4 #include "util/cache.h"
5 #include "util/debug.h"
6 #include "util/exec_cmd.h"
7 #include "util/header.h"
8 #include "util/parse-options.h"
9 #include "util/perf_regs.h"
10 #include "util/session.h"
11 #include "util/tool.h"
12 #include "util/symbol.h"
13 #include "util/thread.h"
14 #include "util/trace-event.h"
15 #include "util/util.h"
16 #include "util/evlist.h"
17 #include "util/evsel.h"
18 #include "util/sort.h"
19 #include "util/data.h"
20 #include "util/auxtrace.h"
21 #include <linux/bitmap.h>
23 static char const *script_name;
24 static char const *generate_script_lang;
25 static bool debug_mode;
26 static u64 last_timestamp;
27 static u64 nr_unordered;
28 static bool no_callchain;
29 static bool latency_format;
30 static bool system_wide;
31 static bool print_flags;
33 static const char *cpu_list;
34 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
36 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
38 enum perf_output_field {
39 PERF_OUTPUT_COMM = 1U << 0,
40 PERF_OUTPUT_TID = 1U << 1,
41 PERF_OUTPUT_PID = 1U << 2,
42 PERF_OUTPUT_TIME = 1U << 3,
43 PERF_OUTPUT_CPU = 1U << 4,
44 PERF_OUTPUT_EVNAME = 1U << 5,
45 PERF_OUTPUT_TRACE = 1U << 6,
46 PERF_OUTPUT_IP = 1U << 7,
47 PERF_OUTPUT_SYM = 1U << 8,
48 PERF_OUTPUT_DSO = 1U << 9,
49 PERF_OUTPUT_ADDR = 1U << 10,
50 PERF_OUTPUT_SYMOFFSET = 1U << 11,
51 PERF_OUTPUT_SRCLINE = 1U << 12,
52 PERF_OUTPUT_PERIOD = 1U << 13,
53 PERF_OUTPUT_IREGS = 1U << 14,
54 PERF_OUTPUT_BRSTACK = 1U << 15,
55 PERF_OUTPUT_BRSTACKSYM = 1U << 16,
58 struct output_option {
60 enum perf_output_field field;
61 } all_output_options[] = {
62 {.str = "comm", .field = PERF_OUTPUT_COMM},
63 {.str = "tid", .field = PERF_OUTPUT_TID},
64 {.str = "pid", .field = PERF_OUTPUT_PID},
65 {.str = "time", .field = PERF_OUTPUT_TIME},
66 {.str = "cpu", .field = PERF_OUTPUT_CPU},
67 {.str = "event", .field = PERF_OUTPUT_EVNAME},
68 {.str = "trace", .field = PERF_OUTPUT_TRACE},
69 {.str = "ip", .field = PERF_OUTPUT_IP},
70 {.str = "sym", .field = PERF_OUTPUT_SYM},
71 {.str = "dso", .field = PERF_OUTPUT_DSO},
72 {.str = "addr", .field = PERF_OUTPUT_ADDR},
73 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
74 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
75 {.str = "period", .field = PERF_OUTPUT_PERIOD},
76 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
77 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
78 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
81 /* default set to maintain compatibility with current format */
85 unsigned int print_ip_opts;
88 } output[PERF_TYPE_MAX] = {
90 [PERF_TYPE_HARDWARE] = {
93 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
94 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
95 PERF_OUTPUT_EVNAME | PERF_OUTPUT_ADDR |
97 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
100 .invalid_fields = PERF_OUTPUT_TRACE,
103 [PERF_TYPE_SOFTWARE] = {
106 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
107 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
108 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
109 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
112 .invalid_fields = PERF_OUTPUT_TRACE,
115 [PERF_TYPE_TRACEPOINT] = {
118 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
119 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
120 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
126 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
127 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
128 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
129 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
132 .invalid_fields = PERF_OUTPUT_TRACE,
136 static bool output_set_by_user(void)
139 for (j = 0; j < PERF_TYPE_MAX; ++j) {
140 if (output[j].user_set)
146 static const char *output_field2str(enum perf_output_field field)
148 int i, imax = ARRAY_SIZE(all_output_options);
149 const char *str = "";
151 for (i = 0; i < imax; ++i) {
152 if (all_output_options[i].field == field) {
153 str = all_output_options[i].str;
160 #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x)
162 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
163 u64 sample_type, const char *sample_msg,
164 enum perf_output_field field,
167 struct perf_event_attr *attr = &evsel->attr;
168 int type = attr->type;
171 if (attr->sample_type & sample_type)
174 if (output[type].user_set) {
177 evname = perf_evsel__name(evsel);
178 pr_err("Samples for '%s' event do not have %s attribute set. "
179 "Cannot print '%s' field.\n",
180 evname, sample_msg, output_field2str(field));
184 /* user did not ask for it explicitly so remove from the default list */
185 output[type].fields &= ~field;
186 evname = perf_evsel__name(evsel);
187 pr_debug("Samples for '%s' event do not have %s attribute set. "
188 "Skipping '%s' field.\n",
189 evname, sample_msg, output_field2str(field));
194 static int perf_evsel__check_stype(struct perf_evsel *evsel,
195 u64 sample_type, const char *sample_msg,
196 enum perf_output_field field)
198 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
202 static int perf_evsel__check_attr(struct perf_evsel *evsel,
203 struct perf_session *session)
205 struct perf_event_attr *attr = &evsel->attr;
208 allow_user_set = perf_header__has_feat(&session->header,
211 if (PRINT_FIELD(TRACE) &&
212 !perf_session__has_traces(session, "record -R"))
215 if (PRINT_FIELD(IP)) {
216 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
221 if (PRINT_FIELD(ADDR) &&
222 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
223 PERF_OUTPUT_ADDR, allow_user_set))
226 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
227 pr_err("Display of symbols requested but neither sample IP nor "
228 "sample address\nis selected. Hence, no addresses to convert "
232 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
233 pr_err("Display of offsets requested but symbol is not"
237 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
238 pr_err("Display of DSO requested but neither sample IP nor "
239 "sample address\nis selected. Hence, no addresses to convert "
243 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
244 pr_err("Display of source line number requested but sample IP is not\n"
245 "selected. Hence, no address to lookup the source line number.\n");
249 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
250 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
251 PERF_OUTPUT_TID|PERF_OUTPUT_PID))
254 if (PRINT_FIELD(TIME) &&
255 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
259 if (PRINT_FIELD(CPU) &&
260 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
261 PERF_OUTPUT_CPU, allow_user_set))
264 if (PRINT_FIELD(PERIOD) &&
265 perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD",
269 if (PRINT_FIELD(IREGS) &&
270 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
277 static void set_print_ip_opts(struct perf_event_attr *attr)
279 unsigned int type = attr->type;
281 output[type].print_ip_opts = 0;
283 output[type].print_ip_opts |= PRINT_IP_OPT_IP;
285 if (PRINT_FIELD(SYM))
286 output[type].print_ip_opts |= PRINT_IP_OPT_SYM;
288 if (PRINT_FIELD(DSO))
289 output[type].print_ip_opts |= PRINT_IP_OPT_DSO;
291 if (PRINT_FIELD(SYMOFFSET))
292 output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET;
294 if (PRINT_FIELD(SRCLINE))
295 output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE;
299 * verify all user requested events exist and the samples
300 * have the expected data
302 static int perf_session__check_output_opt(struct perf_session *session)
305 struct perf_evsel *evsel;
307 for (j = 0; j < PERF_TYPE_MAX; ++j) {
308 evsel = perf_session__find_first_evtype(session, j);
311 * even if fields is set to 0 (ie., show nothing) event must
312 * exist if user explicitly includes it on the command line
314 if (!evsel && output[j].user_set && !output[j].wildcard_set) {
315 pr_err("%s events do not exist. "
316 "Remove corresponding -f option to proceed.\n",
321 if (evsel && output[j].fields &&
322 perf_evsel__check_attr(evsel, session))
328 set_print_ip_opts(&evsel->attr);
332 bool use_callchain = false;
334 evlist__for_each(session->evlist, evsel) {
335 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
336 use_callchain = true;
341 symbol_conf.use_callchain = false;
345 * set default for tracepoints to print symbols only
346 * if callchains are present
348 if (symbol_conf.use_callchain &&
349 !output[PERF_TYPE_TRACEPOINT].user_set) {
350 struct perf_event_attr *attr;
352 j = PERF_TYPE_TRACEPOINT;
353 evsel = perf_session__find_first_evtype(session, j);
359 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
360 output[j].fields |= PERF_OUTPUT_IP;
361 output[j].fields |= PERF_OUTPUT_SYM;
362 output[j].fields |= PERF_OUTPUT_DSO;
363 set_print_ip_opts(attr);
371 static void print_sample_iregs(union perf_event *event __maybe_unused,
372 struct perf_sample *sample,
373 struct thread *thread __maybe_unused,
374 struct perf_event_attr *attr)
376 struct regs_dump *regs = &sample->intr_regs;
377 uint64_t mask = attr->sample_regs_intr;
383 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
384 u64 val = regs->regs[i++];
385 printf("%5s:0x%"PRIx64" ", perf_reg_name(r), val);
389 static void print_sample_start(struct perf_sample *sample,
390 struct thread *thread,
391 struct perf_evsel *evsel)
393 struct perf_event_attr *attr = &evsel->attr;
396 unsigned long long nsecs;
398 if (PRINT_FIELD(COMM)) {
400 printf("%8.8s ", thread__comm_str(thread));
401 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
402 printf("%s ", thread__comm_str(thread));
404 printf("%16s ", thread__comm_str(thread));
407 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
408 printf("%5d/%-5d ", sample->pid, sample->tid);
409 else if (PRINT_FIELD(PID))
410 printf("%5d ", sample->pid);
411 else if (PRINT_FIELD(TID))
412 printf("%5d ", sample->tid);
414 if (PRINT_FIELD(CPU)) {
416 printf("%3d ", sample->cpu);
418 printf("[%03d] ", sample->cpu);
421 if (PRINT_FIELD(TIME)) {
422 nsecs = sample->time;
423 secs = nsecs / NSECS_PER_SEC;
424 nsecs -= secs * NSECS_PER_SEC;
425 usecs = nsecs / NSECS_PER_USEC;
427 printf("%5lu.%09llu: ", secs, nsecs);
429 printf("%5lu.%06lu: ", secs, usecs);
434 mispred_str(struct branch_entry *br)
436 if (!(br->flags.mispred || br->flags.predicted))
439 return br->flags.predicted ? 'P' : 'M';
442 static void print_sample_brstack(union perf_event *event __maybe_unused,
443 struct perf_sample *sample,
444 struct thread *thread __maybe_unused,
445 struct perf_event_attr *attr __maybe_unused)
447 struct branch_stack *br = sample->branch_stack;
453 for (i = 0; i < br->nr; i++) {
454 printf(" 0x%"PRIx64"/0x%"PRIx64"/%c/%c/%c/%d ",
457 mispred_str( br->entries + i),
458 br->entries[i].flags.in_tx? 'X' : '-',
459 br->entries[i].flags.abort? 'A' : '-',
460 br->entries[i].flags.cycles);
464 static void print_sample_brstacksym(union perf_event *event __maybe_unused,
465 struct perf_sample *sample,
466 struct thread *thread __maybe_unused,
467 struct perf_event_attr *attr __maybe_unused)
469 struct branch_stack *br = sample->branch_stack;
470 struct addr_location alf, alt;
471 u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
477 for (i = 0; i < br->nr; i++) {
479 memset(&alf, 0, sizeof(alf));
480 memset(&alt, 0, sizeof(alt));
481 from = br->entries[i].from;
482 to = br->entries[i].to;
484 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, from, &alf);
486 alf.sym = map__find_symbol(alf.map, alf.addr, NULL);
488 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, to, &alt);
490 alt.sym = map__find_symbol(alt.map, alt.addr, NULL);
492 symbol__fprintf_symname_offs(alf.sym, &alf, stdout);
494 symbol__fprintf_symname_offs(alt.sym, &alt, stdout);
495 printf("/%c/%c/%c/%d ",
496 mispred_str( br->entries + i),
497 br->entries[i].flags.in_tx? 'X' : '-',
498 br->entries[i].flags.abort? 'A' : '-',
499 br->entries[i].flags.cycles);
504 static void print_sample_addr(union perf_event *event,
505 struct perf_sample *sample,
506 struct thread *thread,
507 struct perf_event_attr *attr)
509 struct addr_location al;
511 printf("%16" PRIx64, sample->addr);
513 if (!sample_addr_correlates_sym(attr))
516 perf_event__preprocess_sample_addr(event, sample, thread, &al);
518 if (PRINT_FIELD(SYM)) {
520 if (PRINT_FIELD(SYMOFFSET))
521 symbol__fprintf_symname_offs(al.sym, &al, stdout);
523 symbol__fprintf_symname(al.sym, stdout);
526 if (PRINT_FIELD(DSO)) {
528 map__fprintf_dsoname(al.map, stdout);
533 static void print_sample_bts(union perf_event *event,
534 struct perf_sample *sample,
535 struct perf_evsel *evsel,
536 struct thread *thread,
537 struct addr_location *al)
539 struct perf_event_attr *attr = &evsel->attr;
540 bool print_srcline_last = false;
542 /* print branch_from information */
543 if (PRINT_FIELD(IP)) {
544 unsigned int print_opts = output[attr->type].print_ip_opts;
546 if (symbol_conf.use_callchain && sample->callchain) {
550 if (print_opts & PRINT_IP_OPT_SRCLINE) {
551 print_srcline_last = true;
552 print_opts &= ~PRINT_IP_OPT_SRCLINE;
555 perf_evsel__print_ip(evsel, sample, al, print_opts,
556 scripting_max_stack);
559 /* print branch_to information */
560 if (PRINT_FIELD(ADDR) ||
561 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
562 !output[attr->type].user_set)) {
564 print_sample_addr(event, sample, thread, attr);
567 if (print_srcline_last)
568 map__fprintf_srcline(al->map, al->addr, "\n ", stdout);
573 static void print_sample_flags(u32 flags)
575 const char *chars = PERF_IP_FLAG_CHARS;
576 const int n = strlen(PERF_IP_FLAG_CHARS);
580 for (i = 0; i < n; i++, flags >>= 1) {
582 str[pos++] = chars[i];
584 for (; i < 32; i++, flags >>= 1) {
589 printf(" %-4s ", str);
592 static void process_event(union perf_event *event, struct perf_sample *sample,
593 struct perf_evsel *evsel, struct addr_location *al)
595 struct thread *thread = al->thread;
596 struct perf_event_attr *attr = &evsel->attr;
598 if (output[attr->type].fields == 0)
601 print_sample_start(sample, thread, evsel);
603 if (PRINT_FIELD(PERIOD))
604 printf("%10" PRIu64 " ", sample->period);
606 if (PRINT_FIELD(EVNAME)) {
607 const char *evname = perf_evsel__name(evsel);
608 printf("%s: ", evname ? evname : "[unknown]");
612 print_sample_flags(sample->flags);
614 if (is_bts_event(attr)) {
615 print_sample_bts(event, sample, evsel, thread, al);
619 if (PRINT_FIELD(TRACE))
620 event_format__print(evsel->tp_format, sample->cpu,
621 sample->raw_data, sample->raw_size);
622 if (PRINT_FIELD(ADDR))
623 print_sample_addr(event, sample, thread, attr);
625 if (PRINT_FIELD(IP)) {
626 if (!symbol_conf.use_callchain)
631 perf_evsel__print_ip(evsel, sample, al,
632 output[attr->type].print_ip_opts,
633 scripting_max_stack);
636 if (PRINT_FIELD(IREGS))
637 print_sample_iregs(event, sample, thread, attr);
639 if (PRINT_FIELD(BRSTACK))
640 print_sample_brstack(event, sample, thread, attr);
641 else if (PRINT_FIELD(BRSTACKSYM))
642 print_sample_brstacksym(event, sample, thread, attr);
647 static int default_start_script(const char *script __maybe_unused,
648 int argc __maybe_unused,
649 const char **argv __maybe_unused)
654 static int default_flush_script(void)
659 static int default_stop_script(void)
664 static int default_generate_script(struct pevent *pevent __maybe_unused,
665 const char *outfile __maybe_unused)
670 static struct scripting_ops default_scripting_ops = {
671 .start_script = default_start_script,
672 .flush_script = default_flush_script,
673 .stop_script = default_stop_script,
674 .process_event = process_event,
675 .generate_script = default_generate_script,
678 static struct scripting_ops *scripting_ops;
680 static void setup_scripting(void)
682 setup_perl_scripting();
683 setup_python_scripting();
685 scripting_ops = &default_scripting_ops;
688 static int flush_scripting(void)
690 return scripting_ops->flush_script();
693 static int cleanup_scripting(void)
695 pr_debug("\nperf script stopped\n");
697 return scripting_ops->stop_script();
700 static int process_sample_event(struct perf_tool *tool __maybe_unused,
701 union perf_event *event,
702 struct perf_sample *sample,
703 struct perf_evsel *evsel,
704 struct machine *machine)
706 struct addr_location al;
709 if (sample->time < last_timestamp) {
710 pr_err("Samples misordered, previous: %" PRIu64
711 " this: %" PRIu64 "\n", last_timestamp,
715 last_timestamp = sample->time;
719 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
720 pr_err("problem processing %d event, skipping it.\n",
728 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
731 scripting_ops->process_event(event, sample, evsel, &al);
733 addr_location__put(&al);
738 struct perf_tool tool;
739 struct perf_session *session;
740 bool show_task_events;
741 bool show_mmap_events;
742 bool show_switch_events;
745 static int process_attr(struct perf_tool *tool, union perf_event *event,
746 struct perf_evlist **pevlist)
748 struct perf_script *scr = container_of(tool, struct perf_script, tool);
749 struct perf_evlist *evlist;
750 struct perf_evsel *evsel, *pos;
753 err = perf_event__process_attr(tool, event, pevlist);
758 evsel = perf_evlist__last(*pevlist);
760 if (evsel->attr.type >= PERF_TYPE_MAX)
763 evlist__for_each(evlist, pos) {
764 if (pos->attr.type == evsel->attr.type && pos != evsel)
768 set_print_ip_opts(&evsel->attr);
770 if (evsel->attr.sample_type)
771 err = perf_evsel__check_attr(evsel, scr->session);
776 static int process_comm_event(struct perf_tool *tool,
777 union perf_event *event,
778 struct perf_sample *sample,
779 struct machine *machine)
781 struct thread *thread;
782 struct perf_script *script = container_of(tool, struct perf_script, tool);
783 struct perf_session *session = script->session;
784 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
787 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
788 if (thread == NULL) {
789 pr_debug("problem processing COMM event, skipping it.\n");
793 if (perf_event__process_comm(tool, event, sample, machine) < 0)
796 if (!evsel->attr.sample_id_all) {
799 sample->tid = event->comm.tid;
800 sample->pid = event->comm.pid;
802 print_sample_start(sample, thread, evsel);
803 perf_event__fprintf(event, stdout);
810 static int process_fork_event(struct perf_tool *tool,
811 union perf_event *event,
812 struct perf_sample *sample,
813 struct machine *machine)
815 struct thread *thread;
816 struct perf_script *script = container_of(tool, struct perf_script, tool);
817 struct perf_session *session = script->session;
818 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
820 if (perf_event__process_fork(tool, event, sample, machine) < 0)
823 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
824 if (thread == NULL) {
825 pr_debug("problem processing FORK event, skipping it.\n");
829 if (!evsel->attr.sample_id_all) {
831 sample->time = event->fork.time;
832 sample->tid = event->fork.tid;
833 sample->pid = event->fork.pid;
835 print_sample_start(sample, thread, evsel);
836 perf_event__fprintf(event, stdout);
841 static int process_exit_event(struct perf_tool *tool,
842 union perf_event *event,
843 struct perf_sample *sample,
844 struct machine *machine)
847 struct thread *thread;
848 struct perf_script *script = container_of(tool, struct perf_script, tool);
849 struct perf_session *session = script->session;
850 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
852 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
853 if (thread == NULL) {
854 pr_debug("problem processing EXIT event, skipping it.\n");
858 if (!evsel->attr.sample_id_all) {
861 sample->tid = event->fork.tid;
862 sample->pid = event->fork.pid;
864 print_sample_start(sample, thread, evsel);
865 perf_event__fprintf(event, stdout);
867 if (perf_event__process_exit(tool, event, sample, machine) < 0)
874 static int process_mmap_event(struct perf_tool *tool,
875 union perf_event *event,
876 struct perf_sample *sample,
877 struct machine *machine)
879 struct thread *thread;
880 struct perf_script *script = container_of(tool, struct perf_script, tool);
881 struct perf_session *session = script->session;
882 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
884 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
887 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
888 if (thread == NULL) {
889 pr_debug("problem processing MMAP event, skipping it.\n");
893 if (!evsel->attr.sample_id_all) {
896 sample->tid = event->mmap.tid;
897 sample->pid = event->mmap.pid;
899 print_sample_start(sample, thread, evsel);
900 perf_event__fprintf(event, stdout);
905 static int process_mmap2_event(struct perf_tool *tool,
906 union perf_event *event,
907 struct perf_sample *sample,
908 struct machine *machine)
910 struct thread *thread;
911 struct perf_script *script = container_of(tool, struct perf_script, tool);
912 struct perf_session *session = script->session;
913 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
915 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
918 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
919 if (thread == NULL) {
920 pr_debug("problem processing MMAP2 event, skipping it.\n");
924 if (!evsel->attr.sample_id_all) {
927 sample->tid = event->mmap2.tid;
928 sample->pid = event->mmap2.pid;
930 print_sample_start(sample, thread, evsel);
931 perf_event__fprintf(event, stdout);
936 static int process_switch_event(struct perf_tool *tool,
937 union perf_event *event,
938 struct perf_sample *sample,
939 struct machine *machine)
941 struct thread *thread;
942 struct perf_script *script = container_of(tool, struct perf_script, tool);
943 struct perf_session *session = script->session;
944 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
946 if (perf_event__process_switch(tool, event, sample, machine) < 0)
949 thread = machine__findnew_thread(machine, sample->pid,
951 if (thread == NULL) {
952 pr_debug("problem processing SWITCH event, skipping it.\n");
956 print_sample_start(sample, thread, evsel);
957 perf_event__fprintf(event, stdout);
962 static void sig_handler(int sig __maybe_unused)
967 static int __cmd_script(struct perf_script *script)
971 signal(SIGINT, sig_handler);
973 /* override event processing functions */
974 if (script->show_task_events) {
975 script->tool.comm = process_comm_event;
976 script->tool.fork = process_fork_event;
977 script->tool.exit = process_exit_event;
979 if (script->show_mmap_events) {
980 script->tool.mmap = process_mmap_event;
981 script->tool.mmap2 = process_mmap2_event;
983 if (script->show_switch_events)
984 script->tool.context_switch = process_switch_event;
986 ret = perf_session__process_events(script->session);
989 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
995 struct list_head node;
996 struct scripting_ops *ops;
1000 static LIST_HEAD(script_specs);
1002 static struct script_spec *script_spec__new(const char *spec,
1003 struct scripting_ops *ops)
1005 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
1008 strcpy(s->spec, spec);
1015 static void script_spec__add(struct script_spec *s)
1017 list_add_tail(&s->node, &script_specs);
1020 static struct script_spec *script_spec__find(const char *spec)
1022 struct script_spec *s;
1024 list_for_each_entry(s, &script_specs, node)
1025 if (strcasecmp(s->spec, spec) == 0)
1030 static struct script_spec *script_spec__findnew(const char *spec,
1031 struct scripting_ops *ops)
1033 struct script_spec *s = script_spec__find(spec);
1038 s = script_spec__new(spec, ops);
1042 script_spec__add(s);
1047 int script_spec_register(const char *spec, struct scripting_ops *ops)
1049 struct script_spec *s;
1051 s = script_spec__find(spec);
1055 s = script_spec__findnew(spec, ops);
1062 static struct scripting_ops *script_spec__lookup(const char *spec)
1064 struct script_spec *s = script_spec__find(spec);
1071 static void list_available_languages(void)
1073 struct script_spec *s;
1075 fprintf(stderr, "\n");
1076 fprintf(stderr, "Scripting language extensions (used in "
1077 "perf script -s [spec:]script.[spec]):\n\n");
1079 list_for_each_entry(s, &script_specs, node)
1080 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
1082 fprintf(stderr, "\n");
1085 static int parse_scriptname(const struct option *opt __maybe_unused,
1086 const char *str, int unset __maybe_unused)
1088 char spec[PATH_MAX];
1089 const char *script, *ext;
1092 if (strcmp(str, "lang") == 0) {
1093 list_available_languages();
1097 script = strchr(str, ':');
1100 if (len >= PATH_MAX) {
1101 fprintf(stderr, "invalid language specifier");
1104 strncpy(spec, str, len);
1106 scripting_ops = script_spec__lookup(spec);
1107 if (!scripting_ops) {
1108 fprintf(stderr, "invalid language specifier");
1114 ext = strrchr(script, '.');
1116 fprintf(stderr, "invalid script extension");
1119 scripting_ops = script_spec__lookup(++ext);
1120 if (!scripting_ops) {
1121 fprintf(stderr, "invalid script extension");
1126 script_name = strdup(script);
1131 static int parse_output_fields(const struct option *opt __maybe_unused,
1132 const char *arg, int unset __maybe_unused)
1135 int i, imax = ARRAY_SIZE(all_output_options);
1138 char *str = strdup(arg);
1144 /* first word can state for which event type the user is specifying
1145 * the fields. If no type exists, the specified fields apply to all
1146 * event types found in the file minus the invalid fields for a type.
1148 tok = strchr(str, ':');
1152 if (!strcmp(str, "hw"))
1153 type = PERF_TYPE_HARDWARE;
1154 else if (!strcmp(str, "sw"))
1155 type = PERF_TYPE_SOFTWARE;
1156 else if (!strcmp(str, "trace"))
1157 type = PERF_TYPE_TRACEPOINT;
1158 else if (!strcmp(str, "raw"))
1159 type = PERF_TYPE_RAW;
1161 fprintf(stderr, "Invalid event type in field string.\n");
1166 if (output[type].user_set)
1167 pr_warning("Overriding previous field request for %s events.\n",
1170 output[type].fields = 0;
1171 output[type].user_set = true;
1172 output[type].wildcard_set = false;
1176 if (strlen(str) == 0) {
1178 "Cannot set fields to 'none' for all event types.\n");
1183 if (output_set_by_user())
1184 pr_warning("Overriding previous field request for all events.\n");
1186 for (j = 0; j < PERF_TYPE_MAX; ++j) {
1187 output[j].fields = 0;
1188 output[j].user_set = true;
1189 output[j].wildcard_set = true;
1193 for (tok = strtok(tok, ","); tok; tok = strtok(NULL, ",")) {
1194 for (i = 0; i < imax; ++i) {
1195 if (strcmp(tok, all_output_options[i].str) == 0)
1198 if (i == imax && strcmp(tok, "flags") == 0) {
1203 fprintf(stderr, "Invalid field requested.\n");
1209 /* add user option to all events types for
1212 for (j = 0; j < PERF_TYPE_MAX; ++j) {
1213 if (output[j].invalid_fields & all_output_options[i].field) {
1214 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
1215 all_output_options[i].str, event_type(j));
1217 output[j].fields |= all_output_options[i].field;
1220 if (output[type].invalid_fields & all_output_options[i].field) {
1221 fprintf(stderr, "\'%s\' not valid for %s events.\n",
1222 all_output_options[i].str, event_type(type));
1227 output[type].fields |= all_output_options[i].field;
1232 if (output[type].fields == 0) {
1233 pr_debug("No fields requested for %s type. "
1234 "Events will not be displayed.\n", event_type(type));
1243 /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
1244 static int is_directory(const char *base_path, const struct dirent *dent)
1246 char path[PATH_MAX];
1249 sprintf(path, "%s/%s", base_path, dent->d_name);
1250 if (stat(path, &st))
1253 return S_ISDIR(st.st_mode);
1256 #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\
1257 while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \
1259 if ((lang_dirent.d_type == DT_DIR || \
1260 (lang_dirent.d_type == DT_UNKNOWN && \
1261 is_directory(scripts_path, &lang_dirent))) && \
1262 (strcmp(lang_dirent.d_name, ".")) && \
1263 (strcmp(lang_dirent.d_name, "..")))
1265 #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\
1266 while (!readdir_r(lang_dir, &script_dirent, &script_next) && \
1268 if (script_dirent.d_type != DT_DIR && \
1269 (script_dirent.d_type != DT_UNKNOWN || \
1270 !is_directory(lang_path, &script_dirent)))
1273 #define RECORD_SUFFIX "-record"
1274 #define REPORT_SUFFIX "-report"
1276 struct script_desc {
1277 struct list_head node;
1283 static LIST_HEAD(script_descs);
1285 static struct script_desc *script_desc__new(const char *name)
1287 struct script_desc *s = zalloc(sizeof(*s));
1289 if (s != NULL && name)
1290 s->name = strdup(name);
1295 static void script_desc__delete(struct script_desc *s)
1298 zfree(&s->half_liner);
1303 static void script_desc__add(struct script_desc *s)
1305 list_add_tail(&s->node, &script_descs);
1308 static struct script_desc *script_desc__find(const char *name)
1310 struct script_desc *s;
1312 list_for_each_entry(s, &script_descs, node)
1313 if (strcasecmp(s->name, name) == 0)
1318 static struct script_desc *script_desc__findnew(const char *name)
1320 struct script_desc *s = script_desc__find(name);
1325 s = script_desc__new(name);
1327 goto out_delete_desc;
1329 script_desc__add(s);
1334 script_desc__delete(s);
1339 static const char *ends_with(const char *str, const char *suffix)
1341 size_t suffix_len = strlen(suffix);
1342 const char *p = str;
1344 if (strlen(str) > suffix_len) {
1345 p = str + strlen(str) - suffix_len;
1346 if (!strncmp(p, suffix, suffix_len))
1353 static int read_script_info(struct script_desc *desc, const char *filename)
1355 char line[BUFSIZ], *p;
1358 fp = fopen(filename, "r");
1362 while (fgets(line, sizeof(line), fp)) {
1369 if (strlen(p) && *p == '!')
1373 if (strlen(p) && p[strlen(p) - 1] == '\n')
1374 p[strlen(p) - 1] = '\0';
1376 if (!strncmp(p, "description:", strlen("description:"))) {
1377 p += strlen("description:");
1378 desc->half_liner = strdup(ltrim(p));
1382 if (!strncmp(p, "args:", strlen("args:"))) {
1383 p += strlen("args:");
1384 desc->args = strdup(ltrim(p));
1394 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
1396 char *script_root, *str;
1398 script_root = strdup(script_dirent->d_name);
1402 str = (char *)ends_with(script_root, suffix);
1412 static int list_available_scripts(const struct option *opt __maybe_unused,
1413 const char *s __maybe_unused,
1414 int unset __maybe_unused)
1416 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
1417 char scripts_path[MAXPATHLEN];
1418 DIR *scripts_dir, *lang_dir;
1419 char script_path[MAXPATHLEN];
1420 char lang_path[MAXPATHLEN];
1421 struct script_desc *desc;
1422 char first_half[BUFSIZ];
1425 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1427 scripts_dir = opendir(scripts_path);
1431 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1432 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
1433 lang_dirent.d_name);
1434 lang_dir = opendir(lang_path);
1438 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1439 script_root = get_script_root(&script_dirent, REPORT_SUFFIX);
1441 desc = script_desc__findnew(script_root);
1442 snprintf(script_path, MAXPATHLEN, "%s/%s",
1443 lang_path, script_dirent.d_name);
1444 read_script_info(desc, script_path);
1450 fprintf(stdout, "List of available trace scripts:\n");
1451 list_for_each_entry(desc, &script_descs, node) {
1452 sprintf(first_half, "%s %s", desc->name,
1453 desc->args ? desc->args : "");
1454 fprintf(stdout, " %-36s %s\n", first_half,
1455 desc->half_liner ? desc->half_liner : "");
1462 * Some scripts specify the required events in their "xxx-record" file,
1463 * this function will check if the events in perf.data match those
1464 * mentioned in the "xxx-record".
1466 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
1467 * which is covered well now. And new parsing code should be added to
1468 * cover the future complexing formats like event groups etc.
1470 static int check_ev_match(char *dir_name, char *scriptname,
1471 struct perf_session *session)
1473 char filename[MAXPATHLEN], evname[128];
1474 char line[BUFSIZ], *p;
1475 struct perf_evsel *pos;
1479 sprintf(filename, "%s/bin/%s-record", dir_name, scriptname);
1481 fp = fopen(filename, "r");
1485 while (fgets(line, sizeof(line), fp)) {
1491 p = strstr(p, "-e");
1497 len = strcspn(p, " \t");
1501 snprintf(evname, len + 1, "%s", p);
1504 evlist__for_each(session->evlist, pos) {
1505 if (!strcmp(perf_evsel__name(pos), evname)) {
1523 * Return -1 if none is found, otherwise the actual scripts number.
1525 * Currently the only user of this function is the script browser, which
1526 * will list all statically runnable scripts, select one, execute it and
1527 * show the output in a perf browser.
1529 int find_scripts(char **scripts_array, char **scripts_path_array)
1531 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
1532 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
1533 DIR *scripts_dir, *lang_dir;
1534 struct perf_session *session;
1535 struct perf_data_file file = {
1537 .mode = PERF_DATA_MODE_READ,
1542 session = perf_session__new(&file, false, NULL);
1546 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1548 scripts_dir = opendir(scripts_path);
1550 perf_session__delete(session);
1554 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1555 snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
1556 lang_dirent.d_name);
1558 if (strstr(lang_path, "perl"))
1562 if (strstr(lang_path, "python"))
1566 lang_dir = opendir(lang_path);
1570 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1571 /* Skip those real time scripts: xxxtop.p[yl] */
1572 if (strstr(script_dirent.d_name, "top."))
1574 sprintf(scripts_path_array[i], "%s/%s", lang_path,
1575 script_dirent.d_name);
1576 temp = strchr(script_dirent.d_name, '.');
1577 snprintf(scripts_array[i],
1578 (temp - script_dirent.d_name) + 1,
1579 "%s", script_dirent.d_name);
1581 if (check_ev_match(lang_path,
1582 scripts_array[i], session))
1590 closedir(scripts_dir);
1591 perf_session__delete(session);
1595 static char *get_script_path(const char *script_root, const char *suffix)
1597 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
1598 char scripts_path[MAXPATHLEN];
1599 char script_path[MAXPATHLEN];
1600 DIR *scripts_dir, *lang_dir;
1601 char lang_path[MAXPATHLEN];
1602 char *__script_root;
1604 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1606 scripts_dir = opendir(scripts_path);
1610 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1611 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
1612 lang_dirent.d_name);
1613 lang_dir = opendir(lang_path);
1617 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1618 __script_root = get_script_root(&script_dirent, suffix);
1619 if (__script_root && !strcmp(script_root, __script_root)) {
1620 free(__script_root);
1622 closedir(scripts_dir);
1623 snprintf(script_path, MAXPATHLEN, "%s/%s",
1624 lang_path, script_dirent.d_name);
1625 return strdup(script_path);
1627 free(__script_root);
1631 closedir(scripts_dir);
1636 static bool is_top_script(const char *script_path)
1638 return ends_with(script_path, "top") == NULL ? false : true;
1641 static int has_required_arg(char *script_path)
1643 struct script_desc *desc;
1647 desc = script_desc__new(NULL);
1649 if (read_script_info(desc, script_path))
1655 for (p = desc->args; *p; p++)
1659 script_desc__delete(desc);
1664 static int have_cmd(int argc, const char **argv)
1666 char **__argv = malloc(sizeof(const char *) * argc);
1669 pr_err("malloc failed\n");
1673 memcpy(__argv, argv, sizeof(const char *) * argc);
1674 argc = parse_options(argc, (const char **)__argv, record_options,
1675 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
1678 system_wide = (argc == 0);
1683 static void script__setup_sample_type(struct perf_script *script)
1685 struct perf_session *session = script->session;
1686 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
1688 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
1689 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
1690 (sample_type & PERF_SAMPLE_STACK_USER))
1691 callchain_param.record_mode = CALLCHAIN_DWARF;
1692 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
1693 callchain_param.record_mode = CALLCHAIN_LBR;
1695 callchain_param.record_mode = CALLCHAIN_FP;
1699 int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
1701 bool show_full_info = false;
1702 bool header = false;
1703 bool header_only = false;
1704 bool script_started = false;
1705 char *rec_script_path = NULL;
1706 char *rep_script_path = NULL;
1707 struct perf_session *session;
1708 struct itrace_synth_opts itrace_synth_opts = { .set = false, };
1709 char *script_path = NULL;
1710 const char **__argv;
1712 struct perf_script script = {
1714 .sample = process_sample_event,
1715 .mmap = perf_event__process_mmap,
1716 .mmap2 = perf_event__process_mmap2,
1717 .comm = perf_event__process_comm,
1718 .exit = perf_event__process_exit,
1719 .fork = perf_event__process_fork,
1720 .attr = process_attr,
1721 .tracing_data = perf_event__process_tracing_data,
1722 .build_id = perf_event__process_build_id,
1723 .id_index = perf_event__process_id_index,
1724 .auxtrace_info = perf_event__process_auxtrace_info,
1725 .auxtrace = perf_event__process_auxtrace,
1726 .auxtrace_error = perf_event__process_auxtrace_error,
1727 .ordered_events = true,
1728 .ordering_requires_timestamps = true,
1731 struct perf_data_file file = {
1732 .mode = PERF_DATA_MODE_READ,
1734 const struct option options[] = {
1735 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1736 "dump raw trace in ASCII"),
1737 OPT_INCR('v', "verbose", &verbose,
1738 "be more verbose (show symbol address, etc)"),
1739 OPT_BOOLEAN('L', "Latency", &latency_format,
1740 "show latency attributes (irqs/preemption disabled, etc)"),
1741 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
1742 list_available_scripts),
1743 OPT_CALLBACK('s', "script", NULL, "name",
1744 "script file name (lang:script name, script name, or *)",
1746 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
1747 "generate perf-script.xx script in specified language"),
1748 OPT_STRING('i', "input", &input_name, "file", "input file name"),
1749 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
1750 "do various checks like samples ordering and lost events"),
1751 OPT_BOOLEAN(0, "header", &header, "Show data header."),
1752 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
1753 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1754 "file", "vmlinux pathname"),
1755 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
1756 "file", "kallsyms pathname"),
1757 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
1758 "When printing symbols do not display call chain"),
1759 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
1760 "Look for files with symbols relative to this directory"),
1761 OPT_CALLBACK('F', "fields", NULL, "str",
1762 "comma separated output fields prepend with 'type:'. "
1763 "Valid types: hw,sw,trace,raw. "
1764 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
1765 "addr,symoff,period,iregs,brstack,brstacksym,flags", parse_output_fields),
1766 OPT_BOOLEAN('a', "all-cpus", &system_wide,
1767 "system-wide collection from all CPUs"),
1768 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
1769 "only consider these symbols"),
1770 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
1771 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
1772 "only display events for these comms"),
1773 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
1774 "only consider symbols in these pids"),
1775 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
1776 "only consider symbols in these tids"),
1777 OPT_BOOLEAN('I', "show-info", &show_full_info,
1778 "display extended information from perf.data file"),
1779 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
1780 "Show the path of [kernel.kallsyms]"),
1781 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
1782 "Show the fork/comm/exit events"),
1783 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
1784 "Show the mmap events"),
1785 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
1786 "Show context switch events (if recorded)"),
1787 OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
1788 OPT_BOOLEAN(0, "ns", &nanosecs,
1789 "Use 9 decimal places when displaying time"),
1790 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
1791 "Instruction Tracing options",
1792 itrace_parse_synth_opts),
1793 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
1794 "Show full source file name path for source lines"),
1795 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
1796 "Enable symbol demangling"),
1797 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
1798 "Enable kernel symbol demangling"),
1802 const char * const script_subcommands[] = { "record", "report", NULL };
1803 const char *script_usage[] = {
1804 "perf script [<options>]",
1805 "perf script [<options>] record <script> [<record-options>] <command>",
1806 "perf script [<options>] report <script> [script-args]",
1807 "perf script [<options>] <script> [<record-options>] <command>",
1808 "perf script [<options>] <top-script> [script-args]",
1814 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
1815 PARSE_OPT_STOP_AT_NON_OPTION);
1817 file.path = input_name;
1819 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
1820 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
1821 if (!rec_script_path)
1822 return cmd_record(argc, argv, NULL);
1825 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
1826 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
1827 if (!rep_script_path) {
1829 "Please specify a valid report script"
1830 "(see 'perf script -l' for listing)\n");
1835 if (itrace_synth_opts.callchain &&
1836 itrace_synth_opts.callchain_sz > scripting_max_stack)
1837 scripting_max_stack = itrace_synth_opts.callchain_sz;
1839 /* make sure PERF_EXEC_PATH is set for scripts */
1840 perf_set_argv_exec_path(perf_exec_path());
1842 if (argc && !script_name && !rec_script_path && !rep_script_path) {
1847 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
1848 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
1850 if (!rec_script_path && !rep_script_path) {
1851 usage_with_options_msg(script_usage, options,
1852 "Couldn't find script `%s'\n\n See perf"
1853 " script -l for available scripts.\n", argv[0]);
1856 if (is_top_script(argv[0])) {
1857 rep_args = argc - 1;
1861 rep_args = has_required_arg(rep_script_path);
1862 rec_args = (argc - 1) - rep_args;
1864 usage_with_options_msg(script_usage, options,
1865 "`%s' script requires options."
1866 "\n\n See perf script -l for available "
1867 "scripts and options.\n", argv[0]);
1871 if (pipe(live_pipe) < 0) {
1872 perror("failed to create pipe");
1878 perror("failed to fork");
1885 dup2(live_pipe[1], 1);
1886 close(live_pipe[0]);
1888 if (is_top_script(argv[0])) {
1890 } else if (!system_wide) {
1891 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
1897 __argv = malloc((argc + 6) * sizeof(const char *));
1899 pr_err("malloc failed\n");
1904 __argv[j++] = "/bin/sh";
1905 __argv[j++] = rec_script_path;
1911 for (i = rep_args + 1; i < argc; i++)
1912 __argv[j++] = argv[i];
1915 execvp("/bin/sh", (char **)__argv);
1920 dup2(live_pipe[0], 0);
1921 close(live_pipe[1]);
1923 __argv = malloc((argc + 4) * sizeof(const char *));
1925 pr_err("malloc failed\n");
1931 __argv[j++] = "/bin/sh";
1932 __argv[j++] = rep_script_path;
1933 for (i = 1; i < rep_args + 1; i++)
1934 __argv[j++] = argv[i];
1939 execvp("/bin/sh", (char **)__argv);
1944 if (rec_script_path)
1945 script_path = rec_script_path;
1946 if (rep_script_path)
1947 script_path = rep_script_path;
1952 if (!rec_script_path)
1953 system_wide = false;
1954 else if (!system_wide) {
1955 if (have_cmd(argc - 1, &argv[1]) != 0) {
1961 __argv = malloc((argc + 2) * sizeof(const char *));
1963 pr_err("malloc failed\n");
1968 __argv[j++] = "/bin/sh";
1969 __argv[j++] = script_path;
1972 for (i = 2; i < argc; i++)
1973 __argv[j++] = argv[i];
1976 execvp("/bin/sh", (char **)__argv);
1984 session = perf_session__new(&file, false, &script.tool);
1985 if (session == NULL)
1988 if (header || header_only) {
1989 perf_session__fprintf_info(session, stdout, show_full_info);
1994 if (symbol__init(&session->header.env) < 0)
1997 script.session = session;
1998 script__setup_sample_type(&script);
2000 session->itrace_synth_opts = &itrace_synth_opts;
2003 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
2009 symbol_conf.use_callchain = true;
2011 symbol_conf.use_callchain = false;
2013 if (session->tevent.pevent &&
2014 pevent_set_function_resolver(session->tevent.pevent,
2015 machine__resolve_kernel_addr,
2016 &session->machines.host) < 0) {
2017 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
2021 if (generate_script_lang) {
2022 struct stat perf_stat;
2025 if (output_set_by_user()) {
2027 "custom fields not supported for generated scripts");
2032 input = open(file.path, O_RDONLY); /* input_name */
2035 perror("failed to open file");
2039 err = fstat(input, &perf_stat);
2041 perror("failed to stat file");
2045 if (!perf_stat.st_size) {
2046 fprintf(stderr, "zero-sized file, nothing to do!\n");
2050 scripting_ops = script_spec__lookup(generate_script_lang);
2051 if (!scripting_ops) {
2052 fprintf(stderr, "invalid language specifier");
2057 err = scripting_ops->generate_script(session->tevent.pevent,
2063 err = scripting_ops->start_script(script_name, argc, argv);
2066 pr_debug("perf script started with script %s\n\n", script_name);
2067 script_started = true;
2071 err = perf_session__check_output_opt(session);
2075 err = __cmd_script(&script);
2080 perf_session__delete(session);
2083 cleanup_scripting();