1 // SPDX-License-Identifier: GPL-2.0
5 * Builtin report command: Analyze the perf.data input file,
6 * look up and read DSOs and symbol information and display
7 * a histogram of results, along various sorting keys.
11 #include "util/util.h"
12 #include "util/config.h"
14 #include "util/annotate.h"
15 #include "util/color.h"
16 #include <linux/list.h>
17 #include <linux/rbtree.h>
18 #include "util/symbol.h"
19 #include "util/callchain.h"
20 #include "util/values.h"
23 #include "util/debug.h"
24 #include "util/evlist.h"
25 #include "util/evsel.h"
26 #include "util/header.h"
27 #include "util/session.h"
28 #include "util/tool.h"
30 #include <subcmd/parse-options.h>
31 #include <subcmd/exec-cmd.h>
32 #include "util/parse-events.h"
34 #include "util/thread.h"
35 #include "util/sort.h"
36 #include "util/hist.h"
37 #include "util/data.h"
38 #include "arch/common.h"
39 #include "util/time-utils.h"
40 #include "util/auxtrace.h"
41 #include "util/units.h"
42 #include "util/branch.h"
49 #include <linux/bitmap.h>
50 #include <linux/stringify.h>
51 #include <sys/types.h>
56 struct perf_tool tool
;
57 struct perf_session
*session
;
58 bool use_tui
, use_gtk
, use_stdio
;
61 bool inverted_callchain
;
65 bool nonany_branch_mode
;
67 struct perf_read_values show_threads_values
;
68 const char *pretty_printing_style
;
70 const char *symbol_filter_str
;
72 struct perf_time_interval ptime
;
77 DECLARE_BITMAP(cpu_bitmap
, MAX_NR_CPUS
);
78 struct branch_type_stat brtype_stat
;
81 static int report__config(const char *var
, const char *value
, void *cb
)
83 struct report
*rep
= cb
;
85 if (!strcmp(var
, "report.group")) {
86 symbol_conf
.event_group
= perf_config_bool(var
, value
);
89 if (!strcmp(var
, "report.percent-limit")) {
90 double pcnt
= strtof(value
, NULL
);
92 rep
->min_percent
= pcnt
;
93 callchain_param
.min_percent
= pcnt
;
96 if (!strcmp(var
, "report.children")) {
97 symbol_conf
.cumulate_callchain
= perf_config_bool(var
, value
);
100 if (!strcmp(var
, "report.queue-size"))
101 return perf_config_u64(&rep
->queue_size
, var
, value
);
103 if (!strcmp(var
, "report.sort_order")) {
104 default_sort_order
= strdup(value
);
111 static int hist_iter__report_callback(struct hist_entry_iter
*iter
,
112 struct addr_location
*al
, bool single
,
116 struct report
*rep
= arg
;
117 struct hist_entry
*he
= iter
->he
;
118 struct perf_evsel
*evsel
= iter
->evsel
;
119 struct perf_sample
*sample
= iter
->sample
;
121 struct branch_info
*bi
;
123 if (!ui__has_annotation())
126 hist__account_cycles(sample
->branch_stack
, al
, sample
,
127 rep
->nonany_branch_mode
);
129 if (sort__mode
== SORT_MODE__BRANCH
) {
130 bi
= he
->branch_info
;
131 err
= addr_map_symbol__inc_samples(&bi
->from
, sample
, evsel
->idx
);
135 err
= addr_map_symbol__inc_samples(&bi
->to
, sample
, evsel
->idx
);
137 } else if (rep
->mem_mode
) {
139 err
= addr_map_symbol__inc_samples(&mi
->daddr
, sample
, evsel
->idx
);
143 err
= hist_entry__inc_addr_samples(he
, sample
, evsel
->idx
, al
->addr
);
145 } else if (symbol_conf
.cumulate_callchain
) {
147 err
= hist_entry__inc_addr_samples(he
, sample
, evsel
->idx
,
150 err
= hist_entry__inc_addr_samples(he
, sample
, evsel
->idx
, al
->addr
);
157 static int hist_iter__branch_callback(struct hist_entry_iter
*iter
,
158 struct addr_location
*al __maybe_unused
,
159 bool single __maybe_unused
,
162 struct hist_entry
*he
= iter
->he
;
163 struct report
*rep
= arg
;
164 struct branch_info
*bi
;
165 struct perf_sample
*sample
= iter
->sample
;
166 struct perf_evsel
*evsel
= iter
->evsel
;
169 if (!ui__has_annotation())
172 hist__account_cycles(sample
->branch_stack
, al
, sample
,
173 rep
->nonany_branch_mode
);
175 bi
= he
->branch_info
;
176 err
= addr_map_symbol__inc_samples(&bi
->from
, sample
, evsel
->idx
);
180 err
= addr_map_symbol__inc_samples(&bi
->to
, sample
, evsel
->idx
);
182 branch_type_count(&rep
->brtype_stat
, &bi
->flags
,
183 bi
->from
.addr
, bi
->to
.addr
);
189 static int process_sample_event(struct perf_tool
*tool
,
190 union perf_event
*event
,
191 struct perf_sample
*sample
,
192 struct perf_evsel
*evsel
,
193 struct machine
*machine
)
195 struct report
*rep
= container_of(tool
, struct report
, tool
);
196 struct addr_location al
;
197 struct hist_entry_iter iter
= {
200 .hide_unresolved
= symbol_conf
.hide_unresolved
,
201 .add_entry_cb
= hist_iter__report_callback
,
205 if (perf_time__skip_sample(&rep
->ptime
, sample
->time
))
208 if (machine__resolve(machine
, &al
, sample
) < 0) {
209 pr_debug("problem processing %d event, skipping it.\n",
214 if (symbol_conf
.hide_unresolved
&& al
.sym
== NULL
)
217 if (rep
->cpu_list
&& !test_bit(sample
->cpu
, rep
->cpu_bitmap
))
220 if (sort__mode
== SORT_MODE__BRANCH
) {
222 * A non-synthesized event might not have a branch stack if
223 * branch stacks have been synthesized (using itrace options).
225 if (!sample
->branch_stack
)
228 iter
.add_entry_cb
= hist_iter__branch_callback
;
229 iter
.ops
= &hist_iter_branch
;
230 } else if (rep
->mem_mode
) {
231 iter
.ops
= &hist_iter_mem
;
232 } else if (symbol_conf
.cumulate_callchain
) {
233 iter
.ops
= &hist_iter_cumulative
;
235 iter
.ops
= &hist_iter_normal
;
239 al
.map
->dso
->hit
= 1;
241 ret
= hist_entry_iter__add(&iter
, &al
, rep
->max_stack
, rep
);
243 pr_debug("problem adding hist entry, skipping event\n");
245 addr_location__put(&al
);
249 static int process_read_event(struct perf_tool
*tool
,
250 union perf_event
*event
,
251 struct perf_sample
*sample __maybe_unused
,
252 struct perf_evsel
*evsel
,
253 struct machine
*machine __maybe_unused
)
255 struct report
*rep
= container_of(tool
, struct report
, tool
);
257 if (rep
->show_threads
) {
258 const char *name
= evsel
? perf_evsel__name(evsel
) : "unknown";
259 int err
= perf_read_values_add_value(&rep
->show_threads_values
,
260 event
->read
.pid
, event
->read
.tid
,
272 /* For pipe mode, sample_type is not currently set */
273 static int report__setup_sample_type(struct report
*rep
)
275 struct perf_session
*session
= rep
->session
;
276 u64 sample_type
= perf_evlist__combined_sample_type(session
->evlist
);
277 bool is_pipe
= perf_data__is_pipe(session
->data
);
279 if (session
->itrace_synth_opts
->callchain
||
281 perf_header__has_feat(&session
->header
, HEADER_AUXTRACE
) &&
282 !session
->itrace_synth_opts
->set
))
283 sample_type
|= PERF_SAMPLE_CALLCHAIN
;
285 if (session
->itrace_synth_opts
->last_branch
)
286 sample_type
|= PERF_SAMPLE_BRANCH_STACK
;
288 if (!is_pipe
&& !(sample_type
& PERF_SAMPLE_CALLCHAIN
)) {
289 if (perf_hpp_list
.parent
) {
290 ui__error("Selected --sort parent, but no "
291 "callchain data. Did you call "
292 "'perf record' without -g?\n");
295 if (symbol_conf
.use_callchain
&&
296 !symbol_conf
.show_branchflag_count
) {
297 ui__error("Selected -g or --branch-history.\n"
298 "But no callchain or branch data.\n"
299 "Did you call 'perf record' without -g or -b?\n");
302 } else if (!callchain_param
.enabled
&&
303 callchain_param
.mode
!= CHAIN_NONE
&&
304 !symbol_conf
.use_callchain
) {
305 symbol_conf
.use_callchain
= true;
306 if (callchain_register_param(&callchain_param
) < 0) {
307 ui__error("Can't register callchain params.\n");
312 if (symbol_conf
.cumulate_callchain
) {
313 /* Silently ignore if callchain is missing */
314 if (!(sample_type
& PERF_SAMPLE_CALLCHAIN
)) {
315 symbol_conf
.cumulate_callchain
= false;
316 perf_hpp__cancel_cumulate();
320 if (sort__mode
== SORT_MODE__BRANCH
) {
322 !(sample_type
& PERF_SAMPLE_BRANCH_STACK
)) {
323 ui__error("Selected -b but no branch data. "
324 "Did you call perf record without -b?\n");
329 if (symbol_conf
.use_callchain
|| symbol_conf
.cumulate_callchain
) {
330 if ((sample_type
& PERF_SAMPLE_REGS_USER
) &&
331 (sample_type
& PERF_SAMPLE_STACK_USER
)) {
332 callchain_param
.record_mode
= CALLCHAIN_DWARF
;
333 dwarf_callchain_users
= true;
334 } else if (sample_type
& PERF_SAMPLE_BRANCH_STACK
)
335 callchain_param
.record_mode
= CALLCHAIN_LBR
;
337 callchain_param
.record_mode
= CALLCHAIN_FP
;
340 /* ??? handle more cases than just ANY? */
341 if (!(perf_evlist__combined_branch_type(session
->evlist
) &
342 PERF_SAMPLE_BRANCH_ANY
))
343 rep
->nonany_branch_mode
= true;
348 static void sig_handler(int sig __maybe_unused
)
353 static size_t hists__fprintf_nr_sample_events(struct hists
*hists
, struct report
*rep
,
354 const char *evname
, FILE *fp
)
358 unsigned long nr_samples
= hists
->stats
.nr_events
[PERF_RECORD_SAMPLE
];
359 u64 nr_events
= hists
->stats
.total_period
;
360 struct perf_evsel
*evsel
= hists_to_evsel(hists
);
362 size_t size
= sizeof(buf
);
363 int socked_id
= hists
->socket_filter
;
368 if (symbol_conf
.filter_relative
) {
369 nr_samples
= hists
->stats
.nr_non_filtered_samples
;
370 nr_events
= hists
->stats
.total_non_filtered_period
;
373 if (perf_evsel__is_group_event(evsel
)) {
374 struct perf_evsel
*pos
;
376 perf_evsel__group_desc(evsel
, buf
, size
);
379 for_each_group_member(pos
, evsel
) {
380 const struct hists
*pos_hists
= evsel__hists(pos
);
382 if (symbol_conf
.filter_relative
) {
383 nr_samples
+= pos_hists
->stats
.nr_non_filtered_samples
;
384 nr_events
+= pos_hists
->stats
.total_non_filtered_period
;
386 nr_samples
+= pos_hists
->stats
.nr_events
[PERF_RECORD_SAMPLE
];
387 nr_events
+= pos_hists
->stats
.total_period
;
392 nr_samples
= convert_unit(nr_samples
, &unit
);
393 ret
= fprintf(fp
, "# Samples: %lu%c", nr_samples
, unit
);
395 ret
+= fprintf(fp
, " of event '%s'", evname
);
397 if (symbol_conf
.show_ref_callgraph
&&
398 strstr(evname
, "call-graph=no")) {
399 ret
+= fprintf(fp
, ", show reference callgraph");
403 ret
+= fprintf(fp
, "\n# Total weight : %" PRIu64
, nr_events
);
404 ret
+= fprintf(fp
, "\n# Sort order : %s", sort_order
? : default_mem_sort_order
);
406 ret
+= fprintf(fp
, "\n# Event count (approx.): %" PRIu64
, nr_events
);
409 ret
+= fprintf(fp
, "\n# Processor Socket: %d", socked_id
);
411 return ret
+ fprintf(fp
, "\n#\n");
414 static int perf_evlist__tty_browse_hists(struct perf_evlist
*evlist
,
418 struct perf_evsel
*pos
;
421 fprintf(stdout
, "#\n# Total Lost Samples: %" PRIu64
"\n#\n",
422 evlist
->stats
.total_lost_samples
);
425 evlist__for_each_entry(evlist
, pos
) {
426 struct hists
*hists
= evsel__hists(pos
);
427 const char *evname
= perf_evsel__name(pos
);
429 if (symbol_conf
.event_group
&&
430 !perf_evsel__is_group_leader(pos
))
433 hists__fprintf_nr_sample_events(hists
, rep
, evname
, stdout
);
434 hists__fprintf(hists
, !quiet
, 0, 0, rep
->min_percent
, stdout
,
435 symbol_conf
.use_callchain
||
436 symbol_conf
.show_branchflag_count
);
437 fprintf(stdout
, "\n\n");
441 fprintf(stdout
, "#\n# (%s)\n#\n", help
);
443 if (rep
->show_threads
) {
444 bool style
= !strcmp(rep
->pretty_printing_style
, "raw");
445 perf_read_values_display(stdout
, &rep
->show_threads_values
,
447 perf_read_values_destroy(&rep
->show_threads_values
);
450 if (sort__mode
== SORT_MODE__BRANCH
)
451 branch_type_stat_display(stdout
, &rep
->brtype_stat
);
456 static void report__warn_kptr_restrict(const struct report
*rep
)
458 struct map
*kernel_map
= machine__kernel_map(&rep
->session
->machines
.host
);
459 struct kmap
*kernel_kmap
= kernel_map
? map__kmap(kernel_map
) : NULL
;
461 if (perf_evlist__exclude_kernel(rep
->session
->evlist
))
464 if (kernel_map
== NULL
||
465 (kernel_map
->dso
->hit
&&
466 (kernel_kmap
->ref_reloc_sym
== NULL
||
467 kernel_kmap
->ref_reloc_sym
->addr
== 0))) {
469 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
470 "can't be resolved.";
473 const struct dso
*kdso
= kernel_map
->dso
;
474 if (!RB_EMPTY_ROOT(&kdso
->symbols
[MAP__FUNCTION
])) {
475 desc
= "If some relocation was applied (e.g. "
476 "kexec) symbols may be misresolved.";
481 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
482 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
483 "Samples in kernel modules can't be resolved as well.\n\n",
488 static int report__gtk_browse_hists(struct report
*rep
, const char *help
)
490 int (*hist_browser
)(struct perf_evlist
*evlist
, const char *help
,
491 struct hist_browser_timer
*timer
, float min_pcnt
);
493 hist_browser
= dlsym(perf_gtk_handle
, "perf_evlist__gtk_browse_hists");
495 if (hist_browser
== NULL
) {
496 ui__error("GTK browser not found!\n");
500 return hist_browser(rep
->session
->evlist
, help
, NULL
, rep
->min_percent
);
503 static int report__browse_hists(struct report
*rep
)
506 struct perf_session
*session
= rep
->session
;
507 struct perf_evlist
*evlist
= session
->evlist
;
508 const char *help
= perf_tip(system_path(TIPDIR
));
511 /* fallback for people who don't install perf ;-) */
512 help
= perf_tip(DOCDIR
);
514 help
= "Cannot load tips.txt file, please install perf!";
517 switch (use_browser
) {
519 ret
= perf_evlist__tui_browse_hists(evlist
, help
, NULL
,
521 &session
->header
.env
);
523 * Usually "ret" is the last pressed key, and we only
524 * care if the key notifies us to switch data file.
526 if (ret
!= K_SWITCH_INPUT_DATA
)
530 ret
= report__gtk_browse_hists(rep
, help
);
533 ret
= perf_evlist__tty_browse_hists(evlist
, rep
, help
);
540 static int report__collapse_hists(struct report
*rep
)
542 struct ui_progress prog
;
543 struct perf_evsel
*pos
;
546 ui_progress__init(&prog
, rep
->nr_entries
, "Merging related events...");
548 evlist__for_each_entry(rep
->session
->evlist
, pos
) {
549 struct hists
*hists
= evsel__hists(pos
);
552 hists
->symbol_filter_str
= rep
->symbol_filter_str
;
554 hists
->socket_filter
= rep
->socket_filter
;
556 ret
= hists__collapse_resort(hists
, &prog
);
560 /* Non-group events are considered as leader */
561 if (symbol_conf
.event_group
&&
562 !perf_evsel__is_group_leader(pos
)) {
563 struct hists
*leader_hists
= evsel__hists(pos
->leader
);
565 hists__match(leader_hists
, hists
);
566 hists__link(leader_hists
, hists
);
570 ui_progress__finish();
574 static void report__output_resort(struct report
*rep
)
576 struct ui_progress prog
;
577 struct perf_evsel
*pos
;
579 ui_progress__init(&prog
, rep
->nr_entries
, "Sorting events for output...");
581 evlist__for_each_entry(rep
->session
->evlist
, pos
)
582 perf_evsel__output_resort(pos
, &prog
);
584 ui_progress__finish();
587 static int __cmd_report(struct report
*rep
)
590 struct perf_session
*session
= rep
->session
;
591 struct perf_evsel
*pos
;
592 struct perf_data
*data
= session
->data
;
594 signal(SIGINT
, sig_handler
);
597 ret
= perf_session__cpu_bitmap(session
, rep
->cpu_list
,
600 ui__error("failed to set cpu bitmap\n");
603 session
->itrace_synth_opts
->cpu_bitmap
= rep
->cpu_bitmap
;
606 if (rep
->show_threads
) {
607 ret
= perf_read_values_init(&rep
->show_threads_values
);
612 ret
= report__setup_sample_type(rep
);
614 /* report__setup_sample_type() already showed error message */
618 ret
= perf_session__process_events(session
);
620 ui__error("failed to process sample\n");
624 report__warn_kptr_restrict(rep
);
626 evlist__for_each_entry(session
->evlist
, pos
)
627 rep
->nr_entries
+= evsel__hists(pos
)->nr_entries
;
629 if (use_browser
== 0) {
631 perf_session__fprintf(session
, stdout
);
634 perf_session__fprintf_dsos(session
, stdout
);
637 perf_session__fprintf_nr_events(session
, stdout
);
638 perf_evlist__fprintf_nr_events(session
->evlist
, stdout
);
643 ret
= report__collapse_hists(rep
);
645 ui__error("failed to process hist entry\n");
653 * recalculate number of entries after collapsing since it
654 * might be changed during the collapse phase.
657 evlist__for_each_entry(session
->evlist
, pos
)
658 rep
->nr_entries
+= evsel__hists(pos
)->nr_entries
;
660 if (rep
->nr_entries
== 0) {
661 ui__error("The %s file has no samples!\n", data
->file
.path
);
665 report__output_resort(rep
);
667 return report__browse_hists(rep
);
671 report_parse_callchain_opt(const struct option
*opt
, const char *arg
, int unset
)
673 struct callchain_param
*callchain
= opt
->value
;
675 callchain
->enabled
= !unset
;
680 symbol_conf
.use_callchain
= false;
681 callchain
->mode
= CHAIN_NONE
;
685 return parse_callchain_report_opt(arg
);
689 report_parse_ignore_callees_opt(const struct option
*opt __maybe_unused
,
690 const char *arg
, int unset __maybe_unused
)
693 int err
= regcomp(&ignore_callees_regex
, arg
, REG_EXTENDED
);
696 regerror(err
, &ignore_callees_regex
, buf
, sizeof(buf
));
697 pr_err("Invalid --ignore-callees regex: %s\n%s", arg
, buf
);
700 have_ignore_callees
= 1;
707 parse_branch_mode(const struct option
*opt
,
708 const char *str __maybe_unused
, int unset
)
710 int *branch_mode
= opt
->value
;
712 *branch_mode
= !unset
;
717 parse_percent_limit(const struct option
*opt
, const char *str
,
718 int unset __maybe_unused
)
720 struct report
*rep
= opt
->value
;
721 double pcnt
= strtof(str
, NULL
);
723 rep
->min_percent
= pcnt
;
724 callchain_param
.min_percent
= pcnt
;
728 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
730 const char report_callchain_help
[] = "Display call graph (stack chain/backtrace):\n\n"
731 CALLCHAIN_REPORT_HELP
732 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT
;
734 int cmd_report(int argc
, const char **argv
)
736 struct perf_session
*session
;
737 struct itrace_synth_opts itrace_synth_opts
= { .set
= 0, };
739 bool has_br_stack
= false;
740 int branch_mode
= -1;
741 bool branch_call_mode
= false;
742 char callchain_default_opt
[] = CALLCHAIN_DEFAULT_OPT
;
743 const char * const report_usage
[] = {
744 "perf report [<options>]",
747 struct report report
= {
749 .sample
= process_sample_event
,
750 .mmap
= perf_event__process_mmap
,
751 .mmap2
= perf_event__process_mmap2
,
752 .comm
= perf_event__process_comm
,
753 .namespaces
= perf_event__process_namespaces
,
754 .exit
= perf_event__process_exit
,
755 .fork
= perf_event__process_fork
,
756 .lost
= perf_event__process_lost
,
757 .read
= process_read_event
,
758 .attr
= perf_event__process_attr
,
759 .tracing_data
= perf_event__process_tracing_data
,
760 .build_id
= perf_event__process_build_id
,
761 .id_index
= perf_event__process_id_index
,
762 .auxtrace_info
= perf_event__process_auxtrace_info
,
763 .auxtrace
= perf_event__process_auxtrace
,
764 .feature
= perf_event__process_feature
,
765 .ordered_events
= true,
766 .ordering_requires_timestamps
= true,
768 .max_stack
= PERF_MAX_STACK_DEPTH
,
769 .pretty_printing_style
= "normal",
772 const struct option options
[] = {
773 OPT_STRING('i', "input", &input_name
, "file",
775 OPT_INCR('v', "verbose", &verbose
,
776 "be more verbose (show symbol address, etc)"),
777 OPT_BOOLEAN('q', "quiet", &quiet
, "Do not show any message"),
778 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace
,
779 "dump raw trace in ASCII"),
780 OPT_STRING('k', "vmlinux", &symbol_conf
.vmlinux_name
,
781 "file", "vmlinux pathname"),
782 OPT_STRING(0, "kallsyms", &symbol_conf
.kallsyms_name
,
783 "file", "kallsyms pathname"),
784 OPT_BOOLEAN('f', "force", &symbol_conf
.force
, "don't complain, do it"),
785 OPT_BOOLEAN('m', "modules", &symbol_conf
.use_modules
,
786 "load module symbols - WARNING: use only with -k and LIVE kernel"),
787 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf
.show_nr_samples
,
788 "Show a column with the number of samples"),
789 OPT_BOOLEAN('T', "threads", &report
.show_threads
,
790 "Show per-thread event counters"),
791 OPT_STRING(0, "pretty", &report
.pretty_printing_style
, "key",
792 "pretty printing style key: normal raw"),
793 OPT_BOOLEAN(0, "tui", &report
.use_tui
, "Use the TUI interface"),
794 OPT_BOOLEAN(0, "gtk", &report
.use_gtk
, "Use the GTK2 interface"),
795 OPT_BOOLEAN(0, "stdio", &report
.use_stdio
,
796 "Use the stdio interface"),
797 OPT_BOOLEAN(0, "header", &report
.header
, "Show data header."),
798 OPT_BOOLEAN(0, "header-only", &report
.header_only
,
799 "Show only data header."),
800 OPT_STRING('s', "sort", &sort_order
, "key[,key2...]",
801 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
802 " Please refer the man page for the complete list."),
803 OPT_STRING('F', "fields", &field_order
, "key[,keys...]",
804 "output field(s): overhead, period, sample plus all of sort keys"),
805 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf
.show_cpu_utilization
,
806 "Show sample percentage for different cpu modes"),
807 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf
.show_cpu_utilization
,
808 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN
),
809 OPT_STRING('p', "parent", &parent_pattern
, "regex",
810 "regex filter to identify parent, see: '--sort parent'"),
811 OPT_BOOLEAN('x', "exclude-other", &symbol_conf
.exclude_other
,
812 "Only display entries with parent-match"),
813 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param
,
814 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
815 report_callchain_help
, &report_parse_callchain_opt
,
816 callchain_default_opt
),
817 OPT_BOOLEAN(0, "children", &symbol_conf
.cumulate_callchain
,
818 "Accumulate callchains of children and show total overhead as well"),
819 OPT_INTEGER(0, "max-stack", &report
.max_stack
,
820 "Set the maximum stack depth when parsing the callchain, "
821 "anything beyond the specified depth will be ignored. "
822 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH
)),
823 OPT_BOOLEAN('G', "inverted", &report
.inverted_callchain
,
824 "alias for inverted call graph"),
825 OPT_CALLBACK(0, "ignore-callees", NULL
, "regex",
826 "ignore callees of these functions in call graphs",
827 report_parse_ignore_callees_opt
),
828 OPT_STRING('d', "dsos", &symbol_conf
.dso_list_str
, "dso[,dso...]",
829 "only consider symbols in these dsos"),
830 OPT_STRING('c', "comms", &symbol_conf
.comm_list_str
, "comm[,comm...]",
831 "only consider symbols in these comms"),
832 OPT_STRING(0, "pid", &symbol_conf
.pid_list_str
, "pid[,pid...]",
833 "only consider symbols in these pids"),
834 OPT_STRING(0, "tid", &symbol_conf
.tid_list_str
, "tid[,tid...]",
835 "only consider symbols in these tids"),
836 OPT_STRING('S', "symbols", &symbol_conf
.sym_list_str
, "symbol[,symbol...]",
837 "only consider these symbols"),
838 OPT_STRING(0, "symbol-filter", &report
.symbol_filter_str
, "filter",
839 "only show symbols that (partially) match with this filter"),
840 OPT_STRING('w', "column-widths", &symbol_conf
.col_width_list_str
,
842 "don't try to adjust column width, use these fixed values"),
843 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf
.field_sep
, "separator",
844 "separator for columns, no spaces will be added between "
845 "columns '.' is reserved."),
846 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf
.hide_unresolved
,
847 "Only display entries resolved to a symbol"),
848 OPT_CALLBACK(0, "symfs", NULL
, "directory",
849 "Look for files with symbols relative to this directory",
850 symbol__config_symfs
),
851 OPT_STRING('C', "cpu", &report
.cpu_list
, "cpu",
852 "list of cpus to profile"),
853 OPT_BOOLEAN('I', "show-info", &report
.show_full_info
,
854 "Display extended information about perf.data file"),
855 OPT_BOOLEAN(0, "source", &symbol_conf
.annotate_src
,
856 "Interleave source code with assembly code (default)"),
857 OPT_BOOLEAN(0, "asm-raw", &symbol_conf
.annotate_asm_raw
,
858 "Display raw encoding of assembly instructions (default)"),
859 OPT_STRING('M', "disassembler-style", &disassembler_style
, "disassembler style",
860 "Specify disassembler style (e.g. -M intel for intel syntax)"),
861 OPT_BOOLEAN(0, "show-total-period", &symbol_conf
.show_total_period
,
862 "Show a column with the sum of periods"),
863 OPT_BOOLEAN(0, "group", &symbol_conf
.event_group
,
864 "Show event group information together"),
865 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode
, "",
866 "use branch records for per branch histogram filling",
868 OPT_BOOLEAN(0, "branch-history", &branch_call_mode
,
869 "add last branch records to call history"),
870 OPT_STRING(0, "objdump", &objdump_path
, "path",
871 "objdump binary to use for disassembly and annotations"),
872 OPT_BOOLEAN(0, "demangle", &symbol_conf
.demangle
,
873 "Disable symbol demangling"),
874 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf
.demangle_kernel
,
875 "Enable kernel symbol demangling"),
876 OPT_BOOLEAN(0, "mem-mode", &report
.mem_mode
, "mem access profile"),
877 OPT_CALLBACK(0, "percent-limit", &report
, "percent",
878 "Don't show entries under that percent", parse_percent_limit
),
879 OPT_CALLBACK(0, "percentage", NULL
, "relative|absolute",
880 "how to display percentage of filtered entries", parse_filter_percentage
),
881 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts
, NULL
, "opts",
882 "Instruction Tracing options",
883 itrace_parse_synth_opts
),
884 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename
,
885 "Show full source file name path for source lines"),
886 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf
.show_ref_callgraph
,
887 "Show callgraph from reference event"),
888 OPT_INTEGER(0, "socket-filter", &report
.socket_filter
,
889 "only show processor socket that match with this filter"),
890 OPT_BOOLEAN(0, "raw-trace", &symbol_conf
.raw_trace
,
891 "Show raw trace event output (do not use print fmt or plugins)"),
892 OPT_BOOLEAN(0, "hierarchy", &symbol_conf
.report_hierarchy
,
893 "Show entries in a hierarchy"),
894 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL
, "mode",
895 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
896 stdio__config_color
, "always"),
897 OPT_STRING(0, "time", &report
.time_str
, "str",
898 "Time span of interest (start,stop)"),
899 OPT_BOOLEAN(0, "inline", &symbol_conf
.inline_name
,
900 "Show inline function"),
903 struct perf_data data
= {
904 .mode
= PERF_DATA_MODE_READ
,
906 int ret
= hists__init();
911 ret
= perf_config(report__config
, &report
);
915 argc
= parse_options(argc
, argv
, options
, report_usage
, 0);
918 * Special case: if there's an argument left then assume that
919 * it's a symbol filter:
922 usage_with_options(report_usage
, options
);
924 report
.symbol_filter_str
= argv
[0];
930 if (symbol_conf
.vmlinux_name
&&
931 access(symbol_conf
.vmlinux_name
, R_OK
)) {
932 pr_err("Invalid file: %s\n", symbol_conf
.vmlinux_name
);
935 if (symbol_conf
.kallsyms_name
&&
936 access(symbol_conf
.kallsyms_name
, R_OK
)) {
937 pr_err("Invalid file: %s\n", symbol_conf
.kallsyms_name
);
941 if (report
.use_stdio
)
943 else if (report
.use_tui
)
945 else if (report
.use_gtk
)
948 if (report
.inverted_callchain
)
949 callchain_param
.order
= ORDER_CALLER
;
950 if (symbol_conf
.cumulate_callchain
&& !callchain_param
.order_set
)
951 callchain_param
.order
= ORDER_CALLER
;
953 if (itrace_synth_opts
.callchain
&&
954 (int)itrace_synth_opts
.callchain_sz
> report
.max_stack
)
955 report
.max_stack
= itrace_synth_opts
.callchain_sz
;
957 if (!input_name
|| !strlen(input_name
)) {
958 if (!fstat(STDIN_FILENO
, &st
) && S_ISFIFO(st
.st_mode
))
961 input_name
= "perf.data";
964 data
.file
.path
= input_name
;
965 data
.force
= symbol_conf
.force
;
968 session
= perf_session__new(&data
, false, &report
.tool
);
972 if (report
.queue_size
) {
973 ordered_events__set_alloc_size(&session
->ordered_events
,
977 session
->itrace_synth_opts
= &itrace_synth_opts
;
979 report
.session
= session
;
981 has_br_stack
= perf_header__has_feat(&session
->header
,
982 HEADER_BRANCH_STACK
);
984 if (itrace_synth_opts
.last_branch
)
987 if (has_br_stack
&& branch_call_mode
)
988 symbol_conf
.show_branchflag_count
= true;
990 memset(&report
.brtype_stat
, 0, sizeof(struct branch_type_stat
));
993 * Branch mode is a tristate:
994 * -1 means default, so decide based on the file having branch data.
995 * 0/1 means the user chose a mode.
997 if (((branch_mode
== -1 && has_br_stack
) || branch_mode
== 1) &&
999 sort__mode
= SORT_MODE__BRANCH
;
1000 symbol_conf
.cumulate_callchain
= false;
1002 if (branch_call_mode
) {
1003 callchain_param
.key
= CCKEY_ADDRESS
;
1004 callchain_param
.branch_callstack
= 1;
1005 symbol_conf
.use_callchain
= true;
1006 callchain_register_param(&callchain_param
);
1007 if (sort_order
== NULL
)
1008 sort_order
= "srcline,symbol,dso";
1011 if (report
.mem_mode
) {
1012 if (sort__mode
== SORT_MODE__BRANCH
) {
1013 pr_err("branch and mem mode incompatible\n");
1016 sort__mode
= SORT_MODE__MEMORY
;
1017 symbol_conf
.cumulate_callchain
= false;
1020 if (symbol_conf
.report_hierarchy
) {
1021 /* disable incompatible options */
1022 symbol_conf
.cumulate_callchain
= false;
1025 pr_err("Error: --hierarchy and --fields options cannot be used together\n");
1026 parse_options_usage(report_usage
, options
, "F", 1);
1027 parse_options_usage(NULL
, options
, "hierarchy", 0);
1031 perf_hpp_list
.need_collapse
= true;
1034 /* Force tty output for header output and per-thread stat. */
1035 if (report
.header
|| report
.header_only
|| report
.show_threads
)
1037 if (report
.header
|| report
.header_only
)
1038 report
.tool
.show_feat_hdr
= SHOW_FEAT_HEADER
;
1039 if (report
.show_full_info
)
1040 report
.tool
.show_feat_hdr
= SHOW_FEAT_HEADER_FULL_INFO
;
1042 if (strcmp(input_name
, "-") != 0)
1043 setup_browser(true);
1047 if (setup_sorting(session
->evlist
) < 0) {
1049 parse_options_usage(report_usage
, options
, "s", 1);
1051 parse_options_usage(sort_order
? NULL
: report_usage
,
1056 if ((report
.header
|| report
.header_only
) && !quiet
) {
1057 perf_session__fprintf_info(session
, stdout
,
1058 report
.show_full_info
);
1059 if (report
.header_only
) {
1063 } else if (use_browser
== 0 && !quiet
) {
1064 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
1069 * Only in the TUI browser we are doing integrated annotation,
1070 * so don't allocate extra space that won't be used in the stdio
1073 if (ui__has_annotation()) {
1074 ret
= symbol__annotation_init();
1078 * For searching by name on the "Browse map details".
1079 * providing it only in verbose mode not to bloat too
1080 * much struct symbol.
1084 * XXX: Need to provide a less kludgy way to ask for
1085 * more space per symbol, the u32 is for the index on
1087 * See symbol__browser_index.
1089 symbol_conf
.priv_size
+= sizeof(u32
);
1090 symbol_conf
.sort_by_name
= true;
1094 if (symbol__init(&session
->header
.env
) < 0)
1097 if (perf_time__parse_str(&report
.ptime
, report
.time_str
) != 0) {
1098 pr_err("Invalid time string\n");
1102 sort__setup_elide(stdout
);
1104 ret
= __cmd_report(&report
);
1105 if (ret
== K_SWITCH_INPUT_DATA
) {
1106 perf_session__delete(session
);
1112 perf_session__delete(session
);