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 | |
Jiri Olsa | 254ecbc | 2015-06-26 11:29:13 +0200 | [diff] [blame] | 144 | static void perf_stat__reset_stats(void) |
| 145 | { |
| 146 | perf_evlist__reset_stats(evsel_list); |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame] | 147 | perf_stat__reset_shadow_stats(); |
Jiri Olsa | 1eda3b2 | 2015-06-03 16:25:55 +0200 | [diff] [blame] | 148 | } |
| 149 | |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 150 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 151 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 152 | struct perf_event_attr *attr = &evsel->attr; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 153 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 154 | if (scale) |
Ingo Molnar | a21ca2c | 2009-06-06 09:58:57 +0200 | [diff] [blame] | 155 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
| 156 | PERF_FORMAT_TOTAL_TIME_RUNNING; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 157 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 158 | attr->inherit = !no_inherit; |
Arnaldo Carvalho de Melo | 5d2cd90 | 2011-04-14 11:20:14 -0300 | [diff] [blame] | 159 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 160 | if (target__has_cpu(&target)) |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 161 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); |
Stephane Eranian | 5622c07 | 2012-04-27 14:45:38 +0200 | [diff] [blame] | 162 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 163 | 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] | 164 | attr->disabled = 1; |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 165 | if (!initial_delay) |
| 166 | attr->enable_on_exec = 1; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 167 | } |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 168 | |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 169 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 170 | } |
| 171 | |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 172 | /* |
| 173 | * Does the counter have nsecs as a unit? |
| 174 | */ |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 175 | static inline int nsec_counter(struct perf_evsel *evsel) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 176 | { |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 177 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
| 178 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 179 | return 1; |
| 180 | |
| 181 | return 0; |
| 182 | } |
| 183 | |
Jiri Olsa | 779d0b9 | 2014-11-21 10:31:14 +0100 | [diff] [blame] | 184 | static void zero_per_pkg(struct perf_evsel *counter) |
| 185 | { |
| 186 | if (counter->per_pkg_mask) |
| 187 | memset(counter->per_pkg_mask, 0, MAX_NR_CPUS); |
| 188 | } |
| 189 | |
| 190 | static int check_per_pkg(struct perf_evsel *counter, int cpu, bool *skip) |
| 191 | { |
| 192 | unsigned long *mask = counter->per_pkg_mask; |
| 193 | struct cpu_map *cpus = perf_evsel__cpus(counter); |
| 194 | int s; |
| 195 | |
| 196 | *skip = false; |
| 197 | |
| 198 | if (!counter->per_pkg) |
| 199 | return 0; |
| 200 | |
| 201 | if (cpu_map__empty(cpus)) |
| 202 | return 0; |
| 203 | |
| 204 | if (!mask) { |
| 205 | mask = zalloc(MAX_NR_CPUS); |
| 206 | if (!mask) |
| 207 | return -ENOMEM; |
| 208 | |
| 209 | counter->per_pkg_mask = mask; |
| 210 | } |
| 211 | |
| 212 | s = cpu_map__get_socket(cpus, cpu); |
| 213 | if (s < 0) |
| 214 | return -1; |
| 215 | |
| 216 | *skip = test_and_set_bit(s, mask) == 1; |
| 217 | return 0; |
| 218 | } |
| 219 | |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 220 | static int |
| 221 | process_counter_values(struct perf_evsel *evsel, int cpu, int thread, |
| 222 | struct perf_counts_values *count) |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 223 | { |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 224 | struct perf_counts_values *aggr = &evsel->counts->aggr; |
Jiri Olsa | 779d0b9 | 2014-11-21 10:31:14 +0100 | [diff] [blame] | 225 | static struct perf_counts_values zero; |
| 226 | bool skip = false; |
| 227 | |
| 228 | if (check_per_pkg(evsel, cpu, &skip)) { |
| 229 | pr_err("failed to read per-pkg counter\n"); |
| 230 | return -1; |
| 231 | } |
| 232 | |
| 233 | if (skip) |
| 234 | count = &zero; |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 235 | |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 236 | switch (aggr_mode) { |
| 237 | case AGGR_CORE: |
| 238 | case AGGR_SOCKET: |
| 239 | case AGGR_NONE: |
Jiri Olsa | 6c0345b | 2014-11-21 10:31:15 +0100 | [diff] [blame] | 240 | if (!evsel->snapshot) |
Jiri Olsa | a6fa003 | 2015-06-26 11:29:11 +0200 | [diff] [blame] | 241 | perf_evsel__compute_deltas(evsel, cpu, thread, count); |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 242 | perf_counts_values__scale(count, scale, NULL); |
Andi Kleen | 56f0fd4 | 2015-03-11 08:28:01 -0700 | [diff] [blame] | 243 | if (aggr_mode == AGGR_NONE) |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame] | 244 | perf_stat__update_shadow_stats(evsel, count->values, cpu); |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 245 | break; |
| 246 | case AGGR_GLOBAL: |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 247 | aggr->val += count->val; |
| 248 | if (scale) { |
| 249 | aggr->ena += count->ena; |
| 250 | aggr->run += count->run; |
| 251 | } |
Jiri Olsa | 060c4f9 | 2014-11-21 10:31:08 +0100 | [diff] [blame] | 252 | default: |
| 253 | break; |
| 254 | } |
| 255 | |
| 256 | return 0; |
| 257 | } |
| 258 | |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 259 | static int process_counter_maps(struct perf_evsel *counter) |
| 260 | { |
| 261 | int nthreads = thread_map__nr(counter->threads); |
| 262 | int ncpus = perf_evsel__nr_cpus(counter); |
| 263 | int cpu, thread; |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 264 | |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 265 | if (counter->system_wide) |
| 266 | nthreads = 1; |
| 267 | |
| 268 | for (thread = 0; thread < nthreads; thread++) { |
| 269 | for (cpu = 0; cpu < ncpus; cpu++) { |
| 270 | if (process_counter_values(counter, cpu, thread, |
| 271 | perf_counts(counter->counts, cpu, thread))) |
| 272 | return -1; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | return 0; |
| 277 | } |
| 278 | |
| 279 | static int process_counter(struct perf_evsel *counter) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 280 | { |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 281 | struct perf_counts_values *aggr = &counter->counts->aggr; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 282 | struct perf_stat *ps = counter->priv; |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 283 | u64 *count = counter->counts->aggr.values; |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 284 | int i, ret; |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 285 | |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 286 | aggr->val = aggr->ena = aggr->run = 0; |
Jiri Olsa | 5835e22 | 2015-06-26 11:29:25 +0200 | [diff] [blame^] | 287 | init_stats(ps->res_stats); |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 288 | |
Jiri Olsa | 32ce0a4 | 2015-06-26 11:29:21 +0200 | [diff] [blame] | 289 | if (counter->per_pkg) |
| 290 | zero_per_pkg(counter); |
| 291 | |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 292 | ret = process_counter_maps(counter); |
| 293 | if (ret) |
| 294 | return ret; |
| 295 | |
| 296 | if (aggr_mode != AGGR_GLOBAL) |
| 297 | return 0; |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 298 | |
Jiri Olsa | 6c0345b | 2014-11-21 10:31:15 +0100 | [diff] [blame] | 299 | if (!counter->snapshot) |
Jiri Olsa | a6fa003 | 2015-06-26 11:29:11 +0200 | [diff] [blame] | 300 | perf_evsel__compute_deltas(counter, -1, -1, aggr); |
Jiri Olsa | 1971f59 | 2014-11-21 10:31:10 +0100 | [diff] [blame] | 301 | perf_counts_values__scale(aggr, scale, &counter->counts->scaled); |
| 302 | |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 303 | for (i = 0; i < 3; i++) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 304 | update_stats(&ps->res_stats[i], count[i]); |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 305 | |
| 306 | if (verbose) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 307 | fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 308 | perf_evsel__name(counter), count[0], count[1], count[2]); |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 309 | } |
| 310 | |
Ingo Molnar | be1ac0d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 311 | /* |
| 312 | * Save the full runtime - to allow normalization during printout: |
| 313 | */ |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame] | 314 | perf_stat__update_shadow_stats(counter, count, 0); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 315 | |
| 316 | return 0; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 317 | } |
| 318 | |
| 319 | /* |
| 320 | * Read out the results of a single counter: |
| 321 | * do not aggregate counts across CPUs in system-wide mode |
| 322 | */ |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 323 | static int read_counter(struct perf_evsel *counter) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 324 | { |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 325 | int nthreads = thread_map__nr(evsel_list->threads); |
| 326 | int ncpus = perf_evsel__nr_cpus(counter); |
| 327 | int cpu, thread; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 328 | |
Suzuki K. Poulose | 3b4331d | 2015-02-13 18:40:58 +0000 | [diff] [blame] | 329 | if (!counter->supported) |
| 330 | return -ENOENT; |
| 331 | |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 332 | if (counter->system_wide) |
| 333 | nthreads = 1; |
| 334 | |
| 335 | for (thread = 0; thread < nthreads; thread++) { |
| 336 | for (cpu = 0; cpu < ncpus; cpu++) { |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 337 | struct perf_counts_values *count; |
| 338 | |
| 339 | count = perf_counts(counter->counts, cpu, thread); |
| 340 | if (perf_evsel__read(counter, cpu, thread, count)) |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 341 | return -1; |
| 342 | } |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 343 | } |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 344 | |
| 345 | return 0; |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 346 | } |
| 347 | |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 348 | static void read_counters(bool close) |
| 349 | { |
| 350 | struct perf_evsel *counter; |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 351 | |
| 352 | evlist__for_each(evsel_list, counter) { |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 353 | if (read_counter(counter)) |
| 354 | pr_warning("failed to read counter %s\n", counter->name); |
| 355 | |
| 356 | if (process_counter(counter)) |
| 357 | pr_warning("failed to process counter %s\n", counter->name); |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 358 | |
| 359 | if (close) { |
| 360 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
| 361 | thread_map__nr(evsel_list->threads)); |
| 362 | } |
| 363 | } |
| 364 | } |
| 365 | |
Jiri Olsa | ba411a9 | 2015-06-26 11:29:24 +0200 | [diff] [blame] | 366 | static void process_interval(void) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 367 | { |
| 368 | static int num_print_interval; |
| 369 | struct perf_evsel *counter; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 370 | struct timespec ts, rs; |
| 371 | char prefix[64]; |
| 372 | |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 373 | read_counters(false); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 374 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 375 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 376 | diff_timespec(&rs, &ts, &ref_time); |
| 377 | sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep); |
| 378 | |
| 379 | if (num_print_interval == 0 && !csv_output) { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 380 | switch (aggr_mode) { |
| 381 | case AGGR_SOCKET: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 382 | fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 383 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 384 | case AGGR_CORE: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 385 | fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 386 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 387 | case AGGR_NONE: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 388 | fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 389 | break; |
| 390 | case AGGR_GLOBAL: |
| 391 | default: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 392 | fprintf(output, "# time counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 393 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | if (++num_print_interval == 25) |
| 397 | num_print_interval = 0; |
| 398 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 399 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 400 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 401 | case AGGR_SOCKET: |
| 402 | print_aggr(prefix); |
| 403 | break; |
| 404 | case AGGR_NONE: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 405 | evlist__for_each(evsel_list, counter) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 406 | print_counter(counter, prefix); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 407 | break; |
| 408 | case AGGR_GLOBAL: |
| 409 | default: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 410 | evlist__for_each(evsel_list, counter) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 411 | print_counter_aggr(counter, prefix); |
| 412 | } |
Andi Kleen | 2bbf03f | 2013-08-02 17:41:12 -0700 | [diff] [blame] | 413 | |
| 414 | fflush(output); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 415 | } |
| 416 | |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 417 | static void handle_initial_delay(void) |
| 418 | { |
| 419 | struct perf_evsel *counter; |
| 420 | |
| 421 | if (initial_delay) { |
| 422 | const int ncpus = cpu_map__nr(evsel_list->cpus), |
| 423 | nthreads = thread_map__nr(evsel_list->threads); |
| 424 | |
| 425 | usleep(initial_delay * 1000); |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 426 | evlist__for_each(evsel_list, counter) |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 427 | perf_evsel__enable(counter, ncpus, nthreads); |
| 428 | } |
| 429 | } |
| 430 | |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 431 | static volatile int workload_exec_errno; |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 432 | |
| 433 | /* |
| 434 | * perf_evlist__prepare_workload will send a SIGUSR1 |
| 435 | * if the fork fails, since we asked by setting its |
| 436 | * want_signal to true. |
| 437 | */ |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 438 | static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, |
| 439 | void *ucontext __maybe_unused) |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 440 | { |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 441 | workload_exec_errno = info->si_value.sival_int; |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 442 | } |
| 443 | |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 444 | static int __run_perf_stat(int argc, const char **argv) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 445 | { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 446 | char msg[512]; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 447 | unsigned long long t0, t1; |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 448 | struct perf_evsel *counter; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 449 | struct timespec ts; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 450 | size_t l; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 451 | int status = 0; |
Zhang, Yanmin | 6be2850 | 2010-03-18 11:36:03 -0300 | [diff] [blame] | 452 | const bool forks = (argc > 0); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 453 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 454 | if (interval) { |
| 455 | ts.tv_sec = interval / 1000; |
| 456 | ts.tv_nsec = (interval % 1000) * 1000000; |
| 457 | } else { |
| 458 | ts.tv_sec = 1; |
| 459 | ts.tv_nsec = 0; |
| 460 | } |
| 461 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 462 | if (forks) { |
Arnaldo Carvalho de Melo | 735f7e0 | 2014-01-03 14:56:49 -0300 | [diff] [blame] | 463 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, false, |
| 464 | workload_exec_failed_signal) < 0) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 465 | perror("failed to prepare workload"); |
| 466 | return -1; |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 467 | } |
Namhyung Kim | d20a47e | 2013-09-30 18:01:11 +0900 | [diff] [blame] | 468 | child_pid = evsel_list->workload.pid; |
Paul Mackerras | 051ae7f | 2009-06-29 21:13:21 +1000 | [diff] [blame] | 469 | } |
| 470 | |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 471 | if (group) |
Arnaldo Carvalho de Melo | 63dab22 | 2012-08-14 16:35:48 -0300 | [diff] [blame] | 472 | perf_evlist__set_leader(evsel_list); |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 473 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 474 | evlist__for_each(evsel_list, counter) { |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 475 | if (create_perf_stat_counter(counter) < 0) { |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 476 | /* |
| 477 | * PPC returns ENXIO for HW counters until 2.6.37 |
| 478 | * (behavior changed with commit b0a873e). |
| 479 | */ |
Anton Blanchard | 38f6ae1 | 2011-12-02 09:38:33 +1100 | [diff] [blame] | 480 | if (errno == EINVAL || errno == ENOSYS || |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 481 | errno == ENOENT || errno == EOPNOTSUPP || |
| 482 | errno == ENXIO) { |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 483 | if (verbose) |
| 484 | 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] | 485 | perf_evsel__name(counter)); |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 486 | counter->supported = false; |
Kan Liang | cb5ef60 | 2015-06-11 02:32:40 -0400 | [diff] [blame] | 487 | |
| 488 | if ((counter->leader != counter) || |
| 489 | !(counter->leader->nr_members > 1)) |
| 490 | continue; |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 491 | } |
Ingo Molnar | ede7029 | 2011-04-28 08:48:42 +0200 | [diff] [blame] | 492 | |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 493 | perf_evsel__open_strerror(counter, &target, |
| 494 | errno, msg, sizeof(msg)); |
| 495 | ui__error("%s\n", msg); |
| 496 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 497 | if (child_pid != -1) |
| 498 | kill(child_pid, SIGTERM); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 499 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 500 | return -1; |
| 501 | } |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 502 | counter->supported = true; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 503 | |
| 504 | l = strlen(counter->unit); |
| 505 | if (l > unit_width) |
| 506 | unit_width = l; |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 507 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 508 | |
Arnaldo Carvalho de Melo | 23d4aad | 2015-03-24 19:23:47 -0300 | [diff] [blame] | 509 | if (perf_evlist__apply_filters(evsel_list, &counter)) { |
| 510 | error("failed to set filter \"%s\" on event %s with %d (%s)\n", |
| 511 | counter->filter, perf_evsel__name(counter), errno, |
Masami Hiramatsu | 759e612 | 2014-08-14 02:22:55 +0000 | [diff] [blame] | 512 | strerror_r(errno, msg, sizeof(msg))); |
Frederic Weisbecker | cfd748a | 2011-03-14 16:40:30 +0100 | [diff] [blame] | 513 | return -1; |
| 514 | } |
| 515 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 516 | /* |
| 517 | * Enable counters and exec the command: |
| 518 | */ |
| 519 | t0 = rdclock(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 520 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 521 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 522 | if (forks) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 523 | perf_evlist__start_workload(evsel_list); |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 524 | handle_initial_delay(); |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 525 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 526 | if (interval) { |
| 527 | while (!waitpid(child_pid, &status, WNOHANG)) { |
| 528 | nanosleep(&ts, NULL); |
Jiri Olsa | ba411a9 | 2015-06-26 11:29:24 +0200 | [diff] [blame] | 529 | process_interval(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 530 | } |
| 531 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 532 | wait(&status); |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 533 | |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 534 | if (workload_exec_errno) { |
| 535 | const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); |
| 536 | pr_err("Workload failed: %s\n", emsg); |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 537 | return -1; |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 538 | } |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 539 | |
Andi Kleen | 33e49ea | 2011-09-15 14:31:40 -0700 | [diff] [blame] | 540 | if (WIFSIGNALED(status)) |
| 541 | psignal(WTERMSIG(status), argv[0]); |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 542 | } else { |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 543 | handle_initial_delay(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 544 | while (!done) { |
| 545 | nanosleep(&ts, NULL); |
| 546 | if (interval) |
Jiri Olsa | ba411a9 | 2015-06-26 11:29:24 +0200 | [diff] [blame] | 547 | process_interval(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 548 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 549 | } |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 550 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 551 | t1 = rdclock(); |
| 552 | |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 553 | update_stats(&walltime_nsecs_stats, t1 - t0); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 554 | |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 555 | read_counters(true); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 556 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 557 | return WEXITSTATUS(status); |
| 558 | } |
| 559 | |
Arnaldo Carvalho de Melo | 41cde47 | 2014-01-03 17:34:42 -0300 | [diff] [blame] | 560 | static int run_perf_stat(int argc, const char **argv) |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 561 | { |
| 562 | int ret; |
| 563 | |
| 564 | if (pre_cmd) { |
| 565 | ret = system(pre_cmd); |
| 566 | if (ret) |
| 567 | return ret; |
| 568 | } |
| 569 | |
| 570 | if (sync_run) |
| 571 | sync(); |
| 572 | |
| 573 | ret = __run_perf_stat(argc, argv); |
| 574 | if (ret) |
| 575 | return ret; |
| 576 | |
| 577 | if (post_cmd) { |
| 578 | ret = system(post_cmd); |
| 579 | if (ret) |
| 580 | return ret; |
| 581 | } |
| 582 | |
| 583 | return ret; |
| 584 | } |
| 585 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 586 | static void print_running(u64 run, u64 ena) |
| 587 | { |
| 588 | if (csv_output) { |
| 589 | fprintf(output, "%s%" PRIu64 "%s%.2f", |
| 590 | csv_sep, |
| 591 | run, |
| 592 | csv_sep, |
| 593 | ena ? 100.0 * run / ena : 100.0); |
| 594 | } else if (run != ena) { |
| 595 | fprintf(output, " (%.2f%%)", 100.0 * run / ena); |
| 596 | } |
| 597 | } |
| 598 | |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 599 | static void print_noise_pct(double total, double avg) |
| 600 | { |
Xiao Guangrong | 0007ece | 2012-09-17 16:31:14 +0800 | [diff] [blame] | 601 | double pct = rel_stddev_stats(total, avg); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 602 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 603 | if (csv_output) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 604 | fprintf(output, "%s%.2f%%", csv_sep, pct); |
Jim Cromie | a1bca6c | 2011-09-07 17:14:02 -0600 | [diff] [blame] | 605 | else if (pct) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 606 | fprintf(output, " ( +-%6.2f%% )", pct); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 607 | } |
| 608 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 609 | static void print_noise(struct perf_evsel *evsel, double avg) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 610 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 611 | struct perf_stat *ps; |
| 612 | |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 613 | if (run_count == 1) |
| 614 | return; |
| 615 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 616 | ps = evsel->priv; |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 617 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 618 | } |
| 619 | |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 620 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 621 | { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 622 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 623 | case AGGR_CORE: |
| 624 | fprintf(output, "S%d-C%*d%s%*d%s", |
| 625 | cpu_map__id_to_socket(id), |
| 626 | csv_output ? 0 : -8, |
| 627 | cpu_map__id_to_cpu(id), |
| 628 | csv_sep, |
| 629 | csv_output ? 0 : 4, |
| 630 | nr, |
| 631 | csv_sep); |
| 632 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 633 | case AGGR_SOCKET: |
| 634 | fprintf(output, "S%*d%s%*d%s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 635 | csv_output ? 0 : -5, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 636 | id, |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 637 | csv_sep, |
| 638 | csv_output ? 0 : 4, |
| 639 | nr, |
| 640 | csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 641 | break; |
| 642 | case AGGR_NONE: |
| 643 | fprintf(output, "CPU%*d%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 644 | csv_output ? 0 : -4, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 645 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 646 | break; |
| 647 | case AGGR_GLOBAL: |
| 648 | default: |
| 649 | break; |
| 650 | } |
| 651 | } |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 652 | |
Andi Kleen | da88c7f | 2014-09-24 13:50:46 -0700 | [diff] [blame] | 653 | 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] | 654 | { |
| 655 | double msecs = avg / 1e6; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 656 | const char *fmt_v, *fmt_n; |
David Ahern | 4bbe5a6 | 2013-09-28 14:28:00 -0600 | [diff] [blame] | 657 | char name[25]; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 658 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 659 | fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; |
| 660 | fmt_n = csv_output ? "%s" : "%-25s"; |
| 661 | |
Andi Kleen | da88c7f | 2014-09-24 13:50:46 -0700 | [diff] [blame] | 662 | aggr_printout(evsel, id, nr); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 663 | |
David Ahern | 4bbe5a6 | 2013-09-28 14:28:00 -0600 | [diff] [blame] | 664 | scnprintf(name, sizeof(name), "%s%s", |
| 665 | perf_evsel__name(evsel), csv_output ? "" : " (msec)"); |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 666 | |
| 667 | fprintf(output, fmt_v, msecs, csv_sep); |
| 668 | |
| 669 | if (csv_output) |
| 670 | fprintf(output, "%s%s", evsel->unit, csv_sep); |
| 671 | else |
| 672 | fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); |
| 673 | |
| 674 | fprintf(output, fmt_n, name); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 675 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 676 | if (evsel->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 677 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 678 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 679 | if (csv_output || interval) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 680 | return; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 681 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 682 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 683 | fprintf(output, " # %8.3f CPUs utilized ", |
| 684 | avg / avg_stats(&walltime_nsecs_stats)); |
Namhyung Kim | 9dac6a2 | 2012-02-06 16:44:45 +0900 | [diff] [blame] | 685 | else |
| 686 | fprintf(output, " "); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 687 | } |
| 688 | |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 689 | static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
| 690 | { |
| 691 | double sc = evsel->scale; |
| 692 | const char *fmt; |
| 693 | int cpu = cpu_map__id_to_cpu(id); |
| 694 | |
| 695 | if (csv_output) { |
| 696 | fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; |
| 697 | } else { |
| 698 | if (big_num) |
| 699 | fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; |
| 700 | else |
| 701 | fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; |
| 702 | } |
| 703 | |
| 704 | aggr_printout(evsel, id, nr); |
| 705 | |
| 706 | if (aggr_mode == AGGR_GLOBAL) |
| 707 | cpu = 0; |
| 708 | |
| 709 | fprintf(output, fmt, avg, csv_sep); |
| 710 | |
| 711 | if (evsel->unit) |
| 712 | fprintf(output, "%-*s%s", |
| 713 | csv_output ? 0 : unit_width, |
| 714 | evsel->unit, csv_sep); |
| 715 | |
| 716 | fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); |
| 717 | |
| 718 | if (evsel->cgrp) |
| 719 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
| 720 | |
| 721 | if (csv_output || interval) |
| 722 | return; |
| 723 | |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame] | 724 | perf_stat__print_shadow_stats(output, evsel, avg, cpu, aggr_mode); |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 725 | } |
| 726 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 727 | static void print_aggr(char *prefix) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 728 | { |
| 729 | struct perf_evsel *counter; |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 730 | int cpu, cpu2, s, s2, id, nr; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 731 | double uval; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 732 | u64 ena, run, val; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 733 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 734 | if (!(aggr_map || aggr_get_id)) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 735 | return; |
| 736 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 737 | for (s = 0; s < aggr_map->nr; s++) { |
| 738 | id = aggr_map->map[s]; |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 739 | evlist__for_each(evsel_list, counter) { |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 740 | val = ena = run = 0; |
| 741 | nr = 0; |
| 742 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 743 | cpu2 = perf_evsel__cpus(counter)->map[cpu]; |
| 744 | s2 = aggr_get_id(evsel_list->cpus, cpu2); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 745 | if (s2 != id) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 746 | continue; |
Jiri Olsa | a6fa003 | 2015-06-26 11:29:11 +0200 | [diff] [blame] | 747 | val += perf_counts(counter->counts, cpu, 0)->val; |
| 748 | ena += perf_counts(counter->counts, cpu, 0)->ena; |
| 749 | run += perf_counts(counter->counts, cpu, 0)->run; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 750 | nr++; |
| 751 | } |
| 752 | if (prefix) |
| 753 | fprintf(output, "%s", prefix); |
| 754 | |
| 755 | if (run == 0 || ena == 0) { |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 756 | aggr_printout(counter, id, nr); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 757 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 758 | fprintf(output, "%*s%s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 759 | csv_output ? 0 : 18, |
| 760 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 761 | csv_sep); |
| 762 | |
| 763 | fprintf(output, "%-*s%s", |
| 764 | csv_output ? 0 : unit_width, |
| 765 | counter->unit, csv_sep); |
| 766 | |
| 767 | fprintf(output, "%*s", |
| 768 | csv_output ? 0 : -25, |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 769 | perf_evsel__name(counter)); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 770 | |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 771 | if (counter->cgrp) |
| 772 | fprintf(output, "%s%s", |
| 773 | csv_sep, counter->cgrp->name); |
| 774 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 775 | print_running(run, ena); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 776 | fputc('\n', output); |
| 777 | continue; |
| 778 | } |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 779 | uval = val * counter->scale; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 780 | |
| 781 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 782 | nsec_printout(id, nr, counter, uval); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 783 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 784 | abs_printout(id, nr, counter, uval); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 785 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 786 | if (!csv_output) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 787 | print_noise(counter, 1.0); |
| 788 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 789 | print_running(run, ena); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 790 | fputc('\n', output); |
| 791 | } |
| 792 | } |
| 793 | } |
| 794 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 795 | /* |
| 796 | * Print out the results of a single counter: |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 797 | * aggregated counts in system-wide mode |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 798 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 799 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 800 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 801 | struct perf_stat *ps = counter->priv; |
| 802 | double avg = avg_stats(&ps->res_stats[0]); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 803 | int scaled = counter->counts->scaled; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 804 | double uval; |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 805 | double avg_enabled, avg_running; |
| 806 | |
| 807 | avg_enabled = avg_stats(&ps->res_stats[1]); |
| 808 | avg_running = avg_stats(&ps->res_stats[2]); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 809 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 810 | if (prefix) |
| 811 | fprintf(output, "%s", prefix); |
| 812 | |
Suzuki K. Poulose | 3b4331d | 2015-02-13 18:40:58 +0000 | [diff] [blame] | 813 | if (scaled == -1 || !counter->supported) { |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 814 | fprintf(output, "%*s%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 815 | csv_output ? 0 : 18, |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 816 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 817 | csv_sep); |
| 818 | fprintf(output, "%-*s%s", |
| 819 | csv_output ? 0 : unit_width, |
| 820 | counter->unit, csv_sep); |
| 821 | fprintf(output, "%*s", |
| 822 | csv_output ? 0 : -25, |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 823 | perf_evsel__name(counter)); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 824 | |
| 825 | if (counter->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 826 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 827 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 828 | print_running(avg_running, avg_enabled); |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 829 | fputc('\n', output); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 830 | return; |
| 831 | } |
| 832 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 833 | uval = avg * counter->scale; |
| 834 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 835 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 836 | nsec_printout(-1, 0, counter, uval); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 837 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 838 | abs_printout(-1, 0, counter, uval); |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 839 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 840 | print_noise(counter, avg); |
| 841 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 842 | print_running(avg_running, avg_enabled); |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 843 | fprintf(output, "\n"); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 844 | } |
| 845 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 846 | /* |
| 847 | * Print out the results of a single counter: |
| 848 | * does not use aggregated count in system-wide |
| 849 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 850 | static void print_counter(struct perf_evsel *counter, char *prefix) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 851 | { |
| 852 | u64 ena, run, val; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 853 | double uval; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 854 | int cpu; |
| 855 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 856 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Jiri Olsa | a6fa003 | 2015-06-26 11:29:11 +0200 | [diff] [blame] | 857 | val = perf_counts(counter->counts, cpu, 0)->val; |
| 858 | ena = perf_counts(counter->counts, cpu, 0)->ena; |
| 859 | run = perf_counts(counter->counts, cpu, 0)->run; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 860 | |
| 861 | if (prefix) |
| 862 | fprintf(output, "%s", prefix); |
| 863 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 864 | if (run == 0 || ena == 0) { |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 865 | fprintf(output, "CPU%*d%s%*s%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 866 | csv_output ? 0 : -4, |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 867 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 868 | csv_output ? 0 : 18, |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 869 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 870 | csv_sep); |
| 871 | |
| 872 | fprintf(output, "%-*s%s", |
| 873 | csv_output ? 0 : unit_width, |
| 874 | counter->unit, csv_sep); |
| 875 | |
| 876 | fprintf(output, "%*s", |
| 877 | csv_output ? 0 : -25, |
| 878 | perf_evsel__name(counter)); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 879 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 880 | if (counter->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 881 | fprintf(output, "%s%s", |
| 882 | csv_sep, counter->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 883 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 884 | print_running(run, ena); |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 885 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 886 | continue; |
| 887 | } |
| 888 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 889 | uval = val * counter->scale; |
| 890 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 891 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 892 | nsec_printout(cpu, 0, counter, uval); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 893 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 894 | abs_printout(cpu, 0, counter, uval); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 895 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 896 | if (!csv_output) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 897 | print_noise(counter, 1.0); |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 898 | print_running(run, ena); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 899 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 900 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 901 | } |
| 902 | } |
| 903 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 904 | static void print_stat(int argc, const char **argv) |
| 905 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 906 | struct perf_evsel *counter; |
| 907 | int i; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 908 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 909 | fflush(stdout); |
| 910 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 911 | if (!csv_output) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 912 | fprintf(output, "\n"); |
| 913 | fprintf(output, " Performance counter stats for "); |
David Ahern | 62d3b61 | 2013-09-28 14:27:58 -0600 | [diff] [blame] | 914 | if (target.system_wide) |
| 915 | fprintf(output, "\'system wide"); |
| 916 | else if (target.cpu_list) |
| 917 | fprintf(output, "\'CPU(s) %s", target.cpu_list); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 918 | else if (!target__has_task(&target)) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 919 | fprintf(output, "\'%s", argv[0]); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 920 | for (i = 1; i < argc; i++) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 921 | fprintf(output, " %s", argv[i]); |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 922 | } else if (target.pid) |
| 923 | fprintf(output, "process id \'%s", target.pid); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 924 | else |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 925 | fprintf(output, "thread id \'%s", target.tid); |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 926 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 927 | fprintf(output, "\'"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 928 | if (run_count > 1) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 929 | fprintf(output, " (%d runs)", run_count); |
| 930 | fprintf(output, ":\n\n"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 931 | } |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 932 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 933 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 934 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 935 | case AGGR_SOCKET: |
| 936 | print_aggr(NULL); |
| 937 | break; |
| 938 | case AGGR_GLOBAL: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 939 | evlist__for_each(evsel_list, counter) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 940 | print_counter_aggr(counter, NULL); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 941 | break; |
| 942 | case AGGR_NONE: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 943 | evlist__for_each(evsel_list, counter) |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 944 | print_counter(counter, NULL); |
| 945 | break; |
| 946 | default: |
| 947 | break; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 948 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 949 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 950 | if (!csv_output) { |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 951 | if (!null_run) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 952 | fprintf(output, "\n"); |
| 953 | fprintf(output, " %17.9f seconds time elapsed", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 954 | avg_stats(&walltime_nsecs_stats)/1e9); |
| 955 | if (run_count > 1) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 956 | fprintf(output, " "); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 957 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), |
| 958 | avg_stats(&walltime_nsecs_stats)); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 959 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 960 | fprintf(output, "\n\n"); |
Ingo Molnar | 566747e | 2009-06-27 06:24:32 +0200 | [diff] [blame] | 961 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 962 | } |
| 963 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 964 | static volatile int signr = -1; |
| 965 | |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 966 | static void skip_signal(int signo) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 967 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 968 | if ((child_pid == -1) || interval) |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 969 | done = 1; |
| 970 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 971 | signr = signo; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 972 | /* |
| 973 | * render child_pid harmless |
| 974 | * won't send SIGTERM to a random |
| 975 | * process in case of race condition |
| 976 | * and fast PID recycling |
| 977 | */ |
| 978 | child_pid = -1; |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 979 | } |
| 980 | |
| 981 | static void sig_atexit(void) |
| 982 | { |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 983 | sigset_t set, oset; |
| 984 | |
| 985 | /* |
| 986 | * avoid race condition with SIGCHLD handler |
| 987 | * in skip_signal() which is modifying child_pid |
| 988 | * goal is to avoid send SIGTERM to a random |
| 989 | * process |
| 990 | */ |
| 991 | sigemptyset(&set); |
| 992 | sigaddset(&set, SIGCHLD); |
| 993 | sigprocmask(SIG_BLOCK, &set, &oset); |
| 994 | |
Chris Wilson | 933da83 | 2009-10-04 01:35:01 +0100 | [diff] [blame] | 995 | if (child_pid != -1) |
| 996 | kill(child_pid, SIGTERM); |
| 997 | |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 998 | sigprocmask(SIG_SETMASK, &oset, NULL); |
| 999 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1000 | if (signr == -1) |
| 1001 | return; |
| 1002 | |
| 1003 | signal(signr, SIG_DFL); |
| 1004 | kill(getpid(), signr); |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1005 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1006 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1007 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
| 1008 | const char *s __maybe_unused, int unset) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1009 | { |
| 1010 | big_num_opt = unset ? 0 : 1; |
| 1011 | return 0; |
| 1012 | } |
| 1013 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1014 | static int perf_stat_init_aggr_mode(void) |
| 1015 | { |
| 1016 | switch (aggr_mode) { |
| 1017 | case AGGR_SOCKET: |
| 1018 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { |
| 1019 | perror("cannot build socket map"); |
| 1020 | return -1; |
| 1021 | } |
| 1022 | aggr_get_id = cpu_map__get_socket; |
| 1023 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1024 | case AGGR_CORE: |
| 1025 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { |
| 1026 | perror("cannot build core map"); |
| 1027 | return -1; |
| 1028 | } |
| 1029 | aggr_get_id = cpu_map__get_core; |
| 1030 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1031 | case AGGR_NONE: |
| 1032 | case AGGR_GLOBAL: |
| 1033 | default: |
| 1034 | break; |
| 1035 | } |
| 1036 | return 0; |
| 1037 | } |
| 1038 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1039 | /* |
| 1040 | * Add default attributes, if there were no attributes specified or |
| 1041 | * if -d/--detailed, -d -d or -d -d -d is used: |
| 1042 | */ |
| 1043 | static int add_default_attributes(void) |
| 1044 | { |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1045 | struct perf_event_attr default_attrs[] = { |
| 1046 | |
| 1047 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, |
| 1048 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, |
| 1049 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, |
| 1050 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, |
| 1051 | |
| 1052 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, |
| 1053 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, |
| 1054 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, |
| 1055 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, |
| 1056 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, |
| 1057 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, |
| 1058 | |
| 1059 | }; |
| 1060 | |
| 1061 | /* |
| 1062 | * Detailed stats (-d), covering the L1 and last level data caches: |
| 1063 | */ |
| 1064 | struct perf_event_attr detailed_attrs[] = { |
| 1065 | |
| 1066 | { .type = PERF_TYPE_HW_CACHE, |
| 1067 | .config = |
| 1068 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1069 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1070 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1071 | |
| 1072 | { .type = PERF_TYPE_HW_CACHE, |
| 1073 | .config = |
| 1074 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1075 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1076 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1077 | |
| 1078 | { .type = PERF_TYPE_HW_CACHE, |
| 1079 | .config = |
| 1080 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1081 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1082 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1083 | |
| 1084 | { .type = PERF_TYPE_HW_CACHE, |
| 1085 | .config = |
| 1086 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1087 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1088 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1089 | }; |
| 1090 | |
| 1091 | /* |
| 1092 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: |
| 1093 | */ |
| 1094 | struct perf_event_attr very_detailed_attrs[] = { |
| 1095 | |
| 1096 | { .type = PERF_TYPE_HW_CACHE, |
| 1097 | .config = |
| 1098 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1099 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1100 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1101 | |
| 1102 | { .type = PERF_TYPE_HW_CACHE, |
| 1103 | .config = |
| 1104 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1105 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1106 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1107 | |
| 1108 | { .type = PERF_TYPE_HW_CACHE, |
| 1109 | .config = |
| 1110 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1111 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1112 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1113 | |
| 1114 | { .type = PERF_TYPE_HW_CACHE, |
| 1115 | .config = |
| 1116 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1117 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1118 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1119 | |
| 1120 | { .type = PERF_TYPE_HW_CACHE, |
| 1121 | .config = |
| 1122 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1123 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1124 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1125 | |
| 1126 | { .type = PERF_TYPE_HW_CACHE, |
| 1127 | .config = |
| 1128 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1129 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1130 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1131 | |
| 1132 | }; |
| 1133 | |
| 1134 | /* |
| 1135 | * Very, very detailed stats (-d -d -d), adding prefetch events: |
| 1136 | */ |
| 1137 | struct perf_event_attr very_very_detailed_attrs[] = { |
| 1138 | |
| 1139 | { .type = PERF_TYPE_HW_CACHE, |
| 1140 | .config = |
| 1141 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1142 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 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_PREFETCH << 8) | |
| 1149 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1150 | }; |
| 1151 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1152 | /* Set attrs if no event is selected and !null_run: */ |
| 1153 | if (null_run) |
| 1154 | return 0; |
| 1155 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1156 | if (transaction_run) { |
| 1157 | int err; |
| 1158 | if (pmu_have_event("cpu", "cycles-ct") && |
| 1159 | pmu_have_event("cpu", "el-start")) |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 1160 | err = parse_events(evsel_list, transaction_attrs, NULL); |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1161 | else |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 1162 | err = parse_events(evsel_list, transaction_limited_attrs, NULL); |
| 1163 | if (err) { |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1164 | fprintf(stderr, "Cannot set up transaction events\n"); |
| 1165 | return -1; |
| 1166 | } |
| 1167 | return 0; |
| 1168 | } |
| 1169 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1170 | if (!evsel_list->nr_entries) { |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1171 | 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] | 1172 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1173 | } |
| 1174 | |
| 1175 | /* Detailed events get appended to the event list: */ |
| 1176 | |
| 1177 | if (detailed_run < 1) |
| 1178 | return 0; |
| 1179 | |
| 1180 | /* Append detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1181 | 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] | 1182 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1183 | |
| 1184 | if (detailed_run < 2) |
| 1185 | return 0; |
| 1186 | |
| 1187 | /* Append very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1188 | 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] | 1189 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1190 | |
| 1191 | if (detailed_run < 3) |
| 1192 | return 0; |
| 1193 | |
| 1194 | /* Append very, very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1195 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1196 | } |
| 1197 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1198 | 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] | 1199 | { |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 1200 | bool append_file = false; |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1201 | int output_fd = 0; |
| 1202 | const char *output_name = NULL; |
| 1203 | const struct option options[] = { |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1204 | OPT_BOOLEAN('T', "transaction", &transaction_run, |
| 1205 | "hardware transaction statistics"), |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1206 | OPT_CALLBACK('e', "event", &evsel_list, "event", |
| 1207 | "event selector. use 'perf list' to list available events", |
| 1208 | parse_events_option), |
| 1209 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", |
| 1210 | "event filter", parse_filter), |
| 1211 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, |
| 1212 | "child tasks do not inherit counters"), |
| 1213 | OPT_STRING('p', "pid", &target.pid, "pid", |
| 1214 | "stat events on existing process id"), |
| 1215 | OPT_STRING('t', "tid", &target.tid, "tid", |
| 1216 | "stat events on existing thread id"), |
| 1217 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, |
| 1218 | "system-wide collection from all CPUs"), |
| 1219 | OPT_BOOLEAN('g', "group", &group, |
| 1220 | "put the counters into a counter group"), |
| 1221 | OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), |
| 1222 | OPT_INCR('v', "verbose", &verbose, |
| 1223 | "be more verbose (show counter open errors, etc)"), |
| 1224 | OPT_INTEGER('r', "repeat", &run_count, |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1225 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1226 | OPT_BOOLEAN('n', "null", &null_run, |
| 1227 | "null run - dont start any counters"), |
| 1228 | OPT_INCR('d', "detailed", &detailed_run, |
| 1229 | "detailed run - start a lot of events"), |
| 1230 | OPT_BOOLEAN('S', "sync", &sync_run, |
| 1231 | "call sync() before starting a run"), |
Arnaldo Carvalho de Melo | 48000a1 | 2014-12-17 17:24:45 -0300 | [diff] [blame] | 1232 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1233 | "print large numbers with thousands\' separators", |
| 1234 | stat__set_big_num), |
| 1235 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", |
| 1236 | "list of cpus to monitor in system-wide"), |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1237 | OPT_SET_UINT('A', "no-aggr", &aggr_mode, |
| 1238 | "disable CPU count aggregation", AGGR_NONE), |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1239 | OPT_STRING('x', "field-separator", &csv_sep, "separator", |
| 1240 | "print counts with custom separator"), |
| 1241 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", |
| 1242 | "monitor event in cgroup name only", parse_cgroups), |
| 1243 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
| 1244 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), |
| 1245 | OPT_INTEGER(0, "log-fd", &output_fd, |
| 1246 | "log output to fd, instead of stderr"), |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 1247 | OPT_STRING(0, "pre", &pre_cmd, "command", |
| 1248 | "command to run prior to the measured command"), |
| 1249 | OPT_STRING(0, "post", &post_cmd, "command", |
| 1250 | "command to run after to the measured command"), |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1251 | OPT_UINTEGER('I', "interval-print", &interval, |
| 1252 | "print counts at regular interval in ms (>= 100)"), |
Stephane Eranian | d430495 | 2013-02-14 13:57:28 +0100 | [diff] [blame] | 1253 | OPT_SET_UINT(0, "per-socket", &aggr_mode, |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1254 | "aggregate counts per processor socket", AGGR_SOCKET), |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1255 | OPT_SET_UINT(0, "per-core", &aggr_mode, |
| 1256 | "aggregate counts per physical processor core", AGGR_CORE), |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 1257 | OPT_UINTEGER('D', "delay", &initial_delay, |
| 1258 | "ms to wait before starting measurement after program start"), |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1259 | OPT_END() |
| 1260 | }; |
| 1261 | const char * const stat_usage[] = { |
| 1262 | "perf stat [<options>] [<command>]", |
| 1263 | NULL |
| 1264 | }; |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1265 | int status = -EINVAL, run_idx; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1266 | const char *mode; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1267 | |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 1268 | setlocale(LC_ALL, ""); |
| 1269 | |
Namhyung Kim | 334fe7a | 2013-03-11 16:43:12 +0900 | [diff] [blame] | 1270 | evsel_list = perf_evlist__new(); |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1271 | if (evsel_list == NULL) |
| 1272 | return -ENOMEM; |
| 1273 | |
Anton Blanchard | a054123 | 2009-07-22 23:04:12 +1000 | [diff] [blame] | 1274 | argc = parse_options(argc, argv, options, stat_usage, |
| 1275 | PARSE_OPT_STOP_AT_NON_OPTION); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1276 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1277 | output = stderr; |
| 1278 | if (output_name && strcmp(output_name, "-")) |
| 1279 | output = NULL; |
| 1280 | |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1281 | if (output_name && output_fd) { |
| 1282 | fprintf(stderr, "cannot use both --output and --log-fd\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1283 | parse_options_usage(stat_usage, options, "o", 1); |
| 1284 | parse_options_usage(NULL, options, "log-fd", 0); |
| 1285 | goto out; |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1286 | } |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1287 | |
| 1288 | if (output_fd < 0) { |
| 1289 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1290 | parse_options_usage(stat_usage, options, "log-fd", 0); |
| 1291 | goto out; |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1292 | } |
| 1293 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1294 | if (!output) { |
| 1295 | struct timespec tm; |
| 1296 | mode = append_file ? "a" : "w"; |
| 1297 | |
| 1298 | output = fopen(output_name, mode); |
| 1299 | if (!output) { |
| 1300 | perror("failed to create output file"); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 1301 | return -1; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1302 | } |
| 1303 | clock_gettime(CLOCK_REALTIME, &tm); |
| 1304 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1305 | } else if (output_fd > 0) { |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1306 | mode = append_file ? "a" : "w"; |
| 1307 | output = fdopen(output_fd, mode); |
| 1308 | if (!output) { |
| 1309 | perror("Failed opening logfd"); |
| 1310 | return -errno; |
| 1311 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1312 | } |
| 1313 | |
Jim Cromie | d4ffd04 | 2011-09-07 17:14:03 -0600 | [diff] [blame] | 1314 | if (csv_sep) { |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1315 | csv_output = true; |
Jim Cromie | d4ffd04 | 2011-09-07 17:14:03 -0600 | [diff] [blame] | 1316 | if (!strcmp(csv_sep, "\\t")) |
| 1317 | csv_sep = "\t"; |
| 1318 | } else |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1319 | csv_sep = DEFAULT_SEPARATOR; |
| 1320 | |
| 1321 | /* |
| 1322 | * let the spreadsheet do the pretty-printing |
| 1323 | */ |
| 1324 | if (csv_output) { |
Jim Cromie | 61a9f32 | 2011-09-07 17:14:04 -0600 | [diff] [blame] | 1325 | /* User explicitly passed -B? */ |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1326 | if (big_num_opt == 1) { |
| 1327 | fprintf(stderr, "-B option not supported with -x\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1328 | parse_options_usage(stat_usage, options, "B", 1); |
| 1329 | parse_options_usage(NULL, options, "x", 1); |
| 1330 | goto out; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1331 | } else /* Nope, so disable big number formatting */ |
| 1332 | big_num = false; |
| 1333 | } else if (big_num_opt == 0) /* User passed --no-big-num */ |
| 1334 | big_num = false; |
| 1335 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1336 | if (!argc && target__none(&target)) |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1337 | usage_with_options(stat_usage, options); |
David Ahern | ac3063b | 2013-09-30 07:37:37 -0600 | [diff] [blame] | 1338 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1339 | if (run_count < 0) { |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1340 | pr_err("Run count must be a positive number\n"); |
| 1341 | parse_options_usage(stat_usage, options, "r", 1); |
| 1342 | goto out; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1343 | } else if (run_count == 0) { |
| 1344 | forever = true; |
| 1345 | run_count = 1; |
| 1346 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1347 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1348 | /* no_aggr, cgroup are for system-wide only */ |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1349 | if ((aggr_mode != AGGR_GLOBAL || nr_cgroups) && |
| 1350 | !target__has_cpu(&target)) { |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1351 | fprintf(stderr, "both cgroup and no-aggregation " |
| 1352 | "modes only available in system-wide mode\n"); |
| 1353 | |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1354 | parse_options_usage(stat_usage, options, "G", 1); |
| 1355 | parse_options_usage(NULL, options, "A", 1); |
| 1356 | parse_options_usage(NULL, options, "a", 1); |
| 1357 | goto out; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1358 | } |
| 1359 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1360 | if (add_default_attributes()) |
| 1361 | goto out; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1362 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1363 | target__validate(&target); |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 1364 | |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1365 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1366 | if (target__has_task(&target)) { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1367 | pr_err("Problems finding threads of monitor\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1368 | parse_options_usage(stat_usage, options, "p", 1); |
| 1369 | parse_options_usage(NULL, options, "t", 1); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1370 | } else if (target__has_cpu(&target)) { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1371 | perror("failed to parse CPUs map"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1372 | parse_options_usage(stat_usage, options, "C", 1); |
| 1373 | parse_options_usage(NULL, options, "a", 1); |
| 1374 | } |
| 1375 | goto out; |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 1376 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1377 | if (interval && interval < 100) { |
| 1378 | pr_err("print interval must be >= 100ms\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1379 | parse_options_usage(stat_usage, options, "I", 1); |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 1380 | goto out; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1381 | } |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1382 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1383 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 1384 | goto out; |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1385 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1386 | if (perf_stat_init_aggr_mode()) |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 1387 | goto out; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1388 | |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 1389 | /* |
| 1390 | * We dont want to block the signals - that would cause |
| 1391 | * child tasks to inherit that and Ctrl-C would not work. |
| 1392 | * What we want is for Ctrl-C to work in the exec()-ed |
| 1393 | * task, but being ignored by perf stat itself: |
| 1394 | */ |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1395 | atexit(sig_atexit); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1396 | if (!forever) |
| 1397 | signal(SIGINT, skip_signal); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1398 | signal(SIGCHLD, skip_signal); |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 1399 | signal(SIGALRM, skip_signal); |
| 1400 | signal(SIGABRT, skip_signal); |
| 1401 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1402 | status = 0; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1403 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1404 | if (run_count != 1 && verbose) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1405 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
| 1406 | run_idx + 1); |
Ingo Molnar | f9cef0a | 2011-04-28 18:17:11 +0200 | [diff] [blame] | 1407 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1408 | status = run_perf_stat(argc, argv); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1409 | if (forever && status != -1) { |
| 1410 | print_stat(argc, argv); |
Jiri Olsa | 254ecbc | 2015-06-26 11:29:13 +0200 | [diff] [blame] | 1411 | perf_stat__reset_stats(); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1412 | } |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1413 | } |
| 1414 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1415 | if (!forever && status != -1 && !interval) |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 1416 | print_stat(argc, argv); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1417 | |
| 1418 | perf_evlist__free_stats(evsel_list); |
Arnaldo Carvalho de Melo | 0015e2e | 2011-02-01 16:18:10 -0200 | [diff] [blame] | 1419 | out: |
| 1420 | perf_evlist__delete(evsel_list); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1421 | return status; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1422 | } |