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Commit | Line | Data |
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bf9e1876 IM |
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 | */ | |
16f762a2 | 8 | #include "builtin.h" |
53cb8bc2 | 9 | |
bf9e1876 | 10 | #include "util/util.h" |
00c7e1f1 | 11 | #include "util/cache.h" |
bf9e1876 | 12 | |
78f7defe | 13 | #include "util/annotate.h" |
8fc0321f | 14 | #include "util/color.h" |
5da50258 | 15 | #include <linux/list.h> |
43cbcd8a | 16 | #include <linux/rbtree.h> |
a2928c42 | 17 | #include "util/symbol.h" |
f55c5552 | 18 | #include "util/callchain.h" |
25903407 | 19 | #include "util/strlist.h" |
8d513270 | 20 | #include "util/values.h" |
8fa66bdc | 21 | |
53cb8bc2 | 22 | #include "perf.h" |
8f28827a | 23 | #include "util/debug.h" |
e248de33 ACM |
24 | #include "util/evlist.h" |
25 | #include "util/evsel.h" | |
7c6a1c65 | 26 | #include "util/header.h" |
94c744b6 | 27 | #include "util/session.h" |
45694aa7 | 28 | #include "util/tool.h" |
53cb8bc2 IM |
29 | |
30 | #include "util/parse-options.h" | |
31 | #include "util/parse-events.h" | |
32 | ||
6baa0a5a | 33 | #include "util/thread.h" |
dd68ada2 | 34 | #include "util/sort.h" |
3d1d07ec | 35 | #include "util/hist.h" |
f5fc1412 | 36 | #include "util/data.h" |
68e94f4e | 37 | #include "arch/common.h" |
6baa0a5a | 38 | |
fc67297b | 39 | #include <dlfcn.h> |
5d67be97 AB |
40 | #include <linux/bitmap.h> |
41 | ||
28b21393 | 42 | struct report { |
45694aa7 | 43 | struct perf_tool tool; |
d20deb64 | 44 | struct perf_session *session; |
c31a9457 | 45 | bool force, use_tui, use_gtk, use_stdio; |
fa372aae ACM |
46 | bool hide_unresolved; |
47 | bool dont_use_callchains; | |
48 | bool show_full_info; | |
49 | bool show_threads; | |
50 | bool inverted_callchain; | |
f4f7e28d | 51 | bool mem_mode; |
5cfe2c82 JO |
52 | bool header; |
53 | bool header_only; | |
91e95617 | 54 | int max_stack; |
fa372aae ACM |
55 | struct perf_read_values show_threads_values; |
56 | const char *pretty_printing_style; | |
fa372aae | 57 | const char *cpu_list; |
b14ffaca | 58 | const char *symbol_filter_str; |
064f1981 | 59 | float min_percent; |
58c311da | 60 | u64 nr_entries; |
fa372aae | 61 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
d20deb64 | 62 | }; |
5d67be97 | 63 | |
28b21393 | 64 | static int report__config(const char *var, const char *value, void *cb) |
00c7e1f1 NK |
65 | { |
66 | if (!strcmp(var, "report.group")) { | |
67 | symbol_conf.event_group = perf_config_bool(var, value); | |
68 | return 0; | |
69 | } | |
eec574e6 | 70 | if (!strcmp(var, "report.percent-limit")) { |
28b21393 | 71 | struct report *rep = cb; |
eec574e6 NK |
72 | rep->min_percent = strtof(value, NULL); |
73 | return 0; | |
74 | } | |
00c7e1f1 NK |
75 | |
76 | return perf_default_config(var, value, cb); | |
77 | } | |
78 | ||
58c311da NK |
79 | static void report__inc_stats(struct report *rep, struct hist_entry *he) |
80 | { | |
81 | /* | |
82 | * The @he is either of a newly created one or an existing one | |
83 | * merging current sample. We only want to count a new one so | |
84 | * checking ->nr_events being 1. | |
85 | */ | |
86 | if (he->stat.nr_events == 1) | |
87 | rep->nr_entries++; | |
820bc81f NK |
88 | |
89 | /* | |
90 | * Only counts number of samples at this stage as it's more | |
91 | * natural to do it here and non-sample events are also | |
92 | * counted in perf_session_deliver_event(). The dump_trace | |
93 | * requires this info is ready before going to the output tree. | |
94 | */ | |
95 | hists__inc_nr_events(he->hists, PERF_RECORD_SAMPLE); | |
96 | if (!he->filtered) | |
97 | he->hists->stats.nr_non_filtered_samples++; | |
58c311da NK |
98 | } |
99 | ||
106395df | 100 | static int report__add_mem_hist_entry(struct report *rep, struct addr_location *al, |
17f22a3f | 101 | struct perf_sample *sample, struct perf_evsel *evsel) |
f4f7e28d | 102 | { |
f4f7e28d | 103 | struct symbol *parent = NULL; |
f4f7e28d SE |
104 | struct hist_entry *he; |
105 | struct mem_info *mi, *mx; | |
106 | uint64_t cost; | |
2dc9fb1a | 107 | int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack); |
f4f7e28d | 108 | |
6dbc8ca9 ACM |
109 | if (err) |
110 | return err; | |
f4f7e28d | 111 | |
e80faac0 | 112 | mi = sample__resolve_mem(sample, al); |
f4f7e28d SE |
113 | if (!mi) |
114 | return -ENOMEM; | |
115 | ||
116 | if (rep->hide_unresolved && !al->sym) | |
117 | return 0; | |
118 | ||
119 | cost = sample->weight; | |
120 | if (!cost) | |
121 | cost = 1; | |
122 | ||
123 | /* | |
124 | * must pass period=weight in order to get the correct | |
125 | * sorting from hists__collapse_resort() which is solely | |
126 | * based on periods. We want sorting be done on nr_events * weight | |
127 | * and this is indirectly achieved by passing period=weight here | |
128 | * and the he_stat__add_period() function. | |
129 | */ | |
41a4e6e2 NK |
130 | he = __hists__add_entry(&evsel->hists, al, parent, NULL, mi, |
131 | cost, cost, 0); | |
f4f7e28d SE |
132 | if (!he) |
133 | return -ENOMEM; | |
134 | ||
48c65bda NK |
135 | if (ui__has_annotation()) { |
136 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
137 | if (err) | |
138 | goto out; | |
f4f7e28d | 139 | |
48c65bda NK |
140 | mx = he->mem_info; |
141 | err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx); | |
142 | if (err) | |
143 | goto out; | |
144 | } | |
f4f7e28d | 145 | |
58c311da NK |
146 | report__inc_stats(rep, he); |
147 | ||
6dbc8ca9 | 148 | err = hist_entry__append_callchain(he, sample); |
f4f7e28d SE |
149 | out: |
150 | return err; | |
151 | } | |
152 | ||
106395df | 153 | static int report__add_branch_hist_entry(struct report *rep, struct addr_location *al, |
cc22e575 | 154 | struct perf_sample *sample, struct perf_evsel *evsel) |
b50311dc | 155 | { |
b50311dc | 156 | struct symbol *parent = NULL; |
b50311dc RAV |
157 | unsigned i; |
158 | struct hist_entry *he; | |
a68c2c58 | 159 | struct branch_info *bi, *bx; |
2dc9fb1a | 160 | int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack); |
b50311dc | 161 | |
6dbc8ca9 ACM |
162 | if (err) |
163 | return err; | |
b50311dc | 164 | |
644f2df2 | 165 | bi = sample__resolve_bstack(sample, al); |
b50311dc RAV |
166 | if (!bi) |
167 | return -ENOMEM; | |
168 | ||
169 | for (i = 0; i < sample->branch_stack->nr; i++) { | |
170 | if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) | |
171 | continue; | |
26353a61 NK |
172 | |
173 | err = -ENOMEM; | |
174 | ||
41a4e6e2 NK |
175 | /* overwrite the 'al' to branch-to info */ |
176 | al->map = bi[i].to.map; | |
177 | al->sym = bi[i].to.sym; | |
178 | al->addr = bi[i].to.addr; | |
b50311dc RAV |
179 | /* |
180 | * The report shows the percentage of total branches captured | |
181 | * and not events sampled. Thus we use a pseudo period of 1. | |
182 | */ | |
41a4e6e2 NK |
183 | he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL, |
184 | 1, 1, 0); | |
b50311dc | 185 | if (he) { |
48c65bda NK |
186 | if (ui__has_annotation()) { |
187 | bx = he->branch_info; | |
188 | err = addr_map_symbol__inc_samples(&bx->from, | |
189 | evsel->idx); | |
190 | if (err) | |
191 | goto out; | |
192 | ||
193 | err = addr_map_symbol__inc_samples(&bx->to, | |
194 | evsel->idx); | |
195 | if (err) | |
196 | goto out; | |
197 | } | |
58c311da | 198 | report__inc_stats(rep, he); |
b50311dc | 199 | } else |
26353a61 | 200 | goto out; |
b50311dc | 201 | } |
26353a61 | 202 | err = 0; |
a68c2c58 | 203 | out: |
26353a61 | 204 | free(bi); |
b50311dc RAV |
205 | return err; |
206 | } | |
207 | ||
106395df | 208 | static int report__add_hist_entry(struct report *rep, struct perf_evsel *evsel, |
cc22e575 | 209 | struct addr_location *al, struct perf_sample *sample) |
8fa66bdc | 210 | { |
b3c9ac08 | 211 | struct symbol *parent = NULL; |
e7fb08b1 | 212 | struct hist_entry *he; |
2dc9fb1a | 213 | int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack); |
e7fb08b1 | 214 | |
6dbc8ca9 ACM |
215 | if (err) |
216 | return err; | |
cbbc79a5 | 217 | |
41a4e6e2 NK |
218 | he = __hists__add_entry(&evsel->hists, al, parent, NULL, NULL, |
219 | sample->period, sample->weight, | |
220 | sample->transaction); | |
9735abf1 | 221 | if (he == NULL) |
1b3a0e95 FW |
222 | return -ENOMEM; |
223 | ||
6dbc8ca9 ACM |
224 | err = hist_entry__append_callchain(he, sample); |
225 | if (err) | |
226 | goto out; | |
1b3a0e95 | 227 | |
48c65bda NK |
228 | if (ui__has_annotation()) |
229 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
230 | ||
58c311da NK |
231 | report__inc_stats(rep, he); |
232 | ||
6dbc8ca9 | 233 | out: |
39d1e1b1 | 234 | return err; |
8fa66bdc ACM |
235 | } |
236 | ||
cbbc79a5 | 237 | |
45694aa7 | 238 | static int process_sample_event(struct perf_tool *tool, |
d20deb64 | 239 | union perf_event *event, |
8115d60c | 240 | struct perf_sample *sample, |
9e69c210 | 241 | struct perf_evsel *evsel, |
743eb868 | 242 | struct machine *machine) |
75051724 | 243 | { |
28b21393 | 244 | struct report *rep = container_of(tool, struct report, tool); |
1ed091c4 | 245 | struct addr_location al; |
27a0dcb7 | 246 | int ret; |
180f95e2 | 247 | |
e44baa3e | 248 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
a4210141 NK |
249 | pr_debug("problem processing %d event, skipping it.\n", |
250 | event->header.type); | |
75051724 IM |
251 | return -1; |
252 | } | |
e7fb08b1 | 253 | |
2c86c7ca | 254 | if (rep->hide_unresolved && al.sym == NULL) |
ec218fc4 | 255 | return 0; |
7bec7a91 | 256 | |
fa372aae | 257 | if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) |
5d67be97 AB |
258 | return 0; |
259 | ||
55369fc1 | 260 | if (sort__mode == SORT_MODE__BRANCH) { |
106395df | 261 | ret = report__add_branch_hist_entry(rep, &al, sample, evsel); |
27a0dcb7 | 262 | if (ret < 0) |
b50311dc | 263 | pr_debug("problem adding lbr entry, skipping event\n"); |
f4f7e28d | 264 | } else if (rep->mem_mode == 1) { |
106395df | 265 | ret = report__add_mem_hist_entry(rep, &al, sample, evsel); |
27a0dcb7 | 266 | if (ret < 0) |
f4f7e28d | 267 | pr_debug("problem adding mem entry, skipping event\n"); |
b50311dc RAV |
268 | } else { |
269 | if (al.map != NULL) | |
270 | al.map->dso->hit = 1; | |
ec80fde7 | 271 | |
106395df | 272 | ret = report__add_hist_entry(rep, evsel, &al, sample); |
27a0dcb7 | 273 | if (ret < 0) |
b50311dc | 274 | pr_debug("problem incrementing symbol period, skipping event\n"); |
8fa66bdc | 275 | } |
27a0dcb7 | 276 | return ret; |
75051724 | 277 | } |
3502973d | 278 | |
45694aa7 | 279 | static int process_read_event(struct perf_tool *tool, |
d20deb64 | 280 | union perf_event *event, |
1d037ca1 | 281 | struct perf_sample *sample __maybe_unused, |
743eb868 | 282 | struct perf_evsel *evsel, |
1d037ca1 | 283 | struct machine *machine __maybe_unused) |
e9ea2fde | 284 | { |
28b21393 | 285 | struct report *rep = container_of(tool, struct report, tool); |
743eb868 | 286 | |
fa372aae | 287 | if (rep->show_threads) { |
7289f83c | 288 | const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; |
fa372aae | 289 | perf_read_values_add_value(&rep->show_threads_values, |
8d513270 BG |
290 | event->read.pid, event->read.tid, |
291 | event->read.id, | |
292 | name, | |
293 | event->read.value); | |
294 | } | |
295 | ||
9486aa38 | 296 | dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, |
7289f83c | 297 | evsel ? perf_evsel__name(evsel) : "FAIL", |
62daacb5 | 298 | event->read.value); |
e9ea2fde PZ |
299 | |
300 | return 0; | |
301 | } | |
302 | ||
300aa941 | 303 | /* For pipe mode, sample_type is not currently set */ |
28b21393 | 304 | static int report__setup_sample_type(struct report *rep) |
d80d338d | 305 | { |
c824c433 ACM |
306 | struct perf_session *session = rep->session; |
307 | u64 sample_type = perf_evlist__combined_sample_type(session->evlist); | |
308 | bool is_pipe = perf_data_file__is_pipe(session->file); | |
d20deb64 | 309 | |
cc9784bd | 310 | if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
91b4eaea | 311 | if (sort__has_parent) { |
3780f488 | 312 | ui__error("Selected --sort parent, but no " |
00894ce9 ACM |
313 | "callchain data. Did you call " |
314 | "'perf record' without -g?\n"); | |
d549c769 | 315 | return -EINVAL; |
91b4eaea | 316 | } |
d599db3f | 317 | if (symbol_conf.use_callchain) { |
3780f488 | 318 | ui__error("Selected -g but no callchain data. Did " |
00894ce9 | 319 | "you call 'perf record' without -g?\n"); |
016e92fb | 320 | return -1; |
91b4eaea | 321 | } |
fa372aae ACM |
322 | } else if (!rep->dont_use_callchains && |
323 | callchain_param.mode != CHAIN_NONE && | |
b9a63b9b | 324 | !symbol_conf.use_callchain) { |
d599db3f | 325 | symbol_conf.use_callchain = true; |
16537f13 | 326 | if (callchain_register_param(&callchain_param) < 0) { |
3780f488 | 327 | ui__error("Can't register callchain params.\n"); |
d549c769 | 328 | return -EINVAL; |
b1a88349 | 329 | } |
f5970550 PZ |
330 | } |
331 | ||
55369fc1 | 332 | if (sort__mode == SORT_MODE__BRANCH) { |
cc9784bd | 333 | if (!is_pipe && |
7f3be652 | 334 | !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { |
3780f488 NK |
335 | ui__error("Selected -b but no branch data. " |
336 | "Did you call perf record without -b?\n"); | |
b50311dc RAV |
337 | return -1; |
338 | } | |
339 | } | |
340 | ||
016e92fb FW |
341 | return 0; |
342 | } | |
6142f9ec | 343 | |
1d037ca1 | 344 | static void sig_handler(int sig __maybe_unused) |
46656ac7 TZ |
345 | { |
346 | session_done = 1; | |
347 | } | |
348 | ||
28b21393 | 349 | static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, |
c82ee828 ACM |
350 | const char *evname, FILE *fp) |
351 | { | |
352 | size_t ret; | |
353 | char unit; | |
c824c433 ACM |
354 | unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; |
355 | u64 nr_events = hists->stats.total_period; | |
356 | struct perf_evsel *evsel = hists_to_evsel(hists); | |
717e263f NK |
357 | char buf[512]; |
358 | size_t size = sizeof(buf); | |
359 | ||
f2148330 NK |
360 | if (symbol_conf.filter_relative) { |
361 | nr_samples = hists->stats.nr_non_filtered_samples; | |
362 | nr_events = hists->stats.total_non_filtered_period; | |
363 | } | |
364 | ||
759ff497 | 365 | if (perf_evsel__is_group_event(evsel)) { |
717e263f NK |
366 | struct perf_evsel *pos; |
367 | ||
368 | perf_evsel__group_desc(evsel, buf, size); | |
369 | evname = buf; | |
370 | ||
371 | for_each_group_member(pos, evsel) { | |
f2148330 NK |
372 | if (symbol_conf.filter_relative) { |
373 | nr_samples += pos->hists.stats.nr_non_filtered_samples; | |
374 | nr_events += pos->hists.stats.total_non_filtered_period; | |
375 | } else { | |
376 | nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; | |
377 | nr_events += pos->hists.stats.total_period; | |
378 | } | |
717e263f NK |
379 | } |
380 | } | |
c82ee828 | 381 | |
cc686280 AR |
382 | nr_samples = convert_unit(nr_samples, &unit); |
383 | ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); | |
c82ee828 | 384 | if (evname != NULL) |
cc686280 AR |
385 | ret += fprintf(fp, " of event '%s'", evname); |
386 | ||
f4f7e28d SE |
387 | if (rep->mem_mode) { |
388 | ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); | |
389 | ret += fprintf(fp, "\n# Sort order : %s", sort_order); | |
390 | } else | |
391 | ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); | |
c82ee828 ACM |
392 | return ret + fprintf(fp, "\n#\n"); |
393 | } | |
394 | ||
7f0030b2 | 395 | static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, |
28b21393 | 396 | struct report *rep, |
7f0030b2 | 397 | const char *help) |
d67f088e | 398 | { |
e248de33 | 399 | struct perf_evsel *pos; |
d67f088e | 400 | |
0050f7aa | 401 | evlist__for_each(evlist, pos) { |
e248de33 | 402 | struct hists *hists = &pos->hists; |
7289f83c | 403 | const char *evname = perf_evsel__name(pos); |
d67f088e | 404 | |
fc24d7c2 NK |
405 | if (symbol_conf.event_group && |
406 | !perf_evsel__is_group_leader(pos)) | |
407 | continue; | |
408 | ||
28b21393 | 409 | hists__fprintf_nr_sample_events(hists, rep, evname, stdout); |
064f1981 | 410 | hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout); |
d67f088e | 411 | fprintf(stdout, "\n\n"); |
d67f088e ACM |
412 | } |
413 | ||
414 | if (sort_order == default_sort_order && | |
415 | parent_pattern == default_parent_pattern) { | |
416 | fprintf(stdout, "#\n# (%s)\n#\n", help); | |
417 | ||
fa372aae ACM |
418 | if (rep->show_threads) { |
419 | bool style = !strcmp(rep->pretty_printing_style, "raw"); | |
420 | perf_read_values_display(stdout, &rep->show_threads_values, | |
d67f088e | 421 | style); |
fa372aae | 422 | perf_read_values_destroy(&rep->show_threads_values); |
d67f088e ACM |
423 | } |
424 | } | |
425 | ||
426 | return 0; | |
427 | } | |
428 | ||
fad2918e ACM |
429 | static void report__warn_kptr_restrict(const struct report *rep) |
430 | { | |
431 | struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION]; | |
432 | struct kmap *kernel_kmap = map__kmap(kernel_map); | |
433 | ||
434 | if (kernel_map == NULL || | |
435 | (kernel_map->dso->hit && | |
436 | (kernel_kmap->ref_reloc_sym == NULL || | |
437 | kernel_kmap->ref_reloc_sym->addr == 0))) { | |
438 | const char *desc = | |
439 | "As no suitable kallsyms nor vmlinux was found, kernel samples\n" | |
440 | "can't be resolved."; | |
441 | ||
442 | if (kernel_map) { | |
443 | const struct dso *kdso = kernel_map->dso; | |
444 | if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { | |
445 | desc = "If some relocation was applied (e.g. " | |
446 | "kexec) symbols may be misresolved."; | |
447 | } | |
448 | } | |
449 | ||
450 | ui__warning( | |
451 | "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" | |
452 | "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" | |
453 | "Samples in kernel modules can't be resolved as well.\n\n", | |
454 | desc); | |
455 | } | |
456 | } | |
457 | ||
8362951b ACM |
458 | static int report__gtk_browse_hists(struct report *rep, const char *help) |
459 | { | |
460 | int (*hist_browser)(struct perf_evlist *evlist, const char *help, | |
461 | struct hist_browser_timer *timer, float min_pcnt); | |
462 | ||
463 | hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); | |
464 | ||
465 | if (hist_browser == NULL) { | |
466 | ui__error("GTK browser not found!\n"); | |
467 | return -1; | |
468 | } | |
469 | ||
470 | return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); | |
471 | } | |
472 | ||
473 | static int report__browse_hists(struct report *rep) | |
474 | { | |
475 | int ret; | |
476 | struct perf_session *session = rep->session; | |
477 | struct perf_evlist *evlist = session->evlist; | |
478 | const char *help = "For a higher level overview, try: perf report --sort comm,dso"; | |
479 | ||
480 | switch (use_browser) { | |
481 | case 1: | |
482 | ret = perf_evlist__tui_browse_hists(evlist, help, NULL, | |
483 | rep->min_percent, | |
484 | &session->header.env); | |
485 | /* | |
486 | * Usually "ret" is the last pressed key, and we only | |
487 | * care if the key notifies us to switch data file. | |
488 | */ | |
489 | if (ret != K_SWITCH_INPUT_DATA) | |
490 | ret = 0; | |
491 | break; | |
492 | case 2: | |
493 | ret = report__gtk_browse_hists(rep, help); | |
494 | break; | |
495 | default: | |
496 | ret = perf_evlist__tty_browse_hists(evlist, rep, help); | |
497 | break; | |
498 | } | |
499 | ||
500 | return ret; | |
501 | } | |
502 | ||
58c311da | 503 | static void report__collapse_hists(struct report *rep) |
f6d8b057 ACM |
504 | { |
505 | struct ui_progress prog; | |
506 | struct perf_evsel *pos; | |
f6d8b057 | 507 | |
58c311da | 508 | ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); |
f6d8b057 | 509 | |
0050f7aa | 510 | evlist__for_each(rep->session->evlist, pos) { |
f6d8b057 ACM |
511 | struct hists *hists = &pos->hists; |
512 | ||
513 | if (pos->idx == 0) | |
514 | hists->symbol_filter_str = rep->symbol_filter_str; | |
515 | ||
516 | hists__collapse_resort(hists, &prog); | |
f6d8b057 ACM |
517 | |
518 | /* Non-group events are considered as leader */ | |
519 | if (symbol_conf.event_group && | |
520 | !perf_evsel__is_group_leader(pos)) { | |
521 | struct hists *leader_hists = &pos->leader->hists; | |
522 | ||
523 | hists__match(leader_hists, hists); | |
524 | hists__link(leader_hists, hists); | |
525 | } | |
526 | } | |
527 | ||
528 | ui_progress__finish(); | |
f6d8b057 ACM |
529 | } |
530 | ||
28b21393 | 531 | static int __cmd_report(struct report *rep) |
016e92fb | 532 | { |
f6d8b057 | 533 | int ret; |
993ac88d | 534 | struct perf_session *session = rep->session; |
e248de33 | 535 | struct perf_evsel *pos; |
cc9784bd | 536 | struct perf_data_file *file = session->file; |
8fa66bdc | 537 | |
46656ac7 TZ |
538 | signal(SIGINT, sig_handler); |
539 | ||
fa372aae ACM |
540 | if (rep->cpu_list) { |
541 | ret = perf_session__cpu_bitmap(session, rep->cpu_list, | |
542 | rep->cpu_bitmap); | |
5d67be97 | 543 | if (ret) |
d4ae0a6f | 544 | return ret; |
5d67be97 AB |
545 | } |
546 | ||
fa372aae ACM |
547 | if (rep->show_threads) |
548 | perf_read_values_init(&rep->show_threads_values); | |
f5970550 | 549 | |
28b21393 | 550 | ret = report__setup_sample_type(rep); |
d549c769 | 551 | if (ret) |
d4ae0a6f | 552 | return ret; |
d549c769 | 553 | |
45694aa7 | 554 | ret = perf_session__process_events(session, &rep->tool); |
016e92fb | 555 | if (ret) |
d4ae0a6f | 556 | return ret; |
97b07b69 | 557 | |
fad2918e | 558 | report__warn_kptr_restrict(rep); |
ec80fde7 | 559 | |
150e465a NK |
560 | if (use_browser == 0) { |
561 | if (verbose > 3) | |
562 | perf_session__fprintf(session, stdout); | |
9ac99545 | 563 | |
150e465a NK |
564 | if (verbose > 2) |
565 | perf_session__fprintf_dsos(session, stdout); | |
16f762a2 | 566 | |
150e465a NK |
567 | if (dump_trace) { |
568 | perf_session__fprintf_nr_events(session, stdout); | |
569 | return 0; | |
570 | } | |
71ad0f5e JO |
571 | } |
572 | ||
58c311da | 573 | report__collapse_hists(rep); |
e248de33 | 574 | |
33e940a2 ACM |
575 | if (session_done()) |
576 | return 0; | |
577 | ||
58c311da | 578 | if (rep->nr_entries == 0) { |
cc9784bd | 579 | ui__error("The %s file has no samples!\n", file->path); |
d4ae0a6f | 580 | return 0; |
cbbc79a5 EM |
581 | } |
582 | ||
0050f7aa | 583 | evlist__for_each(session->evlist, pos) |
6e1f601a NK |
584 | hists__output_resort(&pos->hists); |
585 | ||
8362951b | 586 | return report__browse_hists(rep); |
8fa66bdc ACM |
587 | } |
588 | ||
4eb3e478 | 589 | static int |
cff6bb46 | 590 | report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
4eb3e478 | 591 | { |
28b21393 | 592 | struct report *rep = (struct report *)opt->value; |
c20ab37e | 593 | |
b9a63b9b ACM |
594 | /* |
595 | * --no-call-graph | |
596 | */ | |
597 | if (unset) { | |
fa372aae | 598 | rep->dont_use_callchains = true; |
b9a63b9b ACM |
599 | return 0; |
600 | } | |
601 | ||
cff6bb46 | 602 | return parse_callchain_report_opt(arg); |
4eb3e478 FW |
603 | } |
604 | ||
b21484f1 GP |
605 | int |
606 | report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, | |
607 | const char *arg, int unset __maybe_unused) | |
608 | { | |
609 | if (arg) { | |
610 | int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); | |
611 | if (err) { | |
612 | char buf[BUFSIZ]; | |
613 | regerror(err, &ignore_callees_regex, buf, sizeof(buf)); | |
614 | pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); | |
615 | return -1; | |
616 | } | |
617 | have_ignore_callees = 1; | |
618 | } | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
993ac88d | 623 | static int |
1d037ca1 IT |
624 | parse_branch_mode(const struct option *opt __maybe_unused, |
625 | const char *str __maybe_unused, int unset) | |
993ac88d | 626 | { |
55369fc1 NK |
627 | int *branch_mode = opt->value; |
628 | ||
629 | *branch_mode = !unset; | |
993ac88d SE |
630 | return 0; |
631 | } | |
632 | ||
064f1981 NK |
633 | static int |
634 | parse_percent_limit(const struct option *opt, const char *str, | |
635 | int unset __maybe_unused) | |
636 | { | |
28b21393 | 637 | struct report *rep = opt->value; |
064f1981 NK |
638 | |
639 | rep->min_percent = strtof(str, NULL); | |
640 | return 0; | |
641 | } | |
642 | ||
1d037ca1 | 643 | int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) |
d20deb64 | 644 | { |
993ac88d | 645 | struct perf_session *session; |
efad1415 | 646 | struct stat st; |
993ac88d | 647 | bool has_br_stack = false; |
55369fc1 | 648 | int branch_mode = -1; |
993ac88d | 649 | int ret = -1; |
d20deb64 ACM |
650 | char callchain_default_opt[] = "fractal,0.5,callee"; |
651 | const char * const report_usage[] = { | |
fb2baceb | 652 | "perf report [<options>]", |
d20deb64 ACM |
653 | NULL |
654 | }; | |
28b21393 | 655 | struct report report = { |
45694aa7 | 656 | .tool = { |
d20deb64 ACM |
657 | .sample = process_sample_event, |
658 | .mmap = perf_event__process_mmap, | |
5c5e854b | 659 | .mmap2 = perf_event__process_mmap2, |
d20deb64 | 660 | .comm = perf_event__process_comm, |
f62d3f0f ACM |
661 | .exit = perf_event__process_exit, |
662 | .fork = perf_event__process_fork, | |
d20deb64 ACM |
663 | .lost = perf_event__process_lost, |
664 | .read = process_read_event, | |
665 | .attr = perf_event__process_attr, | |
d20deb64 ACM |
666 | .tracing_data = perf_event__process_tracing_data, |
667 | .build_id = perf_event__process_build_id, | |
668 | .ordered_samples = true, | |
669 | .ordering_requires_timestamps = true, | |
670 | }, | |
91e95617 | 671 | .max_stack = PERF_MAX_STACK_DEPTH, |
d20deb64 ACM |
672 | .pretty_printing_style = "normal", |
673 | }; | |
674 | const struct option options[] = { | |
70cb4e96 | 675 | OPT_STRING('i', "input", &input_name, "file", |
53cb8bc2 | 676 | "input file name"), |
c0555642 | 677 | OPT_INCR('v', "verbose", &verbose, |
815e777f | 678 | "be more verbose (show symbol address, etc)"), |
97b07b69 IM |
679 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
680 | "dump raw trace in ASCII"), | |
b32d133a ACM |
681 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
682 | "file", "vmlinux pathname"), | |
b226a5a7 DA |
683 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
684 | "file", "kallsyms pathname"), | |
fa372aae | 685 | OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), |
b32d133a | 686 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
42976487 | 687 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
d599db3f | 688 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
e3d7e183 | 689 | "Show a column with the number of samples"), |
fa372aae | 690 | OPT_BOOLEAN('T', "threads", &report.show_threads, |
8d513270 | 691 | "Show per-thread event counters"), |
fa372aae | 692 | OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", |
9f866697 | 693 | "pretty printing style key: normal raw"), |
fa372aae | 694 | OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), |
c31a9457 | 695 | OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), |
fa372aae ACM |
696 | OPT_BOOLEAN(0, "stdio", &report.use_stdio, |
697 | "Use the stdio interface"), | |
5cfe2c82 JO |
698 | OPT_BOOLEAN(0, "header", &report.header, "Show data header."), |
699 | OPT_BOOLEAN(0, "header-only", &report.header_only, | |
700 | "Show only data header."), | |
63299f05 | 701 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
a2ce067e NK |
702 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." |
703 | " Please refer the man page for the complete list."), | |
a1645ce1 ZY |
704 | OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, |
705 | "Show sample percentage for different cpu modes"), | |
b25bcf2f IM |
706 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
707 | "regex filter to identify parent, see: '--sort parent'"), | |
d599db3f | 708 | OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, |
b8e6d829 | 709 | "Only display entries with parent-match"), |
6581f6e3 | 710 | OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", |
99571ab3 | 711 | "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). " |
cff6bb46 | 712 | "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt), |
91e95617 WL |
713 | OPT_INTEGER(0, "max-stack", &report.max_stack, |
714 | "Set the maximum stack depth when parsing the callchain, " | |
715 | "anything beyond the specified depth will be ignored. " | |
716 | "Default: " __stringify(PERF_MAX_STACK_DEPTH)), | |
fa372aae ACM |
717 | OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, |
718 | "alias for inverted call graph"), | |
b21484f1 GP |
719 | OPT_CALLBACK(0, "ignore-callees", NULL, "regex", |
720 | "ignore callees of these functions in call graphs", | |
721 | report_parse_ignore_callees_opt), | |
655000e7 | 722 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
25903407 | 723 | "only consider symbols in these dsos"), |
c8e66720 | 724 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
cc8b88b1 | 725 | "only consider symbols in these comms"), |
655000e7 | 726 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
7bec7a91 | 727 | "only consider these symbols"), |
b14ffaca NK |
728 | OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", |
729 | "only show symbols that (partially) match with this filter"), | |
655000e7 | 730 | OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, |
52d422de ACM |
731 | "width[,width...]", |
732 | "don't try to adjust column width, use these fixed values"), | |
c410a338 | 733 | OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", |
52d422de ACM |
734 | "separator for columns, no spaces will be added between " |
735 | "columns '.' is reserved."), | |
fa372aae | 736 | OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, |
71289be7 | 737 | "Only display entries resolved to a symbol"), |
ec5761ea DA |
738 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
739 | "Look for files with symbols relative to this directory"), | |
c8e66720 | 740 | OPT_STRING('C', "cpu", &report.cpu_list, "cpu", |
fa372aae ACM |
741 | "list of cpus to profile"), |
742 | OPT_BOOLEAN('I', "show-info", &report.show_full_info, | |
fbe96f29 | 743 | "Display extended information about perf.data file"), |
64c6f0c7 ACM |
744 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
745 | "Interleave source code with assembly code (default)"), | |
746 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, | |
747 | "Display raw encoding of assembly instructions (default)"), | |
f69b64f7 AK |
748 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
749 | "Specify disassembler style (e.g. -M intel for intel syntax)"), | |
3f2728bd ACM |
750 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
751 | "Show a column with the sum of periods"), | |
01d14f16 NK |
752 | OPT_BOOLEAN(0, "group", &symbol_conf.event_group, |
753 | "Show event group information together"), | |
55369fc1 | 754 | OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", |
993ac88d | 755 | "use branch records for histogram filling", parse_branch_mode), |
7a4ec938 MB |
756 | OPT_STRING(0, "objdump", &objdump_path, "path", |
757 | "objdump binary to use for disassembly and annotations"), | |
328ccdac NK |
758 | OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, |
759 | "Disable symbol demangling"), | |
f4f7e28d | 760 | OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), |
064f1981 NK |
761 | OPT_CALLBACK(0, "percent-limit", &report, "percent", |
762 | "Don't show entries under that percent", parse_percent_limit), | |
f2148330 | 763 | OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", |
33db4568 | 764 | "how to display percentage of filtered entries", parse_filter_percentage), |
53cb8bc2 | 765 | OPT_END() |
d20deb64 | 766 | }; |
f5fc1412 JO |
767 | struct perf_data_file file = { |
768 | .mode = PERF_DATA_MODE_READ, | |
769 | }; | |
53cb8bc2 | 770 | |
28b21393 | 771 | perf_config(report__config, &report); |
00c7e1f1 | 772 | |
655000e7 ACM |
773 | argc = parse_options(argc, argv, options, report_usage, 0); |
774 | ||
fa372aae | 775 | if (report.use_stdio) |
8b9e74eb | 776 | use_browser = 0; |
fa372aae | 777 | else if (report.use_tui) |
8b9e74eb | 778 | use_browser = 1; |
c31a9457 PE |
779 | else if (report.use_gtk) |
780 | use_browser = 2; | |
8b9e74eb | 781 | |
fa372aae | 782 | if (report.inverted_callchain) |
d797fdc5 SL |
783 | callchain_param.order = ORDER_CALLER; |
784 | ||
70cb4e96 | 785 | if (!input_name || !strlen(input_name)) { |
efad1415 | 786 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
70cb4e96 | 787 | input_name = "-"; |
efad1415 | 788 | else |
70cb4e96 | 789 | input_name = "perf.data"; |
efad1415 | 790 | } |
ad0de097 | 791 | |
f5fc1412 JO |
792 | file.path = input_name; |
793 | file.force = report.force; | |
794 | ||
ad0de097 | 795 | repeat: |
f5fc1412 | 796 | session = perf_session__new(&file, false, &report.tool); |
993ac88d SE |
797 | if (session == NULL) |
798 | return -ENOMEM; | |
799 | ||
800 | report.session = session; | |
801 | ||
802 | has_br_stack = perf_header__has_feat(&session->header, | |
803 | HEADER_BRANCH_STACK); | |
efad1415 | 804 | |
55369fc1 NK |
805 | if (branch_mode == -1 && has_br_stack) |
806 | sort__mode = SORT_MODE__BRANCH; | |
993ac88d | 807 | |
f4f7e28d | 808 | if (report.mem_mode) { |
55369fc1 | 809 | if (sort__mode == SORT_MODE__BRANCH) { |
a4210141 | 810 | pr_err("branch and mem mode incompatible\n"); |
f4f7e28d SE |
811 | goto error; |
812 | } | |
afab87b9 | 813 | sort__mode = SORT_MODE__MEMORY; |
f4f7e28d | 814 | } |
a68c2c58 | 815 | |
91aba0a6 NK |
816 | if (setup_sorting() < 0) { |
817 | parse_options_usage(report_usage, options, "s", 1); | |
818 | goto error; | |
819 | } | |
034a9265 | 820 | |
4bceffbc NK |
821 | if (parent_pattern != default_parent_pattern) { |
822 | if (sort_dimension__add("parent") < 0) | |
823 | goto error; | |
824 | } | |
825 | ||
22af969e NK |
826 | perf_hpp__init(); |
827 | ||
5cfe2c82 JO |
828 | /* Force tty output for header output. */ |
829 | if (report.header || report.header_only) | |
830 | use_browser = 0; | |
831 | ||
4bceffbc NK |
832 | if (strcmp(input_name, "-") != 0) |
833 | setup_browser(true); | |
22af969e | 834 | else |
4bceffbc | 835 | use_browser = 0; |
4bceffbc | 836 | |
5cfe2c82 JO |
837 | if (report.header || report.header_only) { |
838 | perf_session__fprintf_info(session, stdout, | |
839 | report.show_full_info); | |
840 | if (report.header_only) | |
841 | return 0; | |
842 | } else if (use_browser == 0) { | |
843 | fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", | |
844 | stdout); | |
845 | } | |
846 | ||
ef7b93a1 | 847 | /* |
6692c262 | 848 | * Only in the TUI browser we are doing integrated annotation, |
ef7b93a1 ACM |
849 | * so don't allocate extra space that won't be used in the stdio |
850 | * implementation. | |
851 | */ | |
b9ce0c99 | 852 | if (ui__has_annotation()) { |
78f7defe | 853 | symbol_conf.priv_size = sizeof(struct annotation); |
b8681711 AH |
854 | machines__set_symbol_filter(&session->machines, |
855 | symbol__annotate_init); | |
80d50cae ACM |
856 | /* |
857 | * For searching by name on the "Browse map details". | |
858 | * providing it only in verbose mode not to bloat too | |
859 | * much struct symbol. | |
860 | */ | |
861 | if (verbose) { | |
862 | /* | |
863 | * XXX: Need to provide a less kludgy way to ask for | |
864 | * more space per symbol, the u32 is for the index on | |
865 | * the ui browser. | |
866 | * See symbol__browser_index. | |
867 | */ | |
868 | symbol_conf.priv_size += sizeof(u32); | |
869 | symbol_conf.sort_by_name = true; | |
870 | } | |
871 | } | |
655000e7 | 872 | |
75be6cf4 | 873 | if (symbol__init() < 0) |
993ac88d | 874 | goto error; |
53cb8bc2 | 875 | |
6db6127c NK |
876 | if (argc) { |
877 | /* | |
878 | * Special case: if there's an argument left then assume that | |
879 | * it's a symbol filter: | |
880 | */ | |
881 | if (argc > 1) | |
882 | usage_with_options(report_usage, options); | |
883 | ||
884 | report.symbol_filter_str = argv[0]; | |
885 | } | |
edc52dea | 886 | |
08e71542 | 887 | sort__setup_elide(stdout); |
25903407 | 888 | |
993ac88d | 889 | ret = __cmd_report(&report); |
ad0de097 FT |
890 | if (ret == K_SWITCH_INPUT_DATA) { |
891 | perf_session__delete(session); | |
892 | goto repeat; | |
893 | } else | |
894 | ret = 0; | |
895 | ||
993ac88d SE |
896 | error: |
897 | perf_session__delete(session); | |
898 | return ret; | |
53cb8bc2 | 899 | } |