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 | ||
666e6d48 RR |
169 | static struct stats runtime_nsecs_stats[MAX_NR_CPUS]; |
170 | static struct stats runtime_cycles_stats[MAX_NR_CPUS]; | |
171 | static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS]; | |
172 | static struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS]; | |
173 | static struct stats runtime_branches_stats[MAX_NR_CPUS]; | |
174 | static struct stats runtime_cacherefs_stats[MAX_NR_CPUS]; | |
175 | static struct stats runtime_l1_dcache_stats[MAX_NR_CPUS]; | |
176 | static struct stats runtime_l1_icache_stats[MAX_NR_CPUS]; | |
177 | static struct stats runtime_ll_cache_stats[MAX_NR_CPUS]; | |
178 | static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; | |
179 | static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; | |
180 | static struct stats walltime_nsecs_stats; | |
be1ac0d8 | 181 | |
a7e191c3 FD |
182 | static void reset_stats(void) |
183 | { | |
184 | memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats)); | |
185 | memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats)); | |
186 | memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats)); | |
187 | memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats)); | |
188 | memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats)); | |
189 | memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats)); | |
190 | memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats)); | |
191 | memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats)); | |
192 | memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats)); | |
193 | memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats)); | |
194 | memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats)); | |
195 | memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats)); | |
196 | } | |
197 | ||
cac21425 | 198 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
ddcacfa0 | 199 | { |
69aad6f1 | 200 | struct perf_event_attr *attr = &evsel->attr; |
727ab04e | 201 | |
ddcacfa0 | 202 | if (scale) |
a21ca2ca IM |
203 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
204 | PERF_FORMAT_TOTAL_TIME_RUNNING; | |
ddcacfa0 | 205 | |
5d2cd909 ACM |
206 | attr->inherit = !no_inherit; |
207 | ||
594ac61a ACM |
208 | if (perf_target__has_cpu(&target)) |
209 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); | |
5622c07b | 210 | |
07ac002f | 211 | if (!perf_target__has_task(&target) && |
823254ed | 212 | perf_evsel__is_group_leader(evsel)) { |
48290609 ACM |
213 | attr->disabled = 1; |
214 | attr->enable_on_exec = 1; | |
ddcacfa0 | 215 | } |
084ab9f8 | 216 | |
594ac61a | 217 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
ddcacfa0 IM |
218 | } |
219 | ||
c04f5e5d IM |
220 | /* |
221 | * Does the counter have nsecs as a unit? | |
222 | */ | |
daec78a0 | 223 | static inline int nsec_counter(struct perf_evsel *evsel) |
c04f5e5d | 224 | { |
daec78a0 ACM |
225 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
226 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) | |
c04f5e5d IM |
227 | return 1; |
228 | ||
229 | return 0; | |
230 | } | |
231 | ||
dcd9936a IM |
232 | /* |
233 | * Update various tracking values we maintain to print | |
234 | * more semantic information such as miss/hit ratios, | |
235 | * instruction rates, etc: | |
236 | */ | |
237 | static void update_shadow_stats(struct perf_evsel *counter, u64 *count) | |
238 | { | |
239 | if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) | |
240 | update_stats(&runtime_nsecs_stats[0], count[0]); | |
241 | else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) | |
242 | update_stats(&runtime_cycles_stats[0], count[0]); | |
d3d1e86d IM |
243 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) |
244 | update_stats(&runtime_stalled_cycles_front_stats[0], count[0]); | |
129c04cb | 245 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) |
d3d1e86d | 246 | update_stats(&runtime_stalled_cycles_back_stats[0], count[0]); |
dcd9936a IM |
247 | else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) |
248 | update_stats(&runtime_branches_stats[0], count[0]); | |
249 | else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES)) | |
250 | update_stats(&runtime_cacherefs_stats[0], count[0]); | |
8bb6c79f IM |
251 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D)) |
252 | update_stats(&runtime_l1_dcache_stats[0], count[0]); | |
c3305257 IM |
253 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I)) |
254 | update_stats(&runtime_l1_icache_stats[0], count[0]); | |
255 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL)) | |
256 | update_stats(&runtime_ll_cache_stats[0], count[0]); | |
257 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB)) | |
258 | update_stats(&runtime_dtlb_cache_stats[0], count[0]); | |
259 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB)) | |
260 | update_stats(&runtime_itlb_cache_stats[0], count[0]); | |
dcd9936a IM |
261 | } |
262 | ||
c04f5e5d | 263 | /* |
2996f5dd | 264 | * Read out the results of a single counter: |
f5b4a9c3 | 265 | * aggregate counts across CPUs in system-wide mode |
c04f5e5d | 266 | */ |
c52b12ed | 267 | static int read_counter_aggr(struct perf_evsel *counter) |
c04f5e5d | 268 | { |
69aad6f1 | 269 | struct perf_stat *ps = counter->priv; |
c52b12ed ACM |
270 | u64 *count = counter->counts->aggr.values; |
271 | int i; | |
2996f5dd | 272 | |
7ae92e74 | 273 | if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter), |
b3a319d5 | 274 | thread_map__nr(evsel_list->threads), scale) < 0) |
c52b12ed | 275 | return -1; |
9e9772c4 PZ |
276 | |
277 | for (i = 0; i < 3; i++) | |
69aad6f1 | 278 | update_stats(&ps->res_stats[i], count[i]); |
9e9772c4 PZ |
279 | |
280 | if (verbose) { | |
4aa9015f | 281 | fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", |
7289f83c | 282 | perf_evsel__name(counter), count[0], count[1], count[2]); |
9e9772c4 PZ |
283 | } |
284 | ||
be1ac0d8 IM |
285 | /* |
286 | * Save the full runtime - to allow normalization during printout: | |
287 | */ | |
dcd9936a | 288 | update_shadow_stats(counter, count); |
c52b12ed ACM |
289 | |
290 | return 0; | |
f5b4a9c3 SE |
291 | } |
292 | ||
293 | /* | |
294 | * Read out the results of a single counter: | |
295 | * do not aggregate counts across CPUs in system-wide mode | |
296 | */ | |
c52b12ed | 297 | static int read_counter(struct perf_evsel *counter) |
f5b4a9c3 | 298 | { |
c52b12ed | 299 | u64 *count; |
f5b4a9c3 | 300 | int cpu; |
f5b4a9c3 | 301 | |
7ae92e74 | 302 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
c52b12ed ACM |
303 | if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0) |
304 | return -1; | |
f5b4a9c3 | 305 | |
c52b12ed | 306 | count = counter->counts->cpu[cpu].values; |
f5b4a9c3 | 307 | |
dcd9936a | 308 | update_shadow_stats(counter, count); |
f5b4a9c3 | 309 | } |
c52b12ed ACM |
310 | |
311 | return 0; | |
2996f5dd IM |
312 | } |
313 | ||
13370a9b SE |
314 | static void print_interval(void) |
315 | { | |
316 | static int num_print_interval; | |
317 | struct perf_evsel *counter; | |
318 | struct perf_stat *ps; | |
319 | struct timespec ts, rs; | |
320 | char prefix[64]; | |
321 | ||
322 | if (no_aggr) { | |
323 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
324 | ps = counter->priv; | |
325 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); | |
326 | read_counter(counter); | |
327 | } | |
328 | } else { | |
329 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
330 | ps = counter->priv; | |
331 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); | |
332 | read_counter_aggr(counter); | |
333 | } | |
334 | } | |
335 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
336 | diff_timespec(&rs, &ts, &ref_time); | |
337 | sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep); | |
338 | ||
339 | if (num_print_interval == 0 && !csv_output) { | |
d7e7a451 SE |
340 | if (aggr_socket) |
341 | fprintf(output, "# time socket cpus counts events\n"); | |
342 | else if (no_aggr) | |
13370a9b SE |
343 | fprintf(output, "# time CPU counts events\n"); |
344 | else | |
345 | fprintf(output, "# time counts events\n"); | |
346 | } | |
347 | ||
348 | if (++num_print_interval == 25) | |
349 | num_print_interval = 0; | |
350 | ||
d7e7a451 SE |
351 | if (aggr_socket) |
352 | print_aggr_socket(prefix); | |
353 | else if (no_aggr) { | |
13370a9b SE |
354 | list_for_each_entry(counter, &evsel_list->entries, node) |
355 | print_counter(counter, prefix); | |
356 | } else { | |
357 | list_for_each_entry(counter, &evsel_list->entries, node) | |
358 | print_counter_aggr(counter, prefix); | |
359 | } | |
360 | } | |
361 | ||
acf28922 | 362 | static int __run_perf_stat(int argc, const char **argv) |
42202dd5 | 363 | { |
56e52e85 | 364 | char msg[512]; |
42202dd5 | 365 | unsigned long long t0, t1; |
cac21425 | 366 | struct perf_evsel *counter; |
13370a9b | 367 | struct timespec ts; |
42202dd5 | 368 | int status = 0; |
6be2850e | 369 | const bool forks = (argc > 0); |
42202dd5 | 370 | |
13370a9b SE |
371 | if (interval) { |
372 | ts.tv_sec = interval / 1000; | |
373 | ts.tv_nsec = (interval % 1000) * 1000000; | |
374 | } else { | |
375 | ts.tv_sec = 1; | |
376 | ts.tv_nsec = 0; | |
377 | } | |
378 | ||
d7e7a451 SE |
379 | if (aggr_socket |
380 | && cpu_map__build_socket_map(evsel_list->cpus, &sock_map)) { | |
381 | perror("cannot build socket map"); | |
382 | return -1; | |
383 | } | |
384 | ||
60666c63 | 385 | if (forks) { |
acf28922 NK |
386 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, |
387 | false, false) < 0) { | |
388 | perror("failed to prepare workload"); | |
389 | return -1; | |
60666c63 | 390 | } |
051ae7f7 PM |
391 | } |
392 | ||
6a4bb04c | 393 | if (group) |
63dab225 | 394 | perf_evlist__set_leader(evsel_list); |
6a4bb04c | 395 | |
361c99a6 | 396 | list_for_each_entry(counter, &evsel_list->entries, node) { |
cac21425 | 397 | if (create_perf_stat_counter(counter) < 0) { |
979987a5 DA |
398 | /* |
399 | * PPC returns ENXIO for HW counters until 2.6.37 | |
400 | * (behavior changed with commit b0a873e). | |
401 | */ | |
38f6ae1e | 402 | if (errno == EINVAL || errno == ENOSYS || |
979987a5 DA |
403 | errno == ENOENT || errno == EOPNOTSUPP || |
404 | errno == ENXIO) { | |
c63ca0c0 DA |
405 | if (verbose) |
406 | ui__warning("%s event is not supported by the kernel.\n", | |
7289f83c | 407 | perf_evsel__name(counter)); |
2cee77c4 | 408 | counter->supported = false; |
ede70290 | 409 | continue; |
c63ca0c0 | 410 | } |
ede70290 | 411 | |
56e52e85 ACM |
412 | perf_evsel__open_strerror(counter, &target, |
413 | errno, msg, sizeof(msg)); | |
414 | ui__error("%s\n", msg); | |
415 | ||
48290609 ACM |
416 | if (child_pid != -1) |
417 | kill(child_pid, SIGTERM); | |
fceda7fe | 418 | |
48290609 ACM |
419 | return -1; |
420 | } | |
2cee77c4 | 421 | counter->supported = true; |
084ab9f8 | 422 | } |
42202dd5 | 423 | |
1491a632 | 424 | if (perf_evlist__apply_filters(evsel_list)) { |
cfd748ae FW |
425 | error("failed to set filter with %d (%s)\n", errno, |
426 | strerror(errno)); | |
427 | return -1; | |
428 | } | |
429 | ||
42202dd5 IM |
430 | /* |
431 | * Enable counters and exec the command: | |
432 | */ | |
433 | t0 = rdclock(); | |
13370a9b | 434 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
42202dd5 | 435 | |
60666c63 | 436 | if (forks) { |
acf28922 NK |
437 | perf_evlist__start_workload(evsel_list); |
438 | ||
13370a9b SE |
439 | if (interval) { |
440 | while (!waitpid(child_pid, &status, WNOHANG)) { | |
441 | nanosleep(&ts, NULL); | |
442 | print_interval(); | |
443 | } | |
444 | } | |
60666c63 | 445 | wait(&status); |
33e49ea7 AK |
446 | if (WIFSIGNALED(status)) |
447 | psignal(WTERMSIG(status), argv[0]); | |
60666c63 | 448 | } else { |
13370a9b SE |
449 | while (!done) { |
450 | nanosleep(&ts, NULL); | |
451 | if (interval) | |
452 | print_interval(); | |
453 | } | |
60666c63 | 454 | } |
42202dd5 | 455 | |
42202dd5 IM |
456 | t1 = rdclock(); |
457 | ||
9e9772c4 | 458 | update_stats(&walltime_nsecs_stats, t1 - t0); |
42202dd5 | 459 | |
f5b4a9c3 | 460 | if (no_aggr) { |
361c99a6 | 461 | list_for_each_entry(counter, &evsel_list->entries, node) { |
f5b4a9c3 | 462 | read_counter(counter); |
7ae92e74 | 463 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1); |
c52b12ed | 464 | } |
f5b4a9c3 | 465 | } else { |
361c99a6 | 466 | list_for_each_entry(counter, &evsel_list->entries, node) { |
f5b4a9c3 | 467 | read_counter_aggr(counter); |
7ae92e74 | 468 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
b3a319d5 | 469 | thread_map__nr(evsel_list->threads)); |
c52b12ed | 470 | } |
f5b4a9c3 | 471 | } |
c52b12ed | 472 | |
42202dd5 IM |
473 | return WEXITSTATUS(status); |
474 | } | |
475 | ||
1f16c575 PZ |
476 | static int run_perf_stat(int argc __maybe_unused, const char **argv) |
477 | { | |
478 | int ret; | |
479 | ||
480 | if (pre_cmd) { | |
481 | ret = system(pre_cmd); | |
482 | if (ret) | |
483 | return ret; | |
484 | } | |
485 | ||
486 | if (sync_run) | |
487 | sync(); | |
488 | ||
489 | ret = __run_perf_stat(argc, argv); | |
490 | if (ret) | |
491 | return ret; | |
492 | ||
493 | if (post_cmd) { | |
494 | ret = system(post_cmd); | |
495 | if (ret) | |
496 | return ret; | |
497 | } | |
498 | ||
499 | return ret; | |
500 | } | |
501 | ||
f99844cb IM |
502 | static void print_noise_pct(double total, double avg) |
503 | { | |
0007ecea | 504 | double pct = rel_stddev_stats(total, avg); |
f99844cb | 505 | |
3ae9a34d | 506 | if (csv_output) |
4aa9015f | 507 | fprintf(output, "%s%.2f%%", csv_sep, pct); |
a1bca6cc | 508 | else if (pct) |
4aa9015f | 509 | fprintf(output, " ( +-%6.2f%% )", pct); |
f99844cb IM |
510 | } |
511 | ||
69aad6f1 | 512 | static void print_noise(struct perf_evsel *evsel, double avg) |
42202dd5 | 513 | { |
69aad6f1 ACM |
514 | struct perf_stat *ps; |
515 | ||
849abde9 PZ |
516 | if (run_count == 1) |
517 | return; | |
518 | ||
69aad6f1 | 519 | ps = evsel->priv; |
f99844cb | 520 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
42202dd5 IM |
521 | } |
522 | ||
d7e7a451 | 523 | static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
44175b6f | 524 | { |
506d4bc8 | 525 | double msecs = avg / 1e6; |
d7470b6a | 526 | char cpustr[16] = { '\0', }; |
2cba3ffb | 527 | const char *fmt = csv_output ? "%s%.6f%s%s" : "%s%18.6f%s%-25s"; |
44175b6f | 528 | |
d7e7a451 SE |
529 | if (aggr_socket) |
530 | sprintf(cpustr, "S%*d%s%*d%s", | |
531 | csv_output ? 0 : -5, | |
532 | cpu, | |
533 | csv_sep, | |
534 | csv_output ? 0 : 4, | |
535 | nr, | |
536 | csv_sep); | |
537 | else if (no_aggr) | |
d7470b6a SE |
538 | sprintf(cpustr, "CPU%*d%s", |
539 | csv_output ? 0 : -4, | |
7ae92e74 | 540 | perf_evsel__cpus(evsel)->map[cpu], csv_sep); |
d7470b6a | 541 | |
7289f83c | 542 | fprintf(output, fmt, cpustr, msecs, csv_sep, perf_evsel__name(evsel)); |
d7470b6a | 543 | |
023695d9 | 544 | if (evsel->cgrp) |
4aa9015f | 545 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
023695d9 | 546 | |
13370a9b | 547 | if (csv_output || interval) |
d7470b6a | 548 | return; |
44175b6f | 549 | |
daec78a0 | 550 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
4aa9015f SE |
551 | fprintf(output, " # %8.3f CPUs utilized ", |
552 | avg / avg_stats(&walltime_nsecs_stats)); | |
9dac6a29 NK |
553 | else |
554 | fprintf(output, " "); | |
44175b6f IM |
555 | } |
556 | ||
15e6392f NK |
557 | /* used for get_ratio_color() */ |
558 | enum grc_type { | |
559 | GRC_STALLED_CYCLES_FE, | |
560 | GRC_STALLED_CYCLES_BE, | |
561 | GRC_CACHE_MISSES, | |
562 | GRC_MAX_NR | |
563 | }; | |
564 | ||
565 | static const char *get_ratio_color(enum grc_type type, double ratio) | |
566 | { | |
567 | static const double grc_table[GRC_MAX_NR][3] = { | |
568 | [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 }, | |
569 | [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 }, | |
570 | [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 }, | |
571 | }; | |
572 | const char *color = PERF_COLOR_NORMAL; | |
573 | ||
574 | if (ratio > grc_table[type][0]) | |
575 | color = PERF_COLOR_RED; | |
576 | else if (ratio > grc_table[type][1]) | |
577 | color = PERF_COLOR_MAGENTA; | |
578 | else if (ratio > grc_table[type][2]) | |
579 | color = PERF_COLOR_YELLOW; | |
580 | ||
581 | return color; | |
582 | } | |
583 | ||
1d037ca1 IT |
584 | static void print_stalled_cycles_frontend(int cpu, |
585 | struct perf_evsel *evsel | |
586 | __maybe_unused, double avg) | |
d3d1e86d IM |
587 | { |
588 | double total, ratio = 0.0; | |
589 | const char *color; | |
590 | ||
591 | total = avg_stats(&runtime_cycles_stats[cpu]); | |
592 | ||
593 | if (total) | |
594 | ratio = avg / total * 100.0; | |
595 | ||
15e6392f | 596 | color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); |
d3d1e86d | 597 | |
4aa9015f SE |
598 | fprintf(output, " # "); |
599 | color_fprintf(output, color, "%6.2f%%", ratio); | |
600 | fprintf(output, " frontend cycles idle "); | |
d3d1e86d IM |
601 | } |
602 | ||
1d037ca1 IT |
603 | static void print_stalled_cycles_backend(int cpu, |
604 | struct perf_evsel *evsel | |
605 | __maybe_unused, double avg) | |
a5d243d0 IM |
606 | { |
607 | double total, ratio = 0.0; | |
608 | const char *color; | |
609 | ||
610 | total = avg_stats(&runtime_cycles_stats[cpu]); | |
611 | ||
612 | if (total) | |
613 | ratio = avg / total * 100.0; | |
614 | ||
15e6392f | 615 | color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio); |
a5d243d0 | 616 | |
4aa9015f SE |
617 | fprintf(output, " # "); |
618 | color_fprintf(output, color, "%6.2f%%", ratio); | |
619 | fprintf(output, " backend cycles idle "); | |
a5d243d0 IM |
620 | } |
621 | ||
1d037ca1 IT |
622 | static void print_branch_misses(int cpu, |
623 | struct perf_evsel *evsel __maybe_unused, | |
624 | double avg) | |
c78df6c1 IM |
625 | { |
626 | double total, ratio = 0.0; | |
627 | const char *color; | |
628 | ||
629 | total = avg_stats(&runtime_branches_stats[cpu]); | |
630 | ||
631 | if (total) | |
632 | ratio = avg / total * 100.0; | |
633 | ||
15e6392f | 634 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c78df6c1 | 635 | |
4aa9015f SE |
636 | fprintf(output, " # "); |
637 | color_fprintf(output, color, "%6.2f%%", ratio); | |
638 | fprintf(output, " of all branches "); | |
c78df6c1 IM |
639 | } |
640 | ||
1d037ca1 IT |
641 | static void print_l1_dcache_misses(int cpu, |
642 | struct perf_evsel *evsel __maybe_unused, | |
643 | double avg) | |
8bb6c79f IM |
644 | { |
645 | double total, ratio = 0.0; | |
646 | const char *color; | |
647 | ||
648 | total = avg_stats(&runtime_l1_dcache_stats[cpu]); | |
649 | ||
650 | if (total) | |
651 | ratio = avg / total * 100.0; | |
652 | ||
15e6392f | 653 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
8bb6c79f | 654 | |
4aa9015f SE |
655 | fprintf(output, " # "); |
656 | color_fprintf(output, color, "%6.2f%%", ratio); | |
657 | fprintf(output, " of all L1-dcache hits "); | |
8bb6c79f IM |
658 | } |
659 | ||
1d037ca1 IT |
660 | static void print_l1_icache_misses(int cpu, |
661 | struct perf_evsel *evsel __maybe_unused, | |
662 | double avg) | |
c3305257 IM |
663 | { |
664 | double total, ratio = 0.0; | |
665 | const char *color; | |
666 | ||
667 | total = avg_stats(&runtime_l1_icache_stats[cpu]); | |
668 | ||
669 | if (total) | |
670 | ratio = avg / total * 100.0; | |
671 | ||
15e6392f | 672 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 673 | |
4aa9015f SE |
674 | fprintf(output, " # "); |
675 | color_fprintf(output, color, "%6.2f%%", ratio); | |
676 | fprintf(output, " of all L1-icache hits "); | |
c3305257 IM |
677 | } |
678 | ||
1d037ca1 IT |
679 | static void print_dtlb_cache_misses(int cpu, |
680 | struct perf_evsel *evsel __maybe_unused, | |
681 | double avg) | |
c3305257 IM |
682 | { |
683 | double total, ratio = 0.0; | |
684 | const char *color; | |
685 | ||
686 | total = avg_stats(&runtime_dtlb_cache_stats[cpu]); | |
687 | ||
688 | if (total) | |
689 | ratio = avg / total * 100.0; | |
690 | ||
15e6392f | 691 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 692 | |
4aa9015f SE |
693 | fprintf(output, " # "); |
694 | color_fprintf(output, color, "%6.2f%%", ratio); | |
695 | fprintf(output, " of all dTLB cache hits "); | |
c3305257 IM |
696 | } |
697 | ||
1d037ca1 IT |
698 | static void print_itlb_cache_misses(int cpu, |
699 | struct perf_evsel *evsel __maybe_unused, | |
700 | double avg) | |
c3305257 IM |
701 | { |
702 | double total, ratio = 0.0; | |
703 | const char *color; | |
704 | ||
705 | total = avg_stats(&runtime_itlb_cache_stats[cpu]); | |
706 | ||
707 | if (total) | |
708 | ratio = avg / total * 100.0; | |
709 | ||
15e6392f | 710 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 711 | |
4aa9015f SE |
712 | fprintf(output, " # "); |
713 | color_fprintf(output, color, "%6.2f%%", ratio); | |
714 | fprintf(output, " of all iTLB cache hits "); | |
c3305257 IM |
715 | } |
716 | ||
1d037ca1 IT |
717 | static void print_ll_cache_misses(int cpu, |
718 | struct perf_evsel *evsel __maybe_unused, | |
719 | double avg) | |
c3305257 IM |
720 | { |
721 | double total, ratio = 0.0; | |
722 | const char *color; | |
723 | ||
724 | total = avg_stats(&runtime_ll_cache_stats[cpu]); | |
725 | ||
726 | if (total) | |
727 | ratio = avg / total * 100.0; | |
728 | ||
15e6392f | 729 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 730 | |
4aa9015f SE |
731 | fprintf(output, " # "); |
732 | color_fprintf(output, color, "%6.2f%%", ratio); | |
733 | fprintf(output, " of all LL-cache hits "); | |
c3305257 IM |
734 | } |
735 | ||
d7e7a451 | 736 | static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
44175b6f | 737 | { |
c7f7fea3 | 738 | double total, ratio = 0.0; |
f5b4a9c3 | 739 | char cpustr[16] = { '\0', }; |
d7470b6a SE |
740 | const char *fmt; |
741 | ||
742 | if (csv_output) | |
743 | fmt = "%s%.0f%s%s"; | |
744 | else if (big_num) | |
2cba3ffb | 745 | fmt = "%s%'18.0f%s%-25s"; |
d7470b6a | 746 | else |
2cba3ffb | 747 | fmt = "%s%18.0f%s%-25s"; |
f5b4a9c3 | 748 | |
d7e7a451 SE |
749 | if (aggr_socket) |
750 | sprintf(cpustr, "S%*d%s%*d%s", | |
751 | csv_output ? 0 : -5, | |
752 | cpu, | |
753 | csv_sep, | |
754 | csv_output ? 0 : 4, | |
755 | nr, | |
756 | csv_sep); | |
757 | else if (no_aggr) | |
d7470b6a SE |
758 | sprintf(cpustr, "CPU%*d%s", |
759 | csv_output ? 0 : -4, | |
7ae92e74 | 760 | perf_evsel__cpus(evsel)->map[cpu], csv_sep); |
f5b4a9c3 SE |
761 | else |
762 | cpu = 0; | |
c7f7fea3 | 763 | |
7289f83c | 764 | fprintf(output, fmt, cpustr, avg, csv_sep, perf_evsel__name(evsel)); |
d7470b6a | 765 | |
023695d9 | 766 | if (evsel->cgrp) |
4aa9015f | 767 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
023695d9 | 768 | |
13370a9b | 769 | if (csv_output || interval) |
d7470b6a | 770 | return; |
44175b6f | 771 | |
daec78a0 | 772 | if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) { |
f5b4a9c3 | 773 | total = avg_stats(&runtime_cycles_stats[cpu]); |
c7f7fea3 IM |
774 | if (total) |
775 | ratio = avg / total; | |
776 | ||
4aa9015f | 777 | fprintf(output, " # %5.2f insns per cycle ", ratio); |
481f988a | 778 | |
d3d1e86d IM |
779 | total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]); |
780 | total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu])); | |
481f988a IM |
781 | |
782 | if (total && avg) { | |
783 | ratio = total / avg; | |
4aa9015f | 784 | fprintf(output, "\n # %5.2f stalled cycles per insn", ratio); |
481f988a IM |
785 | } |
786 | ||
daec78a0 | 787 | } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) && |
f5b4a9c3 | 788 | runtime_branches_stats[cpu].n != 0) { |
c78df6c1 | 789 | print_branch_misses(cpu, evsel, avg); |
8bb6c79f IM |
790 | } else if ( |
791 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
792 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D | | |
793 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
794 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
c6264def | 795 | runtime_l1_dcache_stats[cpu].n != 0) { |
8bb6c79f | 796 | print_l1_dcache_misses(cpu, evsel, avg); |
c3305257 IM |
797 | } else if ( |
798 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
799 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I | | |
800 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
801 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
802 | runtime_l1_icache_stats[cpu].n != 0) { | |
803 | print_l1_icache_misses(cpu, evsel, avg); | |
804 | } else if ( | |
805 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
806 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB | | |
807 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
808 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
809 | runtime_dtlb_cache_stats[cpu].n != 0) { | |
810 | print_dtlb_cache_misses(cpu, evsel, avg); | |
811 | } else if ( | |
812 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
813 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB | | |
814 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
815 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
816 | runtime_itlb_cache_stats[cpu].n != 0) { | |
817 | print_itlb_cache_misses(cpu, evsel, avg); | |
818 | } else if ( | |
819 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
820 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL | | |
821 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
822 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
823 | runtime_ll_cache_stats[cpu].n != 0) { | |
824 | print_ll_cache_misses(cpu, evsel, avg); | |
d58f4c82 IM |
825 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) && |
826 | runtime_cacherefs_stats[cpu].n != 0) { | |
827 | total = avg_stats(&runtime_cacherefs_stats[cpu]); | |
828 | ||
829 | if (total) | |
830 | ratio = avg * 100 / total; | |
831 | ||
4aa9015f | 832 | fprintf(output, " # %8.3f %% of all cache refs ", ratio); |
d58f4c82 | 833 | |
d3d1e86d IM |
834 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) { |
835 | print_stalled_cycles_frontend(cpu, evsel, avg); | |
129c04cb | 836 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { |
d3d1e86d | 837 | print_stalled_cycles_backend(cpu, evsel, avg); |
481f988a | 838 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { |
f5b4a9c3 | 839 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
c7f7fea3 IM |
840 | |
841 | if (total) | |
481f988a | 842 | ratio = 1.0 * avg / total; |
c7f7fea3 | 843 | |
4aa9015f | 844 | fprintf(output, " # %8.3f GHz ", ratio); |
481f988a | 845 | } else if (runtime_nsecs_stats[cpu].n != 0) { |
5fde2523 NK |
846 | char unit = 'M'; |
847 | ||
481f988a | 848 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
11ba2b85 IM |
849 | |
850 | if (total) | |
481f988a | 851 | ratio = 1000.0 * avg / total; |
5fde2523 NK |
852 | if (ratio < 0.001) { |
853 | ratio *= 1000; | |
854 | unit = 'K'; | |
855 | } | |
11ba2b85 | 856 | |
5fde2523 | 857 | fprintf(output, " # %8.3f %c/sec ", ratio, unit); |
a5d243d0 | 858 | } else { |
4aa9015f | 859 | fprintf(output, " "); |
44175b6f | 860 | } |
44175b6f IM |
861 | } |
862 | ||
d7e7a451 SE |
863 | static void print_aggr_socket(char *prefix) |
864 | { | |
865 | struct perf_evsel *counter; | |
866 | u64 ena, run, val; | |
867 | int cpu, s, s2, sock, nr; | |
868 | ||
869 | if (!sock_map) | |
870 | return; | |
871 | ||
872 | for (s = 0; s < sock_map->nr; s++) { | |
873 | sock = cpu_map__socket(sock_map, s); | |
874 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
875 | val = ena = run = 0; | |
876 | nr = 0; | |
877 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
878 | s2 = cpu_map__get_socket(evsel_list->cpus, cpu); | |
879 | if (s2 != sock) | |
880 | continue; | |
881 | val += counter->counts->cpu[cpu].val; | |
882 | ena += counter->counts->cpu[cpu].ena; | |
883 | run += counter->counts->cpu[cpu].run; | |
884 | nr++; | |
885 | } | |
886 | if (prefix) | |
887 | fprintf(output, "%s", prefix); | |
888 | ||
889 | if (run == 0 || ena == 0) { | |
890 | fprintf(output, "S%*d%s%*d%s%*s%s%*s", | |
891 | csv_output ? 0 : -5, | |
892 | s, | |
893 | csv_sep, | |
894 | csv_output ? 0 : 4, | |
895 | nr, | |
896 | csv_sep, | |
897 | csv_output ? 0 : 18, | |
898 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, | |
899 | csv_sep, | |
900 | csv_output ? 0 : -24, | |
901 | perf_evsel__name(counter)); | |
902 | if (counter->cgrp) | |
903 | fprintf(output, "%s%s", | |
904 | csv_sep, counter->cgrp->name); | |
905 | ||
906 | fputc('\n', output); | |
907 | continue; | |
908 | } | |
909 | ||
910 | if (nsec_counter(counter)) | |
911 | nsec_printout(sock, nr, counter, val); | |
912 | else | |
913 | abs_printout(sock, nr, counter, val); | |
914 | ||
915 | if (!csv_output) { | |
916 | print_noise(counter, 1.0); | |
917 | ||
918 | if (run != ena) | |
919 | fprintf(output, " (%.2f%%)", | |
920 | 100.0 * run / ena); | |
921 | } | |
922 | fputc('\n', output); | |
923 | } | |
924 | } | |
925 | } | |
926 | ||
2996f5dd IM |
927 | /* |
928 | * Print out the results of a single counter: | |
f5b4a9c3 | 929 | * aggregated counts in system-wide mode |
2996f5dd | 930 | */ |
13370a9b | 931 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
2996f5dd | 932 | { |
69aad6f1 ACM |
933 | struct perf_stat *ps = counter->priv; |
934 | double avg = avg_stats(&ps->res_stats[0]); | |
c52b12ed | 935 | int scaled = counter->counts->scaled; |
2996f5dd | 936 | |
13370a9b SE |
937 | if (prefix) |
938 | fprintf(output, "%s", prefix); | |
939 | ||
2996f5dd | 940 | if (scaled == -1) { |
4aa9015f | 941 | fprintf(output, "%*s%s%*s", |
d7470b6a | 942 | csv_output ? 0 : 18, |
2cee77c4 | 943 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
023695d9 SE |
944 | csv_sep, |
945 | csv_output ? 0 : -24, | |
7289f83c | 946 | perf_evsel__name(counter)); |
023695d9 SE |
947 | |
948 | if (counter->cgrp) | |
4aa9015f | 949 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
023695d9 | 950 | |
4aa9015f | 951 | fputc('\n', output); |
2996f5dd IM |
952 | return; |
953 | } | |
c04f5e5d | 954 | |
44175b6f | 955 | if (nsec_counter(counter)) |
d7e7a451 | 956 | nsec_printout(-1, 0, counter, avg); |
44175b6f | 957 | else |
d7e7a451 | 958 | abs_printout(-1, 0, counter, avg); |
849abde9 | 959 | |
3ae9a34d ZH |
960 | print_noise(counter, avg); |
961 | ||
d7470b6a | 962 | if (csv_output) { |
4aa9015f | 963 | fputc('\n', output); |
d7470b6a SE |
964 | return; |
965 | } | |
966 | ||
506d4bc8 PZ |
967 | if (scaled) { |
968 | double avg_enabled, avg_running; | |
969 | ||
69aad6f1 ACM |
970 | avg_enabled = avg_stats(&ps->res_stats[1]); |
971 | avg_running = avg_stats(&ps->res_stats[2]); | |
d7c29318 | 972 | |
4aa9015f | 973 | fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled); |
506d4bc8 | 974 | } |
4aa9015f | 975 | fprintf(output, "\n"); |
c04f5e5d IM |
976 | } |
977 | ||
f5b4a9c3 SE |
978 | /* |
979 | * Print out the results of a single counter: | |
980 | * does not use aggregated count in system-wide | |
981 | */ | |
13370a9b | 982 | static void print_counter(struct perf_evsel *counter, char *prefix) |
f5b4a9c3 SE |
983 | { |
984 | u64 ena, run, val; | |
985 | int cpu; | |
986 | ||
7ae92e74 | 987 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
c52b12ed ACM |
988 | val = counter->counts->cpu[cpu].val; |
989 | ena = counter->counts->cpu[cpu].ena; | |
990 | run = counter->counts->cpu[cpu].run; | |
13370a9b SE |
991 | |
992 | if (prefix) | |
993 | fprintf(output, "%s", prefix); | |
994 | ||
f5b4a9c3 | 995 | if (run == 0 || ena == 0) { |
4aa9015f | 996 | fprintf(output, "CPU%*d%s%*s%s%*s", |
d7470b6a | 997 | csv_output ? 0 : -4, |
7ae92e74 | 998 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
d7470b6a | 999 | csv_output ? 0 : 18, |
2cee77c4 DA |
1000 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
1001 | csv_sep, | |
023695d9 | 1002 | csv_output ? 0 : -24, |
7289f83c | 1003 | perf_evsel__name(counter)); |
f5b4a9c3 | 1004 | |
023695d9 | 1005 | if (counter->cgrp) |
4aa9015f SE |
1006 | fprintf(output, "%s%s", |
1007 | csv_sep, counter->cgrp->name); | |
023695d9 | 1008 | |
4aa9015f | 1009 | fputc('\n', output); |
f5b4a9c3 SE |
1010 | continue; |
1011 | } | |
1012 | ||
1013 | if (nsec_counter(counter)) | |
d7e7a451 | 1014 | nsec_printout(cpu, 0, counter, val); |
f5b4a9c3 | 1015 | else |
d7e7a451 | 1016 | abs_printout(cpu, 0, counter, val); |
f5b4a9c3 | 1017 | |
d7470b6a SE |
1018 | if (!csv_output) { |
1019 | print_noise(counter, 1.0); | |
f5b4a9c3 | 1020 | |
c6264def | 1021 | if (run != ena) |
4aa9015f SE |
1022 | fprintf(output, " (%.2f%%)", |
1023 | 100.0 * run / ena); | |
f5b4a9c3 | 1024 | } |
4aa9015f | 1025 | fputc('\n', output); |
f5b4a9c3 SE |
1026 | } |
1027 | } | |
1028 | ||
42202dd5 IM |
1029 | static void print_stat(int argc, const char **argv) |
1030 | { | |
69aad6f1 ACM |
1031 | struct perf_evsel *counter; |
1032 | int i; | |
42202dd5 | 1033 | |
ddcacfa0 IM |
1034 | fflush(stdout); |
1035 | ||
d7470b6a | 1036 | if (!csv_output) { |
4aa9015f SE |
1037 | fprintf(output, "\n"); |
1038 | fprintf(output, " Performance counter stats for "); | |
aa22dd49 | 1039 | if (!perf_target__has_task(&target)) { |
4aa9015f | 1040 | fprintf(output, "\'%s", argv[0]); |
d7470b6a | 1041 | for (i = 1; i < argc; i++) |
4aa9015f | 1042 | fprintf(output, " %s", argv[i]); |
20f946b4 NK |
1043 | } else if (target.pid) |
1044 | fprintf(output, "process id \'%s", target.pid); | |
d7470b6a | 1045 | else |
20f946b4 | 1046 | fprintf(output, "thread id \'%s", target.tid); |
44db76c8 | 1047 | |
4aa9015f | 1048 | fprintf(output, "\'"); |
d7470b6a | 1049 | if (run_count > 1) |
4aa9015f SE |
1050 | fprintf(output, " (%d runs)", run_count); |
1051 | fprintf(output, ":\n\n"); | |
d7470b6a | 1052 | } |
2996f5dd | 1053 | |
d7e7a451 SE |
1054 | if (aggr_socket) |
1055 | print_aggr_socket(NULL); | |
1056 | else if (no_aggr) { | |
361c99a6 | 1057 | list_for_each_entry(counter, &evsel_list->entries, node) |
13370a9b | 1058 | print_counter(counter, NULL); |
f5b4a9c3 | 1059 | } else { |
361c99a6 | 1060 | list_for_each_entry(counter, &evsel_list->entries, node) |
13370a9b | 1061 | print_counter_aggr(counter, NULL); |
f5b4a9c3 | 1062 | } |
ddcacfa0 | 1063 | |
d7470b6a | 1064 | if (!csv_output) { |
c3305257 | 1065 | if (!null_run) |
4aa9015f SE |
1066 | fprintf(output, "\n"); |
1067 | fprintf(output, " %17.9f seconds time elapsed", | |
d7470b6a SE |
1068 | avg_stats(&walltime_nsecs_stats)/1e9); |
1069 | if (run_count > 1) { | |
4aa9015f | 1070 | fprintf(output, " "); |
f99844cb IM |
1071 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), |
1072 | avg_stats(&walltime_nsecs_stats)); | |
d7470b6a | 1073 | } |
4aa9015f | 1074 | fprintf(output, "\n\n"); |
566747e6 | 1075 | } |
ddcacfa0 IM |
1076 | } |
1077 | ||
f7b7c26e PZ |
1078 | static volatile int signr = -1; |
1079 | ||
5242519b | 1080 | static void skip_signal(int signo) |
ddcacfa0 | 1081 | { |
13370a9b | 1082 | if ((child_pid == -1) || interval) |
60666c63 LW |
1083 | done = 1; |
1084 | ||
f7b7c26e PZ |
1085 | signr = signo; |
1086 | } | |
1087 | ||
1088 | static void sig_atexit(void) | |
1089 | { | |
933da83a CW |
1090 | if (child_pid != -1) |
1091 | kill(child_pid, SIGTERM); | |
1092 | ||
f7b7c26e PZ |
1093 | if (signr == -1) |
1094 | return; | |
1095 | ||
1096 | signal(signr, SIG_DFL); | |
1097 | kill(getpid(), signr); | |
5242519b IM |
1098 | } |
1099 | ||
1d037ca1 IT |
1100 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
1101 | const char *s __maybe_unused, int unset) | |
d7470b6a SE |
1102 | { |
1103 | big_num_opt = unset ? 0 : 1; | |
1104 | return 0; | |
1105 | } | |
1106 | ||
2cba3ffb IM |
1107 | /* |
1108 | * Add default attributes, if there were no attributes specified or | |
1109 | * if -d/--detailed, -d -d or -d -d -d is used: | |
1110 | */ | |
1111 | static int add_default_attributes(void) | |
1112 | { | |
b070a547 ACM |
1113 | struct perf_event_attr default_attrs[] = { |
1114 | ||
1115 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, | |
1116 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, | |
1117 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, | |
1118 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, | |
1119 | ||
1120 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, | |
1121 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, | |
1122 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, | |
1123 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, | |
1124 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, | |
1125 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, | |
1126 | ||
1127 | }; | |
1128 | ||
1129 | /* | |
1130 | * Detailed stats (-d), covering the L1 and last level data caches: | |
1131 | */ | |
1132 | struct perf_event_attr detailed_attrs[] = { | |
1133 | ||
1134 | { .type = PERF_TYPE_HW_CACHE, | |
1135 | .config = | |
1136 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1137 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1138 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1139 | ||
1140 | { .type = PERF_TYPE_HW_CACHE, | |
1141 | .config = | |
1142 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1143 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1144 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1145 | ||
1146 | { .type = PERF_TYPE_HW_CACHE, | |
1147 | .config = | |
1148 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1149 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1150 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1151 | ||
1152 | { .type = PERF_TYPE_HW_CACHE, | |
1153 | .config = | |
1154 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1155 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1156 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1157 | }; | |
1158 | ||
1159 | /* | |
1160 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: | |
1161 | */ | |
1162 | struct perf_event_attr very_detailed_attrs[] = { | |
1163 | ||
1164 | { .type = PERF_TYPE_HW_CACHE, | |
1165 | .config = | |
1166 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1167 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1168 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1169 | ||
1170 | { .type = PERF_TYPE_HW_CACHE, | |
1171 | .config = | |
1172 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1173 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1174 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1175 | ||
1176 | { .type = PERF_TYPE_HW_CACHE, | |
1177 | .config = | |
1178 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1179 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1180 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1181 | ||
1182 | { .type = PERF_TYPE_HW_CACHE, | |
1183 | .config = | |
1184 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1185 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1186 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1187 | ||
1188 | { .type = PERF_TYPE_HW_CACHE, | |
1189 | .config = | |
1190 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1191 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1192 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1193 | ||
1194 | { .type = PERF_TYPE_HW_CACHE, | |
1195 | .config = | |
1196 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1197 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1198 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1199 | ||
1200 | }; | |
1201 | ||
1202 | /* | |
1203 | * Very, very detailed stats (-d -d -d), adding prefetch events: | |
1204 | */ | |
1205 | struct perf_event_attr very_very_detailed_attrs[] = { | |
1206 | ||
1207 | { .type = PERF_TYPE_HW_CACHE, | |
1208 | .config = | |
1209 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1210 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1211 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1212 | ||
1213 | { .type = PERF_TYPE_HW_CACHE, | |
1214 | .config = | |
1215 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1216 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1217 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1218 | }; | |
1219 | ||
2cba3ffb IM |
1220 | /* Set attrs if no event is selected and !null_run: */ |
1221 | if (null_run) | |
1222 | return 0; | |
1223 | ||
1224 | if (!evsel_list->nr_entries) { | |
79695e1b | 1225 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) |
50d08e47 | 1226 | return -1; |
2cba3ffb IM |
1227 | } |
1228 | ||
1229 | /* Detailed events get appended to the event list: */ | |
1230 | ||
1231 | if (detailed_run < 1) | |
1232 | return 0; | |
1233 | ||
1234 | /* Append detailed run extra attributes: */ | |
79695e1b | 1235 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
50d08e47 | 1236 | return -1; |
2cba3ffb IM |
1237 | |
1238 | if (detailed_run < 2) | |
1239 | return 0; | |
1240 | ||
1241 | /* Append very detailed run extra attributes: */ | |
79695e1b | 1242 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
50d08e47 | 1243 | return -1; |
2cba3ffb IM |
1244 | |
1245 | if (detailed_run < 3) | |
1246 | return 0; | |
1247 | ||
1248 | /* Append very, very detailed run extra attributes: */ | |
79695e1b | 1249 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
2cba3ffb IM |
1250 | } |
1251 | ||
1d037ca1 | 1252 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
5242519b | 1253 | { |
1f16c575 | 1254 | bool append_file = false; |
b070a547 ACM |
1255 | int output_fd = 0; |
1256 | const char *output_name = NULL; | |
1257 | const struct option options[] = { | |
1258 | OPT_CALLBACK('e', "event", &evsel_list, "event", | |
1259 | "event selector. use 'perf list' to list available events", | |
1260 | parse_events_option), | |
1261 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", | |
1262 | "event filter", parse_filter), | |
1263 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, | |
1264 | "child tasks do not inherit counters"), | |
1265 | OPT_STRING('p', "pid", &target.pid, "pid", | |
1266 | "stat events on existing process id"), | |
1267 | OPT_STRING('t', "tid", &target.tid, "tid", | |
1268 | "stat events on existing thread id"), | |
1269 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, | |
1270 | "system-wide collection from all CPUs"), | |
1271 | OPT_BOOLEAN('g', "group", &group, | |
1272 | "put the counters into a counter group"), | |
1273 | OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), | |
1274 | OPT_INCR('v', "verbose", &verbose, | |
1275 | "be more verbose (show counter open errors, etc)"), | |
1276 | OPT_INTEGER('r', "repeat", &run_count, | |
a7e191c3 | 1277 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
b070a547 ACM |
1278 | OPT_BOOLEAN('n', "null", &null_run, |
1279 | "null run - dont start any counters"), | |
1280 | OPT_INCR('d', "detailed", &detailed_run, | |
1281 | "detailed run - start a lot of events"), | |
1282 | OPT_BOOLEAN('S', "sync", &sync_run, | |
1283 | "call sync() before starting a run"), | |
1284 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, | |
1285 | "print large numbers with thousands\' separators", | |
1286 | stat__set_big_num), | |
1287 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", | |
1288 | "list of cpus to monitor in system-wide"), | |
1289 | OPT_BOOLEAN('A', "no-aggr", &no_aggr, "disable CPU count aggregation"), | |
1290 | OPT_STRING('x', "field-separator", &csv_sep, "separator", | |
1291 | "print counts with custom separator"), | |
1292 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", | |
1293 | "monitor event in cgroup name only", parse_cgroups), | |
1294 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1295 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), | |
1296 | OPT_INTEGER(0, "log-fd", &output_fd, | |
1297 | "log output to fd, instead of stderr"), | |
1f16c575 PZ |
1298 | OPT_STRING(0, "pre", &pre_cmd, "command", |
1299 | "command to run prior to the measured command"), | |
1300 | OPT_STRING(0, "post", &post_cmd, "command", | |
1301 | "command to run after to the measured command"), | |
13370a9b SE |
1302 | OPT_UINTEGER('I', "interval-print", &interval, |
1303 | "print counts at regular interval in ms (>= 100)"), | |
d7e7a451 | 1304 | OPT_BOOLEAN(0, "aggr-socket", &aggr_socket, "aggregate counts per processor socket"), |
b070a547 ACM |
1305 | OPT_END() |
1306 | }; | |
1307 | const char * const stat_usage[] = { | |
1308 | "perf stat [<options>] [<command>]", | |
1309 | NULL | |
1310 | }; | |
69aad6f1 | 1311 | struct perf_evsel *pos; |
b070a547 | 1312 | int status = -ENOMEM, run_idx; |
4aa9015f | 1313 | const char *mode; |
42202dd5 | 1314 | |
5af52b51 SE |
1315 | setlocale(LC_ALL, ""); |
1316 | ||
334fe7a3 | 1317 | evsel_list = perf_evlist__new(); |
361c99a6 ACM |
1318 | if (evsel_list == NULL) |
1319 | return -ENOMEM; | |
1320 | ||
a0541234 AB |
1321 | argc = parse_options(argc, argv, options, stat_usage, |
1322 | PARSE_OPT_STOP_AT_NON_OPTION); | |
d7470b6a | 1323 | |
4aa9015f SE |
1324 | output = stderr; |
1325 | if (output_name && strcmp(output_name, "-")) | |
1326 | output = NULL; | |
1327 | ||
56f3bae7 JC |
1328 | if (output_name && output_fd) { |
1329 | fprintf(stderr, "cannot use both --output and --log-fd\n"); | |
1330 | usage_with_options(stat_usage, options); | |
1331 | } | |
fc3e4d07 SE |
1332 | |
1333 | if (output_fd < 0) { | |
1334 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); | |
1335 | usage_with_options(stat_usage, options); | |
1336 | } | |
1337 | ||
4aa9015f SE |
1338 | if (!output) { |
1339 | struct timespec tm; | |
1340 | mode = append_file ? "a" : "w"; | |
1341 | ||
1342 | output = fopen(output_name, mode); | |
1343 | if (!output) { | |
1344 | perror("failed to create output file"); | |
fceda7fe | 1345 | return -1; |
4aa9015f SE |
1346 | } |
1347 | clock_gettime(CLOCK_REALTIME, &tm); | |
1348 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); | |
fc3e4d07 | 1349 | } else if (output_fd > 0) { |
56f3bae7 JC |
1350 | mode = append_file ? "a" : "w"; |
1351 | output = fdopen(output_fd, mode); | |
1352 | if (!output) { | |
1353 | perror("Failed opening logfd"); | |
1354 | return -errno; | |
1355 | } | |
4aa9015f SE |
1356 | } |
1357 | ||
d4ffd04d | 1358 | if (csv_sep) { |
d7470b6a | 1359 | csv_output = true; |
d4ffd04d JC |
1360 | if (!strcmp(csv_sep, "\\t")) |
1361 | csv_sep = "\t"; | |
1362 | } else | |
d7470b6a SE |
1363 | csv_sep = DEFAULT_SEPARATOR; |
1364 | ||
1365 | /* | |
1366 | * let the spreadsheet do the pretty-printing | |
1367 | */ | |
1368 | if (csv_output) { | |
61a9f324 | 1369 | /* User explicitly passed -B? */ |
d7470b6a SE |
1370 | if (big_num_opt == 1) { |
1371 | fprintf(stderr, "-B option not supported with -x\n"); | |
1372 | usage_with_options(stat_usage, options); | |
1373 | } else /* Nope, so disable big number formatting */ | |
1374 | big_num = false; | |
1375 | } else if (big_num_opt == 0) /* User passed --no-big-num */ | |
1376 | big_num = false; | |
1377 | ||
aa22dd49 | 1378 | if (!argc && !perf_target__has_task(&target)) |
5242519b | 1379 | usage_with_options(stat_usage, options); |
a7e191c3 | 1380 | if (run_count < 0) { |
42202dd5 | 1381 | usage_with_options(stat_usage, options); |
a7e191c3 FD |
1382 | } else if (run_count == 0) { |
1383 | forever = true; | |
1384 | run_count = 1; | |
1385 | } | |
ddcacfa0 | 1386 | |
023695d9 | 1387 | /* no_aggr, cgroup are for system-wide only */ |
aa22dd49 | 1388 | if ((no_aggr || nr_cgroups) && !perf_target__has_cpu(&target)) { |
023695d9 SE |
1389 | fprintf(stderr, "both cgroup and no-aggregation " |
1390 | "modes only available in system-wide mode\n"); | |
1391 | ||
f5b4a9c3 | 1392 | usage_with_options(stat_usage, options); |
023695d9 | 1393 | } |
f5b4a9c3 | 1394 | |
d7e7a451 SE |
1395 | if (aggr_socket) { |
1396 | if (!perf_target__has_cpu(&target)) { | |
1397 | fprintf(stderr, "--aggr-socket only available in system-wide mode (-a)\n"); | |
1398 | usage_with_options(stat_usage, options); | |
1399 | } | |
1400 | no_aggr = true; | |
1401 | } | |
1402 | ||
2cba3ffb IM |
1403 | if (add_default_attributes()) |
1404 | goto out; | |
ddcacfa0 | 1405 | |
4bd0f2d2 | 1406 | perf_target__validate(&target); |
5c98d466 | 1407 | |
77a6f014 | 1408 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
aa22dd49 | 1409 | if (perf_target__has_task(&target)) |
77a6f014 | 1410 | pr_err("Problems finding threads of monitor\n"); |
aa22dd49 | 1411 | if (perf_target__has_cpu(&target)) |
77a6f014 | 1412 | perror("failed to parse CPUs map"); |
ddcacfa0 | 1413 | |
c45c6ea2 | 1414 | usage_with_options(stat_usage, options); |
60d567e2 ACM |
1415 | return -1; |
1416 | } | |
13370a9b SE |
1417 | if (interval && interval < 100) { |
1418 | pr_err("print interval must be >= 100ms\n"); | |
1419 | usage_with_options(stat_usage, options); | |
1420 | return -1; | |
1421 | } | |
c45c6ea2 | 1422 | |
361c99a6 | 1423 | list_for_each_entry(pos, &evsel_list->entries, node) { |
c52b12ed | 1424 | if (perf_evsel__alloc_stat_priv(pos) < 0 || |
7ae92e74 | 1425 | perf_evsel__alloc_counts(pos, perf_evsel__nr_cpus(pos)) < 0) |
69aad6f1 | 1426 | goto out_free_fd; |
d6d901c2 | 1427 | } |
13370a9b SE |
1428 | if (interval) { |
1429 | list_for_each_entry(pos, &evsel_list->entries, node) { | |
1430 | if (perf_evsel__alloc_prev_raw_counts(pos) < 0) | |
1431 | goto out_free_fd; | |
1432 | } | |
1433 | } | |
d6d901c2 | 1434 | |
58d7e993 IM |
1435 | /* |
1436 | * We dont want to block the signals - that would cause | |
1437 | * child tasks to inherit that and Ctrl-C would not work. | |
1438 | * What we want is for Ctrl-C to work in the exec()-ed | |
1439 | * task, but being ignored by perf stat itself: | |
1440 | */ | |
f7b7c26e | 1441 | atexit(sig_atexit); |
a7e191c3 FD |
1442 | if (!forever) |
1443 | signal(SIGINT, skip_signal); | |
13370a9b | 1444 | signal(SIGCHLD, skip_signal); |
58d7e993 IM |
1445 | signal(SIGALRM, skip_signal); |
1446 | signal(SIGABRT, skip_signal); | |
1447 | ||
42202dd5 | 1448 | status = 0; |
a7e191c3 | 1449 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
42202dd5 | 1450 | if (run_count != 1 && verbose) |
4aa9015f SE |
1451 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
1452 | run_idx + 1); | |
f9cef0a9 | 1453 | |
42202dd5 | 1454 | status = run_perf_stat(argc, argv); |
a7e191c3 FD |
1455 | if (forever && status != -1) { |
1456 | print_stat(argc, argv); | |
1457 | list_for_each_entry(pos, &evsel_list->entries, node) { | |
1458 | perf_evsel__reset_stat_priv(pos); | |
1459 | perf_evsel__reset_counts(pos, perf_evsel__nr_cpus(pos)); | |
1460 | } | |
1461 | reset_stats(); | |
1462 | } | |
42202dd5 IM |
1463 | } |
1464 | ||
a7e191c3 | 1465 | if (!forever && status != -1 && !interval) |
084ab9f8 | 1466 | print_stat(argc, argv); |
69aad6f1 | 1467 | out_free_fd: |
13370a9b | 1468 | list_for_each_entry(pos, &evsel_list->entries, node) { |
69aad6f1 | 1469 | perf_evsel__free_stat_priv(pos); |
43f8e76e | 1470 | perf_evsel__free_counts(pos); |
13370a9b SE |
1471 | perf_evsel__free_prev_raw_counts(pos); |
1472 | } | |
7e2ed097 | 1473 | perf_evlist__delete_maps(evsel_list); |
0015e2e1 ACM |
1474 | out: |
1475 | perf_evlist__delete(evsel_list); | |
42202dd5 | 1476 | return status; |
ddcacfa0 | 1477 | } |