Commit | Line | Data |
---|---|---|
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" |
4979d0c7 | 62 | #include "util/session.h" |
ba6039b6 JO |
63 | #include "util/tool.h" |
64 | #include "asm/bug.h" | |
ddcacfa0 | 65 | |
1f16c575 | 66 | #include <stdlib.h> |
ddcacfa0 | 67 | #include <sys/prctl.h> |
5af52b51 | 68 | #include <locale.h> |
e3b03b6c | 69 | #include <math.h> |
16c8a109 | 70 | |
d7470b6a | 71 | #define DEFAULT_SEPARATOR " " |
2cee77c4 DA |
72 | #define CNTR_NOT_SUPPORTED "<not supported>" |
73 | #define CNTR_NOT_COUNTED "<not counted>" | |
d7470b6a | 74 | |
d4f63a47 | 75 | static void print_counters(struct timespec *ts, int argc, const char **argv); |
13370a9b | 76 | |
4cabc3d1 | 77 | /* Default events used for perf stat -T */ |
a454742c JO |
78 | static const char *transaction_attrs = { |
79 | "task-clock," | |
4cabc3d1 AK |
80 | "{" |
81 | "instructions," | |
82 | "cycles," | |
83 | "cpu/cycles-t/," | |
84 | "cpu/tx-start/," | |
85 | "cpu/el-start/," | |
86 | "cpu/cycles-ct/" | |
87 | "}" | |
88 | }; | |
89 | ||
90 | /* More limited version when the CPU does not have all events. */ | |
a454742c JO |
91 | static const char * transaction_limited_attrs = { |
92 | "task-clock," | |
4cabc3d1 AK |
93 | "{" |
94 | "instructions," | |
95 | "cycles," | |
96 | "cpu/cycles-t/," | |
97 | "cpu/tx-start/" | |
98 | "}" | |
99 | }; | |
100 | ||
666e6d48 | 101 | static struct perf_evlist *evsel_list; |
361c99a6 | 102 | |
602ad878 | 103 | static struct target target = { |
77a6f014 NK |
104 | .uid = UINT_MAX, |
105 | }; | |
ddcacfa0 | 106 | |
1e5a2931 JO |
107 | typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); |
108 | ||
3d632595 | 109 | static int run_count = 1; |
2e6cdf99 | 110 | static bool no_inherit = false; |
d07f0b12 | 111 | static volatile pid_t child_pid = -1; |
c0555642 | 112 | static bool null_run = false; |
2cba3ffb | 113 | static int detailed_run = 0; |
4cabc3d1 | 114 | static bool transaction_run; |
201e0b06 | 115 | static bool big_num = true; |
d7470b6a | 116 | static int big_num_opt = -1; |
d7470b6a SE |
117 | static const char *csv_sep = NULL; |
118 | static bool csv_output = false; | |
43bece79 | 119 | static bool group = false; |
1f16c575 PZ |
120 | static const char *pre_cmd = NULL; |
121 | static const char *post_cmd = NULL; | |
122 | static bool sync_run = false; | |
41191688 | 123 | static unsigned int initial_delay = 0; |
410136f5 | 124 | static unsigned int unit_width = 4; /* strlen("unit") */ |
a7e191c3 | 125 | static bool forever = false; |
54b50916 | 126 | static bool metric_only = false; |
13370a9b | 127 | static struct timespec ref_time; |
86ee6e18 | 128 | static struct cpu_map *aggr_map; |
1e5a2931 | 129 | static aggr_get_id_t aggr_get_id; |
e0547311 JO |
130 | static bool append_file; |
131 | static const char *output_name; | |
132 | static int output_fd; | |
5af52b51 | 133 | |
4979d0c7 JO |
134 | struct perf_stat { |
135 | bool record; | |
136 | struct perf_data_file file; | |
137 | struct perf_session *session; | |
138 | u64 bytes_written; | |
ba6039b6 | 139 | struct perf_tool tool; |
1975d36e JO |
140 | bool maps_allocated; |
141 | struct cpu_map *cpus; | |
142 | struct thread_map *threads; | |
89af4e05 | 143 | enum aggr_mode aggr_mode; |
4979d0c7 JO |
144 | }; |
145 | ||
146 | static struct perf_stat perf_stat; | |
147 | #define STAT_RECORD perf_stat.record | |
148 | ||
60666c63 LW |
149 | static volatile int done = 0; |
150 | ||
421a50f3 JO |
151 | static struct perf_stat_config stat_config = { |
152 | .aggr_mode = AGGR_GLOBAL, | |
711a572e | 153 | .scale = true, |
421a50f3 JO |
154 | }; |
155 | ||
13370a9b SE |
156 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
157 | struct timespec *b) | |
158 | { | |
159 | r->tv_sec = a->tv_sec - b->tv_sec; | |
160 | if (a->tv_nsec < b->tv_nsec) { | |
161 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; | |
162 | r->tv_sec--; | |
163 | } else { | |
164 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; | |
165 | } | |
166 | } | |
167 | ||
254ecbc7 JO |
168 | static void perf_stat__reset_stats(void) |
169 | { | |
170 | perf_evlist__reset_stats(evsel_list); | |
f87027b9 | 171 | perf_stat__reset_shadow_stats(); |
1eda3b21 JO |
172 | } |
173 | ||
cac21425 | 174 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
ddcacfa0 | 175 | { |
69aad6f1 | 176 | struct perf_event_attr *attr = &evsel->attr; |
727ab04e | 177 | |
711a572e | 178 | if (stat_config.scale) |
a21ca2ca IM |
179 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
180 | PERF_FORMAT_TOTAL_TIME_RUNNING; | |
ddcacfa0 | 181 | |
5d2cd909 ACM |
182 | attr->inherit = !no_inherit; |
183 | ||
6acd8e92 JO |
184 | /* |
185 | * Some events get initialized with sample_(period/type) set, | |
186 | * like tracepoints. Clear it up for counting. | |
187 | */ | |
188 | attr->sample_period = 0; | |
6db1a5c1 | 189 | |
4979d0c7 JO |
190 | /* |
191 | * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless | |
192 | * while avoiding that older tools show confusing messages. | |
6db1a5c1 JO |
193 | * |
194 | * However for pipe sessions we need to keep it zero, | |
195 | * because script's perf_evsel__check_attr is triggered | |
196 | * by attr->sample_type != 0, and we can't run it on | |
197 | * stat sessions. | |
4979d0c7 | 198 | */ |
6db1a5c1 JO |
199 | if (!(STAT_RECORD && perf_stat.file.is_pipe)) |
200 | attr->sample_type = PERF_SAMPLE_IDENTIFIER; | |
6acd8e92 | 201 | |
67ccdecd JO |
202 | /* |
203 | * Disabling all counters initially, they will be enabled | |
204 | * either manually by us or by kernel via enable_on_exec | |
205 | * set later. | |
206 | */ | |
c8280cec | 207 | if (perf_evsel__is_group_leader(evsel)) { |
67ccdecd JO |
208 | attr->disabled = 1; |
209 | ||
c8280cec JO |
210 | /* |
211 | * In case of initial_delay we enable tracee | |
212 | * events manually. | |
213 | */ | |
214 | if (target__none(&target) && !initial_delay) | |
41191688 | 215 | attr->enable_on_exec = 1; |
ddcacfa0 | 216 | } |
084ab9f8 | 217 | |
c8280cec JO |
218 | if (target__has_cpu(&target)) |
219 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); | |
220 | ||
594ac61a | 221 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
ddcacfa0 IM |
222 | } |
223 | ||
c04f5e5d IM |
224 | /* |
225 | * Does the counter have nsecs as a unit? | |
226 | */ | |
daec78a0 | 227 | static inline int nsec_counter(struct perf_evsel *evsel) |
c04f5e5d | 228 | { |
daec78a0 ACM |
229 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
230 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) | |
c04f5e5d IM |
231 | return 1; |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
8b99b1a4 JO |
236 | static int process_synthesized_event(struct perf_tool *tool __maybe_unused, |
237 | union perf_event *event, | |
238 | struct perf_sample *sample __maybe_unused, | |
239 | struct machine *machine __maybe_unused) | |
4979d0c7 | 240 | { |
8b99b1a4 | 241 | if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { |
4979d0c7 JO |
242 | pr_err("failed to write perf data, error: %m\n"); |
243 | return -1; | |
244 | } | |
245 | ||
8b99b1a4 | 246 | perf_stat.bytes_written += event->header.size; |
4979d0c7 JO |
247 | return 0; |
248 | } | |
249 | ||
1975d36e | 250 | static int write_stat_round_event(u64 tm, u64 type) |
7aad0c32 | 251 | { |
1975d36e | 252 | return perf_event__synthesize_stat_round(NULL, tm, type, |
7aad0c32 JO |
253 | process_synthesized_event, |
254 | NULL); | |
255 | } | |
256 | ||
257 | #define WRITE_STAT_ROUND_EVENT(time, interval) \ | |
258 | write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) | |
259 | ||
5a6ea81b JO |
260 | #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) |
261 | ||
262 | static int | |
263 | perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, | |
264 | struct perf_counts_values *count) | |
265 | { | |
266 | struct perf_sample_id *sid = SID(counter, cpu, thread); | |
267 | ||
268 | return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, | |
269 | process_synthesized_event, NULL); | |
270 | } | |
271 | ||
f5b4a9c3 SE |
272 | /* |
273 | * Read out the results of a single counter: | |
274 | * do not aggregate counts across CPUs in system-wide mode | |
275 | */ | |
c52b12ed | 276 | static int read_counter(struct perf_evsel *counter) |
f5b4a9c3 | 277 | { |
9bf1a529 JO |
278 | int nthreads = thread_map__nr(evsel_list->threads); |
279 | int ncpus = perf_evsel__nr_cpus(counter); | |
280 | int cpu, thread; | |
f5b4a9c3 | 281 | |
3b4331d9 SP |
282 | if (!counter->supported) |
283 | return -ENOENT; | |
284 | ||
9bf1a529 JO |
285 | if (counter->system_wide) |
286 | nthreads = 1; | |
287 | ||
288 | for (thread = 0; thread < nthreads; thread++) { | |
289 | for (cpu = 0; cpu < ncpus; cpu++) { | |
3b3eb044 JO |
290 | struct perf_counts_values *count; |
291 | ||
292 | count = perf_counts(counter->counts, cpu, thread); | |
293 | if (perf_evsel__read(counter, cpu, thread, count)) | |
9bf1a529 | 294 | return -1; |
5a6ea81b JO |
295 | |
296 | if (STAT_RECORD) { | |
297 | if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { | |
298 | pr_err("failed to write stat event\n"); | |
299 | return -1; | |
300 | } | |
301 | } | |
0b1abbf4 AK |
302 | |
303 | if (verbose > 1) { | |
304 | fprintf(stat_config.output, | |
305 | "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", | |
306 | perf_evsel__name(counter), | |
307 | cpu, | |
308 | count->val, count->ena, count->run); | |
309 | } | |
9bf1a529 | 310 | } |
f5b4a9c3 | 311 | } |
c52b12ed ACM |
312 | |
313 | return 0; | |
2996f5dd IM |
314 | } |
315 | ||
5fc472a6 | 316 | static void read_counters(bool close_counters) |
13370a9b | 317 | { |
13370a9b | 318 | struct perf_evsel *counter; |
13370a9b | 319 | |
106a94a0 | 320 | evlist__for_each(evsel_list, counter) { |
3b3eb044 | 321 | if (read_counter(counter)) |
245bad8e | 322 | pr_debug("failed to read counter %s\n", counter->name); |
3b3eb044 | 323 | |
f80010eb | 324 | if (perf_stat_process_counter(&stat_config, counter)) |
3b3eb044 | 325 | pr_warning("failed to process counter %s\n", counter->name); |
106a94a0 | 326 | |
5fc472a6 | 327 | if (close_counters) { |
106a94a0 JO |
328 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
329 | thread_map__nr(evsel_list->threads)); | |
13370a9b SE |
330 | } |
331 | } | |
106a94a0 JO |
332 | } |
333 | ||
ba411a95 | 334 | static void process_interval(void) |
106a94a0 | 335 | { |
106a94a0 | 336 | struct timespec ts, rs; |
106a94a0 JO |
337 | |
338 | read_counters(false); | |
86ee6e18 | 339 | |
13370a9b SE |
340 | clock_gettime(CLOCK_MONOTONIC, &ts); |
341 | diff_timespec(&rs, &ts, &ref_time); | |
13370a9b | 342 | |
7aad0c32 JO |
343 | if (STAT_RECORD) { |
344 | if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSECS_PER_SEC + rs.tv_nsec, INTERVAL)) | |
345 | pr_err("failed to write stat round event\n"); | |
346 | } | |
347 | ||
d4f63a47 | 348 | print_counters(&rs, 0, NULL); |
13370a9b SE |
349 | } |
350 | ||
67ccdecd | 351 | static void enable_counters(void) |
41191688 | 352 | { |
67ccdecd | 353 | if (initial_delay) |
41191688 | 354 | usleep(initial_delay * 1000); |
67ccdecd JO |
355 | |
356 | /* | |
357 | * We need to enable counters only if: | |
358 | * - we don't have tracee (attaching to task or cpu) | |
359 | * - we have initial delay configured | |
360 | */ | |
361 | if (!target__none(&target) || initial_delay) | |
ab46db0a | 362 | perf_evlist__enable(evsel_list); |
41191688 AK |
363 | } |
364 | ||
f33cbe72 | 365 | static volatile int workload_exec_errno; |
6af206fd ACM |
366 | |
367 | /* | |
368 | * perf_evlist__prepare_workload will send a SIGUSR1 | |
369 | * if the fork fails, since we asked by setting its | |
370 | * want_signal to true. | |
371 | */ | |
f33cbe72 ACM |
372 | static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, |
373 | void *ucontext __maybe_unused) | |
6af206fd | 374 | { |
f33cbe72 | 375 | workload_exec_errno = info->si_value.sival_int; |
6af206fd ACM |
376 | } |
377 | ||
7b60a7e3 JO |
378 | static bool has_unit(struct perf_evsel *counter) |
379 | { | |
380 | return counter->unit && *counter->unit; | |
381 | } | |
382 | ||
383 | static bool has_scale(struct perf_evsel *counter) | |
384 | { | |
385 | return counter->scale != 1; | |
386 | } | |
387 | ||
664c98d4 | 388 | static int perf_stat_synthesize_config(bool is_pipe) |
8b99b1a4 | 389 | { |
7b60a7e3 | 390 | struct perf_evsel *counter; |
8b99b1a4 JO |
391 | int err; |
392 | ||
664c98d4 JO |
393 | if (is_pipe) { |
394 | err = perf_event__synthesize_attrs(NULL, perf_stat.session, | |
395 | process_synthesized_event); | |
396 | if (err < 0) { | |
397 | pr_err("Couldn't synthesize attrs.\n"); | |
398 | return err; | |
399 | } | |
400 | } | |
401 | ||
7b60a7e3 JO |
402 | /* |
403 | * Synthesize other events stuff not carried within | |
404 | * attr event - unit, scale, name | |
405 | */ | |
406 | evlist__for_each(evsel_list, counter) { | |
407 | if (!counter->supported) | |
408 | continue; | |
409 | ||
410 | /* | |
411 | * Synthesize unit and scale only if it's defined. | |
412 | */ | |
413 | if (has_unit(counter)) { | |
414 | err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); | |
415 | if (err < 0) { | |
416 | pr_err("Couldn't synthesize evsel unit.\n"); | |
417 | return err; | |
418 | } | |
419 | } | |
420 | ||
421 | if (has_scale(counter)) { | |
422 | err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event); | |
423 | if (err < 0) { | |
424 | pr_err("Couldn't synthesize evsel scale.\n"); | |
425 | return err; | |
426 | } | |
427 | } | |
428 | ||
429 | if (counter->own_cpus) { | |
430 | err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); | |
431 | if (err < 0) { | |
432 | pr_err("Couldn't synthesize evsel scale.\n"); | |
433 | return err; | |
434 | } | |
435 | } | |
436 | ||
437 | /* | |
438 | * Name is needed only for pipe output, | |
439 | * perf.data carries event names. | |
440 | */ | |
441 | if (is_pipe) { | |
442 | err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); | |
443 | if (err < 0) { | |
444 | pr_err("Couldn't synthesize evsel name.\n"); | |
445 | return err; | |
446 | } | |
447 | } | |
448 | } | |
449 | ||
8b99b1a4 JO |
450 | err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, |
451 | process_synthesized_event, | |
452 | NULL); | |
453 | if (err < 0) { | |
454 | pr_err("Couldn't synthesize thread map.\n"); | |
455 | return err; | |
456 | } | |
457 | ||
458 | err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, | |
459 | process_synthesized_event, NULL); | |
460 | if (err < 0) { | |
461 | pr_err("Couldn't synthesize thread map.\n"); | |
462 | return err; | |
463 | } | |
464 | ||
465 | err = perf_event__synthesize_stat_config(NULL, &stat_config, | |
466 | process_synthesized_event, NULL); | |
467 | if (err < 0) { | |
468 | pr_err("Couldn't synthesize config.\n"); | |
469 | return err; | |
470 | } | |
471 | ||
472 | return 0; | |
473 | } | |
474 | ||
2af4646d JO |
475 | #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) |
476 | ||
477 | static int __store_counter_ids(struct perf_evsel *counter, | |
478 | struct cpu_map *cpus, | |
479 | struct thread_map *threads) | |
480 | { | |
481 | int cpu, thread; | |
482 | ||
483 | for (cpu = 0; cpu < cpus->nr; cpu++) { | |
484 | for (thread = 0; thread < threads->nr; thread++) { | |
485 | int fd = FD(counter, cpu, thread); | |
486 | ||
487 | if (perf_evlist__id_add_fd(evsel_list, counter, | |
488 | cpu, thread, fd) < 0) | |
489 | return -1; | |
490 | } | |
491 | } | |
492 | ||
493 | return 0; | |
494 | } | |
495 | ||
496 | static int store_counter_ids(struct perf_evsel *counter) | |
497 | { | |
498 | struct cpu_map *cpus = counter->cpus; | |
499 | struct thread_map *threads = counter->threads; | |
500 | ||
501 | if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) | |
502 | return -ENOMEM; | |
503 | ||
504 | return __store_counter_ids(counter, cpus, threads); | |
505 | } | |
506 | ||
acf28922 | 507 | static int __run_perf_stat(int argc, const char **argv) |
42202dd5 | 508 | { |
ec0d3d1f | 509 | int interval = stat_config.interval; |
56e52e85 | 510 | char msg[512]; |
42202dd5 | 511 | unsigned long long t0, t1; |
cac21425 | 512 | struct perf_evsel *counter; |
13370a9b | 513 | struct timespec ts; |
410136f5 | 514 | size_t l; |
42202dd5 | 515 | int status = 0; |
6be2850e | 516 | const bool forks = (argc > 0); |
664c98d4 | 517 | bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false; |
42202dd5 | 518 | |
13370a9b SE |
519 | if (interval) { |
520 | ts.tv_sec = interval / 1000; | |
521 | ts.tv_nsec = (interval % 1000) * 1000000; | |
522 | } else { | |
523 | ts.tv_sec = 1; | |
524 | ts.tv_nsec = 0; | |
525 | } | |
526 | ||
60666c63 | 527 | if (forks) { |
664c98d4 | 528 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, |
735f7e0b | 529 | workload_exec_failed_signal) < 0) { |
acf28922 NK |
530 | perror("failed to prepare workload"); |
531 | return -1; | |
60666c63 | 532 | } |
d20a47e7 | 533 | child_pid = evsel_list->workload.pid; |
051ae7f7 PM |
534 | } |
535 | ||
6a4bb04c | 536 | if (group) |
63dab225 | 537 | perf_evlist__set_leader(evsel_list); |
6a4bb04c | 538 | |
0050f7aa | 539 | evlist__for_each(evsel_list, counter) { |
42ef8a78 | 540 | try_again: |
cac21425 | 541 | if (create_perf_stat_counter(counter) < 0) { |
979987a5 DA |
542 | /* |
543 | * PPC returns ENXIO for HW counters until 2.6.37 | |
544 | * (behavior changed with commit b0a873e). | |
545 | */ | |
38f6ae1e | 546 | if (errno == EINVAL || errno == ENOSYS || |
979987a5 DA |
547 | errno == ENOENT || errno == EOPNOTSUPP || |
548 | errno == ENXIO) { | |
c63ca0c0 DA |
549 | if (verbose) |
550 | ui__warning("%s event is not supported by the kernel.\n", | |
7289f83c | 551 | perf_evsel__name(counter)); |
2cee77c4 | 552 | counter->supported = false; |
cb5ef600 KL |
553 | |
554 | if ((counter->leader != counter) || | |
555 | !(counter->leader->nr_members > 1)) | |
556 | continue; | |
42ef8a78 ACM |
557 | } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { |
558 | if (verbose) | |
559 | ui__warning("%s\n", msg); | |
560 | goto try_again; | |
561 | } | |
ede70290 | 562 | |
56e52e85 ACM |
563 | perf_evsel__open_strerror(counter, &target, |
564 | errno, msg, sizeof(msg)); | |
565 | ui__error("%s\n", msg); | |
566 | ||
48290609 ACM |
567 | if (child_pid != -1) |
568 | kill(child_pid, SIGTERM); | |
fceda7fe | 569 | |
48290609 ACM |
570 | return -1; |
571 | } | |
2cee77c4 | 572 | counter->supported = true; |
410136f5 SE |
573 | |
574 | l = strlen(counter->unit); | |
575 | if (l > unit_width) | |
576 | unit_width = l; | |
2af4646d JO |
577 | |
578 | if (STAT_RECORD && store_counter_ids(counter)) | |
579 | return -1; | |
084ab9f8 | 580 | } |
42202dd5 | 581 | |
23d4aad4 ACM |
582 | if (perf_evlist__apply_filters(evsel_list, &counter)) { |
583 | error("failed to set filter \"%s\" on event %s with %d (%s)\n", | |
584 | counter->filter, perf_evsel__name(counter), errno, | |
759e612b | 585 | strerror_r(errno, msg, sizeof(msg))); |
cfd748ae FW |
586 | return -1; |
587 | } | |
588 | ||
4979d0c7 JO |
589 | if (STAT_RECORD) { |
590 | int err, fd = perf_data_file__fd(&perf_stat.file); | |
591 | ||
664c98d4 JO |
592 | if (is_pipe) { |
593 | err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file)); | |
594 | } else { | |
595 | err = perf_session__write_header(perf_stat.session, evsel_list, | |
596 | fd, false); | |
597 | } | |
598 | ||
4979d0c7 JO |
599 | if (err < 0) |
600 | return err; | |
8b99b1a4 | 601 | |
664c98d4 | 602 | err = perf_stat_synthesize_config(is_pipe); |
8b99b1a4 JO |
603 | if (err < 0) |
604 | return err; | |
4979d0c7 JO |
605 | } |
606 | ||
42202dd5 IM |
607 | /* |
608 | * Enable counters and exec the command: | |
609 | */ | |
610 | t0 = rdclock(); | |
13370a9b | 611 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
42202dd5 | 612 | |
60666c63 | 613 | if (forks) { |
acf28922 | 614 | perf_evlist__start_workload(evsel_list); |
67ccdecd | 615 | enable_counters(); |
acf28922 | 616 | |
13370a9b SE |
617 | if (interval) { |
618 | while (!waitpid(child_pid, &status, WNOHANG)) { | |
619 | nanosleep(&ts, NULL); | |
ba411a95 | 620 | process_interval(); |
13370a9b SE |
621 | } |
622 | } | |
60666c63 | 623 | wait(&status); |
6af206fd | 624 | |
f33cbe72 ACM |
625 | if (workload_exec_errno) { |
626 | const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); | |
627 | pr_err("Workload failed: %s\n", emsg); | |
6af206fd | 628 | return -1; |
f33cbe72 | 629 | } |
6af206fd | 630 | |
33e49ea7 AK |
631 | if (WIFSIGNALED(status)) |
632 | psignal(WTERMSIG(status), argv[0]); | |
60666c63 | 633 | } else { |
67ccdecd | 634 | enable_counters(); |
13370a9b SE |
635 | while (!done) { |
636 | nanosleep(&ts, NULL); | |
637 | if (interval) | |
ba411a95 | 638 | process_interval(); |
13370a9b | 639 | } |
60666c63 | 640 | } |
42202dd5 | 641 | |
42202dd5 IM |
642 | t1 = rdclock(); |
643 | ||
9e9772c4 | 644 | update_stats(&walltime_nsecs_stats, t1 - t0); |
42202dd5 | 645 | |
106a94a0 | 646 | read_counters(true); |
c52b12ed | 647 | |
42202dd5 IM |
648 | return WEXITSTATUS(status); |
649 | } | |
650 | ||
41cde476 | 651 | static int run_perf_stat(int argc, const char **argv) |
1f16c575 PZ |
652 | { |
653 | int ret; | |
654 | ||
655 | if (pre_cmd) { | |
656 | ret = system(pre_cmd); | |
657 | if (ret) | |
658 | return ret; | |
659 | } | |
660 | ||
661 | if (sync_run) | |
662 | sync(); | |
663 | ||
664 | ret = __run_perf_stat(argc, argv); | |
665 | if (ret) | |
666 | return ret; | |
667 | ||
668 | if (post_cmd) { | |
669 | ret = system(post_cmd); | |
670 | if (ret) | |
671 | return ret; | |
672 | } | |
673 | ||
674 | return ret; | |
675 | } | |
676 | ||
d73515c0 AK |
677 | static void print_running(u64 run, u64 ena) |
678 | { | |
679 | if (csv_output) { | |
5821522e | 680 | fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", |
d73515c0 AK |
681 | csv_sep, |
682 | run, | |
683 | csv_sep, | |
684 | ena ? 100.0 * run / ena : 100.0); | |
685 | } else if (run != ena) { | |
5821522e | 686 | fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); |
d73515c0 AK |
687 | } |
688 | } | |
689 | ||
f99844cb IM |
690 | static void print_noise_pct(double total, double avg) |
691 | { | |
0007ecea | 692 | double pct = rel_stddev_stats(total, avg); |
f99844cb | 693 | |
3ae9a34d | 694 | if (csv_output) |
5821522e | 695 | fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); |
a1bca6cc | 696 | else if (pct) |
5821522e | 697 | fprintf(stat_config.output, " ( +-%6.2f%% )", pct); |
f99844cb IM |
698 | } |
699 | ||
69aad6f1 | 700 | static void print_noise(struct perf_evsel *evsel, double avg) |
42202dd5 | 701 | { |
581cc8a2 | 702 | struct perf_stat_evsel *ps; |
69aad6f1 | 703 | |
849abde9 PZ |
704 | if (run_count == 1) |
705 | return; | |
706 | ||
69aad6f1 | 707 | ps = evsel->priv; |
f99844cb | 708 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
42202dd5 IM |
709 | } |
710 | ||
12c08a9f | 711 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
44175b6f | 712 | { |
421a50f3 | 713 | switch (stat_config.aggr_mode) { |
12c08a9f | 714 | case AGGR_CORE: |
5821522e | 715 | fprintf(stat_config.output, "S%d-C%*d%s%*d%s", |
12c08a9f SE |
716 | cpu_map__id_to_socket(id), |
717 | csv_output ? 0 : -8, | |
718 | cpu_map__id_to_cpu(id), | |
719 | csv_sep, | |
720 | csv_output ? 0 : 4, | |
721 | nr, | |
722 | csv_sep); | |
723 | break; | |
86ee6e18 | 724 | case AGGR_SOCKET: |
5821522e | 725 | fprintf(stat_config.output, "S%*d%s%*d%s", |
d7e7a451 | 726 | csv_output ? 0 : -5, |
12c08a9f | 727 | id, |
d7e7a451 SE |
728 | csv_sep, |
729 | csv_output ? 0 : 4, | |
730 | nr, | |
731 | csv_sep); | |
86ee6e18 SE |
732 | break; |
733 | case AGGR_NONE: | |
5821522e | 734 | fprintf(stat_config.output, "CPU%*d%s", |
d7470b6a | 735 | csv_output ? 0 : -4, |
12c08a9f | 736 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
86ee6e18 | 737 | break; |
32b8af82 | 738 | case AGGR_THREAD: |
5821522e | 739 | fprintf(stat_config.output, "%*s-%*d%s", |
32b8af82 JO |
740 | csv_output ? 0 : 16, |
741 | thread_map__comm(evsel->threads, id), | |
742 | csv_output ? 0 : -8, | |
743 | thread_map__pid(evsel->threads, id), | |
744 | csv_sep); | |
745 | break; | |
86ee6e18 | 746 | case AGGR_GLOBAL: |
208df99e | 747 | case AGGR_UNSET: |
86ee6e18 SE |
748 | default: |
749 | break; | |
750 | } | |
751 | } | |
752 | ||
140aeadc AK |
753 | struct outstate { |
754 | FILE *fh; | |
755 | bool newline; | |
f9483392 | 756 | const char *prefix; |
92a61f64 | 757 | int nfields; |
44d49a60 AK |
758 | int id, nr; |
759 | struct perf_evsel *evsel; | |
140aeadc AK |
760 | }; |
761 | ||
762 | #define METRIC_LEN 35 | |
763 | ||
764 | static void new_line_std(void *ctx) | |
765 | { | |
766 | struct outstate *os = ctx; | |
767 | ||
768 | os->newline = true; | |
769 | } | |
770 | ||
771 | static void do_new_line_std(struct outstate *os) | |
772 | { | |
773 | fputc('\n', os->fh); | |
f9483392 | 774 | fputs(os->prefix, os->fh); |
44d49a60 | 775 | aggr_printout(os->evsel, os->id, os->nr); |
140aeadc AK |
776 | if (stat_config.aggr_mode == AGGR_NONE) |
777 | fprintf(os->fh, " "); | |
140aeadc AK |
778 | fprintf(os->fh, " "); |
779 | } | |
780 | ||
781 | static void print_metric_std(void *ctx, const char *color, const char *fmt, | |
782 | const char *unit, double val) | |
783 | { | |
784 | struct outstate *os = ctx; | |
785 | FILE *out = os->fh; | |
786 | int n; | |
787 | bool newline = os->newline; | |
788 | ||
789 | os->newline = false; | |
790 | ||
791 | if (unit == NULL || fmt == NULL) { | |
792 | fprintf(out, "%-*s", METRIC_LEN, ""); | |
793 | return; | |
794 | } | |
795 | ||
796 | if (newline) | |
797 | do_new_line_std(os); | |
798 | ||
799 | n = fprintf(out, " # "); | |
800 | if (color) | |
801 | n += color_fprintf(out, color, fmt, val); | |
802 | else | |
803 | n += fprintf(out, fmt, val); | |
804 | fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); | |
805 | } | |
806 | ||
92a61f64 AK |
807 | static void new_line_csv(void *ctx) |
808 | { | |
809 | struct outstate *os = ctx; | |
810 | int i; | |
811 | ||
812 | fputc('\n', os->fh); | |
813 | if (os->prefix) | |
814 | fprintf(os->fh, "%s%s", os->prefix, csv_sep); | |
44d49a60 | 815 | aggr_printout(os->evsel, os->id, os->nr); |
92a61f64 AK |
816 | for (i = 0; i < os->nfields; i++) |
817 | fputs(csv_sep, os->fh); | |
818 | } | |
819 | ||
820 | static void print_metric_csv(void *ctx, | |
821 | const char *color __maybe_unused, | |
822 | const char *fmt, const char *unit, double val) | |
823 | { | |
824 | struct outstate *os = ctx; | |
825 | FILE *out = os->fh; | |
826 | char buf[64], *vals, *ends; | |
827 | ||
828 | if (unit == NULL || fmt == NULL) { | |
829 | fprintf(out, "%s%s%s%s", csv_sep, csv_sep, csv_sep, csv_sep); | |
830 | return; | |
831 | } | |
832 | snprintf(buf, sizeof(buf), fmt, val); | |
833 | vals = buf; | |
834 | while (isspace(*vals)) | |
835 | vals++; | |
836 | ends = vals; | |
837 | while (isdigit(*ends) || *ends == '.') | |
838 | ends++; | |
839 | *ends = 0; | |
840 | while (isspace(*unit)) | |
841 | unit++; | |
842 | fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); | |
843 | } | |
844 | ||
54b50916 AK |
845 | #define METRIC_ONLY_LEN 20 |
846 | ||
847 | /* Filter out some columns that don't work well in metrics only mode */ | |
848 | ||
849 | static bool valid_only_metric(const char *unit) | |
850 | { | |
851 | if (!unit) | |
852 | return false; | |
853 | if (strstr(unit, "/sec") || | |
854 | strstr(unit, "hz") || | |
855 | strstr(unit, "Hz") || | |
856 | strstr(unit, "CPUs utilized")) | |
857 | return false; | |
858 | return true; | |
859 | } | |
860 | ||
861 | static const char *fixunit(char *buf, struct perf_evsel *evsel, | |
862 | const char *unit) | |
863 | { | |
864 | if (!strncmp(unit, "of all", 6)) { | |
865 | snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel), | |
866 | unit); | |
867 | return buf; | |
868 | } | |
869 | return unit; | |
870 | } | |
871 | ||
872 | static void print_metric_only(void *ctx, const char *color, const char *fmt, | |
873 | const char *unit, double val) | |
874 | { | |
875 | struct outstate *os = ctx; | |
876 | FILE *out = os->fh; | |
877 | int n; | |
878 | char buf[1024]; | |
879 | unsigned mlen = METRIC_ONLY_LEN; | |
880 | ||
881 | if (!valid_only_metric(unit)) | |
882 | return; | |
883 | unit = fixunit(buf, os->evsel, unit); | |
884 | if (color) | |
885 | n = color_fprintf(out, color, fmt, val); | |
886 | else | |
887 | n = fprintf(out, fmt, val); | |
888 | if (n > METRIC_ONLY_LEN) | |
889 | n = METRIC_ONLY_LEN; | |
890 | if (mlen < strlen(unit)) | |
891 | mlen = strlen(unit) + 1; | |
892 | fprintf(out, "%*s", mlen - n, ""); | |
893 | } | |
894 | ||
895 | static void print_metric_only_csv(void *ctx, const char *color __maybe_unused, | |
896 | const char *fmt, | |
897 | const char *unit, double val) | |
898 | { | |
899 | struct outstate *os = ctx; | |
900 | FILE *out = os->fh; | |
901 | char buf[64], *vals, *ends; | |
902 | char tbuf[1024]; | |
903 | ||
904 | if (!valid_only_metric(unit)) | |
905 | return; | |
906 | unit = fixunit(tbuf, os->evsel, unit); | |
907 | snprintf(buf, sizeof buf, fmt, val); | |
908 | vals = buf; | |
909 | while (isspace(*vals)) | |
910 | vals++; | |
911 | ends = vals; | |
912 | while (isdigit(*ends) || *ends == '.') | |
913 | ends++; | |
914 | *ends = 0; | |
915 | fprintf(out, "%s%s", vals, csv_sep); | |
916 | } | |
917 | ||
918 | static void new_line_metric(void *ctx __maybe_unused) | |
919 | { | |
920 | } | |
921 | ||
922 | static void print_metric_header(void *ctx, const char *color __maybe_unused, | |
923 | const char *fmt __maybe_unused, | |
924 | const char *unit, double val __maybe_unused) | |
925 | { | |
926 | struct outstate *os = ctx; | |
927 | char tbuf[1024]; | |
928 | ||
929 | if (!valid_only_metric(unit)) | |
930 | return; | |
931 | unit = fixunit(tbuf, os->evsel, unit); | |
932 | if (csv_output) | |
933 | fprintf(os->fh, "%s%s", unit, csv_sep); | |
934 | else | |
935 | fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit); | |
936 | } | |
937 | ||
da88c7f7 | 938 | static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
86ee6e18 | 939 | { |
5821522e | 940 | FILE *output = stat_config.output; |
86ee6e18 | 941 | double msecs = avg / 1e6; |
410136f5 | 942 | const char *fmt_v, *fmt_n; |
4bbe5a61 | 943 | char name[25]; |
86ee6e18 | 944 | |
410136f5 SE |
945 | fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; |
946 | fmt_n = csv_output ? "%s" : "%-25s"; | |
947 | ||
da88c7f7 | 948 | aggr_printout(evsel, id, nr); |
d7470b6a | 949 | |
4bbe5a61 DA |
950 | scnprintf(name, sizeof(name), "%s%s", |
951 | perf_evsel__name(evsel), csv_output ? "" : " (msec)"); | |
410136f5 SE |
952 | |
953 | fprintf(output, fmt_v, msecs, csv_sep); | |
954 | ||
955 | if (csv_output) | |
956 | fprintf(output, "%s%s", evsel->unit, csv_sep); | |
957 | else | |
958 | fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); | |
959 | ||
960 | fprintf(output, fmt_n, name); | |
d7470b6a | 961 | |
023695d9 | 962 | if (evsel->cgrp) |
4aa9015f | 963 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
44175b6f IM |
964 | } |
965 | ||
44d49a60 AK |
966 | static int first_shadow_cpu(struct perf_evsel *evsel, int id) |
967 | { | |
968 | int i; | |
969 | ||
970 | if (!aggr_get_id) | |
971 | return 0; | |
972 | ||
973 | if (stat_config.aggr_mode == AGGR_NONE) | |
974 | return id; | |
975 | ||
976 | if (stat_config.aggr_mode == AGGR_GLOBAL) | |
977 | return 0; | |
978 | ||
979 | for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { | |
980 | int cpu2 = perf_evsel__cpus(evsel)->map[i]; | |
981 | ||
982 | if (aggr_get_id(evsel_list->cpus, cpu2) == id) | |
983 | return cpu2; | |
984 | } | |
985 | return 0; | |
986 | } | |
987 | ||
556b1fb7 JO |
988 | static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
989 | { | |
5821522e | 990 | FILE *output = stat_config.output; |
556b1fb7 JO |
991 | double sc = evsel->scale; |
992 | const char *fmt; | |
556b1fb7 JO |
993 | |
994 | if (csv_output) { | |
e3b03b6c | 995 | fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; |
556b1fb7 JO |
996 | } else { |
997 | if (big_num) | |
e3b03b6c | 998 | fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s"; |
556b1fb7 | 999 | else |
e3b03b6c | 1000 | fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s"; |
556b1fb7 JO |
1001 | } |
1002 | ||
1003 | aggr_printout(evsel, id, nr); | |
1004 | ||
556b1fb7 JO |
1005 | fprintf(output, fmt, avg, csv_sep); |
1006 | ||
1007 | if (evsel->unit) | |
1008 | fprintf(output, "%-*s%s", | |
1009 | csv_output ? 0 : unit_width, | |
1010 | evsel->unit, csv_sep); | |
1011 | ||
1012 | fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); | |
1013 | ||
1014 | if (evsel->cgrp) | |
1015 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); | |
eedfcb4b | 1016 | } |
556b1fb7 | 1017 | |
f9483392 | 1018 | static void printout(int id, int nr, struct perf_evsel *counter, double uval, |
cb110f47 | 1019 | char *prefix, u64 run, u64 ena, double noise) |
eedfcb4b | 1020 | { |
140aeadc | 1021 | struct perf_stat_output_ctx out; |
f9483392 AK |
1022 | struct outstate os = { |
1023 | .fh = stat_config.output, | |
44d49a60 AK |
1024 | .prefix = prefix ? prefix : "", |
1025 | .id = id, | |
1026 | .nr = nr, | |
1027 | .evsel = counter, | |
f9483392 | 1028 | }; |
140aeadc AK |
1029 | print_metric_t pm = print_metric_std; |
1030 | void (*nl)(void *); | |
eedfcb4b | 1031 | |
54b50916 AK |
1032 | if (metric_only) { |
1033 | nl = new_line_metric; | |
1034 | if (csv_output) | |
1035 | pm = print_metric_only_csv; | |
1036 | else | |
1037 | pm = print_metric_only; | |
1038 | } else | |
1039 | nl = new_line_std; | |
eedfcb4b | 1040 | |
54b50916 | 1041 | if (csv_output && !metric_only) { |
92a61f64 AK |
1042 | static int aggr_fields[] = { |
1043 | [AGGR_GLOBAL] = 0, | |
1044 | [AGGR_THREAD] = 1, | |
1045 | [AGGR_NONE] = 1, | |
1046 | [AGGR_SOCKET] = 2, | |
1047 | [AGGR_CORE] = 2, | |
1048 | }; | |
1049 | ||
1050 | pm = print_metric_csv; | |
1051 | nl = new_line_csv; | |
1052 | os.nfields = 3; | |
1053 | os.nfields += aggr_fields[stat_config.aggr_mode]; | |
1054 | if (counter->cgrp) | |
1055 | os.nfields++; | |
1056 | } | |
b002f3bb | 1057 | if (run == 0 || ena == 0 || counter->counts->scaled == -1) { |
54b50916 AK |
1058 | if (metric_only) { |
1059 | pm(&os, NULL, "", "", 0); | |
1060 | return; | |
1061 | } | |
cb110f47 AK |
1062 | aggr_printout(counter, id, nr); |
1063 | ||
1064 | fprintf(stat_config.output, "%*s%s", | |
1065 | csv_output ? 0 : 18, | |
1066 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, | |
1067 | csv_sep); | |
1068 | ||
1069 | fprintf(stat_config.output, "%-*s%s", | |
1070 | csv_output ? 0 : unit_width, | |
1071 | counter->unit, csv_sep); | |
1072 | ||
1073 | fprintf(stat_config.output, "%*s", | |
1074 | csv_output ? 0 : -25, | |
1075 | perf_evsel__name(counter)); | |
1076 | ||
1077 | if (counter->cgrp) | |
1078 | fprintf(stat_config.output, "%s%s", | |
1079 | csv_sep, counter->cgrp->name); | |
1080 | ||
92a61f64 AK |
1081 | if (!csv_output) |
1082 | pm(&os, NULL, NULL, "", 0); | |
1083 | print_noise(counter, noise); | |
cb110f47 | 1084 | print_running(run, ena); |
92a61f64 AK |
1085 | if (csv_output) |
1086 | pm(&os, NULL, NULL, "", 0); | |
cb110f47 AK |
1087 | return; |
1088 | } | |
1089 | ||
54b50916 AK |
1090 | if (metric_only) |
1091 | /* nothing */; | |
1092 | else if (nsec_counter(counter)) | |
eedfcb4b AK |
1093 | nsec_printout(id, nr, counter, uval); |
1094 | else | |
1095 | abs_printout(id, nr, counter, uval); | |
556b1fb7 | 1096 | |
140aeadc AK |
1097 | out.print_metric = pm; |
1098 | out.new_line = nl; | |
1099 | out.ctx = &os; | |
1100 | ||
54b50916 | 1101 | if (csv_output && !metric_only) { |
92a61f64 AK |
1102 | print_noise(counter, noise); |
1103 | print_running(run, ena); | |
1104 | } | |
1105 | ||
1106 | perf_stat__print_shadow_stats(counter, uval, | |
44d49a60 | 1107 | first_shadow_cpu(counter, id), |
140aeadc | 1108 | &out); |
54b50916 | 1109 | if (!csv_output && !metric_only) { |
92a61f64 AK |
1110 | print_noise(counter, noise); |
1111 | print_running(run, ena); | |
1112 | } | |
556b1fb7 JO |
1113 | } |
1114 | ||
44d49a60 AK |
1115 | static void aggr_update_shadow(void) |
1116 | { | |
1117 | int cpu, s2, id, s; | |
1118 | u64 val; | |
1119 | struct perf_evsel *counter; | |
1120 | ||
1121 | for (s = 0; s < aggr_map->nr; s++) { | |
1122 | id = aggr_map->map[s]; | |
1123 | evlist__for_each(evsel_list, counter) { | |
1124 | val = 0; | |
1125 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
1126 | s2 = aggr_get_id(evsel_list->cpus, cpu); | |
1127 | if (s2 != id) | |
1128 | continue; | |
1129 | val += perf_counts(counter->counts, cpu, 0)->val; | |
1130 | } | |
1131 | val = val * counter->scale; | |
1132 | perf_stat__update_shadow_stats(counter, &val, | |
1133 | first_shadow_cpu(counter, id)); | |
1134 | } | |
1135 | } | |
1136 | } | |
1137 | ||
86ee6e18 | 1138 | static void print_aggr(char *prefix) |
d7e7a451 | 1139 | { |
5821522e | 1140 | FILE *output = stat_config.output; |
d7e7a451 | 1141 | struct perf_evsel *counter; |
601083cf | 1142 | int cpu, s, s2, id, nr; |
410136f5 | 1143 | double uval; |
d7e7a451 | 1144 | u64 ena, run, val; |
54b50916 | 1145 | bool first; |
d7e7a451 | 1146 | |
86ee6e18 | 1147 | if (!(aggr_map || aggr_get_id)) |
d7e7a451 SE |
1148 | return; |
1149 | ||
44d49a60 AK |
1150 | aggr_update_shadow(); |
1151 | ||
54b50916 AK |
1152 | /* |
1153 | * With metric_only everything is on a single line. | |
1154 | * Without each counter has its own line. | |
1155 | */ | |
86ee6e18 | 1156 | for (s = 0; s < aggr_map->nr; s++) { |
54b50916 AK |
1157 | if (prefix && metric_only) |
1158 | fprintf(output, "%s", prefix); | |
1159 | ||
86ee6e18 | 1160 | id = aggr_map->map[s]; |
54b50916 | 1161 | first = true; |
0050f7aa | 1162 | evlist__for_each(evsel_list, counter) { |
d7e7a451 SE |
1163 | val = ena = run = 0; |
1164 | nr = 0; | |
1165 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
601083cf | 1166 | s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); |
86ee6e18 | 1167 | if (s2 != id) |
d7e7a451 | 1168 | continue; |
a6fa0038 JO |
1169 | val += perf_counts(counter->counts, cpu, 0)->val; |
1170 | ena += perf_counts(counter->counts, cpu, 0)->ena; | |
1171 | run += perf_counts(counter->counts, cpu, 0)->run; | |
d7e7a451 SE |
1172 | nr++; |
1173 | } | |
54b50916 AK |
1174 | if (first && metric_only) { |
1175 | first = false; | |
1176 | aggr_printout(counter, id, nr); | |
1177 | } | |
1178 | if (prefix && !metric_only) | |
d7e7a451 SE |
1179 | fprintf(output, "%s", prefix); |
1180 | ||
410136f5 | 1181 | uval = val * counter->scale; |
cb110f47 | 1182 | printout(id, nr, counter, uval, prefix, run, ena, 1.0); |
54b50916 AK |
1183 | if (!metric_only) |
1184 | fputc('\n', output); | |
d7e7a451 | 1185 | } |
54b50916 AK |
1186 | if (metric_only) |
1187 | fputc('\n', output); | |
d7e7a451 SE |
1188 | } |
1189 | } | |
1190 | ||
32b8af82 JO |
1191 | static void print_aggr_thread(struct perf_evsel *counter, char *prefix) |
1192 | { | |
5821522e | 1193 | FILE *output = stat_config.output; |
32b8af82 JO |
1194 | int nthreads = thread_map__nr(counter->threads); |
1195 | int ncpus = cpu_map__nr(counter->cpus); | |
1196 | int cpu, thread; | |
1197 | double uval; | |
1198 | ||
1199 | for (thread = 0; thread < nthreads; thread++) { | |
1200 | u64 ena = 0, run = 0, val = 0; | |
1201 | ||
1202 | for (cpu = 0; cpu < ncpus; cpu++) { | |
1203 | val += perf_counts(counter->counts, cpu, thread)->val; | |
1204 | ena += perf_counts(counter->counts, cpu, thread)->ena; | |
1205 | run += perf_counts(counter->counts, cpu, thread)->run; | |
1206 | } | |
1207 | ||
1208 | if (prefix) | |
1209 | fprintf(output, "%s", prefix); | |
1210 | ||
1211 | uval = val * counter->scale; | |
cb110f47 | 1212 | printout(thread, 0, counter, uval, prefix, run, ena, 1.0); |
32b8af82 JO |
1213 | fputc('\n', output); |
1214 | } | |
1215 | } | |
1216 | ||
2996f5dd IM |
1217 | /* |
1218 | * Print out the results of a single counter: | |
f5b4a9c3 | 1219 | * aggregated counts in system-wide mode |
2996f5dd | 1220 | */ |
13370a9b | 1221 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
2996f5dd | 1222 | { |
5821522e | 1223 | FILE *output = stat_config.output; |
581cc8a2 | 1224 | struct perf_stat_evsel *ps = counter->priv; |
69aad6f1 | 1225 | double avg = avg_stats(&ps->res_stats[0]); |
410136f5 | 1226 | double uval; |
d73515c0 AK |
1227 | double avg_enabled, avg_running; |
1228 | ||
1229 | avg_enabled = avg_stats(&ps->res_stats[1]); | |
1230 | avg_running = avg_stats(&ps->res_stats[2]); | |
2996f5dd | 1231 | |
54b50916 | 1232 | if (prefix && !metric_only) |
13370a9b SE |
1233 | fprintf(output, "%s", prefix); |
1234 | ||
410136f5 | 1235 | uval = avg * counter->scale; |
cb110f47 | 1236 | printout(-1, 0, counter, uval, prefix, avg_running, avg_enabled, avg); |
54b50916 AK |
1237 | if (!metric_only) |
1238 | fprintf(output, "\n"); | |
c04f5e5d IM |
1239 | } |
1240 | ||
f5b4a9c3 SE |
1241 | /* |
1242 | * Print out the results of a single counter: | |
1243 | * does not use aggregated count in system-wide | |
1244 | */ | |
13370a9b | 1245 | static void print_counter(struct perf_evsel *counter, char *prefix) |
f5b4a9c3 | 1246 | { |
5821522e | 1247 | FILE *output = stat_config.output; |
f5b4a9c3 | 1248 | u64 ena, run, val; |
410136f5 | 1249 | double uval; |
f5b4a9c3 SE |
1250 | int cpu; |
1251 | ||
7ae92e74 | 1252 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
a6fa0038 JO |
1253 | val = perf_counts(counter->counts, cpu, 0)->val; |
1254 | ena = perf_counts(counter->counts, cpu, 0)->ena; | |
1255 | run = perf_counts(counter->counts, cpu, 0)->run; | |
13370a9b SE |
1256 | |
1257 | if (prefix) | |
1258 | fprintf(output, "%s", prefix); | |
1259 | ||
410136f5 | 1260 | uval = val * counter->scale; |
cb110f47 | 1261 | printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); |
f5b4a9c3 | 1262 | |
4aa9015f | 1263 | fputc('\n', output); |
f5b4a9c3 SE |
1264 | } |
1265 | } | |
1266 | ||
206cab65 AK |
1267 | static void print_no_aggr_metric(char *prefix) |
1268 | { | |
1269 | int cpu; | |
1270 | int nrcpus = 0; | |
1271 | struct perf_evsel *counter; | |
1272 | u64 ena, run, val; | |
1273 | double uval; | |
1274 | ||
1275 | nrcpus = evsel_list->cpus->nr; | |
1276 | for (cpu = 0; cpu < nrcpus; cpu++) { | |
1277 | bool first = true; | |
1278 | ||
1279 | if (prefix) | |
1280 | fputs(prefix, stat_config.output); | |
1281 | evlist__for_each(evsel_list, counter) { | |
1282 | if (first) { | |
1283 | aggr_printout(counter, cpu, 0); | |
1284 | first = false; | |
1285 | } | |
1286 | val = perf_counts(counter->counts, cpu, 0)->val; | |
1287 | ena = perf_counts(counter->counts, cpu, 0)->ena; | |
1288 | run = perf_counts(counter->counts, cpu, 0)->run; | |
1289 | ||
1290 | uval = val * counter->scale; | |
1291 | printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); | |
1292 | } | |
1293 | fputc('\n', stat_config.output); | |
1294 | } | |
1295 | } | |
1296 | ||
54b50916 AK |
1297 | static int aggr_header_lens[] = { |
1298 | [AGGR_CORE] = 18, | |
1299 | [AGGR_SOCKET] = 12, | |
206cab65 | 1300 | [AGGR_NONE] = 6, |
54b50916 AK |
1301 | [AGGR_THREAD] = 24, |
1302 | [AGGR_GLOBAL] = 0, | |
1303 | }; | |
1304 | ||
1305 | static void print_metric_headers(char *prefix) | |
1306 | { | |
1307 | struct perf_stat_output_ctx out; | |
1308 | struct perf_evsel *counter; | |
1309 | struct outstate os = { | |
1310 | .fh = stat_config.output | |
1311 | }; | |
1312 | ||
1313 | if (prefix) | |
1314 | fprintf(stat_config.output, "%s", prefix); | |
1315 | ||
1316 | if (!csv_output) | |
1317 | fprintf(stat_config.output, "%*s", | |
1318 | aggr_header_lens[stat_config.aggr_mode], ""); | |
1319 | ||
1320 | /* Print metrics headers only */ | |
1321 | evlist__for_each(evsel_list, counter) { | |
1322 | os.evsel = counter; | |
1323 | out.ctx = &os; | |
1324 | out.print_metric = print_metric_header; | |
1325 | out.new_line = new_line_metric; | |
1326 | os.evsel = counter; | |
1327 | perf_stat__print_shadow_stats(counter, 0, | |
1328 | 0, | |
1329 | &out); | |
1330 | } | |
1331 | fputc('\n', stat_config.output); | |
1332 | } | |
1333 | ||
d4f63a47 JO |
1334 | static void print_interval(char *prefix, struct timespec *ts) |
1335 | { | |
5821522e | 1336 | FILE *output = stat_config.output; |
d4f63a47 JO |
1337 | static int num_print_interval; |
1338 | ||
1339 | sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); | |
1340 | ||
54b50916 | 1341 | if (num_print_interval == 0 && !csv_output && !metric_only) { |
421a50f3 | 1342 | switch (stat_config.aggr_mode) { |
d4f63a47 JO |
1343 | case AGGR_SOCKET: |
1344 | fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); | |
1345 | break; | |
1346 | case AGGR_CORE: | |
1347 | fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); | |
1348 | break; | |
1349 | case AGGR_NONE: | |
1350 | fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); | |
1351 | break; | |
32b8af82 JO |
1352 | case AGGR_THREAD: |
1353 | fprintf(output, "# time comm-pid counts %*s events\n", unit_width, "unit"); | |
1354 | break; | |
d4f63a47 JO |
1355 | case AGGR_GLOBAL: |
1356 | default: | |
1357 | fprintf(output, "# time counts %*s events\n", unit_width, "unit"); | |
208df99e JO |
1358 | case AGGR_UNSET: |
1359 | break; | |
d4f63a47 JO |
1360 | } |
1361 | } | |
1362 | ||
1363 | if (++num_print_interval == 25) | |
1364 | num_print_interval = 0; | |
1365 | } | |
1366 | ||
1367 | static void print_header(int argc, const char **argv) | |
42202dd5 | 1368 | { |
5821522e | 1369 | FILE *output = stat_config.output; |
69aad6f1 | 1370 | int i; |
42202dd5 | 1371 | |
ddcacfa0 IM |
1372 | fflush(stdout); |
1373 | ||
d7470b6a | 1374 | if (!csv_output) { |
4aa9015f SE |
1375 | fprintf(output, "\n"); |
1376 | fprintf(output, " Performance counter stats for "); | |
62d3b617 DA |
1377 | if (target.system_wide) |
1378 | fprintf(output, "\'system wide"); | |
1379 | else if (target.cpu_list) | |
1380 | fprintf(output, "\'CPU(s) %s", target.cpu_list); | |
602ad878 | 1381 | else if (!target__has_task(&target)) { |
ba6039b6 JO |
1382 | fprintf(output, "\'%s", argv ? argv[0] : "pipe"); |
1383 | for (i = 1; argv && (i < argc); i++) | |
4aa9015f | 1384 | fprintf(output, " %s", argv[i]); |
20f946b4 NK |
1385 | } else if (target.pid) |
1386 | fprintf(output, "process id \'%s", target.pid); | |
d7470b6a | 1387 | else |
20f946b4 | 1388 | fprintf(output, "thread id \'%s", target.tid); |
44db76c8 | 1389 | |
4aa9015f | 1390 | fprintf(output, "\'"); |
d7470b6a | 1391 | if (run_count > 1) |
4aa9015f SE |
1392 | fprintf(output, " (%d runs)", run_count); |
1393 | fprintf(output, ":\n\n"); | |
d7470b6a | 1394 | } |
d4f63a47 JO |
1395 | } |
1396 | ||
1397 | static void print_footer(void) | |
1398 | { | |
5821522e JO |
1399 | FILE *output = stat_config.output; |
1400 | ||
d4f63a47 JO |
1401 | if (!null_run) |
1402 | fprintf(output, "\n"); | |
1403 | fprintf(output, " %17.9f seconds time elapsed", | |
1404 | avg_stats(&walltime_nsecs_stats)/1e9); | |
1405 | if (run_count > 1) { | |
1406 | fprintf(output, " "); | |
1407 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), | |
1408 | avg_stats(&walltime_nsecs_stats)); | |
1409 | } | |
1410 | fprintf(output, "\n\n"); | |
1411 | } | |
1412 | ||
1413 | static void print_counters(struct timespec *ts, int argc, const char **argv) | |
1414 | { | |
ec0d3d1f | 1415 | int interval = stat_config.interval; |
d4f63a47 JO |
1416 | struct perf_evsel *counter; |
1417 | char buf[64], *prefix = NULL; | |
1418 | ||
664c98d4 JO |
1419 | /* Do not print anything if we record to the pipe. */ |
1420 | if (STAT_RECORD && perf_stat.file.is_pipe) | |
1421 | return; | |
1422 | ||
d4f63a47 JO |
1423 | if (interval) |
1424 | print_interval(prefix = buf, ts); | |
1425 | else | |
1426 | print_header(argc, argv); | |
2996f5dd | 1427 | |
54b50916 AK |
1428 | if (metric_only) { |
1429 | static int num_print_iv; | |
1430 | ||
1431 | if (num_print_iv == 0) | |
1432 | print_metric_headers(prefix); | |
1433 | if (num_print_iv++ == 25) | |
1434 | num_print_iv = 0; | |
1435 | if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) | |
1436 | fprintf(stat_config.output, "%s", prefix); | |
1437 | } | |
1438 | ||
421a50f3 | 1439 | switch (stat_config.aggr_mode) { |
12c08a9f | 1440 | case AGGR_CORE: |
86ee6e18 | 1441 | case AGGR_SOCKET: |
d4f63a47 | 1442 | print_aggr(prefix); |
86ee6e18 | 1443 | break; |
32b8af82 JO |
1444 | case AGGR_THREAD: |
1445 | evlist__for_each(evsel_list, counter) | |
1446 | print_aggr_thread(counter, prefix); | |
1447 | break; | |
86ee6e18 | 1448 | case AGGR_GLOBAL: |
0050f7aa | 1449 | evlist__for_each(evsel_list, counter) |
d4f63a47 | 1450 | print_counter_aggr(counter, prefix); |
54b50916 AK |
1451 | if (metric_only) |
1452 | fputc('\n', stat_config.output); | |
86ee6e18 SE |
1453 | break; |
1454 | case AGGR_NONE: | |
206cab65 AK |
1455 | if (metric_only) |
1456 | print_no_aggr_metric(prefix); | |
1457 | else { | |
1458 | evlist__for_each(evsel_list, counter) | |
1459 | print_counter(counter, prefix); | |
1460 | } | |
86ee6e18 | 1461 | break; |
208df99e | 1462 | case AGGR_UNSET: |
86ee6e18 SE |
1463 | default: |
1464 | break; | |
f5b4a9c3 | 1465 | } |
ddcacfa0 | 1466 | |
d4f63a47 JO |
1467 | if (!interval && !csv_output) |
1468 | print_footer(); | |
1469 | ||
5821522e | 1470 | fflush(stat_config.output); |
ddcacfa0 IM |
1471 | } |
1472 | ||
f7b7c26e PZ |
1473 | static volatile int signr = -1; |
1474 | ||
5242519b | 1475 | static void skip_signal(int signo) |
ddcacfa0 | 1476 | { |
ec0d3d1f | 1477 | if ((child_pid == -1) || stat_config.interval) |
60666c63 LW |
1478 | done = 1; |
1479 | ||
f7b7c26e | 1480 | signr = signo; |
d07f0b12 SE |
1481 | /* |
1482 | * render child_pid harmless | |
1483 | * won't send SIGTERM to a random | |
1484 | * process in case of race condition | |
1485 | * and fast PID recycling | |
1486 | */ | |
1487 | child_pid = -1; | |
f7b7c26e PZ |
1488 | } |
1489 | ||
1490 | static void sig_atexit(void) | |
1491 | { | |
d07f0b12 SE |
1492 | sigset_t set, oset; |
1493 | ||
1494 | /* | |
1495 | * avoid race condition with SIGCHLD handler | |
1496 | * in skip_signal() which is modifying child_pid | |
1497 | * goal is to avoid send SIGTERM to a random | |
1498 | * process | |
1499 | */ | |
1500 | sigemptyset(&set); | |
1501 | sigaddset(&set, SIGCHLD); | |
1502 | sigprocmask(SIG_BLOCK, &set, &oset); | |
1503 | ||
933da83a CW |
1504 | if (child_pid != -1) |
1505 | kill(child_pid, SIGTERM); | |
1506 | ||
d07f0b12 SE |
1507 | sigprocmask(SIG_SETMASK, &oset, NULL); |
1508 | ||
f7b7c26e PZ |
1509 | if (signr == -1) |
1510 | return; | |
1511 | ||
1512 | signal(signr, SIG_DFL); | |
1513 | kill(getpid(), signr); | |
5242519b IM |
1514 | } |
1515 | ||
1d037ca1 IT |
1516 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
1517 | const char *s __maybe_unused, int unset) | |
d7470b6a SE |
1518 | { |
1519 | big_num_opt = unset ? 0 : 1; | |
1520 | return 0; | |
1521 | } | |
1522 | ||
e0547311 JO |
1523 | static const struct option stat_options[] = { |
1524 | OPT_BOOLEAN('T', "transaction", &transaction_run, | |
1525 | "hardware transaction statistics"), | |
1526 | OPT_CALLBACK('e', "event", &evsel_list, "event", | |
1527 | "event selector. use 'perf list' to list available events", | |
1528 | parse_events_option), | |
1529 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", | |
1530 | "event filter", parse_filter), | |
1531 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, | |
1532 | "child tasks do not inherit counters"), | |
1533 | OPT_STRING('p', "pid", &target.pid, "pid", | |
1534 | "stat events on existing process id"), | |
1535 | OPT_STRING('t', "tid", &target.tid, "tid", | |
1536 | "stat events on existing thread id"), | |
1537 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, | |
1538 | "system-wide collection from all CPUs"), | |
1539 | OPT_BOOLEAN('g', "group", &group, | |
1540 | "put the counters into a counter group"), | |
1541 | OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), | |
1542 | OPT_INCR('v', "verbose", &verbose, | |
1543 | "be more verbose (show counter open errors, etc)"), | |
1544 | OPT_INTEGER('r', "repeat", &run_count, | |
1545 | "repeat command and print average + stddev (max: 100, forever: 0)"), | |
1546 | OPT_BOOLEAN('n', "null", &null_run, | |
1547 | "null run - dont start any counters"), | |
1548 | OPT_INCR('d', "detailed", &detailed_run, | |
1549 | "detailed run - start a lot of events"), | |
1550 | OPT_BOOLEAN('S', "sync", &sync_run, | |
1551 | "call sync() before starting a run"), | |
1552 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, | |
1553 | "print large numbers with thousands\' separators", | |
1554 | stat__set_big_num), | |
1555 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", | |
1556 | "list of cpus to monitor in system-wide"), | |
1557 | OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, | |
1558 | "disable CPU count aggregation", AGGR_NONE), | |
1559 | OPT_STRING('x', "field-separator", &csv_sep, "separator", | |
1560 | "print counts with custom separator"), | |
1561 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", | |
1562 | "monitor event in cgroup name only", parse_cgroups), | |
1563 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1564 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), | |
1565 | OPT_INTEGER(0, "log-fd", &output_fd, | |
1566 | "log output to fd, instead of stderr"), | |
1567 | OPT_STRING(0, "pre", &pre_cmd, "command", | |
1568 | "command to run prior to the measured command"), | |
1569 | OPT_STRING(0, "post", &post_cmd, "command", | |
1570 | "command to run after to the measured command"), | |
1571 | OPT_UINTEGER('I', "interval-print", &stat_config.interval, | |
1572 | "print counts at regular interval in ms (>= 10)"), | |
1573 | OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, | |
1574 | "aggregate counts per processor socket", AGGR_SOCKET), | |
1575 | OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, | |
1576 | "aggregate counts per physical processor core", AGGR_CORE), | |
1577 | OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, | |
1578 | "aggregate counts per thread", AGGR_THREAD), | |
1579 | OPT_UINTEGER('D', "delay", &initial_delay, | |
1580 | "ms to wait before starting measurement after program start"), | |
54b50916 AK |
1581 | OPT_BOOLEAN(0, "metric-only", &metric_only, |
1582 | "Only print computed metrics. No raw values"), | |
e0547311 JO |
1583 | OPT_END() |
1584 | }; | |
1585 | ||
1fe7a300 JO |
1586 | static int perf_stat__get_socket(struct cpu_map *map, int cpu) |
1587 | { | |
1588 | return cpu_map__get_socket(map, cpu, NULL); | |
1589 | } | |
1590 | ||
1591 | static int perf_stat__get_core(struct cpu_map *map, int cpu) | |
1592 | { | |
1593 | return cpu_map__get_core(map, cpu, NULL); | |
1594 | } | |
1595 | ||
1e5a2931 JO |
1596 | static int cpu_map__get_max(struct cpu_map *map) |
1597 | { | |
1598 | int i, max = -1; | |
1599 | ||
1600 | for (i = 0; i < map->nr; i++) { | |
1601 | if (map->map[i] > max) | |
1602 | max = map->map[i]; | |
1603 | } | |
1604 | ||
1605 | return max; | |
1606 | } | |
1607 | ||
1608 | static struct cpu_map *cpus_aggr_map; | |
1609 | ||
1610 | static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) | |
1611 | { | |
1612 | int cpu; | |
1613 | ||
1614 | if (idx >= map->nr) | |
1615 | return -1; | |
1616 | ||
1617 | cpu = map->map[idx]; | |
1618 | ||
1619 | if (cpus_aggr_map->map[cpu] == -1) | |
1620 | cpus_aggr_map->map[cpu] = get_id(map, idx); | |
1621 | ||
1622 | return cpus_aggr_map->map[cpu]; | |
1623 | } | |
1624 | ||
1625 | static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) | |
1626 | { | |
1627 | return perf_stat__get_aggr(perf_stat__get_socket, map, idx); | |
1628 | } | |
1629 | ||
1630 | static int perf_stat__get_core_cached(struct cpu_map *map, int idx) | |
1631 | { | |
1632 | return perf_stat__get_aggr(perf_stat__get_core, map, idx); | |
1633 | } | |
1634 | ||
86ee6e18 SE |
1635 | static int perf_stat_init_aggr_mode(void) |
1636 | { | |
1e5a2931 JO |
1637 | int nr; |
1638 | ||
421a50f3 | 1639 | switch (stat_config.aggr_mode) { |
86ee6e18 SE |
1640 | case AGGR_SOCKET: |
1641 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { | |
1642 | perror("cannot build socket map"); | |
1643 | return -1; | |
1644 | } | |
1e5a2931 | 1645 | aggr_get_id = perf_stat__get_socket_cached; |
86ee6e18 | 1646 | break; |
12c08a9f SE |
1647 | case AGGR_CORE: |
1648 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { | |
1649 | perror("cannot build core map"); | |
1650 | return -1; | |
1651 | } | |
1e5a2931 | 1652 | aggr_get_id = perf_stat__get_core_cached; |
12c08a9f | 1653 | break; |
86ee6e18 SE |
1654 | case AGGR_NONE: |
1655 | case AGGR_GLOBAL: | |
32b8af82 | 1656 | case AGGR_THREAD: |
208df99e | 1657 | case AGGR_UNSET: |
86ee6e18 SE |
1658 | default: |
1659 | break; | |
1660 | } | |
1e5a2931 JO |
1661 | |
1662 | /* | |
1663 | * The evsel_list->cpus is the base we operate on, | |
1664 | * taking the highest cpu number to be the size of | |
1665 | * the aggregation translate cpumap. | |
1666 | */ | |
1667 | nr = cpu_map__get_max(evsel_list->cpus); | |
1668 | cpus_aggr_map = cpu_map__empty_new(nr + 1); | |
1669 | return cpus_aggr_map ? 0 : -ENOMEM; | |
86ee6e18 SE |
1670 | } |
1671 | ||
544c2ae7 MH |
1672 | static void perf_stat__exit_aggr_mode(void) |
1673 | { | |
1674 | cpu_map__put(aggr_map); | |
1675 | cpu_map__put(cpus_aggr_map); | |
1676 | aggr_map = NULL; | |
1677 | cpus_aggr_map = NULL; | |
1678 | } | |
1679 | ||
68d702f7 JO |
1680 | static inline int perf_env__get_cpu(struct perf_env *env, 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 (cpu >= env->nr_cpus_online) | |
1690 | return -1; | |
1691 | ||
1692 | return cpu; | |
1693 | } | |
1694 | ||
1695 | static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) | |
1696 | { | |
1697 | struct perf_env *env = data; | |
1698 | int cpu = perf_env__get_cpu(env, map, idx); | |
1699 | ||
1700 | return cpu == -1 ? -1 : env->cpu[cpu].socket_id; | |
1701 | } | |
1702 | ||
1703 | static int perf_env__get_core(struct cpu_map *map, int idx, void *data) | |
1704 | { | |
1705 | struct perf_env *env = data; | |
1706 | int core = -1, cpu = perf_env__get_cpu(env, map, idx); | |
1707 | ||
1708 | if (cpu != -1) { | |
1709 | int socket_id = env->cpu[cpu].socket_id; | |
1710 | ||
1711 | /* | |
1712 | * Encode socket in upper 16 bits | |
1713 | * core_id is relative to socket, and | |
1714 | * we need a global id. So we combine | |
1715 | * socket + core id. | |
1716 | */ | |
1717 | core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); | |
1718 | } | |
1719 | ||
1720 | return core; | |
1721 | } | |
1722 | ||
1723 | static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, | |
1724 | struct cpu_map **sockp) | |
1725 | { | |
1726 | return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); | |
1727 | } | |
1728 | ||
1729 | static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, | |
1730 | struct cpu_map **corep) | |
1731 | { | |
1732 | return cpu_map__build_map(cpus, corep, perf_env__get_core, env); | |
1733 | } | |
1734 | ||
1735 | static int perf_stat__get_socket_file(struct cpu_map *map, int idx) | |
1736 | { | |
1737 | return perf_env__get_socket(map, idx, &perf_stat.session->header.env); | |
1738 | } | |
1739 | ||
1740 | static int perf_stat__get_core_file(struct cpu_map *map, int idx) | |
1741 | { | |
1742 | return perf_env__get_core(map, idx, &perf_stat.session->header.env); | |
1743 | } | |
1744 | ||
1745 | static int perf_stat_init_aggr_mode_file(struct perf_stat *st) | |
1746 | { | |
1747 | struct perf_env *env = &st->session->header.env; | |
1748 | ||
1749 | switch (stat_config.aggr_mode) { | |
1750 | case AGGR_SOCKET: | |
1751 | if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { | |
1752 | perror("cannot build socket map"); | |
1753 | return -1; | |
1754 | } | |
1755 | aggr_get_id = perf_stat__get_socket_file; | |
1756 | break; | |
1757 | case AGGR_CORE: | |
1758 | if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { | |
1759 | perror("cannot build core map"); | |
1760 | return -1; | |
1761 | } | |
1762 | aggr_get_id = perf_stat__get_core_file; | |
1763 | break; | |
1764 | case AGGR_NONE: | |
1765 | case AGGR_GLOBAL: | |
1766 | case AGGR_THREAD: | |
1767 | case AGGR_UNSET: | |
1768 | default: | |
1769 | break; | |
1770 | } | |
1771 | ||
1772 | return 0; | |
1773 | } | |
1774 | ||
2cba3ffb IM |
1775 | /* |
1776 | * Add default attributes, if there were no attributes specified or | |
1777 | * if -d/--detailed, -d -d or -d -d -d is used: | |
1778 | */ | |
1779 | static int add_default_attributes(void) | |
1780 | { | |
9dec4473 | 1781 | struct perf_event_attr default_attrs0[] = { |
b070a547 ACM |
1782 | |
1783 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, | |
1784 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, | |
1785 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, | |
1786 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, | |
1787 | ||
1788 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, | |
9dec4473 AK |
1789 | }; |
1790 | struct perf_event_attr frontend_attrs[] = { | |
b070a547 | 1791 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, |
9dec4473 AK |
1792 | }; |
1793 | struct perf_event_attr backend_attrs[] = { | |
b070a547 | 1794 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, |
9dec4473 AK |
1795 | }; |
1796 | struct perf_event_attr default_attrs1[] = { | |
b070a547 ACM |
1797 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, |
1798 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, | |
1799 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, | |
1800 | ||
1801 | }; | |
1802 | ||
1803 | /* | |
1804 | * Detailed stats (-d), covering the L1 and last level data caches: | |
1805 | */ | |
1806 | struct perf_event_attr detailed_attrs[] = { | |
1807 | ||
1808 | { .type = PERF_TYPE_HW_CACHE, | |
1809 | .config = | |
1810 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1811 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1812 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1813 | ||
1814 | { .type = PERF_TYPE_HW_CACHE, | |
1815 | .config = | |
1816 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1817 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1818 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1819 | ||
1820 | { .type = PERF_TYPE_HW_CACHE, | |
1821 | .config = | |
1822 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1823 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1824 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1825 | ||
1826 | { .type = PERF_TYPE_HW_CACHE, | |
1827 | .config = | |
1828 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1829 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1830 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1831 | }; | |
1832 | ||
1833 | /* | |
1834 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: | |
1835 | */ | |
1836 | struct perf_event_attr very_detailed_attrs[] = { | |
1837 | ||
1838 | { .type = PERF_TYPE_HW_CACHE, | |
1839 | .config = | |
1840 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1841 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1842 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1843 | ||
1844 | { .type = PERF_TYPE_HW_CACHE, | |
1845 | .config = | |
1846 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1847 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1848 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1849 | ||
1850 | { .type = PERF_TYPE_HW_CACHE, | |
1851 | .config = | |
1852 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1853 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1854 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1855 | ||
1856 | { .type = PERF_TYPE_HW_CACHE, | |
1857 | .config = | |
1858 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1859 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1860 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1861 | ||
1862 | { .type = PERF_TYPE_HW_CACHE, | |
1863 | .config = | |
1864 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1865 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1866 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1867 | ||
1868 | { .type = PERF_TYPE_HW_CACHE, | |
1869 | .config = | |
1870 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1871 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1872 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1873 | ||
1874 | }; | |
1875 | ||
1876 | /* | |
1877 | * Very, very detailed stats (-d -d -d), adding prefetch events: | |
1878 | */ | |
1879 | struct perf_event_attr very_very_detailed_attrs[] = { | |
1880 | ||
1881 | { .type = PERF_TYPE_HW_CACHE, | |
1882 | .config = | |
1883 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1884 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1885 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1886 | ||
1887 | { .type = PERF_TYPE_HW_CACHE, | |
1888 | .config = | |
1889 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1890 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1891 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1892 | }; | |
1893 | ||
2cba3ffb IM |
1894 | /* Set attrs if no event is selected and !null_run: */ |
1895 | if (null_run) | |
1896 | return 0; | |
1897 | ||
4cabc3d1 AK |
1898 | if (transaction_run) { |
1899 | int err; | |
1900 | if (pmu_have_event("cpu", "cycles-ct") && | |
1901 | pmu_have_event("cpu", "el-start")) | |
a454742c | 1902 | err = parse_events(evsel_list, transaction_attrs, NULL); |
4cabc3d1 | 1903 | else |
a454742c JO |
1904 | err = parse_events(evsel_list, transaction_limited_attrs, NULL); |
1905 | if (err) { | |
4cabc3d1 AK |
1906 | fprintf(stderr, "Cannot set up transaction events\n"); |
1907 | return -1; | |
1908 | } | |
1909 | return 0; | |
1910 | } | |
1911 | ||
2cba3ffb | 1912 | if (!evsel_list->nr_entries) { |
a1f3d567 NK |
1913 | if (target__has_cpu(&target)) |
1914 | default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; | |
1915 | ||
9dec4473 AK |
1916 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) |
1917 | return -1; | |
1918 | if (pmu_have_event("cpu", "stalled-cycles-frontend")) { | |
1919 | if (perf_evlist__add_default_attrs(evsel_list, | |
1920 | frontend_attrs) < 0) | |
1921 | return -1; | |
1922 | } | |
1923 | if (pmu_have_event("cpu", "stalled-cycles-backend")) { | |
1924 | if (perf_evlist__add_default_attrs(evsel_list, | |
1925 | backend_attrs) < 0) | |
1926 | return -1; | |
1927 | } | |
1928 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) | |
50d08e47 | 1929 | return -1; |
2cba3ffb IM |
1930 | } |
1931 | ||
1932 | /* Detailed events get appended to the event list: */ | |
1933 | ||
1934 | if (detailed_run < 1) | |
1935 | return 0; | |
1936 | ||
1937 | /* Append detailed run extra attributes: */ | |
79695e1b | 1938 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
50d08e47 | 1939 | return -1; |
2cba3ffb IM |
1940 | |
1941 | if (detailed_run < 2) | |
1942 | return 0; | |
1943 | ||
1944 | /* Append very detailed run extra attributes: */ | |
79695e1b | 1945 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
50d08e47 | 1946 | return -1; |
2cba3ffb IM |
1947 | |
1948 | if (detailed_run < 3) | |
1949 | return 0; | |
1950 | ||
1951 | /* Append very, very detailed run extra attributes: */ | |
79695e1b | 1952 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
2cba3ffb IM |
1953 | } |
1954 | ||
8a59f3cc | 1955 | static const char * const stat_record_usage[] = { |
4979d0c7 JO |
1956 | "perf stat record [<options>]", |
1957 | NULL, | |
1958 | }; | |
1959 | ||
3ba78bd0 JO |
1960 | static void init_features(struct perf_session *session) |
1961 | { | |
1962 | int feat; | |
1963 | ||
1964 | for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) | |
1965 | perf_header__set_feat(&session->header, feat); | |
1966 | ||
1967 | perf_header__clear_feat(&session->header, HEADER_BUILD_ID); | |
1968 | perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); | |
1969 | perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); | |
1970 | perf_header__clear_feat(&session->header, HEADER_AUXTRACE); | |
1971 | } | |
1972 | ||
4979d0c7 JO |
1973 | static int __cmd_record(int argc, const char **argv) |
1974 | { | |
1975 | struct perf_session *session; | |
1976 | struct perf_data_file *file = &perf_stat.file; | |
1977 | ||
8a59f3cc | 1978 | argc = parse_options(argc, argv, stat_options, stat_record_usage, |
4979d0c7 JO |
1979 | PARSE_OPT_STOP_AT_NON_OPTION); |
1980 | ||
1981 | if (output_name) | |
1982 | file->path = output_name; | |
1983 | ||
e9d6db8e JO |
1984 | if (run_count != 1 || forever) { |
1985 | pr_err("Cannot use -r option with perf stat record.\n"); | |
1986 | return -1; | |
1987 | } | |
1988 | ||
4979d0c7 JO |
1989 | session = perf_session__new(file, false, NULL); |
1990 | if (session == NULL) { | |
1991 | pr_err("Perf session creation failed.\n"); | |
1992 | return -1; | |
1993 | } | |
1994 | ||
3ba78bd0 JO |
1995 | init_features(session); |
1996 | ||
4979d0c7 JO |
1997 | session->evlist = evsel_list; |
1998 | perf_stat.session = session; | |
1999 | perf_stat.record = true; | |
2000 | return argc; | |
2001 | } | |
2002 | ||
a56f9390 JO |
2003 | static int process_stat_round_event(struct perf_tool *tool __maybe_unused, |
2004 | union perf_event *event, | |
2005 | struct perf_session *session) | |
2006 | { | |
e3b03b6c | 2007 | struct stat_round_event *stat_round = &event->stat_round; |
a56f9390 JO |
2008 | struct perf_evsel *counter; |
2009 | struct timespec tsh, *ts = NULL; | |
2010 | const char **argv = session->header.env.cmdline_argv; | |
2011 | int argc = session->header.env.nr_cmdline; | |
2012 | ||
2013 | evlist__for_each(evsel_list, counter) | |
2014 | perf_stat_process_counter(&stat_config, counter); | |
2015 | ||
e3b03b6c AK |
2016 | if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) |
2017 | update_stats(&walltime_nsecs_stats, stat_round->time); | |
a56f9390 | 2018 | |
e3b03b6c AK |
2019 | if (stat_config.interval && stat_round->time) { |
2020 | tsh.tv_sec = stat_round->time / NSECS_PER_SEC; | |
2021 | tsh.tv_nsec = stat_round->time % NSECS_PER_SEC; | |
a56f9390 JO |
2022 | ts = &tsh; |
2023 | } | |
2024 | ||
2025 | print_counters(ts, argc, argv); | |
2026 | return 0; | |
2027 | } | |
2028 | ||
62ba18ba JO |
2029 | static |
2030 | int process_stat_config_event(struct perf_tool *tool __maybe_unused, | |
2031 | union perf_event *event, | |
2032 | struct perf_session *session __maybe_unused) | |
2033 | { | |
68d702f7 JO |
2034 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); |
2035 | ||
62ba18ba | 2036 | perf_event__read_stat_config(&stat_config, &event->stat_config); |
68d702f7 | 2037 | |
89af4e05 JO |
2038 | if (cpu_map__empty(st->cpus)) { |
2039 | if (st->aggr_mode != AGGR_UNSET) | |
2040 | pr_warning("warning: processing task data, aggregation mode not set\n"); | |
2041 | return 0; | |
2042 | } | |
2043 | ||
2044 | if (st->aggr_mode != AGGR_UNSET) | |
2045 | stat_config.aggr_mode = st->aggr_mode; | |
2046 | ||
68d702f7 JO |
2047 | if (perf_stat.file.is_pipe) |
2048 | perf_stat_init_aggr_mode(); | |
2049 | else | |
2050 | perf_stat_init_aggr_mode_file(st); | |
2051 | ||
62ba18ba JO |
2052 | return 0; |
2053 | } | |
2054 | ||
1975d36e JO |
2055 | static int set_maps(struct perf_stat *st) |
2056 | { | |
2057 | if (!st->cpus || !st->threads) | |
2058 | return 0; | |
2059 | ||
2060 | if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) | |
2061 | return -EINVAL; | |
2062 | ||
2063 | perf_evlist__set_maps(evsel_list, st->cpus, st->threads); | |
2064 | ||
2065 | if (perf_evlist__alloc_stats(evsel_list, true)) | |
2066 | return -ENOMEM; | |
2067 | ||
2068 | st->maps_allocated = true; | |
2069 | return 0; | |
2070 | } | |
2071 | ||
2072 | static | |
2073 | int process_thread_map_event(struct perf_tool *tool __maybe_unused, | |
2074 | union perf_event *event, | |
2075 | struct perf_session *session __maybe_unused) | |
2076 | { | |
2077 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); | |
2078 | ||
2079 | if (st->threads) { | |
2080 | pr_warning("Extra thread map event, ignoring.\n"); | |
2081 | return 0; | |
2082 | } | |
2083 | ||
2084 | st->threads = thread_map__new_event(&event->thread_map); | |
2085 | if (!st->threads) | |
2086 | return -ENOMEM; | |
2087 | ||
2088 | return set_maps(st); | |
2089 | } | |
2090 | ||
2091 | static | |
2092 | int process_cpu_map_event(struct perf_tool *tool __maybe_unused, | |
2093 | union perf_event *event, | |
2094 | struct perf_session *session __maybe_unused) | |
2095 | { | |
2096 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); | |
2097 | struct cpu_map *cpus; | |
2098 | ||
2099 | if (st->cpus) { | |
2100 | pr_warning("Extra cpu map event, ignoring.\n"); | |
2101 | return 0; | |
2102 | } | |
2103 | ||
2104 | cpus = cpu_map__new_data(&event->cpu_map.data); | |
2105 | if (!cpus) | |
2106 | return -ENOMEM; | |
2107 | ||
2108 | st->cpus = cpus; | |
2109 | return set_maps(st); | |
2110 | } | |
2111 | ||
8a59f3cc | 2112 | static const char * const stat_report_usage[] = { |
ba6039b6 JO |
2113 | "perf stat report [<options>]", |
2114 | NULL, | |
2115 | }; | |
2116 | ||
2117 | static struct perf_stat perf_stat = { | |
2118 | .tool = { | |
2119 | .attr = perf_event__process_attr, | |
fa6ea781 | 2120 | .event_update = perf_event__process_event_update, |
1975d36e JO |
2121 | .thread_map = process_thread_map_event, |
2122 | .cpu_map = process_cpu_map_event, | |
62ba18ba | 2123 | .stat_config = process_stat_config_event, |
a56f9390 JO |
2124 | .stat = perf_event__process_stat_event, |
2125 | .stat_round = process_stat_round_event, | |
ba6039b6 | 2126 | }, |
89af4e05 | 2127 | .aggr_mode = AGGR_UNSET, |
ba6039b6 JO |
2128 | }; |
2129 | ||
2130 | static int __cmd_report(int argc, const char **argv) | |
2131 | { | |
2132 | struct perf_session *session; | |
2133 | const struct option options[] = { | |
2134 | OPT_STRING('i', "input", &input_name, "file", "input file name"), | |
89af4e05 JO |
2135 | OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, |
2136 | "aggregate counts per processor socket", AGGR_SOCKET), | |
2137 | OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, | |
2138 | "aggregate counts per physical processor core", AGGR_CORE), | |
2139 | OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, | |
2140 | "disable CPU count aggregation", AGGR_NONE), | |
ba6039b6 JO |
2141 | OPT_END() |
2142 | }; | |
2143 | struct stat st; | |
2144 | int ret; | |
2145 | ||
8a59f3cc | 2146 | argc = parse_options(argc, argv, options, stat_report_usage, 0); |
ba6039b6 JO |
2147 | |
2148 | if (!input_name || !strlen(input_name)) { | |
2149 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
2150 | input_name = "-"; | |
2151 | else | |
2152 | input_name = "perf.data"; | |
2153 | } | |
2154 | ||
2155 | perf_stat.file.path = input_name; | |
2156 | perf_stat.file.mode = PERF_DATA_MODE_READ; | |
2157 | ||
2158 | session = perf_session__new(&perf_stat.file, false, &perf_stat.tool); | |
2159 | if (session == NULL) | |
2160 | return -1; | |
2161 | ||
2162 | perf_stat.session = session; | |
2163 | stat_config.output = stderr; | |
2164 | evsel_list = session->evlist; | |
2165 | ||
2166 | ret = perf_session__process_events(session); | |
2167 | if (ret) | |
2168 | return ret; | |
2169 | ||
2170 | perf_session__delete(session); | |
2171 | return 0; | |
2172 | } | |
2173 | ||
1d037ca1 | 2174 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
5242519b | 2175 | { |
b070a547 ACM |
2176 | const char * const stat_usage[] = { |
2177 | "perf stat [<options>] [<command>]", | |
2178 | NULL | |
2179 | }; | |
cc03c542 | 2180 | int status = -EINVAL, run_idx; |
4aa9015f | 2181 | const char *mode; |
5821522e | 2182 | FILE *output = stderr; |
ec0d3d1f | 2183 | unsigned int interval; |
ba6039b6 | 2184 | const char * const stat_subcommands[] = { "record", "report" }; |
42202dd5 | 2185 | |
5af52b51 SE |
2186 | setlocale(LC_ALL, ""); |
2187 | ||
334fe7a3 | 2188 | evsel_list = perf_evlist__new(); |
361c99a6 ACM |
2189 | if (evsel_list == NULL) |
2190 | return -ENOMEM; | |
2191 | ||
1669e509 | 2192 | parse_events__shrink_config_terms(); |
4979d0c7 JO |
2193 | argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, |
2194 | (const char **) stat_usage, | |
2195 | PARSE_OPT_STOP_AT_NON_OPTION); | |
fb4605ba | 2196 | perf_stat__init_shadow_stats(); |
4979d0c7 | 2197 | |
6edb78a2 JO |
2198 | if (csv_sep) { |
2199 | csv_output = true; | |
2200 | if (!strcmp(csv_sep, "\\t")) | |
2201 | csv_sep = "\t"; | |
2202 | } else | |
2203 | csv_sep = DEFAULT_SEPARATOR; | |
2204 | ||
4979d0c7 JO |
2205 | if (argc && !strncmp(argv[0], "rec", 3)) { |
2206 | argc = __cmd_record(argc, argv); | |
2207 | if (argc < 0) | |
2208 | return -1; | |
ba6039b6 JO |
2209 | } else if (argc && !strncmp(argv[0], "rep", 3)) |
2210 | return __cmd_report(argc, argv); | |
d7470b6a | 2211 | |
ec0d3d1f JO |
2212 | interval = stat_config.interval; |
2213 | ||
4979d0c7 JO |
2214 | /* |
2215 | * For record command the -o is already taken care of. | |
2216 | */ | |
2217 | if (!STAT_RECORD && output_name && strcmp(output_name, "-")) | |
4aa9015f SE |
2218 | output = NULL; |
2219 | ||
56f3bae7 JC |
2220 | if (output_name && output_fd) { |
2221 | fprintf(stderr, "cannot use both --output and --log-fd\n"); | |
e0547311 JO |
2222 | parse_options_usage(stat_usage, stat_options, "o", 1); |
2223 | parse_options_usage(NULL, stat_options, "log-fd", 0); | |
cc03c542 | 2224 | goto out; |
56f3bae7 | 2225 | } |
fc3e4d07 | 2226 | |
54b50916 AK |
2227 | if (metric_only && stat_config.aggr_mode == AGGR_THREAD) { |
2228 | fprintf(stderr, "--metric-only is not supported with --per-thread\n"); | |
2229 | goto out; | |
2230 | } | |
2231 | ||
54b50916 AK |
2232 | if (metric_only && run_count > 1) { |
2233 | fprintf(stderr, "--metric-only is not supported with -r\n"); | |
2234 | goto out; | |
2235 | } | |
2236 | ||
fc3e4d07 SE |
2237 | if (output_fd < 0) { |
2238 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); | |
e0547311 | 2239 | parse_options_usage(stat_usage, stat_options, "log-fd", 0); |
cc03c542 | 2240 | goto out; |
fc3e4d07 SE |
2241 | } |
2242 | ||
4aa9015f SE |
2243 | if (!output) { |
2244 | struct timespec tm; | |
2245 | mode = append_file ? "a" : "w"; | |
2246 | ||
2247 | output = fopen(output_name, mode); | |
2248 | if (!output) { | |
2249 | perror("failed to create output file"); | |
fceda7fe | 2250 | return -1; |
4aa9015f SE |
2251 | } |
2252 | clock_gettime(CLOCK_REALTIME, &tm); | |
2253 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); | |
fc3e4d07 | 2254 | } else if (output_fd > 0) { |
56f3bae7 JC |
2255 | mode = append_file ? "a" : "w"; |
2256 | output = fdopen(output_fd, mode); | |
2257 | if (!output) { | |
2258 | perror("Failed opening logfd"); | |
2259 | return -errno; | |
2260 | } | |
4aa9015f SE |
2261 | } |
2262 | ||
5821522e JO |
2263 | stat_config.output = output; |
2264 | ||
d7470b6a SE |
2265 | /* |
2266 | * let the spreadsheet do the pretty-printing | |
2267 | */ | |
2268 | if (csv_output) { | |
61a9f324 | 2269 | /* User explicitly passed -B? */ |
d7470b6a SE |
2270 | if (big_num_opt == 1) { |
2271 | fprintf(stderr, "-B option not supported with -x\n"); | |
e0547311 JO |
2272 | parse_options_usage(stat_usage, stat_options, "B", 1); |
2273 | parse_options_usage(NULL, stat_options, "x", 1); | |
cc03c542 | 2274 | goto out; |
d7470b6a SE |
2275 | } else /* Nope, so disable big number formatting */ |
2276 | big_num = false; | |
2277 | } else if (big_num_opt == 0) /* User passed --no-big-num */ | |
2278 | big_num = false; | |
2279 | ||
602ad878 | 2280 | if (!argc && target__none(&target)) |
e0547311 | 2281 | usage_with_options(stat_usage, stat_options); |
ac3063bd | 2282 | |
a7e191c3 | 2283 | if (run_count < 0) { |
cc03c542 | 2284 | pr_err("Run count must be a positive number\n"); |
e0547311 | 2285 | parse_options_usage(stat_usage, stat_options, "r", 1); |
cc03c542 | 2286 | goto out; |
a7e191c3 FD |
2287 | } else if (run_count == 0) { |
2288 | forever = true; | |
2289 | run_count = 1; | |
2290 | } | |
ddcacfa0 | 2291 | |
421a50f3 | 2292 | if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { |
32b8af82 JO |
2293 | fprintf(stderr, "The --per-thread option is only available " |
2294 | "when monitoring via -p -t options.\n"); | |
e0547311 JO |
2295 | parse_options_usage(NULL, stat_options, "p", 1); |
2296 | parse_options_usage(NULL, stat_options, "t", 1); | |
32b8af82 JO |
2297 | goto out; |
2298 | } | |
2299 | ||
2300 | /* | |
2301 | * no_aggr, cgroup are for system-wide only | |
2302 | * --per-thread is aggregated per thread, we dont mix it with cpu mode | |
2303 | */ | |
421a50f3 JO |
2304 | if (((stat_config.aggr_mode != AGGR_GLOBAL && |
2305 | stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && | |
602ad878 | 2306 | !target__has_cpu(&target)) { |
023695d9 SE |
2307 | fprintf(stderr, "both cgroup and no-aggregation " |
2308 | "modes only available in system-wide mode\n"); | |
2309 | ||
e0547311 JO |
2310 | parse_options_usage(stat_usage, stat_options, "G", 1); |
2311 | parse_options_usage(NULL, stat_options, "A", 1); | |
2312 | parse_options_usage(NULL, stat_options, "a", 1); | |
cc03c542 | 2313 | goto out; |
d7e7a451 SE |
2314 | } |
2315 | ||
2cba3ffb IM |
2316 | if (add_default_attributes()) |
2317 | goto out; | |
ddcacfa0 | 2318 | |
602ad878 | 2319 | target__validate(&target); |
5c98d466 | 2320 | |
77a6f014 | 2321 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
602ad878 | 2322 | if (target__has_task(&target)) { |
77a6f014 | 2323 | pr_err("Problems finding threads of monitor\n"); |
e0547311 JO |
2324 | parse_options_usage(stat_usage, stat_options, "p", 1); |
2325 | parse_options_usage(NULL, stat_options, "t", 1); | |
602ad878 | 2326 | } else if (target__has_cpu(&target)) { |
77a6f014 | 2327 | perror("failed to parse CPUs map"); |
e0547311 JO |
2328 | parse_options_usage(stat_usage, stat_options, "C", 1); |
2329 | parse_options_usage(NULL, stat_options, "a", 1); | |
cc03c542 NK |
2330 | } |
2331 | goto out; | |
60d567e2 | 2332 | } |
32b8af82 JO |
2333 | |
2334 | /* | |
2335 | * Initialize thread_map with comm names, | |
2336 | * so we could print it out on output. | |
2337 | */ | |
421a50f3 | 2338 | if (stat_config.aggr_mode == AGGR_THREAD) |
32b8af82 JO |
2339 | thread_map__read_comms(evsel_list->threads); |
2340 | ||
13370a9b | 2341 | if (interval && interval < 100) { |
19afd104 KL |
2342 | if (interval < 10) { |
2343 | pr_err("print interval must be >= 10ms\n"); | |
e0547311 | 2344 | parse_options_usage(stat_usage, stat_options, "I", 1); |
19afd104 KL |
2345 | goto out; |
2346 | } else | |
2347 | pr_warning("print interval < 100ms. " | |
2348 | "The overhead percentage could be high in some cases. " | |
2349 | "Please proceed with caution.\n"); | |
13370a9b | 2350 | } |
c45c6ea2 | 2351 | |
d134ffb9 | 2352 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
03ad9747 | 2353 | goto out; |
d6d901c2 | 2354 | |
86ee6e18 | 2355 | if (perf_stat_init_aggr_mode()) |
03ad9747 | 2356 | goto out; |
86ee6e18 | 2357 | |
58d7e993 IM |
2358 | /* |
2359 | * We dont want to block the signals - that would cause | |
2360 | * child tasks to inherit that and Ctrl-C would not work. | |
2361 | * What we want is for Ctrl-C to work in the exec()-ed | |
2362 | * task, but being ignored by perf stat itself: | |
2363 | */ | |
f7b7c26e | 2364 | atexit(sig_atexit); |
a7e191c3 FD |
2365 | if (!forever) |
2366 | signal(SIGINT, skip_signal); | |
13370a9b | 2367 | signal(SIGCHLD, skip_signal); |
58d7e993 IM |
2368 | signal(SIGALRM, skip_signal); |
2369 | signal(SIGABRT, skip_signal); | |
2370 | ||
42202dd5 | 2371 | status = 0; |
a7e191c3 | 2372 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
42202dd5 | 2373 | if (run_count != 1 && verbose) |
4aa9015f SE |
2374 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
2375 | run_idx + 1); | |
f9cef0a9 | 2376 | |
42202dd5 | 2377 | status = run_perf_stat(argc, argv); |
a7e191c3 | 2378 | if (forever && status != -1) { |
d4f63a47 | 2379 | print_counters(NULL, argc, argv); |
254ecbc7 | 2380 | perf_stat__reset_stats(); |
a7e191c3 | 2381 | } |
42202dd5 IM |
2382 | } |
2383 | ||
a7e191c3 | 2384 | if (!forever && status != -1 && !interval) |
d4f63a47 | 2385 | print_counters(NULL, argc, argv); |
d134ffb9 | 2386 | |
4979d0c7 JO |
2387 | if (STAT_RECORD) { |
2388 | /* | |
2389 | * We synthesize the kernel mmap record just so that older tools | |
2390 | * don't emit warnings about not being able to resolve symbols | |
2391 | * due to /proc/sys/kernel/kptr_restrict settings and instear provide | |
2392 | * a saner message about no samples being in the perf.data file. | |
2393 | * | |
2394 | * This also serves to suppress a warning about f_header.data.size == 0 | |
8b99b1a4 JO |
2395 | * in header.c at the moment 'perf stat record' gets introduced, which |
2396 | * is not really needed once we start adding the stat specific PERF_RECORD_ | |
2397 | * records, but the need to suppress the kptr_restrict messages in older | |
2398 | * tools remain -acme | |
4979d0c7 JO |
2399 | */ |
2400 | int fd = perf_data_file__fd(&perf_stat.file); | |
2401 | int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, | |
2402 | process_synthesized_event, | |
2403 | &perf_stat.session->machines.host); | |
2404 | if (err) { | |
2405 | pr_warning("Couldn't synthesize the kernel mmap record, harmless, " | |
2406 | "older tools may produce warnings about this file\n."); | |
2407 | } | |
2408 | ||
7aad0c32 JO |
2409 | if (!interval) { |
2410 | if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) | |
2411 | pr_err("failed to write stat round event\n"); | |
2412 | } | |
2413 | ||
664c98d4 JO |
2414 | if (!perf_stat.file.is_pipe) { |
2415 | perf_stat.session->header.data_size += perf_stat.bytes_written; | |
2416 | perf_session__write_header(perf_stat.session, evsel_list, fd, true); | |
2417 | } | |
4979d0c7 JO |
2418 | |
2419 | perf_session__delete(perf_stat.session); | |
2420 | } | |
2421 | ||
544c2ae7 | 2422 | perf_stat__exit_aggr_mode(); |
d134ffb9 | 2423 | perf_evlist__free_stats(evsel_list); |
0015e2e1 ACM |
2424 | out: |
2425 | perf_evlist__delete(evsel_list); | |
42202dd5 | 2426 | return status; |
ddcacfa0 | 2427 | } |