builtin-trace.c (58cea307432e3376293e6b2be88d1f6e6e99274a) builtin-trace.c (c24ff998fc420891f17d73acab6766823d492175)
1#include <traceevent/event-parse.h>
2#include "builtin.h"
3#include "util/color.h"
4#include "util/evlist.h"
5#include "util/machine.h"
6#include "util/thread.h"
7#include "util/parse-options.h"
8#include "util/strlist.h"

--- 49 unchanged lines hidden (view full) ---

58 size_t printed = fprintf(fp, "(");
59
60 if (duration >= 1.0)
61 printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration);
62 else if (duration >= 0.01)
63 printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration);
64 else
65 printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration);
1#include <traceevent/event-parse.h>
2#include "builtin.h"
3#include "util/color.h"
4#include "util/evlist.h"
5#include "util/machine.h"
6#include "util/thread.h"
7#include "util/parse-options.h"
8#include "util/strlist.h"

--- 49 unchanged lines hidden (view full) ---

58 size_t printed = fprintf(fp, "(");
59
60 if (duration >= 1.0)
61 printed += color_fprintf(fp, PERF_COLOR_RED, "%6.3f ms", duration);
62 else if (duration >= 0.01)
63 printed += color_fprintf(fp, PERF_COLOR_YELLOW, "%6.3f ms", duration);
64 else
65 printed += color_fprintf(fp, PERF_COLOR_NORMAL, "%6.3f ms", duration);
66 return printed + fprintf(stdout, "): ");
66 return printed + fprintf(fp, "): ");
67}
68
69struct thread_trace {
70 u64 entry_time;
71 u64 exit_time;
72 bool entry_pending;
73 unsigned long nr_events;
74 char *entry_str;
75 double runtime_ms;
76};
77
78static struct thread_trace *thread_trace__new(void)
79{
80 return zalloc(sizeof(struct thread_trace));
81}
82
67}
68
69struct thread_trace {
70 u64 entry_time;
71 u64 exit_time;
72 bool entry_pending;
73 unsigned long nr_events;
74 char *entry_str;
75 double runtime_ms;
76};
77
78static struct thread_trace *thread_trace__new(void)
79{
80 return zalloc(sizeof(struct thread_trace));
81}
82
83static struct thread_trace *thread__trace(struct thread *thread)
83static struct thread_trace *thread__trace(struct thread *thread, FILE *fp)
84{
85 struct thread_trace *ttrace;
86
87 if (thread == NULL)
88 goto fail;
89
90 if (thread->priv == NULL)
91 thread->priv = thread_trace__new();
92
93 if (thread->priv == NULL)
94 goto fail;
95
96 ttrace = thread->priv;
97 ++ttrace->nr_events;
98
99 return ttrace;
100fail:
84{
85 struct thread_trace *ttrace;
86
87 if (thread == NULL)
88 goto fail;
89
90 if (thread->priv == NULL)
91 thread->priv = thread_trace__new();
92
93 if (thread->priv == NULL)
94 goto fail;
95
96 ttrace = thread->priv;
97 ++ttrace->nr_events;
98
99 return ttrace;
100fail:
101 color_fprintf(stdout, PERF_COLOR_RED,
101 color_fprintf(fp, PERF_COLOR_RED,
102 "WARNING: not enough memory, dropping samples!\n");
103 return NULL;
104}
105
106struct trace {
102 "WARNING: not enough memory, dropping samples!\n");
103 return NULL;
104}
105
106struct trace {
107 struct perf_tool tool;
107 int audit_machine;
108 struct {
109 int max;
110 struct syscall *table;
111 } syscalls;
112 struct perf_record_opts opts;
113 struct machine host;
114 u64 base_time;
108 int audit_machine;
109 struct {
110 int max;
111 struct syscall *table;
112 } syscalls;
113 struct perf_record_opts opts;
114 struct machine host;
115 u64 base_time;
116 FILE *output;
115 struct strlist *ev_qualifier;
116 unsigned long nr_events;
117 bool sched;
118 bool multiple_threads;
119 double duration_filter;
120 double runtime_ms;
121};
122

--- 23 unchanged lines hidden (view full) ---

146 printed += fprintf_duration(duration, fp);
147
148 if (trace->multiple_threads)
149 printed += fprintf(fp, "%d ", thread->tid);
150
151 return printed;
152}
153
117 struct strlist *ev_qualifier;
118 unsigned long nr_events;
119 bool sched;
120 bool multiple_threads;
121 double duration_filter;
122 double runtime_ms;
123};
124

--- 23 unchanged lines hidden (view full) ---

148 printed += fprintf_duration(duration, fp);
149
150 if (trace->multiple_threads)
151 printed += fprintf(fp, "%d ", thread->tid);
152
153 return printed;
154}
155
154static int trace__process_event(struct machine *machine, union perf_event *event)
156static int trace__process_event(struct trace *trace, struct machine *machine,
157 union perf_event *event)
155{
156 int ret = 0;
157
158 switch (event->header.type) {
159 case PERF_RECORD_LOST:
158{
159 int ret = 0;
160
161 switch (event->header.type) {
162 case PERF_RECORD_LOST:
160 color_fprintf(stdout, PERF_COLOR_RED,
163 color_fprintf(trace->output, PERF_COLOR_RED,
161 "LOST %" PRIu64 " events!\n", event->lost.lost);
162 ret = machine__process_lost_event(machine, event);
163 default:
164 ret = machine__process_event(machine, event);
165 break;
166 }
167
168 return ret;
169}
170
164 "LOST %" PRIu64 " events!\n", event->lost.lost);
165 ret = machine__process_lost_event(machine, event);
166 default:
167 ret = machine__process_event(machine, event);
168 break;
169 }
170
171 return ret;
172}
173
171static int trace__tool_process(struct perf_tool *tool __maybe_unused,
174static int trace__tool_process(struct perf_tool *tool,
172 union perf_event *event,
173 struct perf_sample *sample __maybe_unused,
174 struct machine *machine)
175{
175 union perf_event *event,
176 struct perf_sample *sample __maybe_unused,
177 struct machine *machine)
178{
176 return trace__process_event(machine, event);
179 struct trace *trace = container_of(tool, struct trace, tool);
180 return trace__process_event(trace, machine, event);
177}
178
179static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist)
180{
181 int err = symbol__init();
182
183 if (err)
184 return err;
185
186 machine__init(&trace->host, "", HOST_KERNEL_ID);
187 machine__create_kernel_maps(&trace->host);
188
189 if (perf_target__has_task(&trace->opts.target)) {
181}
182
183static int trace__symbols_init(struct trace *trace, struct perf_evlist *evlist)
184{
185 int err = symbol__init();
186
187 if (err)
188 return err;
189
190 machine__init(&trace->host, "", HOST_KERNEL_ID);
191 machine__create_kernel_maps(&trace->host);
192
193 if (perf_target__has_task(&trace->opts.target)) {
190 err = perf_event__synthesize_thread_map(NULL, evlist->threads,
194 err = perf_event__synthesize_thread_map(&trace->tool, evlist->threads,
191 trace__tool_process,
192 &trace->host);
193 } else {
195 trace__tool_process,
196 &trace->host);
197 } else {
194 err = perf_event__synthesize_threads(NULL, trace__tool_process,
198 err = perf_event__synthesize_threads(&trace->tool, trace__tool_process,
195 &trace->host);
196 }
197
198 if (err)
199 symbol__exit();
200
201 return err;
202}

--- 80 unchanged lines hidden (view full) ---

283
284static struct syscall *trace__syscall_info(struct trace *trace,
285 struct perf_evsel *evsel,
286 struct perf_sample *sample)
287{
288 int id = perf_evsel__intval(evsel, sample, "id");
289
290 if (id < 0) {
199 &trace->host);
200 }
201
202 if (err)
203 symbol__exit();
204
205 return err;
206}

--- 80 unchanged lines hidden (view full) ---

287
288static struct syscall *trace__syscall_info(struct trace *trace,
289 struct perf_evsel *evsel,
290 struct perf_sample *sample)
291{
292 int id = perf_evsel__intval(evsel, sample, "id");
293
294 if (id < 0) {
291 printf("Invalid syscall %d id, skipping...\n", id);
295 fprintf(trace->output, "Invalid syscall %d id, skipping...\n", id);
292 return NULL;
293 }
294
295 if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) &&
296 trace__read_syscall_info(trace, id))
297 goto out_cant_read;
298
299 if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL))
300 goto out_cant_read;
301
302 return &trace->syscalls.table[id];
303
304out_cant_read:
296 return NULL;
297 }
298
299 if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL) &&
300 trace__read_syscall_info(trace, id))
301 goto out_cant_read;
302
303 if ((id > trace->syscalls.max || trace->syscalls.table[id].name == NULL))
304 goto out_cant_read;
305
306 return &trace->syscalls.table[id];
307
308out_cant_read:
305 printf("Problems reading syscall %d", id);
309 fprintf(trace->output, "Problems reading syscall %d", id);
306 if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL)
310 if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL)
307 printf("(%s)", trace->syscalls.table[id].name);
308 puts(" information");
311 fprintf(trace->output, "(%s)", trace->syscalls.table[id].name);
312 fputs(" information", trace->output);
309 return NULL;
310}
311
312static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
313 struct perf_sample *sample)
314{
315 char *msg;
316 void *args;

--- 4 unchanged lines hidden (view full) ---

321
322 if (sc == NULL)
323 return -1;
324
325 if (sc->filtered)
326 return 0;
327
328 thread = machine__findnew_thread(&trace->host, sample->tid);
313 return NULL;
314}
315
316static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
317 struct perf_sample *sample)
318{
319 char *msg;
320 void *args;

--- 4 unchanged lines hidden (view full) ---

325
326 if (sc == NULL)
327 return -1;
328
329 if (sc->filtered)
330 return 0;
331
332 thread = machine__findnew_thread(&trace->host, sample->tid);
329 ttrace = thread__trace(thread);
333 ttrace = thread__trace(thread, trace->output);
330 if (ttrace == NULL)
331 return -1;
332
333 args = perf_evsel__rawptr(evsel, sample, "args");
334 if (args == NULL) {
334 if (ttrace == NULL)
335 return -1;
336
337 args = perf_evsel__rawptr(evsel, sample, "args");
338 if (args == NULL) {
335 printf("Problems reading syscall arguments\n");
339 fprintf(trace->output, "Problems reading syscall arguments\n");
336 return -1;
337 }
338
339 ttrace = thread->priv;
340
341 if (ttrace->entry_str == NULL) {
342 ttrace->entry_str = malloc(1024);
343 if (!ttrace->entry_str)
344 return -1;
345 }
346
347 ttrace->entry_time = sample->time;
348 msg = ttrace->entry_str;
349 printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name);
350
351 printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args);
352
353 if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) {
354 if (!trace->duration_filter) {
340 return -1;
341 }
342
343 ttrace = thread->priv;
344
345 if (ttrace->entry_str == NULL) {
346 ttrace->entry_str = malloc(1024);
347 if (!ttrace->entry_str)
348 return -1;
349 }
350
351 ttrace->entry_time = sample->time;
352 msg = ttrace->entry_str;
353 printed += scnprintf(msg + printed, 1024 - printed, "%s(", sc->name);
354
355 printed += syscall__scnprintf_args(sc, msg + printed, 1024 - printed, args);
356
357 if (!strcmp(sc->name, "exit_group") || !strcmp(sc->name, "exit")) {
358 if (!trace->duration_filter) {
355 trace__fprintf_entry_head(trace, thread, 1, sample->time, stdout);
356 printf("%-70s\n", ttrace->entry_str);
359 trace__fprintf_entry_head(trace, thread, 1, sample->time, trace->output);
360 fprintf(trace->output, "%-70s\n", ttrace->entry_str);
357 }
358 } else
359 ttrace->entry_pending = true;
360
361 return 0;
362}
363
364static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel,

--- 7 unchanged lines hidden (view full) ---

372
373 if (sc == NULL)
374 return -1;
375
376 if (sc->filtered)
377 return 0;
378
379 thread = machine__findnew_thread(&trace->host, sample->tid);
361 }
362 } else
363 ttrace->entry_pending = true;
364
365 return 0;
366}
367
368static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel,

--- 7 unchanged lines hidden (view full) ---

376
377 if (sc == NULL)
378 return -1;
379
380 if (sc->filtered)
381 return 0;
382
383 thread = machine__findnew_thread(&trace->host, sample->tid);
380 ttrace = thread__trace(thread);
384 ttrace = thread__trace(thread, trace->output);
381 if (ttrace == NULL)
382 return -1;
383
384 ret = perf_evsel__intval(evsel, sample, "ret");
385
386 ttrace = thread->priv;
387
388 ttrace->exit_time = sample->time;
389
390 if (ttrace->entry_time) {
391 duration = sample->time - ttrace->entry_time;
392 if (trace__filter_duration(trace, duration))
393 goto out;
394 } else if (trace->duration_filter)
395 goto out;
396
385 if (ttrace == NULL)
386 return -1;
387
388 ret = perf_evsel__intval(evsel, sample, "ret");
389
390 ttrace = thread->priv;
391
392 ttrace->exit_time = sample->time;
393
394 if (ttrace->entry_time) {
395 duration = sample->time - ttrace->entry_time;
396 if (trace__filter_duration(trace, duration))
397 goto out;
398 } else if (trace->duration_filter)
399 goto out;
400
397 trace__fprintf_entry_head(trace, thread, duration, sample->time, stdout);
401 trace__fprintf_entry_head(trace, thread, duration, sample->time, trace->output);
398
399 if (ttrace->entry_pending) {
402
403 if (ttrace->entry_pending) {
400 printf("%-70s", ttrace->entry_str);
404 fprintf(trace->output, "%-70s", ttrace->entry_str);
401 } else {
405 } else {
402 printf(" ... [");
403 color_fprintf(stdout, PERF_COLOR_YELLOW, "continued");
404 printf("]: %s()", sc->name);
406 fprintf(trace->output, " ... [");
407 color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued");
408 fprintf(trace->output, "]: %s()", sc->name);
405 }
406
407 if (ret < 0 && sc->fmt && sc->fmt->errmsg) {
408 char bf[256];
409 const char *emsg = strerror_r(-ret, bf, sizeof(bf)),
410 *e = audit_errno_to_name(-ret);
411
409 }
410
411 if (ret < 0 && sc->fmt && sc->fmt->errmsg) {
412 char bf[256];
413 const char *emsg = strerror_r(-ret, bf, sizeof(bf)),
414 *e = audit_errno_to_name(-ret);
415
412 printf(") = -1 %s %s", e, emsg);
416 fprintf(trace->output, ") = -1 %s %s", e, emsg);
413 } else if (ret == 0 && sc->fmt && sc->fmt->timeout)
417 } else if (ret == 0 && sc->fmt && sc->fmt->timeout)
414 printf(") = 0 Timeout");
418 fprintf(trace->output, ") = 0 Timeout");
415 else
419 else
416 printf(") = %d", ret);
420 fprintf(trace->output, ") = %d", ret);
417
421
418 putchar('\n');
422 fputc('\n', trace->output);
419out:
420 ttrace->entry_pending = false;
421
422 return 0;
423}
424
425static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel,
426 struct perf_sample *sample)
427{
428 u64 runtime = perf_evsel__intval(evsel, sample, "runtime");
429 double runtime_ms = (double)runtime / NSEC_PER_MSEC;
430 struct thread *thread = machine__findnew_thread(&trace->host, sample->tid);
423out:
424 ttrace->entry_pending = false;
425
426 return 0;
427}
428
429static int trace__sched_stat_runtime(struct trace *trace, struct perf_evsel *evsel,
430 struct perf_sample *sample)
431{
432 u64 runtime = perf_evsel__intval(evsel, sample, "runtime");
433 double runtime_ms = (double)runtime / NSEC_PER_MSEC;
434 struct thread *thread = machine__findnew_thread(&trace->host, sample->tid);
431 struct thread_trace *ttrace = thread__trace(thread);
435 struct thread_trace *ttrace = thread__trace(thread, trace->output);
432
433 if (ttrace == NULL)
434 goto out_dump;
435
436 ttrace->runtime_ms += runtime_ms;
437 trace->runtime_ms += runtime_ms;
438 return 0;
439
440out_dump:
436
437 if (ttrace == NULL)
438 goto out_dump;
439
440 ttrace->runtime_ms += runtime_ms;
441 trace->runtime_ms += runtime_ms;
442 return 0;
443
444out_dump:
441 printf("%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n",
445 fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n",
442 evsel->name,
443 perf_evsel__strval(evsel, sample, "comm"),
444 (pid_t)perf_evsel__intval(evsel, sample, "pid"),
445 runtime,
446 perf_evsel__intval(evsel, sample, "vruntime"));
447 return 0;
448}
449
450static int trace__run(struct trace *trace, int argc, const char **argv)
451{
452 struct perf_evlist *evlist = perf_evlist__new();
453 struct perf_evsel *evsel;
454 int err = -1, i;
455 unsigned long before;
456 const bool forks = argc > 0;
457
458 if (evlist == NULL) {
446 evsel->name,
447 perf_evsel__strval(evsel, sample, "comm"),
448 (pid_t)perf_evsel__intval(evsel, sample, "pid"),
449 runtime,
450 perf_evsel__intval(evsel, sample, "vruntime"));
451 return 0;
452}
453
454static int trace__run(struct trace *trace, int argc, const char **argv)
455{
456 struct perf_evlist *evlist = perf_evlist__new();
457 struct perf_evsel *evsel;
458 int err = -1, i;
459 unsigned long before;
460 const bool forks = argc > 0;
461
462 if (evlist == NULL) {
459 printf("Not enough memory to run!\n");
463 fprintf(trace->output, "Not enough memory to run!\n");
460 goto out;
461 }
462
463 if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) ||
464 perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) {
464 goto out;
465 }
466
467 if (perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_enter", trace__sys_enter) ||
468 perf_evlist__add_newtp(evlist, "raw_syscalls", "sys_exit", trace__sys_exit)) {
465 printf("Couldn't read the raw_syscalls tracepoints information!\n");
469 fprintf(trace->output, "Couldn't read the raw_syscalls tracepoints information!\n");
466 goto out_delete_evlist;
467 }
468
469 if (trace->sched &&
470 perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime",
471 trace__sched_stat_runtime)) {
470 goto out_delete_evlist;
471 }
472
473 if (trace->sched &&
474 perf_evlist__add_newtp(evlist, "sched", "sched_stat_runtime",
475 trace__sched_stat_runtime)) {
472 printf("Couldn't read the sched_stat_runtime tracepoint information!\n");
476 fprintf(trace->output, "Couldn't read the sched_stat_runtime tracepoint information!\n");
473 goto out_delete_evlist;
474 }
475
476 err = perf_evlist__create_maps(evlist, &trace->opts.target);
477 if (err < 0) {
477 goto out_delete_evlist;
478 }
479
480 err = perf_evlist__create_maps(evlist, &trace->opts.target);
481 if (err < 0) {
478 printf("Problems parsing the target to trace, check your options!\n");
482 fprintf(trace->output, "Problems parsing the target to trace, check your options!\n");
479 goto out_delete_evlist;
480 }
481
482 err = trace__symbols_init(trace, evlist);
483 if (err < 0) {
483 goto out_delete_evlist;
484 }
485
486 err = trace__symbols_init(trace, evlist);
487 if (err < 0) {
484 printf("Problems initializing symbol libraries!\n");
488 fprintf(trace->output, "Problems initializing symbol libraries!\n");
485 goto out_delete_maps;
486 }
487
488 perf_evlist__config(evlist, &trace->opts);
489
490 signal(SIGCHLD, sig_handler);
491 signal(SIGINT, sig_handler);
492
493 if (forks) {
494 err = perf_evlist__prepare_workload(evlist, &trace->opts.target,
495 argv, false, false);
496 if (err < 0) {
489 goto out_delete_maps;
490 }
491
492 perf_evlist__config(evlist, &trace->opts);
493
494 signal(SIGCHLD, sig_handler);
495 signal(SIGINT, sig_handler);
496
497 if (forks) {
498 err = perf_evlist__prepare_workload(evlist, &trace->opts.target,
499 argv, false, false);
500 if (err < 0) {
497 printf("Couldn't run the workload!\n");
501 fprintf(trace->output, "Couldn't run the workload!\n");
498 goto out_delete_maps;
499 }
500 }
501
502 err = perf_evlist__open(evlist);
503 if (err < 0) {
502 goto out_delete_maps;
503 }
504 }
505
506 err = perf_evlist__open(evlist);
507 if (err < 0) {
504 printf("Couldn't create the events: %s\n", strerror(errno));
508 fprintf(trace->output, "Couldn't create the events: %s\n", strerror(errno));
505 goto out_delete_maps;
506 }
507
508 err = perf_evlist__mmap(evlist, UINT_MAX, false);
509 if (err < 0) {
509 goto out_delete_maps;
510 }
511
512 err = perf_evlist__mmap(evlist, UINT_MAX, false);
513 if (err < 0) {
510 printf("Couldn't mmap the events: %s\n", strerror(errno));
514 fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno));
511 goto out_close_evlist;
512 }
513
514 perf_evlist__enable(evlist);
515
516 if (forks)
517 perf_evlist__start_workload(evlist);
518

--- 8 unchanged lines hidden (view full) ---

527 const u32 type = event->header.type;
528 tracepoint_handler handler;
529 struct perf_sample sample;
530
531 ++trace->nr_events;
532
533 err = perf_evlist__parse_sample(evlist, event, &sample);
534 if (err) {
515 goto out_close_evlist;
516 }
517
518 perf_evlist__enable(evlist);
519
520 if (forks)
521 perf_evlist__start_workload(evlist);
522

--- 8 unchanged lines hidden (view full) ---

531 const u32 type = event->header.type;
532 tracepoint_handler handler;
533 struct perf_sample sample;
534
535 ++trace->nr_events;
536
537 err = perf_evlist__parse_sample(evlist, event, &sample);
538 if (err) {
535 printf("Can't parse sample, err = %d, skipping...\n", err);
539 fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err);
536 continue;
537 }
538
539 if (trace->base_time == 0)
540 trace->base_time = sample.time;
541
542 if (type != PERF_RECORD_SAMPLE) {
540 continue;
541 }
542
543 if (trace->base_time == 0)
544 trace->base_time = sample.time;
545
546 if (type != PERF_RECORD_SAMPLE) {
543 trace__process_event(&trace->host, event);
547 trace__process_event(trace, &trace->host, event);
544 continue;
545 }
546
547 evsel = perf_evlist__id2evsel(evlist, sample.id);
548 if (evsel == NULL) {
548 continue;
549 }
550
551 evsel = perf_evlist__id2evsel(evlist, sample.id);
552 if (evsel == NULL) {
549 printf("Unknown tp ID %" PRIu64 ", skipping...\n", sample.id);
553 fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample.id);
550 continue;
551 }
552
553 if (sample.raw_data == NULL) {
554 continue;
555 }
556
557 if (sample.raw_data == NULL) {
554 printf("%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n",
558 fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n",
555 perf_evsel__name(evsel), sample.tid,
556 sample.cpu, sample.raw_size);
557 continue;
558 }
559
560 handler = evsel->handler.func;
561 handler(trace, evsel, &sample);
562 }

--- 72 unchanged lines hidden (view full) ---

635 int unset __maybe_unused)
636{
637 struct trace *trace = opt->value;
638
639 trace->duration_filter = atof(str);
640 return 0;
641}
642
559 perf_evsel__name(evsel), sample.tid,
560 sample.cpu, sample.raw_size);
561 continue;
562 }
563
564 handler = evsel->handler.func;
565 handler(trace, evsel, &sample);
566 }

--- 72 unchanged lines hidden (view full) ---

639 int unset __maybe_unused)
640{
641 struct trace *trace = opt->value;
642
643 trace->duration_filter = atof(str);
644 return 0;
645}
646
647static int trace__open_output(struct trace *trace, const char *filename)
648{
649 struct stat st;
650
651 if (!stat(filename, &st) && st.st_size) {
652 char oldname[PATH_MAX];
653
654 scnprintf(oldname, sizeof(oldname), "%s.old", filename);
655 unlink(oldname);
656 rename(filename, oldname);
657 }
658
659 trace->output = fopen(filename, "w");
660
661 return trace->output == NULL ? -errno : 0;
662}
663
643int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
644{
645 const char * const trace_usage[] = {
646 "perf trace [<options>] [<command>]",
647 "perf trace [<options>] -- <command> [<options>]",
648 NULL
649 };
650 struct trace trace = {

--- 6 unchanged lines hidden (view full) ---

657 .uid = UINT_MAX,
658 .uses_mmap = true,
659 },
660 .user_freq = UINT_MAX,
661 .user_interval = ULLONG_MAX,
662 .no_delay = true,
663 .mmap_pages = 1024,
664 },
664int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
665{
666 const char * const trace_usage[] = {
667 "perf trace [<options>] [<command>]",
668 "perf trace [<options>] -- <command> [<options>]",
669 NULL
670 };
671 struct trace trace = {

--- 6 unchanged lines hidden (view full) ---

678 .uid = UINT_MAX,
679 .uses_mmap = true,
680 },
681 .user_freq = UINT_MAX,
682 .user_interval = ULLONG_MAX,
683 .no_delay = true,
684 .mmap_pages = 1024,
685 },
686 .output = stdout,
665 };
687 };
688 const char *output_name = NULL;
666 const char *ev_qualifier_str = NULL;
667 const struct option trace_options[] = {
668 OPT_STRING('e', "expr", &ev_qualifier_str, "expr",
669 "list of events to trace"),
689 const char *ev_qualifier_str = NULL;
690 const struct option trace_options[] = {
691 OPT_STRING('e', "expr", &ev_qualifier_str, "expr",
692 "list of events to trace"),
693 OPT_STRING('o', "output", &output_name, "file", "output file name"),
670 OPT_STRING('p', "pid", &trace.opts.target.pid, "pid",
671 "trace events on existing process id"),
672 OPT_STRING(0, "tid", &trace.opts.target.tid, "tid",
673 "trace events on existing thread id"),
674 OPT_BOOLEAN(0, "all-cpus", &trace.opts.target.system_wide,
675 "system-wide collection from all CPUs"),
676 OPT_STRING(0, "cpu", &trace.opts.target.cpu_list, "cpu",
677 "list of cpus to monitor"),

--- 9 unchanged lines hidden (view full) ---

687 OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"),
688 OPT_END()
689 };
690 int err;
691 char bf[BUFSIZ];
692
693 argc = parse_options(argc, argv, trace_options, trace_usage, 0);
694
694 OPT_STRING('p', "pid", &trace.opts.target.pid, "pid",
695 "trace events on existing process id"),
696 OPT_STRING(0, "tid", &trace.opts.target.tid, "tid",
697 "trace events on existing thread id"),
698 OPT_BOOLEAN(0, "all-cpus", &trace.opts.target.system_wide,
699 "system-wide collection from all CPUs"),
700 OPT_STRING(0, "cpu", &trace.opts.target.cpu_list, "cpu",
701 "list of cpus to monitor"),

--- 9 unchanged lines hidden (view full) ---

711 OPT_BOOLEAN(0, "sched", &trace.sched, "show blocking scheduler events"),
712 OPT_END()
713 };
714 int err;
715 char bf[BUFSIZ];
716
717 argc = parse_options(argc, argv, trace_options, trace_usage, 0);
718
719 if (output_name != NULL) {
720 err = trace__open_output(&trace, output_name);
721 if (err < 0) {
722 perror("failed to create output file");
723 goto out;
724 }
725 }
726
695 if (ev_qualifier_str != NULL) {
696 trace.ev_qualifier = strlist__new(true, ev_qualifier_str);
697 if (trace.ev_qualifier == NULL) {
727 if (ev_qualifier_str != NULL) {
728 trace.ev_qualifier = strlist__new(true, ev_qualifier_str);
729 if (trace.ev_qualifier == NULL) {
698 puts("Not enough memory to parse event qualifier");
699 return -ENOMEM;
730 fputs("Not enough memory to parse event qualifier",
731 trace.output);
732 err = -ENOMEM;
733 goto out_close;
700 }
701 }
702
703 err = perf_target__validate(&trace.opts.target);
704 if (err) {
705 perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf));
734 }
735 }
736
737 err = perf_target__validate(&trace.opts.target);
738 if (err) {
739 perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf));
706 printf("%s", bf);
707 return err;
740 fprintf(trace.output, "%s", bf);
741 goto out_close;
708 }
709
710 err = perf_target__parse_uid(&trace.opts.target);
711 if (err) {
712 perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf));
742 }
743
744 err = perf_target__parse_uid(&trace.opts.target);
745 if (err) {
746 perf_target__strerror(&trace.opts.target, err, bf, sizeof(bf));
713 printf("%s", bf);
714 return err;
747 fprintf(trace.output, "%s", bf);
748 goto out_close;
715 }
716
717 if (!argc && perf_target__none(&trace.opts.target))
718 trace.opts.target.system_wide = true;
719
720 err = trace__run(&trace, argc, argv);
721
722 if (trace.sched && !err)
749 }
750
751 if (!argc && perf_target__none(&trace.opts.target))
752 trace.opts.target.system_wide = true;
753
754 err = trace__run(&trace, argc, argv);
755
756 if (trace.sched && !err)
723 trace__fprintf_thread_summary(&trace, stdout);
757 trace__fprintf_thread_summary(&trace, trace.output);
724
758
759out_close:
760 if (output_name != NULL)
761 fclose(trace.output);
762out:
725 return err;
726}
763 return err;
764}