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9#include "builtin.h"
10
11#include "perf.h"
12#include "util/color.h"
13#include "util/evlist.h"
14#include "util/evsel.h"
15#include "util/session.h"
16#include "util/tool.h"
17#include "util/debug.h"
18#include "util/build-id.h"
19#include "util/data.h"
20#include "util/auxtrace.h"
21#include "util/jit.h"
22#include "util/thread.h"
23
24#include <subcmd/parse-options.h>
25
26#include <linux/list.h>
27#include <errno.h>
28#include <signal.h>
29
30struct perf_inject {
31 struct perf_tool tool;
32 struct perf_session *session;
33 bool build_ids;
34 bool sched_stat;
35 bool have_auxtrace;
36 bool strip;
37 bool jit_mode;
38 const char *input_name;
39 struct perf_data output;
40 u64 bytes_written;
41 u64 aux_id;
42 struct list_head samples;
43 struct itrace_synth_opts itrace_synth_opts;
44};
45
46struct event_entry {
47 struct list_head node;
48 u32 tid;
49 union perf_event event[0];
50};
51
52static int output_bytes(struct perf_inject *inject, void *buf, size_t sz)
53{
54 ssize_t size;
55
56 size = perf_data__write(&inject->output, buf, sz);
57 if (size < 0)
58 return -errno;
59
60 inject->bytes_written += size;
61 return 0;
62}
63
64static int perf_event__repipe_synth(struct perf_tool *tool,
65 union perf_event *event)
66{
67 struct perf_inject *inject = container_of(tool, struct perf_inject,
68 tool);
69
70 return output_bytes(inject, event, event->header.size);
71}
72
73static int perf_event__repipe_oe_synth(struct perf_tool *tool,
74 union perf_event *event,
75 struct ordered_events *oe __maybe_unused)
76{
77 return perf_event__repipe_synth(tool, event);
78}
79
80#ifdef HAVE_JITDUMP
81static int perf_event__drop_oe(struct perf_tool *tool __maybe_unused,
82 union perf_event *event __maybe_unused,
83 struct ordered_events *oe __maybe_unused)
84{
85 return 0;
86}
87#endif
88
89static int perf_event__repipe_op2_synth(struct perf_tool *tool,
90 union perf_event *event,
91 struct perf_session *session
92 __maybe_unused)
93{
94 return perf_event__repipe_synth(tool, event);
95}
96
97static int perf_event__repipe_attr(struct perf_tool *tool,
98 union perf_event *event,
99 struct perf_evlist **pevlist)
100{
101 struct perf_inject *inject = container_of(tool, struct perf_inject,
102 tool);
103 int ret;
104
105 ret = perf_event__process_attr(tool, event, pevlist);
106 if (ret)
107 return ret;
108
109 if (!inject->output.is_pipe)
110 return 0;
111
112 return perf_event__repipe_synth(tool, event);
113}
114
115#ifdef HAVE_AUXTRACE_SUPPORT
116
117static int copy_bytes(struct perf_inject *inject, int fd, off_t size)
118{
119 char buf[4096];
120 ssize_t ssz;
121 int ret;
122
123 while (size > 0) {
124 ssz = read(fd, buf, min(size, (off_t)sizeof(buf)));
125 if (ssz < 0)
126 return -errno;
127 ret = output_bytes(inject, buf, ssz);
128 if (ret)
129 return ret;
130 size -= ssz;
131 }
132
133 return 0;
134}
135
136static s64 perf_event__repipe_auxtrace(struct perf_tool *tool,
137 union perf_event *event,
138 struct perf_session *session)
139{
140 struct perf_inject *inject = container_of(tool, struct perf_inject,
141 tool);
142 int ret;
143
144 inject->have_auxtrace = true;
145
146 if (!inject->output.is_pipe) {
147 off_t offset;
148
149 offset = lseek(inject->output.file.fd, 0, SEEK_CUR);
150 if (offset == -1)
151 return -errno;
152 ret = auxtrace_index__auxtrace_event(&session->auxtrace_index,
153 event, offset);
154 if (ret < 0)
155 return ret;
156 }
157
158 if (perf_data__is_pipe(session->data) || !session->one_mmap) {
159 ret = output_bytes(inject, event, event->header.size);
160 if (ret < 0)
161 return ret;
162 ret = copy_bytes(inject, perf_data__fd(session->data),
163 event->auxtrace.size);
164 } else {
165 ret = output_bytes(inject, event,
166 event->header.size + event->auxtrace.size);
167 }
168 if (ret < 0)
169 return ret;
170
171 return event->auxtrace.size;
172}
173
174#else
175
176static s64
177perf_event__repipe_auxtrace(struct perf_tool *tool __maybe_unused,
178 union perf_event *event __maybe_unused,
179 struct perf_session *session __maybe_unused)
180{
181 pr_err("AUX area tracing not supported\n");
182 return -EINVAL;
183}
184
185#endif
186
187static int perf_event__repipe(struct perf_tool *tool,
188 union perf_event *event,
189 struct perf_sample *sample __maybe_unused,
190 struct machine *machine __maybe_unused)
191{
192 return perf_event__repipe_synth(tool, event);
193}
194
195static int perf_event__drop(struct perf_tool *tool __maybe_unused,
196 union perf_event *event __maybe_unused,
197 struct perf_sample *sample __maybe_unused,
198 struct machine *machine __maybe_unused)
199{
200 return 0;
201}
202
203static int perf_event__drop_aux(struct perf_tool *tool,
204 union perf_event *event __maybe_unused,
205 struct perf_sample *sample,
206 struct machine *machine __maybe_unused)
207{
208 struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
209
210 if (!inject->aux_id)
211 inject->aux_id = sample->id;
212
213 return 0;
214}
215
216typedef int (*inject_handler)(struct perf_tool *tool,
217 union perf_event *event,
218 struct perf_sample *sample,
219 struct perf_evsel *evsel,
220 struct machine *machine);
221
222static int perf_event__repipe_sample(struct perf_tool *tool,
223 union perf_event *event,
224 struct perf_sample *sample,
225 struct perf_evsel *evsel,
226 struct machine *machine)
227{
228 if (evsel->handler) {
229 inject_handler f = evsel->handler;
230 return f(tool, event, sample, evsel, machine);
231 }
232
233 build_id__mark_dso_hit(tool, event, sample, evsel, machine);
234
235 return perf_event__repipe_synth(tool, event);
236}
237
238static int perf_event__repipe_mmap(struct perf_tool *tool,
239 union perf_event *event,
240 struct perf_sample *sample,
241 struct machine *machine)
242{
243 int err;
244
245 err = perf_event__process_mmap(tool, event, sample, machine);
246 perf_event__repipe(tool, event, sample, machine);
247
248 return err;
249}
250
251#ifdef HAVE_JITDUMP
252static int perf_event__jit_repipe_mmap(struct perf_tool *tool,
253 union perf_event *event,
254 struct perf_sample *sample,
255 struct machine *machine)
256{
257 struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
258 u64 n = 0;
259 int ret;
260
261
262
263
264 ret = jit_process(inject->session, &inject->output, machine,
265 event->mmap.filename, sample->pid, &n);
266 if (ret < 0)
267 return ret;
268 if (ret) {
269 inject->bytes_written += n;
270 return 0;
271 }
272 return perf_event__repipe_mmap(tool, event, sample, machine);
273}
274#endif
275
276static int perf_event__repipe_mmap2(struct perf_tool *tool,
277 union perf_event *event,
278 struct perf_sample *sample,
279 struct machine *machine)
280{
281 int err;
282
283 err = perf_event__process_mmap2(tool, event, sample, machine);
284 perf_event__repipe(tool, event, sample, machine);
285
286 return err;
287}
288
289#ifdef HAVE_JITDUMP
290static int perf_event__jit_repipe_mmap2(struct perf_tool *tool,
291 union perf_event *event,
292 struct perf_sample *sample,
293 struct machine *machine)
294{
295 struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
296 u64 n = 0;
297 int ret;
298
299
300
301
302 ret = jit_process(inject->session, &inject->output, machine,
303 event->mmap2.filename, sample->pid, &n);
304 if (ret < 0)
305 return ret;
306 if (ret) {
307 inject->bytes_written += n;
308 return 0;
309 }
310 return perf_event__repipe_mmap2(tool, event, sample, machine);
311}
312#endif
313
314static int perf_event__repipe_fork(struct perf_tool *tool,
315 union perf_event *event,
316 struct perf_sample *sample,
317 struct machine *machine)
318{
319 int err;
320
321 err = perf_event__process_fork(tool, event, sample, machine);
322 perf_event__repipe(tool, event, sample, machine);
323
324 return err;
325}
326
327static int perf_event__repipe_comm(struct perf_tool *tool,
328 union perf_event *event,
329 struct perf_sample *sample,
330 struct machine *machine)
331{
332 int err;
333
334 err = perf_event__process_comm(tool, event, sample, machine);
335 perf_event__repipe(tool, event, sample, machine);
336
337 return err;
338}
339
340static int perf_event__repipe_namespaces(struct perf_tool *tool,
341 union perf_event *event,
342 struct perf_sample *sample,
343 struct machine *machine)
344{
345 int err = perf_event__process_namespaces(tool, event, sample, machine);
346
347 perf_event__repipe(tool, event, sample, machine);
348
349 return err;
350}
351
352static int perf_event__repipe_exit(struct perf_tool *tool,
353 union perf_event *event,
354 struct perf_sample *sample,
355 struct machine *machine)
356{
357 int err;
358
359 err = perf_event__process_exit(tool, event, sample, machine);
360 perf_event__repipe(tool, event, sample, machine);
361
362 return err;
363}
364
365static int perf_event__repipe_tracing_data(struct perf_tool *tool,
366 union perf_event *event,
367 struct perf_session *session)
368{
369 int err;
370
371 perf_event__repipe_synth(tool, event);
372 err = perf_event__process_tracing_data(tool, event, session);
373
374 return err;
375}
376
377static int perf_event__repipe_id_index(struct perf_tool *tool,
378 union perf_event *event,
379 struct perf_session *session)
380{
381 int err;
382
383 perf_event__repipe_synth(tool, event);
384 err = perf_event__process_id_index(tool, event, session);
385
386 return err;
387}
388
389static int dso__read_build_id(struct dso *dso)
390{
391 if (dso->has_build_id)
392 return 0;
393
394 if (filename__read_build_id(dso->long_name, dso->build_id,
395 sizeof(dso->build_id)) > 0) {
396 dso->has_build_id = true;
397 return 0;
398 }
399
400 return -1;
401}
402
403static int dso__inject_build_id(struct dso *dso, struct perf_tool *tool,
404 struct machine *machine)
405{
406 u16 misc = PERF_RECORD_MISC_USER;
407 int err;
408
409 if (dso__read_build_id(dso) < 0) {
410 pr_debug("no build_id found for %s\n", dso->long_name);
411 return -1;
412 }
413
414 if (dso->kernel)
415 misc = PERF_RECORD_MISC_KERNEL;
416
417 err = perf_event__synthesize_build_id(tool, dso, misc, perf_event__repipe,
418 machine);
419 if (err) {
420 pr_err("Can't synthesize build_id event for %s\n", dso->long_name);
421 return -1;
422 }
423
424 return 0;
425}
426
427static int perf_event__inject_buildid(struct perf_tool *tool,
428 union perf_event *event,
429 struct perf_sample *sample,
430 struct perf_evsel *evsel __maybe_unused,
431 struct machine *machine)
432{
433 struct addr_location al;
434 struct thread *thread;
435
436 thread = machine__findnew_thread(machine, sample->pid, sample->tid);
437 if (thread == NULL) {
438 pr_err("problem processing %d event, skipping it.\n",
439 event->header.type);
440 goto repipe;
441 }
442
443 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, sample->ip, &al);
444
445 if (al.map != NULL) {
446 if (!al.map->dso->hit) {
447 al.map->dso->hit = 1;
448 if (map__load(al.map) >= 0) {
449 dso__inject_build_id(al.map->dso, tool, machine);
450
451
452
453
454 } else {
455#ifdef HAVE_LIBELF_SUPPORT
456 pr_warning("no symbols found in %s, maybe "
457 "install a debug package?\n",
458 al.map->dso->long_name);
459#endif
460 }
461 }
462 }
463
464 thread__put(thread);
465repipe:
466 perf_event__repipe(tool, event, sample, machine);
467 return 0;
468}
469
470static int perf_inject__sched_process_exit(struct perf_tool *tool,
471 union perf_event *event __maybe_unused,
472 struct perf_sample *sample,
473 struct perf_evsel *evsel __maybe_unused,
474 struct machine *machine __maybe_unused)
475{
476 struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
477 struct event_entry *ent;
478
479 list_for_each_entry(ent, &inject->samples, node) {
480 if (sample->tid == ent->tid) {
481 list_del_init(&ent->node);
482 free(ent);
483 break;
484 }
485 }
486
487 return 0;
488}
489
490static int perf_inject__sched_switch(struct perf_tool *tool,
491 union perf_event *event,
492 struct perf_sample *sample,
493 struct perf_evsel *evsel,
494 struct machine *machine)
495{
496 struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
497 struct event_entry *ent;
498
499 perf_inject__sched_process_exit(tool, event, sample, evsel, machine);
500
501 ent = malloc(event->header.size + sizeof(struct event_entry));
502 if (ent == NULL) {
503 color_fprintf(stderr, PERF_COLOR_RED,
504 "Not enough memory to process sched switch event!");
505 return -1;
506 }
507
508 ent->tid = sample->tid;
509 memcpy(&ent->event, event, event->header.size);
510 list_add(&ent->node, &inject->samples);
511 return 0;
512}
513
514static int perf_inject__sched_stat(struct perf_tool *tool,
515 union perf_event *event __maybe_unused,
516 struct perf_sample *sample,
517 struct perf_evsel *evsel,
518 struct machine *machine)
519{
520 struct event_entry *ent;
521 union perf_event *event_sw;
522 struct perf_sample sample_sw;
523 struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
524 u32 pid = perf_evsel__intval(evsel, sample, "pid");
525
526 list_for_each_entry(ent, &inject->samples, node) {
527 if (pid == ent->tid)
528 goto found;
529 }
530
531 return 0;
532found:
533 event_sw = &ent->event[0];
534 perf_evsel__parse_sample(evsel, event_sw, &sample_sw);
535
536 sample_sw.period = sample->period;
537 sample_sw.time = sample->time;
538 perf_event__synthesize_sample(event_sw, evsel->attr.sample_type,
539 evsel->attr.read_format, &sample_sw,
540 false);
541 build_id__mark_dso_hit(tool, event_sw, &sample_sw, evsel, machine);
542 return perf_event__repipe(tool, event_sw, &sample_sw, machine);
543}
544
545static void sig_handler(int sig __maybe_unused)
546{
547 session_done = 1;
548}
549
550static int perf_evsel__check_stype(struct perf_evsel *evsel,
551 u64 sample_type, const char *sample_msg)
552{
553 struct perf_event_attr *attr = &evsel->attr;
554 const char *name = perf_evsel__name(evsel);
555
556 if (!(attr->sample_type & sample_type)) {
557 pr_err("Samples for %s event do not have %s attribute set.",
558 name, sample_msg);
559 return -EINVAL;
560 }
561
562 return 0;
563}
564
565static int drop_sample(struct perf_tool *tool __maybe_unused,
566 union perf_event *event __maybe_unused,
567 struct perf_sample *sample __maybe_unused,
568 struct perf_evsel *evsel __maybe_unused,
569 struct machine *machine __maybe_unused)
570{
571 return 0;
572}
573
574static void strip_init(struct perf_inject *inject)
575{
576 struct perf_evlist *evlist = inject->session->evlist;
577 struct perf_evsel *evsel;
578
579 inject->tool.context_switch = perf_event__drop;
580
581 evlist__for_each_entry(evlist, evsel)
582 evsel->handler = drop_sample;
583}
584
585static bool has_tracking(struct perf_evsel *evsel)
586{
587 return evsel->attr.mmap || evsel->attr.mmap2 || evsel->attr.comm ||
588 evsel->attr.task;
589}
590
591#define COMPAT_MASK (PERF_SAMPLE_ID | PERF_SAMPLE_TID | PERF_SAMPLE_TIME | \
592 PERF_SAMPLE_ID | PERF_SAMPLE_CPU | PERF_SAMPLE_IDENTIFIER)
593
594
595
596
597
598
599static bool ok_to_remove(struct perf_evlist *evlist,
600 struct perf_evsel *evsel_to_remove)
601{
602 struct perf_evsel *evsel;
603 int cnt = 0;
604 bool ok = false;
605
606 if (!has_tracking(evsel_to_remove))
607 return true;
608
609 evlist__for_each_entry(evlist, evsel) {
610 if (evsel->handler != drop_sample) {
611 cnt += 1;
612 if ((evsel->attr.sample_type & COMPAT_MASK) ==
613 (evsel_to_remove->attr.sample_type & COMPAT_MASK))
614 ok = true;
615 }
616 }
617
618 return ok && cnt == 1;
619}
620
621static void strip_fini(struct perf_inject *inject)
622{
623 struct perf_evlist *evlist = inject->session->evlist;
624 struct perf_evsel *evsel, *tmp;
625
626
627 evlist__for_each_entry_safe(evlist, tmp, evsel) {
628 if (evsel->handler == drop_sample &&
629 ok_to_remove(evlist, evsel)) {
630 pr_debug("Deleting %s\n", perf_evsel__name(evsel));
631 perf_evlist__remove(evlist, evsel);
632 perf_evsel__delete(evsel);
633 }
634 }
635}
636
637static int __cmd_inject(struct perf_inject *inject)
638{
639 int ret = -EINVAL;
640 struct perf_session *session = inject->session;
641 struct perf_data *data_out = &inject->output;
642 int fd = perf_data__fd(data_out);
643 u64 output_data_offset;
644
645 signal(SIGINT, sig_handler);
646
647 if (inject->build_ids || inject->sched_stat ||
648 inject->itrace_synth_opts.set) {
649 inject->tool.mmap = perf_event__repipe_mmap;
650 inject->tool.mmap2 = perf_event__repipe_mmap2;
651 inject->tool.fork = perf_event__repipe_fork;
652 inject->tool.tracing_data = perf_event__repipe_tracing_data;
653 }
654
655 output_data_offset = session->header.data_offset;
656
657 if (inject->build_ids) {
658 inject->tool.sample = perf_event__inject_buildid;
659 } else if (inject->sched_stat) {
660 struct perf_evsel *evsel;
661
662 evlist__for_each_entry(session->evlist, evsel) {
663 const char *name = perf_evsel__name(evsel);
664
665 if (!strcmp(name, "sched:sched_switch")) {
666 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID"))
667 return -EINVAL;
668
669 evsel->handler = perf_inject__sched_switch;
670 } else if (!strcmp(name, "sched:sched_process_exit"))
671 evsel->handler = perf_inject__sched_process_exit;
672 else if (!strncmp(name, "sched:sched_stat_", 17))
673 evsel->handler = perf_inject__sched_stat;
674 }
675 } else if (inject->itrace_synth_opts.set) {
676 session->itrace_synth_opts = &inject->itrace_synth_opts;
677 inject->itrace_synth_opts.inject = true;
678 inject->tool.comm = perf_event__repipe_comm;
679 inject->tool.namespaces = perf_event__repipe_namespaces;
680 inject->tool.exit = perf_event__repipe_exit;
681 inject->tool.id_index = perf_event__repipe_id_index;
682 inject->tool.auxtrace_info = perf_event__process_auxtrace_info;
683 inject->tool.auxtrace = perf_event__process_auxtrace;
684 inject->tool.aux = perf_event__drop_aux;
685 inject->tool.itrace_start = perf_event__drop_aux,
686 inject->tool.ordered_events = true;
687 inject->tool.ordering_requires_timestamps = true;
688
689 output_data_offset = 4096;
690 if (inject->strip)
691 strip_init(inject);
692 }
693
694 if (!inject->itrace_synth_opts.set)
695 auxtrace_index__free(&session->auxtrace_index);
696
697 if (!data_out->is_pipe)
698 lseek(fd, output_data_offset, SEEK_SET);
699
700 ret = perf_session__process_events(session);
701 if (ret)
702 return ret;
703
704 if (!data_out->is_pipe) {
705 if (inject->build_ids)
706 perf_header__set_feat(&session->header,
707 HEADER_BUILD_ID);
708
709
710
711
712 if (perf_header__has_feat(&session->header, HEADER_BUILD_ID) &&
713 inject->have_auxtrace && !inject->itrace_synth_opts.set)
714 dsos__hit_all(session);
715
716
717
718
719
720 if (inject->itrace_synth_opts.set) {
721 struct perf_evsel *evsel;
722
723 perf_header__clear_feat(&session->header,
724 HEADER_AUXTRACE);
725 if (inject->itrace_synth_opts.last_branch)
726 perf_header__set_feat(&session->header,
727 HEADER_BRANCH_STACK);
728 evsel = perf_evlist__id2evsel_strict(session->evlist,
729 inject->aux_id);
730 if (evsel) {
731 pr_debug("Deleting %s\n",
732 perf_evsel__name(evsel));
733 perf_evlist__remove(session->evlist, evsel);
734 perf_evsel__delete(evsel);
735 }
736 if (inject->strip)
737 strip_fini(inject);
738 }
739 session->header.data_offset = output_data_offset;
740 session->header.data_size = inject->bytes_written;
741 perf_session__write_header(session, session->evlist, fd, true);
742 }
743
744 return ret;
745}
746
747int cmd_inject(int argc, const char **argv)
748{
749 struct perf_inject inject = {
750 .tool = {
751 .sample = perf_event__repipe_sample,
752 .mmap = perf_event__repipe,
753 .mmap2 = perf_event__repipe,
754 .comm = perf_event__repipe,
755 .fork = perf_event__repipe,
756 .exit = perf_event__repipe,
757 .lost = perf_event__repipe,
758 .lost_samples = perf_event__repipe,
759 .aux = perf_event__repipe,
760 .itrace_start = perf_event__repipe,
761 .context_switch = perf_event__repipe,
762 .read = perf_event__repipe_sample,
763 .throttle = perf_event__repipe,
764 .unthrottle = perf_event__repipe,
765 .attr = perf_event__repipe_attr,
766 .tracing_data = perf_event__repipe_op2_synth,
767 .auxtrace_info = perf_event__repipe_op2_synth,
768 .auxtrace = perf_event__repipe_auxtrace,
769 .auxtrace_error = perf_event__repipe_op2_synth,
770 .time_conv = perf_event__repipe_op2_synth,
771 .finished_round = perf_event__repipe_oe_synth,
772 .build_id = perf_event__repipe_op2_synth,
773 .id_index = perf_event__repipe_op2_synth,
774 .feature = perf_event__repipe_op2_synth,
775 },
776 .input_name = "-",
777 .samples = LIST_HEAD_INIT(inject.samples),
778 .output = {
779 .file = {
780 .path = "-",
781 },
782 .mode = PERF_DATA_MODE_WRITE,
783 },
784 };
785 struct perf_data data = {
786 .mode = PERF_DATA_MODE_READ,
787 };
788 int ret;
789
790 struct option options[] = {
791 OPT_BOOLEAN('b', "build-ids", &inject.build_ids,
792 "Inject build-ids into the output stream"),
793 OPT_STRING('i', "input", &inject.input_name, "file",
794 "input file name"),
795 OPT_STRING('o', "output", &inject.output.file.path, "file",
796 "output file name"),
797 OPT_BOOLEAN('s', "sched-stat", &inject.sched_stat,
798 "Merge sched-stat and sched-switch for getting events "
799 "where and how long tasks slept"),
800#ifdef HAVE_JITDUMP
801 OPT_BOOLEAN('j', "jit", &inject.jit_mode, "merge jitdump files into perf.data file"),
802#endif
803 OPT_INCR('v', "verbose", &verbose,
804 "be more verbose (show build ids, etc)"),
805 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file",
806 "kallsyms pathname"),
807 OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
808 OPT_CALLBACK_OPTARG(0, "itrace", &inject.itrace_synth_opts,
809 NULL, "opts", "Instruction Tracing options",
810 itrace_parse_synth_opts),
811 OPT_BOOLEAN(0, "strip", &inject.strip,
812 "strip non-synthesized events (use with --itrace)"),
813 OPT_END()
814 };
815 const char * const inject_usage[] = {
816 "perf inject [<options>]",
817 NULL
818 };
819#ifndef HAVE_JITDUMP
820 set_option_nobuild(options, 'j', "jit", "NO_LIBELF=1", true);
821#endif
822 argc = parse_options(argc, argv, options, inject_usage, 0);
823
824
825
826
827 if (argc)
828 usage_with_options(inject_usage, options);
829
830 if (inject.strip && !inject.itrace_synth_opts.set) {
831 pr_err("--strip option requires --itrace option\n");
832 return -1;
833 }
834
835 if (perf_data__open(&inject.output)) {
836 perror("failed to create output file");
837 return -1;
838 }
839
840 inject.tool.ordered_events = inject.sched_stat;
841
842 data.file.path = inject.input_name;
843 inject.session = perf_session__new(&data, true, &inject.tool);
844 if (inject.session == NULL)
845 return -1;
846
847 if (inject.build_ids) {
848
849
850
851
852
853
854 inject.tool.ordered_events = true;
855 inject.tool.ordering_requires_timestamps = true;
856 }
857#ifdef HAVE_JITDUMP
858 if (inject.jit_mode) {
859 inject.tool.mmap2 = perf_event__jit_repipe_mmap2;
860 inject.tool.mmap = perf_event__jit_repipe_mmap;
861 inject.tool.ordered_events = true;
862 inject.tool.ordering_requires_timestamps = true;
863
864
865
866
867 inject.tool.finished_round = perf_event__drop_oe;
868 }
869#endif
870 ret = symbol__init(&inject.session->header.env);
871 if (ret < 0)
872 goto out_delete;
873
874 ret = __cmd_inject(&inject);
875
876out_delete:
877 perf_session__delete(inject.session);
878 return ret;
879}
880
