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 <linux/bitmap.h>
21 static char const *script_name
;
22 static char const *generate_script_lang
;
23 static bool debug_mode
;
24 static u64 last_timestamp
;
25 static u64 nr_unordered
;
26 extern const struct option record_options
[];
27 static bool no_callchain
;
28 static bool latency_format
;
29 static bool system_wide
;
30 static const char *cpu_list
;
31 static DECLARE_BITMAP(cpu_bitmap
, MAX_NR_CPUS
);
33 enum perf_output_field
{
34 PERF_OUTPUT_COMM
= 1U << 0,
35 PERF_OUTPUT_TID
= 1U << 1,
36 PERF_OUTPUT_PID
= 1U << 2,
37 PERF_OUTPUT_TIME
= 1U << 3,
38 PERF_OUTPUT_CPU
= 1U << 4,
39 PERF_OUTPUT_EVNAME
= 1U << 5,
40 PERF_OUTPUT_TRACE
= 1U << 6,
41 PERF_OUTPUT_IP
= 1U << 7,
42 PERF_OUTPUT_SYM
= 1U << 8,
43 PERF_OUTPUT_DSO
= 1U << 9,
44 PERF_OUTPUT_ADDR
= 1U << 10,
45 PERF_OUTPUT_SYMOFFSET
= 1U << 11,
46 PERF_OUTPUT_SRCLINE
= 1U << 12,
47 PERF_OUTPUT_PERIOD
= 1U << 13,
50 struct output_option
{
52 enum perf_output_field field
;
53 } all_output_options
[] = {
54 {.str
= "comm", .field
= PERF_OUTPUT_COMM
},
55 {.str
= "tid", .field
= PERF_OUTPUT_TID
},
56 {.str
= "pid", .field
= PERF_OUTPUT_PID
},
57 {.str
= "time", .field
= PERF_OUTPUT_TIME
},
58 {.str
= "cpu", .field
= PERF_OUTPUT_CPU
},
59 {.str
= "event", .field
= PERF_OUTPUT_EVNAME
},
60 {.str
= "trace", .field
= PERF_OUTPUT_TRACE
},
61 {.str
= "ip", .field
= PERF_OUTPUT_IP
},
62 {.str
= "sym", .field
= PERF_OUTPUT_SYM
},
63 {.str
= "dso", .field
= PERF_OUTPUT_DSO
},
64 {.str
= "addr", .field
= PERF_OUTPUT_ADDR
},
65 {.str
= "symoff", .field
= PERF_OUTPUT_SYMOFFSET
},
66 {.str
= "srcline", .field
= PERF_OUTPUT_SRCLINE
},
67 {.str
= "period", .field
= PERF_OUTPUT_PERIOD
},
70 /* default set to maintain compatibility with current format */
74 unsigned int print_ip_opts
;
77 } output
[PERF_TYPE_MAX
] = {
79 [PERF_TYPE_HARDWARE
] = {
82 .fields
= PERF_OUTPUT_COMM
| PERF_OUTPUT_TID
|
83 PERF_OUTPUT_CPU
| PERF_OUTPUT_TIME
|
84 PERF_OUTPUT_EVNAME
| PERF_OUTPUT_IP
|
85 PERF_OUTPUT_SYM
| PERF_OUTPUT_DSO
,
87 .invalid_fields
= PERF_OUTPUT_TRACE
,
90 [PERF_TYPE_SOFTWARE
] = {
93 .fields
= PERF_OUTPUT_COMM
| PERF_OUTPUT_TID
|
94 PERF_OUTPUT_CPU
| PERF_OUTPUT_TIME
|
95 PERF_OUTPUT_EVNAME
| PERF_OUTPUT_IP
|
96 PERF_OUTPUT_SYM
| PERF_OUTPUT_DSO
,
98 .invalid_fields
= PERF_OUTPUT_TRACE
,
101 [PERF_TYPE_TRACEPOINT
] = {
104 .fields
= PERF_OUTPUT_COMM
| PERF_OUTPUT_TID
|
105 PERF_OUTPUT_CPU
| PERF_OUTPUT_TIME
|
106 PERF_OUTPUT_EVNAME
| PERF_OUTPUT_TRACE
,
112 .fields
= PERF_OUTPUT_COMM
| PERF_OUTPUT_TID
|
113 PERF_OUTPUT_CPU
| PERF_OUTPUT_TIME
|
114 PERF_OUTPUT_EVNAME
| PERF_OUTPUT_IP
|
115 PERF_OUTPUT_SYM
| PERF_OUTPUT_DSO
,
117 .invalid_fields
= PERF_OUTPUT_TRACE
,
121 static bool output_set_by_user(void)
124 for (j
= 0; j
< PERF_TYPE_MAX
; ++j
) {
125 if (output
[j
].user_set
)
131 static const char *output_field2str(enum perf_output_field field
)
133 int i
, imax
= ARRAY_SIZE(all_output_options
);
134 const char *str
= "";
136 for (i
= 0; i
< imax
; ++i
) {
137 if (all_output_options
[i
].field
== field
) {
138 str
= all_output_options
[i
].str
;
145 #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x)
147 static int perf_evsel__check_stype(struct perf_evsel
*evsel
,
148 u64 sample_type
, const char *sample_msg
,
149 enum perf_output_field field
)
151 struct perf_event_attr
*attr
= &evsel
->attr
;
152 int type
= attr
->type
;
155 if (attr
->sample_type
& sample_type
)
158 if (output
[type
].user_set
) {
159 evname
= perf_evsel__name(evsel
);
160 pr_err("Samples for '%s' event do not have %s attribute set. "
161 "Cannot print '%s' field.\n",
162 evname
, sample_msg
, output_field2str(field
));
166 /* user did not ask for it explicitly so remove from the default list */
167 output
[type
].fields
&= ~field
;
168 evname
= perf_evsel__name(evsel
);
169 pr_debug("Samples for '%s' event do not have %s attribute set. "
170 "Skipping '%s' field.\n",
171 evname
, sample_msg
, output_field2str(field
));
176 static int perf_evsel__check_attr(struct perf_evsel
*evsel
,
177 struct perf_session
*session
)
179 struct perf_event_attr
*attr
= &evsel
->attr
;
181 if (PRINT_FIELD(TRACE
) &&
182 !perf_session__has_traces(session
, "record -R"))
185 if (PRINT_FIELD(IP
)) {
186 if (perf_evsel__check_stype(evsel
, PERF_SAMPLE_IP
, "IP",
191 if (PRINT_FIELD(ADDR
) &&
192 perf_evsel__check_stype(evsel
, PERF_SAMPLE_ADDR
, "ADDR",
196 if (PRINT_FIELD(SYM
) && !PRINT_FIELD(IP
) && !PRINT_FIELD(ADDR
)) {
197 pr_err("Display of symbols requested but neither sample IP nor "
198 "sample address\nis selected. Hence, no addresses to convert "
202 if (PRINT_FIELD(SYMOFFSET
) && !PRINT_FIELD(SYM
)) {
203 pr_err("Display of offsets requested but symbol is not"
207 if (PRINT_FIELD(DSO
) && !PRINT_FIELD(IP
) && !PRINT_FIELD(ADDR
)) {
208 pr_err("Display of DSO requested but neither sample IP nor "
209 "sample address\nis selected. Hence, no addresses to convert "
213 if (PRINT_FIELD(SRCLINE
) && !PRINT_FIELD(IP
)) {
214 pr_err("Display of source line number requested but sample IP is not\n"
215 "selected. Hence, no address to lookup the source line number.\n");
219 if ((PRINT_FIELD(PID
) || PRINT_FIELD(TID
)) &&
220 perf_evsel__check_stype(evsel
, PERF_SAMPLE_TID
, "TID",
221 PERF_OUTPUT_TID
|PERF_OUTPUT_PID
))
224 if (PRINT_FIELD(TIME
) &&
225 perf_evsel__check_stype(evsel
, PERF_SAMPLE_TIME
, "TIME",
229 if (PRINT_FIELD(CPU
) &&
230 perf_evsel__check_stype(evsel
, PERF_SAMPLE_CPU
, "CPU",
234 if (PRINT_FIELD(PERIOD
) &&
235 perf_evsel__check_stype(evsel
, PERF_SAMPLE_PERIOD
, "PERIOD",
242 static void set_print_ip_opts(struct perf_event_attr
*attr
)
244 unsigned int type
= attr
->type
;
246 output
[type
].print_ip_opts
= 0;
248 output
[type
].print_ip_opts
|= PRINT_IP_OPT_IP
;
250 if (PRINT_FIELD(SYM
))
251 output
[type
].print_ip_opts
|= PRINT_IP_OPT_SYM
;
253 if (PRINT_FIELD(DSO
))
254 output
[type
].print_ip_opts
|= PRINT_IP_OPT_DSO
;
256 if (PRINT_FIELD(SYMOFFSET
))
257 output
[type
].print_ip_opts
|= PRINT_IP_OPT_SYMOFFSET
;
259 if (PRINT_FIELD(SRCLINE
))
260 output
[type
].print_ip_opts
|= PRINT_IP_OPT_SRCLINE
;
264 * verify all user requested events exist and the samples
265 * have the expected data
267 static int perf_session__check_output_opt(struct perf_session
*session
)
270 struct perf_evsel
*evsel
;
272 for (j
= 0; j
< PERF_TYPE_MAX
; ++j
) {
273 evsel
= perf_session__find_first_evtype(session
, j
);
276 * even if fields is set to 0 (ie., show nothing) event must
277 * exist if user explicitly includes it on the command line
279 if (!evsel
&& output
[j
].user_set
&& !output
[j
].wildcard_set
) {
280 pr_err("%s events do not exist. "
281 "Remove corresponding -f option to proceed.\n",
286 if (evsel
&& output
[j
].fields
&&
287 perf_evsel__check_attr(evsel
, session
))
293 set_print_ip_opts(&evsel
->attr
);
297 bool use_callchain
= false;
299 evlist__for_each(session
->evlist
, evsel
) {
300 if (evsel
->attr
.sample_type
& PERF_SAMPLE_CALLCHAIN
) {
301 use_callchain
= true;
306 symbol_conf
.use_callchain
= false;
310 * set default for tracepoints to print symbols only
311 * if callchains are present
313 if (symbol_conf
.use_callchain
&&
314 !output
[PERF_TYPE_TRACEPOINT
].user_set
) {
315 struct perf_event_attr
*attr
;
317 j
= PERF_TYPE_TRACEPOINT
;
318 evsel
= perf_session__find_first_evtype(session
, j
);
324 if (attr
->sample_type
& PERF_SAMPLE_CALLCHAIN
) {
325 output
[j
].fields
|= PERF_OUTPUT_IP
;
326 output
[j
].fields
|= PERF_OUTPUT_SYM
;
327 output
[j
].fields
|= PERF_OUTPUT_DSO
;
328 set_print_ip_opts(attr
);
336 static void print_sample_start(struct perf_sample
*sample
,
337 struct thread
*thread
,
338 struct perf_evsel
*evsel
)
340 struct perf_event_attr
*attr
= &evsel
->attr
;
343 unsigned long long nsecs
;
345 if (PRINT_FIELD(COMM
)) {
347 printf("%8.8s ", thread__comm_str(thread
));
348 else if (PRINT_FIELD(IP
) && symbol_conf
.use_callchain
)
349 printf("%s ", thread__comm_str(thread
));
351 printf("%16s ", thread__comm_str(thread
));
354 if (PRINT_FIELD(PID
) && PRINT_FIELD(TID
))
355 printf("%5d/%-5d ", sample
->pid
, sample
->tid
);
356 else if (PRINT_FIELD(PID
))
357 printf("%5d ", sample
->pid
);
358 else if (PRINT_FIELD(TID
))
359 printf("%5d ", sample
->tid
);
361 if (PRINT_FIELD(CPU
)) {
363 printf("%3d ", sample
->cpu
);
365 printf("[%03d] ", sample
->cpu
);
368 if (PRINT_FIELD(TIME
)) {
369 nsecs
= sample
->time
;
370 secs
= nsecs
/ NSECS_PER_SEC
;
371 nsecs
-= secs
* NSECS_PER_SEC
;
372 usecs
= nsecs
/ NSECS_PER_USEC
;
373 printf("%5lu.%06lu: ", secs
, usecs
);
377 static void print_sample_addr(union perf_event
*event
,
378 struct perf_sample
*sample
,
379 struct machine
*machine
,
380 struct thread
*thread
,
381 struct perf_event_attr
*attr
)
383 struct addr_location al
;
385 printf("%16" PRIx64
, sample
->addr
);
387 if (!sample_addr_correlates_sym(attr
))
390 perf_event__preprocess_sample_addr(event
, sample
, machine
, thread
, &al
);
392 if (PRINT_FIELD(SYM
)) {
394 if (PRINT_FIELD(SYMOFFSET
))
395 symbol__fprintf_symname_offs(al
.sym
, &al
, stdout
);
397 symbol__fprintf_symname(al
.sym
, stdout
);
400 if (PRINT_FIELD(DSO
)) {
402 map__fprintf_dsoname(al
.map
, stdout
);
407 static void print_sample_bts(union perf_event
*event
,
408 struct perf_sample
*sample
,
409 struct perf_evsel
*evsel
,
410 struct thread
*thread
,
411 struct addr_location
*al
)
413 struct perf_event_attr
*attr
= &evsel
->attr
;
414 bool print_srcline_last
= false;
416 /* print branch_from information */
417 if (PRINT_FIELD(IP
)) {
418 unsigned int print_opts
= output
[attr
->type
].print_ip_opts
;
420 if (symbol_conf
.use_callchain
&& sample
->callchain
) {
424 if (print_opts
& PRINT_IP_OPT_SRCLINE
) {
425 print_srcline_last
= true;
426 print_opts
&= ~PRINT_IP_OPT_SRCLINE
;
429 perf_evsel__print_ip(evsel
, sample
, al
, print_opts
,
430 PERF_MAX_STACK_DEPTH
);
433 /* print branch_to information */
434 if (PRINT_FIELD(ADDR
) ||
435 ((evsel
->attr
.sample_type
& PERF_SAMPLE_ADDR
) &&
436 !output
[attr
->type
].user_set
)) {
438 print_sample_addr(event
, sample
, al
->machine
, thread
, attr
);
441 if (print_srcline_last
)
442 map__fprintf_srcline(al
->map
, al
->addr
, "\n ", stdout
);
447 static void process_event(union perf_event
*event
, struct perf_sample
*sample
,
448 struct perf_evsel
*evsel
, struct thread
*thread
,
449 struct addr_location
*al
)
451 struct perf_event_attr
*attr
= &evsel
->attr
;
453 if (output
[attr
->type
].fields
== 0)
456 print_sample_start(sample
, thread
, evsel
);
458 if (PRINT_FIELD(PERIOD
))
459 printf("%10" PRIu64
" ", sample
->period
);
461 if (PRINT_FIELD(EVNAME
)) {
462 const char *evname
= perf_evsel__name(evsel
);
463 printf("%s: ", evname
? evname
: "[unknown]");
466 if (is_bts_event(attr
)) {
467 print_sample_bts(event
, sample
, evsel
, thread
, al
);
471 if (PRINT_FIELD(TRACE
))
472 event_format__print(evsel
->tp_format
, sample
->cpu
,
473 sample
->raw_data
, sample
->raw_size
);
474 if (PRINT_FIELD(ADDR
))
475 print_sample_addr(event
, sample
, al
->machine
, thread
, attr
);
477 if (PRINT_FIELD(IP
)) {
478 if (!symbol_conf
.use_callchain
)
483 perf_evsel__print_ip(evsel
, sample
, al
,
484 output
[attr
->type
].print_ip_opts
,
485 PERF_MAX_STACK_DEPTH
);
491 static int default_start_script(const char *script __maybe_unused
,
492 int argc __maybe_unused
,
493 const char **argv __maybe_unused
)
498 static int default_flush_script(void)
503 static int default_stop_script(void)
508 static int default_generate_script(struct pevent
*pevent __maybe_unused
,
509 const char *outfile __maybe_unused
)
514 static struct scripting_ops default_scripting_ops
= {
515 .start_script
= default_start_script
,
516 .flush_script
= default_flush_script
,
517 .stop_script
= default_stop_script
,
518 .process_event
= process_event
,
519 .generate_script
= default_generate_script
,
522 static struct scripting_ops
*scripting_ops
;
524 static void setup_scripting(void)
526 setup_perl_scripting();
527 setup_python_scripting();
529 scripting_ops
= &default_scripting_ops
;
532 static int flush_scripting(void)
534 return scripting_ops
->flush_script();
537 static int cleanup_scripting(void)
539 pr_debug("\nperf script stopped\n");
541 return scripting_ops
->stop_script();
544 static int process_sample_event(struct perf_tool
*tool __maybe_unused
,
545 union perf_event
*event
,
546 struct perf_sample
*sample
,
547 struct perf_evsel
*evsel
,
548 struct machine
*machine
)
550 struct addr_location al
;
551 struct thread
*thread
= machine__findnew_thread(machine
, sample
->pid
,
554 if (thread
== NULL
) {
555 pr_debug("problem processing %d event, skipping it.\n",
561 if (sample
->time
< last_timestamp
) {
562 pr_err("Samples misordered, previous: %" PRIu64
563 " this: %" PRIu64
"\n", last_timestamp
,
567 last_timestamp
= sample
->time
;
571 if (perf_event__preprocess_sample(event
, machine
, &al
, sample
) < 0) {
572 pr_err("problem processing %d event, skipping it.\n",
580 if (cpu_list
&& !test_bit(sample
->cpu
, cpu_bitmap
))
583 scripting_ops
->process_event(event
, sample
, evsel
, thread
, &al
);
589 struct perf_tool tool
;
590 struct perf_session
*session
;
591 bool show_task_events
;
592 bool show_mmap_events
;
595 static int process_attr(struct perf_tool
*tool
, union perf_event
*event
,
596 struct perf_evlist
**pevlist
)
598 struct perf_script
*scr
= container_of(tool
, struct perf_script
, tool
);
599 struct perf_evlist
*evlist
;
600 struct perf_evsel
*evsel
, *pos
;
603 err
= perf_event__process_attr(tool
, event
, pevlist
);
608 evsel
= perf_evlist__last(*pevlist
);
610 if (evsel
->attr
.type
>= PERF_TYPE_MAX
)
613 evlist__for_each(evlist
, pos
) {
614 if (pos
->attr
.type
== evsel
->attr
.type
&& pos
!= evsel
)
618 set_print_ip_opts(&evsel
->attr
);
620 return perf_evsel__check_attr(evsel
, scr
->session
);
623 static int process_comm_event(struct perf_tool
*tool
,
624 union perf_event
*event
,
625 struct perf_sample
*sample
,
626 struct machine
*machine
)
628 struct thread
*thread
;
629 struct perf_script
*script
= container_of(tool
, struct perf_script
, tool
);
630 struct perf_session
*session
= script
->session
;
631 struct perf_evsel
*evsel
= perf_evlist__first(session
->evlist
);
634 thread
= machine__findnew_thread(machine
, event
->comm
.pid
, event
->comm
.tid
);
635 if (thread
== NULL
) {
636 pr_debug("problem processing COMM event, skipping it.\n");
640 if (perf_event__process_comm(tool
, event
, sample
, machine
) < 0)
643 if (!evsel
->attr
.sample_id_all
) {
646 sample
->tid
= event
->comm
.tid
;
647 sample
->pid
= event
->comm
.pid
;
649 print_sample_start(sample
, thread
, evsel
);
650 perf_event__fprintf(event
, stdout
);
657 static int process_fork_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__first(session
->evlist
);
667 if (perf_event__process_fork(tool
, event
, sample
, machine
) < 0)
670 thread
= machine__findnew_thread(machine
, event
->fork
.pid
, event
->fork
.tid
);
671 if (thread
== NULL
) {
672 pr_debug("problem processing FORK event, skipping it.\n");
676 if (!evsel
->attr
.sample_id_all
) {
678 sample
->time
= event
->fork
.time
;
679 sample
->tid
= event
->fork
.tid
;
680 sample
->pid
= event
->fork
.pid
;
682 print_sample_start(sample
, thread
, evsel
);
683 perf_event__fprintf(event
, stdout
);
687 static int process_exit_event(struct perf_tool
*tool
,
688 union perf_event
*event
,
689 struct perf_sample
*sample
,
690 struct machine
*machine
)
692 struct thread
*thread
;
693 struct perf_script
*script
= container_of(tool
, struct perf_script
, tool
);
694 struct perf_session
*session
= script
->session
;
695 struct perf_evsel
*evsel
= perf_evlist__first(session
->evlist
);
697 thread
= machine__findnew_thread(machine
, event
->fork
.pid
, event
->fork
.tid
);
698 if (thread
== NULL
) {
699 pr_debug("problem processing EXIT event, skipping it.\n");
703 if (!evsel
->attr
.sample_id_all
) {
706 sample
->tid
= event
->comm
.tid
;
707 sample
->pid
= event
->comm
.pid
;
709 print_sample_start(sample
, thread
, evsel
);
710 perf_event__fprintf(event
, stdout
);
712 if (perf_event__process_exit(tool
, event
, sample
, machine
) < 0)
718 static int process_mmap_event(struct perf_tool
*tool
,
719 union perf_event
*event
,
720 struct perf_sample
*sample
,
721 struct machine
*machine
)
723 struct thread
*thread
;
724 struct perf_script
*script
= container_of(tool
, struct perf_script
, tool
);
725 struct perf_session
*session
= script
->session
;
726 struct perf_evsel
*evsel
= perf_evlist__first(session
->evlist
);
728 if (perf_event__process_mmap(tool
, event
, sample
, machine
) < 0)
731 thread
= machine__findnew_thread(machine
, event
->mmap
.pid
, event
->mmap
.tid
);
732 if (thread
== NULL
) {
733 pr_debug("problem processing MMAP event, skipping it.\n");
737 if (!evsel
->attr
.sample_id_all
) {
740 sample
->tid
= event
->mmap
.tid
;
741 sample
->pid
= event
->mmap
.pid
;
743 print_sample_start(sample
, thread
, evsel
);
744 perf_event__fprintf(event
, stdout
);
749 static int process_mmap2_event(struct perf_tool
*tool
,
750 union perf_event
*event
,
751 struct perf_sample
*sample
,
752 struct machine
*machine
)
754 struct thread
*thread
;
755 struct perf_script
*script
= container_of(tool
, struct perf_script
, tool
);
756 struct perf_session
*session
= script
->session
;
757 struct perf_evsel
*evsel
= perf_evlist__first(session
->evlist
);
759 if (perf_event__process_mmap2(tool
, event
, sample
, machine
) < 0)
762 thread
= machine__findnew_thread(machine
, event
->mmap2
.pid
, event
->mmap2
.tid
);
763 if (thread
== NULL
) {
764 pr_debug("problem processing MMAP2 event, skipping it.\n");
768 if (!evsel
->attr
.sample_id_all
) {
771 sample
->tid
= event
->mmap2
.tid
;
772 sample
->pid
= event
->mmap2
.pid
;
774 print_sample_start(sample
, thread
, evsel
);
775 perf_event__fprintf(event
, stdout
);
780 static void sig_handler(int sig __maybe_unused
)
785 static int __cmd_script(struct perf_script
*script
)
789 signal(SIGINT
, sig_handler
);
791 /* override event processing functions */
792 if (script
->show_task_events
) {
793 script
->tool
.comm
= process_comm_event
;
794 script
->tool
.fork
= process_fork_event
;
795 script
->tool
.exit
= process_exit_event
;
797 if (script
->show_mmap_events
) {
798 script
->tool
.mmap
= process_mmap_event
;
799 script
->tool
.mmap2
= process_mmap2_event
;
802 ret
= perf_session__process_events(script
->session
, &script
->tool
);
805 pr_err("Misordered timestamps: %" PRIu64
"\n", nr_unordered
);
811 struct list_head node
;
812 struct scripting_ops
*ops
;
816 static LIST_HEAD(script_specs
);
818 static struct script_spec
*script_spec__new(const char *spec
,
819 struct scripting_ops
*ops
)
821 struct script_spec
*s
= malloc(sizeof(*s
) + strlen(spec
) + 1);
824 strcpy(s
->spec
, spec
);
831 static void script_spec__add(struct script_spec
*s
)
833 list_add_tail(&s
->node
, &script_specs
);
836 static struct script_spec
*script_spec__find(const char *spec
)
838 struct script_spec
*s
;
840 list_for_each_entry(s
, &script_specs
, node
)
841 if (strcasecmp(s
->spec
, spec
) == 0)
846 static struct script_spec
*script_spec__findnew(const char *spec
,
847 struct scripting_ops
*ops
)
849 struct script_spec
*s
= script_spec__find(spec
);
854 s
= script_spec__new(spec
, ops
);
863 int script_spec_register(const char *spec
, struct scripting_ops
*ops
)
865 struct script_spec
*s
;
867 s
= script_spec__find(spec
);
871 s
= script_spec__findnew(spec
, ops
);
878 static struct scripting_ops
*script_spec__lookup(const char *spec
)
880 struct script_spec
*s
= script_spec__find(spec
);
887 static void list_available_languages(void)
889 struct script_spec
*s
;
891 fprintf(stderr
, "\n");
892 fprintf(stderr
, "Scripting language extensions (used in "
893 "perf script -s [spec:]script.[spec]):\n\n");
895 list_for_each_entry(s
, &script_specs
, node
)
896 fprintf(stderr
, " %-42s [%s]\n", s
->spec
, s
->ops
->name
);
898 fprintf(stderr
, "\n");
901 static int parse_scriptname(const struct option
*opt __maybe_unused
,
902 const char *str
, int unset __maybe_unused
)
905 const char *script
, *ext
;
908 if (strcmp(str
, "lang") == 0) {
909 list_available_languages();
913 script
= strchr(str
, ':');
916 if (len
>= PATH_MAX
) {
917 fprintf(stderr
, "invalid language specifier");
920 strncpy(spec
, str
, len
);
922 scripting_ops
= script_spec__lookup(spec
);
923 if (!scripting_ops
) {
924 fprintf(stderr
, "invalid language specifier");
930 ext
= strrchr(script
, '.');
932 fprintf(stderr
, "invalid script extension");
935 scripting_ops
= script_spec__lookup(++ext
);
936 if (!scripting_ops
) {
937 fprintf(stderr
, "invalid script extension");
942 script_name
= strdup(script
);
947 static int parse_output_fields(const struct option
*opt __maybe_unused
,
948 const char *arg
, int unset __maybe_unused
)
951 int i
, imax
= ARRAY_SIZE(all_output_options
);
954 char *str
= strdup(arg
);
960 /* first word can state for which event type the user is specifying
961 * the fields. If no type exists, the specified fields apply to all
962 * event types found in the file minus the invalid fields for a type.
964 tok
= strchr(str
, ':');
968 if (!strcmp(str
, "hw"))
969 type
= PERF_TYPE_HARDWARE
;
970 else if (!strcmp(str
, "sw"))
971 type
= PERF_TYPE_SOFTWARE
;
972 else if (!strcmp(str
, "trace"))
973 type
= PERF_TYPE_TRACEPOINT
;
974 else if (!strcmp(str
, "raw"))
975 type
= PERF_TYPE_RAW
;
977 fprintf(stderr
, "Invalid event type in field string.\n");
982 if (output
[type
].user_set
)
983 pr_warning("Overriding previous field request for %s events.\n",
986 output
[type
].fields
= 0;
987 output
[type
].user_set
= true;
988 output
[type
].wildcard_set
= false;
992 if (strlen(str
) == 0) {
994 "Cannot set fields to 'none' for all event types.\n");
999 if (output_set_by_user())
1000 pr_warning("Overriding previous field request for all events.\n");
1002 for (j
= 0; j
< PERF_TYPE_MAX
; ++j
) {
1003 output
[j
].fields
= 0;
1004 output
[j
].user_set
= true;
1005 output
[j
].wildcard_set
= true;
1009 tok
= strtok(tok
, ",");
1011 for (i
= 0; i
< imax
; ++i
) {
1012 if (strcmp(tok
, all_output_options
[i
].str
) == 0)
1016 fprintf(stderr
, "Invalid field requested.\n");
1022 /* add user option to all events types for
1025 for (j
= 0; j
< PERF_TYPE_MAX
; ++j
) {
1026 if (output
[j
].invalid_fields
& all_output_options
[i
].field
) {
1027 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
1028 all_output_options
[i
].str
, event_type(j
));
1030 output
[j
].fields
|= all_output_options
[i
].field
;
1033 if (output
[type
].invalid_fields
& all_output_options
[i
].field
) {
1034 fprintf(stderr
, "\'%s\' not valid for %s events.\n",
1035 all_output_options
[i
].str
, event_type(type
));
1040 output
[type
].fields
|= all_output_options
[i
].field
;
1043 tok
= strtok(NULL
, ",");
1047 if (output
[type
].fields
== 0) {
1048 pr_debug("No fields requested for %s type. "
1049 "Events will not be displayed.\n", event_type(type
));
1058 /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
1059 static int is_directory(const char *base_path
, const struct dirent
*dent
)
1061 char path
[PATH_MAX
];
1064 sprintf(path
, "%s/%s", base_path
, dent
->d_name
);
1065 if (stat(path
, &st
))
1068 return S_ISDIR(st
.st_mode
);
1071 #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\
1072 while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \
1074 if ((lang_dirent.d_type == DT_DIR || \
1075 (lang_dirent.d_type == DT_UNKNOWN && \
1076 is_directory(scripts_path, &lang_dirent))) && \
1077 (strcmp(lang_dirent.d_name, ".")) && \
1078 (strcmp(lang_dirent.d_name, "..")))
1080 #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\
1081 while (!readdir_r(lang_dir, &script_dirent, &script_next) && \
1083 if (script_dirent.d_type != DT_DIR && \
1084 (script_dirent.d_type != DT_UNKNOWN || \
1085 !is_directory(lang_path, &script_dirent)))
1088 #define RECORD_SUFFIX "-record"
1089 #define REPORT_SUFFIX "-report"
1091 struct script_desc
{
1092 struct list_head node
;
1098 static LIST_HEAD(script_descs
);
1100 static struct script_desc
*script_desc__new(const char *name
)
1102 struct script_desc
*s
= zalloc(sizeof(*s
));
1104 if (s
!= NULL
&& name
)
1105 s
->name
= strdup(name
);
1110 static void script_desc__delete(struct script_desc
*s
)
1113 zfree(&s
->half_liner
);
1118 static void script_desc__add(struct script_desc
*s
)
1120 list_add_tail(&s
->node
, &script_descs
);
1123 static struct script_desc
*script_desc__find(const char *name
)
1125 struct script_desc
*s
;
1127 list_for_each_entry(s
, &script_descs
, node
)
1128 if (strcasecmp(s
->name
, name
) == 0)
1133 static struct script_desc
*script_desc__findnew(const char *name
)
1135 struct script_desc
*s
= script_desc__find(name
);
1140 s
= script_desc__new(name
);
1142 goto out_delete_desc
;
1144 script_desc__add(s
);
1149 script_desc__delete(s
);
1154 static const char *ends_with(const char *str
, const char *suffix
)
1156 size_t suffix_len
= strlen(suffix
);
1157 const char *p
= str
;
1159 if (strlen(str
) > suffix_len
) {
1160 p
= str
+ strlen(str
) - suffix_len
;
1161 if (!strncmp(p
, suffix
, suffix_len
))
1168 static int read_script_info(struct script_desc
*desc
, const char *filename
)
1170 char line
[BUFSIZ
], *p
;
1173 fp
= fopen(filename
, "r");
1177 while (fgets(line
, sizeof(line
), fp
)) {
1184 if (strlen(p
) && *p
== '!')
1188 if (strlen(p
) && p
[strlen(p
) - 1] == '\n')
1189 p
[strlen(p
) - 1] = '\0';
1191 if (!strncmp(p
, "description:", strlen("description:"))) {
1192 p
+= strlen("description:");
1193 desc
->half_liner
= strdup(ltrim(p
));
1197 if (!strncmp(p
, "args:", strlen("args:"))) {
1198 p
+= strlen("args:");
1199 desc
->args
= strdup(ltrim(p
));
1209 static char *get_script_root(struct dirent
*script_dirent
, const char *suffix
)
1211 char *script_root
, *str
;
1213 script_root
= strdup(script_dirent
->d_name
);
1217 str
= (char *)ends_with(script_root
, suffix
);
1227 static int list_available_scripts(const struct option
*opt __maybe_unused
,
1228 const char *s __maybe_unused
,
1229 int unset __maybe_unused
)
1231 struct dirent
*script_next
, *lang_next
, script_dirent
, lang_dirent
;
1232 char scripts_path
[MAXPATHLEN
];
1233 DIR *scripts_dir
, *lang_dir
;
1234 char script_path
[MAXPATHLEN
];
1235 char lang_path
[MAXPATHLEN
];
1236 struct script_desc
*desc
;
1237 char first_half
[BUFSIZ
];
1240 snprintf(scripts_path
, MAXPATHLEN
, "%s/scripts", perf_exec_path());
1242 scripts_dir
= opendir(scripts_path
);
1246 for_each_lang(scripts_path
, scripts_dir
, lang_dirent
, lang_next
) {
1247 snprintf(lang_path
, MAXPATHLEN
, "%s/%s/bin", scripts_path
,
1248 lang_dirent
.d_name
);
1249 lang_dir
= opendir(lang_path
);
1253 for_each_script(lang_path
, lang_dir
, script_dirent
, script_next
) {
1254 script_root
= get_script_root(&script_dirent
, REPORT_SUFFIX
);
1256 desc
= script_desc__findnew(script_root
);
1257 snprintf(script_path
, MAXPATHLEN
, "%s/%s",
1258 lang_path
, script_dirent
.d_name
);
1259 read_script_info(desc
, script_path
);
1265 fprintf(stdout
, "List of available trace scripts:\n");
1266 list_for_each_entry(desc
, &script_descs
, node
) {
1267 sprintf(first_half
, "%s %s", desc
->name
,
1268 desc
->args
? desc
->args
: "");
1269 fprintf(stdout
, " %-36s %s\n", first_half
,
1270 desc
->half_liner
? desc
->half_liner
: "");
1277 * Some scripts specify the required events in their "xxx-record" file,
1278 * this function will check if the events in perf.data match those
1279 * mentioned in the "xxx-record".
1281 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
1282 * which is covered well now. And new parsing code should be added to
1283 * cover the future complexing formats like event groups etc.
1285 static int check_ev_match(char *dir_name
, char *scriptname
,
1286 struct perf_session
*session
)
1288 char filename
[MAXPATHLEN
], evname
[128];
1289 char line
[BUFSIZ
], *p
;
1290 struct perf_evsel
*pos
;
1294 sprintf(filename
, "%s/bin/%s-record", dir_name
, scriptname
);
1296 fp
= fopen(filename
, "r");
1300 while (fgets(line
, sizeof(line
), fp
)) {
1306 p
= strstr(p
, "-e");
1312 len
= strcspn(p
, " \t");
1316 snprintf(evname
, len
+ 1, "%s", p
);
1319 evlist__for_each(session
->evlist
, pos
) {
1320 if (!strcmp(perf_evsel__name(pos
), evname
)) {
1338 * Return -1 if none is found, otherwise the actual scripts number.
1340 * Currently the only user of this function is the script browser, which
1341 * will list all statically runnable scripts, select one, execute it and
1342 * show the output in a perf browser.
1344 int find_scripts(char **scripts_array
, char **scripts_path_array
)
1346 struct dirent
*script_next
, *lang_next
, script_dirent
, lang_dirent
;
1347 char scripts_path
[MAXPATHLEN
], lang_path
[MAXPATHLEN
];
1348 DIR *scripts_dir
, *lang_dir
;
1349 struct perf_session
*session
;
1350 struct perf_data_file file
= {
1352 .mode
= PERF_DATA_MODE_READ
,
1357 session
= perf_session__new(&file
, false, NULL
);
1361 snprintf(scripts_path
, MAXPATHLEN
, "%s/scripts", perf_exec_path());
1363 scripts_dir
= opendir(scripts_path
);
1365 perf_session__delete(session
);
1369 for_each_lang(scripts_path
, scripts_dir
, lang_dirent
, lang_next
) {
1370 snprintf(lang_path
, MAXPATHLEN
, "%s/%s", scripts_path
,
1371 lang_dirent
.d_name
);
1373 if (strstr(lang_path
, "perl"))
1377 if (strstr(lang_path
, "python"))
1381 lang_dir
= opendir(lang_path
);
1385 for_each_script(lang_path
, lang_dir
, script_dirent
, script_next
) {
1386 /* Skip those real time scripts: xxxtop.p[yl] */
1387 if (strstr(script_dirent
.d_name
, "top."))
1389 sprintf(scripts_path_array
[i
], "%s/%s", lang_path
,
1390 script_dirent
.d_name
);
1391 temp
= strchr(script_dirent
.d_name
, '.');
1392 snprintf(scripts_array
[i
],
1393 (temp
- script_dirent
.d_name
) + 1,
1394 "%s", script_dirent
.d_name
);
1396 if (check_ev_match(lang_path
,
1397 scripts_array
[i
], session
))
1405 closedir(scripts_dir
);
1406 perf_session__delete(session
);
1410 static char *get_script_path(const char *script_root
, const char *suffix
)
1412 struct dirent
*script_next
, *lang_next
, script_dirent
, lang_dirent
;
1413 char scripts_path
[MAXPATHLEN
];
1414 char script_path
[MAXPATHLEN
];
1415 DIR *scripts_dir
, *lang_dir
;
1416 char lang_path
[MAXPATHLEN
];
1417 char *__script_root
;
1419 snprintf(scripts_path
, MAXPATHLEN
, "%s/scripts", perf_exec_path());
1421 scripts_dir
= opendir(scripts_path
);
1425 for_each_lang(scripts_path
, scripts_dir
, lang_dirent
, lang_next
) {
1426 snprintf(lang_path
, MAXPATHLEN
, "%s/%s/bin", scripts_path
,
1427 lang_dirent
.d_name
);
1428 lang_dir
= opendir(lang_path
);
1432 for_each_script(lang_path
, lang_dir
, script_dirent
, script_next
) {
1433 __script_root
= get_script_root(&script_dirent
, suffix
);
1434 if (__script_root
&& !strcmp(script_root
, __script_root
)) {
1435 free(__script_root
);
1437 closedir(scripts_dir
);
1438 snprintf(script_path
, MAXPATHLEN
, "%s/%s",
1439 lang_path
, script_dirent
.d_name
);
1440 return strdup(script_path
);
1442 free(__script_root
);
1446 closedir(scripts_dir
);
1451 static bool is_top_script(const char *script_path
)
1453 return ends_with(script_path
, "top") == NULL
? false : true;
1456 static int has_required_arg(char *script_path
)
1458 struct script_desc
*desc
;
1462 desc
= script_desc__new(NULL
);
1464 if (read_script_info(desc
, script_path
))
1470 for (p
= desc
->args
; *p
; p
++)
1474 script_desc__delete(desc
);
1479 static int have_cmd(int argc
, const char **argv
)
1481 char **__argv
= malloc(sizeof(const char *) * argc
);
1484 pr_err("malloc failed\n");
1488 memcpy(__argv
, argv
, sizeof(const char *) * argc
);
1489 argc
= parse_options(argc
, (const char **)__argv
, record_options
,
1490 NULL
, PARSE_OPT_STOP_AT_NON_OPTION
);
1493 system_wide
= (argc
== 0);
1498 int cmd_script(int argc
, const char **argv
, const char *prefix __maybe_unused
)
1500 bool show_full_info
= false;
1501 bool header
= false;
1502 bool header_only
= false;
1503 bool script_started
= false;
1504 char *rec_script_path
= NULL
;
1505 char *rep_script_path
= NULL
;
1506 struct perf_session
*session
;
1507 char *script_path
= NULL
;
1508 const char **__argv
;
1510 struct perf_script script
= {
1512 .sample
= process_sample_event
,
1513 .mmap
= perf_event__process_mmap
,
1514 .mmap2
= perf_event__process_mmap2
,
1515 .comm
= perf_event__process_comm
,
1516 .exit
= perf_event__process_exit
,
1517 .fork
= perf_event__process_fork
,
1518 .attr
= process_attr
,
1519 .tracing_data
= perf_event__process_tracing_data
,
1520 .build_id
= perf_event__process_build_id
,
1521 .ordered_events
= true,
1522 .ordering_requires_timestamps
= true,
1525 const struct option options
[] = {
1526 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace
,
1527 "dump raw trace in ASCII"),
1528 OPT_INCR('v', "verbose", &verbose
,
1529 "be more verbose (show symbol address, etc)"),
1530 OPT_BOOLEAN('L', "Latency", &latency_format
,
1531 "show latency attributes (irqs/preemption disabled, etc)"),
1532 OPT_CALLBACK_NOOPT('l', "list", NULL
, NULL
, "list available scripts",
1533 list_available_scripts
),
1534 OPT_CALLBACK('s', "script", NULL
, "name",
1535 "script file name (lang:script name, script name, or *)",
1537 OPT_STRING('g', "gen-script", &generate_script_lang
, "lang",
1538 "generate perf-script.xx script in specified language"),
1539 OPT_STRING('i', "input", &input_name
, "file", "input file name"),
1540 OPT_BOOLEAN('d', "debug-mode", &debug_mode
,
1541 "do various checks like samples ordering and lost events"),
1542 OPT_BOOLEAN(0, "header", &header
, "Show data header."),
1543 OPT_BOOLEAN(0, "header-only", &header_only
, "Show only data header."),
1544 OPT_STRING('k', "vmlinux", &symbol_conf
.vmlinux_name
,
1545 "file", "vmlinux pathname"),
1546 OPT_STRING(0, "kallsyms", &symbol_conf
.kallsyms_name
,
1547 "file", "kallsyms pathname"),
1548 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain
,
1549 "When printing symbols do not display call chain"),
1550 OPT_STRING(0, "symfs", &symbol_conf
.symfs
, "directory",
1551 "Look for files with symbols relative to this directory"),
1552 OPT_CALLBACK('f', "fields", NULL
, "str",
1553 "comma separated output fields prepend with 'type:'. "
1554 "Valid types: hw,sw,trace,raw. "
1555 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
1556 "addr,symoff,period", parse_output_fields
),
1557 OPT_BOOLEAN('a', "all-cpus", &system_wide
,
1558 "system-wide collection from all CPUs"),
1559 OPT_STRING('S', "symbols", &symbol_conf
.sym_list_str
, "symbol[,symbol...]",
1560 "only consider these symbols"),
1561 OPT_STRING('C', "cpu", &cpu_list
, "cpu", "list of cpus to profile"),
1562 OPT_STRING('c', "comms", &symbol_conf
.comm_list_str
, "comm[,comm...]",
1563 "only display events for these comms"),
1564 OPT_BOOLEAN('I', "show-info", &show_full_info
,
1565 "display extended information from perf.data file"),
1566 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf
.show_kernel_path
,
1567 "Show the path of [kernel.kallsyms]"),
1568 OPT_BOOLEAN('\0', "show-task-events", &script
.show_task_events
,
1569 "Show the fork/comm/exit events"),
1570 OPT_BOOLEAN('\0', "show-mmap-events", &script
.show_mmap_events
,
1571 "Show the mmap events"),
1574 const char * const script_usage
[] = {
1575 "perf script [<options>]",
1576 "perf script [<options>] record <script> [<record-options>] <command>",
1577 "perf script [<options>] report <script> [script-args]",
1578 "perf script [<options>] <script> [<record-options>] <command>",
1579 "perf script [<options>] <top-script> [script-args]",
1582 struct perf_data_file file
= {
1583 .mode
= PERF_DATA_MODE_READ
,
1588 argc
= parse_options(argc
, argv
, options
, script_usage
,
1589 PARSE_OPT_STOP_AT_NON_OPTION
);
1591 file
.path
= input_name
;
1593 if (argc
> 1 && !strncmp(argv
[0], "rec", strlen("rec"))) {
1594 rec_script_path
= get_script_path(argv
[1], RECORD_SUFFIX
);
1595 if (!rec_script_path
)
1596 return cmd_record(argc
, argv
, NULL
);
1599 if (argc
> 1 && !strncmp(argv
[0], "rep", strlen("rep"))) {
1600 rep_script_path
= get_script_path(argv
[1], REPORT_SUFFIX
);
1601 if (!rep_script_path
) {
1603 "Please specify a valid report script"
1604 "(see 'perf script -l' for listing)\n");
1609 /* make sure PERF_EXEC_PATH is set for scripts */
1610 perf_set_argv_exec_path(perf_exec_path());
1612 if (argc
&& !script_name
&& !rec_script_path
&& !rep_script_path
) {
1617 rec_script_path
= get_script_path(argv
[0], RECORD_SUFFIX
);
1618 rep_script_path
= get_script_path(argv
[0], REPORT_SUFFIX
);
1620 if (!rec_script_path
&& !rep_script_path
) {
1621 fprintf(stderr
, " Couldn't find script %s\n\n See perf"
1622 " script -l for available scripts.\n", argv
[0]);
1623 usage_with_options(script_usage
, options
);
1626 if (is_top_script(argv
[0])) {
1627 rep_args
= argc
- 1;
1631 rep_args
= has_required_arg(rep_script_path
);
1632 rec_args
= (argc
- 1) - rep_args
;
1634 fprintf(stderr
, " %s script requires options."
1635 "\n\n See perf script -l for available "
1636 "scripts and options.\n", argv
[0]);
1637 usage_with_options(script_usage
, options
);
1641 if (pipe(live_pipe
) < 0) {
1642 perror("failed to create pipe");
1648 perror("failed to fork");
1655 dup2(live_pipe
[1], 1);
1656 close(live_pipe
[0]);
1658 if (is_top_script(argv
[0])) {
1660 } else if (!system_wide
) {
1661 if (have_cmd(argc
- rep_args
, &argv
[rep_args
]) != 0) {
1667 __argv
= malloc((argc
+ 6) * sizeof(const char *));
1669 pr_err("malloc failed\n");
1674 __argv
[j
++] = "/bin/sh";
1675 __argv
[j
++] = rec_script_path
;
1681 for (i
= rep_args
+ 1; i
< argc
; i
++)
1682 __argv
[j
++] = argv
[i
];
1685 execvp("/bin/sh", (char **)__argv
);
1690 dup2(live_pipe
[0], 0);
1691 close(live_pipe
[1]);
1693 __argv
= malloc((argc
+ 4) * sizeof(const char *));
1695 pr_err("malloc failed\n");
1701 __argv
[j
++] = "/bin/sh";
1702 __argv
[j
++] = rep_script_path
;
1703 for (i
= 1; i
< rep_args
+ 1; i
++)
1704 __argv
[j
++] = argv
[i
];
1709 execvp("/bin/sh", (char **)__argv
);
1714 if (rec_script_path
)
1715 script_path
= rec_script_path
;
1716 if (rep_script_path
)
1717 script_path
= rep_script_path
;
1722 if (!rec_script_path
)
1723 system_wide
= false;
1724 else if (!system_wide
) {
1725 if (have_cmd(argc
- 1, &argv
[1]) != 0) {
1731 __argv
= malloc((argc
+ 2) * sizeof(const char *));
1733 pr_err("malloc failed\n");
1738 __argv
[j
++] = "/bin/sh";
1739 __argv
[j
++] = script_path
;
1742 for (i
= 2; i
< argc
; i
++)
1743 __argv
[j
++] = argv
[i
];
1746 execvp("/bin/sh", (char **)__argv
);
1754 session
= perf_session__new(&file
, false, &script
.tool
);
1755 if (session
== NULL
)
1758 if (header
|| header_only
) {
1759 perf_session__fprintf_info(session
, stdout
, show_full_info
);
1764 if (symbol__init(&session
->header
.env
) < 0)
1767 script
.session
= session
;
1770 err
= perf_session__cpu_bitmap(session
, cpu_list
, cpu_bitmap
);
1776 symbol_conf
.use_callchain
= true;
1778 symbol_conf
.use_callchain
= false;
1780 if (generate_script_lang
) {
1781 struct stat perf_stat
;
1784 if (output_set_by_user()) {
1786 "custom fields not supported for generated scripts");
1791 input
= open(file
.path
, O_RDONLY
); /* input_name */
1794 perror("failed to open file");
1798 err
= fstat(input
, &perf_stat
);
1800 perror("failed to stat file");
1804 if (!perf_stat
.st_size
) {
1805 fprintf(stderr
, "zero-sized file, nothing to do!\n");
1809 scripting_ops
= script_spec__lookup(generate_script_lang
);
1810 if (!scripting_ops
) {
1811 fprintf(stderr
, "invalid language specifier");
1816 err
= scripting_ops
->generate_script(session
->tevent
.pevent
,
1822 err
= scripting_ops
->start_script(script_name
, argc
, argv
);
1825 pr_debug("perf script started with script %s\n\n", script_name
);
1826 script_started
= true;
1830 err
= perf_session__check_output_opt(session
);
1834 err
= __cmd_script(&script
);
1839 perf_session__delete(session
);
1842 cleanup_scripting();