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/session.h"
10 #include "util/tool.h"
11 #include "util/symbol.h"
12 #include "util/thread.h"
13 #include "util/trace-event.h"
14 #include "util/util.h"
15 #include "util/evlist.h"
16 #include "util/evsel.h"
17 #include "util/sort.h"
18 #include "util/data.h"
19 #include "util/auxtrace.h"
20 #include <linux/bitmap.h>
22 static char const *script_name;
23 static char const *generate_script_lang;
24 static bool debug_mode;
25 static u64 last_timestamp;
26 static u64 nr_unordered;
27 static bool no_callchain;
28 static bool latency_format;
29 static bool system_wide;
30 static bool print_flags;
31 static const char *cpu_list;
32 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
34 enum perf_output_field {
35 PERF_OUTPUT_COMM = 1U << 0,
36 PERF_OUTPUT_TID = 1U << 1,
37 PERF_OUTPUT_PID = 1U << 2,
38 PERF_OUTPUT_TIME = 1U << 3,
39 PERF_OUTPUT_CPU = 1U << 4,
40 PERF_OUTPUT_EVNAME = 1U << 5,
41 PERF_OUTPUT_TRACE = 1U << 6,
42 PERF_OUTPUT_IP = 1U << 7,
43 PERF_OUTPUT_SYM = 1U << 8,
44 PERF_OUTPUT_DSO = 1U << 9,
45 PERF_OUTPUT_ADDR = 1U << 10,
46 PERF_OUTPUT_SYMOFFSET = 1U << 11,
47 PERF_OUTPUT_SRCLINE = 1U << 12,
48 PERF_OUTPUT_PERIOD = 1U << 13,
51 struct output_option {
53 enum perf_output_field field;
54 } all_output_options[] = {
55 {.str = "comm", .field = PERF_OUTPUT_COMM},
56 {.str = "tid", .field = PERF_OUTPUT_TID},
57 {.str = "pid", .field = PERF_OUTPUT_PID},
58 {.str = "time", .field = PERF_OUTPUT_TIME},
59 {.str = "cpu", .field = PERF_OUTPUT_CPU},
60 {.str = "event", .field = PERF_OUTPUT_EVNAME},
61 {.str = "trace", .field = PERF_OUTPUT_TRACE},
62 {.str = "ip", .field = PERF_OUTPUT_IP},
63 {.str = "sym", .field = PERF_OUTPUT_SYM},
64 {.str = "dso", .field = PERF_OUTPUT_DSO},
65 {.str = "addr", .field = PERF_OUTPUT_ADDR},
66 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
67 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
68 {.str = "period", .field = PERF_OUTPUT_PERIOD},
71 /* default set to maintain compatibility with current format */
75 unsigned int print_ip_opts;
78 } output[PERF_TYPE_MAX] = {
80 [PERF_TYPE_HARDWARE] = {
83 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
84 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
85 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
86 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
89 .invalid_fields = PERF_OUTPUT_TRACE,
92 [PERF_TYPE_SOFTWARE] = {
95 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
96 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
97 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
98 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
101 .invalid_fields = PERF_OUTPUT_TRACE,
104 [PERF_TYPE_TRACEPOINT] = {
107 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
108 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
109 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
115 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
116 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
117 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
118 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
121 .invalid_fields = PERF_OUTPUT_TRACE,
125 static bool output_set_by_user(void)
128 for (j = 0; j < PERF_TYPE_MAX; ++j) {
129 if (output[j].user_set)
135 static const char *output_field2str(enum perf_output_field field)
137 int i, imax = ARRAY_SIZE(all_output_options);
138 const char *str = "";
140 for (i = 0; i < imax; ++i) {
141 if (all_output_options[i].field == field) {
142 str = all_output_options[i].str;
149 #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x)
151 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
152 u64 sample_type, const char *sample_msg,
153 enum perf_output_field field,
156 struct perf_event_attr *attr = &evsel->attr;
157 int type = attr->type;
160 if (attr->sample_type & sample_type)
163 if (output[type].user_set) {
166 evname = perf_evsel__name(evsel);
167 pr_err("Samples for '%s' event do not have %s attribute set. "
168 "Cannot print '%s' field.\n",
169 evname, sample_msg, output_field2str(field));
173 /* user did not ask for it explicitly so remove from the default list */
174 output[type].fields &= ~field;
175 evname = perf_evsel__name(evsel);
176 pr_debug("Samples for '%s' event do not have %s attribute set. "
177 "Skipping '%s' field.\n",
178 evname, sample_msg, output_field2str(field));
183 static int perf_evsel__check_stype(struct perf_evsel *evsel,
184 u64 sample_type, const char *sample_msg,
185 enum perf_output_field field)
187 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
191 static int perf_evsel__check_attr(struct perf_evsel *evsel,
192 struct perf_session *session)
194 struct perf_event_attr *attr = &evsel->attr;
197 allow_user_set = perf_header__has_feat(&session->header,
200 if (PRINT_FIELD(TRACE) &&
201 !perf_session__has_traces(session, "record -R"))
204 if (PRINT_FIELD(IP)) {
205 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
210 if (PRINT_FIELD(ADDR) &&
211 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
212 PERF_OUTPUT_ADDR, allow_user_set))
215 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
216 pr_err("Display of symbols requested but neither sample IP nor "
217 "sample address\nis selected. Hence, no addresses to convert "
221 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
222 pr_err("Display of offsets requested but symbol is not"
226 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
227 pr_err("Display of DSO requested but neither sample IP nor "
228 "sample address\nis selected. Hence, no addresses to convert "
232 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
233 pr_err("Display of source line number requested but sample IP is not\n"
234 "selected. Hence, no address to lookup the source line number.\n");
238 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
239 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
240 PERF_OUTPUT_TID|PERF_OUTPUT_PID))
243 if (PRINT_FIELD(TIME) &&
244 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
248 if (PRINT_FIELD(CPU) &&
249 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
250 PERF_OUTPUT_CPU, allow_user_set))
253 if (PRINT_FIELD(PERIOD) &&
254 perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD",
261 static void set_print_ip_opts(struct perf_event_attr *attr)
263 unsigned int type = attr->type;
265 output[type].print_ip_opts = 0;
267 output[type].print_ip_opts |= PRINT_IP_OPT_IP;
269 if (PRINT_FIELD(SYM))
270 output[type].print_ip_opts |= PRINT_IP_OPT_SYM;
272 if (PRINT_FIELD(DSO))
273 output[type].print_ip_opts |= PRINT_IP_OPT_DSO;
275 if (PRINT_FIELD(SYMOFFSET))
276 output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET;
278 if (PRINT_FIELD(SRCLINE))
279 output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE;
283 * verify all user requested events exist and the samples
284 * have the expected data
286 static int perf_session__check_output_opt(struct perf_session *session)
289 struct perf_evsel *evsel;
291 for (j = 0; j < PERF_TYPE_MAX; ++j) {
292 evsel = perf_session__find_first_evtype(session, j);
295 * even if fields is set to 0 (ie., show nothing) event must
296 * exist if user explicitly includes it on the command line
298 if (!evsel && output[j].user_set && !output[j].wildcard_set) {
299 pr_err("%s events do not exist. "
300 "Remove corresponding -f option to proceed.\n",
305 if (evsel && output[j].fields &&
306 perf_evsel__check_attr(evsel, session))
312 set_print_ip_opts(&evsel->attr);
316 bool use_callchain = false;
318 evlist__for_each(session->evlist, evsel) {
319 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
320 use_callchain = true;
325 symbol_conf.use_callchain = false;
329 * set default for tracepoints to print symbols only
330 * if callchains are present
332 if (symbol_conf.use_callchain &&
333 !output[PERF_TYPE_TRACEPOINT].user_set) {
334 struct perf_event_attr *attr;
336 j = PERF_TYPE_TRACEPOINT;
337 evsel = perf_session__find_first_evtype(session, j);
343 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
344 output[j].fields |= PERF_OUTPUT_IP;
345 output[j].fields |= PERF_OUTPUT_SYM;
346 output[j].fields |= PERF_OUTPUT_DSO;
347 set_print_ip_opts(attr);
355 static void print_sample_start(struct perf_sample *sample,
356 struct thread *thread,
357 struct perf_evsel *evsel)
359 struct perf_event_attr *attr = &evsel->attr;
362 unsigned long long nsecs;
364 if (PRINT_FIELD(COMM)) {
366 printf("%8.8s ", thread__comm_str(thread));
367 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
368 printf("%s ", thread__comm_str(thread));
370 printf("%16s ", thread__comm_str(thread));
373 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
374 printf("%5d/%-5d ", sample->pid, sample->tid);
375 else if (PRINT_FIELD(PID))
376 printf("%5d ", sample->pid);
377 else if (PRINT_FIELD(TID))
378 printf("%5d ", sample->tid);
380 if (PRINT_FIELD(CPU)) {
382 printf("%3d ", sample->cpu);
384 printf("[%03d] ", sample->cpu);
387 if (PRINT_FIELD(TIME)) {
388 nsecs = sample->time;
389 secs = nsecs / NSECS_PER_SEC;
390 nsecs -= secs * NSECS_PER_SEC;
391 usecs = nsecs / NSECS_PER_USEC;
392 printf("%5lu.%06lu: ", secs, usecs);
396 static void print_sample_addr(union perf_event *event,
397 struct perf_sample *sample,
398 struct thread *thread,
399 struct perf_event_attr *attr)
401 struct addr_location al;
403 printf("%16" PRIx64, sample->addr);
405 if (!sample_addr_correlates_sym(attr))
408 perf_event__preprocess_sample_addr(event, sample, thread, &al);
410 if (PRINT_FIELD(SYM)) {
412 if (PRINT_FIELD(SYMOFFSET))
413 symbol__fprintf_symname_offs(al.sym, &al, stdout);
415 symbol__fprintf_symname(al.sym, stdout);
418 if (PRINT_FIELD(DSO)) {
420 map__fprintf_dsoname(al.map, stdout);
425 static void print_sample_bts(union perf_event *event,
426 struct perf_sample *sample,
427 struct perf_evsel *evsel,
428 struct thread *thread,
429 struct addr_location *al)
431 struct perf_event_attr *attr = &evsel->attr;
432 bool print_srcline_last = false;
434 /* print branch_from information */
435 if (PRINT_FIELD(IP)) {
436 unsigned int print_opts = output[attr->type].print_ip_opts;
438 if (symbol_conf.use_callchain && sample->callchain) {
442 if (print_opts & PRINT_IP_OPT_SRCLINE) {
443 print_srcline_last = true;
444 print_opts &= ~PRINT_IP_OPT_SRCLINE;
447 perf_evsel__print_ip(evsel, sample, al, print_opts,
448 PERF_MAX_STACK_DEPTH);
451 /* print branch_to information */
452 if (PRINT_FIELD(ADDR) ||
453 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
454 !output[attr->type].user_set)) {
456 print_sample_addr(event, sample, thread, attr);
459 if (print_srcline_last)
460 map__fprintf_srcline(al->map, al->addr, "\n ", stdout);
465 static void print_sample_flags(u32 flags)
467 const char *chars = PERF_IP_FLAG_CHARS;
468 const int n = strlen(PERF_IP_FLAG_CHARS);
472 for (i = 0; i < n; i++, flags >>= 1) {
474 str[pos++] = chars[i];
476 for (; i < 32; i++, flags >>= 1) {
481 printf(" %-4s ", str);
484 static void process_event(union perf_event *event, struct perf_sample *sample,
485 struct perf_evsel *evsel, struct addr_location *al)
487 struct thread *thread = al->thread;
488 struct perf_event_attr *attr = &evsel->attr;
490 if (output[attr->type].fields == 0)
493 print_sample_start(sample, thread, evsel);
495 if (PRINT_FIELD(PERIOD))
496 printf("%10" PRIu64 " ", sample->period);
498 if (PRINT_FIELD(EVNAME)) {
499 const char *evname = perf_evsel__name(evsel);
500 printf("%s: ", evname ? evname : "[unknown]");
504 print_sample_flags(sample->flags);
506 if (is_bts_event(attr)) {
507 print_sample_bts(event, sample, evsel, thread, al);
511 if (PRINT_FIELD(TRACE))
512 event_format__print(evsel->tp_format, sample->cpu,
513 sample->raw_data, sample->raw_size);
514 if (PRINT_FIELD(ADDR))
515 print_sample_addr(event, sample, thread, attr);
517 if (PRINT_FIELD(IP)) {
518 if (!symbol_conf.use_callchain)
523 perf_evsel__print_ip(evsel, sample, al,
524 output[attr->type].print_ip_opts,
525 PERF_MAX_STACK_DEPTH);
531 static int default_start_script(const char *script __maybe_unused,
532 int argc __maybe_unused,
533 const char **argv __maybe_unused)
538 static int default_flush_script(void)
543 static int default_stop_script(void)
548 static int default_generate_script(struct pevent *pevent __maybe_unused,
549 const char *outfile __maybe_unused)
554 static struct scripting_ops default_scripting_ops = {
555 .start_script = default_start_script,
556 .flush_script = default_flush_script,
557 .stop_script = default_stop_script,
558 .process_event = process_event,
559 .generate_script = default_generate_script,
562 static struct scripting_ops *scripting_ops;
564 static void setup_scripting(void)
566 setup_perl_scripting();
567 setup_python_scripting();
569 scripting_ops = &default_scripting_ops;
572 static int flush_scripting(void)
574 return scripting_ops->flush_script();
577 static int cleanup_scripting(void)
579 pr_debug("\nperf script stopped\n");
581 return scripting_ops->stop_script();
584 static int process_sample_event(struct perf_tool *tool __maybe_unused,
585 union perf_event *event,
586 struct perf_sample *sample,
587 struct perf_evsel *evsel,
588 struct machine *machine)
590 struct addr_location al;
593 if (sample->time < last_timestamp) {
594 pr_err("Samples misordered, previous: %" PRIu64
595 " this: %" PRIu64 "\n", last_timestamp,
599 last_timestamp = sample->time;
603 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
604 pr_err("problem processing %d event, skipping it.\n",
612 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
615 scripting_ops->process_event(event, sample, evsel, &al);
617 addr_location__put(&al);
622 struct perf_tool tool;
623 struct perf_session *session;
624 bool show_task_events;
625 bool show_mmap_events;
626 bool show_switch_events;
629 static int process_attr(struct perf_tool *tool, union perf_event *event,
630 struct perf_evlist **pevlist)
632 struct perf_script *scr = container_of(tool, struct perf_script, tool);
633 struct perf_evlist *evlist;
634 struct perf_evsel *evsel, *pos;
637 err = perf_event__process_attr(tool, event, pevlist);
642 evsel = perf_evlist__last(*pevlist);
644 if (evsel->attr.type >= PERF_TYPE_MAX)
647 evlist__for_each(evlist, pos) {
648 if (pos->attr.type == evsel->attr.type && pos != evsel)
652 set_print_ip_opts(&evsel->attr);
654 return perf_evsel__check_attr(evsel, scr->session);
657 static int process_comm_event(struct perf_tool *tool,
658 union perf_event *event,
659 struct perf_sample *sample,
660 struct machine *machine)
662 struct thread *thread;
663 struct perf_script *script = container_of(tool, struct perf_script, tool);
664 struct perf_session *session = script->session;
665 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
668 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
669 if (thread == NULL) {
670 pr_debug("problem processing COMM event, skipping it.\n");
674 if (perf_event__process_comm(tool, event, sample, machine) < 0)
677 if (!evsel->attr.sample_id_all) {
680 sample->tid = event->comm.tid;
681 sample->pid = event->comm.pid;
683 print_sample_start(sample, thread, evsel);
684 perf_event__fprintf(event, stdout);
691 static int process_fork_event(struct perf_tool *tool,
692 union perf_event *event,
693 struct perf_sample *sample,
694 struct machine *machine)
696 struct thread *thread;
697 struct perf_script *script = container_of(tool, struct perf_script, tool);
698 struct perf_session *session = script->session;
699 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
701 if (perf_event__process_fork(tool, event, sample, machine) < 0)
704 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
705 if (thread == NULL) {
706 pr_debug("problem processing FORK event, skipping it.\n");
710 if (!evsel->attr.sample_id_all) {
712 sample->time = event->fork.time;
713 sample->tid = event->fork.tid;
714 sample->pid = event->fork.pid;
716 print_sample_start(sample, thread, evsel);
717 perf_event__fprintf(event, stdout);
722 static int process_exit_event(struct perf_tool *tool,
723 union perf_event *event,
724 struct perf_sample *sample,
725 struct machine *machine)
728 struct thread *thread;
729 struct perf_script *script = container_of(tool, struct perf_script, tool);
730 struct perf_session *session = script->session;
731 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
733 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
734 if (thread == NULL) {
735 pr_debug("problem processing EXIT event, skipping it.\n");
739 if (!evsel->attr.sample_id_all) {
742 sample->tid = event->comm.tid;
743 sample->pid = event->comm.pid;
745 print_sample_start(sample, thread, evsel);
746 perf_event__fprintf(event, stdout);
748 if (perf_event__process_exit(tool, event, sample, machine) < 0)
755 static int process_mmap_event(struct perf_tool *tool,
756 union perf_event *event,
757 struct perf_sample *sample,
758 struct machine *machine)
760 struct thread *thread;
761 struct perf_script *script = container_of(tool, struct perf_script, tool);
762 struct perf_session *session = script->session;
763 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
765 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
768 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
769 if (thread == NULL) {
770 pr_debug("problem processing MMAP event, skipping it.\n");
774 if (!evsel->attr.sample_id_all) {
777 sample->tid = event->mmap.tid;
778 sample->pid = event->mmap.pid;
780 print_sample_start(sample, thread, evsel);
781 perf_event__fprintf(event, stdout);
786 static int process_mmap2_event(struct perf_tool *tool,
787 union perf_event *event,
788 struct perf_sample *sample,
789 struct machine *machine)
791 struct thread *thread;
792 struct perf_script *script = container_of(tool, struct perf_script, tool);
793 struct perf_session *session = script->session;
794 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
796 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
799 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
800 if (thread == NULL) {
801 pr_debug("problem processing MMAP2 event, skipping it.\n");
805 if (!evsel->attr.sample_id_all) {
808 sample->tid = event->mmap2.tid;
809 sample->pid = event->mmap2.pid;
811 print_sample_start(sample, thread, evsel);
812 perf_event__fprintf(event, stdout);
817 static int process_switch_event(struct perf_tool *tool,
818 union perf_event *event,
819 struct perf_sample *sample,
820 struct machine *machine)
822 struct thread *thread;
823 struct perf_script *script = container_of(tool, struct perf_script, tool);
824 struct perf_session *session = script->session;
825 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
827 if (perf_event__process_switch(tool, event, sample, machine) < 0)
830 thread = machine__findnew_thread(machine, sample->pid,
832 if (thread == NULL) {
833 pr_debug("problem processing SWITCH event, skipping it.\n");
837 print_sample_start(sample, thread, evsel);
838 perf_event__fprintf(event, stdout);
843 static void sig_handler(int sig __maybe_unused)
848 static int __cmd_script(struct perf_script *script)
852 signal(SIGINT, sig_handler);
854 /* override event processing functions */
855 if (script->show_task_events) {
856 script->tool.comm = process_comm_event;
857 script->tool.fork = process_fork_event;
858 script->tool.exit = process_exit_event;
860 if (script->show_mmap_events) {
861 script->tool.mmap = process_mmap_event;
862 script->tool.mmap2 = process_mmap2_event;
864 if (script->show_switch_events)
865 script->tool.context_switch = process_switch_event;
867 ret = perf_session__process_events(script->session);
870 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
876 struct list_head node;
877 struct scripting_ops *ops;
881 static LIST_HEAD(script_specs);
883 static struct script_spec *script_spec__new(const char *spec,
884 struct scripting_ops *ops)
886 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
889 strcpy(s->spec, spec);
896 static void script_spec__add(struct script_spec *s)
898 list_add_tail(&s->node, &script_specs);
901 static struct script_spec *script_spec__find(const char *spec)
903 struct script_spec *s;
905 list_for_each_entry(s, &script_specs, node)
906 if (strcasecmp(s->spec, spec) == 0)
911 static struct script_spec *script_spec__findnew(const char *spec,
912 struct scripting_ops *ops)
914 struct script_spec *s = script_spec__find(spec);
919 s = script_spec__new(spec, ops);
928 int script_spec_register(const char *spec, struct scripting_ops *ops)
930 struct script_spec *s;
932 s = script_spec__find(spec);
936 s = script_spec__findnew(spec, ops);
943 static struct scripting_ops *script_spec__lookup(const char *spec)
945 struct script_spec *s = script_spec__find(spec);
952 static void list_available_languages(void)
954 struct script_spec *s;
956 fprintf(stderr, "\n");
957 fprintf(stderr, "Scripting language extensions (used in "
958 "perf script -s [spec:]script.[spec]):\n\n");
960 list_for_each_entry(s, &script_specs, node)
961 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
963 fprintf(stderr, "\n");
966 static int parse_scriptname(const struct option *opt __maybe_unused,
967 const char *str, int unset __maybe_unused)
970 const char *script, *ext;
973 if (strcmp(str, "lang") == 0) {
974 list_available_languages();
978 script = strchr(str, ':');
981 if (len >= PATH_MAX) {
982 fprintf(stderr, "invalid language specifier");
985 strncpy(spec, str, len);
987 scripting_ops = script_spec__lookup(spec);
988 if (!scripting_ops) {
989 fprintf(stderr, "invalid language specifier");
995 ext = strrchr(script, '.');
997 fprintf(stderr, "invalid script extension");
1000 scripting_ops = script_spec__lookup(++ext);
1001 if (!scripting_ops) {
1002 fprintf(stderr, "invalid script extension");
1007 script_name = strdup(script);
1012 static int parse_output_fields(const struct option *opt __maybe_unused,
1013 const char *arg, int unset __maybe_unused)
1016 int i, imax = ARRAY_SIZE(all_output_options);
1019 char *str = strdup(arg);
1025 /* first word can state for which event type the user is specifying
1026 * the fields. If no type exists, the specified fields apply to all
1027 * event types found in the file minus the invalid fields for a type.
1029 tok = strchr(str, ':');
1033 if (!strcmp(str, "hw"))
1034 type = PERF_TYPE_HARDWARE;
1035 else if (!strcmp(str, "sw"))
1036 type = PERF_TYPE_SOFTWARE;
1037 else if (!strcmp(str, "trace"))
1038 type = PERF_TYPE_TRACEPOINT;
1039 else if (!strcmp(str, "raw"))
1040 type = PERF_TYPE_RAW;
1042 fprintf(stderr, "Invalid event type in field string.\n");
1047 if (output[type].user_set)
1048 pr_warning("Overriding previous field request for %s events.\n",
1051 output[type].fields = 0;
1052 output[type].user_set = true;
1053 output[type].wildcard_set = false;
1057 if (strlen(str) == 0) {
1059 "Cannot set fields to 'none' for all event types.\n");
1064 if (output_set_by_user())
1065 pr_warning("Overriding previous field request for all events.\n");
1067 for (j = 0; j < PERF_TYPE_MAX; ++j) {
1068 output[j].fields = 0;
1069 output[j].user_set = true;
1070 output[j].wildcard_set = true;
1074 for (tok = strtok(tok, ","); tok; tok = strtok(NULL, ",")) {
1075 for (i = 0; i < imax; ++i) {
1076 if (strcmp(tok, all_output_options[i].str) == 0)
1079 if (i == imax && strcmp(tok, "flags") == 0) {
1084 fprintf(stderr, "Invalid field requested.\n");
1090 /* add user option to all events types for
1093 for (j = 0; j < PERF_TYPE_MAX; ++j) {
1094 if (output[j].invalid_fields & all_output_options[i].field) {
1095 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
1096 all_output_options[i].str, event_type(j));
1098 output[j].fields |= all_output_options[i].field;
1101 if (output[type].invalid_fields & all_output_options[i].field) {
1102 fprintf(stderr, "\'%s\' not valid for %s events.\n",
1103 all_output_options[i].str, event_type(type));
1108 output[type].fields |= all_output_options[i].field;
1113 if (output[type].fields == 0) {
1114 pr_debug("No fields requested for %s type. "
1115 "Events will not be displayed.\n", event_type(type));
1124 /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
1125 static int is_directory(const char *base_path, const struct dirent *dent)
1127 char path[PATH_MAX];
1130 sprintf(path, "%s/%s", base_path, dent->d_name);
1131 if (stat(path, &st))
1134 return S_ISDIR(st.st_mode);
1137 #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\
1138 while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \
1140 if ((lang_dirent.d_type == DT_DIR || \
1141 (lang_dirent.d_type == DT_UNKNOWN && \
1142 is_directory(scripts_path, &lang_dirent))) && \
1143 (strcmp(lang_dirent.d_name, ".")) && \
1144 (strcmp(lang_dirent.d_name, "..")))
1146 #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\
1147 while (!readdir_r(lang_dir, &script_dirent, &script_next) && \
1149 if (script_dirent.d_type != DT_DIR && \
1150 (script_dirent.d_type != DT_UNKNOWN || \
1151 !is_directory(lang_path, &script_dirent)))
1154 #define RECORD_SUFFIX "-record"
1155 #define REPORT_SUFFIX "-report"
1157 struct script_desc {
1158 struct list_head node;
1164 static LIST_HEAD(script_descs);
1166 static struct script_desc *script_desc__new(const char *name)
1168 struct script_desc *s = zalloc(sizeof(*s));
1170 if (s != NULL && name)
1171 s->name = strdup(name);
1176 static void script_desc__delete(struct script_desc *s)
1179 zfree(&s->half_liner);
1184 static void script_desc__add(struct script_desc *s)
1186 list_add_tail(&s->node, &script_descs);
1189 static struct script_desc *script_desc__find(const char *name)
1191 struct script_desc *s;
1193 list_for_each_entry(s, &script_descs, node)
1194 if (strcasecmp(s->name, name) == 0)
1199 static struct script_desc *script_desc__findnew(const char *name)
1201 struct script_desc *s = script_desc__find(name);
1206 s = script_desc__new(name);
1208 goto out_delete_desc;
1210 script_desc__add(s);
1215 script_desc__delete(s);
1220 static const char *ends_with(const char *str, const char *suffix)
1222 size_t suffix_len = strlen(suffix);
1223 const char *p = str;
1225 if (strlen(str) > suffix_len) {
1226 p = str + strlen(str) - suffix_len;
1227 if (!strncmp(p, suffix, suffix_len))
1234 static int read_script_info(struct script_desc *desc, const char *filename)
1236 char line[BUFSIZ], *p;
1239 fp = fopen(filename, "r");
1243 while (fgets(line, sizeof(line), fp)) {
1250 if (strlen(p) && *p == '!')
1254 if (strlen(p) && p[strlen(p) - 1] == '\n')
1255 p[strlen(p) - 1] = '\0';
1257 if (!strncmp(p, "description:", strlen("description:"))) {
1258 p += strlen("description:");
1259 desc->half_liner = strdup(ltrim(p));
1263 if (!strncmp(p, "args:", strlen("args:"))) {
1264 p += strlen("args:");
1265 desc->args = strdup(ltrim(p));
1275 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
1277 char *script_root, *str;
1279 script_root = strdup(script_dirent->d_name);
1283 str = (char *)ends_with(script_root, suffix);
1293 static int list_available_scripts(const struct option *opt __maybe_unused,
1294 const char *s __maybe_unused,
1295 int unset __maybe_unused)
1297 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
1298 char scripts_path[MAXPATHLEN];
1299 DIR *scripts_dir, *lang_dir;
1300 char script_path[MAXPATHLEN];
1301 char lang_path[MAXPATHLEN];
1302 struct script_desc *desc;
1303 char first_half[BUFSIZ];
1306 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1308 scripts_dir = opendir(scripts_path);
1312 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1313 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
1314 lang_dirent.d_name);
1315 lang_dir = opendir(lang_path);
1319 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1320 script_root = get_script_root(&script_dirent, REPORT_SUFFIX);
1322 desc = script_desc__findnew(script_root);
1323 snprintf(script_path, MAXPATHLEN, "%s/%s",
1324 lang_path, script_dirent.d_name);
1325 read_script_info(desc, script_path);
1331 fprintf(stdout, "List of available trace scripts:\n");
1332 list_for_each_entry(desc, &script_descs, node) {
1333 sprintf(first_half, "%s %s", desc->name,
1334 desc->args ? desc->args : "");
1335 fprintf(stdout, " %-36s %s\n", first_half,
1336 desc->half_liner ? desc->half_liner : "");
1343 * Some scripts specify the required events in their "xxx-record" file,
1344 * this function will check if the events in perf.data match those
1345 * mentioned in the "xxx-record".
1347 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
1348 * which is covered well now. And new parsing code should be added to
1349 * cover the future complexing formats like event groups etc.
1351 static int check_ev_match(char *dir_name, char *scriptname,
1352 struct perf_session *session)
1354 char filename[MAXPATHLEN], evname[128];
1355 char line[BUFSIZ], *p;
1356 struct perf_evsel *pos;
1360 sprintf(filename, "%s/bin/%s-record", dir_name, scriptname);
1362 fp = fopen(filename, "r");
1366 while (fgets(line, sizeof(line), fp)) {
1372 p = strstr(p, "-e");
1378 len = strcspn(p, " \t");
1382 snprintf(evname, len + 1, "%s", p);
1385 evlist__for_each(session->evlist, pos) {
1386 if (!strcmp(perf_evsel__name(pos), evname)) {
1404 * Return -1 if none is found, otherwise the actual scripts number.
1406 * Currently the only user of this function is the script browser, which
1407 * will list all statically runnable scripts, select one, execute it and
1408 * show the output in a perf browser.
1410 int find_scripts(char **scripts_array, char **scripts_path_array)
1412 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
1413 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
1414 DIR *scripts_dir, *lang_dir;
1415 struct perf_session *session;
1416 struct perf_data_file file = {
1418 .mode = PERF_DATA_MODE_READ,
1423 session = perf_session__new(&file, false, NULL);
1427 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1429 scripts_dir = opendir(scripts_path);
1431 perf_session__delete(session);
1435 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1436 snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
1437 lang_dirent.d_name);
1439 if (strstr(lang_path, "perl"))
1443 if (strstr(lang_path, "python"))
1447 lang_dir = opendir(lang_path);
1451 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1452 /* Skip those real time scripts: xxxtop.p[yl] */
1453 if (strstr(script_dirent.d_name, "top."))
1455 sprintf(scripts_path_array[i], "%s/%s", lang_path,
1456 script_dirent.d_name);
1457 temp = strchr(script_dirent.d_name, '.');
1458 snprintf(scripts_array[i],
1459 (temp - script_dirent.d_name) + 1,
1460 "%s", script_dirent.d_name);
1462 if (check_ev_match(lang_path,
1463 scripts_array[i], session))
1471 closedir(scripts_dir);
1472 perf_session__delete(session);
1476 static char *get_script_path(const char *script_root, const char *suffix)
1478 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
1479 char scripts_path[MAXPATHLEN];
1480 char script_path[MAXPATHLEN];
1481 DIR *scripts_dir, *lang_dir;
1482 char lang_path[MAXPATHLEN];
1483 char *__script_root;
1485 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1487 scripts_dir = opendir(scripts_path);
1491 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1492 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
1493 lang_dirent.d_name);
1494 lang_dir = opendir(lang_path);
1498 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1499 __script_root = get_script_root(&script_dirent, suffix);
1500 if (__script_root && !strcmp(script_root, __script_root)) {
1501 free(__script_root);
1503 closedir(scripts_dir);
1504 snprintf(script_path, MAXPATHLEN, "%s/%s",
1505 lang_path, script_dirent.d_name);
1506 return strdup(script_path);
1508 free(__script_root);
1512 closedir(scripts_dir);
1517 static bool is_top_script(const char *script_path)
1519 return ends_with(script_path, "top") == NULL ? false : true;
1522 static int has_required_arg(char *script_path)
1524 struct script_desc *desc;
1528 desc = script_desc__new(NULL);
1530 if (read_script_info(desc, script_path))
1536 for (p = desc->args; *p; p++)
1540 script_desc__delete(desc);
1545 static int have_cmd(int argc, const char **argv)
1547 char **__argv = malloc(sizeof(const char *) * argc);
1550 pr_err("malloc failed\n");
1554 memcpy(__argv, argv, sizeof(const char *) * argc);
1555 argc = parse_options(argc, (const char **)__argv, record_options,
1556 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
1559 system_wide = (argc == 0);
1564 static void script__setup_sample_type(struct perf_script *script)
1566 struct perf_session *session = script->session;
1567 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
1569 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
1570 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
1571 (sample_type & PERF_SAMPLE_STACK_USER))
1572 callchain_param.record_mode = CALLCHAIN_DWARF;
1573 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
1574 callchain_param.record_mode = CALLCHAIN_LBR;
1576 callchain_param.record_mode = CALLCHAIN_FP;
1580 int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
1582 bool show_full_info = false;
1583 bool header = false;
1584 bool header_only = false;
1585 bool script_started = false;
1586 char *rec_script_path = NULL;
1587 char *rep_script_path = NULL;
1588 struct perf_session *session;
1589 struct itrace_synth_opts itrace_synth_opts = { .set = false, };
1590 char *script_path = NULL;
1591 const char **__argv;
1593 struct perf_script script = {
1595 .sample = process_sample_event,
1596 .mmap = perf_event__process_mmap,
1597 .mmap2 = perf_event__process_mmap2,
1598 .comm = perf_event__process_comm,
1599 .exit = perf_event__process_exit,
1600 .fork = perf_event__process_fork,
1601 .attr = process_attr,
1602 .tracing_data = perf_event__process_tracing_data,
1603 .build_id = perf_event__process_build_id,
1604 .id_index = perf_event__process_id_index,
1605 .auxtrace_info = perf_event__process_auxtrace_info,
1606 .auxtrace = perf_event__process_auxtrace,
1607 .auxtrace_error = perf_event__process_auxtrace_error,
1608 .ordered_events = true,
1609 .ordering_requires_timestamps = true,
1612 struct perf_data_file file = {
1613 .mode = PERF_DATA_MODE_READ,
1615 const struct option options[] = {
1616 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1617 "dump raw trace in ASCII"),
1618 OPT_INCR('v', "verbose", &verbose,
1619 "be more verbose (show symbol address, etc)"),
1620 OPT_BOOLEAN('L', "Latency", &latency_format,
1621 "show latency attributes (irqs/preemption disabled, etc)"),
1622 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
1623 list_available_scripts),
1624 OPT_CALLBACK('s', "script", NULL, "name",
1625 "script file name (lang:script name, script name, or *)",
1627 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
1628 "generate perf-script.xx script in specified language"),
1629 OPT_STRING('i', "input", &input_name, "file", "input file name"),
1630 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
1631 "do various checks like samples ordering and lost events"),
1632 OPT_BOOLEAN(0, "header", &header, "Show data header."),
1633 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
1634 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1635 "file", "vmlinux pathname"),
1636 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
1637 "file", "kallsyms pathname"),
1638 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
1639 "When printing symbols do not display call chain"),
1640 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
1641 "Look for files with symbols relative to this directory"),
1642 OPT_CALLBACK('F', "fields", NULL, "str",
1643 "comma separated output fields prepend with 'type:'. "
1644 "Valid types: hw,sw,trace,raw. "
1645 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
1646 "addr,symoff,period,flags", parse_output_fields),
1647 OPT_BOOLEAN('a', "all-cpus", &system_wide,
1648 "system-wide collection from all CPUs"),
1649 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
1650 "only consider these symbols"),
1651 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
1652 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
1653 "only display events for these comms"),
1654 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
1655 "only consider symbols in these pids"),
1656 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
1657 "only consider symbols in these tids"),
1658 OPT_BOOLEAN('I', "show-info", &show_full_info,
1659 "display extended information from perf.data file"),
1660 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
1661 "Show the path of [kernel.kallsyms]"),
1662 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
1663 "Show the fork/comm/exit events"),
1664 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
1665 "Show the mmap events"),
1666 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
1667 "Show context switch events (if recorded)"),
1668 OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
1669 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
1670 "Instruction Tracing options",
1671 itrace_parse_synth_opts),
1672 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
1673 "Show full source file name path for source lines"),
1676 const char * const script_subcommands[] = { "record", "report", NULL };
1677 const char *script_usage[] = {
1678 "perf script [<options>]",
1679 "perf script [<options>] record <script> [<record-options>] <command>",
1680 "perf script [<options>] report <script> [script-args]",
1681 "perf script [<options>] <script> [<record-options>] <command>",
1682 "perf script [<options>] <top-script> [script-args]",
1688 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
1689 PARSE_OPT_STOP_AT_NON_OPTION);
1691 file.path = input_name;
1693 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
1694 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
1695 if (!rec_script_path)
1696 return cmd_record(argc, argv, NULL);
1699 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
1700 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
1701 if (!rep_script_path) {
1703 "Please specify a valid report script"
1704 "(see 'perf script -l' for listing)\n");
1709 /* make sure PERF_EXEC_PATH is set for scripts */
1710 perf_set_argv_exec_path(perf_exec_path());
1712 if (argc && !script_name && !rec_script_path && !rep_script_path) {
1717 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
1718 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
1720 if (!rec_script_path && !rep_script_path) {
1721 fprintf(stderr, " Couldn't find script %s\n\n See perf"
1722 " script -l for available scripts.\n", argv[0]);
1723 usage_with_options(script_usage, options);
1726 if (is_top_script(argv[0])) {
1727 rep_args = argc - 1;
1731 rep_args = has_required_arg(rep_script_path);
1732 rec_args = (argc - 1) - rep_args;
1734 fprintf(stderr, " %s script requires options."
1735 "\n\n See perf script -l for available "
1736 "scripts and options.\n", argv[0]);
1737 usage_with_options(script_usage, options);
1741 if (pipe(live_pipe) < 0) {
1742 perror("failed to create pipe");
1748 perror("failed to fork");
1755 dup2(live_pipe[1], 1);
1756 close(live_pipe[0]);
1758 if (is_top_script(argv[0])) {
1760 } else if (!system_wide) {
1761 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
1767 __argv = malloc((argc + 6) * sizeof(const char *));
1769 pr_err("malloc failed\n");
1774 __argv[j++] = "/bin/sh";
1775 __argv[j++] = rec_script_path;
1781 for (i = rep_args + 1; i < argc; i++)
1782 __argv[j++] = argv[i];
1785 execvp("/bin/sh", (char **)__argv);
1790 dup2(live_pipe[0], 0);
1791 close(live_pipe[1]);
1793 __argv = malloc((argc + 4) * sizeof(const char *));
1795 pr_err("malloc failed\n");
1801 __argv[j++] = "/bin/sh";
1802 __argv[j++] = rep_script_path;
1803 for (i = 1; i < rep_args + 1; i++)
1804 __argv[j++] = argv[i];
1809 execvp("/bin/sh", (char **)__argv);
1814 if (rec_script_path)
1815 script_path = rec_script_path;
1816 if (rep_script_path)
1817 script_path = rep_script_path;
1822 if (!rec_script_path)
1823 system_wide = false;
1824 else if (!system_wide) {
1825 if (have_cmd(argc - 1, &argv[1]) != 0) {
1831 __argv = malloc((argc + 2) * sizeof(const char *));
1833 pr_err("malloc failed\n");
1838 __argv[j++] = "/bin/sh";
1839 __argv[j++] = script_path;
1842 for (i = 2; i < argc; i++)
1843 __argv[j++] = argv[i];
1846 execvp("/bin/sh", (char **)__argv);
1854 session = perf_session__new(&file, false, &script.tool);
1855 if (session == NULL)
1858 if (header || header_only) {
1859 perf_session__fprintf_info(session, stdout, show_full_info);
1864 if (symbol__init(&session->header.env) < 0)
1867 script.session = session;
1868 script__setup_sample_type(&script);
1870 session->itrace_synth_opts = &itrace_synth_opts;
1873 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
1879 symbol_conf.use_callchain = true;
1881 symbol_conf.use_callchain = false;
1883 if (session->tevent.pevent &&
1884 pevent_set_function_resolver(session->tevent.pevent,
1885 machine__resolve_kernel_addr,
1886 &session->machines.host) < 0) {
1887 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
1891 if (generate_script_lang) {
1892 struct stat perf_stat;
1895 if (output_set_by_user()) {
1897 "custom fields not supported for generated scripts");
1902 input = open(file.path, O_RDONLY); /* input_name */
1905 perror("failed to open file");
1909 err = fstat(input, &perf_stat);
1911 perror("failed to stat file");
1915 if (!perf_stat.st_size) {
1916 fprintf(stderr, "zero-sized file, nothing to do!\n");
1920 scripting_ops = script_spec__lookup(generate_script_lang);
1921 if (!scripting_ops) {
1922 fprintf(stderr, "invalid language specifier");
1927 err = scripting_ops->generate_script(session->tevent.pevent,
1933 err = scripting_ops->start_script(script_name, argc, argv);
1936 pr_debug("perf script started with script %s\n\n", script_name);
1937 script_started = true;
1941 err = perf_session__check_output_opt(session);
1945 err = __cmd_script(&script);
1950 perf_session__delete(session);
1953 cleanup_scripting();