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8#include "builtin.h"
9
10#include "util/util.h"
11#include "util/cache.h"
12
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"
21
22#include "perf.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"
29
30#include "util/parse-options.h"
31#include "util/parse-events.h"
32
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"
38
39#include <dlfcn.h>
40#include <linux/bitmap.h>
41
42struct report {
43 struct perf_tool tool;
44 struct perf_session *session;
45 bool force, use_tui, use_gtk, use_stdio;
46 bool hide_unresolved;
47 bool dont_use_callchains;
48 bool show_full_info;
49 bool show_threads;
50 bool inverted_callchain;
51 bool mem_mode;
52 bool header;
53 bool header_only;
54 int max_stack;
55 struct perf_read_values show_threads_values;
56 const char *pretty_printing_style;
57 const char *cpu_list;
58 const char *symbol_filter_str;
59 float min_percent;
60 u64 nr_entries;
61 u64 queue_size;
62 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
63};
64
65static int report__config(const char *var, const char *value, void *cb)
66{
67 struct report *rep = cb;
68
69 if (!strcmp(var, "report.group")) {
70 symbol_conf.event_group = perf_config_bool(var, value);
71 return 0;
72 }
73 if (!strcmp(var, "report.percent-limit")) {
74 rep->min_percent = strtof(value, NULL);
75 return 0;
76 }
77 if (!strcmp(var, "report.children")) {
78 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
79 return 0;
80 }
81 if (!strcmp(var, "report.queue-size")) {
82 rep->queue_size = perf_config_u64(var, value);
83 return 0;
84 }
85
86 return perf_default_config(var, value, cb);
87}
88
89static void report__inc_stats(struct report *rep, struct hist_entry *he)
90{
91
92
93
94
95
96 if (he->stat.nr_events == 1)
97 rep->nr_entries++;
98}
99
100static int hist_iter__report_callback(struct hist_entry_iter *iter,
101 struct addr_location *al, bool single,
102 void *arg)
103{
104 int err = 0;
105 struct report *rep = arg;
106 struct hist_entry *he = iter->he;
107 struct perf_evsel *evsel = iter->evsel;
108 struct mem_info *mi;
109 struct branch_info *bi;
110
111 report__inc_stats(rep, he);
112
113 if (!ui__has_annotation())
114 return 0;
115
116 if (sort__mode == SORT_MODE__BRANCH) {
117 bi = he->branch_info;
118 err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
119 if (err)
120 goto out;
121
122 err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);
123
124 } else if (rep->mem_mode) {
125 mi = he->mem_info;
126 err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
127 if (err)
128 goto out;
129
130 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
131
132 } else if (symbol_conf.cumulate_callchain) {
133 if (single)
134 err = hist_entry__inc_addr_samples(he, evsel->idx,
135 al->addr);
136 } else {
137 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
138 }
139
140out:
141 return err;
142}
143
144static int process_sample_event(struct perf_tool *tool,
145 union perf_event *event,
146 struct perf_sample *sample,
147 struct perf_evsel *evsel,
148 struct machine *machine)
149{
150 struct report *rep = container_of(tool, struct report, tool);
151 struct addr_location al;
152 struct hist_entry_iter iter = {
153 .hide_unresolved = rep->hide_unresolved,
154 .add_entry_cb = hist_iter__report_callback,
155 };
156 int ret;
157
158 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
159 pr_debug("problem processing %d event, skipping it.\n",
160 event->header.type);
161 return -1;
162 }
163
164 if (rep->hide_unresolved && al.sym == NULL)
165 return 0;
166
167 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
168 return 0;
169
170 if (sort__mode == SORT_MODE__BRANCH)
171 iter.ops = &hist_iter_branch;
172 else if (rep->mem_mode)
173 iter.ops = &hist_iter_mem;
174 else if (symbol_conf.cumulate_callchain)
175 iter.ops = &hist_iter_cumulative;
176 else
177 iter.ops = &hist_iter_normal;
178
179 if (al.map != NULL)
180 al.map->dso->hit = 1;
181
182 ret = hist_entry_iter__add(&iter, &al, evsel, sample, rep->max_stack,
183 rep);
184 if (ret < 0)
185 pr_debug("problem adding hist entry, skipping event\n");
186
187 return ret;
188}
189
190static int process_read_event(struct perf_tool *tool,
191 union perf_event *event,
192 struct perf_sample *sample __maybe_unused,
193 struct perf_evsel *evsel,
194 struct machine *machine __maybe_unused)
195{
196 struct report *rep = container_of(tool, struct report, tool);
197
198 if (rep->show_threads) {
199 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
200 perf_read_values_add_value(&rep->show_threads_values,
201 event->read.pid, event->read.tid,
202 event->read.id,
203 name,
204 event->read.value);
205 }
206
207 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
208 evsel ? perf_evsel__name(evsel) : "FAIL",
209 event->read.value);
210
211 return 0;
212}
213
214
215static int report__setup_sample_type(struct report *rep)
216{
217 struct perf_session *session = rep->session;
218 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
219 bool is_pipe = perf_data_file__is_pipe(session->file);
220
221 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
222 if (sort__has_parent) {
223 ui__error("Selected --sort parent, but no "
224 "callchain data. Did you call "
225 "'perf record' without -g?\n");
226 return -EINVAL;
227 }
228 if (symbol_conf.use_callchain) {
229 ui__error("Selected -g but no callchain data. Did "
230 "you call 'perf record' without -g?\n");
231 return -1;
232 }
233 } else if (!rep->dont_use_callchains &&
234 callchain_param.mode != CHAIN_NONE &&
235 !symbol_conf.use_callchain) {
236 symbol_conf.use_callchain = true;
237 if (callchain_register_param(&callchain_param) < 0) {
238 ui__error("Can't register callchain params.\n");
239 return -EINVAL;
240 }
241 }
242
243 if (symbol_conf.cumulate_callchain) {
244
245 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
246 symbol_conf.cumulate_callchain = false;
247 perf_hpp__cancel_cumulate();
248 }
249 }
250
251 if (sort__mode == SORT_MODE__BRANCH) {
252 if (!is_pipe &&
253 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
254 ui__error("Selected -b but no branch data. "
255 "Did you call perf record without -b?\n");
256 return -1;
257 }
258 }
259
260 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
261 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
262 (sample_type & PERF_SAMPLE_STACK_USER))
263 callchain_param.record_mode = CALLCHAIN_DWARF;
264 else
265 callchain_param.record_mode = CALLCHAIN_FP;
266 }
267 return 0;
268}
269
270static void sig_handler(int sig __maybe_unused)
271{
272 session_done = 1;
273}
274
275static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
276 const char *evname, FILE *fp)
277{
278 size_t ret;
279 char unit;
280 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
281 u64 nr_events = hists->stats.total_period;
282 struct perf_evsel *evsel = hists_to_evsel(hists);
283 char buf[512];
284 size_t size = sizeof(buf);
285
286 if (symbol_conf.filter_relative) {
287 nr_samples = hists->stats.nr_non_filtered_samples;
288 nr_events = hists->stats.total_non_filtered_period;
289 }
290
291 if (perf_evsel__is_group_event(evsel)) {
292 struct perf_evsel *pos;
293
294 perf_evsel__group_desc(evsel, buf, size);
295 evname = buf;
296
297 for_each_group_member(pos, evsel) {
298 const struct hists *pos_hists = evsel__hists(pos);
299
300 if (symbol_conf.filter_relative) {
301 nr_samples += pos_hists->stats.nr_non_filtered_samples;
302 nr_events += pos_hists->stats.total_non_filtered_period;
303 } else {
304 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
305 nr_events += pos_hists->stats.total_period;
306 }
307 }
308 }
309
310 nr_samples = convert_unit(nr_samples, &unit);
311 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
312 if (evname != NULL)
313 ret += fprintf(fp, " of event '%s'", evname);
314
315 if (rep->mem_mode) {
316 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
317 ret += fprintf(fp, "\n# Sort order : %s", sort_order);
318 } else
319 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
320 return ret + fprintf(fp, "\n#\n");
321}
322
323static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
324 struct report *rep,
325 const char *help)
326{
327 struct perf_evsel *pos;
328
329 evlist__for_each(evlist, pos) {
330 struct hists *hists = evsel__hists(pos);
331 const char *evname = perf_evsel__name(pos);
332
333 if (symbol_conf.event_group &&
334 !perf_evsel__is_group_leader(pos))
335 continue;
336
337 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
338 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
339 fprintf(stdout, "\n\n");
340 }
341
342 if (sort_order == default_sort_order &&
343 parent_pattern == default_parent_pattern) {
344 fprintf(stdout, "#\n# (%s)\n#\n", help);
345
346 if (rep->show_threads) {
347 bool style = !strcmp(rep->pretty_printing_style, "raw");
348 perf_read_values_display(stdout, &rep->show_threads_values,
349 style);
350 perf_read_values_destroy(&rep->show_threads_values);
351 }
352 }
353
354 return 0;
355}
356
357static void report__warn_kptr_restrict(const struct report *rep)
358{
359 struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION];
360 struct kmap *kernel_kmap = map__kmap(kernel_map);
361
362 if (kernel_map == NULL ||
363 (kernel_map->dso->hit &&
364 (kernel_kmap->ref_reloc_sym == NULL ||
365 kernel_kmap->ref_reloc_sym->addr == 0))) {
366 const char *desc =
367 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
368 "can't be resolved.";
369
370 if (kernel_map) {
371 const struct dso *kdso = kernel_map->dso;
372 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
373 desc = "If some relocation was applied (e.g. "
374 "kexec) symbols may be misresolved.";
375 }
376 }
377
378 ui__warning(
379"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
380"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
381"Samples in kernel modules can't be resolved as well.\n\n",
382 desc);
383 }
384}
385
386static int report__gtk_browse_hists(struct report *rep, const char *help)
387{
388 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
389 struct hist_browser_timer *timer, float min_pcnt);
390
391 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
392
393 if (hist_browser == NULL) {
394 ui__error("GTK browser not found!\n");
395 return -1;
396 }
397
398 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
399}
400
401static int report__browse_hists(struct report *rep)
402{
403 int ret;
404 struct perf_session *session = rep->session;
405 struct perf_evlist *evlist = session->evlist;
406 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
407
408 switch (use_browser) {
409 case 1:
410 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
411 rep->min_percent,
412 &session->header.env);
413
414
415
416
417 if (ret != K_SWITCH_INPUT_DATA)
418 ret = 0;
419 break;
420 case 2:
421 ret = report__gtk_browse_hists(rep, help);
422 break;
423 default:
424 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
425 break;
426 }
427
428 return ret;
429}
430
431static void report__collapse_hists(struct report *rep)
432{
433 struct ui_progress prog;
434 struct perf_evsel *pos;
435
436 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
437
438 evlist__for_each(rep->session->evlist, pos) {
439 struct hists *hists = evsel__hists(pos);
440
441 if (pos->idx == 0)
442 hists->symbol_filter_str = rep->symbol_filter_str;
443
444 hists__collapse_resort(hists, &prog);
445
446
447 if (symbol_conf.event_group &&
448 !perf_evsel__is_group_leader(pos)) {
449 struct hists *leader_hists = evsel__hists(pos->leader);
450
451 hists__match(leader_hists, hists);
452 hists__link(leader_hists, hists);
453 }
454 }
455
456 ui_progress__finish();
457}
458
459static int __cmd_report(struct report *rep)
460{
461 int ret;
462 struct perf_session *session = rep->session;
463 struct perf_evsel *pos;
464 struct perf_data_file *file = session->file;
465
466 signal(SIGINT, sig_handler);
467
468 if (rep->cpu_list) {
469 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
470 rep->cpu_bitmap);
471 if (ret)
472 return ret;
473 }
474
475 if (rep->show_threads)
476 perf_read_values_init(&rep->show_threads_values);
477
478 ret = report__setup_sample_type(rep);
479 if (ret)
480 return ret;
481
482 ret = perf_session__process_events(session, &rep->tool);
483 if (ret)
484 return ret;
485
486 report__warn_kptr_restrict(rep);
487
488 if (use_browser == 0) {
489 if (verbose > 3)
490 perf_session__fprintf(session, stdout);
491
492 if (verbose > 2)
493 perf_session__fprintf_dsos(session, stdout);
494
495 if (dump_trace) {
496 perf_session__fprintf_nr_events(session, stdout);
497 perf_evlist__fprintf_nr_events(session->evlist, stdout);
498 return 0;
499 }
500 }
501
502 report__collapse_hists(rep);
503
504 if (session_done())
505 return 0;
506
507 if (rep->nr_entries == 0) {
508 ui__error("The %s file has no samples!\n", file->path);
509 return 0;
510 }
511
512 evlist__for_each(session->evlist, pos)
513 hists__output_resort(evsel__hists(pos));
514
515 return report__browse_hists(rep);
516}
517
518static int
519report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
520{
521 struct report *rep = (struct report *)opt->value;
522
523
524
525
526 if (unset) {
527 rep->dont_use_callchains = true;
528 return 0;
529 }
530
531 return parse_callchain_report_opt(arg);
532}
533
534int
535report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
536 const char *arg, int unset __maybe_unused)
537{
538 if (arg) {
539 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
540 if (err) {
541 char buf[BUFSIZ];
542 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
543 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
544 return -1;
545 }
546 have_ignore_callees = 1;
547 }
548
549 return 0;
550}
551
552static int
553parse_branch_mode(const struct option *opt __maybe_unused,
554 const char *str __maybe_unused, int unset)
555{
556 int *branch_mode = opt->value;
557
558 *branch_mode = !unset;
559 return 0;
560}
561
562static int
563parse_percent_limit(const struct option *opt, const char *str,
564 int unset __maybe_unused)
565{
566 struct report *rep = opt->value;
567
568 rep->min_percent = strtof(str, NULL);
569 return 0;
570}
571
572int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
573{
574 struct perf_session *session;
575 struct stat st;
576 bool has_br_stack = false;
577 int branch_mode = -1;
578 char callchain_default_opt[] = "fractal,0.5,callee";
579 const char * const report_usage[] = {
580 "perf report [<options>]",
581 NULL
582 };
583 struct report report = {
584 .tool = {
585 .sample = process_sample_event,
586 .mmap = perf_event__process_mmap,
587 .mmap2 = perf_event__process_mmap2,
588 .comm = perf_event__process_comm,
589 .exit = perf_event__process_exit,
590 .fork = perf_event__process_fork,
591 .lost = perf_event__process_lost,
592 .read = process_read_event,
593 .attr = perf_event__process_attr,
594 .tracing_data = perf_event__process_tracing_data,
595 .build_id = perf_event__process_build_id,
596 .ordered_events = true,
597 .ordering_requires_timestamps = true,
598 },
599 .max_stack = PERF_MAX_STACK_DEPTH,
600 .pretty_printing_style = "normal",
601 };
602 const struct option options[] = {
603 OPT_STRING('i', "input", &input_name, "file",
604 "input file name"),
605 OPT_INCR('v', "verbose", &verbose,
606 "be more verbose (show symbol address, etc)"),
607 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
608 "dump raw trace in ASCII"),
609 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
610 "file", "vmlinux pathname"),
611 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
612 "file", "kallsyms pathname"),
613 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
614 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
615 "load module symbols - WARNING: use only with -k and LIVE kernel"),
616 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
617 "Show a column with the number of samples"),
618 OPT_BOOLEAN('T', "threads", &report.show_threads,
619 "Show per-thread event counters"),
620 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
621 "pretty printing style key: normal raw"),
622 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
623 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
624 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
625 "Use the stdio interface"),
626 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
627 OPT_BOOLEAN(0, "header-only", &report.header_only,
628 "Show only data header."),
629 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
630 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
631 " Please refer the man page for the complete list."),
632 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
633 "output field(s): overhead, period, sample plus all of sort keys"),
634 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
635 "Show sample percentage for different cpu modes"),
636 OPT_STRING('p', "parent", &parent_pattern, "regex",
637 "regex filter to identify parent, see: '--sort parent'"),
638 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
639 "Only display entries with parent-match"),
640 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
641 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). "
642 "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt),
643 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
644 "Accumulate callchains of children and show total overhead as well"),
645 OPT_INTEGER(0, "max-stack", &report.max_stack,
646 "Set the maximum stack depth when parsing the callchain, "
647 "anything beyond the specified depth will be ignored. "
648 "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
649 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
650 "alias for inverted call graph"),
651 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
652 "ignore callees of these functions in call graphs",
653 report_parse_ignore_callees_opt),
654 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
655 "only consider symbols in these dsos"),
656 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
657 "only consider symbols in these comms"),
658 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
659 "only consider these symbols"),
660 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
661 "only show symbols that (partially) match with this filter"),
662 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
663 "width[,width...]",
664 "don't try to adjust column width, use these fixed values"),
665 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
666 "separator for columns, no spaces will be added between "
667 "columns '.' is reserved."),
668 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
669 "Only display entries resolved to a symbol"),
670 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
671 "Look for files with symbols relative to this directory"),
672 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
673 "list of cpus to profile"),
674 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
675 "Display extended information about perf.data file"),
676 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
677 "Interleave source code with assembly code (default)"),
678 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
679 "Display raw encoding of assembly instructions (default)"),
680 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
681 "Specify disassembler style (e.g. -M intel for intel syntax)"),
682 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
683 "Show a column with the sum of periods"),
684 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
685 "Show event group information together"),
686 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
687 "use branch records for histogram filling", parse_branch_mode),
688 OPT_STRING(0, "objdump", &objdump_path, "path",
689 "objdump binary to use for disassembly and annotations"),
690 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
691 "Disable symbol demangling"),
692 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
693 "Enable kernel symbol demangling"),
694 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
695 OPT_CALLBACK(0, "percent-limit", &report, "percent",
696 "Don't show entries under that percent", parse_percent_limit),
697 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
698 "how to display percentage of filtered entries", parse_filter_percentage),
699 OPT_END()
700 };
701 struct perf_data_file file = {
702 .mode = PERF_DATA_MODE_READ,
703 };
704 int ret = hists__init();
705
706 if (ret < 0)
707 return ret;
708
709 perf_config(report__config, &report);
710
711 argc = parse_options(argc, argv, options, report_usage, 0);
712
713 if (report.use_stdio)
714 use_browser = 0;
715 else if (report.use_tui)
716 use_browser = 1;
717 else if (report.use_gtk)
718 use_browser = 2;
719
720 if (report.inverted_callchain)
721 callchain_param.order = ORDER_CALLER;
722
723 if (!input_name || !strlen(input_name)) {
724 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
725 input_name = "-";
726 else
727 input_name = "perf.data";
728 }
729
730 file.path = input_name;
731 file.force = report.force;
732
733repeat:
734 session = perf_session__new(&file, false, &report.tool);
735 if (session == NULL)
736 return -1;
737
738 if (report.queue_size) {
739 ordered_events__set_alloc_size(&session->ordered_events,
740 report.queue_size);
741 }
742
743 report.session = session;
744
745 has_br_stack = perf_header__has_feat(&session->header,
746 HEADER_BRANCH_STACK);
747
748 if ((branch_mode == -1 && has_br_stack) || branch_mode == 1) {
749 sort__mode = SORT_MODE__BRANCH;
750 symbol_conf.cumulate_callchain = false;
751 }
752
753 if (report.mem_mode) {
754 if (sort__mode == SORT_MODE__BRANCH) {
755 pr_err("branch and mem mode incompatible\n");
756 goto error;
757 }
758 sort__mode = SORT_MODE__MEMORY;
759 symbol_conf.cumulate_callchain = false;
760 }
761
762 if (setup_sorting() < 0) {
763 if (sort_order)
764 parse_options_usage(report_usage, options, "s", 1);
765 if (field_order)
766 parse_options_usage(sort_order ? NULL : report_usage,
767 options, "F", 1);
768 goto error;
769 }
770
771
772 if (report.header || report.header_only)
773 use_browser = 0;
774
775 if (strcmp(input_name, "-") != 0)
776 setup_browser(true);
777 else
778 use_browser = 0;
779
780 if (report.header || report.header_only) {
781 perf_session__fprintf_info(session, stdout,
782 report.show_full_info);
783 if (report.header_only)
784 return 0;
785 } else if (use_browser == 0) {
786 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
787 stdout);
788 }
789
790
791
792
793
794
795 if (ui__has_annotation()) {
796 symbol_conf.priv_size = sizeof(struct annotation);
797 machines__set_symbol_filter(&session->machines,
798 symbol__annotate_init);
799
800
801
802
803
804 if (verbose) {
805
806
807
808
809
810
811 symbol_conf.priv_size += sizeof(u32);
812 symbol_conf.sort_by_name = true;
813 }
814 }
815
816 if (symbol__init(&session->header.env) < 0)
817 goto error;
818
819 if (argc) {
820
821
822
823
824 if (argc > 1)
825 usage_with_options(report_usage, options);
826
827 report.symbol_filter_str = argv[0];
828 }
829
830 sort__setup_elide(stdout);
831
832 ret = __cmd_report(&report);
833 if (ret == K_SWITCH_INPUT_DATA) {
834 perf_session__delete(session);
835 goto repeat;
836 } else
837 ret = 0;
838
839error:
840 perf_session__delete(session);
841 return ret;
842}
843
