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Commit | Line | Data |
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ddcacfa0 | 1 | /* |
bf9e1876 IM |
2 | * builtin-stat.c |
3 | * | |
4 | * Builtin stat command: Give a precise performance counters summary | |
5 | * overview about any workload, CPU or specific PID. | |
6 | * | |
7 | * Sample output: | |
ddcacfa0 | 8 | |
2cba3ffb | 9 | $ perf stat ./hackbench 10 |
ddcacfa0 | 10 | |
2cba3ffb | 11 | Time: 0.118 |
ddcacfa0 | 12 | |
2cba3ffb | 13 | Performance counter stats for './hackbench 10': |
ddcacfa0 | 14 | |
2cba3ffb IM |
15 | 1708.761321 task-clock # 11.037 CPUs utilized |
16 | 41,190 context-switches # 0.024 M/sec | |
17 | 6,735 CPU-migrations # 0.004 M/sec | |
18 | 17,318 page-faults # 0.010 M/sec | |
19 | 5,205,202,243 cycles # 3.046 GHz | |
20 | 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle | |
21 | 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle | |
22 | 2,603,501,247 instructions # 0.50 insns per cycle | |
23 | # 1.48 stalled cycles per insn | |
24 | 484,357,498 branches # 283.455 M/sec | |
25 | 6,388,934 branch-misses # 1.32% of all branches | |
26 | ||
27 | 0.154822978 seconds time elapsed | |
ddcacfa0 | 28 | |
5242519b | 29 | * |
2cba3ffb | 30 | * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> |
5242519b IM |
31 | * |
32 | * Improvements and fixes by: | |
33 | * | |
34 | * Arjan van de Ven <arjan@linux.intel.com> | |
35 | * Yanmin Zhang <yanmin.zhang@intel.com> | |
36 | * Wu Fengguang <fengguang.wu@intel.com> | |
37 | * Mike Galbraith <efault@gmx.de> | |
38 | * Paul Mackerras <paulus@samba.org> | |
6e750a8f | 39 | * Jaswinder Singh Rajput <jaswinder@kernel.org> |
5242519b IM |
40 | * |
41 | * Released under the GPL v2. (and only v2, not any later version) | |
ddcacfa0 IM |
42 | */ |
43 | ||
1a482f38 | 44 | #include "perf.h" |
16f762a2 | 45 | #include "builtin.h" |
f14d5707 | 46 | #include "util/cgroup.h" |
148be2c1 | 47 | #include "util/util.h" |
4b6ab94e | 48 | #include <subcmd/parse-options.h> |
5242519b | 49 | #include "util/parse-events.h" |
4cabc3d1 | 50 | #include "util/pmu.h" |
8f28827a | 51 | #include "util/event.h" |
361c99a6 | 52 | #include "util/evlist.h" |
69aad6f1 | 53 | #include "util/evsel.h" |
8f28827a | 54 | #include "util/debug.h" |
a5d243d0 | 55 | #include "util/color.h" |
0007ecea | 56 | #include "util/stat.h" |
60666c63 | 57 | #include "util/header.h" |
a12b51c4 | 58 | #include "util/cpumap.h" |
d6d901c2 | 59 | #include "util/thread.h" |
fd78260b | 60 | #include "util/thread_map.h" |
d809560b | 61 | #include "util/counts.h" |
44b1e60a | 62 | #include "util/group.h" |
4979d0c7 | 63 | #include "util/session.h" |
ba6039b6 | 64 | #include "util/tool.h" |
44b1e60a | 65 | #include "util/group.h" |
ba6039b6 | 66 | #include "asm/bug.h" |
ddcacfa0 | 67 | |
bd48c63e | 68 | #include <linux/time64.h> |
44b1e60a | 69 | #include <api/fs/fs.h> |
1f16c575 | 70 | #include <stdlib.h> |
ddcacfa0 | 71 | #include <sys/prctl.h> |
5af52b51 | 72 | #include <locale.h> |
e3b03b6c | 73 | #include <math.h> |
16c8a109 | 74 | |
d7470b6a | 75 | #define DEFAULT_SEPARATOR " " |
2cee77c4 DA |
76 | #define CNTR_NOT_SUPPORTED "<not supported>" |
77 | #define CNTR_NOT_COUNTED "<not counted>" | |
d7470b6a | 78 | |
d4f63a47 | 79 | static void print_counters(struct timespec *ts, int argc, const char **argv); |
13370a9b | 80 | |
4cabc3d1 | 81 | /* Default events used for perf stat -T */ |
a454742c JO |
82 | static const char *transaction_attrs = { |
83 | "task-clock," | |
4cabc3d1 AK |
84 | "{" |
85 | "instructions," | |
86 | "cycles," | |
87 | "cpu/cycles-t/," | |
88 | "cpu/tx-start/," | |
89 | "cpu/el-start/," | |
90 | "cpu/cycles-ct/" | |
91 | "}" | |
92 | }; | |
93 | ||
94 | /* More limited version when the CPU does not have all events. */ | |
a454742c JO |
95 | static const char * transaction_limited_attrs = { |
96 | "task-clock," | |
4cabc3d1 AK |
97 | "{" |
98 | "instructions," | |
99 | "cycles," | |
100 | "cpu/cycles-t/," | |
101 | "cpu/tx-start/" | |
102 | "}" | |
103 | }; | |
104 | ||
44b1e60a AK |
105 | static const char * topdown_attrs[] = { |
106 | "topdown-total-slots", | |
107 | "topdown-slots-retired", | |
108 | "topdown-recovery-bubbles", | |
109 | "topdown-fetch-bubbles", | |
110 | "topdown-slots-issued", | |
111 | NULL, | |
112 | }; | |
113 | ||
666e6d48 | 114 | static struct perf_evlist *evsel_list; |
361c99a6 | 115 | |
602ad878 | 116 | static struct target target = { |
77a6f014 NK |
117 | .uid = UINT_MAX, |
118 | }; | |
ddcacfa0 | 119 | |
1e5a2931 JO |
120 | typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); |
121 | ||
3d632595 | 122 | static int run_count = 1; |
2e6cdf99 | 123 | static bool no_inherit = false; |
d07f0b12 | 124 | static volatile pid_t child_pid = -1; |
c0555642 | 125 | static bool null_run = false; |
2cba3ffb | 126 | static int detailed_run = 0; |
4cabc3d1 | 127 | static bool transaction_run; |
44b1e60a | 128 | static bool topdown_run = false; |
201e0b06 | 129 | static bool big_num = true; |
d7470b6a | 130 | static int big_num_opt = -1; |
d7470b6a SE |
131 | static const char *csv_sep = NULL; |
132 | static bool csv_output = false; | |
43bece79 | 133 | static bool group = false; |
1f16c575 PZ |
134 | static const char *pre_cmd = NULL; |
135 | static const char *post_cmd = NULL; | |
136 | static bool sync_run = false; | |
41191688 | 137 | static unsigned int initial_delay = 0; |
410136f5 | 138 | static unsigned int unit_width = 4; /* strlen("unit") */ |
a7e191c3 | 139 | static bool forever = false; |
54b50916 | 140 | static bool metric_only = false; |
44b1e60a | 141 | static bool force_metric_only = false; |
13370a9b | 142 | static struct timespec ref_time; |
86ee6e18 | 143 | static struct cpu_map *aggr_map; |
1e5a2931 | 144 | static aggr_get_id_t aggr_get_id; |
e0547311 JO |
145 | static bool append_file; |
146 | static const char *output_name; | |
147 | static int output_fd; | |
5af52b51 | 148 | |
4979d0c7 JO |
149 | struct perf_stat { |
150 | bool record; | |
151 | struct perf_data_file file; | |
152 | struct perf_session *session; | |
153 | u64 bytes_written; | |
ba6039b6 | 154 | struct perf_tool tool; |
1975d36e JO |
155 | bool maps_allocated; |
156 | struct cpu_map *cpus; | |
157 | struct thread_map *threads; | |
89af4e05 | 158 | enum aggr_mode aggr_mode; |
4979d0c7 JO |
159 | }; |
160 | ||
161 | static struct perf_stat perf_stat; | |
162 | #define STAT_RECORD perf_stat.record | |
163 | ||
60666c63 LW |
164 | static volatile int done = 0; |
165 | ||
421a50f3 JO |
166 | static struct perf_stat_config stat_config = { |
167 | .aggr_mode = AGGR_GLOBAL, | |
711a572e | 168 | .scale = true, |
421a50f3 JO |
169 | }; |
170 | ||
13370a9b SE |
171 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
172 | struct timespec *b) | |
173 | { | |
174 | r->tv_sec = a->tv_sec - b->tv_sec; | |
175 | if (a->tv_nsec < b->tv_nsec) { | |
176 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; | |
177 | r->tv_sec--; | |
178 | } else { | |
179 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; | |
180 | } | |
181 | } | |
182 | ||
254ecbc7 JO |
183 | static void perf_stat__reset_stats(void) |
184 | { | |
185 | perf_evlist__reset_stats(evsel_list); | |
f87027b9 | 186 | perf_stat__reset_shadow_stats(); |
1eda3b21 JO |
187 | } |
188 | ||
cac21425 | 189 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
ddcacfa0 | 190 | { |
69aad6f1 | 191 | struct perf_event_attr *attr = &evsel->attr; |
727ab04e | 192 | |
711a572e | 193 | if (stat_config.scale) |
a21ca2ca IM |
194 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
195 | PERF_FORMAT_TOTAL_TIME_RUNNING; | |
ddcacfa0 | 196 | |
5d2cd909 ACM |
197 | attr->inherit = !no_inherit; |
198 | ||
6acd8e92 JO |
199 | /* |
200 | * Some events get initialized with sample_(period/type) set, | |
201 | * like tracepoints. Clear it up for counting. | |
202 | */ | |
203 | attr->sample_period = 0; | |
6db1a5c1 | 204 | |
4979d0c7 JO |
205 | /* |
206 | * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless | |
207 | * while avoiding that older tools show confusing messages. | |
6db1a5c1 JO |
208 | * |
209 | * However for pipe sessions we need to keep it zero, | |
210 | * because script's perf_evsel__check_attr is triggered | |
211 | * by attr->sample_type != 0, and we can't run it on | |
212 | * stat sessions. | |
4979d0c7 | 213 | */ |
6db1a5c1 JO |
214 | if (!(STAT_RECORD && perf_stat.file.is_pipe)) |
215 | attr->sample_type = PERF_SAMPLE_IDENTIFIER; | |
6acd8e92 | 216 | |
67ccdecd JO |
217 | /* |
218 | * Disabling all counters initially, they will be enabled | |
219 | * either manually by us or by kernel via enable_on_exec | |
220 | * set later. | |
221 | */ | |
c8280cec | 222 | if (perf_evsel__is_group_leader(evsel)) { |
67ccdecd JO |
223 | attr->disabled = 1; |
224 | ||
c8280cec JO |
225 | /* |
226 | * In case of initial_delay we enable tracee | |
227 | * events manually. | |
228 | */ | |
229 | if (target__none(&target) && !initial_delay) | |
41191688 | 230 | attr->enable_on_exec = 1; |
ddcacfa0 | 231 | } |
084ab9f8 | 232 | |
c8280cec JO |
233 | if (target__has_cpu(&target)) |
234 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); | |
235 | ||
594ac61a | 236 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
ddcacfa0 IM |
237 | } |
238 | ||
c04f5e5d IM |
239 | /* |
240 | * Does the counter have nsecs as a unit? | |
241 | */ | |
daec78a0 | 242 | static inline int nsec_counter(struct perf_evsel *evsel) |
c04f5e5d | 243 | { |
daec78a0 ACM |
244 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
245 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) | |
c04f5e5d IM |
246 | return 1; |
247 | ||
248 | return 0; | |
249 | } | |
250 | ||
8b99b1a4 JO |
251 | static int process_synthesized_event(struct perf_tool *tool __maybe_unused, |
252 | union perf_event *event, | |
253 | struct perf_sample *sample __maybe_unused, | |
254 | struct machine *machine __maybe_unused) | |
4979d0c7 | 255 | { |
8b99b1a4 | 256 | if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { |
4979d0c7 JO |
257 | pr_err("failed to write perf data, error: %m\n"); |
258 | return -1; | |
259 | } | |
260 | ||
8b99b1a4 | 261 | perf_stat.bytes_written += event->header.size; |
4979d0c7 JO |
262 | return 0; |
263 | } | |
264 | ||
1975d36e | 265 | static int write_stat_round_event(u64 tm, u64 type) |
7aad0c32 | 266 | { |
1975d36e | 267 | return perf_event__synthesize_stat_round(NULL, tm, type, |
7aad0c32 JO |
268 | process_synthesized_event, |
269 | NULL); | |
270 | } | |
271 | ||
272 | #define WRITE_STAT_ROUND_EVENT(time, interval) \ | |
273 | write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) | |
274 | ||
5a6ea81b JO |
275 | #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) |
276 | ||
277 | static int | |
278 | perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, | |
279 | struct perf_counts_values *count) | |
280 | { | |
281 | struct perf_sample_id *sid = SID(counter, cpu, thread); | |
282 | ||
283 | return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, | |
284 | process_synthesized_event, NULL); | |
285 | } | |
286 | ||
f5b4a9c3 SE |
287 | /* |
288 | * Read out the results of a single counter: | |
289 | * do not aggregate counts across CPUs in system-wide mode | |
290 | */ | |
c52b12ed | 291 | static int read_counter(struct perf_evsel *counter) |
f5b4a9c3 | 292 | { |
9bf1a529 | 293 | int nthreads = thread_map__nr(evsel_list->threads); |
00e727bb MR |
294 | int ncpus, cpu, thread; |
295 | ||
296 | if (target__has_cpu(&target)) | |
297 | ncpus = perf_evsel__nr_cpus(counter); | |
298 | else | |
299 | ncpus = 1; | |
f5b4a9c3 | 300 | |
3b4331d9 SP |
301 | if (!counter->supported) |
302 | return -ENOENT; | |
303 | ||
9bf1a529 JO |
304 | if (counter->system_wide) |
305 | nthreads = 1; | |
306 | ||
307 | for (thread = 0; thread < nthreads; thread++) { | |
308 | for (cpu = 0; cpu < ncpus; cpu++) { | |
3b3eb044 JO |
309 | struct perf_counts_values *count; |
310 | ||
311 | count = perf_counts(counter->counts, cpu, thread); | |
312 | if (perf_evsel__read(counter, cpu, thread, count)) | |
9bf1a529 | 313 | return -1; |
5a6ea81b JO |
314 | |
315 | if (STAT_RECORD) { | |
316 | if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { | |
317 | pr_err("failed to write stat event\n"); | |
318 | return -1; | |
319 | } | |
320 | } | |
0b1abbf4 AK |
321 | |
322 | if (verbose > 1) { | |
323 | fprintf(stat_config.output, | |
324 | "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", | |
325 | perf_evsel__name(counter), | |
326 | cpu, | |
327 | count->val, count->ena, count->run); | |
328 | } | |
9bf1a529 | 329 | } |
f5b4a9c3 | 330 | } |
c52b12ed ACM |
331 | |
332 | return 0; | |
2996f5dd IM |
333 | } |
334 | ||
3df33eff | 335 | static void read_counters(void) |
13370a9b | 336 | { |
13370a9b | 337 | struct perf_evsel *counter; |
13370a9b | 338 | |
e5cadb93 | 339 | evlist__for_each_entry(evsel_list, counter) { |
3b3eb044 | 340 | if (read_counter(counter)) |
245bad8e | 341 | pr_debug("failed to read counter %s\n", counter->name); |
3b3eb044 | 342 | |
f80010eb | 343 | if (perf_stat_process_counter(&stat_config, counter)) |
3b3eb044 | 344 | pr_warning("failed to process counter %s\n", counter->name); |
13370a9b | 345 | } |
106a94a0 JO |
346 | } |
347 | ||
ba411a95 | 348 | static void process_interval(void) |
106a94a0 | 349 | { |
106a94a0 | 350 | struct timespec ts, rs; |
106a94a0 | 351 | |
3df33eff | 352 | read_counters(); |
86ee6e18 | 353 | |
13370a9b SE |
354 | clock_gettime(CLOCK_MONOTONIC, &ts); |
355 | diff_timespec(&rs, &ts, &ref_time); | |
13370a9b | 356 | |
7aad0c32 | 357 | if (STAT_RECORD) { |
bd48c63e | 358 | if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) |
7aad0c32 JO |
359 | pr_err("failed to write stat round event\n"); |
360 | } | |
361 | ||
d4f63a47 | 362 | print_counters(&rs, 0, NULL); |
13370a9b SE |
363 | } |
364 | ||
67ccdecd | 365 | static void enable_counters(void) |
41191688 | 366 | { |
67ccdecd | 367 | if (initial_delay) |
41191688 | 368 | usleep(initial_delay * 1000); |
67ccdecd JO |
369 | |
370 | /* | |
371 | * We need to enable counters only if: | |
372 | * - we don't have tracee (attaching to task or cpu) | |
373 | * - we have initial delay configured | |
374 | */ | |
375 | if (!target__none(&target) || initial_delay) | |
ab46db0a | 376 | perf_evlist__enable(evsel_list); |
41191688 AK |
377 | } |
378 | ||
3df33eff MR |
379 | static void disable_counters(void) |
380 | { | |
381 | /* | |
382 | * If we don't have tracee (attaching to task or cpu), counters may | |
383 | * still be running. To get accurate group ratios, we must stop groups | |
384 | * from counting before reading their constituent counters. | |
385 | */ | |
386 | if (!target__none(&target)) | |
387 | perf_evlist__disable(evsel_list); | |
388 | } | |
389 | ||
f33cbe72 | 390 | static volatile int workload_exec_errno; |
6af206fd ACM |
391 | |
392 | /* | |
393 | * perf_evlist__prepare_workload will send a SIGUSR1 | |
394 | * if the fork fails, since we asked by setting its | |
395 | * want_signal to true. | |
396 | */ | |
f33cbe72 ACM |
397 | static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, |
398 | void *ucontext __maybe_unused) | |
6af206fd | 399 | { |
f33cbe72 | 400 | workload_exec_errno = info->si_value.sival_int; |
6af206fd ACM |
401 | } |
402 | ||
7b60a7e3 JO |
403 | static bool has_unit(struct perf_evsel *counter) |
404 | { | |
405 | return counter->unit && *counter->unit; | |
406 | } | |
407 | ||
408 | static bool has_scale(struct perf_evsel *counter) | |
409 | { | |
410 | return counter->scale != 1; | |
411 | } | |
412 | ||
664c98d4 | 413 | static int perf_stat_synthesize_config(bool is_pipe) |
8b99b1a4 | 414 | { |
7b60a7e3 | 415 | struct perf_evsel *counter; |
8b99b1a4 JO |
416 | int err; |
417 | ||
664c98d4 JO |
418 | if (is_pipe) { |
419 | err = perf_event__synthesize_attrs(NULL, perf_stat.session, | |
420 | process_synthesized_event); | |
421 | if (err < 0) { | |
422 | pr_err("Couldn't synthesize attrs.\n"); | |
423 | return err; | |
424 | } | |
425 | } | |
426 | ||
7b60a7e3 JO |
427 | /* |
428 | * Synthesize other events stuff not carried within | |
429 | * attr event - unit, scale, name | |
430 | */ | |
e5cadb93 | 431 | evlist__for_each_entry(evsel_list, counter) { |
7b60a7e3 JO |
432 | if (!counter->supported) |
433 | continue; | |
434 | ||
435 | /* | |
436 | * Synthesize unit and scale only if it's defined. | |
437 | */ | |
438 | if (has_unit(counter)) { | |
439 | err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); | |
440 | if (err < 0) { | |
441 | pr_err("Couldn't synthesize evsel unit.\n"); | |
442 | return err; | |
443 | } | |
444 | } | |
445 | ||
446 | if (has_scale(counter)) { | |
447 | err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event); | |
448 | if (err < 0) { | |
449 | pr_err("Couldn't synthesize evsel scale.\n"); | |
450 | return err; | |
451 | } | |
452 | } | |
453 | ||
454 | if (counter->own_cpus) { | |
455 | err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); | |
456 | if (err < 0) { | |
457 | pr_err("Couldn't synthesize evsel scale.\n"); | |
458 | return err; | |
459 | } | |
460 | } | |
461 | ||
462 | /* | |
463 | * Name is needed only for pipe output, | |
464 | * perf.data carries event names. | |
465 | */ | |
466 | if (is_pipe) { | |
467 | err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); | |
468 | if (err < 0) { | |
469 | pr_err("Couldn't synthesize evsel name.\n"); | |
470 | return err; | |
471 | } | |
472 | } | |
473 | } | |
474 | ||
8b99b1a4 JO |
475 | err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, |
476 | process_synthesized_event, | |
477 | NULL); | |
478 | if (err < 0) { | |
479 | pr_err("Couldn't synthesize thread map.\n"); | |
480 | return err; | |
481 | } | |
482 | ||
483 | err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, | |
484 | process_synthesized_event, NULL); | |
485 | if (err < 0) { | |
486 | pr_err("Couldn't synthesize thread map.\n"); | |
487 | return err; | |
488 | } | |
489 | ||
490 | err = perf_event__synthesize_stat_config(NULL, &stat_config, | |
491 | process_synthesized_event, NULL); | |
492 | if (err < 0) { | |
493 | pr_err("Couldn't synthesize config.\n"); | |
494 | return err; | |
495 | } | |
496 | ||
497 | return 0; | |
498 | } | |
499 | ||
2af4646d JO |
500 | #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) |
501 | ||
502 | static int __store_counter_ids(struct perf_evsel *counter, | |
503 | struct cpu_map *cpus, | |
504 | struct thread_map *threads) | |
505 | { | |
506 | int cpu, thread; | |
507 | ||
508 | for (cpu = 0; cpu < cpus->nr; cpu++) { | |
509 | for (thread = 0; thread < threads->nr; thread++) { | |
510 | int fd = FD(counter, cpu, thread); | |
511 | ||
512 | if (perf_evlist__id_add_fd(evsel_list, counter, | |
513 | cpu, thread, fd) < 0) | |
514 | return -1; | |
515 | } | |
516 | } | |
517 | ||
518 | return 0; | |
519 | } | |
520 | ||
521 | static int store_counter_ids(struct perf_evsel *counter) | |
522 | { | |
523 | struct cpu_map *cpus = counter->cpus; | |
524 | struct thread_map *threads = counter->threads; | |
525 | ||
526 | if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) | |
527 | return -ENOMEM; | |
528 | ||
529 | return __store_counter_ids(counter, cpus, threads); | |
530 | } | |
531 | ||
acf28922 | 532 | static int __run_perf_stat(int argc, const char **argv) |
42202dd5 | 533 | { |
ec0d3d1f | 534 | int interval = stat_config.interval; |
56e52e85 | 535 | char msg[512]; |
42202dd5 | 536 | unsigned long long t0, t1; |
cac21425 | 537 | struct perf_evsel *counter; |
13370a9b | 538 | struct timespec ts; |
410136f5 | 539 | size_t l; |
42202dd5 | 540 | int status = 0; |
6be2850e | 541 | const bool forks = (argc > 0); |
664c98d4 | 542 | bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false; |
42202dd5 | 543 | |
13370a9b SE |
544 | if (interval) { |
545 | ts.tv_sec = interval / 1000; | |
546 | ts.tv_nsec = (interval % 1000) * 1000000; | |
547 | } else { | |
548 | ts.tv_sec = 1; | |
549 | ts.tv_nsec = 0; | |
550 | } | |
551 | ||
60666c63 | 552 | if (forks) { |
664c98d4 | 553 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, |
735f7e0b | 554 | workload_exec_failed_signal) < 0) { |
acf28922 NK |
555 | perror("failed to prepare workload"); |
556 | return -1; | |
60666c63 | 557 | } |
d20a47e7 | 558 | child_pid = evsel_list->workload.pid; |
051ae7f7 PM |
559 | } |
560 | ||
6a4bb04c | 561 | if (group) |
63dab225 | 562 | perf_evlist__set_leader(evsel_list); |
6a4bb04c | 563 | |
e5cadb93 | 564 | evlist__for_each_entry(evsel_list, counter) { |
42ef8a78 | 565 | try_again: |
cac21425 | 566 | if (create_perf_stat_counter(counter) < 0) { |
979987a5 DA |
567 | /* |
568 | * PPC returns ENXIO for HW counters until 2.6.37 | |
569 | * (behavior changed with commit b0a873e). | |
570 | */ | |
38f6ae1e | 571 | if (errno == EINVAL || errno == ENOSYS || |
979987a5 DA |
572 | errno == ENOENT || errno == EOPNOTSUPP || |
573 | errno == ENXIO) { | |
c63ca0c0 DA |
574 | if (verbose) |
575 | ui__warning("%s event is not supported by the kernel.\n", | |
7289f83c | 576 | perf_evsel__name(counter)); |
2cee77c4 | 577 | counter->supported = false; |
cb5ef600 KL |
578 | |
579 | if ((counter->leader != counter) || | |
580 | !(counter->leader->nr_members > 1)) | |
581 | continue; | |
42ef8a78 ACM |
582 | } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { |
583 | if (verbose) | |
584 | ui__warning("%s\n", msg); | |
585 | goto try_again; | |
586 | } | |
ede70290 | 587 | |
56e52e85 ACM |
588 | perf_evsel__open_strerror(counter, &target, |
589 | errno, msg, sizeof(msg)); | |
590 | ui__error("%s\n", msg); | |
591 | ||
48290609 ACM |
592 | if (child_pid != -1) |
593 | kill(child_pid, SIGTERM); | |
fceda7fe | 594 | |
48290609 ACM |
595 | return -1; |
596 | } | |
2cee77c4 | 597 | counter->supported = true; |
410136f5 SE |
598 | |
599 | l = strlen(counter->unit); | |
600 | if (l > unit_width) | |
601 | unit_width = l; | |
2af4646d JO |
602 | |
603 | if (STAT_RECORD && store_counter_ids(counter)) | |
604 | return -1; | |
084ab9f8 | 605 | } |
42202dd5 | 606 | |
23d4aad4 ACM |
607 | if (perf_evlist__apply_filters(evsel_list, &counter)) { |
608 | error("failed to set filter \"%s\" on event %s with %d (%s)\n", | |
609 | counter->filter, perf_evsel__name(counter), errno, | |
c8b5f2c9 | 610 | str_error_r(errno, msg, sizeof(msg))); |
cfd748ae FW |
611 | return -1; |
612 | } | |
613 | ||
4979d0c7 JO |
614 | if (STAT_RECORD) { |
615 | int err, fd = perf_data_file__fd(&perf_stat.file); | |
616 | ||
664c98d4 JO |
617 | if (is_pipe) { |
618 | err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file)); | |
619 | } else { | |
620 | err = perf_session__write_header(perf_stat.session, evsel_list, | |
621 | fd, false); | |
622 | } | |
623 | ||
4979d0c7 JO |
624 | if (err < 0) |
625 | return err; | |
8b99b1a4 | 626 | |
664c98d4 | 627 | err = perf_stat_synthesize_config(is_pipe); |
8b99b1a4 JO |
628 | if (err < 0) |
629 | return err; | |
4979d0c7 JO |
630 | } |
631 | ||
42202dd5 IM |
632 | /* |
633 | * Enable counters and exec the command: | |
634 | */ | |
635 | t0 = rdclock(); | |
13370a9b | 636 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
42202dd5 | 637 | |
60666c63 | 638 | if (forks) { |
acf28922 | 639 | perf_evlist__start_workload(evsel_list); |
67ccdecd | 640 | enable_counters(); |
acf28922 | 641 | |
13370a9b SE |
642 | if (interval) { |
643 | while (!waitpid(child_pid, &status, WNOHANG)) { | |
644 | nanosleep(&ts, NULL); | |
ba411a95 | 645 | process_interval(); |
13370a9b SE |
646 | } |
647 | } | |
60666c63 | 648 | wait(&status); |
6af206fd | 649 | |
f33cbe72 | 650 | if (workload_exec_errno) { |
c8b5f2c9 | 651 | const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); |
f33cbe72 | 652 | pr_err("Workload failed: %s\n", emsg); |
6af206fd | 653 | return -1; |
f33cbe72 | 654 | } |
6af206fd | 655 | |
33e49ea7 AK |
656 | if (WIFSIGNALED(status)) |
657 | psignal(WTERMSIG(status), argv[0]); | |
60666c63 | 658 | } else { |
67ccdecd | 659 | enable_counters(); |
13370a9b SE |
660 | while (!done) { |
661 | nanosleep(&ts, NULL); | |
662 | if (interval) | |
ba411a95 | 663 | process_interval(); |
13370a9b | 664 | } |
60666c63 | 665 | } |
42202dd5 | 666 | |
3df33eff MR |
667 | disable_counters(); |
668 | ||
42202dd5 IM |
669 | t1 = rdclock(); |
670 | ||
9e9772c4 | 671 | update_stats(&walltime_nsecs_stats, t1 - t0); |
42202dd5 | 672 | |
3df33eff MR |
673 | /* |
674 | * Closing a group leader splits the group, and as we only disable | |
675 | * group leaders, results in remaining events becoming enabled. To | |
676 | * avoid arbitrary skew, we must read all counters before closing any | |
677 | * group leaders. | |
678 | */ | |
679 | read_counters(); | |
680 | perf_evlist__close(evsel_list); | |
c52b12ed | 681 | |
42202dd5 IM |
682 | return WEXITSTATUS(status); |
683 | } | |
684 | ||
41cde476 | 685 | static int run_perf_stat(int argc, const char **argv) |
1f16c575 PZ |
686 | { |
687 | int ret; | |
688 | ||
689 | if (pre_cmd) { | |
690 | ret = system(pre_cmd); | |
691 | if (ret) | |
692 | return ret; | |
693 | } | |
694 | ||
695 | if (sync_run) | |
696 | sync(); | |
697 | ||
698 | ret = __run_perf_stat(argc, argv); | |
699 | if (ret) | |
700 | return ret; | |
701 | ||
702 | if (post_cmd) { | |
703 | ret = system(post_cmd); | |
704 | if (ret) | |
705 | return ret; | |
706 | } | |
707 | ||
708 | return ret; | |
709 | } | |
710 | ||
d73515c0 AK |
711 | static void print_running(u64 run, u64 ena) |
712 | { | |
713 | if (csv_output) { | |
5821522e | 714 | fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", |
d73515c0 AK |
715 | csv_sep, |
716 | run, | |
717 | csv_sep, | |
718 | ena ? 100.0 * run / ena : 100.0); | |
719 | } else if (run != ena) { | |
5821522e | 720 | fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); |
d73515c0 AK |
721 | } |
722 | } | |
723 | ||
f99844cb IM |
724 | static void print_noise_pct(double total, double avg) |
725 | { | |
0007ecea | 726 | double pct = rel_stddev_stats(total, avg); |
f99844cb | 727 | |
3ae9a34d | 728 | if (csv_output) |
5821522e | 729 | fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); |
a1bca6cc | 730 | else if (pct) |
5821522e | 731 | fprintf(stat_config.output, " ( +-%6.2f%% )", pct); |
f99844cb IM |
732 | } |
733 | ||
69aad6f1 | 734 | static void print_noise(struct perf_evsel *evsel, double avg) |
42202dd5 | 735 | { |
581cc8a2 | 736 | struct perf_stat_evsel *ps; |
69aad6f1 | 737 | |
849abde9 PZ |
738 | if (run_count == 1) |
739 | return; | |
740 | ||
69aad6f1 | 741 | ps = evsel->priv; |
f99844cb | 742 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
42202dd5 IM |
743 | } |
744 | ||
12c08a9f | 745 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
44175b6f | 746 | { |
421a50f3 | 747 | switch (stat_config.aggr_mode) { |
12c08a9f | 748 | case AGGR_CORE: |
5821522e | 749 | fprintf(stat_config.output, "S%d-C%*d%s%*d%s", |
12c08a9f SE |
750 | cpu_map__id_to_socket(id), |
751 | csv_output ? 0 : -8, | |
752 | cpu_map__id_to_cpu(id), | |
753 | csv_sep, | |
754 | csv_output ? 0 : 4, | |
755 | nr, | |
756 | csv_sep); | |
757 | break; | |
86ee6e18 | 758 | case AGGR_SOCKET: |
5821522e | 759 | fprintf(stat_config.output, "S%*d%s%*d%s", |
d7e7a451 | 760 | csv_output ? 0 : -5, |
12c08a9f | 761 | id, |
d7e7a451 SE |
762 | csv_sep, |
763 | csv_output ? 0 : 4, | |
764 | nr, | |
765 | csv_sep); | |
86ee6e18 SE |
766 | break; |
767 | case AGGR_NONE: | |
5821522e | 768 | fprintf(stat_config.output, "CPU%*d%s", |
d7470b6a | 769 | csv_output ? 0 : -4, |
12c08a9f | 770 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
86ee6e18 | 771 | break; |
32b8af82 | 772 | case AGGR_THREAD: |
5821522e | 773 | fprintf(stat_config.output, "%*s-%*d%s", |
32b8af82 JO |
774 | csv_output ? 0 : 16, |
775 | thread_map__comm(evsel->threads, id), | |
776 | csv_output ? 0 : -8, | |
777 | thread_map__pid(evsel->threads, id), | |
778 | csv_sep); | |
779 | break; | |
86ee6e18 | 780 | case AGGR_GLOBAL: |
208df99e | 781 | case AGGR_UNSET: |
86ee6e18 SE |
782 | default: |
783 | break; | |
784 | } | |
785 | } | |
786 | ||
140aeadc AK |
787 | struct outstate { |
788 | FILE *fh; | |
789 | bool newline; | |
f9483392 | 790 | const char *prefix; |
92a61f64 | 791 | int nfields; |
44d49a60 AK |
792 | int id, nr; |
793 | struct perf_evsel *evsel; | |
140aeadc AK |
794 | }; |
795 | ||
796 | #define METRIC_LEN 35 | |
797 | ||
798 | static void new_line_std(void *ctx) | |
799 | { | |
800 | struct outstate *os = ctx; | |
801 | ||
802 | os->newline = true; | |
803 | } | |
804 | ||
805 | static void do_new_line_std(struct outstate *os) | |
806 | { | |
807 | fputc('\n', os->fh); | |
f9483392 | 808 | fputs(os->prefix, os->fh); |
44d49a60 | 809 | aggr_printout(os->evsel, os->id, os->nr); |
140aeadc AK |
810 | if (stat_config.aggr_mode == AGGR_NONE) |
811 | fprintf(os->fh, " "); | |
140aeadc AK |
812 | fprintf(os->fh, " "); |
813 | } | |
814 | ||
815 | static void print_metric_std(void *ctx, const char *color, const char *fmt, | |
816 | const char *unit, double val) | |
817 | { | |
818 | struct outstate *os = ctx; | |
819 | FILE *out = os->fh; | |
820 | int n; | |
821 | bool newline = os->newline; | |
822 | ||
823 | os->newline = false; | |
824 | ||
825 | if (unit == NULL || fmt == NULL) { | |
826 | fprintf(out, "%-*s", METRIC_LEN, ""); | |
827 | return; | |
828 | } | |
829 | ||
830 | if (newline) | |
831 | do_new_line_std(os); | |
832 | ||
833 | n = fprintf(out, " # "); | |
834 | if (color) | |
835 | n += color_fprintf(out, color, fmt, val); | |
836 | else | |
837 | n += fprintf(out, fmt, val); | |
838 | fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); | |
839 | } | |
840 | ||
92a61f64 AK |
841 | static void new_line_csv(void *ctx) |
842 | { | |
843 | struct outstate *os = ctx; | |
844 | int i; | |
845 | ||
846 | fputc('\n', os->fh); | |
847 | if (os->prefix) | |
848 | fprintf(os->fh, "%s%s", os->prefix, csv_sep); | |
44d49a60 | 849 | aggr_printout(os->evsel, os->id, os->nr); |
92a61f64 AK |
850 | for (i = 0; i < os->nfields; i++) |
851 | fputs(csv_sep, os->fh); | |
852 | } | |
853 | ||
854 | static void print_metric_csv(void *ctx, | |
855 | const char *color __maybe_unused, | |
856 | const char *fmt, const char *unit, double val) | |
857 | { | |
858 | struct outstate *os = ctx; | |
859 | FILE *out = os->fh; | |
860 | char buf[64], *vals, *ends; | |
861 | ||
862 | if (unit == NULL || fmt == NULL) { | |
863 | fprintf(out, "%s%s%s%s", csv_sep, csv_sep, csv_sep, csv_sep); | |
864 | return; | |
865 | } | |
866 | snprintf(buf, sizeof(buf), fmt, val); | |
867 | vals = buf; | |
868 | while (isspace(*vals)) | |
869 | vals++; | |
870 | ends = vals; | |
871 | while (isdigit(*ends) || *ends == '.') | |
872 | ends++; | |
873 | *ends = 0; | |
874 | while (isspace(*unit)) | |
875 | unit++; | |
876 | fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); | |
877 | } | |
878 | ||
54b50916 AK |
879 | #define METRIC_ONLY_LEN 20 |
880 | ||
881 | /* Filter out some columns that don't work well in metrics only mode */ | |
882 | ||
883 | static bool valid_only_metric(const char *unit) | |
884 | { | |
885 | if (!unit) | |
886 | return false; | |
887 | if (strstr(unit, "/sec") || | |
888 | strstr(unit, "hz") || | |
889 | strstr(unit, "Hz") || | |
890 | strstr(unit, "CPUs utilized")) | |
891 | return false; | |
892 | return true; | |
893 | } | |
894 | ||
895 | static const char *fixunit(char *buf, struct perf_evsel *evsel, | |
896 | const char *unit) | |
897 | { | |
898 | if (!strncmp(unit, "of all", 6)) { | |
899 | snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel), | |
900 | unit); | |
901 | return buf; | |
902 | } | |
903 | return unit; | |
904 | } | |
905 | ||
906 | static void print_metric_only(void *ctx, const char *color, const char *fmt, | |
907 | const char *unit, double val) | |
908 | { | |
909 | struct outstate *os = ctx; | |
910 | FILE *out = os->fh; | |
911 | int n; | |
912 | char buf[1024]; | |
913 | unsigned mlen = METRIC_ONLY_LEN; | |
914 | ||
915 | if (!valid_only_metric(unit)) | |
916 | return; | |
917 | unit = fixunit(buf, os->evsel, unit); | |
918 | if (color) | |
919 | n = color_fprintf(out, color, fmt, val); | |
920 | else | |
921 | n = fprintf(out, fmt, val); | |
922 | if (n > METRIC_ONLY_LEN) | |
923 | n = METRIC_ONLY_LEN; | |
924 | if (mlen < strlen(unit)) | |
925 | mlen = strlen(unit) + 1; | |
926 | fprintf(out, "%*s", mlen - n, ""); | |
927 | } | |
928 | ||
929 | static void print_metric_only_csv(void *ctx, const char *color __maybe_unused, | |
930 | const char *fmt, | |
931 | const char *unit, double val) | |
932 | { | |
933 | struct outstate *os = ctx; | |
934 | FILE *out = os->fh; | |
935 | char buf[64], *vals, *ends; | |
936 | char tbuf[1024]; | |
937 | ||
938 | if (!valid_only_metric(unit)) | |
939 | return; | |
940 | unit = fixunit(tbuf, os->evsel, unit); | |
941 | snprintf(buf, sizeof buf, fmt, val); | |
942 | vals = buf; | |
943 | while (isspace(*vals)) | |
944 | vals++; | |
945 | ends = vals; | |
946 | while (isdigit(*ends) || *ends == '.') | |
947 | ends++; | |
948 | *ends = 0; | |
949 | fprintf(out, "%s%s", vals, csv_sep); | |
950 | } | |
951 | ||
952 | static void new_line_metric(void *ctx __maybe_unused) | |
953 | { | |
954 | } | |
955 | ||
956 | static void print_metric_header(void *ctx, const char *color __maybe_unused, | |
957 | const char *fmt __maybe_unused, | |
958 | const char *unit, double val __maybe_unused) | |
959 | { | |
960 | struct outstate *os = ctx; | |
961 | char tbuf[1024]; | |
962 | ||
963 | if (!valid_only_metric(unit)) | |
964 | return; | |
965 | unit = fixunit(tbuf, os->evsel, unit); | |
966 | if (csv_output) | |
967 | fprintf(os->fh, "%s%s", unit, csv_sep); | |
968 | else | |
969 | fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit); | |
970 | } | |
971 | ||
da88c7f7 | 972 | static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
86ee6e18 | 973 | { |
5821522e | 974 | FILE *output = stat_config.output; |
86ee6e18 | 975 | double msecs = avg / 1e6; |
410136f5 | 976 | const char *fmt_v, *fmt_n; |
4bbe5a61 | 977 | char name[25]; |
86ee6e18 | 978 | |
410136f5 SE |
979 | fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; |
980 | fmt_n = csv_output ? "%s" : "%-25s"; | |
981 | ||
da88c7f7 | 982 | aggr_printout(evsel, id, nr); |
d7470b6a | 983 | |
4bbe5a61 DA |
984 | scnprintf(name, sizeof(name), "%s%s", |
985 | perf_evsel__name(evsel), csv_output ? "" : " (msec)"); | |
410136f5 SE |
986 | |
987 | fprintf(output, fmt_v, msecs, csv_sep); | |
988 | ||
989 | if (csv_output) | |
990 | fprintf(output, "%s%s", evsel->unit, csv_sep); | |
991 | else | |
992 | fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); | |
993 | ||
994 | fprintf(output, fmt_n, name); | |
d7470b6a | 995 | |
023695d9 | 996 | if (evsel->cgrp) |
4aa9015f | 997 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
44175b6f IM |
998 | } |
999 | ||
44d49a60 AK |
1000 | static int first_shadow_cpu(struct perf_evsel *evsel, int id) |
1001 | { | |
1002 | int i; | |
1003 | ||
1004 | if (!aggr_get_id) | |
1005 | return 0; | |
1006 | ||
1007 | if (stat_config.aggr_mode == AGGR_NONE) | |
1008 | return id; | |
1009 | ||
1010 | if (stat_config.aggr_mode == AGGR_GLOBAL) | |
1011 | return 0; | |
1012 | ||
1013 | for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { | |
1014 | int cpu2 = perf_evsel__cpus(evsel)->map[i]; | |
1015 | ||
1016 | if (aggr_get_id(evsel_list->cpus, cpu2) == id) | |
1017 | return cpu2; | |
1018 | } | |
1019 | return 0; | |
1020 | } | |
1021 | ||
556b1fb7 JO |
1022 | static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
1023 | { | |
5821522e | 1024 | FILE *output = stat_config.output; |
556b1fb7 JO |
1025 | double sc = evsel->scale; |
1026 | const char *fmt; | |
556b1fb7 JO |
1027 | |
1028 | if (csv_output) { | |
e3b03b6c | 1029 | fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; |
556b1fb7 JO |
1030 | } else { |
1031 | if (big_num) | |
e3b03b6c | 1032 | fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s"; |
556b1fb7 | 1033 | else |
e3b03b6c | 1034 | fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s"; |
556b1fb7 JO |
1035 | } |
1036 | ||
1037 | aggr_printout(evsel, id, nr); | |
1038 | ||
556b1fb7 JO |
1039 | fprintf(output, fmt, avg, csv_sep); |
1040 | ||
1041 | if (evsel->unit) | |
1042 | fprintf(output, "%-*s%s", | |
1043 | csv_output ? 0 : unit_width, | |
1044 | evsel->unit, csv_sep); | |
1045 | ||
1046 | fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); | |
1047 | ||
1048 | if (evsel->cgrp) | |
1049 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); | |
eedfcb4b | 1050 | } |
556b1fb7 | 1051 | |
f9483392 | 1052 | static void printout(int id, int nr, struct perf_evsel *counter, double uval, |
cb110f47 | 1053 | char *prefix, u64 run, u64 ena, double noise) |
eedfcb4b | 1054 | { |
140aeadc | 1055 | struct perf_stat_output_ctx out; |
f9483392 AK |
1056 | struct outstate os = { |
1057 | .fh = stat_config.output, | |
44d49a60 AK |
1058 | .prefix = prefix ? prefix : "", |
1059 | .id = id, | |
1060 | .nr = nr, | |
1061 | .evsel = counter, | |
f9483392 | 1062 | }; |
140aeadc AK |
1063 | print_metric_t pm = print_metric_std; |
1064 | void (*nl)(void *); | |
eedfcb4b | 1065 | |
54b50916 AK |
1066 | if (metric_only) { |
1067 | nl = new_line_metric; | |
1068 | if (csv_output) | |
1069 | pm = print_metric_only_csv; | |
1070 | else | |
1071 | pm = print_metric_only; | |
1072 | } else | |
1073 | nl = new_line_std; | |
eedfcb4b | 1074 | |
54b50916 | 1075 | if (csv_output && !metric_only) { |
92a61f64 AK |
1076 | static int aggr_fields[] = { |
1077 | [AGGR_GLOBAL] = 0, | |
1078 | [AGGR_THREAD] = 1, | |
1079 | [AGGR_NONE] = 1, | |
1080 | [AGGR_SOCKET] = 2, | |
1081 | [AGGR_CORE] = 2, | |
1082 | }; | |
1083 | ||
1084 | pm = print_metric_csv; | |
1085 | nl = new_line_csv; | |
1086 | os.nfields = 3; | |
1087 | os.nfields += aggr_fields[stat_config.aggr_mode]; | |
1088 | if (counter->cgrp) | |
1089 | os.nfields++; | |
1090 | } | |
b002f3bb | 1091 | if (run == 0 || ena == 0 || counter->counts->scaled == -1) { |
54b50916 AK |
1092 | if (metric_only) { |
1093 | pm(&os, NULL, "", "", 0); | |
1094 | return; | |
1095 | } | |
cb110f47 AK |
1096 | aggr_printout(counter, id, nr); |
1097 | ||
1098 | fprintf(stat_config.output, "%*s%s", | |
1099 | csv_output ? 0 : 18, | |
1100 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, | |
1101 | csv_sep); | |
1102 | ||
1103 | fprintf(stat_config.output, "%-*s%s", | |
1104 | csv_output ? 0 : unit_width, | |
1105 | counter->unit, csv_sep); | |
1106 | ||
1107 | fprintf(stat_config.output, "%*s", | |
1108 | csv_output ? 0 : -25, | |
1109 | perf_evsel__name(counter)); | |
1110 | ||
1111 | if (counter->cgrp) | |
1112 | fprintf(stat_config.output, "%s%s", | |
1113 | csv_sep, counter->cgrp->name); | |
1114 | ||
92a61f64 AK |
1115 | if (!csv_output) |
1116 | pm(&os, NULL, NULL, "", 0); | |
1117 | print_noise(counter, noise); | |
cb110f47 | 1118 | print_running(run, ena); |
92a61f64 AK |
1119 | if (csv_output) |
1120 | pm(&os, NULL, NULL, "", 0); | |
cb110f47 AK |
1121 | return; |
1122 | } | |
1123 | ||
54b50916 AK |
1124 | if (metric_only) |
1125 | /* nothing */; | |
1126 | else if (nsec_counter(counter)) | |
eedfcb4b AK |
1127 | nsec_printout(id, nr, counter, uval); |
1128 | else | |
1129 | abs_printout(id, nr, counter, uval); | |
556b1fb7 | 1130 | |
140aeadc AK |
1131 | out.print_metric = pm; |
1132 | out.new_line = nl; | |
1133 | out.ctx = &os; | |
1134 | ||
54b50916 | 1135 | if (csv_output && !metric_only) { |
92a61f64 AK |
1136 | print_noise(counter, noise); |
1137 | print_running(run, ena); | |
1138 | } | |
1139 | ||
1140 | perf_stat__print_shadow_stats(counter, uval, | |
44d49a60 | 1141 | first_shadow_cpu(counter, id), |
140aeadc | 1142 | &out); |
54b50916 | 1143 | if (!csv_output && !metric_only) { |
92a61f64 AK |
1144 | print_noise(counter, noise); |
1145 | print_running(run, ena); | |
1146 | } | |
556b1fb7 JO |
1147 | } |
1148 | ||
44d49a60 AK |
1149 | static void aggr_update_shadow(void) |
1150 | { | |
1151 | int cpu, s2, id, s; | |
1152 | u64 val; | |
1153 | struct perf_evsel *counter; | |
1154 | ||
1155 | for (s = 0; s < aggr_map->nr; s++) { | |
1156 | id = aggr_map->map[s]; | |
e5cadb93 | 1157 | evlist__for_each_entry(evsel_list, counter) { |
44d49a60 AK |
1158 | val = 0; |
1159 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
1160 | s2 = aggr_get_id(evsel_list->cpus, cpu); | |
1161 | if (s2 != id) | |
1162 | continue; | |
1163 | val += perf_counts(counter->counts, cpu, 0)->val; | |
1164 | } | |
1165 | val = val * counter->scale; | |
1166 | perf_stat__update_shadow_stats(counter, &val, | |
1167 | first_shadow_cpu(counter, id)); | |
1168 | } | |
1169 | } | |
1170 | } | |
1171 | ||
86ee6e18 | 1172 | static void print_aggr(char *prefix) |
d7e7a451 | 1173 | { |
5821522e | 1174 | FILE *output = stat_config.output; |
d7e7a451 | 1175 | struct perf_evsel *counter; |
601083cf | 1176 | int cpu, s, s2, id, nr; |
410136f5 | 1177 | double uval; |
d7e7a451 | 1178 | u64 ena, run, val; |
54b50916 | 1179 | bool first; |
d7e7a451 | 1180 | |
86ee6e18 | 1181 | if (!(aggr_map || aggr_get_id)) |
d7e7a451 SE |
1182 | return; |
1183 | ||
44d49a60 AK |
1184 | aggr_update_shadow(); |
1185 | ||
54b50916 AK |
1186 | /* |
1187 | * With metric_only everything is on a single line. | |
1188 | * Without each counter has its own line. | |
1189 | */ | |
86ee6e18 | 1190 | for (s = 0; s < aggr_map->nr; s++) { |
54b50916 AK |
1191 | if (prefix && metric_only) |
1192 | fprintf(output, "%s", prefix); | |
1193 | ||
86ee6e18 | 1194 | id = aggr_map->map[s]; |
54b50916 | 1195 | first = true; |
e5cadb93 | 1196 | evlist__for_each_entry(evsel_list, counter) { |
d7e7a451 SE |
1197 | val = ena = run = 0; |
1198 | nr = 0; | |
1199 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
601083cf | 1200 | s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); |
86ee6e18 | 1201 | if (s2 != id) |
d7e7a451 | 1202 | continue; |
a6fa0038 JO |
1203 | val += perf_counts(counter->counts, cpu, 0)->val; |
1204 | ena += perf_counts(counter->counts, cpu, 0)->ena; | |
1205 | run += perf_counts(counter->counts, cpu, 0)->run; | |
d7e7a451 SE |
1206 | nr++; |
1207 | } | |
54b50916 AK |
1208 | if (first && metric_only) { |
1209 | first = false; | |
1210 | aggr_printout(counter, id, nr); | |
1211 | } | |
1212 | if (prefix && !metric_only) | |
d7e7a451 SE |
1213 | fprintf(output, "%s", prefix); |
1214 | ||
410136f5 | 1215 | uval = val * counter->scale; |
cb110f47 | 1216 | printout(id, nr, counter, uval, prefix, run, ena, 1.0); |
54b50916 AK |
1217 | if (!metric_only) |
1218 | fputc('\n', output); | |
d7e7a451 | 1219 | } |
54b50916 AK |
1220 | if (metric_only) |
1221 | fputc('\n', output); | |
d7e7a451 SE |
1222 | } |
1223 | } | |
1224 | ||
32b8af82 JO |
1225 | static void print_aggr_thread(struct perf_evsel *counter, char *prefix) |
1226 | { | |
5821522e | 1227 | FILE *output = stat_config.output; |
32b8af82 JO |
1228 | int nthreads = thread_map__nr(counter->threads); |
1229 | int ncpus = cpu_map__nr(counter->cpus); | |
1230 | int cpu, thread; | |
1231 | double uval; | |
1232 | ||
1233 | for (thread = 0; thread < nthreads; thread++) { | |
1234 | u64 ena = 0, run = 0, val = 0; | |
1235 | ||
1236 | for (cpu = 0; cpu < ncpus; cpu++) { | |
1237 | val += perf_counts(counter->counts, cpu, thread)->val; | |
1238 | ena += perf_counts(counter->counts, cpu, thread)->ena; | |
1239 | run += perf_counts(counter->counts, cpu, thread)->run; | |
1240 | } | |
1241 | ||
1242 | if (prefix) | |
1243 | fprintf(output, "%s", prefix); | |
1244 | ||
1245 | uval = val * counter->scale; | |
cb110f47 | 1246 | printout(thread, 0, counter, uval, prefix, run, ena, 1.0); |
32b8af82 JO |
1247 | fputc('\n', output); |
1248 | } | |
1249 | } | |
1250 | ||
2996f5dd IM |
1251 | /* |
1252 | * Print out the results of a single counter: | |
f5b4a9c3 | 1253 | * aggregated counts in system-wide mode |
2996f5dd | 1254 | */ |
13370a9b | 1255 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
2996f5dd | 1256 | { |
5821522e | 1257 | FILE *output = stat_config.output; |
581cc8a2 | 1258 | struct perf_stat_evsel *ps = counter->priv; |
69aad6f1 | 1259 | double avg = avg_stats(&ps->res_stats[0]); |
410136f5 | 1260 | double uval; |
d73515c0 AK |
1261 | double avg_enabled, avg_running; |
1262 | ||
1263 | avg_enabled = avg_stats(&ps->res_stats[1]); | |
1264 | avg_running = avg_stats(&ps->res_stats[2]); | |
2996f5dd | 1265 | |
54b50916 | 1266 | if (prefix && !metric_only) |
13370a9b SE |
1267 | fprintf(output, "%s", prefix); |
1268 | ||
410136f5 | 1269 | uval = avg * counter->scale; |
cb110f47 | 1270 | printout(-1, 0, counter, uval, prefix, avg_running, avg_enabled, avg); |
54b50916 AK |
1271 | if (!metric_only) |
1272 | fprintf(output, "\n"); | |
c04f5e5d IM |
1273 | } |
1274 | ||
f5b4a9c3 SE |
1275 | /* |
1276 | * Print out the results of a single counter: | |
1277 | * does not use aggregated count in system-wide | |
1278 | */ | |
13370a9b | 1279 | static void print_counter(struct perf_evsel *counter, char *prefix) |
f5b4a9c3 | 1280 | { |
5821522e | 1281 | FILE *output = stat_config.output; |
f5b4a9c3 | 1282 | u64 ena, run, val; |
410136f5 | 1283 | double uval; |
f5b4a9c3 SE |
1284 | int cpu; |
1285 | ||
7ae92e74 | 1286 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
a6fa0038 JO |
1287 | val = perf_counts(counter->counts, cpu, 0)->val; |
1288 | ena = perf_counts(counter->counts, cpu, 0)->ena; | |
1289 | run = perf_counts(counter->counts, cpu, 0)->run; | |
13370a9b SE |
1290 | |
1291 | if (prefix) | |
1292 | fprintf(output, "%s", prefix); | |
1293 | ||
410136f5 | 1294 | uval = val * counter->scale; |
cb110f47 | 1295 | printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); |
f5b4a9c3 | 1296 | |
4aa9015f | 1297 | fputc('\n', output); |
f5b4a9c3 SE |
1298 | } |
1299 | } | |
1300 | ||
206cab65 AK |
1301 | static void print_no_aggr_metric(char *prefix) |
1302 | { | |
1303 | int cpu; | |
1304 | int nrcpus = 0; | |
1305 | struct perf_evsel *counter; | |
1306 | u64 ena, run, val; | |
1307 | double uval; | |
1308 | ||
1309 | nrcpus = evsel_list->cpus->nr; | |
1310 | for (cpu = 0; cpu < nrcpus; cpu++) { | |
1311 | bool first = true; | |
1312 | ||
1313 | if (prefix) | |
1314 | fputs(prefix, stat_config.output); | |
e5cadb93 | 1315 | evlist__for_each_entry(evsel_list, counter) { |
206cab65 AK |
1316 | if (first) { |
1317 | aggr_printout(counter, cpu, 0); | |
1318 | first = false; | |
1319 | } | |
1320 | val = perf_counts(counter->counts, cpu, 0)->val; | |
1321 | ena = perf_counts(counter->counts, cpu, 0)->ena; | |
1322 | run = perf_counts(counter->counts, cpu, 0)->run; | |
1323 | ||
1324 | uval = val * counter->scale; | |
1325 | printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); | |
1326 | } | |
1327 | fputc('\n', stat_config.output); | |
1328 | } | |
1329 | } | |
1330 | ||
54b50916 AK |
1331 | static int aggr_header_lens[] = { |
1332 | [AGGR_CORE] = 18, | |
1333 | [AGGR_SOCKET] = 12, | |
206cab65 | 1334 | [AGGR_NONE] = 6, |
54b50916 AK |
1335 | [AGGR_THREAD] = 24, |
1336 | [AGGR_GLOBAL] = 0, | |
1337 | }; | |
1338 | ||
c51fd639 AK |
1339 | static const char *aggr_header_csv[] = { |
1340 | [AGGR_CORE] = "core,cpus,", | |
1341 | [AGGR_SOCKET] = "socket,cpus", | |
1342 | [AGGR_NONE] = "cpu,", | |
1343 | [AGGR_THREAD] = "comm-pid,", | |
1344 | [AGGR_GLOBAL] = "" | |
1345 | }; | |
1346 | ||
41c8ca2a | 1347 | static void print_metric_headers(const char *prefix, bool no_indent) |
54b50916 AK |
1348 | { |
1349 | struct perf_stat_output_ctx out; | |
1350 | struct perf_evsel *counter; | |
1351 | struct outstate os = { | |
1352 | .fh = stat_config.output | |
1353 | }; | |
1354 | ||
1355 | if (prefix) | |
1356 | fprintf(stat_config.output, "%s", prefix); | |
1357 | ||
41c8ca2a | 1358 | if (!csv_output && !no_indent) |
54b50916 AK |
1359 | fprintf(stat_config.output, "%*s", |
1360 | aggr_header_lens[stat_config.aggr_mode], ""); | |
c51fd639 AK |
1361 | if (csv_output) { |
1362 | if (stat_config.interval) | |
1363 | fputs("time,", stat_config.output); | |
1364 | fputs(aggr_header_csv[stat_config.aggr_mode], | |
1365 | stat_config.output); | |
1366 | } | |
54b50916 AK |
1367 | |
1368 | /* Print metrics headers only */ | |
e5cadb93 | 1369 | evlist__for_each_entry(evsel_list, counter) { |
54b50916 AK |
1370 | os.evsel = counter; |
1371 | out.ctx = &os; | |
1372 | out.print_metric = print_metric_header; | |
1373 | out.new_line = new_line_metric; | |
1374 | os.evsel = counter; | |
1375 | perf_stat__print_shadow_stats(counter, 0, | |
1376 | 0, | |
1377 | &out); | |
1378 | } | |
1379 | fputc('\n', stat_config.output); | |
1380 | } | |
1381 | ||
d4f63a47 JO |
1382 | static void print_interval(char *prefix, struct timespec *ts) |
1383 | { | |
5821522e | 1384 | FILE *output = stat_config.output; |
d4f63a47 JO |
1385 | static int num_print_interval; |
1386 | ||
1387 | sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); | |
1388 | ||
41c8ca2a | 1389 | if (num_print_interval == 0 && !csv_output) { |
421a50f3 | 1390 | switch (stat_config.aggr_mode) { |
d4f63a47 | 1391 | case AGGR_SOCKET: |
41c8ca2a AK |
1392 | fprintf(output, "# time socket cpus"); |
1393 | if (!metric_only) | |
1394 | fprintf(output, " counts %*s events\n", unit_width, "unit"); | |
d4f63a47 JO |
1395 | break; |
1396 | case AGGR_CORE: | |
41c8ca2a AK |
1397 | fprintf(output, "# time core cpus"); |
1398 | if (!metric_only) | |
1399 | fprintf(output, " counts %*s events\n", unit_width, "unit"); | |
d4f63a47 JO |
1400 | break; |
1401 | case AGGR_NONE: | |
41c8ca2a AK |
1402 | fprintf(output, "# time CPU"); |
1403 | if (!metric_only) | |
1404 | fprintf(output, " counts %*s events\n", unit_width, "unit"); | |
d4f63a47 | 1405 | break; |
32b8af82 | 1406 | case AGGR_THREAD: |
41c8ca2a AK |
1407 | fprintf(output, "# time comm-pid"); |
1408 | if (!metric_only) | |
1409 | fprintf(output, " counts %*s events\n", unit_width, "unit"); | |
32b8af82 | 1410 | break; |
d4f63a47 JO |
1411 | case AGGR_GLOBAL: |
1412 | default: | |
41c8ca2a AK |
1413 | fprintf(output, "# time"); |
1414 | if (!metric_only) | |
1415 | fprintf(output, " counts %*s events\n", unit_width, "unit"); | |
208df99e JO |
1416 | case AGGR_UNSET: |
1417 | break; | |
d4f63a47 JO |
1418 | } |
1419 | } | |
1420 | ||
41c8ca2a AK |
1421 | if (num_print_interval == 0 && metric_only) |
1422 | print_metric_headers(" ", true); | |
d4f63a47 JO |
1423 | if (++num_print_interval == 25) |
1424 | num_print_interval = 0; | |
1425 | } | |
1426 | ||
1427 | static void print_header(int argc, const char **argv) | |
42202dd5 | 1428 | { |
5821522e | 1429 | FILE *output = stat_config.output; |
69aad6f1 | 1430 | int i; |
42202dd5 | 1431 | |
ddcacfa0 IM |
1432 | fflush(stdout); |
1433 | ||
d7470b6a | 1434 | if (!csv_output) { |
4aa9015f SE |
1435 | fprintf(output, "\n"); |
1436 | fprintf(output, " Performance counter stats for "); | |
62d3b617 DA |
1437 | if (target.system_wide) |
1438 | fprintf(output, "\'system wide"); | |
1439 | else if (target.cpu_list) | |
1440 | fprintf(output, "\'CPU(s) %s", target.cpu_list); | |
602ad878 | 1441 | else if (!target__has_task(&target)) { |
ba6039b6 JO |
1442 | fprintf(output, "\'%s", argv ? argv[0] : "pipe"); |
1443 | for (i = 1; argv && (i < argc); i++) | |
4aa9015f | 1444 | fprintf(output, " %s", argv[i]); |
20f946b4 NK |
1445 | } else if (target.pid) |
1446 | fprintf(output, "process id \'%s", target.pid); | |
d7470b6a | 1447 | else |
20f946b4 | 1448 | fprintf(output, "thread id \'%s", target.tid); |
44db76c8 | 1449 | |
4aa9015f | 1450 | fprintf(output, "\'"); |
d7470b6a | 1451 | if (run_count > 1) |
4aa9015f SE |
1452 | fprintf(output, " (%d runs)", run_count); |
1453 | fprintf(output, ":\n\n"); | |
d7470b6a | 1454 | } |
d4f63a47 JO |
1455 | } |
1456 | ||
1457 | static void print_footer(void) | |
1458 | { | |
5821522e JO |
1459 | FILE *output = stat_config.output; |
1460 | ||
d4f63a47 JO |
1461 | if (!null_run) |
1462 | fprintf(output, "\n"); | |
1463 | fprintf(output, " %17.9f seconds time elapsed", | |
1464 | avg_stats(&walltime_nsecs_stats)/1e9); | |
1465 | if (run_count > 1) { | |
1466 | fprintf(output, " "); | |
1467 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), | |
1468 | avg_stats(&walltime_nsecs_stats)); | |
1469 | } | |
1470 | fprintf(output, "\n\n"); | |
1471 | } | |
1472 | ||
1473 | static void print_counters(struct timespec *ts, int argc, const char **argv) | |
1474 | { | |
ec0d3d1f | 1475 | int interval = stat_config.interval; |
d4f63a47 JO |
1476 | struct perf_evsel *counter; |
1477 | char buf[64], *prefix = NULL; | |
1478 | ||
664c98d4 JO |
1479 | /* Do not print anything if we record to the pipe. */ |
1480 | if (STAT_RECORD && perf_stat.file.is_pipe) | |
1481 | return; | |
1482 | ||
d4f63a47 JO |
1483 | if (interval) |
1484 | print_interval(prefix = buf, ts); | |
1485 | else | |
1486 | print_header(argc, argv); | |
2996f5dd | 1487 | |
54b50916 AK |
1488 | if (metric_only) { |
1489 | static int num_print_iv; | |
1490 | ||
41c8ca2a AK |
1491 | if (num_print_iv == 0 && !interval) |
1492 | print_metric_headers(prefix, false); | |
54b50916 AK |
1493 | if (num_print_iv++ == 25) |
1494 | num_print_iv = 0; | |
1495 | if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) | |
1496 | fprintf(stat_config.output, "%s", prefix); | |
1497 | } | |
1498 | ||
421a50f3 | 1499 | switch (stat_config.aggr_mode) { |
12c08a9f | 1500 | case AGGR_CORE: |
86ee6e18 | 1501 | case AGGR_SOCKET: |
d4f63a47 | 1502 | print_aggr(prefix); |
86ee6e18 | 1503 | break; |
32b8af82 | 1504 | case AGGR_THREAD: |
e5cadb93 | 1505 | evlist__for_each_entry(evsel_list, counter) |
32b8af82 JO |
1506 | print_aggr_thread(counter, prefix); |
1507 | break; | |
86ee6e18 | 1508 | case AGGR_GLOBAL: |
e5cadb93 | 1509 | evlist__for_each_entry(evsel_list, counter) |
d4f63a47 | 1510 | print_counter_aggr(counter, prefix); |
54b50916 AK |
1511 | if (metric_only) |
1512 | fputc('\n', stat_config.output); | |
86ee6e18 SE |
1513 | break; |
1514 | case AGGR_NONE: | |
206cab65 AK |
1515 | if (metric_only) |
1516 | print_no_aggr_metric(prefix); | |
1517 | else { | |
e5cadb93 | 1518 | evlist__for_each_entry(evsel_list, counter) |
206cab65 AK |
1519 | print_counter(counter, prefix); |
1520 | } | |
86ee6e18 | 1521 | break; |
208df99e | 1522 | case AGGR_UNSET: |
86ee6e18 SE |
1523 | default: |
1524 | break; | |
f5b4a9c3 | 1525 | } |
ddcacfa0 | 1526 | |
d4f63a47 JO |
1527 | if (!interval && !csv_output) |
1528 | print_footer(); | |
1529 | ||
5821522e | 1530 | fflush(stat_config.output); |
ddcacfa0 IM |
1531 | } |
1532 | ||
f7b7c26e PZ |
1533 | static volatile int signr = -1; |
1534 | ||
5242519b | 1535 | static void skip_signal(int signo) |
ddcacfa0 | 1536 | { |
ec0d3d1f | 1537 | if ((child_pid == -1) || stat_config.interval) |
60666c63 LW |
1538 | done = 1; |
1539 | ||
f7b7c26e | 1540 | signr = signo; |
d07f0b12 SE |
1541 | /* |
1542 | * render child_pid harmless | |
1543 | * won't send SIGTERM to a random | |
1544 | * process in case of race condition | |
1545 | * and fast PID recycling | |
1546 | */ | |
1547 | child_pid = -1; | |
f7b7c26e PZ |
1548 | } |
1549 | ||
1550 | static void sig_atexit(void) | |
1551 | { | |
d07f0b12 SE |
1552 | sigset_t set, oset; |
1553 | ||
1554 | /* | |
1555 | * avoid race condition with SIGCHLD handler | |
1556 | * in skip_signal() which is modifying child_pid | |
1557 | * goal is to avoid send SIGTERM to a random | |
1558 | * process | |
1559 | */ | |
1560 | sigemptyset(&set); | |
1561 | sigaddset(&set, SIGCHLD); | |
1562 | sigprocmask(SIG_BLOCK, &set, &oset); | |
1563 | ||
933da83a CW |
1564 | if (child_pid != -1) |
1565 | kill(child_pid, SIGTERM); | |
1566 | ||
d07f0b12 SE |
1567 | sigprocmask(SIG_SETMASK, &oset, NULL); |
1568 | ||
f7b7c26e PZ |
1569 | if (signr == -1) |
1570 | return; | |
1571 | ||
1572 | signal(signr, SIG_DFL); | |
1573 | kill(getpid(), signr); | |
5242519b IM |
1574 | } |
1575 | ||
1d037ca1 IT |
1576 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
1577 | const char *s __maybe_unused, int unset) | |
d7470b6a SE |
1578 | { |
1579 | big_num_opt = unset ? 0 : 1; | |
1580 | return 0; | |
1581 | } | |
1582 | ||
44b1e60a AK |
1583 | static int enable_metric_only(const struct option *opt __maybe_unused, |
1584 | const char *s __maybe_unused, int unset) | |
1585 | { | |
1586 | force_metric_only = true; | |
1587 | metric_only = !unset; | |
1588 | return 0; | |
1589 | } | |
1590 | ||
e0547311 JO |
1591 | static const struct option stat_options[] = { |
1592 | OPT_BOOLEAN('T', "transaction", &transaction_run, | |
1593 | "hardware transaction statistics"), | |
1594 | OPT_CALLBACK('e', "event", &evsel_list, "event", | |
1595 | "event selector. use 'perf list' to list available events", | |
1596 | parse_events_option), | |
1597 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", | |
1598 | "event filter", parse_filter), | |
1599 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, | |
1600 | "child tasks do not inherit counters"), | |
1601 | OPT_STRING('p', "pid", &target.pid, "pid", | |
1602 | "stat events on existing process id"), | |
1603 | OPT_STRING('t', "tid", &target.tid, "tid", | |
1604 | "stat events on existing thread id"), | |
1605 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, | |
1606 | "system-wide collection from all CPUs"), | |
1607 | OPT_BOOLEAN('g', "group", &group, | |
1608 | "put the counters into a counter group"), | |
1609 | OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), | |
1610 | OPT_INCR('v', "verbose", &verbose, | |
1611 | "be more verbose (show counter open errors, etc)"), | |
1612 | OPT_INTEGER('r', "repeat", &run_count, | |
1613 | "repeat command and print average + stddev (max: 100, forever: 0)"), | |
1614 | OPT_BOOLEAN('n', "null", &null_run, | |
1615 | "null run - dont start any counters"), | |
1616 | OPT_INCR('d', "detailed", &detailed_run, | |
1617 | "detailed run - start a lot of events"), | |
1618 | OPT_BOOLEAN('S', "sync", &sync_run, | |
1619 | "call sync() before starting a run"), | |
1620 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, | |
1621 | "print large numbers with thousands\' separators", | |
1622 | stat__set_big_num), | |
1623 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", | |
1624 | "list of cpus to monitor in system-wide"), | |
1625 | OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, | |
1626 | "disable CPU count aggregation", AGGR_NONE), | |
1627 | OPT_STRING('x', "field-separator", &csv_sep, "separator", | |
1628 | "print counts with custom separator"), | |
1629 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", | |
1630 | "monitor event in cgroup name only", parse_cgroups), | |
1631 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1632 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), | |
1633 | OPT_INTEGER(0, "log-fd", &output_fd, | |
1634 | "log output to fd, instead of stderr"), | |
1635 | OPT_STRING(0, "pre", &pre_cmd, "command", | |
1636 | "command to run prior to the measured command"), | |
1637 | OPT_STRING(0, "post", &post_cmd, "command", | |
1638 | "command to run after to the measured command"), | |
1639 | OPT_UINTEGER('I', "interval-print", &stat_config.interval, | |
1640 | "print counts at regular interval in ms (>= 10)"), | |
1641 | OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, | |
1642 | "aggregate counts per processor socket", AGGR_SOCKET), | |
1643 | OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, | |
1644 | "aggregate counts per physical processor core", AGGR_CORE), | |
1645 | OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, | |
1646 | "aggregate counts per thread", AGGR_THREAD), | |
1647 | OPT_UINTEGER('D', "delay", &initial_delay, | |
1648 | "ms to wait before starting measurement after program start"), | |
44b1e60a AK |
1649 | OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL, |
1650 | "Only print computed metrics. No raw values", enable_metric_only), | |
1651 | OPT_BOOLEAN(0, "topdown", &topdown_run, | |
1652 | "measure topdown level 1 statistics"), | |
e0547311 JO |
1653 | OPT_END() |
1654 | }; | |
1655 | ||
1fe7a300 JO |
1656 | static int perf_stat__get_socket(struct cpu_map *map, int cpu) |
1657 | { | |
1658 | return cpu_map__get_socket(map, cpu, NULL); | |
1659 | } | |
1660 | ||
1661 | static int perf_stat__get_core(struct cpu_map *map, int cpu) | |
1662 | { | |
1663 | return cpu_map__get_core(map, cpu, NULL); | |
1664 | } | |
1665 | ||
1e5a2931 JO |
1666 | static int cpu_map__get_max(struct cpu_map *map) |
1667 | { | |
1668 | int i, max = -1; | |
1669 | ||
1670 | for (i = 0; i < map->nr; i++) { | |
1671 | if (map->map[i] > max) | |
1672 | max = map->map[i]; | |
1673 | } | |
1674 | ||
1675 | return max; | |
1676 | } | |
1677 | ||
1678 | static struct cpu_map *cpus_aggr_map; | |
1679 | ||
1680 | static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) | |
1681 | { | |
1682 | int cpu; | |
1683 | ||
1684 | if (idx >= map->nr) | |
1685 | return -1; | |
1686 | ||
1687 | cpu = map->map[idx]; | |
1688 | ||
1689 | if (cpus_aggr_map->map[cpu] == -1) | |
1690 | cpus_aggr_map->map[cpu] = get_id(map, idx); | |
1691 | ||
1692 | return cpus_aggr_map->map[cpu]; | |
1693 | } | |
1694 | ||
1695 | static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) | |
1696 | { | |
1697 | return perf_stat__get_aggr(perf_stat__get_socket, map, idx); | |
1698 | } | |
1699 | ||
1700 | static int perf_stat__get_core_cached(struct cpu_map *map, int idx) | |
1701 | { | |
1702 | return perf_stat__get_aggr(perf_stat__get_core, map, idx); | |
1703 | } | |
1704 | ||
86ee6e18 SE |
1705 | static int perf_stat_init_aggr_mode(void) |
1706 | { | |
1e5a2931 JO |
1707 | int nr; |
1708 | ||
421a50f3 | 1709 | switch (stat_config.aggr_mode) { |
86ee6e18 SE |
1710 | case AGGR_SOCKET: |
1711 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { | |
1712 | perror("cannot build socket map"); | |
1713 | return -1; | |
1714 | } | |
1e5a2931 | 1715 | aggr_get_id = perf_stat__get_socket_cached; |
86ee6e18 | 1716 | break; |
12c08a9f SE |
1717 | case AGGR_CORE: |
1718 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { | |
1719 | perror("cannot build core map"); | |
1720 | return -1; | |
1721 | } | |
1e5a2931 | 1722 | aggr_get_id = perf_stat__get_core_cached; |
12c08a9f | 1723 | break; |
86ee6e18 SE |
1724 | case AGGR_NONE: |
1725 | case AGGR_GLOBAL: | |
32b8af82 | 1726 | case AGGR_THREAD: |
208df99e | 1727 | case AGGR_UNSET: |
86ee6e18 SE |
1728 | default: |
1729 | break; | |
1730 | } | |
1e5a2931 JO |
1731 | |
1732 | /* | |
1733 | * The evsel_list->cpus is the base we operate on, | |
1734 | * taking the highest cpu number to be the size of | |
1735 | * the aggregation translate cpumap. | |
1736 | */ | |
1737 | nr = cpu_map__get_max(evsel_list->cpus); | |
1738 | cpus_aggr_map = cpu_map__empty_new(nr + 1); | |
1739 | return cpus_aggr_map ? 0 : -ENOMEM; | |
86ee6e18 SE |
1740 | } |
1741 | ||
544c2ae7 MH |
1742 | static void perf_stat__exit_aggr_mode(void) |
1743 | { | |
1744 | cpu_map__put(aggr_map); | |
1745 | cpu_map__put(cpus_aggr_map); | |
1746 | aggr_map = NULL; | |
1747 | cpus_aggr_map = NULL; | |
1748 | } | |
1749 | ||
68d702f7 JO |
1750 | static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) |
1751 | { | |
1752 | int cpu; | |
1753 | ||
1754 | if (idx > map->nr) | |
1755 | return -1; | |
1756 | ||
1757 | cpu = map->map[idx]; | |
1758 | ||
1759 | if (cpu >= env->nr_cpus_online) | |
1760 | return -1; | |
1761 | ||
1762 | return cpu; | |
1763 | } | |
1764 | ||
1765 | static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) | |
1766 | { | |
1767 | struct perf_env *env = data; | |
1768 | int cpu = perf_env__get_cpu(env, map, idx); | |
1769 | ||
1770 | return cpu == -1 ? -1 : env->cpu[cpu].socket_id; | |
1771 | } | |
1772 | ||
1773 | static int perf_env__get_core(struct cpu_map *map, int idx, void *data) | |
1774 | { | |
1775 | struct perf_env *env = data; | |
1776 | int core = -1, cpu = perf_env__get_cpu(env, map, idx); | |
1777 | ||
1778 | if (cpu != -1) { | |
1779 | int socket_id = env->cpu[cpu].socket_id; | |
1780 | ||
1781 | /* | |
1782 | * Encode socket in upper 16 bits | |
1783 | * core_id is relative to socket, and | |
1784 | * we need a global id. So we combine | |
1785 | * socket + core id. | |
1786 | */ | |
1787 | core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); | |
1788 | } | |
1789 | ||
1790 | return core; | |
1791 | } | |
1792 | ||
1793 | static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, | |
1794 | struct cpu_map **sockp) | |
1795 | { | |
1796 | return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); | |
1797 | } | |
1798 | ||
1799 | static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, | |
1800 | struct cpu_map **corep) | |
1801 | { | |
1802 | return cpu_map__build_map(cpus, corep, perf_env__get_core, env); | |
1803 | } | |
1804 | ||
1805 | static int perf_stat__get_socket_file(struct cpu_map *map, int idx) | |
1806 | { | |
1807 | return perf_env__get_socket(map, idx, &perf_stat.session->header.env); | |
1808 | } | |
1809 | ||
1810 | static int perf_stat__get_core_file(struct cpu_map *map, int idx) | |
1811 | { | |
1812 | return perf_env__get_core(map, idx, &perf_stat.session->header.env); | |
1813 | } | |
1814 | ||
1815 | static int perf_stat_init_aggr_mode_file(struct perf_stat *st) | |
1816 | { | |
1817 | struct perf_env *env = &st->session->header.env; | |
1818 | ||
1819 | switch (stat_config.aggr_mode) { | |
1820 | case AGGR_SOCKET: | |
1821 | if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { | |
1822 | perror("cannot build socket map"); | |
1823 | return -1; | |
1824 | } | |
1825 | aggr_get_id = perf_stat__get_socket_file; | |
1826 | break; | |
1827 | case AGGR_CORE: | |
1828 | if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { | |
1829 | perror("cannot build core map"); | |
1830 | return -1; | |
1831 | } | |
1832 | aggr_get_id = perf_stat__get_core_file; | |
1833 | break; | |
1834 | case AGGR_NONE: | |
1835 | case AGGR_GLOBAL: | |
1836 | case AGGR_THREAD: | |
1837 | case AGGR_UNSET: | |
1838 | default: | |
1839 | break; | |
1840 | } | |
1841 | ||
1842 | return 0; | |
1843 | } | |
1844 | ||
44b1e60a AK |
1845 | static int topdown_filter_events(const char **attr, char **str, bool use_group) |
1846 | { | |
1847 | int off = 0; | |
1848 | int i; | |
1849 | int len = 0; | |
1850 | char *s; | |
1851 | ||
1852 | for (i = 0; attr[i]; i++) { | |
1853 | if (pmu_have_event("cpu", attr[i])) { | |
1854 | len += strlen(attr[i]) + 1; | |
1855 | attr[i - off] = attr[i]; | |
1856 | } else | |
1857 | off++; | |
1858 | } | |
1859 | attr[i - off] = NULL; | |
1860 | ||
1861 | *str = malloc(len + 1 + 2); | |
1862 | if (!*str) | |
1863 | return -1; | |
1864 | s = *str; | |
1865 | if (i - off == 0) { | |
1866 | *s = 0; | |
1867 | return 0; | |
1868 | } | |
1869 | if (use_group) | |
1870 | *s++ = '{'; | |
1871 | for (i = 0; attr[i]; i++) { | |
1872 | strcpy(s, attr[i]); | |
1873 | s += strlen(s); | |
1874 | *s++ = ','; | |
1875 | } | |
1876 | if (use_group) { | |
1877 | s[-1] = '}'; | |
1878 | *s = 0; | |
1879 | } else | |
1880 | s[-1] = 0; | |
1881 | return 0; | |
1882 | } | |
1883 | ||
1884 | __weak bool arch_topdown_check_group(bool *warn) | |
1885 | { | |
1886 | *warn = false; | |
1887 | return false; | |
1888 | } | |
1889 | ||
1890 | __weak void arch_topdown_group_warn(void) | |
1891 | { | |
1892 | } | |
1893 | ||
2cba3ffb IM |
1894 | /* |
1895 | * Add default attributes, if there were no attributes specified or | |
1896 | * if -d/--detailed, -d -d or -d -d -d is used: | |
1897 | */ | |
1898 | static int add_default_attributes(void) | |
1899 | { | |
44b1e60a | 1900 | int err; |
9dec4473 | 1901 | struct perf_event_attr default_attrs0[] = { |
b070a547 ACM |
1902 | |
1903 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, | |
1904 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, | |
1905 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, | |
1906 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, | |
1907 | ||
1908 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, | |
9dec4473 AK |
1909 | }; |
1910 | struct perf_event_attr frontend_attrs[] = { | |
b070a547 | 1911 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, |
9dec4473 AK |
1912 | }; |
1913 | struct perf_event_attr backend_attrs[] = { | |
b070a547 | 1914 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, |
9dec4473 AK |
1915 | }; |
1916 | struct perf_event_attr default_attrs1[] = { | |
b070a547 ACM |
1917 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, |
1918 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, | |
1919 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, | |
1920 | ||
1921 | }; | |
1922 | ||
1923 | /* | |
1924 | * Detailed stats (-d), covering the L1 and last level data caches: | |
1925 | */ | |
1926 | struct perf_event_attr detailed_attrs[] = { | |
1927 | ||
1928 | { .type = PERF_TYPE_HW_CACHE, | |
1929 | .config = | |
1930 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1931 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1932 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1933 | ||
1934 | { .type = PERF_TYPE_HW_CACHE, | |
1935 | .config = | |
1936 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1937 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1938 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1939 | ||
1940 | { .type = PERF_TYPE_HW_CACHE, | |
1941 | .config = | |
1942 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1943 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1944 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1945 | ||
1946 | { .type = PERF_TYPE_HW_CACHE, | |
1947 | .config = | |
1948 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1949 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1950 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1951 | }; | |
1952 | ||
1953 | /* | |
1954 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: | |
1955 | */ | |
1956 | struct perf_event_attr very_detailed_attrs[] = { | |
1957 | ||
1958 | { .type = PERF_TYPE_HW_CACHE, | |
1959 | .config = | |
1960 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1961 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1962 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1963 | ||
1964 | { .type = PERF_TYPE_HW_CACHE, | |
1965 | .config = | |
1966 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1967 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1968 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1969 | ||
1970 | { .type = PERF_TYPE_HW_CACHE, | |
1971 | .config = | |
1972 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1973 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1974 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1975 | ||
1976 | { .type = PERF_TYPE_HW_CACHE, | |
1977 | .config = | |
1978 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1979 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1980 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1981 | ||
1982 | { .type = PERF_TYPE_HW_CACHE, | |
1983 | .config = | |
1984 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1985 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1986 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1987 | ||
1988 | { .type = PERF_TYPE_HW_CACHE, | |
1989 | .config = | |
1990 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1991 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1992 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1993 | ||
1994 | }; | |
1995 | ||
1996 | /* | |
1997 | * Very, very detailed stats (-d -d -d), adding prefetch events: | |
1998 | */ | |
1999 | struct perf_event_attr very_very_detailed_attrs[] = { | |
2000 | ||
2001 | { .type = PERF_TYPE_HW_CACHE, | |
2002 | .config = | |
2003 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
2004 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
2005 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
2006 | ||
2007 | { .type = PERF_TYPE_HW_CACHE, | |
2008 | .config = | |
2009 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
2010 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
2011 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
2012 | }; | |
2013 | ||
2cba3ffb IM |
2014 | /* Set attrs if no event is selected and !null_run: */ |
2015 | if (null_run) | |
2016 | return 0; | |
2017 | ||
4cabc3d1 | 2018 | if (transaction_run) { |
4cabc3d1 AK |
2019 | if (pmu_have_event("cpu", "cycles-ct") && |
2020 | pmu_have_event("cpu", "el-start")) | |
a454742c | 2021 | err = parse_events(evsel_list, transaction_attrs, NULL); |
4cabc3d1 | 2022 | else |
a454742c JO |
2023 | err = parse_events(evsel_list, transaction_limited_attrs, NULL); |
2024 | if (err) { | |
4cabc3d1 AK |
2025 | fprintf(stderr, "Cannot set up transaction events\n"); |
2026 | return -1; | |
2027 | } | |
2028 | return 0; | |
2029 | } | |
2030 | ||
44b1e60a AK |
2031 | if (topdown_run) { |
2032 | char *str = NULL; | |
2033 | bool warn = false; | |
2034 | ||
2035 | if (stat_config.aggr_mode != AGGR_GLOBAL && | |
2036 | stat_config.aggr_mode != AGGR_CORE) { | |
2037 | pr_err("top down event configuration requires --per-core mode\n"); | |
2038 | return -1; | |
2039 | } | |
2040 | stat_config.aggr_mode = AGGR_CORE; | |
2041 | if (nr_cgroups || !target__has_cpu(&target)) { | |
2042 | pr_err("top down event configuration requires system-wide mode (-a)\n"); | |
2043 | return -1; | |
2044 | } | |
2045 | ||
2046 | if (!force_metric_only) | |
2047 | metric_only = true; | |
2048 | if (topdown_filter_events(topdown_attrs, &str, | |
2049 | arch_topdown_check_group(&warn)) < 0) { | |
2050 | pr_err("Out of memory\n"); | |
2051 | return -1; | |
2052 | } | |
2053 | if (topdown_attrs[0] && str) { | |
2054 | if (warn) | |
2055 | arch_topdown_group_warn(); | |
2056 | err = parse_events(evsel_list, str, NULL); | |
2057 | if (err) { | |
2058 | fprintf(stderr, | |
2059 | "Cannot set up top down events %s: %d\n", | |
2060 | str, err); | |
2061 | free(str); | |
2062 | return -1; | |
2063 | } | |
2064 | } else { | |
2065 | fprintf(stderr, "System does not support topdown\n"); | |
2066 | return -1; | |
2067 | } | |
2068 | free(str); | |
2069 | } | |
2070 | ||
2cba3ffb | 2071 | if (!evsel_list->nr_entries) { |
a1f3d567 NK |
2072 | if (target__has_cpu(&target)) |
2073 | default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; | |
2074 | ||
9dec4473 AK |
2075 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) |
2076 | return -1; | |
2077 | if (pmu_have_event("cpu", "stalled-cycles-frontend")) { | |
2078 | if (perf_evlist__add_default_attrs(evsel_list, | |
2079 | frontend_attrs) < 0) | |
2080 | return -1; | |
2081 | } | |
2082 | if (pmu_have_event("cpu", "stalled-cycles-backend")) { | |
2083 | if (perf_evlist__add_default_attrs(evsel_list, | |
2084 | backend_attrs) < 0) | |
2085 | return -1; | |
2086 | } | |
2087 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) | |
50d08e47 | 2088 | return -1; |
2cba3ffb IM |
2089 | } |
2090 | ||
2091 | /* Detailed events get appended to the event list: */ | |
2092 | ||
2093 | if (detailed_run < 1) | |
2094 | return 0; | |
2095 | ||
2096 | /* Append detailed run extra attributes: */ | |
79695e1b | 2097 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
50d08e47 | 2098 | return -1; |
2cba3ffb IM |
2099 | |
2100 | if (detailed_run < 2) | |
2101 | return 0; | |
2102 | ||
2103 | /* Append very detailed run extra attributes: */ | |
79695e1b | 2104 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
50d08e47 | 2105 | return -1; |
2cba3ffb IM |
2106 | |
2107 | if (detailed_run < 3) | |
2108 | return 0; | |
2109 | ||
2110 | /* Append very, very detailed run extra attributes: */ | |
79695e1b | 2111 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
2cba3ffb IM |
2112 | } |
2113 | ||
8a59f3cc | 2114 | static const char * const stat_record_usage[] = { |
4979d0c7 JO |
2115 | "perf stat record [<options>]", |
2116 | NULL, | |
2117 | }; | |
2118 | ||
3ba78bd0 JO |
2119 | static void init_features(struct perf_session *session) |
2120 | { | |
2121 | int feat; | |
2122 | ||
2123 | for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) | |
2124 | perf_header__set_feat(&session->header, feat); | |
2125 | ||
2126 | perf_header__clear_feat(&session->header, HEADER_BUILD_ID); | |
2127 | perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); | |
2128 | perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); | |
2129 | perf_header__clear_feat(&session->header, HEADER_AUXTRACE); | |
2130 | } | |
2131 | ||
4979d0c7 JO |
2132 | static int __cmd_record(int argc, const char **argv) |
2133 | { | |
2134 | struct perf_session *session; | |
2135 | struct perf_data_file *file = &perf_stat.file; | |
2136 | ||
8a59f3cc | 2137 | argc = parse_options(argc, argv, stat_options, stat_record_usage, |
4979d0c7 JO |
2138 | PARSE_OPT_STOP_AT_NON_OPTION); |
2139 | ||
2140 | if (output_name) | |
2141 | file->path = output_name; | |
2142 | ||
e9d6db8e JO |
2143 | if (run_count != 1 || forever) { |
2144 | pr_err("Cannot use -r option with perf stat record.\n"); | |
2145 | return -1; | |
2146 | } | |
2147 | ||
4979d0c7 JO |
2148 | session = perf_session__new(file, false, NULL); |
2149 | if (session == NULL) { | |
2150 | pr_err("Perf session creation failed.\n"); | |
2151 | return -1; | |
2152 | } | |
2153 | ||
3ba78bd0 JO |
2154 | init_features(session); |
2155 | ||
4979d0c7 JO |
2156 | session->evlist = evsel_list; |
2157 | perf_stat.session = session; | |
2158 | perf_stat.record = true; | |
2159 | return argc; | |
2160 | } | |
2161 | ||
a56f9390 JO |
2162 | static int process_stat_round_event(struct perf_tool *tool __maybe_unused, |
2163 | union perf_event *event, | |
2164 | struct perf_session *session) | |
2165 | { | |
e3b03b6c | 2166 | struct stat_round_event *stat_round = &event->stat_round; |
a56f9390 JO |
2167 | struct perf_evsel *counter; |
2168 | struct timespec tsh, *ts = NULL; | |
2169 | const char **argv = session->header.env.cmdline_argv; | |
2170 | int argc = session->header.env.nr_cmdline; | |
2171 | ||
e5cadb93 | 2172 | evlist__for_each_entry(evsel_list, counter) |
a56f9390 JO |
2173 | perf_stat_process_counter(&stat_config, counter); |
2174 | ||
e3b03b6c AK |
2175 | if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) |
2176 | update_stats(&walltime_nsecs_stats, stat_round->time); | |
a56f9390 | 2177 | |
e3b03b6c | 2178 | if (stat_config.interval && stat_round->time) { |
bd48c63e ACM |
2179 | tsh.tv_sec = stat_round->time / NSEC_PER_SEC; |
2180 | tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; | |
a56f9390 JO |
2181 | ts = &tsh; |
2182 | } | |
2183 | ||
2184 | print_counters(ts, argc, argv); | |
2185 | return 0; | |
2186 | } | |
2187 | ||
62ba18ba JO |
2188 | static |
2189 | int process_stat_config_event(struct perf_tool *tool __maybe_unused, | |
2190 | union perf_event *event, | |
2191 | struct perf_session *session __maybe_unused) | |
2192 | { | |
68d702f7 JO |
2193 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); |
2194 | ||
62ba18ba | 2195 | perf_event__read_stat_config(&stat_config, &event->stat_config); |
68d702f7 | 2196 | |
89af4e05 JO |
2197 | if (cpu_map__empty(st->cpus)) { |
2198 | if (st->aggr_mode != AGGR_UNSET) | |
2199 | pr_warning("warning: processing task data, aggregation mode not set\n"); | |
2200 | return 0; | |
2201 | } | |
2202 | ||
2203 | if (st->aggr_mode != AGGR_UNSET) | |
2204 | stat_config.aggr_mode = st->aggr_mode; | |
2205 | ||
68d702f7 JO |
2206 | if (perf_stat.file.is_pipe) |
2207 | perf_stat_init_aggr_mode(); | |
2208 | else | |
2209 | perf_stat_init_aggr_mode_file(st); | |
2210 | ||
62ba18ba JO |
2211 | return 0; |
2212 | } | |
2213 | ||
1975d36e JO |
2214 | static int set_maps(struct perf_stat *st) |
2215 | { | |
2216 | if (!st->cpus || !st->threads) | |
2217 | return 0; | |
2218 | ||
2219 | if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) | |
2220 | return -EINVAL; | |
2221 | ||
2222 | perf_evlist__set_maps(evsel_list, st->cpus, st->threads); | |
2223 | ||
2224 | if (perf_evlist__alloc_stats(evsel_list, true)) | |
2225 | return -ENOMEM; | |
2226 | ||
2227 | st->maps_allocated = true; | |
2228 | return 0; | |
2229 | } | |
2230 | ||
2231 | static | |
2232 | int process_thread_map_event(struct perf_tool *tool __maybe_unused, | |
2233 | union perf_event *event, | |
2234 | struct perf_session *session __maybe_unused) | |
2235 | { | |
2236 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); | |
2237 | ||
2238 | if (st->threads) { | |
2239 | pr_warning("Extra thread map event, ignoring.\n"); | |
2240 | return 0; | |
2241 | } | |
2242 | ||
2243 | st->threads = thread_map__new_event(&event->thread_map); | |
2244 | if (!st->threads) | |
2245 | return -ENOMEM; | |
2246 | ||
2247 | return set_maps(st); | |
2248 | } | |
2249 | ||
2250 | static | |
2251 | int process_cpu_map_event(struct perf_tool *tool __maybe_unused, | |
2252 | union perf_event *event, | |
2253 | struct perf_session *session __maybe_unused) | |
2254 | { | |
2255 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); | |
2256 | struct cpu_map *cpus; | |
2257 | ||
2258 | if (st->cpus) { | |
2259 | pr_warning("Extra cpu map event, ignoring.\n"); | |
2260 | return 0; | |
2261 | } | |
2262 | ||
2263 | cpus = cpu_map__new_data(&event->cpu_map.data); | |
2264 | if (!cpus) | |
2265 | return -ENOMEM; | |
2266 | ||
2267 | st->cpus = cpus; | |
2268 | return set_maps(st); | |
2269 | } | |
2270 | ||
8a59f3cc | 2271 | static const char * const stat_report_usage[] = { |
ba6039b6 JO |
2272 | "perf stat report [<options>]", |
2273 | NULL, | |
2274 | }; | |
2275 | ||
2276 | static struct perf_stat perf_stat = { | |
2277 | .tool = { | |
2278 | .attr = perf_event__process_attr, | |
fa6ea781 | 2279 | .event_update = perf_event__process_event_update, |
1975d36e JO |
2280 | .thread_map = process_thread_map_event, |
2281 | .cpu_map = process_cpu_map_event, | |
62ba18ba | 2282 | .stat_config = process_stat_config_event, |
a56f9390 JO |
2283 | .stat = perf_event__process_stat_event, |
2284 | .stat_round = process_stat_round_event, | |
ba6039b6 | 2285 | }, |
89af4e05 | 2286 | .aggr_mode = AGGR_UNSET, |
ba6039b6 JO |
2287 | }; |
2288 | ||
2289 | static int __cmd_report(int argc, const char **argv) | |
2290 | { | |
2291 | struct perf_session *session; | |
2292 | const struct option options[] = { | |
2293 | OPT_STRING('i', "input", &input_name, "file", "input file name"), | |
89af4e05 JO |
2294 | OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, |
2295 | "aggregate counts per processor socket", AGGR_SOCKET), | |
2296 | OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, | |
2297 | "aggregate counts per physical processor core", AGGR_CORE), | |
2298 | OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, | |
2299 | "disable CPU count aggregation", AGGR_NONE), | |
ba6039b6 JO |
2300 | OPT_END() |
2301 | }; | |
2302 | struct stat st; | |
2303 | int ret; | |
2304 | ||
8a59f3cc | 2305 | argc = parse_options(argc, argv, options, stat_report_usage, 0); |
ba6039b6 JO |
2306 | |
2307 | if (!input_name || !strlen(input_name)) { | |
2308 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
2309 | input_name = "-"; | |
2310 | else | |
2311 | input_name = "perf.data"; | |
2312 | } | |
2313 | ||
2314 | perf_stat.file.path = input_name; | |
2315 | perf_stat.file.mode = PERF_DATA_MODE_READ; | |
2316 | ||
2317 | session = perf_session__new(&perf_stat.file, false, &perf_stat.tool); | |
2318 | if (session == NULL) | |
2319 | return -1; | |
2320 | ||
2321 | perf_stat.session = session; | |
2322 | stat_config.output = stderr; | |
2323 | evsel_list = session->evlist; | |
2324 | ||
2325 | ret = perf_session__process_events(session); | |
2326 | if (ret) | |
2327 | return ret; | |
2328 | ||
2329 | perf_session__delete(session); | |
2330 | return 0; | |
2331 | } | |
2332 | ||
1d037ca1 | 2333 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
5242519b | 2334 | { |
b070a547 ACM |
2335 | const char * const stat_usage[] = { |
2336 | "perf stat [<options>] [<command>]", | |
2337 | NULL | |
2338 | }; | |
cc03c542 | 2339 | int status = -EINVAL, run_idx; |
4aa9015f | 2340 | const char *mode; |
5821522e | 2341 | FILE *output = stderr; |
ec0d3d1f | 2342 | unsigned int interval; |
ba6039b6 | 2343 | const char * const stat_subcommands[] = { "record", "report" }; |
42202dd5 | 2344 | |
5af52b51 SE |
2345 | setlocale(LC_ALL, ""); |
2346 | ||
334fe7a3 | 2347 | evsel_list = perf_evlist__new(); |
361c99a6 ACM |
2348 | if (evsel_list == NULL) |
2349 | return -ENOMEM; | |
2350 | ||
1669e509 | 2351 | parse_events__shrink_config_terms(); |
4979d0c7 JO |
2352 | argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, |
2353 | (const char **) stat_usage, | |
2354 | PARSE_OPT_STOP_AT_NON_OPTION); | |
fb4605ba | 2355 | perf_stat__init_shadow_stats(); |
4979d0c7 | 2356 | |
6edb78a2 JO |
2357 | if (csv_sep) { |
2358 | csv_output = true; | |
2359 | if (!strcmp(csv_sep, "\\t")) | |
2360 | csv_sep = "\t"; | |
2361 | } else | |
2362 | csv_sep = DEFAULT_SEPARATOR; | |
2363 | ||
4979d0c7 JO |
2364 | if (argc && !strncmp(argv[0], "rec", 3)) { |
2365 | argc = __cmd_record(argc, argv); | |
2366 | if (argc < 0) | |
2367 | return -1; | |
ba6039b6 JO |
2368 | } else if (argc && !strncmp(argv[0], "rep", 3)) |
2369 | return __cmd_report(argc, argv); | |
d7470b6a | 2370 | |
ec0d3d1f JO |
2371 | interval = stat_config.interval; |
2372 | ||
4979d0c7 JO |
2373 | /* |
2374 | * For record command the -o is already taken care of. | |
2375 | */ | |
2376 | if (!STAT_RECORD && output_name && strcmp(output_name, "-")) | |
4aa9015f SE |
2377 | output = NULL; |
2378 | ||
56f3bae7 JC |
2379 | if (output_name && output_fd) { |
2380 | fprintf(stderr, "cannot use both --output and --log-fd\n"); | |
e0547311 JO |
2381 | parse_options_usage(stat_usage, stat_options, "o", 1); |
2382 | parse_options_usage(NULL, stat_options, "log-fd", 0); | |
cc03c542 | 2383 | goto out; |
56f3bae7 | 2384 | } |
fc3e4d07 | 2385 | |
54b50916 AK |
2386 | if (metric_only && stat_config.aggr_mode == AGGR_THREAD) { |
2387 | fprintf(stderr, "--metric-only is not supported with --per-thread\n"); | |
2388 | goto out; | |
2389 | } | |
2390 | ||
54b50916 AK |
2391 | if (metric_only && run_count > 1) { |
2392 | fprintf(stderr, "--metric-only is not supported with -r\n"); | |
2393 | goto out; | |
2394 | } | |
2395 | ||
fc3e4d07 SE |
2396 | if (output_fd < 0) { |
2397 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); | |
e0547311 | 2398 | parse_options_usage(stat_usage, stat_options, "log-fd", 0); |
cc03c542 | 2399 | goto out; |
fc3e4d07 SE |
2400 | } |
2401 | ||
4aa9015f SE |
2402 | if (!output) { |
2403 | struct timespec tm; | |
2404 | mode = append_file ? "a" : "w"; | |
2405 | ||
2406 | output = fopen(output_name, mode); | |
2407 | if (!output) { | |
2408 | perror("failed to create output file"); | |
fceda7fe | 2409 | return -1; |
4aa9015f SE |
2410 | } |
2411 | clock_gettime(CLOCK_REALTIME, &tm); | |
2412 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); | |
fc3e4d07 | 2413 | } else if (output_fd > 0) { |
56f3bae7 JC |
2414 | mode = append_file ? "a" : "w"; |
2415 | output = fdopen(output_fd, mode); | |
2416 | if (!output) { | |
2417 | perror("Failed opening logfd"); | |
2418 | return -errno; | |
2419 | } | |
4aa9015f SE |
2420 | } |
2421 | ||
5821522e JO |
2422 | stat_config.output = output; |
2423 | ||
d7470b6a SE |
2424 | /* |
2425 | * let the spreadsheet do the pretty-printing | |
2426 | */ | |
2427 | if (csv_output) { | |
61a9f324 | 2428 | /* User explicitly passed -B? */ |
d7470b6a SE |
2429 | if (big_num_opt == 1) { |
2430 | fprintf(stderr, "-B option not supported with -x\n"); | |
e0547311 JO |
2431 | parse_options_usage(stat_usage, stat_options, "B", 1); |
2432 | parse_options_usage(NULL, stat_options, "x", 1); | |
cc03c542 | 2433 | goto out; |
d7470b6a SE |
2434 | } else /* Nope, so disable big number formatting */ |
2435 | big_num = false; | |
2436 | } else if (big_num_opt == 0) /* User passed --no-big-num */ | |
2437 | big_num = false; | |
2438 | ||
602ad878 | 2439 | if (!argc && target__none(&target)) |
e0547311 | 2440 | usage_with_options(stat_usage, stat_options); |
ac3063bd | 2441 | |
a7e191c3 | 2442 | if (run_count < 0) { |
cc03c542 | 2443 | pr_err("Run count must be a positive number\n"); |
e0547311 | 2444 | parse_options_usage(stat_usage, stat_options, "r", 1); |
cc03c542 | 2445 | goto out; |
a7e191c3 FD |
2446 | } else if (run_count == 0) { |
2447 | forever = true; | |
2448 | run_count = 1; | |
2449 | } | |
ddcacfa0 | 2450 | |
421a50f3 | 2451 | if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { |
32b8af82 JO |
2452 | fprintf(stderr, "The --per-thread option is only available " |
2453 | "when monitoring via -p -t options.\n"); | |
e0547311 JO |
2454 | parse_options_usage(NULL, stat_options, "p", 1); |
2455 | parse_options_usage(NULL, stat_options, "t", 1); | |
32b8af82 JO |
2456 | goto out; |
2457 | } | |
2458 | ||
2459 | /* | |
2460 | * no_aggr, cgroup are for system-wide only | |
2461 | * --per-thread is aggregated per thread, we dont mix it with cpu mode | |
2462 | */ | |
421a50f3 JO |
2463 | if (((stat_config.aggr_mode != AGGR_GLOBAL && |
2464 | stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && | |
602ad878 | 2465 | !target__has_cpu(&target)) { |
023695d9 SE |
2466 | fprintf(stderr, "both cgroup and no-aggregation " |
2467 | "modes only available in system-wide mode\n"); | |
2468 | ||
e0547311 JO |
2469 | parse_options_usage(stat_usage, stat_options, "G", 1); |
2470 | parse_options_usage(NULL, stat_options, "A", 1); | |
2471 | parse_options_usage(NULL, stat_options, "a", 1); | |
cc03c542 | 2472 | goto out; |
d7e7a451 SE |
2473 | } |
2474 | ||
2cba3ffb IM |
2475 | if (add_default_attributes()) |
2476 | goto out; | |
ddcacfa0 | 2477 | |
602ad878 | 2478 | target__validate(&target); |
5c98d466 | 2479 | |
77a6f014 | 2480 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
602ad878 | 2481 | if (target__has_task(&target)) { |
77a6f014 | 2482 | pr_err("Problems finding threads of monitor\n"); |
e0547311 JO |
2483 | parse_options_usage(stat_usage, stat_options, "p", 1); |
2484 | parse_options_usage(NULL, stat_options, "t", 1); | |
602ad878 | 2485 | } else if (target__has_cpu(&target)) { |
77a6f014 | 2486 | perror("failed to parse CPUs map"); |
e0547311 JO |
2487 | parse_options_usage(stat_usage, stat_options, "C", 1); |
2488 | parse_options_usage(NULL, stat_options, "a", 1); | |
cc03c542 NK |
2489 | } |
2490 | goto out; | |
60d567e2 | 2491 | } |
32b8af82 JO |
2492 | |
2493 | /* | |
2494 | * Initialize thread_map with comm names, | |
2495 | * so we could print it out on output. | |
2496 | */ | |
421a50f3 | 2497 | if (stat_config.aggr_mode == AGGR_THREAD) |
32b8af82 JO |
2498 | thread_map__read_comms(evsel_list->threads); |
2499 | ||
13370a9b | 2500 | if (interval && interval < 100) { |
19afd104 KL |
2501 | if (interval < 10) { |
2502 | pr_err("print interval must be >= 10ms\n"); | |
e0547311 | 2503 | parse_options_usage(stat_usage, stat_options, "I", 1); |
19afd104 KL |
2504 | goto out; |
2505 | } else | |
2506 | pr_warning("print interval < 100ms. " | |
2507 | "The overhead percentage could be high in some cases. " | |
2508 | "Please proceed with caution.\n"); | |
13370a9b | 2509 | } |
c45c6ea2 | 2510 | |
d134ffb9 | 2511 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
03ad9747 | 2512 | goto out; |
d6d901c2 | 2513 | |
86ee6e18 | 2514 | if (perf_stat_init_aggr_mode()) |
03ad9747 | 2515 | goto out; |
86ee6e18 | 2516 | |
58d7e993 IM |
2517 | /* |
2518 | * We dont want to block the signals - that would cause | |
2519 | * child tasks to inherit that and Ctrl-C would not work. | |
2520 | * What we want is for Ctrl-C to work in the exec()-ed | |
2521 | * task, but being ignored by perf stat itself: | |
2522 | */ | |
f7b7c26e | 2523 | atexit(sig_atexit); |
a7e191c3 FD |
2524 | if (!forever) |
2525 | signal(SIGINT, skip_signal); | |
13370a9b | 2526 | signal(SIGCHLD, skip_signal); |
58d7e993 IM |
2527 | signal(SIGALRM, skip_signal); |
2528 | signal(SIGABRT, skip_signal); | |
2529 | ||
42202dd5 | 2530 | status = 0; |
a7e191c3 | 2531 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
42202dd5 | 2532 | if (run_count != 1 && verbose) |
4aa9015f SE |
2533 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
2534 | run_idx + 1); | |
f9cef0a9 | 2535 | |
42202dd5 | 2536 | status = run_perf_stat(argc, argv); |
a7e191c3 | 2537 | if (forever && status != -1) { |
d4f63a47 | 2538 | print_counters(NULL, argc, argv); |
254ecbc7 | 2539 | perf_stat__reset_stats(); |
a7e191c3 | 2540 | } |
42202dd5 IM |
2541 | } |
2542 | ||
a7e191c3 | 2543 | if (!forever && status != -1 && !interval) |
d4f63a47 | 2544 | print_counters(NULL, argc, argv); |
d134ffb9 | 2545 | |
4979d0c7 JO |
2546 | if (STAT_RECORD) { |
2547 | /* | |
2548 | * We synthesize the kernel mmap record just so that older tools | |
2549 | * don't emit warnings about not being able to resolve symbols | |
2550 | * due to /proc/sys/kernel/kptr_restrict settings and instear provide | |
2551 | * a saner message about no samples being in the perf.data file. | |
2552 | * | |
2553 | * This also serves to suppress a warning about f_header.data.size == 0 | |
8b99b1a4 JO |
2554 | * in header.c at the moment 'perf stat record' gets introduced, which |
2555 | * is not really needed once we start adding the stat specific PERF_RECORD_ | |
2556 | * records, but the need to suppress the kptr_restrict messages in older | |
2557 | * tools remain -acme | |
4979d0c7 JO |
2558 | */ |
2559 | int fd = perf_data_file__fd(&perf_stat.file); | |
2560 | int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, | |
2561 | process_synthesized_event, | |
2562 | &perf_stat.session->machines.host); | |
2563 | if (err) { | |
2564 | pr_warning("Couldn't synthesize the kernel mmap record, harmless, " | |
2565 | "older tools may produce warnings about this file\n."); | |
2566 | } | |
2567 | ||
7aad0c32 JO |
2568 | if (!interval) { |
2569 | if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) | |
2570 | pr_err("failed to write stat round event\n"); | |
2571 | } | |
2572 | ||
664c98d4 JO |
2573 | if (!perf_stat.file.is_pipe) { |
2574 | perf_stat.session->header.data_size += perf_stat.bytes_written; | |
2575 | perf_session__write_header(perf_stat.session, evsel_list, fd, true); | |
2576 | } | |
4979d0c7 JO |
2577 | |
2578 | perf_session__delete(perf_stat.session); | |
2579 | } | |
2580 | ||
544c2ae7 | 2581 | perf_stat__exit_aggr_mode(); |
d134ffb9 | 2582 | perf_evlist__free_stats(evsel_list); |
0015e2e1 ACM |
2583 | out: |
2584 | perf_evlist__delete(evsel_list); | |
42202dd5 | 2585 | return status; |
ddcacfa0 | 2586 | } |