xref: /linux/tools/power/x86/turbostat/turbostat.c (revision 48f7ab21f731f5a02ec34a4b83ae88c4a41d6a10)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * turbostat -- show CPU frequency and C-state residency
4  * on modern Intel and AMD processors.
5  *
6  * Copyright (c) 2023 Intel Corporation.
7  * Len Brown <len.brown@intel.com>
8  */
9 
10 #define _GNU_SOURCE
11 #include MSRHEADER
12 #include INTEL_FAMILY_HEADER
13 #include <stdarg.h>
14 #include <stdio.h>
15 #include <err.h>
16 #include <unistd.h>
17 #include <sys/types.h>
18 #include <sys/wait.h>
19 #include <sys/stat.h>
20 #include <sys/select.h>
21 #include <sys/resource.h>
22 #include <fcntl.h>
23 #include <signal.h>
24 #include <sys/time.h>
25 #include <stdlib.h>
26 #include <getopt.h>
27 #include <dirent.h>
28 #include <string.h>
29 #include <ctype.h>
30 #include <sched.h>
31 #include <time.h>
32 #include <cpuid.h>
33 #include <sys/capability.h>
34 #include <errno.h>
35 #include <math.h>
36 #include <linux/perf_event.h>
37 #include <asm/unistd.h>
38 #include <stdbool.h>
39 
40 #define UNUSED(x) (void)(x)
41 
42 /*
43  * This list matches the column headers, except
44  * 1. built-in only, the sysfs counters are not here -- we learn of those at run-time
45  * 2. Core and CPU are moved to the end, we can't have strings that contain them
46  *    matching on them for --show and --hide.
47  */
48 
49 /*
50  * buffer size used by sscanf() for added column names
51  * Usually truncated to 7 characters, but also handles 18 columns for raw 64-bit counters
52  */
53 #define	NAME_BYTES 20
54 #define PATH_BYTES 128
55 
56 enum counter_scope { SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE };
57 enum counter_type { COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC };
58 enum counter_format { FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT };
59 
60 struct msr_counter {
61 	unsigned int msr_num;
62 	char name[NAME_BYTES];
63 	char path[PATH_BYTES];
64 	unsigned int width;
65 	enum counter_type type;
66 	enum counter_format format;
67 	struct msr_counter *next;
68 	unsigned int flags;
69 #define	FLAGS_HIDE	(1 << 0)
70 #define	FLAGS_SHOW	(1 << 1)
71 #define	SYSFS_PERCPU	(1 << 1)
72 };
73 
74 struct msr_counter bic[] = {
75 	{ 0x0, "usec", "", 0, 0, 0, NULL, 0 },
76 	{ 0x0, "Time_Of_Day_Seconds", "", 0, 0, 0, NULL, 0 },
77 	{ 0x0, "Package", "", 0, 0, 0, NULL, 0 },
78 	{ 0x0, "Node", "", 0, 0, 0, NULL, 0 },
79 	{ 0x0, "Avg_MHz", "", 0, 0, 0, NULL, 0 },
80 	{ 0x0, "Busy%", "", 0, 0, 0, NULL, 0 },
81 	{ 0x0, "Bzy_MHz", "", 0, 0, 0, NULL, 0 },
82 	{ 0x0, "TSC_MHz", "", 0, 0, 0, NULL, 0 },
83 	{ 0x0, "IRQ", "", 0, 0, 0, NULL, 0 },
84 	{ 0x0, "SMI", "", 32, 0, FORMAT_DELTA, NULL, 0 },
85 	{ 0x0, "sysfs", "", 0, 0, 0, NULL, 0 },
86 	{ 0x0, "CPU%c1", "", 0, 0, 0, NULL, 0 },
87 	{ 0x0, "CPU%c3", "", 0, 0, 0, NULL, 0 },
88 	{ 0x0, "CPU%c6", "", 0, 0, 0, NULL, 0 },
89 	{ 0x0, "CPU%c7", "", 0, 0, 0, NULL, 0 },
90 	{ 0x0, "ThreadC", "", 0, 0, 0, NULL, 0 },
91 	{ 0x0, "CoreTmp", "", 0, 0, 0, NULL, 0 },
92 	{ 0x0, "CoreCnt", "", 0, 0, 0, NULL, 0 },
93 	{ 0x0, "PkgTmp", "", 0, 0, 0, NULL, 0 },
94 	{ 0x0, "GFX%rc6", "", 0, 0, 0, NULL, 0 },
95 	{ 0x0, "GFXMHz", "", 0, 0, 0, NULL, 0 },
96 	{ 0x0, "Pkg%pc2", "", 0, 0, 0, NULL, 0 },
97 	{ 0x0, "Pkg%pc3", "", 0, 0, 0, NULL, 0 },
98 	{ 0x0, "Pkg%pc6", "", 0, 0, 0, NULL, 0 },
99 	{ 0x0, "Pkg%pc7", "", 0, 0, 0, NULL, 0 },
100 	{ 0x0, "Pkg%pc8", "", 0, 0, 0, NULL, 0 },
101 	{ 0x0, "Pkg%pc9", "", 0, 0, 0, NULL, 0 },
102 	{ 0x0, "Pk%pc10", "", 0, 0, 0, NULL, 0 },
103 	{ 0x0, "CPU%LPI", "", 0, 0, 0, NULL, 0 },
104 	{ 0x0, "SYS%LPI", "", 0, 0, 0, NULL, 0 },
105 	{ 0x0, "PkgWatt", "", 0, 0, 0, NULL, 0 },
106 	{ 0x0, "CorWatt", "", 0, 0, 0, NULL, 0 },
107 	{ 0x0, "GFXWatt", "", 0, 0, 0, NULL, 0 },
108 	{ 0x0, "PkgCnt", "", 0, 0, 0, NULL, 0 },
109 	{ 0x0, "RAMWatt", "", 0, 0, 0, NULL, 0 },
110 	{ 0x0, "PKG_%", "", 0, 0, 0, NULL, 0 },
111 	{ 0x0, "RAM_%", "", 0, 0, 0, NULL, 0 },
112 	{ 0x0, "Pkg_J", "", 0, 0, 0, NULL, 0 },
113 	{ 0x0, "Cor_J", "", 0, 0, 0, NULL, 0 },
114 	{ 0x0, "GFX_J", "", 0, 0, 0, NULL, 0 },
115 	{ 0x0, "RAM_J", "", 0, 0, 0, NULL, 0 },
116 	{ 0x0, "Mod%c6", "", 0, 0, 0, NULL, 0 },
117 	{ 0x0, "Totl%C0", "", 0, 0, 0, NULL, 0 },
118 	{ 0x0, "Any%C0", "", 0, 0, 0, NULL, 0 },
119 	{ 0x0, "GFX%C0", "", 0, 0, 0, NULL, 0 },
120 	{ 0x0, "CPUGFX%", "", 0, 0, 0, NULL, 0 },
121 	{ 0x0, "Core", "", 0, 0, 0, NULL, 0 },
122 	{ 0x0, "CPU", "", 0, 0, 0, NULL, 0 },
123 	{ 0x0, "APIC", "", 0, 0, 0, NULL, 0 },
124 	{ 0x0, "X2APIC", "", 0, 0, 0, NULL, 0 },
125 	{ 0x0, "Die", "", 0, 0, 0, NULL, 0 },
126 	{ 0x0, "GFXAMHz", "", 0, 0, 0, NULL, 0 },
127 	{ 0x0, "IPC", "", 0, 0, 0, NULL, 0 },
128 	{ 0x0, "CoreThr", "", 0, 0, 0, NULL, 0 },
129 	{ 0x0, "UncMHz", "", 0, 0, 0, NULL, 0 },
130 };
131 
132 #define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter))
133 #define	BIC_USEC	(1ULL << 0)
134 #define	BIC_TOD		(1ULL << 1)
135 #define	BIC_Package	(1ULL << 2)
136 #define	BIC_Node	(1ULL << 3)
137 #define	BIC_Avg_MHz	(1ULL << 4)
138 #define	BIC_Busy	(1ULL << 5)
139 #define	BIC_Bzy_MHz	(1ULL << 6)
140 #define	BIC_TSC_MHz	(1ULL << 7)
141 #define	BIC_IRQ		(1ULL << 8)
142 #define	BIC_SMI		(1ULL << 9)
143 #define	BIC_sysfs	(1ULL << 10)
144 #define	BIC_CPU_c1	(1ULL << 11)
145 #define	BIC_CPU_c3	(1ULL << 12)
146 #define	BIC_CPU_c6	(1ULL << 13)
147 #define	BIC_CPU_c7	(1ULL << 14)
148 #define	BIC_ThreadC	(1ULL << 15)
149 #define	BIC_CoreTmp	(1ULL << 16)
150 #define	BIC_CoreCnt	(1ULL << 17)
151 #define	BIC_PkgTmp	(1ULL << 18)
152 #define	BIC_GFX_rc6	(1ULL << 19)
153 #define	BIC_GFXMHz	(1ULL << 20)
154 #define	BIC_Pkgpc2	(1ULL << 21)
155 #define	BIC_Pkgpc3	(1ULL << 22)
156 #define	BIC_Pkgpc6	(1ULL << 23)
157 #define	BIC_Pkgpc7	(1ULL << 24)
158 #define	BIC_Pkgpc8	(1ULL << 25)
159 #define	BIC_Pkgpc9	(1ULL << 26)
160 #define	BIC_Pkgpc10	(1ULL << 27)
161 #define BIC_CPU_LPI	(1ULL << 28)
162 #define BIC_SYS_LPI	(1ULL << 29)
163 #define	BIC_PkgWatt	(1ULL << 30)
164 #define	BIC_CorWatt	(1ULL << 31)
165 #define	BIC_GFXWatt	(1ULL << 32)
166 #define	BIC_PkgCnt	(1ULL << 33)
167 #define	BIC_RAMWatt	(1ULL << 34)
168 #define	BIC_PKG__	(1ULL << 35)
169 #define	BIC_RAM__	(1ULL << 36)
170 #define	BIC_Pkg_J	(1ULL << 37)
171 #define	BIC_Cor_J	(1ULL << 38)
172 #define	BIC_GFX_J	(1ULL << 39)
173 #define	BIC_RAM_J	(1ULL << 40)
174 #define	BIC_Mod_c6	(1ULL << 41)
175 #define	BIC_Totl_c0	(1ULL << 42)
176 #define	BIC_Any_c0	(1ULL << 43)
177 #define	BIC_GFX_c0	(1ULL << 44)
178 #define	BIC_CPUGFX	(1ULL << 45)
179 #define	BIC_Core	(1ULL << 46)
180 #define	BIC_CPU		(1ULL << 47)
181 #define	BIC_APIC	(1ULL << 48)
182 #define	BIC_X2APIC	(1ULL << 49)
183 #define	BIC_Die		(1ULL << 50)
184 #define	BIC_GFXACTMHz	(1ULL << 51)
185 #define	BIC_IPC		(1ULL << 52)
186 #define	BIC_CORE_THROT_CNT	(1ULL << 53)
187 #define	BIC_UNCORE_MHZ		(1ULL << 54)
188 
189 #define BIC_TOPOLOGY (BIC_Package | BIC_Node | BIC_CoreCnt | BIC_PkgCnt | BIC_Core | BIC_CPU | BIC_Die )
190 #define BIC_THERMAL_PWR ( BIC_CoreTmp | BIC_PkgTmp | BIC_PkgWatt | BIC_CorWatt | BIC_GFXWatt | BIC_RAMWatt | BIC_PKG__ | BIC_RAM__)
191 #define BIC_FREQUENCY ( BIC_Avg_MHz | BIC_Busy | BIC_Bzy_MHz | BIC_TSC_MHz | BIC_GFXMHz | BIC_GFXACTMHz | BIC_UNCORE_MHZ)
192 #define BIC_IDLE ( BIC_sysfs | BIC_CPU_c1 | BIC_CPU_c3 | BIC_CPU_c6 | BIC_CPU_c7 | BIC_GFX_rc6 | BIC_Pkgpc2 | BIC_Pkgpc3 | BIC_Pkgpc6 | BIC_Pkgpc7 | BIC_Pkgpc8 | BIC_Pkgpc9 | BIC_Pkgpc10 | BIC_CPU_LPI | BIC_SYS_LPI | BIC_Mod_c6 | BIC_Totl_c0 | BIC_Any_c0 | BIC_GFX_c0 | BIC_CPUGFX)
193 #define BIC_OTHER ( BIC_IRQ | BIC_SMI | BIC_ThreadC | BIC_CoreTmp | BIC_IPC)
194 
195 #define BIC_DISABLED_BY_DEFAULT	(BIC_USEC | BIC_TOD | BIC_APIC | BIC_X2APIC)
196 
197 unsigned long long bic_enabled = (0xFFFFFFFFFFFFFFFFULL & ~BIC_DISABLED_BY_DEFAULT);
198 unsigned long long bic_present = BIC_USEC | BIC_TOD | BIC_sysfs | BIC_APIC | BIC_X2APIC;
199 
200 #define DO_BIC(COUNTER_NAME) (bic_enabled & bic_present & COUNTER_NAME)
201 #define DO_BIC_READ(COUNTER_NAME) (bic_present & COUNTER_NAME)
202 #define ENABLE_BIC(COUNTER_NAME) (bic_enabled |= COUNTER_NAME)
203 #define BIC_PRESENT(COUNTER_BIT) (bic_present |= COUNTER_BIT)
204 #define BIC_NOT_PRESENT(COUNTER_BIT) (bic_present &= ~COUNTER_BIT)
205 #define BIC_IS_ENABLED(COUNTER_BIT) (bic_enabled & COUNTER_BIT)
206 
207 char *proc_stat = "/proc/stat";
208 FILE *outf;
209 int *fd_percpu;
210 int *fd_instr_count_percpu;
211 struct timeval interval_tv = { 5, 0 };
212 struct timespec interval_ts = { 5, 0 };
213 
214 unsigned int num_iterations;
215 unsigned int header_iterations;
216 unsigned int debug;
217 unsigned int quiet;
218 unsigned int shown;
219 unsigned int sums_need_wide_columns;
220 unsigned int rapl_joules;
221 unsigned int summary_only;
222 unsigned int list_header_only;
223 unsigned int dump_only;
224 unsigned int has_aperf;
225 unsigned int has_epb;
226 unsigned int has_turbo;
227 unsigned int is_hybrid;
228 unsigned int units = 1000000;	/* MHz etc */
229 unsigned int genuine_intel;
230 unsigned int authentic_amd;
231 unsigned int hygon_genuine;
232 unsigned int max_level, max_extended_level;
233 unsigned int has_invariant_tsc;
234 unsigned int aperf_mperf_multiplier = 1;
235 double bclk;
236 double base_hz;
237 unsigned int has_base_hz;
238 double tsc_tweak = 1.0;
239 unsigned int show_pkg_only;
240 unsigned int show_core_only;
241 char *output_buffer, *outp;
242 unsigned int do_dts;
243 unsigned int do_ptm;
244 unsigned int do_ipc;
245 unsigned long long gfx_cur_rc6_ms;
246 unsigned long long cpuidle_cur_cpu_lpi_us;
247 unsigned long long cpuidle_cur_sys_lpi_us;
248 unsigned int gfx_cur_mhz;
249 unsigned int gfx_act_mhz;
250 unsigned int tj_max;
251 unsigned int tj_max_override;
252 double rapl_power_units, rapl_time_units;
253 double rapl_dram_energy_units, rapl_energy_units;
254 double rapl_joule_counter_range;
255 unsigned int crystal_hz;
256 unsigned long long tsc_hz;
257 int base_cpu;
258 unsigned int has_hwp;		/* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */
259 			/* IA32_HWP_REQUEST, IA32_HWP_STATUS */
260 unsigned int has_hwp_notify;	/* IA32_HWP_INTERRUPT */
261 unsigned int has_hwp_activity_window;	/* IA32_HWP_REQUEST[bits 41:32] */
262 unsigned int has_hwp_epp;	/* IA32_HWP_REQUEST[bits 31:24] */
263 unsigned int has_hwp_pkg;	/* IA32_HWP_REQUEST_PKG */
264 unsigned int first_counter_read = 1;
265 int ignore_stdin;
266 
267 int get_msr(int cpu, off_t offset, unsigned long long *msr);
268 
269 /* Model specific support Start */
270 
271 /* List of features that may diverge among different platforms */
272 struct platform_features {
273 	bool has_msr_misc_feature_control;	/* MSR_MISC_FEATURE_CONTROL */
274 	bool has_msr_misc_pwr_mgmt;	/* MSR_MISC_PWR_MGMT */
275 	bool has_nhm_msrs;	/* MSR_PLATFORM_INFO, MSR_IA32_TEMPERATURE_TARGET, MSR_SMI_COUNT, MSR_PKG_CST_CONFIG_CONTROL, MSR_IA32_POWER_CTL, TRL MSRs */
276 	bool has_config_tdp;	/* MSR_CONFIG_TDP_NOMINAL/LEVEL_1/LEVEL_2/CONTROL, MSR_TURBO_ACTIVATION_RATIO */
277 	int bclk_freq;		/* CPU base clock */
278 	int crystal_freq;	/* Crystal clock to use when not available from CPUID.15 */
279 	int supported_cstates;	/* Core cstates and Package cstates supported */
280 	int cst_limit;		/* MSR_PKG_CST_CONFIG_CONTROL */
281 	bool has_cst_auto_convension;	/* AUTOMATIC_CSTATE_CONVERSION bit in MSR_PKG_CST_CONFIG_CONTROL */
282 	bool has_irtl_msrs;	/* MSR_PKGC3/PKGC6/PKGC7/PKGC8/PKGC9/PKGC10_IRTL */
283 	bool has_msr_core_c1_res;	/* MSR_CORE_C1_RES */
284 	bool has_msr_module_c6_res_ms;	/* MSR_MODULE_C6_RES_MS */
285 	bool has_msr_c6_demotion_policy_config;	/* MSR_CC6_DEMOTION_POLICY_CONFIG/MSR_MC6_DEMOTION_POLICY_CONFIG */
286 	bool has_msr_atom_pkg_c6_residency;	/* MSR_ATOM_PKG_C6_RESIDENCY */
287 	bool has_msr_knl_core_c6_residency;	/* MSR_KNL_CORE_C6_RESIDENCY */
288 	bool has_ext_cst_msrs;	/* MSR_PKG_WEIGHTED_CORE_C0_RES/MSR_PKG_ANY_CORE_C0_RES/MSR_PKG_ANY_GFXE_C0_RES/MSR_PKG_BOTH_CORE_GFXE_C0_RES */
289 	bool has_cst_prewake_bit;	/* Cstate prewake bit in MSR_IA32_POWER_CTL */
290 	int trl_msrs;		/* MSR_TURBO_RATIO_LIMIT/LIMIT1/LIMIT2/SECONDARY, Atom TRL MSRs */
291 	int plr_msrs;		/* MSR_CORE/GFX/RING_PERF_LIMIT_REASONS */
292 	int rapl_msrs;		/* RAPL PKG/DRAM/CORE/GFX MSRs, AMD RAPL MSRs */
293 	bool has_per_core_rapl;	/* Indicates cores energy collection is per-core, not per-package. AMD specific for now */
294 	bool has_rapl_divisor;	/* Divisor for Energy unit raw value from MSR_RAPL_POWER_UNIT */
295 	bool has_fixed_rapl_unit;	/* Fixed Energy Unit used for DRAM RAPL Domain */
296 	int rapl_quirk_tdp;	/* Hardcoded TDP value when cannot be retrieved from hardware */
297 	int tcc_offset_bits;	/* TCC Offset bits in MSR_IA32_TEMPERATURE_TARGET */
298 	bool enable_tsc_tweak;	/* Use CPU Base freq instead of TSC freq for aperf/mperf counter */
299 	bool need_perf_multiplier;	/* mperf/aperf multiplier */
300 };
301 
302 struct platform_data {
303 	unsigned int model;
304 	const struct platform_features *features;
305 };
306 
307 /* For BCLK */
308 enum bclk_freq {
309 	BCLK_100MHZ = 1,
310 	BCLK_133MHZ,
311 	BCLK_SLV,
312 };
313 
314 #define SLM_BCLK_FREQS 5
315 double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0 };
316 
317 double slm_bclk(void)
318 {
319 	unsigned long long msr = 3;
320 	unsigned int i;
321 	double freq;
322 
323 	if (get_msr(base_cpu, MSR_FSB_FREQ, &msr))
324 		fprintf(outf, "SLM BCLK: unknown\n");
325 
326 	i = msr & 0xf;
327 	if (i >= SLM_BCLK_FREQS) {
328 		fprintf(outf, "SLM BCLK[%d] invalid\n", i);
329 		i = 3;
330 	}
331 	freq = slm_freq_table[i];
332 
333 	if (!quiet)
334 		fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq);
335 
336 	return freq;
337 }
338 
339 /* For Package cstate limit */
340 enum package_cstate_limit {
341 	CST_LIMIT_NHM = 1,
342 	CST_LIMIT_SNB,
343 	CST_LIMIT_HSW,
344 	CST_LIMIT_SKX,
345 	CST_LIMIT_ICX,
346 	CST_LIMIT_SLV,
347 	CST_LIMIT_AMT,
348 	CST_LIMIT_KNL,
349 	CST_LIMIT_GMT,
350 };
351 
352 /* For Turbo Ratio Limit MSRs */
353 enum turbo_ratio_limit_msrs {
354 	TRL_BASE = BIT(0),
355 	TRL_LIMIT1 = BIT(1),
356 	TRL_LIMIT2 = BIT(2),
357 	TRL_ATOM = BIT(3),
358 	TRL_KNL = BIT(4),
359 	TRL_CORECOUNT = BIT(5),
360 };
361 
362 /* For Perf Limit Reason MSRs */
363 enum perf_limit_reason_msrs {
364 	PLR_CORE = BIT(0),
365 	PLR_GFX = BIT(1),
366 	PLR_RING = BIT(2),
367 };
368 
369 /* For RAPL MSRs */
370 enum rapl_msrs {
371 	RAPL_PKG_POWER_LIMIT = BIT(0),	/* 0x610 MSR_PKG_POWER_LIMIT */
372 	RAPL_PKG_ENERGY_STATUS = BIT(1),	/* 0x611 MSR_PKG_ENERGY_STATUS */
373 	RAPL_PKG_PERF_STATUS = BIT(2),	/* 0x613 MSR_PKG_PERF_STATUS */
374 	RAPL_PKG_POWER_INFO = BIT(3),	/* 0x614 MSR_PKG_POWER_INFO */
375 	RAPL_DRAM_POWER_LIMIT = BIT(4),	/* 0x618 MSR_DRAM_POWER_LIMIT */
376 	RAPL_DRAM_ENERGY_STATUS = BIT(5),	/* 0x619 MSR_DRAM_ENERGY_STATUS */
377 	RAPL_DRAM_PERF_STATUS = BIT(6),	/* 0x61b MSR_DRAM_PERF_STATUS */
378 	RAPL_DRAM_POWER_INFO = BIT(7),	/* 0x61c MSR_DRAM_POWER_INFO */
379 	RAPL_CORE_POWER_LIMIT = BIT(8),	/* 0x638 MSR_PP0_POWER_LIMIT */
380 	RAPL_CORE_ENERGY_STATUS = BIT(9),	/* 0x639 MSR_PP0_ENERGY_STATUS */
381 	RAPL_CORE_POLICY = BIT(10),	/* 0x63a MSR_PP0_POLICY */
382 	RAPL_GFX_POWER_LIMIT = BIT(11),	/* 0x640 MSR_PP1_POWER_LIMIT */
383 	RAPL_GFX_ENERGY_STATUS = BIT(12),	/* 0x641 MSR_PP1_ENERGY_STATUS */
384 	RAPL_GFX_POLICY = BIT(13),	/* 0x642 MSR_PP1_POLICY */
385 	RAPL_AMD_PWR_UNIT = BIT(14),	/* 0xc0010299 MSR_AMD_RAPL_POWER_UNIT */
386 	RAPL_AMD_CORE_ENERGY_STAT = BIT(15),	/* 0xc001029a MSR_AMD_CORE_ENERGY_STATUS */
387 	RAPL_AMD_PKG_ENERGY_STAT = BIT(16),	/* 0xc001029b MSR_AMD_PKG_ENERGY_STATUS */
388 };
389 
390 #define RAPL_PKG	(RAPL_PKG_ENERGY_STATUS | RAPL_PKG_POWER_LIMIT)
391 #define RAPL_DRAM	(RAPL_DRAM_ENERGY_STATUS | RAPL_DRAM_POWER_LIMIT)
392 #define RAPL_CORE	(RAPL_CORE_ENERGY_STATUS | RAPL_CORE_POWER_LIMIT)
393 #define RAPL_GFX	(RAPL_GFX_POWER_LIMIT | RAPL_GFX_ENERGY_STATUS)
394 
395 #define RAPL_PKG_ALL	(RAPL_PKG | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO)
396 #define RAPL_DRAM_ALL	(RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_DRAM_POWER_INFO)
397 #define RAPL_CORE_ALL	(RAPL_CORE | RAPL_CORE_POLICY)
398 #define RAPL_GFX_ALL	(RAPL_GFX | RAPL_GFX_POLIGY)
399 
400 #define RAPL_AMD_F17H	(RAPL_AMD_PWR_UNIT | RAPL_AMD_CORE_ENERGY_STAT | RAPL_AMD_PKG_ENERGY_STAT)
401 
402 /* For Cstates */
403 enum cstates {
404 	CC1 = BIT(0),
405 	CC3 = BIT(1),
406 	CC6 = BIT(2),
407 	CC7 = BIT(3),
408 	PC2 = BIT(4),
409 	PC3 = BIT(5),
410 	PC6 = BIT(6),
411 	PC7 = BIT(7),
412 	PC8 = BIT(8),
413 	PC9 = BIT(9),
414 	PC10 = BIT(10),
415 };
416 
417 static const struct platform_features nhm_features = {
418 	.has_msr_misc_pwr_mgmt = 1,
419 	.has_nhm_msrs = 1,
420 	.bclk_freq = BCLK_133MHZ,
421 	.supported_cstates = CC1 | CC3 | CC6 | PC3 | PC6,
422 	.cst_limit = CST_LIMIT_NHM,
423 	.trl_msrs = TRL_BASE,
424 };
425 
426 static const struct platform_features nhx_features = {
427 	.has_msr_misc_pwr_mgmt = 1,
428 	.has_nhm_msrs = 1,
429 	.bclk_freq = BCLK_133MHZ,
430 	.supported_cstates = CC1 | CC3 | CC6 | PC3 | PC6,
431 	.cst_limit = CST_LIMIT_NHM,
432 };
433 
434 static const struct platform_features snb_features = {
435 	.has_msr_misc_feature_control = 1,
436 	.has_msr_misc_pwr_mgmt = 1,
437 	.has_nhm_msrs = 1,
438 	.bclk_freq = BCLK_100MHZ,
439 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7,
440 	.cst_limit = CST_LIMIT_SNB,
441 	.has_irtl_msrs = 1,
442 	.trl_msrs = TRL_BASE,
443 	.rapl_msrs = RAPL_PKG | RAPL_CORE_ALL | RAPL_GFX | RAPL_PKG_POWER_INFO,
444 };
445 
446 static const struct platform_features snx_features = {
447 	.has_msr_misc_feature_control = 1,
448 	.has_msr_misc_pwr_mgmt = 1,
449 	.has_nhm_msrs = 1,
450 	.bclk_freq = BCLK_100MHZ,
451 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7,
452 	.cst_limit = CST_LIMIT_SNB,
453 	.has_irtl_msrs = 1,
454 	.trl_msrs = TRL_BASE,
455 	.rapl_msrs = RAPL_PKG_ALL | RAPL_CORE_ALL | RAPL_DRAM_ALL,
456 };
457 
458 static const struct platform_features ivb_features = {
459 	.has_msr_misc_feature_control = 1,
460 	.has_msr_misc_pwr_mgmt = 1,
461 	.has_nhm_msrs = 1,
462 	.has_config_tdp = 1,
463 	.bclk_freq = BCLK_100MHZ,
464 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7,
465 	.cst_limit = CST_LIMIT_SNB,
466 	.has_irtl_msrs = 1,
467 	.trl_msrs = TRL_BASE,
468 	.rapl_msrs = RAPL_PKG | RAPL_CORE_ALL | RAPL_GFX | RAPL_PKG_POWER_INFO,
469 };
470 
471 static const struct platform_features ivx_features = {
472 	.has_msr_misc_feature_control = 1,
473 	.has_msr_misc_pwr_mgmt = 1,
474 	.has_nhm_msrs = 1,
475 	.bclk_freq = BCLK_100MHZ,
476 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7,
477 	.cst_limit = CST_LIMIT_SNB,
478 	.has_irtl_msrs = 1,
479 	.trl_msrs = TRL_BASE | TRL_LIMIT1,
480 	.rapl_msrs = RAPL_PKG_ALL | RAPL_CORE_ALL | RAPL_DRAM_ALL,
481 };
482 
483 static const struct platform_features hsw_features = {
484 	.has_msr_misc_feature_control = 1,
485 	.has_msr_misc_pwr_mgmt = 1,
486 	.has_nhm_msrs = 1,
487 	.has_config_tdp = 1,
488 	.bclk_freq = BCLK_100MHZ,
489 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7,
490 	.cst_limit = CST_LIMIT_HSW,
491 	.has_irtl_msrs = 1,
492 	.trl_msrs = TRL_BASE,
493 	.plr_msrs = PLR_CORE | PLR_GFX | PLR_RING,
494 	.rapl_msrs = RAPL_PKG | RAPL_CORE_ALL | RAPL_GFX | RAPL_PKG_POWER_INFO,
495 };
496 
497 static const struct platform_features hsx_features = {
498 	.has_msr_misc_feature_control = 1,
499 	.has_msr_misc_pwr_mgmt = 1,
500 	.has_nhm_msrs = 1,
501 	.has_config_tdp = 1,
502 	.bclk_freq = BCLK_100MHZ,
503 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7,
504 	.cst_limit = CST_LIMIT_HSW,
505 	.has_irtl_msrs = 1,
506 	.trl_msrs = TRL_BASE | TRL_LIMIT1 | TRL_LIMIT2,
507 	.plr_msrs = PLR_CORE | PLR_RING,
508 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL,
509 	.has_fixed_rapl_unit = 1,
510 };
511 
512 static const struct platform_features hswl_features = {
513 	.has_msr_misc_feature_control = 1,
514 	.has_msr_misc_pwr_mgmt = 1,
515 	.has_nhm_msrs = 1,
516 	.has_config_tdp = 1,
517 	.bclk_freq = BCLK_100MHZ,
518 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
519 	.cst_limit = CST_LIMIT_HSW,
520 	.has_irtl_msrs = 1,
521 	.trl_msrs = TRL_BASE,
522 	.plr_msrs = PLR_CORE | PLR_GFX | PLR_RING,
523 	.rapl_msrs = RAPL_PKG | RAPL_CORE_ALL | RAPL_GFX | RAPL_PKG_POWER_INFO,
524 };
525 
526 static const struct platform_features hswg_features = {
527 	.has_msr_misc_feature_control = 1,
528 	.has_msr_misc_pwr_mgmt = 1,
529 	.has_nhm_msrs = 1,
530 	.has_config_tdp = 1,
531 	.bclk_freq = BCLK_100MHZ,
532 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7,
533 	.cst_limit = CST_LIMIT_HSW,
534 	.has_irtl_msrs = 1,
535 	.trl_msrs = TRL_BASE,
536 	.plr_msrs = PLR_CORE | PLR_GFX | PLR_RING,
537 	.rapl_msrs = RAPL_PKG | RAPL_CORE_ALL | RAPL_GFX | RAPL_PKG_POWER_INFO,
538 };
539 
540 static const struct platform_features bdw_features = {
541 	.has_msr_misc_feature_control = 1,
542 	.has_msr_misc_pwr_mgmt = 1,
543 	.has_nhm_msrs = 1,
544 	.has_config_tdp = 1,
545 	.bclk_freq = BCLK_100MHZ,
546 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
547 	.cst_limit = CST_LIMIT_HSW,
548 	.has_irtl_msrs = 1,
549 	.trl_msrs = TRL_BASE,
550 	.rapl_msrs = RAPL_PKG | RAPL_CORE_ALL | RAPL_GFX | RAPL_PKG_POWER_INFO,
551 };
552 
553 static const struct platform_features bdwg_features = {
554 	.has_msr_misc_feature_control = 1,
555 	.has_msr_misc_pwr_mgmt = 1,
556 	.has_nhm_msrs = 1,
557 	.has_config_tdp = 1,
558 	.bclk_freq = BCLK_100MHZ,
559 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7,
560 	.cst_limit = CST_LIMIT_HSW,
561 	.has_irtl_msrs = 1,
562 	.trl_msrs = TRL_BASE,
563 	.rapl_msrs = RAPL_PKG | RAPL_CORE_ALL | RAPL_GFX | RAPL_PKG_POWER_INFO,
564 };
565 
566 static const struct platform_features bdx_features = {
567 	.has_msr_misc_feature_control = 1,
568 	.has_msr_misc_pwr_mgmt = 1,
569 	.has_nhm_msrs = 1,
570 	.has_config_tdp = 1,
571 	.bclk_freq = BCLK_100MHZ,
572 	.supported_cstates = CC1 | CC3 | CC6 | PC2 | PC3 | PC6,
573 	.cst_limit = CST_LIMIT_HSW,
574 	.has_irtl_msrs = 1,
575 	.has_cst_auto_convension = 1,
576 	.trl_msrs = TRL_BASE,
577 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL,
578 	.has_fixed_rapl_unit = 1,
579 };
580 
581 static const struct platform_features skl_features = {
582 	.has_msr_misc_feature_control = 1,
583 	.has_msr_misc_pwr_mgmt = 1,
584 	.has_nhm_msrs = 1,
585 	.has_config_tdp = 1,
586 	.bclk_freq = BCLK_100MHZ,
587 	.crystal_freq = 24000000,
588 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
589 	.cst_limit = CST_LIMIT_HSW,
590 	.has_irtl_msrs = 1,
591 	.has_ext_cst_msrs = 1,
592 	.trl_msrs = TRL_BASE,
593 	.tcc_offset_bits = 6,
594 	.rapl_msrs = RAPL_PKG_ALL | RAPL_CORE_ALL | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_GFX,
595 	.enable_tsc_tweak = 1,
596 };
597 
598 static const struct platform_features cnl_features = {
599 	.has_msr_misc_feature_control = 1,
600 	.has_msr_misc_pwr_mgmt = 1,
601 	.has_nhm_msrs = 1,
602 	.has_config_tdp = 1,
603 	.bclk_freq = BCLK_100MHZ,
604 	.supported_cstates = CC1 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
605 	.cst_limit = CST_LIMIT_HSW,
606 	.has_irtl_msrs = 1,
607 	.has_msr_core_c1_res = 1,
608 	.has_ext_cst_msrs = 1,
609 	.trl_msrs = TRL_BASE,
610 	.tcc_offset_bits = 6,
611 	.rapl_msrs = RAPL_PKG_ALL | RAPL_CORE_ALL | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_GFX,
612 	.enable_tsc_tweak = 1,
613 };
614 
615 static const struct platform_features adl_features = {
616 	.has_msr_misc_feature_control = 1,
617 	.has_msr_misc_pwr_mgmt = 1,
618 	.has_nhm_msrs = 1,
619 	.has_config_tdp = 1,
620 	.bclk_freq = BCLK_100MHZ,
621 	.supported_cstates = CC1 | CC6 | CC7 | PC2 | PC3 | PC6 | PC8 | PC10,
622 	.cst_limit = CST_LIMIT_HSW,
623 	.has_irtl_msrs = 1,
624 	.has_msr_core_c1_res = 1,
625 	.has_ext_cst_msrs = 1,
626 	.trl_msrs = TRL_BASE,
627 	.tcc_offset_bits = 6,
628 	.rapl_msrs = RAPL_PKG_ALL | RAPL_CORE_ALL | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_GFX,
629 	.enable_tsc_tweak = 1,
630 };
631 
632 static const struct platform_features skx_features = {
633 	.has_msr_misc_feature_control = 1,
634 	.has_msr_misc_pwr_mgmt = 1,
635 	.has_nhm_msrs = 1,
636 	.has_config_tdp = 1,
637 	.bclk_freq = BCLK_100MHZ,
638 	.supported_cstates = CC1 | CC6 | PC2 | PC6,
639 	.cst_limit = CST_LIMIT_SKX,
640 	.has_irtl_msrs = 1,
641 	.has_cst_auto_convension = 1,
642 	.trl_msrs = TRL_BASE | TRL_CORECOUNT,
643 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL,
644 	.has_fixed_rapl_unit = 1,
645 };
646 
647 static const struct platform_features icx_features = {
648 	.has_msr_misc_feature_control = 1,
649 	.has_msr_misc_pwr_mgmt = 1,
650 	.has_nhm_msrs = 1,
651 	.has_config_tdp = 1,
652 	.bclk_freq = BCLK_100MHZ,
653 	.supported_cstates = CC1 | CC6 | PC2 | PC6,
654 	.cst_limit = CST_LIMIT_ICX,
655 	.has_irtl_msrs = 1,
656 	.has_cst_prewake_bit = 1,
657 	.trl_msrs = TRL_BASE | TRL_CORECOUNT,
658 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL,
659 	.has_fixed_rapl_unit = 1,
660 };
661 
662 static const struct platform_features spr_features = {
663 	.has_msr_misc_feature_control = 1,
664 	.has_msr_misc_pwr_mgmt = 1,
665 	.has_nhm_msrs = 1,
666 	.has_config_tdp = 1,
667 	.bclk_freq = BCLK_100MHZ,
668 	.supported_cstates = CC1 | CC6 | PC2 | PC6,
669 	.cst_limit = CST_LIMIT_SKX,
670 	.has_msr_core_c1_res = 1,
671 	.has_irtl_msrs = 1,
672 	.has_cst_prewake_bit = 1,
673 	.trl_msrs = TRL_BASE | TRL_CORECOUNT,
674 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL,
675 };
676 
677 static const struct platform_features srf_features = {
678 	.has_msr_misc_feature_control = 1,
679 	.has_msr_misc_pwr_mgmt = 1,
680 	.has_nhm_msrs = 1,
681 	.has_config_tdp = 1,
682 	.bclk_freq = BCLK_100MHZ,
683 	.supported_cstates = CC1 | CC6 | PC2 | PC6,
684 	.cst_limit = CST_LIMIT_SKX,
685 	.has_msr_core_c1_res = 1,
686 	.has_msr_module_c6_res_ms = 1,
687 	.has_irtl_msrs = 1,
688 	.has_cst_prewake_bit = 1,
689 	.trl_msrs = TRL_BASE | TRL_CORECOUNT,
690 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL,
691 };
692 
693 static const struct platform_features grr_features = {
694 	.has_msr_misc_feature_control = 1,
695 	.has_msr_misc_pwr_mgmt = 1,
696 	.has_nhm_msrs = 1,
697 	.has_config_tdp = 1,
698 	.bclk_freq = BCLK_100MHZ,
699 	.supported_cstates = CC1 | CC6,
700 	.cst_limit = CST_LIMIT_SKX,
701 	.has_msr_core_c1_res = 1,
702 	.has_msr_module_c6_res_ms = 1,
703 	.has_irtl_msrs = 1,
704 	.has_cst_prewake_bit = 1,
705 	.trl_msrs = TRL_BASE | TRL_CORECOUNT,
706 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL,
707 };
708 
709 static const struct platform_features slv_features = {
710 	.has_nhm_msrs = 1,
711 	.bclk_freq = BCLK_SLV,
712 	.supported_cstates = CC1 | CC6 | PC6,
713 	.cst_limit = CST_LIMIT_SLV,
714 	.has_msr_core_c1_res = 1,
715 	.has_msr_module_c6_res_ms = 1,
716 	.has_msr_c6_demotion_policy_config = 1,
717 	.has_msr_atom_pkg_c6_residency = 1,
718 	.trl_msrs = TRL_ATOM,
719 	.rapl_msrs = RAPL_PKG | RAPL_CORE,
720 	.has_rapl_divisor = 1,
721 	.rapl_quirk_tdp = 30,
722 };
723 
724 static const struct platform_features slvd_features = {
725 	.has_msr_misc_pwr_mgmt = 1,
726 	.has_nhm_msrs = 1,
727 	.bclk_freq = BCLK_SLV,
728 	.supported_cstates = CC1 | CC6 | PC3 | PC6,
729 	.cst_limit = CST_LIMIT_SLV,
730 	.has_msr_atom_pkg_c6_residency = 1,
731 	.trl_msrs = TRL_BASE,
732 	.rapl_msrs = RAPL_PKG | RAPL_CORE,
733 	.rapl_quirk_tdp = 30,
734 };
735 
736 static const struct platform_features amt_features = {
737 	.has_nhm_msrs = 1,
738 	.bclk_freq = BCLK_133MHZ,
739 	.supported_cstates = CC1 | CC3 | CC6 | PC3 | PC6,
740 	.cst_limit = CST_LIMIT_AMT,
741 	.trl_msrs = TRL_BASE,
742 };
743 
744 static const struct platform_features gmt_features = {
745 	.has_msr_misc_pwr_mgmt = 1,
746 	.has_nhm_msrs = 1,
747 	.bclk_freq = BCLK_100MHZ,
748 	.crystal_freq = 19200000,
749 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
750 	.cst_limit = CST_LIMIT_GMT,
751 	.has_irtl_msrs = 1,
752 	.trl_msrs = TRL_BASE | TRL_CORECOUNT,
753 	.rapl_msrs = RAPL_PKG | RAPL_PKG_POWER_INFO,
754 };
755 
756 static const struct platform_features gmtd_features = {
757 	.has_msr_misc_pwr_mgmt = 1,
758 	.has_nhm_msrs = 1,
759 	.bclk_freq = BCLK_100MHZ,
760 	.crystal_freq = 25000000,
761 	.supported_cstates = CC1 | CC6 | PC2 | PC6,
762 	.cst_limit = CST_LIMIT_GMT,
763 	.has_irtl_msrs = 1,
764 	.has_msr_core_c1_res = 1,
765 	.trl_msrs = TRL_BASE | TRL_CORECOUNT,
766 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL | RAPL_CORE_ENERGY_STATUS,
767 };
768 
769 static const struct platform_features gmtp_features = {
770 	.has_msr_misc_pwr_mgmt = 1,
771 	.has_nhm_msrs = 1,
772 	.bclk_freq = BCLK_100MHZ,
773 	.crystal_freq = 19200000,
774 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
775 	.cst_limit = CST_LIMIT_GMT,
776 	.has_irtl_msrs = 1,
777 	.trl_msrs = TRL_BASE,
778 	.rapl_msrs = RAPL_PKG | RAPL_PKG_POWER_INFO,
779 };
780 
781 static const struct platform_features tmt_features = {
782 	.has_msr_misc_pwr_mgmt = 1,
783 	.has_nhm_msrs = 1,
784 	.bclk_freq = BCLK_100MHZ,
785 	.supported_cstates = CC1 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
786 	.cst_limit = CST_LIMIT_GMT,
787 	.has_irtl_msrs = 1,
788 	.trl_msrs = TRL_BASE,
789 	.rapl_msrs = RAPL_PKG_ALL | RAPL_CORE_ALL | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_GFX,
790 	.enable_tsc_tweak = 1,
791 };
792 
793 static const struct platform_features tmtd_features = {
794 	.has_msr_misc_pwr_mgmt = 1,
795 	.has_nhm_msrs = 1,
796 	.bclk_freq = BCLK_100MHZ,
797 	.supported_cstates = CC1 | CC6,
798 	.cst_limit = CST_LIMIT_GMT,
799 	.has_irtl_msrs = 1,
800 	.trl_msrs = TRL_BASE | TRL_CORECOUNT,
801 	.rapl_msrs = RAPL_PKG_ALL,
802 };
803 
804 static const struct platform_features knl_features = {
805 	.has_msr_misc_pwr_mgmt = 1,
806 	.has_nhm_msrs = 1,
807 	.has_config_tdp = 1,
808 	.bclk_freq = BCLK_100MHZ,
809 	.supported_cstates = CC1 | CC6 | PC3 | PC6,
810 	.cst_limit = CST_LIMIT_KNL,
811 	.has_msr_knl_core_c6_residency = 1,
812 	.trl_msrs = TRL_KNL,
813 	.rapl_msrs = RAPL_PKG_ALL | RAPL_DRAM_ALL,
814 	.has_fixed_rapl_unit = 1,
815 	.need_perf_multiplier = 1,
816 };
817 
818 static const struct platform_features default_features = {
819 };
820 
821 static const struct platform_features amd_features_with_rapl = {
822 	.rapl_msrs = RAPL_AMD_F17H,
823 	.has_per_core_rapl = 1,
824 	.rapl_quirk_tdp = 280,	/* This is the max stock TDP of HEDT/Server Fam17h+ chips */
825 };
826 
827 static const struct platform_data turbostat_pdata[] = {
828 	{ INTEL_FAM6_NEHALEM, &nhm_features },
829 	{ INTEL_FAM6_NEHALEM_G, &nhm_features },
830 	{ INTEL_FAM6_NEHALEM_EP, &nhm_features },
831 	{ INTEL_FAM6_NEHALEM_EX, &nhx_features },
832 	{ INTEL_FAM6_WESTMERE, &nhm_features },
833 	{ INTEL_FAM6_WESTMERE_EP, &nhm_features },
834 	{ INTEL_FAM6_WESTMERE_EX, &nhx_features },
835 	{ INTEL_FAM6_SANDYBRIDGE, &snb_features },
836 	{ INTEL_FAM6_SANDYBRIDGE_X, &snx_features },
837 	{ INTEL_FAM6_IVYBRIDGE, &ivb_features },
838 	{ INTEL_FAM6_IVYBRIDGE_X, &ivx_features },
839 	{ INTEL_FAM6_HASWELL, &hsw_features },
840 	{ INTEL_FAM6_HASWELL_X, &hsx_features },
841 	{ INTEL_FAM6_HASWELL_L, &hswl_features },
842 	{ INTEL_FAM6_HASWELL_G, &hswg_features },
843 	{ INTEL_FAM6_BROADWELL, &bdw_features },
844 	{ INTEL_FAM6_BROADWELL_G, &bdwg_features },
845 	{ INTEL_FAM6_BROADWELL_X, &bdx_features },
846 	{ INTEL_FAM6_BROADWELL_D, &bdx_features },
847 	{ INTEL_FAM6_SKYLAKE_L, &skl_features },
848 	{ INTEL_FAM6_SKYLAKE, &skl_features },
849 	{ INTEL_FAM6_SKYLAKE_X, &skx_features },
850 	{ INTEL_FAM6_KABYLAKE_L, &skl_features },
851 	{ INTEL_FAM6_KABYLAKE, &skl_features },
852 	{ INTEL_FAM6_COMETLAKE, &skl_features },
853 	{ INTEL_FAM6_COMETLAKE_L, &skl_features },
854 	{ INTEL_FAM6_CANNONLAKE_L, &cnl_features },
855 	{ INTEL_FAM6_ICELAKE_X, &icx_features },
856 	{ INTEL_FAM6_ICELAKE_D, &icx_features },
857 	{ INTEL_FAM6_ICELAKE_L, &cnl_features },
858 	{ INTEL_FAM6_ICELAKE_NNPI, &cnl_features },
859 	{ INTEL_FAM6_ROCKETLAKE, &cnl_features },
860 	{ INTEL_FAM6_TIGERLAKE_L, &cnl_features },
861 	{ INTEL_FAM6_TIGERLAKE, &cnl_features },
862 	{ INTEL_FAM6_SAPPHIRERAPIDS_X, &spr_features },
863 	{ INTEL_FAM6_EMERALDRAPIDS_X, &spr_features },
864 	{ INTEL_FAM6_GRANITERAPIDS_X, &spr_features },
865 	{ INTEL_FAM6_LAKEFIELD, &cnl_features },
866 	{ INTEL_FAM6_ALDERLAKE, &adl_features },
867 	{ INTEL_FAM6_ALDERLAKE_L, &adl_features },
868 	{ INTEL_FAM6_RAPTORLAKE, &adl_features },
869 	{ INTEL_FAM6_RAPTORLAKE_P, &adl_features },
870 	{ INTEL_FAM6_RAPTORLAKE_S, &adl_features },
871 	{ INTEL_FAM6_METEORLAKE, &cnl_features },
872 	{ INTEL_FAM6_METEORLAKE_L, &cnl_features },
873 	{ INTEL_FAM6_ARROWLAKE, &cnl_features },
874 	{ INTEL_FAM6_LUNARLAKE_M, &cnl_features },
875 	{ INTEL_FAM6_ATOM_SILVERMONT, &slv_features },
876 	{ INTEL_FAM6_ATOM_SILVERMONT_D, &slvd_features },
877 	{ INTEL_FAM6_ATOM_AIRMONT, &amt_features },
878 	{ INTEL_FAM6_ATOM_GOLDMONT, &gmt_features },
879 	{ INTEL_FAM6_ATOM_GOLDMONT_D, &gmtd_features },
880 	{ INTEL_FAM6_ATOM_GOLDMONT_PLUS, &gmtp_features },
881 	{ INTEL_FAM6_ATOM_TREMONT_D, &tmtd_features },
882 	{ INTEL_FAM6_ATOM_TREMONT, &tmt_features },
883 	{ INTEL_FAM6_ATOM_TREMONT_L, &tmt_features },
884 	{ INTEL_FAM6_ATOM_GRACEMONT, &adl_features },
885 	{ INTEL_FAM6_ATOM_CRESTMONT_X, &srf_features },
886 	{ INTEL_FAM6_ATOM_CRESTMONT, &grr_features },
887 	{ INTEL_FAM6_XEON_PHI_KNL, &knl_features },
888 	{ INTEL_FAM6_XEON_PHI_KNM, &knl_features },
889 	/*
890 	 * Missing support for
891 	 * INTEL_FAM6_ICELAKE
892 	 * INTEL_FAM6_ATOM_SILVERMONT_MID
893 	 * INTEL_FAM6_ATOM_AIRMONT_MID
894 	 * INTEL_FAM6_ATOM_AIRMONT_NP
895 	 */
896 	{ 0, NULL },
897 };
898 
899 static const struct platform_features *platform;
900 
901 void probe_platform_features(unsigned int family, unsigned int model)
902 {
903 	int i;
904 
905 	platform = &default_features;
906 
907 	if (authentic_amd || hygon_genuine) {
908 		if (max_extended_level >= 0x80000007) {
909 			unsigned int eax, ebx, ecx, edx;
910 
911 			__cpuid(0x80000007, eax, ebx, ecx, edx);
912 			/* RAPL (Fam 17h+) */
913 			if ((edx & (1 << 14)) && family >= 0x17)
914 				platform = &amd_features_with_rapl;
915 		}
916 		return;
917 	}
918 
919 	if (!genuine_intel || family != 6)
920 		return;
921 
922 	for (i = 0; turbostat_pdata[i].features; i++) {
923 		if (turbostat_pdata[i].model == model) {
924 			platform = turbostat_pdata[i].features;
925 			return;
926 		}
927 	}
928 }
929 
930 /* Model specific support End */
931 
932 #define	TJMAX_DEFAULT	100
933 
934 /* MSRs that are not yet in the kernel-provided header. */
935 #define MSR_RAPL_PWR_UNIT	0xc0010299
936 #define MSR_CORE_ENERGY_STAT	0xc001029a
937 #define MSR_PKG_ENERGY_STAT	0xc001029b
938 
939 #define MAX(a, b) ((a) > (b) ? (a) : (b))
940 
941 int backwards_count;
942 char *progname;
943 
944 #define CPU_SUBSET_MAXCPUS	1024	/* need to use before probe... */
945 cpu_set_t *cpu_present_set, *cpu_effective_set, *cpu_allowed_set, *cpu_affinity_set, *cpu_subset;
946 size_t cpu_present_setsize, cpu_effective_setsize, cpu_allowed_setsize, cpu_affinity_setsize, cpu_subset_size;
947 #define MAX_ADDED_COUNTERS 8
948 #define MAX_ADDED_THREAD_COUNTERS 24
949 #define BITMASK_SIZE 32
950 
951 struct thread_data {
952 	struct timeval tv_begin;
953 	struct timeval tv_end;
954 	struct timeval tv_delta;
955 	unsigned long long tsc;
956 	unsigned long long aperf;
957 	unsigned long long mperf;
958 	unsigned long long c1;
959 	unsigned long long instr_count;
960 	unsigned long long irq_count;
961 	unsigned int smi_count;
962 	unsigned int cpu_id;
963 	unsigned int apic_id;
964 	unsigned int x2apic_id;
965 	unsigned int flags;
966 	bool is_atom;
967 	unsigned long long counter[MAX_ADDED_THREAD_COUNTERS];
968 } *thread_even, *thread_odd;
969 
970 struct core_data {
971 	int base_cpu;
972 	unsigned long long c3;
973 	unsigned long long c6;
974 	unsigned long long c7;
975 	unsigned long long mc6_us;	/* duplicate as per-core for now, even though per module */
976 	unsigned int core_temp_c;
977 	unsigned int core_energy;	/* MSR_CORE_ENERGY_STAT */
978 	unsigned int core_id;
979 	unsigned long long core_throt_cnt;
980 	unsigned long long counter[MAX_ADDED_COUNTERS];
981 } *core_even, *core_odd;
982 
983 struct pkg_data {
984 	int base_cpu;
985 	unsigned long long pc2;
986 	unsigned long long pc3;
987 	unsigned long long pc6;
988 	unsigned long long pc7;
989 	unsigned long long pc8;
990 	unsigned long long pc9;
991 	unsigned long long pc10;
992 	unsigned long long cpu_lpi;
993 	unsigned long long sys_lpi;
994 	unsigned long long pkg_wtd_core_c0;
995 	unsigned long long pkg_any_core_c0;
996 	unsigned long long pkg_any_gfxe_c0;
997 	unsigned long long pkg_both_core_gfxe_c0;
998 	long long gfx_rc6_ms;
999 	unsigned int gfx_mhz;
1000 	unsigned int gfx_act_mhz;
1001 	unsigned int package_id;
1002 	unsigned long long energy_pkg;	/* MSR_PKG_ENERGY_STATUS */
1003 	unsigned long long energy_dram;	/* MSR_DRAM_ENERGY_STATUS */
1004 	unsigned long long energy_cores;	/* MSR_PP0_ENERGY_STATUS */
1005 	unsigned long long energy_gfx;	/* MSR_PP1_ENERGY_STATUS */
1006 	unsigned long long rapl_pkg_perf_status;	/* MSR_PKG_PERF_STATUS */
1007 	unsigned long long rapl_dram_perf_status;	/* MSR_DRAM_PERF_STATUS */
1008 	unsigned int pkg_temp_c;
1009 	unsigned int uncore_mhz;
1010 	unsigned long long counter[MAX_ADDED_COUNTERS];
1011 } *package_even, *package_odd;
1012 
1013 #define ODD_COUNTERS thread_odd, core_odd, package_odd
1014 #define EVEN_COUNTERS thread_even, core_even, package_even
1015 
1016 #define GET_THREAD(thread_base, thread_no, core_no, node_no, pkg_no)	      \
1017 	((thread_base) +						      \
1018 	 ((pkg_no) *							      \
1019 	  topo.nodes_per_pkg * topo.cores_per_node * topo.threads_per_core) + \
1020 	 ((node_no) * topo.cores_per_node * topo.threads_per_core) +	      \
1021 	 ((core_no) * topo.threads_per_core) +				      \
1022 	 (thread_no))
1023 
1024 #define GET_CORE(core_base, core_no, node_no, pkg_no)			\
1025 	((core_base) +							\
1026 	 ((pkg_no) *  topo.nodes_per_pkg * topo.cores_per_node) +	\
1027 	 ((node_no) * topo.cores_per_node) +				\
1028 	 (core_no))
1029 
1030 #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
1031 
1032 /*
1033  * The accumulated sum of MSR is defined as a monotonic
1034  * increasing MSR, it will be accumulated periodically,
1035  * despite its register's bit width.
1036  */
1037 enum {
1038 	IDX_PKG_ENERGY,
1039 	IDX_DRAM_ENERGY,
1040 	IDX_PP0_ENERGY,
1041 	IDX_PP1_ENERGY,
1042 	IDX_PKG_PERF,
1043 	IDX_DRAM_PERF,
1044 	IDX_COUNT,
1045 };
1046 
1047 int get_msr_sum(int cpu, off_t offset, unsigned long long *msr);
1048 
1049 struct msr_sum_array {
1050 	/* get_msr_sum() = sum + (get_msr() - last) */
1051 	struct {
1052 		/*The accumulated MSR value is updated by the timer */
1053 		unsigned long long sum;
1054 		/*The MSR footprint recorded in last timer */
1055 		unsigned long long last;
1056 	} entries[IDX_COUNT];
1057 };
1058 
1059 /* The percpu MSR sum array.*/
1060 struct msr_sum_array *per_cpu_msr_sum;
1061 
1062 off_t idx_to_offset(int idx)
1063 {
1064 	off_t offset;
1065 
1066 	switch (idx) {
1067 	case IDX_PKG_ENERGY:
1068 		if (platform->rapl_msrs & RAPL_AMD_F17H)
1069 			offset = MSR_PKG_ENERGY_STAT;
1070 		else
1071 			offset = MSR_PKG_ENERGY_STATUS;
1072 		break;
1073 	case IDX_DRAM_ENERGY:
1074 		offset = MSR_DRAM_ENERGY_STATUS;
1075 		break;
1076 	case IDX_PP0_ENERGY:
1077 		offset = MSR_PP0_ENERGY_STATUS;
1078 		break;
1079 	case IDX_PP1_ENERGY:
1080 		offset = MSR_PP1_ENERGY_STATUS;
1081 		break;
1082 	case IDX_PKG_PERF:
1083 		offset = MSR_PKG_PERF_STATUS;
1084 		break;
1085 	case IDX_DRAM_PERF:
1086 		offset = MSR_DRAM_PERF_STATUS;
1087 		break;
1088 	default:
1089 		offset = -1;
1090 	}
1091 	return offset;
1092 }
1093 
1094 int offset_to_idx(off_t offset)
1095 {
1096 	int idx;
1097 
1098 	switch (offset) {
1099 	case MSR_PKG_ENERGY_STATUS:
1100 	case MSR_PKG_ENERGY_STAT:
1101 		idx = IDX_PKG_ENERGY;
1102 		break;
1103 	case MSR_DRAM_ENERGY_STATUS:
1104 		idx = IDX_DRAM_ENERGY;
1105 		break;
1106 	case MSR_PP0_ENERGY_STATUS:
1107 		idx = IDX_PP0_ENERGY;
1108 		break;
1109 	case MSR_PP1_ENERGY_STATUS:
1110 		idx = IDX_PP1_ENERGY;
1111 		break;
1112 	case MSR_PKG_PERF_STATUS:
1113 		idx = IDX_PKG_PERF;
1114 		break;
1115 	case MSR_DRAM_PERF_STATUS:
1116 		idx = IDX_DRAM_PERF;
1117 		break;
1118 	default:
1119 		idx = -1;
1120 	}
1121 	return idx;
1122 }
1123 
1124 int idx_valid(int idx)
1125 {
1126 	switch (idx) {
1127 	case IDX_PKG_ENERGY:
1128 		return platform->rapl_msrs & (RAPL_PKG | RAPL_AMD_F17H);
1129 	case IDX_DRAM_ENERGY:
1130 		return platform->rapl_msrs & RAPL_DRAM;
1131 	case IDX_PP0_ENERGY:
1132 		return platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS;
1133 	case IDX_PP1_ENERGY:
1134 		return platform->rapl_msrs & RAPL_GFX;
1135 	case IDX_PKG_PERF:
1136 		return platform->rapl_msrs & RAPL_PKG_PERF_STATUS;
1137 	case IDX_DRAM_PERF:
1138 		return platform->rapl_msrs & RAPL_DRAM_PERF_STATUS;
1139 	default:
1140 		return 0;
1141 	}
1142 }
1143 
1144 struct sys_counters {
1145 	unsigned int added_thread_counters;
1146 	unsigned int added_core_counters;
1147 	unsigned int added_package_counters;
1148 	struct msr_counter *tp;
1149 	struct msr_counter *cp;
1150 	struct msr_counter *pp;
1151 } sys;
1152 
1153 struct system_summary {
1154 	struct thread_data threads;
1155 	struct core_data cores;
1156 	struct pkg_data packages;
1157 } average;
1158 
1159 struct cpu_topology {
1160 	int physical_package_id;
1161 	int die_id;
1162 	int logical_cpu_id;
1163 	int physical_node_id;
1164 	int logical_node_id;	/* 0-based count within the package */
1165 	int physical_core_id;
1166 	int thread_id;
1167 	cpu_set_t *put_ids;	/* Processing Unit/Thread IDs */
1168 } *cpus;
1169 
1170 struct topo_params {
1171 	int num_packages;
1172 	int num_die;
1173 	int num_cpus;
1174 	int num_cores;
1175 	int allowed_packages;
1176 	int allowed_cpus;
1177 	int allowed_cores;
1178 	int max_cpu_num;
1179 	int max_node_num;
1180 	int nodes_per_pkg;
1181 	int cores_per_node;
1182 	int threads_per_core;
1183 } topo;
1184 
1185 struct timeval tv_even, tv_odd, tv_delta;
1186 
1187 int *irq_column_2_cpu;		/* /proc/interrupts column numbers */
1188 int *irqs_per_cpu;		/* indexed by cpu_num */
1189 
1190 void setup_all_buffers(bool startup);
1191 
1192 char *sys_lpi_file;
1193 char *sys_lpi_file_sysfs = "/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us";
1194 char *sys_lpi_file_debugfs = "/sys/kernel/debug/pmc_core/slp_s0_residency_usec";
1195 
1196 int cpu_is_not_present(int cpu)
1197 {
1198 	return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
1199 }
1200 
1201 int cpu_is_not_allowed(int cpu)
1202 {
1203 	return !CPU_ISSET_S(cpu, cpu_allowed_setsize, cpu_allowed_set);
1204 }
1205 
1206 /*
1207  * run func(thread, core, package) in topology order
1208  * skip non-present cpus
1209  */
1210 
1211 int for_all_cpus(int (func) (struct thread_data *, struct core_data *, struct pkg_data *),
1212 		 struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
1213 {
1214 	int retval, pkg_no, core_no, thread_no, node_no;
1215 
1216 	for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
1217 		for (node_no = 0; node_no < topo.nodes_per_pkg; node_no++) {
1218 			for (core_no = 0; core_no < topo.cores_per_node; ++core_no) {
1219 				for (thread_no = 0; thread_no < topo.threads_per_core; ++thread_no) {
1220 					struct thread_data *t;
1221 					struct core_data *c;
1222 					struct pkg_data *p;
1223 					t = GET_THREAD(thread_base, thread_no, core_no, node_no, pkg_no);
1224 
1225 					if (cpu_is_not_allowed(t->cpu_id))
1226 						continue;
1227 
1228 					c = GET_CORE(core_base, core_no, node_no, pkg_no);
1229 					p = GET_PKG(pkg_base, pkg_no);
1230 
1231 					retval = func(t, c, p);
1232 					if (retval)
1233 						return retval;
1234 				}
1235 			}
1236 		}
1237 	}
1238 	return 0;
1239 }
1240 
1241 int is_cpu_first_thread_in_core(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1242 {
1243 	UNUSED(p);
1244 
1245 	return ((int)t->cpu_id == c->base_cpu || c->base_cpu < 0);
1246 }
1247 
1248 int is_cpu_first_core_in_package(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1249 {
1250 	UNUSED(c);
1251 
1252 	return ((int)t->cpu_id == p->base_cpu || p->base_cpu < 0);
1253 }
1254 
1255 int is_cpu_first_thread_in_package(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1256 {
1257 	return is_cpu_first_thread_in_core(t, c, p) && is_cpu_first_core_in_package(t, c, p);
1258 }
1259 
1260 int cpu_migrate(int cpu)
1261 {
1262 	CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
1263 	CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
1264 	if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
1265 		return -1;
1266 	else
1267 		return 0;
1268 }
1269 
1270 int get_msr_fd(int cpu)
1271 {
1272 	char pathname[32];
1273 	int fd;
1274 
1275 	fd = fd_percpu[cpu];
1276 
1277 	if (fd)
1278 		return fd;
1279 
1280 	sprintf(pathname, "/dev/cpu/%d/msr", cpu);
1281 	fd = open(pathname, O_RDONLY);
1282 	if (fd < 0)
1283 		err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
1284 
1285 	fd_percpu[cpu] = fd;
1286 
1287 	return fd;
1288 }
1289 
1290 static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu, int group_fd, unsigned long flags)
1291 {
1292 	return syscall(__NR_perf_event_open, hw_event, pid, cpu, group_fd, flags);
1293 }
1294 
1295 static int perf_instr_count_open(int cpu_num)
1296 {
1297 	struct perf_event_attr pea;
1298 	int fd;
1299 
1300 	memset(&pea, 0, sizeof(struct perf_event_attr));
1301 	pea.type = PERF_TYPE_HARDWARE;
1302 	pea.size = sizeof(struct perf_event_attr);
1303 	pea.config = PERF_COUNT_HW_INSTRUCTIONS;
1304 
1305 	/* counter for cpu_num, including user + kernel and all processes */
1306 	fd = perf_event_open(&pea, -1, cpu_num, -1, 0);
1307 	if (fd == -1) {
1308 		warnx("capget(CAP_PERFMON) failed, try \"# setcap cap_sys_admin=ep %s\"", progname);
1309 		BIC_NOT_PRESENT(BIC_IPC);
1310 	}
1311 
1312 	return fd;
1313 }
1314 
1315 int get_instr_count_fd(int cpu)
1316 {
1317 	if (fd_instr_count_percpu[cpu])
1318 		return fd_instr_count_percpu[cpu];
1319 
1320 	fd_instr_count_percpu[cpu] = perf_instr_count_open(cpu);
1321 
1322 	return fd_instr_count_percpu[cpu];
1323 }
1324 
1325 int get_msr(int cpu, off_t offset, unsigned long long *msr)
1326 {
1327 	ssize_t retval;
1328 
1329 	retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset);
1330 
1331 	if (retval != sizeof *msr)
1332 		err(-1, "cpu%d: msr offset 0x%llx read failed", cpu, (unsigned long long)offset);
1333 
1334 	return 0;
1335 }
1336 
1337 #define MAX_DEFERRED 16
1338 char *deferred_add_names[MAX_DEFERRED];
1339 char *deferred_skip_names[MAX_DEFERRED];
1340 int deferred_add_index;
1341 int deferred_skip_index;
1342 
1343 /*
1344  * HIDE_LIST - hide this list of counters, show the rest [default]
1345  * SHOW_LIST - show this list of counters, hide the rest
1346  */
1347 enum show_hide_mode { SHOW_LIST, HIDE_LIST } global_show_hide_mode = HIDE_LIST;
1348 
1349 void help(void)
1350 {
1351 	fprintf(outf,
1352 		"Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n"
1353 		"\n"
1354 		"Turbostat forks the specified COMMAND and prints statistics\n"
1355 		"when COMMAND completes.\n"
1356 		"If no COMMAND is specified, turbostat wakes every 5-seconds\n"
1357 		"to print statistics, until interrupted.\n"
1358 		"  -a, --add	add a counter\n"
1359 		"		  eg. --add msr0x10,u64,cpu,delta,MY_TSC\n"
1360 		"  -c, --cpu	cpu-set	limit output to summary plus cpu-set:\n"
1361 		"		  {core | package | j,k,l..m,n-p }\n"
1362 		"  -d, --debug	displays usec, Time_Of_Day_Seconds and more debugging\n"
1363 		"  -D, --Dump	displays the raw counter values\n"
1364 		"  -e, --enable	[all | column]\n"
1365 		"		shows all or the specified disabled column\n"
1366 		"  -H, --hide [column|column,column,...]\n"
1367 		"		hide the specified column(s)\n"
1368 		"  -i, --interval sec.subsec\n"
1369 		"		Override default 5-second measurement interval\n"
1370 		"  -J, --Joules	displays energy in Joules instead of Watts\n"
1371 		"  -l, --list	list column headers only\n"
1372 		"  -n, --num_iterations num\n"
1373 		"		number of the measurement iterations\n"
1374 		"  -N, --header_iterations num\n"
1375 		"		print header every num iterations\n"
1376 		"  -o, --out file\n"
1377 		"		create or truncate \"file\" for all output\n"
1378 		"  -q, --quiet	skip decoding system configuration header\n"
1379 		"  -s, --show [column|column,column,...]\n"
1380 		"		show only the specified column(s)\n"
1381 		"  -S, --Summary\n"
1382 		"		limits output to 1-line system summary per interval\n"
1383 		"  -T, --TCC temperature\n"
1384 		"		sets the Thermal Control Circuit temperature in\n"
1385 		"		  degrees Celsius\n"
1386 		"  -h, --help	print this help message\n"
1387 		"  -v, --version	print version information\n" "\n" "For more help, run \"man turbostat\"\n");
1388 }
1389 
1390 /*
1391  * bic_lookup
1392  * for all the strings in comma separate name_list,
1393  * set the approprate bit in return value.
1394  */
1395 unsigned long long bic_lookup(char *name_list, enum show_hide_mode mode)
1396 {
1397 	unsigned int i;
1398 	unsigned long long retval = 0;
1399 
1400 	while (name_list) {
1401 		char *comma;
1402 
1403 		comma = strchr(name_list, ',');
1404 
1405 		if (comma)
1406 			*comma = '\0';
1407 
1408 		for (i = 0; i < MAX_BIC; ++i) {
1409 			if (!strcmp(name_list, bic[i].name)) {
1410 				retval |= (1ULL << i);
1411 				break;
1412 			}
1413 			if (!strcmp(name_list, "all")) {
1414 				retval |= ~0;
1415 				break;
1416 			} else if (!strcmp(name_list, "topology")) {
1417 				retval |= BIC_TOPOLOGY;
1418 				break;
1419 			} else if (!strcmp(name_list, "power")) {
1420 				retval |= BIC_THERMAL_PWR;
1421 				break;
1422 			} else if (!strcmp(name_list, "idle")) {
1423 				retval |= BIC_IDLE;
1424 				break;
1425 			} else if (!strcmp(name_list, "frequency")) {
1426 				retval |= BIC_FREQUENCY;
1427 				break;
1428 			} else if (!strcmp(name_list, "other")) {
1429 				retval |= BIC_OTHER;
1430 				break;
1431 			}
1432 
1433 		}
1434 		if (i == MAX_BIC) {
1435 			if (mode == SHOW_LIST) {
1436 				deferred_add_names[deferred_add_index++] = name_list;
1437 				if (deferred_add_index >= MAX_DEFERRED) {
1438 					fprintf(stderr, "More than max %d un-recognized --add options '%s'\n",
1439 						MAX_DEFERRED, name_list);
1440 					help();
1441 					exit(1);
1442 				}
1443 			} else {
1444 				deferred_skip_names[deferred_skip_index++] = name_list;
1445 				if (debug)
1446 					fprintf(stderr, "deferred \"%s\"\n", name_list);
1447 				if (deferred_skip_index >= MAX_DEFERRED) {
1448 					fprintf(stderr, "More than max %d un-recognized --skip options '%s'\n",
1449 						MAX_DEFERRED, name_list);
1450 					help();
1451 					exit(1);
1452 				}
1453 			}
1454 		}
1455 
1456 		name_list = comma;
1457 		if (name_list)
1458 			name_list++;
1459 
1460 	}
1461 	return retval;
1462 }
1463 
1464 void print_header(char *delim)
1465 {
1466 	struct msr_counter *mp;
1467 	int printed = 0;
1468 
1469 	if (DO_BIC(BIC_USEC))
1470 		outp += sprintf(outp, "%susec", (printed++ ? delim : ""));
1471 	if (DO_BIC(BIC_TOD))
1472 		outp += sprintf(outp, "%sTime_Of_Day_Seconds", (printed++ ? delim : ""));
1473 	if (DO_BIC(BIC_Package))
1474 		outp += sprintf(outp, "%sPackage", (printed++ ? delim : ""));
1475 	if (DO_BIC(BIC_Die))
1476 		outp += sprintf(outp, "%sDie", (printed++ ? delim : ""));
1477 	if (DO_BIC(BIC_Node))
1478 		outp += sprintf(outp, "%sNode", (printed++ ? delim : ""));
1479 	if (DO_BIC(BIC_Core))
1480 		outp += sprintf(outp, "%sCore", (printed++ ? delim : ""));
1481 	if (DO_BIC(BIC_CPU))
1482 		outp += sprintf(outp, "%sCPU", (printed++ ? delim : ""));
1483 	if (DO_BIC(BIC_APIC))
1484 		outp += sprintf(outp, "%sAPIC", (printed++ ? delim : ""));
1485 	if (DO_BIC(BIC_X2APIC))
1486 		outp += sprintf(outp, "%sX2APIC", (printed++ ? delim : ""));
1487 	if (DO_BIC(BIC_Avg_MHz))
1488 		outp += sprintf(outp, "%sAvg_MHz", (printed++ ? delim : ""));
1489 	if (DO_BIC(BIC_Busy))
1490 		outp += sprintf(outp, "%sBusy%%", (printed++ ? delim : ""));
1491 	if (DO_BIC(BIC_Bzy_MHz))
1492 		outp += sprintf(outp, "%sBzy_MHz", (printed++ ? delim : ""));
1493 	if (DO_BIC(BIC_TSC_MHz))
1494 		outp += sprintf(outp, "%sTSC_MHz", (printed++ ? delim : ""));
1495 
1496 	if (DO_BIC(BIC_IPC))
1497 		outp += sprintf(outp, "%sIPC", (printed++ ? delim : ""));
1498 
1499 	if (DO_BIC(BIC_IRQ)) {
1500 		if (sums_need_wide_columns)
1501 			outp += sprintf(outp, "%s     IRQ", (printed++ ? delim : ""));
1502 		else
1503 			outp += sprintf(outp, "%sIRQ", (printed++ ? delim : ""));
1504 	}
1505 
1506 	if (DO_BIC(BIC_SMI))
1507 		outp += sprintf(outp, "%sSMI", (printed++ ? delim : ""));
1508 
1509 	for (mp = sys.tp; mp; mp = mp->next) {
1510 
1511 		if (mp->format == FORMAT_RAW) {
1512 			if (mp->width == 64)
1513 				outp += sprintf(outp, "%s%18.18s", (printed++ ? delim : ""), mp->name);
1514 			else
1515 				outp += sprintf(outp, "%s%10.10s", (printed++ ? delim : ""), mp->name);
1516 		} else {
1517 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1518 				outp += sprintf(outp, "%s%8s", (printed++ ? delim : ""), mp->name);
1519 			else
1520 				outp += sprintf(outp, "%s%s", (printed++ ? delim : ""), mp->name);
1521 		}
1522 	}
1523 
1524 	if (DO_BIC(BIC_CPU_c1))
1525 		outp += sprintf(outp, "%sCPU%%c1", (printed++ ? delim : ""));
1526 	if (DO_BIC(BIC_CPU_c3))
1527 		outp += sprintf(outp, "%sCPU%%c3", (printed++ ? delim : ""));
1528 	if (DO_BIC(BIC_CPU_c6))
1529 		outp += sprintf(outp, "%sCPU%%c6", (printed++ ? delim : ""));
1530 	if (DO_BIC(BIC_CPU_c7))
1531 		outp += sprintf(outp, "%sCPU%%c7", (printed++ ? delim : ""));
1532 
1533 	if (DO_BIC(BIC_Mod_c6))
1534 		outp += sprintf(outp, "%sMod%%c6", (printed++ ? delim : ""));
1535 
1536 	if (DO_BIC(BIC_CoreTmp))
1537 		outp += sprintf(outp, "%sCoreTmp", (printed++ ? delim : ""));
1538 
1539 	if (DO_BIC(BIC_CORE_THROT_CNT))
1540 		outp += sprintf(outp, "%sCoreThr", (printed++ ? delim : ""));
1541 
1542 	if (platform->rapl_msrs && !rapl_joules) {
1543 		if (DO_BIC(BIC_CorWatt) && platform->has_per_core_rapl)
1544 			outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
1545 	} else if (platform->rapl_msrs && rapl_joules) {
1546 		if (DO_BIC(BIC_Cor_J) && platform->has_per_core_rapl)
1547 			outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
1548 	}
1549 
1550 	for (mp = sys.cp; mp; mp = mp->next) {
1551 		if (mp->format == FORMAT_RAW) {
1552 			if (mp->width == 64)
1553 				outp += sprintf(outp, "%s%18.18s", delim, mp->name);
1554 			else
1555 				outp += sprintf(outp, "%s%10.10s", delim, mp->name);
1556 		} else {
1557 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1558 				outp += sprintf(outp, "%s%8s", delim, mp->name);
1559 			else
1560 				outp += sprintf(outp, "%s%s", delim, mp->name);
1561 		}
1562 	}
1563 
1564 	if (DO_BIC(BIC_PkgTmp))
1565 		outp += sprintf(outp, "%sPkgTmp", (printed++ ? delim : ""));
1566 
1567 	if (DO_BIC(BIC_GFX_rc6))
1568 		outp += sprintf(outp, "%sGFX%%rc6", (printed++ ? delim : ""));
1569 
1570 	if (DO_BIC(BIC_GFXMHz))
1571 		outp += sprintf(outp, "%sGFXMHz", (printed++ ? delim : ""));
1572 
1573 	if (DO_BIC(BIC_GFXACTMHz))
1574 		outp += sprintf(outp, "%sGFXAMHz", (printed++ ? delim : ""));
1575 
1576 	if (DO_BIC(BIC_Totl_c0))
1577 		outp += sprintf(outp, "%sTotl%%C0", (printed++ ? delim : ""));
1578 	if (DO_BIC(BIC_Any_c0))
1579 		outp += sprintf(outp, "%sAny%%C0", (printed++ ? delim : ""));
1580 	if (DO_BIC(BIC_GFX_c0))
1581 		outp += sprintf(outp, "%sGFX%%C0", (printed++ ? delim : ""));
1582 	if (DO_BIC(BIC_CPUGFX))
1583 		outp += sprintf(outp, "%sCPUGFX%%", (printed++ ? delim : ""));
1584 
1585 	if (DO_BIC(BIC_Pkgpc2))
1586 		outp += sprintf(outp, "%sPkg%%pc2", (printed++ ? delim : ""));
1587 	if (DO_BIC(BIC_Pkgpc3))
1588 		outp += sprintf(outp, "%sPkg%%pc3", (printed++ ? delim : ""));
1589 	if (DO_BIC(BIC_Pkgpc6))
1590 		outp += sprintf(outp, "%sPkg%%pc6", (printed++ ? delim : ""));
1591 	if (DO_BIC(BIC_Pkgpc7))
1592 		outp += sprintf(outp, "%sPkg%%pc7", (printed++ ? delim : ""));
1593 	if (DO_BIC(BIC_Pkgpc8))
1594 		outp += sprintf(outp, "%sPkg%%pc8", (printed++ ? delim : ""));
1595 	if (DO_BIC(BIC_Pkgpc9))
1596 		outp += sprintf(outp, "%sPkg%%pc9", (printed++ ? delim : ""));
1597 	if (DO_BIC(BIC_Pkgpc10))
1598 		outp += sprintf(outp, "%sPk%%pc10", (printed++ ? delim : ""));
1599 	if (DO_BIC(BIC_CPU_LPI))
1600 		outp += sprintf(outp, "%sCPU%%LPI", (printed++ ? delim : ""));
1601 	if (DO_BIC(BIC_SYS_LPI))
1602 		outp += sprintf(outp, "%sSYS%%LPI", (printed++ ? delim : ""));
1603 
1604 	if (platform->rapl_msrs && !rapl_joules) {
1605 		if (DO_BIC(BIC_PkgWatt))
1606 			outp += sprintf(outp, "%sPkgWatt", (printed++ ? delim : ""));
1607 		if (DO_BIC(BIC_CorWatt) && !platform->has_per_core_rapl)
1608 			outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
1609 		if (DO_BIC(BIC_GFXWatt))
1610 			outp += sprintf(outp, "%sGFXWatt", (printed++ ? delim : ""));
1611 		if (DO_BIC(BIC_RAMWatt))
1612 			outp += sprintf(outp, "%sRAMWatt", (printed++ ? delim : ""));
1613 		if (DO_BIC(BIC_PKG__))
1614 			outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : ""));
1615 		if (DO_BIC(BIC_RAM__))
1616 			outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
1617 	} else if (platform->rapl_msrs && rapl_joules) {
1618 		if (DO_BIC(BIC_Pkg_J))
1619 			outp += sprintf(outp, "%sPkg_J", (printed++ ? delim : ""));
1620 		if (DO_BIC(BIC_Cor_J) && !platform->has_per_core_rapl)
1621 			outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
1622 		if (DO_BIC(BIC_GFX_J))
1623 			outp += sprintf(outp, "%sGFX_J", (printed++ ? delim : ""));
1624 		if (DO_BIC(BIC_RAM_J))
1625 			outp += sprintf(outp, "%sRAM_J", (printed++ ? delim : ""));
1626 		if (DO_BIC(BIC_PKG__))
1627 			outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : ""));
1628 		if (DO_BIC(BIC_RAM__))
1629 			outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : ""));
1630 	}
1631 	if (DO_BIC(BIC_UNCORE_MHZ))
1632 		outp += sprintf(outp, "%sUncMHz", (printed++ ? delim : ""));
1633 
1634 	for (mp = sys.pp; mp; mp = mp->next) {
1635 		if (mp->format == FORMAT_RAW) {
1636 			if (mp->width == 64)
1637 				outp += sprintf(outp, "%s%18.18s", delim, mp->name);
1638 			else
1639 				outp += sprintf(outp, "%s%10.10s", delim, mp->name);
1640 		} else {
1641 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1642 				outp += sprintf(outp, "%s%8s", delim, mp->name);
1643 			else
1644 				outp += sprintf(outp, "%s%s", delim, mp->name);
1645 		}
1646 	}
1647 
1648 	outp += sprintf(outp, "\n");
1649 }
1650 
1651 int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1652 {
1653 	int i;
1654 	struct msr_counter *mp;
1655 
1656 	outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p);
1657 
1658 	if (t) {
1659 		outp += sprintf(outp, "CPU: %d flags 0x%x\n", t->cpu_id, t->flags);
1660 		outp += sprintf(outp, "TSC: %016llX\n", t->tsc);
1661 		outp += sprintf(outp, "aperf: %016llX\n", t->aperf);
1662 		outp += sprintf(outp, "mperf: %016llX\n", t->mperf);
1663 		outp += sprintf(outp, "c1: %016llX\n", t->c1);
1664 
1665 		if (DO_BIC(BIC_IPC))
1666 			outp += sprintf(outp, "IPC: %lld\n", t->instr_count);
1667 
1668 		if (DO_BIC(BIC_IRQ))
1669 			outp += sprintf(outp, "IRQ: %lld\n", t->irq_count);
1670 		if (DO_BIC(BIC_SMI))
1671 			outp += sprintf(outp, "SMI: %d\n", t->smi_count);
1672 
1673 		for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1674 			outp += sprintf(outp, "tADDED [%d] msr0x%x: %08llX\n", i, mp->msr_num, t->counter[i]);
1675 		}
1676 	}
1677 
1678 	if (c) {
1679 		outp += sprintf(outp, "core: %d\n", c->core_id);
1680 		outp += sprintf(outp, "c3: %016llX\n", c->c3);
1681 		outp += sprintf(outp, "c6: %016llX\n", c->c6);
1682 		outp += sprintf(outp, "c7: %016llX\n", c->c7);
1683 		outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
1684 		outp += sprintf(outp, "cpu_throt_count: %016llX\n", c->core_throt_cnt);
1685 		outp += sprintf(outp, "Joules: %0X\n", c->core_energy);
1686 
1687 		for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1688 			outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n", i, mp->msr_num, c->counter[i]);
1689 		}
1690 		outp += sprintf(outp, "mc6_us: %016llX\n", c->mc6_us);
1691 	}
1692 
1693 	if (p) {
1694 		outp += sprintf(outp, "package: %d\n", p->package_id);
1695 
1696 		outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
1697 		outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0);
1698 		outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0);
1699 		outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0);
1700 
1701 		outp += sprintf(outp, "pc2: %016llX\n", p->pc2);
1702 		if (DO_BIC(BIC_Pkgpc3))
1703 			outp += sprintf(outp, "pc3: %016llX\n", p->pc3);
1704 		if (DO_BIC(BIC_Pkgpc6))
1705 			outp += sprintf(outp, "pc6: %016llX\n", p->pc6);
1706 		if (DO_BIC(BIC_Pkgpc7))
1707 			outp += sprintf(outp, "pc7: %016llX\n", p->pc7);
1708 		outp += sprintf(outp, "pc8: %016llX\n", p->pc8);
1709 		outp += sprintf(outp, "pc9: %016llX\n", p->pc9);
1710 		outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
1711 		outp += sprintf(outp, "cpu_lpi: %016llX\n", p->cpu_lpi);
1712 		outp += sprintf(outp, "sys_lpi: %016llX\n", p->sys_lpi);
1713 		outp += sprintf(outp, "Joules PKG: %0llX\n", p->energy_pkg);
1714 		outp += sprintf(outp, "Joules COR: %0llX\n", p->energy_cores);
1715 		outp += sprintf(outp, "Joules GFX: %0llX\n", p->energy_gfx);
1716 		outp += sprintf(outp, "Joules RAM: %0llX\n", p->energy_dram);
1717 		outp += sprintf(outp, "Throttle PKG: %0llX\n", p->rapl_pkg_perf_status);
1718 		outp += sprintf(outp, "Throttle RAM: %0llX\n", p->rapl_dram_perf_status);
1719 		outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
1720 
1721 		for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
1722 			outp += sprintf(outp, "pADDED [%d] msr0x%x: %08llX\n", i, mp->msr_num, p->counter[i]);
1723 		}
1724 	}
1725 
1726 	outp += sprintf(outp, "\n");
1727 
1728 	return 0;
1729 }
1730 
1731 /*
1732  * column formatting convention & formats
1733  */
1734 int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1735 {
1736 	double interval_float, tsc;
1737 	char *fmt8;
1738 	int i;
1739 	struct msr_counter *mp;
1740 	char *delim = "\t";
1741 	int printed = 0;
1742 
1743 	/* if showing only 1st thread in core and this isn't one, bail out */
1744 	if (show_core_only && !is_cpu_first_thread_in_core(t, c, p))
1745 		return 0;
1746 
1747 	/* if showing only 1st thread in pkg and this isn't one, bail out */
1748 	if (show_pkg_only && !is_cpu_first_core_in_package(t, c, p))
1749 		return 0;
1750 
1751 	/*if not summary line and --cpu is used */
1752 	if ((t != &average.threads) && (cpu_subset && !CPU_ISSET_S(t->cpu_id, cpu_subset_size, cpu_subset)))
1753 		return 0;
1754 
1755 	if (DO_BIC(BIC_USEC)) {
1756 		/* on each row, print how many usec each timestamp took to gather */
1757 		struct timeval tv;
1758 
1759 		timersub(&t->tv_end, &t->tv_begin, &tv);
1760 		outp += sprintf(outp, "%5ld\t", tv.tv_sec * 1000000 + tv.tv_usec);
1761 	}
1762 
1763 	/* Time_Of_Day_Seconds: on each row, print sec.usec last timestamp taken */
1764 	if (DO_BIC(BIC_TOD))
1765 		outp += sprintf(outp, "%10ld.%06ld\t", t->tv_end.tv_sec, t->tv_end.tv_usec);
1766 
1767 	interval_float = t->tv_delta.tv_sec + t->tv_delta.tv_usec / 1000000.0;
1768 
1769 	tsc = t->tsc * tsc_tweak;
1770 
1771 	/* topo columns, print blanks on 1st (average) line */
1772 	if (t == &average.threads) {
1773 		if (DO_BIC(BIC_Package))
1774 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1775 		if (DO_BIC(BIC_Die))
1776 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1777 		if (DO_BIC(BIC_Node))
1778 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1779 		if (DO_BIC(BIC_Core))
1780 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1781 		if (DO_BIC(BIC_CPU))
1782 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1783 		if (DO_BIC(BIC_APIC))
1784 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1785 		if (DO_BIC(BIC_X2APIC))
1786 			outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1787 	} else {
1788 		if (DO_BIC(BIC_Package)) {
1789 			if (p)
1790 				outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->package_id);
1791 			else
1792 				outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1793 		}
1794 		if (DO_BIC(BIC_Die)) {
1795 			if (c)
1796 				outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), cpus[t->cpu_id].die_id);
1797 			else
1798 				outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1799 		}
1800 		if (DO_BIC(BIC_Node)) {
1801 			if (t)
1802 				outp += sprintf(outp, "%s%d",
1803 						(printed++ ? delim : ""), cpus[t->cpu_id].physical_node_id);
1804 			else
1805 				outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1806 		}
1807 		if (DO_BIC(BIC_Core)) {
1808 			if (c)
1809 				outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_id);
1810 			else
1811 				outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
1812 		}
1813 		if (DO_BIC(BIC_CPU))
1814 			outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->cpu_id);
1815 		if (DO_BIC(BIC_APIC))
1816 			outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->apic_id);
1817 		if (DO_BIC(BIC_X2APIC))
1818 			outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->x2apic_id);
1819 	}
1820 
1821 	if (DO_BIC(BIC_Avg_MHz))
1822 		outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), 1.0 / units * t->aperf / interval_float);
1823 
1824 	if (DO_BIC(BIC_Busy))
1825 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->mperf / tsc);
1826 
1827 	if (DO_BIC(BIC_Bzy_MHz)) {
1828 		if (has_base_hz)
1829 			outp +=
1830 			    sprintf(outp, "%s%.0f", (printed++ ? delim : ""), base_hz / units * t->aperf / t->mperf);
1831 		else
1832 			outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""),
1833 					tsc / units * t->aperf / t->mperf / interval_float);
1834 	}
1835 
1836 	if (DO_BIC(BIC_TSC_MHz))
1837 		outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), 1.0 * t->tsc / units / interval_float);
1838 
1839 	if (DO_BIC(BIC_IPC))
1840 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 1.0 * t->instr_count / t->aperf);
1841 
1842 	/* IRQ */
1843 	if (DO_BIC(BIC_IRQ)) {
1844 		if (sums_need_wide_columns)
1845 			outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->irq_count);
1846 		else
1847 			outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->irq_count);
1848 	}
1849 
1850 	/* SMI */
1851 	if (DO_BIC(BIC_SMI))
1852 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->smi_count);
1853 
1854 	/* Added counters */
1855 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
1856 		if (mp->format == FORMAT_RAW) {
1857 			if (mp->width == 32)
1858 				outp +=
1859 				    sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int)t->counter[i]);
1860 			else
1861 				outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), t->counter[i]);
1862 		} else if (mp->format == FORMAT_DELTA) {
1863 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1864 				outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->counter[i]);
1865 			else
1866 				outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->counter[i]);
1867 		} else if (mp->format == FORMAT_PERCENT) {
1868 			if (mp->type == COUNTER_USEC)
1869 				outp +=
1870 				    sprintf(outp, "%s%.2f", (printed++ ? delim : ""),
1871 					    t->counter[i] / interval_float / 10000);
1872 			else
1873 				outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->counter[i] / tsc);
1874 		}
1875 	}
1876 
1877 	/* C1 */
1878 	if (DO_BIC(BIC_CPU_c1))
1879 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->c1 / tsc);
1880 
1881 	/* print per-core data only for 1st thread in core */
1882 	if (!is_cpu_first_thread_in_core(t, c, p))
1883 		goto done;
1884 
1885 	if (DO_BIC(BIC_CPU_c3))
1886 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c3 / tsc);
1887 	if (DO_BIC(BIC_CPU_c6))
1888 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c6 / tsc);
1889 	if (DO_BIC(BIC_CPU_c7))
1890 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c7 / tsc);
1891 
1892 	/* Mod%c6 */
1893 	if (DO_BIC(BIC_Mod_c6))
1894 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->mc6_us / tsc);
1895 
1896 	if (DO_BIC(BIC_CoreTmp))
1897 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_temp_c);
1898 
1899 	/* Core throttle count */
1900 	if (DO_BIC(BIC_CORE_THROT_CNT))
1901 		outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), c->core_throt_cnt);
1902 
1903 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
1904 		if (mp->format == FORMAT_RAW) {
1905 			if (mp->width == 32)
1906 				outp +=
1907 				    sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int)c->counter[i]);
1908 			else
1909 				outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), c->counter[i]);
1910 		} else if (mp->format == FORMAT_DELTA) {
1911 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
1912 				outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), c->counter[i]);
1913 			else
1914 				outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), c->counter[i]);
1915 		} else if (mp->format == FORMAT_PERCENT) {
1916 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->counter[i] / tsc);
1917 		}
1918 	}
1919 
1920 	fmt8 = "%s%.2f";
1921 
1922 	if (DO_BIC(BIC_CorWatt) && platform->has_per_core_rapl)
1923 		outp +=
1924 		    sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units / interval_float);
1925 	if (DO_BIC(BIC_Cor_J) && platform->has_per_core_rapl)
1926 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units);
1927 
1928 	/* print per-package data only for 1st core in package */
1929 	if (!is_cpu_first_core_in_package(t, c, p))
1930 		goto done;
1931 
1932 	/* PkgTmp */
1933 	if (DO_BIC(BIC_PkgTmp))
1934 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->pkg_temp_c);
1935 
1936 	/* GFXrc6 */
1937 	if (DO_BIC(BIC_GFX_rc6)) {
1938 		if (p->gfx_rc6_ms == -1) {	/* detect GFX counter reset */
1939 			outp += sprintf(outp, "%s**.**", (printed++ ? delim : ""));
1940 		} else {
1941 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""),
1942 					p->gfx_rc6_ms / 10.0 / interval_float);
1943 		}
1944 	}
1945 
1946 	/* GFXMHz */
1947 	if (DO_BIC(BIC_GFXMHz))
1948 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->gfx_mhz);
1949 
1950 	/* GFXACTMHz */
1951 	if (DO_BIC(BIC_GFXACTMHz))
1952 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->gfx_act_mhz);
1953 
1954 	/* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
1955 	if (DO_BIC(BIC_Totl_c0))
1956 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_wtd_core_c0 / tsc);
1957 	if (DO_BIC(BIC_Any_c0))
1958 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_core_c0 / tsc);
1959 	if (DO_BIC(BIC_GFX_c0))
1960 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_gfxe_c0 / tsc);
1961 	if (DO_BIC(BIC_CPUGFX))
1962 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_both_core_gfxe_c0 / tsc);
1963 
1964 	if (DO_BIC(BIC_Pkgpc2))
1965 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc2 / tsc);
1966 	if (DO_BIC(BIC_Pkgpc3))
1967 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc3 / tsc);
1968 	if (DO_BIC(BIC_Pkgpc6))
1969 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc6 / tsc);
1970 	if (DO_BIC(BIC_Pkgpc7))
1971 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc7 / tsc);
1972 	if (DO_BIC(BIC_Pkgpc8))
1973 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc8 / tsc);
1974 	if (DO_BIC(BIC_Pkgpc9))
1975 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc9 / tsc);
1976 	if (DO_BIC(BIC_Pkgpc10))
1977 		outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc10 / tsc);
1978 
1979 	if (DO_BIC(BIC_CPU_LPI))
1980 		outp +=
1981 		    sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->cpu_lpi / 1000000.0 / interval_float);
1982 	if (DO_BIC(BIC_SYS_LPI))
1983 		outp +=
1984 		    sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->sys_lpi / 1000000.0 / interval_float);
1985 
1986 	if (DO_BIC(BIC_PkgWatt))
1987 		outp +=
1988 		    sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units / interval_float);
1989 
1990 	if (DO_BIC(BIC_CorWatt) && !platform->has_per_core_rapl)
1991 		outp +=
1992 		    sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units / interval_float);
1993 	if (DO_BIC(BIC_GFXWatt))
1994 		outp +=
1995 		    sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units / interval_float);
1996 	if (DO_BIC(BIC_RAMWatt))
1997 		outp +=
1998 		    sprintf(outp, fmt8, (printed++ ? delim : ""),
1999 			    p->energy_dram * rapl_dram_energy_units / interval_float);
2000 	if (DO_BIC(BIC_Pkg_J))
2001 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units);
2002 	if (DO_BIC(BIC_Cor_J) && !platform->has_per_core_rapl)
2003 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units);
2004 	if (DO_BIC(BIC_GFX_J))
2005 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units);
2006 	if (DO_BIC(BIC_RAM_J))
2007 		outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units);
2008 	if (DO_BIC(BIC_PKG__))
2009 		outp +=
2010 		    sprintf(outp, fmt8, (printed++ ? delim : ""),
2011 			    100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
2012 	if (DO_BIC(BIC_RAM__))
2013 		outp +=
2014 		    sprintf(outp, fmt8, (printed++ ? delim : ""),
2015 			    100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
2016 	/* UncMHz */
2017 	if (DO_BIC(BIC_UNCORE_MHZ))
2018 		outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->uncore_mhz);
2019 
2020 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
2021 		if (mp->format == FORMAT_RAW) {
2022 			if (mp->width == 32)
2023 				outp +=
2024 				    sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int)p->counter[i]);
2025 			else
2026 				outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), p->counter[i]);
2027 		} else if (mp->format == FORMAT_DELTA) {
2028 			if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns)
2029 				outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), p->counter[i]);
2030 			else
2031 				outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), p->counter[i]);
2032 		} else if (mp->format == FORMAT_PERCENT) {
2033 			outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->counter[i] / tsc);
2034 		}
2035 	}
2036 
2037 done:
2038 	if (*(outp - 1) != '\n')
2039 		outp += sprintf(outp, "\n");
2040 
2041 	return 0;
2042 }
2043 
2044 void flush_output_stdout(void)
2045 {
2046 	FILE *filep;
2047 
2048 	if (outf == stderr)
2049 		filep = stdout;
2050 	else
2051 		filep = outf;
2052 
2053 	fputs(output_buffer, filep);
2054 	fflush(filep);
2055 
2056 	outp = output_buffer;
2057 }
2058 
2059 void flush_output_stderr(void)
2060 {
2061 	fputs(output_buffer, outf);
2062 	fflush(outf);
2063 	outp = output_buffer;
2064 }
2065 
2066 void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2067 {
2068 	static int count;
2069 
2070 	if ((!count || (header_iterations && !(count % header_iterations))) || !summary_only)
2071 		print_header("\t");
2072 
2073 	format_counters(&average.threads, &average.cores, &average.packages);
2074 
2075 	count++;
2076 
2077 	if (summary_only)
2078 		return;
2079 
2080 	for_all_cpus(format_counters, t, c, p);
2081 }
2082 
2083 #define DELTA_WRAP32(new, old)			\
2084 	old = ((((unsigned long long)new << 32) - ((unsigned long long)old << 32)) >> 32);
2085 
2086 int delta_package(struct pkg_data *new, struct pkg_data *old)
2087 {
2088 	int i;
2089 	struct msr_counter *mp;
2090 
2091 	if (DO_BIC(BIC_Totl_c0))
2092 		old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0;
2093 	if (DO_BIC(BIC_Any_c0))
2094 		old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0;
2095 	if (DO_BIC(BIC_GFX_c0))
2096 		old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0;
2097 	if (DO_BIC(BIC_CPUGFX))
2098 		old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0;
2099 
2100 	old->pc2 = new->pc2 - old->pc2;
2101 	if (DO_BIC(BIC_Pkgpc3))
2102 		old->pc3 = new->pc3 - old->pc3;
2103 	if (DO_BIC(BIC_Pkgpc6))
2104 		old->pc6 = new->pc6 - old->pc6;
2105 	if (DO_BIC(BIC_Pkgpc7))
2106 		old->pc7 = new->pc7 - old->pc7;
2107 	old->pc8 = new->pc8 - old->pc8;
2108 	old->pc9 = new->pc9 - old->pc9;
2109 	old->pc10 = new->pc10 - old->pc10;
2110 	old->cpu_lpi = new->cpu_lpi - old->cpu_lpi;
2111 	old->sys_lpi = new->sys_lpi - old->sys_lpi;
2112 	old->pkg_temp_c = new->pkg_temp_c;
2113 
2114 	/* flag an error when rc6 counter resets/wraps */
2115 	if (old->gfx_rc6_ms > new->gfx_rc6_ms)
2116 		old->gfx_rc6_ms = -1;
2117 	else
2118 		old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms;
2119 
2120 	old->uncore_mhz = new->uncore_mhz;
2121 	old->gfx_mhz = new->gfx_mhz;
2122 	old->gfx_act_mhz = new->gfx_act_mhz;
2123 
2124 	old->energy_pkg = new->energy_pkg - old->energy_pkg;
2125 	old->energy_cores = new->energy_cores - old->energy_cores;
2126 	old->energy_gfx = new->energy_gfx - old->energy_gfx;
2127 	old->energy_dram = new->energy_dram - old->energy_dram;
2128 	old->rapl_pkg_perf_status = new->rapl_pkg_perf_status - old->rapl_pkg_perf_status;
2129 	old->rapl_dram_perf_status = new->rapl_dram_perf_status - old->rapl_dram_perf_status;
2130 
2131 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
2132 		if (mp->format == FORMAT_RAW)
2133 			old->counter[i] = new->counter[i];
2134 		else
2135 			old->counter[i] = new->counter[i] - old->counter[i];
2136 	}
2137 
2138 	return 0;
2139 }
2140 
2141 void delta_core(struct core_data *new, struct core_data *old)
2142 {
2143 	int i;
2144 	struct msr_counter *mp;
2145 
2146 	old->c3 = new->c3 - old->c3;
2147 	old->c6 = new->c6 - old->c6;
2148 	old->c7 = new->c7 - old->c7;
2149 	old->core_temp_c = new->core_temp_c;
2150 	old->core_throt_cnt = new->core_throt_cnt;
2151 	old->mc6_us = new->mc6_us - old->mc6_us;
2152 
2153 	DELTA_WRAP32(new->core_energy, old->core_energy);
2154 
2155 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
2156 		if (mp->format == FORMAT_RAW)
2157 			old->counter[i] = new->counter[i];
2158 		else
2159 			old->counter[i] = new->counter[i] - old->counter[i];
2160 	}
2161 }
2162 
2163 int soft_c1_residency_display(int bic)
2164 {
2165 	if (!DO_BIC(BIC_CPU_c1) || platform->has_msr_core_c1_res)
2166 		return 0;
2167 
2168 	return DO_BIC_READ(bic);
2169 }
2170 
2171 /*
2172  * old = new - old
2173  */
2174 int delta_thread(struct thread_data *new, struct thread_data *old, struct core_data *core_delta)
2175 {
2176 	int i;
2177 	struct msr_counter *mp;
2178 
2179 	/* we run cpuid just the 1st time, copy the results */
2180 	if (DO_BIC(BIC_APIC))
2181 		new->apic_id = old->apic_id;
2182 	if (DO_BIC(BIC_X2APIC))
2183 		new->x2apic_id = old->x2apic_id;
2184 
2185 	/*
2186 	 * the timestamps from start of measurement interval are in "old"
2187 	 * the timestamp from end of measurement interval are in "new"
2188 	 * over-write old w/ new so we can print end of interval values
2189 	 */
2190 
2191 	timersub(&new->tv_begin, &old->tv_begin, &old->tv_delta);
2192 	old->tv_begin = new->tv_begin;
2193 	old->tv_end = new->tv_end;
2194 
2195 	old->tsc = new->tsc - old->tsc;
2196 
2197 	/* check for TSC < 1 Mcycles over interval */
2198 	if (old->tsc < (1000 * 1000))
2199 		errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
2200 		     "You can disable all c-states by booting with \"idle=poll\"\n"
2201 		     "or just the deep ones with \"processor.max_cstate=1\"");
2202 
2203 	old->c1 = new->c1 - old->c1;
2204 
2205 	if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz) || DO_BIC(BIC_IPC)
2206 	    || soft_c1_residency_display(BIC_Avg_MHz)) {
2207 		if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
2208 			old->aperf = new->aperf - old->aperf;
2209 			old->mperf = new->mperf - old->mperf;
2210 		} else {
2211 			return -1;
2212 		}
2213 	}
2214 
2215 	if (platform->has_msr_core_c1_res) {
2216 		/*
2217 		 * Some models have a dedicated C1 residency MSR,
2218 		 * which should be more accurate than the derivation below.
2219 		 */
2220 	} else {
2221 		/*
2222 		 * As counter collection is not atomic,
2223 		 * it is possible for mperf's non-halted cycles + idle states
2224 		 * to exceed TSC's all cycles: show c1 = 0% in that case.
2225 		 */
2226 		if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > (old->tsc * tsc_tweak))
2227 			old->c1 = 0;
2228 		else {
2229 			/* normal case, derive c1 */
2230 			old->c1 = (old->tsc * tsc_tweak) - old->mperf - core_delta->c3
2231 			    - core_delta->c6 - core_delta->c7;
2232 		}
2233 	}
2234 
2235 	if (old->mperf == 0) {
2236 		if (debug > 1)
2237 			fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id);
2238 		old->mperf = 1;	/* divide by 0 protection */
2239 	}
2240 
2241 	if (DO_BIC(BIC_IPC))
2242 		old->instr_count = new->instr_count - old->instr_count;
2243 
2244 	if (DO_BIC(BIC_IRQ))
2245 		old->irq_count = new->irq_count - old->irq_count;
2246 
2247 	if (DO_BIC(BIC_SMI))
2248 		old->smi_count = new->smi_count - old->smi_count;
2249 
2250 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
2251 		if (mp->format == FORMAT_RAW)
2252 			old->counter[i] = new->counter[i];
2253 		else
2254 			old->counter[i] = new->counter[i] - old->counter[i];
2255 	}
2256 	return 0;
2257 }
2258 
2259 int delta_cpu(struct thread_data *t, struct core_data *c,
2260 	      struct pkg_data *p, struct thread_data *t2, struct core_data *c2, struct pkg_data *p2)
2261 {
2262 	int retval = 0;
2263 
2264 	/* calculate core delta only for 1st thread in core */
2265 	if (is_cpu_first_thread_in_core(t, c, p))
2266 		delta_core(c, c2);
2267 
2268 	/* always calculate thread delta */
2269 	retval = delta_thread(t, t2, c2);	/* c2 is core delta */
2270 	if (retval)
2271 		return retval;
2272 
2273 	/* calculate package delta only for 1st core in package */
2274 	if (is_cpu_first_core_in_package(t, c, p))
2275 		retval = delta_package(p, p2);
2276 
2277 	return retval;
2278 }
2279 
2280 void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2281 {
2282 	int i;
2283 	struct msr_counter *mp;
2284 
2285 	t->tv_begin.tv_sec = 0;
2286 	t->tv_begin.tv_usec = 0;
2287 	t->tv_end.tv_sec = 0;
2288 	t->tv_end.tv_usec = 0;
2289 	t->tv_delta.tv_sec = 0;
2290 	t->tv_delta.tv_usec = 0;
2291 
2292 	t->tsc = 0;
2293 	t->aperf = 0;
2294 	t->mperf = 0;
2295 	t->c1 = 0;
2296 
2297 	t->instr_count = 0;
2298 
2299 	t->irq_count = 0;
2300 	t->smi_count = 0;
2301 
2302 	c->c3 = 0;
2303 	c->c6 = 0;
2304 	c->c7 = 0;
2305 	c->mc6_us = 0;
2306 	c->core_temp_c = 0;
2307 	c->core_energy = 0;
2308 	c->core_throt_cnt = 0;
2309 
2310 	p->pkg_wtd_core_c0 = 0;
2311 	p->pkg_any_core_c0 = 0;
2312 	p->pkg_any_gfxe_c0 = 0;
2313 	p->pkg_both_core_gfxe_c0 = 0;
2314 
2315 	p->pc2 = 0;
2316 	if (DO_BIC(BIC_Pkgpc3))
2317 		p->pc3 = 0;
2318 	if (DO_BIC(BIC_Pkgpc6))
2319 		p->pc6 = 0;
2320 	if (DO_BIC(BIC_Pkgpc7))
2321 		p->pc7 = 0;
2322 	p->pc8 = 0;
2323 	p->pc9 = 0;
2324 	p->pc10 = 0;
2325 	p->cpu_lpi = 0;
2326 	p->sys_lpi = 0;
2327 
2328 	p->energy_pkg = 0;
2329 	p->energy_dram = 0;
2330 	p->energy_cores = 0;
2331 	p->energy_gfx = 0;
2332 	p->rapl_pkg_perf_status = 0;
2333 	p->rapl_dram_perf_status = 0;
2334 	p->pkg_temp_c = 0;
2335 
2336 	p->gfx_rc6_ms = 0;
2337 	p->uncore_mhz = 0;
2338 	p->gfx_mhz = 0;
2339 	p->gfx_act_mhz = 0;
2340 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next)
2341 		t->counter[i] = 0;
2342 
2343 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next)
2344 		c->counter[i] = 0;
2345 
2346 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next)
2347 		p->counter[i] = 0;
2348 }
2349 
2350 int sum_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2351 {
2352 	int i;
2353 	struct msr_counter *mp;
2354 
2355 	/* copy un-changing apic_id's */
2356 	if (DO_BIC(BIC_APIC))
2357 		average.threads.apic_id = t->apic_id;
2358 	if (DO_BIC(BIC_X2APIC))
2359 		average.threads.x2apic_id = t->x2apic_id;
2360 
2361 	/* remember first tv_begin */
2362 	if (average.threads.tv_begin.tv_sec == 0)
2363 		average.threads.tv_begin = t->tv_begin;
2364 
2365 	/* remember last tv_end */
2366 	average.threads.tv_end = t->tv_end;
2367 
2368 	average.threads.tsc += t->tsc;
2369 	average.threads.aperf += t->aperf;
2370 	average.threads.mperf += t->mperf;
2371 	average.threads.c1 += t->c1;
2372 
2373 	average.threads.instr_count += t->instr_count;
2374 
2375 	average.threads.irq_count += t->irq_count;
2376 	average.threads.smi_count += t->smi_count;
2377 
2378 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
2379 		if (mp->format == FORMAT_RAW)
2380 			continue;
2381 		average.threads.counter[i] += t->counter[i];
2382 	}
2383 
2384 	/* sum per-core values only for 1st thread in core */
2385 	if (!is_cpu_first_thread_in_core(t, c, p))
2386 		return 0;
2387 
2388 	average.cores.c3 += c->c3;
2389 	average.cores.c6 += c->c6;
2390 	average.cores.c7 += c->c7;
2391 	average.cores.mc6_us += c->mc6_us;
2392 
2393 	average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
2394 	average.cores.core_throt_cnt = MAX(average.cores.core_throt_cnt, c->core_throt_cnt);
2395 
2396 	average.cores.core_energy += c->core_energy;
2397 
2398 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
2399 		if (mp->format == FORMAT_RAW)
2400 			continue;
2401 		average.cores.counter[i] += c->counter[i];
2402 	}
2403 
2404 	/* sum per-pkg values only for 1st core in pkg */
2405 	if (!is_cpu_first_core_in_package(t, c, p))
2406 		return 0;
2407 
2408 	if (DO_BIC(BIC_Totl_c0))
2409 		average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0;
2410 	if (DO_BIC(BIC_Any_c0))
2411 		average.packages.pkg_any_core_c0 += p->pkg_any_core_c0;
2412 	if (DO_BIC(BIC_GFX_c0))
2413 		average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0;
2414 	if (DO_BIC(BIC_CPUGFX))
2415 		average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0;
2416 
2417 	average.packages.pc2 += p->pc2;
2418 	if (DO_BIC(BIC_Pkgpc3))
2419 		average.packages.pc3 += p->pc3;
2420 	if (DO_BIC(BIC_Pkgpc6))
2421 		average.packages.pc6 += p->pc6;
2422 	if (DO_BIC(BIC_Pkgpc7))
2423 		average.packages.pc7 += p->pc7;
2424 	average.packages.pc8 += p->pc8;
2425 	average.packages.pc9 += p->pc9;
2426 	average.packages.pc10 += p->pc10;
2427 
2428 	average.packages.cpu_lpi = p->cpu_lpi;
2429 	average.packages.sys_lpi = p->sys_lpi;
2430 
2431 	average.packages.energy_pkg += p->energy_pkg;
2432 	average.packages.energy_dram += p->energy_dram;
2433 	average.packages.energy_cores += p->energy_cores;
2434 	average.packages.energy_gfx += p->energy_gfx;
2435 
2436 	average.packages.gfx_rc6_ms = p->gfx_rc6_ms;
2437 	average.packages.uncore_mhz = p->uncore_mhz;
2438 	average.packages.gfx_mhz = p->gfx_mhz;
2439 	average.packages.gfx_act_mhz = p->gfx_act_mhz;
2440 
2441 	average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
2442 
2443 	average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
2444 	average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
2445 
2446 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
2447 		if (mp->format == FORMAT_RAW)
2448 			continue;
2449 		average.packages.counter[i] += p->counter[i];
2450 	}
2451 	return 0;
2452 }
2453 
2454 /*
2455  * sum the counters for all cpus in the system
2456  * compute the weighted average
2457  */
2458 void compute_average(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2459 {
2460 	int i;
2461 	struct msr_counter *mp;
2462 
2463 	clear_counters(&average.threads, &average.cores, &average.packages);
2464 
2465 	for_all_cpus(sum_counters, t, c, p);
2466 
2467 	/* Use the global time delta for the average. */
2468 	average.threads.tv_delta = tv_delta;
2469 
2470 	average.threads.tsc /= topo.allowed_cpus;
2471 	average.threads.aperf /= topo.allowed_cpus;
2472 	average.threads.mperf /= topo.allowed_cpus;
2473 	average.threads.instr_count /= topo.allowed_cpus;
2474 	average.threads.c1 /= topo.allowed_cpus;
2475 
2476 	if (average.threads.irq_count > 9999999)
2477 		sums_need_wide_columns = 1;
2478 
2479 	average.cores.c3 /= topo.allowed_cores;
2480 	average.cores.c6 /= topo.allowed_cores;
2481 	average.cores.c7 /= topo.allowed_cores;
2482 	average.cores.mc6_us /= topo.allowed_cores;
2483 
2484 	if (DO_BIC(BIC_Totl_c0))
2485 		average.packages.pkg_wtd_core_c0 /= topo.allowed_packages;
2486 	if (DO_BIC(BIC_Any_c0))
2487 		average.packages.pkg_any_core_c0 /= topo.allowed_packages;
2488 	if (DO_BIC(BIC_GFX_c0))
2489 		average.packages.pkg_any_gfxe_c0 /= topo.allowed_packages;
2490 	if (DO_BIC(BIC_CPUGFX))
2491 		average.packages.pkg_both_core_gfxe_c0 /= topo.allowed_packages;
2492 
2493 	average.packages.pc2 /= topo.allowed_packages;
2494 	if (DO_BIC(BIC_Pkgpc3))
2495 		average.packages.pc3 /= topo.allowed_packages;
2496 	if (DO_BIC(BIC_Pkgpc6))
2497 		average.packages.pc6 /= topo.allowed_packages;
2498 	if (DO_BIC(BIC_Pkgpc7))
2499 		average.packages.pc7 /= topo.allowed_packages;
2500 
2501 	average.packages.pc8 /= topo.allowed_packages;
2502 	average.packages.pc9 /= topo.allowed_packages;
2503 	average.packages.pc10 /= topo.allowed_packages;
2504 
2505 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
2506 		if (mp->format == FORMAT_RAW)
2507 			continue;
2508 		if (mp->type == COUNTER_ITEMS) {
2509 			if (average.threads.counter[i] > 9999999)
2510 				sums_need_wide_columns = 1;
2511 			continue;
2512 		}
2513 		average.threads.counter[i] /= topo.allowed_cpus;
2514 	}
2515 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
2516 		if (mp->format == FORMAT_RAW)
2517 			continue;
2518 		if (mp->type == COUNTER_ITEMS) {
2519 			if (average.cores.counter[i] > 9999999)
2520 				sums_need_wide_columns = 1;
2521 		}
2522 		average.cores.counter[i] /= topo.allowed_cores;
2523 	}
2524 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
2525 		if (mp->format == FORMAT_RAW)
2526 			continue;
2527 		if (mp->type == COUNTER_ITEMS) {
2528 			if (average.packages.counter[i] > 9999999)
2529 				sums_need_wide_columns = 1;
2530 		}
2531 		average.packages.counter[i] /= topo.allowed_packages;
2532 	}
2533 }
2534 
2535 static unsigned long long rdtsc(void)
2536 {
2537 	unsigned int low, high;
2538 
2539 	asm volatile ("rdtsc":"=a" (low), "=d"(high));
2540 
2541 	return low | ((unsigned long long)high) << 32;
2542 }
2543 
2544 /*
2545  * Open a file, and exit on failure
2546  */
2547 FILE *fopen_or_die(const char *path, const char *mode)
2548 {
2549 	FILE *filep = fopen(path, mode);
2550 
2551 	if (!filep)
2552 		err(1, "%s: open failed", path);
2553 	return filep;
2554 }
2555 
2556 /*
2557  * snapshot_sysfs_counter()
2558  *
2559  * return snapshot of given counter
2560  */
2561 unsigned long long snapshot_sysfs_counter(char *path)
2562 {
2563 	FILE *fp;
2564 	int retval;
2565 	unsigned long long counter;
2566 
2567 	fp = fopen_or_die(path, "r");
2568 
2569 	retval = fscanf(fp, "%lld", &counter);
2570 	if (retval != 1)
2571 		err(1, "snapshot_sysfs_counter(%s)", path);
2572 
2573 	fclose(fp);
2574 
2575 	return counter;
2576 }
2577 
2578 int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp)
2579 {
2580 	if (mp->msr_num != 0) {
2581 		if (get_msr(cpu, mp->msr_num, counterp))
2582 			return -1;
2583 	} else {
2584 		char path[128 + PATH_BYTES];
2585 
2586 		if (mp->flags & SYSFS_PERCPU) {
2587 			sprintf(path, "/sys/devices/system/cpu/cpu%d/%s", cpu, mp->path);
2588 
2589 			*counterp = snapshot_sysfs_counter(path);
2590 		} else {
2591 			*counterp = snapshot_sysfs_counter(mp->path);
2592 		}
2593 	}
2594 
2595 	return 0;
2596 }
2597 
2598 unsigned long long get_uncore_mhz(int package, int die)
2599 {
2600 	char path[128];
2601 
2602 	sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/current_freq_khz", package,
2603 		die);
2604 
2605 	return (snapshot_sysfs_counter(path) / 1000);
2606 }
2607 
2608 int get_epb(int cpu)
2609 {
2610 	char path[128 + PATH_BYTES];
2611 	unsigned long long msr;
2612 	int ret, epb = -1;
2613 	FILE *fp;
2614 
2615 	sprintf(path, "/sys/devices/system/cpu/cpu%d/power/energy_perf_bias", cpu);
2616 
2617 	fp = fopen(path, "r");
2618 	if (!fp)
2619 		goto msr_fallback;
2620 
2621 	ret = fscanf(fp, "%d", &epb);
2622 	if (ret != 1)
2623 		err(1, "%s(%s)", __func__, path);
2624 
2625 	fclose(fp);
2626 
2627 	return epb;
2628 
2629 msr_fallback:
2630 	get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr);
2631 
2632 	return msr & 0xf;
2633 }
2634 
2635 void get_apic_id(struct thread_data *t)
2636 {
2637 	unsigned int eax, ebx, ecx, edx;
2638 
2639 	if (DO_BIC(BIC_APIC)) {
2640 		eax = ebx = ecx = edx = 0;
2641 		__cpuid(1, eax, ebx, ecx, edx);
2642 
2643 		t->apic_id = (ebx >> 24) & 0xff;
2644 	}
2645 
2646 	if (!DO_BIC(BIC_X2APIC))
2647 		return;
2648 
2649 	if (authentic_amd || hygon_genuine) {
2650 		unsigned int topology_extensions;
2651 
2652 		if (max_extended_level < 0x8000001e)
2653 			return;
2654 
2655 		eax = ebx = ecx = edx = 0;
2656 		__cpuid(0x80000001, eax, ebx, ecx, edx);
2657 		topology_extensions = ecx & (1 << 22);
2658 
2659 		if (topology_extensions == 0)
2660 			return;
2661 
2662 		eax = ebx = ecx = edx = 0;
2663 		__cpuid(0x8000001e, eax, ebx, ecx, edx);
2664 
2665 		t->x2apic_id = eax;
2666 		return;
2667 	}
2668 
2669 	if (!genuine_intel)
2670 		return;
2671 
2672 	if (max_level < 0xb)
2673 		return;
2674 
2675 	ecx = 0;
2676 	__cpuid(0xb, eax, ebx, ecx, edx);
2677 	t->x2apic_id = edx;
2678 
2679 	if (debug && (t->apic_id != (t->x2apic_id & 0xff)))
2680 		fprintf(outf, "cpu%d: BIOS BUG: apic 0x%x x2apic 0x%x\n", t->cpu_id, t->apic_id, t->x2apic_id);
2681 }
2682 
2683 int get_core_throt_cnt(int cpu, unsigned long long *cnt)
2684 {
2685 	char path[128 + PATH_BYTES];
2686 	unsigned long long tmp;
2687 	FILE *fp;
2688 	int ret;
2689 
2690 	sprintf(path, "/sys/devices/system/cpu/cpu%d/thermal_throttle/core_throttle_count", cpu);
2691 	fp = fopen(path, "r");
2692 	if (!fp)
2693 		return -1;
2694 	ret = fscanf(fp, "%lld", &tmp);
2695 	fclose(fp);
2696 	if (ret != 1)
2697 		return -1;
2698 	*cnt = tmp;
2699 
2700 	return 0;
2701 }
2702 
2703 /*
2704  * get_counters(...)
2705  * migrate to cpu
2706  * acquire and record local counters for that cpu
2707  */
2708 int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
2709 {
2710 	int cpu = t->cpu_id;
2711 	unsigned long long msr;
2712 	int aperf_mperf_retry_count = 0;
2713 	struct msr_counter *mp;
2714 	int i;
2715 
2716 	if (cpu_migrate(cpu)) {
2717 		fprintf(outf, "get_counters: Could not migrate to CPU %d\n", cpu);
2718 		return -1;
2719 	}
2720 
2721 	gettimeofday(&t->tv_begin, (struct timezone *)NULL);
2722 
2723 	if (first_counter_read)
2724 		get_apic_id(t);
2725 retry:
2726 	t->tsc = rdtsc();	/* we are running on local CPU of interest */
2727 
2728 	if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz) || DO_BIC(BIC_IPC)
2729 	    || soft_c1_residency_display(BIC_Avg_MHz)) {
2730 		unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time;
2731 
2732 		/*
2733 		 * The TSC, APERF and MPERF must be read together for
2734 		 * APERF/MPERF and MPERF/TSC to give accurate results.
2735 		 *
2736 		 * Unfortunately, APERF and MPERF are read by
2737 		 * individual system call, so delays may occur
2738 		 * between them.  If the time to read them
2739 		 * varies by a large amount, we re-read them.
2740 		 */
2741 
2742 		/*
2743 		 * This initial dummy APERF read has been seen to
2744 		 * reduce jitter in the subsequent reads.
2745 		 */
2746 
2747 		if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
2748 			return -3;
2749 
2750 		t->tsc = rdtsc();	/* re-read close to APERF */
2751 
2752 		tsc_before = t->tsc;
2753 
2754 		if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
2755 			return -3;
2756 
2757 		tsc_between = rdtsc();
2758 
2759 		if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
2760 			return -4;
2761 
2762 		tsc_after = rdtsc();
2763 
2764 		aperf_time = tsc_between - tsc_before;
2765 		mperf_time = tsc_after - tsc_between;
2766 
2767 		/*
2768 		 * If the system call latency to read APERF and MPERF
2769 		 * differ by more than 2x, then try again.
2770 		 */
2771 		if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) {
2772 			aperf_mperf_retry_count++;
2773 			if (aperf_mperf_retry_count < 5)
2774 				goto retry;
2775 			else
2776 				warnx("cpu%d jitter %lld %lld", cpu, aperf_time, mperf_time);
2777 		}
2778 		aperf_mperf_retry_count = 0;
2779 
2780 		t->aperf = t->aperf * aperf_mperf_multiplier;
2781 		t->mperf = t->mperf * aperf_mperf_multiplier;
2782 	}
2783 
2784 	if (DO_BIC(BIC_IPC))
2785 		if (read(get_instr_count_fd(cpu), &t->instr_count, sizeof(long long)) != sizeof(long long))
2786 			return -4;
2787 
2788 	if (DO_BIC(BIC_IRQ))
2789 		t->irq_count = irqs_per_cpu[cpu];
2790 	if (DO_BIC(BIC_SMI)) {
2791 		if (get_msr(cpu, MSR_SMI_COUNT, &msr))
2792 			return -5;
2793 		t->smi_count = msr & 0xFFFFFFFF;
2794 	}
2795 	if (DO_BIC(BIC_CPU_c1) && platform->has_msr_core_c1_res) {
2796 		if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
2797 			return -6;
2798 	}
2799 
2800 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
2801 		if (get_mp(cpu, mp, &t->counter[i]))
2802 			return -10;
2803 	}
2804 
2805 	/* collect core counters only for 1st thread in core */
2806 	if (!is_cpu_first_thread_in_core(t, c, p))
2807 		goto done;
2808 
2809 	if (DO_BIC(BIC_CPU_c3) || soft_c1_residency_display(BIC_CPU_c3)) {
2810 		if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
2811 			return -6;
2812 	}
2813 
2814 	if ((DO_BIC(BIC_CPU_c6) || soft_c1_residency_display(BIC_CPU_c6)) && !platform->has_msr_knl_core_c6_residency) {
2815 		if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
2816 			return -7;
2817 	} else if (platform->has_msr_knl_core_c6_residency && soft_c1_residency_display(BIC_CPU_c6)) {
2818 		if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6))
2819 			return -7;
2820 	}
2821 
2822 	if (DO_BIC(BIC_CPU_c7) || soft_c1_residency_display(BIC_CPU_c7)) {
2823 		if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
2824 			return -8;
2825 		else if (t->is_atom) {
2826 			/*
2827 			 * For Atom CPUs that has core cstate deeper than c6,
2828 			 * MSR_CORE_C6_RESIDENCY returns residency of cc6 and deeper.
2829 			 * Minus CC7 (and deeper cstates) residency to get
2830 			 * accturate cc6 residency.
2831 			 */
2832 			c->c6 -= c->c7;
2833 		}
2834 	}
2835 
2836 	if (DO_BIC(BIC_Mod_c6))
2837 		if (get_msr(cpu, MSR_MODULE_C6_RES_MS, &c->mc6_us))
2838 			return -8;
2839 
2840 	if (DO_BIC(BIC_CoreTmp)) {
2841 		if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
2842 			return -9;
2843 		c->core_temp_c = tj_max - ((msr >> 16) & 0x7F);
2844 	}
2845 
2846 	if (DO_BIC(BIC_CORE_THROT_CNT))
2847 		get_core_throt_cnt(cpu, &c->core_throt_cnt);
2848 
2849 	if (platform->rapl_msrs & RAPL_AMD_F17H) {
2850 		if (get_msr(cpu, MSR_CORE_ENERGY_STAT, &msr))
2851 			return -14;
2852 		c->core_energy = msr & 0xFFFFFFFF;
2853 	}
2854 
2855 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
2856 		if (get_mp(cpu, mp, &c->counter[i]))
2857 			return -10;
2858 	}
2859 
2860 	/* collect package counters only for 1st core in package */
2861 	if (!is_cpu_first_core_in_package(t, c, p))
2862 		goto done;
2863 
2864 	if (DO_BIC(BIC_Totl_c0)) {
2865 		if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0))
2866 			return -10;
2867 	}
2868 	if (DO_BIC(BIC_Any_c0)) {
2869 		if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0))
2870 			return -11;
2871 	}
2872 	if (DO_BIC(BIC_GFX_c0)) {
2873 		if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0))
2874 			return -12;
2875 	}
2876 	if (DO_BIC(BIC_CPUGFX)) {
2877 		if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0))
2878 			return -13;
2879 	}
2880 	if (DO_BIC(BIC_Pkgpc3))
2881 		if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
2882 			return -9;
2883 	if (DO_BIC(BIC_Pkgpc6)) {
2884 		if (platform->has_msr_atom_pkg_c6_residency) {
2885 			if (get_msr(cpu, MSR_ATOM_PKG_C6_RESIDENCY, &p->pc6))
2886 				return -10;
2887 		} else {
2888 			if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
2889 				return -10;
2890 		}
2891 	}
2892 
2893 	if (DO_BIC(BIC_Pkgpc2))
2894 		if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
2895 			return -11;
2896 	if (DO_BIC(BIC_Pkgpc7))
2897 		if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
2898 			return -12;
2899 	if (DO_BIC(BIC_Pkgpc8))
2900 		if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
2901 			return -13;
2902 	if (DO_BIC(BIC_Pkgpc9))
2903 		if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
2904 			return -13;
2905 	if (DO_BIC(BIC_Pkgpc10))
2906 		if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
2907 			return -13;
2908 
2909 	if (DO_BIC(BIC_CPU_LPI))
2910 		p->cpu_lpi = cpuidle_cur_cpu_lpi_us;
2911 	if (DO_BIC(BIC_SYS_LPI))
2912 		p->sys_lpi = cpuidle_cur_sys_lpi_us;
2913 
2914 	if (platform->rapl_msrs & RAPL_PKG) {
2915 		if (get_msr_sum(cpu, MSR_PKG_ENERGY_STATUS, &msr))
2916 			return -13;
2917 		p->energy_pkg = msr;
2918 	}
2919 	if (platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS) {
2920 		if (get_msr_sum(cpu, MSR_PP0_ENERGY_STATUS, &msr))
2921 			return -14;
2922 		p->energy_cores = msr;
2923 	}
2924 	if (platform->rapl_msrs & RAPL_DRAM) {
2925 		if (get_msr_sum(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
2926 			return -15;
2927 		p->energy_dram = msr;
2928 	}
2929 	if (platform->rapl_msrs & RAPL_GFX) {
2930 		if (get_msr_sum(cpu, MSR_PP1_ENERGY_STATUS, &msr))
2931 			return -16;
2932 		p->energy_gfx = msr;
2933 	}
2934 	if (platform->rapl_msrs & RAPL_PKG_PERF_STATUS) {
2935 		if (get_msr_sum(cpu, MSR_PKG_PERF_STATUS, &msr))
2936 			return -16;
2937 		p->rapl_pkg_perf_status = msr;
2938 	}
2939 	if (platform->rapl_msrs & RAPL_DRAM_PERF_STATUS) {
2940 		if (get_msr_sum(cpu, MSR_DRAM_PERF_STATUS, &msr))
2941 			return -16;
2942 		p->rapl_dram_perf_status = msr;
2943 	}
2944 	if (platform->rapl_msrs & RAPL_AMD_F17H) {
2945 		if (get_msr_sum(cpu, MSR_PKG_ENERGY_STAT, &msr))
2946 			return -13;
2947 		p->energy_pkg = msr;
2948 	}
2949 	if (DO_BIC(BIC_PkgTmp)) {
2950 		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
2951 			return -17;
2952 		p->pkg_temp_c = tj_max - ((msr >> 16) & 0x7F);
2953 	}
2954 
2955 	if (DO_BIC(BIC_GFX_rc6))
2956 		p->gfx_rc6_ms = gfx_cur_rc6_ms;
2957 
2958 	/* n.b. assume die0 uncore frequency applies to whole package */
2959 	if (DO_BIC(BIC_UNCORE_MHZ))
2960 		p->uncore_mhz = get_uncore_mhz(p->package_id, 0);
2961 
2962 	if (DO_BIC(BIC_GFXMHz))
2963 		p->gfx_mhz = gfx_cur_mhz;
2964 
2965 	if (DO_BIC(BIC_GFXACTMHz))
2966 		p->gfx_act_mhz = gfx_act_mhz;
2967 
2968 	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
2969 		if (get_mp(cpu, mp, &p->counter[i]))
2970 			return -10;
2971 	}
2972 done:
2973 	gettimeofday(&t->tv_end, (struct timezone *)NULL);
2974 
2975 	return 0;
2976 }
2977 
2978 /*
2979  * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit:
2980  * If you change the values, note they are used both in comparisons
2981  * (>= PCL__7) and to index pkg_cstate_limit_strings[].
2982  */
2983 
2984 #define PCLUKN 0		/* Unknown */
2985 #define PCLRSV 1		/* Reserved */
2986 #define PCL__0 2		/* PC0 */
2987 #define PCL__1 3		/* PC1 */
2988 #define PCL__2 4		/* PC2 */
2989 #define PCL__3 5		/* PC3 */
2990 #define PCL__4 6		/* PC4 */
2991 #define PCL__6 7		/* PC6 */
2992 #define PCL_6N 8		/* PC6 No Retention */
2993 #define PCL_6R 9		/* PC6 Retention */
2994 #define PCL__7 10		/* PC7 */
2995 #define PCL_7S 11		/* PC7 Shrink */
2996 #define PCL__8 12		/* PC8 */
2997 #define PCL__9 13		/* PC9 */
2998 #define PCL_10 14		/* PC10 */
2999 #define PCLUNL 15		/* Unlimited */
3000 
3001 int pkg_cstate_limit = PCLUKN;
3002 char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
3003 	"pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "pc10", "unlimited"
3004 };
3005 
3006 int nhm_pkg_cstate_limits[16] =
3007     { PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3008 	PCLRSV, PCLRSV
3009 };
3010 
3011 int snb_pkg_cstate_limits[16] =
3012     { PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3013 	PCLRSV, PCLRSV
3014 };
3015 
3016 int hsw_pkg_cstate_limits[16] =
3017     { PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3018 	PCLRSV, PCLRSV
3019 };
3020 
3021 int slv_pkg_cstate_limits[16] =
3022     { PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3023 	PCL__6, PCL__7
3024 };
3025 
3026 int amt_pkg_cstate_limits[16] =
3027     { PCLUNL, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3028 	PCLRSV, PCLRSV
3029 };
3030 
3031 int phi_pkg_cstate_limits[16] =
3032     { PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3033 	PCLRSV, PCLRSV
3034 };
3035 
3036 int glm_pkg_cstate_limits[16] =
3037     { PCLUNL, PCL__1, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCL_10, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3038 	PCLRSV, PCLRSV
3039 };
3040 
3041 int skx_pkg_cstate_limits[16] =
3042     { PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3043 	PCLRSV, PCLRSV
3044 };
3045 
3046 int icx_pkg_cstate_limits[16] =
3047     { PCL__0, PCL__2, PCL__6, PCL__6, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
3048 	PCLRSV, PCLRSV
3049 };
3050 
3051 void probe_cst_limit(void)
3052 {
3053 	unsigned long long msr;
3054 	int *pkg_cstate_limits;
3055 
3056 	if (!platform->has_nhm_msrs)
3057 		return;
3058 
3059 	switch (platform->cst_limit) {
3060 	case CST_LIMIT_NHM:
3061 		pkg_cstate_limits = nhm_pkg_cstate_limits;
3062 		break;
3063 	case CST_LIMIT_SNB:
3064 		pkg_cstate_limits = snb_pkg_cstate_limits;
3065 		break;
3066 	case CST_LIMIT_HSW:
3067 		pkg_cstate_limits = hsw_pkg_cstate_limits;
3068 		break;
3069 	case CST_LIMIT_SKX:
3070 		pkg_cstate_limits = skx_pkg_cstate_limits;
3071 		break;
3072 	case CST_LIMIT_ICX:
3073 		pkg_cstate_limits = icx_pkg_cstate_limits;
3074 		break;
3075 	case CST_LIMIT_SLV:
3076 		pkg_cstate_limits = slv_pkg_cstate_limits;
3077 		break;
3078 	case CST_LIMIT_AMT:
3079 		pkg_cstate_limits = amt_pkg_cstate_limits;
3080 		break;
3081 	case CST_LIMIT_KNL:
3082 		pkg_cstate_limits = phi_pkg_cstate_limits;
3083 		break;
3084 	case CST_LIMIT_GMT:
3085 		pkg_cstate_limits = glm_pkg_cstate_limits;
3086 		break;
3087 	default:
3088 		return;
3089 	}
3090 
3091 	get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr);
3092 	pkg_cstate_limit = pkg_cstate_limits[msr & 0xF];
3093 }
3094 
3095 static void dump_platform_info(void)
3096 {
3097 	unsigned long long msr;
3098 	unsigned int ratio;
3099 
3100 	if (!platform->has_nhm_msrs)
3101 		return;
3102 
3103 	get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
3104 
3105 	fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr);
3106 
3107 	ratio = (msr >> 40) & 0xFF;
3108 	fprintf(outf, "%d * %.1f = %.1f MHz max efficiency frequency\n", ratio, bclk, ratio * bclk);
3109 
3110 	ratio = (msr >> 8) & 0xFF;
3111 	fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n", ratio, bclk, ratio * bclk);
3112 }
3113 
3114 static void dump_power_ctl(void)
3115 {
3116 	unsigned long long msr;
3117 
3118 	if (!platform->has_nhm_msrs)
3119 		return;
3120 
3121 	get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr);
3122 	fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
3123 		base_cpu, msr, msr & 0x2 ? "EN" : "DIS");
3124 
3125 	/* C-state Pre-wake Disable (CSTATE_PREWAKE_DISABLE) */
3126 	if (platform->has_cst_prewake_bit)
3127 		fprintf(outf, "C-state Pre-wake: %sabled\n", msr & 0x40000000 ? "DIS" : "EN");
3128 
3129 	return;
3130 }
3131 
3132 static void dump_turbo_ratio_limit2(void)
3133 {
3134 	unsigned long long msr;
3135 	unsigned int ratio;
3136 
3137 	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr);
3138 
3139 	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr);
3140 
3141 	ratio = (msr >> 8) & 0xFF;
3142 	if (ratio)
3143 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 18 active cores\n", ratio, bclk, ratio * bclk);
3144 
3145 	ratio = (msr >> 0) & 0xFF;
3146 	if (ratio)
3147 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 17 active cores\n", ratio, bclk, ratio * bclk);
3148 	return;
3149 }
3150 
3151 static void dump_turbo_ratio_limit1(void)
3152 {
3153 	unsigned long long msr;
3154 	unsigned int ratio;
3155 
3156 	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr);
3157 
3158 	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr);
3159 
3160 	ratio = (msr >> 56) & 0xFF;
3161 	if (ratio)
3162 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 16 active cores\n", ratio, bclk, ratio * bclk);
3163 
3164 	ratio = (msr >> 48) & 0xFF;
3165 	if (ratio)
3166 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 15 active cores\n", ratio, bclk, ratio * bclk);
3167 
3168 	ratio = (msr >> 40) & 0xFF;
3169 	if (ratio)
3170 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 14 active cores\n", ratio, bclk, ratio * bclk);
3171 
3172 	ratio = (msr >> 32) & 0xFF;
3173 	if (ratio)
3174 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 13 active cores\n", ratio, bclk, ratio * bclk);
3175 
3176 	ratio = (msr >> 24) & 0xFF;
3177 	if (ratio)
3178 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 12 active cores\n", ratio, bclk, ratio * bclk);
3179 
3180 	ratio = (msr >> 16) & 0xFF;
3181 	if (ratio)
3182 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 11 active cores\n", ratio, bclk, ratio * bclk);
3183 
3184 	ratio = (msr >> 8) & 0xFF;
3185 	if (ratio)
3186 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 10 active cores\n", ratio, bclk, ratio * bclk);
3187 
3188 	ratio = (msr >> 0) & 0xFF;
3189 	if (ratio)
3190 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 9 active cores\n", ratio, bclk, ratio * bclk);
3191 	return;
3192 }
3193 
3194 static void dump_turbo_ratio_limits(int trl_msr_offset)
3195 {
3196 	unsigned long long msr, core_counts;
3197 	int shift;
3198 
3199 	get_msr(base_cpu, trl_msr_offset, &msr);
3200 	fprintf(outf, "cpu%d: MSR_%sTURBO_RATIO_LIMIT: 0x%08llx\n",
3201 		base_cpu, trl_msr_offset == MSR_SECONDARY_TURBO_RATIO_LIMIT ? "SECONDARY_" : "", msr);
3202 
3203 	if (platform->trl_msrs & TRL_CORECOUNT) {
3204 		get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts);
3205 		fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, core_counts);
3206 	} else {
3207 		core_counts = 0x0807060504030201;
3208 	}
3209 
3210 	for (shift = 56; shift >= 0; shift -= 8) {
3211 		unsigned int ratio, group_size;
3212 
3213 		ratio = (msr >> shift) & 0xFF;
3214 		group_size = (core_counts >> shift) & 0xFF;
3215 		if (ratio)
3216 			fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
3217 				ratio, bclk, ratio * bclk, group_size);
3218 	}
3219 
3220 	return;
3221 }
3222 
3223 static void dump_atom_turbo_ratio_limits(void)
3224 {
3225 	unsigned long long msr;
3226 	unsigned int ratio;
3227 
3228 	get_msr(base_cpu, MSR_ATOM_CORE_RATIOS, &msr);
3229 	fprintf(outf, "cpu%d: MSR_ATOM_CORE_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF);
3230 
3231 	ratio = (msr >> 0) & 0x3F;
3232 	if (ratio)
3233 		fprintf(outf, "%d * %.1f = %.1f MHz minimum operating frequency\n", ratio, bclk, ratio * bclk);
3234 
3235 	ratio = (msr >> 8) & 0x3F;
3236 	if (ratio)
3237 		fprintf(outf, "%d * %.1f = %.1f MHz low frequency mode (LFM)\n", ratio, bclk, ratio * bclk);
3238 
3239 	ratio = (msr >> 16) & 0x3F;
3240 	if (ratio)
3241 		fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n", ratio, bclk, ratio * bclk);
3242 
3243 	get_msr(base_cpu, MSR_ATOM_CORE_TURBO_RATIOS, &msr);
3244 	fprintf(outf, "cpu%d: MSR_ATOM_CORE_TURBO_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF);
3245 
3246 	ratio = (msr >> 24) & 0x3F;
3247 	if (ratio)
3248 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 4 active cores\n", ratio, bclk, ratio * bclk);
3249 
3250 	ratio = (msr >> 16) & 0x3F;
3251 	if (ratio)
3252 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 3 active cores\n", ratio, bclk, ratio * bclk);
3253 
3254 	ratio = (msr >> 8) & 0x3F;
3255 	if (ratio)
3256 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 2 active cores\n", ratio, bclk, ratio * bclk);
3257 
3258 	ratio = (msr >> 0) & 0x3F;
3259 	if (ratio)
3260 		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 1 active core\n", ratio, bclk, ratio * bclk);
3261 }
3262 
3263 static void dump_knl_turbo_ratio_limits(void)
3264 {
3265 	const unsigned int buckets_no = 7;
3266 
3267 	unsigned long long msr;
3268 	int delta_cores, delta_ratio;
3269 	int i, b_nr;
3270 	unsigned int cores[buckets_no];
3271 	unsigned int ratio[buckets_no];
3272 
3273 	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
3274 
3275 	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr);
3276 
3277 	/*
3278 	 * Turbo encoding in KNL is as follows:
3279 	 * [0] -- Reserved
3280 	 * [7:1] -- Base value of number of active cores of bucket 1.
3281 	 * [15:8] -- Base value of freq ratio of bucket 1.
3282 	 * [20:16] -- +ve delta of number of active cores of bucket 2.
3283 	 * i.e. active cores of bucket 2 =
3284 	 * active cores of bucket 1 + delta
3285 	 * [23:21] -- Negative delta of freq ratio of bucket 2.
3286 	 * i.e. freq ratio of bucket 2 =
3287 	 * freq ratio of bucket 1 - delta
3288 	 * [28:24]-- +ve delta of number of active cores of bucket 3.
3289 	 * [31:29]-- -ve delta of freq ratio of bucket 3.
3290 	 * [36:32]-- +ve delta of number of active cores of bucket 4.
3291 	 * [39:37]-- -ve delta of freq ratio of bucket 4.
3292 	 * [44:40]-- +ve delta of number of active cores of bucket 5.
3293 	 * [47:45]-- -ve delta of freq ratio of bucket 5.
3294 	 * [52:48]-- +ve delta of number of active cores of bucket 6.
3295 	 * [55:53]-- -ve delta of freq ratio of bucket 6.
3296 	 * [60:56]-- +ve delta of number of active cores of bucket 7.
3297 	 * [63:61]-- -ve delta of freq ratio of bucket 7.
3298 	 */
3299 
3300 	b_nr = 0;
3301 	cores[b_nr] = (msr & 0xFF) >> 1;
3302 	ratio[b_nr] = (msr >> 8) & 0xFF;
3303 
3304 	for (i = 16; i < 64; i += 8) {
3305 		delta_cores = (msr >> i) & 0x1F;
3306 		delta_ratio = (msr >> (i + 5)) & 0x7;
3307 
3308 		cores[b_nr + 1] = cores[b_nr] + delta_cores;
3309 		ratio[b_nr + 1] = ratio[b_nr] - delta_ratio;
3310 		b_nr++;
3311 	}
3312 
3313 	for (i = buckets_no - 1; i >= 0; i--)
3314 		if (i > 0 ? ratio[i] != ratio[i - 1] : 1)
3315 			fprintf(outf,
3316 				"%d * %.1f = %.1f MHz max turbo %d active cores\n",
3317 				ratio[i], bclk, ratio[i] * bclk, cores[i]);
3318 }
3319 
3320 static void dump_cst_cfg(void)
3321 {
3322 	unsigned long long msr;
3323 
3324 	if (!platform->has_nhm_msrs)
3325 		return;
3326 
3327 	get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr);
3328 
3329 	fprintf(outf, "cpu%d: MSR_PKG_CST_CONFIG_CONTROL: 0x%08llx", base_cpu, msr);
3330 
3331 	fprintf(outf, " (%s%s%s%s%slocked, pkg-cstate-limit=%d (%s)",
3332 		(msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
3333 		(msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
3334 		(msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
3335 		(msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
3336 		(msr & (1 << 15)) ? "" : "UN", (unsigned int)msr & 0xF, pkg_cstate_limit_strings[pkg_cstate_limit]);
3337 
3338 #define AUTOMATIC_CSTATE_CONVERSION		(1UL << 16)
3339 	if (platform->has_cst_auto_convension) {
3340 		fprintf(outf, ", automatic c-state conversion=%s", (msr & AUTOMATIC_CSTATE_CONVERSION) ? "on" : "off");
3341 	}
3342 
3343 	fprintf(outf, ")\n");
3344 
3345 	return;
3346 }
3347 
3348 static void dump_config_tdp(void)
3349 {
3350 	unsigned long long msr;
3351 
3352 	get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr);
3353 	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr);
3354 	fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF);
3355 
3356 	get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr);
3357 	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr);
3358 	if (msr) {
3359 		fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF);
3360 		fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF);
3361 		fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF);
3362 		fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF);
3363 	}
3364 	fprintf(outf, ")\n");
3365 
3366 	get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr);
3367 	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr);
3368 	if (msr) {
3369 		fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF);
3370 		fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF);
3371 		fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF);
3372 		fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF);
3373 	}
3374 	fprintf(outf, ")\n");
3375 
3376 	get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr);
3377 	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr);
3378 	if ((msr) & 0x3)
3379 		fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3);
3380 	fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1);
3381 	fprintf(outf, ")\n");
3382 
3383 	get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr);
3384 	fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr);
3385 	fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF);
3386 	fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1);
3387 	fprintf(outf, ")\n");
3388 }
3389 
3390 unsigned int irtl_time_units[] = { 1, 32, 1024, 32768, 1048576, 33554432, 0, 0 };
3391 
3392 void print_irtl(void)
3393 {
3394 	unsigned long long msr;
3395 
3396 	if (!platform->has_irtl_msrs)
3397 		return;
3398 
3399 	if (platform->supported_cstates & PC3) {
3400 		get_msr(base_cpu, MSR_PKGC3_IRTL, &msr);
3401 		fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr);
3402 		fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
3403 			(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
3404 	}
3405 
3406 	if (platform->supported_cstates & PC6) {
3407 		get_msr(base_cpu, MSR_PKGC6_IRTL, &msr);
3408 		fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr);
3409 		fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
3410 			(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
3411 	}
3412 
3413 	if (platform->supported_cstates & PC7) {
3414 		get_msr(base_cpu, MSR_PKGC7_IRTL, &msr);
3415 		fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr);
3416 		fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
3417 			(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
3418 	}
3419 
3420 	if (platform->supported_cstates & PC8) {
3421 		get_msr(base_cpu, MSR_PKGC8_IRTL, &msr);
3422 		fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr);
3423 		fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
3424 			(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
3425 	}
3426 
3427 	if (platform->supported_cstates & PC9) {
3428 		get_msr(base_cpu, MSR_PKGC9_IRTL, &msr);
3429 		fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr);
3430 		fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
3431 			(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
3432 	}
3433 
3434 	if (platform->supported_cstates & PC10) {
3435 		get_msr(base_cpu, MSR_PKGC10_IRTL, &msr);
3436 		fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr);
3437 		fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
3438 			(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);
3439 	}
3440 }
3441 
3442 void free_fd_percpu(void)
3443 {
3444 	int i;
3445 
3446 	for (i = 0; i < topo.max_cpu_num + 1; ++i) {
3447 		if (fd_percpu[i] != 0)
3448 			close(fd_percpu[i]);
3449 	}
3450 
3451 	free(fd_percpu);
3452 }
3453 
3454 void free_all_buffers(void)
3455 {
3456 	int i;
3457 
3458 	CPU_FREE(cpu_present_set);
3459 	cpu_present_set = NULL;
3460 	cpu_present_setsize = 0;
3461 
3462 	CPU_FREE(cpu_effective_set);
3463 	cpu_effective_set = NULL;
3464 	cpu_effective_setsize = 0;
3465 
3466 	CPU_FREE(cpu_allowed_set);
3467 	cpu_allowed_set = NULL;
3468 	cpu_allowed_setsize = 0;
3469 
3470 	CPU_FREE(cpu_affinity_set);
3471 	cpu_affinity_set = NULL;
3472 	cpu_affinity_setsize = 0;
3473 
3474 	free(thread_even);
3475 	free(core_even);
3476 	free(package_even);
3477 
3478 	thread_even = NULL;
3479 	core_even = NULL;
3480 	package_even = NULL;
3481 
3482 	free(thread_odd);
3483 	free(core_odd);
3484 	free(package_odd);
3485 
3486 	thread_odd = NULL;
3487 	core_odd = NULL;
3488 	package_odd = NULL;
3489 
3490 	free(output_buffer);
3491 	output_buffer = NULL;
3492 	outp = NULL;
3493 
3494 	free_fd_percpu();
3495 
3496 	free(irq_column_2_cpu);
3497 	free(irqs_per_cpu);
3498 
3499 	for (i = 0; i <= topo.max_cpu_num; ++i) {
3500 		if (cpus[i].put_ids)
3501 			CPU_FREE(cpus[i].put_ids);
3502 	}
3503 	free(cpus);
3504 }
3505 
3506 /*
3507  * Parse a file containing a single int.
3508  * Return 0 if file can not be opened
3509  * Exit if file can be opened, but can not be parsed
3510  */
3511 int parse_int_file(const char *fmt, ...)
3512 {
3513 	va_list args;
3514 	char path[PATH_MAX];
3515 	FILE *filep;
3516 	int value;
3517 
3518 	va_start(args, fmt);
3519 	vsnprintf(path, sizeof(path), fmt, args);
3520 	va_end(args);
3521 	filep = fopen(path, "r");
3522 	if (!filep)
3523 		return 0;
3524 	if (fscanf(filep, "%d", &value) != 1)
3525 		err(1, "%s: failed to parse number from file", path);
3526 	fclose(filep);
3527 	return value;
3528 }
3529 
3530 /*
3531  * cpu_is_first_core_in_package(cpu)
3532  * return 1 if given CPU is 1st core in package
3533  */
3534 int cpu_is_first_core_in_package(int cpu)
3535 {
3536 	return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
3537 }
3538 
3539 int get_physical_package_id(int cpu)
3540 {
3541 	return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
3542 }
3543 
3544 int get_die_id(int cpu)
3545 {
3546 	return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/die_id", cpu);
3547 }
3548 
3549 int get_core_id(int cpu)
3550 {
3551 	return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
3552 }
3553 
3554 void set_node_data(void)
3555 {
3556 	int pkg, node, lnode, cpu, cpux;
3557 	int cpu_count;
3558 
3559 	/* initialize logical_node_id */
3560 	for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu)
3561 		cpus[cpu].logical_node_id = -1;
3562 
3563 	cpu_count = 0;
3564 	for (pkg = 0; pkg < topo.num_packages; pkg++) {
3565 		lnode = 0;
3566 		for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu) {
3567 			if (cpus[cpu].physical_package_id != pkg)
3568 				continue;
3569 			/* find a cpu with an unset logical_node_id */
3570 			if (cpus[cpu].logical_node_id != -1)
3571 				continue;
3572 			cpus[cpu].logical_node_id = lnode;
3573 			node = cpus[cpu].physical_node_id;
3574 			cpu_count++;
3575 			/*
3576 			 * find all matching cpus on this pkg and set
3577 			 * the logical_node_id
3578 			 */
3579 			for (cpux = cpu; cpux <= topo.max_cpu_num; cpux++) {
3580 				if ((cpus[cpux].physical_package_id == pkg) && (cpus[cpux].physical_node_id == node)) {
3581 					cpus[cpux].logical_node_id = lnode;
3582 					cpu_count++;
3583 				}
3584 			}
3585 			lnode++;
3586 			if (lnode > topo.nodes_per_pkg)
3587 				topo.nodes_per_pkg = lnode;
3588 		}
3589 		if (cpu_count >= topo.max_cpu_num)
3590 			break;
3591 	}
3592 }
3593 
3594 int get_physical_node_id(struct cpu_topology *thiscpu)
3595 {
3596 	char path[80];
3597 	FILE *filep;
3598 	int i;
3599 	int cpu = thiscpu->logical_cpu_id;
3600 
3601 	for (i = 0; i <= topo.max_cpu_num; i++) {
3602 		sprintf(path, "/sys/devices/system/cpu/cpu%d/node%i/cpulist", cpu, i);
3603 		filep = fopen(path, "r");
3604 		if (!filep)
3605 			continue;
3606 		fclose(filep);
3607 		return i;
3608 	}
3609 	return -1;
3610 }
3611 
3612 static int parse_cpu_str(char *cpu_str, cpu_set_t *cpu_set, int cpu_set_size)
3613 {
3614 	unsigned int start, end;
3615 	char *next = cpu_str;
3616 
3617 	while (next && *next) {
3618 
3619 		if (*next == '-')	/* no negative cpu numbers */
3620 			return 1;
3621 
3622 		start = strtoul(next, &next, 10);
3623 
3624 		if (start >= CPU_SUBSET_MAXCPUS)
3625 			return 1;
3626 		CPU_SET_S(start, cpu_set_size, cpu_set);
3627 
3628 		if (*next == '\0' || *next == '\n')
3629 			break;
3630 
3631 		if (*next == ',') {
3632 			next += 1;
3633 			continue;
3634 		}
3635 
3636 		if (*next == '-') {
3637 			next += 1;	/* start range */
3638 		} else if (*next == '.') {
3639 			next += 1;
3640 			if (*next == '.')
3641 				next += 1;	/* start range */
3642 			else
3643 				return 1;
3644 		}
3645 
3646 		end = strtoul(next, &next, 10);
3647 		if (end <= start)
3648 			return 1;
3649 
3650 		while (++start <= end) {
3651 			if (start >= CPU_SUBSET_MAXCPUS)
3652 				return 1;
3653 			CPU_SET_S(start, cpu_set_size, cpu_set);
3654 		}
3655 
3656 		if (*next == ',')
3657 			next += 1;
3658 		else if (*next != '\0' && *next != '\n')
3659 			return 1;
3660 	}
3661 
3662 	return 0;
3663 }
3664 
3665 int get_thread_siblings(struct cpu_topology *thiscpu)
3666 {
3667 	char path[80], character;
3668 	FILE *filep;
3669 	unsigned long map;
3670 	int so, shift, sib_core;
3671 	int cpu = thiscpu->logical_cpu_id;
3672 	int offset = topo.max_cpu_num + 1;
3673 	size_t size;
3674 	int thread_id = 0;
3675 
3676 	thiscpu->put_ids = CPU_ALLOC((topo.max_cpu_num + 1));
3677 	if (thiscpu->thread_id < 0)
3678 		thiscpu->thread_id = thread_id++;
3679 	if (!thiscpu->put_ids)
3680 		return -1;
3681 
3682 	size = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
3683 	CPU_ZERO_S(size, thiscpu->put_ids);
3684 
3685 	sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings", cpu);
3686 	filep = fopen(path, "r");
3687 
3688 	if (!filep) {
3689 		warnx("%s: open failed", path);
3690 		return -1;
3691 	}
3692 	do {
3693 		offset -= BITMASK_SIZE;
3694 		if (fscanf(filep, "%lx%c", &map, &character) != 2)
3695 			err(1, "%s: failed to parse file", path);
3696 		for (shift = 0; shift < BITMASK_SIZE; shift++) {
3697 			if ((map >> shift) & 0x1) {
3698 				so = shift + offset;
3699 				sib_core = get_core_id(so);
3700 				if (sib_core == thiscpu->physical_core_id) {
3701 					CPU_SET_S(so, size, thiscpu->put_ids);
3702 					if ((so != cpu) && (cpus[so].thread_id < 0))
3703 						cpus[so].thread_id = thread_id++;
3704 				}
3705 			}
3706 		}
3707 	} while (character == ',');
3708 	fclose(filep);
3709 
3710 	return CPU_COUNT_S(size, thiscpu->put_ids);
3711 }
3712 
3713 /*
3714  * run func(thread, core, package) in topology order
3715  * skip non-present cpus
3716  */
3717 
3718 int for_all_cpus_2(int (func) (struct thread_data *, struct core_data *,
3719 			       struct pkg_data *, struct thread_data *, struct core_data *,
3720 			       struct pkg_data *), struct thread_data *thread_base,
3721 		   struct core_data *core_base, struct pkg_data *pkg_base,
3722 		   struct thread_data *thread_base2, struct core_data *core_base2, struct pkg_data *pkg_base2)
3723 {
3724 	int retval, pkg_no, node_no, core_no, thread_no;
3725 
3726 	for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
3727 		for (node_no = 0; node_no < topo.nodes_per_pkg; ++node_no) {
3728 			for (core_no = 0; core_no < topo.cores_per_node; ++core_no) {
3729 				for (thread_no = 0; thread_no < topo.threads_per_core; ++thread_no) {
3730 					struct thread_data *t, *t2;
3731 					struct core_data *c, *c2;
3732 					struct pkg_data *p, *p2;
3733 
3734 					t = GET_THREAD(thread_base, thread_no, core_no, node_no, pkg_no);
3735 
3736 					if (cpu_is_not_allowed(t->cpu_id))
3737 						continue;
3738 
3739 					t2 = GET_THREAD(thread_base2, thread_no, core_no, node_no, pkg_no);
3740 
3741 					c = GET_CORE(core_base, core_no, node_no, pkg_no);
3742 					c2 = GET_CORE(core_base2, core_no, node_no, pkg_no);
3743 
3744 					p = GET_PKG(pkg_base, pkg_no);
3745 					p2 = GET_PKG(pkg_base2, pkg_no);
3746 
3747 					retval = func(t, c, p, t2, c2, p2);
3748 					if (retval)
3749 						return retval;
3750 				}
3751 			}
3752 		}
3753 	}
3754 	return 0;
3755 }
3756 
3757 /*
3758  * run func(cpu) on every cpu in /proc/stat
3759  * return max_cpu number
3760  */
3761 int for_all_proc_cpus(int (func) (int))
3762 {
3763 	FILE *fp;
3764 	int cpu_num;
3765 	int retval;
3766 
3767 	fp = fopen_or_die(proc_stat, "r");
3768 
3769 	retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
3770 	if (retval != 0)
3771 		err(1, "%s: failed to parse format", proc_stat);
3772 
3773 	while (1) {
3774 		retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
3775 		if (retval != 1)
3776 			break;
3777 
3778 		retval = func(cpu_num);
3779 		if (retval) {
3780 			fclose(fp);
3781 			return (retval);
3782 		}
3783 	}
3784 	fclose(fp);
3785 	return 0;
3786 }
3787 
3788 #define PATH_EFFECTIVE_CPUS	"/sys/fs/cgroup/cpuset.cpus.effective"
3789 
3790 static char cpu_effective_str[1024];
3791 
3792 static int update_effective_str(bool startup)
3793 {
3794 	FILE *fp;
3795 	char *pos;
3796 	char buf[1024];
3797 	int ret;
3798 
3799 	if (cpu_effective_str[0] == '\0' && !startup)
3800 		return 0;
3801 
3802 	fp = fopen(PATH_EFFECTIVE_CPUS, "r");
3803 	if (!fp)
3804 		return 0;
3805 
3806 	pos = fgets(buf, 1024, fp);
3807 	if (!pos)
3808 		err(1, "%s: file read failed\n", PATH_EFFECTIVE_CPUS);
3809 
3810 	fclose(fp);
3811 
3812 	ret = strncmp(cpu_effective_str, buf, 1024);
3813 	if (!ret)
3814 		return 0;
3815 
3816 	strncpy(cpu_effective_str, buf, 1024);
3817 	return 1;
3818 }
3819 
3820 static void update_effective_set(bool startup)
3821 {
3822 	update_effective_str(startup);
3823 
3824 	if (parse_cpu_str(cpu_effective_str, cpu_effective_set, cpu_effective_setsize))
3825 		err(1, "%s: cpu str malformat %s\n", PATH_EFFECTIVE_CPUS, cpu_effective_str);
3826 }
3827 
3828 void re_initialize(void)
3829 {
3830 	free_all_buffers();
3831 	setup_all_buffers(false);
3832 	fprintf(outf, "turbostat: re-initialized with num_cpus %d, allowed_cpus %d\n", topo.num_cpus, topo.allowed_cpus);
3833 }
3834 
3835 void set_max_cpu_num(void)
3836 {
3837 	FILE *filep;
3838 	int base_cpu;
3839 	unsigned long dummy;
3840 	char pathname[64];
3841 
3842 	base_cpu = sched_getcpu();
3843 	if (base_cpu < 0)
3844 		err(1, "cannot find calling cpu ID");
3845 	sprintf(pathname, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings", base_cpu);
3846 
3847 	filep = fopen_or_die(pathname, "r");
3848 	topo.max_cpu_num = 0;
3849 	while (fscanf(filep, "%lx,", &dummy) == 1)
3850 		topo.max_cpu_num += BITMASK_SIZE;
3851 	fclose(filep);
3852 	topo.max_cpu_num--;	/* 0 based */
3853 }
3854 
3855 /*
3856  * count_cpus()
3857  * remember the last one seen, it will be the max
3858  */
3859 int count_cpus(int cpu)
3860 {
3861 	UNUSED(cpu);
3862 
3863 	topo.num_cpus++;
3864 	return 0;
3865 }
3866 
3867 int mark_cpu_present(int cpu)
3868 {
3869 	CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
3870 	return 0;
3871 }
3872 
3873 int init_thread_id(int cpu)
3874 {
3875 	cpus[cpu].thread_id = -1;
3876 	return 0;
3877 }
3878 
3879 /*
3880  * snapshot_proc_interrupts()
3881  *
3882  * read and record summary of /proc/interrupts
3883  *
3884  * return 1 if config change requires a restart, else return 0
3885  */
3886 int snapshot_proc_interrupts(void)
3887 {
3888 	static FILE *fp;
3889 	int column, retval;
3890 
3891 	if (fp == NULL)
3892 		fp = fopen_or_die("/proc/interrupts", "r");
3893 	else
3894 		rewind(fp);
3895 
3896 	/* read 1st line of /proc/interrupts to get cpu* name for each column */
3897 	for (column = 0; column < topo.num_cpus; ++column) {
3898 		int cpu_number;
3899 
3900 		retval = fscanf(fp, " CPU%d", &cpu_number);
3901 		if (retval != 1)
3902 			break;
3903 
3904 		if (cpu_number > topo.max_cpu_num) {
3905 			warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num);
3906 			return 1;
3907 		}
3908 
3909 		irq_column_2_cpu[column] = cpu_number;
3910 		irqs_per_cpu[cpu_number] = 0;
3911 	}
3912 
3913 	/* read /proc/interrupt count lines and sum up irqs per cpu */
3914 	while (1) {
3915 		int column;
3916 		char buf[64];
3917 
3918 		retval = fscanf(fp, " %s:", buf);	/* flush irq# "N:" */
3919 		if (retval != 1)
3920 			break;
3921 
3922 		/* read the count per cpu */
3923 		for (column = 0; column < topo.num_cpus; ++column) {
3924 
3925 			int cpu_number, irq_count;
3926 
3927 			retval = fscanf(fp, " %d", &irq_count);
3928 			if (retval != 1)
3929 				break;
3930 
3931 			cpu_number = irq_column_2_cpu[column];
3932 			irqs_per_cpu[cpu_number] += irq_count;
3933 
3934 		}
3935 
3936 		while (getc(fp) != '\n') ;	/* flush interrupt description */
3937 
3938 	}
3939 	return 0;
3940 }
3941 
3942 /*
3943  * snapshot_gfx_rc6_ms()
3944  *
3945  * record snapshot of
3946  * /sys/class/drm/card0/power/rc6_residency_ms
3947  *
3948  * return 1 if config change requires a restart, else return 0
3949  */
3950 int snapshot_gfx_rc6_ms(void)
3951 {
3952 	FILE *fp;
3953 	int retval;
3954 
3955 	fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r");
3956 
3957 	retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms);
3958 	if (retval != 1)
3959 		err(1, "GFX rc6");
3960 
3961 	fclose(fp);
3962 
3963 	return 0;
3964 }
3965 
3966 /*
3967  * snapshot_gfx_mhz()
3968  *
3969  * fall back to /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz
3970  * when /sys/class/drm/card0/gt_cur_freq_mhz is not available.
3971  *
3972  * return 1 if config change requires a restart, else return 0
3973  */
3974 int snapshot_gfx_mhz(void)
3975 {
3976 	static FILE *fp;
3977 	int retval;
3978 
3979 	if (fp == NULL) {
3980 		fp = fopen("/sys/class/drm/card0/gt_cur_freq_mhz", "r");
3981 		if (!fp)
3982 			fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r");
3983 	} else {
3984 		rewind(fp);
3985 		fflush(fp);
3986 	}
3987 
3988 	retval = fscanf(fp, "%d", &gfx_cur_mhz);
3989 	if (retval != 1)
3990 		err(1, "GFX MHz");
3991 
3992 	return 0;
3993 }
3994 
3995 /*
3996  * snapshot_gfx_cur_mhz()
3997  *
3998  * fall back to /sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz
3999  * when /sys/class/drm/card0/gt_act_freq_mhz is not available.
4000  *
4001  * return 1 if config change requires a restart, else return 0
4002  */
4003 int snapshot_gfx_act_mhz(void)
4004 {
4005 	static FILE *fp;
4006 	int retval;
4007 
4008 	if (fp == NULL) {
4009 		fp = fopen("/sys/class/drm/card0/gt_act_freq_mhz", "r");
4010 		if (!fp)
4011 			fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", "r");
4012 	} else {
4013 		rewind(fp);
4014 		fflush(fp);
4015 	}
4016 
4017 	retval = fscanf(fp, "%d", &gfx_act_mhz);
4018 	if (retval != 1)
4019 		err(1, "GFX ACT MHz");
4020 
4021 	return 0;
4022 }
4023 
4024 /*
4025  * snapshot_cpu_lpi()
4026  *
4027  * record snapshot of
4028  * /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us
4029  */
4030 int snapshot_cpu_lpi_us(void)
4031 {
4032 	FILE *fp;
4033 	int retval;
4034 
4035 	fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", "r");
4036 
4037 	retval = fscanf(fp, "%lld", &cpuidle_cur_cpu_lpi_us);
4038 	if (retval != 1) {
4039 		fprintf(stderr, "Disabling Low Power Idle CPU output\n");
4040 		BIC_NOT_PRESENT(BIC_CPU_LPI);
4041 		fclose(fp);
4042 		return -1;
4043 	}
4044 
4045 	fclose(fp);
4046 
4047 	return 0;
4048 }
4049 
4050 /*
4051  * snapshot_sys_lpi()
4052  *
4053  * record snapshot of sys_lpi_file
4054  */
4055 int snapshot_sys_lpi_us(void)
4056 {
4057 	FILE *fp;
4058 	int retval;
4059 
4060 	fp = fopen_or_die(sys_lpi_file, "r");
4061 
4062 	retval = fscanf(fp, "%lld", &cpuidle_cur_sys_lpi_us);
4063 	if (retval != 1) {
4064 		fprintf(stderr, "Disabling Low Power Idle System output\n");
4065 		BIC_NOT_PRESENT(BIC_SYS_LPI);
4066 		fclose(fp);
4067 		return -1;
4068 	}
4069 	fclose(fp);
4070 
4071 	return 0;
4072 }
4073 
4074 /*
4075  * snapshot /proc and /sys files
4076  *
4077  * return 1 if configuration restart needed, else return 0
4078  */
4079 int snapshot_proc_sysfs_files(void)
4080 {
4081 	if (DO_BIC(BIC_IRQ))
4082 		if (snapshot_proc_interrupts())
4083 			return 1;
4084 
4085 	if (DO_BIC(BIC_GFX_rc6))
4086 		snapshot_gfx_rc6_ms();
4087 
4088 	if (DO_BIC(BIC_GFXMHz))
4089 		snapshot_gfx_mhz();
4090 
4091 	if (DO_BIC(BIC_GFXACTMHz))
4092 		snapshot_gfx_act_mhz();
4093 
4094 	if (DO_BIC(BIC_CPU_LPI))
4095 		snapshot_cpu_lpi_us();
4096 
4097 	if (DO_BIC(BIC_SYS_LPI))
4098 		snapshot_sys_lpi_us();
4099 
4100 	return 0;
4101 }
4102 
4103 int exit_requested;
4104 
4105 static void signal_handler(int signal)
4106 {
4107 	switch (signal) {
4108 	case SIGINT:
4109 		exit_requested = 1;
4110 		if (debug)
4111 			fprintf(stderr, " SIGINT\n");
4112 		break;
4113 	case SIGUSR1:
4114 		if (debug > 1)
4115 			fprintf(stderr, "SIGUSR1\n");
4116 		break;
4117 	}
4118 }
4119 
4120 void setup_signal_handler(void)
4121 {
4122 	struct sigaction sa;
4123 
4124 	memset(&sa, 0, sizeof(sa));
4125 
4126 	sa.sa_handler = &signal_handler;
4127 
4128 	if (sigaction(SIGINT, &sa, NULL) < 0)
4129 		err(1, "sigaction SIGINT");
4130 	if (sigaction(SIGUSR1, &sa, NULL) < 0)
4131 		err(1, "sigaction SIGUSR1");
4132 }
4133 
4134 void do_sleep(void)
4135 {
4136 	struct timeval tout;
4137 	struct timespec rest;
4138 	fd_set readfds;
4139 	int retval;
4140 
4141 	FD_ZERO(&readfds);
4142 	FD_SET(0, &readfds);
4143 
4144 	if (ignore_stdin) {
4145 		nanosleep(&interval_ts, NULL);
4146 		return;
4147 	}
4148 
4149 	tout = interval_tv;
4150 	retval = select(1, &readfds, NULL, NULL, &tout);
4151 
4152 	if (retval == 1) {
4153 		switch (getc(stdin)) {
4154 		case 'q':
4155 			exit_requested = 1;
4156 			break;
4157 		case EOF:
4158 			/*
4159 			 * 'stdin' is a pipe closed on the other end. There
4160 			 * won't be any further input.
4161 			 */
4162 			ignore_stdin = 1;
4163 			/* Sleep the rest of the time */
4164 			rest.tv_sec = (tout.tv_sec + tout.tv_usec / 1000000);
4165 			rest.tv_nsec = (tout.tv_usec % 1000000) * 1000;
4166 			nanosleep(&rest, NULL);
4167 		}
4168 	}
4169 }
4170 
4171 int get_msr_sum(int cpu, off_t offset, unsigned long long *msr)
4172 {
4173 	int ret, idx;
4174 	unsigned long long msr_cur, msr_last;
4175 
4176 	if (!per_cpu_msr_sum)
4177 		return 1;
4178 
4179 	idx = offset_to_idx(offset);
4180 	if (idx < 0)
4181 		return idx;
4182 	/* get_msr_sum() = sum + (get_msr() - last) */
4183 	ret = get_msr(cpu, offset, &msr_cur);
4184 	if (ret)
4185 		return ret;
4186 	msr_last = per_cpu_msr_sum[cpu].entries[idx].last;
4187 	DELTA_WRAP32(msr_cur, msr_last);
4188 	*msr = msr_last + per_cpu_msr_sum[cpu].entries[idx].sum;
4189 
4190 	return 0;
4191 }
4192 
4193 timer_t timerid;
4194 
4195 /* Timer callback, update the sum of MSRs periodically. */
4196 static int update_msr_sum(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4197 {
4198 	int i, ret;
4199 	int cpu = t->cpu_id;
4200 
4201 	UNUSED(c);
4202 	UNUSED(p);
4203 
4204 	for (i = IDX_PKG_ENERGY; i < IDX_COUNT; i++) {
4205 		unsigned long long msr_cur, msr_last;
4206 		off_t offset;
4207 
4208 		if (!idx_valid(i))
4209 			continue;
4210 		offset = idx_to_offset(i);
4211 		if (offset < 0)
4212 			continue;
4213 		ret = get_msr(cpu, offset, &msr_cur);
4214 		if (ret) {
4215 			fprintf(outf, "Can not update msr(0x%llx)\n", (unsigned long long)offset);
4216 			continue;
4217 		}
4218 
4219 		msr_last = per_cpu_msr_sum[cpu].entries[i].last;
4220 		per_cpu_msr_sum[cpu].entries[i].last = msr_cur & 0xffffffff;
4221 
4222 		DELTA_WRAP32(msr_cur, msr_last);
4223 		per_cpu_msr_sum[cpu].entries[i].sum += msr_last;
4224 	}
4225 	return 0;
4226 }
4227 
4228 static void msr_record_handler(union sigval v)
4229 {
4230 	UNUSED(v);
4231 
4232 	for_all_cpus(update_msr_sum, EVEN_COUNTERS);
4233 }
4234 
4235 void msr_sum_record(void)
4236 {
4237 	struct itimerspec its;
4238 	struct sigevent sev;
4239 
4240 	per_cpu_msr_sum = calloc(topo.max_cpu_num + 1, sizeof(struct msr_sum_array));
4241 	if (!per_cpu_msr_sum) {
4242 		fprintf(outf, "Can not allocate memory for long time MSR.\n");
4243 		return;
4244 	}
4245 	/*
4246 	 * Signal handler might be restricted, so use thread notifier instead.
4247 	 */
4248 	memset(&sev, 0, sizeof(struct sigevent));
4249 	sev.sigev_notify = SIGEV_THREAD;
4250 	sev.sigev_notify_function = msr_record_handler;
4251 
4252 	sev.sigev_value.sival_ptr = &timerid;
4253 	if (timer_create(CLOCK_REALTIME, &sev, &timerid) == -1) {
4254 		fprintf(outf, "Can not create timer.\n");
4255 		goto release_msr;
4256 	}
4257 
4258 	its.it_value.tv_sec = 0;
4259 	its.it_value.tv_nsec = 1;
4260 	/*
4261 	 * A wraparound time has been calculated early.
4262 	 * Some sources state that the peak power for a
4263 	 * microprocessor is usually 1.5 times the TDP rating,
4264 	 * use 2 * TDP for safety.
4265 	 */
4266 	its.it_interval.tv_sec = rapl_joule_counter_range / 2;
4267 	its.it_interval.tv_nsec = 0;
4268 
4269 	if (timer_settime(timerid, 0, &its, NULL) == -1) {
4270 		fprintf(outf, "Can not set timer.\n");
4271 		goto release_timer;
4272 	}
4273 	return;
4274 
4275 release_timer:
4276 	timer_delete(timerid);
4277 release_msr:
4278 	free(per_cpu_msr_sum);
4279 }
4280 
4281 /*
4282  * set_my_sched_priority(pri)
4283  * return previous
4284  */
4285 int set_my_sched_priority(int priority)
4286 {
4287 	int retval;
4288 	int original_priority;
4289 
4290 	errno = 0;
4291 	original_priority = getpriority(PRIO_PROCESS, 0);
4292 	if (errno && (original_priority == -1))
4293 		err(errno, "getpriority");
4294 
4295 	retval = setpriority(PRIO_PROCESS, 0, priority);
4296 	if (retval)
4297 		errx(retval, "capget(CAP_SYS_NICE) failed,try \"# setcap cap_sys_nice=ep %s\"", progname);
4298 
4299 	errno = 0;
4300 	retval = getpriority(PRIO_PROCESS, 0);
4301 	if (retval != priority)
4302 		err(retval, "getpriority(%d) != setpriority(%d)", retval, priority);
4303 
4304 	return original_priority;
4305 }
4306 
4307 void turbostat_loop()
4308 {
4309 	int retval;
4310 	int restarted = 0;
4311 	unsigned int done_iters = 0;
4312 
4313 	setup_signal_handler();
4314 
4315 	/*
4316 	 * elevate own priority for interval mode
4317 	 */
4318 	set_my_sched_priority(-20);
4319 
4320 restart:
4321 	restarted++;
4322 
4323 	snapshot_proc_sysfs_files();
4324 	retval = for_all_cpus(get_counters, EVEN_COUNTERS);
4325 	first_counter_read = 0;
4326 	if (retval < -1) {
4327 		exit(retval);
4328 	} else if (retval == -1) {
4329 		if (restarted > 10) {
4330 			exit(retval);
4331 		}
4332 		re_initialize();
4333 		goto restart;
4334 	}
4335 	restarted = 0;
4336 	done_iters = 0;
4337 	gettimeofday(&tv_even, (struct timezone *)NULL);
4338 
4339 	while (1) {
4340 		if (for_all_proc_cpus(cpu_is_not_present)) {
4341 			re_initialize();
4342 			goto restart;
4343 		}
4344 		if (update_effective_str(false)) {
4345 			re_initialize();
4346 			goto restart;
4347 		}
4348 		do_sleep();
4349 		if (snapshot_proc_sysfs_files())
4350 			goto restart;
4351 		retval = for_all_cpus(get_counters, ODD_COUNTERS);
4352 		if (retval < -1) {
4353 			exit(retval);
4354 		} else if (retval == -1) {
4355 			re_initialize();
4356 			goto restart;
4357 		}
4358 		gettimeofday(&tv_odd, (struct timezone *)NULL);
4359 		timersub(&tv_odd, &tv_even, &tv_delta);
4360 		if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) {
4361 			re_initialize();
4362 			goto restart;
4363 		}
4364 		compute_average(EVEN_COUNTERS);
4365 		format_all_counters(EVEN_COUNTERS);
4366 		flush_output_stdout();
4367 		if (exit_requested)
4368 			break;
4369 		if (num_iterations && ++done_iters >= num_iterations)
4370 			break;
4371 		do_sleep();
4372 		if (snapshot_proc_sysfs_files())
4373 			goto restart;
4374 		retval = for_all_cpus(get_counters, EVEN_COUNTERS);
4375 		if (retval < -1) {
4376 			exit(retval);
4377 		} else if (retval == -1) {
4378 			re_initialize();
4379 			goto restart;
4380 		}
4381 		gettimeofday(&tv_even, (struct timezone *)NULL);
4382 		timersub(&tv_even, &tv_odd, &tv_delta);
4383 		if (for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) {
4384 			re_initialize();
4385 			goto restart;
4386 		}
4387 		compute_average(ODD_COUNTERS);
4388 		format_all_counters(ODD_COUNTERS);
4389 		flush_output_stdout();
4390 		if (exit_requested)
4391 			break;
4392 		if (num_iterations && ++done_iters >= num_iterations)
4393 			break;
4394 	}
4395 }
4396 
4397 void check_dev_msr()
4398 {
4399 	struct stat sb;
4400 	char pathname[32];
4401 
4402 	sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
4403 	if (stat(pathname, &sb))
4404 		if (system("/sbin/modprobe msr > /dev/null 2>&1"))
4405 			err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" ");
4406 }
4407 
4408 /*
4409  * check for CAP_SYS_RAWIO
4410  * return 0 on success
4411  * return 1 on fail
4412  */
4413 int check_for_cap_sys_rawio(void)
4414 {
4415 	cap_t caps;
4416 	cap_flag_value_t cap_flag_value;
4417 
4418 	caps = cap_get_proc();
4419 	if (caps == NULL)
4420 		err(-6, "cap_get_proc\n");
4421 
4422 	if (cap_get_flag(caps, CAP_SYS_RAWIO, CAP_EFFECTIVE, &cap_flag_value))
4423 		err(-6, "cap_get\n");
4424 
4425 	if (cap_flag_value != CAP_SET) {
4426 		warnx("capget(CAP_SYS_RAWIO) failed," " try \"# setcap cap_sys_rawio=ep %s\"", progname);
4427 		return 1;
4428 	}
4429 
4430 	if (cap_free(caps) == -1)
4431 		err(-6, "cap_free\n");
4432 
4433 	return 0;
4434 }
4435 
4436 void check_permissions(void)
4437 {
4438 	int do_exit = 0;
4439 	char pathname[32];
4440 
4441 	/* check for CAP_SYS_RAWIO */
4442 	do_exit += check_for_cap_sys_rawio();
4443 
4444 	/* test file permissions */
4445 	sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
4446 	if (euidaccess(pathname, R_OK)) {
4447 		do_exit++;
4448 		warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr");
4449 	}
4450 
4451 	/* if all else fails, thell them to be root */
4452 	if (do_exit)
4453 		if (getuid() != 0)
4454 			warnx("... or simply run as root");
4455 
4456 	if (do_exit)
4457 		exit(-6);
4458 }
4459 
4460 void probe_bclk(void)
4461 {
4462 	unsigned long long msr;
4463 	unsigned int base_ratio;
4464 
4465 	if (!platform->has_nhm_msrs)
4466 		return;
4467 
4468 	if (platform->bclk_freq == BCLK_100MHZ)
4469 		bclk = 100.00;
4470 	else if (platform->bclk_freq == BCLK_133MHZ)
4471 		bclk = 133.33;
4472 	else if (platform->bclk_freq == BCLK_SLV)
4473 		bclk = slm_bclk();
4474 	else
4475 		return;
4476 
4477 	get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
4478 	base_ratio = (msr >> 8) & 0xFF;
4479 
4480 	base_hz = base_ratio * bclk * 1000000;
4481 	has_base_hz = 1;
4482 
4483 	if (platform->enable_tsc_tweak)
4484 		tsc_tweak = base_hz / tsc_hz;
4485 }
4486 
4487 static void remove_underbar(char *s)
4488 {
4489 	char *to = s;
4490 
4491 	while (*s) {
4492 		if (*s != '_')
4493 			*to++ = *s;
4494 		s++;
4495 	}
4496 
4497 	*to = 0;
4498 }
4499 
4500 static void dump_turbo_ratio_info(void)
4501 {
4502 	if (!has_turbo)
4503 		return;
4504 
4505 	if (!platform->has_nhm_msrs)
4506 		return;
4507 
4508 	if (platform->trl_msrs & TRL_LIMIT2)
4509 		dump_turbo_ratio_limit2();
4510 
4511 	if (platform->trl_msrs & TRL_LIMIT1)
4512 		dump_turbo_ratio_limit1();
4513 
4514 	if (platform->trl_msrs & TRL_BASE) {
4515 		dump_turbo_ratio_limits(MSR_TURBO_RATIO_LIMIT);
4516 
4517 		if (is_hybrid)
4518 			dump_turbo_ratio_limits(MSR_SECONDARY_TURBO_RATIO_LIMIT);
4519 	}
4520 
4521 	if (platform->trl_msrs & TRL_ATOM)
4522 		dump_atom_turbo_ratio_limits();
4523 
4524 	if (platform->trl_msrs & TRL_KNL)
4525 		dump_knl_turbo_ratio_limits();
4526 
4527 	if (platform->has_config_tdp)
4528 		dump_config_tdp();
4529 }
4530 
4531 static int read_sysfs_int(char *path)
4532 {
4533 	FILE *input;
4534 	int retval = -1;
4535 
4536 	input = fopen(path, "r");
4537 	if (input == NULL) {
4538 		if (debug)
4539 			fprintf(outf, "NSFOD %s\n", path);
4540 		return (-1);
4541 	}
4542 	if (fscanf(input, "%d", &retval) != 1)
4543 		err(1, "%s: failed to read int from file", path);
4544 	fclose(input);
4545 
4546 	return (retval);
4547 }
4548 
4549 static void dump_sysfs_file(char *path)
4550 {
4551 	FILE *input;
4552 	char cpuidle_buf[64];
4553 
4554 	input = fopen(path, "r");
4555 	if (input == NULL) {
4556 		if (debug)
4557 			fprintf(outf, "NSFOD %s\n", path);
4558 		return;
4559 	}
4560 	if (!fgets(cpuidle_buf, sizeof(cpuidle_buf), input))
4561 		err(1, "%s: failed to read file", path);
4562 	fclose(input);
4563 
4564 	fprintf(outf, "%s: %s", strrchr(path, '/') + 1, cpuidle_buf);
4565 }
4566 
4567 static void probe_intel_uncore_frequency(void)
4568 {
4569 	int i, j;
4570 	char path[128];
4571 
4572 	if (!genuine_intel)
4573 		return;
4574 
4575 	if (access("/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00", R_OK))
4576 		return;
4577 
4578 	/* Cluster level sysfs not supported yet. */
4579 	if (!access("/sys/devices/system/cpu/intel_uncore_frequency/uncore00", R_OK))
4580 		return;
4581 
4582 	if (!access("/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00/current_freq_khz", R_OK))
4583 		BIC_PRESENT(BIC_UNCORE_MHZ);
4584 
4585 	if (quiet)
4586 		return;
4587 
4588 	for (i = 0; i < topo.num_packages; ++i) {
4589 		for (j = 0; j < topo.num_die; ++j) {
4590 			int k, l;
4591 
4592 			sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/min_freq_khz",
4593 				i, j);
4594 			k = read_sysfs_int(path);
4595 			sprintf(path, "/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/max_freq_khz",
4596 				i, j);
4597 			l = read_sysfs_int(path);
4598 			fprintf(outf, "Uncore Frequency pkg%d die%d: %d - %d MHz ", i, j, k / 1000, l / 1000);
4599 
4600 			sprintf(path,
4601 				"/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/initial_min_freq_khz",
4602 				i, j);
4603 			k = read_sysfs_int(path);
4604 			sprintf(path,
4605 				"/sys/devices/system/cpu/intel_uncore_frequency/package_0%d_die_0%d/initial_max_freq_khz",
4606 				i, j);
4607 			l = read_sysfs_int(path);
4608 			fprintf(outf, "(%d - %d MHz)\n", k / 1000, l / 1000);
4609 		}
4610 	}
4611 }
4612 
4613 static void probe_graphics(void)
4614 {
4615 	if (!access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK))
4616 		BIC_PRESENT(BIC_GFX_rc6);
4617 
4618 	if (!access("/sys/class/drm/card0/gt_cur_freq_mhz", R_OK) ||
4619 	    !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK))
4620 		BIC_PRESENT(BIC_GFXMHz);
4621 
4622 	if (!access("/sys/class/drm/card0/gt_act_freq_mhz", R_OK) ||
4623 	    !access("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", R_OK))
4624 		BIC_PRESENT(BIC_GFXACTMHz);
4625 }
4626 
4627 static void dump_sysfs_cstate_config(void)
4628 {
4629 	char path[64];
4630 	char name_buf[16];
4631 	char desc[64];
4632 	FILE *input;
4633 	int state;
4634 	char *sp;
4635 
4636 	if (access("/sys/devices/system/cpu/cpuidle", R_OK)) {
4637 		fprintf(outf, "cpuidle not loaded\n");
4638 		return;
4639 	}
4640 
4641 	dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_driver");
4642 	dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_governor");
4643 	dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_governor_ro");
4644 
4645 	for (state = 0; state < 10; ++state) {
4646 
4647 		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", base_cpu, state);
4648 		input = fopen(path, "r");
4649 		if (input == NULL)
4650 			continue;
4651 		if (!fgets(name_buf, sizeof(name_buf), input))
4652 			err(1, "%s: failed to read file", path);
4653 
4654 		/* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
4655 		sp = strchr(name_buf, '-');
4656 		if (!sp)
4657 			sp = strchrnul(name_buf, '\n');
4658 		*sp = '\0';
4659 		fclose(input);
4660 
4661 		remove_underbar(name_buf);
4662 
4663 		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/desc", base_cpu, state);
4664 		input = fopen(path, "r");
4665 		if (input == NULL)
4666 			continue;
4667 		if (!fgets(desc, sizeof(desc), input))
4668 			err(1, "%s: failed to read file", path);
4669 
4670 		fprintf(outf, "cpu%d: %s: %s", base_cpu, name_buf, desc);
4671 		fclose(input);
4672 	}
4673 }
4674 
4675 static void dump_sysfs_pstate_config(void)
4676 {
4677 	char path[64];
4678 	char driver_buf[64];
4679 	char governor_buf[64];
4680 	FILE *input;
4681 	int turbo;
4682 
4683 	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_driver", base_cpu);
4684 	input = fopen(path, "r");
4685 	if (input == NULL) {
4686 		fprintf(outf, "NSFOD %s\n", path);
4687 		return;
4688 	}
4689 	if (!fgets(driver_buf, sizeof(driver_buf), input))
4690 		err(1, "%s: failed to read file", path);
4691 	fclose(input);
4692 
4693 	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor", base_cpu);
4694 	input = fopen(path, "r");
4695 	if (input == NULL) {
4696 		fprintf(outf, "NSFOD %s\n", path);
4697 		return;
4698 	}
4699 	if (!fgets(governor_buf, sizeof(governor_buf), input))
4700 		err(1, "%s: failed to read file", path);
4701 	fclose(input);
4702 
4703 	fprintf(outf, "cpu%d: cpufreq driver: %s", base_cpu, driver_buf);
4704 	fprintf(outf, "cpu%d: cpufreq governor: %s", base_cpu, governor_buf);
4705 
4706 	sprintf(path, "/sys/devices/system/cpu/cpufreq/boost");
4707 	input = fopen(path, "r");
4708 	if (input != NULL) {
4709 		if (fscanf(input, "%d", &turbo) != 1)
4710 			err(1, "%s: failed to parse number from file", path);
4711 		fprintf(outf, "cpufreq boost: %d\n", turbo);
4712 		fclose(input);
4713 	}
4714 
4715 	sprintf(path, "/sys/devices/system/cpu/intel_pstate/no_turbo");
4716 	input = fopen(path, "r");
4717 	if (input != NULL) {
4718 		if (fscanf(input, "%d", &turbo) != 1)
4719 			err(1, "%s: failed to parse number from file", path);
4720 		fprintf(outf, "cpufreq intel_pstate no_turbo: %d\n", turbo);
4721 		fclose(input);
4722 	}
4723 }
4724 
4725 /*
4726  * print_epb()
4727  * Decode the ENERGY_PERF_BIAS MSR
4728  */
4729 int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4730 {
4731 	char *epb_string;
4732 	int cpu, epb;
4733 
4734 	UNUSED(c);
4735 	UNUSED(p);
4736 
4737 	if (!has_epb)
4738 		return 0;
4739 
4740 	cpu = t->cpu_id;
4741 
4742 	/* EPB is per-package */
4743 	if (!is_cpu_first_thread_in_package(t, c, p))
4744 		return 0;
4745 
4746 	if (cpu_migrate(cpu)) {
4747 		fprintf(outf, "print_epb: Could not migrate to CPU %d\n", cpu);
4748 		return -1;
4749 	}
4750 
4751 	epb = get_epb(cpu);
4752 	if (epb < 0)
4753 		return 0;
4754 
4755 	switch (epb) {
4756 	case ENERGY_PERF_BIAS_PERFORMANCE:
4757 		epb_string = "performance";
4758 		break;
4759 	case ENERGY_PERF_BIAS_NORMAL:
4760 		epb_string = "balanced";
4761 		break;
4762 	case ENERGY_PERF_BIAS_POWERSAVE:
4763 		epb_string = "powersave";
4764 		break;
4765 	default:
4766 		epb_string = "custom";
4767 		break;
4768 	}
4769 	fprintf(outf, "cpu%d: EPB: %d (%s)\n", cpu, epb, epb_string);
4770 
4771 	return 0;
4772 }
4773 
4774 /*
4775  * print_hwp()
4776  * Decode the MSR_HWP_CAPABILITIES
4777  */
4778 int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4779 {
4780 	unsigned long long msr;
4781 	int cpu;
4782 
4783 	UNUSED(c);
4784 	UNUSED(p);
4785 
4786 	if (!has_hwp)
4787 		return 0;
4788 
4789 	cpu = t->cpu_id;
4790 
4791 	/* MSR_HWP_CAPABILITIES is per-package */
4792 	if (!is_cpu_first_thread_in_package(t, c, p))
4793 		return 0;
4794 
4795 	if (cpu_migrate(cpu)) {
4796 		fprintf(outf, "print_hwp: Could not migrate to CPU %d\n", cpu);
4797 		return -1;
4798 	}
4799 
4800 	if (get_msr(cpu, MSR_PM_ENABLE, &msr))
4801 		return 0;
4802 
4803 	fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", cpu, msr, (msr & (1 << 0)) ? "" : "No-");
4804 
4805 	/* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */
4806 	if ((msr & (1 << 0)) == 0)
4807 		return 0;
4808 
4809 	if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr))
4810 		return 0;
4811 
4812 	fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx "
4813 		"(high %d guar %d eff %d low %d)\n",
4814 		cpu, msr,
4815 		(unsigned int)HWP_HIGHEST_PERF(msr),
4816 		(unsigned int)HWP_GUARANTEED_PERF(msr),
4817 		(unsigned int)HWP_MOSTEFFICIENT_PERF(msr), (unsigned int)HWP_LOWEST_PERF(msr));
4818 
4819 	if (get_msr(cpu, MSR_HWP_REQUEST, &msr))
4820 		return 0;
4821 
4822 	fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx "
4823 		"(min %d max %d des %d epp 0x%x window 0x%x pkg 0x%x)\n",
4824 		cpu, msr,
4825 		(unsigned int)(((msr) >> 0) & 0xff),
4826 		(unsigned int)(((msr) >> 8) & 0xff),
4827 		(unsigned int)(((msr) >> 16) & 0xff),
4828 		(unsigned int)(((msr) >> 24) & 0xff),
4829 		(unsigned int)(((msr) >> 32) & 0xff3), (unsigned int)(((msr) >> 42) & 0x1));
4830 
4831 	if (has_hwp_pkg) {
4832 		if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr))
4833 			return 0;
4834 
4835 		fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx "
4836 			"(min %d max %d des %d epp 0x%x window 0x%x)\n",
4837 			cpu, msr,
4838 			(unsigned int)(((msr) >> 0) & 0xff),
4839 			(unsigned int)(((msr) >> 8) & 0xff),
4840 			(unsigned int)(((msr) >> 16) & 0xff),
4841 			(unsigned int)(((msr) >> 24) & 0xff), (unsigned int)(((msr) >> 32) & 0xff3));
4842 	}
4843 	if (has_hwp_notify) {
4844 		if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr))
4845 			return 0;
4846 
4847 		fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx "
4848 			"(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n",
4849 			cpu, msr, ((msr) & 0x1) ? "EN" : "Dis", ((msr) & 0x2) ? "EN" : "Dis");
4850 	}
4851 	if (get_msr(cpu, MSR_HWP_STATUS, &msr))
4852 		return 0;
4853 
4854 	fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx "
4855 		"(%sGuaranteed_Perf_Change, %sExcursion_Min)\n",
4856 		cpu, msr, ((msr) & 0x1) ? "" : "No-", ((msr) & 0x4) ? "" : "No-");
4857 
4858 	return 0;
4859 }
4860 
4861 /*
4862  * print_perf_limit()
4863  */
4864 int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p)
4865 {
4866 	unsigned long long msr;
4867 	int cpu;
4868 
4869 	UNUSED(c);
4870 	UNUSED(p);
4871 
4872 	cpu = t->cpu_id;
4873 
4874 	/* per-package */
4875 	if (!is_cpu_first_thread_in_package(t, c, p))
4876 		return 0;
4877 
4878 	if (cpu_migrate(cpu)) {
4879 		fprintf(outf, "print_perf_limit: Could not migrate to CPU %d\n", cpu);
4880 		return -1;
4881 	}
4882 
4883 	if (platform->plr_msrs & PLR_CORE) {
4884 		get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr);
4885 		fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
4886 		fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)",
4887 			(msr & 1 << 15) ? "bit15, " : "",
4888 			(msr & 1 << 14) ? "bit14, " : "",
4889 			(msr & 1 << 13) ? "Transitions, " : "",
4890 			(msr & 1 << 12) ? "MultiCoreTurbo, " : "",
4891 			(msr & 1 << 11) ? "PkgPwrL2, " : "",
4892 			(msr & 1 << 10) ? "PkgPwrL1, " : "",
4893 			(msr & 1 << 9) ? "CorePwr, " : "",
4894 			(msr & 1 << 8) ? "Amps, " : "",
4895 			(msr & 1 << 6) ? "VR-Therm, " : "",
4896 			(msr & 1 << 5) ? "Auto-HWP, " : "",
4897 			(msr & 1 << 4) ? "Graphics, " : "",
4898 			(msr & 1 << 2) ? "bit2, " : "",
4899 			(msr & 1 << 1) ? "ThermStatus, " : "", (msr & 1 << 0) ? "PROCHOT, " : "");
4900 		fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n",
4901 			(msr & 1 << 31) ? "bit31, " : "",
4902 			(msr & 1 << 30) ? "bit30, " : "",
4903 			(msr & 1 << 29) ? "Transitions, " : "",
4904 			(msr & 1 << 28) ? "MultiCoreTurbo, " : "",
4905 			(msr & 1 << 27) ? "PkgPwrL2, " : "",
4906 			(msr & 1 << 26) ? "PkgPwrL1, " : "",
4907 			(msr & 1 << 25) ? "CorePwr, " : "",
4908 			(msr & 1 << 24) ? "Amps, " : "",
4909 			(msr & 1 << 22) ? "VR-Therm, " : "",
4910 			(msr & 1 << 21) ? "Auto-HWP, " : "",
4911 			(msr & 1 << 20) ? "Graphics, " : "",
4912 			(msr & 1 << 18) ? "bit18, " : "",
4913 			(msr & 1 << 17) ? "ThermStatus, " : "", (msr & 1 << 16) ? "PROCHOT, " : "");
4914 
4915 	}
4916 	if (platform->plr_msrs & PLR_GFX) {
4917 		get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr);
4918 		fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
4919 		fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)",
4920 			(msr & 1 << 0) ? "PROCHOT, " : "",
4921 			(msr & 1 << 1) ? "ThermStatus, " : "",
4922 			(msr & 1 << 4) ? "Graphics, " : "",
4923 			(msr & 1 << 6) ? "VR-Therm, " : "",
4924 			(msr & 1 << 8) ? "Amps, " : "",
4925 			(msr & 1 << 9) ? "GFXPwr, " : "",
4926 			(msr & 1 << 10) ? "PkgPwrL1, " : "", (msr & 1 << 11) ? "PkgPwrL2, " : "");
4927 		fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n",
4928 			(msr & 1 << 16) ? "PROCHOT, " : "",
4929 			(msr & 1 << 17) ? "ThermStatus, " : "",
4930 			(msr & 1 << 20) ? "Graphics, " : "",
4931 			(msr & 1 << 22) ? "VR-Therm, " : "",
4932 			(msr & 1 << 24) ? "Amps, " : "",
4933 			(msr & 1 << 25) ? "GFXPwr, " : "",
4934 			(msr & 1 << 26) ? "PkgPwrL1, " : "", (msr & 1 << 27) ? "PkgPwrL2, " : "");
4935 	}
4936 	if (platform->plr_msrs & PLR_RING) {
4937 		get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr);
4938 		fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
4939 		fprintf(outf, " (Active: %s%s%s%s%s%s)",
4940 			(msr & 1 << 0) ? "PROCHOT, " : "",
4941 			(msr & 1 << 1) ? "ThermStatus, " : "",
4942 			(msr & 1 << 6) ? "VR-Therm, " : "",
4943 			(msr & 1 << 8) ? "Amps, " : "",
4944 			(msr & 1 << 10) ? "PkgPwrL1, " : "", (msr & 1 << 11) ? "PkgPwrL2, " : "");
4945 		fprintf(outf, " (Logged: %s%s%s%s%s%s)\n",
4946 			(msr & 1 << 16) ? "PROCHOT, " : "",
4947 			(msr & 1 << 17) ? "ThermStatus, " : "",
4948 			(msr & 1 << 22) ? "VR-Therm, " : "",
4949 			(msr & 1 << 24) ? "Amps, " : "",
4950 			(msr & 1 << 26) ? "PkgPwrL1, " : "", (msr & 1 << 27) ? "PkgPwrL2, " : "");
4951 	}
4952 	return 0;
4953 }
4954 
4955 #define	RAPL_POWER_GRANULARITY	0x7FFF	/* 15 bit power granularity */
4956 #define	RAPL_TIME_GRANULARITY	0x3F	/* 6 bit time granularity */
4957 
4958 double get_quirk_tdp(void)
4959 {
4960 	if (platform->rapl_quirk_tdp)
4961 		return platform->rapl_quirk_tdp;
4962 
4963 	return 135.0;
4964 }
4965 
4966 double get_tdp_intel(void)
4967 {
4968 	unsigned long long msr;
4969 
4970 	if (platform->rapl_msrs & RAPL_PKG_POWER_INFO)
4971 		if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr))
4972 			return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
4973 	return get_quirk_tdp();
4974 }
4975 
4976 double get_tdp_amd(void)
4977 {
4978 	return get_quirk_tdp();
4979 }
4980 
4981 void rapl_probe_intel(void)
4982 {
4983 	unsigned long long msr;
4984 	unsigned int time_unit;
4985 	double tdp;
4986 
4987 	if (rapl_joules) {
4988 		if (platform->rapl_msrs & RAPL_PKG_ENERGY_STATUS)
4989 			BIC_PRESENT(BIC_Pkg_J);
4990 		if (platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS)
4991 			BIC_PRESENT(BIC_Cor_J);
4992 		if (platform->rapl_msrs & RAPL_DRAM_ENERGY_STATUS)
4993 			BIC_PRESENT(BIC_RAM_J);
4994 		if (platform->rapl_msrs & RAPL_GFX_ENERGY_STATUS)
4995 			BIC_PRESENT(BIC_GFX_J);
4996 	} else {
4997 		if (platform->rapl_msrs & RAPL_PKG_ENERGY_STATUS)
4998 			BIC_PRESENT(BIC_PkgWatt);
4999 		if (platform->rapl_msrs & RAPL_CORE_ENERGY_STATUS)
5000 			BIC_PRESENT(BIC_CorWatt);
5001 		if (platform->rapl_msrs & RAPL_DRAM_ENERGY_STATUS)
5002 			BIC_PRESENT(BIC_RAMWatt);
5003 		if (platform->rapl_msrs & RAPL_GFX_ENERGY_STATUS)
5004 			BIC_PRESENT(BIC_GFXWatt);
5005 	}
5006 
5007 	if (platform->rapl_msrs & RAPL_PKG_PERF_STATUS)
5008 		BIC_PRESENT(BIC_PKG__);
5009 	if (platform->rapl_msrs & RAPL_DRAM_PERF_STATUS)
5010 		BIC_PRESENT(BIC_RAM__);
5011 
5012 	/* units on package 0, verify later other packages match */
5013 	if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr))
5014 		return;
5015 
5016 	rapl_power_units = 1.0 / (1 << (msr & 0xF));
5017 	if (platform->has_rapl_divisor)
5018 		rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
5019 	else
5020 		rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
5021 
5022 	if (platform->has_fixed_rapl_unit)
5023 		rapl_dram_energy_units = (15.3 / 1000000);
5024 	else
5025 		rapl_dram_energy_units = rapl_energy_units;
5026 
5027 	time_unit = msr >> 16 & 0xF;
5028 	if (time_unit == 0)
5029 		time_unit = 0xA;
5030 
5031 	rapl_time_units = 1.0 / (1 << (time_unit));
5032 
5033 	tdp = get_tdp_intel();
5034 
5035 	rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
5036 	if (!quiet)
5037 		fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
5038 }
5039 
5040 void rapl_probe_amd(void)
5041 {
5042 	unsigned long long msr;
5043 	double tdp;
5044 
5045 	if (rapl_joules) {
5046 		BIC_PRESENT(BIC_Pkg_J);
5047 		BIC_PRESENT(BIC_Cor_J);
5048 	} else {
5049 		BIC_PRESENT(BIC_PkgWatt);
5050 		BIC_PRESENT(BIC_CorWatt);
5051 	}
5052 
5053 	if (get_msr(base_cpu, MSR_RAPL_PWR_UNIT, &msr))
5054 		return;
5055 
5056 	rapl_time_units = ldexp(1.0, -(msr >> 16 & 0xf));
5057 	rapl_energy_units = ldexp(1.0, -(msr >> 8 & 0x1f));
5058 	rapl_power_units = ldexp(1.0, -(msr & 0xf));
5059 
5060 	tdp = get_tdp_amd();
5061 
5062 	rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
5063 	if (!quiet)
5064 		fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
5065 }
5066 
5067 void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
5068 {
5069 	fprintf(outf, "cpu%d: %s: %sabled (%0.3f Watts, %f sec, clamp %sabled)\n",
5070 		cpu, label,
5071 		((msr >> 15) & 1) ? "EN" : "DIS",
5072 		((msr >> 0) & 0x7FFF) * rapl_power_units,
5073 		(1.0 + (((msr >> 22) & 0x3) / 4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
5074 		(((msr >> 16) & 1) ? "EN" : "DIS"));
5075 
5076 	return;
5077 }
5078 
5079 int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
5080 {
5081 	unsigned long long msr;
5082 	const char *msr_name;
5083 	int cpu;
5084 
5085 	UNUSED(c);
5086 	UNUSED(p);
5087 
5088 	if (!platform->rapl_msrs)
5089 		return 0;
5090 
5091 	/* RAPL counters are per package, so print only for 1st thread/package */
5092 	if (!is_cpu_first_thread_in_package(t, c, p))
5093 		return 0;
5094 
5095 	cpu = t->cpu_id;
5096 	if (cpu_migrate(cpu)) {
5097 		fprintf(outf, "print_rapl: Could not migrate to CPU %d\n", cpu);
5098 		return -1;
5099 	}
5100 
5101 	if (platform->rapl_msrs & RAPL_AMD_F17H) {
5102 		msr_name = "MSR_RAPL_PWR_UNIT";
5103 		if (get_msr(cpu, MSR_RAPL_PWR_UNIT, &msr))
5104 			return -1;
5105 	} else {
5106 		msr_name = "MSR_RAPL_POWER_UNIT";
5107 		if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
5108 			return -1;
5109 	}
5110 
5111 	fprintf(outf, "cpu%d: %s: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr_name, msr,
5112 		rapl_power_units, rapl_energy_units, rapl_time_units);
5113 
5114 	if (platform->rapl_msrs & RAPL_PKG_POWER_INFO) {
5115 
5116 		if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
5117 			return -5;
5118 
5119 		fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
5120 			cpu, msr,
5121 			((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
5122 			((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
5123 			((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
5124 			((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
5125 
5126 	}
5127 	if (platform->rapl_msrs & RAPL_PKG) {
5128 
5129 		if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
5130 			return -9;
5131 
5132 		fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
5133 			cpu, msr, (msr >> 63) & 1 ? "" : "UN");
5134 
5135 		print_power_limit_msr(cpu, msr, "PKG Limit #1");
5136 		fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%0.3f Watts, %f* sec, clamp %sabled)\n",
5137 			cpu,
5138 			((msr >> 47) & 1) ? "EN" : "DIS",
5139 			((msr >> 32) & 0x7FFF) * rapl_power_units,
5140 			(1.0 + (((msr >> 54) & 0x3) / 4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
5141 			((msr >> 48) & 1) ? "EN" : "DIS");
5142 
5143 		if (get_msr(cpu, MSR_VR_CURRENT_CONFIG, &msr))
5144 			return -9;
5145 
5146 		fprintf(outf, "cpu%d: MSR_VR_CURRENT_CONFIG: 0x%08llx\n", cpu, msr);
5147 		fprintf(outf, "cpu%d: PKG Limit #4: %f Watts (%slocked)\n",
5148 			cpu, ((msr >> 0) & 0x1FFF) * rapl_power_units, (msr >> 31) & 1 ? "" : "UN");
5149 	}
5150 
5151 	if (platform->rapl_msrs & RAPL_DRAM_POWER_INFO) {
5152 		if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
5153 			return -6;
5154 
5155 		fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
5156 			cpu, msr,
5157 			((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
5158 			((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
5159 			((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
5160 			((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
5161 	}
5162 	if (platform->rapl_msrs & RAPL_DRAM) {
5163 		if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
5164 			return -9;
5165 		fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
5166 			cpu, msr, (msr >> 31) & 1 ? "" : "UN");
5167 
5168 		print_power_limit_msr(cpu, msr, "DRAM Limit");
5169 	}
5170 	if (platform->rapl_msrs & RAPL_CORE_POLICY) {
5171 		if (get_msr(cpu, MSR_PP0_POLICY, &msr))
5172 			return -7;
5173 
5174 		fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
5175 	}
5176 	if (platform->rapl_msrs & RAPL_CORE_POWER_LIMIT) {
5177 		if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
5178 			return -9;
5179 		fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
5180 			cpu, msr, (msr >> 31) & 1 ? "" : "UN");
5181 		print_power_limit_msr(cpu, msr, "Cores Limit");
5182 	}
5183 	if (platform->rapl_msrs & RAPL_GFX) {
5184 		if (get_msr(cpu, MSR_PP1_POLICY, &msr))
5185 			return -8;
5186 
5187 		fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
5188 
5189 		if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
5190 			return -9;
5191 		fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
5192 			cpu, msr, (msr >> 31) & 1 ? "" : "UN");
5193 		print_power_limit_msr(cpu, msr, "GFX Limit");
5194 	}
5195 	return 0;
5196 }
5197 
5198 /*
5199  * probe_rapl()
5200  *
5201  * sets rapl_power_units, rapl_energy_units, rapl_time_units
5202  */
5203 void probe_rapl(void)
5204 {
5205 	if (!platform->rapl_msrs)
5206 		return;
5207 
5208 	if (genuine_intel)
5209 		rapl_probe_intel();
5210 	if (authentic_amd || hygon_genuine)
5211 		rapl_probe_amd();
5212 
5213 	if (quiet)
5214 		return;
5215 
5216 	for_all_cpus(print_rapl, ODD_COUNTERS);
5217 }
5218 
5219 /*
5220  * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
5221  * the Thermal Control Circuit (TCC) activates.
5222  * This is usually equal to tjMax.
5223  *
5224  * Older processors do not have this MSR, so there we guess,
5225  * but also allow cmdline over-ride with -T.
5226  *
5227  * Several MSR temperature values are in units of degrees-C
5228  * below this value, including the Digital Thermal Sensor (DTS),
5229  * Package Thermal Management Sensor (PTM), and thermal event thresholds.
5230  */
5231 int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
5232 {
5233 	unsigned long long msr;
5234 	unsigned int tcc_default, tcc_offset;
5235 	int cpu;
5236 
5237 	UNUSED(c);
5238 	UNUSED(p);
5239 
5240 	/* tj_max is used only for dts or ptm */
5241 	if (!(do_dts || do_ptm))
5242 		return 0;
5243 
5244 	/* this is a per-package concept */
5245 	if (!is_cpu_first_thread_in_package(t, c, p))
5246 		return 0;
5247 
5248 	cpu = t->cpu_id;
5249 	if (cpu_migrate(cpu)) {
5250 		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
5251 		return -1;
5252 	}
5253 
5254 	if (tj_max_override != 0) {
5255 		tj_max = tj_max_override;
5256 		fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", cpu, tj_max);
5257 		return 0;
5258 	}
5259 
5260 	/* Temperature Target MSR is Nehalem and newer only */
5261 	if (!platform->has_nhm_msrs)
5262 		goto guess;
5263 
5264 	if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr))
5265 		goto guess;
5266 
5267 	tcc_default = (msr >> 16) & 0xFF;
5268 
5269 	if (!quiet) {
5270 		int bits = platform->tcc_offset_bits;
5271 		unsigned long long enabled = 0;
5272 
5273 		if (bits && !get_msr(base_cpu, MSR_PLATFORM_INFO, &enabled))
5274 			enabled = (enabled >> 30) & 1;
5275 
5276 		if (bits && enabled) {
5277 			tcc_offset = (msr >> 24) & GENMASK(bits - 1, 0);
5278 			fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C) (%d default - %d offset)\n",
5279 				cpu, msr, tcc_default - tcc_offset, tcc_default, tcc_offset);
5280 		} else {
5281 			fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", cpu, msr, tcc_default);
5282 		}
5283 	}
5284 
5285 	if (!tcc_default)
5286 		goto guess;
5287 
5288 	tj_max = tcc_default;
5289 
5290 	return 0;
5291 
5292 guess:
5293 	tj_max = TJMAX_DEFAULT;
5294 	fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", cpu, tj_max);
5295 
5296 	return 0;
5297 }
5298 
5299 int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
5300 {
5301 	unsigned long long msr;
5302 	unsigned int dts, dts2;
5303 	int cpu;
5304 
5305 	UNUSED(c);
5306 	UNUSED(p);
5307 
5308 	if (!(do_dts || do_ptm))
5309 		return 0;
5310 
5311 	cpu = t->cpu_id;
5312 
5313 	/* DTS is per-core, no need to print for each thread */
5314 	if (!is_cpu_first_thread_in_core(t, c, p))
5315 		return 0;
5316 
5317 	if (cpu_migrate(cpu)) {
5318 		fprintf(outf, "print_thermal: Could not migrate to CPU %d\n", cpu);
5319 		return -1;
5320 	}
5321 
5322 	if (do_ptm && is_cpu_first_core_in_package(t, c, p)) {
5323 		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
5324 			return 0;
5325 
5326 		dts = (msr >> 16) & 0x7F;
5327 		fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", cpu, msr, tj_max - dts);
5328 
5329 		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
5330 			return 0;
5331 
5332 		dts = (msr >> 16) & 0x7F;
5333 		dts2 = (msr >> 8) & 0x7F;
5334 		fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
5335 			cpu, msr, tj_max - dts, tj_max - dts2);
5336 	}
5337 
5338 	if (do_dts && debug) {
5339 		unsigned int resolution;
5340 
5341 		if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
5342 			return 0;
5343 
5344 		dts = (msr >> 16) & 0x7F;
5345 		resolution = (msr >> 27) & 0xF;
5346 		fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
5347 			cpu, msr, tj_max - dts, resolution);
5348 
5349 		if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
5350 			return 0;
5351 
5352 		dts = (msr >> 16) & 0x7F;
5353 		dts2 = (msr >> 8) & 0x7F;
5354 		fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
5355 			cpu, msr, tj_max - dts, tj_max - dts2);
5356 	}
5357 
5358 	return 0;
5359 }
5360 
5361 void probe_thermal(void)
5362 {
5363 	if (!access("/sys/devices/system/cpu/cpu0/thermal_throttle/core_throttle_count", R_OK))
5364 		BIC_PRESENT(BIC_CORE_THROT_CNT);
5365 	else
5366 		BIC_NOT_PRESENT(BIC_CORE_THROT_CNT);
5367 
5368 	for_all_cpus(set_temperature_target, ODD_COUNTERS);
5369 
5370 	if (quiet)
5371 		return;
5372 
5373 	for_all_cpus(print_thermal, ODD_COUNTERS);
5374 }
5375 
5376 int get_cpu_type(struct thread_data *t, struct core_data *c, struct pkg_data *p)
5377 {
5378 	unsigned int eax, ebx, ecx, edx;
5379 
5380 	UNUSED(c);
5381 	UNUSED(p);
5382 
5383 	if (!genuine_intel)
5384 		return 0;
5385 
5386 	if (cpu_migrate(t->cpu_id)) {
5387 		fprintf(outf, "Could not migrate to CPU %d\n", t->cpu_id);
5388 		return -1;
5389 	}
5390 
5391 	if (max_level < 0x1a)
5392 		return 0;
5393 
5394 	__cpuid(0x1a, eax, ebx, ecx, edx);
5395 	eax = (eax >> 24) & 0xFF;
5396 	if (eax == 0x20)
5397 		t->is_atom = true;
5398 	return 0;
5399 }
5400 
5401 void decode_feature_control_msr(void)
5402 {
5403 	unsigned long long msr;
5404 
5405 	if (!get_msr(base_cpu, MSR_IA32_FEAT_CTL, &msr))
5406 		fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n",
5407 			base_cpu, msr, msr & FEAT_CTL_LOCKED ? "" : "UN-", msr & (1 << 18) ? "SGX" : "");
5408 }
5409 
5410 void decode_misc_enable_msr(void)
5411 {
5412 	unsigned long long msr;
5413 
5414 	if (!genuine_intel)
5415 		return;
5416 
5417 	if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr))
5418 		fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%sTCC %sEIST %sMWAIT %sPREFETCH %sTURBO)\n",
5419 			base_cpu, msr,
5420 			msr & MSR_IA32_MISC_ENABLE_TM1 ? "" : "No-",
5421 			msr & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP ? "" : "No-",
5422 			msr & MSR_IA32_MISC_ENABLE_MWAIT ? "" : "No-",
5423 			msr & MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE ? "No-" : "",
5424 			msr & MSR_IA32_MISC_ENABLE_TURBO_DISABLE ? "No-" : "");
5425 }
5426 
5427 void decode_misc_feature_control(void)
5428 {
5429 	unsigned long long msr;
5430 
5431 	if (!platform->has_msr_misc_feature_control)
5432 		return;
5433 
5434 	if (!get_msr(base_cpu, MSR_MISC_FEATURE_CONTROL, &msr))
5435 		fprintf(outf,
5436 			"cpu%d: MSR_MISC_FEATURE_CONTROL: 0x%08llx (%sL2-Prefetch %sL2-Prefetch-pair %sL1-Prefetch %sL1-IP-Prefetch)\n",
5437 			base_cpu, msr, msr & (0 << 0) ? "No-" : "", msr & (1 << 0) ? "No-" : "",
5438 			msr & (2 << 0) ? "No-" : "", msr & (3 << 0) ? "No-" : "");
5439 }
5440 
5441 /*
5442  * Decode MSR_MISC_PWR_MGMT
5443  *
5444  * Decode the bits according to the Nehalem documentation
5445  * bit[0] seems to continue to have same meaning going forward
5446  * bit[1] less so...
5447  */
5448 void decode_misc_pwr_mgmt_msr(void)
5449 {
5450 	unsigned long long msr;
5451 
5452 	if (!platform->has_msr_misc_pwr_mgmt)
5453 		return;
5454 
5455 	if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr))
5456 		fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB %sable-OOB)\n",
5457 			base_cpu, msr,
5458 			msr & (1 << 0) ? "DIS" : "EN", msr & (1 << 1) ? "EN" : "DIS", msr & (1 << 8) ? "EN" : "DIS");
5459 }
5460 
5461 /*
5462  * Decode MSR_CC6_DEMOTION_POLICY_CONFIG, MSR_MC6_DEMOTION_POLICY_CONFIG
5463  *
5464  * This MSRs are present on Silvermont processors,
5465  * Intel Atom processor E3000 series (Baytrail), and friends.
5466  */
5467 void decode_c6_demotion_policy_msr(void)
5468 {
5469 	unsigned long long msr;
5470 
5471 	if (!platform->has_msr_c6_demotion_policy_config)
5472 		return;
5473 
5474 	if (!get_msr(base_cpu, MSR_CC6_DEMOTION_POLICY_CONFIG, &msr))
5475 		fprintf(outf, "cpu%d: MSR_CC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-CC6-Demotion)\n",
5476 			base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
5477 
5478 	if (!get_msr(base_cpu, MSR_MC6_DEMOTION_POLICY_CONFIG, &msr))
5479 		fprintf(outf, "cpu%d: MSR_MC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-MC6-Demotion)\n",
5480 			base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
5481 }
5482 
5483 void print_dev_latency(void)
5484 {
5485 	char *path = "/dev/cpu_dma_latency";
5486 	int fd;
5487 	int value;
5488 	int retval;
5489 
5490 	fd = open(path, O_RDONLY);
5491 	if (fd < 0) {
5492 		warnx("capget(CAP_SYS_ADMIN) failed, try \"# setcap cap_sys_admin=ep %s\"", progname);
5493 		return;
5494 	}
5495 
5496 	retval = read(fd, (void *)&value, sizeof(int));
5497 	if (retval != sizeof(int)) {
5498 		warn("read failed %s", path);
5499 		close(fd);
5500 		return;
5501 	}
5502 	fprintf(outf, "/dev/cpu_dma_latency: %d usec (%s)\n", value, value == 2000000000 ? "default" : "constrained");
5503 
5504 	close(fd);
5505 }
5506 
5507 /*
5508  * Linux-perf manages the HW instructions-retired counter
5509  * by enabling when requested, and hiding rollover
5510  */
5511 void linux_perf_init(void)
5512 {
5513 	if (!BIC_IS_ENABLED(BIC_IPC))
5514 		return;
5515 
5516 	if (access("/proc/sys/kernel/perf_event_paranoid", F_OK))
5517 		return;
5518 
5519 	fd_instr_count_percpu = calloc(topo.max_cpu_num + 1, sizeof(int));
5520 	if (fd_instr_count_percpu == NULL)
5521 		err(-1, "calloc fd_instr_count_percpu");
5522 
5523 	BIC_PRESENT(BIC_IPC);
5524 }
5525 
5526 void probe_cstates(void)
5527 {
5528 	probe_cst_limit();
5529 
5530 	if (platform->supported_cstates & CC1)
5531 		BIC_PRESENT(BIC_CPU_c1);
5532 
5533 	if (platform->supported_cstates & CC3)
5534 		BIC_PRESENT(BIC_CPU_c3);
5535 
5536 	if (platform->supported_cstates & CC6)
5537 		BIC_PRESENT(BIC_CPU_c6);
5538 
5539 	if (platform->supported_cstates & CC7)
5540 		BIC_PRESENT(BIC_CPU_c7);
5541 
5542 	if (platform->supported_cstates & PC2 && (pkg_cstate_limit >= PCL__2))
5543 		BIC_PRESENT(BIC_Pkgpc2);
5544 
5545 	if (platform->supported_cstates & PC3 && (pkg_cstate_limit >= PCL__3))
5546 		BIC_PRESENT(BIC_Pkgpc3);
5547 
5548 	if (platform->supported_cstates & PC6 && (pkg_cstate_limit >= PCL__6))
5549 		BIC_PRESENT(BIC_Pkgpc6);
5550 
5551 	if (platform->supported_cstates & PC7 && (pkg_cstate_limit >= PCL__7))
5552 		BIC_PRESENT(BIC_Pkgpc7);
5553 
5554 	if (platform->supported_cstates & PC8 && (pkg_cstate_limit >= PCL__8))
5555 		BIC_PRESENT(BIC_Pkgpc8);
5556 
5557 	if (platform->supported_cstates & PC9 && (pkg_cstate_limit >= PCL__9))
5558 		BIC_PRESENT(BIC_Pkgpc9);
5559 
5560 	if (platform->supported_cstates & PC10 && (pkg_cstate_limit >= PCL_10))
5561 		BIC_PRESENT(BIC_Pkgpc10);
5562 
5563 	if (platform->has_msr_module_c6_res_ms)
5564 		BIC_PRESENT(BIC_Mod_c6);
5565 
5566 	if (platform->has_ext_cst_msrs) {
5567 		BIC_PRESENT(BIC_Totl_c0);
5568 		BIC_PRESENT(BIC_Any_c0);
5569 		BIC_PRESENT(BIC_GFX_c0);
5570 		BIC_PRESENT(BIC_CPUGFX);
5571 	}
5572 
5573 	if (quiet)
5574 		return;
5575 
5576 	dump_power_ctl();
5577 	dump_cst_cfg();
5578 	decode_c6_demotion_policy_msr();
5579 	print_dev_latency();
5580 	dump_sysfs_cstate_config();
5581 	print_irtl();
5582 }
5583 
5584 void probe_lpi(void)
5585 {
5586 	if (!access("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", R_OK))
5587 		BIC_PRESENT(BIC_CPU_LPI);
5588 	else
5589 		BIC_NOT_PRESENT(BIC_CPU_LPI);
5590 
5591 	if (!access(sys_lpi_file_sysfs, R_OK)) {
5592 		sys_lpi_file = sys_lpi_file_sysfs;
5593 		BIC_PRESENT(BIC_SYS_LPI);
5594 	} else if (!access(sys_lpi_file_debugfs, R_OK)) {
5595 		sys_lpi_file = sys_lpi_file_debugfs;
5596 		BIC_PRESENT(BIC_SYS_LPI);
5597 	} else {
5598 		sys_lpi_file_sysfs = NULL;
5599 		BIC_NOT_PRESENT(BIC_SYS_LPI);
5600 	}
5601 
5602 }
5603 
5604 void probe_pstates(void)
5605 {
5606 	probe_bclk();
5607 
5608 	if (quiet)
5609 		return;
5610 
5611 	dump_platform_info();
5612 	dump_turbo_ratio_info();
5613 	dump_sysfs_pstate_config();
5614 	decode_misc_pwr_mgmt_msr();
5615 
5616 	for_all_cpus(print_hwp, ODD_COUNTERS);
5617 	for_all_cpus(print_epb, ODD_COUNTERS);
5618 	for_all_cpus(print_perf_limit, ODD_COUNTERS);
5619 }
5620 
5621 void process_cpuid()
5622 {
5623 	unsigned int eax, ebx, ecx, edx;
5624 	unsigned int fms, family, model, stepping, ecx_flags, edx_flags;
5625 	unsigned long long ucode_patch = 0;
5626 
5627 	eax = ebx = ecx = edx = 0;
5628 
5629 	__cpuid(0, max_level, ebx, ecx, edx);
5630 
5631 	if (ebx == 0x756e6547 && ecx == 0x6c65746e && edx == 0x49656e69)
5632 		genuine_intel = 1;
5633 	else if (ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65)
5634 		authentic_amd = 1;
5635 	else if (ebx == 0x6f677948 && ecx == 0x656e6975 && edx == 0x6e65476e)
5636 		hygon_genuine = 1;
5637 
5638 	if (!quiet)
5639 		fprintf(outf, "CPUID(0): %.4s%.4s%.4s 0x%x CPUID levels\n",
5640 			(char *)&ebx, (char *)&edx, (char *)&ecx, max_level);
5641 
5642 	__cpuid(1, fms, ebx, ecx, edx);
5643 	family = (fms >> 8) & 0xf;
5644 	model = (fms >> 4) & 0xf;
5645 	stepping = fms & 0xf;
5646 	if (family == 0xf)
5647 		family += (fms >> 20) & 0xff;
5648 	if (family >= 6)
5649 		model += ((fms >> 16) & 0xf) << 4;
5650 	ecx_flags = ecx;
5651 	edx_flags = edx;
5652 
5653 	if (get_msr(sched_getcpu(), MSR_IA32_UCODE_REV, &ucode_patch))
5654 		warnx("get_msr(UCODE)");
5655 
5656 	/*
5657 	 * check max extended function levels of CPUID.
5658 	 * This is needed to check for invariant TSC.
5659 	 * This check is valid for both Intel and AMD.
5660 	 */
5661 	ebx = ecx = edx = 0;
5662 	__cpuid(0x80000000, max_extended_level, ebx, ecx, edx);
5663 
5664 	if (!quiet) {
5665 		fprintf(outf, "CPUID(1): family:model:stepping 0x%x:%x:%x (%d:%d:%d) microcode 0x%x\n",
5666 			family, model, stepping, family, model, stepping,
5667 			(unsigned int)((ucode_patch >> 32) & 0xFFFFFFFF));
5668 		fprintf(outf, "CPUID(0x80000000): max_extended_levels: 0x%x\n", max_extended_level);
5669 		fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s %s\n",
5670 			ecx_flags & (1 << 0) ? "SSE3" : "-",
5671 			ecx_flags & (1 << 3) ? "MONITOR" : "-",
5672 			ecx_flags & (1 << 6) ? "SMX" : "-",
5673 			ecx_flags & (1 << 7) ? "EIST" : "-",
5674 			ecx_flags & (1 << 8) ? "TM2" : "-",
5675 			edx_flags & (1 << 4) ? "TSC" : "-",
5676 			edx_flags & (1 << 5) ? "MSR" : "-",
5677 			edx_flags & (1 << 22) ? "ACPI-TM" : "-",
5678 			edx_flags & (1 << 28) ? "HT" : "-", edx_flags & (1 << 29) ? "TM" : "-");
5679 	}
5680 
5681 	probe_platform_features(family, model);
5682 
5683 	if (!(edx_flags & (1 << 5)))
5684 		errx(1, "CPUID: no MSR");
5685 
5686 	if (max_extended_level >= 0x80000007) {
5687 
5688 		/*
5689 		 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
5690 		 * this check is valid for both Intel and AMD
5691 		 */
5692 		__cpuid(0x80000007, eax, ebx, ecx, edx);
5693 		has_invariant_tsc = edx & (1 << 8);
5694 	}
5695 
5696 	/*
5697 	 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
5698 	 * this check is valid for both Intel and AMD
5699 	 */
5700 
5701 	__cpuid(0x6, eax, ebx, ecx, edx);
5702 	has_aperf = ecx & (1 << 0);
5703 	if (has_aperf) {
5704 		BIC_PRESENT(BIC_Avg_MHz);
5705 		BIC_PRESENT(BIC_Busy);
5706 		BIC_PRESENT(BIC_Bzy_MHz);
5707 	}
5708 	do_dts = eax & (1 << 0);
5709 	if (do_dts)
5710 		BIC_PRESENT(BIC_CoreTmp);
5711 	has_turbo = eax & (1 << 1);
5712 	do_ptm = eax & (1 << 6);
5713 	if (do_ptm)
5714 		BIC_PRESENT(BIC_PkgTmp);
5715 	has_hwp = eax & (1 << 7);
5716 	has_hwp_notify = eax & (1 << 8);
5717 	has_hwp_activity_window = eax & (1 << 9);
5718 	has_hwp_epp = eax & (1 << 10);
5719 	has_hwp_pkg = eax & (1 << 11);
5720 	has_epb = ecx & (1 << 3);
5721 
5722 	if (!quiet)
5723 		fprintf(outf, "CPUID(6): %sAPERF, %sTURBO, %sDTS, %sPTM, %sHWP, "
5724 			"%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n",
5725 			has_aperf ? "" : "No-",
5726 			has_turbo ? "" : "No-",
5727 			do_dts ? "" : "No-",
5728 			do_ptm ? "" : "No-",
5729 			has_hwp ? "" : "No-",
5730 			has_hwp_notify ? "" : "No-",
5731 			has_hwp_activity_window ? "" : "No-",
5732 			has_hwp_epp ? "" : "No-", has_hwp_pkg ? "" : "No-", has_epb ? "" : "No-");
5733 
5734 	if (!quiet)
5735 		decode_misc_enable_msr();
5736 
5737 	if (max_level >= 0x7 && !quiet) {
5738 		int has_sgx;
5739 
5740 		ecx = 0;
5741 
5742 		__cpuid_count(0x7, 0, eax, ebx, ecx, edx);
5743 
5744 		has_sgx = ebx & (1 << 2);
5745 
5746 		is_hybrid = edx & (1 << 15);
5747 
5748 		fprintf(outf, "CPUID(7): %sSGX %sHybrid\n", has_sgx ? "" : "No-", is_hybrid ? "" : "No-");
5749 
5750 		if (has_sgx)
5751 			decode_feature_control_msr();
5752 	}
5753 
5754 	if (max_level >= 0x15) {
5755 		unsigned int eax_crystal;
5756 		unsigned int ebx_tsc;
5757 
5758 		/*
5759 		 * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz
5760 		 */
5761 		eax_crystal = ebx_tsc = crystal_hz = edx = 0;
5762 		__cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx);
5763 
5764 		if (ebx_tsc != 0) {
5765 			if (!quiet && (ebx != 0))
5766 				fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n",
5767 					eax_crystal, ebx_tsc, crystal_hz);
5768 
5769 			if (crystal_hz == 0)
5770 				crystal_hz = platform->crystal_freq;
5771 
5772 			if (crystal_hz) {
5773 				tsc_hz = (unsigned long long)crystal_hz *ebx_tsc / eax_crystal;
5774 				if (!quiet)
5775 					fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n",
5776 						tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal);
5777 			}
5778 		}
5779 	}
5780 	if (max_level >= 0x16) {
5781 		unsigned int base_mhz, max_mhz, bus_mhz, edx;
5782 
5783 		/*
5784 		 * CPUID 16H Base MHz, Max MHz, Bus MHz
5785 		 */
5786 		base_mhz = max_mhz = bus_mhz = edx = 0;
5787 
5788 		__cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx);
5789 		if (!quiet)
5790 			fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n",
5791 				base_mhz, max_mhz, bus_mhz);
5792 	}
5793 
5794 	if (has_aperf)
5795 		aperf_mperf_multiplier = platform->need_perf_multiplier ? 1024 : 1;
5796 
5797 	BIC_PRESENT(BIC_IRQ);
5798 	BIC_PRESENT(BIC_TSC_MHz);
5799 }
5800 
5801 void probe_pm_features(void)
5802 {
5803 	probe_pstates();
5804 
5805 	probe_cstates();
5806 
5807 	probe_lpi();
5808 
5809 	probe_intel_uncore_frequency();
5810 
5811 	probe_graphics();
5812 
5813 	probe_rapl();
5814 
5815 	probe_thermal();
5816 
5817 	if (platform->has_nhm_msrs)
5818 		BIC_PRESENT(BIC_SMI);
5819 
5820 	if (!quiet)
5821 		decode_misc_feature_control();
5822 }
5823 
5824 /*
5825  * in /dev/cpu/ return success for names that are numbers
5826  * ie. filter out ".", "..", "microcode".
5827  */
5828 int dir_filter(const struct dirent *dirp)
5829 {
5830 	if (isdigit(dirp->d_name[0]))
5831 		return 1;
5832 	else
5833 		return 0;
5834 }
5835 
5836 void topology_probe(bool startup)
5837 {
5838 	int i;
5839 	int max_core_id = 0;
5840 	int max_package_id = 0;
5841 	int max_die_id = 0;
5842 	int max_siblings = 0;
5843 
5844 	/* Initialize num_cpus, max_cpu_num */
5845 	set_max_cpu_num();
5846 	topo.num_cpus = 0;
5847 	for_all_proc_cpus(count_cpus);
5848 	if (!summary_only && topo.num_cpus > 1)
5849 		BIC_PRESENT(BIC_CPU);
5850 
5851 	if (debug > 1)
5852 		fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
5853 
5854 	cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology));
5855 	if (cpus == NULL)
5856 		err(1, "calloc cpus");
5857 
5858 	/*
5859 	 * Allocate and initialize cpu_present_set
5860 	 */
5861 	cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
5862 	if (cpu_present_set == NULL)
5863 		err(3, "CPU_ALLOC");
5864 	cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
5865 	CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
5866 	for_all_proc_cpus(mark_cpu_present);
5867 
5868 	/*
5869 	 * Allocate and initialize cpu_effective_set
5870 	 */
5871 	cpu_effective_set = CPU_ALLOC((topo.max_cpu_num + 1));
5872 	if (cpu_effective_set == NULL)
5873 		err(3, "CPU_ALLOC");
5874 	cpu_effective_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
5875 	CPU_ZERO_S(cpu_effective_setsize, cpu_effective_set);
5876 	update_effective_set(startup);
5877 
5878 	/*
5879 	 * Allocate and initialize cpu_allowed_set
5880 	 */
5881 	cpu_allowed_set = CPU_ALLOC((topo.max_cpu_num + 1));
5882 	if (cpu_allowed_set == NULL)
5883 		err(3, "CPU_ALLOC");
5884 	cpu_allowed_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
5885 	CPU_ZERO_S(cpu_allowed_setsize, cpu_allowed_set);
5886 
5887 	/*
5888 	 * Validate and update cpu_allowed_set.
5889 	 *
5890 	 * Make sure all cpus in cpu_subset are also in cpu_present_set during startup.
5891 	 * Give a warning when cpus in cpu_subset become unavailable at runtime.
5892 	 * Give a warning when cpus are not effective because of cgroup setting.
5893 	 *
5894 	 * cpu_allowed_set is the intersection of cpu_present_set/cpu_effective_set/cpu_subset.
5895 	 */
5896 	for (i = 0; i < CPU_SUBSET_MAXCPUS; ++i) {
5897 		if (cpu_subset && !CPU_ISSET_S(i, cpu_subset_size, cpu_subset))
5898 			continue;
5899 
5900 		if (!CPU_ISSET_S(i, cpu_present_setsize, cpu_present_set)) {
5901 			if (cpu_subset) {
5902 				/* cpus in cpu_subset must be in cpu_present_set during startup */
5903 				if (startup)
5904 					err(1, "cpu%d not present", i);
5905 				else
5906 					fprintf(stderr, "cpu%d not present\n", i);
5907 			}
5908 			continue;
5909 		}
5910 
5911 		if (CPU_COUNT_S(cpu_effective_setsize, cpu_effective_set)) {
5912 			if (!CPU_ISSET_S(i, cpu_effective_setsize, cpu_effective_set)) {
5913 				fprintf(stderr, "cpu%d not effective\n", i);
5914 				continue;
5915 			}
5916 		}
5917 
5918 		CPU_SET_S(i, cpu_allowed_setsize, cpu_allowed_set);
5919 	}
5920 
5921 	if (!CPU_COUNT_S(cpu_allowed_setsize, cpu_allowed_set))
5922 		err(-ENODEV, "No valid cpus found");
5923 	sched_setaffinity(0, cpu_allowed_setsize, cpu_allowed_set);
5924 
5925 	/*
5926 	 * Allocate and initialize cpu_affinity_set
5927 	 */
5928 	cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
5929 	if (cpu_affinity_set == NULL)
5930 		err(3, "CPU_ALLOC");
5931 	cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
5932 	CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
5933 
5934 	for_all_proc_cpus(init_thread_id);
5935 
5936 	/*
5937 	 * For online cpus
5938 	 * find max_core_id, max_package_id
5939 	 */
5940 	for (i = 0; i <= topo.max_cpu_num; ++i) {
5941 		int siblings;
5942 
5943 		if (cpu_is_not_present(i)) {
5944 			if (debug > 1)
5945 				fprintf(outf, "cpu%d NOT PRESENT\n", i);
5946 			continue;
5947 		}
5948 
5949 		cpus[i].logical_cpu_id = i;
5950 
5951 		/* get package information */
5952 		cpus[i].physical_package_id = get_physical_package_id(i);
5953 		if (cpus[i].physical_package_id > max_package_id)
5954 			max_package_id = cpus[i].physical_package_id;
5955 
5956 		/* get die information */
5957 		cpus[i].die_id = get_die_id(i);
5958 		if (cpus[i].die_id > max_die_id)
5959 			max_die_id = cpus[i].die_id;
5960 
5961 		/* get numa node information */
5962 		cpus[i].physical_node_id = get_physical_node_id(&cpus[i]);
5963 		if (cpus[i].physical_node_id > topo.max_node_num)
5964 			topo.max_node_num = cpus[i].physical_node_id;
5965 
5966 		/* get core information */
5967 		cpus[i].physical_core_id = get_core_id(i);
5968 		if (cpus[i].physical_core_id > max_core_id)
5969 			max_core_id = cpus[i].physical_core_id;
5970 
5971 		/* get thread information */
5972 		siblings = get_thread_siblings(&cpus[i]);
5973 		if (siblings > max_siblings)
5974 			max_siblings = siblings;
5975 		if (cpus[i].thread_id == 0)
5976 			topo.num_cores++;
5977 	}
5978 
5979 	topo.cores_per_node = max_core_id + 1;
5980 	if (debug > 1)
5981 		fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", max_core_id, topo.cores_per_node);
5982 	if (!summary_only && topo.cores_per_node > 1)
5983 		BIC_PRESENT(BIC_Core);
5984 
5985 	topo.num_die = max_die_id + 1;
5986 	if (debug > 1)
5987 		fprintf(outf, "max_die_id %d, sizing for %d die\n", max_die_id, topo.num_die);
5988 	if (!summary_only && topo.num_die > 1)
5989 		BIC_PRESENT(BIC_Die);
5990 
5991 	topo.num_packages = max_package_id + 1;
5992 	if (debug > 1)
5993 		fprintf(outf, "max_package_id %d, sizing for %d packages\n", max_package_id, topo.num_packages);
5994 	if (!summary_only && topo.num_packages > 1)
5995 		BIC_PRESENT(BIC_Package);
5996 
5997 	set_node_data();
5998 	if (debug > 1)
5999 		fprintf(outf, "nodes_per_pkg %d\n", topo.nodes_per_pkg);
6000 	if (!summary_only && topo.nodes_per_pkg > 1)
6001 		BIC_PRESENT(BIC_Node);
6002 
6003 	topo.threads_per_core = max_siblings;
6004 	if (debug > 1)
6005 		fprintf(outf, "max_siblings %d\n", max_siblings);
6006 
6007 	if (debug < 1)
6008 		return;
6009 
6010 	for (i = 0; i <= topo.max_cpu_num; ++i) {
6011 		if (cpu_is_not_present(i))
6012 			continue;
6013 		fprintf(outf,
6014 			"cpu %d pkg %d die %d node %d lnode %d core %d thread %d\n",
6015 			i, cpus[i].physical_package_id, cpus[i].die_id,
6016 			cpus[i].physical_node_id, cpus[i].logical_node_id, cpus[i].physical_core_id, cpus[i].thread_id);
6017 	}
6018 
6019 }
6020 
6021 void allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
6022 {
6023 	int i;
6024 	int num_cores = topo.cores_per_node * topo.nodes_per_pkg * topo.num_packages;
6025 	int num_threads = topo.threads_per_core * num_cores;
6026 
6027 	*t = calloc(num_threads, sizeof(struct thread_data));
6028 	if (*t == NULL)
6029 		goto error;
6030 
6031 	for (i = 0; i < num_threads; i++)
6032 		(*t)[i].cpu_id = -1;
6033 
6034 	*c = calloc(num_cores, sizeof(struct core_data));
6035 	if (*c == NULL)
6036 		goto error;
6037 
6038 	for (i = 0; i < num_cores; i++) {
6039 		(*c)[i].core_id = -1;
6040 		(*c)[i].base_cpu = -1;
6041 	}
6042 
6043 	*p = calloc(topo.num_packages, sizeof(struct pkg_data));
6044 	if (*p == NULL)
6045 		goto error;
6046 
6047 	for (i = 0; i < topo.num_packages; i++) {
6048 		(*p)[i].package_id = i;
6049 		(*p)[i].base_cpu = -1;
6050 	}
6051 
6052 	return;
6053 error:
6054 	err(1, "calloc counters");
6055 }
6056 
6057 /*
6058  * init_counter()
6059  *
6060  * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
6061  */
6062 void init_counter(struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base, int cpu_id)
6063 {
6064 	int pkg_id = cpus[cpu_id].physical_package_id;
6065 	int node_id = cpus[cpu_id].logical_node_id;
6066 	int core_id = cpus[cpu_id].physical_core_id;
6067 	int thread_id = cpus[cpu_id].thread_id;
6068 	struct thread_data *t;
6069 	struct core_data *c;
6070 	struct pkg_data *p;
6071 
6072 	/* Workaround for systems where physical_node_id==-1
6073 	 * and logical_node_id==(-1 - topo.num_cpus)
6074 	 */
6075 	if (node_id < 0)
6076 		node_id = 0;
6077 
6078 	t = GET_THREAD(thread_base, thread_id, core_id, node_id, pkg_id);
6079 	c = GET_CORE(core_base, core_id, node_id, pkg_id);
6080 	p = GET_PKG(pkg_base, pkg_id);
6081 
6082 	t->cpu_id = cpu_id;
6083 	if (!cpu_is_not_allowed(cpu_id)) {
6084 		if (c->base_cpu < 0)
6085 			c->base_cpu = t->cpu_id;
6086 		if (p->base_cpu < 0)
6087 			p->base_cpu = t->cpu_id;
6088 	}
6089 
6090 	c->core_id = core_id;
6091 	p->package_id = pkg_id;
6092 }
6093 
6094 int initialize_counters(int cpu_id)
6095 {
6096 	init_counter(EVEN_COUNTERS, cpu_id);
6097 	init_counter(ODD_COUNTERS, cpu_id);
6098 	return 0;
6099 }
6100 
6101 void allocate_output_buffer()
6102 {
6103 	output_buffer = calloc(1, (1 + topo.num_cpus) * 2048);
6104 	outp = output_buffer;
6105 	if (outp == NULL)
6106 		err(-1, "calloc output buffer");
6107 }
6108 
6109 void allocate_fd_percpu(void)
6110 {
6111 	fd_percpu = calloc(topo.max_cpu_num + 1, sizeof(int));
6112 	if (fd_percpu == NULL)
6113 		err(-1, "calloc fd_percpu");
6114 }
6115 
6116 void allocate_irq_buffers(void)
6117 {
6118 	irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int));
6119 	if (irq_column_2_cpu == NULL)
6120 		err(-1, "calloc %d", topo.num_cpus);
6121 
6122 	irqs_per_cpu = calloc(topo.max_cpu_num + 1, sizeof(int));
6123 	if (irqs_per_cpu == NULL)
6124 		err(-1, "calloc %d", topo.max_cpu_num + 1);
6125 }
6126 
6127 int update_topo(struct thread_data *t, struct core_data *c, struct pkg_data *p)
6128 {
6129 	topo.allowed_cpus++;
6130 	if ((int)t->cpu_id == c->base_cpu)
6131 		topo.allowed_cores++;
6132 	if ((int)t->cpu_id == p->base_cpu)
6133 		topo.allowed_packages++;
6134 
6135 	return 0;
6136 }
6137 
6138 void topology_update(void)
6139 {
6140 	topo.allowed_cpus = 0;
6141 	topo.allowed_cores = 0;
6142 	topo.allowed_packages = 0;
6143 	for_all_cpus(update_topo, ODD_COUNTERS);
6144 }
6145 void setup_all_buffers(bool startup)
6146 {
6147 	topology_probe(startup);
6148 	allocate_irq_buffers();
6149 	allocate_fd_percpu();
6150 	allocate_counters(&thread_even, &core_even, &package_even);
6151 	allocate_counters(&thread_odd, &core_odd, &package_odd);
6152 	allocate_output_buffer();
6153 	for_all_proc_cpus(initialize_counters);
6154 	topology_update();
6155 }
6156 
6157 void set_base_cpu(void)
6158 {
6159 	int i;
6160 
6161 	for (i = 0; i < topo.max_cpu_num + 1; ++i) {
6162 		if (cpu_is_not_allowed(i))
6163 			continue;
6164 		base_cpu = i;
6165 		if (debug > 1)
6166 			fprintf(outf, "base_cpu = %d\n", base_cpu);
6167 		return;
6168 	}
6169 	err(-ENODEV, "No valid cpus found");
6170 }
6171 
6172 void turbostat_init()
6173 {
6174 	setup_all_buffers(true);
6175 	set_base_cpu();
6176 	check_dev_msr();
6177 	check_permissions();
6178 	process_cpuid();
6179 	probe_pm_features();
6180 	linux_perf_init();
6181 
6182 	for_all_cpus(get_cpu_type, ODD_COUNTERS);
6183 	for_all_cpus(get_cpu_type, EVEN_COUNTERS);
6184 
6185 	if (DO_BIC(BIC_IPC))
6186 		(void)get_instr_count_fd(base_cpu);
6187 }
6188 
6189 int fork_it(char **argv)
6190 {
6191 	pid_t child_pid;
6192 	int status;
6193 
6194 	snapshot_proc_sysfs_files();
6195 	status = for_all_cpus(get_counters, EVEN_COUNTERS);
6196 	first_counter_read = 0;
6197 	if (status)
6198 		exit(status);
6199 	gettimeofday(&tv_even, (struct timezone *)NULL);
6200 
6201 	child_pid = fork();
6202 	if (!child_pid) {
6203 		/* child */
6204 		execvp(argv[0], argv);
6205 		err(errno, "exec %s", argv[0]);
6206 	} else {
6207 
6208 		/* parent */
6209 		if (child_pid == -1)
6210 			err(1, "fork");
6211 
6212 		signal(SIGINT, SIG_IGN);
6213 		signal(SIGQUIT, SIG_IGN);
6214 		if (waitpid(child_pid, &status, 0) == -1)
6215 			err(status, "waitpid");
6216 
6217 		if (WIFEXITED(status))
6218 			status = WEXITSTATUS(status);
6219 	}
6220 	/*
6221 	 * n.b. fork_it() does not check for errors from for_all_cpus()
6222 	 * because re-starting is problematic when forking
6223 	 */
6224 	snapshot_proc_sysfs_files();
6225 	for_all_cpus(get_counters, ODD_COUNTERS);
6226 	gettimeofday(&tv_odd, (struct timezone *)NULL);
6227 	timersub(&tv_odd, &tv_even, &tv_delta);
6228 	if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS))
6229 		fprintf(outf, "%s: Counter reset detected\n", progname);
6230 	else {
6231 		compute_average(EVEN_COUNTERS);
6232 		format_all_counters(EVEN_COUNTERS);
6233 	}
6234 
6235 	fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec / 1000000.0);
6236 
6237 	flush_output_stderr();
6238 
6239 	return status;
6240 }
6241 
6242 int get_and_dump_counters(void)
6243 {
6244 	int status;
6245 
6246 	snapshot_proc_sysfs_files();
6247 	status = for_all_cpus(get_counters, ODD_COUNTERS);
6248 	if (status)
6249 		return status;
6250 
6251 	status = for_all_cpus(dump_counters, ODD_COUNTERS);
6252 	if (status)
6253 		return status;
6254 
6255 	flush_output_stdout();
6256 
6257 	return status;
6258 }
6259 
6260 void print_version()
6261 {
6262 	fprintf(outf, "turbostat version 2023.11.07 - Len Brown <lenb@kernel.org>\n");
6263 }
6264 
6265 #define COMMAND_LINE_SIZE 2048
6266 
6267 void print_bootcmd(void)
6268 {
6269 	char bootcmd[COMMAND_LINE_SIZE];
6270 	FILE *fp;
6271 	int ret;
6272 
6273 	memset(bootcmd, 0, COMMAND_LINE_SIZE);
6274 	fp = fopen("/proc/cmdline", "r");
6275 	if (!fp)
6276 		return;
6277 
6278 	ret = fread(bootcmd, sizeof(char), COMMAND_LINE_SIZE - 1, fp);
6279 	if (ret) {
6280 		bootcmd[ret] = '\0';
6281 		/* the last character is already '\n' */
6282 		fprintf(outf, "Kernel command line: %s", bootcmd);
6283 	}
6284 
6285 	fclose(fp);
6286 }
6287 
6288 int add_counter(unsigned int msr_num, char *path, char *name,
6289 		unsigned int width, enum counter_scope scope,
6290 		enum counter_type type, enum counter_format format, int flags)
6291 {
6292 	struct msr_counter *msrp;
6293 
6294 	msrp = calloc(1, sizeof(struct msr_counter));
6295 	if (msrp == NULL) {
6296 		perror("calloc");
6297 		exit(1);
6298 	}
6299 
6300 	msrp->msr_num = msr_num;
6301 	strncpy(msrp->name, name, NAME_BYTES - 1);
6302 	if (path)
6303 		strncpy(msrp->path, path, PATH_BYTES - 1);
6304 	msrp->width = width;
6305 	msrp->type = type;
6306 	msrp->format = format;
6307 	msrp->flags = flags;
6308 
6309 	switch (scope) {
6310 
6311 	case SCOPE_CPU:
6312 		msrp->next = sys.tp;
6313 		sys.tp = msrp;
6314 		sys.added_thread_counters++;
6315 		if (sys.added_thread_counters > MAX_ADDED_THREAD_COUNTERS) {
6316 			fprintf(stderr, "exceeded max %d added thread counters\n", MAX_ADDED_COUNTERS);
6317 			exit(-1);
6318 		}
6319 		break;
6320 
6321 	case SCOPE_CORE:
6322 		msrp->next = sys.cp;
6323 		sys.cp = msrp;
6324 		sys.added_core_counters++;
6325 		if (sys.added_core_counters > MAX_ADDED_COUNTERS) {
6326 			fprintf(stderr, "exceeded max %d added core counters\n", MAX_ADDED_COUNTERS);
6327 			exit(-1);
6328 		}
6329 		break;
6330 
6331 	case SCOPE_PACKAGE:
6332 		msrp->next = sys.pp;
6333 		sys.pp = msrp;
6334 		sys.added_package_counters++;
6335 		if (sys.added_package_counters > MAX_ADDED_COUNTERS) {
6336 			fprintf(stderr, "exceeded max %d added package counters\n", MAX_ADDED_COUNTERS);
6337 			exit(-1);
6338 		}
6339 		break;
6340 	}
6341 
6342 	return 0;
6343 }
6344 
6345 void parse_add_command(char *add_command)
6346 {
6347 	int msr_num = 0;
6348 	char *path = NULL;
6349 	char name_buffer[NAME_BYTES] = "";
6350 	int width = 64;
6351 	int fail = 0;
6352 	enum counter_scope scope = SCOPE_CPU;
6353 	enum counter_type type = COUNTER_CYCLES;
6354 	enum counter_format format = FORMAT_DELTA;
6355 
6356 	while (add_command) {
6357 
6358 		if (sscanf(add_command, "msr0x%x", &msr_num) == 1)
6359 			goto next;
6360 
6361 		if (sscanf(add_command, "msr%d", &msr_num) == 1)
6362 			goto next;
6363 
6364 		if (*add_command == '/') {
6365 			path = add_command;
6366 			goto next;
6367 		}
6368 
6369 		if (sscanf(add_command, "u%d", &width) == 1) {
6370 			if ((width == 32) || (width == 64))
6371 				goto next;
6372 			width = 64;
6373 		}
6374 		if (!strncmp(add_command, "cpu", strlen("cpu"))) {
6375 			scope = SCOPE_CPU;
6376 			goto next;
6377 		}
6378 		if (!strncmp(add_command, "core", strlen("core"))) {
6379 			scope = SCOPE_CORE;
6380 			goto next;
6381 		}
6382 		if (!strncmp(add_command, "package", strlen("package"))) {
6383 			scope = SCOPE_PACKAGE;
6384 			goto next;
6385 		}
6386 		if (!strncmp(add_command, "cycles", strlen("cycles"))) {
6387 			type = COUNTER_CYCLES;
6388 			goto next;
6389 		}
6390 		if (!strncmp(add_command, "seconds", strlen("seconds"))) {
6391 			type = COUNTER_SECONDS;
6392 			goto next;
6393 		}
6394 		if (!strncmp(add_command, "usec", strlen("usec"))) {
6395 			type = COUNTER_USEC;
6396 			goto next;
6397 		}
6398 		if (!strncmp(add_command, "raw", strlen("raw"))) {
6399 			format = FORMAT_RAW;
6400 			goto next;
6401 		}
6402 		if (!strncmp(add_command, "delta", strlen("delta"))) {
6403 			format = FORMAT_DELTA;
6404 			goto next;
6405 		}
6406 		if (!strncmp(add_command, "percent", strlen("percent"))) {
6407 			format = FORMAT_PERCENT;
6408 			goto next;
6409 		}
6410 
6411 		if (sscanf(add_command, "%18s,%*s", name_buffer) == 1) {	/* 18 < NAME_BYTES */
6412 			char *eos;
6413 
6414 			eos = strchr(name_buffer, ',');
6415 			if (eos)
6416 				*eos = '\0';
6417 			goto next;
6418 		}
6419 
6420 next:
6421 		add_command = strchr(add_command, ',');
6422 		if (add_command) {
6423 			*add_command = '\0';
6424 			add_command++;
6425 		}
6426 
6427 	}
6428 	if ((msr_num == 0) && (path == NULL)) {
6429 		fprintf(stderr, "--add: (msrDDD | msr0xXXX | /path_to_counter ) required\n");
6430 		fail++;
6431 	}
6432 
6433 	/* generate default column header */
6434 	if (*name_buffer == '\0') {
6435 		if (width == 32)
6436 			sprintf(name_buffer, "M0x%x%s", msr_num, format == FORMAT_PERCENT ? "%" : "");
6437 		else
6438 			sprintf(name_buffer, "M0X%x%s", msr_num, format == FORMAT_PERCENT ? "%" : "");
6439 	}
6440 
6441 	if (add_counter(msr_num, path, name_buffer, width, scope, type, format, 0))
6442 		fail++;
6443 
6444 	if (fail) {
6445 		help();
6446 		exit(1);
6447 	}
6448 }
6449 
6450 int is_deferred_add(char *name)
6451 {
6452 	int i;
6453 
6454 	for (i = 0; i < deferred_add_index; ++i)
6455 		if (!strcmp(name, deferred_add_names[i]))
6456 			return 1;
6457 	return 0;
6458 }
6459 
6460 int is_deferred_skip(char *name)
6461 {
6462 	int i;
6463 
6464 	for (i = 0; i < deferred_skip_index; ++i)
6465 		if (!strcmp(name, deferred_skip_names[i]))
6466 			return 1;
6467 	return 0;
6468 }
6469 
6470 void probe_sysfs(void)
6471 {
6472 	char path[64];
6473 	char name_buf[16];
6474 	FILE *input;
6475 	int state;
6476 	char *sp;
6477 
6478 	for (state = 10; state >= 0; --state) {
6479 
6480 		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", base_cpu, state);
6481 		input = fopen(path, "r");
6482 		if (input == NULL)
6483 			continue;
6484 		if (!fgets(name_buf, sizeof(name_buf), input))
6485 			err(1, "%s: failed to read file", path);
6486 
6487 		/* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
6488 		sp = strchr(name_buf, '-');
6489 		if (!sp)
6490 			sp = strchrnul(name_buf, '\n');
6491 		*sp = '%';
6492 		*(sp + 1) = '\0';
6493 
6494 		remove_underbar(name_buf);
6495 
6496 		fclose(input);
6497 
6498 		sprintf(path, "cpuidle/state%d/time", state);
6499 
6500 		if (!DO_BIC(BIC_sysfs) && !is_deferred_add(name_buf))
6501 			continue;
6502 
6503 		if (is_deferred_skip(name_buf))
6504 			continue;
6505 
6506 		add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_USEC, FORMAT_PERCENT, SYSFS_PERCPU);
6507 	}
6508 
6509 	for (state = 10; state >= 0; --state) {
6510 
6511 		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", base_cpu, state);
6512 		input = fopen(path, "r");
6513 		if (input == NULL)
6514 			continue;
6515 		if (!fgets(name_buf, sizeof(name_buf), input))
6516 			err(1, "%s: failed to read file", path);
6517 		/* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
6518 		sp = strchr(name_buf, '-');
6519 		if (!sp)
6520 			sp = strchrnul(name_buf, '\n');
6521 		*sp = '\0';
6522 		fclose(input);
6523 
6524 		remove_underbar(name_buf);
6525 
6526 		sprintf(path, "cpuidle/state%d/usage", state);
6527 
6528 		if (!DO_BIC(BIC_sysfs) && !is_deferred_add(name_buf))
6529 			continue;
6530 
6531 		if (is_deferred_skip(name_buf))
6532 			continue;
6533 
6534 		add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_ITEMS, FORMAT_DELTA, SYSFS_PERCPU);
6535 	}
6536 
6537 }
6538 
6539 /*
6540  * parse cpuset with following syntax
6541  * 1,2,4..6,8-10 and set bits in cpu_subset
6542  */
6543 void parse_cpu_command(char *optarg)
6544 {
6545 	if (!strcmp(optarg, "core")) {
6546 		if (cpu_subset)
6547 			goto error;
6548 		show_core_only++;
6549 		return;
6550 	}
6551 	if (!strcmp(optarg, "package")) {
6552 		if (cpu_subset)
6553 			goto error;
6554 		show_pkg_only++;
6555 		return;
6556 	}
6557 	if (show_core_only || show_pkg_only)
6558 		goto error;
6559 
6560 	cpu_subset = CPU_ALLOC(CPU_SUBSET_MAXCPUS);
6561 	if (cpu_subset == NULL)
6562 		err(3, "CPU_ALLOC");
6563 	cpu_subset_size = CPU_ALLOC_SIZE(CPU_SUBSET_MAXCPUS);
6564 
6565 	CPU_ZERO_S(cpu_subset_size, cpu_subset);
6566 
6567 	if (parse_cpu_str(optarg, cpu_subset, cpu_subset_size))
6568 		goto error;
6569 
6570 	return;
6571 
6572 error:
6573 	fprintf(stderr, "\"--cpu %s\" malformed\n", optarg);
6574 	help();
6575 	exit(-1);
6576 }
6577 
6578 void cmdline(int argc, char **argv)
6579 {
6580 	int opt;
6581 	int option_index = 0;
6582 	static struct option long_options[] = {
6583 		{ "add", required_argument, 0, 'a' },
6584 		{ "cpu", required_argument, 0, 'c' },
6585 		{ "Dump", no_argument, 0, 'D' },
6586 		{ "debug", no_argument, 0, 'd' },	/* internal, not documented */
6587 		{ "enable", required_argument, 0, 'e' },
6588 		{ "interval", required_argument, 0, 'i' },
6589 		{ "IPC", no_argument, 0, 'I' },
6590 		{ "num_iterations", required_argument, 0, 'n' },
6591 		{ "header_iterations", required_argument, 0, 'N' },
6592 		{ "help", no_argument, 0, 'h' },
6593 		{ "hide", required_argument, 0, 'H' },	// meh, -h taken by --help
6594 		{ "Joules", no_argument, 0, 'J' },
6595 		{ "list", no_argument, 0, 'l' },
6596 		{ "out", required_argument, 0, 'o' },
6597 		{ "quiet", no_argument, 0, 'q' },
6598 		{ "show", required_argument, 0, 's' },
6599 		{ "Summary", no_argument, 0, 'S' },
6600 		{ "TCC", required_argument, 0, 'T' },
6601 		{ "version", no_argument, 0, 'v' },
6602 		{ 0, 0, 0, 0 }
6603 	};
6604 
6605 	progname = argv[0];
6606 
6607 	while ((opt = getopt_long_only(argc, argv, "+C:c:Dde:hi:Jn:o:qST:v", long_options, &option_index)) != -1) {
6608 		switch (opt) {
6609 		case 'a':
6610 			parse_add_command(optarg);
6611 			break;
6612 		case 'c':
6613 			parse_cpu_command(optarg);
6614 			break;
6615 		case 'D':
6616 			dump_only++;
6617 			break;
6618 		case 'e':
6619 			/* --enable specified counter */
6620 			bic_enabled = bic_enabled | bic_lookup(optarg, SHOW_LIST);
6621 			break;
6622 		case 'd':
6623 			debug++;
6624 			ENABLE_BIC(BIC_DISABLED_BY_DEFAULT);
6625 			break;
6626 		case 'H':
6627 			/*
6628 			 * --hide: do not show those specified
6629 			 *  multiple invocations simply clear more bits in enabled mask
6630 			 */
6631 			bic_enabled &= ~bic_lookup(optarg, HIDE_LIST);
6632 			break;
6633 		case 'h':
6634 		default:
6635 			help();
6636 			exit(1);
6637 		case 'i':
6638 			{
6639 				double interval = strtod(optarg, NULL);
6640 
6641 				if (interval < 0.001) {
6642 					fprintf(outf, "interval %f seconds is too small\n", interval);
6643 					exit(2);
6644 				}
6645 
6646 				interval_tv.tv_sec = interval_ts.tv_sec = interval;
6647 				interval_tv.tv_usec = (interval - interval_tv.tv_sec) * 1000000;
6648 				interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000;
6649 			}
6650 			break;
6651 		case 'J':
6652 			rapl_joules++;
6653 			break;
6654 		case 'l':
6655 			ENABLE_BIC(BIC_DISABLED_BY_DEFAULT);
6656 			list_header_only++;
6657 			quiet++;
6658 			break;
6659 		case 'o':
6660 			outf = fopen_or_die(optarg, "w");
6661 			break;
6662 		case 'q':
6663 			quiet = 1;
6664 			break;
6665 		case 'n':
6666 			num_iterations = strtod(optarg, NULL);
6667 
6668 			if (num_iterations <= 0) {
6669 				fprintf(outf, "iterations %d should be positive number\n", num_iterations);
6670 				exit(2);
6671 			}
6672 			break;
6673 		case 'N':
6674 			header_iterations = strtod(optarg, NULL);
6675 
6676 			if (header_iterations <= 0) {
6677 				fprintf(outf, "iterations %d should be positive number\n", header_iterations);
6678 				exit(2);
6679 			}
6680 			break;
6681 		case 's':
6682 			/*
6683 			 * --show: show only those specified
6684 			 *  The 1st invocation will clear and replace the enabled mask
6685 			 *  subsequent invocations can add to it.
6686 			 */
6687 			if (shown == 0)
6688 				bic_enabled = bic_lookup(optarg, SHOW_LIST);
6689 			else
6690 				bic_enabled |= bic_lookup(optarg, SHOW_LIST);
6691 			shown = 1;
6692 			break;
6693 		case 'S':
6694 			summary_only++;
6695 			break;
6696 		case 'T':
6697 			tj_max_override = atoi(optarg);
6698 			break;
6699 		case 'v':
6700 			print_version();
6701 			exit(0);
6702 			break;
6703 		}
6704 	}
6705 }
6706 
6707 int main(int argc, char **argv)
6708 {
6709 	int fd, ret;
6710 
6711 	fd = open("/sys/fs/cgroup/cgroup.procs", O_WRONLY);
6712 	if (fd < 0)
6713 		goto skip_cgroup_setting;
6714 
6715 	ret = write(fd, "0\n", 2);
6716 	if (ret == -1)
6717 		perror("Can't update cgroup\n");
6718 
6719 	close(fd);
6720 
6721 skip_cgroup_setting:
6722 	outf = stderr;
6723 	cmdline(argc, argv);
6724 
6725 	if (!quiet) {
6726 		print_version();
6727 		print_bootcmd();
6728 	}
6729 
6730 	probe_sysfs();
6731 
6732 	turbostat_init();
6733 
6734 	msr_sum_record();
6735 
6736 	/* dump counters and exit */
6737 	if (dump_only)
6738 		return get_and_dump_counters();
6739 
6740 	/* list header and exit */
6741 	if (list_header_only) {
6742 		print_header(",");
6743 		flush_output_stdout();
6744 		return 0;
6745 	}
6746 
6747 	/*
6748 	 * if any params left, it must be a command to fork
6749 	 */
6750 	if (argc - optind)
6751 		return fork_it(argv + optind);
6752 	else
6753 		turbostat_loop();
6754 
6755 	return 0;
6756 }
6757