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