Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1 | /* |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 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: |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 8 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 9 | $ perf stat ./hackbench 10 |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 10 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 11 | Time: 0.118 |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 12 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 13 | Performance counter stats for './hackbench 10': |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 14 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 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 |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 28 | |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 29 | * |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 30 | * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 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> |
Jaswinder Singh Rajput | 6e750a8f | 2009-06-27 03:02:07 +0530 | [diff] [blame] | 39 | * Jaswinder Singh Rajput <jaswinder@kernel.org> |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 40 | * |
| 41 | * Released under the GPL v2. (and only v2, not any later version) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 42 | */ |
| 43 | |
Peter Zijlstra | 1a482f3 | 2009-05-23 18:28:58 +0200 | [diff] [blame] | 44 | #include "perf.h" |
Ingo Molnar | 16f762a | 2009-05-27 09:10:38 +0200 | [diff] [blame] | 45 | #include "builtin.h" |
Arnaldo Carvalho de Melo | f14d570 | 2014-10-17 12:17:40 -0300 | [diff] [blame] | 46 | #include "util/cgroup.h" |
Ingo Molnar | 148be2c | 2009-04-27 08:02:14 +0200 | [diff] [blame] | 47 | #include "util/util.h" |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 48 | #include "util/parse-options.h" |
| 49 | #include "util/parse-events.h" |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 50 | #include "util/pmu.h" |
Frederic Weisbecker | 8f28827 | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 51 | #include "util/event.h" |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 52 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 53 | #include "util/evsel.h" |
Frederic Weisbecker | 8f28827 | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 54 | #include "util/debug.h" |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 55 | #include "util/color.h" |
Xiao Guangrong | 0007ece | 2012-09-17 16:31:14 +0800 | [diff] [blame] | 56 | #include "util/stat.h" |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 57 | #include "util/header.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 58 | #include "util/cpumap.h" |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 59 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 60 | #include "util/thread_map.h" |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 61 | |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 62 | #include <stdlib.h> |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 63 | #include <sys/prctl.h> |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 64 | #include <locale.h> |
Peter Zijlstra | 16c8a10 | 2009-05-05 17:50:27 +0200 | [diff] [blame] | 65 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 66 | #define DEFAULT_SEPARATOR " " |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 67 | #define CNTR_NOT_SUPPORTED "<not supported>" |
| 68 | #define CNTR_NOT_COUNTED "<not counted>" |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 69 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 70 | static void print_stat(int argc, const char **argv); |
| 71 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix); |
| 72 | static void print_counter(struct perf_evsel *counter, char *prefix); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 73 | static void print_aggr(char *prefix); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 74 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 75 | /* Default events used for perf stat -T */ |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 76 | static const char *transaction_attrs = { |
| 77 | "task-clock," |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 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. */ |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 89 | static const char * transaction_limited_attrs = { |
| 90 | "task-clock," |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 91 | "{" |
| 92 | "instructions," |
| 93 | "cycles," |
| 94 | "cpu/cycles-t/," |
| 95 | "cpu/tx-start/" |
| 96 | "}" |
| 97 | }; |
| 98 | |
Robert Richter | 666e6d4 | 2012-04-05 18:26:27 +0200 | [diff] [blame] | 99 | static struct perf_evlist *evsel_list; |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 100 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 101 | static struct target target = { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 102 | .uid = UINT_MAX, |
| 103 | }; |
Jaswinder Singh Rajput | 3d63259 | 2009-06-24 18:19:34 +0530 | [diff] [blame] | 104 | |
| 105 | static int run_count = 1; |
Stephane Eranian | 2e6cdf9 | 2010-05-12 10:40:01 +0200 | [diff] [blame] | 106 | static bool no_inherit = false; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 107 | static bool scale = true; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 108 | static enum aggr_mode aggr_mode = AGGR_GLOBAL; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 109 | static volatile pid_t child_pid = -1; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 110 | static bool null_run = false; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 111 | static int detailed_run = 0; |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 112 | static bool transaction_run; |
Arnaldo Carvalho de Melo | 201e0b0 | 2010-12-01 17:53:27 -0200 | [diff] [blame] | 113 | static bool big_num = true; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 114 | static int big_num_opt = -1; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 115 | static const char *csv_sep = NULL; |
| 116 | static bool csv_output = false; |
Lin Ming | 43bece7 | 2011-08-17 18:42:07 +0800 | [diff] [blame] | 117 | static bool group = false; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 118 | static FILE *output = NULL; |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 119 | static const char *pre_cmd = NULL; |
| 120 | static const char *post_cmd = NULL; |
| 121 | static bool sync_run = false; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 122 | static unsigned int interval = 0; |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 123 | static unsigned int initial_delay = 0; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 124 | static unsigned int unit_width = 4; /* strlen("unit") */ |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 125 | static bool forever = false; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 126 | static struct timespec ref_time; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 127 | static struct cpu_map *aggr_map; |
| 128 | static int (*aggr_get_id)(struct cpu_map *m, int cpu); |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 129 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 130 | static volatile int done = 0; |
| 131 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 132 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
| 133 | struct timespec *b) |
| 134 | { |
| 135 | r->tv_sec = a->tv_sec - b->tv_sec; |
| 136 | if (a->tv_nsec < b->tv_nsec) { |
| 137 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; |
| 138 | r->tv_sec--; |
| 139 | } else { |
| 140 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel) |
| 145 | { |
| 146 | return (evsel->cpus && !target.cpu_list) ? evsel->cpus : evsel_list->cpus; |
| 147 | } |
| 148 | |
| 149 | static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel) |
| 150 | { |
| 151 | return perf_evsel__cpus(evsel)->nr; |
| 152 | } |
| 153 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 154 | static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel) |
| 155 | { |
Andi Kleen | 90f6bb6 | 2014-03-25 10:31:38 -0700 | [diff] [blame] | 156 | int i; |
| 157 | struct perf_stat *ps = evsel->priv; |
| 158 | |
| 159 | for (i = 0; i < 3; i++) |
| 160 | init_stats(&ps->res_stats[i]); |
Jiri Olsa | e2f56da | 2015-06-04 15:50:55 +0200 | [diff] [blame] | 161 | |
| 162 | perf_stat_evsel_id_init(evsel); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 163 | } |
| 164 | |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 165 | static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 166 | { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 167 | evsel->priv = zalloc(sizeof(struct perf_stat)); |
Jiri Olsa | d180ac1 | 2014-06-20 10:56:34 +0200 | [diff] [blame] | 168 | if (evsel->priv == NULL) |
Andi Kleen | 90f6bb6 | 2014-03-25 10:31:38 -0700 | [diff] [blame] | 169 | return -ENOMEM; |
| 170 | perf_evsel__reset_stat_priv(evsel); |
| 171 | return 0; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | static void perf_evsel__free_stat_priv(struct perf_evsel *evsel) |
| 175 | { |
Arnaldo Carvalho de Melo | 0466252 | 2013-12-26 17:41:15 -0300 | [diff] [blame] | 176 | zfree(&evsel->priv); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 177 | } |
| 178 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 179 | static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel) |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 180 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 181 | void *addr; |
| 182 | size_t sz; |
| 183 | |
| 184 | sz = sizeof(*evsel->counts) + |
| 185 | (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values)); |
| 186 | |
| 187 | addr = zalloc(sz); |
| 188 | if (!addr) |
| 189 | return -ENOMEM; |
| 190 | |
| 191 | evsel->prev_raw_counts = addr; |
| 192 | |
| 193 | return 0; |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 194 | } |
| 195 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 196 | static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 197 | { |
Arnaldo Carvalho de Melo | 0466252 | 2013-12-26 17:41:15 -0300 | [diff] [blame] | 198 | zfree(&evsel->prev_raw_counts); |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 199 | } |
| 200 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 201 | static void perf_evlist__free_stats(struct perf_evlist *evlist) |
| 202 | { |
| 203 | struct perf_evsel *evsel; |
| 204 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 205 | evlist__for_each(evlist, evsel) { |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 206 | perf_evsel__free_stat_priv(evsel); |
| 207 | perf_evsel__free_counts(evsel); |
| 208 | perf_evsel__free_prev_raw_counts(evsel); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw) |
| 213 | { |
| 214 | struct perf_evsel *evsel; |
| 215 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 216 | evlist__for_each(evlist, evsel) { |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 217 | if (perf_evsel__alloc_stat_priv(evsel) < 0 || |
| 218 | perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 || |
| 219 | (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0)) |
| 220 | goto out_free; |
| 221 | } |
| 222 | |
| 223 | return 0; |
| 224 | |
| 225 | out_free: |
| 226 | perf_evlist__free_stats(evlist); |
| 227 | return -1; |
| 228 | } |
| 229 | |
Jiri Olsa | 1eda3b2 | 2015-06-03 16:25:55 +0200 | [diff] [blame] | 230 | static void perf_stat__reset_stats(struct perf_evlist *evlist) |
| 231 | { |
| 232 | struct perf_evsel *evsel; |
| 233 | |
| 234 | evlist__for_each(evlist, evsel) { |
| 235 | perf_evsel__reset_stat_priv(evsel); |
| 236 | perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); |
| 237 | } |
| 238 | |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame^] | 239 | perf_stat__reset_shadow_stats(); |
Jiri Olsa | 1eda3b2 | 2015-06-03 16:25:55 +0200 | [diff] [blame] | 240 | } |
| 241 | |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 242 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 243 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 244 | struct perf_event_attr *attr = &evsel->attr; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 245 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 246 | if (scale) |
Ingo Molnar | a21ca2c | 2009-06-06 09:58:57 +0200 | [diff] [blame] | 247 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
| 248 | PERF_FORMAT_TOTAL_TIME_RUNNING; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 249 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 250 | attr->inherit = !no_inherit; |
Arnaldo Carvalho de Melo | 5d2cd90 | 2011-04-14 11:20:14 -0300 | [diff] [blame] | 251 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 252 | if (target__has_cpu(&target)) |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 253 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); |
Stephane Eranian | 5622c07 | 2012-04-27 14:45:38 +0200 | [diff] [blame] | 254 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 255 | if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) { |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 256 | attr->disabled = 1; |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 257 | if (!initial_delay) |
| 258 | attr->enable_on_exec = 1; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 259 | } |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 260 | |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 261 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 262 | } |
| 263 | |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 264 | /* |
| 265 | * Does the counter have nsecs as a unit? |
| 266 | */ |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 267 | static inline int nsec_counter(struct perf_evsel *evsel) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 268 | { |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 269 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
| 270 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 271 | return 1; |
| 272 | |
| 273 | return 0; |
| 274 | } |
| 275 | |
Jiri Olsa | 779d0b99 | 2014-11-21 10:31:14 +0100 | [diff] [blame] | 276 | static void zero_per_pkg(struct perf_evsel *counter) |
| 277 | { |
| 278 | if (counter->per_pkg_mask) |
| 279 | memset(counter->per_pkg_mask, 0, MAX_NR_CPUS); |
| 280 | } |
| 281 | |
| 282 | static int check_per_pkg(struct perf_evsel *counter, int cpu, bool *skip) |
| 283 | { |
| 284 | unsigned long *mask = counter->per_pkg_mask; |
| 285 | struct cpu_map *cpus = perf_evsel__cpus(counter); |
| 286 | int s; |
| 287 | |
| 288 | *skip = false; |
| 289 | |
| 290 | if (!counter->per_pkg) |
| 291 | return 0; |
| 292 | |
| 293 | if (cpu_map__empty(cpus)) |
| 294 | return 0; |
| 295 | |
| 296 | if (!mask) { |
| 297 | mask = zalloc(MAX_NR_CPUS); |
| 298 | if (!mask) |
| 299 | return -ENOMEM; |
| 300 | |
| 301 | counter->per_pkg_mask = mask; |
| 302 | } |
| 303 | |
| 304 | s = cpu_map__get_socket(cpus, cpu); |
| 305 | if (s < 0) |
| 306 | return -1; |
| 307 | |
| 308 | *skip = test_and_set_bit(s, mask) == 1; |
| 309 | return 0; |
| 310 | } |
| 311 | |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 312 | static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused, |
| 313 | struct perf_counts_values *count) |
| 314 | { |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 315 | struct perf_counts_values *aggr = &evsel->counts->aggr; |
Jiri Olsa | 779d0b99 | 2014-11-21 10:31:14 +0100 | [diff] [blame] | 316 | static struct perf_counts_values zero; |
| 317 | bool skip = false; |
| 318 | |
| 319 | if (check_per_pkg(evsel, cpu, &skip)) { |
| 320 | pr_err("failed to read per-pkg counter\n"); |
| 321 | return -1; |
| 322 | } |
| 323 | |
| 324 | if (skip) |
| 325 | count = &zero; |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 326 | |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 327 | switch (aggr_mode) { |
| 328 | case AGGR_CORE: |
| 329 | case AGGR_SOCKET: |
| 330 | case AGGR_NONE: |
Jiri Olsa | 6c0345b | 2014-11-21 10:31:15 +0100 | [diff] [blame] | 331 | if (!evsel->snapshot) |
| 332 | perf_evsel__compute_deltas(evsel, cpu, count); |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 333 | perf_counts_values__scale(count, scale, NULL); |
| 334 | evsel->counts->cpu[cpu] = *count; |
Andi Kleen | 56f0fd4 | 2015-03-11 08:28:01 -0700 | [diff] [blame] | 335 | if (aggr_mode == AGGR_NONE) |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame^] | 336 | perf_stat__update_shadow_stats(evsel, count->values, cpu); |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 337 | break; |
| 338 | case AGGR_GLOBAL: |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 339 | aggr->val += count->val; |
| 340 | if (scale) { |
| 341 | aggr->ena += count->ena; |
| 342 | aggr->run += count->run; |
| 343 | } |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 344 | default: |
| 345 | break; |
| 346 | } |
| 347 | |
| 348 | return 0; |
| 349 | } |
| 350 | |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 351 | static int read_counter(struct perf_evsel *counter); |
| 352 | |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 353 | /* |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 354 | * Read out the results of a single counter: |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 355 | * aggregate counts across CPUs in system-wide mode |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 356 | */ |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 357 | static int read_counter_aggr(struct perf_evsel *counter) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 358 | { |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 359 | struct perf_counts_values *aggr = &counter->counts->aggr; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 360 | struct perf_stat *ps = counter->priv; |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 361 | u64 *count = counter->counts->aggr.values; |
| 362 | int i; |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 363 | |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 364 | aggr->val = aggr->ena = aggr->run = 0; |
| 365 | |
| 366 | if (read_counter(counter)) |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 367 | return -1; |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 368 | |
Jiri Olsa | 6c0345b | 2014-11-21 10:31:15 +0100 | [diff] [blame] | 369 | if (!counter->snapshot) |
| 370 | perf_evsel__compute_deltas(counter, -1, aggr); |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 371 | perf_counts_values__scale(aggr, scale, &counter->counts->scaled); |
| 372 | |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 373 | for (i = 0; i < 3; i++) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 374 | update_stats(&ps->res_stats[i], count[i]); |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 375 | |
| 376 | if (verbose) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 377 | fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 378 | perf_evsel__name(counter), count[0], count[1], count[2]); |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 379 | } |
| 380 | |
Ingo Molnar | be1ac0d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 381 | /* |
| 382 | * Save the full runtime - to allow normalization during printout: |
| 383 | */ |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame^] | 384 | perf_stat__update_shadow_stats(counter, count, 0); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 385 | |
| 386 | return 0; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | /* |
| 390 | * Read out the results of a single counter: |
| 391 | * do not aggregate counts across CPUs in system-wide mode |
| 392 | */ |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 393 | static int read_counter(struct perf_evsel *counter) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 394 | { |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 395 | int nthreads = thread_map__nr(evsel_list->threads); |
| 396 | int ncpus = perf_evsel__nr_cpus(counter); |
| 397 | int cpu, thread; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 398 | |
Suzuki K. Poulose | 3b4331d | 2015-02-13 18:40:58 +0000 | [diff] [blame] | 399 | if (!counter->supported) |
| 400 | return -ENOENT; |
| 401 | |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 402 | if (counter->system_wide) |
| 403 | nthreads = 1; |
| 404 | |
Jiri Olsa | 779d0b99 | 2014-11-21 10:31:14 +0100 | [diff] [blame] | 405 | if (counter->per_pkg) |
| 406 | zero_per_pkg(counter); |
| 407 | |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 408 | for (thread = 0; thread < nthreads; thread++) { |
| 409 | for (cpu = 0; cpu < ncpus; cpu++) { |
| 410 | if (perf_evsel__read_cb(counter, cpu, thread, read_cb)) |
| 411 | return -1; |
| 412 | } |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 413 | } |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 414 | |
| 415 | return 0; |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 416 | } |
| 417 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 418 | static void print_interval(void) |
| 419 | { |
| 420 | static int num_print_interval; |
| 421 | struct perf_evsel *counter; |
| 422 | struct perf_stat *ps; |
| 423 | struct timespec ts, rs; |
| 424 | char prefix[64]; |
| 425 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 426 | if (aggr_mode == AGGR_GLOBAL) { |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 427 | evlist__for_each(evsel_list, counter) { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 428 | ps = counter->priv; |
| 429 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); |
| 430 | read_counter_aggr(counter); |
| 431 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 432 | } else { |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 433 | evlist__for_each(evsel_list, counter) { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 434 | ps = counter->priv; |
| 435 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); |
| 436 | read_counter(counter); |
| 437 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 438 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 439 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 440 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 441 | diff_timespec(&rs, &ts, &ref_time); |
| 442 | sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep); |
| 443 | |
| 444 | if (num_print_interval == 0 && !csv_output) { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 445 | switch (aggr_mode) { |
| 446 | case AGGR_SOCKET: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 447 | fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 448 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 449 | case AGGR_CORE: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 450 | fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 451 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 452 | case AGGR_NONE: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 453 | fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 454 | break; |
| 455 | case AGGR_GLOBAL: |
| 456 | default: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 457 | fprintf(output, "# time counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 458 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | if (++num_print_interval == 25) |
| 462 | num_print_interval = 0; |
| 463 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 464 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 465 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 466 | case AGGR_SOCKET: |
| 467 | print_aggr(prefix); |
| 468 | break; |
| 469 | case AGGR_NONE: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 470 | evlist__for_each(evsel_list, counter) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 471 | print_counter(counter, prefix); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 472 | break; |
| 473 | case AGGR_GLOBAL: |
| 474 | default: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 475 | evlist__for_each(evsel_list, counter) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 476 | print_counter_aggr(counter, prefix); |
| 477 | } |
Andi Kleen | 2bbf03f | 2013-08-02 17:41:12 -0700 | [diff] [blame] | 478 | |
| 479 | fflush(output); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 480 | } |
| 481 | |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 482 | static void handle_initial_delay(void) |
| 483 | { |
| 484 | struct perf_evsel *counter; |
| 485 | |
| 486 | if (initial_delay) { |
| 487 | const int ncpus = cpu_map__nr(evsel_list->cpus), |
| 488 | nthreads = thread_map__nr(evsel_list->threads); |
| 489 | |
| 490 | usleep(initial_delay * 1000); |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 491 | evlist__for_each(evsel_list, counter) |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 492 | perf_evsel__enable(counter, ncpus, nthreads); |
| 493 | } |
| 494 | } |
| 495 | |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 496 | static volatile int workload_exec_errno; |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 497 | |
| 498 | /* |
| 499 | * perf_evlist__prepare_workload will send a SIGUSR1 |
| 500 | * if the fork fails, since we asked by setting its |
| 501 | * want_signal to true. |
| 502 | */ |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 503 | static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, |
| 504 | void *ucontext __maybe_unused) |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 505 | { |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 506 | workload_exec_errno = info->si_value.sival_int; |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 507 | } |
| 508 | |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 509 | static int __run_perf_stat(int argc, const char **argv) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 510 | { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 511 | char msg[512]; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 512 | unsigned long long t0, t1; |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 513 | struct perf_evsel *counter; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 514 | struct timespec ts; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 515 | size_t l; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 516 | int status = 0; |
Zhang, Yanmin | 6be2850 | 2010-03-18 11:36:03 -0300 | [diff] [blame] | 517 | const bool forks = (argc > 0); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 518 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 519 | if (interval) { |
| 520 | ts.tv_sec = interval / 1000; |
| 521 | ts.tv_nsec = (interval % 1000) * 1000000; |
| 522 | } else { |
| 523 | ts.tv_sec = 1; |
| 524 | ts.tv_nsec = 0; |
| 525 | } |
| 526 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 527 | if (forks) { |
Arnaldo Carvalho de Melo | 735f7e0 | 2014-01-03 14:56:49 -0300 | [diff] [blame] | 528 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, false, |
| 529 | workload_exec_failed_signal) < 0) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 530 | perror("failed to prepare workload"); |
| 531 | return -1; |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 532 | } |
Namhyung Kim | d20a47e | 2013-09-30 18:01:11 +0900 | [diff] [blame] | 533 | child_pid = evsel_list->workload.pid; |
Paul Mackerras | 051ae7f | 2009-06-29 21:13:21 +1000 | [diff] [blame] | 534 | } |
| 535 | |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 536 | if (group) |
Arnaldo Carvalho de Melo | 63dab22 | 2012-08-14 16:35:48 -0300 | [diff] [blame] | 537 | perf_evlist__set_leader(evsel_list); |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 538 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 539 | evlist__for_each(evsel_list, counter) { |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 540 | if (create_perf_stat_counter(counter) < 0) { |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 541 | /* |
| 542 | * PPC returns ENXIO for HW counters until 2.6.37 |
| 543 | * (behavior changed with commit b0a873e). |
| 544 | */ |
Anton Blanchard | 38f6ae1 | 2011-12-02 09:38:33 +1100 | [diff] [blame] | 545 | if (errno == EINVAL || errno == ENOSYS || |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 546 | errno == ENOENT || errno == EOPNOTSUPP || |
| 547 | errno == ENXIO) { |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 548 | if (verbose) |
| 549 | ui__warning("%s event is not supported by the kernel.\n", |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 550 | perf_evsel__name(counter)); |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 551 | counter->supported = false; |
Ingo Molnar | ede7029 | 2011-04-28 08:48:42 +0200 | [diff] [blame] | 552 | continue; |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 553 | } |
Ingo Molnar | ede7029 | 2011-04-28 08:48:42 +0200 | [diff] [blame] | 554 | |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 555 | perf_evsel__open_strerror(counter, &target, |
| 556 | errno, msg, sizeof(msg)); |
| 557 | ui__error("%s\n", msg); |
| 558 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 559 | if (child_pid != -1) |
| 560 | kill(child_pid, SIGTERM); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 561 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 562 | return -1; |
| 563 | } |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 564 | counter->supported = true; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 565 | |
| 566 | l = strlen(counter->unit); |
| 567 | if (l > unit_width) |
| 568 | unit_width = l; |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 569 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 570 | |
Arnaldo Carvalho de Melo | 23d4aad | 2015-03-24 19:23:47 -0300 | [diff] [blame] | 571 | if (perf_evlist__apply_filters(evsel_list, &counter)) { |
| 572 | error("failed to set filter \"%s\" on event %s with %d (%s)\n", |
| 573 | counter->filter, perf_evsel__name(counter), errno, |
Masami Hiramatsu | 759e612 | 2014-08-14 02:22:55 +0000 | [diff] [blame] | 574 | strerror_r(errno, msg, sizeof(msg))); |
Frederic Weisbecker | cfd748a | 2011-03-14 16:40:30 +0100 | [diff] [blame] | 575 | return -1; |
| 576 | } |
| 577 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 578 | /* |
| 579 | * Enable counters and exec the command: |
| 580 | */ |
| 581 | t0 = rdclock(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 582 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 583 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 584 | if (forks) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 585 | perf_evlist__start_workload(evsel_list); |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 586 | handle_initial_delay(); |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 587 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 588 | if (interval) { |
| 589 | while (!waitpid(child_pid, &status, WNOHANG)) { |
| 590 | nanosleep(&ts, NULL); |
| 591 | print_interval(); |
| 592 | } |
| 593 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 594 | wait(&status); |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 595 | |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 596 | if (workload_exec_errno) { |
| 597 | const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); |
| 598 | pr_err("Workload failed: %s\n", emsg); |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 599 | return -1; |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 600 | } |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 601 | |
Andi Kleen | 33e49ea | 2011-09-15 14:31:40 -0700 | [diff] [blame] | 602 | if (WIFSIGNALED(status)) |
| 603 | psignal(WTERMSIG(status), argv[0]); |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 604 | } else { |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 605 | handle_initial_delay(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 606 | while (!done) { |
| 607 | nanosleep(&ts, NULL); |
| 608 | if (interval) |
| 609 | print_interval(); |
| 610 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 611 | } |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 612 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 613 | t1 = rdclock(); |
| 614 | |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 615 | update_stats(&walltime_nsecs_stats, t1 - t0); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 616 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 617 | if (aggr_mode == AGGR_GLOBAL) { |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 618 | evlist__for_each(evsel_list, counter) { |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 619 | read_counter_aggr(counter); |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 620 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
Namhyung Kim | b3a319d | 2013-03-11 16:43:14 +0900 | [diff] [blame] | 621 | thread_map__nr(evsel_list->threads)); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 622 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 623 | } else { |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 624 | evlist__for_each(evsel_list, counter) { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 625 | read_counter(counter); |
| 626 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1); |
| 627 | } |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 628 | } |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 629 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 630 | return WEXITSTATUS(status); |
| 631 | } |
| 632 | |
Arnaldo Carvalho de Melo | 41cde47 | 2014-01-03 17:34:42 -0300 | [diff] [blame] | 633 | static int run_perf_stat(int argc, const char **argv) |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 634 | { |
| 635 | int ret; |
| 636 | |
| 637 | if (pre_cmd) { |
| 638 | ret = system(pre_cmd); |
| 639 | if (ret) |
| 640 | return ret; |
| 641 | } |
| 642 | |
| 643 | if (sync_run) |
| 644 | sync(); |
| 645 | |
| 646 | ret = __run_perf_stat(argc, argv); |
| 647 | if (ret) |
| 648 | return ret; |
| 649 | |
| 650 | if (post_cmd) { |
| 651 | ret = system(post_cmd); |
| 652 | if (ret) |
| 653 | return ret; |
| 654 | } |
| 655 | |
| 656 | return ret; |
| 657 | } |
| 658 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 659 | static void print_running(u64 run, u64 ena) |
| 660 | { |
| 661 | if (csv_output) { |
| 662 | fprintf(output, "%s%" PRIu64 "%s%.2f", |
| 663 | csv_sep, |
| 664 | run, |
| 665 | csv_sep, |
| 666 | ena ? 100.0 * run / ena : 100.0); |
| 667 | } else if (run != ena) { |
| 668 | fprintf(output, " (%.2f%%)", 100.0 * run / ena); |
| 669 | } |
| 670 | } |
| 671 | |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 672 | static void print_noise_pct(double total, double avg) |
| 673 | { |
Xiao Guangrong | 0007ece | 2012-09-17 16:31:14 +0800 | [diff] [blame] | 674 | double pct = rel_stddev_stats(total, avg); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 675 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 676 | if (csv_output) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 677 | fprintf(output, "%s%.2f%%", csv_sep, pct); |
Jim Cromie | a1bca6c | 2011-09-07 17:14:02 -0600 | [diff] [blame] | 678 | else if (pct) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 679 | fprintf(output, " ( +-%6.2f%% )", pct); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 680 | } |
| 681 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 682 | static void print_noise(struct perf_evsel *evsel, double avg) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 683 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 684 | struct perf_stat *ps; |
| 685 | |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 686 | if (run_count == 1) |
| 687 | return; |
| 688 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 689 | ps = evsel->priv; |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 690 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 691 | } |
| 692 | |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 693 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 694 | { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 695 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 696 | case AGGR_CORE: |
| 697 | fprintf(output, "S%d-C%*d%s%*d%s", |
| 698 | cpu_map__id_to_socket(id), |
| 699 | csv_output ? 0 : -8, |
| 700 | cpu_map__id_to_cpu(id), |
| 701 | csv_sep, |
| 702 | csv_output ? 0 : 4, |
| 703 | nr, |
| 704 | csv_sep); |
| 705 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 706 | case AGGR_SOCKET: |
| 707 | fprintf(output, "S%*d%s%*d%s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 708 | csv_output ? 0 : -5, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 709 | id, |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 710 | csv_sep, |
| 711 | csv_output ? 0 : 4, |
| 712 | nr, |
| 713 | csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 714 | break; |
| 715 | case AGGR_NONE: |
| 716 | fprintf(output, "CPU%*d%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 717 | csv_output ? 0 : -4, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 718 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 719 | break; |
| 720 | case AGGR_GLOBAL: |
| 721 | default: |
| 722 | break; |
| 723 | } |
| 724 | } |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 725 | |
Andi Kleen | da88c7f | 2014-09-24 13:50:46 -0700 | [diff] [blame] | 726 | static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 727 | { |
| 728 | double msecs = avg / 1e6; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 729 | const char *fmt_v, *fmt_n; |
David Ahern | 4bbe5a6 | 2013-09-28 14:28:00 -0600 | [diff] [blame] | 730 | char name[25]; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 731 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 732 | fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; |
| 733 | fmt_n = csv_output ? "%s" : "%-25s"; |
| 734 | |
Andi Kleen | da88c7f | 2014-09-24 13:50:46 -0700 | [diff] [blame] | 735 | aggr_printout(evsel, id, nr); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 736 | |
David Ahern | 4bbe5a6 | 2013-09-28 14:28:00 -0600 | [diff] [blame] | 737 | scnprintf(name, sizeof(name), "%s%s", |
| 738 | perf_evsel__name(evsel), csv_output ? "" : " (msec)"); |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 739 | |
| 740 | fprintf(output, fmt_v, msecs, csv_sep); |
| 741 | |
| 742 | if (csv_output) |
| 743 | fprintf(output, "%s%s", evsel->unit, csv_sep); |
| 744 | else |
| 745 | fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); |
| 746 | |
| 747 | fprintf(output, fmt_n, name); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 748 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 749 | if (evsel->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 750 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 751 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 752 | if (csv_output || interval) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 753 | return; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 754 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 755 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 756 | fprintf(output, " # %8.3f CPUs utilized ", |
| 757 | avg / avg_stats(&walltime_nsecs_stats)); |
Namhyung Kim | 9dac6a2 | 2012-02-06 16:44:45 +0900 | [diff] [blame] | 758 | else |
| 759 | fprintf(output, " "); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 760 | } |
| 761 | |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 762 | static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
| 763 | { |
| 764 | double sc = evsel->scale; |
| 765 | const char *fmt; |
| 766 | int cpu = cpu_map__id_to_cpu(id); |
| 767 | |
| 768 | if (csv_output) { |
| 769 | fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; |
| 770 | } else { |
| 771 | if (big_num) |
| 772 | fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; |
| 773 | else |
| 774 | fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; |
| 775 | } |
| 776 | |
| 777 | aggr_printout(evsel, id, nr); |
| 778 | |
| 779 | if (aggr_mode == AGGR_GLOBAL) |
| 780 | cpu = 0; |
| 781 | |
| 782 | fprintf(output, fmt, avg, csv_sep); |
| 783 | |
| 784 | if (evsel->unit) |
| 785 | fprintf(output, "%-*s%s", |
| 786 | csv_output ? 0 : unit_width, |
| 787 | evsel->unit, csv_sep); |
| 788 | |
| 789 | fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); |
| 790 | |
| 791 | if (evsel->cgrp) |
| 792 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
| 793 | |
| 794 | if (csv_output || interval) |
| 795 | return; |
| 796 | |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame^] | 797 | perf_stat__print_shadow_stats(output, evsel, avg, cpu, aggr_mode); |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 798 | } |
| 799 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 800 | static void print_aggr(char *prefix) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 801 | { |
| 802 | struct perf_evsel *counter; |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 803 | int cpu, cpu2, s, s2, id, nr; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 804 | double uval; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 805 | u64 ena, run, val; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 806 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 807 | if (!(aggr_map || aggr_get_id)) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 808 | return; |
| 809 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 810 | for (s = 0; s < aggr_map->nr; s++) { |
| 811 | id = aggr_map->map[s]; |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 812 | evlist__for_each(evsel_list, counter) { |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 813 | val = ena = run = 0; |
| 814 | nr = 0; |
| 815 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 816 | cpu2 = perf_evsel__cpus(counter)->map[cpu]; |
| 817 | s2 = aggr_get_id(evsel_list->cpus, cpu2); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 818 | if (s2 != id) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 819 | continue; |
| 820 | val += counter->counts->cpu[cpu].val; |
| 821 | ena += counter->counts->cpu[cpu].ena; |
| 822 | run += counter->counts->cpu[cpu].run; |
| 823 | nr++; |
| 824 | } |
| 825 | if (prefix) |
| 826 | fprintf(output, "%s", prefix); |
| 827 | |
| 828 | if (run == 0 || ena == 0) { |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 829 | aggr_printout(counter, id, nr); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 830 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 831 | fprintf(output, "%*s%s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 832 | csv_output ? 0 : 18, |
| 833 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 834 | csv_sep); |
| 835 | |
| 836 | fprintf(output, "%-*s%s", |
| 837 | csv_output ? 0 : unit_width, |
| 838 | counter->unit, csv_sep); |
| 839 | |
| 840 | fprintf(output, "%*s", |
| 841 | csv_output ? 0 : -25, |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 842 | perf_evsel__name(counter)); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 843 | |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 844 | if (counter->cgrp) |
| 845 | fprintf(output, "%s%s", |
| 846 | csv_sep, counter->cgrp->name); |
| 847 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 848 | print_running(run, ena); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 849 | fputc('\n', output); |
| 850 | continue; |
| 851 | } |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 852 | uval = val * counter->scale; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 853 | |
| 854 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 855 | nsec_printout(id, nr, counter, uval); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 856 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 857 | abs_printout(id, nr, counter, uval); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 858 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 859 | if (!csv_output) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 860 | print_noise(counter, 1.0); |
| 861 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 862 | print_running(run, ena); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 863 | fputc('\n', output); |
| 864 | } |
| 865 | } |
| 866 | } |
| 867 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 868 | /* |
| 869 | * Print out the results of a single counter: |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 870 | * aggregated counts in system-wide mode |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 871 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 872 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 873 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 874 | struct perf_stat *ps = counter->priv; |
| 875 | double avg = avg_stats(&ps->res_stats[0]); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 876 | int scaled = counter->counts->scaled; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 877 | double uval; |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 878 | double avg_enabled, avg_running; |
| 879 | |
| 880 | avg_enabled = avg_stats(&ps->res_stats[1]); |
| 881 | avg_running = avg_stats(&ps->res_stats[2]); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 882 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 883 | if (prefix) |
| 884 | fprintf(output, "%s", prefix); |
| 885 | |
Suzuki K. Poulose | 3b4331d | 2015-02-13 18:40:58 +0000 | [diff] [blame] | 886 | if (scaled == -1 || !counter->supported) { |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 887 | fprintf(output, "%*s%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 888 | csv_output ? 0 : 18, |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 889 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 890 | csv_sep); |
| 891 | fprintf(output, "%-*s%s", |
| 892 | csv_output ? 0 : unit_width, |
| 893 | counter->unit, csv_sep); |
| 894 | fprintf(output, "%*s", |
| 895 | csv_output ? 0 : -25, |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 896 | perf_evsel__name(counter)); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 897 | |
| 898 | if (counter->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 899 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 900 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 901 | print_running(avg_running, avg_enabled); |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 902 | fputc('\n', output); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 903 | return; |
| 904 | } |
| 905 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 906 | uval = avg * counter->scale; |
| 907 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 908 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 909 | nsec_printout(-1, 0, counter, uval); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 910 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 911 | abs_printout(-1, 0, counter, uval); |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 912 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 913 | print_noise(counter, avg); |
| 914 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 915 | print_running(avg_running, avg_enabled); |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 916 | fprintf(output, "\n"); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 917 | } |
| 918 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 919 | /* |
| 920 | * Print out the results of a single counter: |
| 921 | * does not use aggregated count in system-wide |
| 922 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 923 | static void print_counter(struct perf_evsel *counter, char *prefix) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 924 | { |
| 925 | u64 ena, run, val; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 926 | double uval; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 927 | int cpu; |
| 928 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 929 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 930 | val = counter->counts->cpu[cpu].val; |
| 931 | ena = counter->counts->cpu[cpu].ena; |
| 932 | run = counter->counts->cpu[cpu].run; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 933 | |
| 934 | if (prefix) |
| 935 | fprintf(output, "%s", prefix); |
| 936 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 937 | if (run == 0 || ena == 0) { |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 938 | fprintf(output, "CPU%*d%s%*s%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 939 | csv_output ? 0 : -4, |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 940 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 941 | csv_output ? 0 : 18, |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 942 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 943 | csv_sep); |
| 944 | |
| 945 | fprintf(output, "%-*s%s", |
| 946 | csv_output ? 0 : unit_width, |
| 947 | counter->unit, csv_sep); |
| 948 | |
| 949 | fprintf(output, "%*s", |
| 950 | csv_output ? 0 : -25, |
| 951 | perf_evsel__name(counter)); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 952 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 953 | if (counter->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 954 | fprintf(output, "%s%s", |
| 955 | csv_sep, counter->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 956 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 957 | print_running(run, ena); |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 958 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 959 | continue; |
| 960 | } |
| 961 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 962 | uval = val * counter->scale; |
| 963 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 964 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 965 | nsec_printout(cpu, 0, counter, uval); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 966 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 967 | abs_printout(cpu, 0, counter, uval); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 968 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 969 | if (!csv_output) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 970 | print_noise(counter, 1.0); |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 971 | print_running(run, ena); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 972 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 973 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 974 | } |
| 975 | } |
| 976 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 977 | static void print_stat(int argc, const char **argv) |
| 978 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 979 | struct perf_evsel *counter; |
| 980 | int i; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 981 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 982 | fflush(stdout); |
| 983 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 984 | if (!csv_output) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 985 | fprintf(output, "\n"); |
| 986 | fprintf(output, " Performance counter stats for "); |
David Ahern | 62d3b61 | 2013-09-28 14:27:58 -0600 | [diff] [blame] | 987 | if (target.system_wide) |
| 988 | fprintf(output, "\'system wide"); |
| 989 | else if (target.cpu_list) |
| 990 | fprintf(output, "\'CPU(s) %s", target.cpu_list); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 991 | else if (!target__has_task(&target)) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 992 | fprintf(output, "\'%s", argv[0]); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 993 | for (i = 1; i < argc; i++) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 994 | fprintf(output, " %s", argv[i]); |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 995 | } else if (target.pid) |
| 996 | fprintf(output, "process id \'%s", target.pid); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 997 | else |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 998 | fprintf(output, "thread id \'%s", target.tid); |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 999 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1000 | fprintf(output, "\'"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1001 | if (run_count > 1) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1002 | fprintf(output, " (%d runs)", run_count); |
| 1003 | fprintf(output, ":\n\n"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1004 | } |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 1005 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1006 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1007 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1008 | case AGGR_SOCKET: |
| 1009 | print_aggr(NULL); |
| 1010 | break; |
| 1011 | case AGGR_GLOBAL: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1012 | evlist__for_each(evsel_list, counter) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1013 | print_counter_aggr(counter, NULL); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1014 | break; |
| 1015 | case AGGR_NONE: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1016 | evlist__for_each(evsel_list, counter) |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1017 | print_counter(counter, NULL); |
| 1018 | break; |
| 1019 | default: |
| 1020 | break; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1021 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1022 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1023 | if (!csv_output) { |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 1024 | if (!null_run) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1025 | fprintf(output, "\n"); |
| 1026 | fprintf(output, " %17.9f seconds time elapsed", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1027 | avg_stats(&walltime_nsecs_stats)/1e9); |
| 1028 | if (run_count > 1) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1029 | fprintf(output, " "); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 1030 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), |
| 1031 | avg_stats(&walltime_nsecs_stats)); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1032 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1033 | fprintf(output, "\n\n"); |
Ingo Molnar | 566747e | 2009-06-27 06:24:32 +0200 | [diff] [blame] | 1034 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1035 | } |
| 1036 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1037 | static volatile int signr = -1; |
| 1038 | |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1039 | static void skip_signal(int signo) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1040 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1041 | if ((child_pid == -1) || interval) |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 1042 | done = 1; |
| 1043 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1044 | signr = signo; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1045 | /* |
| 1046 | * render child_pid harmless |
| 1047 | * won't send SIGTERM to a random |
| 1048 | * process in case of race condition |
| 1049 | * and fast PID recycling |
| 1050 | */ |
| 1051 | child_pid = -1; |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1052 | } |
| 1053 | |
| 1054 | static void sig_atexit(void) |
| 1055 | { |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1056 | sigset_t set, oset; |
| 1057 | |
| 1058 | /* |
| 1059 | * avoid race condition with SIGCHLD handler |
| 1060 | * in skip_signal() which is modifying child_pid |
| 1061 | * goal is to avoid send SIGTERM to a random |
| 1062 | * process |
| 1063 | */ |
| 1064 | sigemptyset(&set); |
| 1065 | sigaddset(&set, SIGCHLD); |
| 1066 | sigprocmask(SIG_BLOCK, &set, &oset); |
| 1067 | |
Chris Wilson | 933da83 | 2009-10-04 01:35:01 +0100 | [diff] [blame] | 1068 | if (child_pid != -1) |
| 1069 | kill(child_pid, SIGTERM); |
| 1070 | |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1071 | sigprocmask(SIG_SETMASK, &oset, NULL); |
| 1072 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1073 | if (signr == -1) |
| 1074 | return; |
| 1075 | |
| 1076 | signal(signr, SIG_DFL); |
| 1077 | kill(getpid(), signr); |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1078 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1079 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1080 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
| 1081 | const char *s __maybe_unused, int unset) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1082 | { |
| 1083 | big_num_opt = unset ? 0 : 1; |
| 1084 | return 0; |
| 1085 | } |
| 1086 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1087 | static int perf_stat_init_aggr_mode(void) |
| 1088 | { |
| 1089 | switch (aggr_mode) { |
| 1090 | case AGGR_SOCKET: |
| 1091 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { |
| 1092 | perror("cannot build socket map"); |
| 1093 | return -1; |
| 1094 | } |
| 1095 | aggr_get_id = cpu_map__get_socket; |
| 1096 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1097 | case AGGR_CORE: |
| 1098 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { |
| 1099 | perror("cannot build core map"); |
| 1100 | return -1; |
| 1101 | } |
| 1102 | aggr_get_id = cpu_map__get_core; |
| 1103 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1104 | case AGGR_NONE: |
| 1105 | case AGGR_GLOBAL: |
| 1106 | default: |
| 1107 | break; |
| 1108 | } |
| 1109 | return 0; |
| 1110 | } |
| 1111 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1112 | /* |
| 1113 | * Add default attributes, if there were no attributes specified or |
| 1114 | * if -d/--detailed, -d -d or -d -d -d is used: |
| 1115 | */ |
| 1116 | static int add_default_attributes(void) |
| 1117 | { |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1118 | struct perf_event_attr default_attrs[] = { |
| 1119 | |
| 1120 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, |
| 1121 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, |
| 1122 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, |
| 1123 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, |
| 1124 | |
| 1125 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, |
| 1126 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, |
| 1127 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, |
| 1128 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, |
| 1129 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, |
| 1130 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, |
| 1131 | |
| 1132 | }; |
| 1133 | |
| 1134 | /* |
| 1135 | * Detailed stats (-d), covering the L1 and last level data caches: |
| 1136 | */ |
| 1137 | struct perf_event_attr detailed_attrs[] = { |
| 1138 | |
| 1139 | { .type = PERF_TYPE_HW_CACHE, |
| 1140 | .config = |
| 1141 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1142 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1143 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1144 | |
| 1145 | { .type = PERF_TYPE_HW_CACHE, |
| 1146 | .config = |
| 1147 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1148 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1149 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1150 | |
| 1151 | { .type = PERF_TYPE_HW_CACHE, |
| 1152 | .config = |
| 1153 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1154 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1155 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1156 | |
| 1157 | { .type = PERF_TYPE_HW_CACHE, |
| 1158 | .config = |
| 1159 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1160 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1161 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1162 | }; |
| 1163 | |
| 1164 | /* |
| 1165 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: |
| 1166 | */ |
| 1167 | struct perf_event_attr very_detailed_attrs[] = { |
| 1168 | |
| 1169 | { .type = PERF_TYPE_HW_CACHE, |
| 1170 | .config = |
| 1171 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1172 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1173 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1174 | |
| 1175 | { .type = PERF_TYPE_HW_CACHE, |
| 1176 | .config = |
| 1177 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1178 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1179 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1180 | |
| 1181 | { .type = PERF_TYPE_HW_CACHE, |
| 1182 | .config = |
| 1183 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1184 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1185 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1186 | |
| 1187 | { .type = PERF_TYPE_HW_CACHE, |
| 1188 | .config = |
| 1189 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1190 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1191 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1192 | |
| 1193 | { .type = PERF_TYPE_HW_CACHE, |
| 1194 | .config = |
| 1195 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1196 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1197 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1198 | |
| 1199 | { .type = PERF_TYPE_HW_CACHE, |
| 1200 | .config = |
| 1201 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1202 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1203 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1204 | |
| 1205 | }; |
| 1206 | |
| 1207 | /* |
| 1208 | * Very, very detailed stats (-d -d -d), adding prefetch events: |
| 1209 | */ |
| 1210 | struct perf_event_attr very_very_detailed_attrs[] = { |
| 1211 | |
| 1212 | { .type = PERF_TYPE_HW_CACHE, |
| 1213 | .config = |
| 1214 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1215 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | |
| 1216 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1217 | |
| 1218 | { .type = PERF_TYPE_HW_CACHE, |
| 1219 | .config = |
| 1220 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1221 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | |
| 1222 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1223 | }; |
| 1224 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1225 | /* Set attrs if no event is selected and !null_run: */ |
| 1226 | if (null_run) |
| 1227 | return 0; |
| 1228 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1229 | if (transaction_run) { |
| 1230 | int err; |
| 1231 | if (pmu_have_event("cpu", "cycles-ct") && |
| 1232 | pmu_have_event("cpu", "el-start")) |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 1233 | err = parse_events(evsel_list, transaction_attrs, NULL); |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1234 | else |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 1235 | err = parse_events(evsel_list, transaction_limited_attrs, NULL); |
| 1236 | if (err) { |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1237 | fprintf(stderr, "Cannot set up transaction events\n"); |
| 1238 | return -1; |
| 1239 | } |
| 1240 | return 0; |
| 1241 | } |
| 1242 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1243 | if (!evsel_list->nr_entries) { |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1244 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) |
Arnaldo Carvalho de Melo | 50d08e4 | 2011-11-04 09:10:59 -0200 | [diff] [blame] | 1245 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1246 | } |
| 1247 | |
| 1248 | /* Detailed events get appended to the event list: */ |
| 1249 | |
| 1250 | if (detailed_run < 1) |
| 1251 | return 0; |
| 1252 | |
| 1253 | /* Append detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1254 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
Arnaldo Carvalho de Melo | 50d08e4 | 2011-11-04 09:10:59 -0200 | [diff] [blame] | 1255 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1256 | |
| 1257 | if (detailed_run < 2) |
| 1258 | return 0; |
| 1259 | |
| 1260 | /* Append very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1261 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
Arnaldo Carvalho de Melo | 50d08e4 | 2011-11-04 09:10:59 -0200 | [diff] [blame] | 1262 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1263 | |
| 1264 | if (detailed_run < 3) |
| 1265 | return 0; |
| 1266 | |
| 1267 | /* Append very, very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1268 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1269 | } |
| 1270 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1271 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1272 | { |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 1273 | bool append_file = false; |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1274 | int output_fd = 0; |
| 1275 | const char *output_name = NULL; |
| 1276 | const struct option options[] = { |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1277 | OPT_BOOLEAN('T', "transaction", &transaction_run, |
| 1278 | "hardware transaction statistics"), |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1279 | OPT_CALLBACK('e', "event", &evsel_list, "event", |
| 1280 | "event selector. use 'perf list' to list available events", |
| 1281 | parse_events_option), |
| 1282 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", |
| 1283 | "event filter", parse_filter), |
| 1284 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, |
| 1285 | "child tasks do not inherit counters"), |
| 1286 | OPT_STRING('p', "pid", &target.pid, "pid", |
| 1287 | "stat events on existing process id"), |
| 1288 | OPT_STRING('t', "tid", &target.tid, "tid", |
| 1289 | "stat events on existing thread id"), |
| 1290 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, |
| 1291 | "system-wide collection from all CPUs"), |
| 1292 | OPT_BOOLEAN('g', "group", &group, |
| 1293 | "put the counters into a counter group"), |
| 1294 | OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), |
| 1295 | OPT_INCR('v', "verbose", &verbose, |
| 1296 | "be more verbose (show counter open errors, etc)"), |
| 1297 | OPT_INTEGER('r', "repeat", &run_count, |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1298 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1299 | OPT_BOOLEAN('n', "null", &null_run, |
| 1300 | "null run - dont start any counters"), |
| 1301 | OPT_INCR('d', "detailed", &detailed_run, |
| 1302 | "detailed run - start a lot of events"), |
| 1303 | OPT_BOOLEAN('S', "sync", &sync_run, |
| 1304 | "call sync() before starting a run"), |
Arnaldo Carvalho de Melo | 48000a1 | 2014-12-17 17:24:45 -0300 | [diff] [blame] | 1305 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1306 | "print large numbers with thousands\' separators", |
| 1307 | stat__set_big_num), |
| 1308 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", |
| 1309 | "list of cpus to monitor in system-wide"), |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1310 | OPT_SET_UINT('A', "no-aggr", &aggr_mode, |
| 1311 | "disable CPU count aggregation", AGGR_NONE), |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1312 | OPT_STRING('x', "field-separator", &csv_sep, "separator", |
| 1313 | "print counts with custom separator"), |
| 1314 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", |
| 1315 | "monitor event in cgroup name only", parse_cgroups), |
| 1316 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
| 1317 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), |
| 1318 | OPT_INTEGER(0, "log-fd", &output_fd, |
| 1319 | "log output to fd, instead of stderr"), |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 1320 | OPT_STRING(0, "pre", &pre_cmd, "command", |
| 1321 | "command to run prior to the measured command"), |
| 1322 | OPT_STRING(0, "post", &post_cmd, "command", |
| 1323 | "command to run after to the measured command"), |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1324 | OPT_UINTEGER('I', "interval-print", &interval, |
| 1325 | "print counts at regular interval in ms (>= 100)"), |
Stephane Eranian | d430495 | 2013-02-14 13:57:28 +0100 | [diff] [blame] | 1326 | OPT_SET_UINT(0, "per-socket", &aggr_mode, |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1327 | "aggregate counts per processor socket", AGGR_SOCKET), |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1328 | OPT_SET_UINT(0, "per-core", &aggr_mode, |
| 1329 | "aggregate counts per physical processor core", AGGR_CORE), |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 1330 | OPT_UINTEGER('D', "delay", &initial_delay, |
| 1331 | "ms to wait before starting measurement after program start"), |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1332 | OPT_END() |
| 1333 | }; |
| 1334 | const char * const stat_usage[] = { |
| 1335 | "perf stat [<options>] [<command>]", |
| 1336 | NULL |
| 1337 | }; |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1338 | int status = -EINVAL, run_idx; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1339 | const char *mode; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1340 | |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 1341 | setlocale(LC_ALL, ""); |
| 1342 | |
Namhyung Kim | 334fe7a | 2013-03-11 16:43:12 +0900 | [diff] [blame] | 1343 | evsel_list = perf_evlist__new(); |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1344 | if (evsel_list == NULL) |
| 1345 | return -ENOMEM; |
| 1346 | |
Anton Blanchard | a054123 | 2009-07-22 23:04:12 +1000 | [diff] [blame] | 1347 | argc = parse_options(argc, argv, options, stat_usage, |
| 1348 | PARSE_OPT_STOP_AT_NON_OPTION); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1349 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1350 | output = stderr; |
| 1351 | if (output_name && strcmp(output_name, "-")) |
| 1352 | output = NULL; |
| 1353 | |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1354 | if (output_name && output_fd) { |
| 1355 | fprintf(stderr, "cannot use both --output and --log-fd\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1356 | parse_options_usage(stat_usage, options, "o", 1); |
| 1357 | parse_options_usage(NULL, options, "log-fd", 0); |
| 1358 | goto out; |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1359 | } |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1360 | |
| 1361 | if (output_fd < 0) { |
| 1362 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1363 | parse_options_usage(stat_usage, options, "log-fd", 0); |
| 1364 | goto out; |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1365 | } |
| 1366 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1367 | if (!output) { |
| 1368 | struct timespec tm; |
| 1369 | mode = append_file ? "a" : "w"; |
| 1370 | |
| 1371 | output = fopen(output_name, mode); |
| 1372 | if (!output) { |
| 1373 | perror("failed to create output file"); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 1374 | return -1; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1375 | } |
| 1376 | clock_gettime(CLOCK_REALTIME, &tm); |
| 1377 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1378 | } else if (output_fd > 0) { |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1379 | mode = append_file ? "a" : "w"; |
| 1380 | output = fdopen(output_fd, mode); |
| 1381 | if (!output) { |
| 1382 | perror("Failed opening logfd"); |
| 1383 | return -errno; |
| 1384 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1385 | } |
| 1386 | |
Jim Cromie | d4ffd04 | 2011-09-07 17:14:03 -0600 | [diff] [blame] | 1387 | if (csv_sep) { |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1388 | csv_output = true; |
Jim Cromie | d4ffd04 | 2011-09-07 17:14:03 -0600 | [diff] [blame] | 1389 | if (!strcmp(csv_sep, "\\t")) |
| 1390 | csv_sep = "\t"; |
| 1391 | } else |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1392 | csv_sep = DEFAULT_SEPARATOR; |
| 1393 | |
| 1394 | /* |
| 1395 | * let the spreadsheet do the pretty-printing |
| 1396 | */ |
| 1397 | if (csv_output) { |
Jim Cromie | 61a9f32 | 2011-09-07 17:14:04 -0600 | [diff] [blame] | 1398 | /* User explicitly passed -B? */ |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1399 | if (big_num_opt == 1) { |
| 1400 | fprintf(stderr, "-B option not supported with -x\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1401 | parse_options_usage(stat_usage, options, "B", 1); |
| 1402 | parse_options_usage(NULL, options, "x", 1); |
| 1403 | goto out; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1404 | } else /* Nope, so disable big number formatting */ |
| 1405 | big_num = false; |
| 1406 | } else if (big_num_opt == 0) /* User passed --no-big-num */ |
| 1407 | big_num = false; |
| 1408 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1409 | if (!argc && target__none(&target)) |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1410 | usage_with_options(stat_usage, options); |
David Ahern | ac3063b | 2013-09-30 07:37:37 -0600 | [diff] [blame] | 1411 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1412 | if (run_count < 0) { |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1413 | pr_err("Run count must be a positive number\n"); |
| 1414 | parse_options_usage(stat_usage, options, "r", 1); |
| 1415 | goto out; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1416 | } else if (run_count == 0) { |
| 1417 | forever = true; |
| 1418 | run_count = 1; |
| 1419 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1420 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1421 | /* no_aggr, cgroup are for system-wide only */ |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1422 | if ((aggr_mode != AGGR_GLOBAL || nr_cgroups) && |
| 1423 | !target__has_cpu(&target)) { |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1424 | fprintf(stderr, "both cgroup and no-aggregation " |
| 1425 | "modes only available in system-wide mode\n"); |
| 1426 | |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1427 | parse_options_usage(stat_usage, options, "G", 1); |
| 1428 | parse_options_usage(NULL, options, "A", 1); |
| 1429 | parse_options_usage(NULL, options, "a", 1); |
| 1430 | goto out; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1431 | } |
| 1432 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1433 | if (add_default_attributes()) |
| 1434 | goto out; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1435 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1436 | target__validate(&target); |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 1437 | |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1438 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1439 | if (target__has_task(&target)) { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1440 | pr_err("Problems finding threads of monitor\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1441 | parse_options_usage(stat_usage, options, "p", 1); |
| 1442 | parse_options_usage(NULL, options, "t", 1); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1443 | } else if (target__has_cpu(&target)) { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1444 | perror("failed to parse CPUs map"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1445 | parse_options_usage(stat_usage, options, "C", 1); |
| 1446 | parse_options_usage(NULL, options, "a", 1); |
| 1447 | } |
| 1448 | goto out; |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 1449 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1450 | if (interval && interval < 100) { |
| 1451 | pr_err("print interval must be >= 100ms\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1452 | parse_options_usage(stat_usage, options, "I", 1); |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 1453 | goto out; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1454 | } |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1455 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1456 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 1457 | goto out; |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1458 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1459 | if (perf_stat_init_aggr_mode()) |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 1460 | goto out; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1461 | |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 1462 | /* |
| 1463 | * We dont want to block the signals - that would cause |
| 1464 | * child tasks to inherit that and Ctrl-C would not work. |
| 1465 | * What we want is for Ctrl-C to work in the exec()-ed |
| 1466 | * task, but being ignored by perf stat itself: |
| 1467 | */ |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1468 | atexit(sig_atexit); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1469 | if (!forever) |
| 1470 | signal(SIGINT, skip_signal); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1471 | signal(SIGCHLD, skip_signal); |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 1472 | signal(SIGALRM, skip_signal); |
| 1473 | signal(SIGABRT, skip_signal); |
| 1474 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1475 | status = 0; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1476 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1477 | if (run_count != 1 && verbose) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1478 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
| 1479 | run_idx + 1); |
Ingo Molnar | f9cef0a | 2011-04-28 18:17:11 +0200 | [diff] [blame] | 1480 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1481 | status = run_perf_stat(argc, argv); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1482 | if (forever && status != -1) { |
| 1483 | print_stat(argc, argv); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1484 | perf_stat__reset_stats(evsel_list); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1485 | } |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1486 | } |
| 1487 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1488 | if (!forever && status != -1 && !interval) |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 1489 | print_stat(argc, argv); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1490 | |
| 1491 | perf_evlist__free_stats(evsel_list); |
Arnaldo Carvalho de Melo | 0015e2e | 2011-02-01 16:18:10 -0200 | [diff] [blame] | 1492 | out: |
| 1493 | perf_evlist__delete(evsel_list); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1494 | return status; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1495 | } |