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Ingo Molnarddcacfa2009-04-20 15:37:32 +02001/*
Ingo Molnarbf9e1872009-06-02 23:37:05 +02002 * 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:
Ingo Molnarddcacfa2009-04-20 15:37:32 +02008
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02009 $ perf stat ./hackbench 10
Ingo Molnarddcacfa2009-04-20 15:37:32 +020010
Ingo Molnar2cba3ff2011-05-19 13:30:56 +020011 Time: 0.118
Ingo Molnarddcacfa2009-04-20 15:37:32 +020012
Ingo Molnar2cba3ff2011-05-19 13:30:56 +020013 Performance counter stats for './hackbench 10':
Ingo Molnarddcacfa2009-04-20 15:37:32 +020014
Ingo Molnar2cba3ff2011-05-19 13:30:56 +020015 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
Ingo Molnarddcacfa2009-04-20 15:37:32 +020028
Ingo Molnar52425192009-05-26 09:17:18 +020029 *
Ingo Molnar2cba3ff2011-05-19 13:30:56 +020030 * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
Ingo Molnar52425192009-05-26 09:17:18 +020031 *
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>
Jaswinder Singh Rajput6e750a8f2009-06-27 03:02:07 +053039 * Jaswinder Singh Rajput <jaswinder@kernel.org>
Ingo Molnar52425192009-05-26 09:17:18 +020040 *
41 * Released under the GPL v2. (and only v2, not any later version)
Ingo Molnarddcacfa2009-04-20 15:37:32 +020042 */
43
Peter Zijlstra1a482f32009-05-23 18:28:58 +020044#include "perf.h"
Ingo Molnar16f762a2009-05-27 09:10:38 +020045#include "builtin.h"
Ingo Molnar148be2c2009-04-27 08:02:14 +020046#include "util/util.h"
Ingo Molnar52425192009-05-26 09:17:18 +020047#include "util/parse-options.h"
48#include "util/parse-events.h"
Andi Kleen4cabc3d2013-08-21 16:47:26 -070049#include "util/pmu.h"
Frederic Weisbecker8f28827a2009-08-16 22:05:48 +020050#include "util/event.h"
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -020051#include "util/evlist.h"
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -020052#include "util/evsel.h"
Frederic Weisbecker8f28827a2009-08-16 22:05:48 +020053#include "util/debug.h"
Ingo Molnara5d243d2011-04-27 05:39:24 +020054#include "util/color.h"
Xiao Guangrong0007ece2012-09-17 16:31:14 +080055#include "util/stat.h"
Liming Wang60666c62009-12-31 16:05:50 +080056#include "util/header.h"
Paul Mackerrasa12b51c2010-03-10 20:36:09 +110057#include "util/cpumap.h"
Zhang, Yanmind6d901c2010-03-18 11:36:05 -030058#include "util/thread.h"
Arnaldo Carvalho de Melofd782602011-01-18 15:15:24 -020059#include "util/thread_map.h"
Ingo Molnarddcacfa2009-04-20 15:37:32 +020060
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -030061#include <signal.h>
Peter Zijlstra1f16c572012-10-23 13:40:14 +020062#include <stdlib.h>
Ingo Molnarddcacfa2009-04-20 15:37:32 +020063#include <sys/prctl.h>
Stephane Eranian5af52b52010-05-18 15:00:01 +020064#include <locale.h>
Peter Zijlstra16c8a102009-05-05 17:50:27 +020065
Stephane Eraniand7470b62010-12-01 18:49:05 +020066#define DEFAULT_SEPARATOR " "
David Ahern2cee77c2011-05-30 08:55:59 -060067#define CNTR_NOT_SUPPORTED "<not supported>"
68#define CNTR_NOT_COUNTED "<not counted>"
Stephane Eraniand7470b62010-12-01 18:49:05 +020069
Stephane Eranian13370a92013-01-29 12:47:44 +010070static void print_stat(int argc, const char **argv);
71static void print_counter_aggr(struct perf_evsel *counter, char *prefix);
72static void print_counter(struct perf_evsel *counter, char *prefix);
Stephane Eranian86ee6e12013-02-14 13:57:27 +010073static void print_aggr(char *prefix);
Stephane Eranian13370a92013-01-29 12:47:44 +010074
Andi Kleen4cabc3d2013-08-21 16:47:26 -070075/* Default events used for perf stat -T */
76static const char * const transaction_attrs[] = {
77 "task-clock",
78 "{"
79 "instructions,"
80 "cycles,"
81 "cpu/cycles-t/,"
82 "cpu/tx-start/,"
83 "cpu/el-start/,"
84 "cpu/cycles-ct/"
85 "}"
86};
87
88/* More limited version when the CPU does not have all events. */
89static const char * const transaction_limited_attrs[] = {
90 "task-clock",
91 "{"
92 "instructions,"
93 "cycles,"
94 "cpu/cycles-t/,"
95 "cpu/tx-start/"
96 "}"
97};
98
99/* must match transaction_attrs and the beginning limited_attrs */
100enum {
101 T_TASK_CLOCK,
102 T_INSTRUCTIONS,
103 T_CYCLES,
104 T_CYCLES_IN_TX,
105 T_TRANSACTION_START,
106 T_ELISION_START,
107 T_CYCLES_IN_TX_CP,
108};
109
Robert Richter666e6d42012-04-05 18:26:27 +0200110static struct perf_evlist *evsel_list;
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -0200111
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -0300112static struct target target = {
Namhyung Kim77a6f012012-05-07 14:09:04 +0900113 .uid = UINT_MAX,
114};
Jaswinder Singh Rajput3d632592009-06-24 18:19:34 +0530115
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100116enum aggr_mode {
117 AGGR_NONE,
118 AGGR_GLOBAL,
119 AGGR_SOCKET,
Stephane Eranian12c08a92013-02-14 13:57:29 +0100120 AGGR_CORE,
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100121};
122
Jaswinder Singh Rajput3d632592009-06-24 18:19:34 +0530123static int run_count = 1;
Stephane Eranian2e6cdf92010-05-12 10:40:01 +0200124static bool no_inherit = false;
Ian Munsiec0555642010-04-13 18:37:33 +1000125static bool scale = true;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100126static enum aggr_mode aggr_mode = AGGR_GLOBAL;
Stephane Eraniand07f0b12013-06-04 17:44:26 +0200127static volatile pid_t child_pid = -1;
Ian Munsiec0555642010-04-13 18:37:33 +1000128static bool null_run = false;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +0200129static int detailed_run = 0;
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700130static bool transaction_run;
Arnaldo Carvalho de Melo201e0b02010-12-01 17:53:27 -0200131static bool big_num = true;
Stephane Eraniand7470b62010-12-01 18:49:05 +0200132static int big_num_opt = -1;
Stephane Eraniand7470b62010-12-01 18:49:05 +0200133static const char *csv_sep = NULL;
134static bool csv_output = false;
Lin Ming43bece72011-08-17 18:42:07 +0800135static bool group = false;
Stephane Eranian4aa90152011-08-15 22:22:33 +0200136static FILE *output = NULL;
Peter Zijlstra1f16c572012-10-23 13:40:14 +0200137static const char *pre_cmd = NULL;
138static const char *post_cmd = NULL;
139static bool sync_run = false;
Stephane Eranian13370a92013-01-29 12:47:44 +0100140static unsigned int interval = 0;
Andi Kleen41191682013-08-02 17:41:11 -0700141static unsigned int initial_delay = 0;
Stephane Eranian410136f2013-11-12 17:58:49 +0100142static unsigned int unit_width = 4; /* strlen("unit") */
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500143static bool forever = false;
Stephane Eranian13370a92013-01-29 12:47:44 +0100144static struct timespec ref_time;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100145static struct cpu_map *aggr_map;
146static int (*aggr_get_id)(struct cpu_map *m, int cpu);
Stephane Eranian5af52b52010-05-18 15:00:01 +0200147
Liming Wang60666c62009-12-31 16:05:50 +0800148static volatile int done = 0;
149
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200150struct perf_stat {
151 struct stats res_stats[3];
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200152};
153
Stephane Eranian13370a92013-01-29 12:47:44 +0100154static inline void diff_timespec(struct timespec *r, struct timespec *a,
155 struct timespec *b)
156{
157 r->tv_sec = a->tv_sec - b->tv_sec;
158 if (a->tv_nsec < b->tv_nsec) {
159 r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec;
160 r->tv_sec--;
161 } else {
162 r->tv_nsec = a->tv_nsec - b->tv_nsec ;
163 }
164}
165
166static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
167{
168 return (evsel->cpus && !target.cpu_list) ? evsel->cpus : evsel_list->cpus;
169}
170
171static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
172{
173 return perf_evsel__cpus(evsel)->nr;
174}
175
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500176static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
177{
178 memset(evsel->priv, 0, sizeof(struct perf_stat));
179}
180
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200181static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200182{
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200183 evsel->priv = zalloc(sizeof(struct perf_stat));
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200184 return evsel->priv == NULL ? -ENOMEM : 0;
185}
186
187static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
188{
Arnaldo Carvalho de Melo04662522013-12-26 17:41:15 -0300189 zfree(&evsel->priv);
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200190}
191
Stephane Eranian13370a92013-01-29 12:47:44 +0100192static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel)
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800193{
Stephane Eranian13370a92013-01-29 12:47:44 +0100194 void *addr;
195 size_t sz;
196
197 sz = sizeof(*evsel->counts) +
198 (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values));
199
200 addr = zalloc(sz);
201 if (!addr)
202 return -ENOMEM;
203
204 evsel->prev_raw_counts = addr;
205
206 return 0;
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800207}
208
Stephane Eranian13370a92013-01-29 12:47:44 +0100209static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800210{
Arnaldo Carvalho de Melo04662522013-12-26 17:41:15 -0300211 zfree(&evsel->prev_raw_counts);
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800212}
213
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300214static void perf_evlist__free_stats(struct perf_evlist *evlist)
215{
216 struct perf_evsel *evsel;
217
218 list_for_each_entry(evsel, &evlist->entries, node) {
219 perf_evsel__free_stat_priv(evsel);
220 perf_evsel__free_counts(evsel);
221 perf_evsel__free_prev_raw_counts(evsel);
222 }
223}
224
225static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
226{
227 struct perf_evsel *evsel;
228
229 list_for_each_entry(evsel, &evlist->entries, node) {
230 if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
231 perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 ||
232 (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0))
233 goto out_free;
234 }
235
236 return 0;
237
238out_free:
239 perf_evlist__free_stats(evlist);
240 return -1;
241}
242
Robert Richter666e6d42012-04-05 18:26:27 +0200243static struct stats runtime_nsecs_stats[MAX_NR_CPUS];
244static struct stats runtime_cycles_stats[MAX_NR_CPUS];
245static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS];
246static struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS];
247static struct stats runtime_branches_stats[MAX_NR_CPUS];
248static struct stats runtime_cacherefs_stats[MAX_NR_CPUS];
249static struct stats runtime_l1_dcache_stats[MAX_NR_CPUS];
250static struct stats runtime_l1_icache_stats[MAX_NR_CPUS];
251static struct stats runtime_ll_cache_stats[MAX_NR_CPUS];
252static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS];
253static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS];
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700254static struct stats runtime_cycles_in_tx_stats[MAX_NR_CPUS];
Robert Richter666e6d42012-04-05 18:26:27 +0200255static struct stats walltime_nsecs_stats;
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700256static struct stats runtime_transaction_stats[MAX_NR_CPUS];
257static struct stats runtime_elision_stats[MAX_NR_CPUS];
Ingo Molnarbe1ac0d2009-05-29 09:10:54 +0200258
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300259static void perf_stat__reset_stats(struct perf_evlist *evlist)
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500260{
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300261 struct perf_evsel *evsel;
262
263 list_for_each_entry(evsel, &evlist->entries, node) {
264 perf_evsel__reset_stat_priv(evsel);
265 perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel));
266 }
267
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500268 memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats));
269 memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats));
270 memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats));
271 memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats));
272 memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats));
273 memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats));
274 memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats));
275 memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats));
276 memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats));
277 memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats));
278 memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats));
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700279 memset(runtime_cycles_in_tx_stats, 0,
280 sizeof(runtime_cycles_in_tx_stats));
281 memset(runtime_transaction_stats, 0,
282 sizeof(runtime_transaction_stats));
283 memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats));
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500284 memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
285}
286
Jiri Olsacac21422012-11-12 18:34:00 +0100287static int create_perf_stat_counter(struct perf_evsel *evsel)
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200288{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200289 struct perf_event_attr *attr = &evsel->attr;
Arnaldo Carvalho de Melo727ab042011-10-25 10:42:19 -0200290
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200291 if (scale)
Ingo Molnara21ca2c2009-06-06 09:58:57 +0200292 attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED |
293 PERF_FORMAT_TOTAL_TIME_RUNNING;
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200294
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200295 attr->inherit = !no_inherit;
Arnaldo Carvalho de Melo5d2cd902011-04-14 11:20:14 -0300296
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -0300297 if (target__has_cpu(&target))
Arnaldo Carvalho de Melo594ac612012-12-13 13:13:07 -0300298 return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel));
Stephane Eranian5622c072012-04-27 14:45:38 +0200299
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -0300300 if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) {
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200301 attr->disabled = 1;
Andi Kleen41191682013-08-02 17:41:11 -0700302 if (!initial_delay)
303 attr->enable_on_exec = 1;
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200304 }
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -0300305
Arnaldo Carvalho de Melo594ac612012-12-13 13:13:07 -0300306 return perf_evsel__open_per_thread(evsel, evsel_list->threads);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200307}
308
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200309/*
310 * Does the counter have nsecs as a unit?
311 */
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200312static inline int nsec_counter(struct perf_evsel *evsel)
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200313{
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200314 if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
315 perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200316 return 1;
317
318 return 0;
319}
320
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700321static struct perf_evsel *nth_evsel(int n)
322{
323 static struct perf_evsel **array;
324 static int array_len;
325 struct perf_evsel *ev;
326 int j;
327
328 /* Assumes this only called when evsel_list does not change anymore. */
329 if (!array) {
330 list_for_each_entry(ev, &evsel_list->entries, node)
331 array_len++;
332 array = malloc(array_len * sizeof(void *));
333 if (!array)
334 exit(ENOMEM);
335 j = 0;
336 list_for_each_entry(ev, &evsel_list->entries, node)
337 array[j++] = ev;
338 }
339 if (n < array_len)
340 return array[n];
341 return NULL;
342}
343
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200344/*
Ingo Molnardcd99362011-04-27 04:36:37 +0200345 * Update various tracking values we maintain to print
346 * more semantic information such as miss/hit ratios,
347 * instruction rates, etc:
348 */
349static void update_shadow_stats(struct perf_evsel *counter, u64 *count)
350{
351 if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
352 update_stats(&runtime_nsecs_stats[0], count[0]);
353 else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
354 update_stats(&runtime_cycles_stats[0], count[0]);
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700355 else if (transaction_run &&
356 perf_evsel__cmp(counter, nth_evsel(T_CYCLES_IN_TX)))
357 update_stats(&runtime_cycles_in_tx_stats[0], count[0]);
358 else if (transaction_run &&
359 perf_evsel__cmp(counter, nth_evsel(T_TRANSACTION_START)))
360 update_stats(&runtime_transaction_stats[0], count[0]);
361 else if (transaction_run &&
362 perf_evsel__cmp(counter, nth_evsel(T_ELISION_START)))
363 update_stats(&runtime_elision_stats[0], count[0]);
Ingo Molnard3d1e862011-04-29 13:49:08 +0200364 else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
365 update_stats(&runtime_stalled_cycles_front_stats[0], count[0]);
Ingo Molnar129c04c2011-04-29 14:41:28 +0200366 else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
Ingo Molnard3d1e862011-04-29 13:49:08 +0200367 update_stats(&runtime_stalled_cycles_back_stats[0], count[0]);
Ingo Molnardcd99362011-04-27 04:36:37 +0200368 else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
369 update_stats(&runtime_branches_stats[0], count[0]);
370 else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
371 update_stats(&runtime_cacherefs_stats[0], count[0]);
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200372 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
373 update_stats(&runtime_l1_dcache_stats[0], count[0]);
Ingo Molnarc3305252011-05-19 14:01:42 +0200374 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
375 update_stats(&runtime_l1_icache_stats[0], count[0]);
376 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
377 update_stats(&runtime_ll_cache_stats[0], count[0]);
378 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
379 update_stats(&runtime_dtlb_cache_stats[0], count[0]);
380 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
381 update_stats(&runtime_itlb_cache_stats[0], count[0]);
Ingo Molnardcd99362011-04-27 04:36:37 +0200382}
383
384/*
Ingo Molnar2996f5d2009-05-29 09:10:54 +0200385 * Read out the results of a single counter:
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200386 * aggregate counts across CPUs in system-wide mode
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200387 */
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200388static int read_counter_aggr(struct perf_evsel *counter)
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200389{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200390 struct perf_stat *ps = counter->priv;
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200391 u64 *count = counter->counts->aggr.values;
392 int i;
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200393
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800394 if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter),
Namhyung Kimb3a319d2013-03-11 16:43:14 +0900395 thread_map__nr(evsel_list->threads), scale) < 0)
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200396 return -1;
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200397
398 for (i = 0; i < 3; i++)
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200399 update_stats(&ps->res_stats[i], count[i]);
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200400
401 if (verbose) {
Stephane Eranian4aa90152011-08-15 22:22:33 +0200402 fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -0300403 perf_evsel__name(counter), count[0], count[1], count[2]);
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200404 }
405
Ingo Molnarbe1ac0d2009-05-29 09:10:54 +0200406 /*
407 * Save the full runtime - to allow normalization during printout:
408 */
Ingo Molnardcd99362011-04-27 04:36:37 +0200409 update_shadow_stats(counter, count);
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200410
411 return 0;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200412}
413
414/*
415 * Read out the results of a single counter:
416 * do not aggregate counts across CPUs in system-wide mode
417 */
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200418static int read_counter(struct perf_evsel *counter)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200419{
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200420 u64 *count;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200421 int cpu;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200422
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800423 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200424 if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0)
425 return -1;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200426
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200427 count = counter->counts->cpu[cpu].values;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200428
Ingo Molnardcd99362011-04-27 04:36:37 +0200429 update_shadow_stats(counter, count);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200430 }
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200431
432 return 0;
Ingo Molnar2996f5d2009-05-29 09:10:54 +0200433}
434
Stephane Eranian13370a92013-01-29 12:47:44 +0100435static void print_interval(void)
436{
437 static int num_print_interval;
438 struct perf_evsel *counter;
439 struct perf_stat *ps;
440 struct timespec ts, rs;
441 char prefix[64];
442
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100443 if (aggr_mode == AGGR_GLOBAL) {
Stephane Eranian13370a92013-01-29 12:47:44 +0100444 list_for_each_entry(counter, &evsel_list->entries, node) {
445 ps = counter->priv;
446 memset(ps->res_stats, 0, sizeof(ps->res_stats));
447 read_counter_aggr(counter);
448 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100449 } else {
450 list_for_each_entry(counter, &evsel_list->entries, node) {
451 ps = counter->priv;
452 memset(ps->res_stats, 0, sizeof(ps->res_stats));
453 read_counter(counter);
454 }
Stephane Eranian13370a92013-01-29 12:47:44 +0100455 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100456
Stephane Eranian13370a92013-01-29 12:47:44 +0100457 clock_gettime(CLOCK_MONOTONIC, &ts);
458 diff_timespec(&rs, &ts, &ref_time);
459 sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep);
460
461 if (num_print_interval == 0 && !csv_output) {
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100462 switch (aggr_mode) {
463 case AGGR_SOCKET:
Stephane Eranian410136f2013-11-12 17:58:49 +0100464 fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100465 break;
Stephane Eranian12c08a92013-02-14 13:57:29 +0100466 case AGGR_CORE:
Stephane Eranian410136f2013-11-12 17:58:49 +0100467 fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit");
Stephane Eranian12c08a92013-02-14 13:57:29 +0100468 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100469 case AGGR_NONE:
Stephane Eranian410136f2013-11-12 17:58:49 +0100470 fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100471 break;
472 case AGGR_GLOBAL:
473 default:
Stephane Eranian410136f2013-11-12 17:58:49 +0100474 fprintf(output, "# time counts %*s events\n", unit_width, "unit");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100475 }
Stephane Eranian13370a92013-01-29 12:47:44 +0100476 }
477
478 if (++num_print_interval == 25)
479 num_print_interval = 0;
480
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100481 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +0100482 case AGGR_CORE:
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100483 case AGGR_SOCKET:
484 print_aggr(prefix);
485 break;
486 case AGGR_NONE:
Stephane Eranian13370a92013-01-29 12:47:44 +0100487 list_for_each_entry(counter, &evsel_list->entries, node)
488 print_counter(counter, prefix);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100489 break;
490 case AGGR_GLOBAL:
491 default:
Stephane Eranian13370a92013-01-29 12:47:44 +0100492 list_for_each_entry(counter, &evsel_list->entries, node)
493 print_counter_aggr(counter, prefix);
494 }
Andi Kleen2bbf03f2013-08-02 17:41:12 -0700495
496 fflush(output);
Stephane Eranian13370a92013-01-29 12:47:44 +0100497}
498
Andi Kleen41191682013-08-02 17:41:11 -0700499static void handle_initial_delay(void)
500{
501 struct perf_evsel *counter;
502
503 if (initial_delay) {
504 const int ncpus = cpu_map__nr(evsel_list->cpus),
505 nthreads = thread_map__nr(evsel_list->threads);
506
507 usleep(initial_delay * 1000);
508 list_for_each_entry(counter, &evsel_list->entries, node)
509 perf_evsel__enable(counter, ncpus, nthreads);
510 }
511}
512
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300513static volatile int workload_exec_errno;
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300514
515/*
516 * perf_evlist__prepare_workload will send a SIGUSR1
517 * if the fork fails, since we asked by setting its
518 * want_signal to true.
519 */
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300520static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info,
521 void *ucontext __maybe_unused)
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300522{
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300523 workload_exec_errno = info->si_value.sival_int;
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300524}
525
Namhyung Kimacf28922013-03-11 16:43:18 +0900526static int __run_perf_stat(int argc, const char **argv)
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200527{
Arnaldo Carvalho de Melo56e52e82012-12-13 15:10:58 -0300528 char msg[512];
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200529 unsigned long long t0, t1;
Jiri Olsacac21422012-11-12 18:34:00 +0100530 struct perf_evsel *counter;
Stephane Eranian13370a92013-01-29 12:47:44 +0100531 struct timespec ts;
Stephane Eranian410136f2013-11-12 17:58:49 +0100532 size_t l;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200533 int status = 0;
Zhang, Yanmin6be28502010-03-18 11:36:03 -0300534 const bool forks = (argc > 0);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200535
Stephane Eranian13370a92013-01-29 12:47:44 +0100536 if (interval) {
537 ts.tv_sec = interval / 1000;
538 ts.tv_nsec = (interval % 1000) * 1000000;
539 } else {
540 ts.tv_sec = 1;
541 ts.tv_nsec = 0;
542 }
543
Liming Wang60666c62009-12-31 16:05:50 +0800544 if (forks) {
Namhyung Kimacf28922013-03-11 16:43:18 +0900545 if (perf_evlist__prepare_workload(evsel_list, &target, argv,
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300546 false, true) < 0) {
Namhyung Kimacf28922013-03-11 16:43:18 +0900547 perror("failed to prepare workload");
548 return -1;
Liming Wang60666c62009-12-31 16:05:50 +0800549 }
Namhyung Kimd20a47e2013-09-30 18:01:11 +0900550 child_pid = evsel_list->workload.pid;
Paul Mackerras051ae7f2009-06-29 21:13:21 +1000551 }
552
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200553 if (group)
Arnaldo Carvalho de Melo63dab222012-08-14 16:35:48 -0300554 perf_evlist__set_leader(evsel_list);
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200555
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -0200556 list_for_each_entry(counter, &evsel_list->entries, node) {
Jiri Olsacac21422012-11-12 18:34:00 +0100557 if (create_perf_stat_counter(counter) < 0) {
David Ahern979987a2012-05-08 09:29:16 -0600558 /*
559 * PPC returns ENXIO for HW counters until 2.6.37
560 * (behavior changed with commit b0a873e).
561 */
Anton Blanchard38f6ae12011-12-02 09:38:33 +1100562 if (errno == EINVAL || errno == ENOSYS ||
David Ahern979987a2012-05-08 09:29:16 -0600563 errno == ENOENT || errno == EOPNOTSUPP ||
564 errno == ENXIO) {
David Ahernc63ca0c2011-04-29 16:04:15 -0600565 if (verbose)
566 ui__warning("%s event is not supported by the kernel.\n",
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -0300567 perf_evsel__name(counter));
David Ahern2cee77c2011-05-30 08:55:59 -0600568 counter->supported = false;
Ingo Molnarede70292011-04-28 08:48:42 +0200569 continue;
David Ahernc63ca0c2011-04-29 16:04:15 -0600570 }
Ingo Molnarede70292011-04-28 08:48:42 +0200571
Arnaldo Carvalho de Melo56e52e82012-12-13 15:10:58 -0300572 perf_evsel__open_strerror(counter, &target,
573 errno, msg, sizeof(msg));
574 ui__error("%s\n", msg);
575
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200576 if (child_pid != -1)
577 kill(child_pid, SIGTERM);
David Ahernfceda7f2012-08-26 12:24:44 -0600578
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200579 return -1;
580 }
David Ahern2cee77c2011-05-30 08:55:59 -0600581 counter->supported = true;
Stephane Eranian410136f2013-11-12 17:58:49 +0100582
583 l = strlen(counter->unit);
584 if (l > unit_width)
585 unit_width = l;
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -0300586 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200587
Arnaldo Carvalho de Melo1491a632012-09-26 14:43:13 -0300588 if (perf_evlist__apply_filters(evsel_list)) {
Frederic Weisbeckercfd748a2011-03-14 16:40:30 +0100589 error("failed to set filter with %d (%s)\n", errno,
590 strerror(errno));
591 return -1;
592 }
593
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200594 /*
595 * Enable counters and exec the command:
596 */
597 t0 = rdclock();
Stephane Eranian13370a92013-01-29 12:47:44 +0100598 clock_gettime(CLOCK_MONOTONIC, &ref_time);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200599
Liming Wang60666c62009-12-31 16:05:50 +0800600 if (forks) {
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300601 struct sigaction act = {
602 .sa_flags = SA_SIGINFO,
603 .sa_sigaction = workload_exec_failed_signal,
604 };
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300605 /*
606 * perf_evlist__prepare_workload will, after we call
607 * perf_evlist__start_Workload, send a SIGUSR1 if the exec call
608 * fails, that we will catch in workload_signal to flip
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300609 * workload_exec_errno.
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300610 */
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300611 sigaction(SIGUSR1, &act, NULL);
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300612
Namhyung Kimacf28922013-03-11 16:43:18 +0900613 perf_evlist__start_workload(evsel_list);
Andi Kleen41191682013-08-02 17:41:11 -0700614 handle_initial_delay();
Namhyung Kimacf28922013-03-11 16:43:18 +0900615
Stephane Eranian13370a92013-01-29 12:47:44 +0100616 if (interval) {
617 while (!waitpid(child_pid, &status, WNOHANG)) {
618 nanosleep(&ts, NULL);
619 print_interval();
620 }
621 }
Liming Wang60666c62009-12-31 16:05:50 +0800622 wait(&status);
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300623
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300624 if (workload_exec_errno) {
625 const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg));
626 pr_err("Workload failed: %s\n", emsg);
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300627 return -1;
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300628 }
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300629
Andi Kleen33e49ea2011-09-15 14:31:40 -0700630 if (WIFSIGNALED(status))
631 psignal(WTERMSIG(status), argv[0]);
Liming Wang60666c62009-12-31 16:05:50 +0800632 } else {
Andi Kleen41191682013-08-02 17:41:11 -0700633 handle_initial_delay();
Stephane Eranian13370a92013-01-29 12:47:44 +0100634 while (!done) {
635 nanosleep(&ts, NULL);
636 if (interval)
637 print_interval();
638 }
Liming Wang60666c62009-12-31 16:05:50 +0800639 }
Ingo Molnar44db76c2009-06-03 19:36:07 +0200640
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200641 t1 = rdclock();
642
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200643 update_stats(&walltime_nsecs_stats, t1 - t0);
Ingo Molnar42202dd2009-06-13 14:57:28 +0200644
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100645 if (aggr_mode == AGGR_GLOBAL) {
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -0200646 list_for_each_entry(counter, &evsel_list->entries, node) {
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200647 read_counter_aggr(counter);
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800648 perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter),
Namhyung Kimb3a319d2013-03-11 16:43:14 +0900649 thread_map__nr(evsel_list->threads));
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200650 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100651 } else {
652 list_for_each_entry(counter, &evsel_list->entries, node) {
653 read_counter(counter);
654 perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1);
655 }
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200656 }
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200657
Ingo Molnar42202dd2009-06-13 14:57:28 +0200658 return WEXITSTATUS(status);
659}
660
Peter Zijlstra1f16c572012-10-23 13:40:14 +0200661static int run_perf_stat(int argc __maybe_unused, const char **argv)
662{
663 int ret;
664
665 if (pre_cmd) {
666 ret = system(pre_cmd);
667 if (ret)
668 return ret;
669 }
670
671 if (sync_run)
672 sync();
673
674 ret = __run_perf_stat(argc, argv);
675 if (ret)
676 return ret;
677
678 if (post_cmd) {
679 ret = system(post_cmd);
680 if (ret)
681 return ret;
682 }
683
684 return ret;
685}
686
Ingo Molnarf99844c2011-04-27 05:35:39 +0200687static void print_noise_pct(double total, double avg)
688{
Xiao Guangrong0007ece2012-09-17 16:31:14 +0800689 double pct = rel_stddev_stats(total, avg);
Ingo Molnarf99844c2011-04-27 05:35:39 +0200690
Zhengyu He3ae9a34d2011-06-23 13:45:42 -0700691 if (csv_output)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200692 fprintf(output, "%s%.2f%%", csv_sep, pct);
Jim Cromiea1bca6c2011-09-07 17:14:02 -0600693 else if (pct)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200694 fprintf(output, " ( +-%6.2f%% )", pct);
Ingo Molnarf99844c2011-04-27 05:35:39 +0200695}
696
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200697static void print_noise(struct perf_evsel *evsel, double avg)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200698{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200699 struct perf_stat *ps;
700
Peter Zijlstra849abde2009-09-04 18:23:38 +0200701 if (run_count == 1)
702 return;
703
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200704 ps = evsel->priv;
Ingo Molnarf99844c2011-04-27 05:35:39 +0200705 print_noise_pct(stddev_stats(&ps->res_stats[0]), avg);
Ingo Molnar42202dd2009-06-13 14:57:28 +0200706}
707
Stephane Eranian12c08a92013-02-14 13:57:29 +0100708static void aggr_printout(struct perf_evsel *evsel, int id, int nr)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200709{
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100710 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +0100711 case AGGR_CORE:
712 fprintf(output, "S%d-C%*d%s%*d%s",
713 cpu_map__id_to_socket(id),
714 csv_output ? 0 : -8,
715 cpu_map__id_to_cpu(id),
716 csv_sep,
717 csv_output ? 0 : 4,
718 nr,
719 csv_sep);
720 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100721 case AGGR_SOCKET:
722 fprintf(output, "S%*d%s%*d%s",
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100723 csv_output ? 0 : -5,
Stephane Eranian12c08a92013-02-14 13:57:29 +0100724 id,
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100725 csv_sep,
726 csv_output ? 0 : 4,
727 nr,
728 csv_sep);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100729 break;
730 case AGGR_NONE:
731 fprintf(output, "CPU%*d%s",
Stephane Eraniand7470b62010-12-01 18:49:05 +0200732 csv_output ? 0 : -4,
Stephane Eranian12c08a92013-02-14 13:57:29 +0100733 perf_evsel__cpus(evsel)->map[id], csv_sep);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100734 break;
735 case AGGR_GLOBAL:
736 default:
737 break;
738 }
739}
Stephane Eraniand7470b62010-12-01 18:49:05 +0200740
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100741static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
742{
743 double msecs = avg / 1e6;
Stephane Eranian410136f2013-11-12 17:58:49 +0100744 const char *fmt_v, *fmt_n;
David Ahern4bbe5a62013-09-28 14:28:00 -0600745 char name[25];
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100746
Stephane Eranian410136f2013-11-12 17:58:49 +0100747 fmt_v = csv_output ? "%.6f%s" : "%18.6f%s";
748 fmt_n = csv_output ? "%s" : "%-25s";
749
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100750 aggr_printout(evsel, cpu, nr);
751
David Ahern4bbe5a62013-09-28 14:28:00 -0600752 scnprintf(name, sizeof(name), "%s%s",
753 perf_evsel__name(evsel), csv_output ? "" : " (msec)");
Stephane Eranian410136f2013-11-12 17:58:49 +0100754
755 fprintf(output, fmt_v, msecs, csv_sep);
756
757 if (csv_output)
758 fprintf(output, "%s%s", evsel->unit, csv_sep);
759 else
760 fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep);
761
762 fprintf(output, fmt_n, name);
Stephane Eraniand7470b62010-12-01 18:49:05 +0200763
Stephane Eranian023695d2011-02-14 11:20:01 +0200764 if (evsel->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200765 fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +0200766
Stephane Eranian13370a92013-01-29 12:47:44 +0100767 if (csv_output || interval)
Stephane Eraniand7470b62010-12-01 18:49:05 +0200768 return;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200769
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200770 if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
Stephane Eranian4aa90152011-08-15 22:22:33 +0200771 fprintf(output, " # %8.3f CPUs utilized ",
772 avg / avg_stats(&walltime_nsecs_stats));
Namhyung Kim9dac6a22012-02-06 16:44:45 +0900773 else
774 fprintf(output, " ");
Ingo Molnar42202dd2009-06-13 14:57:28 +0200775}
776
Namhyung Kim15e63922011-12-28 00:35:49 +0900777/* used for get_ratio_color() */
778enum grc_type {
779 GRC_STALLED_CYCLES_FE,
780 GRC_STALLED_CYCLES_BE,
781 GRC_CACHE_MISSES,
782 GRC_MAX_NR
783};
784
785static const char *get_ratio_color(enum grc_type type, double ratio)
786{
787 static const double grc_table[GRC_MAX_NR][3] = {
788 [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 },
789 [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 },
790 [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 },
791 };
792 const char *color = PERF_COLOR_NORMAL;
793
794 if (ratio > grc_table[type][0])
795 color = PERF_COLOR_RED;
796 else if (ratio > grc_table[type][1])
797 color = PERF_COLOR_MAGENTA;
798 else if (ratio > grc_table[type][2])
799 color = PERF_COLOR_YELLOW;
800
801 return color;
802}
803
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300804static void print_stalled_cycles_frontend(int cpu,
805 struct perf_evsel *evsel
806 __maybe_unused, double avg)
Ingo Molnard3d1e862011-04-29 13:49:08 +0200807{
808 double total, ratio = 0.0;
809 const char *color;
810
811 total = avg_stats(&runtime_cycles_stats[cpu]);
812
813 if (total)
814 ratio = avg / total * 100.0;
815
Namhyung Kim15e63922011-12-28 00:35:49 +0900816 color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio);
Ingo Molnard3d1e862011-04-29 13:49:08 +0200817
Stephane Eranian4aa90152011-08-15 22:22:33 +0200818 fprintf(output, " # ");
819 color_fprintf(output, color, "%6.2f%%", ratio);
820 fprintf(output, " frontend cycles idle ");
Ingo Molnard3d1e862011-04-29 13:49:08 +0200821}
822
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300823static void print_stalled_cycles_backend(int cpu,
824 struct perf_evsel *evsel
825 __maybe_unused, double avg)
Ingo Molnara5d243d2011-04-27 05:39:24 +0200826{
827 double total, ratio = 0.0;
828 const char *color;
829
830 total = avg_stats(&runtime_cycles_stats[cpu]);
831
832 if (total)
833 ratio = avg / total * 100.0;
834
Namhyung Kim15e63922011-12-28 00:35:49 +0900835 color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio);
Ingo Molnara5d243d2011-04-27 05:39:24 +0200836
Stephane Eranian4aa90152011-08-15 22:22:33 +0200837 fprintf(output, " # ");
838 color_fprintf(output, color, "%6.2f%%", ratio);
839 fprintf(output, " backend cycles idle ");
Ingo Molnara5d243d2011-04-27 05:39:24 +0200840}
841
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300842static void print_branch_misses(int cpu,
843 struct perf_evsel *evsel __maybe_unused,
844 double avg)
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200845{
846 double total, ratio = 0.0;
847 const char *color;
848
849 total = avg_stats(&runtime_branches_stats[cpu]);
850
851 if (total)
852 ratio = avg / total * 100.0;
853
Namhyung Kim15e63922011-12-28 00:35:49 +0900854 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200855
Stephane Eranian4aa90152011-08-15 22:22:33 +0200856 fprintf(output, " # ");
857 color_fprintf(output, color, "%6.2f%%", ratio);
858 fprintf(output, " of all branches ");
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200859}
860
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300861static void print_l1_dcache_misses(int cpu,
862 struct perf_evsel *evsel __maybe_unused,
863 double avg)
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200864{
865 double total, ratio = 0.0;
866 const char *color;
867
868 total = avg_stats(&runtime_l1_dcache_stats[cpu]);
869
870 if (total)
871 ratio = avg / total * 100.0;
872
Namhyung Kim15e63922011-12-28 00:35:49 +0900873 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200874
Stephane Eranian4aa90152011-08-15 22:22:33 +0200875 fprintf(output, " # ");
876 color_fprintf(output, color, "%6.2f%%", ratio);
877 fprintf(output, " of all L1-dcache hits ");
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200878}
879
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300880static void print_l1_icache_misses(int cpu,
881 struct perf_evsel *evsel __maybe_unused,
882 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200883{
884 double total, ratio = 0.0;
885 const char *color;
886
887 total = avg_stats(&runtime_l1_icache_stats[cpu]);
888
889 if (total)
890 ratio = avg / total * 100.0;
891
Namhyung Kim15e63922011-12-28 00:35:49 +0900892 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200893
Stephane Eranian4aa90152011-08-15 22:22:33 +0200894 fprintf(output, " # ");
895 color_fprintf(output, color, "%6.2f%%", ratio);
896 fprintf(output, " of all L1-icache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200897}
898
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300899static void print_dtlb_cache_misses(int cpu,
900 struct perf_evsel *evsel __maybe_unused,
901 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200902{
903 double total, ratio = 0.0;
904 const char *color;
905
906 total = avg_stats(&runtime_dtlb_cache_stats[cpu]);
907
908 if (total)
909 ratio = avg / total * 100.0;
910
Namhyung Kim15e63922011-12-28 00:35:49 +0900911 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200912
Stephane Eranian4aa90152011-08-15 22:22:33 +0200913 fprintf(output, " # ");
914 color_fprintf(output, color, "%6.2f%%", ratio);
915 fprintf(output, " of all dTLB cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200916}
917
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300918static void print_itlb_cache_misses(int cpu,
919 struct perf_evsel *evsel __maybe_unused,
920 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200921{
922 double total, ratio = 0.0;
923 const char *color;
924
925 total = avg_stats(&runtime_itlb_cache_stats[cpu]);
926
927 if (total)
928 ratio = avg / total * 100.0;
929
Namhyung Kim15e63922011-12-28 00:35:49 +0900930 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200931
Stephane Eranian4aa90152011-08-15 22:22:33 +0200932 fprintf(output, " # ");
933 color_fprintf(output, color, "%6.2f%%", ratio);
934 fprintf(output, " of all iTLB cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200935}
936
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300937static void print_ll_cache_misses(int cpu,
938 struct perf_evsel *evsel __maybe_unused,
939 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200940{
941 double total, ratio = 0.0;
942 const char *color;
943
944 total = avg_stats(&runtime_ll_cache_stats[cpu]);
945
946 if (total)
947 ratio = avg / total * 100.0;
948
Namhyung Kim15e63922011-12-28 00:35:49 +0900949 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200950
Stephane Eranian4aa90152011-08-15 22:22:33 +0200951 fprintf(output, " # ");
952 color_fprintf(output, color, "%6.2f%%", ratio);
953 fprintf(output, " of all LL-cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200954}
955
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100956static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200957{
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700958 double total, ratio = 0.0, total2;
Stephane Eranian410136f2013-11-12 17:58:49 +0100959 double sc = evsel->scale;
Stephane Eraniand7470b62010-12-01 18:49:05 +0200960 const char *fmt;
961
Stephane Eranian410136f2013-11-12 17:58:49 +0100962 if (csv_output) {
963 fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s";
964 } else {
965 if (big_num)
966 fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s";
967 else
968 fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s";
969 }
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200970
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100971 aggr_printout(evsel, cpu, nr);
972
973 if (aggr_mode == AGGR_GLOBAL)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200974 cpu = 0;
Ingo Molnarc7f7fea2009-09-22 14:53:51 +0200975
Stephane Eranian410136f2013-11-12 17:58:49 +0100976 fprintf(output, fmt, avg, csv_sep);
977
978 if (evsel->unit)
979 fprintf(output, "%-*s%s",
980 csv_output ? 0 : unit_width,
981 evsel->unit, csv_sep);
982
983 fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel));
Stephane Eraniand7470b62010-12-01 18:49:05 +0200984
Stephane Eranian023695d2011-02-14 11:20:01 +0200985 if (evsel->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200986 fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +0200987
Stephane Eranian13370a92013-01-29 12:47:44 +0100988 if (csv_output || interval)
Stephane Eraniand7470b62010-12-01 18:49:05 +0200989 return;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200990
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200991 if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200992 total = avg_stats(&runtime_cycles_stats[cpu]);
Ramkumar Ramachandra3e7a0812013-10-01 14:06:44 +0530993 if (total) {
Ingo Molnarc7f7fea2009-09-22 14:53:51 +0200994 ratio = avg / total;
Ramkumar Ramachandra3e7a0812013-10-01 14:06:44 +0530995 fprintf(output, " # %5.2f insns per cycle ", ratio);
996 }
Ingo Molnard3d1e862011-04-29 13:49:08 +0200997 total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]);
998 total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu]));
Ingo Molnar481f9882011-04-27 04:34:16 +0200999
1000 if (total && avg) {
1001 ratio = total / avg;
Stephane Eranian410136f2013-11-12 17:58:49 +01001002 fprintf(output, "\n");
1003 if (aggr_mode == AGGR_NONE)
1004 fprintf(output, " ");
1005 fprintf(output, " # %5.2f stalled cycles per insn", ratio);
Ingo Molnar481f9882011-04-27 04:34:16 +02001006 }
1007
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -02001008 } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) &&
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001009 runtime_branches_stats[cpu].n != 0) {
Ingo Molnarc78df6c2011-04-27 12:16:10 +02001010 print_branch_misses(cpu, evsel, avg);
Ingo Molnar8bb6c792011-04-27 13:25:24 +02001011 } else if (
1012 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1013 evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D |
1014 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1015 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
Ingo Molnarc6264de2011-04-27 13:50:47 +02001016 runtime_l1_dcache_stats[cpu].n != 0) {
Ingo Molnar8bb6c792011-04-27 13:25:24 +02001017 print_l1_dcache_misses(cpu, evsel, avg);
Ingo Molnarc3305252011-05-19 14:01:42 +02001018 } else if (
1019 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1020 evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I |
1021 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1022 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
1023 runtime_l1_icache_stats[cpu].n != 0) {
1024 print_l1_icache_misses(cpu, evsel, avg);
1025 } else if (
1026 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1027 evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB |
1028 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1029 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
1030 runtime_dtlb_cache_stats[cpu].n != 0) {
1031 print_dtlb_cache_misses(cpu, evsel, avg);
1032 } else if (
1033 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1034 evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB |
1035 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1036 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
1037 runtime_itlb_cache_stats[cpu].n != 0) {
1038 print_itlb_cache_misses(cpu, evsel, avg);
1039 } else if (
1040 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1041 evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL |
1042 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1043 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
1044 runtime_ll_cache_stats[cpu].n != 0) {
1045 print_ll_cache_misses(cpu, evsel, avg);
Ingo Molnard58f4c82011-04-27 03:42:18 +02001046 } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) &&
1047 runtime_cacherefs_stats[cpu].n != 0) {
1048 total = avg_stats(&runtime_cacherefs_stats[cpu]);
1049
1050 if (total)
1051 ratio = avg * 100 / total;
1052
Stephane Eranian4aa90152011-08-15 22:22:33 +02001053 fprintf(output, " # %8.3f %% of all cache refs ", ratio);
Ingo Molnard58f4c82011-04-27 03:42:18 +02001054
Ingo Molnard3d1e862011-04-29 13:49:08 +02001055 } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
1056 print_stalled_cycles_frontend(cpu, evsel, avg);
Ingo Molnar129c04c2011-04-29 14:41:28 +02001057 } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
Ingo Molnard3d1e862011-04-29 13:49:08 +02001058 print_stalled_cycles_backend(cpu, evsel, avg);
Ingo Molnar481f9882011-04-27 04:34:16 +02001059 } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
1060 total = avg_stats(&runtime_nsecs_stats[cpu]);
1061
Ramkumar Ramachandrac458fe62013-09-30 16:43:05 +05301062 if (total) {
1063 ratio = avg / total;
1064 fprintf(output, " # %8.3f GHz ", ratio);
1065 }
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001066 } else if (transaction_run &&
1067 perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX))) {
1068 total = avg_stats(&runtime_cycles_stats[cpu]);
1069 if (total)
1070 fprintf(output,
1071 " # %5.2f%% transactional cycles ",
1072 100.0 * (avg / total));
1073 } else if (transaction_run &&
1074 perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX_CP))) {
1075 total = avg_stats(&runtime_cycles_stats[cpu]);
1076 total2 = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1077 if (total2 < avg)
1078 total2 = avg;
1079 if (total)
1080 fprintf(output,
1081 " # %5.2f%% aborted cycles ",
1082 100.0 * ((total2-avg) / total));
1083 } else if (transaction_run &&
1084 perf_evsel__cmp(evsel, nth_evsel(T_TRANSACTION_START)) &&
1085 avg > 0 &&
1086 runtime_cycles_in_tx_stats[cpu].n != 0) {
1087 total = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1088
1089 if (total)
1090 ratio = total / avg;
1091
1092 fprintf(output, " # %8.0f cycles / transaction ", ratio);
1093 } else if (transaction_run &&
1094 perf_evsel__cmp(evsel, nth_evsel(T_ELISION_START)) &&
1095 avg > 0 &&
1096 runtime_cycles_in_tx_stats[cpu].n != 0) {
1097 total = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1098
1099 if (total)
1100 ratio = total / avg;
1101
1102 fprintf(output, " # %8.0f cycles / elision ", ratio);
Ingo Molnar481f9882011-04-27 04:34:16 +02001103 } else if (runtime_nsecs_stats[cpu].n != 0) {
Namhyung Kim5fde2522012-02-06 16:44:44 +09001104 char unit = 'M';
1105
Ingo Molnar481f9882011-04-27 04:34:16 +02001106 total = avg_stats(&runtime_nsecs_stats[cpu]);
1107
1108 if (total)
1109 ratio = 1000.0 * avg / total;
Namhyung Kim5fde2522012-02-06 16:44:44 +09001110 if (ratio < 0.001) {
1111 ratio *= 1000;
1112 unit = 'K';
1113 }
Ingo Molnar481f9882011-04-27 04:34:16 +02001114
Namhyung Kim5fde2522012-02-06 16:44:44 +09001115 fprintf(output, " # %8.3f %c/sec ", ratio, unit);
Ingo Molnara5d243d2011-04-27 05:39:24 +02001116 } else {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001117 fprintf(output, " ");
Ingo Molnar42202dd2009-06-13 14:57:28 +02001118 }
Ingo Molnar42202dd2009-06-13 14:57:28 +02001119}
1120
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001121static void print_aggr(char *prefix)
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001122{
1123 struct perf_evsel *counter;
Stephane Eranian582ec0822013-07-05 19:06:45 +02001124 int cpu, cpu2, s, s2, id, nr;
Stephane Eranian410136f2013-11-12 17:58:49 +01001125 double uval;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001126 u64 ena, run, val;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001127
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001128 if (!(aggr_map || aggr_get_id))
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001129 return;
1130
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001131 for (s = 0; s < aggr_map->nr; s++) {
1132 id = aggr_map->map[s];
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001133 list_for_each_entry(counter, &evsel_list->entries, node) {
1134 val = ena = run = 0;
1135 nr = 0;
1136 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Stephane Eranian582ec0822013-07-05 19:06:45 +02001137 cpu2 = perf_evsel__cpus(counter)->map[cpu];
1138 s2 = aggr_get_id(evsel_list->cpus, cpu2);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001139 if (s2 != id)
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001140 continue;
1141 val += counter->counts->cpu[cpu].val;
1142 ena += counter->counts->cpu[cpu].ena;
1143 run += counter->counts->cpu[cpu].run;
1144 nr++;
1145 }
1146 if (prefix)
1147 fprintf(output, "%s", prefix);
1148
1149 if (run == 0 || ena == 0) {
Stephane Eranian582ec0822013-07-05 19:06:45 +02001150 aggr_printout(counter, id, nr);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001151
Stephane Eranian410136f2013-11-12 17:58:49 +01001152 fprintf(output, "%*s%s",
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001153 csv_output ? 0 : 18,
1154 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
Stephane Eranian410136f2013-11-12 17:58:49 +01001155 csv_sep);
1156
1157 fprintf(output, "%-*s%s",
1158 csv_output ? 0 : unit_width,
1159 counter->unit, csv_sep);
1160
1161 fprintf(output, "%*s",
1162 csv_output ? 0 : -25,
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001163 perf_evsel__name(counter));
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001164
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001165 if (counter->cgrp)
1166 fprintf(output, "%s%s",
1167 csv_sep, counter->cgrp->name);
1168
1169 fputc('\n', output);
1170 continue;
1171 }
Stephane Eranian410136f2013-11-12 17:58:49 +01001172 uval = val * counter->scale;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001173
1174 if (nsec_counter(counter))
Stephane Eranian410136f2013-11-12 17:58:49 +01001175 nsec_printout(id, nr, counter, uval);
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001176 else
Stephane Eranian410136f2013-11-12 17:58:49 +01001177 abs_printout(id, nr, counter, uval);
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001178
1179 if (!csv_output) {
1180 print_noise(counter, 1.0);
1181
1182 if (run != ena)
1183 fprintf(output, " (%.2f%%)",
1184 100.0 * run / ena);
1185 }
1186 fputc('\n', output);
1187 }
1188 }
1189}
1190
Ingo Molnar42202dd2009-06-13 14:57:28 +02001191/*
1192 * Print out the results of a single counter:
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001193 * aggregated counts in system-wide mode
Ingo Molnar42202dd2009-06-13 14:57:28 +02001194 */
Stephane Eranian13370a92013-01-29 12:47:44 +01001195static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
Ingo Molnar42202dd2009-06-13 14:57:28 +02001196{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001197 struct perf_stat *ps = counter->priv;
1198 double avg = avg_stats(&ps->res_stats[0]);
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -02001199 int scaled = counter->counts->scaled;
Stephane Eranian410136f2013-11-12 17:58:49 +01001200 double uval;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001201
Stephane Eranian13370a92013-01-29 12:47:44 +01001202 if (prefix)
1203 fprintf(output, "%s", prefix);
1204
Ingo Molnar42202dd2009-06-13 14:57:28 +02001205 if (scaled == -1) {
Stephane Eranian410136f2013-11-12 17:58:49 +01001206 fprintf(output, "%*s%s",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001207 csv_output ? 0 : 18,
David Ahern2cee77c2011-05-30 08:55:59 -06001208 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
Stephane Eranian410136f2013-11-12 17:58:49 +01001209 csv_sep);
1210 fprintf(output, "%-*s%s",
1211 csv_output ? 0 : unit_width,
1212 counter->unit, csv_sep);
1213 fprintf(output, "%*s",
1214 csv_output ? 0 : -25,
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -03001215 perf_evsel__name(counter));
Stephane Eranian023695d2011-02-14 11:20:01 +02001216
1217 if (counter->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001218 fprintf(output, "%s%s", csv_sep, counter->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +02001219
Stephane Eranian4aa90152011-08-15 22:22:33 +02001220 fputc('\n', output);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001221 return;
1222 }
1223
Stephane Eranian410136f2013-11-12 17:58:49 +01001224 uval = avg * counter->scale;
1225
Ingo Molnar42202dd2009-06-13 14:57:28 +02001226 if (nsec_counter(counter))
Stephane Eranian410136f2013-11-12 17:58:49 +01001227 nsec_printout(-1, 0, counter, uval);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001228 else
Stephane Eranian410136f2013-11-12 17:58:49 +01001229 abs_printout(-1, 0, counter, uval);
Peter Zijlstra849abde2009-09-04 18:23:38 +02001230
Zhengyu He3ae9a34d2011-06-23 13:45:42 -07001231 print_noise(counter, avg);
1232
Stephane Eraniand7470b62010-12-01 18:49:05 +02001233 if (csv_output) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001234 fputc('\n', output);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001235 return;
1236 }
1237
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001238 if (scaled) {
1239 double avg_enabled, avg_running;
1240
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001241 avg_enabled = avg_stats(&ps->res_stats[1]);
1242 avg_running = avg_stats(&ps->res_stats[2]);
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001243
Stephane Eranian4aa90152011-08-15 22:22:33 +02001244 fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled);
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001245 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001246 fprintf(output, "\n");
Ingo Molnar42202dd2009-06-13 14:57:28 +02001247}
1248
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001249/*
1250 * Print out the results of a single counter:
1251 * does not use aggregated count in system-wide
1252 */
Stephane Eranian13370a92013-01-29 12:47:44 +01001253static void print_counter(struct perf_evsel *counter, char *prefix)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001254{
1255 u64 ena, run, val;
Stephane Eranian410136f2013-11-12 17:58:49 +01001256 double uval;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001257 int cpu;
1258
Yan, Zheng7ae92e72012-09-10 15:53:50 +08001259 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -02001260 val = counter->counts->cpu[cpu].val;
1261 ena = counter->counts->cpu[cpu].ena;
1262 run = counter->counts->cpu[cpu].run;
Stephane Eranian13370a92013-01-29 12:47:44 +01001263
1264 if (prefix)
1265 fprintf(output, "%s", prefix);
1266
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001267 if (run == 0 || ena == 0) {
Stephane Eranian410136f2013-11-12 17:58:49 +01001268 fprintf(output, "CPU%*d%s%*s%s",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001269 csv_output ? 0 : -4,
Yan, Zheng7ae92e72012-09-10 15:53:50 +08001270 perf_evsel__cpus(counter)->map[cpu], csv_sep,
Stephane Eraniand7470b62010-12-01 18:49:05 +02001271 csv_output ? 0 : 18,
David Ahern2cee77c2011-05-30 08:55:59 -06001272 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
Stephane Eranian410136f2013-11-12 17:58:49 +01001273 csv_sep);
1274
1275 fprintf(output, "%-*s%s",
1276 csv_output ? 0 : unit_width,
1277 counter->unit, csv_sep);
1278
1279 fprintf(output, "%*s",
1280 csv_output ? 0 : -25,
1281 perf_evsel__name(counter));
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001282
Stephane Eranian023695d2011-02-14 11:20:01 +02001283 if (counter->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001284 fprintf(output, "%s%s",
1285 csv_sep, counter->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +02001286
Stephane Eranian4aa90152011-08-15 22:22:33 +02001287 fputc('\n', output);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001288 continue;
1289 }
1290
Stephane Eranian410136f2013-11-12 17:58:49 +01001291 uval = val * counter->scale;
1292
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001293 if (nsec_counter(counter))
Stephane Eranian410136f2013-11-12 17:58:49 +01001294 nsec_printout(cpu, 0, counter, uval);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001295 else
Stephane Eranian410136f2013-11-12 17:58:49 +01001296 abs_printout(cpu, 0, counter, uval);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001297
Stephane Eraniand7470b62010-12-01 18:49:05 +02001298 if (!csv_output) {
1299 print_noise(counter, 1.0);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001300
Ingo Molnarc6264de2011-04-27 13:50:47 +02001301 if (run != ena)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001302 fprintf(output, " (%.2f%%)",
1303 100.0 * run / ena);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001304 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001305 fputc('\n', output);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001306 }
1307}
1308
Ingo Molnar42202dd2009-06-13 14:57:28 +02001309static void print_stat(int argc, const char **argv)
1310{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001311 struct perf_evsel *counter;
1312 int i;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001313
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001314 fflush(stdout);
1315
Stephane Eraniand7470b62010-12-01 18:49:05 +02001316 if (!csv_output) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001317 fprintf(output, "\n");
1318 fprintf(output, " Performance counter stats for ");
David Ahern62d3b612013-09-28 14:27:58 -06001319 if (target.system_wide)
1320 fprintf(output, "\'system wide");
1321 else if (target.cpu_list)
1322 fprintf(output, "\'CPU(s) %s", target.cpu_list);
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001323 else if (!target__has_task(&target)) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001324 fprintf(output, "\'%s", argv[0]);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001325 for (i = 1; i < argc; i++)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001326 fprintf(output, " %s", argv[i]);
Namhyung Kim20f946b2012-04-26 14:15:16 +09001327 } else if (target.pid)
1328 fprintf(output, "process id \'%s", target.pid);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001329 else
Namhyung Kim20f946b2012-04-26 14:15:16 +09001330 fprintf(output, "thread id \'%s", target.tid);
Ingo Molnar44db76c2009-06-03 19:36:07 +02001331
Stephane Eranian4aa90152011-08-15 22:22:33 +02001332 fprintf(output, "\'");
Stephane Eraniand7470b62010-12-01 18:49:05 +02001333 if (run_count > 1)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001334 fprintf(output, " (%d runs)", run_count);
1335 fprintf(output, ":\n\n");
Stephane Eraniand7470b62010-12-01 18:49:05 +02001336 }
Ingo Molnar2996f5d2009-05-29 09:10:54 +02001337
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001338 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +01001339 case AGGR_CORE:
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001340 case AGGR_SOCKET:
1341 print_aggr(NULL);
1342 break;
1343 case AGGR_GLOBAL:
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -02001344 list_for_each_entry(counter, &evsel_list->entries, node)
Stephane Eranian13370a92013-01-29 12:47:44 +01001345 print_counter_aggr(counter, NULL);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001346 break;
1347 case AGGR_NONE:
1348 list_for_each_entry(counter, &evsel_list->entries, node)
1349 print_counter(counter, NULL);
1350 break;
1351 default:
1352 break;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001353 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001354
Stephane Eraniand7470b62010-12-01 18:49:05 +02001355 if (!csv_output) {
Ingo Molnarc3305252011-05-19 14:01:42 +02001356 if (!null_run)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001357 fprintf(output, "\n");
1358 fprintf(output, " %17.9f seconds time elapsed",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001359 avg_stats(&walltime_nsecs_stats)/1e9);
1360 if (run_count > 1) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001361 fprintf(output, " ");
Ingo Molnarf99844c2011-04-27 05:35:39 +02001362 print_noise_pct(stddev_stats(&walltime_nsecs_stats),
1363 avg_stats(&walltime_nsecs_stats));
Stephane Eraniand7470b62010-12-01 18:49:05 +02001364 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001365 fprintf(output, "\n\n");
Ingo Molnar566747e2009-06-27 06:24:32 +02001366 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001367}
1368
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001369static volatile int signr = -1;
1370
Ingo Molnar52425192009-05-26 09:17:18 +02001371static void skip_signal(int signo)
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001372{
Stephane Eranian13370a92013-01-29 12:47:44 +01001373 if ((child_pid == -1) || interval)
Liming Wang60666c62009-12-31 16:05:50 +08001374 done = 1;
1375
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001376 signr = signo;
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001377 /*
1378 * render child_pid harmless
1379 * won't send SIGTERM to a random
1380 * process in case of race condition
1381 * and fast PID recycling
1382 */
1383 child_pid = -1;
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001384}
1385
1386static void sig_atexit(void)
1387{
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001388 sigset_t set, oset;
1389
1390 /*
1391 * avoid race condition with SIGCHLD handler
1392 * in skip_signal() which is modifying child_pid
1393 * goal is to avoid send SIGTERM to a random
1394 * process
1395 */
1396 sigemptyset(&set);
1397 sigaddset(&set, SIGCHLD);
1398 sigprocmask(SIG_BLOCK, &set, &oset);
1399
Chris Wilson933da832009-10-04 01:35:01 +01001400 if (child_pid != -1)
1401 kill(child_pid, SIGTERM);
1402
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001403 sigprocmask(SIG_SETMASK, &oset, NULL);
1404
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001405 if (signr == -1)
1406 return;
1407
1408 signal(signr, SIG_DFL);
1409 kill(getpid(), signr);
Ingo Molnar52425192009-05-26 09:17:18 +02001410}
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001411
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001412static int stat__set_big_num(const struct option *opt __maybe_unused,
1413 const char *s __maybe_unused, int unset)
Stephane Eraniand7470b62010-12-01 18:49:05 +02001414{
1415 big_num_opt = unset ? 0 : 1;
1416 return 0;
1417}
1418
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001419static int perf_stat_init_aggr_mode(void)
1420{
1421 switch (aggr_mode) {
1422 case AGGR_SOCKET:
1423 if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) {
1424 perror("cannot build socket map");
1425 return -1;
1426 }
1427 aggr_get_id = cpu_map__get_socket;
1428 break;
Stephane Eranian12c08a92013-02-14 13:57:29 +01001429 case AGGR_CORE:
1430 if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) {
1431 perror("cannot build core map");
1432 return -1;
1433 }
1434 aggr_get_id = cpu_map__get_core;
1435 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001436 case AGGR_NONE:
1437 case AGGR_GLOBAL:
1438 default:
1439 break;
1440 }
1441 return 0;
1442}
1443
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001444static int setup_events(const char * const *attrs, unsigned len)
1445{
1446 unsigned i;
1447
1448 for (i = 0; i < len; i++) {
1449 if (parse_events(evsel_list, attrs[i]))
1450 return -1;
1451 }
1452 return 0;
1453}
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001454
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001455/*
1456 * Add default attributes, if there were no attributes specified or
1457 * if -d/--detailed, -d -d or -d -d -d is used:
1458 */
1459static int add_default_attributes(void)
1460{
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001461 struct perf_event_attr default_attrs[] = {
1462
1463 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK },
1464 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES },
1465 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS },
1466 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS },
1467
1468 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES },
1469 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
1470 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
1471 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS },
1472 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
1473 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES },
1474
1475};
1476
1477/*
1478 * Detailed stats (-d), covering the L1 and last level data caches:
1479 */
1480 struct perf_event_attr detailed_attrs[] = {
1481
1482 { .type = PERF_TYPE_HW_CACHE,
1483 .config =
1484 PERF_COUNT_HW_CACHE_L1D << 0 |
1485 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1486 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1487
1488 { .type = PERF_TYPE_HW_CACHE,
1489 .config =
1490 PERF_COUNT_HW_CACHE_L1D << 0 |
1491 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1492 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1493
1494 { .type = PERF_TYPE_HW_CACHE,
1495 .config =
1496 PERF_COUNT_HW_CACHE_LL << 0 |
1497 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1498 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1499
1500 { .type = PERF_TYPE_HW_CACHE,
1501 .config =
1502 PERF_COUNT_HW_CACHE_LL << 0 |
1503 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1504 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1505};
1506
1507/*
1508 * Very detailed stats (-d -d), covering the instruction cache and the TLB caches:
1509 */
1510 struct perf_event_attr very_detailed_attrs[] = {
1511
1512 { .type = PERF_TYPE_HW_CACHE,
1513 .config =
1514 PERF_COUNT_HW_CACHE_L1I << 0 |
1515 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1516 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1517
1518 { .type = PERF_TYPE_HW_CACHE,
1519 .config =
1520 PERF_COUNT_HW_CACHE_L1I << 0 |
1521 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1522 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1523
1524 { .type = PERF_TYPE_HW_CACHE,
1525 .config =
1526 PERF_COUNT_HW_CACHE_DTLB << 0 |
1527 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1528 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1529
1530 { .type = PERF_TYPE_HW_CACHE,
1531 .config =
1532 PERF_COUNT_HW_CACHE_DTLB << 0 |
1533 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1534 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1535
1536 { .type = PERF_TYPE_HW_CACHE,
1537 .config =
1538 PERF_COUNT_HW_CACHE_ITLB << 0 |
1539 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1540 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1541
1542 { .type = PERF_TYPE_HW_CACHE,
1543 .config =
1544 PERF_COUNT_HW_CACHE_ITLB << 0 |
1545 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1546 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1547
1548};
1549
1550/*
1551 * Very, very detailed stats (-d -d -d), adding prefetch events:
1552 */
1553 struct perf_event_attr very_very_detailed_attrs[] = {
1554
1555 { .type = PERF_TYPE_HW_CACHE,
1556 .config =
1557 PERF_COUNT_HW_CACHE_L1D << 0 |
1558 (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
1559 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1560
1561 { .type = PERF_TYPE_HW_CACHE,
1562 .config =
1563 PERF_COUNT_HW_CACHE_L1D << 0 |
1564 (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
1565 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1566};
1567
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001568 /* Set attrs if no event is selected and !null_run: */
1569 if (null_run)
1570 return 0;
1571
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001572 if (transaction_run) {
1573 int err;
1574 if (pmu_have_event("cpu", "cycles-ct") &&
1575 pmu_have_event("cpu", "el-start"))
1576 err = setup_events(transaction_attrs,
1577 ARRAY_SIZE(transaction_attrs));
1578 else
1579 err = setup_events(transaction_limited_attrs,
1580 ARRAY_SIZE(transaction_limited_attrs));
1581 if (err < 0) {
1582 fprintf(stderr, "Cannot set up transaction events\n");
1583 return -1;
1584 }
1585 return 0;
1586 }
1587
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001588 if (!evsel_list->nr_entries) {
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001589 if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001590 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001591 }
1592
1593 /* Detailed events get appended to the event list: */
1594
1595 if (detailed_run < 1)
1596 return 0;
1597
1598 /* Append detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001599 if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001600 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001601
1602 if (detailed_run < 2)
1603 return 0;
1604
1605 /* Append very detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001606 if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001607 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001608
1609 if (detailed_run < 3)
1610 return 0;
1611
1612 /* Append very, very detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001613 return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs);
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001614}
1615
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001616int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
Ingo Molnar52425192009-05-26 09:17:18 +02001617{
Peter Zijlstra1f16c572012-10-23 13:40:14 +02001618 bool append_file = false;
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001619 int output_fd = 0;
1620 const char *output_name = NULL;
1621 const struct option options[] = {
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001622 OPT_BOOLEAN('T', "transaction", &transaction_run,
1623 "hardware transaction statistics"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001624 OPT_CALLBACK('e', "event", &evsel_list, "event",
1625 "event selector. use 'perf list' to list available events",
1626 parse_events_option),
1627 OPT_CALLBACK(0, "filter", &evsel_list, "filter",
1628 "event filter", parse_filter),
1629 OPT_BOOLEAN('i', "no-inherit", &no_inherit,
1630 "child tasks do not inherit counters"),
1631 OPT_STRING('p', "pid", &target.pid, "pid",
1632 "stat events on existing process id"),
1633 OPT_STRING('t', "tid", &target.tid, "tid",
1634 "stat events on existing thread id"),
1635 OPT_BOOLEAN('a', "all-cpus", &target.system_wide,
1636 "system-wide collection from all CPUs"),
1637 OPT_BOOLEAN('g', "group", &group,
1638 "put the counters into a counter group"),
1639 OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"),
1640 OPT_INCR('v', "verbose", &verbose,
1641 "be more verbose (show counter open errors, etc)"),
1642 OPT_INTEGER('r', "repeat", &run_count,
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001643 "repeat command and print average + stddev (max: 100, forever: 0)"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001644 OPT_BOOLEAN('n', "null", &null_run,
1645 "null run - dont start any counters"),
1646 OPT_INCR('d', "detailed", &detailed_run,
1647 "detailed run - start a lot of events"),
1648 OPT_BOOLEAN('S', "sync", &sync_run,
1649 "call sync() before starting a run"),
1650 OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL,
1651 "print large numbers with thousands\' separators",
1652 stat__set_big_num),
1653 OPT_STRING('C', "cpu", &target.cpu_list, "cpu",
1654 "list of cpus to monitor in system-wide"),
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001655 OPT_SET_UINT('A', "no-aggr", &aggr_mode,
1656 "disable CPU count aggregation", AGGR_NONE),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001657 OPT_STRING('x', "field-separator", &csv_sep, "separator",
1658 "print counts with custom separator"),
1659 OPT_CALLBACK('G', "cgroup", &evsel_list, "name",
1660 "monitor event in cgroup name only", parse_cgroups),
1661 OPT_STRING('o', "output", &output_name, "file", "output file name"),
1662 OPT_BOOLEAN(0, "append", &append_file, "append to the output file"),
1663 OPT_INTEGER(0, "log-fd", &output_fd,
1664 "log output to fd, instead of stderr"),
Peter Zijlstra1f16c572012-10-23 13:40:14 +02001665 OPT_STRING(0, "pre", &pre_cmd, "command",
1666 "command to run prior to the measured command"),
1667 OPT_STRING(0, "post", &post_cmd, "command",
1668 "command to run after to the measured command"),
Stephane Eranian13370a92013-01-29 12:47:44 +01001669 OPT_UINTEGER('I', "interval-print", &interval,
1670 "print counts at regular interval in ms (>= 100)"),
Stephane Eraniand4304952013-02-14 13:57:28 +01001671 OPT_SET_UINT(0, "per-socket", &aggr_mode,
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001672 "aggregate counts per processor socket", AGGR_SOCKET),
Stephane Eranian12c08a92013-02-14 13:57:29 +01001673 OPT_SET_UINT(0, "per-core", &aggr_mode,
1674 "aggregate counts per physical processor core", AGGR_CORE),
Andi Kleen41191682013-08-02 17:41:11 -07001675 OPT_UINTEGER('D', "delay", &initial_delay,
1676 "ms to wait before starting measurement after program start"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001677 OPT_END()
1678 };
1679 const char * const stat_usage[] = {
1680 "perf stat [<options>] [<command>]",
1681 NULL
1682 };
Namhyung Kimcc03c542013-11-01 16:33:15 +09001683 int status = -EINVAL, run_idx;
Stephane Eranian4aa90152011-08-15 22:22:33 +02001684 const char *mode;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001685
Stephane Eranian5af52b52010-05-18 15:00:01 +02001686 setlocale(LC_ALL, "");
1687
Namhyung Kim334fe7a2013-03-11 16:43:12 +09001688 evsel_list = perf_evlist__new();
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -02001689 if (evsel_list == NULL)
1690 return -ENOMEM;
1691
Anton Blancharda0541232009-07-22 23:04:12 +10001692 argc = parse_options(argc, argv, options, stat_usage,
1693 PARSE_OPT_STOP_AT_NON_OPTION);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001694
Stephane Eranian4aa90152011-08-15 22:22:33 +02001695 output = stderr;
1696 if (output_name && strcmp(output_name, "-"))
1697 output = NULL;
1698
Jim Cromie56f3bae2011-09-07 17:14:00 -06001699 if (output_name && output_fd) {
1700 fprintf(stderr, "cannot use both --output and --log-fd\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001701 parse_options_usage(stat_usage, options, "o", 1);
1702 parse_options_usage(NULL, options, "log-fd", 0);
1703 goto out;
Jim Cromie56f3bae2011-09-07 17:14:00 -06001704 }
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001705
1706 if (output_fd < 0) {
1707 fprintf(stderr, "argument to --log-fd must be a > 0\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001708 parse_options_usage(stat_usage, options, "log-fd", 0);
1709 goto out;
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001710 }
1711
Stephane Eranian4aa90152011-08-15 22:22:33 +02001712 if (!output) {
1713 struct timespec tm;
1714 mode = append_file ? "a" : "w";
1715
1716 output = fopen(output_name, mode);
1717 if (!output) {
1718 perror("failed to create output file");
David Ahernfceda7f2012-08-26 12:24:44 -06001719 return -1;
Stephane Eranian4aa90152011-08-15 22:22:33 +02001720 }
1721 clock_gettime(CLOCK_REALTIME, &tm);
1722 fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001723 } else if (output_fd > 0) {
Jim Cromie56f3bae2011-09-07 17:14:00 -06001724 mode = append_file ? "a" : "w";
1725 output = fdopen(output_fd, mode);
1726 if (!output) {
1727 perror("Failed opening logfd");
1728 return -errno;
1729 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001730 }
1731
Jim Cromied4ffd042011-09-07 17:14:03 -06001732 if (csv_sep) {
Stephane Eraniand7470b62010-12-01 18:49:05 +02001733 csv_output = true;
Jim Cromied4ffd042011-09-07 17:14:03 -06001734 if (!strcmp(csv_sep, "\\t"))
1735 csv_sep = "\t";
1736 } else
Stephane Eraniand7470b62010-12-01 18:49:05 +02001737 csv_sep = DEFAULT_SEPARATOR;
1738
1739 /*
1740 * let the spreadsheet do the pretty-printing
1741 */
1742 if (csv_output) {
Jim Cromie61a9f322011-09-07 17:14:04 -06001743 /* User explicitly passed -B? */
Stephane Eraniand7470b62010-12-01 18:49:05 +02001744 if (big_num_opt == 1) {
1745 fprintf(stderr, "-B option not supported with -x\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001746 parse_options_usage(stat_usage, options, "B", 1);
1747 parse_options_usage(NULL, options, "x", 1);
1748 goto out;
Stephane Eraniand7470b62010-12-01 18:49:05 +02001749 } else /* Nope, so disable big number formatting */
1750 big_num = false;
1751 } else if (big_num_opt == 0) /* User passed --no-big-num */
1752 big_num = false;
1753
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001754 if (!argc && target__none(&target))
Ingo Molnar52425192009-05-26 09:17:18 +02001755 usage_with_options(stat_usage, options);
David Ahernac3063b2013-09-30 07:37:37 -06001756
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001757 if (run_count < 0) {
Namhyung Kimcc03c542013-11-01 16:33:15 +09001758 pr_err("Run count must be a positive number\n");
1759 parse_options_usage(stat_usage, options, "r", 1);
1760 goto out;
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001761 } else if (run_count == 0) {
1762 forever = true;
1763 run_count = 1;
1764 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001765
Stephane Eranian023695d2011-02-14 11:20:01 +02001766 /* no_aggr, cgroup are for system-wide only */
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001767 if ((aggr_mode != AGGR_GLOBAL || nr_cgroups) &&
1768 !target__has_cpu(&target)) {
Stephane Eranian023695d2011-02-14 11:20:01 +02001769 fprintf(stderr, "both cgroup and no-aggregation "
1770 "modes only available in system-wide mode\n");
1771
Namhyung Kimcc03c542013-11-01 16:33:15 +09001772 parse_options_usage(stat_usage, options, "G", 1);
1773 parse_options_usage(NULL, options, "A", 1);
1774 parse_options_usage(NULL, options, "a", 1);
1775 goto out;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001776 }
1777
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001778 if (add_default_attributes())
1779 goto out;
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001780
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001781 target__validate(&target);
Arnaldo Carvalho de Melo5c98d4662011-01-03 17:53:33 -02001782
Namhyung Kim77a6f012012-05-07 14:09:04 +09001783 if (perf_evlist__create_maps(evsel_list, &target) < 0) {
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001784 if (target__has_task(&target)) {
Namhyung Kim77a6f012012-05-07 14:09:04 +09001785 pr_err("Problems finding threads of monitor\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001786 parse_options_usage(stat_usage, options, "p", 1);
1787 parse_options_usage(NULL, options, "t", 1);
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001788 } else if (target__has_cpu(&target)) {
Namhyung Kim77a6f012012-05-07 14:09:04 +09001789 perror("failed to parse CPUs map");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001790 parse_options_usage(stat_usage, options, "C", 1);
1791 parse_options_usage(NULL, options, "a", 1);
1792 }
1793 goto out;
Arnaldo Carvalho de Melo60d567e2011-01-03 17:49:48 -02001794 }
Stephane Eranian13370a92013-01-29 12:47:44 +01001795 if (interval && interval < 100) {
1796 pr_err("print interval must be >= 100ms\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001797 parse_options_usage(stat_usage, options, "I", 1);
1798 goto out_free_maps;
Stephane Eranian13370a92013-01-29 12:47:44 +01001799 }
Stephane Eranianc45c6ea2010-05-28 12:00:01 +02001800
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001801 if (perf_evlist__alloc_stats(evsel_list, interval))
1802 goto out_free_maps;
Zhang, Yanmind6d901c2010-03-18 11:36:05 -03001803
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001804 if (perf_stat_init_aggr_mode())
Namhyung Kimcc03c542013-11-01 16:33:15 +09001805 goto out_free_maps;
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001806
Ingo Molnar58d7e992009-05-15 11:03:23 +02001807 /*
1808 * We dont want to block the signals - that would cause
1809 * child tasks to inherit that and Ctrl-C would not work.
1810 * What we want is for Ctrl-C to work in the exec()-ed
1811 * task, but being ignored by perf stat itself:
1812 */
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001813 atexit(sig_atexit);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001814 if (!forever)
1815 signal(SIGINT, skip_signal);
Stephane Eranian13370a92013-01-29 12:47:44 +01001816 signal(SIGCHLD, skip_signal);
Ingo Molnar58d7e992009-05-15 11:03:23 +02001817 signal(SIGALRM, skip_signal);
1818 signal(SIGABRT, skip_signal);
1819
Ingo Molnar42202dd2009-06-13 14:57:28 +02001820 status = 0;
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001821 for (run_idx = 0; forever || run_idx < run_count; run_idx++) {
Ingo Molnar42202dd2009-06-13 14:57:28 +02001822 if (run_count != 1 && verbose)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001823 fprintf(output, "[ perf stat: executing run #%d ... ]\n",
1824 run_idx + 1);
Ingo Molnarf9cef0a2011-04-28 18:17:11 +02001825
Ingo Molnar42202dd2009-06-13 14:57:28 +02001826 status = run_perf_stat(argc, argv);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001827 if (forever && status != -1) {
1828 print_stat(argc, argv);
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001829 perf_stat__reset_stats(evsel_list);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001830 }
Ingo Molnar42202dd2009-06-13 14:57:28 +02001831 }
1832
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001833 if (!forever && status != -1 && !interval)
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -03001834 print_stat(argc, argv);
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001835
1836 perf_evlist__free_stats(evsel_list);
1837out_free_maps:
Arnaldo Carvalho de Melo7e2ed092011-01-30 11:59:43 -02001838 perf_evlist__delete_maps(evsel_list);
Arnaldo Carvalho de Melo0015e2e2011-02-01 16:18:10 -02001839out:
1840 perf_evlist__delete(evsel_list);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001841 return status;
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001842}