1 /* 2 * turbostat -- show CPU frequency and C-state residency 3 * on modern Intel and AMD processors. 4 * 5 * Copyright (c) 2013 Intel Corporation. 6 * Len Brown <len.brown@intel.com> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms and conditions of the GNU General Public License, 10 * version 2, as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along with 18 * this program; if not, write to the Free Software Foundation, Inc., 19 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 20 */ 21 22 #define _GNU_SOURCE 23 #include MSRHEADER 24 #include INTEL_FAMILY_HEADER 25 #include <stdarg.h> 26 #include <stdio.h> 27 #include <err.h> 28 #include <unistd.h> 29 #include <sys/types.h> 30 #include <sys/wait.h> 31 #include <sys/stat.h> 32 #include <sys/select.h> 33 #include <sys/resource.h> 34 #include <fcntl.h> 35 #include <signal.h> 36 #include <sys/time.h> 37 #include <stdlib.h> 38 #include <getopt.h> 39 #include <dirent.h> 40 #include <string.h> 41 #include <ctype.h> 42 #include <sched.h> 43 #include <time.h> 44 #include <cpuid.h> 45 #include <linux/capability.h> 46 #include <errno.h> 47 #include <math.h> 48 49 char *proc_stat = "/proc/stat"; 50 FILE *outf; 51 int *fd_percpu; 52 struct timeval interval_tv = {5, 0}; 53 struct timespec interval_ts = {5, 0}; 54 struct timespec one_msec = {0, 1000000}; 55 unsigned int num_iterations; 56 unsigned int debug; 57 unsigned int quiet; 58 unsigned int shown; 59 unsigned int sums_need_wide_columns; 60 unsigned int rapl_joules; 61 unsigned int summary_only; 62 unsigned int list_header_only; 63 unsigned int dump_only; 64 unsigned int do_snb_cstates; 65 unsigned int do_knl_cstates; 66 unsigned int do_slm_cstates; 67 unsigned int use_c1_residency_msr; 68 unsigned int has_aperf; 69 unsigned int has_epb; 70 unsigned int do_irtl_snb; 71 unsigned int do_irtl_hsw; 72 unsigned int units = 1000000; /* MHz etc */ 73 unsigned int genuine_intel; 74 unsigned int authentic_amd; 75 unsigned int max_level, max_extended_level; 76 unsigned int has_invariant_tsc; 77 unsigned int do_nhm_platform_info; 78 unsigned int no_MSR_MISC_PWR_MGMT; 79 unsigned int aperf_mperf_multiplier = 1; 80 double bclk; 81 double base_hz; 82 unsigned int has_base_hz; 83 double tsc_tweak = 1.0; 84 unsigned int show_pkg_only; 85 unsigned int show_core_only; 86 char *output_buffer, *outp; 87 unsigned int do_rapl; 88 unsigned int do_dts; 89 unsigned int do_ptm; 90 unsigned long long gfx_cur_rc6_ms; 91 unsigned long long cpuidle_cur_cpu_lpi_us; 92 unsigned long long cpuidle_cur_sys_lpi_us; 93 unsigned int gfx_cur_mhz; 94 unsigned int tcc_activation_temp; 95 unsigned int tcc_activation_temp_override; 96 double rapl_power_units, rapl_time_units; 97 double rapl_dram_energy_units, rapl_energy_units; 98 double rapl_joule_counter_range; 99 unsigned int do_core_perf_limit_reasons; 100 unsigned int has_automatic_cstate_conversion; 101 unsigned int do_gfx_perf_limit_reasons; 102 unsigned int do_ring_perf_limit_reasons; 103 unsigned int crystal_hz; 104 unsigned long long tsc_hz; 105 int base_cpu; 106 double discover_bclk(unsigned int family, unsigned int model); 107 unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ 108 /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ 109 unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */ 110 unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */ 111 unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */ 112 unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */ 113 unsigned int has_misc_feature_control; 114 unsigned int first_counter_read = 1; 115 116 #define RAPL_PKG (1 << 0) 117 /* 0x610 MSR_PKG_POWER_LIMIT */ 118 /* 0x611 MSR_PKG_ENERGY_STATUS */ 119 #define RAPL_PKG_PERF_STATUS (1 << 1) 120 /* 0x613 MSR_PKG_PERF_STATUS */ 121 #define RAPL_PKG_POWER_INFO (1 << 2) 122 /* 0x614 MSR_PKG_POWER_INFO */ 123 124 #define RAPL_DRAM (1 << 3) 125 /* 0x618 MSR_DRAM_POWER_LIMIT */ 126 /* 0x619 MSR_DRAM_ENERGY_STATUS */ 127 #define RAPL_DRAM_PERF_STATUS (1 << 4) 128 /* 0x61b MSR_DRAM_PERF_STATUS */ 129 #define RAPL_DRAM_POWER_INFO (1 << 5) 130 /* 0x61c MSR_DRAM_POWER_INFO */ 131 132 #define RAPL_CORES_POWER_LIMIT (1 << 6) 133 /* 0x638 MSR_PP0_POWER_LIMIT */ 134 #define RAPL_CORE_POLICY (1 << 7) 135 /* 0x63a MSR_PP0_POLICY */ 136 137 #define RAPL_GFX (1 << 8) 138 /* 0x640 MSR_PP1_POWER_LIMIT */ 139 /* 0x641 MSR_PP1_ENERGY_STATUS */ 140 /* 0x642 MSR_PP1_POLICY */ 141 142 #define RAPL_CORES_ENERGY_STATUS (1 << 9) 143 /* 0x639 MSR_PP0_ENERGY_STATUS */ 144 #define RAPL_PER_CORE_ENERGY (1 << 10) 145 /* Indicates cores energy collection is per-core, 146 * not per-package. */ 147 #define RAPL_AMD_F17H (1 << 11) 148 /* 0xc0010299 MSR_RAPL_PWR_UNIT */ 149 /* 0xc001029a MSR_CORE_ENERGY_STAT */ 150 /* 0xc001029b MSR_PKG_ENERGY_STAT */ 151 #define RAPL_CORES (RAPL_CORES_ENERGY_STATUS | RAPL_CORES_POWER_LIMIT) 152 #define TJMAX_DEFAULT 100 153 154 /* MSRs that are not yet in the kernel-provided header. */ 155 #define MSR_RAPL_PWR_UNIT 0xc0010299 156 #define MSR_CORE_ENERGY_STAT 0xc001029a 157 #define MSR_PKG_ENERGY_STAT 0xc001029b 158 159 #define MAX(a, b) ((a) > (b) ? (a) : (b)) 160 161 /* 162 * buffer size used by sscanf() for added column names 163 * Usually truncated to 7 characters, but also handles 18 columns for raw 64-bit counters 164 */ 165 #define NAME_BYTES 20 166 #define PATH_BYTES 128 167 168 int backwards_count; 169 char *progname; 170 171 #define CPU_SUBSET_MAXCPUS 1024 /* need to use before probe... */ 172 cpu_set_t *cpu_present_set, *cpu_affinity_set, *cpu_subset; 173 size_t cpu_present_setsize, cpu_affinity_setsize, cpu_subset_size; 174 #define MAX_ADDED_COUNTERS 8 175 #define MAX_ADDED_THREAD_COUNTERS 24 176 #define BITMASK_SIZE 32 177 178 struct thread_data { 179 struct timeval tv_begin; 180 struct timeval tv_end; 181 unsigned long long tsc; 182 unsigned long long aperf; 183 unsigned long long mperf; 184 unsigned long long c1; 185 unsigned long long irq_count; 186 unsigned int smi_count; 187 unsigned int cpu_id; 188 unsigned int apic_id; 189 unsigned int x2apic_id; 190 unsigned int flags; 191 #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 192 #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 193 unsigned long long counter[MAX_ADDED_THREAD_COUNTERS]; 194 } *thread_even, *thread_odd; 195 196 struct core_data { 197 unsigned long long c3; 198 unsigned long long c6; 199 unsigned long long c7; 200 unsigned long long mc6_us; /* duplicate as per-core for now, even though per module */ 201 unsigned int core_temp_c; 202 unsigned int core_energy; /* MSR_CORE_ENERGY_STAT */ 203 unsigned int core_id; 204 unsigned long long counter[MAX_ADDED_COUNTERS]; 205 } *core_even, *core_odd; 206 207 struct pkg_data { 208 unsigned long long pc2; 209 unsigned long long pc3; 210 unsigned long long pc6; 211 unsigned long long pc7; 212 unsigned long long pc8; 213 unsigned long long pc9; 214 unsigned long long pc10; 215 unsigned long long cpu_lpi; 216 unsigned long long sys_lpi; 217 unsigned long long pkg_wtd_core_c0; 218 unsigned long long pkg_any_core_c0; 219 unsigned long long pkg_any_gfxe_c0; 220 unsigned long long pkg_both_core_gfxe_c0; 221 long long gfx_rc6_ms; 222 unsigned int gfx_mhz; 223 unsigned int package_id; 224 unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 225 unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 226 unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 227 unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 228 unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 229 unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 230 unsigned int pkg_temp_c; 231 unsigned long long counter[MAX_ADDED_COUNTERS]; 232 } *package_even, *package_odd; 233 234 #define ODD_COUNTERS thread_odd, core_odd, package_odd 235 #define EVEN_COUNTERS thread_even, core_even, package_even 236 237 #define GET_THREAD(thread_base, thread_no, core_no, node_no, pkg_no) \ 238 ((thread_base) + \ 239 ((pkg_no) * \ 240 topo.nodes_per_pkg * topo.cores_per_node * topo.threads_per_core) + \ 241 ((node_no) * topo.cores_per_node * topo.threads_per_core) + \ 242 ((core_no) * topo.threads_per_core) + \ 243 (thread_no)) 244 245 #define GET_CORE(core_base, core_no, node_no, pkg_no) \ 246 ((core_base) + \ 247 ((pkg_no) * topo.nodes_per_pkg * topo.cores_per_node) + \ 248 ((node_no) * topo.cores_per_node) + \ 249 (core_no)) 250 251 252 #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 253 254 enum counter_scope {SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE}; 255 enum counter_type {COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC}; 256 enum counter_format {FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT}; 257 258 struct msr_counter { 259 unsigned int msr_num; 260 char name[NAME_BYTES]; 261 char path[PATH_BYTES]; 262 unsigned int width; 263 enum counter_type type; 264 enum counter_format format; 265 struct msr_counter *next; 266 unsigned int flags; 267 #define FLAGS_HIDE (1 << 0) 268 #define FLAGS_SHOW (1 << 1) 269 #define SYSFS_PERCPU (1 << 1) 270 }; 271 272 struct sys_counters { 273 unsigned int added_thread_counters; 274 unsigned int added_core_counters; 275 unsigned int added_package_counters; 276 struct msr_counter *tp; 277 struct msr_counter *cp; 278 struct msr_counter *pp; 279 } sys; 280 281 struct system_summary { 282 struct thread_data threads; 283 struct core_data cores; 284 struct pkg_data packages; 285 } average; 286 287 struct cpu_topology { 288 int physical_package_id; 289 int die_id; 290 int logical_cpu_id; 291 int physical_node_id; 292 int logical_node_id; /* 0-based count within the package */ 293 int physical_core_id; 294 int thread_id; 295 cpu_set_t *put_ids; /* Processing Unit/Thread IDs */ 296 } *cpus; 297 298 struct topo_params { 299 int num_packages; 300 int num_die; 301 int num_cpus; 302 int num_cores; 303 int max_cpu_num; 304 int max_node_num; 305 int nodes_per_pkg; 306 int cores_per_node; 307 int threads_per_core; 308 } topo; 309 310 struct timeval tv_even, tv_odd, tv_delta; 311 312 int *irq_column_2_cpu; /* /proc/interrupts column numbers */ 313 int *irqs_per_cpu; /* indexed by cpu_num */ 314 315 void setup_all_buffers(void); 316 317 int cpu_is_not_present(int cpu) 318 { 319 return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 320 } 321 /* 322 * run func(thread, core, package) in topology order 323 * skip non-present cpus 324 */ 325 326 int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 327 struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 328 { 329 int retval, pkg_no, core_no, thread_no, node_no; 330 331 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 332 for (node_no = 0; node_no < topo.nodes_per_pkg; node_no++) { 333 for (core_no = 0; core_no < topo.cores_per_node; ++core_no) { 334 for (thread_no = 0; thread_no < 335 topo.threads_per_core; ++thread_no) { 336 struct thread_data *t; 337 struct core_data *c; 338 struct pkg_data *p; 339 340 t = GET_THREAD(thread_base, thread_no, 341 core_no, node_no, 342 pkg_no); 343 344 if (cpu_is_not_present(t->cpu_id)) 345 continue; 346 347 c = GET_CORE(core_base, core_no, 348 node_no, pkg_no); 349 p = GET_PKG(pkg_base, pkg_no); 350 351 retval = func(t, c, p); 352 if (retval) 353 return retval; 354 } 355 } 356 } 357 } 358 return 0; 359 } 360 361 int cpu_migrate(int cpu) 362 { 363 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 364 CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 365 if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 366 return -1; 367 else 368 return 0; 369 } 370 int get_msr_fd(int cpu) 371 { 372 char pathname[32]; 373 int fd; 374 375 fd = fd_percpu[cpu]; 376 377 if (fd) 378 return fd; 379 380 sprintf(pathname, "/dev/cpu/%d/msr", cpu); 381 fd = open(pathname, O_RDONLY); 382 if (fd < 0) 383 err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 384 385 fd_percpu[cpu] = fd; 386 387 return fd; 388 } 389 390 int get_msr(int cpu, off_t offset, unsigned long long *msr) 391 { 392 ssize_t retval; 393 394 retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); 395 396 if (retval != sizeof *msr) 397 err(-1, "cpu%d: msr offset 0x%llx read failed", cpu, (unsigned long long)offset); 398 399 return 0; 400 } 401 402 /* 403 * This list matches the column headers, except 404 * 1. built-in only, the sysfs counters are not here -- we learn of those at run-time 405 * 2. Core and CPU are moved to the end, we can't have strings that contain them 406 * matching on them for --show and --hide. 407 */ 408 struct msr_counter bic[] = { 409 { 0x0, "usec" }, 410 { 0x0, "Time_Of_Day_Seconds" }, 411 { 0x0, "Package" }, 412 { 0x0, "Node" }, 413 { 0x0, "Avg_MHz" }, 414 { 0x0, "Busy%" }, 415 { 0x0, "Bzy_MHz" }, 416 { 0x0, "TSC_MHz" }, 417 { 0x0, "IRQ" }, 418 { 0x0, "SMI", "", 32, 0, FORMAT_DELTA, NULL}, 419 { 0x0, "sysfs" }, 420 { 0x0, "CPU%c1" }, 421 { 0x0, "CPU%c3" }, 422 { 0x0, "CPU%c6" }, 423 { 0x0, "CPU%c7" }, 424 { 0x0, "ThreadC" }, 425 { 0x0, "CoreTmp" }, 426 { 0x0, "CoreCnt" }, 427 { 0x0, "PkgTmp" }, 428 { 0x0, "GFX%rc6" }, 429 { 0x0, "GFXMHz" }, 430 { 0x0, "Pkg%pc2" }, 431 { 0x0, "Pkg%pc3" }, 432 { 0x0, "Pkg%pc6" }, 433 { 0x0, "Pkg%pc7" }, 434 { 0x0, "Pkg%pc8" }, 435 { 0x0, "Pkg%pc9" }, 436 { 0x0, "Pk%pc10" }, 437 { 0x0, "CPU%LPI" }, 438 { 0x0, "SYS%LPI" }, 439 { 0x0, "PkgWatt" }, 440 { 0x0, "CorWatt" }, 441 { 0x0, "GFXWatt" }, 442 { 0x0, "PkgCnt" }, 443 { 0x0, "RAMWatt" }, 444 { 0x0, "PKG_%" }, 445 { 0x0, "RAM_%" }, 446 { 0x0, "Pkg_J" }, 447 { 0x0, "Cor_J" }, 448 { 0x0, "GFX_J" }, 449 { 0x0, "RAM_J" }, 450 { 0x0, "Mod%c6" }, 451 { 0x0, "Totl%C0" }, 452 { 0x0, "Any%C0" }, 453 { 0x0, "GFX%C0" }, 454 { 0x0, "CPUGFX%" }, 455 { 0x0, "Core" }, 456 { 0x0, "CPU" }, 457 { 0x0, "APIC" }, 458 { 0x0, "X2APIC" }, 459 { 0x0, "Die" }, 460 }; 461 462 #define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter)) 463 #define BIC_USEC (1ULL << 0) 464 #define BIC_TOD (1ULL << 1) 465 #define BIC_Package (1ULL << 2) 466 #define BIC_Node (1ULL << 3) 467 #define BIC_Avg_MHz (1ULL << 4) 468 #define BIC_Busy (1ULL << 5) 469 #define BIC_Bzy_MHz (1ULL << 6) 470 #define BIC_TSC_MHz (1ULL << 7) 471 #define BIC_IRQ (1ULL << 8) 472 #define BIC_SMI (1ULL << 9) 473 #define BIC_sysfs (1ULL << 10) 474 #define BIC_CPU_c1 (1ULL << 11) 475 #define BIC_CPU_c3 (1ULL << 12) 476 #define BIC_CPU_c6 (1ULL << 13) 477 #define BIC_CPU_c7 (1ULL << 14) 478 #define BIC_ThreadC (1ULL << 15) 479 #define BIC_CoreTmp (1ULL << 16) 480 #define BIC_CoreCnt (1ULL << 17) 481 #define BIC_PkgTmp (1ULL << 18) 482 #define BIC_GFX_rc6 (1ULL << 19) 483 #define BIC_GFXMHz (1ULL << 20) 484 #define BIC_Pkgpc2 (1ULL << 21) 485 #define BIC_Pkgpc3 (1ULL << 22) 486 #define BIC_Pkgpc6 (1ULL << 23) 487 #define BIC_Pkgpc7 (1ULL << 24) 488 #define BIC_Pkgpc8 (1ULL << 25) 489 #define BIC_Pkgpc9 (1ULL << 26) 490 #define BIC_Pkgpc10 (1ULL << 27) 491 #define BIC_CPU_LPI (1ULL << 28) 492 #define BIC_SYS_LPI (1ULL << 29) 493 #define BIC_PkgWatt (1ULL << 30) 494 #define BIC_CorWatt (1ULL << 31) 495 #define BIC_GFXWatt (1ULL << 32) 496 #define BIC_PkgCnt (1ULL << 33) 497 #define BIC_RAMWatt (1ULL << 34) 498 #define BIC_PKG__ (1ULL << 35) 499 #define BIC_RAM__ (1ULL << 36) 500 #define BIC_Pkg_J (1ULL << 37) 501 #define BIC_Cor_J (1ULL << 38) 502 #define BIC_GFX_J (1ULL << 39) 503 #define BIC_RAM_J (1ULL << 40) 504 #define BIC_Mod_c6 (1ULL << 41) 505 #define BIC_Totl_c0 (1ULL << 42) 506 #define BIC_Any_c0 (1ULL << 43) 507 #define BIC_GFX_c0 (1ULL << 44) 508 #define BIC_CPUGFX (1ULL << 45) 509 #define BIC_Core (1ULL << 46) 510 #define BIC_CPU (1ULL << 47) 511 #define BIC_APIC (1ULL << 48) 512 #define BIC_X2APIC (1ULL << 49) 513 #define BIC_Die (1ULL << 50) 514 515 #define BIC_DISABLED_BY_DEFAULT (BIC_USEC | BIC_TOD | BIC_APIC | BIC_X2APIC) 516 517 unsigned long long bic_enabled = (0xFFFFFFFFFFFFFFFFULL & ~BIC_DISABLED_BY_DEFAULT); 518 unsigned long long bic_present = BIC_USEC | BIC_TOD | BIC_sysfs | BIC_APIC | BIC_X2APIC; 519 520 #define DO_BIC(COUNTER_NAME) (bic_enabled & bic_present & COUNTER_NAME) 521 #define ENABLE_BIC(COUNTER_NAME) (bic_enabled |= COUNTER_NAME) 522 #define BIC_PRESENT(COUNTER_BIT) (bic_present |= COUNTER_BIT) 523 #define BIC_NOT_PRESENT(COUNTER_BIT) (bic_present &= ~COUNTER_BIT) 524 525 526 #define MAX_DEFERRED 16 527 char *deferred_skip_names[MAX_DEFERRED]; 528 int deferred_skip_index; 529 530 /* 531 * HIDE_LIST - hide this list of counters, show the rest [default] 532 * SHOW_LIST - show this list of counters, hide the rest 533 */ 534 enum show_hide_mode { SHOW_LIST, HIDE_LIST } global_show_hide_mode = HIDE_LIST; 535 536 void help(void) 537 { 538 fprintf(outf, 539 "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 540 "\n" 541 "Turbostat forks the specified COMMAND and prints statistics\n" 542 "when COMMAND completes.\n" 543 "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 544 "to print statistics, until interrupted.\n" 545 " -a, --add add a counter\n" 546 " eg. --add msr0x10,u64,cpu,delta,MY_TSC\n" 547 " -c, --cpu cpu-set limit output to summary plus cpu-set:\n" 548 " {core | package | j,k,l..m,n-p }\n" 549 " -d, --debug displays usec, Time_Of_Day_Seconds and more debugging\n" 550 " -D, --Dump displays the raw counter values\n" 551 " -e, --enable [all | column]\n" 552 " shows all or the specified disabled column\n" 553 " -H, --hide [column|column,column,...]\n" 554 " hide the specified column(s)\n" 555 " -i, --interval sec.subsec\n" 556 " Override default 5-second measurement interval\n" 557 " -J, --Joules displays energy in Joules instead of Watts\n" 558 " -l, --list list column headers only\n" 559 " -n, --num_iterations num\n" 560 " number of the measurement iterations\n" 561 " -o, --out file\n" 562 " create or truncate \"file\" for all output\n" 563 " -q, --quiet skip decoding system configuration header\n" 564 " -s, --show [column|column,column,...]\n" 565 " show only the specified column(s)\n" 566 " -S, --Summary\n" 567 " limits output to 1-line system summary per interval\n" 568 " -T, --TCC temperature\n" 569 " sets the Thermal Control Circuit temperature in\n" 570 " degrees Celsius\n" 571 " -h, --help print this help message\n" 572 " -v, --version print version information\n" 573 "\n" 574 "For more help, run \"man turbostat\"\n"); 575 } 576 577 /* 578 * bic_lookup 579 * for all the strings in comma separate name_list, 580 * set the approprate bit in return value. 581 */ 582 unsigned long long bic_lookup(char *name_list, enum show_hide_mode mode) 583 { 584 int i; 585 unsigned long long retval = 0; 586 587 while (name_list) { 588 char *comma; 589 590 comma = strchr(name_list, ','); 591 592 if (comma) 593 *comma = '\0'; 594 595 if (!strcmp(name_list, "all")) 596 return ~0; 597 598 for (i = 0; i < MAX_BIC; ++i) { 599 if (!strcmp(name_list, bic[i].name)) { 600 retval |= (1ULL << i); 601 break; 602 } 603 } 604 if (i == MAX_BIC) { 605 if (mode == SHOW_LIST) { 606 fprintf(stderr, "Invalid counter name: %s\n", name_list); 607 exit(-1); 608 } 609 deferred_skip_names[deferred_skip_index++] = name_list; 610 if (debug) 611 fprintf(stderr, "deferred \"%s\"\n", name_list); 612 if (deferred_skip_index >= MAX_DEFERRED) { 613 fprintf(stderr, "More than max %d un-recognized --skip options '%s'\n", 614 MAX_DEFERRED, name_list); 615 help(); 616 exit(1); 617 } 618 } 619 620 name_list = comma; 621 if (name_list) 622 name_list++; 623 624 } 625 return retval; 626 } 627 628 629 void print_header(char *delim) 630 { 631 struct msr_counter *mp; 632 int printed = 0; 633 634 if (DO_BIC(BIC_USEC)) 635 outp += sprintf(outp, "%susec", (printed++ ? delim : "")); 636 if (DO_BIC(BIC_TOD)) 637 outp += sprintf(outp, "%sTime_Of_Day_Seconds", (printed++ ? delim : "")); 638 if (DO_BIC(BIC_Package)) 639 outp += sprintf(outp, "%sPackage", (printed++ ? delim : "")); 640 if (DO_BIC(BIC_Die)) 641 outp += sprintf(outp, "%sDie", (printed++ ? delim : "")); 642 if (DO_BIC(BIC_Node)) 643 outp += sprintf(outp, "%sNode", (printed++ ? delim : "")); 644 if (DO_BIC(BIC_Core)) 645 outp += sprintf(outp, "%sCore", (printed++ ? delim : "")); 646 if (DO_BIC(BIC_CPU)) 647 outp += sprintf(outp, "%sCPU", (printed++ ? delim : "")); 648 if (DO_BIC(BIC_APIC)) 649 outp += sprintf(outp, "%sAPIC", (printed++ ? delim : "")); 650 if (DO_BIC(BIC_X2APIC)) 651 outp += sprintf(outp, "%sX2APIC", (printed++ ? delim : "")); 652 if (DO_BIC(BIC_Avg_MHz)) 653 outp += sprintf(outp, "%sAvg_MHz", (printed++ ? delim : "")); 654 if (DO_BIC(BIC_Busy)) 655 outp += sprintf(outp, "%sBusy%%", (printed++ ? delim : "")); 656 if (DO_BIC(BIC_Bzy_MHz)) 657 outp += sprintf(outp, "%sBzy_MHz", (printed++ ? delim : "")); 658 if (DO_BIC(BIC_TSC_MHz)) 659 outp += sprintf(outp, "%sTSC_MHz", (printed++ ? delim : "")); 660 661 if (DO_BIC(BIC_IRQ)) { 662 if (sums_need_wide_columns) 663 outp += sprintf(outp, "%s IRQ", (printed++ ? delim : "")); 664 else 665 outp += sprintf(outp, "%sIRQ", (printed++ ? delim : "")); 666 } 667 668 if (DO_BIC(BIC_SMI)) 669 outp += sprintf(outp, "%sSMI", (printed++ ? delim : "")); 670 671 for (mp = sys.tp; mp; mp = mp->next) { 672 673 if (mp->format == FORMAT_RAW) { 674 if (mp->width == 64) 675 outp += sprintf(outp, "%s%18.18s", (printed++ ? delim : ""), mp->name); 676 else 677 outp += sprintf(outp, "%s%10.10s", (printed++ ? delim : ""), mp->name); 678 } else { 679 if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns) 680 outp += sprintf(outp, "%s%8s", (printed++ ? delim : ""), mp->name); 681 else 682 outp += sprintf(outp, "%s%s", (printed++ ? delim : ""), mp->name); 683 } 684 } 685 686 if (DO_BIC(BIC_CPU_c1)) 687 outp += sprintf(outp, "%sCPU%%c1", (printed++ ? delim : "")); 688 if (DO_BIC(BIC_CPU_c3)) 689 outp += sprintf(outp, "%sCPU%%c3", (printed++ ? delim : "")); 690 if (DO_BIC(BIC_CPU_c6)) 691 outp += sprintf(outp, "%sCPU%%c6", (printed++ ? delim : "")); 692 if (DO_BIC(BIC_CPU_c7)) 693 outp += sprintf(outp, "%sCPU%%c7", (printed++ ? delim : "")); 694 695 if (DO_BIC(BIC_Mod_c6)) 696 outp += sprintf(outp, "%sMod%%c6", (printed++ ? delim : "")); 697 698 if (DO_BIC(BIC_CoreTmp)) 699 outp += sprintf(outp, "%sCoreTmp", (printed++ ? delim : "")); 700 701 if (do_rapl && !rapl_joules) { 702 if (DO_BIC(BIC_CorWatt) && (do_rapl & RAPL_PER_CORE_ENERGY)) 703 outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : "")); 704 } else if (do_rapl && rapl_joules) { 705 if (DO_BIC(BIC_Cor_J) && (do_rapl & RAPL_PER_CORE_ENERGY)) 706 outp += sprintf(outp, "%sCor_J", (printed++ ? delim : "")); 707 } 708 709 for (mp = sys.cp; mp; mp = mp->next) { 710 if (mp->format == FORMAT_RAW) { 711 if (mp->width == 64) 712 outp += sprintf(outp, "%s%18.18s", delim, mp->name); 713 else 714 outp += sprintf(outp, "%s%10.10s", delim, mp->name); 715 } else { 716 if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns) 717 outp += sprintf(outp, "%s%8s", delim, mp->name); 718 else 719 outp += sprintf(outp, "%s%s", delim, mp->name); 720 } 721 } 722 723 if (DO_BIC(BIC_PkgTmp)) 724 outp += sprintf(outp, "%sPkgTmp", (printed++ ? delim : "")); 725 726 if (DO_BIC(BIC_GFX_rc6)) 727 outp += sprintf(outp, "%sGFX%%rc6", (printed++ ? delim : "")); 728 729 if (DO_BIC(BIC_GFXMHz)) 730 outp += sprintf(outp, "%sGFXMHz", (printed++ ? delim : "")); 731 732 if (DO_BIC(BIC_Totl_c0)) 733 outp += sprintf(outp, "%sTotl%%C0", (printed++ ? delim : "")); 734 if (DO_BIC(BIC_Any_c0)) 735 outp += sprintf(outp, "%sAny%%C0", (printed++ ? delim : "")); 736 if (DO_BIC(BIC_GFX_c0)) 737 outp += sprintf(outp, "%sGFX%%C0", (printed++ ? delim : "")); 738 if (DO_BIC(BIC_CPUGFX)) 739 outp += sprintf(outp, "%sCPUGFX%%", (printed++ ? delim : "")); 740 741 if (DO_BIC(BIC_Pkgpc2)) 742 outp += sprintf(outp, "%sPkg%%pc2", (printed++ ? delim : "")); 743 if (DO_BIC(BIC_Pkgpc3)) 744 outp += sprintf(outp, "%sPkg%%pc3", (printed++ ? delim : "")); 745 if (DO_BIC(BIC_Pkgpc6)) 746 outp += sprintf(outp, "%sPkg%%pc6", (printed++ ? delim : "")); 747 if (DO_BIC(BIC_Pkgpc7)) 748 outp += sprintf(outp, "%sPkg%%pc7", (printed++ ? delim : "")); 749 if (DO_BIC(BIC_Pkgpc8)) 750 outp += sprintf(outp, "%sPkg%%pc8", (printed++ ? delim : "")); 751 if (DO_BIC(BIC_Pkgpc9)) 752 outp += sprintf(outp, "%sPkg%%pc9", (printed++ ? delim : "")); 753 if (DO_BIC(BIC_Pkgpc10)) 754 outp += sprintf(outp, "%sPk%%pc10", (printed++ ? delim : "")); 755 if (DO_BIC(BIC_CPU_LPI)) 756 outp += sprintf(outp, "%sCPU%%LPI", (printed++ ? delim : "")); 757 if (DO_BIC(BIC_SYS_LPI)) 758 outp += sprintf(outp, "%sSYS%%LPI", (printed++ ? delim : "")); 759 760 if (do_rapl && !rapl_joules) { 761 if (DO_BIC(BIC_PkgWatt)) 762 outp += sprintf(outp, "%sPkgWatt", (printed++ ? delim : "")); 763 if (DO_BIC(BIC_CorWatt) && !(do_rapl & RAPL_PER_CORE_ENERGY)) 764 outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : "")); 765 if (DO_BIC(BIC_GFXWatt)) 766 outp += sprintf(outp, "%sGFXWatt", (printed++ ? delim : "")); 767 if (DO_BIC(BIC_RAMWatt)) 768 outp += sprintf(outp, "%sRAMWatt", (printed++ ? delim : "")); 769 if (DO_BIC(BIC_PKG__)) 770 outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : "")); 771 if (DO_BIC(BIC_RAM__)) 772 outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : "")); 773 } else if (do_rapl && rapl_joules) { 774 if (DO_BIC(BIC_Pkg_J)) 775 outp += sprintf(outp, "%sPkg_J", (printed++ ? delim : "")); 776 if (DO_BIC(BIC_Cor_J) && !(do_rapl & RAPL_PER_CORE_ENERGY)) 777 outp += sprintf(outp, "%sCor_J", (printed++ ? delim : "")); 778 if (DO_BIC(BIC_GFX_J)) 779 outp += sprintf(outp, "%sGFX_J", (printed++ ? delim : "")); 780 if (DO_BIC(BIC_RAM_J)) 781 outp += sprintf(outp, "%sRAM_J", (printed++ ? delim : "")); 782 if (DO_BIC(BIC_PKG__)) 783 outp += sprintf(outp, "%sPKG_%%", (printed++ ? delim : "")); 784 if (DO_BIC(BIC_RAM__)) 785 outp += sprintf(outp, "%sRAM_%%", (printed++ ? delim : "")); 786 } 787 for (mp = sys.pp; mp; mp = mp->next) { 788 if (mp->format == FORMAT_RAW) { 789 if (mp->width == 64) 790 outp += sprintf(outp, "%s%18.18s", delim, mp->name); 791 else 792 outp += sprintf(outp, "%s%10.10s", delim, mp->name); 793 } else { 794 if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns) 795 outp += sprintf(outp, "%s%8s", delim, mp->name); 796 else 797 outp += sprintf(outp, "%s%s", delim, mp->name); 798 } 799 } 800 801 outp += sprintf(outp, "\n"); 802 } 803 804 int dump_counters(struct thread_data *t, struct core_data *c, 805 struct pkg_data *p) 806 { 807 int i; 808 struct msr_counter *mp; 809 810 outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 811 812 if (t) { 813 outp += sprintf(outp, "CPU: %d flags 0x%x\n", 814 t->cpu_id, t->flags); 815 outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 816 outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 817 outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 818 outp += sprintf(outp, "c1: %016llX\n", t->c1); 819 820 if (DO_BIC(BIC_IRQ)) 821 outp += sprintf(outp, "IRQ: %lld\n", t->irq_count); 822 if (DO_BIC(BIC_SMI)) 823 outp += sprintf(outp, "SMI: %d\n", t->smi_count); 824 825 for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 826 outp += sprintf(outp, "tADDED [%d] msr0x%x: %08llX\n", 827 i, mp->msr_num, t->counter[i]); 828 } 829 } 830 831 if (c) { 832 outp += sprintf(outp, "core: %d\n", c->core_id); 833 outp += sprintf(outp, "c3: %016llX\n", c->c3); 834 outp += sprintf(outp, "c6: %016llX\n", c->c6); 835 outp += sprintf(outp, "c7: %016llX\n", c->c7); 836 outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 837 outp += sprintf(outp, "Joules: %0X\n", c->core_energy); 838 839 for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 840 outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n", 841 i, mp->msr_num, c->counter[i]); 842 } 843 outp += sprintf(outp, "mc6_us: %016llX\n", c->mc6_us); 844 } 845 846 if (p) { 847 outp += sprintf(outp, "package: %d\n", p->package_id); 848 849 outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0); 850 outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0); 851 outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0); 852 outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0); 853 854 outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 855 if (DO_BIC(BIC_Pkgpc3)) 856 outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 857 if (DO_BIC(BIC_Pkgpc6)) 858 outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 859 if (DO_BIC(BIC_Pkgpc7)) 860 outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 861 outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 862 outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 863 outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 864 outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 865 outp += sprintf(outp, "cpu_lpi: %016llX\n", p->cpu_lpi); 866 outp += sprintf(outp, "sys_lpi: %016llX\n", p->sys_lpi); 867 outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 868 outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 869 outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 870 outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 871 outp += sprintf(outp, "Throttle PKG: %0X\n", 872 p->rapl_pkg_perf_status); 873 outp += sprintf(outp, "Throttle RAM: %0X\n", 874 p->rapl_dram_perf_status); 875 outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 876 877 for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 878 outp += sprintf(outp, "pADDED [%d] msr0x%x: %08llX\n", 879 i, mp->msr_num, p->counter[i]); 880 } 881 } 882 883 outp += sprintf(outp, "\n"); 884 885 return 0; 886 } 887 888 /* 889 * column formatting convention & formats 890 */ 891 int format_counters(struct thread_data *t, struct core_data *c, 892 struct pkg_data *p) 893 { 894 double interval_float, tsc; 895 char *fmt8; 896 int i; 897 struct msr_counter *mp; 898 char *delim = "\t"; 899 int printed = 0; 900 901 /* if showing only 1st thread in core and this isn't one, bail out */ 902 if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 903 return 0; 904 905 /* if showing only 1st thread in pkg and this isn't one, bail out */ 906 if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 907 return 0; 908 909 /*if not summary line and --cpu is used */ 910 if ((t != &average.threads) && 911 (cpu_subset && !CPU_ISSET_S(t->cpu_id, cpu_subset_size, cpu_subset))) 912 return 0; 913 914 if (DO_BIC(BIC_USEC)) { 915 /* on each row, print how many usec each timestamp took to gather */ 916 struct timeval tv; 917 918 timersub(&t->tv_end, &t->tv_begin, &tv); 919 outp += sprintf(outp, "%5ld\t", tv.tv_sec * 1000000 + tv.tv_usec); 920 } 921 922 /* Time_Of_Day_Seconds: on each row, print sec.usec last timestamp taken */ 923 if (DO_BIC(BIC_TOD)) 924 outp += sprintf(outp, "%10ld.%06ld\t", t->tv_end.tv_sec, t->tv_end.tv_usec); 925 926 interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 927 928 tsc = t->tsc * tsc_tweak; 929 930 /* topo columns, print blanks on 1st (average) line */ 931 if (t == &average.threads) { 932 if (DO_BIC(BIC_Package)) 933 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 934 if (DO_BIC(BIC_Die)) 935 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 936 if (DO_BIC(BIC_Node)) 937 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 938 if (DO_BIC(BIC_Core)) 939 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 940 if (DO_BIC(BIC_CPU)) 941 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 942 if (DO_BIC(BIC_APIC)) 943 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 944 if (DO_BIC(BIC_X2APIC)) 945 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 946 } else { 947 if (DO_BIC(BIC_Package)) { 948 if (p) 949 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->package_id); 950 else 951 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 952 } 953 if (DO_BIC(BIC_Die)) { 954 if (c) 955 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), cpus[t->cpu_id].die_id); 956 else 957 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 958 } 959 if (DO_BIC(BIC_Node)) { 960 if (t) 961 outp += sprintf(outp, "%s%d", 962 (printed++ ? delim : ""), 963 cpus[t->cpu_id].physical_node_id); 964 else 965 outp += sprintf(outp, "%s-", 966 (printed++ ? delim : "")); 967 } 968 if (DO_BIC(BIC_Core)) { 969 if (c) 970 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_id); 971 else 972 outp += sprintf(outp, "%s-", (printed++ ? delim : "")); 973 } 974 if (DO_BIC(BIC_CPU)) 975 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->cpu_id); 976 if (DO_BIC(BIC_APIC)) 977 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->apic_id); 978 if (DO_BIC(BIC_X2APIC)) 979 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->x2apic_id); 980 } 981 982 if (DO_BIC(BIC_Avg_MHz)) 983 outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), 984 1.0 / units * t->aperf / interval_float); 985 986 if (DO_BIC(BIC_Busy)) 987 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->mperf/tsc); 988 989 if (DO_BIC(BIC_Bzy_MHz)) { 990 if (has_base_hz) 991 outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), base_hz / units * t->aperf / t->mperf); 992 else 993 outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), 994 tsc / units * t->aperf / t->mperf / interval_float); 995 } 996 997 if (DO_BIC(BIC_TSC_MHz)) 998 outp += sprintf(outp, "%s%.0f", (printed++ ? delim : ""), 1.0 * t->tsc/units/interval_float); 999 1000 /* IRQ */ 1001 if (DO_BIC(BIC_IRQ)) { 1002 if (sums_need_wide_columns) 1003 outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->irq_count); 1004 else 1005 outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->irq_count); 1006 } 1007 1008 /* SMI */ 1009 if (DO_BIC(BIC_SMI)) 1010 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), t->smi_count); 1011 1012 /* Added counters */ 1013 for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1014 if (mp->format == FORMAT_RAW) { 1015 if (mp->width == 32) 1016 outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) t->counter[i]); 1017 else 1018 outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), t->counter[i]); 1019 } else if (mp->format == FORMAT_DELTA) { 1020 if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns) 1021 outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), t->counter[i]); 1022 else 1023 outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), t->counter[i]); 1024 } else if (mp->format == FORMAT_PERCENT) { 1025 if (mp->type == COUNTER_USEC) 1026 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), t->counter[i]/interval_float/10000); 1027 else 1028 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->counter[i]/tsc); 1029 } 1030 } 1031 1032 /* C1 */ 1033 if (DO_BIC(BIC_CPU_c1)) 1034 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * t->c1/tsc); 1035 1036 1037 /* print per-core data only for 1st thread in core */ 1038 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1039 goto done; 1040 1041 if (DO_BIC(BIC_CPU_c3)) 1042 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c3/tsc); 1043 if (DO_BIC(BIC_CPU_c6)) 1044 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c6/tsc); 1045 if (DO_BIC(BIC_CPU_c7)) 1046 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c7/tsc); 1047 1048 /* Mod%c6 */ 1049 if (DO_BIC(BIC_Mod_c6)) 1050 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->mc6_us / tsc); 1051 1052 if (DO_BIC(BIC_CoreTmp)) 1053 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), c->core_temp_c); 1054 1055 for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1056 if (mp->format == FORMAT_RAW) { 1057 if (mp->width == 32) 1058 outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) c->counter[i]); 1059 else 1060 outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), c->counter[i]); 1061 } else if (mp->format == FORMAT_DELTA) { 1062 if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns) 1063 outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), c->counter[i]); 1064 else 1065 outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), c->counter[i]); 1066 } else if (mp->format == FORMAT_PERCENT) { 1067 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->counter[i]/tsc); 1068 } 1069 } 1070 1071 /* 1072 * If measurement interval exceeds minimum RAPL Joule Counter range, 1073 * indicate that results are suspect by printing "**" in fraction place. 1074 */ 1075 if (interval_float < rapl_joule_counter_range) 1076 fmt8 = "%s%.2f"; 1077 else 1078 fmt8 = "%6.0f**"; 1079 1080 if (DO_BIC(BIC_CorWatt) && (do_rapl & RAPL_PER_CORE_ENERGY)) 1081 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units / interval_float); 1082 if (DO_BIC(BIC_Cor_J) && (do_rapl & RAPL_PER_CORE_ENERGY)) 1083 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units); 1084 1085 /* print per-package data only for 1st core in package */ 1086 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1087 goto done; 1088 1089 /* PkgTmp */ 1090 if (DO_BIC(BIC_PkgTmp)) 1091 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->pkg_temp_c); 1092 1093 /* GFXrc6 */ 1094 if (DO_BIC(BIC_GFX_rc6)) { 1095 if (p->gfx_rc6_ms == -1) { /* detect GFX counter reset */ 1096 outp += sprintf(outp, "%s**.**", (printed++ ? delim : "")); 1097 } else { 1098 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 1099 p->gfx_rc6_ms / 10.0 / interval_float); 1100 } 1101 } 1102 1103 /* GFXMHz */ 1104 if (DO_BIC(BIC_GFXMHz)) 1105 outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->gfx_mhz); 1106 1107 /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 1108 if (DO_BIC(BIC_Totl_c0)) 1109 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_wtd_core_c0/tsc); 1110 if (DO_BIC(BIC_Any_c0)) 1111 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_core_c0/tsc); 1112 if (DO_BIC(BIC_GFX_c0)) 1113 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_any_gfxe_c0/tsc); 1114 if (DO_BIC(BIC_CPUGFX)) 1115 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pkg_both_core_gfxe_c0/tsc); 1116 1117 if (DO_BIC(BIC_Pkgpc2)) 1118 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc2/tsc); 1119 if (DO_BIC(BIC_Pkgpc3)) 1120 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc3/tsc); 1121 if (DO_BIC(BIC_Pkgpc6)) 1122 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc6/tsc); 1123 if (DO_BIC(BIC_Pkgpc7)) 1124 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc7/tsc); 1125 if (DO_BIC(BIC_Pkgpc8)) 1126 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc8/tsc); 1127 if (DO_BIC(BIC_Pkgpc9)) 1128 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc9/tsc); 1129 if (DO_BIC(BIC_Pkgpc10)) 1130 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->pc10/tsc); 1131 1132 if (DO_BIC(BIC_CPU_LPI)) 1133 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->cpu_lpi / 1000000.0 / interval_float); 1134 if (DO_BIC(BIC_SYS_LPI)) 1135 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->sys_lpi / 1000000.0 / interval_float); 1136 1137 if (DO_BIC(BIC_PkgWatt)) 1138 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units / interval_float); 1139 if (DO_BIC(BIC_CorWatt) && !(do_rapl & RAPL_PER_CORE_ENERGY)) 1140 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units / interval_float); 1141 if (DO_BIC(BIC_GFXWatt)) 1142 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units / interval_float); 1143 if (DO_BIC(BIC_RAMWatt)) 1144 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units / interval_float); 1145 if (DO_BIC(BIC_Pkg_J)) 1146 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units); 1147 if (DO_BIC(BIC_Cor_J) && !(do_rapl & RAPL_PER_CORE_ENERGY)) 1148 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units); 1149 if (DO_BIC(BIC_GFX_J)) 1150 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units); 1151 if (DO_BIC(BIC_RAM_J)) 1152 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units); 1153 if (DO_BIC(BIC_PKG__)) 1154 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 1155 if (DO_BIC(BIC_RAM__)) 1156 outp += sprintf(outp, fmt8, (printed++ ? delim : ""), 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 1157 1158 for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 1159 if (mp->format == FORMAT_RAW) { 1160 if (mp->width == 32) 1161 outp += sprintf(outp, "%s0x%08x", (printed++ ? delim : ""), (unsigned int) p->counter[i]); 1162 else 1163 outp += sprintf(outp, "%s0x%016llx", (printed++ ? delim : ""), p->counter[i]); 1164 } else if (mp->format == FORMAT_DELTA) { 1165 if ((mp->type == COUNTER_ITEMS) && sums_need_wide_columns) 1166 outp += sprintf(outp, "%s%8lld", (printed++ ? delim : ""), p->counter[i]); 1167 else 1168 outp += sprintf(outp, "%s%lld", (printed++ ? delim : ""), p->counter[i]); 1169 } else if (mp->format == FORMAT_PERCENT) { 1170 outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->counter[i]/tsc); 1171 } 1172 } 1173 1174 done: 1175 if (*(outp - 1) != '\n') 1176 outp += sprintf(outp, "\n"); 1177 1178 return 0; 1179 } 1180 1181 void flush_output_stdout(void) 1182 { 1183 FILE *filep; 1184 1185 if (outf == stderr) 1186 filep = stdout; 1187 else 1188 filep = outf; 1189 1190 fputs(output_buffer, filep); 1191 fflush(filep); 1192 1193 outp = output_buffer; 1194 } 1195 void flush_output_stderr(void) 1196 { 1197 fputs(output_buffer, outf); 1198 fflush(outf); 1199 outp = output_buffer; 1200 } 1201 void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1202 { 1203 static int printed; 1204 1205 if (!printed || !summary_only) 1206 print_header("\t"); 1207 1208 format_counters(&average.threads, &average.cores, &average.packages); 1209 1210 printed = 1; 1211 1212 if (summary_only) 1213 return; 1214 1215 for_all_cpus(format_counters, t, c, p); 1216 } 1217 1218 #define DELTA_WRAP32(new, old) \ 1219 if (new > old) { \ 1220 old = new - old; \ 1221 } else { \ 1222 old = 0x100000000 + new - old; \ 1223 } 1224 1225 int 1226 delta_package(struct pkg_data *new, struct pkg_data *old) 1227 { 1228 int i; 1229 struct msr_counter *mp; 1230 1231 1232 if (DO_BIC(BIC_Totl_c0)) 1233 old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 1234 if (DO_BIC(BIC_Any_c0)) 1235 old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 1236 if (DO_BIC(BIC_GFX_c0)) 1237 old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 1238 if (DO_BIC(BIC_CPUGFX)) 1239 old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 1240 1241 old->pc2 = new->pc2 - old->pc2; 1242 if (DO_BIC(BIC_Pkgpc3)) 1243 old->pc3 = new->pc3 - old->pc3; 1244 if (DO_BIC(BIC_Pkgpc6)) 1245 old->pc6 = new->pc6 - old->pc6; 1246 if (DO_BIC(BIC_Pkgpc7)) 1247 old->pc7 = new->pc7 - old->pc7; 1248 old->pc8 = new->pc8 - old->pc8; 1249 old->pc9 = new->pc9 - old->pc9; 1250 old->pc10 = new->pc10 - old->pc10; 1251 old->cpu_lpi = new->cpu_lpi - old->cpu_lpi; 1252 old->sys_lpi = new->sys_lpi - old->sys_lpi; 1253 old->pkg_temp_c = new->pkg_temp_c; 1254 1255 /* flag an error when rc6 counter resets/wraps */ 1256 if (old->gfx_rc6_ms > new->gfx_rc6_ms) 1257 old->gfx_rc6_ms = -1; 1258 else 1259 old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms; 1260 1261 old->gfx_mhz = new->gfx_mhz; 1262 1263 DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 1264 DELTA_WRAP32(new->energy_cores, old->energy_cores); 1265 DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 1266 DELTA_WRAP32(new->energy_dram, old->energy_dram); 1267 DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 1268 DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 1269 1270 for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 1271 if (mp->format == FORMAT_RAW) 1272 old->counter[i] = new->counter[i]; 1273 else 1274 old->counter[i] = new->counter[i] - old->counter[i]; 1275 } 1276 1277 return 0; 1278 } 1279 1280 void 1281 delta_core(struct core_data *new, struct core_data *old) 1282 { 1283 int i; 1284 struct msr_counter *mp; 1285 1286 old->c3 = new->c3 - old->c3; 1287 old->c6 = new->c6 - old->c6; 1288 old->c7 = new->c7 - old->c7; 1289 old->core_temp_c = new->core_temp_c; 1290 old->mc6_us = new->mc6_us - old->mc6_us; 1291 1292 DELTA_WRAP32(new->core_energy, old->core_energy); 1293 1294 for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1295 if (mp->format == FORMAT_RAW) 1296 old->counter[i] = new->counter[i]; 1297 else 1298 old->counter[i] = new->counter[i] - old->counter[i]; 1299 } 1300 } 1301 1302 /* 1303 * old = new - old 1304 */ 1305 int 1306 delta_thread(struct thread_data *new, struct thread_data *old, 1307 struct core_data *core_delta) 1308 { 1309 int i; 1310 struct msr_counter *mp; 1311 1312 /* we run cpuid just the 1st time, copy the results */ 1313 if (DO_BIC(BIC_APIC)) 1314 new->apic_id = old->apic_id; 1315 if (DO_BIC(BIC_X2APIC)) 1316 new->x2apic_id = old->x2apic_id; 1317 1318 /* 1319 * the timestamps from start of measurement interval are in "old" 1320 * the timestamp from end of measurement interval are in "new" 1321 * over-write old w/ new so we can print end of interval values 1322 */ 1323 1324 old->tv_begin = new->tv_begin; 1325 old->tv_end = new->tv_end; 1326 1327 old->tsc = new->tsc - old->tsc; 1328 1329 /* check for TSC < 1 Mcycles over interval */ 1330 if (old->tsc < (1000 * 1000)) 1331 errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 1332 "You can disable all c-states by booting with \"idle=poll\"\n" 1333 "or just the deep ones with \"processor.max_cstate=1\""); 1334 1335 old->c1 = new->c1 - old->c1; 1336 1337 if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz)) { 1338 if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 1339 old->aperf = new->aperf - old->aperf; 1340 old->mperf = new->mperf - old->mperf; 1341 } else { 1342 return -1; 1343 } 1344 } 1345 1346 1347 if (use_c1_residency_msr) { 1348 /* 1349 * Some models have a dedicated C1 residency MSR, 1350 * which should be more accurate than the derivation below. 1351 */ 1352 } else { 1353 /* 1354 * As counter collection is not atomic, 1355 * it is possible for mperf's non-halted cycles + idle states 1356 * to exceed TSC's all cycles: show c1 = 0% in that case. 1357 */ 1358 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > (old->tsc * tsc_tweak)) 1359 old->c1 = 0; 1360 else { 1361 /* normal case, derive c1 */ 1362 old->c1 = (old->tsc * tsc_tweak) - old->mperf - core_delta->c3 1363 - core_delta->c6 - core_delta->c7; 1364 } 1365 } 1366 1367 if (old->mperf == 0) { 1368 if (debug > 1) 1369 fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id); 1370 old->mperf = 1; /* divide by 0 protection */ 1371 } 1372 1373 if (DO_BIC(BIC_IRQ)) 1374 old->irq_count = new->irq_count - old->irq_count; 1375 1376 if (DO_BIC(BIC_SMI)) 1377 old->smi_count = new->smi_count - old->smi_count; 1378 1379 for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1380 if (mp->format == FORMAT_RAW) 1381 old->counter[i] = new->counter[i]; 1382 else 1383 old->counter[i] = new->counter[i] - old->counter[i]; 1384 } 1385 return 0; 1386 } 1387 1388 int delta_cpu(struct thread_data *t, struct core_data *c, 1389 struct pkg_data *p, struct thread_data *t2, 1390 struct core_data *c2, struct pkg_data *p2) 1391 { 1392 int retval = 0; 1393 1394 /* calculate core delta only for 1st thread in core */ 1395 if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 1396 delta_core(c, c2); 1397 1398 /* always calculate thread delta */ 1399 retval = delta_thread(t, t2, c2); /* c2 is core delta */ 1400 if (retval) 1401 return retval; 1402 1403 /* calculate package delta only for 1st core in package */ 1404 if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 1405 retval = delta_package(p, p2); 1406 1407 return retval; 1408 } 1409 1410 void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1411 { 1412 int i; 1413 struct msr_counter *mp; 1414 1415 t->tv_begin.tv_sec = 0; 1416 t->tv_begin.tv_usec = 0; 1417 t->tv_end.tv_sec = 0; 1418 t->tv_end.tv_usec = 0; 1419 1420 t->tsc = 0; 1421 t->aperf = 0; 1422 t->mperf = 0; 1423 t->c1 = 0; 1424 1425 t->irq_count = 0; 1426 t->smi_count = 0; 1427 1428 /* tells format_counters to dump all fields from this set */ 1429 t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 1430 1431 c->c3 = 0; 1432 c->c6 = 0; 1433 c->c7 = 0; 1434 c->mc6_us = 0; 1435 c->core_temp_c = 0; 1436 c->core_energy = 0; 1437 1438 p->pkg_wtd_core_c0 = 0; 1439 p->pkg_any_core_c0 = 0; 1440 p->pkg_any_gfxe_c0 = 0; 1441 p->pkg_both_core_gfxe_c0 = 0; 1442 1443 p->pc2 = 0; 1444 if (DO_BIC(BIC_Pkgpc3)) 1445 p->pc3 = 0; 1446 if (DO_BIC(BIC_Pkgpc6)) 1447 p->pc6 = 0; 1448 if (DO_BIC(BIC_Pkgpc7)) 1449 p->pc7 = 0; 1450 p->pc8 = 0; 1451 p->pc9 = 0; 1452 p->pc10 = 0; 1453 p->cpu_lpi = 0; 1454 p->sys_lpi = 0; 1455 1456 p->energy_pkg = 0; 1457 p->energy_dram = 0; 1458 p->energy_cores = 0; 1459 p->energy_gfx = 0; 1460 p->rapl_pkg_perf_status = 0; 1461 p->rapl_dram_perf_status = 0; 1462 p->pkg_temp_c = 0; 1463 1464 p->gfx_rc6_ms = 0; 1465 p->gfx_mhz = 0; 1466 for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) 1467 t->counter[i] = 0; 1468 1469 for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) 1470 c->counter[i] = 0; 1471 1472 for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) 1473 p->counter[i] = 0; 1474 } 1475 int sum_counters(struct thread_data *t, struct core_data *c, 1476 struct pkg_data *p) 1477 { 1478 int i; 1479 struct msr_counter *mp; 1480 1481 /* copy un-changing apic_id's */ 1482 if (DO_BIC(BIC_APIC)) 1483 average.threads.apic_id = t->apic_id; 1484 if (DO_BIC(BIC_X2APIC)) 1485 average.threads.x2apic_id = t->x2apic_id; 1486 1487 /* remember first tv_begin */ 1488 if (average.threads.tv_begin.tv_sec == 0) 1489 average.threads.tv_begin = t->tv_begin; 1490 1491 /* remember last tv_end */ 1492 average.threads.tv_end = t->tv_end; 1493 1494 average.threads.tsc += t->tsc; 1495 average.threads.aperf += t->aperf; 1496 average.threads.mperf += t->mperf; 1497 average.threads.c1 += t->c1; 1498 1499 average.threads.irq_count += t->irq_count; 1500 average.threads.smi_count += t->smi_count; 1501 1502 for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1503 if (mp->format == FORMAT_RAW) 1504 continue; 1505 average.threads.counter[i] += t->counter[i]; 1506 } 1507 1508 /* sum per-core values only for 1st thread in core */ 1509 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1510 return 0; 1511 1512 average.cores.c3 += c->c3; 1513 average.cores.c6 += c->c6; 1514 average.cores.c7 += c->c7; 1515 average.cores.mc6_us += c->mc6_us; 1516 1517 average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 1518 1519 average.cores.core_energy += c->core_energy; 1520 1521 for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1522 if (mp->format == FORMAT_RAW) 1523 continue; 1524 average.cores.counter[i] += c->counter[i]; 1525 } 1526 1527 /* sum per-pkg values only for 1st core in pkg */ 1528 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1529 return 0; 1530 1531 if (DO_BIC(BIC_Totl_c0)) 1532 average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 1533 if (DO_BIC(BIC_Any_c0)) 1534 average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 1535 if (DO_BIC(BIC_GFX_c0)) 1536 average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 1537 if (DO_BIC(BIC_CPUGFX)) 1538 average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 1539 1540 average.packages.pc2 += p->pc2; 1541 if (DO_BIC(BIC_Pkgpc3)) 1542 average.packages.pc3 += p->pc3; 1543 if (DO_BIC(BIC_Pkgpc6)) 1544 average.packages.pc6 += p->pc6; 1545 if (DO_BIC(BIC_Pkgpc7)) 1546 average.packages.pc7 += p->pc7; 1547 average.packages.pc8 += p->pc8; 1548 average.packages.pc9 += p->pc9; 1549 average.packages.pc10 += p->pc10; 1550 1551 average.packages.cpu_lpi = p->cpu_lpi; 1552 average.packages.sys_lpi = p->sys_lpi; 1553 1554 average.packages.energy_pkg += p->energy_pkg; 1555 average.packages.energy_dram += p->energy_dram; 1556 average.packages.energy_cores += p->energy_cores; 1557 average.packages.energy_gfx += p->energy_gfx; 1558 1559 average.packages.gfx_rc6_ms = p->gfx_rc6_ms; 1560 average.packages.gfx_mhz = p->gfx_mhz; 1561 1562 average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 1563 1564 average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 1565 average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 1566 1567 for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 1568 if (mp->format == FORMAT_RAW) 1569 continue; 1570 average.packages.counter[i] += p->counter[i]; 1571 } 1572 return 0; 1573 } 1574 /* 1575 * sum the counters for all cpus in the system 1576 * compute the weighted average 1577 */ 1578 void compute_average(struct thread_data *t, struct core_data *c, 1579 struct pkg_data *p) 1580 { 1581 int i; 1582 struct msr_counter *mp; 1583 1584 clear_counters(&average.threads, &average.cores, &average.packages); 1585 1586 for_all_cpus(sum_counters, t, c, p); 1587 1588 average.threads.tsc /= topo.num_cpus; 1589 average.threads.aperf /= topo.num_cpus; 1590 average.threads.mperf /= topo.num_cpus; 1591 average.threads.c1 /= topo.num_cpus; 1592 1593 if (average.threads.irq_count > 9999999) 1594 sums_need_wide_columns = 1; 1595 1596 average.cores.c3 /= topo.num_cores; 1597 average.cores.c6 /= topo.num_cores; 1598 average.cores.c7 /= topo.num_cores; 1599 average.cores.mc6_us /= topo.num_cores; 1600 1601 if (DO_BIC(BIC_Totl_c0)) 1602 average.packages.pkg_wtd_core_c0 /= topo.num_packages; 1603 if (DO_BIC(BIC_Any_c0)) 1604 average.packages.pkg_any_core_c0 /= topo.num_packages; 1605 if (DO_BIC(BIC_GFX_c0)) 1606 average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 1607 if (DO_BIC(BIC_CPUGFX)) 1608 average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 1609 1610 average.packages.pc2 /= topo.num_packages; 1611 if (DO_BIC(BIC_Pkgpc3)) 1612 average.packages.pc3 /= topo.num_packages; 1613 if (DO_BIC(BIC_Pkgpc6)) 1614 average.packages.pc6 /= topo.num_packages; 1615 if (DO_BIC(BIC_Pkgpc7)) 1616 average.packages.pc7 /= topo.num_packages; 1617 1618 average.packages.pc8 /= topo.num_packages; 1619 average.packages.pc9 /= topo.num_packages; 1620 average.packages.pc10 /= topo.num_packages; 1621 1622 for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1623 if (mp->format == FORMAT_RAW) 1624 continue; 1625 if (mp->type == COUNTER_ITEMS) { 1626 if (average.threads.counter[i] > 9999999) 1627 sums_need_wide_columns = 1; 1628 continue; 1629 } 1630 average.threads.counter[i] /= topo.num_cpus; 1631 } 1632 for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1633 if (mp->format == FORMAT_RAW) 1634 continue; 1635 if (mp->type == COUNTER_ITEMS) { 1636 if (average.cores.counter[i] > 9999999) 1637 sums_need_wide_columns = 1; 1638 } 1639 average.cores.counter[i] /= topo.num_cores; 1640 } 1641 for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 1642 if (mp->format == FORMAT_RAW) 1643 continue; 1644 if (mp->type == COUNTER_ITEMS) { 1645 if (average.packages.counter[i] > 9999999) 1646 sums_need_wide_columns = 1; 1647 } 1648 average.packages.counter[i] /= topo.num_packages; 1649 } 1650 } 1651 1652 static unsigned long long rdtsc(void) 1653 { 1654 unsigned int low, high; 1655 1656 asm volatile("rdtsc" : "=a" (low), "=d" (high)); 1657 1658 return low | ((unsigned long long)high) << 32; 1659 } 1660 1661 /* 1662 * Open a file, and exit on failure 1663 */ 1664 FILE *fopen_or_die(const char *path, const char *mode) 1665 { 1666 FILE *filep = fopen(path, mode); 1667 1668 if (!filep) 1669 err(1, "%s: open failed", path); 1670 return filep; 1671 } 1672 /* 1673 * snapshot_sysfs_counter() 1674 * 1675 * return snapshot of given counter 1676 */ 1677 unsigned long long snapshot_sysfs_counter(char *path) 1678 { 1679 FILE *fp; 1680 int retval; 1681 unsigned long long counter; 1682 1683 fp = fopen_or_die(path, "r"); 1684 1685 retval = fscanf(fp, "%lld", &counter); 1686 if (retval != 1) 1687 err(1, "snapshot_sysfs_counter(%s)", path); 1688 1689 fclose(fp); 1690 1691 return counter; 1692 } 1693 1694 int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp) 1695 { 1696 if (mp->msr_num != 0) { 1697 if (get_msr(cpu, mp->msr_num, counterp)) 1698 return -1; 1699 } else { 1700 char path[128 + PATH_BYTES]; 1701 1702 if (mp->flags & SYSFS_PERCPU) { 1703 sprintf(path, "/sys/devices/system/cpu/cpu%d/%s", 1704 cpu, mp->path); 1705 1706 *counterp = snapshot_sysfs_counter(path); 1707 } else { 1708 *counterp = snapshot_sysfs_counter(mp->path); 1709 } 1710 } 1711 1712 return 0; 1713 } 1714 1715 void get_apic_id(struct thread_data *t) 1716 { 1717 unsigned int eax, ebx, ecx, edx; 1718 1719 if (DO_BIC(BIC_APIC)) { 1720 eax = ebx = ecx = edx = 0; 1721 __cpuid(1, eax, ebx, ecx, edx); 1722 1723 t->apic_id = (ebx >> 24) & 0xff; 1724 } 1725 1726 if (!DO_BIC(BIC_X2APIC)) 1727 return; 1728 1729 if (authentic_amd) { 1730 unsigned int topology_extensions; 1731 1732 if (max_extended_level < 0x8000001e) 1733 return; 1734 1735 eax = ebx = ecx = edx = 0; 1736 __cpuid(0x80000001, eax, ebx, ecx, edx); 1737 topology_extensions = ecx & (1 << 22); 1738 1739 if (topology_extensions == 0) 1740 return; 1741 1742 eax = ebx = ecx = edx = 0; 1743 __cpuid(0x8000001e, eax, ebx, ecx, edx); 1744 1745 t->x2apic_id = eax; 1746 return; 1747 } 1748 1749 if (!genuine_intel) 1750 return; 1751 1752 if (max_level < 0xb) 1753 return; 1754 1755 ecx = 0; 1756 __cpuid(0xb, eax, ebx, ecx, edx); 1757 t->x2apic_id = edx; 1758 1759 if (debug && (t->apic_id != (t->x2apic_id & 0xff))) 1760 fprintf(outf, "cpu%d: BIOS BUG: apic 0x%x x2apic 0x%x\n", 1761 t->cpu_id, t->apic_id, t->x2apic_id); 1762 } 1763 1764 /* 1765 * get_counters(...) 1766 * migrate to cpu 1767 * acquire and record local counters for that cpu 1768 */ 1769 int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1770 { 1771 int cpu = t->cpu_id; 1772 unsigned long long msr; 1773 int aperf_mperf_retry_count = 0; 1774 struct msr_counter *mp; 1775 int i; 1776 1777 gettimeofday(&t->tv_begin, (struct timezone *)NULL); 1778 1779 if (cpu_migrate(cpu)) { 1780 fprintf(outf, "Could not migrate to CPU %d\n", cpu); 1781 return -1; 1782 } 1783 1784 if (first_counter_read) 1785 get_apic_id(t); 1786 retry: 1787 t->tsc = rdtsc(); /* we are running on local CPU of interest */ 1788 1789 if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz)) { 1790 unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time; 1791 1792 /* 1793 * The TSC, APERF and MPERF must be read together for 1794 * APERF/MPERF and MPERF/TSC to give accurate results. 1795 * 1796 * Unfortunately, APERF and MPERF are read by 1797 * individual system call, so delays may occur 1798 * between them. If the time to read them 1799 * varies by a large amount, we re-read them. 1800 */ 1801 1802 /* 1803 * This initial dummy APERF read has been seen to 1804 * reduce jitter in the subsequent reads. 1805 */ 1806 1807 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1808 return -3; 1809 1810 t->tsc = rdtsc(); /* re-read close to APERF */ 1811 1812 tsc_before = t->tsc; 1813 1814 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1815 return -3; 1816 1817 tsc_between = rdtsc(); 1818 1819 if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 1820 return -4; 1821 1822 tsc_after = rdtsc(); 1823 1824 aperf_time = tsc_between - tsc_before; 1825 mperf_time = tsc_after - tsc_between; 1826 1827 /* 1828 * If the system call latency to read APERF and MPERF 1829 * differ by more than 2x, then try again. 1830 */ 1831 if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) { 1832 aperf_mperf_retry_count++; 1833 if (aperf_mperf_retry_count < 5) 1834 goto retry; 1835 else 1836 warnx("cpu%d jitter %lld %lld", 1837 cpu, aperf_time, mperf_time); 1838 } 1839 aperf_mperf_retry_count = 0; 1840 1841 t->aperf = t->aperf * aperf_mperf_multiplier; 1842 t->mperf = t->mperf * aperf_mperf_multiplier; 1843 } 1844 1845 if (DO_BIC(BIC_IRQ)) 1846 t->irq_count = irqs_per_cpu[cpu]; 1847 if (DO_BIC(BIC_SMI)) { 1848 if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 1849 return -5; 1850 t->smi_count = msr & 0xFFFFFFFF; 1851 } 1852 if (DO_BIC(BIC_CPU_c1) && use_c1_residency_msr) { 1853 if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1854 return -6; 1855 } 1856 1857 for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1858 if (get_mp(cpu, mp, &t->counter[i])) 1859 return -10; 1860 } 1861 1862 /* collect core counters only for 1st thread in core */ 1863 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1864 goto done; 1865 1866 if (DO_BIC(BIC_CPU_c3)) { 1867 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1868 return -6; 1869 } 1870 1871 if (DO_BIC(BIC_CPU_c6) && !do_knl_cstates) { 1872 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1873 return -7; 1874 } else if (do_knl_cstates) { 1875 if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1876 return -7; 1877 } 1878 1879 if (DO_BIC(BIC_CPU_c7)) 1880 if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1881 return -8; 1882 1883 if (DO_BIC(BIC_Mod_c6)) 1884 if (get_msr(cpu, MSR_MODULE_C6_RES_MS, &c->mc6_us)) 1885 return -8; 1886 1887 if (DO_BIC(BIC_CoreTmp)) { 1888 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1889 return -9; 1890 c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1891 } 1892 1893 if (do_rapl & RAPL_AMD_F17H) { 1894 if (get_msr(cpu, MSR_CORE_ENERGY_STAT, &msr)) 1895 return -14; 1896 c->core_energy = msr & 0xFFFFFFFF; 1897 } 1898 1899 for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1900 if (get_mp(cpu, mp, &c->counter[i])) 1901 return -10; 1902 } 1903 1904 /* collect package counters only for 1st core in package */ 1905 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1906 goto done; 1907 1908 if (DO_BIC(BIC_Totl_c0)) { 1909 if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 1910 return -10; 1911 } 1912 if (DO_BIC(BIC_Any_c0)) { 1913 if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 1914 return -11; 1915 } 1916 if (DO_BIC(BIC_GFX_c0)) { 1917 if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 1918 return -12; 1919 } 1920 if (DO_BIC(BIC_CPUGFX)) { 1921 if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 1922 return -13; 1923 } 1924 if (DO_BIC(BIC_Pkgpc3)) 1925 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1926 return -9; 1927 if (DO_BIC(BIC_Pkgpc6)) { 1928 if (do_slm_cstates) { 1929 if (get_msr(cpu, MSR_ATOM_PKG_C6_RESIDENCY, &p->pc6)) 1930 return -10; 1931 } else { 1932 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1933 return -10; 1934 } 1935 } 1936 1937 if (DO_BIC(BIC_Pkgpc2)) 1938 if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1939 return -11; 1940 if (DO_BIC(BIC_Pkgpc7)) 1941 if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1942 return -12; 1943 if (DO_BIC(BIC_Pkgpc8)) 1944 if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1945 return -13; 1946 if (DO_BIC(BIC_Pkgpc9)) 1947 if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1948 return -13; 1949 if (DO_BIC(BIC_Pkgpc10)) 1950 if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1951 return -13; 1952 1953 if (DO_BIC(BIC_CPU_LPI)) 1954 p->cpu_lpi = cpuidle_cur_cpu_lpi_us; 1955 if (DO_BIC(BIC_SYS_LPI)) 1956 p->sys_lpi = cpuidle_cur_sys_lpi_us; 1957 1958 if (do_rapl & RAPL_PKG) { 1959 if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1960 return -13; 1961 p->energy_pkg = msr & 0xFFFFFFFF; 1962 } 1963 if (do_rapl & RAPL_CORES_ENERGY_STATUS) { 1964 if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1965 return -14; 1966 p->energy_cores = msr & 0xFFFFFFFF; 1967 } 1968 if (do_rapl & RAPL_DRAM) { 1969 if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1970 return -15; 1971 p->energy_dram = msr & 0xFFFFFFFF; 1972 } 1973 if (do_rapl & RAPL_GFX) { 1974 if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1975 return -16; 1976 p->energy_gfx = msr & 0xFFFFFFFF; 1977 } 1978 if (do_rapl & RAPL_PKG_PERF_STATUS) { 1979 if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1980 return -16; 1981 p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1982 } 1983 if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1984 if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1985 return -16; 1986 p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1987 } 1988 if (do_rapl & RAPL_AMD_F17H) { 1989 if (get_msr(cpu, MSR_PKG_ENERGY_STAT, &msr)) 1990 return -13; 1991 p->energy_pkg = msr & 0xFFFFFFFF; 1992 } 1993 if (DO_BIC(BIC_PkgTmp)) { 1994 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1995 return -17; 1996 p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1997 } 1998 1999 if (DO_BIC(BIC_GFX_rc6)) 2000 p->gfx_rc6_ms = gfx_cur_rc6_ms; 2001 2002 if (DO_BIC(BIC_GFXMHz)) 2003 p->gfx_mhz = gfx_cur_mhz; 2004 2005 for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 2006 if (get_mp(cpu, mp, &p->counter[i])) 2007 return -10; 2008 } 2009 done: 2010 gettimeofday(&t->tv_end, (struct timezone *)NULL); 2011 2012 return 0; 2013 } 2014 2015 /* 2016 * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 2017 * If you change the values, note they are used both in comparisons 2018 * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 2019 */ 2020 2021 #define PCLUKN 0 /* Unknown */ 2022 #define PCLRSV 1 /* Reserved */ 2023 #define PCL__0 2 /* PC0 */ 2024 #define PCL__1 3 /* PC1 */ 2025 #define PCL__2 4 /* PC2 */ 2026 #define PCL__3 5 /* PC3 */ 2027 #define PCL__4 6 /* PC4 */ 2028 #define PCL__6 7 /* PC6 */ 2029 #define PCL_6N 8 /* PC6 No Retention */ 2030 #define PCL_6R 9 /* PC6 Retention */ 2031 #define PCL__7 10 /* PC7 */ 2032 #define PCL_7S 11 /* PC7 Shrink */ 2033 #define PCL__8 12 /* PC8 */ 2034 #define PCL__9 13 /* PC9 */ 2035 #define PCL_10 14 /* PC10 */ 2036 #define PCLUNL 15 /* Unlimited */ 2037 2038 int pkg_cstate_limit = PCLUKN; 2039 char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 2040 "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "pc10", "unlimited"}; 2041 2042 int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 2043 int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 2044 int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 2045 int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7}; 2046 int amt_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 2047 int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 2048 int glm_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCL_10, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 2049 int skx_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 2050 2051 2052 static void 2053 calculate_tsc_tweak() 2054 { 2055 tsc_tweak = base_hz / tsc_hz; 2056 } 2057 2058 static void 2059 dump_nhm_platform_info(void) 2060 { 2061 unsigned long long msr; 2062 unsigned int ratio; 2063 2064 get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 2065 2066 fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 2067 2068 ratio = (msr >> 40) & 0xFF; 2069 fprintf(outf, "%d * %.1f = %.1f MHz max efficiency frequency\n", 2070 ratio, bclk, ratio * bclk); 2071 2072 ratio = (msr >> 8) & 0xFF; 2073 fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n", 2074 ratio, bclk, ratio * bclk); 2075 2076 get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 2077 fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 2078 base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 2079 2080 return; 2081 } 2082 2083 static void 2084 dump_hsw_turbo_ratio_limits(void) 2085 { 2086 unsigned long long msr; 2087 unsigned int ratio; 2088 2089 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 2090 2091 fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 2092 2093 ratio = (msr >> 8) & 0xFF; 2094 if (ratio) 2095 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 18 active cores\n", 2096 ratio, bclk, ratio * bclk); 2097 2098 ratio = (msr >> 0) & 0xFF; 2099 if (ratio) 2100 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 17 active cores\n", 2101 ratio, bclk, ratio * bclk); 2102 return; 2103 } 2104 2105 static void 2106 dump_ivt_turbo_ratio_limits(void) 2107 { 2108 unsigned long long msr; 2109 unsigned int ratio; 2110 2111 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 2112 2113 fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 2114 2115 ratio = (msr >> 56) & 0xFF; 2116 if (ratio) 2117 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 16 active cores\n", 2118 ratio, bclk, ratio * bclk); 2119 2120 ratio = (msr >> 48) & 0xFF; 2121 if (ratio) 2122 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 15 active cores\n", 2123 ratio, bclk, ratio * bclk); 2124 2125 ratio = (msr >> 40) & 0xFF; 2126 if (ratio) 2127 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 14 active cores\n", 2128 ratio, bclk, ratio * bclk); 2129 2130 ratio = (msr >> 32) & 0xFF; 2131 if (ratio) 2132 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 13 active cores\n", 2133 ratio, bclk, ratio * bclk); 2134 2135 ratio = (msr >> 24) & 0xFF; 2136 if (ratio) 2137 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 12 active cores\n", 2138 ratio, bclk, ratio * bclk); 2139 2140 ratio = (msr >> 16) & 0xFF; 2141 if (ratio) 2142 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 11 active cores\n", 2143 ratio, bclk, ratio * bclk); 2144 2145 ratio = (msr >> 8) & 0xFF; 2146 if (ratio) 2147 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 10 active cores\n", 2148 ratio, bclk, ratio * bclk); 2149 2150 ratio = (msr >> 0) & 0xFF; 2151 if (ratio) 2152 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 9 active cores\n", 2153 ratio, bclk, ratio * bclk); 2154 return; 2155 } 2156 int has_turbo_ratio_group_limits(int family, int model) 2157 { 2158 2159 if (!genuine_intel) 2160 return 0; 2161 2162 switch (model) { 2163 case INTEL_FAM6_ATOM_GOLDMONT: 2164 case INTEL_FAM6_SKYLAKE_X: 2165 case INTEL_FAM6_ATOM_GOLDMONT_X: 2166 return 1; 2167 } 2168 return 0; 2169 } 2170 2171 static void 2172 dump_turbo_ratio_limits(int family, int model) 2173 { 2174 unsigned long long msr, core_counts; 2175 unsigned int ratio, group_size; 2176 2177 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 2178 fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 2179 2180 if (has_turbo_ratio_group_limits(family, model)) { 2181 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts); 2182 fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, core_counts); 2183 } else { 2184 core_counts = 0x0807060504030201; 2185 } 2186 2187 ratio = (msr >> 56) & 0xFF; 2188 group_size = (core_counts >> 56) & 0xFF; 2189 if (ratio) 2190 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2191 ratio, bclk, ratio * bclk, group_size); 2192 2193 ratio = (msr >> 48) & 0xFF; 2194 group_size = (core_counts >> 48) & 0xFF; 2195 if (ratio) 2196 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2197 ratio, bclk, ratio * bclk, group_size); 2198 2199 ratio = (msr >> 40) & 0xFF; 2200 group_size = (core_counts >> 40) & 0xFF; 2201 if (ratio) 2202 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2203 ratio, bclk, ratio * bclk, group_size); 2204 2205 ratio = (msr >> 32) & 0xFF; 2206 group_size = (core_counts >> 32) & 0xFF; 2207 if (ratio) 2208 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2209 ratio, bclk, ratio * bclk, group_size); 2210 2211 ratio = (msr >> 24) & 0xFF; 2212 group_size = (core_counts >> 24) & 0xFF; 2213 if (ratio) 2214 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2215 ratio, bclk, ratio * bclk, group_size); 2216 2217 ratio = (msr >> 16) & 0xFF; 2218 group_size = (core_counts >> 16) & 0xFF; 2219 if (ratio) 2220 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2221 ratio, bclk, ratio * bclk, group_size); 2222 2223 ratio = (msr >> 8) & 0xFF; 2224 group_size = (core_counts >> 8) & 0xFF; 2225 if (ratio) 2226 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2227 ratio, bclk, ratio * bclk, group_size); 2228 2229 ratio = (msr >> 0) & 0xFF; 2230 group_size = (core_counts >> 0) & 0xFF; 2231 if (ratio) 2232 fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2233 ratio, bclk, ratio * bclk, group_size); 2234 return; 2235 } 2236 2237 static void 2238 dump_atom_turbo_ratio_limits(void) 2239 { 2240 unsigned long long msr; 2241 unsigned int ratio; 2242 2243 get_msr(base_cpu, MSR_ATOM_CORE_RATIOS, &msr); 2244 fprintf(outf, "cpu%d: MSR_ATOM_CORE_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF); 2245 2246 ratio = (msr >> 0) & 0x3F; 2247 if (ratio) 2248 fprintf(outf, "%d * %.1f = %.1f MHz minimum operating frequency\n", 2249 ratio, bclk, ratio * bclk); 2250 2251 ratio = (msr >> 8) & 0x3F; 2252 if (ratio) 2253 fprintf(outf, "%d * %.1f = %.1f MHz low frequency mode (LFM)\n", 2254 ratio, bclk, ratio * bclk); 2255 2256 ratio = (msr >> 16) & 0x3F; 2257 if (ratio) 2258 fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n", 2259 ratio, bclk, ratio * bclk); 2260 2261 get_msr(base_cpu, MSR_ATOM_CORE_TURBO_RATIOS, &msr); 2262 fprintf(outf, "cpu%d: MSR_ATOM_CORE_TURBO_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF); 2263 2264 ratio = (msr >> 24) & 0x3F; 2265 if (ratio) 2266 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 4 active cores\n", 2267 ratio, bclk, ratio * bclk); 2268 2269 ratio = (msr >> 16) & 0x3F; 2270 if (ratio) 2271 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 3 active cores\n", 2272 ratio, bclk, ratio * bclk); 2273 2274 ratio = (msr >> 8) & 0x3F; 2275 if (ratio) 2276 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 2 active cores\n", 2277 ratio, bclk, ratio * bclk); 2278 2279 ratio = (msr >> 0) & 0x3F; 2280 if (ratio) 2281 fprintf(outf, "%d * %.1f = %.1f MHz max turbo 1 active core\n", 2282 ratio, bclk, ratio * bclk); 2283 } 2284 2285 static void 2286 dump_knl_turbo_ratio_limits(void) 2287 { 2288 const unsigned int buckets_no = 7; 2289 2290 unsigned long long msr; 2291 int delta_cores, delta_ratio; 2292 int i, b_nr; 2293 unsigned int cores[buckets_no]; 2294 unsigned int ratio[buckets_no]; 2295 2296 get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 2297 2298 fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 2299 base_cpu, msr); 2300 2301 /** 2302 * Turbo encoding in KNL is as follows: 2303 * [0] -- Reserved 2304 * [7:1] -- Base value of number of active cores of bucket 1. 2305 * [15:8] -- Base value of freq ratio of bucket 1. 2306 * [20:16] -- +ve delta of number of active cores of bucket 2. 2307 * i.e. active cores of bucket 2 = 2308 * active cores of bucket 1 + delta 2309 * [23:21] -- Negative delta of freq ratio of bucket 2. 2310 * i.e. freq ratio of bucket 2 = 2311 * freq ratio of bucket 1 - delta 2312 * [28:24]-- +ve delta of number of active cores of bucket 3. 2313 * [31:29]-- -ve delta of freq ratio of bucket 3. 2314 * [36:32]-- +ve delta of number of active cores of bucket 4. 2315 * [39:37]-- -ve delta of freq ratio of bucket 4. 2316 * [44:40]-- +ve delta of number of active cores of bucket 5. 2317 * [47:45]-- -ve delta of freq ratio of bucket 5. 2318 * [52:48]-- +ve delta of number of active cores of bucket 6. 2319 * [55:53]-- -ve delta of freq ratio of bucket 6. 2320 * [60:56]-- +ve delta of number of active cores of bucket 7. 2321 * [63:61]-- -ve delta of freq ratio of bucket 7. 2322 */ 2323 2324 b_nr = 0; 2325 cores[b_nr] = (msr & 0xFF) >> 1; 2326 ratio[b_nr] = (msr >> 8) & 0xFF; 2327 2328 for (i = 16; i < 64; i += 8) { 2329 delta_cores = (msr >> i) & 0x1F; 2330 delta_ratio = (msr >> (i + 5)) & 0x7; 2331 2332 cores[b_nr + 1] = cores[b_nr] + delta_cores; 2333 ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 2334 b_nr++; 2335 } 2336 2337 for (i = buckets_no - 1; i >= 0; i--) 2338 if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 2339 fprintf(outf, 2340 "%d * %.1f = %.1f MHz max turbo %d active cores\n", 2341 ratio[i], bclk, ratio[i] * bclk, cores[i]); 2342 } 2343 2344 static void 2345 dump_nhm_cst_cfg(void) 2346 { 2347 unsigned long long msr; 2348 2349 get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr); 2350 2351 fprintf(outf, "cpu%d: MSR_PKG_CST_CONFIG_CONTROL: 0x%08llx", base_cpu, msr); 2352 2353 fprintf(outf, " (%s%s%s%s%slocked, pkg-cstate-limit=%d (%s)", 2354 (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 2355 (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 2356 (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 2357 (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 2358 (msr & (1 << 15)) ? "" : "UN", 2359 (unsigned int)msr & 0xF, 2360 pkg_cstate_limit_strings[pkg_cstate_limit]); 2361 2362 #define AUTOMATIC_CSTATE_CONVERSION (1UL << 16) 2363 if (has_automatic_cstate_conversion) { 2364 fprintf(outf, ", automatic c-state conversion=%s", 2365 (msr & AUTOMATIC_CSTATE_CONVERSION) ? "on" : "off"); 2366 } 2367 2368 fprintf(outf, ")\n"); 2369 2370 return; 2371 } 2372 2373 static void 2374 dump_config_tdp(void) 2375 { 2376 unsigned long long msr; 2377 2378 get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 2379 fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 2380 fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF); 2381 2382 get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 2383 fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 2384 if (msr) { 2385 fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 2386 fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 2387 fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 2388 fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF); 2389 } 2390 fprintf(outf, ")\n"); 2391 2392 get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 2393 fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 2394 if (msr) { 2395 fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 2396 fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 2397 fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 2398 fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF); 2399 } 2400 fprintf(outf, ")\n"); 2401 2402 get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 2403 fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 2404 if ((msr) & 0x3) 2405 fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 2406 fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 2407 fprintf(outf, ")\n"); 2408 2409 get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 2410 fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 2411 fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF); 2412 fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 2413 fprintf(outf, ")\n"); 2414 } 2415 2416 unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; 2417 2418 void print_irtl(void) 2419 { 2420 unsigned long long msr; 2421 2422 get_msr(base_cpu, MSR_PKGC3_IRTL, &msr); 2423 fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr); 2424 fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 2425 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 2426 2427 get_msr(base_cpu, MSR_PKGC6_IRTL, &msr); 2428 fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr); 2429 fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 2430 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 2431 2432 get_msr(base_cpu, MSR_PKGC7_IRTL, &msr); 2433 fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr); 2434 fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 2435 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 2436 2437 if (!do_irtl_hsw) 2438 return; 2439 2440 get_msr(base_cpu, MSR_PKGC8_IRTL, &msr); 2441 fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr); 2442 fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 2443 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 2444 2445 get_msr(base_cpu, MSR_PKGC9_IRTL, &msr); 2446 fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr); 2447 fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 2448 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 2449 2450 get_msr(base_cpu, MSR_PKGC10_IRTL, &msr); 2451 fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr); 2452 fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 2453 (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 2454 2455 } 2456 void free_fd_percpu(void) 2457 { 2458 int i; 2459 2460 for (i = 0; i < topo.max_cpu_num + 1; ++i) { 2461 if (fd_percpu[i] != 0) 2462 close(fd_percpu[i]); 2463 } 2464 2465 free(fd_percpu); 2466 } 2467 2468 void free_all_buffers(void) 2469 { 2470 int i; 2471 2472 CPU_FREE(cpu_present_set); 2473 cpu_present_set = NULL; 2474 cpu_present_setsize = 0; 2475 2476 CPU_FREE(cpu_affinity_set); 2477 cpu_affinity_set = NULL; 2478 cpu_affinity_setsize = 0; 2479 2480 free(thread_even); 2481 free(core_even); 2482 free(package_even); 2483 2484 thread_even = NULL; 2485 core_even = NULL; 2486 package_even = NULL; 2487 2488 free(thread_odd); 2489 free(core_odd); 2490 free(package_odd); 2491 2492 thread_odd = NULL; 2493 core_odd = NULL; 2494 package_odd = NULL; 2495 2496 free(output_buffer); 2497 output_buffer = NULL; 2498 outp = NULL; 2499 2500 free_fd_percpu(); 2501 2502 free(irq_column_2_cpu); 2503 free(irqs_per_cpu); 2504 2505 for (i = 0; i <= topo.max_cpu_num; ++i) { 2506 if (cpus[i].put_ids) 2507 CPU_FREE(cpus[i].put_ids); 2508 } 2509 free(cpus); 2510 } 2511 2512 2513 /* 2514 * Parse a file containing a single int. 2515 * Return 0 if file can not be opened 2516 * Exit if file can be opened, but can not be parsed 2517 */ 2518 int parse_int_file(const char *fmt, ...) 2519 { 2520 va_list args; 2521 char path[PATH_MAX]; 2522 FILE *filep; 2523 int value; 2524 2525 va_start(args, fmt); 2526 vsnprintf(path, sizeof(path), fmt, args); 2527 va_end(args); 2528 filep = fopen(path, "r"); 2529 if (!filep) 2530 return 0; 2531 if (fscanf(filep, "%d", &value) != 1) 2532 err(1, "%s: failed to parse number from file", path); 2533 fclose(filep); 2534 return value; 2535 } 2536 2537 /* 2538 * cpu_is_first_core_in_package(cpu) 2539 * return 1 if given CPU is 1st core in package 2540 */ 2541 int cpu_is_first_core_in_package(int cpu) 2542 { 2543 return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 2544 } 2545 2546 int get_physical_package_id(int cpu) 2547 { 2548 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 2549 } 2550 2551 int get_die_id(int cpu) 2552 { 2553 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/die_id", cpu); 2554 } 2555 2556 int get_core_id(int cpu) 2557 { 2558 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 2559 } 2560 2561 void set_node_data(void) 2562 { 2563 int pkg, node, lnode, cpu, cpux; 2564 int cpu_count; 2565 2566 /* initialize logical_node_id */ 2567 for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu) 2568 cpus[cpu].logical_node_id = -1; 2569 2570 cpu_count = 0; 2571 for (pkg = 0; pkg < topo.num_packages; pkg++) { 2572 lnode = 0; 2573 for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu) { 2574 if (cpus[cpu].physical_package_id != pkg) 2575 continue; 2576 /* find a cpu with an unset logical_node_id */ 2577 if (cpus[cpu].logical_node_id != -1) 2578 continue; 2579 cpus[cpu].logical_node_id = lnode; 2580 node = cpus[cpu].physical_node_id; 2581 cpu_count++; 2582 /* 2583 * find all matching cpus on this pkg and set 2584 * the logical_node_id 2585 */ 2586 for (cpux = cpu; cpux <= topo.max_cpu_num; cpux++) { 2587 if ((cpus[cpux].physical_package_id == pkg) && 2588 (cpus[cpux].physical_node_id == node)) { 2589 cpus[cpux].logical_node_id = lnode; 2590 cpu_count++; 2591 } 2592 } 2593 lnode++; 2594 if (lnode > topo.nodes_per_pkg) 2595 topo.nodes_per_pkg = lnode; 2596 } 2597 if (cpu_count >= topo.max_cpu_num) 2598 break; 2599 } 2600 } 2601 2602 int get_physical_node_id(struct cpu_topology *thiscpu) 2603 { 2604 char path[80]; 2605 FILE *filep; 2606 int i; 2607 int cpu = thiscpu->logical_cpu_id; 2608 2609 for (i = 0; i <= topo.max_cpu_num; i++) { 2610 sprintf(path, "/sys/devices/system/cpu/cpu%d/node%i/cpulist", 2611 cpu, i); 2612 filep = fopen(path, "r"); 2613 if (!filep) 2614 continue; 2615 fclose(filep); 2616 return i; 2617 } 2618 return -1; 2619 } 2620 2621 int get_thread_siblings(struct cpu_topology *thiscpu) 2622 { 2623 char path[80], character; 2624 FILE *filep; 2625 unsigned long map; 2626 int so, shift, sib_core; 2627 int cpu = thiscpu->logical_cpu_id; 2628 int offset = topo.max_cpu_num + 1; 2629 size_t size; 2630 int thread_id = 0; 2631 2632 thiscpu->put_ids = CPU_ALLOC((topo.max_cpu_num + 1)); 2633 if (thiscpu->thread_id < 0) 2634 thiscpu->thread_id = thread_id++; 2635 if (!thiscpu->put_ids) 2636 return -1; 2637 2638 size = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 2639 CPU_ZERO_S(size, thiscpu->put_ids); 2640 2641 sprintf(path, 2642 "/sys/devices/system/cpu/cpu%d/topology/thread_siblings", cpu); 2643 filep = fopen_or_die(path, "r"); 2644 do { 2645 offset -= BITMASK_SIZE; 2646 if (fscanf(filep, "%lx%c", &map, &character) != 2) 2647 err(1, "%s: failed to parse file", path); 2648 for (shift = 0; shift < BITMASK_SIZE; shift++) { 2649 if ((map >> shift) & 0x1) { 2650 so = shift + offset; 2651 sib_core = get_core_id(so); 2652 if (sib_core == thiscpu->physical_core_id) { 2653 CPU_SET_S(so, size, thiscpu->put_ids); 2654 if ((so != cpu) && 2655 (cpus[so].thread_id < 0)) 2656 cpus[so].thread_id = 2657 thread_id++; 2658 } 2659 } 2660 } 2661 } while (!strncmp(&character, ",", 1)); 2662 fclose(filep); 2663 2664 return CPU_COUNT_S(size, thiscpu->put_ids); 2665 } 2666 2667 /* 2668 * run func(thread, core, package) in topology order 2669 * skip non-present cpus 2670 */ 2671 2672 int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 2673 struct pkg_data *, struct thread_data *, struct core_data *, 2674 struct pkg_data *), struct thread_data *thread_base, 2675 struct core_data *core_base, struct pkg_data *pkg_base, 2676 struct thread_data *thread_base2, struct core_data *core_base2, 2677 struct pkg_data *pkg_base2) 2678 { 2679 int retval, pkg_no, node_no, core_no, thread_no; 2680 2681 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 2682 for (node_no = 0; node_no < topo.nodes_per_pkg; ++node_no) { 2683 for (core_no = 0; core_no < topo.cores_per_node; 2684 ++core_no) { 2685 for (thread_no = 0; thread_no < 2686 topo.threads_per_core; ++thread_no) { 2687 struct thread_data *t, *t2; 2688 struct core_data *c, *c2; 2689 struct pkg_data *p, *p2; 2690 2691 t = GET_THREAD(thread_base, thread_no, 2692 core_no, node_no, 2693 pkg_no); 2694 2695 if (cpu_is_not_present(t->cpu_id)) 2696 continue; 2697 2698 t2 = GET_THREAD(thread_base2, thread_no, 2699 core_no, node_no, 2700 pkg_no); 2701 2702 c = GET_CORE(core_base, core_no, 2703 node_no, pkg_no); 2704 c2 = GET_CORE(core_base2, core_no, 2705 node_no, 2706 pkg_no); 2707 2708 p = GET_PKG(pkg_base, pkg_no); 2709 p2 = GET_PKG(pkg_base2, pkg_no); 2710 2711 retval = func(t, c, p, t2, c2, p2); 2712 if (retval) 2713 return retval; 2714 } 2715 } 2716 } 2717 } 2718 return 0; 2719 } 2720 2721 /* 2722 * run func(cpu) on every cpu in /proc/stat 2723 * return max_cpu number 2724 */ 2725 int for_all_proc_cpus(int (func)(int)) 2726 { 2727 FILE *fp; 2728 int cpu_num; 2729 int retval; 2730 2731 fp = fopen_or_die(proc_stat, "r"); 2732 2733 retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 2734 if (retval != 0) 2735 err(1, "%s: failed to parse format", proc_stat); 2736 2737 while (1) { 2738 retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 2739 if (retval != 1) 2740 break; 2741 2742 retval = func(cpu_num); 2743 if (retval) { 2744 fclose(fp); 2745 return(retval); 2746 } 2747 } 2748 fclose(fp); 2749 return 0; 2750 } 2751 2752 void re_initialize(void) 2753 { 2754 free_all_buffers(); 2755 setup_all_buffers(); 2756 printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 2757 } 2758 2759 void set_max_cpu_num(void) 2760 { 2761 FILE *filep; 2762 unsigned long dummy; 2763 2764 topo.max_cpu_num = 0; 2765 filep = fopen_or_die( 2766 "/sys/devices/system/cpu/cpu0/topology/thread_siblings", 2767 "r"); 2768 while (fscanf(filep, "%lx,", &dummy) == 1) 2769 topo.max_cpu_num += BITMASK_SIZE; 2770 fclose(filep); 2771 topo.max_cpu_num--; /* 0 based */ 2772 } 2773 2774 /* 2775 * count_cpus() 2776 * remember the last one seen, it will be the max 2777 */ 2778 int count_cpus(int cpu) 2779 { 2780 topo.num_cpus++; 2781 return 0; 2782 } 2783 int mark_cpu_present(int cpu) 2784 { 2785 CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 2786 return 0; 2787 } 2788 2789 int init_thread_id(int cpu) 2790 { 2791 cpus[cpu].thread_id = -1; 2792 return 0; 2793 } 2794 2795 /* 2796 * snapshot_proc_interrupts() 2797 * 2798 * read and record summary of /proc/interrupts 2799 * 2800 * return 1 if config change requires a restart, else return 0 2801 */ 2802 int snapshot_proc_interrupts(void) 2803 { 2804 static FILE *fp; 2805 int column, retval; 2806 2807 if (fp == NULL) 2808 fp = fopen_or_die("/proc/interrupts", "r"); 2809 else 2810 rewind(fp); 2811 2812 /* read 1st line of /proc/interrupts to get cpu* name for each column */ 2813 for (column = 0; column < topo.num_cpus; ++column) { 2814 int cpu_number; 2815 2816 retval = fscanf(fp, " CPU%d", &cpu_number); 2817 if (retval != 1) 2818 break; 2819 2820 if (cpu_number > topo.max_cpu_num) { 2821 warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num); 2822 return 1; 2823 } 2824 2825 irq_column_2_cpu[column] = cpu_number; 2826 irqs_per_cpu[cpu_number] = 0; 2827 } 2828 2829 /* read /proc/interrupt count lines and sum up irqs per cpu */ 2830 while (1) { 2831 int column; 2832 char buf[64]; 2833 2834 retval = fscanf(fp, " %s:", buf); /* flush irq# "N:" */ 2835 if (retval != 1) 2836 break; 2837 2838 /* read the count per cpu */ 2839 for (column = 0; column < topo.num_cpus; ++column) { 2840 2841 int cpu_number, irq_count; 2842 2843 retval = fscanf(fp, " %d", &irq_count); 2844 if (retval != 1) 2845 break; 2846 2847 cpu_number = irq_column_2_cpu[column]; 2848 irqs_per_cpu[cpu_number] += irq_count; 2849 2850 } 2851 2852 while (getc(fp) != '\n') 2853 ; /* flush interrupt description */ 2854 2855 } 2856 return 0; 2857 } 2858 /* 2859 * snapshot_gfx_rc6_ms() 2860 * 2861 * record snapshot of 2862 * /sys/class/drm/card0/power/rc6_residency_ms 2863 * 2864 * return 1 if config change requires a restart, else return 0 2865 */ 2866 int snapshot_gfx_rc6_ms(void) 2867 { 2868 FILE *fp; 2869 int retval; 2870 2871 fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r"); 2872 2873 retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms); 2874 if (retval != 1) 2875 err(1, "GFX rc6"); 2876 2877 fclose(fp); 2878 2879 return 0; 2880 } 2881 /* 2882 * snapshot_gfx_mhz() 2883 * 2884 * record snapshot of 2885 * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz 2886 * 2887 * return 1 if config change requires a restart, else return 0 2888 */ 2889 int snapshot_gfx_mhz(void) 2890 { 2891 static FILE *fp; 2892 int retval; 2893 2894 if (fp == NULL) 2895 fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); 2896 else { 2897 rewind(fp); 2898 fflush(fp); 2899 } 2900 2901 retval = fscanf(fp, "%d", &gfx_cur_mhz); 2902 if (retval != 1) 2903 err(1, "GFX MHz"); 2904 2905 return 0; 2906 } 2907 2908 /* 2909 * snapshot_cpu_lpi() 2910 * 2911 * record snapshot of 2912 * /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us 2913 * 2914 * return 1 if config change requires a restart, else return 0 2915 */ 2916 int snapshot_cpu_lpi_us(void) 2917 { 2918 FILE *fp; 2919 int retval; 2920 2921 fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", "r"); 2922 2923 retval = fscanf(fp, "%lld", &cpuidle_cur_cpu_lpi_us); 2924 if (retval != 1) { 2925 fprintf(stderr, "Disabling Low Power Idle CPU output\n"); 2926 BIC_NOT_PRESENT(BIC_CPU_LPI); 2927 return -1; 2928 } 2929 2930 fclose(fp); 2931 2932 return 0; 2933 } 2934 /* 2935 * snapshot_sys_lpi() 2936 * 2937 * record snapshot of 2938 * /sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us 2939 * 2940 * return 1 if config change requires a restart, else return 0 2941 */ 2942 int snapshot_sys_lpi_us(void) 2943 { 2944 FILE *fp; 2945 int retval; 2946 2947 fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us", "r"); 2948 2949 retval = fscanf(fp, "%lld", &cpuidle_cur_sys_lpi_us); 2950 if (retval != 1) { 2951 fprintf(stderr, "Disabling Low Power Idle System output\n"); 2952 BIC_NOT_PRESENT(BIC_SYS_LPI); 2953 return -1; 2954 } 2955 fclose(fp); 2956 2957 return 0; 2958 } 2959 /* 2960 * snapshot /proc and /sys files 2961 * 2962 * return 1 if configuration restart needed, else return 0 2963 */ 2964 int snapshot_proc_sysfs_files(void) 2965 { 2966 if (DO_BIC(BIC_IRQ)) 2967 if (snapshot_proc_interrupts()) 2968 return 1; 2969 2970 if (DO_BIC(BIC_GFX_rc6)) 2971 snapshot_gfx_rc6_ms(); 2972 2973 if (DO_BIC(BIC_GFXMHz)) 2974 snapshot_gfx_mhz(); 2975 2976 if (DO_BIC(BIC_CPU_LPI)) 2977 snapshot_cpu_lpi_us(); 2978 2979 if (DO_BIC(BIC_SYS_LPI)) 2980 snapshot_sys_lpi_us(); 2981 2982 return 0; 2983 } 2984 2985 int exit_requested; 2986 2987 static void signal_handler (int signal) 2988 { 2989 switch (signal) { 2990 case SIGINT: 2991 exit_requested = 1; 2992 if (debug) 2993 fprintf(stderr, " SIGINT\n"); 2994 break; 2995 case SIGUSR1: 2996 if (debug > 1) 2997 fprintf(stderr, "SIGUSR1\n"); 2998 break; 2999 } 3000 /* make sure this manually-invoked interval is at least 1ms long */ 3001 nanosleep(&one_msec, NULL); 3002 } 3003 3004 void setup_signal_handler(void) 3005 { 3006 struct sigaction sa; 3007 3008 memset(&sa, 0, sizeof(sa)); 3009 3010 sa.sa_handler = &signal_handler; 3011 3012 if (sigaction(SIGINT, &sa, NULL) < 0) 3013 err(1, "sigaction SIGINT"); 3014 if (sigaction(SIGUSR1, &sa, NULL) < 0) 3015 err(1, "sigaction SIGUSR1"); 3016 } 3017 3018 void do_sleep(void) 3019 { 3020 struct timeval select_timeout; 3021 fd_set readfds; 3022 int retval; 3023 3024 FD_ZERO(&readfds); 3025 FD_SET(0, &readfds); 3026 3027 if (!isatty(fileno(stdin))) { 3028 nanosleep(&interval_ts, NULL); 3029 return; 3030 } 3031 3032 select_timeout = interval_tv; 3033 retval = select(1, &readfds, NULL, NULL, &select_timeout); 3034 3035 if (retval == 1) { 3036 switch (getc(stdin)) { 3037 case 'q': 3038 exit_requested = 1; 3039 break; 3040 } 3041 /* make sure this manually-invoked interval is at least 1ms long */ 3042 nanosleep(&one_msec, NULL); 3043 } 3044 } 3045 3046 3047 void turbostat_loop() 3048 { 3049 int retval; 3050 int restarted = 0; 3051 int done_iters = 0; 3052 3053 setup_signal_handler(); 3054 3055 restart: 3056 restarted++; 3057 3058 snapshot_proc_sysfs_files(); 3059 retval = for_all_cpus(get_counters, EVEN_COUNTERS); 3060 first_counter_read = 0; 3061 if (retval < -1) { 3062 exit(retval); 3063 } else if (retval == -1) { 3064 if (restarted > 1) { 3065 exit(retval); 3066 } 3067 re_initialize(); 3068 goto restart; 3069 } 3070 restarted = 0; 3071 done_iters = 0; 3072 gettimeofday(&tv_even, (struct timezone *)NULL); 3073 3074 while (1) { 3075 if (for_all_proc_cpus(cpu_is_not_present)) { 3076 re_initialize(); 3077 goto restart; 3078 } 3079 do_sleep(); 3080 if (snapshot_proc_sysfs_files()) 3081 goto restart; 3082 retval = for_all_cpus(get_counters, ODD_COUNTERS); 3083 if (retval < -1) { 3084 exit(retval); 3085 } else if (retval == -1) { 3086 re_initialize(); 3087 goto restart; 3088 } 3089 gettimeofday(&tv_odd, (struct timezone *)NULL); 3090 timersub(&tv_odd, &tv_even, &tv_delta); 3091 if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) { 3092 re_initialize(); 3093 goto restart; 3094 } 3095 compute_average(EVEN_COUNTERS); 3096 format_all_counters(EVEN_COUNTERS); 3097 flush_output_stdout(); 3098 if (exit_requested) 3099 break; 3100 if (num_iterations && ++done_iters >= num_iterations) 3101 break; 3102 do_sleep(); 3103 if (snapshot_proc_sysfs_files()) 3104 goto restart; 3105 retval = for_all_cpus(get_counters, EVEN_COUNTERS); 3106 if (retval < -1) { 3107 exit(retval); 3108 } else if (retval == -1) { 3109 re_initialize(); 3110 goto restart; 3111 } 3112 gettimeofday(&tv_even, (struct timezone *)NULL); 3113 timersub(&tv_even, &tv_odd, &tv_delta); 3114 if (for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) { 3115 re_initialize(); 3116 goto restart; 3117 } 3118 compute_average(ODD_COUNTERS); 3119 format_all_counters(ODD_COUNTERS); 3120 flush_output_stdout(); 3121 if (exit_requested) 3122 break; 3123 if (num_iterations && ++done_iters >= num_iterations) 3124 break; 3125 } 3126 } 3127 3128 void check_dev_msr() 3129 { 3130 struct stat sb; 3131 char pathname[32]; 3132 3133 sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 3134 if (stat(pathname, &sb)) 3135 if (system("/sbin/modprobe msr > /dev/null 2>&1")) 3136 err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 3137 } 3138 3139 void check_permissions() 3140 { 3141 struct __user_cap_header_struct cap_header_data; 3142 cap_user_header_t cap_header = &cap_header_data; 3143 struct __user_cap_data_struct cap_data_data; 3144 cap_user_data_t cap_data = &cap_data_data; 3145 extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 3146 int do_exit = 0; 3147 char pathname[32]; 3148 3149 /* check for CAP_SYS_RAWIO */ 3150 cap_header->pid = getpid(); 3151 cap_header->version = _LINUX_CAPABILITY_VERSION; 3152 if (capget(cap_header, cap_data) < 0) 3153 err(-6, "capget(2) failed"); 3154 3155 if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 3156 do_exit++; 3157 warnx("capget(CAP_SYS_RAWIO) failed," 3158 " try \"# setcap cap_sys_rawio=ep %s\"", progname); 3159 } 3160 3161 /* test file permissions */ 3162 sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 3163 if (euidaccess(pathname, R_OK)) { 3164 do_exit++; 3165 warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 3166 } 3167 3168 /* if all else fails, thell them to be root */ 3169 if (do_exit) 3170 if (getuid() != 0) 3171 warnx("... or simply run as root"); 3172 3173 if (do_exit) 3174 exit(-6); 3175 } 3176 3177 /* 3178 * NHM adds support for additional MSRs: 3179 * 3180 * MSR_SMI_COUNT 0x00000034 3181 * 3182 * MSR_PLATFORM_INFO 0x000000ce 3183 * MSR_PKG_CST_CONFIG_CONTROL 0x000000e2 3184 * 3185 * MSR_MISC_PWR_MGMT 0x000001aa 3186 * 3187 * MSR_PKG_C3_RESIDENCY 0x000003f8 3188 * MSR_PKG_C6_RESIDENCY 0x000003f9 3189 * MSR_CORE_C3_RESIDENCY 0x000003fc 3190 * MSR_CORE_C6_RESIDENCY 0x000003fd 3191 * 3192 * Side effect: 3193 * sets global pkg_cstate_limit to decode MSR_PKG_CST_CONFIG_CONTROL 3194 * sets has_misc_feature_control 3195 */ 3196 int probe_nhm_msrs(unsigned int family, unsigned int model) 3197 { 3198 unsigned long long msr; 3199 unsigned int base_ratio; 3200 int *pkg_cstate_limits; 3201 3202 if (!genuine_intel) 3203 return 0; 3204 3205 if (family != 6) 3206 return 0; 3207 3208 bclk = discover_bclk(family, model); 3209 3210 switch (model) { 3211 case INTEL_FAM6_NEHALEM: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 3212 case INTEL_FAM6_NEHALEM_EX: /* Nehalem-EX Xeon - Beckton */ 3213 pkg_cstate_limits = nhm_pkg_cstate_limits; 3214 break; 3215 case INTEL_FAM6_SANDYBRIDGE: /* SNB */ 3216 case INTEL_FAM6_SANDYBRIDGE_X: /* SNB Xeon */ 3217 case INTEL_FAM6_IVYBRIDGE: /* IVB */ 3218 case INTEL_FAM6_IVYBRIDGE_X: /* IVB Xeon */ 3219 pkg_cstate_limits = snb_pkg_cstate_limits; 3220 has_misc_feature_control = 1; 3221 break; 3222 case INTEL_FAM6_HASWELL_CORE: /* HSW */ 3223 case INTEL_FAM6_HASWELL_X: /* HSX */ 3224 case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 3225 case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 3226 case INTEL_FAM6_BROADWELL_GT3E: /* BDW */ 3227 case INTEL_FAM6_BROADWELL_X: /* BDX */ 3228 case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 3229 case INTEL_FAM6_CANNONLAKE_MOBILE: /* CNL */ 3230 pkg_cstate_limits = hsw_pkg_cstate_limits; 3231 has_misc_feature_control = 1; 3232 break; 3233 case INTEL_FAM6_SKYLAKE_X: /* SKX */ 3234 pkg_cstate_limits = skx_pkg_cstate_limits; 3235 has_misc_feature_control = 1; 3236 break; 3237 case INTEL_FAM6_ATOM_SILVERMONT: /* BYT */ 3238 no_MSR_MISC_PWR_MGMT = 1; 3239 case INTEL_FAM6_ATOM_SILVERMONT_X: /* AVN */ 3240 pkg_cstate_limits = slv_pkg_cstate_limits; 3241 break; 3242 case INTEL_FAM6_ATOM_AIRMONT: /* AMT */ 3243 pkg_cstate_limits = amt_pkg_cstate_limits; 3244 no_MSR_MISC_PWR_MGMT = 1; 3245 break; 3246 case INTEL_FAM6_XEON_PHI_KNL: /* PHI */ 3247 pkg_cstate_limits = phi_pkg_cstate_limits; 3248 break; 3249 case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 3250 case INTEL_FAM6_ATOM_GOLDMONT_PLUS: 3251 case INTEL_FAM6_ATOM_GOLDMONT_X: /* DNV */ 3252 pkg_cstate_limits = glm_pkg_cstate_limits; 3253 break; 3254 default: 3255 return 0; 3256 } 3257 get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr); 3258 pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 3259 3260 get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 3261 base_ratio = (msr >> 8) & 0xFF; 3262 3263 base_hz = base_ratio * bclk * 1000000; 3264 has_base_hz = 1; 3265 return 1; 3266 } 3267 /* 3268 * SLV client has support for unique MSRs: 3269 * 3270 * MSR_CC6_DEMOTION_POLICY_CONFIG 3271 * MSR_MC6_DEMOTION_POLICY_CONFIG 3272 */ 3273 3274 int has_slv_msrs(unsigned int family, unsigned int model) 3275 { 3276 if (!genuine_intel) 3277 return 0; 3278 3279 switch (model) { 3280 case INTEL_FAM6_ATOM_SILVERMONT: 3281 case INTEL_FAM6_ATOM_SILVERMONT_MID: 3282 case INTEL_FAM6_ATOM_AIRMONT_MID: 3283 return 1; 3284 } 3285 return 0; 3286 } 3287 int is_dnv(unsigned int family, unsigned int model) 3288 { 3289 3290 if (!genuine_intel) 3291 return 0; 3292 3293 switch (model) { 3294 case INTEL_FAM6_ATOM_GOLDMONT_X: 3295 return 1; 3296 } 3297 return 0; 3298 } 3299 int is_bdx(unsigned int family, unsigned int model) 3300 { 3301 3302 if (!genuine_intel) 3303 return 0; 3304 3305 switch (model) { 3306 case INTEL_FAM6_BROADWELL_X: 3307 return 1; 3308 } 3309 return 0; 3310 } 3311 int is_skx(unsigned int family, unsigned int model) 3312 { 3313 3314 if (!genuine_intel) 3315 return 0; 3316 3317 switch (model) { 3318 case INTEL_FAM6_SKYLAKE_X: 3319 return 1; 3320 } 3321 return 0; 3322 } 3323 3324 int has_turbo_ratio_limit(unsigned int family, unsigned int model) 3325 { 3326 if (has_slv_msrs(family, model)) 3327 return 0; 3328 3329 switch (model) { 3330 /* Nehalem compatible, but do not include turbo-ratio limit support */ 3331 case INTEL_FAM6_NEHALEM_EX: /* Nehalem-EX Xeon - Beckton */ 3332 case INTEL_FAM6_XEON_PHI_KNL: /* PHI - Knights Landing (different MSR definition) */ 3333 return 0; 3334 default: 3335 return 1; 3336 } 3337 } 3338 int has_atom_turbo_ratio_limit(unsigned int family, unsigned int model) 3339 { 3340 if (has_slv_msrs(family, model)) 3341 return 1; 3342 3343 return 0; 3344 } 3345 int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 3346 { 3347 if (!genuine_intel) 3348 return 0; 3349 3350 if (family != 6) 3351 return 0; 3352 3353 switch (model) { 3354 case INTEL_FAM6_IVYBRIDGE_X: /* IVB Xeon */ 3355 case INTEL_FAM6_HASWELL_X: /* HSW Xeon */ 3356 return 1; 3357 default: 3358 return 0; 3359 } 3360 } 3361 int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 3362 { 3363 if (!genuine_intel) 3364 return 0; 3365 3366 if (family != 6) 3367 return 0; 3368 3369 switch (model) { 3370 case INTEL_FAM6_HASWELL_X: /* HSW Xeon */ 3371 return 1; 3372 default: 3373 return 0; 3374 } 3375 } 3376 3377 int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 3378 { 3379 if (!genuine_intel) 3380 return 0; 3381 3382 if (family != 6) 3383 return 0; 3384 3385 switch (model) { 3386 case INTEL_FAM6_XEON_PHI_KNL: /* Knights Landing */ 3387 return 1; 3388 default: 3389 return 0; 3390 } 3391 } 3392 int has_glm_turbo_ratio_limit(unsigned int family, unsigned int model) 3393 { 3394 if (!genuine_intel) 3395 return 0; 3396 3397 if (family != 6) 3398 return 0; 3399 3400 switch (model) { 3401 case INTEL_FAM6_ATOM_GOLDMONT: 3402 case INTEL_FAM6_SKYLAKE_X: 3403 return 1; 3404 default: 3405 return 0; 3406 } 3407 } 3408 int has_config_tdp(unsigned int family, unsigned int model) 3409 { 3410 if (!genuine_intel) 3411 return 0; 3412 3413 if (family != 6) 3414 return 0; 3415 3416 switch (model) { 3417 case INTEL_FAM6_IVYBRIDGE: /* IVB */ 3418 case INTEL_FAM6_HASWELL_CORE: /* HSW */ 3419 case INTEL_FAM6_HASWELL_X: /* HSX */ 3420 case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 3421 case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 3422 case INTEL_FAM6_BROADWELL_GT3E: /* BDW */ 3423 case INTEL_FAM6_BROADWELL_X: /* BDX */ 3424 case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 3425 case INTEL_FAM6_CANNONLAKE_MOBILE: /* CNL */ 3426 case INTEL_FAM6_SKYLAKE_X: /* SKX */ 3427 3428 case INTEL_FAM6_XEON_PHI_KNL: /* Knights Landing */ 3429 return 1; 3430 default: 3431 return 0; 3432 } 3433 } 3434 3435 static void 3436 dump_cstate_pstate_config_info(unsigned int family, unsigned int model) 3437 { 3438 if (!do_nhm_platform_info) 3439 return; 3440 3441 dump_nhm_platform_info(); 3442 3443 if (has_hsw_turbo_ratio_limit(family, model)) 3444 dump_hsw_turbo_ratio_limits(); 3445 3446 if (has_ivt_turbo_ratio_limit(family, model)) 3447 dump_ivt_turbo_ratio_limits(); 3448 3449 if (has_turbo_ratio_limit(family, model)) 3450 dump_turbo_ratio_limits(family, model); 3451 3452 if (has_atom_turbo_ratio_limit(family, model)) 3453 dump_atom_turbo_ratio_limits(); 3454 3455 if (has_knl_turbo_ratio_limit(family, model)) 3456 dump_knl_turbo_ratio_limits(); 3457 3458 if (has_config_tdp(family, model)) 3459 dump_config_tdp(); 3460 3461 dump_nhm_cst_cfg(); 3462 } 3463 3464 static void 3465 dump_sysfs_cstate_config(void) 3466 { 3467 char path[64]; 3468 char name_buf[16]; 3469 char desc[64]; 3470 FILE *input; 3471 int state; 3472 char *sp; 3473 3474 if (!DO_BIC(BIC_sysfs)) 3475 return; 3476 3477 for (state = 0; state < 10; ++state) { 3478 3479 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", 3480 base_cpu, state); 3481 input = fopen(path, "r"); 3482 if (input == NULL) 3483 continue; 3484 if (!fgets(name_buf, sizeof(name_buf), input)) 3485 err(1, "%s: failed to read file", path); 3486 3487 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */ 3488 sp = strchr(name_buf, '-'); 3489 if (!sp) 3490 sp = strchrnul(name_buf, '\n'); 3491 *sp = '\0'; 3492 fclose(input); 3493 3494 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/desc", 3495 base_cpu, state); 3496 input = fopen(path, "r"); 3497 if (input == NULL) 3498 continue; 3499 if (!fgets(desc, sizeof(desc), input)) 3500 err(1, "%s: failed to read file", path); 3501 3502 fprintf(outf, "cpu%d: %s: %s", base_cpu, name_buf, desc); 3503 fclose(input); 3504 } 3505 } 3506 static void 3507 dump_sysfs_pstate_config(void) 3508 { 3509 char path[64]; 3510 char driver_buf[64]; 3511 char governor_buf[64]; 3512 FILE *input; 3513 int turbo; 3514 3515 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_driver", 3516 base_cpu); 3517 input = fopen(path, "r"); 3518 if (input == NULL) { 3519 fprintf(outf, "NSFOD %s\n", path); 3520 return; 3521 } 3522 if (!fgets(driver_buf, sizeof(driver_buf), input)) 3523 err(1, "%s: failed to read file", path); 3524 fclose(input); 3525 3526 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor", 3527 base_cpu); 3528 input = fopen(path, "r"); 3529 if (input == NULL) { 3530 fprintf(outf, "NSFOD %s\n", path); 3531 return; 3532 } 3533 if (!fgets(governor_buf, sizeof(governor_buf), input)) 3534 err(1, "%s: failed to read file", path); 3535 fclose(input); 3536 3537 fprintf(outf, "cpu%d: cpufreq driver: %s", base_cpu, driver_buf); 3538 fprintf(outf, "cpu%d: cpufreq governor: %s", base_cpu, governor_buf); 3539 3540 sprintf(path, "/sys/devices/system/cpu/cpufreq/boost"); 3541 input = fopen(path, "r"); 3542 if (input != NULL) { 3543 if (fscanf(input, "%d", &turbo) != 1) 3544 err(1, "%s: failed to parse number from file", path); 3545 fprintf(outf, "cpufreq boost: %d\n", turbo); 3546 fclose(input); 3547 } 3548 3549 sprintf(path, "/sys/devices/system/cpu/intel_pstate/no_turbo"); 3550 input = fopen(path, "r"); 3551 if (input != NULL) { 3552 if (fscanf(input, "%d", &turbo) != 1) 3553 err(1, "%s: failed to parse number from file", path); 3554 fprintf(outf, "cpufreq intel_pstate no_turbo: %d\n", turbo); 3555 fclose(input); 3556 } 3557 } 3558 3559 3560 /* 3561 * print_epb() 3562 * Decode the ENERGY_PERF_BIAS MSR 3563 */ 3564 int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3565 { 3566 unsigned long long msr; 3567 char *epb_string; 3568 int cpu; 3569 3570 if (!has_epb) 3571 return 0; 3572 3573 cpu = t->cpu_id; 3574 3575 /* EPB is per-package */ 3576 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3577 return 0; 3578 3579 if (cpu_migrate(cpu)) { 3580 fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3581 return -1; 3582 } 3583 3584 if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 3585 return 0; 3586 3587 switch (msr & 0xF) { 3588 case ENERGY_PERF_BIAS_PERFORMANCE: 3589 epb_string = "performance"; 3590 break; 3591 case ENERGY_PERF_BIAS_NORMAL: 3592 epb_string = "balanced"; 3593 break; 3594 case ENERGY_PERF_BIAS_POWERSAVE: 3595 epb_string = "powersave"; 3596 break; 3597 default: 3598 epb_string = "custom"; 3599 break; 3600 } 3601 fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 3602 3603 return 0; 3604 } 3605 /* 3606 * print_hwp() 3607 * Decode the MSR_HWP_CAPABILITIES 3608 */ 3609 int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3610 { 3611 unsigned long long msr; 3612 int cpu; 3613 3614 if (!has_hwp) 3615 return 0; 3616 3617 cpu = t->cpu_id; 3618 3619 /* MSR_HWP_CAPABILITIES is per-package */ 3620 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3621 return 0; 3622 3623 if (cpu_migrate(cpu)) { 3624 fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3625 return -1; 3626 } 3627 3628 if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 3629 return 0; 3630 3631 fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 3632 cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 3633 3634 /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 3635 if ((msr & (1 << 0)) == 0) 3636 return 0; 3637 3638 if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 3639 return 0; 3640 3641 fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 3642 "(high %d guar %d eff %d low %d)\n", 3643 cpu, msr, 3644 (unsigned int)HWP_HIGHEST_PERF(msr), 3645 (unsigned int)HWP_GUARANTEED_PERF(msr), 3646 (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 3647 (unsigned int)HWP_LOWEST_PERF(msr)); 3648 3649 if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 3650 return 0; 3651 3652 fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 3653 "(min %d max %d des %d epp 0x%x window 0x%x pkg 0x%x)\n", 3654 cpu, msr, 3655 (unsigned int)(((msr) >> 0) & 0xff), 3656 (unsigned int)(((msr) >> 8) & 0xff), 3657 (unsigned int)(((msr) >> 16) & 0xff), 3658 (unsigned int)(((msr) >> 24) & 0xff), 3659 (unsigned int)(((msr) >> 32) & 0xff3), 3660 (unsigned int)(((msr) >> 42) & 0x1)); 3661 3662 if (has_hwp_pkg) { 3663 if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 3664 return 0; 3665 3666 fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 3667 "(min %d max %d des %d epp 0x%x window 0x%x)\n", 3668 cpu, msr, 3669 (unsigned int)(((msr) >> 0) & 0xff), 3670 (unsigned int)(((msr) >> 8) & 0xff), 3671 (unsigned int)(((msr) >> 16) & 0xff), 3672 (unsigned int)(((msr) >> 24) & 0xff), 3673 (unsigned int)(((msr) >> 32) & 0xff3)); 3674 } 3675 if (has_hwp_notify) { 3676 if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 3677 return 0; 3678 3679 fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 3680 "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 3681 cpu, msr, 3682 ((msr) & 0x1) ? "EN" : "Dis", 3683 ((msr) & 0x2) ? "EN" : "Dis"); 3684 } 3685 if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 3686 return 0; 3687 3688 fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 3689 "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 3690 cpu, msr, 3691 ((msr) & 0x1) ? "" : "No-", 3692 ((msr) & 0x2) ? "" : "No-"); 3693 3694 return 0; 3695 } 3696 3697 /* 3698 * print_perf_limit() 3699 */ 3700 int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3701 { 3702 unsigned long long msr; 3703 int cpu; 3704 3705 cpu = t->cpu_id; 3706 3707 /* per-package */ 3708 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3709 return 0; 3710 3711 if (cpu_migrate(cpu)) { 3712 fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3713 return -1; 3714 } 3715 3716 if (do_core_perf_limit_reasons) { 3717 get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 3718 fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 3719 fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 3720 (msr & 1 << 15) ? "bit15, " : "", 3721 (msr & 1 << 14) ? "bit14, " : "", 3722 (msr & 1 << 13) ? "Transitions, " : "", 3723 (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 3724 (msr & 1 << 11) ? "PkgPwrL2, " : "", 3725 (msr & 1 << 10) ? "PkgPwrL1, " : "", 3726 (msr & 1 << 9) ? "CorePwr, " : "", 3727 (msr & 1 << 8) ? "Amps, " : "", 3728 (msr & 1 << 6) ? "VR-Therm, " : "", 3729 (msr & 1 << 5) ? "Auto-HWP, " : "", 3730 (msr & 1 << 4) ? "Graphics, " : "", 3731 (msr & 1 << 2) ? "bit2, " : "", 3732 (msr & 1 << 1) ? "ThermStatus, " : "", 3733 (msr & 1 << 0) ? "PROCHOT, " : ""); 3734 fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 3735 (msr & 1 << 31) ? "bit31, " : "", 3736 (msr & 1 << 30) ? "bit30, " : "", 3737 (msr & 1 << 29) ? "Transitions, " : "", 3738 (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 3739 (msr & 1 << 27) ? "PkgPwrL2, " : "", 3740 (msr & 1 << 26) ? "PkgPwrL1, " : "", 3741 (msr & 1 << 25) ? "CorePwr, " : "", 3742 (msr & 1 << 24) ? "Amps, " : "", 3743 (msr & 1 << 22) ? "VR-Therm, " : "", 3744 (msr & 1 << 21) ? "Auto-HWP, " : "", 3745 (msr & 1 << 20) ? "Graphics, " : "", 3746 (msr & 1 << 18) ? "bit18, " : "", 3747 (msr & 1 << 17) ? "ThermStatus, " : "", 3748 (msr & 1 << 16) ? "PROCHOT, " : ""); 3749 3750 } 3751 if (do_gfx_perf_limit_reasons) { 3752 get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 3753 fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 3754 fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)", 3755 (msr & 1 << 0) ? "PROCHOT, " : "", 3756 (msr & 1 << 1) ? "ThermStatus, " : "", 3757 (msr & 1 << 4) ? "Graphics, " : "", 3758 (msr & 1 << 6) ? "VR-Therm, " : "", 3759 (msr & 1 << 8) ? "Amps, " : "", 3760 (msr & 1 << 9) ? "GFXPwr, " : "", 3761 (msr & 1 << 10) ? "PkgPwrL1, " : "", 3762 (msr & 1 << 11) ? "PkgPwrL2, " : ""); 3763 fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n", 3764 (msr & 1 << 16) ? "PROCHOT, " : "", 3765 (msr & 1 << 17) ? "ThermStatus, " : "", 3766 (msr & 1 << 20) ? "Graphics, " : "", 3767 (msr & 1 << 22) ? "VR-Therm, " : "", 3768 (msr & 1 << 24) ? "Amps, " : "", 3769 (msr & 1 << 25) ? "GFXPwr, " : "", 3770 (msr & 1 << 26) ? "PkgPwrL1, " : "", 3771 (msr & 1 << 27) ? "PkgPwrL2, " : ""); 3772 } 3773 if (do_ring_perf_limit_reasons) { 3774 get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 3775 fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 3776 fprintf(outf, " (Active: %s%s%s%s%s%s)", 3777 (msr & 1 << 0) ? "PROCHOT, " : "", 3778 (msr & 1 << 1) ? "ThermStatus, " : "", 3779 (msr & 1 << 6) ? "VR-Therm, " : "", 3780 (msr & 1 << 8) ? "Amps, " : "", 3781 (msr & 1 << 10) ? "PkgPwrL1, " : "", 3782 (msr & 1 << 11) ? "PkgPwrL2, " : ""); 3783 fprintf(outf, " (Logged: %s%s%s%s%s%s)\n", 3784 (msr & 1 << 16) ? "PROCHOT, " : "", 3785 (msr & 1 << 17) ? "ThermStatus, " : "", 3786 (msr & 1 << 22) ? "VR-Therm, " : "", 3787 (msr & 1 << 24) ? "Amps, " : "", 3788 (msr & 1 << 26) ? "PkgPwrL1, " : "", 3789 (msr & 1 << 27) ? "PkgPwrL2, " : ""); 3790 } 3791 return 0; 3792 } 3793 3794 #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 3795 #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 3796 3797 double get_tdp_intel(unsigned int model) 3798 { 3799 unsigned long long msr; 3800 3801 if (do_rapl & RAPL_PKG_POWER_INFO) 3802 if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 3803 return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 3804 3805 switch (model) { 3806 case INTEL_FAM6_ATOM_SILVERMONT: 3807 case INTEL_FAM6_ATOM_SILVERMONT_X: 3808 return 30.0; 3809 default: 3810 return 135.0; 3811 } 3812 } 3813 3814 double get_tdp_amd(unsigned int family) 3815 { 3816 switch (family) { 3817 case 0x17: 3818 default: 3819 /* This is the max stock TDP of HEDT/Server Fam17h chips */ 3820 return 250.0; 3821 } 3822 } 3823 3824 /* 3825 * rapl_dram_energy_units_probe() 3826 * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 3827 */ 3828 static double 3829 rapl_dram_energy_units_probe(int model, double rapl_energy_units) 3830 { 3831 /* only called for genuine_intel, family 6 */ 3832 3833 switch (model) { 3834 case INTEL_FAM6_HASWELL_X: /* HSX */ 3835 case INTEL_FAM6_BROADWELL_X: /* BDX */ 3836 case INTEL_FAM6_XEON_PHI_KNL: /* KNL */ 3837 return (rapl_dram_energy_units = 15.3 / 1000000); 3838 default: 3839 return (rapl_energy_units); 3840 } 3841 } 3842 3843 void rapl_probe_intel(unsigned int family, unsigned int model) 3844 { 3845 unsigned long long msr; 3846 unsigned int time_unit; 3847 double tdp; 3848 3849 if (family != 6) 3850 return; 3851 3852 switch (model) { 3853 case INTEL_FAM6_SANDYBRIDGE: 3854 case INTEL_FAM6_IVYBRIDGE: 3855 case INTEL_FAM6_HASWELL_CORE: /* HSW */ 3856 case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 3857 case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 3858 case INTEL_FAM6_BROADWELL_GT3E: /* BDW */ 3859 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 3860 if (rapl_joules) { 3861 BIC_PRESENT(BIC_Pkg_J); 3862 BIC_PRESENT(BIC_Cor_J); 3863 BIC_PRESENT(BIC_GFX_J); 3864 } else { 3865 BIC_PRESENT(BIC_PkgWatt); 3866 BIC_PRESENT(BIC_CorWatt); 3867 BIC_PRESENT(BIC_GFXWatt); 3868 } 3869 break; 3870 case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 3871 case INTEL_FAM6_ATOM_GOLDMONT_PLUS: 3872 do_rapl = RAPL_PKG | RAPL_PKG_POWER_INFO; 3873 if (rapl_joules) 3874 BIC_PRESENT(BIC_Pkg_J); 3875 else 3876 BIC_PRESENT(BIC_PkgWatt); 3877 break; 3878 case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 3879 case INTEL_FAM6_CANNONLAKE_MOBILE: /* CNL */ 3880 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO; 3881 BIC_PRESENT(BIC_PKG__); 3882 BIC_PRESENT(BIC_RAM__); 3883 if (rapl_joules) { 3884 BIC_PRESENT(BIC_Pkg_J); 3885 BIC_PRESENT(BIC_Cor_J); 3886 BIC_PRESENT(BIC_RAM_J); 3887 BIC_PRESENT(BIC_GFX_J); 3888 } else { 3889 BIC_PRESENT(BIC_PkgWatt); 3890 BIC_PRESENT(BIC_CorWatt); 3891 BIC_PRESENT(BIC_RAMWatt); 3892 BIC_PRESENT(BIC_GFXWatt); 3893 } 3894 break; 3895 case INTEL_FAM6_HASWELL_X: /* HSX */ 3896 case INTEL_FAM6_BROADWELL_X: /* BDX */ 3897 case INTEL_FAM6_SKYLAKE_X: /* SKX */ 3898 case INTEL_FAM6_XEON_PHI_KNL: /* KNL */ 3899 do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 3900 BIC_PRESENT(BIC_PKG__); 3901 BIC_PRESENT(BIC_RAM__); 3902 if (rapl_joules) { 3903 BIC_PRESENT(BIC_Pkg_J); 3904 BIC_PRESENT(BIC_RAM_J); 3905 } else { 3906 BIC_PRESENT(BIC_PkgWatt); 3907 BIC_PRESENT(BIC_RAMWatt); 3908 } 3909 break; 3910 case INTEL_FAM6_SANDYBRIDGE_X: 3911 case INTEL_FAM6_IVYBRIDGE_X: 3912 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO; 3913 BIC_PRESENT(BIC_PKG__); 3914 BIC_PRESENT(BIC_RAM__); 3915 if (rapl_joules) { 3916 BIC_PRESENT(BIC_Pkg_J); 3917 BIC_PRESENT(BIC_Cor_J); 3918 BIC_PRESENT(BIC_RAM_J); 3919 } else { 3920 BIC_PRESENT(BIC_PkgWatt); 3921 BIC_PRESENT(BIC_CorWatt); 3922 BIC_PRESENT(BIC_RAMWatt); 3923 } 3924 break; 3925 case INTEL_FAM6_ATOM_SILVERMONT: /* BYT */ 3926 case INTEL_FAM6_ATOM_SILVERMONT_X: /* AVN */ 3927 do_rapl = RAPL_PKG | RAPL_CORES; 3928 if (rapl_joules) { 3929 BIC_PRESENT(BIC_Pkg_J); 3930 BIC_PRESENT(BIC_Cor_J); 3931 } else { 3932 BIC_PRESENT(BIC_PkgWatt); 3933 BIC_PRESENT(BIC_CorWatt); 3934 } 3935 break; 3936 case INTEL_FAM6_ATOM_GOLDMONT_X: /* DNV */ 3937 do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO | RAPL_CORES_ENERGY_STATUS; 3938 BIC_PRESENT(BIC_PKG__); 3939 BIC_PRESENT(BIC_RAM__); 3940 if (rapl_joules) { 3941 BIC_PRESENT(BIC_Pkg_J); 3942 BIC_PRESENT(BIC_Cor_J); 3943 BIC_PRESENT(BIC_RAM_J); 3944 } else { 3945 BIC_PRESENT(BIC_PkgWatt); 3946 BIC_PRESENT(BIC_CorWatt); 3947 BIC_PRESENT(BIC_RAMWatt); 3948 } 3949 break; 3950 default: 3951 return; 3952 } 3953 3954 /* units on package 0, verify later other packages match */ 3955 if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 3956 return; 3957 3958 rapl_power_units = 1.0 / (1 << (msr & 0xF)); 3959 if (model == INTEL_FAM6_ATOM_SILVERMONT) 3960 rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 3961 else 3962 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 3963 3964 rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 3965 3966 time_unit = msr >> 16 & 0xF; 3967 if (time_unit == 0) 3968 time_unit = 0xA; 3969 3970 rapl_time_units = 1.0 / (1 << (time_unit)); 3971 3972 tdp = get_tdp_intel(model); 3973 3974 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 3975 if (!quiet) 3976 fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 3977 } 3978 3979 void rapl_probe_amd(unsigned int family, unsigned int model) 3980 { 3981 unsigned long long msr; 3982 unsigned int eax, ebx, ecx, edx; 3983 unsigned int has_rapl = 0; 3984 double tdp; 3985 3986 if (max_extended_level >= 0x80000007) { 3987 __cpuid(0x80000007, eax, ebx, ecx, edx); 3988 /* RAPL (Fam 17h) */ 3989 has_rapl = edx & (1 << 14); 3990 } 3991 3992 if (!has_rapl) 3993 return; 3994 3995 switch (family) { 3996 case 0x17: /* Zen, Zen+ */ 3997 do_rapl = RAPL_AMD_F17H | RAPL_PER_CORE_ENERGY; 3998 if (rapl_joules) { 3999 BIC_PRESENT(BIC_Pkg_J); 4000 BIC_PRESENT(BIC_Cor_J); 4001 } else { 4002 BIC_PRESENT(BIC_PkgWatt); 4003 BIC_PRESENT(BIC_CorWatt); 4004 } 4005 break; 4006 default: 4007 return; 4008 } 4009 4010 if (get_msr(base_cpu, MSR_RAPL_PWR_UNIT, &msr)) 4011 return; 4012 4013 rapl_time_units = ldexp(1.0, -(msr >> 16 & 0xf)); 4014 rapl_energy_units = ldexp(1.0, -(msr >> 8 & 0x1f)); 4015 rapl_power_units = ldexp(1.0, -(msr & 0xf)); 4016 4017 tdp = get_tdp_amd(model); 4018 4019 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 4020 if (!quiet) 4021 fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 4022 } 4023 4024 /* 4025 * rapl_probe() 4026 * 4027 * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 4028 */ 4029 void rapl_probe(unsigned int family, unsigned int model) 4030 { 4031 if (genuine_intel) 4032 rapl_probe_intel(family, model); 4033 if (authentic_amd) 4034 rapl_probe_amd(family, model); 4035 } 4036 4037 void perf_limit_reasons_probe(unsigned int family, unsigned int model) 4038 { 4039 if (!genuine_intel) 4040 return; 4041 4042 if (family != 6) 4043 return; 4044 4045 switch (model) { 4046 case INTEL_FAM6_HASWELL_CORE: /* HSW */ 4047 case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 4048 do_gfx_perf_limit_reasons = 1; 4049 case INTEL_FAM6_HASWELL_X: /* HSX */ 4050 do_core_perf_limit_reasons = 1; 4051 do_ring_perf_limit_reasons = 1; 4052 default: 4053 return; 4054 } 4055 } 4056 4057 void automatic_cstate_conversion_probe(unsigned int family, unsigned int model) 4058 { 4059 if (is_skx(family, model) || is_bdx(family, model)) 4060 has_automatic_cstate_conversion = 1; 4061 } 4062 4063 int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 4064 { 4065 unsigned long long msr; 4066 unsigned int dts, dts2; 4067 int cpu; 4068 4069 if (!(do_dts || do_ptm)) 4070 return 0; 4071 4072 cpu = t->cpu_id; 4073 4074 /* DTS is per-core, no need to print for each thread */ 4075 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 4076 return 0; 4077 4078 if (cpu_migrate(cpu)) { 4079 fprintf(outf, "Could not migrate to CPU %d\n", cpu); 4080 return -1; 4081 } 4082 4083 if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 4084 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 4085 return 0; 4086 4087 dts = (msr >> 16) & 0x7F; 4088 fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 4089 cpu, msr, tcc_activation_temp - dts); 4090 4091 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 4092 return 0; 4093 4094 dts = (msr >> 16) & 0x7F; 4095 dts2 = (msr >> 8) & 0x7F; 4096 fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 4097 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 4098 } 4099 4100 4101 if (do_dts && debug) { 4102 unsigned int resolution; 4103 4104 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 4105 return 0; 4106 4107 dts = (msr >> 16) & 0x7F; 4108 resolution = (msr >> 27) & 0xF; 4109 fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 4110 cpu, msr, tcc_activation_temp - dts, resolution); 4111 4112 if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 4113 return 0; 4114 4115 dts = (msr >> 16) & 0x7F; 4116 dts2 = (msr >> 8) & 0x7F; 4117 fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 4118 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 4119 } 4120 4121 return 0; 4122 } 4123 4124 void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 4125 { 4126 fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 4127 cpu, label, 4128 ((msr >> 15) & 1) ? "EN" : "DIS", 4129 ((msr >> 0) & 0x7FFF) * rapl_power_units, 4130 (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 4131 (((msr >> 16) & 1) ? "EN" : "DIS")); 4132 4133 return; 4134 } 4135 4136 int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 4137 { 4138 unsigned long long msr; 4139 const char *msr_name; 4140 int cpu; 4141 4142 if (!do_rapl) 4143 return 0; 4144 4145 /* RAPL counters are per package, so print only for 1st thread/package */ 4146 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 4147 return 0; 4148 4149 cpu = t->cpu_id; 4150 if (cpu_migrate(cpu)) { 4151 fprintf(outf, "Could not migrate to CPU %d\n", cpu); 4152 return -1; 4153 } 4154 4155 if (do_rapl & RAPL_AMD_F17H) { 4156 msr_name = "MSR_RAPL_PWR_UNIT"; 4157 if (get_msr(cpu, MSR_RAPL_PWR_UNIT, &msr)) 4158 return -1; 4159 } else { 4160 msr_name = "MSR_RAPL_POWER_UNIT"; 4161 if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 4162 return -1; 4163 } 4164 4165 fprintf(outf, "cpu%d: %s: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr_name, msr, 4166 rapl_power_units, rapl_energy_units, rapl_time_units); 4167 4168 if (do_rapl & RAPL_PKG_POWER_INFO) { 4169 4170 if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 4171 return -5; 4172 4173 4174 fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 4175 cpu, msr, 4176 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 4177 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 4178 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 4179 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 4180 4181 } 4182 if (do_rapl & RAPL_PKG) { 4183 4184 if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 4185 return -9; 4186 4187 fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 4188 cpu, msr, (msr >> 63) & 1 ? "" : "UN"); 4189 4190 print_power_limit_msr(cpu, msr, "PKG Limit #1"); 4191 fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 4192 cpu, 4193 ((msr >> 47) & 1) ? "EN" : "DIS", 4194 ((msr >> 32) & 0x7FFF) * rapl_power_units, 4195 (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 4196 ((msr >> 48) & 1) ? "EN" : "DIS"); 4197 } 4198 4199 if (do_rapl & RAPL_DRAM_POWER_INFO) { 4200 if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 4201 return -6; 4202 4203 fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 4204 cpu, msr, 4205 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 4206 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 4207 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 4208 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 4209 } 4210 if (do_rapl & RAPL_DRAM) { 4211 if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 4212 return -9; 4213 fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 4214 cpu, msr, (msr >> 31) & 1 ? "" : "UN"); 4215 4216 print_power_limit_msr(cpu, msr, "DRAM Limit"); 4217 } 4218 if (do_rapl & RAPL_CORE_POLICY) { 4219 if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 4220 return -7; 4221 4222 fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 4223 } 4224 if (do_rapl & RAPL_CORES_POWER_LIMIT) { 4225 if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 4226 return -9; 4227 fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 4228 cpu, msr, (msr >> 31) & 1 ? "" : "UN"); 4229 print_power_limit_msr(cpu, msr, "Cores Limit"); 4230 } 4231 if (do_rapl & RAPL_GFX) { 4232 if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 4233 return -8; 4234 4235 fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 4236 4237 if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 4238 return -9; 4239 fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 4240 cpu, msr, (msr >> 31) & 1 ? "" : "UN"); 4241 print_power_limit_msr(cpu, msr, "GFX Limit"); 4242 } 4243 return 0; 4244 } 4245 4246 /* 4247 * SNB adds support for additional MSRs: 4248 * 4249 * MSR_PKG_C7_RESIDENCY 0x000003fa 4250 * MSR_CORE_C7_RESIDENCY 0x000003fe 4251 * MSR_PKG_C2_RESIDENCY 0x0000060d 4252 */ 4253 4254 int has_snb_msrs(unsigned int family, unsigned int model) 4255 { 4256 if (!genuine_intel) 4257 return 0; 4258 4259 switch (model) { 4260 case INTEL_FAM6_SANDYBRIDGE: 4261 case INTEL_FAM6_SANDYBRIDGE_X: 4262 case INTEL_FAM6_IVYBRIDGE: /* IVB */ 4263 case INTEL_FAM6_IVYBRIDGE_X: /* IVB Xeon */ 4264 case INTEL_FAM6_HASWELL_CORE: /* HSW */ 4265 case INTEL_FAM6_HASWELL_X: /* HSW */ 4266 case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 4267 case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 4268 case INTEL_FAM6_BROADWELL_GT3E: /* BDW */ 4269 case INTEL_FAM6_BROADWELL_X: /* BDX */ 4270 case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 4271 case INTEL_FAM6_CANNONLAKE_MOBILE: /* CNL */ 4272 case INTEL_FAM6_SKYLAKE_X: /* SKX */ 4273 case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 4274 case INTEL_FAM6_ATOM_GOLDMONT_PLUS: 4275 case INTEL_FAM6_ATOM_GOLDMONT_X: /* DNV */ 4276 return 1; 4277 } 4278 return 0; 4279 } 4280 4281 /* 4282 * HSW adds support for additional MSRs: 4283 * 4284 * MSR_PKG_C8_RESIDENCY 0x00000630 4285 * MSR_PKG_C9_RESIDENCY 0x00000631 4286 * MSR_PKG_C10_RESIDENCY 0x00000632 4287 * 4288 * MSR_PKGC8_IRTL 0x00000633 4289 * MSR_PKGC9_IRTL 0x00000634 4290 * MSR_PKGC10_IRTL 0x00000635 4291 * 4292 */ 4293 int has_hsw_msrs(unsigned int family, unsigned int model) 4294 { 4295 if (!genuine_intel) 4296 return 0; 4297 4298 switch (model) { 4299 case INTEL_FAM6_HASWELL_CORE: 4300 case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 4301 case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 4302 case INTEL_FAM6_CANNONLAKE_MOBILE: /* CNL */ 4303 case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 4304 case INTEL_FAM6_ATOM_GOLDMONT_PLUS: 4305 return 1; 4306 } 4307 return 0; 4308 } 4309 4310 /* 4311 * SKL adds support for additional MSRS: 4312 * 4313 * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 4314 * MSR_PKG_ANY_CORE_C0_RES 0x00000659 4315 * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 4316 * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 4317 */ 4318 int has_skl_msrs(unsigned int family, unsigned int model) 4319 { 4320 if (!genuine_intel) 4321 return 0; 4322 4323 switch (model) { 4324 case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 4325 case INTEL_FAM6_CANNONLAKE_MOBILE: /* CNL */ 4326 return 1; 4327 } 4328 return 0; 4329 } 4330 4331 int is_slm(unsigned int family, unsigned int model) 4332 { 4333 if (!genuine_intel) 4334 return 0; 4335 switch (model) { 4336 case INTEL_FAM6_ATOM_SILVERMONT: /* BYT */ 4337 case INTEL_FAM6_ATOM_SILVERMONT_X: /* AVN */ 4338 return 1; 4339 } 4340 return 0; 4341 } 4342 4343 int is_knl(unsigned int family, unsigned int model) 4344 { 4345 if (!genuine_intel) 4346 return 0; 4347 switch (model) { 4348 case INTEL_FAM6_XEON_PHI_KNL: /* KNL */ 4349 return 1; 4350 } 4351 return 0; 4352 } 4353 4354 int is_cnl(unsigned int family, unsigned int model) 4355 { 4356 if (!genuine_intel) 4357 return 0; 4358 4359 switch (model) { 4360 case INTEL_FAM6_CANNONLAKE_MOBILE: /* CNL */ 4361 return 1; 4362 } 4363 4364 return 0; 4365 } 4366 4367 unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 4368 { 4369 if (is_knl(family, model)) 4370 return 1024; 4371 return 1; 4372 } 4373 4374 #define SLM_BCLK_FREQS 5 4375 double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 4376 4377 double slm_bclk(void) 4378 { 4379 unsigned long long msr = 3; 4380 unsigned int i; 4381 double freq; 4382 4383 if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 4384 fprintf(outf, "SLM BCLK: unknown\n"); 4385 4386 i = msr & 0xf; 4387 if (i >= SLM_BCLK_FREQS) { 4388 fprintf(outf, "SLM BCLK[%d] invalid\n", i); 4389 i = 3; 4390 } 4391 freq = slm_freq_table[i]; 4392 4393 if (!quiet) 4394 fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq); 4395 4396 return freq; 4397 } 4398 4399 double discover_bclk(unsigned int family, unsigned int model) 4400 { 4401 if (has_snb_msrs(family, model) || is_knl(family, model)) 4402 return 100.00; 4403 else if (is_slm(family, model)) 4404 return slm_bclk(); 4405 else 4406 return 133.33; 4407 } 4408 4409 /* 4410 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 4411 * the Thermal Control Circuit (TCC) activates. 4412 * This is usually equal to tjMax. 4413 * 4414 * Older processors do not have this MSR, so there we guess, 4415 * but also allow cmdline over-ride with -T. 4416 * 4417 * Several MSR temperature values are in units of degrees-C 4418 * below this value, including the Digital Thermal Sensor (DTS), 4419 * Package Thermal Management Sensor (PTM), and thermal event thresholds. 4420 */ 4421 int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 4422 { 4423 unsigned long long msr; 4424 unsigned int target_c_local; 4425 int cpu; 4426 4427 /* tcc_activation_temp is used only for dts or ptm */ 4428 if (!(do_dts || do_ptm)) 4429 return 0; 4430 4431 /* this is a per-package concept */ 4432 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 4433 return 0; 4434 4435 cpu = t->cpu_id; 4436 if (cpu_migrate(cpu)) { 4437 fprintf(outf, "Could not migrate to CPU %d\n", cpu); 4438 return -1; 4439 } 4440 4441 if (tcc_activation_temp_override != 0) { 4442 tcc_activation_temp = tcc_activation_temp_override; 4443 fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", 4444 cpu, tcc_activation_temp); 4445 return 0; 4446 } 4447 4448 /* Temperature Target MSR is Nehalem and newer only */ 4449 if (!do_nhm_platform_info) 4450 goto guess; 4451 4452 if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 4453 goto guess; 4454 4455 target_c_local = (msr >> 16) & 0xFF; 4456 4457 if (!quiet) 4458 fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 4459 cpu, msr, target_c_local); 4460 4461 if (!target_c_local) 4462 goto guess; 4463 4464 tcc_activation_temp = target_c_local; 4465 4466 return 0; 4467 4468 guess: 4469 tcc_activation_temp = TJMAX_DEFAULT; 4470 fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 4471 cpu, tcc_activation_temp); 4472 4473 return 0; 4474 } 4475 4476 void decode_feature_control_msr(void) 4477 { 4478 unsigned long long msr; 4479 4480 if (!get_msr(base_cpu, MSR_IA32_FEATURE_CONTROL, &msr)) 4481 fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n", 4482 base_cpu, msr, 4483 msr & FEATURE_CONTROL_LOCKED ? "" : "UN-", 4484 msr & (1 << 18) ? "SGX" : ""); 4485 } 4486 4487 void decode_misc_enable_msr(void) 4488 { 4489 unsigned long long msr; 4490 4491 if (!genuine_intel) 4492 return; 4493 4494 if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 4495 fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%sTCC %sEIST %sMWAIT %sPREFETCH %sTURBO)\n", 4496 base_cpu, msr, 4497 msr & MSR_IA32_MISC_ENABLE_TM1 ? "" : "No-", 4498 msr & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP ? "" : "No-", 4499 msr & MSR_IA32_MISC_ENABLE_MWAIT ? "" : "No-", 4500 msr & MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE ? "No-" : "", 4501 msr & MSR_IA32_MISC_ENABLE_TURBO_DISABLE ? "No-" : ""); 4502 } 4503 4504 void decode_misc_feature_control(void) 4505 { 4506 unsigned long long msr; 4507 4508 if (!has_misc_feature_control) 4509 return; 4510 4511 if (!get_msr(base_cpu, MSR_MISC_FEATURE_CONTROL, &msr)) 4512 fprintf(outf, "cpu%d: MSR_MISC_FEATURE_CONTROL: 0x%08llx (%sL2-Prefetch %sL2-Prefetch-pair %sL1-Prefetch %sL1-IP-Prefetch)\n", 4513 base_cpu, msr, 4514 msr & (0 << 0) ? "No-" : "", 4515 msr & (1 << 0) ? "No-" : "", 4516 msr & (2 << 0) ? "No-" : "", 4517 msr & (3 << 0) ? "No-" : ""); 4518 } 4519 /* 4520 * Decode MSR_MISC_PWR_MGMT 4521 * 4522 * Decode the bits according to the Nehalem documentation 4523 * bit[0] seems to continue to have same meaning going forward 4524 * bit[1] less so... 4525 */ 4526 void decode_misc_pwr_mgmt_msr(void) 4527 { 4528 unsigned long long msr; 4529 4530 if (!do_nhm_platform_info) 4531 return; 4532 4533 if (no_MSR_MISC_PWR_MGMT) 4534 return; 4535 4536 if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 4537 fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB %sable-OOB)\n", 4538 base_cpu, msr, 4539 msr & (1 << 0) ? "DIS" : "EN", 4540 msr & (1 << 1) ? "EN" : "DIS", 4541 msr & (1 << 8) ? "EN" : "DIS"); 4542 } 4543 /* 4544 * Decode MSR_CC6_DEMOTION_POLICY_CONFIG, MSR_MC6_DEMOTION_POLICY_CONFIG 4545 * 4546 * This MSRs are present on Silvermont processors, 4547 * Intel Atom processor E3000 series (Baytrail), and friends. 4548 */ 4549 void decode_c6_demotion_policy_msr(void) 4550 { 4551 unsigned long long msr; 4552 4553 if (!get_msr(base_cpu, MSR_CC6_DEMOTION_POLICY_CONFIG, &msr)) 4554 fprintf(outf, "cpu%d: MSR_CC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-CC6-Demotion)\n", 4555 base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS"); 4556 4557 if (!get_msr(base_cpu, MSR_MC6_DEMOTION_POLICY_CONFIG, &msr)) 4558 fprintf(outf, "cpu%d: MSR_MC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-MC6-Demotion)\n", 4559 base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS"); 4560 } 4561 4562 /* 4563 * When models are the same, for the purpose of turbostat, reuse 4564 */ 4565 unsigned int intel_model_duplicates(unsigned int model) 4566 { 4567 4568 switch(model) { 4569 case INTEL_FAM6_NEHALEM_EP: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 4570 case INTEL_FAM6_NEHALEM: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 4571 case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 4572 case INTEL_FAM6_WESTMERE: /* Westmere Client - Clarkdale, Arrandale */ 4573 case INTEL_FAM6_WESTMERE_EP: /* Westmere EP - Gulftown */ 4574 return INTEL_FAM6_NEHALEM; 4575 4576 case INTEL_FAM6_NEHALEM_EX: /* Nehalem-EX Xeon - Beckton */ 4577 case INTEL_FAM6_WESTMERE_EX: /* Westmere-EX Xeon - Eagleton */ 4578 return INTEL_FAM6_NEHALEM_EX; 4579 4580 case INTEL_FAM6_XEON_PHI_KNM: 4581 return INTEL_FAM6_XEON_PHI_KNL; 4582 4583 case INTEL_FAM6_HASWELL_ULT: 4584 return INTEL_FAM6_HASWELL_CORE; 4585 4586 case INTEL_FAM6_BROADWELL_X: 4587 case INTEL_FAM6_BROADWELL_XEON_D: /* BDX-DE */ 4588 return INTEL_FAM6_BROADWELL_X; 4589 4590 case INTEL_FAM6_SKYLAKE_MOBILE: 4591 case INTEL_FAM6_SKYLAKE_DESKTOP: 4592 case INTEL_FAM6_KABYLAKE_MOBILE: 4593 case INTEL_FAM6_KABYLAKE_DESKTOP: 4594 return INTEL_FAM6_SKYLAKE_MOBILE; 4595 4596 case INTEL_FAM6_ICELAKE_MOBILE: 4597 return INTEL_FAM6_CANNONLAKE_MOBILE; 4598 } 4599 return model; 4600 } 4601 void process_cpuid() 4602 { 4603 unsigned int eax, ebx, ecx, edx; 4604 unsigned int fms, family, model, stepping, ecx_flags, edx_flags; 4605 unsigned int has_turbo; 4606 4607 eax = ebx = ecx = edx = 0; 4608 4609 __cpuid(0, max_level, ebx, ecx, edx); 4610 4611 if (ebx == 0x756e6547 && ecx == 0x6c65746e && edx == 0x49656e69) 4612 genuine_intel = 1; 4613 else if (ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65) 4614 authentic_amd = 1; 4615 4616 if (!quiet) 4617 fprintf(outf, "CPUID(0): %.4s%.4s%.4s ", 4618 (char *)&ebx, (char *)&edx, (char *)&ecx); 4619 4620 __cpuid(1, fms, ebx, ecx, edx); 4621 family = (fms >> 8) & 0xf; 4622 model = (fms >> 4) & 0xf; 4623 stepping = fms & 0xf; 4624 if (family == 0xf) 4625 family += (fms >> 20) & 0xff; 4626 if (family >= 6) 4627 model += ((fms >> 16) & 0xf) << 4; 4628 ecx_flags = ecx; 4629 edx_flags = edx; 4630 4631 /* 4632 * check max extended function levels of CPUID. 4633 * This is needed to check for invariant TSC. 4634 * This check is valid for both Intel and AMD. 4635 */ 4636 ebx = ecx = edx = 0; 4637 __cpuid(0x80000000, max_extended_level, ebx, ecx, edx); 4638 4639 if (!quiet) { 4640 fprintf(outf, "0x%x CPUID levels; 0x%x xlevels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 4641 max_level, max_extended_level, family, model, stepping, family, model, stepping); 4642 fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s %s\n", 4643 ecx_flags & (1 << 0) ? "SSE3" : "-", 4644 ecx_flags & (1 << 3) ? "MONITOR" : "-", 4645 ecx_flags & (1 << 6) ? "SMX" : "-", 4646 ecx_flags & (1 << 7) ? "EIST" : "-", 4647 ecx_flags & (1 << 8) ? "TM2" : "-", 4648 edx_flags & (1 << 4) ? "TSC" : "-", 4649 edx_flags & (1 << 5) ? "MSR" : "-", 4650 edx_flags & (1 << 22) ? "ACPI-TM" : "-", 4651 edx_flags & (1 << 28) ? "HT" : "-", 4652 edx_flags & (1 << 29) ? "TM" : "-"); 4653 } 4654 if (genuine_intel) 4655 model = intel_model_duplicates(model); 4656 4657 if (!(edx_flags & (1 << 5))) 4658 errx(1, "CPUID: no MSR"); 4659 4660 if (max_extended_level >= 0x80000007) { 4661 4662 /* 4663 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 4664 * this check is valid for both Intel and AMD 4665 */ 4666 __cpuid(0x80000007, eax, ebx, ecx, edx); 4667 has_invariant_tsc = edx & (1 << 8); 4668 } 4669 4670 /* 4671 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 4672 * this check is valid for both Intel and AMD 4673 */ 4674 4675 __cpuid(0x6, eax, ebx, ecx, edx); 4676 has_aperf = ecx & (1 << 0); 4677 if (has_aperf) { 4678 BIC_PRESENT(BIC_Avg_MHz); 4679 BIC_PRESENT(BIC_Busy); 4680 BIC_PRESENT(BIC_Bzy_MHz); 4681 } 4682 do_dts = eax & (1 << 0); 4683 if (do_dts) 4684 BIC_PRESENT(BIC_CoreTmp); 4685 has_turbo = eax & (1 << 1); 4686 do_ptm = eax & (1 << 6); 4687 if (do_ptm) 4688 BIC_PRESENT(BIC_PkgTmp); 4689 has_hwp = eax & (1 << 7); 4690 has_hwp_notify = eax & (1 << 8); 4691 has_hwp_activity_window = eax & (1 << 9); 4692 has_hwp_epp = eax & (1 << 10); 4693 has_hwp_pkg = eax & (1 << 11); 4694 has_epb = ecx & (1 << 3); 4695 4696 if (!quiet) 4697 fprintf(outf, "CPUID(6): %sAPERF, %sTURBO, %sDTS, %sPTM, %sHWP, " 4698 "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 4699 has_aperf ? "" : "No-", 4700 has_turbo ? "" : "No-", 4701 do_dts ? "" : "No-", 4702 do_ptm ? "" : "No-", 4703 has_hwp ? "" : "No-", 4704 has_hwp_notify ? "" : "No-", 4705 has_hwp_activity_window ? "" : "No-", 4706 has_hwp_epp ? "" : "No-", 4707 has_hwp_pkg ? "" : "No-", 4708 has_epb ? "" : "No-"); 4709 4710 if (!quiet) 4711 decode_misc_enable_msr(); 4712 4713 4714 if (max_level >= 0x7 && !quiet) { 4715 int has_sgx; 4716 4717 ecx = 0; 4718 4719 __cpuid_count(0x7, 0, eax, ebx, ecx, edx); 4720 4721 has_sgx = ebx & (1 << 2); 4722 fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-"); 4723 4724 if (has_sgx) 4725 decode_feature_control_msr(); 4726 } 4727 4728 if (max_level >= 0x15) { 4729 unsigned int eax_crystal; 4730 unsigned int ebx_tsc; 4731 4732 /* 4733 * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 4734 */ 4735 eax_crystal = ebx_tsc = crystal_hz = edx = 0; 4736 __cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx); 4737 4738 if (ebx_tsc != 0) { 4739 4740 if (!quiet && (ebx != 0)) 4741 fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 4742 eax_crystal, ebx_tsc, crystal_hz); 4743 4744 if (crystal_hz == 0) 4745 switch(model) { 4746 case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 4747 crystal_hz = 24000000; /* 24.0 MHz */ 4748 break; 4749 case INTEL_FAM6_ATOM_GOLDMONT_X: /* DNV */ 4750 crystal_hz = 25000000; /* 25.0 MHz */ 4751 break; 4752 case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 4753 case INTEL_FAM6_ATOM_GOLDMONT_PLUS: 4754 crystal_hz = 19200000; /* 19.2 MHz */ 4755 break; 4756 default: 4757 crystal_hz = 0; 4758 } 4759 4760 if (crystal_hz) { 4761 tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 4762 if (!quiet) 4763 fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 4764 tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 4765 } 4766 } 4767 } 4768 if (max_level >= 0x16) { 4769 unsigned int base_mhz, max_mhz, bus_mhz, edx; 4770 4771 /* 4772 * CPUID 16H Base MHz, Max MHz, Bus MHz 4773 */ 4774 base_mhz = max_mhz = bus_mhz = edx = 0; 4775 4776 __cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx); 4777 if (!quiet) 4778 fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 4779 base_mhz, max_mhz, bus_mhz); 4780 } 4781 4782 if (has_aperf) 4783 aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 4784 4785 BIC_PRESENT(BIC_IRQ); 4786 BIC_PRESENT(BIC_TSC_MHz); 4787 4788 if (probe_nhm_msrs(family, model)) { 4789 do_nhm_platform_info = 1; 4790 BIC_PRESENT(BIC_CPU_c1); 4791 BIC_PRESENT(BIC_CPU_c3); 4792 BIC_PRESENT(BIC_CPU_c6); 4793 BIC_PRESENT(BIC_SMI); 4794 } 4795 do_snb_cstates = has_snb_msrs(family, model); 4796 4797 if (do_snb_cstates) 4798 BIC_PRESENT(BIC_CPU_c7); 4799 4800 do_irtl_snb = has_snb_msrs(family, model); 4801 if (do_snb_cstates && (pkg_cstate_limit >= PCL__2)) 4802 BIC_PRESENT(BIC_Pkgpc2); 4803 if (pkg_cstate_limit >= PCL__3) 4804 BIC_PRESENT(BIC_Pkgpc3); 4805 if (pkg_cstate_limit >= PCL__6) 4806 BIC_PRESENT(BIC_Pkgpc6); 4807 if (do_snb_cstates && (pkg_cstate_limit >= PCL__7)) 4808 BIC_PRESENT(BIC_Pkgpc7); 4809 if (has_slv_msrs(family, model)) { 4810 BIC_NOT_PRESENT(BIC_Pkgpc2); 4811 BIC_NOT_PRESENT(BIC_Pkgpc3); 4812 BIC_PRESENT(BIC_Pkgpc6); 4813 BIC_NOT_PRESENT(BIC_Pkgpc7); 4814 BIC_PRESENT(BIC_Mod_c6); 4815 use_c1_residency_msr = 1; 4816 } 4817 if (is_dnv(family, model)) { 4818 BIC_PRESENT(BIC_CPU_c1); 4819 BIC_NOT_PRESENT(BIC_CPU_c3); 4820 BIC_NOT_PRESENT(BIC_Pkgpc3); 4821 BIC_NOT_PRESENT(BIC_CPU_c7); 4822 BIC_NOT_PRESENT(BIC_Pkgpc7); 4823 use_c1_residency_msr = 1; 4824 } 4825 if (is_skx(family, model)) { 4826 BIC_NOT_PRESENT(BIC_CPU_c3); 4827 BIC_NOT_PRESENT(BIC_Pkgpc3); 4828 BIC_NOT_PRESENT(BIC_CPU_c7); 4829 BIC_NOT_PRESENT(BIC_Pkgpc7); 4830 } 4831 if (is_bdx(family, model)) { 4832 BIC_NOT_PRESENT(BIC_CPU_c7); 4833 BIC_NOT_PRESENT(BIC_Pkgpc7); 4834 } 4835 if (has_hsw_msrs(family, model)) { 4836 BIC_PRESENT(BIC_Pkgpc8); 4837 BIC_PRESENT(BIC_Pkgpc9); 4838 BIC_PRESENT(BIC_Pkgpc10); 4839 } 4840 do_irtl_hsw = has_hsw_msrs(family, model); 4841 if (has_skl_msrs(family, model)) { 4842 BIC_PRESENT(BIC_Totl_c0); 4843 BIC_PRESENT(BIC_Any_c0); 4844 BIC_PRESENT(BIC_GFX_c0); 4845 BIC_PRESENT(BIC_CPUGFX); 4846 } 4847 do_slm_cstates = is_slm(family, model); 4848 do_knl_cstates = is_knl(family, model); 4849 4850 if (do_slm_cstates || do_knl_cstates || is_cnl(family, model)) 4851 BIC_NOT_PRESENT(BIC_CPU_c3); 4852 4853 if (!quiet) 4854 decode_misc_pwr_mgmt_msr(); 4855 4856 if (!quiet && has_slv_msrs(family, model)) 4857 decode_c6_demotion_policy_msr(); 4858 4859 rapl_probe(family, model); 4860 perf_limit_reasons_probe(family, model); 4861 automatic_cstate_conversion_probe(family, model); 4862 4863 if (!quiet) 4864 dump_cstate_pstate_config_info(family, model); 4865 4866 if (!quiet) 4867 dump_sysfs_cstate_config(); 4868 if (!quiet) 4869 dump_sysfs_pstate_config(); 4870 4871 if (has_skl_msrs(family, model)) 4872 calculate_tsc_tweak(); 4873 4874 if (!access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK)) 4875 BIC_PRESENT(BIC_GFX_rc6); 4876 4877 if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK)) 4878 BIC_PRESENT(BIC_GFXMHz); 4879 4880 if (!access("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", R_OK)) 4881 BIC_PRESENT(BIC_CPU_LPI); 4882 else 4883 BIC_NOT_PRESENT(BIC_CPU_LPI); 4884 4885 if (!access("/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us", R_OK)) 4886 BIC_PRESENT(BIC_SYS_LPI); 4887 else 4888 BIC_NOT_PRESENT(BIC_SYS_LPI); 4889 4890 if (!quiet) 4891 decode_misc_feature_control(); 4892 4893 return; 4894 } 4895 4896 /* 4897 * in /dev/cpu/ return success for names that are numbers 4898 * ie. filter out ".", "..", "microcode". 4899 */ 4900 int dir_filter(const struct dirent *dirp) 4901 { 4902 if (isdigit(dirp->d_name[0])) 4903 return 1; 4904 else 4905 return 0; 4906 } 4907 4908 int open_dev_cpu_msr(int dummy1) 4909 { 4910 return 0; 4911 } 4912 4913 void topology_probe() 4914 { 4915 int i; 4916 int max_core_id = 0; 4917 int max_package_id = 0; 4918 int max_die_id = 0; 4919 int max_siblings = 0; 4920 4921 /* Initialize num_cpus, max_cpu_num */ 4922 set_max_cpu_num(); 4923 topo.num_cpus = 0; 4924 for_all_proc_cpus(count_cpus); 4925 if (!summary_only && topo.num_cpus > 1) 4926 BIC_PRESENT(BIC_CPU); 4927 4928 if (debug > 1) 4929 fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 4930 4931 cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 4932 if (cpus == NULL) 4933 err(1, "calloc cpus"); 4934 4935 /* 4936 * Allocate and initialize cpu_present_set 4937 */ 4938 cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 4939 if (cpu_present_set == NULL) 4940 err(3, "CPU_ALLOC"); 4941 cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 4942 CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 4943 for_all_proc_cpus(mark_cpu_present); 4944 4945 /* 4946 * Validate that all cpus in cpu_subset are also in cpu_present_set 4947 */ 4948 for (i = 0; i < CPU_SUBSET_MAXCPUS; ++i) { 4949 if (CPU_ISSET_S(i, cpu_subset_size, cpu_subset)) 4950 if (!CPU_ISSET_S(i, cpu_present_setsize, cpu_present_set)) 4951 err(1, "cpu%d not present", i); 4952 } 4953 4954 /* 4955 * Allocate and initialize cpu_affinity_set 4956 */ 4957 cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 4958 if (cpu_affinity_set == NULL) 4959 err(3, "CPU_ALLOC"); 4960 cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 4961 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 4962 4963 for_all_proc_cpus(init_thread_id); 4964 4965 /* 4966 * For online cpus 4967 * find max_core_id, max_package_id 4968 */ 4969 for (i = 0; i <= topo.max_cpu_num; ++i) { 4970 int siblings; 4971 4972 if (cpu_is_not_present(i)) { 4973 if (debug > 1) 4974 fprintf(outf, "cpu%d NOT PRESENT\n", i); 4975 continue; 4976 } 4977 4978 cpus[i].logical_cpu_id = i; 4979 4980 /* get package information */ 4981 cpus[i].physical_package_id = get_physical_package_id(i); 4982 if (cpus[i].physical_package_id > max_package_id) 4983 max_package_id = cpus[i].physical_package_id; 4984 4985 /* get die information */ 4986 cpus[i].die_id = get_die_id(i); 4987 if (cpus[i].die_id > max_die_id) 4988 max_die_id = cpus[i].die_id; 4989 4990 /* get numa node information */ 4991 cpus[i].physical_node_id = get_physical_node_id(&cpus[i]); 4992 if (cpus[i].physical_node_id > topo.max_node_num) 4993 topo.max_node_num = cpus[i].physical_node_id; 4994 4995 /* get core information */ 4996 cpus[i].physical_core_id = get_core_id(i); 4997 if (cpus[i].physical_core_id > max_core_id) 4998 max_core_id = cpus[i].physical_core_id; 4999 5000 /* get thread information */ 5001 siblings = get_thread_siblings(&cpus[i]); 5002 if (siblings > max_siblings) 5003 max_siblings = siblings; 5004 if (cpus[i].thread_id == 0) 5005 topo.num_cores++; 5006 } 5007 5008 topo.cores_per_node = max_core_id + 1; 5009 if (debug > 1) 5010 fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", 5011 max_core_id, topo.cores_per_node); 5012 if (!summary_only && topo.cores_per_node > 1) 5013 BIC_PRESENT(BIC_Core); 5014 5015 topo.num_die = max_die_id + 1; 5016 if (debug > 1) 5017 fprintf(outf, "max_die_id %d, sizing for %d die\n", 5018 max_die_id, topo.num_die); 5019 if (!summary_only && topo.num_die > 1) 5020 BIC_PRESENT(BIC_Die); 5021 5022 topo.num_packages = max_package_id + 1; 5023 if (debug > 1) 5024 fprintf(outf, "max_package_id %d, sizing for %d packages\n", 5025 max_package_id, topo.num_packages); 5026 if (!summary_only && topo.num_packages > 1) 5027 BIC_PRESENT(BIC_Package); 5028 5029 set_node_data(); 5030 if (debug > 1) 5031 fprintf(outf, "nodes_per_pkg %d\n", topo.nodes_per_pkg); 5032 if (!summary_only && topo.nodes_per_pkg > 1) 5033 BIC_PRESENT(BIC_Node); 5034 5035 topo.threads_per_core = max_siblings; 5036 if (debug > 1) 5037 fprintf(outf, "max_siblings %d\n", max_siblings); 5038 5039 if (debug < 1) 5040 return; 5041 5042 for (i = 0; i <= topo.max_cpu_num; ++i) { 5043 if (cpu_is_not_present(i)) 5044 continue; 5045 fprintf(outf, 5046 "cpu %d pkg %d die %d node %d lnode %d core %d thread %d\n", 5047 i, cpus[i].physical_package_id, cpus[i].die_id, 5048 cpus[i].physical_node_id, 5049 cpus[i].logical_node_id, 5050 cpus[i].physical_core_id, 5051 cpus[i].thread_id); 5052 } 5053 5054 } 5055 5056 void 5057 allocate_counters(struct thread_data **t, struct core_data **c, 5058 struct pkg_data **p) 5059 { 5060 int i; 5061 int num_cores = topo.cores_per_node * topo.nodes_per_pkg * 5062 topo.num_packages; 5063 int num_threads = topo.threads_per_core * num_cores; 5064 5065 *t = calloc(num_threads, sizeof(struct thread_data)); 5066 if (*t == NULL) 5067 goto error; 5068 5069 for (i = 0; i < num_threads; i++) 5070 (*t)[i].cpu_id = -1; 5071 5072 *c = calloc(num_cores, sizeof(struct core_data)); 5073 if (*c == NULL) 5074 goto error; 5075 5076 for (i = 0; i < num_cores; i++) 5077 (*c)[i].core_id = -1; 5078 5079 *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 5080 if (*p == NULL) 5081 goto error; 5082 5083 for (i = 0; i < topo.num_packages; i++) 5084 (*p)[i].package_id = i; 5085 5086 return; 5087 error: 5088 err(1, "calloc counters"); 5089 } 5090 /* 5091 * init_counter() 5092 * 5093 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 5094 */ 5095 void init_counter(struct thread_data *thread_base, struct core_data *core_base, 5096 struct pkg_data *pkg_base, int cpu_id) 5097 { 5098 int pkg_id = cpus[cpu_id].physical_package_id; 5099 int node_id = cpus[cpu_id].logical_node_id; 5100 int core_id = cpus[cpu_id].physical_core_id; 5101 int thread_id = cpus[cpu_id].thread_id; 5102 struct thread_data *t; 5103 struct core_data *c; 5104 struct pkg_data *p; 5105 5106 5107 /* Workaround for systems where physical_node_id==-1 5108 * and logical_node_id==(-1 - topo.num_cpus) 5109 */ 5110 if (node_id < 0) 5111 node_id = 0; 5112 5113 t = GET_THREAD(thread_base, thread_id, core_id, node_id, pkg_id); 5114 c = GET_CORE(core_base, core_id, node_id, pkg_id); 5115 p = GET_PKG(pkg_base, pkg_id); 5116 5117 t->cpu_id = cpu_id; 5118 if (thread_id == 0) { 5119 t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 5120 if (cpu_is_first_core_in_package(cpu_id)) 5121 t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 5122 } 5123 5124 c->core_id = core_id; 5125 p->package_id = pkg_id; 5126 } 5127 5128 5129 int initialize_counters(int cpu_id) 5130 { 5131 init_counter(EVEN_COUNTERS, cpu_id); 5132 init_counter(ODD_COUNTERS, cpu_id); 5133 return 0; 5134 } 5135 5136 void allocate_output_buffer() 5137 { 5138 output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 5139 outp = output_buffer; 5140 if (outp == NULL) 5141 err(-1, "calloc output buffer"); 5142 } 5143 void allocate_fd_percpu(void) 5144 { 5145 fd_percpu = calloc(topo.max_cpu_num + 1, sizeof(int)); 5146 if (fd_percpu == NULL) 5147 err(-1, "calloc fd_percpu"); 5148 } 5149 void allocate_irq_buffers(void) 5150 { 5151 irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int)); 5152 if (irq_column_2_cpu == NULL) 5153 err(-1, "calloc %d", topo.num_cpus); 5154 5155 irqs_per_cpu = calloc(topo.max_cpu_num + 1, sizeof(int)); 5156 if (irqs_per_cpu == NULL) 5157 err(-1, "calloc %d", topo.max_cpu_num + 1); 5158 } 5159 void setup_all_buffers(void) 5160 { 5161 topology_probe(); 5162 allocate_irq_buffers(); 5163 allocate_fd_percpu(); 5164 allocate_counters(&thread_even, &core_even, &package_even); 5165 allocate_counters(&thread_odd, &core_odd, &package_odd); 5166 allocate_output_buffer(); 5167 for_all_proc_cpus(initialize_counters); 5168 } 5169 5170 void set_base_cpu(void) 5171 { 5172 base_cpu = sched_getcpu(); 5173 if (base_cpu < 0) 5174 err(-ENODEV, "No valid cpus found"); 5175 5176 if (debug > 1) 5177 fprintf(outf, "base_cpu = %d\n", base_cpu); 5178 } 5179 5180 void turbostat_init() 5181 { 5182 setup_all_buffers(); 5183 set_base_cpu(); 5184 check_dev_msr(); 5185 check_permissions(); 5186 process_cpuid(); 5187 5188 5189 if (!quiet) 5190 for_all_cpus(print_hwp, ODD_COUNTERS); 5191 5192 if (!quiet) 5193 for_all_cpus(print_epb, ODD_COUNTERS); 5194 5195 if (!quiet) 5196 for_all_cpus(print_perf_limit, ODD_COUNTERS); 5197 5198 if (!quiet) 5199 for_all_cpus(print_rapl, ODD_COUNTERS); 5200 5201 for_all_cpus(set_temperature_target, ODD_COUNTERS); 5202 5203 if (!quiet) 5204 for_all_cpus(print_thermal, ODD_COUNTERS); 5205 5206 if (!quiet && do_irtl_snb) 5207 print_irtl(); 5208 } 5209 5210 int fork_it(char **argv) 5211 { 5212 pid_t child_pid; 5213 int status; 5214 5215 snapshot_proc_sysfs_files(); 5216 status = for_all_cpus(get_counters, EVEN_COUNTERS); 5217 first_counter_read = 0; 5218 if (status) 5219 exit(status); 5220 /* clear affinity side-effect of get_counters() */ 5221 sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 5222 gettimeofday(&tv_even, (struct timezone *)NULL); 5223 5224 child_pid = fork(); 5225 if (!child_pid) { 5226 /* child */ 5227 execvp(argv[0], argv); 5228 err(errno, "exec %s", argv[0]); 5229 } else { 5230 5231 /* parent */ 5232 if (child_pid == -1) 5233 err(1, "fork"); 5234 5235 signal(SIGINT, SIG_IGN); 5236 signal(SIGQUIT, SIG_IGN); 5237 if (waitpid(child_pid, &status, 0) == -1) 5238 err(status, "waitpid"); 5239 5240 if (WIFEXITED(status)) 5241 status = WEXITSTATUS(status); 5242 } 5243 /* 5244 * n.b. fork_it() does not check for errors from for_all_cpus() 5245 * because re-starting is problematic when forking 5246 */ 5247 snapshot_proc_sysfs_files(); 5248 for_all_cpus(get_counters, ODD_COUNTERS); 5249 gettimeofday(&tv_odd, (struct timezone *)NULL); 5250 timersub(&tv_odd, &tv_even, &tv_delta); 5251 if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) 5252 fprintf(outf, "%s: Counter reset detected\n", progname); 5253 else { 5254 compute_average(EVEN_COUNTERS); 5255 format_all_counters(EVEN_COUNTERS); 5256 } 5257 5258 fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 5259 5260 flush_output_stderr(); 5261 5262 return status; 5263 } 5264 5265 int get_and_dump_counters(void) 5266 { 5267 int status; 5268 5269 snapshot_proc_sysfs_files(); 5270 status = for_all_cpus(get_counters, ODD_COUNTERS); 5271 if (status) 5272 return status; 5273 5274 status = for_all_cpus(dump_counters, ODD_COUNTERS); 5275 if (status) 5276 return status; 5277 5278 flush_output_stdout(); 5279 5280 return status; 5281 } 5282 5283 void print_version() { 5284 fprintf(outf, "turbostat version 19.03.20" 5285 " - Len Brown <lenb@kernel.org>\n"); 5286 } 5287 5288 int add_counter(unsigned int msr_num, char *path, char *name, 5289 unsigned int width, enum counter_scope scope, 5290 enum counter_type type, enum counter_format format, int flags) 5291 { 5292 struct msr_counter *msrp; 5293 5294 msrp = calloc(1, sizeof(struct msr_counter)); 5295 if (msrp == NULL) { 5296 perror("calloc"); 5297 exit(1); 5298 } 5299 5300 msrp->msr_num = msr_num; 5301 strncpy(msrp->name, name, NAME_BYTES); 5302 if (path) 5303 strncpy(msrp->path, path, PATH_BYTES); 5304 msrp->width = width; 5305 msrp->type = type; 5306 msrp->format = format; 5307 msrp->flags = flags; 5308 5309 switch (scope) { 5310 5311 case SCOPE_CPU: 5312 msrp->next = sys.tp; 5313 sys.tp = msrp; 5314 sys.added_thread_counters++; 5315 if (sys.added_thread_counters > MAX_ADDED_THREAD_COUNTERS) { 5316 fprintf(stderr, "exceeded max %d added thread counters\n", 5317 MAX_ADDED_COUNTERS); 5318 exit(-1); 5319 } 5320 break; 5321 5322 case SCOPE_CORE: 5323 msrp->next = sys.cp; 5324 sys.cp = msrp; 5325 sys.added_core_counters++; 5326 if (sys.added_core_counters > MAX_ADDED_COUNTERS) { 5327 fprintf(stderr, "exceeded max %d added core counters\n", 5328 MAX_ADDED_COUNTERS); 5329 exit(-1); 5330 } 5331 break; 5332 5333 case SCOPE_PACKAGE: 5334 msrp->next = sys.pp; 5335 sys.pp = msrp; 5336 sys.added_package_counters++; 5337 if (sys.added_package_counters > MAX_ADDED_COUNTERS) { 5338 fprintf(stderr, "exceeded max %d added package counters\n", 5339 MAX_ADDED_COUNTERS); 5340 exit(-1); 5341 } 5342 break; 5343 } 5344 5345 return 0; 5346 } 5347 5348 void parse_add_command(char *add_command) 5349 { 5350 int msr_num = 0; 5351 char *path = NULL; 5352 char name_buffer[NAME_BYTES] = ""; 5353 int width = 64; 5354 int fail = 0; 5355 enum counter_scope scope = SCOPE_CPU; 5356 enum counter_type type = COUNTER_CYCLES; 5357 enum counter_format format = FORMAT_DELTA; 5358 5359 while (add_command) { 5360 5361 if (sscanf(add_command, "msr0x%x", &msr_num) == 1) 5362 goto next; 5363 5364 if (sscanf(add_command, "msr%d", &msr_num) == 1) 5365 goto next; 5366 5367 if (*add_command == '/') { 5368 path = add_command; 5369 goto next; 5370 } 5371 5372 if (sscanf(add_command, "u%d", &width) == 1) { 5373 if ((width == 32) || (width == 64)) 5374 goto next; 5375 width = 64; 5376 } 5377 if (!strncmp(add_command, "cpu", strlen("cpu"))) { 5378 scope = SCOPE_CPU; 5379 goto next; 5380 } 5381 if (!strncmp(add_command, "core", strlen("core"))) { 5382 scope = SCOPE_CORE; 5383 goto next; 5384 } 5385 if (!strncmp(add_command, "package", strlen("package"))) { 5386 scope = SCOPE_PACKAGE; 5387 goto next; 5388 } 5389 if (!strncmp(add_command, "cycles", strlen("cycles"))) { 5390 type = COUNTER_CYCLES; 5391 goto next; 5392 } 5393 if (!strncmp(add_command, "seconds", strlen("seconds"))) { 5394 type = COUNTER_SECONDS; 5395 goto next; 5396 } 5397 if (!strncmp(add_command, "usec", strlen("usec"))) { 5398 type = COUNTER_USEC; 5399 goto next; 5400 } 5401 if (!strncmp(add_command, "raw", strlen("raw"))) { 5402 format = FORMAT_RAW; 5403 goto next; 5404 } 5405 if (!strncmp(add_command, "delta", strlen("delta"))) { 5406 format = FORMAT_DELTA; 5407 goto next; 5408 } 5409 if (!strncmp(add_command, "percent", strlen("percent"))) { 5410 format = FORMAT_PERCENT; 5411 goto next; 5412 } 5413 5414 if (sscanf(add_command, "%18s,%*s", name_buffer) == 1) { /* 18 < NAME_BYTES */ 5415 char *eos; 5416 5417 eos = strchr(name_buffer, ','); 5418 if (eos) 5419 *eos = '\0'; 5420 goto next; 5421 } 5422 5423 next: 5424 add_command = strchr(add_command, ','); 5425 if (add_command) { 5426 *add_command = '\0'; 5427 add_command++; 5428 } 5429 5430 } 5431 if ((msr_num == 0) && (path == NULL)) { 5432 fprintf(stderr, "--add: (msrDDD | msr0xXXX | /path_to_counter ) required\n"); 5433 fail++; 5434 } 5435 5436 /* generate default column header */ 5437 if (*name_buffer == '\0') { 5438 if (width == 32) 5439 sprintf(name_buffer, "M0x%x%s", msr_num, format == FORMAT_PERCENT ? "%" : ""); 5440 else 5441 sprintf(name_buffer, "M0X%x%s", msr_num, format == FORMAT_PERCENT ? "%" : ""); 5442 } 5443 5444 if (add_counter(msr_num, path, name_buffer, width, scope, type, format, 0)) 5445 fail++; 5446 5447 if (fail) { 5448 help(); 5449 exit(1); 5450 } 5451 } 5452 5453 int is_deferred_skip(char *name) 5454 { 5455 int i; 5456 5457 for (i = 0; i < deferred_skip_index; ++i) 5458 if (!strcmp(name, deferred_skip_names[i])) 5459 return 1; 5460 return 0; 5461 } 5462 5463 void probe_sysfs(void) 5464 { 5465 char path[64]; 5466 char name_buf[16]; 5467 FILE *input; 5468 int state; 5469 char *sp; 5470 5471 if (!DO_BIC(BIC_sysfs)) 5472 return; 5473 5474 for (state = 10; state >= 0; --state) { 5475 5476 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", 5477 base_cpu, state); 5478 input = fopen(path, "r"); 5479 if (input == NULL) 5480 continue; 5481 if (!fgets(name_buf, sizeof(name_buf), input)) 5482 err(1, "%s: failed to read file", path); 5483 5484 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */ 5485 sp = strchr(name_buf, '-'); 5486 if (!sp) 5487 sp = strchrnul(name_buf, '\n'); 5488 *sp = '%'; 5489 *(sp + 1) = '\0'; 5490 5491 fclose(input); 5492 5493 sprintf(path, "cpuidle/state%d/time", state); 5494 5495 if (is_deferred_skip(name_buf)) 5496 continue; 5497 5498 add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_USEC, 5499 FORMAT_PERCENT, SYSFS_PERCPU); 5500 } 5501 5502 for (state = 10; state >= 0; --state) { 5503 5504 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", 5505 base_cpu, state); 5506 input = fopen(path, "r"); 5507 if (input == NULL) 5508 continue; 5509 if (!fgets(name_buf, sizeof(name_buf), input)) 5510 err(1, "%s: failed to read file", path); 5511 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */ 5512 sp = strchr(name_buf, '-'); 5513 if (!sp) 5514 sp = strchrnul(name_buf, '\n'); 5515 *sp = '\0'; 5516 fclose(input); 5517 5518 sprintf(path, "cpuidle/state%d/usage", state); 5519 5520 if (is_deferred_skip(name_buf)) 5521 continue; 5522 5523 add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_ITEMS, 5524 FORMAT_DELTA, SYSFS_PERCPU); 5525 } 5526 5527 } 5528 5529 5530 /* 5531 * parse cpuset with following syntax 5532 * 1,2,4..6,8-10 and set bits in cpu_subset 5533 */ 5534 void parse_cpu_command(char *optarg) 5535 { 5536 unsigned int start, end; 5537 char *next; 5538 5539 if (!strcmp(optarg, "core")) { 5540 if (cpu_subset) 5541 goto error; 5542 show_core_only++; 5543 return; 5544 } 5545 if (!strcmp(optarg, "package")) { 5546 if (cpu_subset) 5547 goto error; 5548 show_pkg_only++; 5549 return; 5550 } 5551 if (show_core_only || show_pkg_only) 5552 goto error; 5553 5554 cpu_subset = CPU_ALLOC(CPU_SUBSET_MAXCPUS); 5555 if (cpu_subset == NULL) 5556 err(3, "CPU_ALLOC"); 5557 cpu_subset_size = CPU_ALLOC_SIZE(CPU_SUBSET_MAXCPUS); 5558 5559 CPU_ZERO_S(cpu_subset_size, cpu_subset); 5560 5561 next = optarg; 5562 5563 while (next && *next) { 5564 5565 if (*next == '-') /* no negative cpu numbers */ 5566 goto error; 5567 5568 start = strtoul(next, &next, 10); 5569 5570 if (start >= CPU_SUBSET_MAXCPUS) 5571 goto error; 5572 CPU_SET_S(start, cpu_subset_size, cpu_subset); 5573 5574 if (*next == '\0') 5575 break; 5576 5577 if (*next == ',') { 5578 next += 1; 5579 continue; 5580 } 5581 5582 if (*next == '-') { 5583 next += 1; /* start range */ 5584 } else if (*next == '.') { 5585 next += 1; 5586 if (*next == '.') 5587 next += 1; /* start range */ 5588 else 5589 goto error; 5590 } 5591 5592 end = strtoul(next, &next, 10); 5593 if (end <= start) 5594 goto error; 5595 5596 while (++start <= end) { 5597 if (start >= CPU_SUBSET_MAXCPUS) 5598 goto error; 5599 CPU_SET_S(start, cpu_subset_size, cpu_subset); 5600 } 5601 5602 if (*next == ',') 5603 next += 1; 5604 else if (*next != '\0') 5605 goto error; 5606 } 5607 5608 return; 5609 5610 error: 5611 fprintf(stderr, "\"--cpu %s\" malformed\n", optarg); 5612 help(); 5613 exit(-1); 5614 } 5615 5616 5617 void cmdline(int argc, char **argv) 5618 { 5619 int opt; 5620 int option_index = 0; 5621 static struct option long_options[] = { 5622 {"add", required_argument, 0, 'a'}, 5623 {"cpu", required_argument, 0, 'c'}, 5624 {"Dump", no_argument, 0, 'D'}, 5625 {"debug", no_argument, 0, 'd'}, /* internal, not documented */ 5626 {"enable", required_argument, 0, 'e'}, 5627 {"interval", required_argument, 0, 'i'}, 5628 {"num_iterations", required_argument, 0, 'n'}, 5629 {"help", no_argument, 0, 'h'}, 5630 {"hide", required_argument, 0, 'H'}, // meh, -h taken by --help 5631 {"Joules", no_argument, 0, 'J'}, 5632 {"list", no_argument, 0, 'l'}, 5633 {"out", required_argument, 0, 'o'}, 5634 {"quiet", no_argument, 0, 'q'}, 5635 {"show", required_argument, 0, 's'}, 5636 {"Summary", no_argument, 0, 'S'}, 5637 {"TCC", required_argument, 0, 'T'}, 5638 {"version", no_argument, 0, 'v' }, 5639 {0, 0, 0, 0 } 5640 }; 5641 5642 progname = argv[0]; 5643 5644 while ((opt = getopt_long_only(argc, argv, "+C:c:Dde:hi:Jn:o:qST:v", 5645 long_options, &option_index)) != -1) { 5646 switch (opt) { 5647 case 'a': 5648 parse_add_command(optarg); 5649 break; 5650 case 'c': 5651 parse_cpu_command(optarg); 5652 break; 5653 case 'D': 5654 dump_only++; 5655 break; 5656 case 'e': 5657 /* --enable specified counter */ 5658 bic_enabled = bic_enabled | bic_lookup(optarg, SHOW_LIST); 5659 break; 5660 case 'd': 5661 debug++; 5662 ENABLE_BIC(BIC_DISABLED_BY_DEFAULT); 5663 break; 5664 case 'H': 5665 /* 5666 * --hide: do not show those specified 5667 * multiple invocations simply clear more bits in enabled mask 5668 */ 5669 bic_enabled &= ~bic_lookup(optarg, HIDE_LIST); 5670 break; 5671 case 'h': 5672 default: 5673 help(); 5674 exit(1); 5675 case 'i': 5676 { 5677 double interval = strtod(optarg, NULL); 5678 5679 if (interval < 0.001) { 5680 fprintf(outf, "interval %f seconds is too small\n", 5681 interval); 5682 exit(2); 5683 } 5684 5685 interval_tv.tv_sec = interval_ts.tv_sec = interval; 5686 interval_tv.tv_usec = (interval - interval_tv.tv_sec) * 1000000; 5687 interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 5688 } 5689 break; 5690 case 'J': 5691 rapl_joules++; 5692 break; 5693 case 'l': 5694 ENABLE_BIC(BIC_DISABLED_BY_DEFAULT); 5695 list_header_only++; 5696 quiet++; 5697 break; 5698 case 'o': 5699 outf = fopen_or_die(optarg, "w"); 5700 break; 5701 case 'q': 5702 quiet = 1; 5703 break; 5704 case 'n': 5705 num_iterations = strtod(optarg, NULL); 5706 5707 if (num_iterations <= 0) { 5708 fprintf(outf, "iterations %d should be positive number\n", 5709 num_iterations); 5710 exit(2); 5711 } 5712 break; 5713 case 's': 5714 /* 5715 * --show: show only those specified 5716 * The 1st invocation will clear and replace the enabled mask 5717 * subsequent invocations can add to it. 5718 */ 5719 if (shown == 0) 5720 bic_enabled = bic_lookup(optarg, SHOW_LIST); 5721 else 5722 bic_enabled |= bic_lookup(optarg, SHOW_LIST); 5723 shown = 1; 5724 break; 5725 case 'S': 5726 summary_only++; 5727 break; 5728 case 'T': 5729 tcc_activation_temp_override = atoi(optarg); 5730 break; 5731 case 'v': 5732 print_version(); 5733 exit(0); 5734 break; 5735 } 5736 } 5737 } 5738 5739 int main(int argc, char **argv) 5740 { 5741 outf = stderr; 5742 cmdline(argc, argv); 5743 5744 if (!quiet) 5745 print_version(); 5746 5747 probe_sysfs(); 5748 5749 turbostat_init(); 5750 5751 /* dump counters and exit */ 5752 if (dump_only) 5753 return get_and_dump_counters(); 5754 5755 /* list header and exit */ 5756 if (list_header_only) { 5757 print_header(","); 5758 flush_output_stdout(); 5759 return 0; 5760 } 5761 5762 /* 5763 * if any params left, it must be a command to fork 5764 */ 5765 if (argc - optind) 5766 return fork_it(argv + optind); 5767 else 5768 turbostat_loop(); 5769 5770 return 0; 5771 } 5772