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1/*
2 * builtin-report.c
3 *
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.
7 */
8#include "builtin.h"
9
10#include "util/util.h"
11
12#include "util/annotate.h"
13#include "util/color.h"
14#include <linux/list.h>
15#include "util/cache.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
29#include "util/parse-options.h"
30#include "util/parse-events.h"
31
32#include "util/thread.h"
33#include "util/sort.h"
34#include "util/hist.h"
35
36#include <linux/bitmap.h>
37
38static char const *input_name = "perf.data";
39
40static bool force, use_tui, use_stdio;
41static bool hide_unresolved;
42static bool dont_use_callchains;
43
44static bool show_threads;
45static struct perf_read_values show_threads_values;
46
47static const char default_pretty_printing_style[] = "normal";
48static const char *pretty_printing_style = default_pretty_printing_style;
49
50static char callchain_default_opt[] = "fractal,0.5,callee";
51static bool inverted_callchain;
52static symbol_filter_t annotate_init;
53
54static const char *cpu_list;
55static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
56
57static int perf_session__add_hist_entry(struct perf_session *session,
58 struct addr_location *al,
59 struct perf_sample *sample,
60 struct perf_evsel *evsel)
61{
62 struct symbol *parent = NULL;
63 int err = 0;
64 struct hist_entry *he;
65
66 if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
67 err = perf_session__resolve_callchain(session, al->thread,
68 sample->callchain, &parent);
69 if (err)
70 return err;
71 }
72
73 he = __hists__add_entry(&evsel->hists, al, parent, sample->period);
74 if (he == NULL)
75 return -ENOMEM;
76
77 if (symbol_conf.use_callchain) {
78 err = callchain_append(he->callchain, &session->callchain_cursor,
79 sample->period);
80 if (err)
81 return err;
82 }
83 /*
84 * Only in the newt browser we are doing integrated annotation,
85 * so we don't allocated the extra space needed because the stdio
86 * code will not use it.
87 */
88 if (al->sym != NULL && use_browser > 0) {
89 struct annotation *notes = symbol__annotation(he->ms.sym);
90
91 assert(evsel != NULL);
92
93 err = -ENOMEM;
94 if (notes->src == NULL &&
95 symbol__alloc_hist(he->ms.sym, session->evlist->nr_entries) < 0)
96 goto out;
97
98 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
99 }
100
101 evsel->hists.stats.total_period += sample->period;
102 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
103out:
104 return err;
105}
106
107
108static int process_sample_event(union perf_event *event,
109 struct perf_sample *sample,
110 struct perf_evsel *evsel,
111 struct perf_session *session)
112{
113 struct addr_location al;
114
115 if (perf_event__preprocess_sample(event, session, &al, sample,
116 annotate_init) < 0) {
117 fprintf(stderr, "problem processing %d event, skipping it.\n",
118 event->header.type);
119 return -1;
120 }
121
122 if (al.filtered || (hide_unresolved && al.sym == NULL))
123 return 0;
124
125 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
126 return 0;
127
128 if (al.map != NULL)
129 al.map->dso->hit = 1;
130
131 if (perf_session__add_hist_entry(session, &al, sample, evsel)) {
132 pr_debug("problem incrementing symbol period, skipping event\n");
133 return -1;
134 }
135
136 return 0;
137}
138
139static int process_read_event(union perf_event *event,
140 struct perf_sample *sample __used,
141 struct perf_session *session)
142{
143 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist,
144 event->read.id);
145 if (show_threads) {
146 const char *name = evsel ? event_name(evsel) : "unknown";
147 perf_read_values_add_value(&show_threads_values,
148 event->read.pid, event->read.tid,
149 event->read.id,
150 name,
151 event->read.value);
152 }
153
154 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
155 evsel ? event_name(evsel) : "FAIL",
156 event->read.value);
157
158 return 0;
159}
160
161static int perf_session__setup_sample_type(struct perf_session *self)
162{
163 if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) {
164 if (sort__has_parent) {
165 ui__warning("Selected --sort parent, but no "
166 "callchain data. Did you call "
167 "'perf record' without -g?\n");
168 return -EINVAL;
169 }
170 if (symbol_conf.use_callchain) {
171 ui__warning("Selected -g but no callchain data. Did "
172 "you call 'perf record' without -g?\n");
173 return -1;
174 }
175 } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE &&
176 !symbol_conf.use_callchain) {
177 symbol_conf.use_callchain = true;
178 if (callchain_register_param(&callchain_param) < 0) {
179 ui__warning("Can't register callchain "
180 "params.\n");
181 return -EINVAL;
182 }
183 }
184
185 return 0;
186}
187
188static struct perf_event_ops event_ops = {
189 .sample = process_sample_event,
190 .mmap = perf_event__process_mmap,
191 .comm = perf_event__process_comm,
192 .exit = perf_event__process_task,
193 .fork = perf_event__process_task,
194 .lost = perf_event__process_lost,
195 .read = process_read_event,
196 .attr = perf_event__process_attr,
197 .event_type = perf_event__process_event_type,
198 .tracing_data = perf_event__process_tracing_data,
199 .build_id = perf_event__process_build_id,
200 .ordered_samples = true,
201 .ordering_requires_timestamps = true,
202};
203
204extern volatile int session_done;
205
206static void sig_handler(int sig __used)
207{
208 session_done = 1;
209}
210
211static size_t hists__fprintf_nr_sample_events(struct hists *self,
212 const char *evname, FILE *fp)
213{
214 size_t ret;
215 char unit;
216 unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
217
218 nr_events = convert_unit(nr_events, &unit);
219 ret = fprintf(fp, "# Events: %lu%c", nr_events, unit);
220 if (evname != NULL)
221 ret += fprintf(fp, " %s", evname);
222 return ret + fprintf(fp, "\n#\n");
223}
224
225static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
226 const char *help)
227{
228 struct perf_evsel *pos;
229
230 list_for_each_entry(pos, &evlist->entries, node) {
231 struct hists *hists = &pos->hists;
232 const char *evname = NULL;
233
234 if (rb_first(&hists->entries) != rb_last(&hists->entries))
235 evname = event_name(pos);
236
237 hists__fprintf_nr_sample_events(hists, evname, stdout);
238 hists__fprintf(hists, NULL, false, stdout);
239 fprintf(stdout, "\n\n");
240 }
241
242 if (sort_order == default_sort_order &&
243 parent_pattern == default_parent_pattern) {
244 fprintf(stdout, "#\n# (%s)\n#\n", help);
245
246 if (show_threads) {
247 bool style = !strcmp(pretty_printing_style, "raw");
248 perf_read_values_display(stdout, &show_threads_values,
249 style);
250 perf_read_values_destroy(&show_threads_values);
251 }
252 }
253
254 return 0;
255}
256
257static int __cmd_report(void)
258{
259 int ret = -EINVAL;
260 u64 nr_samples;
261 struct perf_session *session;
262 struct perf_evsel *pos;
263 struct map *kernel_map;
264 struct kmap *kernel_kmap;
265 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
266
267 signal(SIGINT, sig_handler);
268
269 session = perf_session__new(input_name, O_RDONLY, force, false, &event_ops);
270 if (session == NULL)
271 return -ENOMEM;
272
273 if (cpu_list) {
274 ret = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
275 if (ret)
276 goto out_delete;
277 }
278
279 if (show_threads)
280 perf_read_values_init(&show_threads_values);
281
282 ret = perf_session__setup_sample_type(session);
283 if (ret)
284 goto out_delete;
285
286 ret = perf_session__process_events(session, &event_ops);
287 if (ret)
288 goto out_delete;
289
290 kernel_map = session->host_machine.vmlinux_maps[MAP__FUNCTION];
291 kernel_kmap = map__kmap(kernel_map);
292 if (kernel_map == NULL ||
293 (kernel_map->dso->hit &&
294 (kernel_kmap->ref_reloc_sym == NULL ||
295 kernel_kmap->ref_reloc_sym->addr == 0))) {
296 const struct dso *kdso = kernel_map->dso;
297
298 ui__warning(
299"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
300"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
301"Samples in kernel modules can't be resolved as well.\n\n",
302 RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION]) ?
303"As no suitable kallsyms nor vmlinux was found, kernel samples\n"
304"can't be resolved." :
305"If some relocation was applied (e.g. kexec) symbols may be misresolved.");
306 }
307
308 if (dump_trace) {
309 perf_session__fprintf_nr_events(session, stdout);
310 goto out_delete;
311 }
312
313 if (verbose > 3)
314 perf_session__fprintf(session, stdout);
315
316 if (verbose > 2)
317 perf_session__fprintf_dsos(session, stdout);
318
319 nr_samples = 0;
320 list_for_each_entry(pos, &session->evlist->entries, node) {
321 struct hists *hists = &pos->hists;
322
323 hists__collapse_resort(hists);
324 hists__output_resort(hists);
325 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
326 }
327
328 if (nr_samples == 0) {
329 ui__warning("The %s file has no samples!\n", input_name);
330 goto out_delete;
331 }
332
333 if (use_browser > 0)
334 perf_evlist__tui_browse_hists(session->evlist, help);
335 else
336 perf_evlist__tty_browse_hists(session->evlist, help);
337
338out_delete:
339 /*
340 * Speed up the exit process, for large files this can
341 * take quite a while.
342 *
343 * XXX Enable this when using valgrind or if we ever
344 * librarize this command.
345 *
346 * Also experiment with obstacks to see how much speed
347 * up we'll get here.
348 *
349 * perf_session__delete(session);
350 */
351 return ret;
352}
353
354static int
355parse_callchain_opt(const struct option *opt __used, const char *arg,
356 int unset)
357{
358 char *tok, *tok2;
359 char *endptr;
360
361 /*
362 * --no-call-graph
363 */
364 if (unset) {
365 dont_use_callchains = true;
366 return 0;
367 }
368
369 symbol_conf.use_callchain = true;
370
371 if (!arg)
372 return 0;
373
374 tok = strtok((char *)arg, ",");
375 if (!tok)
376 return -1;
377
378 /* get the output mode */
379 if (!strncmp(tok, "graph", strlen(arg)))
380 callchain_param.mode = CHAIN_GRAPH_ABS;
381
382 else if (!strncmp(tok, "flat", strlen(arg)))
383 callchain_param.mode = CHAIN_FLAT;
384
385 else if (!strncmp(tok, "fractal", strlen(arg)))
386 callchain_param.mode = CHAIN_GRAPH_REL;
387
388 else if (!strncmp(tok, "none", strlen(arg))) {
389 callchain_param.mode = CHAIN_NONE;
390 symbol_conf.use_callchain = false;
391
392 return 0;
393 }
394
395 else
396 return -1;
397
398 /* get the min percentage */
399 tok = strtok(NULL, ",");
400 if (!tok)
401 goto setup;
402
403 callchain_param.min_percent = strtod(tok, &endptr);
404 if (tok == endptr)
405 return -1;
406
407 /* get the print limit */
408 tok2 = strtok(NULL, ",");
409 if (!tok2)
410 goto setup;
411
412 if (tok2[0] != 'c') {
413 callchain_param.print_limit = strtod(tok2, &endptr);
414 tok2 = strtok(NULL, ",");
415 if (!tok2)
416 goto setup;
417 }
418
419 /* get the call chain order */
420 if (!strcmp(tok2, "caller"))
421 callchain_param.order = ORDER_CALLER;
422 else if (!strcmp(tok2, "callee"))
423 callchain_param.order = ORDER_CALLEE;
424 else
425 return -1;
426setup:
427 if (callchain_register_param(&callchain_param) < 0) {
428 fprintf(stderr, "Can't register callchain params\n");
429 return -1;
430 }
431 return 0;
432}
433
434static const char * const report_usage[] = {
435 "perf report [<options>] <command>",
436 NULL
437};
438
439static const struct option options[] = {
440 OPT_STRING('i', "input", &input_name, "file",
441 "input file name"),
442 OPT_INCR('v', "verbose", &verbose,
443 "be more verbose (show symbol address, etc)"),
444 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
445 "dump raw trace in ASCII"),
446 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
447 "file", "vmlinux pathname"),
448 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
449 "file", "kallsyms pathname"),
450 OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
451 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
452 "load module symbols - WARNING: use only with -k and LIVE kernel"),
453 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
454 "Show a column with the number of samples"),
455 OPT_BOOLEAN('T', "threads", &show_threads,
456 "Show per-thread event counters"),
457 OPT_STRING(0, "pretty", &pretty_printing_style, "key",
458 "pretty printing style key: normal raw"),
459 OPT_BOOLEAN(0, "tui", &use_tui, "Use the TUI interface"),
460 OPT_BOOLEAN(0, "stdio", &use_stdio, "Use the stdio interface"),
461 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
462 "sort by key(s): pid, comm, dso, symbol, parent"),
463 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
464 "Show sample percentage for different cpu modes"),
465 OPT_STRING('p', "parent", &parent_pattern, "regex",
466 "regex filter to identify parent, see: '--sort parent'"),
467 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
468 "Only display entries with parent-match"),
469 OPT_CALLBACK_DEFAULT('g', "call-graph", NULL, "output_type,min_percent, call_order",
470 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold and callchain order. "
471 "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
472 OPT_BOOLEAN('G', "inverted", &inverted_callchain, "alias for inverted call graph"),
473 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
474 "only consider symbols in these dsos"),
475 OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
476 "only consider symbols in these comms"),
477 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
478 "only consider these symbols"),
479 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
480 "width[,width...]",
481 "don't try to adjust column width, use these fixed values"),
482 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
483 "separator for columns, no spaces will be added between "
484 "columns '.' is reserved."),
485 OPT_BOOLEAN('U', "hide-unresolved", &hide_unresolved,
486 "Only display entries resolved to a symbol"),
487 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
488 "Look for files with symbols relative to this directory"),
489 OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
490 OPT_END()
491};
492
493int cmd_report(int argc, const char **argv, const char *prefix __used)
494{
495 argc = parse_options(argc, argv, options, report_usage, 0);
496
497 if (use_stdio)
498 use_browser = 0;
499 else if (use_tui)
500 use_browser = 1;
501
502 if (inverted_callchain)
503 callchain_param.order = ORDER_CALLER;
504
505 if (strcmp(input_name, "-") != 0)
506 setup_browser(true);
507 else
508 use_browser = 0;
509 /*
510 * Only in the newt browser we are doing integrated annotation,
511 * so don't allocate extra space that won't be used in the stdio
512 * implementation.
513 */
514 if (use_browser > 0) {
515 symbol_conf.priv_size = sizeof(struct annotation);
516 annotate_init = symbol__annotate_init;
517 /*
518 * For searching by name on the "Browse map details".
519 * providing it only in verbose mode not to bloat too
520 * much struct symbol.
521 */
522 if (verbose) {
523 /*
524 * XXX: Need to provide a less kludgy way to ask for
525 * more space per symbol, the u32 is for the index on
526 * the ui browser.
527 * See symbol__browser_index.
528 */
529 symbol_conf.priv_size += sizeof(u32);
530 symbol_conf.sort_by_name = true;
531 }
532 }
533
534 if (symbol__init() < 0)
535 return -1;
536
537 setup_sorting(report_usage, options);
538
539 if (parent_pattern != default_parent_pattern) {
540 if (sort_dimension__add("parent") < 0)
541 return -1;
542
543 /*
544 * Only show the parent fields if we explicitly
545 * sort that way. If we only use parent machinery
546 * for filtering, we don't want it.
547 */
548 if (!strstr(sort_order, "parent"))
549 sort_parent.elide = 1;
550 } else
551 symbol_conf.exclude_other = false;
552
553 /*
554 * Any (unrecognized) arguments left?
555 */
556 if (argc)
557 usage_with_options(report_usage, options);
558
559 sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
560 sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
561 sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
562
563 return __cmd_report();
564}
1/*
2 * builtin-report.c
3 *
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.
7 */
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 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
61};
62
63static int report__config(const char *var, const char *value, void *cb)
64{
65 if (!strcmp(var, "report.group")) {
66 symbol_conf.event_group = perf_config_bool(var, value);
67 return 0;
68 }
69 if (!strcmp(var, "report.percent-limit")) {
70 struct report *rep = cb;
71 rep->min_percent = strtof(value, NULL);
72 return 0;
73 }
74
75 return perf_default_config(var, value, cb);
76}
77
78static int report__add_mem_hist_entry(struct report *rep, struct addr_location *al,
79 struct perf_sample *sample, struct perf_evsel *evsel)
80{
81 struct symbol *parent = NULL;
82 struct hist_entry *he;
83 struct mem_info *mi, *mx;
84 uint64_t cost;
85 int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
86
87 if (err)
88 return err;
89
90 mi = sample__resolve_mem(sample, al);
91 if (!mi)
92 return -ENOMEM;
93
94 if (rep->hide_unresolved && !al->sym)
95 return 0;
96
97 cost = sample->weight;
98 if (!cost)
99 cost = 1;
100
101 /*
102 * must pass period=weight in order to get the correct
103 * sorting from hists__collapse_resort() which is solely
104 * based on periods. We want sorting be done on nr_events * weight
105 * and this is indirectly achieved by passing period=weight here
106 * and the he_stat__add_period() function.
107 */
108 he = __hists__add_entry(&evsel->hists, al, parent, NULL, mi,
109 cost, cost, 0);
110 if (!he)
111 return -ENOMEM;
112
113 if (ui__has_annotation()) {
114 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
115 if (err)
116 goto out;
117
118 mx = he->mem_info;
119 err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx);
120 if (err)
121 goto out;
122 }
123
124 evsel->hists.stats.total_period += cost;
125 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
126 err = hist_entry__append_callchain(he, sample);
127out:
128 return err;
129}
130
131static int report__add_branch_hist_entry(struct report *rep, struct addr_location *al,
132 struct perf_sample *sample, struct perf_evsel *evsel)
133{
134 struct symbol *parent = NULL;
135 unsigned i;
136 struct hist_entry *he;
137 struct branch_info *bi, *bx;
138 int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
139
140 if (err)
141 return err;
142
143 bi = sample__resolve_bstack(sample, al);
144 if (!bi)
145 return -ENOMEM;
146
147 for (i = 0; i < sample->branch_stack->nr; i++) {
148 if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
149 continue;
150
151 err = -ENOMEM;
152
153 /* overwrite the 'al' to branch-to info */
154 al->map = bi[i].to.map;
155 al->sym = bi[i].to.sym;
156 al->addr = bi[i].to.addr;
157 /*
158 * The report shows the percentage of total branches captured
159 * and not events sampled. Thus we use a pseudo period of 1.
160 */
161 he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL,
162 1, 1, 0);
163 if (he) {
164 if (ui__has_annotation()) {
165 bx = he->branch_info;
166 err = addr_map_symbol__inc_samples(&bx->from,
167 evsel->idx);
168 if (err)
169 goto out;
170
171 err = addr_map_symbol__inc_samples(&bx->to,
172 evsel->idx);
173 if (err)
174 goto out;
175 }
176
177 evsel->hists.stats.total_period += 1;
178 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
179 } else
180 goto out;
181 }
182 err = 0;
183out:
184 free(bi);
185 return err;
186}
187
188static int report__add_hist_entry(struct report *rep, struct perf_evsel *evsel,
189 struct addr_location *al, struct perf_sample *sample)
190{
191 struct symbol *parent = NULL;
192 struct hist_entry *he;
193 int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
194
195 if (err)
196 return err;
197
198 he = __hists__add_entry(&evsel->hists, al, parent, NULL, NULL,
199 sample->period, sample->weight,
200 sample->transaction);
201 if (he == NULL)
202 return -ENOMEM;
203
204 err = hist_entry__append_callchain(he, sample);
205 if (err)
206 goto out;
207
208 if (ui__has_annotation())
209 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
210
211 evsel->hists.stats.total_period += sample->period;
212 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
213out:
214 return err;
215}
216
217
218static int process_sample_event(struct perf_tool *tool,
219 union perf_event *event,
220 struct perf_sample *sample,
221 struct perf_evsel *evsel,
222 struct machine *machine)
223{
224 struct report *rep = container_of(tool, struct report, tool);
225 struct addr_location al;
226 int ret;
227
228 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
229 pr_debug("problem processing %d event, skipping it.\n",
230 event->header.type);
231 return -1;
232 }
233
234 if (rep->hide_unresolved && al.sym == NULL)
235 return 0;
236
237 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
238 return 0;
239
240 if (sort__mode == SORT_MODE__BRANCH) {
241 ret = report__add_branch_hist_entry(rep, &al, sample, evsel);
242 if (ret < 0)
243 pr_debug("problem adding lbr entry, skipping event\n");
244 } else if (rep->mem_mode == 1) {
245 ret = report__add_mem_hist_entry(rep, &al, sample, evsel);
246 if (ret < 0)
247 pr_debug("problem adding mem entry, skipping event\n");
248 } else {
249 if (al.map != NULL)
250 al.map->dso->hit = 1;
251
252 ret = report__add_hist_entry(rep, evsel, &al, sample);
253 if (ret < 0)
254 pr_debug("problem incrementing symbol period, skipping event\n");
255 }
256 return ret;
257}
258
259static int process_read_event(struct perf_tool *tool,
260 union perf_event *event,
261 struct perf_sample *sample __maybe_unused,
262 struct perf_evsel *evsel,
263 struct machine *machine __maybe_unused)
264{
265 struct report *rep = container_of(tool, struct report, tool);
266
267 if (rep->show_threads) {
268 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
269 perf_read_values_add_value(&rep->show_threads_values,
270 event->read.pid, event->read.tid,
271 event->read.id,
272 name,
273 event->read.value);
274 }
275
276 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
277 evsel ? perf_evsel__name(evsel) : "FAIL",
278 event->read.value);
279
280 return 0;
281}
282
283/* For pipe mode, sample_type is not currently set */
284static int report__setup_sample_type(struct report *rep)
285{
286 struct perf_session *session = rep->session;
287 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
288 bool is_pipe = perf_data_file__is_pipe(session->file);
289
290 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
291 if (sort__has_parent) {
292 ui__error("Selected --sort parent, but no "
293 "callchain data. Did you call "
294 "'perf record' without -g?\n");
295 return -EINVAL;
296 }
297 if (symbol_conf.use_callchain) {
298 ui__error("Selected -g but no callchain data. Did "
299 "you call 'perf record' without -g?\n");
300 return -1;
301 }
302 } else if (!rep->dont_use_callchains &&
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");
308 return -EINVAL;
309 }
310 }
311
312 if (sort__mode == SORT_MODE__BRANCH) {
313 if (!is_pipe &&
314 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
315 ui__error("Selected -b but no branch data. "
316 "Did you call perf record without -b?\n");
317 return -1;
318 }
319 }
320
321 return 0;
322}
323
324static void sig_handler(int sig __maybe_unused)
325{
326 session_done = 1;
327}
328
329static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
330 const char *evname, FILE *fp)
331{
332 size_t ret;
333 char unit;
334 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
335 u64 nr_events = hists->stats.total_period;
336 struct perf_evsel *evsel = hists_to_evsel(hists);
337 char buf[512];
338 size_t size = sizeof(buf);
339
340 if (perf_evsel__is_group_event(evsel)) {
341 struct perf_evsel *pos;
342
343 perf_evsel__group_desc(evsel, buf, size);
344 evname = buf;
345
346 for_each_group_member(pos, evsel) {
347 nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
348 nr_events += pos->hists.stats.total_period;
349 }
350 }
351
352 nr_samples = convert_unit(nr_samples, &unit);
353 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
354 if (evname != NULL)
355 ret += fprintf(fp, " of event '%s'", evname);
356
357 if (rep->mem_mode) {
358 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
359 ret += fprintf(fp, "\n# Sort order : %s", sort_order);
360 } else
361 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
362 return ret + fprintf(fp, "\n#\n");
363}
364
365static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
366 struct report *rep,
367 const char *help)
368{
369 struct perf_evsel *pos;
370
371 evlist__for_each(evlist, pos) {
372 struct hists *hists = &pos->hists;
373 const char *evname = perf_evsel__name(pos);
374
375 if (symbol_conf.event_group &&
376 !perf_evsel__is_group_leader(pos))
377 continue;
378
379 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
380 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
381 fprintf(stdout, "\n\n");
382 }
383
384 if (sort_order == default_sort_order &&
385 parent_pattern == default_parent_pattern) {
386 fprintf(stdout, "#\n# (%s)\n#\n", help);
387
388 if (rep->show_threads) {
389 bool style = !strcmp(rep->pretty_printing_style, "raw");
390 perf_read_values_display(stdout, &rep->show_threads_values,
391 style);
392 perf_read_values_destroy(&rep->show_threads_values);
393 }
394 }
395
396 return 0;
397}
398
399static void report__warn_kptr_restrict(const struct report *rep)
400{
401 struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION];
402 struct kmap *kernel_kmap = map__kmap(kernel_map);
403
404 if (kernel_map == NULL ||
405 (kernel_map->dso->hit &&
406 (kernel_kmap->ref_reloc_sym == NULL ||
407 kernel_kmap->ref_reloc_sym->addr == 0))) {
408 const char *desc =
409 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
410 "can't be resolved.";
411
412 if (kernel_map) {
413 const struct dso *kdso = kernel_map->dso;
414 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
415 desc = "If some relocation was applied (e.g. "
416 "kexec) symbols may be misresolved.";
417 }
418 }
419
420 ui__warning(
421"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
422"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
423"Samples in kernel modules can't be resolved as well.\n\n",
424 desc);
425 }
426}
427
428static int report__gtk_browse_hists(struct report *rep, const char *help)
429{
430 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
431 struct hist_browser_timer *timer, float min_pcnt);
432
433 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
434
435 if (hist_browser == NULL) {
436 ui__error("GTK browser not found!\n");
437 return -1;
438 }
439
440 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
441}
442
443static int report__browse_hists(struct report *rep)
444{
445 int ret;
446 struct perf_session *session = rep->session;
447 struct perf_evlist *evlist = session->evlist;
448 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
449
450 switch (use_browser) {
451 case 1:
452 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
453 rep->min_percent,
454 &session->header.env);
455 /*
456 * Usually "ret" is the last pressed key, and we only
457 * care if the key notifies us to switch data file.
458 */
459 if (ret != K_SWITCH_INPUT_DATA)
460 ret = 0;
461 break;
462 case 2:
463 ret = report__gtk_browse_hists(rep, help);
464 break;
465 default:
466 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
467 break;
468 }
469
470 return ret;
471}
472
473static u64 report__collapse_hists(struct report *rep)
474{
475 struct ui_progress prog;
476 struct perf_evsel *pos;
477 u64 nr_samples = 0;
478 /*
479 * Count number of histogram entries to use when showing progress,
480 * reusing nr_samples variable.
481 */
482 evlist__for_each(rep->session->evlist, pos)
483 nr_samples += pos->hists.nr_entries;
484
485 ui_progress__init(&prog, nr_samples, "Merging related events...");
486 /*
487 * Count total number of samples, will be used to check if this
488 * session had any.
489 */
490 nr_samples = 0;
491
492 evlist__for_each(rep->session->evlist, pos) {
493 struct hists *hists = &pos->hists;
494
495 if (pos->idx == 0)
496 hists->symbol_filter_str = rep->symbol_filter_str;
497
498 hists__collapse_resort(hists, &prog);
499 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
500
501 /* Non-group events are considered as leader */
502 if (symbol_conf.event_group &&
503 !perf_evsel__is_group_leader(pos)) {
504 struct hists *leader_hists = &pos->leader->hists;
505
506 hists__match(leader_hists, hists);
507 hists__link(leader_hists, hists);
508 }
509 }
510
511 ui_progress__finish();
512
513 return nr_samples;
514}
515
516static int __cmd_report(struct report *rep)
517{
518 int ret;
519 u64 nr_samples;
520 struct perf_session *session = rep->session;
521 struct perf_evsel *pos;
522 struct perf_data_file *file = session->file;
523
524 signal(SIGINT, sig_handler);
525
526 if (rep->cpu_list) {
527 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
528 rep->cpu_bitmap);
529 if (ret)
530 return ret;
531 }
532
533 if (rep->show_threads)
534 perf_read_values_init(&rep->show_threads_values);
535
536 ret = report__setup_sample_type(rep);
537 if (ret)
538 return ret;
539
540 ret = perf_session__process_events(session, &rep->tool);
541 if (ret)
542 return ret;
543
544 report__warn_kptr_restrict(rep);
545
546 if (use_browser == 0) {
547 if (verbose > 3)
548 perf_session__fprintf(session, stdout);
549
550 if (verbose > 2)
551 perf_session__fprintf_dsos(session, stdout);
552
553 if (dump_trace) {
554 perf_session__fprintf_nr_events(session, stdout);
555 return 0;
556 }
557 }
558
559 nr_samples = report__collapse_hists(rep);
560
561 if (session_done())
562 return 0;
563
564 if (nr_samples == 0) {
565 ui__error("The %s file has no samples!\n", file->path);
566 return 0;
567 }
568
569 evlist__for_each(session->evlist, pos)
570 hists__output_resort(&pos->hists);
571
572 return report__browse_hists(rep);
573}
574
575static int
576parse_callchain_opt(const struct option *opt, const char *arg, int unset)
577{
578 struct report *rep = (struct report *)opt->value;
579 char *tok, *tok2;
580 char *endptr;
581
582 /*
583 * --no-call-graph
584 */
585 if (unset) {
586 rep->dont_use_callchains = true;
587 return 0;
588 }
589
590 symbol_conf.use_callchain = true;
591
592 if (!arg)
593 return 0;
594
595 tok = strtok((char *)arg, ",");
596 if (!tok)
597 return -1;
598
599 /* get the output mode */
600 if (!strncmp(tok, "graph", strlen(arg)))
601 callchain_param.mode = CHAIN_GRAPH_ABS;
602
603 else if (!strncmp(tok, "flat", strlen(arg)))
604 callchain_param.mode = CHAIN_FLAT;
605
606 else if (!strncmp(tok, "fractal", strlen(arg)))
607 callchain_param.mode = CHAIN_GRAPH_REL;
608
609 else if (!strncmp(tok, "none", strlen(arg))) {
610 callchain_param.mode = CHAIN_NONE;
611 symbol_conf.use_callchain = false;
612
613 return 0;
614 }
615
616 else
617 return -1;
618
619 /* get the min percentage */
620 tok = strtok(NULL, ",");
621 if (!tok)
622 goto setup;
623
624 callchain_param.min_percent = strtod(tok, &endptr);
625 if (tok == endptr)
626 return -1;
627
628 /* get the print limit */
629 tok2 = strtok(NULL, ",");
630 if (!tok2)
631 goto setup;
632
633 if (tok2[0] != 'c') {
634 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
635 tok2 = strtok(NULL, ",");
636 if (!tok2)
637 goto setup;
638 }
639
640 /* get the call chain order */
641 if (!strncmp(tok2, "caller", strlen("caller")))
642 callchain_param.order = ORDER_CALLER;
643 else if (!strncmp(tok2, "callee", strlen("callee")))
644 callchain_param.order = ORDER_CALLEE;
645 else
646 return -1;
647
648 /* Get the sort key */
649 tok2 = strtok(NULL, ",");
650 if (!tok2)
651 goto setup;
652 if (!strncmp(tok2, "function", strlen("function")))
653 callchain_param.key = CCKEY_FUNCTION;
654 else if (!strncmp(tok2, "address", strlen("address")))
655 callchain_param.key = CCKEY_ADDRESS;
656 else
657 return -1;
658setup:
659 if (callchain_register_param(&callchain_param) < 0) {
660 pr_err("Can't register callchain params\n");
661 return -1;
662 }
663 return 0;
664}
665
666int
667report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
668 const char *arg, int unset __maybe_unused)
669{
670 if (arg) {
671 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
672 if (err) {
673 char buf[BUFSIZ];
674 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
675 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
676 return -1;
677 }
678 have_ignore_callees = 1;
679 }
680
681 return 0;
682}
683
684static int
685parse_branch_mode(const struct option *opt __maybe_unused,
686 const char *str __maybe_unused, int unset)
687{
688 int *branch_mode = opt->value;
689
690 *branch_mode = !unset;
691 return 0;
692}
693
694static int
695parse_percent_limit(const struct option *opt, const char *str,
696 int unset __maybe_unused)
697{
698 struct report *rep = opt->value;
699
700 rep->min_percent = strtof(str, NULL);
701 return 0;
702}
703
704int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
705{
706 struct perf_session *session;
707 struct stat st;
708 bool has_br_stack = false;
709 int branch_mode = -1;
710 int ret = -1;
711 char callchain_default_opt[] = "fractal,0.5,callee";
712 const char * const report_usage[] = {
713 "perf report [<options>]",
714 NULL
715 };
716 struct report report = {
717 .tool = {
718 .sample = process_sample_event,
719 .mmap = perf_event__process_mmap,
720 .mmap2 = perf_event__process_mmap2,
721 .comm = perf_event__process_comm,
722 .exit = perf_event__process_exit,
723 .fork = perf_event__process_fork,
724 .lost = perf_event__process_lost,
725 .read = process_read_event,
726 .attr = perf_event__process_attr,
727 .tracing_data = perf_event__process_tracing_data,
728 .build_id = perf_event__process_build_id,
729 .ordered_samples = true,
730 .ordering_requires_timestamps = true,
731 },
732 .max_stack = PERF_MAX_STACK_DEPTH,
733 .pretty_printing_style = "normal",
734 };
735 const struct option options[] = {
736 OPT_STRING('i', "input", &input_name, "file",
737 "input file name"),
738 OPT_INCR('v', "verbose", &verbose,
739 "be more verbose (show symbol address, etc)"),
740 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
741 "dump raw trace in ASCII"),
742 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
743 "file", "vmlinux pathname"),
744 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
745 "file", "kallsyms pathname"),
746 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
747 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
748 "load module symbols - WARNING: use only with -k and LIVE kernel"),
749 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
750 "Show a column with the number of samples"),
751 OPT_BOOLEAN('T', "threads", &report.show_threads,
752 "Show per-thread event counters"),
753 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
754 "pretty printing style key: normal raw"),
755 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
756 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
757 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
758 "Use the stdio interface"),
759 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
760 OPT_BOOLEAN(0, "header-only", &report.header_only,
761 "Show only data header."),
762 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
763 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline,"
764 " dso_to, dso_from, symbol_to, symbol_from, mispredict,"
765 " weight, local_weight, mem, symbol_daddr, dso_daddr, tlb, "
766 "snoop, locked, abort, in_tx, transaction"),
767 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
768 "Show sample percentage for different cpu modes"),
769 OPT_STRING('p', "parent", &parent_pattern, "regex",
770 "regex filter to identify parent, see: '--sort parent'"),
771 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
772 "Only display entries with parent-match"),
773 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
774 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). "
775 "Default: fractal,0.5,callee,function", &parse_callchain_opt, callchain_default_opt),
776 OPT_INTEGER(0, "max-stack", &report.max_stack,
777 "Set the maximum stack depth when parsing the callchain, "
778 "anything beyond the specified depth will be ignored. "
779 "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
780 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
781 "alias for inverted call graph"),
782 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
783 "ignore callees of these functions in call graphs",
784 report_parse_ignore_callees_opt),
785 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
786 "only consider symbols in these dsos"),
787 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
788 "only consider symbols in these comms"),
789 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
790 "only consider these symbols"),
791 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
792 "only show symbols that (partially) match with this filter"),
793 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
794 "width[,width...]",
795 "don't try to adjust column width, use these fixed values"),
796 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
797 "separator for columns, no spaces will be added between "
798 "columns '.' is reserved."),
799 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
800 "Only display entries resolved to a symbol"),
801 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
802 "Look for files with symbols relative to this directory"),
803 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
804 "list of cpus to profile"),
805 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
806 "Display extended information about perf.data file"),
807 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
808 "Interleave source code with assembly code (default)"),
809 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
810 "Display raw encoding of assembly instructions (default)"),
811 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
812 "Specify disassembler style (e.g. -M intel for intel syntax)"),
813 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
814 "Show a column with the sum of periods"),
815 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
816 "Show event group information together"),
817 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
818 "use branch records for histogram filling", parse_branch_mode),
819 OPT_STRING(0, "objdump", &objdump_path, "path",
820 "objdump binary to use for disassembly and annotations"),
821 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
822 "Disable symbol demangling"),
823 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
824 OPT_CALLBACK(0, "percent-limit", &report, "percent",
825 "Don't show entries under that percent", parse_percent_limit),
826 OPT_END()
827 };
828 struct perf_data_file file = {
829 .mode = PERF_DATA_MODE_READ,
830 };
831
832 perf_config(report__config, &report);
833
834 argc = parse_options(argc, argv, options, report_usage, 0);
835
836 if (report.use_stdio)
837 use_browser = 0;
838 else if (report.use_tui)
839 use_browser = 1;
840 else if (report.use_gtk)
841 use_browser = 2;
842
843 if (report.inverted_callchain)
844 callchain_param.order = ORDER_CALLER;
845
846 if (!input_name || !strlen(input_name)) {
847 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
848 input_name = "-";
849 else
850 input_name = "perf.data";
851 }
852
853 file.path = input_name;
854 file.force = report.force;
855
856repeat:
857 session = perf_session__new(&file, false, &report.tool);
858 if (session == NULL)
859 return -ENOMEM;
860
861 report.session = session;
862
863 has_br_stack = perf_header__has_feat(&session->header,
864 HEADER_BRANCH_STACK);
865
866 if (branch_mode == -1 && has_br_stack)
867 sort__mode = SORT_MODE__BRANCH;
868
869 /* sort__mode could be NORMAL if --no-branch-stack */
870 if (sort__mode == SORT_MODE__BRANCH) {
871 /*
872 * if no sort_order is provided, then specify
873 * branch-mode specific order
874 */
875 if (sort_order == default_sort_order)
876 sort_order = "comm,dso_from,symbol_from,"
877 "dso_to,symbol_to";
878
879 }
880 if (report.mem_mode) {
881 if (sort__mode == SORT_MODE__BRANCH) {
882 pr_err("branch and mem mode incompatible\n");
883 goto error;
884 }
885 sort__mode = SORT_MODE__MEMORY;
886
887 /*
888 * if no sort_order is provided, then specify
889 * branch-mode specific order
890 */
891 if (sort_order == default_sort_order)
892 sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
893 }
894
895 if (setup_sorting() < 0) {
896 parse_options_usage(report_usage, options, "s", 1);
897 goto error;
898 }
899
900 if (parent_pattern != default_parent_pattern) {
901 if (sort_dimension__add("parent") < 0)
902 goto error;
903 }
904
905 /* Force tty output for header output. */
906 if (report.header || report.header_only)
907 use_browser = 0;
908
909 if (strcmp(input_name, "-") != 0)
910 setup_browser(true);
911 else {
912 use_browser = 0;
913 perf_hpp__init();
914 }
915
916 if (report.header || report.header_only) {
917 perf_session__fprintf_info(session, stdout,
918 report.show_full_info);
919 if (report.header_only)
920 return 0;
921 } else if (use_browser == 0) {
922 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
923 stdout);
924 }
925
926 /*
927 * Only in the TUI browser we are doing integrated annotation,
928 * so don't allocate extra space that won't be used in the stdio
929 * implementation.
930 */
931 if (ui__has_annotation()) {
932 symbol_conf.priv_size = sizeof(struct annotation);
933 machines__set_symbol_filter(&session->machines,
934 symbol__annotate_init);
935 /*
936 * For searching by name on the "Browse map details".
937 * providing it only in verbose mode not to bloat too
938 * much struct symbol.
939 */
940 if (verbose) {
941 /*
942 * XXX: Need to provide a less kludgy way to ask for
943 * more space per symbol, the u32 is for the index on
944 * the ui browser.
945 * See symbol__browser_index.
946 */
947 symbol_conf.priv_size += sizeof(u32);
948 symbol_conf.sort_by_name = true;
949 }
950 }
951
952 if (symbol__init() < 0)
953 goto error;
954
955 if (argc) {
956 /*
957 * Special case: if there's an argument left then assume that
958 * it's a symbol filter:
959 */
960 if (argc > 1)
961 usage_with_options(report_usage, options);
962
963 report.symbol_filter_str = argv[0];
964 }
965
966 sort__setup_elide(stdout);
967
968 ret = __cmd_report(&report);
969 if (ret == K_SWITCH_INPUT_DATA) {
970 perf_session__delete(session);
971 goto repeat;
972 } else
973 ret = 0;
974
975error:
976 perf_session__delete(session);
977 return ret;
978}