xref: /linux/tools/perf/builtin-script.c (revision ec714e371f22f716a04e6ecb2a24988c92b26911)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "builtin.h"
3 
4 #include "util/counts.h"
5 #include "util/debug.h"
6 #include "util/dso.h"
7 #include <subcmd/exec-cmd.h>
8 #include "util/header.h"
9 #include <subcmd/parse-options.h>
10 #include "util/perf_regs.h"
11 #include "util/session.h"
12 #include "util/tool.h"
13 #include "util/map.h"
14 #include "util/srcline.h"
15 #include "util/symbol.h"
16 #include "util/thread.h"
17 #include "util/trace-event.h"
18 #include "util/env.h"
19 #include "util/evlist.h"
20 #include "util/evsel.h"
21 #include "util/evsel_fprintf.h"
22 #include "util/evswitch.h"
23 #include "util/sort.h"
24 #include "util/data.h"
25 #include "util/auxtrace.h"
26 #include "util/cpumap.h"
27 #include "util/thread_map.h"
28 #include "util/stat.h"
29 #include "util/color.h"
30 #include "util/string2.h"
31 #include "util/thread-stack.h"
32 #include "util/time-utils.h"
33 #include "util/path.h"
34 #include "util/event.h"
35 #include "util/mem-info.h"
36 #include "ui/ui.h"
37 #include "print_binary.h"
38 #include "print_insn.h"
39 #include "archinsn.h"
40 #include <linux/bitmap.h>
41 #include <linux/compiler.h>
42 #include <linux/kernel.h>
43 #include <linux/stringify.h>
44 #include <linux/time64.h>
45 #include <linux/zalloc.h>
46 #include <linux/unaligned.h>
47 #include <sys/utsname.h>
48 #include "asm/bug.h"
49 #include "util/mem-events.h"
50 #include "util/dump-insn.h"
51 #include <dirent.h>
52 #include <errno.h>
53 #include <inttypes.h>
54 #include <signal.h>
55 #include <stdio.h>
56 #include <sys/param.h>
57 #include <sys/types.h>
58 #include <sys/stat.h>
59 #include <fcntl.h>
60 #include <unistd.h>
61 #include <subcmd/pager.h>
62 #include <perf/evlist.h>
63 #include <linux/err.h>
64 #include "util/dlfilter.h"
65 #include "util/record.h"
66 #include "util/util.h"
67 #include "util/cgroup.h"
68 #include "util/annotate.h"
69 #include "perf.h"
70 
71 #include <linux/ctype.h>
72 #ifdef HAVE_LIBTRACEEVENT
73 #include <event-parse.h>
74 #endif
75 
76 static char const		*script_name;
77 static char const		*generate_script_lang;
78 static bool			reltime;
79 static bool			deltatime;
80 static u64			initial_time;
81 static u64			previous_time;
82 static bool			debug_mode;
83 static u64			last_timestamp;
84 static u64			nr_unordered;
85 static bool			no_callchain;
86 static bool			latency_format;
87 static bool			system_wide;
88 static bool			print_flags;
89 static const char		*cpu_list;
90 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
91 static int			max_blocks;
92 static bool			native_arch;
93 static struct dlfilter		*dlfilter;
94 static int			dlargc;
95 static char			**dlargv;
96 
97 enum perf_output_field {
98 	PERF_OUTPUT_COMM            = 1ULL << 0,
99 	PERF_OUTPUT_TID             = 1ULL << 1,
100 	PERF_OUTPUT_PID             = 1ULL << 2,
101 	PERF_OUTPUT_TIME            = 1ULL << 3,
102 	PERF_OUTPUT_CPU             = 1ULL << 4,
103 	PERF_OUTPUT_EVNAME          = 1ULL << 5,
104 	PERF_OUTPUT_TRACE           = 1ULL << 6,
105 	PERF_OUTPUT_IP              = 1ULL << 7,
106 	PERF_OUTPUT_SYM             = 1ULL << 8,
107 	PERF_OUTPUT_DSO             = 1ULL << 9,
108 	PERF_OUTPUT_ADDR            = 1ULL << 10,
109 	PERF_OUTPUT_SYMOFFSET       = 1ULL << 11,
110 	PERF_OUTPUT_SRCLINE         = 1ULL << 12,
111 	PERF_OUTPUT_PERIOD          = 1ULL << 13,
112 	PERF_OUTPUT_IREGS	    = 1ULL << 14,
113 	PERF_OUTPUT_BRSTACK	    = 1ULL << 15,
114 	PERF_OUTPUT_BRSTACKSYM	    = 1ULL << 16,
115 	PERF_OUTPUT_DATA_SRC	    = 1ULL << 17,
116 	PERF_OUTPUT_WEIGHT	    = 1ULL << 18,
117 	PERF_OUTPUT_BPF_OUTPUT	    = 1ULL << 19,
118 	PERF_OUTPUT_CALLINDENT	    = 1ULL << 20,
119 	PERF_OUTPUT_INSN	    = 1ULL << 21,
120 	PERF_OUTPUT_INSNLEN	    = 1ULL << 22,
121 	PERF_OUTPUT_BRSTACKINSN	    = 1ULL << 23,
122 	PERF_OUTPUT_BRSTACKOFF	    = 1ULL << 24,
123 	PERF_OUTPUT_SYNTH           = 1ULL << 25,
124 	PERF_OUTPUT_PHYS_ADDR       = 1ULL << 26,
125 	PERF_OUTPUT_UREGS	    = 1ULL << 27,
126 	PERF_OUTPUT_METRIC	    = 1ULL << 28,
127 	PERF_OUTPUT_MISC            = 1ULL << 29,
128 	PERF_OUTPUT_SRCCODE	    = 1ULL << 30,
129 	PERF_OUTPUT_IPC             = 1ULL << 31,
130 	PERF_OUTPUT_TOD             = 1ULL << 32,
131 	PERF_OUTPUT_DATA_PAGE_SIZE  = 1ULL << 33,
132 	PERF_OUTPUT_CODE_PAGE_SIZE  = 1ULL << 34,
133 	PERF_OUTPUT_INS_LAT         = 1ULL << 35,
134 	PERF_OUTPUT_BRSTACKINSNLEN  = 1ULL << 36,
135 	PERF_OUTPUT_MACHINE_PID     = 1ULL << 37,
136 	PERF_OUTPUT_VCPU            = 1ULL << 38,
137 	PERF_OUTPUT_CGROUP          = 1ULL << 39,
138 	PERF_OUTPUT_RETIRE_LAT      = 1ULL << 40,
139 	PERF_OUTPUT_DSOFF           = 1ULL << 41,
140 	PERF_OUTPUT_DISASM          = 1ULL << 42,
141 	PERF_OUTPUT_BRSTACKDISASM   = 1ULL << 43,
142 	PERF_OUTPUT_BRCNTR          = 1ULL << 44,
143 };
144 
145 struct perf_script {
146 	struct perf_tool	tool;
147 	struct perf_session	*session;
148 	bool			show_task_events;
149 	bool			show_mmap_events;
150 	bool			show_switch_events;
151 	bool			show_namespace_events;
152 	bool			show_lost_events;
153 	bool			show_round_events;
154 	bool			show_bpf_events;
155 	bool			show_cgroup_events;
156 	bool			show_text_poke_events;
157 	bool			allocated;
158 	bool			per_event_dump;
159 	bool			stitch_lbr;
160 	struct evswitch		evswitch;
161 	struct perf_cpu_map	*cpus;
162 	struct perf_thread_map *threads;
163 	int			name_width;
164 	const char              *time_str;
165 	struct perf_time_interval *ptime_range;
166 	int			range_size;
167 	int			range_num;
168 };
169 
170 struct output_option {
171 	const char *str;
172 	enum perf_output_field field;
173 } all_output_options[] = {
174 	{.str = "comm",  .field = PERF_OUTPUT_COMM},
175 	{.str = "tid",   .field = PERF_OUTPUT_TID},
176 	{.str = "pid",   .field = PERF_OUTPUT_PID},
177 	{.str = "time",  .field = PERF_OUTPUT_TIME},
178 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
179 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
180 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
181 	{.str = "ip",    .field = PERF_OUTPUT_IP},
182 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
183 	{.str = "dso",   .field = PERF_OUTPUT_DSO},
184 	{.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
185 	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
186 	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
187 	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
188 	{.str = "period", .field = PERF_OUTPUT_PERIOD},
189 	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
190 	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
191 	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
192 	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
193 	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
194 	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
195 	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
196 	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
197 	{.str = "insn", .field = PERF_OUTPUT_INSN},
198 	{.str = "disasm", .field = PERF_OUTPUT_DISASM},
199 	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
200 	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
201 	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
202 	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
203 	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
204 	{.str = "metric", .field = PERF_OUTPUT_METRIC},
205 	{.str = "misc", .field = PERF_OUTPUT_MISC},
206 	{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
207 	{.str = "ipc", .field = PERF_OUTPUT_IPC},
208 	{.str = "tod", .field = PERF_OUTPUT_TOD},
209 	{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
210 	{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
211 	{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
212 	{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
213 	{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
214 	{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
215 	{.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
216 	{.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
217 	{.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM},
218 	{.str = "brcntr", .field = PERF_OUTPUT_BRCNTR},
219 };
220 
221 enum {
222 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
223 	OUTPUT_TYPE_OTHER,
224 	OUTPUT_TYPE_MAX
225 };
226 
227 // We need to refactor the evsel->priv use in 'perf script' to allow for
228 // using that area, that is being used only in some cases.
229 #define OUTPUT_TYPE_UNSET -1
230 
231 /* default set to maintain compatibility with current format */
232 static struct {
233 	bool user_set;
234 	bool wildcard_set;
235 	unsigned int print_ip_opts;
236 	u64 fields;
237 	u64 invalid_fields;
238 	u64 user_set_fields;
239 	u64 user_unset_fields;
240 } output[OUTPUT_TYPE_MAX] = {
241 
242 	[PERF_TYPE_HARDWARE] = {
243 		.user_set = false,
244 
245 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
246 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
247 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
248 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
249 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
250 
251 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
252 	},
253 
254 	[PERF_TYPE_SOFTWARE] = {
255 		.user_set = false,
256 
257 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
258 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
259 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
260 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
261 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
262 			      PERF_OUTPUT_BPF_OUTPUT,
263 
264 		.invalid_fields = PERF_OUTPUT_TRACE,
265 	},
266 
267 	[PERF_TYPE_TRACEPOINT] = {
268 		.user_set = false,
269 
270 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
271 				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
272 				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
273 	},
274 
275 	[PERF_TYPE_HW_CACHE] = {
276 		.user_set = false,
277 
278 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
279 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
280 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
281 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
282 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
283 
284 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
285 	},
286 
287 	[PERF_TYPE_RAW] = {
288 		.user_set = false,
289 
290 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
291 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
292 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
293 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
294 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
295 			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
296 			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
297 			      PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
298 			      PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
299 
300 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
301 	},
302 
303 	[PERF_TYPE_BREAKPOINT] = {
304 		.user_set = false,
305 
306 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
307 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
308 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
309 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
310 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
311 
312 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
313 	},
314 
315 	[OUTPUT_TYPE_SYNTH] = {
316 		.user_set = false,
317 
318 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
319 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
320 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
321 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
322 			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
323 
324 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
325 	},
326 
327 	[OUTPUT_TYPE_OTHER] = {
328 		.user_set = false,
329 
330 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
331 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
332 			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
333 			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
334 			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
335 
336 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
337 	},
338 };
339 
340 struct evsel_script {
341        char *filename;
342        FILE *fp;
343        u64  samples;
344        /* For metric output */
345        u64  val;
346        int  gnum;
347 };
348 
evsel_script(struct evsel * evsel)349 static inline struct evsel_script *evsel_script(struct evsel *evsel)
350 {
351 	return (struct evsel_script *)evsel->priv;
352 }
353 
evsel_script__new(struct evsel * evsel,struct perf_data * data)354 static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
355 {
356 	struct evsel_script *es = zalloc(sizeof(*es));
357 
358 	if (es != NULL) {
359 		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
360 			goto out_free;
361 		es->fp = fopen(es->filename, "w");
362 		if (es->fp == NULL)
363 			goto out_free_filename;
364 	}
365 
366 	return es;
367 out_free_filename:
368 	zfree(&es->filename);
369 out_free:
370 	free(es);
371 	return NULL;
372 }
373 
evsel_script__delete(struct evsel_script * es)374 static void evsel_script__delete(struct evsel_script *es)
375 {
376 	zfree(&es->filename);
377 	fclose(es->fp);
378 	es->fp = NULL;
379 	free(es);
380 }
381 
evsel_script__fprintf(struct evsel_script * es,FILE * fp)382 static int evsel_script__fprintf(struct evsel_script *es, FILE *fp)
383 {
384 	struct stat st;
385 
386 	fstat(fileno(es->fp), &st);
387 	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
388 		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
389 }
390 
output_type(unsigned int type)391 static inline int output_type(unsigned int type)
392 {
393 	switch (type) {
394 	case PERF_TYPE_SYNTH:
395 		return OUTPUT_TYPE_SYNTH;
396 	default:
397 		if (type < PERF_TYPE_MAX)
398 			return type;
399 	}
400 
401 	return OUTPUT_TYPE_OTHER;
402 }
403 
evsel__output_type(struct evsel * evsel)404 static inline int evsel__output_type(struct evsel *evsel)
405 {
406 	int type = evsel->script_output_type;
407 
408 	if (type == OUTPUT_TYPE_UNSET) {
409 		type = output_type(evsel->core.attr.type);
410 		if (type == OUTPUT_TYPE_OTHER) {
411 			struct perf_pmu *pmu = evsel__find_pmu(evsel);
412 
413 			if (pmu && pmu->is_core)
414 				type = PERF_TYPE_RAW;
415 		}
416 		evsel->script_output_type = type;
417 	}
418 
419 	return type;
420 }
421 
output_set_by_user(void)422 static bool output_set_by_user(void)
423 {
424 	int j;
425 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
426 		if (output[j].user_set)
427 			return true;
428 	}
429 	return false;
430 }
431 
output_field2str(enum perf_output_field field)432 static const char *output_field2str(enum perf_output_field field)
433 {
434 	int i, imax = ARRAY_SIZE(all_output_options);
435 	const char *str = "";
436 
437 	for (i = 0; i < imax; ++i) {
438 		if (all_output_options[i].field == field) {
439 			str = all_output_options[i].str;
440 			break;
441 		}
442 	}
443 	return str;
444 }
445 
446 #define PRINT_FIELD(x)  (output[evsel__output_type(evsel)].fields & PERF_OUTPUT_##x)
447 
evsel__do_check_stype(struct evsel * evsel,u64 sample_type,const char * sample_msg,enum perf_output_field field,bool allow_user_set)448 static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
449 				 enum perf_output_field field, bool allow_user_set)
450 {
451 	struct perf_event_attr *attr = &evsel->core.attr;
452 	int type = evsel__output_type(evsel);
453 	const char *evname;
454 
455 	if (attr->sample_type & sample_type)
456 		return 0;
457 
458 	if (output[type].user_set_fields & field) {
459 		if (allow_user_set)
460 			return 0;
461 		evname = evsel__name(evsel);
462 		pr_err("Samples for '%s' event do not have %s attribute set. "
463 		       "Cannot print '%s' field.\n",
464 		       evname, sample_msg, output_field2str(field));
465 		return -1;
466 	}
467 
468 	/* user did not ask for it explicitly so remove from the default list */
469 	output[type].fields &= ~field;
470 	evname = evsel__name(evsel);
471 	pr_debug("Samples for '%s' event do not have %s attribute set. "
472 		 "Skipping '%s' field.\n",
473 		 evname, sample_msg, output_field2str(field));
474 
475 	return 0;
476 }
477 
evsel__check_stype(struct evsel * evsel,u64 sample_type,const char * sample_msg,enum perf_output_field field)478 static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
479 			      enum perf_output_field field)
480 {
481 	return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
482 }
483 
evsel__check_attr(struct evsel * evsel,struct perf_session * session)484 static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
485 {
486 	bool allow_user_set;
487 
488 	if (evsel__is_dummy_event(evsel))
489 		return 0;
490 
491 	if (perf_header__has_feat(&session->header, HEADER_STAT))
492 		return 0;
493 
494 	allow_user_set = perf_header__has_feat(&session->header,
495 					       HEADER_AUXTRACE);
496 
497 	if (PRINT_FIELD(TRACE) &&
498 	    !perf_session__has_traces(session, "record -R"))
499 		return -EINVAL;
500 
501 	if (PRINT_FIELD(IP)) {
502 		if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
503 			return -EINVAL;
504 	}
505 
506 	if (PRINT_FIELD(ADDR) &&
507 	    evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
508 		return -EINVAL;
509 
510 	if (PRINT_FIELD(DATA_SRC) &&
511 	    evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
512 		return -EINVAL;
513 
514 	if (PRINT_FIELD(WEIGHT) &&
515 	    evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
516 		return -EINVAL;
517 
518 	if (PRINT_FIELD(SYM) &&
519 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
520 		pr_err("Display of symbols requested but neither sample IP nor "
521 			   "sample address\navailable. Hence, no addresses to convert "
522 		       "to symbols.\n");
523 		return -EINVAL;
524 	}
525 	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
526 		pr_err("Display of offsets requested but symbol is not"
527 		       "selected.\n");
528 		return -EINVAL;
529 	}
530 	if (PRINT_FIELD(DSO) &&
531 	    !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
532 		pr_err("Display of DSO requested but no address to convert.\n");
533 		return -EINVAL;
534 	}
535 	if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
536 		pr_err("Display of source line number requested but sample IP is not\n"
537 		       "selected. Hence, no address to lookup the source line number.\n");
538 		return -EINVAL;
539 	}
540 	if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
541 	    && !allow_user_set &&
542 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) {
543 		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
544 		       "Hint: run 'perf record -b ...'\n");
545 		return -EINVAL;
546 	}
547 	if (PRINT_FIELD(BRCNTR) &&
548 	    !(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_COUNTERS)) {
549 		pr_err("Display of branch counter requested but it's not enabled\n"
550 		       "Hint: run 'perf record -j any,counter ...'\n");
551 		return -EINVAL;
552 	}
553 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
554 	    evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
555 		return -EINVAL;
556 
557 	if (PRINT_FIELD(TIME) &&
558 	    evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
559 		return -EINVAL;
560 
561 	if (PRINT_FIELD(CPU) &&
562 	    evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
563 		return -EINVAL;
564 
565 	if (PRINT_FIELD(IREGS) &&
566 	    evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
567 		return -EINVAL;
568 
569 	if (PRINT_FIELD(UREGS) &&
570 	    evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
571 		return -EINVAL;
572 
573 	if (PRINT_FIELD(PHYS_ADDR) &&
574 	    evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
575 		return -EINVAL;
576 
577 	if (PRINT_FIELD(DATA_PAGE_SIZE) &&
578 	    evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
579 		return -EINVAL;
580 
581 	if (PRINT_FIELD(CODE_PAGE_SIZE) &&
582 	    evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
583 		return -EINVAL;
584 
585 	if (PRINT_FIELD(INS_LAT) &&
586 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
587 		return -EINVAL;
588 
589 	if (PRINT_FIELD(CGROUP) &&
590 	    evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
591 		pr_err("Hint: run 'perf record --all-cgroups ...'\n");
592 		return -EINVAL;
593 	}
594 
595 	if (PRINT_FIELD(RETIRE_LAT) &&
596 	    evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
597 		return -EINVAL;
598 
599 	return 0;
600 }
601 
evsel__set_print_ip_opts(struct evsel * evsel)602 static void evsel__set_print_ip_opts(struct evsel *evsel)
603 {
604 	unsigned int type = evsel__output_type(evsel);
605 
606 	output[type].print_ip_opts = 0;
607 	if (PRINT_FIELD(IP))
608 		output[type].print_ip_opts |= EVSEL__PRINT_IP;
609 
610 	if (PRINT_FIELD(SYM))
611 		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
612 
613 	if (PRINT_FIELD(DSO))
614 		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
615 
616 	if (PRINT_FIELD(DSOFF))
617 		output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
618 
619 	if (PRINT_FIELD(SYMOFFSET))
620 		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
621 
622 	if (PRINT_FIELD(SRCLINE))
623 		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
624 }
625 
find_first_output_type(struct evlist * evlist,unsigned int type)626 static struct evsel *find_first_output_type(struct evlist *evlist,
627 					    unsigned int type)
628 {
629 	struct evsel *evsel;
630 
631 	evlist__for_each_entry(evlist, evsel) {
632 		if (evsel__is_dummy_event(evsel))
633 			continue;
634 		if (evsel__output_type(evsel) == (int)type)
635 			return evsel;
636 	}
637 	return NULL;
638 }
639 
640 /*
641  * verify all user requested events exist and the samples
642  * have the expected data
643  */
perf_session__check_output_opt(struct perf_session * session)644 static int perf_session__check_output_opt(struct perf_session *session)
645 {
646 	bool tod = false;
647 	unsigned int j;
648 	struct evsel *evsel;
649 
650 	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
651 		evsel = find_first_output_type(session->evlist, j);
652 
653 		/*
654 		 * even if fields is set to 0 (ie., show nothing) event must
655 		 * exist if user explicitly includes it on the command line
656 		 */
657 		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
658 		    j != OUTPUT_TYPE_SYNTH) {
659 			pr_err("%s events do not exist. "
660 			       "Remove corresponding -F option to proceed.\n",
661 			       event_type(j));
662 			return -1;
663 		}
664 
665 		if (evsel && output[j].fields &&
666 			evsel__check_attr(evsel, session))
667 			return -1;
668 
669 		if (evsel == NULL)
670 			continue;
671 
672 		/* 'dsoff' implys 'dso' field */
673 		if (output[j].fields & PERF_OUTPUT_DSOFF)
674 			output[j].fields |= PERF_OUTPUT_DSO;
675 
676 		evsel__set_print_ip_opts(evsel);
677 		tod |= output[j].fields & PERF_OUTPUT_TOD;
678 	}
679 
680 	if (!no_callchain) {
681 		bool use_callchain = false;
682 		bool not_pipe = false;
683 
684 		evlist__for_each_entry(session->evlist, evsel) {
685 			not_pipe = true;
686 			if (evsel__has_callchain(evsel) || evsel__is_offcpu_event(evsel)) {
687 				use_callchain = true;
688 				break;
689 			}
690 		}
691 		if (not_pipe && !use_callchain)
692 			symbol_conf.use_callchain = false;
693 	}
694 
695 	/*
696 	 * set default for tracepoints to print symbols only
697 	 * if callchains are present
698 	 */
699 	if (symbol_conf.use_callchain &&
700 	    !output[PERF_TYPE_TRACEPOINT].user_set) {
701 		j = PERF_TYPE_TRACEPOINT;
702 
703 		evlist__for_each_entry(session->evlist, evsel) {
704 			if (evsel->core.attr.type != j)
705 				continue;
706 
707 			if (evsel__has_callchain(evsel)) {
708 				output[j].fields |= PERF_OUTPUT_IP;
709 				output[j].fields |= PERF_OUTPUT_SYM;
710 				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
711 				output[j].fields |= PERF_OUTPUT_DSO;
712 				evsel__set_print_ip_opts(evsel);
713 				goto out;
714 			}
715 		}
716 	}
717 
718 	if (tod && !perf_session__env(session)->clock.enabled) {
719 		pr_err("Can't provide 'tod' time, missing clock data. "
720 		       "Please record with -k/--clockid option.\n");
721 		return -1;
722 	}
723 out:
724 	return 0;
725 }
726 
perf_sample__fprintf_regs(struct regs_dump * regs,uint64_t mask,const char * arch,FILE * fp)727 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
728 				     FILE *fp)
729 {
730 	unsigned i = 0, r;
731 	int printed = 0;
732 
733 	if (!regs || !regs->regs)
734 		return 0;
735 
736 	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
737 
738 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
739 		u64 val = regs->regs[i++];
740 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
741 	}
742 
743 	return printed;
744 }
745 
746 #define DEFAULT_TOD_FMT "%F %H:%M:%S"
747 
748 static char*
tod_scnprintf(struct perf_script * script,char * buf,int buflen,u64 timestamp)749 tod_scnprintf(struct perf_script *script, char *buf, int buflen,
750 	     u64 timestamp)
751 {
752 	u64 tod_ns, clockid_ns;
753 	struct perf_env *env;
754 	unsigned long nsec;
755 	struct tm ltime;
756 	char date[64];
757 	time_t sec;
758 
759 	buf[0] = '\0';
760 	if (buflen < 64 || !script)
761 		return buf;
762 
763 	env = perf_session__env(script->session);
764 	if (!env->clock.enabled) {
765 		scnprintf(buf, buflen, "disabled");
766 		return buf;
767 	}
768 
769 	clockid_ns = env->clock.clockid_ns;
770 	tod_ns     = env->clock.tod_ns;
771 
772 	if (timestamp > clockid_ns)
773 		tod_ns += timestamp - clockid_ns;
774 	else
775 		tod_ns -= clockid_ns - timestamp;
776 
777 	sec  = (time_t) (tod_ns / NSEC_PER_SEC);
778 	nsec = tod_ns - sec * NSEC_PER_SEC;
779 
780 	if (localtime_r(&sec, &ltime) == NULL) {
781 		scnprintf(buf, buflen, "failed");
782 	} else {
783 		strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
784 
785 		if (symbol_conf.nanosecs) {
786 			snprintf(buf, buflen, "%s.%09lu", date, nsec);
787 		} else {
788 			snprintf(buf, buflen, "%s.%06lu",
789 				 date, nsec / NSEC_PER_USEC);
790 		}
791 	}
792 
793 	return buf;
794 }
795 
perf_sample__fprintf_iregs(struct perf_sample * sample,struct perf_event_attr * attr,const char * arch,FILE * fp)796 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
797 				      struct perf_event_attr *attr, const char *arch, FILE *fp)
798 {
799 	if (!sample->intr_regs)
800 		return 0;
801 
802 	return perf_sample__fprintf_regs(perf_sample__intr_regs(sample),
803 					 attr->sample_regs_intr, arch, fp);
804 }
805 
perf_sample__fprintf_uregs(struct perf_sample * sample,struct perf_event_attr * attr,const char * arch,FILE * fp)806 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
807 				      struct perf_event_attr *attr, const char *arch, FILE *fp)
808 {
809 	if (!sample->user_regs)
810 		return 0;
811 
812 	return perf_sample__fprintf_regs(perf_sample__user_regs(sample),
813 					 attr->sample_regs_user, arch, fp);
814 }
815 
perf_sample__fprintf_start(struct perf_script * script,struct perf_sample * sample,struct thread * thread,struct evsel * evsel,u32 type,FILE * fp)816 static int perf_sample__fprintf_start(struct perf_script *script,
817 				      struct perf_sample *sample,
818 				      struct thread *thread,
819 				      struct evsel *evsel,
820 				      u32 type, FILE *fp)
821 {
822 	unsigned long secs;
823 	unsigned long long nsecs;
824 	int printed = 0;
825 	char tstr[128];
826 
827 	/*
828 	 * Print the branch counter's abbreviation list,
829 	 * if the branch counter is available.
830 	 */
831 	if (PRINT_FIELD(BRCNTR) && !verbose) {
832 		char *buf;
833 
834 		if (!annotation_br_cntr_abbr_list(&buf, evsel, true)) {
835 			printed += fprintf(stdout, "%s", buf);
836 			free(buf);
837 		}
838 	}
839 
840 	if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
841 		printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
842 
843 	/* Print VCPU only for guest events i.e. with machine_pid */
844 	if (PRINT_FIELD(VCPU) && sample->machine_pid)
845 		printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
846 
847 	if (PRINT_FIELD(COMM)) {
848 		const char *comm = thread ? thread__comm_str(thread) : ":-1";
849 
850 		if (latency_format)
851 			printed += fprintf(fp, "%8.8s ", comm);
852 		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
853 			printed += fprintf(fp, "%s ", comm);
854 		else
855 			printed += fprintf(fp, "%16s ", comm);
856 	}
857 
858 	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
859 		printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
860 	else if (PRINT_FIELD(PID))
861 		printed += fprintf(fp, "%7d ", sample->pid);
862 	else if (PRINT_FIELD(TID))
863 		printed += fprintf(fp, "%7d ", sample->tid);
864 
865 	if (PRINT_FIELD(CPU)) {
866 		if (latency_format)
867 			printed += fprintf(fp, "%3d ", sample->cpu);
868 		else
869 			printed += fprintf(fp, "[%03d] ", sample->cpu);
870 	}
871 
872 	if (PRINT_FIELD(MISC)) {
873 		int ret = 0;
874 
875 		#define has(m) \
876 			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
877 
878 		if (has(KERNEL))
879 			ret += fprintf(fp, "K");
880 		if (has(USER))
881 			ret += fprintf(fp, "U");
882 		if (has(HYPERVISOR))
883 			ret += fprintf(fp, "H");
884 		if (has(GUEST_KERNEL))
885 			ret += fprintf(fp, "G");
886 		if (has(GUEST_USER))
887 			ret += fprintf(fp, "g");
888 
889 		switch (type) {
890 		case PERF_RECORD_MMAP:
891 		case PERF_RECORD_MMAP2:
892 			if (has(MMAP_DATA))
893 				ret += fprintf(fp, "M");
894 			break;
895 		case PERF_RECORD_COMM:
896 			if (has(COMM_EXEC))
897 				ret += fprintf(fp, "E");
898 			break;
899 		case PERF_RECORD_SWITCH:
900 		case PERF_RECORD_SWITCH_CPU_WIDE:
901 			if (has(SWITCH_OUT)) {
902 				ret += fprintf(fp, "S");
903 				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
904 					ret += fprintf(fp, "p");
905 			}
906 		default:
907 			break;
908 		}
909 
910 		#undef has
911 
912 		ret += fprintf(fp, "%*s", 6 - ret, " ");
913 		printed += ret;
914 	}
915 
916 	if (PRINT_FIELD(TOD)) {
917 		tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
918 		printed += fprintf(fp, "%s ", tstr);
919 	}
920 
921 	if (PRINT_FIELD(TIME)) {
922 		u64 t = sample->time;
923 		if (reltime) {
924 			if (!initial_time)
925 				initial_time = sample->time;
926 			t = sample->time - initial_time;
927 		} else if (deltatime) {
928 			if (previous_time)
929 				t = sample->time - previous_time;
930 			else {
931 				t = 0;
932 			}
933 			previous_time = sample->time;
934 		}
935 		nsecs = t;
936 		secs = nsecs / NSEC_PER_SEC;
937 		nsecs -= secs * NSEC_PER_SEC;
938 
939 		if (symbol_conf.nanosecs)
940 			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
941 		else {
942 			char sample_time[32];
943 			timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
944 			printed += fprintf(fp, "%12s: ", sample_time);
945 		}
946 	}
947 
948 	return printed;
949 }
950 
951 static inline size_t
bstack_event_str(struct branch_entry * br,char * buf,size_t sz)952 bstack_event_str(struct branch_entry *br, char *buf, size_t sz)
953 {
954 	if (!(br->flags.mispred || br->flags.predicted || br->flags.not_taken))
955 		return snprintf(buf, sz, "-");
956 
957 	return snprintf(buf, sz, "%s%s",
958 			br->flags.predicted ? "P" : "M",
959 			br->flags.not_taken ? "N" : "");
960 }
961 
print_bstack_flags(FILE * fp,struct branch_entry * br)962 static int print_bstack_flags(FILE *fp, struct branch_entry *br)
963 {
964 	char events[16] = { 0 };
965 	size_t pos;
966 
967 	pos = bstack_event_str(br, events, sizeof(events));
968 	return fprintf(fp, "/%s/%c/%c/%d/%s/%s ",
969 		       pos < 0 ? "-" : events,
970 		       br->flags.in_tx ? 'X' : '-',
971 		       br->flags.abort ? 'A' : '-',
972 		       br->flags.cycles,
973 		       get_branch_type(br),
974 		       br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
975 }
976 
perf_sample__fprintf_brstack(struct perf_sample * sample,struct thread * thread,struct evsel * evsel,FILE * fp)977 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
978 					struct thread *thread,
979 					struct evsel *evsel, FILE *fp)
980 {
981 	struct branch_stack *br = sample->branch_stack;
982 	struct branch_entry *entries = perf_sample__branch_entries(sample);
983 	u64 i, from, to;
984 	int printed = 0;
985 
986 	if (!(br && br->nr))
987 		return 0;
988 
989 	for (i = 0; i < br->nr; i++) {
990 		from = entries[i].from;
991 		to   = entries[i].to;
992 
993 		printed += fprintf(fp, " 0x%"PRIx64, from);
994 		if (PRINT_FIELD(DSO)) {
995 			struct addr_location alf, alt;
996 
997 			addr_location__init(&alf);
998 			addr_location__init(&alt);
999 			thread__find_map_fb(thread, sample->cpumode, from, &alf);
1000 			thread__find_map_fb(thread, sample->cpumode, to, &alt);
1001 
1002 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1003 			printed += fprintf(fp, "/0x%"PRIx64, to);
1004 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1005 			addr_location__exit(&alt);
1006 			addr_location__exit(&alf);
1007 		} else
1008 			printed += fprintf(fp, "/0x%"PRIx64, to);
1009 
1010 		printed += print_bstack_flags(fp, entries + i);
1011 	}
1012 
1013 	return printed;
1014 }
1015 
perf_sample__fprintf_brstacksym(struct perf_sample * sample,struct thread * thread,struct evsel * evsel,FILE * fp)1016 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
1017 					   struct thread *thread,
1018 					   struct evsel *evsel, FILE *fp)
1019 {
1020 	struct branch_stack *br = sample->branch_stack;
1021 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1022 	u64 i, from, to;
1023 	int printed = 0;
1024 
1025 	if (!(br && br->nr))
1026 		return 0;
1027 
1028 	for (i = 0; i < br->nr; i++) {
1029 		struct addr_location alf, alt;
1030 
1031 		addr_location__init(&alf);
1032 		addr_location__init(&alt);
1033 		from = entries[i].from;
1034 		to   = entries[i].to;
1035 
1036 		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
1037 		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
1038 
1039 		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
1040 		if (PRINT_FIELD(DSO))
1041 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1042 		printed += fprintf(fp, "%c", '/');
1043 		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
1044 		if (PRINT_FIELD(DSO))
1045 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1046 		printed += print_bstack_flags(fp, entries + i);
1047 		addr_location__exit(&alt);
1048 		addr_location__exit(&alf);
1049 	}
1050 
1051 	return printed;
1052 }
1053 
perf_sample__fprintf_brstackoff(struct perf_sample * sample,struct thread * thread,struct evsel * evsel,FILE * fp)1054 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
1055 					   struct thread *thread,
1056 					   struct evsel *evsel, FILE *fp)
1057 {
1058 	struct branch_stack *br = sample->branch_stack;
1059 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1060 	u64 i, from, to;
1061 	int printed = 0;
1062 
1063 	if (!(br && br->nr))
1064 		return 0;
1065 
1066 	for (i = 0; i < br->nr; i++) {
1067 		struct addr_location alf, alt;
1068 
1069 		addr_location__init(&alf);
1070 		addr_location__init(&alt);
1071 		from = entries[i].from;
1072 		to   = entries[i].to;
1073 
1074 		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
1075 		    !dso__adjust_symbols(map__dso(alf.map)))
1076 			from = map__dso_map_ip(alf.map, from);
1077 
1078 		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
1079 		    !dso__adjust_symbols(map__dso(alt.map)))
1080 			to = map__dso_map_ip(alt.map, to);
1081 
1082 		printed += fprintf(fp, " 0x%"PRIx64, from);
1083 		if (PRINT_FIELD(DSO))
1084 			printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
1085 		printed += fprintf(fp, "/0x%"PRIx64, to);
1086 		if (PRINT_FIELD(DSO))
1087 			printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
1088 		printed += print_bstack_flags(fp, entries + i);
1089 		addr_location__exit(&alt);
1090 		addr_location__exit(&alf);
1091 	}
1092 
1093 	return printed;
1094 }
1095 #define MAXBB 16384UL
1096 
grab_bb(u8 * buffer,u64 start,u64 end,struct machine * machine,struct thread * thread,bool * is64bit,u8 * cpumode,bool last)1097 static int grab_bb(u8 *buffer, u64 start, u64 end,
1098 		    struct machine *machine, struct thread *thread,
1099 		    bool *is64bit, u8 *cpumode, bool last)
1100 {
1101 	long offset, len;
1102 	struct addr_location al;
1103 	bool kernel;
1104 	struct dso *dso;
1105 	int ret = 0;
1106 
1107 	if (!start || !end)
1108 		return 0;
1109 
1110 	kernel = machine__kernel_ip(machine, start);
1111 	if (kernel)
1112 		*cpumode = PERF_RECORD_MISC_KERNEL;
1113 	else
1114 		*cpumode = PERF_RECORD_MISC_USER;
1115 
1116 	/*
1117 	 * Block overlaps between kernel and user.
1118 	 * This can happen due to ring filtering
1119 	 * On Intel CPUs the entry into the kernel is filtered,
1120 	 * but the exit is not. Let the caller patch it up.
1121 	 */
1122 	if (kernel != machine__kernel_ip(machine, end)) {
1123 		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
1124 		return -ENXIO;
1125 	}
1126 
1127 	if (end - start > MAXBB - MAXINSN) {
1128 		if (last)
1129 			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
1130 		else
1131 			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
1132 		return 0;
1133 	}
1134 
1135 	addr_location__init(&al);
1136 	if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
1137 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1138 		goto out;
1139 	}
1140 	if (dso__data(dso)->status == DSO_DATA_STATUS_ERROR) {
1141 		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
1142 		goto out;
1143 	}
1144 
1145 	/* Load maps to ensure dso->is_64_bit has been updated */
1146 	map__load(al.map);
1147 
1148 	offset = map__map_ip(al.map, start);
1149 	len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
1150 				    end - start + MAXINSN);
1151 
1152 	*is64bit = dso__is_64_bit(dso);
1153 	if (len <= 0)
1154 		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
1155 			start, end);
1156 	ret = len;
1157 out:
1158 	addr_location__exit(&al);
1159 	return ret;
1160 }
1161 
map__fprintf_srccode(struct map * map,u64 addr,FILE * fp,struct srccode_state * state)1162 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
1163 {
1164 	char *srcfile;
1165 	int ret = 0;
1166 	unsigned line;
1167 	int len;
1168 	char *srccode;
1169 	struct dso *dso;
1170 
1171 	if (!map || (dso = map__dso(map)) == NULL)
1172 		return 0;
1173 	srcfile = get_srcline_split(dso,
1174 				    map__rip_2objdump(map, addr),
1175 				    &line);
1176 	if (!srcfile)
1177 		return 0;
1178 
1179 	/* Avoid redundant printing */
1180 	if (state &&
1181 	    state->srcfile &&
1182 	    !strcmp(state->srcfile, srcfile) &&
1183 	    state->line == line) {
1184 		free(srcfile);
1185 		return 0;
1186 	}
1187 
1188 	srccode = find_sourceline(srcfile, line, &len);
1189 	if (!srccode)
1190 		goto out_free_line;
1191 
1192 	ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
1193 
1194 	if (state) {
1195 		state->srcfile = srcfile;
1196 		state->line = line;
1197 	}
1198 	return ret;
1199 
1200 out_free_line:
1201 	free(srcfile);
1202 	return ret;
1203 }
1204 
print_srccode(struct thread * thread,u8 cpumode,uint64_t addr)1205 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
1206 {
1207 	struct addr_location al;
1208 	int ret = 0;
1209 
1210 	addr_location__init(&al);
1211 	thread__find_map(thread, cpumode, addr, &al);
1212 	if (!al.map)
1213 		goto out;
1214 	ret = map__fprintf_srccode(al.map, al.addr, stdout,
1215 				   thread__srccode_state(thread));
1216 	if (ret)
1217 		ret += printf("\n");
1218 out:
1219 	addr_location__exit(&al);
1220 	return ret;
1221 }
1222 
any_dump_insn(struct evsel * evsel __maybe_unused,struct perf_insn * x,uint64_t ip,u8 * inbuf,int inlen,int * lenp,FILE * fp)1223 static int any_dump_insn(struct evsel *evsel __maybe_unused,
1224 			 struct perf_insn *x, uint64_t ip,
1225 			 u8 *inbuf, int inlen, int *lenp,
1226 			 FILE *fp)
1227 {
1228 	if (PRINT_FIELD(BRSTACKDISASM)) {
1229 		int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit,
1230 					       (uint8_t *)inbuf, inlen, ip, lenp,
1231 					       PRINT_INSN_IMM_HEX, fp);
1232 
1233 		if (printed > 0)
1234 			return printed;
1235 	}
1236 	return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp));
1237 }
1238 
add_padding(FILE * fp,int printed,int padding)1239 static int add_padding(FILE *fp, int printed, int padding)
1240 {
1241 	if (printed >= 0 && printed < padding)
1242 		printed += fprintf(fp, "%*s", padding - printed, "");
1243 	return printed;
1244 }
1245 
ip__fprintf_jump(uint64_t ip,struct branch_entry * en,struct perf_insn * x,u8 * inbuf,int len,int insn,FILE * fp,int * total_cycles,struct evsel * evsel,struct thread * thread,u64 br_cntr)1246 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1247 			    struct perf_insn *x, u8 *inbuf, int len,
1248 			    int insn, FILE *fp, int *total_cycles,
1249 			    struct evsel *evsel,
1250 			    struct thread *thread,
1251 			    u64 br_cntr)
1252 {
1253 	int ilen = 0;
1254 	int printed = fprintf(fp, "\t%016" PRIx64 "\t", ip);
1255 
1256 	printed += add_padding(fp, any_dump_insn(evsel, x, ip, inbuf, len, &ilen, fp), 30);
1257 	printed += fprintf(fp, "\t");
1258 
1259 	if (PRINT_FIELD(BRSTACKINSNLEN))
1260 		printed += fprintf(fp, "ilen: %d\t", ilen);
1261 
1262 	if (PRINT_FIELD(SRCLINE)) {
1263 		struct addr_location al;
1264 
1265 		addr_location__init(&al);
1266 		thread__find_map(thread, x->cpumode, ip, &al);
1267 		printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp);
1268 		printed += fprintf(fp, "\t");
1269 		addr_location__exit(&al);
1270 	}
1271 
1272 	if (PRINT_FIELD(BRCNTR)) {
1273 		struct evsel *pos = evsel__leader(evsel);
1274 		unsigned int i = 0, j, num, mask, width;
1275 
1276 		perf_env__find_br_cntr_info(evsel__env(evsel), NULL, &width);
1277 		mask = (1L << width) - 1;
1278 		printed += fprintf(fp, "br_cntr: ");
1279 		evlist__for_each_entry_from(evsel->evlist, pos) {
1280 			if (!(pos->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_COUNTERS))
1281 				continue;
1282 			if (evsel__leader(pos) != evsel__leader(evsel))
1283 				break;
1284 
1285 			num = (br_cntr >> (i++ * width)) & mask;
1286 			if (!verbose) {
1287 				for (j = 0; j < num; j++)
1288 					printed += fprintf(fp, "%s", pos->abbr_name);
1289 			} else
1290 				printed += fprintf(fp, "%s %d ", pos->name, num);
1291 		}
1292 		printed += fprintf(fp, "\t");
1293 	}
1294 
1295 	printed += fprintf(fp, "#%s%s%s%s",
1296 			      en->flags.predicted ? " PRED" : "",
1297 			      en->flags.mispred ? " MISPRED" : "",
1298 			      en->flags.in_tx ? " INTX" : "",
1299 			      en->flags.abort ? " ABORT" : "");
1300 	if (en->flags.cycles) {
1301 		*total_cycles += en->flags.cycles;
1302 		printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1303 		if (insn)
1304 			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1305 	}
1306 
1307 	return printed + fprintf(fp, "\n");
1308 }
1309 
ip__fprintf_sym(uint64_t addr,struct thread * thread,u8 cpumode,int cpu,struct symbol ** lastsym,struct evsel * evsel,FILE * fp)1310 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1311 			   u8 cpumode, int cpu, struct symbol **lastsym,
1312 			   struct evsel *evsel, FILE *fp)
1313 {
1314 	struct addr_location al;
1315 	int off, printed = 0, ret = 0;
1316 
1317 	addr_location__init(&al);
1318 	thread__find_map(thread, cpumode, addr, &al);
1319 
1320 	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1321 		goto out;
1322 
1323 	al.cpu = cpu;
1324 	al.sym = NULL;
1325 	if (al.map)
1326 		al.sym = map__find_symbol(al.map, al.addr);
1327 
1328 	if (!al.sym)
1329 		goto out;
1330 
1331 	if (al.addr < al.sym->end)
1332 		off = al.addr - al.sym->start;
1333 	else
1334 		off = al.addr - map__start(al.map) - al.sym->start;
1335 	printed += fprintf(fp, "\t%s", al.sym->name);
1336 	if (off)
1337 		printed += fprintf(fp, "%+d", off);
1338 	printed += fprintf(fp, ":");
1339 	if (PRINT_FIELD(SRCLINE))
1340 		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1341 	printed += fprintf(fp, "\n");
1342 	*lastsym = al.sym;
1343 
1344 	ret = printed;
1345 out:
1346 	addr_location__exit(&al);
1347 	return ret;
1348 }
1349 
perf_sample__fprintf_brstackinsn(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct perf_event_attr * attr,struct machine * machine,FILE * fp)1350 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1351 					    struct evsel *evsel,
1352 					    struct thread *thread,
1353 					    struct perf_event_attr *attr,
1354 					    struct machine *machine, FILE *fp)
1355 {
1356 	struct branch_stack *br = sample->branch_stack;
1357 	struct branch_entry *entries = perf_sample__branch_entries(sample);
1358 	u64 start, end;
1359 	int i, insn, len, nr, ilen, printed = 0;
1360 	struct perf_insn x;
1361 	u8 buffer[MAXBB];
1362 	unsigned off;
1363 	struct symbol *lastsym = NULL;
1364 	int total_cycles = 0;
1365 	u64 br_cntr = 0;
1366 
1367 	if (!(br && br->nr))
1368 		return 0;
1369 	nr = br->nr;
1370 	if (max_blocks && nr > max_blocks + 1)
1371 		nr = max_blocks + 1;
1372 
1373 	x.thread = thread;
1374 	x.machine = machine;
1375 	x.cpu = sample->cpu;
1376 
1377 	if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr)
1378 		br_cntr = sample->branch_stack_cntr[nr - 1];
1379 
1380 	printed += fprintf(fp, "%c", '\n');
1381 
1382 	/* Handle first from jump, of which we don't know the entry. */
1383 	len = grab_bb(buffer, entries[nr-1].from,
1384 			entries[nr-1].from,
1385 			machine, thread, &x.is64bit, &x.cpumode, false);
1386 	if (len > 0) {
1387 		printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1388 					   x.cpumode, x.cpu, &lastsym, evsel, fp);
1389 		printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1390 					    &x, buffer, len, 0, fp, &total_cycles,
1391 					    evsel, thread, br_cntr);
1392 		if (PRINT_FIELD(SRCCODE))
1393 			printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1394 	}
1395 
1396 	/* Print all blocks */
1397 	for (i = nr - 2; i >= 0; i--) {
1398 		if (entries[i].from || entries[i].to)
1399 			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1400 				 entries[i].from,
1401 				 entries[i].to);
1402 		start = entries[i + 1].to;
1403 		end   = entries[i].from;
1404 
1405 		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1406 		/* Patch up missing kernel transfers due to ring filters */
1407 		if (len == -ENXIO && i > 0) {
1408 			end = entries[--i].from;
1409 			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1410 			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1411 		}
1412 		if (len <= 0)
1413 			continue;
1414 
1415 		insn = 0;
1416 		for (off = 0; off < (unsigned)len; off += ilen) {
1417 			uint64_t ip = start + off;
1418 
1419 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, evsel, fp);
1420 			if (ip == end) {
1421 				if (PRINT_FIELD(BRCNTR) && sample->branch_stack_cntr)
1422 					br_cntr = sample->branch_stack_cntr[i];
1423 				printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1424 							    &total_cycles, evsel, thread, br_cntr);
1425 				if (PRINT_FIELD(SRCCODE))
1426 					printed += print_srccode(thread, x.cpumode, ip);
1427 				break;
1428 			} else {
1429 				ilen = 0;
1430 				printed += fprintf(fp, "\t%016" PRIx64 "\t", ip);
1431 				printed += any_dump_insn(evsel, &x, ip, buffer + off, len - off, &ilen, fp);
1432 				if (PRINT_FIELD(BRSTACKINSNLEN))
1433 					printed += fprintf(fp, "\tilen: %d", ilen);
1434 				printed += fprintf(fp, "\n");
1435 				if (ilen == 0)
1436 					break;
1437 				if (PRINT_FIELD(SRCCODE))
1438 					print_srccode(thread, x.cpumode, ip);
1439 				insn++;
1440 			}
1441 		}
1442 		if (off != end - start)
1443 			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1444 	}
1445 
1446 	/*
1447 	 * Hit the branch? In this case we are already done, and the target
1448 	 * has not been executed yet.
1449 	 */
1450 	if (entries[0].from == sample->ip)
1451 		goto out;
1452 	if (entries[0].flags.abort)
1453 		goto out;
1454 
1455 	/*
1456 	 * Print final block up to sample
1457 	 *
1458 	 * Due to pipeline delays the LBRs might be missing a branch
1459 	 * or two, which can result in very large or negative blocks
1460 	 * between final branch and sample. When this happens just
1461 	 * continue walking after the last TO.
1462 	 */
1463 	start = entries[0].to;
1464 	end = sample->ip;
1465 	if (end < start) {
1466 		/* Missing jump. Scan 128 bytes for the next branch */
1467 		end = start + 128;
1468 	}
1469 	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1470 	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, evsel, fp);
1471 	if (len <= 0) {
1472 		/* Print at least last IP if basic block did not work */
1473 		len = grab_bb(buffer, sample->ip, sample->ip,
1474 			      machine, thread, &x.is64bit, &x.cpumode, false);
1475 		if (len <= 0)
1476 			goto out;
1477 		ilen = 0;
1478 		printed += fprintf(fp, "\t%016" PRIx64 "\t", sample->ip);
1479 		printed += any_dump_insn(evsel, &x, sample->ip, buffer, len, &ilen, fp);
1480 		if (PRINT_FIELD(BRSTACKINSNLEN))
1481 			printed += fprintf(fp, "\tilen: %d", ilen);
1482 		printed += fprintf(fp, "\n");
1483 		if (PRINT_FIELD(SRCCODE))
1484 			print_srccode(thread, x.cpumode, sample->ip);
1485 		goto out;
1486 	}
1487 	for (off = 0; off <= end - start; off += ilen) {
1488 		ilen = 0;
1489 		printed += fprintf(fp, "\t%016" PRIx64 "\t", start + off);
1490 		printed += any_dump_insn(evsel, &x, start + off, buffer + off, len - off, &ilen, fp);
1491 		if (PRINT_FIELD(BRSTACKINSNLEN))
1492 			printed += fprintf(fp, "\tilen: %d", ilen);
1493 		printed += fprintf(fp, "\n");
1494 		if (ilen == 0)
1495 			break;
1496 		if ((attr->branch_sample_type == 0 || attr->branch_sample_type & PERF_SAMPLE_BRANCH_ANY)
1497 				&& arch_is_uncond_branch(buffer + off, len - off, x.is64bit)
1498 				&& start + off != sample->ip) {
1499 			/*
1500 			 * Hit a missing branch. Just stop.
1501 			 */
1502 			printed += fprintf(fp, "\t... not reaching sample ...\n");
1503 			break;
1504 		}
1505 		if (PRINT_FIELD(SRCCODE))
1506 			print_srccode(thread, x.cpumode, start + off);
1507 	}
1508 out:
1509 	return printed;
1510 }
1511 
perf_sample__fprintf_addr(struct perf_sample * sample,struct thread * thread,struct evsel * evsel,FILE * fp)1512 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1513 				     struct thread *thread,
1514 				     struct evsel *evsel, FILE *fp)
1515 {
1516 	struct addr_location al;
1517 	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1518 
1519 	addr_location__init(&al);
1520 	if (!sample_addr_correlates_sym(&evsel->core.attr))
1521 		goto out;
1522 
1523 	thread__resolve(thread, &al, sample);
1524 
1525 	if (PRINT_FIELD(SYM)) {
1526 		printed += fprintf(fp, " ");
1527 		if (PRINT_FIELD(SYMOFFSET))
1528 			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1529 		else
1530 			printed += symbol__fprintf_symname(al.sym, fp);
1531 	}
1532 
1533 	if (PRINT_FIELD(DSO))
1534 		printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
1535 out:
1536 	addr_location__exit(&al);
1537 	return printed;
1538 }
1539 
resolve_branch_sym(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,struct addr_location * addr_al,u64 * ip)1540 static const char *resolve_branch_sym(struct perf_sample *sample,
1541 				      struct evsel *evsel,
1542 				      struct thread *thread,
1543 				      struct addr_location *al,
1544 				      struct addr_location *addr_al,
1545 				      u64 *ip)
1546 {
1547 	const char *name = NULL;
1548 
1549 	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1550 		if (sample_addr_correlates_sym(&evsel->core.attr)) {
1551 			if (!addr_al->thread)
1552 				thread__resolve(thread, addr_al, sample);
1553 			if (addr_al->sym)
1554 				name = addr_al->sym->name;
1555 			else
1556 				*ip = sample->addr;
1557 		} else {
1558 			*ip = sample->addr;
1559 		}
1560 	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1561 		if (al->sym)
1562 			name = al->sym->name;
1563 		else
1564 			*ip = sample->ip;
1565 	}
1566 	return name;
1567 }
1568 
perf_sample__fprintf_callindent(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,struct addr_location * addr_al,FILE * fp)1569 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1570 					   struct evsel *evsel,
1571 					   struct thread *thread,
1572 					   struct addr_location *al,
1573 					   struct addr_location *addr_al,
1574 					   FILE *fp)
1575 {
1576 	size_t depth = thread_stack__depth(thread, sample->cpu);
1577 	const char *name = NULL;
1578 	static int spacing;
1579 	int len = 0;
1580 	int dlen = 0;
1581 	u64 ip = 0;
1582 
1583 	/*
1584 	 * The 'return' has already been popped off the stack so the depth has
1585 	 * to be adjusted to match the 'call'.
1586 	 */
1587 	if (thread__ts(thread) && sample->flags & PERF_IP_FLAG_RETURN)
1588 		depth += 1;
1589 
1590 	name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
1591 
1592 	if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1593 		dlen += fprintf(fp, "(");
1594 		dlen += map__fprintf_dsoname(al->map, fp);
1595 		dlen += fprintf(fp, ")\t");
1596 	}
1597 
1598 	if (name)
1599 		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1600 	else if (ip)
1601 		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1602 
1603 	if (len < 0)
1604 		return len;
1605 
1606 	/*
1607 	 * Try to keep the output length from changing frequently so that the
1608 	 * output lines up more nicely.
1609 	 */
1610 	if (len > spacing || (len && len < spacing - 52))
1611 		spacing = round_up(len + 4, 32);
1612 
1613 	if (len < spacing)
1614 		len += fprintf(fp, "%*s", spacing - len, "");
1615 
1616 	return len + dlen;
1617 }
1618 
perf_sample__fprintf_insn(struct perf_sample * sample,struct evsel * evsel,struct perf_event_attr * attr,struct thread * thread,struct machine * machine,FILE * fp,struct addr_location * al)1619 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1620 				     struct evsel *evsel,
1621 				     struct perf_event_attr *attr,
1622 				     struct thread *thread,
1623 				     struct machine *machine, FILE *fp,
1624 				     struct addr_location *al)
1625 {
1626 	int printed = 0;
1627 
1628 	script_fetch_insn(sample, thread, machine, native_arch);
1629 
1630 	if (PRINT_FIELD(INSNLEN))
1631 		printed += fprintf(fp, " ilen: %d", sample->insn_len);
1632 	if (PRINT_FIELD(INSN) && sample->insn_len) {
1633 		printed += fprintf(fp, " insn: ");
1634 		printed += sample__fprintf_insn_raw(sample, fp);
1635 	}
1636 	if (PRINT_FIELD(DISASM) && sample->insn_len) {
1637 		printed += fprintf(fp, "\t\t");
1638 		printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al);
1639 	}
1640 	if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
1641 		printed += perf_sample__fprintf_brstackinsn(sample, evsel, thread, attr, machine, fp);
1642 
1643 	return printed;
1644 }
1645 
perf_sample__fprintf_ipc(struct perf_sample * sample,struct evsel * evsel,FILE * fp)1646 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1647 				    struct evsel *evsel, FILE *fp)
1648 {
1649 	unsigned int ipc;
1650 
1651 	if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1652 		return 0;
1653 
1654 	ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1655 
1656 	return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1657 		       ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1658 }
1659 
perf_sample__fprintf_bts(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,struct addr_location * addr_al,struct machine * machine,FILE * fp)1660 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1661 				    struct evsel *evsel,
1662 				    struct thread *thread,
1663 				    struct addr_location *al,
1664 				    struct addr_location *addr_al,
1665 				    struct machine *machine, FILE *fp)
1666 {
1667 	struct perf_event_attr *attr = &evsel->core.attr;
1668 	unsigned int type = evsel__output_type(evsel);
1669 	bool print_srcline_last = false;
1670 	int printed = 0;
1671 
1672 	if (PRINT_FIELD(CALLINDENT))
1673 		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
1674 
1675 	/* print branch_from information */
1676 	if (PRINT_FIELD(IP)) {
1677 		unsigned int print_opts = output[type].print_ip_opts;
1678 		struct callchain_cursor *cursor = NULL;
1679 
1680 		if (symbol_conf.use_callchain && sample->callchain) {
1681 			cursor = get_tls_callchain_cursor();
1682 			if (thread__resolve_callchain(al->thread, cursor, evsel,
1683 						      sample, NULL, NULL,
1684 						      scripting_max_stack))
1685 				cursor = NULL;
1686 		}
1687 		if (cursor == NULL) {
1688 			printed += fprintf(fp, " ");
1689 			if (print_opts & EVSEL__PRINT_SRCLINE) {
1690 				print_srcline_last = true;
1691 				print_opts &= ~EVSEL__PRINT_SRCLINE;
1692 			}
1693 		} else
1694 			printed += fprintf(fp, "\n");
1695 
1696 		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1697 					       symbol_conf.bt_stop_list, fp);
1698 	}
1699 
1700 	/* print branch_to information */
1701 	if (PRINT_FIELD(ADDR) ||
1702 	    ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1703 	     !output[type].user_set)) {
1704 		printed += fprintf(fp, " => ");
1705 		printed += perf_sample__fprintf_addr(sample, thread, evsel, fp);
1706 	}
1707 
1708 	printed += perf_sample__fprintf_ipc(sample, evsel, fp);
1709 
1710 	if (print_srcline_last)
1711 		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1712 
1713 	printed += perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al);
1714 	printed += fprintf(fp, "\n");
1715 	if (PRINT_FIELD(SRCCODE)) {
1716 		int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1717 					       thread__srccode_state(thread));
1718 		if (ret) {
1719 			printed += ret;
1720 			printed += printf("\n");
1721 		}
1722 	}
1723 	return printed;
1724 }
1725 
perf_sample__fprintf_flags(u32 flags,FILE * fp)1726 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1727 {
1728 	char str[SAMPLE_FLAGS_BUF_SIZE];
1729 	int ret;
1730 
1731 	ret = perf_sample__sprintf_flags(flags, str, sizeof(str));
1732 	if (ret < 0)
1733 		return fprintf(fp, "  raw flags:0x%-*x ",
1734 			       SAMPLE_FLAGS_STR_ALIGNED_SIZE - 12, flags);
1735 
1736 	return fprintf(fp, "  %-*s ", SAMPLE_FLAGS_STR_ALIGNED_SIZE, str);
1737 }
1738 
1739 struct printer_data {
1740 	int line_no;
1741 	bool hit_nul;
1742 	bool is_printable;
1743 };
1744 
sample__fprintf_bpf_output(enum binary_printer_ops op,unsigned int val,void * extra,FILE * fp)1745 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1746 				      unsigned int val,
1747 				      void *extra, FILE *fp)
1748 {
1749 	unsigned char ch = (unsigned char)val;
1750 	struct printer_data *printer_data = extra;
1751 	int printed = 0;
1752 
1753 	switch (op) {
1754 	case BINARY_PRINT_DATA_BEGIN:
1755 		printed += fprintf(fp, "\n");
1756 		break;
1757 	case BINARY_PRINT_LINE_BEGIN:
1758 		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1759 						        "           ");
1760 		break;
1761 	case BINARY_PRINT_ADDR:
1762 		printed += fprintf(fp, " %04x:", val);
1763 		break;
1764 	case BINARY_PRINT_NUM_DATA:
1765 		printed += fprintf(fp, " %02x", val);
1766 		break;
1767 	case BINARY_PRINT_NUM_PAD:
1768 		printed += fprintf(fp, "   ");
1769 		break;
1770 	case BINARY_PRINT_SEP:
1771 		printed += fprintf(fp, "  ");
1772 		break;
1773 	case BINARY_PRINT_CHAR_DATA:
1774 		if (printer_data->hit_nul && ch)
1775 			printer_data->is_printable = false;
1776 
1777 		if (!isprint(ch)) {
1778 			printed += fprintf(fp, "%c", '.');
1779 
1780 			if (!printer_data->is_printable)
1781 				break;
1782 
1783 			if (ch == '\0')
1784 				printer_data->hit_nul = true;
1785 			else
1786 				printer_data->is_printable = false;
1787 		} else {
1788 			printed += fprintf(fp, "%c", ch);
1789 		}
1790 		break;
1791 	case BINARY_PRINT_CHAR_PAD:
1792 		printed += fprintf(fp, " ");
1793 		break;
1794 	case BINARY_PRINT_LINE_END:
1795 		printed += fprintf(fp, "\n");
1796 		printer_data->line_no++;
1797 		break;
1798 	case BINARY_PRINT_DATA_END:
1799 	default:
1800 		break;
1801 	}
1802 
1803 	return printed;
1804 }
1805 
perf_sample__fprintf_bpf_output(struct perf_sample * sample,FILE * fp)1806 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1807 {
1808 	unsigned int nr_bytes = sample->raw_size;
1809 	struct printer_data printer_data = {0, false, true};
1810 	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1811 				      sample__fprintf_bpf_output, &printer_data, fp);
1812 
1813 	if (printer_data.is_printable && printer_data.hit_nul)
1814 		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1815 
1816 	return printed;
1817 }
1818 
perf_sample__fprintf_spacing(int len,int spacing,FILE * fp)1819 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1820 {
1821 	if (len > 0 && len < spacing)
1822 		return fprintf(fp, "%*s", spacing - len, "");
1823 
1824 	return 0;
1825 }
1826 
perf_sample__fprintf_pt_spacing(int len,FILE * fp)1827 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1828 {
1829 	return perf_sample__fprintf_spacing(len, 34, fp);
1830 }
1831 
1832 /* If a value contains only printable ASCII characters padded with NULLs */
ptw_is_prt(u64 val)1833 static bool ptw_is_prt(u64 val)
1834 {
1835 	char c;
1836 	u32 i;
1837 
1838 	for (i = 0; i < sizeof(val); i++) {
1839 		c = ((char *)&val)[i];
1840 		if (!c)
1841 			break;
1842 		if (!isprint(c) || !isascii(c))
1843 			return false;
1844 	}
1845 	for (; i < sizeof(val); i++) {
1846 		c = ((char *)&val)[i];
1847 		if (c)
1848 			return false;
1849 	}
1850 	return true;
1851 }
1852 
perf_sample__fprintf_synth_ptwrite(struct perf_sample * sample,FILE * fp)1853 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1854 {
1855 	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1856 	char str[sizeof(u64) + 1] = "";
1857 	int len;
1858 	u64 val;
1859 
1860 	if (perf_sample__bad_synth_size(sample, *data))
1861 		return 0;
1862 
1863 	val = le64_to_cpu(data->payload);
1864 	if (ptw_is_prt(val)) {
1865 		memcpy(str, &val, sizeof(val));
1866 		str[sizeof(val)] = 0;
1867 	}
1868 	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
1869 		      data->ip, val, str);
1870 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1871 }
1872 
perf_sample__fprintf_synth_mwait(struct perf_sample * sample,FILE * fp)1873 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1874 {
1875 	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1876 	int len;
1877 
1878 	if (perf_sample__bad_synth_size(sample, *data))
1879 		return 0;
1880 
1881 	len = fprintf(fp, " hints: %#x extensions: %#x ",
1882 		      data->hints, data->extensions);
1883 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1884 }
1885 
perf_sample__fprintf_synth_pwre(struct perf_sample * sample,FILE * fp)1886 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1887 {
1888 	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1889 	int len;
1890 
1891 	if (perf_sample__bad_synth_size(sample, *data))
1892 		return 0;
1893 
1894 	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1895 		      data->hw, data->cstate, data->subcstate);
1896 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1897 }
1898 
perf_sample__fprintf_synth_exstop(struct perf_sample * sample,FILE * fp)1899 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1900 {
1901 	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1902 	int len;
1903 
1904 	if (perf_sample__bad_synth_size(sample, *data))
1905 		return 0;
1906 
1907 	len = fprintf(fp, " IP: %u ", data->ip);
1908 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1909 }
1910 
perf_sample__fprintf_synth_pwrx(struct perf_sample * sample,FILE * fp)1911 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1912 {
1913 	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1914 	int len;
1915 
1916 	if (perf_sample__bad_synth_size(sample, *data))
1917 		return 0;
1918 
1919 	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1920 		     data->deepest_cstate, data->last_cstate,
1921 		     data->wake_reason);
1922 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1923 }
1924 
perf_sample__fprintf_synth_cbr(struct perf_sample * sample,FILE * fp)1925 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1926 {
1927 	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1928 	unsigned int percent, freq;
1929 	int len;
1930 
1931 	if (perf_sample__bad_synth_size(sample, *data))
1932 		return 0;
1933 
1934 	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1935 	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1936 	if (data->max_nonturbo) {
1937 		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1938 		len += fprintf(fp, "(%3u%%) ", percent);
1939 	}
1940 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1941 }
1942 
perf_sample__fprintf_synth_psb(struct perf_sample * sample,FILE * fp)1943 static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
1944 {
1945 	struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
1946 	int len;
1947 
1948 	if (perf_sample__bad_synth_size(sample, *data))
1949 		return 0;
1950 
1951 	len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
1952 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1953 }
1954 
1955 /* Intel PT Event Trace */
perf_sample__fprintf_synth_evt(struct perf_sample * sample,FILE * fp)1956 static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
1957 {
1958 	struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
1959 	const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
1960 			       "INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
1961 			       "SHUTDOWN", NULL, "UINTR", "UIRET"};
1962 	const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
1963 	const char *s;
1964 	int len, i;
1965 
1966 	if (perf_sample__bad_synth_size(sample, *data))
1967 		return 0;
1968 
1969 	s = cfe[data->type];
1970 	if (s) {
1971 		len = fprintf(fp, " cfe: %s IP: %d vector: %u",
1972 			      s, data->ip, data->vector);
1973 	} else {
1974 		len = fprintf(fp, " cfe: %u IP: %d vector: %u",
1975 			      data->type, data->ip, data->vector);
1976 	}
1977 	for (i = 0; i < data->evd_cnt; i++) {
1978 		unsigned int et = data->evd[i].evd_type & 0x3f;
1979 
1980 		s = evd[et];
1981 		if (s) {
1982 			len += fprintf(fp, " %s: %#" PRIx64,
1983 				       s, data->evd[i].payload);
1984 		} else {
1985 			len += fprintf(fp, " EVD_%u: %#" PRIx64,
1986 				       et, data->evd[i].payload);
1987 		}
1988 	}
1989 	return len + perf_sample__fprintf_pt_spacing(len, fp);
1990 }
1991 
perf_sample__fprintf_synth_iflag_chg(struct perf_sample * sample,FILE * fp)1992 static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
1993 {
1994 	struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
1995 	int len;
1996 
1997 	if (perf_sample__bad_synth_size(sample, *data))
1998 		return 0;
1999 
2000 	len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
2001 		      data->via_branch ? "via" : "non");
2002 	return len + perf_sample__fprintf_pt_spacing(len, fp);
2003 }
2004 
2005 #ifdef HAVE_AUXTRACE_SUPPORT
perf_sample__fprintf_synth_vpadtl(struct perf_sample * data,FILE * fp)2006 static int perf_sample__fprintf_synth_vpadtl(struct perf_sample *data, FILE *fp)
2007 {
2008 	struct powerpc_vpadtl_entry *dtl = (struct powerpc_vpadtl_entry *)data->raw_data;
2009 	int len;
2010 
2011 	len = fprintf(fp, "timebase: %" PRIu64 " dispatch_reason:%s, preempt_reason:%s,\n"
2012 			"enqueue_to_dispatch_time:%d, ready_to_enqueue_time:%d,"
2013 			"waiting_to_ready_time:%d, processor_id: %d",
2014 			get_unaligned_be64(&dtl->timebase),
2015 			dispatch_reasons[dtl->dispatch_reason],
2016 			preempt_reasons[dtl->preempt_reason],
2017 			be32_to_cpu(dtl->enqueue_to_dispatch_time),
2018 			be32_to_cpu(dtl->ready_to_enqueue_time),
2019 			be32_to_cpu(dtl->waiting_to_ready_time),
2020 			be16_to_cpu(dtl->processor_id));
2021 
2022 	return len;
2023 }
2024 #else
perf_sample__fprintf_synth_vpadtl(struct perf_sample * data __maybe_unused,FILE * fp __maybe_unused)2025 static int perf_sample__fprintf_synth_vpadtl(struct perf_sample *data __maybe_unused,
2026 		FILE *fp __maybe_unused)
2027 {
2028 	return 0;
2029 }
2030 #endif
2031 
perf_sample__fprintf_synth(struct perf_sample * sample,struct evsel * evsel,FILE * fp)2032 static int perf_sample__fprintf_synth(struct perf_sample *sample,
2033 				      struct evsel *evsel, FILE *fp)
2034 {
2035 	switch (evsel->core.attr.config) {
2036 	case PERF_SYNTH_INTEL_PTWRITE:
2037 		return perf_sample__fprintf_synth_ptwrite(sample, fp);
2038 	case PERF_SYNTH_INTEL_MWAIT:
2039 		return perf_sample__fprintf_synth_mwait(sample, fp);
2040 	case PERF_SYNTH_INTEL_PWRE:
2041 		return perf_sample__fprintf_synth_pwre(sample, fp);
2042 	case PERF_SYNTH_INTEL_EXSTOP:
2043 		return perf_sample__fprintf_synth_exstop(sample, fp);
2044 	case PERF_SYNTH_INTEL_PWRX:
2045 		return perf_sample__fprintf_synth_pwrx(sample, fp);
2046 	case PERF_SYNTH_INTEL_CBR:
2047 		return perf_sample__fprintf_synth_cbr(sample, fp);
2048 	case PERF_SYNTH_INTEL_PSB:
2049 		return perf_sample__fprintf_synth_psb(sample, fp);
2050 	case PERF_SYNTH_INTEL_EVT:
2051 		return perf_sample__fprintf_synth_evt(sample, fp);
2052 	case PERF_SYNTH_INTEL_IFLAG_CHG:
2053 		return perf_sample__fprintf_synth_iflag_chg(sample, fp);
2054 	case PERF_SYNTH_POWERPC_VPA_DTL:
2055 		return perf_sample__fprintf_synth_vpadtl(sample, fp);
2056 	default:
2057 		break;
2058 	}
2059 
2060 	return 0;
2061 }
2062 
evlist__max_name_len(struct evlist * evlist)2063 static int evlist__max_name_len(struct evlist *evlist)
2064 {
2065 	struct evsel *evsel;
2066 	int max = 0;
2067 
2068 	evlist__for_each_entry(evlist, evsel) {
2069 		int len = strlen(evsel__name(evsel));
2070 
2071 		max = MAX(len, max);
2072 	}
2073 
2074 	return max;
2075 }
2076 
data_src__fprintf(u64 data_src,FILE * fp)2077 static int data_src__fprintf(u64 data_src, FILE *fp)
2078 {
2079 	struct mem_info *mi = mem_info__new();
2080 	char decode[100];
2081 	char out[100];
2082 	static int maxlen;
2083 	int len;
2084 
2085 	if (!mi)
2086 		return -ENOMEM;
2087 
2088 	mem_info__data_src(mi)->val = data_src;
2089 	perf_script__meminfo_scnprintf(decode, 100, mi);
2090 	mem_info__put(mi);
2091 
2092 	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
2093 	if (maxlen < len)
2094 		maxlen = len;
2095 
2096 	return fprintf(fp, "%-*s", maxlen, out);
2097 }
2098 
2099 struct metric_ctx {
2100 	struct perf_sample	*sample;
2101 	struct thread		*thread;
2102 	struct evsel	*evsel;
2103 	FILE 			*fp;
2104 };
2105 
script_print_metric(struct perf_stat_config * config __maybe_unused,void * ctx,enum metric_threshold_classify thresh,const char * fmt,const char * unit,double val)2106 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
2107 				void *ctx, enum metric_threshold_classify thresh,
2108 				const char *fmt, const char *unit, double val)
2109 {
2110 	struct metric_ctx *mctx = ctx;
2111 	const char *color = metric_threshold_classify__color(thresh);
2112 
2113 	if (!fmt)
2114 		return;
2115 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2116 				   PERF_RECORD_SAMPLE, mctx->fp);
2117 	fputs("\tmetric: ", mctx->fp);
2118 	if (color)
2119 		color_fprintf(mctx->fp, color, fmt, val);
2120 	else
2121 		printf(fmt, val);
2122 	fprintf(mctx->fp, " %s\n", unit);
2123 }
2124 
script_new_line(struct perf_stat_config * config __maybe_unused,void * ctx)2125 static void script_new_line(struct perf_stat_config *config __maybe_unused,
2126 			    void *ctx)
2127 {
2128 	struct metric_ctx *mctx = ctx;
2129 
2130 	perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
2131 				   PERF_RECORD_SAMPLE, mctx->fp);
2132 	fputs("\tmetric: ", mctx->fp);
2133 }
2134 
perf_sample__fprint_metric(struct perf_script * script,struct thread * thread,struct evsel * evsel,struct perf_sample * sample,FILE * fp)2135 static void perf_sample__fprint_metric(struct perf_script *script,
2136 				       struct thread *thread,
2137 				       struct evsel *evsel,
2138 				       struct perf_sample *sample,
2139 				       FILE *fp)
2140 {
2141 	struct evsel *leader = evsel__leader(evsel);
2142 	struct perf_stat_output_ctx ctx = {
2143 		.print_metric = script_print_metric,
2144 		.new_line = script_new_line,
2145 		.ctx = &(struct metric_ctx) {
2146 				.sample = sample,
2147 				.thread = thread,
2148 				.evsel  = evsel,
2149 				.fp     = fp,
2150 			 },
2151 		.force_header = false,
2152 	};
2153 	struct evsel *ev2;
2154 	u64 val;
2155 
2156 	if (!evsel->stats)
2157 		evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
2158 	if (evsel_script(leader)->gnum++ == 0)
2159 		perf_stat__reset_shadow_stats();
2160 	val = sample->period * evsel->scale;
2161 	evsel_script(evsel)->val = val;
2162 	if (evsel_script(leader)->gnum == leader->core.nr_members) {
2163 		for_each_group_member (ev2, leader) {
2164 			perf_stat__print_shadow_stats(&stat_config, ev2,
2165 						      evsel_script(ev2)->val,
2166 						      sample->cpu,
2167 						      &ctx);
2168 		}
2169 		evsel_script(leader)->gnum = 0;
2170 	}
2171 }
2172 
show_event(struct perf_sample * sample,struct evsel * evsel,struct thread * thread,struct addr_location * al,struct addr_location * addr_al)2173 static bool show_event(struct perf_sample *sample,
2174 		       struct evsel *evsel,
2175 		       struct thread *thread,
2176 		       struct addr_location *al,
2177 		       struct addr_location *addr_al)
2178 {
2179 	int depth = thread_stack__depth(thread, sample->cpu);
2180 
2181 	if (!symbol_conf.graph_function)
2182 		return true;
2183 
2184 	if (thread__filter(thread)) {
2185 		if (depth <= thread__filter_entry_depth(thread)) {
2186 			thread__set_filter(thread, false);
2187 			return false;
2188 		}
2189 		return true;
2190 	} else {
2191 		const char *s = symbol_conf.graph_function;
2192 		u64 ip;
2193 		const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
2194 				&ip);
2195 		unsigned nlen;
2196 
2197 		if (!name)
2198 			return false;
2199 		nlen = strlen(name);
2200 		while (*s) {
2201 			unsigned len = strcspn(s, ",");
2202 			if (nlen == len && !strncmp(name, s, len)) {
2203 				thread__set_filter(thread, true);
2204 				thread__set_filter_entry_depth(thread, depth);
2205 				return true;
2206 			}
2207 			s += len;
2208 			if (*s == ',')
2209 				s++;
2210 		}
2211 		return false;
2212 	}
2213 }
2214 
process_event(struct perf_script * script,struct perf_sample * sample,struct evsel * evsel,struct addr_location * al,struct addr_location * addr_al,struct machine * machine)2215 static void process_event(struct perf_script *script,
2216 			  struct perf_sample *sample, struct evsel *evsel,
2217 			  struct addr_location *al,
2218 			  struct addr_location *addr_al,
2219 			  struct machine *machine)
2220 {
2221 	struct thread *thread = al->thread;
2222 	struct perf_event_attr *attr = &evsel->core.attr;
2223 	unsigned int type = evsel__output_type(evsel);
2224 	struct evsel_script *es = evsel->priv;
2225 	FILE *fp = es->fp;
2226 	char str[PAGE_SIZE_NAME_LEN];
2227 	const char *arch = perf_env__arch(machine->env);
2228 
2229 	if (output[type].fields == 0)
2230 		return;
2231 
2232 	++es->samples;
2233 
2234 	perf_sample__fprintf_start(script, sample, thread, evsel,
2235 				   PERF_RECORD_SAMPLE, fp);
2236 
2237 	if (PRINT_FIELD(PERIOD))
2238 		fprintf(fp, "%10" PRIu64 " ", sample->period);
2239 
2240 	if (PRINT_FIELD(EVNAME)) {
2241 		const char *evname = evsel__name(evsel);
2242 
2243 		if (!script->name_width)
2244 			script->name_width = evlist__max_name_len(script->session->evlist);
2245 
2246 		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
2247 	}
2248 
2249 	if (print_flags)
2250 		perf_sample__fprintf_flags(sample->flags, fp);
2251 
2252 	if (is_bts_event(attr)) {
2253 		perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
2254 		return;
2255 	}
2256 #ifdef HAVE_LIBTRACEEVENT
2257 	if (PRINT_FIELD(TRACE) && sample->raw_data) {
2258 		const struct tep_event *tp_format = evsel__tp_format(evsel);
2259 
2260 		if (tp_format) {
2261 			event_format__fprintf(tp_format, sample->cpu,
2262 					      sample->raw_data, sample->raw_size,
2263 					      fp);
2264 		}
2265 	}
2266 #endif
2267 	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
2268 		perf_sample__fprintf_synth(sample, evsel, fp);
2269 
2270 	if (PRINT_FIELD(ADDR))
2271 		perf_sample__fprintf_addr(sample, thread, evsel, fp);
2272 
2273 	if (PRINT_FIELD(DATA_SRC))
2274 		data_src__fprintf(sample->data_src, fp);
2275 
2276 	if (PRINT_FIELD(WEIGHT))
2277 		fprintf(fp, "%16" PRIu64, sample->weight);
2278 
2279 	if (PRINT_FIELD(INS_LAT))
2280 		fprintf(fp, "%16" PRIu16, sample->ins_lat);
2281 
2282 	if (PRINT_FIELD(RETIRE_LAT))
2283 		fprintf(fp, "%16" PRIu16, sample->weight3);
2284 
2285 	if (PRINT_FIELD(CGROUP)) {
2286 		const char *cgrp_name;
2287 		struct cgroup *cgrp = cgroup__find(machine->env,
2288 						   sample->cgroup);
2289 		if (cgrp != NULL)
2290 			cgrp_name = cgrp->name;
2291 		else
2292 			cgrp_name = "unknown";
2293 		fprintf(fp, " %s", cgrp_name);
2294 	}
2295 
2296 	if (PRINT_FIELD(IP)) {
2297 		struct callchain_cursor *cursor = NULL;
2298 
2299 		if (script->stitch_lbr)
2300 			thread__set_lbr_stitch_enable(al->thread, true);
2301 
2302 		if (symbol_conf.use_callchain && sample->callchain) {
2303 			cursor = get_tls_callchain_cursor();
2304 			if (thread__resolve_callchain(al->thread, cursor, evsel,
2305 						      sample, NULL, NULL,
2306 						      scripting_max_stack))
2307 				cursor = NULL;
2308 		}
2309 		fputc(cursor ? '\n' : ' ', fp);
2310 		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
2311 				    symbol_conf.bt_stop_list, fp);
2312 	}
2313 
2314 	if (PRINT_FIELD(IREGS))
2315 		perf_sample__fprintf_iregs(sample, attr, arch, fp);
2316 
2317 	if (PRINT_FIELD(UREGS))
2318 		perf_sample__fprintf_uregs(sample, attr, arch, fp);
2319 
2320 	if (PRINT_FIELD(BRSTACK))
2321 		perf_sample__fprintf_brstack(sample, thread, evsel, fp);
2322 	else if (PRINT_FIELD(BRSTACKSYM))
2323 		perf_sample__fprintf_brstacksym(sample, thread, evsel, fp);
2324 	else if (PRINT_FIELD(BRSTACKOFF))
2325 		perf_sample__fprintf_brstackoff(sample, thread, evsel, fp);
2326 
2327 	if (evsel__is_bpf_output(evsel) && !evsel__is_offcpu_event(evsel) && PRINT_FIELD(BPF_OUTPUT))
2328 		perf_sample__fprintf_bpf_output(sample, fp);
2329 	perf_sample__fprintf_insn(sample, evsel, attr, thread, machine, fp, al);
2330 
2331 	if (PRINT_FIELD(PHYS_ADDR))
2332 		fprintf(fp, "%16" PRIx64, sample->phys_addr);
2333 
2334 	if (PRINT_FIELD(DATA_PAGE_SIZE))
2335 		fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
2336 
2337 	if (PRINT_FIELD(CODE_PAGE_SIZE))
2338 		fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
2339 
2340 	perf_sample__fprintf_ipc(sample, evsel, fp);
2341 
2342 	fprintf(fp, "\n");
2343 
2344 	if (PRINT_FIELD(SRCCODE)) {
2345 		if (map__fprintf_srccode(al->map, al->addr, stdout,
2346 					 thread__srccode_state(thread)))
2347 			printf("\n");
2348 	}
2349 
2350 	if (PRINT_FIELD(METRIC))
2351 		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
2352 
2353 	if (verbose > 0)
2354 		fflush(fp);
2355 }
2356 
2357 static struct scripting_ops	*scripting_ops;
2358 
__process_stat(struct evsel * counter,u64 tstamp)2359 static void __process_stat(struct evsel *counter, u64 tstamp)
2360 {
2361 	int nthreads = perf_thread_map__nr(counter->core.threads);
2362 	int idx, thread;
2363 	struct perf_cpu cpu;
2364 	static int header_printed;
2365 
2366 	if (!header_printed) {
2367 		printf("%3s %8s %15s %15s %15s %15s %s\n",
2368 		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
2369 		header_printed = 1;
2370 	}
2371 
2372 	for (thread = 0; thread < nthreads; thread++) {
2373 		perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
2374 			struct perf_counts_values *counts;
2375 
2376 			counts = perf_counts(counter->counts, idx, thread);
2377 
2378 			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2379 				cpu.cpu,
2380 				perf_thread_map__pid(counter->core.threads, thread),
2381 				counts->val,
2382 				counts->ena,
2383 				counts->run,
2384 				tstamp,
2385 				evsel__name(counter));
2386 		}
2387 	}
2388 }
2389 
process_stat(struct evsel * counter,u64 tstamp)2390 static void process_stat(struct evsel *counter, u64 tstamp)
2391 {
2392 	if (scripting_ops && scripting_ops->process_stat)
2393 		scripting_ops->process_stat(&stat_config, counter, tstamp);
2394 	else
2395 		__process_stat(counter, tstamp);
2396 }
2397 
process_stat_interval(u64 tstamp)2398 static void process_stat_interval(u64 tstamp)
2399 {
2400 	if (scripting_ops && scripting_ops->process_stat_interval)
2401 		scripting_ops->process_stat_interval(tstamp);
2402 }
2403 
setup_scripting(void)2404 static void setup_scripting(void)
2405 {
2406 #ifdef HAVE_LIBTRACEEVENT
2407 	setup_perl_scripting();
2408 #endif
2409 	setup_python_scripting();
2410 }
2411 
flush_scripting(void)2412 static int flush_scripting(void)
2413 {
2414 	return scripting_ops ? scripting_ops->flush_script() : 0;
2415 }
2416 
cleanup_scripting(void)2417 static int cleanup_scripting(void)
2418 {
2419 	pr_debug("\nperf script stopped\n");
2420 
2421 	return scripting_ops ? scripting_ops->stop_script() : 0;
2422 }
2423 
filter_cpu(struct perf_sample * sample)2424 static bool filter_cpu(struct perf_sample *sample)
2425 {
2426 	if (cpu_list && sample->cpu != (u32)-1)
2427 		return !test_bit(sample->cpu, cpu_bitmap);
2428 	return false;
2429 }
2430 
process_sample_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct evsel * evsel,struct machine * machine)2431 static int process_sample_event(const struct perf_tool *tool,
2432 				union perf_event *event,
2433 				struct perf_sample *sample,
2434 				struct evsel *evsel,
2435 				struct machine *machine)
2436 {
2437 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2438 	struct addr_location al;
2439 	struct addr_location addr_al;
2440 	int ret = 0;
2441 
2442 	/* Set thread to NULL to indicate addr_al and al are not initialized */
2443 	addr_location__init(&al);
2444 	addr_location__init(&addr_al);
2445 
2446 	ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2447 	if (ret) {
2448 		if (ret > 0)
2449 			ret = 0;
2450 		goto out_put;
2451 	}
2452 
2453 	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2454 					  sample->time)) {
2455 		goto out_put;
2456 	}
2457 
2458 	if (debug_mode) {
2459 		if (sample->time < last_timestamp) {
2460 			pr_err("Samples misordered, previous: %" PRIu64
2461 				" this: %" PRIu64 "\n", last_timestamp,
2462 				sample->time);
2463 			nr_unordered++;
2464 		}
2465 		last_timestamp = sample->time;
2466 		goto out_put;
2467 	}
2468 
2469 	if (filter_cpu(sample))
2470 		goto out_put;
2471 
2472 	if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
2473 		pr_err("problem processing %d event, skipping it.\n",
2474 		       event->header.type);
2475 		ret = -1;
2476 		goto out_put;
2477 	}
2478 
2479 	if (al.filtered)
2480 		goto out_put;
2481 
2482 	if (!show_event(sample, evsel, al.thread, &al, &addr_al))
2483 		goto out_put;
2484 
2485 	if (evswitch__discard(&scr->evswitch, evsel))
2486 		goto out_put;
2487 
2488 	ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
2489 	if (ret) {
2490 		if (ret > 0)
2491 			ret = 0;
2492 		goto out_put;
2493 	}
2494 
2495 	if (scripting_ops) {
2496 		struct addr_location *addr_al_ptr = NULL;
2497 
2498 		if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
2499 		    sample_addr_correlates_sym(&evsel->core.attr)) {
2500 			if (!addr_al.thread)
2501 				thread__resolve(al.thread, &addr_al, sample);
2502 			addr_al_ptr = &addr_al;
2503 		}
2504 		scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
2505 	} else {
2506 		process_event(scr, sample, evsel, &al, &addr_al, machine);
2507 	}
2508 
2509 out_put:
2510 	addr_location__exit(&addr_al);
2511 	addr_location__exit(&al);
2512 	return ret;
2513 }
2514 
2515 // Used when scr->per_event_dump is not set
2516 static struct evsel_script es_stdout;
2517 
process_attr(const struct perf_tool * tool,union perf_event * event,struct evlist ** pevlist)2518 static int process_attr(const struct perf_tool *tool, union perf_event *event,
2519 			struct evlist **pevlist)
2520 {
2521 	struct perf_script *scr = container_of(tool, struct perf_script, tool);
2522 	struct evlist *evlist;
2523 	struct evsel *evsel, *pos;
2524 	u64 sample_type;
2525 	int err;
2526 
2527 	err = perf_event__process_attr(tool, event, pevlist);
2528 	if (err)
2529 		return err;
2530 
2531 	evlist = *pevlist;
2532 	evsel = evlist__last(*pevlist);
2533 
2534 	if (!evsel->priv) {
2535 		if (scr->per_event_dump) {
2536 			evsel->priv = evsel_script__new(evsel, scr->session->data);
2537 			if (!evsel->priv)
2538 				return -ENOMEM;
2539 		} else { // Replicate what is done in perf_script__setup_per_event_dump()
2540 			es_stdout.fp = stdout;
2541 			evsel->priv = &es_stdout;
2542 		}
2543 	}
2544 
2545 	if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2546 	    evsel->core.attr.type != PERF_TYPE_SYNTH)
2547 		return 0;
2548 
2549 	evlist__for_each_entry(evlist, pos) {
2550 		if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2551 			return 0;
2552 	}
2553 
2554 	if (evsel->core.attr.sample_type) {
2555 		err = evsel__check_attr(evsel, scr->session);
2556 		if (err)
2557 			return err;
2558 	}
2559 
2560 	/*
2561 	 * Check if we need to enable callchains based
2562 	 * on events sample_type.
2563 	 */
2564 	sample_type = evlist__combined_sample_type(evlist);
2565 	callchain_param_setup(sample_type, perf_env__arch(perf_session__env(scr->session)));
2566 
2567 	/* Enable fields for callchain entries */
2568 	if (symbol_conf.use_callchain &&
2569 	    (sample_type & PERF_SAMPLE_CALLCHAIN ||
2570 	     sample_type & PERF_SAMPLE_BRANCH_STACK ||
2571 	     (sample_type & PERF_SAMPLE_REGS_USER &&
2572 	      sample_type & PERF_SAMPLE_STACK_USER))) {
2573 		int type = evsel__output_type(evsel);
2574 
2575 		if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
2576 			output[type].fields |= PERF_OUTPUT_IP;
2577 		if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
2578 			output[type].fields |= PERF_OUTPUT_SYM;
2579 	}
2580 	evsel__set_print_ip_opts(evsel);
2581 	return 0;
2582 }
2583 
print_event_with_time(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine,pid_t pid,pid_t tid,u64 timestamp)2584 static int print_event_with_time(const struct perf_tool *tool,
2585 				 union perf_event *event,
2586 				 struct perf_sample *sample,
2587 				 struct machine *machine,
2588 				 pid_t pid, pid_t tid, u64 timestamp)
2589 {
2590 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2591 	struct perf_session *session = script->session;
2592 	struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
2593 	struct thread *thread = NULL;
2594 
2595 	if (evsel && !evsel->core.attr.sample_id_all) {
2596 		sample->cpu = 0;
2597 		sample->time = timestamp;
2598 		sample->pid = pid;
2599 		sample->tid = tid;
2600 	}
2601 
2602 	if (filter_cpu(sample))
2603 		return 0;
2604 
2605 	if (tid != -1)
2606 		thread = machine__findnew_thread(machine, pid, tid);
2607 
2608 	if (evsel) {
2609 		perf_sample__fprintf_start(script, sample, thread, evsel,
2610 					   event->header.type, stdout);
2611 	}
2612 
2613 	perf_event__fprintf(event, machine, stdout);
2614 
2615 	thread__put(thread);
2616 
2617 	return 0;
2618 }
2619 
print_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine,pid_t pid,pid_t tid)2620 static int print_event(const struct perf_tool *tool, union perf_event *event,
2621 		       struct perf_sample *sample, struct machine *machine,
2622 		       pid_t pid, pid_t tid)
2623 {
2624 	return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2625 }
2626 
process_comm_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2627 static int process_comm_event(const struct perf_tool *tool,
2628 			      union perf_event *event,
2629 			      struct perf_sample *sample,
2630 			      struct machine *machine)
2631 {
2632 	if (perf_event__process_comm(tool, event, sample, machine) < 0)
2633 		return -1;
2634 
2635 	return print_event(tool, event, sample, machine, event->comm.pid,
2636 			   event->comm.tid);
2637 }
2638 
process_namespaces_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2639 static int process_namespaces_event(const struct perf_tool *tool,
2640 				    union perf_event *event,
2641 				    struct perf_sample *sample,
2642 				    struct machine *machine)
2643 {
2644 	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2645 		return -1;
2646 
2647 	return print_event(tool, event, sample, machine, event->namespaces.pid,
2648 			   event->namespaces.tid);
2649 }
2650 
process_cgroup_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2651 static int process_cgroup_event(const struct perf_tool *tool,
2652 				union perf_event *event,
2653 				struct perf_sample *sample,
2654 				struct machine *machine)
2655 {
2656 	if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2657 		return -1;
2658 
2659 	return print_event(tool, event, sample, machine, sample->pid,
2660 			    sample->tid);
2661 }
2662 
process_fork_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2663 static int process_fork_event(const struct perf_tool *tool,
2664 			      union perf_event *event,
2665 			      struct perf_sample *sample,
2666 			      struct machine *machine)
2667 {
2668 	if (perf_event__process_fork(tool, event, sample, machine) < 0)
2669 		return -1;
2670 
2671 	return print_event_with_time(tool, event, sample, machine,
2672 				     event->fork.pid, event->fork.tid,
2673 				     event->fork.time);
2674 }
process_exit_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2675 static int process_exit_event(const struct perf_tool *tool,
2676 			      union perf_event *event,
2677 			      struct perf_sample *sample,
2678 			      struct machine *machine)
2679 {
2680 	/* Print before 'exit' deletes anything */
2681 	if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2682 				  event->fork.tid, event->fork.time))
2683 		return -1;
2684 
2685 	return perf_event__process_exit(tool, event, sample, machine);
2686 }
2687 
process_mmap_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2688 static int process_mmap_event(const struct perf_tool *tool,
2689 			      union perf_event *event,
2690 			      struct perf_sample *sample,
2691 			      struct machine *machine)
2692 {
2693 	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2694 		return -1;
2695 
2696 	return print_event(tool, event, sample, machine, event->mmap.pid,
2697 			   event->mmap.tid);
2698 }
2699 
process_mmap2_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2700 static int process_mmap2_event(const struct perf_tool *tool,
2701 			      union perf_event *event,
2702 			      struct perf_sample *sample,
2703 			      struct machine *machine)
2704 {
2705 	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2706 		return -1;
2707 
2708 	return print_event(tool, event, sample, machine, event->mmap2.pid,
2709 			   event->mmap2.tid);
2710 }
2711 
process_switch_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2712 static int process_switch_event(const struct perf_tool *tool,
2713 				union perf_event *event,
2714 				struct perf_sample *sample,
2715 				struct machine *machine)
2716 {
2717 	struct perf_script *script = container_of(tool, struct perf_script, tool);
2718 
2719 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
2720 		return -1;
2721 
2722 	if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
2723 		scripting_ops->process_switch(event, sample, machine);
2724 
2725 	if (!script->show_switch_events)
2726 		return 0;
2727 
2728 	return print_event(tool, event, sample, machine, sample->pid,
2729 			   sample->tid);
2730 }
2731 
process_auxtrace_error(struct perf_session * session,union perf_event * event)2732 static int process_auxtrace_error(struct perf_session *session,
2733 				  union perf_event *event)
2734 {
2735 	if (scripting_ops && scripting_ops->process_auxtrace_error) {
2736 		scripting_ops->process_auxtrace_error(session, event);
2737 		return 0;
2738 	}
2739 
2740 	return perf_event__process_auxtrace_error(session, event);
2741 }
2742 
2743 static int
process_lost_event(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2744 process_lost_event(const struct perf_tool *tool,
2745 		   union perf_event *event,
2746 		   struct perf_sample *sample,
2747 		   struct machine *machine)
2748 {
2749 	return print_event(tool, event, sample, machine, sample->pid,
2750 			   sample->tid);
2751 }
2752 
2753 static int
process_throttle_event(const struct perf_tool * tool __maybe_unused,union perf_event * event,struct perf_sample * sample,struct machine * machine)2754 process_throttle_event(const struct perf_tool *tool __maybe_unused,
2755 		       union perf_event *event,
2756 		       struct perf_sample *sample,
2757 		       struct machine *machine)
2758 {
2759 	if (scripting_ops && scripting_ops->process_throttle)
2760 		scripting_ops->process_throttle(event, sample, machine);
2761 	return 0;
2762 }
2763 
2764 static int
process_finished_round_event(const struct perf_tool * tool __maybe_unused,union perf_event * event,struct ordered_events * oe __maybe_unused)2765 process_finished_round_event(const struct perf_tool *tool __maybe_unused,
2766 			     union perf_event *event,
2767 			     struct ordered_events *oe __maybe_unused)
2768 
2769 {
2770 	perf_event__fprintf(event, NULL, stdout);
2771 	return 0;
2772 }
2773 
2774 static int
process_bpf_events(const struct perf_tool * tool __maybe_unused,union perf_event * event,struct perf_sample * sample,struct machine * machine)2775 process_bpf_events(const struct perf_tool *tool __maybe_unused,
2776 		   union perf_event *event,
2777 		   struct perf_sample *sample,
2778 		   struct machine *machine)
2779 {
2780 	if (machine__process_ksymbol(machine, event, sample) < 0)
2781 		return -1;
2782 
2783 	return print_event(tool, event, sample, machine, sample->pid,
2784 			   sample->tid);
2785 }
2786 
2787 static int
process_bpf_metadata_event(struct perf_session * session __maybe_unused,union perf_event * event)2788 process_bpf_metadata_event(struct perf_session *session __maybe_unused,
2789 			   union perf_event *event)
2790 {
2791 	perf_event__fprintf(event, NULL, stdout);
2792 	return 0;
2793 }
2794 
process_text_poke_events(const struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct machine * machine)2795 static int process_text_poke_events(const struct perf_tool *tool,
2796 				    union perf_event *event,
2797 				    struct perf_sample *sample,
2798 				    struct machine *machine)
2799 {
2800 	if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
2801 		return -1;
2802 
2803 	return print_event(tool, event, sample, machine, sample->pid,
2804 			   sample->tid);
2805 }
2806 
sig_handler(int sig __maybe_unused)2807 static void sig_handler(int sig __maybe_unused)
2808 {
2809 	session_done = 1;
2810 }
2811 
perf_script__fclose_per_event_dump(struct perf_script * script)2812 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2813 {
2814 	struct evlist *evlist = script->session->evlist;
2815 	struct evsel *evsel;
2816 
2817 	evlist__for_each_entry(evlist, evsel) {
2818 		if (!evsel->priv)
2819 			break;
2820 		evsel_script__delete(evsel->priv);
2821 		evsel->priv = NULL;
2822 	}
2823 }
2824 
perf_script__fopen_per_event_dump(struct perf_script * script)2825 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2826 {
2827 	struct evsel *evsel;
2828 
2829 	evlist__for_each_entry(script->session->evlist, evsel) {
2830 		/*
2831 		 * Already setup? I.e. we may be called twice in cases like
2832 		 * Intel PT, one for the intel_pt// and dummy events, then
2833 		 * for the evsels synthesized from the auxtrace info.
2834 		 *
2835 		 * Ses perf_script__process_auxtrace_info.
2836 		 */
2837 		if (evsel->priv != NULL)
2838 			continue;
2839 
2840 		evsel->priv = evsel_script__new(evsel, script->session->data);
2841 		if (evsel->priv == NULL)
2842 			goto out_err_fclose;
2843 	}
2844 
2845 	return 0;
2846 
2847 out_err_fclose:
2848 	perf_script__fclose_per_event_dump(script);
2849 	return -1;
2850 }
2851 
perf_script__setup_per_event_dump(struct perf_script * script)2852 static int perf_script__setup_per_event_dump(struct perf_script *script)
2853 {
2854 	struct evsel *evsel;
2855 
2856 	if (script->per_event_dump)
2857 		return perf_script__fopen_per_event_dump(script);
2858 
2859 	es_stdout.fp = stdout;
2860 
2861 	evlist__for_each_entry(script->session->evlist, evsel)
2862 		evsel->priv = &es_stdout;
2863 
2864 	return 0;
2865 }
2866 
perf_script__exit_per_event_dump_stats(struct perf_script * script)2867 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2868 {
2869 	struct evsel *evsel;
2870 
2871 	evlist__for_each_entry(script->session->evlist, evsel) {
2872 		struct evsel_script *es = evsel->priv;
2873 
2874 		evsel_script__fprintf(es, stdout);
2875 		evsel_script__delete(es);
2876 		evsel->priv = NULL;
2877 	}
2878 }
2879 
perf_script__exit(struct perf_script * script)2880 static void perf_script__exit(struct perf_script *script)
2881 {
2882 	perf_thread_map__put(script->threads);
2883 	perf_cpu_map__put(script->cpus);
2884 }
2885 
__cmd_script(struct perf_script * script)2886 static int __cmd_script(struct perf_script *script)
2887 {
2888 	int ret;
2889 
2890 	signal(SIGINT, sig_handler);
2891 
2892 	/* override event processing functions */
2893 	if (script->show_task_events) {
2894 		script->tool.comm = process_comm_event;
2895 		script->tool.fork = process_fork_event;
2896 		script->tool.exit = process_exit_event;
2897 	}
2898 	if (script->show_mmap_events) {
2899 		script->tool.mmap = process_mmap_event;
2900 		script->tool.mmap2 = process_mmap2_event;
2901 	}
2902 	if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2903 		script->tool.context_switch = process_switch_event;
2904 	if (scripting_ops && scripting_ops->process_auxtrace_error)
2905 		script->tool.auxtrace_error = process_auxtrace_error;
2906 	if (script->show_namespace_events)
2907 		script->tool.namespaces = process_namespaces_event;
2908 	if (script->show_cgroup_events)
2909 		script->tool.cgroup = process_cgroup_event;
2910 	if (script->show_lost_events)
2911 		script->tool.lost = process_lost_event;
2912 	if (script->show_round_events) {
2913 		script->tool.ordered_events = false;
2914 		script->tool.finished_round = process_finished_round_event;
2915 	}
2916 	if (script->show_bpf_events) {
2917 		script->tool.ksymbol	  = process_bpf_events;
2918 		script->tool.bpf	  = process_bpf_events;
2919 		script->tool.bpf_metadata = process_bpf_metadata_event;
2920 	}
2921 	if (script->show_text_poke_events) {
2922 		script->tool.ksymbol   = process_bpf_events;
2923 		script->tool.text_poke = process_text_poke_events;
2924 	}
2925 
2926 	if (perf_script__setup_per_event_dump(script)) {
2927 		pr_err("Couldn't create the per event dump files\n");
2928 		return -1;
2929 	}
2930 
2931 	ret = perf_session__process_events(script->session);
2932 
2933 	if (script->per_event_dump)
2934 		perf_script__exit_per_event_dump_stats(script);
2935 
2936 	if (debug_mode)
2937 		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2938 
2939 	return ret;
2940 }
2941 
list_available_languages_cb(struct scripting_ops * ops,const char * spec)2942 static int list_available_languages_cb(struct scripting_ops *ops, const char *spec)
2943 {
2944 	fprintf(stderr, "  %-42s [%s]\n", spec, ops->name);
2945 	return 0;
2946 }
2947 
list_available_languages(void)2948 static void list_available_languages(void)
2949 {
2950 	fprintf(stderr, "\n");
2951 	fprintf(stderr, "Scripting language extensions (used in "
2952 		"perf script -s [spec:]script.[spec]):\n\n");
2953 	script_spec__for_each(&list_available_languages_cb);
2954 	fprintf(stderr, "\n");
2955 }
2956 
2957 /* Find script file relative to current directory or exec path */
find_script(const char * script)2958 static char *find_script(const char *script)
2959 {
2960 	char path[PATH_MAX];
2961 
2962 	if (!scripting_ops) {
2963 		const char *ext = strrchr(script, '.');
2964 
2965 		if (!ext)
2966 			return NULL;
2967 
2968 		scripting_ops = script_spec__lookup(++ext);
2969 		if (!scripting_ops)
2970 			return NULL;
2971 	}
2972 
2973 	if (access(script, R_OK)) {
2974 		char *exec_path = get_argv_exec_path();
2975 
2976 		if (!exec_path)
2977 			return NULL;
2978 		snprintf(path, sizeof(path), "%s/scripts/%s/%s",
2979 			 exec_path, scripting_ops->dirname, script);
2980 		free(exec_path);
2981 		script = path;
2982 		if (access(script, R_OK))
2983 			return NULL;
2984 	}
2985 	return strdup(script);
2986 }
2987 
parse_scriptname(const struct option * opt __maybe_unused,const char * str,int unset __maybe_unused)2988 static int parse_scriptname(const struct option *opt __maybe_unused,
2989 			    const char *str, int unset __maybe_unused)
2990 {
2991 	char spec[PATH_MAX];
2992 	const char *script, *ext;
2993 	int len;
2994 
2995 	if (strcmp(str, "lang") == 0) {
2996 		list_available_languages();
2997 		exit(0);
2998 	}
2999 
3000 	script = strchr(str, ':');
3001 	if (script) {
3002 		len = script - str;
3003 		if (len >= PATH_MAX) {
3004 			fprintf(stderr, "invalid language specifier");
3005 			return -1;
3006 		}
3007 		strncpy(spec, str, len);
3008 		spec[len] = '\0';
3009 		scripting_ops = script_spec__lookup(spec);
3010 		if (!scripting_ops) {
3011 			fprintf(stderr, "invalid language specifier");
3012 			return -1;
3013 		}
3014 		script++;
3015 	} else {
3016 		script = str;
3017 		ext = strrchr(script, '.');
3018 		if (!ext) {
3019 			fprintf(stderr, "invalid script extension");
3020 			return -1;
3021 		}
3022 		scripting_ops = script_spec__lookup(++ext);
3023 		if (!scripting_ops) {
3024 			fprintf(stderr, "invalid script extension");
3025 			return -1;
3026 		}
3027 	}
3028 
3029 	script_name = find_script(script);
3030 	if (!script_name)
3031 		script_name = strdup(script);
3032 
3033 	return 0;
3034 }
3035 
parse_output_fields(const struct option * opt __maybe_unused,const char * arg,int unset __maybe_unused)3036 static int parse_output_fields(const struct option *opt __maybe_unused,
3037 			    const char *arg, int unset __maybe_unused)
3038 {
3039 	char *tok, *strtok_saveptr = NULL;
3040 	int i, imax = ARRAY_SIZE(all_output_options);
3041 	int j;
3042 	int rc = 0;
3043 	char *str = strdup(arg);
3044 	int type = -1;
3045 	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
3046 
3047 	if (!str)
3048 		return -ENOMEM;
3049 
3050 	/* first word can state for which event type the user is specifying
3051 	 * the fields. If no type exists, the specified fields apply to all
3052 	 * event types found in the file minus the invalid fields for a type.
3053 	 */
3054 	tok = strchr(str, ':');
3055 	if (tok) {
3056 		*tok = '\0';
3057 		tok++;
3058 		if (!strcmp(str, "hw"))
3059 			type = PERF_TYPE_HARDWARE;
3060 		else if (!strcmp(str, "sw"))
3061 			type = PERF_TYPE_SOFTWARE;
3062 		else if (!strcmp(str, "trace"))
3063 			type = PERF_TYPE_TRACEPOINT;
3064 		else if (!strcmp(str, "raw"))
3065 			type = PERF_TYPE_RAW;
3066 		else if (!strcmp(str, "break"))
3067 			type = PERF_TYPE_BREAKPOINT;
3068 		else if (!strcmp(str, "synth"))
3069 			type = OUTPUT_TYPE_SYNTH;
3070 		else {
3071 			fprintf(stderr, "Invalid event type in field string.\n");
3072 			rc = -EINVAL;
3073 			goto out;
3074 		}
3075 
3076 		if (output[type].user_set)
3077 			pr_warning("Overriding previous field request for %s events.\n",
3078 				   event_type(type));
3079 
3080 		/* Don't override defaults for +- */
3081 		if (strchr(tok, '+') || strchr(tok, '-'))
3082 			goto parse;
3083 
3084 		output[type].fields = 0;
3085 		output[type].user_set = true;
3086 		output[type].wildcard_set = false;
3087 
3088 	} else {
3089 		tok = str;
3090 		if (strlen(str) == 0) {
3091 			fprintf(stderr,
3092 				"Cannot set fields to 'none' for all event types.\n");
3093 			rc = -EINVAL;
3094 			goto out;
3095 		}
3096 
3097 		/* Don't override defaults for +- */
3098 		if (strchr(str, '+') || strchr(str, '-'))
3099 			goto parse;
3100 
3101 		if (output_set_by_user())
3102 			pr_warning("Overriding previous field request for all events.\n");
3103 
3104 		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3105 			output[j].fields = 0;
3106 			output[j].user_set = true;
3107 			output[j].wildcard_set = true;
3108 		}
3109 	}
3110 
3111 parse:
3112 	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
3113 		if (*tok == '+') {
3114 			if (change == SET)
3115 				goto out_badmix;
3116 			change = ADD;
3117 			tok++;
3118 		} else if (*tok == '-') {
3119 			if (change == SET)
3120 				goto out_badmix;
3121 			change = REMOVE;
3122 			tok++;
3123 		} else {
3124 			if (change != SET && change != DEFAULT)
3125 				goto out_badmix;
3126 			change = SET;
3127 		}
3128 
3129 		for (i = 0; i < imax; ++i) {
3130 			if (strcmp(tok, all_output_options[i].str) == 0)
3131 				break;
3132 		}
3133 		if (i == imax && strcmp(tok, "flags") == 0) {
3134 			print_flags = change != REMOVE;
3135 			continue;
3136 		}
3137 		if (i == imax) {
3138 			fprintf(stderr, "Invalid field requested.\n");
3139 			rc = -EINVAL;
3140 			goto out;
3141 		}
3142 #ifndef HAVE_LIBCAPSTONE_SUPPORT
3143 		if (change != REMOVE && strcmp(tok, "disasm") == 0) {
3144 			fprintf(stderr, "Field \"disasm\" requires perf to be built with libcapstone support.\n");
3145 			rc = -EINVAL;
3146 			goto out;
3147 		}
3148 #endif
3149 
3150 		if (type == -1) {
3151 			/* add user option to all events types for
3152 			 * which it is valid
3153 			 */
3154 			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
3155 				if (output[j].invalid_fields & all_output_options[i].field) {
3156 					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
3157 						   all_output_options[i].str, event_type(j));
3158 				} else {
3159 					if (change == REMOVE) {
3160 						output[j].fields &= ~all_output_options[i].field;
3161 						output[j].user_set_fields &= ~all_output_options[i].field;
3162 						output[j].user_unset_fields |= all_output_options[i].field;
3163 					} else {
3164 						output[j].fields |= all_output_options[i].field;
3165 						output[j].user_set_fields |= all_output_options[i].field;
3166 						output[j].user_unset_fields &= ~all_output_options[i].field;
3167 					}
3168 					output[j].user_set = true;
3169 					output[j].wildcard_set = true;
3170 				}
3171 			}
3172 		} else {
3173 			if (output[type].invalid_fields & all_output_options[i].field) {
3174 				fprintf(stderr, "\'%s\' not valid for %s events.\n",
3175 					 all_output_options[i].str, event_type(type));
3176 
3177 				rc = -EINVAL;
3178 				goto out;
3179 			}
3180 			if (change == REMOVE)
3181 				output[type].fields &= ~all_output_options[i].field;
3182 			else
3183 				output[type].fields |= all_output_options[i].field;
3184 			output[type].user_set = true;
3185 			output[type].wildcard_set = true;
3186 		}
3187 	}
3188 
3189 	if (type >= 0) {
3190 		if (output[type].fields == 0) {
3191 			pr_debug("No fields requested for %s type. "
3192 				 "Events will not be displayed.\n", event_type(type));
3193 		}
3194 	}
3195 	goto out;
3196 
3197 out_badmix:
3198 	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
3199 	rc = -EINVAL;
3200 out:
3201 	free(str);
3202 	return rc;
3203 }
3204 
3205 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
3206 	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
3207 		if ((lang_dirent->d_type == DT_DIR ||			\
3208 		     (lang_dirent->d_type == DT_UNKNOWN &&		\
3209 		      is_directory(scripts_path, lang_dirent))) &&	\
3210 		    (strcmp(lang_dirent->d_name, ".")) &&		\
3211 		    (strcmp(lang_dirent->d_name, "..")))
3212 
3213 #define for_each_script(lang_path, lang_dir, script_dirent)		\
3214 	while ((script_dirent = readdir(lang_dir)) != NULL)		\
3215 		if (script_dirent->d_type != DT_DIR &&			\
3216 		    (script_dirent->d_type != DT_UNKNOWN ||		\
3217 		     !is_directory(lang_path, script_dirent)))
3218 
3219 
3220 #define RECORD_SUFFIX			"-record"
3221 #define REPORT_SUFFIX			"-report"
3222 
3223 struct script_desc {
3224 	struct list_head	node;
3225 	char			*name;
3226 	char			*half_liner;
3227 	char			*args;
3228 };
3229 
3230 static LIST_HEAD(script_descs);
3231 
script_desc__new(const char * name)3232 static struct script_desc *script_desc__new(const char *name)
3233 {
3234 	struct script_desc *s = zalloc(sizeof(*s));
3235 
3236 	if (s != NULL && name)
3237 		s->name = strdup(name);
3238 
3239 	return s;
3240 }
3241 
script_desc__delete(struct script_desc * s)3242 static void script_desc__delete(struct script_desc *s)
3243 {
3244 	zfree(&s->name);
3245 	zfree(&s->half_liner);
3246 	zfree(&s->args);
3247 	free(s);
3248 }
3249 
script_desc__add(struct script_desc * s)3250 static void script_desc__add(struct script_desc *s)
3251 {
3252 	list_add_tail(&s->node, &script_descs);
3253 }
3254 
script_desc__find(const char * name)3255 static struct script_desc *script_desc__find(const char *name)
3256 {
3257 	struct script_desc *s;
3258 
3259 	list_for_each_entry(s, &script_descs, node)
3260 		if (strcasecmp(s->name, name) == 0)
3261 			return s;
3262 	return NULL;
3263 }
3264 
script_desc__findnew(const char * name)3265 static struct script_desc *script_desc__findnew(const char *name)
3266 {
3267 	struct script_desc *s = script_desc__find(name);
3268 
3269 	if (s)
3270 		return s;
3271 
3272 	s = script_desc__new(name);
3273 	if (!s)
3274 		return NULL;
3275 
3276 	script_desc__add(s);
3277 
3278 	return s;
3279 }
3280 
ends_with(const char * str,const char * suffix)3281 static const char *ends_with(const char *str, const char *suffix)
3282 {
3283 	size_t suffix_len = strlen(suffix);
3284 	const char *p = str;
3285 
3286 	if (strlen(str) > suffix_len) {
3287 		p = str + strlen(str) - suffix_len;
3288 		if (!strncmp(p, suffix, suffix_len))
3289 			return p;
3290 	}
3291 
3292 	return NULL;
3293 }
3294 
read_script_info(struct script_desc * desc,const char * filename)3295 static int read_script_info(struct script_desc *desc, const char *filename)
3296 {
3297 	char line[BUFSIZ], *p;
3298 	FILE *fp;
3299 
3300 	fp = fopen(filename, "r");
3301 	if (!fp)
3302 		return -1;
3303 
3304 	while (fgets(line, sizeof(line), fp)) {
3305 		p = skip_spaces(line);
3306 		if (strlen(p) == 0)
3307 			continue;
3308 		if (*p != '#')
3309 			continue;
3310 		p++;
3311 		if (strlen(p) && *p == '!')
3312 			continue;
3313 
3314 		p = skip_spaces(p);
3315 		if (strlen(p) && p[strlen(p) - 1] == '\n')
3316 			p[strlen(p) - 1] = '\0';
3317 
3318 		if (!strncmp(p, "description:", strlen("description:"))) {
3319 			p += strlen("description:");
3320 			desc->half_liner = strdup(skip_spaces(p));
3321 			continue;
3322 		}
3323 
3324 		if (!strncmp(p, "args:", strlen("args:"))) {
3325 			p += strlen("args:");
3326 			desc->args = strdup(skip_spaces(p));
3327 			continue;
3328 		}
3329 	}
3330 
3331 	fclose(fp);
3332 
3333 	return 0;
3334 }
3335 
get_script_root(struct dirent * script_dirent,const char * suffix)3336 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
3337 {
3338 	char *script_root, *str;
3339 
3340 	script_root = strdup(script_dirent->d_name);
3341 	if (!script_root)
3342 		return NULL;
3343 
3344 	str = (char *)ends_with(script_root, suffix);
3345 	if (!str) {
3346 		free(script_root);
3347 		return NULL;
3348 	}
3349 
3350 	*str = '\0';
3351 	return script_root;
3352 }
3353 
list_available_scripts(const struct option * opt __maybe_unused,const char * s __maybe_unused,int unset __maybe_unused)3354 static int list_available_scripts(const struct option *opt __maybe_unused,
3355 				  const char *s __maybe_unused,
3356 				  int unset __maybe_unused)
3357 {
3358 	struct dirent *script_dirent, *lang_dirent;
3359 	char *buf, *scripts_path, *script_path, *lang_path, *first_half;
3360 	DIR *scripts_dir, *lang_dir;
3361 	struct script_desc *desc;
3362 	char *script_root;
3363 
3364 	buf = malloc(3 * MAXPATHLEN + BUFSIZ);
3365 	if (!buf) {
3366 		pr_err("malloc failed\n");
3367 		exit(-1);
3368 	}
3369 	scripts_path = buf;
3370 	script_path = buf + MAXPATHLEN;
3371 	lang_path = buf + 2 * MAXPATHLEN;
3372 	first_half = buf + 3 * MAXPATHLEN;
3373 
3374 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3375 
3376 	scripts_dir = opendir(scripts_path);
3377 	if (!scripts_dir) {
3378 		fprintf(stdout,
3379 			"open(%s) failed.\n"
3380 			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
3381 			scripts_path);
3382 		free(buf);
3383 		exit(-1);
3384 	}
3385 
3386 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3387 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3388 			  lang_dirent->d_name);
3389 		lang_dir = opendir(lang_path);
3390 		if (!lang_dir)
3391 			continue;
3392 
3393 		for_each_script(lang_path, lang_dir, script_dirent) {
3394 			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
3395 			if (script_root) {
3396 				desc = script_desc__findnew(script_root);
3397 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3398 					  lang_path, script_dirent->d_name);
3399 				read_script_info(desc, script_path);
3400 				free(script_root);
3401 			}
3402 		}
3403 	}
3404 
3405 	fprintf(stdout, "List of available trace scripts:\n");
3406 	list_for_each_entry(desc, &script_descs, node) {
3407 		sprintf(first_half, "%s %s", desc->name,
3408 			desc->args ? desc->args : "");
3409 		fprintf(stdout, "  %-36s %s\n", first_half,
3410 			desc->half_liner ? desc->half_liner : "");
3411 	}
3412 
3413 	free(buf);
3414 	exit(0);
3415 }
3416 
add_dlarg(const struct option * opt __maybe_unused,const char * s,int unset __maybe_unused)3417 static int add_dlarg(const struct option *opt __maybe_unused,
3418 		     const char *s, int unset __maybe_unused)
3419 {
3420 	char *arg = strdup(s);
3421 	void *a;
3422 
3423 	if (!arg)
3424 		return -1;
3425 
3426 	a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
3427 	if (!a) {
3428 		free(arg);
3429 		return -1;
3430 	}
3431 
3432 	dlargv = a;
3433 	dlargv[dlargc++] = arg;
3434 
3435 	return 0;
3436 }
3437 
free_dlarg(void)3438 static void free_dlarg(void)
3439 {
3440 	while (dlargc--)
3441 		free(dlargv[dlargc]);
3442 	free(dlargv);
3443 }
3444 
get_script_path(const char * script_root,const char * suffix)3445 static char *get_script_path(const char *script_root, const char *suffix)
3446 {
3447 	struct dirent *script_dirent, *lang_dirent;
3448 	char scripts_path[MAXPATHLEN];
3449 	char script_path[MAXPATHLEN];
3450 	DIR *scripts_dir, *lang_dir;
3451 	char lang_path[MAXPATHLEN];
3452 	char *__script_root;
3453 
3454 	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3455 
3456 	scripts_dir = opendir(scripts_path);
3457 	if (!scripts_dir)
3458 		return NULL;
3459 
3460 	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3461 		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3462 			  lang_dirent->d_name);
3463 		lang_dir = opendir(lang_path);
3464 		if (!lang_dir)
3465 			continue;
3466 
3467 		for_each_script(lang_path, lang_dir, script_dirent) {
3468 			__script_root = get_script_root(script_dirent, suffix);
3469 			if (__script_root && !strcmp(script_root, __script_root)) {
3470 				free(__script_root);
3471 				closedir(scripts_dir);
3472 				scnprintf(script_path, MAXPATHLEN, "%s/%s",
3473 					  lang_path, script_dirent->d_name);
3474 				closedir(lang_dir);
3475 				return strdup(script_path);
3476 			}
3477 			free(__script_root);
3478 		}
3479 		closedir(lang_dir);
3480 	}
3481 	closedir(scripts_dir);
3482 
3483 	return NULL;
3484 }
3485 
is_top_script(const char * script_path)3486 static bool is_top_script(const char *script_path)
3487 {
3488 	return ends_with(script_path, "top") != NULL;
3489 }
3490 
has_required_arg(char * script_path)3491 static int has_required_arg(char *script_path)
3492 {
3493 	struct script_desc *desc;
3494 	int n_args = 0;
3495 	char *p;
3496 
3497 	desc = script_desc__new(NULL);
3498 
3499 	if (read_script_info(desc, script_path))
3500 		goto out;
3501 
3502 	if (!desc->args)
3503 		goto out;
3504 
3505 	for (p = desc->args; *p; p++)
3506 		if (*p == '<')
3507 			n_args++;
3508 out:
3509 	script_desc__delete(desc);
3510 
3511 	return n_args;
3512 }
3513 
have_cmd(int argc,const char ** argv)3514 static int have_cmd(int argc, const char **argv)
3515 {
3516 	char **__argv = malloc(sizeof(const char *) * argc);
3517 
3518 	if (!__argv) {
3519 		pr_err("malloc failed\n");
3520 		return -1;
3521 	}
3522 
3523 	memcpy(__argv, argv, sizeof(const char *) * argc);
3524 	argc = parse_options(argc, (const char **)__argv, record_options,
3525 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3526 	free(__argv);
3527 
3528 	system_wide = (argc == 0);
3529 
3530 	return 0;
3531 }
3532 
script__setup_sample_type(struct perf_script * script)3533 static void script__setup_sample_type(struct perf_script *script)
3534 {
3535 	struct perf_session *session = script->session;
3536 	u64 sample_type = evlist__combined_sample_type(session->evlist);
3537 
3538 	callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
3539 
3540 	if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3541 		pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3542 			   "Please apply --call-graph lbr when recording.\n");
3543 		script->stitch_lbr = false;
3544 	}
3545 }
3546 
process_stat_round_event(struct perf_session * session,union perf_event * event)3547 static int process_stat_round_event(struct perf_session *session,
3548 				    union perf_event *event)
3549 {
3550 	struct perf_record_stat_round *round = &event->stat_round;
3551 	struct evsel *counter;
3552 
3553 	evlist__for_each_entry(session->evlist, counter) {
3554 		perf_stat_process_counter(&stat_config, counter);
3555 		process_stat(counter, round->time);
3556 	}
3557 
3558 	process_stat_interval(round->time);
3559 	return 0;
3560 }
3561 
process_stat_config_event(struct perf_session * session __maybe_unused,union perf_event * event)3562 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3563 				     union perf_event *event)
3564 {
3565 	perf_event__read_stat_config(&stat_config, &event->stat_config);
3566 
3567 	/*
3568 	 * Aggregation modes are not used since post-processing scripts are
3569 	 * supposed to take care of such requirements
3570 	 */
3571 	stat_config.aggr_mode = AGGR_NONE;
3572 
3573 	return 0;
3574 }
3575 
set_maps(struct perf_script * script)3576 static int set_maps(struct perf_script *script)
3577 {
3578 	struct evlist *evlist = script->session->evlist;
3579 
3580 	if (!script->cpus || !script->threads)
3581 		return 0;
3582 
3583 	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3584 		return -EINVAL;
3585 
3586 	perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3587 
3588 	if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
3589 		return -ENOMEM;
3590 
3591 	script->allocated = true;
3592 	return 0;
3593 }
3594 
3595 static
process_thread_map_event(struct perf_session * session,union perf_event * event)3596 int process_thread_map_event(struct perf_session *session,
3597 			     union perf_event *event)
3598 {
3599 	const struct perf_tool *tool = session->tool;
3600 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3601 
3602 	if (dump_trace)
3603 		perf_event__fprintf_thread_map(event, stdout);
3604 
3605 	if (script->threads) {
3606 		pr_warning("Extra thread map event, ignoring.\n");
3607 		return 0;
3608 	}
3609 
3610 	script->threads = thread_map__new_event(&event->thread_map);
3611 	if (!script->threads)
3612 		return -ENOMEM;
3613 
3614 	return set_maps(script);
3615 }
3616 
3617 static
process_cpu_map_event(struct perf_session * session,union perf_event * event)3618 int process_cpu_map_event(struct perf_session *session,
3619 			  union perf_event *event)
3620 {
3621 	const struct perf_tool *tool = session->tool;
3622 	struct perf_script *script = container_of(tool, struct perf_script, tool);
3623 
3624 	if (dump_trace)
3625 		perf_event__fprintf_cpu_map(event, stdout);
3626 
3627 	if (script->cpus) {
3628 		pr_warning("Extra cpu map event, ignoring.\n");
3629 		return 0;
3630 	}
3631 
3632 	script->cpus = cpu_map__new_data(&event->cpu_map.data);
3633 	if (!script->cpus)
3634 		return -ENOMEM;
3635 
3636 	return set_maps(script);
3637 }
3638 
process_feature_event(struct perf_session * session,union perf_event * event)3639 static int process_feature_event(struct perf_session *session,
3640 				 union perf_event *event)
3641 {
3642 	if (event->feat.feat_id < HEADER_LAST_FEATURE)
3643 		return perf_event__process_feature(session, event);
3644 	return 0;
3645 }
3646 
3647 #ifdef HAVE_AUXTRACE_SUPPORT
perf_script__process_auxtrace_info(struct perf_session * session,union perf_event * event)3648 static int perf_script__process_auxtrace_info(struct perf_session *session,
3649 					      union perf_event *event)
3650 {
3651 	int ret = perf_event__process_auxtrace_info(session, event);
3652 
3653 	if (ret == 0) {
3654 		const struct perf_tool *tool = session->tool;
3655 		struct perf_script *script = container_of(tool, struct perf_script, tool);
3656 
3657 		ret = perf_script__setup_per_event_dump(script);
3658 	}
3659 
3660 	return ret;
3661 }
3662 #else
3663 #define perf_script__process_auxtrace_info 0
3664 #endif
3665 
parse_insn_trace(const struct option * opt __maybe_unused,const char * str,int unset __maybe_unused)3666 static int parse_insn_trace(const struct option *opt __maybe_unused,
3667 			    const char *str, int unset __maybe_unused)
3668 {
3669 	const char *fields = "+insn,-event,-period";
3670 	int ret;
3671 
3672 	if (str) {
3673 		if (strcmp(str, "disasm") == 0)
3674 			fields = "+disasm,-event,-period";
3675 		else if (strlen(str) != 0 && strcmp(str, "raw") != 0) {
3676 			fprintf(stderr, "Only accept raw|disasm\n");
3677 			return -EINVAL;
3678 		}
3679 	}
3680 
3681 	ret = parse_output_fields(NULL, fields, 0);
3682 	if (ret < 0)
3683 		return ret;
3684 
3685 	itrace_parse_synth_opts(opt, "i0nse", 0);
3686 	symbol_conf.nanosecs = true;
3687 	return 0;
3688 }
3689 
parse_xed(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3690 static int parse_xed(const struct option *opt __maybe_unused,
3691 		     const char *str __maybe_unused,
3692 		     int unset __maybe_unused)
3693 {
3694 	if (isatty(1))
3695 		force_pager("xed -F insn: -A -64 | less");
3696 	else
3697 		force_pager("xed -F insn: -A -64");
3698 	return 0;
3699 }
3700 
parse_call_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3701 static int parse_call_trace(const struct option *opt __maybe_unused,
3702 			    const char *str __maybe_unused,
3703 			    int unset __maybe_unused)
3704 {
3705 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3706 	itrace_parse_synth_opts(opt, "cewp", 0);
3707 	symbol_conf.nanosecs = true;
3708 	symbol_conf.pad_output_len_dso = 50;
3709 	return 0;
3710 }
3711 
parse_callret_trace(const struct option * opt __maybe_unused,const char * str __maybe_unused,int unset __maybe_unused)3712 static int parse_callret_trace(const struct option *opt __maybe_unused,
3713 			    const char *str __maybe_unused,
3714 			    int unset __maybe_unused)
3715 {
3716 	parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3717 	itrace_parse_synth_opts(opt, "crewp", 0);
3718 	symbol_conf.nanosecs = true;
3719 	return 0;
3720 }
3721 
cmd_script(int argc,const char ** argv)3722 int cmd_script(int argc, const char **argv)
3723 {
3724 	bool show_full_info = false;
3725 	bool header = false;
3726 	bool header_only = false;
3727 	bool script_started = false;
3728 	bool unsorted_dump = false;
3729 	char *rec_script_path = NULL;
3730 	char *rep_script_path = NULL;
3731 	struct perf_session *session;
3732 	struct itrace_synth_opts itrace_synth_opts = {
3733 		.set = false,
3734 		.default_no_sample = true,
3735 	};
3736 	struct utsname uts;
3737 	char *script_path = NULL;
3738 	const char *dlfilter_file = NULL;
3739 	const char **__argv;
3740 	int i, j, err = 0;
3741 	struct perf_script script = {};
3742 	struct perf_data data = {
3743 		.mode = PERF_DATA_MODE_READ,
3744 	};
3745 	const struct option options[] = {
3746 	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3747 		    "dump raw trace in ASCII"),
3748 	OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
3749 		    "dump unsorted raw trace in ASCII"),
3750 	OPT_INCR('v', "verbose", &verbose,
3751 		 "be more verbose (show symbol address, etc)"),
3752 	OPT_BOOLEAN('L', "Latency", &latency_format,
3753 		    "show latency attributes (irqs/preemption disabled, etc)"),
3754 	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3755 			   list_available_scripts),
3756 	OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
3757 			   list_available_dlfilters),
3758 	OPT_CALLBACK('s', "script", NULL, "name",
3759 		     "script file name (lang:script name, script name, or *)",
3760 		     parse_scriptname),
3761 	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3762 		   "generate perf-script.xx script in specified language"),
3763 	OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
3764 	OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
3765 		     add_dlarg),
3766 	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3767 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3768 		   "do various checks like samples ordering and lost events"),
3769 	OPT_BOOLEAN(0, "header", &header, "Show data header."),
3770 	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3771 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3772 		   "file", "vmlinux pathname"),
3773 	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3774 		   "file", "kallsyms pathname"),
3775 	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3776 		    "When printing symbols do not display call chain"),
3777 	OPT_CALLBACK(0, "symfs", NULL, "directory",
3778 		     "Look for files with symbols relative to this directory",
3779 		     symbol__config_symfs),
3780 	OPT_CALLBACK('F', "fields", NULL, "str",
3781 		     "comma separated output fields prepend with 'type:'. "
3782 		     "+field to add and -field to remove."
3783 		     "Valid types: hw,sw,trace,raw,synth. "
3784 		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
3785 		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
3786 		     "brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
3787 		     "brstackinsnlen,brstackdisasm,brstackoff,callindent,insn,disasm,insnlen,synth,"
3788 		     "phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
3789 		     "code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat,"
3790 		     "brcntr",
3791 		     parse_output_fields),
3792 	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3793 		    "system-wide collection from all CPUs"),
3794 	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
3795 		   "only consider symbols in these DSOs"),
3796 	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3797 		   "only consider these symbols"),
3798 	OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
3799 		    "Use with -S to list traced records within address range"),
3800 	OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm",
3801 			"Decode instructions from itrace", parse_insn_trace),
3802 	OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3803 			"Run xed disassembler on output", parse_xed),
3804 	OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3805 			"Decode calls from itrace", parse_call_trace),
3806 	OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3807 			"Decode calls and returns from itrace", parse_callret_trace),
3808 	OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3809 			"Only print symbols and callees with --call-trace/--call-ret-trace"),
3810 	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3811 		   "Stop display of callgraph at these symbols"),
3812 	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3813 	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3814 		   "only display events for these comms"),
3815 	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3816 		   "only consider symbols in these pids"),
3817 	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3818 		   "only consider symbols in these tids"),
3819 	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3820 		     "Set the maximum stack depth when parsing the callchain, "
3821 		     "anything beyond the specified depth will be ignored. "
3822 		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3823 	OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3824 	OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3825 	OPT_BOOLEAN('I', "show-info", &show_full_info,
3826 		    "display extended information from perf.data file"),
3827 	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3828 		    "Show the path of [kernel.kallsyms]"),
3829 	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3830 		    "Show the fork/comm/exit events"),
3831 	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3832 		    "Show the mmap events"),
3833 	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3834 		    "Show context switch events (if recorded)"),
3835 	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3836 		    "Show namespace events (if recorded)"),
3837 	OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3838 		    "Show cgroup events (if recorded)"),
3839 	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3840 		    "Show lost events (if recorded)"),
3841 	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3842 		    "Show round events (if recorded)"),
3843 	OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3844 		    "Show bpf related events (if recorded)"),
3845 	OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
3846 		    "Show text poke related events (if recorded)"),
3847 	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3848 		    "Dump trace output to files named by the monitored events"),
3849 	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3850 	OPT_INTEGER(0, "max-blocks", &max_blocks,
3851 		    "Maximum number of code blocks to dump with brstackinsn"),
3852 	OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3853 		    "Use 9 decimal places when displaying time"),
3854 	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3855 			    "Instruction Tracing options\n" ITRACE_HELP,
3856 			    itrace_parse_synth_opts),
3857 	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3858 			"Show full source file name path for source lines"),
3859 	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3860 			"Enable symbol demangling"),
3861 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3862 			"Enable kernel symbol demangling"),
3863 	OPT_STRING(0, "addr2line", &symbol_conf.addr2line_path, "path",
3864 			"addr2line binary to use for line numbers"),
3865 	OPT_STRING(0, "time", &script.time_str, "str",
3866 		   "Time span of interest (start,stop)"),
3867 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3868 		    "Show inline function"),
3869 	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3870 		   "guest mount directory under which every guest os"
3871 		   " instance has a subdir"),
3872 	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3873 		   "file", "file saving guest os vmlinux"),
3874 	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3875 		   "file", "file saving guest os /proc/kallsyms"),
3876 	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3877 		   "file", "file saving guest os /proc/modules"),
3878 	OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
3879 		    "Guest code can be found in hypervisor process"),
3880 	OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3881 		    "Enable LBR callgraph stitching approach"),
3882 	OPTS_EVSWITCH(&script.evswitch),
3883 	OPT_END()
3884 	};
3885 	const char * const script_subcommands[] = { "record", "report", NULL };
3886 	const char *script_usage[] = {
3887 		"perf script [<options>]",
3888 		"perf script [<options>] record <script> [<record-options>] <command>",
3889 		"perf script [<options>] report <script> [script-args]",
3890 		"perf script [<options>] <script> [<record-options>] <command>",
3891 		"perf script [<options>] <top-script> [script-args]",
3892 		NULL
3893 	};
3894 	struct perf_env *env;
3895 
3896 	perf_set_singlethreaded();
3897 
3898 	setup_scripting();
3899 
3900 	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3901 			     PARSE_OPT_STOP_AT_NON_OPTION);
3902 
3903 	if (symbol_conf.guestmount ||
3904 	    symbol_conf.default_guest_vmlinux_name ||
3905 	    symbol_conf.default_guest_kallsyms ||
3906 	    symbol_conf.default_guest_modules ||
3907 	    symbol_conf.guest_code) {
3908 		/*
3909 		 * Enable guest sample processing.
3910 		 */
3911 		perf_guest = true;
3912 	}
3913 
3914 	data.path  = input_name;
3915 	data.force = symbol_conf.force;
3916 
3917 	if (unsorted_dump)
3918 		dump_trace = true;
3919 
3920 	if (symbol__validate_sym_arguments())
3921 		return -1;
3922 
3923 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
3924 		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3925 		if (!rec_script_path)
3926 			return cmd_record(argc, argv);
3927 	}
3928 
3929 	if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
3930 		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3931 		if (!rep_script_path) {
3932 			fprintf(stderr,
3933 				"Please specify a valid report script"
3934 				"(see 'perf script -l' for listing)\n");
3935 			return -1;
3936 		}
3937 	}
3938 
3939 	if (reltime && deltatime) {
3940 		fprintf(stderr,
3941 			"reltime and deltatime - the two don't get along well. "
3942 			"Please limit to --reltime or --deltatime.\n");
3943 		return -1;
3944 	}
3945 
3946 	if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3947 	    itrace_synth_opts.callchain_sz > scripting_max_stack)
3948 		scripting_max_stack = itrace_synth_opts.callchain_sz;
3949 
3950 	/* make sure PERF_EXEC_PATH is set for scripts */
3951 	set_argv_exec_path(get_argv_exec_path());
3952 
3953 	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3954 		int live_pipe[2];
3955 		int rep_args;
3956 		pid_t pid;
3957 
3958 		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3959 		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3960 
3961 		if (!rec_script_path && !rep_script_path) {
3962 			script_name = find_script(argv[0]);
3963 			if (script_name) {
3964 				argc -= 1;
3965 				argv += 1;
3966 				goto script_found;
3967 			}
3968 			usage_with_options_msg(script_usage, options,
3969 				"Couldn't find script `%s'\n\n See perf"
3970 				" script -l for available scripts.\n", argv[0]);
3971 		}
3972 
3973 		if (is_top_script(argv[0])) {
3974 			rep_args = argc - 1;
3975 		} else {
3976 			int rec_args;
3977 
3978 			rep_args = has_required_arg(rep_script_path);
3979 			rec_args = (argc - 1) - rep_args;
3980 			if (rec_args < 0) {
3981 				usage_with_options_msg(script_usage, options,
3982 					"`%s' script requires options."
3983 					"\n\n See perf script -l for available "
3984 					"scripts and options.\n", argv[0]);
3985 			}
3986 		}
3987 
3988 		if (pipe(live_pipe) < 0) {
3989 			perror("failed to create pipe");
3990 			return -1;
3991 		}
3992 
3993 		pid = fork();
3994 		if (pid < 0) {
3995 			perror("failed to fork");
3996 			return -1;
3997 		}
3998 
3999 		if (!pid) {
4000 			j = 0;
4001 
4002 			dup2(live_pipe[1], 1);
4003 			close(live_pipe[0]);
4004 
4005 			if (is_top_script(argv[0])) {
4006 				system_wide = true;
4007 			} else if (!system_wide) {
4008 				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
4009 					err = -1;
4010 					goto out;
4011 				}
4012 			}
4013 
4014 			__argv = malloc((argc + 6) * sizeof(const char *));
4015 			if (!__argv) {
4016 				pr_err("malloc failed\n");
4017 				err = -ENOMEM;
4018 				goto out;
4019 			}
4020 
4021 			__argv[j++] = "/bin/sh";
4022 			__argv[j++] = rec_script_path;
4023 			if (system_wide)
4024 				__argv[j++] = "-a";
4025 			__argv[j++] = "-q";
4026 			__argv[j++] = "-o";
4027 			__argv[j++] = "-";
4028 			for (i = rep_args + 1; i < argc; i++)
4029 				__argv[j++] = argv[i];
4030 			__argv[j++] = NULL;
4031 
4032 			execvp("/bin/sh", (char **)__argv);
4033 			free(__argv);
4034 			exit(-1);
4035 		}
4036 
4037 		dup2(live_pipe[0], 0);
4038 		close(live_pipe[1]);
4039 
4040 		__argv = malloc((argc + 4) * sizeof(const char *));
4041 		if (!__argv) {
4042 			pr_err("malloc failed\n");
4043 			err = -ENOMEM;
4044 			goto out;
4045 		}
4046 
4047 		j = 0;
4048 		__argv[j++] = "/bin/sh";
4049 		__argv[j++] = rep_script_path;
4050 		for (i = 1; i < rep_args + 1; i++)
4051 			__argv[j++] = argv[i];
4052 		__argv[j++] = "-i";
4053 		__argv[j++] = "-";
4054 		__argv[j++] = NULL;
4055 
4056 		execvp("/bin/sh", (char **)__argv);
4057 		free(__argv);
4058 		exit(-1);
4059 	}
4060 script_found:
4061 	if (rec_script_path)
4062 		script_path = rec_script_path;
4063 	if (rep_script_path)
4064 		script_path = rep_script_path;
4065 
4066 	if (script_path) {
4067 		j = 0;
4068 
4069 		if (!rec_script_path)
4070 			system_wide = false;
4071 		else if (!system_wide) {
4072 			if (have_cmd(argc - 1, &argv[1]) != 0) {
4073 				err = -1;
4074 				goto out;
4075 			}
4076 		}
4077 
4078 		__argv = malloc((argc + 2) * sizeof(const char *));
4079 		if (!__argv) {
4080 			pr_err("malloc failed\n");
4081 			err = -ENOMEM;
4082 			goto out;
4083 		}
4084 
4085 		__argv[j++] = "/bin/sh";
4086 		__argv[j++] = script_path;
4087 		if (system_wide)
4088 			__argv[j++] = "-a";
4089 		for (i = 2; i < argc; i++)
4090 			__argv[j++] = argv[i];
4091 		__argv[j++] = NULL;
4092 
4093 		execvp("/bin/sh", (char **)__argv);
4094 		free(__argv);
4095 		exit(-1);
4096 	}
4097 
4098 	if (dlfilter_file) {
4099 		dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
4100 		if (!dlfilter)
4101 			return -1;
4102 	}
4103 
4104 	if (!script_name) {
4105 		setup_pager();
4106 		use_browser = 0;
4107 	}
4108 
4109 	perf_tool__init(&script.tool, !unsorted_dump);
4110 	script.tool.sample		 = process_sample_event;
4111 	script.tool.mmap		 = perf_event__process_mmap;
4112 	script.tool.mmap2		 = perf_event__process_mmap2;
4113 	script.tool.comm		 = perf_event__process_comm;
4114 	script.tool.namespaces		 = perf_event__process_namespaces;
4115 	script.tool.cgroup		 = perf_event__process_cgroup;
4116 	script.tool.exit		 = perf_event__process_exit;
4117 	script.tool.fork		 = perf_event__process_fork;
4118 	script.tool.attr		 = process_attr;
4119 	script.tool.event_update	 = perf_event__process_event_update;
4120 #ifdef HAVE_LIBTRACEEVENT
4121 	script.tool.tracing_data	 = perf_event__process_tracing_data;
4122 #endif
4123 	script.tool.feature		 = process_feature_event;
4124 	script.tool.build_id		 = perf_event__process_build_id;
4125 	script.tool.id_index		 = perf_event__process_id_index;
4126 	script.tool.auxtrace_info	 = perf_script__process_auxtrace_info;
4127 	script.tool.auxtrace		 = perf_event__process_auxtrace;
4128 	script.tool.auxtrace_error	 = perf_event__process_auxtrace_error;
4129 	script.tool.stat		 = perf_event__process_stat_event;
4130 	script.tool.stat_round		 = process_stat_round_event;
4131 	script.tool.stat_config		 = process_stat_config_event;
4132 	script.tool.thread_map		 = process_thread_map_event;
4133 	script.tool.cpu_map		 = process_cpu_map_event;
4134 	script.tool.throttle		 = process_throttle_event;
4135 	script.tool.unthrottle		 = process_throttle_event;
4136 	script.tool.ordering_requires_timestamps = true;
4137 	session = perf_session__new(&data, &script.tool);
4138 	if (IS_ERR(session))
4139 		return PTR_ERR(session);
4140 
4141 	env = perf_session__env(session);
4142 	if (header || header_only) {
4143 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
4144 		perf_session__fprintf_info(session, stdout, show_full_info);
4145 		if (header_only)
4146 			goto out_delete;
4147 	}
4148 	if (show_full_info)
4149 		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
4150 
4151 	if (symbol__init(env) < 0)
4152 		goto out_delete;
4153 
4154 	uname(&uts);
4155 	if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
4156 		native_arch = true;
4157 	} else if (env->arch) {
4158 		if (!strcmp(uts.machine, env->arch))
4159 			native_arch = true;
4160 		else if (!strcmp(uts.machine, "x86_64") &&
4161 			 !strcmp(env->arch, "i386"))
4162 			native_arch = true;
4163 	}
4164 
4165 	script.session = session;
4166 	script__setup_sample_type(&script);
4167 
4168 	if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
4169 	    symbol_conf.graph_function)
4170 		itrace_synth_opts.thread_stack = true;
4171 
4172 	session->itrace_synth_opts = &itrace_synth_opts;
4173 
4174 	if (cpu_list) {
4175 		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
4176 		if (err < 0)
4177 			goto out_delete;
4178 		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
4179 	}
4180 
4181 	if (!no_callchain)
4182 		symbol_conf.use_callchain = true;
4183 	else
4184 		symbol_conf.use_callchain = false;
4185 
4186 #ifdef HAVE_LIBTRACEEVENT
4187 	if (session->tevent.pevent &&
4188 	    tep_set_function_resolver(session->tevent.pevent,
4189 				      machine__resolve_kernel_addr,
4190 				      &session->machines.host) < 0) {
4191 		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
4192 		err = -1;
4193 		goto out_delete;
4194 	}
4195 #endif
4196 	if (generate_script_lang) {
4197 		struct stat perf_stat;
4198 		int input;
4199 
4200 		if (output_set_by_user()) {
4201 			fprintf(stderr,
4202 				"custom fields not supported for generated scripts");
4203 			err = -EINVAL;
4204 			goto out_delete;
4205 		}
4206 
4207 		input = open(data.path, O_RDONLY);	/* input_name */
4208 		if (input < 0) {
4209 			err = -errno;
4210 			perror("failed to open file");
4211 			goto out_delete;
4212 		}
4213 
4214 		err = fstat(input, &perf_stat);
4215 		if (err < 0) {
4216 			perror("failed to stat file");
4217 			goto out_delete;
4218 		}
4219 
4220 		if (!perf_stat.st_size) {
4221 			fprintf(stderr, "zero-sized file, nothing to do!\n");
4222 			goto out_delete;
4223 		}
4224 
4225 		scripting_ops = script_spec__lookup(generate_script_lang);
4226 		if (!scripting_ops) {
4227 			fprintf(stderr, "invalid language specifier");
4228 			err = -ENOENT;
4229 			goto out_delete;
4230 		}
4231 #ifdef HAVE_LIBTRACEEVENT
4232 		err = scripting_ops->generate_script(session->tevent.pevent,
4233 						     "perf-script");
4234 #else
4235 		err = scripting_ops->generate_script(NULL, "perf-script");
4236 #endif
4237 		goto out_delete;
4238 	}
4239 
4240 	err = dlfilter__start(dlfilter, session);
4241 	if (err)
4242 		goto out_delete;
4243 
4244 	if (script_name) {
4245 		err = scripting_ops->start_script(script_name, argc, argv, session);
4246 		if (err)
4247 			goto out_delete;
4248 		pr_debug("perf script started with script %s\n\n", script_name);
4249 		script_started = true;
4250 	}
4251 
4252 
4253 	err = perf_session__check_output_opt(session);
4254 	if (err < 0)
4255 		goto out_delete;
4256 
4257 	if (script.time_str) {
4258 		err = perf_time__parse_for_ranges_reltime(script.time_str, session,
4259 						  &script.ptime_range,
4260 						  &script.range_size,
4261 						  &script.range_num,
4262 						  reltime);
4263 		if (err < 0)
4264 			goto out_delete;
4265 
4266 		itrace_synth_opts__set_time_range(&itrace_synth_opts,
4267 						  script.ptime_range,
4268 						  script.range_num);
4269 	}
4270 
4271 	err = evswitch__init(&script.evswitch, session->evlist, stderr);
4272 	if (err)
4273 		goto out_delete;
4274 
4275 	if (zstd_init(&(session->zstd_data), 0) < 0)
4276 		pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
4277 
4278 	err = __cmd_script(&script);
4279 
4280 	flush_scripting();
4281 
4282 	if (verbose > 2 || debug_kmaps)
4283 		perf_session__dump_kmaps(session);
4284 
4285 out_delete:
4286 	if (script.ptime_range) {
4287 		itrace_synth_opts__clear_time_range(&itrace_synth_opts);
4288 		zfree(&script.ptime_range);
4289 	}
4290 
4291 	zstd_fini(&(session->zstd_data));
4292 	evlist__free_stats(session->evlist);
4293 	perf_session__delete(session);
4294 	perf_script__exit(&script);
4295 
4296 	if (script_started)
4297 		cleanup_scripting();
4298 	dlfilter__cleanup(dlfilter);
4299 	free_dlarg();
4300 out:
4301 	return err;
4302 }
4303