4 * Builtin report command: Analyze the perf.data input file,
5 * look up and read DSOs and symbol information and display
6 * a histogram of results, along various sorting keys.
10 #include "util/util.h"
11 #include "util/cache.h"
13 #include "util/annotate.h"
14 #include "util/color.h"
15 #include <linux/list.h>
16 #include <linux/rbtree.h>
17 #include "util/symbol.h"
18 #include "util/callchain.h"
19 #include "util/strlist.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 "util/parse-options.h"
31 #include "util/parse-events.h"
33 #include "util/thread.h"
34 #include "util/sort.h"
35 #include "util/hist.h"
36 #include "util/data.h"
37 #include "arch/common.h"
39 #include "util/auxtrace.h"
42 #include <linux/bitmap.h>
45 struct perf_tool tool
;
46 struct perf_session
*session
;
47 bool force
, use_tui
, use_gtk
, use_stdio
;
49 bool dont_use_callchains
;
52 bool inverted_callchain
;
56 bool nonany_branch_mode
;
58 struct perf_read_values show_threads_values
;
59 const char *pretty_printing_style
;
61 const char *symbol_filter_str
;
65 DECLARE_BITMAP(cpu_bitmap
, MAX_NR_CPUS
);
68 static int report__config(const char *var
, const char *value
, void *cb
)
70 struct report
*rep
= cb
;
72 if (!strcmp(var
, "report.group")) {
73 symbol_conf
.event_group
= perf_config_bool(var
, value
);
76 if (!strcmp(var
, "report.percent-limit")) {
77 rep
->min_percent
= strtof(value
, NULL
);
80 if (!strcmp(var
, "report.children")) {
81 symbol_conf
.cumulate_callchain
= perf_config_bool(var
, value
);
84 if (!strcmp(var
, "report.queue-size")) {
85 rep
->queue_size
= perf_config_u64(var
, value
);
89 return perf_default_config(var
, value
, cb
);
92 static int hist_iter__report_callback(struct hist_entry_iter
*iter
,
93 struct addr_location
*al
, bool single
,
97 struct report
*rep
= arg
;
98 struct hist_entry
*he
= iter
->he
;
99 struct perf_evsel
*evsel
= iter
->evsel
;
101 struct branch_info
*bi
;
103 if (!ui__has_annotation())
106 hist__account_cycles(iter
->sample
->branch_stack
, al
, iter
->sample
,
107 rep
->nonany_branch_mode
);
109 if (sort__mode
== SORT_MODE__BRANCH
) {
110 bi
= he
->branch_info
;
111 err
= addr_map_symbol__inc_samples(&bi
->from
, evsel
->idx
);
115 err
= addr_map_symbol__inc_samples(&bi
->to
, evsel
->idx
);
117 } else if (rep
->mem_mode
) {
119 err
= addr_map_symbol__inc_samples(&mi
->daddr
, evsel
->idx
);
123 err
= hist_entry__inc_addr_samples(he
, evsel
->idx
, al
->addr
);
125 } else if (symbol_conf
.cumulate_callchain
) {
127 err
= hist_entry__inc_addr_samples(he
, evsel
->idx
,
130 err
= hist_entry__inc_addr_samples(he
, evsel
->idx
, al
->addr
);
137 static int process_sample_event(struct perf_tool
*tool
,
138 union perf_event
*event
,
139 struct perf_sample
*sample
,
140 struct perf_evsel
*evsel
,
141 struct machine
*machine
)
143 struct report
*rep
= container_of(tool
, struct report
, tool
);
144 struct addr_location al
;
145 struct hist_entry_iter iter
= {
148 .hide_unresolved
= rep
->hide_unresolved
,
149 .add_entry_cb
= hist_iter__report_callback
,
153 if (perf_event__preprocess_sample(event
, machine
, &al
, sample
) < 0) {
154 pr_debug("problem processing %d event, skipping it.\n",
159 if (rep
->hide_unresolved
&& al
.sym
== NULL
)
162 if (rep
->cpu_list
&& !test_bit(sample
->cpu
, rep
->cpu_bitmap
))
165 if (sort__mode
== SORT_MODE__BRANCH
)
166 iter
.ops
= &hist_iter_branch
;
167 else if (rep
->mem_mode
)
168 iter
.ops
= &hist_iter_mem
;
169 else if (symbol_conf
.cumulate_callchain
)
170 iter
.ops
= &hist_iter_cumulative
;
172 iter
.ops
= &hist_iter_normal
;
175 al
.map
->dso
->hit
= 1;
177 ret
= hist_entry_iter__add(&iter
, &al
, rep
->max_stack
, rep
);
179 pr_debug("problem adding hist entry, skipping event\n");
181 addr_location__put(&al
);
185 static int process_read_event(struct perf_tool
*tool
,
186 union perf_event
*event
,
187 struct perf_sample
*sample __maybe_unused
,
188 struct perf_evsel
*evsel
,
189 struct machine
*machine __maybe_unused
)
191 struct report
*rep
= container_of(tool
, struct report
, tool
);
193 if (rep
->show_threads
) {
194 const char *name
= evsel
? perf_evsel__name(evsel
) : "unknown";
195 perf_read_values_add_value(&rep
->show_threads_values
,
196 event
->read
.pid
, event
->read
.tid
,
202 dump_printf(": %d %d %s %" PRIu64
"\n", event
->read
.pid
, event
->read
.tid
,
203 evsel
? perf_evsel__name(evsel
) : "FAIL",
209 /* For pipe mode, sample_type is not currently set */
210 static int report__setup_sample_type(struct report
*rep
)
212 struct perf_session
*session
= rep
->session
;
213 u64 sample_type
= perf_evlist__combined_sample_type(session
->evlist
);
214 bool is_pipe
= perf_data_file__is_pipe(session
->file
);
216 if (!is_pipe
&& !(sample_type
& PERF_SAMPLE_CALLCHAIN
)) {
217 if (sort__has_parent
) {
218 ui__error("Selected --sort parent, but no "
219 "callchain data. Did you call "
220 "'perf record' without -g?\n");
223 if (symbol_conf
.use_callchain
) {
224 ui__error("Selected -g or --branch-history but no "
225 "callchain data. Did\n"
226 "you call 'perf record' without -g?\n");
229 } else if (!rep
->dont_use_callchains
&&
230 callchain_param
.mode
!= CHAIN_NONE
&&
231 !symbol_conf
.use_callchain
) {
232 symbol_conf
.use_callchain
= true;
233 if (callchain_register_param(&callchain_param
) < 0) {
234 ui__error("Can't register callchain params.\n");
239 if (symbol_conf
.cumulate_callchain
) {
240 /* Silently ignore if callchain is missing */
241 if (!(sample_type
& PERF_SAMPLE_CALLCHAIN
)) {
242 symbol_conf
.cumulate_callchain
= false;
243 perf_hpp__cancel_cumulate();
247 if (sort__mode
== SORT_MODE__BRANCH
) {
249 !(sample_type
& PERF_SAMPLE_BRANCH_STACK
)) {
250 ui__error("Selected -b but no branch data. "
251 "Did you call perf record without -b?\n");
256 if (symbol_conf
.use_callchain
|| symbol_conf
.cumulate_callchain
) {
257 if ((sample_type
& PERF_SAMPLE_REGS_USER
) &&
258 (sample_type
& PERF_SAMPLE_STACK_USER
))
259 callchain_param
.record_mode
= CALLCHAIN_DWARF
;
260 else if (sample_type
& PERF_SAMPLE_BRANCH_STACK
)
261 callchain_param
.record_mode
= CALLCHAIN_LBR
;
263 callchain_param
.record_mode
= CALLCHAIN_FP
;
266 /* ??? handle more cases than just ANY? */
267 if (!(perf_evlist__combined_branch_type(session
->evlist
) &
268 PERF_SAMPLE_BRANCH_ANY
))
269 rep
->nonany_branch_mode
= true;
274 static void sig_handler(int sig __maybe_unused
)
279 static size_t hists__fprintf_nr_sample_events(struct hists
*hists
, struct report
*rep
,
280 const char *evname
, FILE *fp
)
284 unsigned long nr_samples
= hists
->stats
.nr_events
[PERF_RECORD_SAMPLE
];
285 u64 nr_events
= hists
->stats
.total_period
;
286 struct perf_evsel
*evsel
= hists_to_evsel(hists
);
288 size_t size
= sizeof(buf
);
290 if (symbol_conf
.filter_relative
) {
291 nr_samples
= hists
->stats
.nr_non_filtered_samples
;
292 nr_events
= hists
->stats
.total_non_filtered_period
;
295 if (perf_evsel__is_group_event(evsel
)) {
296 struct perf_evsel
*pos
;
298 perf_evsel__group_desc(evsel
, buf
, size
);
301 for_each_group_member(pos
, evsel
) {
302 const struct hists
*pos_hists
= evsel__hists(pos
);
304 if (symbol_conf
.filter_relative
) {
305 nr_samples
+= pos_hists
->stats
.nr_non_filtered_samples
;
306 nr_events
+= pos_hists
->stats
.total_non_filtered_period
;
308 nr_samples
+= pos_hists
->stats
.nr_events
[PERF_RECORD_SAMPLE
];
309 nr_events
+= pos_hists
->stats
.total_period
;
314 nr_samples
= convert_unit(nr_samples
, &unit
);
315 ret
= fprintf(fp
, "# Samples: %lu%c", nr_samples
, unit
);
317 ret
+= fprintf(fp
, " of event '%s'", evname
);
319 if (symbol_conf
.show_ref_callgraph
&&
320 strstr(evname
, "call-graph=no")) {
321 ret
+= fprintf(fp
, ", show reference callgraph");
325 ret
+= fprintf(fp
, "\n# Total weight : %" PRIu64
, nr_events
);
326 ret
+= fprintf(fp
, "\n# Sort order : %s", sort_order
? : default_mem_sort_order
);
328 ret
+= fprintf(fp
, "\n# Event count (approx.): %" PRIu64
, nr_events
);
329 return ret
+ fprintf(fp
, "\n#\n");
332 static int perf_evlist__tty_browse_hists(struct perf_evlist
*evlist
,
336 struct perf_evsel
*pos
;
338 fprintf(stdout
, "#\n# Total Lost Samples: %" PRIu64
"\n#\n", evlist
->stats
.total_lost_samples
);
339 evlist__for_each(evlist
, pos
) {
340 struct hists
*hists
= evsel__hists(pos
);
341 const char *evname
= perf_evsel__name(pos
);
343 if (symbol_conf
.event_group
&&
344 !perf_evsel__is_group_leader(pos
))
347 hists__fprintf_nr_sample_events(hists
, rep
, evname
, stdout
);
348 hists__fprintf(hists
, true, 0, 0, rep
->min_percent
, stdout
);
349 fprintf(stdout
, "\n\n");
352 if (sort_order
== NULL
&&
353 parent_pattern
== default_parent_pattern
)
354 fprintf(stdout
, "#\n# (%s)\n#\n", help
);
356 if (rep
->show_threads
) {
357 bool style
= !strcmp(rep
->pretty_printing_style
, "raw");
358 perf_read_values_display(stdout
, &rep
->show_threads_values
,
360 perf_read_values_destroy(&rep
->show_threads_values
);
366 static void report__warn_kptr_restrict(const struct report
*rep
)
368 struct map
*kernel_map
= rep
->session
->machines
.host
.vmlinux_maps
[MAP__FUNCTION
];
369 struct kmap
*kernel_kmap
= kernel_map
? map__kmap(kernel_map
) : NULL
;
371 if (kernel_map
== NULL
||
372 (kernel_map
->dso
->hit
&&
373 (kernel_kmap
->ref_reloc_sym
== NULL
||
374 kernel_kmap
->ref_reloc_sym
->addr
== 0))) {
376 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
377 "can't be resolved.";
380 const struct dso
*kdso
= kernel_map
->dso
;
381 if (!RB_EMPTY_ROOT(&kdso
->symbols
[MAP__FUNCTION
])) {
382 desc
= "If some relocation was applied (e.g. "
383 "kexec) symbols may be misresolved.";
388 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
389 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
390 "Samples in kernel modules can't be resolved as well.\n\n",
395 static int report__gtk_browse_hists(struct report
*rep
, const char *help
)
397 int (*hist_browser
)(struct perf_evlist
*evlist
, const char *help
,
398 struct hist_browser_timer
*timer
, float min_pcnt
);
400 hist_browser
= dlsym(perf_gtk_handle
, "perf_evlist__gtk_browse_hists");
402 if (hist_browser
== NULL
) {
403 ui__error("GTK browser not found!\n");
407 return hist_browser(rep
->session
->evlist
, help
, NULL
, rep
->min_percent
);
410 static int report__browse_hists(struct report
*rep
)
413 struct perf_session
*session
= rep
->session
;
414 struct perf_evlist
*evlist
= session
->evlist
;
415 const char *help
= "For a higher level overview, try: perf report --sort comm,dso";
417 switch (use_browser
) {
419 ret
= perf_evlist__tui_browse_hists(evlist
, help
, NULL
,
421 &session
->header
.env
);
423 * Usually "ret" is the last pressed key, and we only
424 * care if the key notifies us to switch data file.
426 if (ret
!= K_SWITCH_INPUT_DATA
)
430 ret
= report__gtk_browse_hists(rep
, help
);
433 ret
= perf_evlist__tty_browse_hists(evlist
, rep
, help
);
440 static void report__collapse_hists(struct report
*rep
)
442 struct ui_progress prog
;
443 struct perf_evsel
*pos
;
445 ui_progress__init(&prog
, rep
->nr_entries
, "Merging related events...");
447 evlist__for_each(rep
->session
->evlist
, pos
) {
448 struct hists
*hists
= evsel__hists(pos
);
451 hists
->symbol_filter_str
= rep
->symbol_filter_str
;
453 hists__collapse_resort(hists
, &prog
);
455 /* Non-group events are considered as leader */
456 if (symbol_conf
.event_group
&&
457 !perf_evsel__is_group_leader(pos
)) {
458 struct hists
*leader_hists
= evsel__hists(pos
->leader
);
460 hists__match(leader_hists
, hists
);
461 hists__link(leader_hists
, hists
);
465 ui_progress__finish();
468 static void report__output_resort(struct report
*rep
)
470 struct ui_progress prog
;
471 struct perf_evsel
*pos
;
473 ui_progress__init(&prog
, rep
->nr_entries
, "Sorting events for output...");
475 evlist__for_each(rep
->session
->evlist
, pos
)
476 hists__output_resort(evsel__hists(pos
), &prog
);
478 ui_progress__finish();
481 static int __cmd_report(struct report
*rep
)
484 struct perf_session
*session
= rep
->session
;
485 struct perf_evsel
*pos
;
486 struct perf_data_file
*file
= session
->file
;
488 signal(SIGINT
, sig_handler
);
491 ret
= perf_session__cpu_bitmap(session
, rep
->cpu_list
,
497 if (rep
->show_threads
)
498 perf_read_values_init(&rep
->show_threads_values
);
500 ret
= report__setup_sample_type(rep
);
504 ret
= perf_session__process_events(session
);
508 report__warn_kptr_restrict(rep
);
510 evlist__for_each(session
->evlist
, pos
)
511 rep
->nr_entries
+= evsel__hists(pos
)->nr_entries
;
513 if (use_browser
== 0) {
515 perf_session__fprintf(session
, stdout
);
518 perf_session__fprintf_dsos(session
, stdout
);
521 perf_session__fprintf_nr_events(session
, stdout
);
522 perf_evlist__fprintf_nr_events(session
->evlist
, stdout
);
527 report__collapse_hists(rep
);
533 * recalculate number of entries after collapsing since it
534 * might be changed during the collapse phase.
537 evlist__for_each(session
->evlist
, pos
)
538 rep
->nr_entries
+= evsel__hists(pos
)->nr_entries
;
540 if (rep
->nr_entries
== 0) {
541 ui__error("The %s file has no samples!\n", file
->path
);
545 report__output_resort(rep
);
547 return report__browse_hists(rep
);
551 report_parse_callchain_opt(const struct option
*opt
, const char *arg
, int unset
)
553 struct report
*rep
= (struct report
*)opt
->value
;
559 rep
->dont_use_callchains
= true;
563 return parse_callchain_report_opt(arg
);
567 report_parse_ignore_callees_opt(const struct option
*opt __maybe_unused
,
568 const char *arg
, int unset __maybe_unused
)
571 int err
= regcomp(&ignore_callees_regex
, arg
, REG_EXTENDED
);
574 regerror(err
, &ignore_callees_regex
, buf
, sizeof(buf
));
575 pr_err("Invalid --ignore-callees regex: %s\n%s", arg
, buf
);
578 have_ignore_callees
= 1;
585 parse_branch_mode(const struct option
*opt __maybe_unused
,
586 const char *str __maybe_unused
, int unset
)
588 int *branch_mode
= opt
->value
;
590 *branch_mode
= !unset
;
595 parse_percent_limit(const struct option
*opt
, const char *str
,
596 int unset __maybe_unused
)
598 struct report
*rep
= opt
->value
;
600 rep
->min_percent
= strtof(str
, NULL
);
604 int cmd_report(int argc
, const char **argv
, const char *prefix __maybe_unused
)
606 struct perf_session
*session
;
607 struct itrace_synth_opts itrace_synth_opts
= { .set
= 0, };
609 bool has_br_stack
= false;
610 int branch_mode
= -1;
611 bool branch_call_mode
= false;
612 char callchain_default_opt
[] = "fractal,0.5,callee";
613 const char * const report_usage
[] = {
614 "perf report [<options>]",
617 struct report report
= {
619 .sample
= process_sample_event
,
620 .mmap
= perf_event__process_mmap
,
621 .mmap2
= perf_event__process_mmap2
,
622 .comm
= perf_event__process_comm
,
623 .exit
= perf_event__process_exit
,
624 .fork
= perf_event__process_fork
,
625 .lost
= perf_event__process_lost
,
626 .read
= process_read_event
,
627 .attr
= perf_event__process_attr
,
628 .tracing_data
= perf_event__process_tracing_data
,
629 .build_id
= perf_event__process_build_id
,
630 .id_index
= perf_event__process_id_index
,
631 .auxtrace_info
= perf_event__process_auxtrace_info
,
632 .auxtrace
= perf_event__process_auxtrace
,
633 .ordered_events
= true,
634 .ordering_requires_timestamps
= true,
636 .max_stack
= PERF_MAX_STACK_DEPTH
,
637 .pretty_printing_style
= "normal",
639 const struct option options
[] = {
640 OPT_STRING('i', "input", &input_name
, "file",
642 OPT_INCR('v', "verbose", &verbose
,
643 "be more verbose (show symbol address, etc)"),
644 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace
,
645 "dump raw trace in ASCII"),
646 OPT_STRING('k', "vmlinux", &symbol_conf
.vmlinux_name
,
647 "file", "vmlinux pathname"),
648 OPT_STRING(0, "kallsyms", &symbol_conf
.kallsyms_name
,
649 "file", "kallsyms pathname"),
650 OPT_BOOLEAN('f', "force", &report
.force
, "don't complain, do it"),
651 OPT_BOOLEAN('m', "modules", &symbol_conf
.use_modules
,
652 "load module symbols - WARNING: use only with -k and LIVE kernel"),
653 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf
.show_nr_samples
,
654 "Show a column with the number of samples"),
655 OPT_BOOLEAN('T', "threads", &report
.show_threads
,
656 "Show per-thread event counters"),
657 OPT_STRING(0, "pretty", &report
.pretty_printing_style
, "key",
658 "pretty printing style key: normal raw"),
659 OPT_BOOLEAN(0, "tui", &report
.use_tui
, "Use the TUI interface"),
660 OPT_BOOLEAN(0, "gtk", &report
.use_gtk
, "Use the GTK2 interface"),
661 OPT_BOOLEAN(0, "stdio", &report
.use_stdio
,
662 "Use the stdio interface"),
663 OPT_BOOLEAN(0, "header", &report
.header
, "Show data header."),
664 OPT_BOOLEAN(0, "header-only", &report
.header_only
,
665 "Show only data header."),
666 OPT_STRING('s', "sort", &sort_order
, "key[,key2...]",
667 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
668 " Please refer the man page for the complete list."),
669 OPT_STRING('F', "fields", &field_order
, "key[,keys...]",
670 "output field(s): overhead, period, sample plus all of sort keys"),
671 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf
.show_cpu_utilization
,
672 "Show sample percentage for different cpu modes"),
673 OPT_STRING('p', "parent", &parent_pattern
, "regex",
674 "regex filter to identify parent, see: '--sort parent'"),
675 OPT_BOOLEAN('x', "exclude-other", &symbol_conf
.exclude_other
,
676 "Only display entries with parent-match"),
677 OPT_CALLBACK_DEFAULT('g', "call-graph", &report
, "output_type,min_percent[,print_limit],call_order[,branch]",
678 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. "
679 "Default: fractal,0.5,callee,function", &report_parse_callchain_opt
, callchain_default_opt
),
680 OPT_BOOLEAN(0, "children", &symbol_conf
.cumulate_callchain
,
681 "Accumulate callchains of children and show total overhead as well"),
682 OPT_INTEGER(0, "max-stack", &report
.max_stack
,
683 "Set the maximum stack depth when parsing the callchain, "
684 "anything beyond the specified depth will be ignored. "
685 "Default: " __stringify(PERF_MAX_STACK_DEPTH
)),
686 OPT_BOOLEAN('G', "inverted", &report
.inverted_callchain
,
687 "alias for inverted call graph"),
688 OPT_CALLBACK(0, "ignore-callees", NULL
, "regex",
689 "ignore callees of these functions in call graphs",
690 report_parse_ignore_callees_opt
),
691 OPT_STRING('d', "dsos", &symbol_conf
.dso_list_str
, "dso[,dso...]",
692 "only consider symbols in these dsos"),
693 OPT_STRING('c', "comms", &symbol_conf
.comm_list_str
, "comm[,comm...]",
694 "only consider symbols in these comms"),
695 OPT_STRING(0, "pid", &symbol_conf
.pid_list_str
, "pid[,pid...]",
696 "only consider symbols in these pids"),
697 OPT_STRING(0, "tid", &symbol_conf
.tid_list_str
, "tid[,tid...]",
698 "only consider symbols in these tids"),
699 OPT_STRING('S', "symbols", &symbol_conf
.sym_list_str
, "symbol[,symbol...]",
700 "only consider these symbols"),
701 OPT_STRING(0, "symbol-filter", &report
.symbol_filter_str
, "filter",
702 "only show symbols that (partially) match with this filter"),
703 OPT_STRING('w', "column-widths", &symbol_conf
.col_width_list_str
,
705 "don't try to adjust column width, use these fixed values"),
706 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf
.field_sep
, "separator",
707 "separator for columns, no spaces will be added between "
708 "columns '.' is reserved."),
709 OPT_BOOLEAN('U', "hide-unresolved", &report
.hide_unresolved
,
710 "Only display entries resolved to a symbol"),
711 OPT_STRING(0, "symfs", &symbol_conf
.symfs
, "directory",
712 "Look for files with symbols relative to this directory"),
713 OPT_STRING('C', "cpu", &report
.cpu_list
, "cpu",
714 "list of cpus to profile"),
715 OPT_BOOLEAN('I', "show-info", &report
.show_full_info
,
716 "Display extended information about perf.data file"),
717 OPT_BOOLEAN(0, "source", &symbol_conf
.annotate_src
,
718 "Interleave source code with assembly code (default)"),
719 OPT_BOOLEAN(0, "asm-raw", &symbol_conf
.annotate_asm_raw
,
720 "Display raw encoding of assembly instructions (default)"),
721 OPT_STRING('M', "disassembler-style", &disassembler_style
, "disassembler style",
722 "Specify disassembler style (e.g. -M intel for intel syntax)"),
723 OPT_BOOLEAN(0, "show-total-period", &symbol_conf
.show_total_period
,
724 "Show a column with the sum of periods"),
725 OPT_BOOLEAN(0, "group", &symbol_conf
.event_group
,
726 "Show event group information together"),
727 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode
, "",
728 "use branch records for per branch histogram filling",
730 OPT_BOOLEAN(0, "branch-history", &branch_call_mode
,
731 "add last branch records to call history"),
732 OPT_STRING(0, "objdump", &objdump_path
, "path",
733 "objdump binary to use for disassembly and annotations"),
734 OPT_BOOLEAN(0, "demangle", &symbol_conf
.demangle
,
735 "Disable symbol demangling"),
736 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf
.demangle_kernel
,
737 "Enable kernel symbol demangling"),
738 OPT_BOOLEAN(0, "mem-mode", &report
.mem_mode
, "mem access profile"),
739 OPT_CALLBACK(0, "percent-limit", &report
, "percent",
740 "Don't show entries under that percent", parse_percent_limit
),
741 OPT_CALLBACK(0, "percentage", NULL
, "relative|absolute",
742 "how to display percentage of filtered entries", parse_filter_percentage
),
743 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts
, NULL
, "opts",
744 "Instruction Tracing options",
745 itrace_parse_synth_opts
),
746 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename
,
747 "Show full source file name path for source lines"),
748 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf
.show_ref_callgraph
,
749 "Show callgraph from reference event"),
752 struct perf_data_file file
= {
753 .mode
= PERF_DATA_MODE_READ
,
755 int ret
= hists__init();
760 perf_config(report__config
, &report
);
762 argc
= parse_options(argc
, argv
, options
, report_usage
, 0);
764 if (symbol_conf
.vmlinux_name
&&
765 access(symbol_conf
.vmlinux_name
, R_OK
)) {
766 pr_err("Invalid file: %s\n", symbol_conf
.vmlinux_name
);
769 if (symbol_conf
.kallsyms_name
&&
770 access(symbol_conf
.kallsyms_name
, R_OK
)) {
771 pr_err("Invalid file: %s\n", symbol_conf
.kallsyms_name
);
775 if (report
.use_stdio
)
777 else if (report
.use_tui
)
779 else if (report
.use_gtk
)
782 if (report
.inverted_callchain
)
783 callchain_param
.order
= ORDER_CALLER
;
785 if (!input_name
|| !strlen(input_name
)) {
786 if (!fstat(STDIN_FILENO
, &st
) && S_ISFIFO(st
.st_mode
))
789 input_name
= "perf.data";
792 file
.path
= input_name
;
793 file
.force
= report
.force
;
796 session
= perf_session__new(&file
, false, &report
.tool
);
800 if (report
.queue_size
) {
801 ordered_events__set_alloc_size(&session
->ordered_events
,
805 session
->itrace_synth_opts
= &itrace_synth_opts
;
807 report
.session
= session
;
809 has_br_stack
= perf_header__has_feat(&session
->header
,
810 HEADER_BRANCH_STACK
);
813 * Branch mode is a tristate:
814 * -1 means default, so decide based on the file having branch data.
815 * 0/1 means the user chose a mode.
817 if (((branch_mode
== -1 && has_br_stack
) || branch_mode
== 1) &&
819 sort__mode
= SORT_MODE__BRANCH
;
820 symbol_conf
.cumulate_callchain
= false;
822 if (branch_call_mode
) {
823 callchain_param
.key
= CCKEY_ADDRESS
;
824 callchain_param
.branch_callstack
= 1;
825 symbol_conf
.use_callchain
= true;
826 callchain_register_param(&callchain_param
);
827 if (sort_order
== NULL
)
828 sort_order
= "srcline,symbol,dso";
831 if (report
.mem_mode
) {
832 if (sort__mode
== SORT_MODE__BRANCH
) {
833 pr_err("branch and mem mode incompatible\n");
836 sort__mode
= SORT_MODE__MEMORY
;
837 symbol_conf
.cumulate_callchain
= false;
840 if (setup_sorting() < 0) {
842 parse_options_usage(report_usage
, options
, "s", 1);
844 parse_options_usage(sort_order
? NULL
: report_usage
,
849 /* Force tty output for header output and per-thread stat. */
850 if (report
.header
|| report
.header_only
|| report
.show_threads
)
853 if (strcmp(input_name
, "-") != 0)
858 if (report
.header
|| report
.header_only
) {
859 perf_session__fprintf_info(session
, stdout
,
860 report
.show_full_info
);
861 if (report
.header_only
) {
865 } else if (use_browser
== 0) {
866 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
871 * Only in the TUI browser we are doing integrated annotation,
872 * so don't allocate extra space that won't be used in the stdio
875 if (ui__has_annotation()) {
876 symbol_conf
.priv_size
= sizeof(struct annotation
);
877 machines__set_symbol_filter(&session
->machines
,
878 symbol__annotate_init
);
880 * For searching by name on the "Browse map details".
881 * providing it only in verbose mode not to bloat too
882 * much struct symbol.
886 * XXX: Need to provide a less kludgy way to ask for
887 * more space per symbol, the u32 is for the index on
889 * See symbol__browser_index.
891 symbol_conf
.priv_size
+= sizeof(u32
);
892 symbol_conf
.sort_by_name
= true;
896 if (symbol__init(&session
->header
.env
) < 0)
901 * Special case: if there's an argument left then assume that
902 * it's a symbol filter:
905 usage_with_options(report_usage
, options
);
907 report
.symbol_filter_str
= argv
[0];
910 sort__setup_elide(stdout
);
912 ret
= __cmd_report(&report
);
913 if (ret
== K_SWITCH_INPUT_DATA
) {
914 perf_session__delete(session
);
920 perf_session__delete(session
);