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" |
148be2c1 | 46 | #include "util/util.h" |
5242519b IM |
47 | #include "util/parse-options.h" |
48 | #include "util/parse-events.h" | |
8f28827a | 49 | #include "util/event.h" |
361c99a6 | 50 | #include "util/evlist.h" |
69aad6f1 | 51 | #include "util/evsel.h" |
8f28827a | 52 | #include "util/debug.h" |
a5d243d0 | 53 | #include "util/color.h" |
0007ecea | 54 | #include "util/stat.h" |
60666c63 | 55 | #include "util/header.h" |
a12b51c4 | 56 | #include "util/cpumap.h" |
d6d901c2 | 57 | #include "util/thread.h" |
fd78260b | 58 | #include "util/thread_map.h" |
ddcacfa0 | 59 | |
1f16c575 | 60 | #include <stdlib.h> |
ddcacfa0 | 61 | #include <sys/prctl.h> |
5af52b51 | 62 | #include <locale.h> |
16c8a109 | 63 | |
d7470b6a | 64 | #define DEFAULT_SEPARATOR " " |
2cee77c4 DA |
65 | #define CNTR_NOT_SUPPORTED "<not supported>" |
66 | #define CNTR_NOT_COUNTED "<not counted>" | |
d7470b6a | 67 | |
13370a9b SE |
68 | static void print_stat(int argc, const char **argv); |
69 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix); | |
70 | static void print_counter(struct perf_evsel *counter, char *prefix); | |
d7e7a451 | 71 | static void print_aggr_socket(char *prefix); |
13370a9b | 72 | |
666e6d48 | 73 | static struct perf_evlist *evsel_list; |
361c99a6 | 74 | |
77a6f014 NK |
75 | static struct perf_target target = { |
76 | .uid = UINT_MAX, | |
77 | }; | |
ddcacfa0 | 78 | |
3d632595 | 79 | static int run_count = 1; |
2e6cdf99 | 80 | static bool no_inherit = false; |
c0555642 | 81 | static bool scale = true; |
f5b4a9c3 | 82 | static bool no_aggr = false; |
d7e7a451 | 83 | static bool aggr_socket = false; |
933da83a | 84 | static pid_t child_pid = -1; |
c0555642 | 85 | static bool null_run = false; |
2cba3ffb | 86 | static int detailed_run = 0; |
201e0b06 | 87 | static bool big_num = true; |
d7470b6a | 88 | static int big_num_opt = -1; |
d7470b6a SE |
89 | static const char *csv_sep = NULL; |
90 | static bool csv_output = false; | |
43bece79 | 91 | static bool group = false; |
4aa9015f | 92 | static FILE *output = NULL; |
1f16c575 PZ |
93 | static const char *pre_cmd = NULL; |
94 | static const char *post_cmd = NULL; | |
95 | static bool sync_run = false; | |
13370a9b | 96 | static unsigned int interval = 0; |
a7e191c3 | 97 | static bool forever = false; |
13370a9b | 98 | static struct timespec ref_time; |
d7e7a451 | 99 | static struct cpu_map *sock_map; |
5af52b51 | 100 | |
60666c63 LW |
101 | static volatile int done = 0; |
102 | ||
69aad6f1 ACM |
103 | struct perf_stat { |
104 | struct stats res_stats[3]; | |
69aad6f1 ACM |
105 | }; |
106 | ||
13370a9b SE |
107 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
108 | struct timespec *b) | |
109 | { | |
110 | r->tv_sec = a->tv_sec - b->tv_sec; | |
111 | if (a->tv_nsec < b->tv_nsec) { | |
112 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; | |
113 | r->tv_sec--; | |
114 | } else { | |
115 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; | |
116 | } | |
117 | } | |
118 | ||
119 | static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel) | |
120 | { | |
121 | return (evsel->cpus && !target.cpu_list) ? evsel->cpus : evsel_list->cpus; | |
122 | } | |
123 | ||
124 | static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel) | |
125 | { | |
126 | return perf_evsel__cpus(evsel)->nr; | |
127 | } | |
128 | ||
a7e191c3 FD |
129 | static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel) |
130 | { | |
131 | memset(evsel->priv, 0, sizeof(struct perf_stat)); | |
132 | } | |
133 | ||
c52b12ed | 134 | static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel) |
69aad6f1 | 135 | { |
c52b12ed | 136 | evsel->priv = zalloc(sizeof(struct perf_stat)); |
69aad6f1 ACM |
137 | return evsel->priv == NULL ? -ENOMEM : 0; |
138 | } | |
139 | ||
140 | static void perf_evsel__free_stat_priv(struct perf_evsel *evsel) | |
141 | { | |
142 | free(evsel->priv); | |
143 | evsel->priv = NULL; | |
144 | } | |
145 | ||
13370a9b | 146 | static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel) |
7ae92e74 | 147 | { |
13370a9b SE |
148 | void *addr; |
149 | size_t sz; | |
150 | ||
151 | sz = sizeof(*evsel->counts) + | |
152 | (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values)); | |
153 | ||
154 | addr = zalloc(sz); | |
155 | if (!addr) | |
156 | return -ENOMEM; | |
157 | ||
158 | evsel->prev_raw_counts = addr; | |
159 | ||
160 | return 0; | |
7ae92e74 YZ |
161 | } |
162 | ||
13370a9b | 163 | static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) |
7ae92e74 | 164 | { |
13370a9b SE |
165 | free(evsel->prev_raw_counts); |
166 | evsel->prev_raw_counts = NULL; | |
7ae92e74 YZ |
167 | } |
168 | ||
d134ffb9 ACM |
169 | static void perf_evlist__free_stats(struct perf_evlist *evlist) |
170 | { | |
171 | struct perf_evsel *evsel; | |
172 | ||
173 | list_for_each_entry(evsel, &evlist->entries, node) { | |
174 | perf_evsel__free_stat_priv(evsel); | |
175 | perf_evsel__free_counts(evsel); | |
176 | perf_evsel__free_prev_raw_counts(evsel); | |
177 | } | |
178 | } | |
179 | ||
180 | static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw) | |
181 | { | |
182 | struct perf_evsel *evsel; | |
183 | ||
184 | list_for_each_entry(evsel, &evlist->entries, node) { | |
185 | if (perf_evsel__alloc_stat_priv(evsel) < 0 || | |
186 | perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 || | |
187 | (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0)) | |
188 | goto out_free; | |
189 | } | |
190 | ||
191 | return 0; | |
192 | ||
193 | out_free: | |
194 | perf_evlist__free_stats(evlist); | |
195 | return -1; | |
196 | } | |
197 | ||
666e6d48 RR |
198 | static struct stats runtime_nsecs_stats[MAX_NR_CPUS]; |
199 | static struct stats runtime_cycles_stats[MAX_NR_CPUS]; | |
200 | static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS]; | |
201 | static struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS]; | |
202 | static struct stats runtime_branches_stats[MAX_NR_CPUS]; | |
203 | static struct stats runtime_cacherefs_stats[MAX_NR_CPUS]; | |
204 | static struct stats runtime_l1_dcache_stats[MAX_NR_CPUS]; | |
205 | static struct stats runtime_l1_icache_stats[MAX_NR_CPUS]; | |
206 | static struct stats runtime_ll_cache_stats[MAX_NR_CPUS]; | |
207 | static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; | |
208 | static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; | |
209 | static struct stats walltime_nsecs_stats; | |
be1ac0d8 | 210 | |
d134ffb9 | 211 | static void perf_stat__reset_stats(struct perf_evlist *evlist) |
a7e191c3 | 212 | { |
d134ffb9 ACM |
213 | struct perf_evsel *evsel; |
214 | ||
215 | list_for_each_entry(evsel, &evlist->entries, node) { | |
216 | perf_evsel__reset_stat_priv(evsel); | |
217 | perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); | |
218 | } | |
219 | ||
a7e191c3 FD |
220 | memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats)); |
221 | memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats)); | |
222 | memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats)); | |
223 | memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats)); | |
224 | memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats)); | |
225 | memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats)); | |
226 | memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats)); | |
227 | memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats)); | |
228 | memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats)); | |
229 | memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats)); | |
230 | memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats)); | |
231 | memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats)); | |
232 | } | |
233 | ||
cac21425 | 234 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
ddcacfa0 | 235 | { |
69aad6f1 | 236 | struct perf_event_attr *attr = &evsel->attr; |
727ab04e | 237 | |
ddcacfa0 | 238 | if (scale) |
a21ca2ca IM |
239 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
240 | PERF_FORMAT_TOTAL_TIME_RUNNING; | |
ddcacfa0 | 241 | |
5d2cd909 ACM |
242 | attr->inherit = !no_inherit; |
243 | ||
594ac61a ACM |
244 | if (perf_target__has_cpu(&target)) |
245 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); | |
5622c07b | 246 | |
07ac002f | 247 | if (!perf_target__has_task(&target) && |
823254ed | 248 | perf_evsel__is_group_leader(evsel)) { |
48290609 ACM |
249 | attr->disabled = 1; |
250 | attr->enable_on_exec = 1; | |
ddcacfa0 | 251 | } |
084ab9f8 | 252 | |
594ac61a | 253 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
ddcacfa0 IM |
254 | } |
255 | ||
c04f5e5d IM |
256 | /* |
257 | * Does the counter have nsecs as a unit? | |
258 | */ | |
daec78a0 | 259 | static inline int nsec_counter(struct perf_evsel *evsel) |
c04f5e5d | 260 | { |
daec78a0 ACM |
261 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
262 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) | |
c04f5e5d IM |
263 | return 1; |
264 | ||
265 | return 0; | |
266 | } | |
267 | ||
dcd9936a IM |
268 | /* |
269 | * Update various tracking values we maintain to print | |
270 | * more semantic information such as miss/hit ratios, | |
271 | * instruction rates, etc: | |
272 | */ | |
273 | static void update_shadow_stats(struct perf_evsel *counter, u64 *count) | |
274 | { | |
275 | if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) | |
276 | update_stats(&runtime_nsecs_stats[0], count[0]); | |
277 | else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) | |
278 | update_stats(&runtime_cycles_stats[0], count[0]); | |
d3d1e86d IM |
279 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) |
280 | update_stats(&runtime_stalled_cycles_front_stats[0], count[0]); | |
129c04cb | 281 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) |
d3d1e86d | 282 | update_stats(&runtime_stalled_cycles_back_stats[0], count[0]); |
dcd9936a IM |
283 | else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) |
284 | update_stats(&runtime_branches_stats[0], count[0]); | |
285 | else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES)) | |
286 | update_stats(&runtime_cacherefs_stats[0], count[0]); | |
8bb6c79f IM |
287 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D)) |
288 | update_stats(&runtime_l1_dcache_stats[0], count[0]); | |
c3305257 IM |
289 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I)) |
290 | update_stats(&runtime_l1_icache_stats[0], count[0]); | |
291 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL)) | |
292 | update_stats(&runtime_ll_cache_stats[0], count[0]); | |
293 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB)) | |
294 | update_stats(&runtime_dtlb_cache_stats[0], count[0]); | |
295 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB)) | |
296 | update_stats(&runtime_itlb_cache_stats[0], count[0]); | |
dcd9936a IM |
297 | } |
298 | ||
c04f5e5d | 299 | /* |
2996f5dd | 300 | * Read out the results of a single counter: |
f5b4a9c3 | 301 | * aggregate counts across CPUs in system-wide mode |
c04f5e5d | 302 | */ |
c52b12ed | 303 | static int read_counter_aggr(struct perf_evsel *counter) |
c04f5e5d | 304 | { |
69aad6f1 | 305 | struct perf_stat *ps = counter->priv; |
c52b12ed ACM |
306 | u64 *count = counter->counts->aggr.values; |
307 | int i; | |
2996f5dd | 308 | |
7ae92e74 | 309 | if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter), |
b3a319d5 | 310 | thread_map__nr(evsel_list->threads), scale) < 0) |
c52b12ed | 311 | return -1; |
9e9772c4 PZ |
312 | |
313 | for (i = 0; i < 3; i++) | |
69aad6f1 | 314 | update_stats(&ps->res_stats[i], count[i]); |
9e9772c4 PZ |
315 | |
316 | if (verbose) { | |
4aa9015f | 317 | fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", |
7289f83c | 318 | perf_evsel__name(counter), count[0], count[1], count[2]); |
9e9772c4 PZ |
319 | } |
320 | ||
be1ac0d8 IM |
321 | /* |
322 | * Save the full runtime - to allow normalization during printout: | |
323 | */ | |
dcd9936a | 324 | update_shadow_stats(counter, count); |
c52b12ed ACM |
325 | |
326 | return 0; | |
f5b4a9c3 SE |
327 | } |
328 | ||
329 | /* | |
330 | * Read out the results of a single counter: | |
331 | * do not aggregate counts across CPUs in system-wide mode | |
332 | */ | |
c52b12ed | 333 | static int read_counter(struct perf_evsel *counter) |
f5b4a9c3 | 334 | { |
c52b12ed | 335 | u64 *count; |
f5b4a9c3 | 336 | int cpu; |
f5b4a9c3 | 337 | |
7ae92e74 | 338 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
c52b12ed ACM |
339 | if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0) |
340 | return -1; | |
f5b4a9c3 | 341 | |
c52b12ed | 342 | count = counter->counts->cpu[cpu].values; |
f5b4a9c3 | 343 | |
dcd9936a | 344 | update_shadow_stats(counter, count); |
f5b4a9c3 | 345 | } |
c52b12ed ACM |
346 | |
347 | return 0; | |
2996f5dd IM |
348 | } |
349 | ||
13370a9b SE |
350 | static void print_interval(void) |
351 | { | |
352 | static int num_print_interval; | |
353 | struct perf_evsel *counter; | |
354 | struct perf_stat *ps; | |
355 | struct timespec ts, rs; | |
356 | char prefix[64]; | |
357 | ||
358 | if (no_aggr) { | |
359 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
360 | ps = counter->priv; | |
361 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); | |
362 | read_counter(counter); | |
363 | } | |
364 | } else { | |
365 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
366 | ps = counter->priv; | |
367 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); | |
368 | read_counter_aggr(counter); | |
369 | } | |
370 | } | |
371 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
372 | diff_timespec(&rs, &ts, &ref_time); | |
373 | sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep); | |
374 | ||
375 | if (num_print_interval == 0 && !csv_output) { | |
d7e7a451 SE |
376 | if (aggr_socket) |
377 | fprintf(output, "# time socket cpus counts events\n"); | |
378 | else if (no_aggr) | |
13370a9b SE |
379 | fprintf(output, "# time CPU counts events\n"); |
380 | else | |
381 | fprintf(output, "# time counts events\n"); | |
382 | } | |
383 | ||
384 | if (++num_print_interval == 25) | |
385 | num_print_interval = 0; | |
386 | ||
d7e7a451 SE |
387 | if (aggr_socket) |
388 | print_aggr_socket(prefix); | |
389 | else if (no_aggr) { | |
13370a9b SE |
390 | list_for_each_entry(counter, &evsel_list->entries, node) |
391 | print_counter(counter, prefix); | |
392 | } else { | |
393 | list_for_each_entry(counter, &evsel_list->entries, node) | |
394 | print_counter_aggr(counter, prefix); | |
395 | } | |
396 | } | |
397 | ||
acf28922 | 398 | static int __run_perf_stat(int argc, const char **argv) |
42202dd5 | 399 | { |
56e52e85 | 400 | char msg[512]; |
42202dd5 | 401 | unsigned long long t0, t1; |
cac21425 | 402 | struct perf_evsel *counter; |
13370a9b | 403 | struct timespec ts; |
42202dd5 | 404 | int status = 0; |
6be2850e | 405 | const bool forks = (argc > 0); |
42202dd5 | 406 | |
13370a9b SE |
407 | if (interval) { |
408 | ts.tv_sec = interval / 1000; | |
409 | ts.tv_nsec = (interval % 1000) * 1000000; | |
410 | } else { | |
411 | ts.tv_sec = 1; | |
412 | ts.tv_nsec = 0; | |
413 | } | |
414 | ||
d7e7a451 SE |
415 | if (aggr_socket |
416 | && cpu_map__build_socket_map(evsel_list->cpus, &sock_map)) { | |
417 | perror("cannot build socket map"); | |
418 | return -1; | |
419 | } | |
420 | ||
60666c63 | 421 | if (forks) { |
acf28922 NK |
422 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, |
423 | false, false) < 0) { | |
424 | perror("failed to prepare workload"); | |
425 | return -1; | |
60666c63 | 426 | } |
051ae7f7 PM |
427 | } |
428 | ||
6a4bb04c | 429 | if (group) |
63dab225 | 430 | perf_evlist__set_leader(evsel_list); |
6a4bb04c | 431 | |
361c99a6 | 432 | list_for_each_entry(counter, &evsel_list->entries, node) { |
cac21425 | 433 | if (create_perf_stat_counter(counter) < 0) { |
979987a5 DA |
434 | /* |
435 | * PPC returns ENXIO for HW counters until 2.6.37 | |
436 | * (behavior changed with commit b0a873e). | |
437 | */ | |
38f6ae1e | 438 | if (errno == EINVAL || errno == ENOSYS || |
979987a5 DA |
439 | errno == ENOENT || errno == EOPNOTSUPP || |
440 | errno == ENXIO) { | |
c63ca0c0 DA |
441 | if (verbose) |
442 | ui__warning("%s event is not supported by the kernel.\n", | |
7289f83c | 443 | perf_evsel__name(counter)); |
2cee77c4 | 444 | counter->supported = false; |
ede70290 | 445 | continue; |
c63ca0c0 | 446 | } |
ede70290 | 447 | |
56e52e85 ACM |
448 | perf_evsel__open_strerror(counter, &target, |
449 | errno, msg, sizeof(msg)); | |
450 | ui__error("%s\n", msg); | |
451 | ||
48290609 ACM |
452 | if (child_pid != -1) |
453 | kill(child_pid, SIGTERM); | |
fceda7fe | 454 | |
48290609 ACM |
455 | return -1; |
456 | } | |
2cee77c4 | 457 | counter->supported = true; |
084ab9f8 | 458 | } |
42202dd5 | 459 | |
1491a632 | 460 | if (perf_evlist__apply_filters(evsel_list)) { |
cfd748ae FW |
461 | error("failed to set filter with %d (%s)\n", errno, |
462 | strerror(errno)); | |
463 | return -1; | |
464 | } | |
465 | ||
42202dd5 IM |
466 | /* |
467 | * Enable counters and exec the command: | |
468 | */ | |
469 | t0 = rdclock(); | |
13370a9b | 470 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
42202dd5 | 471 | |
60666c63 | 472 | if (forks) { |
acf28922 NK |
473 | perf_evlist__start_workload(evsel_list); |
474 | ||
13370a9b SE |
475 | if (interval) { |
476 | while (!waitpid(child_pid, &status, WNOHANG)) { | |
477 | nanosleep(&ts, NULL); | |
478 | print_interval(); | |
479 | } | |
480 | } | |
60666c63 | 481 | wait(&status); |
33e49ea7 AK |
482 | if (WIFSIGNALED(status)) |
483 | psignal(WTERMSIG(status), argv[0]); | |
60666c63 | 484 | } else { |
13370a9b SE |
485 | while (!done) { |
486 | nanosleep(&ts, NULL); | |
487 | if (interval) | |
488 | print_interval(); | |
489 | } | |
60666c63 | 490 | } |
42202dd5 | 491 | |
42202dd5 IM |
492 | t1 = rdclock(); |
493 | ||
9e9772c4 | 494 | update_stats(&walltime_nsecs_stats, t1 - t0); |
42202dd5 | 495 | |
f5b4a9c3 | 496 | if (no_aggr) { |
361c99a6 | 497 | list_for_each_entry(counter, &evsel_list->entries, node) { |
f5b4a9c3 | 498 | read_counter(counter); |
7ae92e74 | 499 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1); |
c52b12ed | 500 | } |
f5b4a9c3 | 501 | } else { |
361c99a6 | 502 | list_for_each_entry(counter, &evsel_list->entries, node) { |
f5b4a9c3 | 503 | read_counter_aggr(counter); |
7ae92e74 | 504 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
b3a319d5 | 505 | thread_map__nr(evsel_list->threads)); |
c52b12ed | 506 | } |
f5b4a9c3 | 507 | } |
c52b12ed | 508 | |
42202dd5 IM |
509 | return WEXITSTATUS(status); |
510 | } | |
511 | ||
1f16c575 PZ |
512 | static int run_perf_stat(int argc __maybe_unused, const char **argv) |
513 | { | |
514 | int ret; | |
515 | ||
516 | if (pre_cmd) { | |
517 | ret = system(pre_cmd); | |
518 | if (ret) | |
519 | return ret; | |
520 | } | |
521 | ||
522 | if (sync_run) | |
523 | sync(); | |
524 | ||
525 | ret = __run_perf_stat(argc, argv); | |
526 | if (ret) | |
527 | return ret; | |
528 | ||
529 | if (post_cmd) { | |
530 | ret = system(post_cmd); | |
531 | if (ret) | |
532 | return ret; | |
533 | } | |
534 | ||
535 | return ret; | |
536 | } | |
537 | ||
f99844cb IM |
538 | static void print_noise_pct(double total, double avg) |
539 | { | |
0007ecea | 540 | double pct = rel_stddev_stats(total, avg); |
f99844cb | 541 | |
3ae9a34d | 542 | if (csv_output) |
4aa9015f | 543 | fprintf(output, "%s%.2f%%", csv_sep, pct); |
a1bca6cc | 544 | else if (pct) |
4aa9015f | 545 | fprintf(output, " ( +-%6.2f%% )", pct); |
f99844cb IM |
546 | } |
547 | ||
69aad6f1 | 548 | static void print_noise(struct perf_evsel *evsel, double avg) |
42202dd5 | 549 | { |
69aad6f1 ACM |
550 | struct perf_stat *ps; |
551 | ||
849abde9 PZ |
552 | if (run_count == 1) |
553 | return; | |
554 | ||
69aad6f1 | 555 | ps = evsel->priv; |
f99844cb | 556 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
42202dd5 IM |
557 | } |
558 | ||
d7e7a451 | 559 | static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
44175b6f | 560 | { |
506d4bc8 | 561 | double msecs = avg / 1e6; |
d7470b6a | 562 | char cpustr[16] = { '\0', }; |
2cba3ffb | 563 | const char *fmt = csv_output ? "%s%.6f%s%s" : "%s%18.6f%s%-25s"; |
44175b6f | 564 | |
d7e7a451 SE |
565 | if (aggr_socket) |
566 | sprintf(cpustr, "S%*d%s%*d%s", | |
567 | csv_output ? 0 : -5, | |
568 | cpu, | |
569 | csv_sep, | |
570 | csv_output ? 0 : 4, | |
571 | nr, | |
572 | csv_sep); | |
573 | else if (no_aggr) | |
d7470b6a SE |
574 | sprintf(cpustr, "CPU%*d%s", |
575 | csv_output ? 0 : -4, | |
7ae92e74 | 576 | perf_evsel__cpus(evsel)->map[cpu], csv_sep); |
d7470b6a | 577 | |
7289f83c | 578 | fprintf(output, fmt, cpustr, msecs, csv_sep, perf_evsel__name(evsel)); |
d7470b6a | 579 | |
023695d9 | 580 | if (evsel->cgrp) |
4aa9015f | 581 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
023695d9 | 582 | |
13370a9b | 583 | if (csv_output || interval) |
d7470b6a | 584 | return; |
44175b6f | 585 | |
daec78a0 | 586 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
4aa9015f SE |
587 | fprintf(output, " # %8.3f CPUs utilized ", |
588 | avg / avg_stats(&walltime_nsecs_stats)); | |
9dac6a29 NK |
589 | else |
590 | fprintf(output, " "); | |
44175b6f IM |
591 | } |
592 | ||
15e6392f NK |
593 | /* used for get_ratio_color() */ |
594 | enum grc_type { | |
595 | GRC_STALLED_CYCLES_FE, | |
596 | GRC_STALLED_CYCLES_BE, | |
597 | GRC_CACHE_MISSES, | |
598 | GRC_MAX_NR | |
599 | }; | |
600 | ||
601 | static const char *get_ratio_color(enum grc_type type, double ratio) | |
602 | { | |
603 | static const double grc_table[GRC_MAX_NR][3] = { | |
604 | [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 }, | |
605 | [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 }, | |
606 | [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 }, | |
607 | }; | |
608 | const char *color = PERF_COLOR_NORMAL; | |
609 | ||
610 | if (ratio > grc_table[type][0]) | |
611 | color = PERF_COLOR_RED; | |
612 | else if (ratio > grc_table[type][1]) | |
613 | color = PERF_COLOR_MAGENTA; | |
614 | else if (ratio > grc_table[type][2]) | |
615 | color = PERF_COLOR_YELLOW; | |
616 | ||
617 | return color; | |
618 | } | |
619 | ||
1d037ca1 IT |
620 | static void print_stalled_cycles_frontend(int cpu, |
621 | struct perf_evsel *evsel | |
622 | __maybe_unused, double avg) | |
d3d1e86d IM |
623 | { |
624 | double total, ratio = 0.0; | |
625 | const char *color; | |
626 | ||
627 | total = avg_stats(&runtime_cycles_stats[cpu]); | |
628 | ||
629 | if (total) | |
630 | ratio = avg / total * 100.0; | |
631 | ||
15e6392f | 632 | color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); |
d3d1e86d | 633 | |
4aa9015f SE |
634 | fprintf(output, " # "); |
635 | color_fprintf(output, color, "%6.2f%%", ratio); | |
636 | fprintf(output, " frontend cycles idle "); | |
d3d1e86d IM |
637 | } |
638 | ||
1d037ca1 IT |
639 | static void print_stalled_cycles_backend(int cpu, |
640 | struct perf_evsel *evsel | |
641 | __maybe_unused, double avg) | |
a5d243d0 IM |
642 | { |
643 | double total, ratio = 0.0; | |
644 | const char *color; | |
645 | ||
646 | total = avg_stats(&runtime_cycles_stats[cpu]); | |
647 | ||
648 | if (total) | |
649 | ratio = avg / total * 100.0; | |
650 | ||
15e6392f | 651 | color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio); |
a5d243d0 | 652 | |
4aa9015f SE |
653 | fprintf(output, " # "); |
654 | color_fprintf(output, color, "%6.2f%%", ratio); | |
655 | fprintf(output, " backend cycles idle "); | |
a5d243d0 IM |
656 | } |
657 | ||
1d037ca1 IT |
658 | static void print_branch_misses(int cpu, |
659 | struct perf_evsel *evsel __maybe_unused, | |
660 | double avg) | |
c78df6c1 IM |
661 | { |
662 | double total, ratio = 0.0; | |
663 | const char *color; | |
664 | ||
665 | total = avg_stats(&runtime_branches_stats[cpu]); | |
666 | ||
667 | if (total) | |
668 | ratio = avg / total * 100.0; | |
669 | ||
15e6392f | 670 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c78df6c1 | 671 | |
4aa9015f SE |
672 | fprintf(output, " # "); |
673 | color_fprintf(output, color, "%6.2f%%", ratio); | |
674 | fprintf(output, " of all branches "); | |
c78df6c1 IM |
675 | } |
676 | ||
1d037ca1 IT |
677 | static void print_l1_dcache_misses(int cpu, |
678 | struct perf_evsel *evsel __maybe_unused, | |
679 | double avg) | |
8bb6c79f IM |
680 | { |
681 | double total, ratio = 0.0; | |
682 | const char *color; | |
683 | ||
684 | total = avg_stats(&runtime_l1_dcache_stats[cpu]); | |
685 | ||
686 | if (total) | |
687 | ratio = avg / total * 100.0; | |
688 | ||
15e6392f | 689 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
8bb6c79f | 690 | |
4aa9015f SE |
691 | fprintf(output, " # "); |
692 | color_fprintf(output, color, "%6.2f%%", ratio); | |
693 | fprintf(output, " of all L1-dcache hits "); | |
8bb6c79f IM |
694 | } |
695 | ||
1d037ca1 IT |
696 | static void print_l1_icache_misses(int cpu, |
697 | struct perf_evsel *evsel __maybe_unused, | |
698 | double avg) | |
c3305257 IM |
699 | { |
700 | double total, ratio = 0.0; | |
701 | const char *color; | |
702 | ||
703 | total = avg_stats(&runtime_l1_icache_stats[cpu]); | |
704 | ||
705 | if (total) | |
706 | ratio = avg / total * 100.0; | |
707 | ||
15e6392f | 708 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 709 | |
4aa9015f SE |
710 | fprintf(output, " # "); |
711 | color_fprintf(output, color, "%6.2f%%", ratio); | |
712 | fprintf(output, " of all L1-icache hits "); | |
c3305257 IM |
713 | } |
714 | ||
1d037ca1 IT |
715 | static void print_dtlb_cache_misses(int cpu, |
716 | struct perf_evsel *evsel __maybe_unused, | |
717 | double avg) | |
c3305257 IM |
718 | { |
719 | double total, ratio = 0.0; | |
720 | const char *color; | |
721 | ||
722 | total = avg_stats(&runtime_dtlb_cache_stats[cpu]); | |
723 | ||
724 | if (total) | |
725 | ratio = avg / total * 100.0; | |
726 | ||
15e6392f | 727 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 728 | |
4aa9015f SE |
729 | fprintf(output, " # "); |
730 | color_fprintf(output, color, "%6.2f%%", ratio); | |
731 | fprintf(output, " of all dTLB cache hits "); | |
c3305257 IM |
732 | } |
733 | ||
1d037ca1 IT |
734 | static void print_itlb_cache_misses(int cpu, |
735 | struct perf_evsel *evsel __maybe_unused, | |
736 | double avg) | |
c3305257 IM |
737 | { |
738 | double total, ratio = 0.0; | |
739 | const char *color; | |
740 | ||
741 | total = avg_stats(&runtime_itlb_cache_stats[cpu]); | |
742 | ||
743 | if (total) | |
744 | ratio = avg / total * 100.0; | |
745 | ||
15e6392f | 746 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 747 | |
4aa9015f SE |
748 | fprintf(output, " # "); |
749 | color_fprintf(output, color, "%6.2f%%", ratio); | |
750 | fprintf(output, " of all iTLB cache hits "); | |
c3305257 IM |
751 | } |
752 | ||
1d037ca1 IT |
753 | static void print_ll_cache_misses(int cpu, |
754 | struct perf_evsel *evsel __maybe_unused, | |
755 | double avg) | |
c3305257 IM |
756 | { |
757 | double total, ratio = 0.0; | |
758 | const char *color; | |
759 | ||
760 | total = avg_stats(&runtime_ll_cache_stats[cpu]); | |
761 | ||
762 | if (total) | |
763 | ratio = avg / total * 100.0; | |
764 | ||
15e6392f | 765 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 766 | |
4aa9015f SE |
767 | fprintf(output, " # "); |
768 | color_fprintf(output, color, "%6.2f%%", ratio); | |
769 | fprintf(output, " of all LL-cache hits "); | |
c3305257 IM |
770 | } |
771 | ||
d7e7a451 | 772 | static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
44175b6f | 773 | { |
c7f7fea3 | 774 | double total, ratio = 0.0; |
f5b4a9c3 | 775 | char cpustr[16] = { '\0', }; |
d7470b6a SE |
776 | const char *fmt; |
777 | ||
778 | if (csv_output) | |
779 | fmt = "%s%.0f%s%s"; | |
780 | else if (big_num) | |
2cba3ffb | 781 | fmt = "%s%'18.0f%s%-25s"; |
d7470b6a | 782 | else |
2cba3ffb | 783 | fmt = "%s%18.0f%s%-25s"; |
f5b4a9c3 | 784 | |
d7e7a451 SE |
785 | if (aggr_socket) |
786 | sprintf(cpustr, "S%*d%s%*d%s", | |
787 | csv_output ? 0 : -5, | |
788 | cpu, | |
789 | csv_sep, | |
790 | csv_output ? 0 : 4, | |
791 | nr, | |
792 | csv_sep); | |
793 | else if (no_aggr) | |
d7470b6a SE |
794 | sprintf(cpustr, "CPU%*d%s", |
795 | csv_output ? 0 : -4, | |
7ae92e74 | 796 | perf_evsel__cpus(evsel)->map[cpu], csv_sep); |
f5b4a9c3 SE |
797 | else |
798 | cpu = 0; | |
c7f7fea3 | 799 | |
7289f83c | 800 | fprintf(output, fmt, cpustr, avg, csv_sep, perf_evsel__name(evsel)); |
d7470b6a | 801 | |
023695d9 | 802 | if (evsel->cgrp) |
4aa9015f | 803 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
023695d9 | 804 | |
13370a9b | 805 | if (csv_output || interval) |
d7470b6a | 806 | return; |
44175b6f | 807 | |
daec78a0 | 808 | if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) { |
f5b4a9c3 | 809 | total = avg_stats(&runtime_cycles_stats[cpu]); |
c7f7fea3 IM |
810 | if (total) |
811 | ratio = avg / total; | |
812 | ||
4aa9015f | 813 | fprintf(output, " # %5.2f insns per cycle ", ratio); |
481f988a | 814 | |
d3d1e86d IM |
815 | total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]); |
816 | total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu])); | |
481f988a IM |
817 | |
818 | if (total && avg) { | |
819 | ratio = total / avg; | |
4aa9015f | 820 | fprintf(output, "\n # %5.2f stalled cycles per insn", ratio); |
481f988a IM |
821 | } |
822 | ||
daec78a0 | 823 | } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) && |
f5b4a9c3 | 824 | runtime_branches_stats[cpu].n != 0) { |
c78df6c1 | 825 | print_branch_misses(cpu, evsel, avg); |
8bb6c79f IM |
826 | } else if ( |
827 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
828 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D | | |
829 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
830 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
c6264def | 831 | runtime_l1_dcache_stats[cpu].n != 0) { |
8bb6c79f | 832 | print_l1_dcache_misses(cpu, evsel, avg); |
c3305257 IM |
833 | } else if ( |
834 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
835 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I | | |
836 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
837 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
838 | runtime_l1_icache_stats[cpu].n != 0) { | |
839 | print_l1_icache_misses(cpu, evsel, avg); | |
840 | } else if ( | |
841 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
842 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB | | |
843 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
844 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
845 | runtime_dtlb_cache_stats[cpu].n != 0) { | |
846 | print_dtlb_cache_misses(cpu, evsel, avg); | |
847 | } else if ( | |
848 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
849 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB | | |
850 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
851 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
852 | runtime_itlb_cache_stats[cpu].n != 0) { | |
853 | print_itlb_cache_misses(cpu, evsel, avg); | |
854 | } else if ( | |
855 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
856 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL | | |
857 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
858 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
859 | runtime_ll_cache_stats[cpu].n != 0) { | |
860 | print_ll_cache_misses(cpu, evsel, avg); | |
d58f4c82 IM |
861 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) && |
862 | runtime_cacherefs_stats[cpu].n != 0) { | |
863 | total = avg_stats(&runtime_cacherefs_stats[cpu]); | |
864 | ||
865 | if (total) | |
866 | ratio = avg * 100 / total; | |
867 | ||
4aa9015f | 868 | fprintf(output, " # %8.3f %% of all cache refs ", ratio); |
d58f4c82 | 869 | |
d3d1e86d IM |
870 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) { |
871 | print_stalled_cycles_frontend(cpu, evsel, avg); | |
129c04cb | 872 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { |
d3d1e86d | 873 | print_stalled_cycles_backend(cpu, evsel, avg); |
481f988a | 874 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { |
f5b4a9c3 | 875 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
c7f7fea3 IM |
876 | |
877 | if (total) | |
481f988a | 878 | ratio = 1.0 * avg / total; |
c7f7fea3 | 879 | |
4aa9015f | 880 | fprintf(output, " # %8.3f GHz ", ratio); |
481f988a | 881 | } else if (runtime_nsecs_stats[cpu].n != 0) { |
5fde2523 NK |
882 | char unit = 'M'; |
883 | ||
481f988a | 884 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
11ba2b85 IM |
885 | |
886 | if (total) | |
481f988a | 887 | ratio = 1000.0 * avg / total; |
5fde2523 NK |
888 | if (ratio < 0.001) { |
889 | ratio *= 1000; | |
890 | unit = 'K'; | |
891 | } | |
11ba2b85 | 892 | |
5fde2523 | 893 | fprintf(output, " # %8.3f %c/sec ", ratio, unit); |
a5d243d0 | 894 | } else { |
4aa9015f | 895 | fprintf(output, " "); |
44175b6f | 896 | } |
44175b6f IM |
897 | } |
898 | ||
d7e7a451 SE |
899 | static void print_aggr_socket(char *prefix) |
900 | { | |
901 | struct perf_evsel *counter; | |
902 | u64 ena, run, val; | |
903 | int cpu, s, s2, sock, nr; | |
904 | ||
905 | if (!sock_map) | |
906 | return; | |
907 | ||
908 | for (s = 0; s < sock_map->nr; s++) { | |
909 | sock = cpu_map__socket(sock_map, s); | |
910 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
911 | val = ena = run = 0; | |
912 | nr = 0; | |
913 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
914 | s2 = cpu_map__get_socket(evsel_list->cpus, cpu); | |
915 | if (s2 != sock) | |
916 | continue; | |
917 | val += counter->counts->cpu[cpu].val; | |
918 | ena += counter->counts->cpu[cpu].ena; | |
919 | run += counter->counts->cpu[cpu].run; | |
920 | nr++; | |
921 | } | |
922 | if (prefix) | |
923 | fprintf(output, "%s", prefix); | |
924 | ||
925 | if (run == 0 || ena == 0) { | |
926 | fprintf(output, "S%*d%s%*d%s%*s%s%*s", | |
927 | csv_output ? 0 : -5, | |
928 | s, | |
929 | csv_sep, | |
930 | csv_output ? 0 : 4, | |
931 | nr, | |
932 | csv_sep, | |
933 | csv_output ? 0 : 18, | |
934 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, | |
935 | csv_sep, | |
936 | csv_output ? 0 : -24, | |
937 | perf_evsel__name(counter)); | |
938 | if (counter->cgrp) | |
939 | fprintf(output, "%s%s", | |
940 | csv_sep, counter->cgrp->name); | |
941 | ||
942 | fputc('\n', output); | |
943 | continue; | |
944 | } | |
945 | ||
946 | if (nsec_counter(counter)) | |
947 | nsec_printout(sock, nr, counter, val); | |
948 | else | |
949 | abs_printout(sock, nr, counter, val); | |
950 | ||
951 | if (!csv_output) { | |
952 | print_noise(counter, 1.0); | |
953 | ||
954 | if (run != ena) | |
955 | fprintf(output, " (%.2f%%)", | |
956 | 100.0 * run / ena); | |
957 | } | |
958 | fputc('\n', output); | |
959 | } | |
960 | } | |
961 | } | |
962 | ||
2996f5dd IM |
963 | /* |
964 | * Print out the results of a single counter: | |
f5b4a9c3 | 965 | * aggregated counts in system-wide mode |
2996f5dd | 966 | */ |
13370a9b | 967 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
2996f5dd | 968 | { |
69aad6f1 ACM |
969 | struct perf_stat *ps = counter->priv; |
970 | double avg = avg_stats(&ps->res_stats[0]); | |
c52b12ed | 971 | int scaled = counter->counts->scaled; |
2996f5dd | 972 | |
13370a9b SE |
973 | if (prefix) |
974 | fprintf(output, "%s", prefix); | |
975 | ||
2996f5dd | 976 | if (scaled == -1) { |
4aa9015f | 977 | fprintf(output, "%*s%s%*s", |
d7470b6a | 978 | csv_output ? 0 : 18, |
2cee77c4 | 979 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
023695d9 SE |
980 | csv_sep, |
981 | csv_output ? 0 : -24, | |
7289f83c | 982 | perf_evsel__name(counter)); |
023695d9 SE |
983 | |
984 | if (counter->cgrp) | |
4aa9015f | 985 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
023695d9 | 986 | |
4aa9015f | 987 | fputc('\n', output); |
2996f5dd IM |
988 | return; |
989 | } | |
c04f5e5d | 990 | |
44175b6f | 991 | if (nsec_counter(counter)) |
d7e7a451 | 992 | nsec_printout(-1, 0, counter, avg); |
44175b6f | 993 | else |
d7e7a451 | 994 | abs_printout(-1, 0, counter, avg); |
849abde9 | 995 | |
3ae9a34d ZH |
996 | print_noise(counter, avg); |
997 | ||
d7470b6a | 998 | if (csv_output) { |
4aa9015f | 999 | fputc('\n', output); |
d7470b6a SE |
1000 | return; |
1001 | } | |
1002 | ||
506d4bc8 PZ |
1003 | if (scaled) { |
1004 | double avg_enabled, avg_running; | |
1005 | ||
69aad6f1 ACM |
1006 | avg_enabled = avg_stats(&ps->res_stats[1]); |
1007 | avg_running = avg_stats(&ps->res_stats[2]); | |
d7c29318 | 1008 | |
4aa9015f | 1009 | fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled); |
506d4bc8 | 1010 | } |
4aa9015f | 1011 | fprintf(output, "\n"); |
c04f5e5d IM |
1012 | } |
1013 | ||
f5b4a9c3 SE |
1014 | /* |
1015 | * Print out the results of a single counter: | |
1016 | * does not use aggregated count in system-wide | |
1017 | */ | |
13370a9b | 1018 | static void print_counter(struct perf_evsel *counter, char *prefix) |
f5b4a9c3 SE |
1019 | { |
1020 | u64 ena, run, val; | |
1021 | int cpu; | |
1022 | ||
7ae92e74 | 1023 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
c52b12ed ACM |
1024 | val = counter->counts->cpu[cpu].val; |
1025 | ena = counter->counts->cpu[cpu].ena; | |
1026 | run = counter->counts->cpu[cpu].run; | |
13370a9b SE |
1027 | |
1028 | if (prefix) | |
1029 | fprintf(output, "%s", prefix); | |
1030 | ||
f5b4a9c3 | 1031 | if (run == 0 || ena == 0) { |
4aa9015f | 1032 | fprintf(output, "CPU%*d%s%*s%s%*s", |
d7470b6a | 1033 | csv_output ? 0 : -4, |
7ae92e74 | 1034 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
d7470b6a | 1035 | csv_output ? 0 : 18, |
2cee77c4 DA |
1036 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
1037 | csv_sep, | |
023695d9 | 1038 | csv_output ? 0 : -24, |
7289f83c | 1039 | perf_evsel__name(counter)); |
f5b4a9c3 | 1040 | |
023695d9 | 1041 | if (counter->cgrp) |
4aa9015f SE |
1042 | fprintf(output, "%s%s", |
1043 | csv_sep, counter->cgrp->name); | |
023695d9 | 1044 | |
4aa9015f | 1045 | fputc('\n', output); |
f5b4a9c3 SE |
1046 | continue; |
1047 | } | |
1048 | ||
1049 | if (nsec_counter(counter)) | |
d7e7a451 | 1050 | nsec_printout(cpu, 0, counter, val); |
f5b4a9c3 | 1051 | else |
d7e7a451 | 1052 | abs_printout(cpu, 0, counter, val); |
f5b4a9c3 | 1053 | |
d7470b6a SE |
1054 | if (!csv_output) { |
1055 | print_noise(counter, 1.0); | |
f5b4a9c3 | 1056 | |
c6264def | 1057 | if (run != ena) |
4aa9015f SE |
1058 | fprintf(output, " (%.2f%%)", |
1059 | 100.0 * run / ena); | |
f5b4a9c3 | 1060 | } |
4aa9015f | 1061 | fputc('\n', output); |
f5b4a9c3 SE |
1062 | } |
1063 | } | |
1064 | ||
42202dd5 IM |
1065 | static void print_stat(int argc, const char **argv) |
1066 | { | |
69aad6f1 ACM |
1067 | struct perf_evsel *counter; |
1068 | int i; | |
42202dd5 | 1069 | |
ddcacfa0 IM |
1070 | fflush(stdout); |
1071 | ||
d7470b6a | 1072 | if (!csv_output) { |
4aa9015f SE |
1073 | fprintf(output, "\n"); |
1074 | fprintf(output, " Performance counter stats for "); | |
aa22dd49 | 1075 | if (!perf_target__has_task(&target)) { |
4aa9015f | 1076 | fprintf(output, "\'%s", argv[0]); |
d7470b6a | 1077 | for (i = 1; i < argc; i++) |
4aa9015f | 1078 | fprintf(output, " %s", argv[i]); |
20f946b4 NK |
1079 | } else if (target.pid) |
1080 | fprintf(output, "process id \'%s", target.pid); | |
d7470b6a | 1081 | else |
20f946b4 | 1082 | fprintf(output, "thread id \'%s", target.tid); |
44db76c8 | 1083 | |
4aa9015f | 1084 | fprintf(output, "\'"); |
d7470b6a | 1085 | if (run_count > 1) |
4aa9015f SE |
1086 | fprintf(output, " (%d runs)", run_count); |
1087 | fprintf(output, ":\n\n"); | |
d7470b6a | 1088 | } |
2996f5dd | 1089 | |
d7e7a451 SE |
1090 | if (aggr_socket) |
1091 | print_aggr_socket(NULL); | |
1092 | else if (no_aggr) { | |
361c99a6 | 1093 | list_for_each_entry(counter, &evsel_list->entries, node) |
13370a9b | 1094 | print_counter(counter, NULL); |
f5b4a9c3 | 1095 | } else { |
361c99a6 | 1096 | list_for_each_entry(counter, &evsel_list->entries, node) |
13370a9b | 1097 | print_counter_aggr(counter, NULL); |
f5b4a9c3 | 1098 | } |
ddcacfa0 | 1099 | |
d7470b6a | 1100 | if (!csv_output) { |
c3305257 | 1101 | if (!null_run) |
4aa9015f SE |
1102 | fprintf(output, "\n"); |
1103 | fprintf(output, " %17.9f seconds time elapsed", | |
d7470b6a SE |
1104 | avg_stats(&walltime_nsecs_stats)/1e9); |
1105 | if (run_count > 1) { | |
4aa9015f | 1106 | fprintf(output, " "); |
f99844cb IM |
1107 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), |
1108 | avg_stats(&walltime_nsecs_stats)); | |
d7470b6a | 1109 | } |
4aa9015f | 1110 | fprintf(output, "\n\n"); |
566747e6 | 1111 | } |
ddcacfa0 IM |
1112 | } |
1113 | ||
f7b7c26e PZ |
1114 | static volatile int signr = -1; |
1115 | ||
5242519b | 1116 | static void skip_signal(int signo) |
ddcacfa0 | 1117 | { |
13370a9b | 1118 | if ((child_pid == -1) || interval) |
60666c63 LW |
1119 | done = 1; |
1120 | ||
f7b7c26e PZ |
1121 | signr = signo; |
1122 | } | |
1123 | ||
1124 | static void sig_atexit(void) | |
1125 | { | |
933da83a CW |
1126 | if (child_pid != -1) |
1127 | kill(child_pid, SIGTERM); | |
1128 | ||
f7b7c26e PZ |
1129 | if (signr == -1) |
1130 | return; | |
1131 | ||
1132 | signal(signr, SIG_DFL); | |
1133 | kill(getpid(), signr); | |
5242519b IM |
1134 | } |
1135 | ||
1d037ca1 IT |
1136 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
1137 | const char *s __maybe_unused, int unset) | |
d7470b6a SE |
1138 | { |
1139 | big_num_opt = unset ? 0 : 1; | |
1140 | return 0; | |
1141 | } | |
1142 | ||
2cba3ffb IM |
1143 | /* |
1144 | * Add default attributes, if there were no attributes specified or | |
1145 | * if -d/--detailed, -d -d or -d -d -d is used: | |
1146 | */ | |
1147 | static int add_default_attributes(void) | |
1148 | { | |
b070a547 ACM |
1149 | struct perf_event_attr default_attrs[] = { |
1150 | ||
1151 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, | |
1152 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, | |
1153 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, | |
1154 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, | |
1155 | ||
1156 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, | |
1157 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, | |
1158 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, | |
1159 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, | |
1160 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, | |
1161 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, | |
1162 | ||
1163 | }; | |
1164 | ||
1165 | /* | |
1166 | * Detailed stats (-d), covering the L1 and last level data caches: | |
1167 | */ | |
1168 | struct perf_event_attr detailed_attrs[] = { | |
1169 | ||
1170 | { .type = PERF_TYPE_HW_CACHE, | |
1171 | .config = | |
1172 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1173 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1174 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1175 | ||
1176 | { .type = PERF_TYPE_HW_CACHE, | |
1177 | .config = | |
1178 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1179 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1180 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1181 | ||
1182 | { .type = PERF_TYPE_HW_CACHE, | |
1183 | .config = | |
1184 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1185 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1186 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1187 | ||
1188 | { .type = PERF_TYPE_HW_CACHE, | |
1189 | .config = | |
1190 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1191 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1192 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1193 | }; | |
1194 | ||
1195 | /* | |
1196 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: | |
1197 | */ | |
1198 | struct perf_event_attr very_detailed_attrs[] = { | |
1199 | ||
1200 | { .type = PERF_TYPE_HW_CACHE, | |
1201 | .config = | |
1202 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1203 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1204 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1205 | ||
1206 | { .type = PERF_TYPE_HW_CACHE, | |
1207 | .config = | |
1208 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1209 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1210 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1211 | ||
1212 | { .type = PERF_TYPE_HW_CACHE, | |
1213 | .config = | |
1214 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1215 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1216 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1217 | ||
1218 | { .type = PERF_TYPE_HW_CACHE, | |
1219 | .config = | |
1220 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1221 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1222 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1223 | ||
1224 | { .type = PERF_TYPE_HW_CACHE, | |
1225 | .config = | |
1226 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1227 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1228 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1229 | ||
1230 | { .type = PERF_TYPE_HW_CACHE, | |
1231 | .config = | |
1232 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1233 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1234 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1235 | ||
1236 | }; | |
1237 | ||
1238 | /* | |
1239 | * Very, very detailed stats (-d -d -d), adding prefetch events: | |
1240 | */ | |
1241 | struct perf_event_attr very_very_detailed_attrs[] = { | |
1242 | ||
1243 | { .type = PERF_TYPE_HW_CACHE, | |
1244 | .config = | |
1245 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1246 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1247 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1248 | ||
1249 | { .type = PERF_TYPE_HW_CACHE, | |
1250 | .config = | |
1251 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1252 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1253 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1254 | }; | |
1255 | ||
2cba3ffb IM |
1256 | /* Set attrs if no event is selected and !null_run: */ |
1257 | if (null_run) | |
1258 | return 0; | |
1259 | ||
1260 | if (!evsel_list->nr_entries) { | |
79695e1b | 1261 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) |
50d08e47 | 1262 | return -1; |
2cba3ffb IM |
1263 | } |
1264 | ||
1265 | /* Detailed events get appended to the event list: */ | |
1266 | ||
1267 | if (detailed_run < 1) | |
1268 | return 0; | |
1269 | ||
1270 | /* Append detailed run extra attributes: */ | |
79695e1b | 1271 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
50d08e47 | 1272 | return -1; |
2cba3ffb IM |
1273 | |
1274 | if (detailed_run < 2) | |
1275 | return 0; | |
1276 | ||
1277 | /* Append very detailed run extra attributes: */ | |
79695e1b | 1278 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
50d08e47 | 1279 | return -1; |
2cba3ffb IM |
1280 | |
1281 | if (detailed_run < 3) | |
1282 | return 0; | |
1283 | ||
1284 | /* Append very, very detailed run extra attributes: */ | |
79695e1b | 1285 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
2cba3ffb IM |
1286 | } |
1287 | ||
1d037ca1 | 1288 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
5242519b | 1289 | { |
1f16c575 | 1290 | bool append_file = false; |
b070a547 ACM |
1291 | int output_fd = 0; |
1292 | const char *output_name = NULL; | |
1293 | const struct option options[] = { | |
1294 | OPT_CALLBACK('e', "event", &evsel_list, "event", | |
1295 | "event selector. use 'perf list' to list available events", | |
1296 | parse_events_option), | |
1297 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", | |
1298 | "event filter", parse_filter), | |
1299 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, | |
1300 | "child tasks do not inherit counters"), | |
1301 | OPT_STRING('p', "pid", &target.pid, "pid", | |
1302 | "stat events on existing process id"), | |
1303 | OPT_STRING('t', "tid", &target.tid, "tid", | |
1304 | "stat events on existing thread id"), | |
1305 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, | |
1306 | "system-wide collection from all CPUs"), | |
1307 | OPT_BOOLEAN('g', "group", &group, | |
1308 | "put the counters into a counter group"), | |
1309 | OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), | |
1310 | OPT_INCR('v', "verbose", &verbose, | |
1311 | "be more verbose (show counter open errors, etc)"), | |
1312 | OPT_INTEGER('r', "repeat", &run_count, | |
a7e191c3 | 1313 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
b070a547 ACM |
1314 | OPT_BOOLEAN('n', "null", &null_run, |
1315 | "null run - dont start any counters"), | |
1316 | OPT_INCR('d', "detailed", &detailed_run, | |
1317 | "detailed run - start a lot of events"), | |
1318 | OPT_BOOLEAN('S', "sync", &sync_run, | |
1319 | "call sync() before starting a run"), | |
1320 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, | |
1321 | "print large numbers with thousands\' separators", | |
1322 | stat__set_big_num), | |
1323 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", | |
1324 | "list of cpus to monitor in system-wide"), | |
1325 | OPT_BOOLEAN('A', "no-aggr", &no_aggr, "disable CPU count aggregation"), | |
1326 | OPT_STRING('x', "field-separator", &csv_sep, "separator", | |
1327 | "print counts with custom separator"), | |
1328 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", | |
1329 | "monitor event in cgroup name only", parse_cgroups), | |
1330 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1331 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), | |
1332 | OPT_INTEGER(0, "log-fd", &output_fd, | |
1333 | "log output to fd, instead of stderr"), | |
1f16c575 PZ |
1334 | OPT_STRING(0, "pre", &pre_cmd, "command", |
1335 | "command to run prior to the measured command"), | |
1336 | OPT_STRING(0, "post", &post_cmd, "command", | |
1337 | "command to run after to the measured command"), | |
13370a9b SE |
1338 | OPT_UINTEGER('I', "interval-print", &interval, |
1339 | "print counts at regular interval in ms (>= 100)"), | |
d7e7a451 | 1340 | OPT_BOOLEAN(0, "aggr-socket", &aggr_socket, "aggregate counts per processor socket"), |
b070a547 ACM |
1341 | OPT_END() |
1342 | }; | |
1343 | const char * const stat_usage[] = { | |
1344 | "perf stat [<options>] [<command>]", | |
1345 | NULL | |
1346 | }; | |
b070a547 | 1347 | int status = -ENOMEM, run_idx; |
4aa9015f | 1348 | const char *mode; |
42202dd5 | 1349 | |
5af52b51 SE |
1350 | setlocale(LC_ALL, ""); |
1351 | ||
334fe7a3 | 1352 | evsel_list = perf_evlist__new(); |
361c99a6 ACM |
1353 | if (evsel_list == NULL) |
1354 | return -ENOMEM; | |
1355 | ||
a0541234 AB |
1356 | argc = parse_options(argc, argv, options, stat_usage, |
1357 | PARSE_OPT_STOP_AT_NON_OPTION); | |
d7470b6a | 1358 | |
4aa9015f SE |
1359 | output = stderr; |
1360 | if (output_name && strcmp(output_name, "-")) | |
1361 | output = NULL; | |
1362 | ||
56f3bae7 JC |
1363 | if (output_name && output_fd) { |
1364 | fprintf(stderr, "cannot use both --output and --log-fd\n"); | |
1365 | usage_with_options(stat_usage, options); | |
1366 | } | |
fc3e4d07 SE |
1367 | |
1368 | if (output_fd < 0) { | |
1369 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); | |
1370 | usage_with_options(stat_usage, options); | |
1371 | } | |
1372 | ||
4aa9015f SE |
1373 | if (!output) { |
1374 | struct timespec tm; | |
1375 | mode = append_file ? "a" : "w"; | |
1376 | ||
1377 | output = fopen(output_name, mode); | |
1378 | if (!output) { | |
1379 | perror("failed to create output file"); | |
fceda7fe | 1380 | return -1; |
4aa9015f SE |
1381 | } |
1382 | clock_gettime(CLOCK_REALTIME, &tm); | |
1383 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); | |
fc3e4d07 | 1384 | } else if (output_fd > 0) { |
56f3bae7 JC |
1385 | mode = append_file ? "a" : "w"; |
1386 | output = fdopen(output_fd, mode); | |
1387 | if (!output) { | |
1388 | perror("Failed opening logfd"); | |
1389 | return -errno; | |
1390 | } | |
4aa9015f SE |
1391 | } |
1392 | ||
d4ffd04d | 1393 | if (csv_sep) { |
d7470b6a | 1394 | csv_output = true; |
d4ffd04d JC |
1395 | if (!strcmp(csv_sep, "\\t")) |
1396 | csv_sep = "\t"; | |
1397 | } else | |
d7470b6a SE |
1398 | csv_sep = DEFAULT_SEPARATOR; |
1399 | ||
1400 | /* | |
1401 | * let the spreadsheet do the pretty-printing | |
1402 | */ | |
1403 | if (csv_output) { | |
61a9f324 | 1404 | /* User explicitly passed -B? */ |
d7470b6a SE |
1405 | if (big_num_opt == 1) { |
1406 | fprintf(stderr, "-B option not supported with -x\n"); | |
1407 | usage_with_options(stat_usage, options); | |
1408 | } else /* Nope, so disable big number formatting */ | |
1409 | big_num = false; | |
1410 | } else if (big_num_opt == 0) /* User passed --no-big-num */ | |
1411 | big_num = false; | |
1412 | ||
aa22dd49 | 1413 | if (!argc && !perf_target__has_task(&target)) |
5242519b | 1414 | usage_with_options(stat_usage, options); |
a7e191c3 | 1415 | if (run_count < 0) { |
42202dd5 | 1416 | usage_with_options(stat_usage, options); |
a7e191c3 FD |
1417 | } else if (run_count == 0) { |
1418 | forever = true; | |
1419 | run_count = 1; | |
1420 | } | |
ddcacfa0 | 1421 | |
023695d9 | 1422 | /* no_aggr, cgroup are for system-wide only */ |
aa22dd49 | 1423 | if ((no_aggr || nr_cgroups) && !perf_target__has_cpu(&target)) { |
023695d9 SE |
1424 | fprintf(stderr, "both cgroup and no-aggregation " |
1425 | "modes only available in system-wide mode\n"); | |
1426 | ||
f5b4a9c3 | 1427 | usage_with_options(stat_usage, options); |
023695d9 | 1428 | } |
f5b4a9c3 | 1429 | |
d7e7a451 SE |
1430 | if (aggr_socket) { |
1431 | if (!perf_target__has_cpu(&target)) { | |
1432 | fprintf(stderr, "--aggr-socket only available in system-wide mode (-a)\n"); | |
1433 | usage_with_options(stat_usage, options); | |
1434 | } | |
1435 | no_aggr = true; | |
1436 | } | |
1437 | ||
2cba3ffb IM |
1438 | if (add_default_attributes()) |
1439 | goto out; | |
ddcacfa0 | 1440 | |
4bd0f2d2 | 1441 | perf_target__validate(&target); |
5c98d466 | 1442 | |
77a6f014 | 1443 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
aa22dd49 | 1444 | if (perf_target__has_task(&target)) |
77a6f014 | 1445 | pr_err("Problems finding threads of monitor\n"); |
aa22dd49 | 1446 | if (perf_target__has_cpu(&target)) |
77a6f014 | 1447 | perror("failed to parse CPUs map"); |
ddcacfa0 | 1448 | |
c45c6ea2 | 1449 | usage_with_options(stat_usage, options); |
60d567e2 ACM |
1450 | return -1; |
1451 | } | |
13370a9b SE |
1452 | if (interval && interval < 100) { |
1453 | pr_err("print interval must be >= 100ms\n"); | |
1454 | usage_with_options(stat_usage, options); | |
1455 | return -1; | |
1456 | } | |
c45c6ea2 | 1457 | |
d134ffb9 ACM |
1458 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
1459 | goto out_free_maps; | |
d6d901c2 | 1460 | |
58d7e993 IM |
1461 | /* |
1462 | * We dont want to block the signals - that would cause | |
1463 | * child tasks to inherit that and Ctrl-C would not work. | |
1464 | * What we want is for Ctrl-C to work in the exec()-ed | |
1465 | * task, but being ignored by perf stat itself: | |
1466 | */ | |
f7b7c26e | 1467 | atexit(sig_atexit); |
a7e191c3 FD |
1468 | if (!forever) |
1469 | signal(SIGINT, skip_signal); | |
13370a9b | 1470 | signal(SIGCHLD, skip_signal); |
58d7e993 IM |
1471 | signal(SIGALRM, skip_signal); |
1472 | signal(SIGABRT, skip_signal); | |
1473 | ||
42202dd5 | 1474 | status = 0; |
a7e191c3 | 1475 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
42202dd5 | 1476 | if (run_count != 1 && verbose) |
4aa9015f SE |
1477 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
1478 | run_idx + 1); | |
f9cef0a9 | 1479 | |
42202dd5 | 1480 | status = run_perf_stat(argc, argv); |
a7e191c3 FD |
1481 | if (forever && status != -1) { |
1482 | print_stat(argc, argv); | |
d134ffb9 | 1483 | perf_stat__reset_stats(evsel_list); |
a7e191c3 | 1484 | } |
42202dd5 IM |
1485 | } |
1486 | ||
a7e191c3 | 1487 | if (!forever && status != -1 && !interval) |
084ab9f8 | 1488 | print_stat(argc, argv); |
d134ffb9 ACM |
1489 | |
1490 | perf_evlist__free_stats(evsel_list); | |
1491 | out_free_maps: | |
7e2ed097 | 1492 | perf_evlist__delete_maps(evsel_list); |
0015e2e1 ACM |
1493 | out: |
1494 | perf_evlist__delete(evsel_list); | |
42202dd5 | 1495 | return status; |
ddcacfa0 | 1496 | } |