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" |
Josh Poimboeuf | 4b6ab94 | 2015-12-15 09:39:39 -0600 | [diff] [blame] | 48 | #include <subcmd/parse-options.h> |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 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 | 8f28827a | 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 | 8f28827a | 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" |
Jiri Olsa | d809560 | 2015-08-07 12:51:03 +0200 | [diff] [blame] | 61 | #include "util/counts.h" |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 62 | #include "util/session.h" |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 63 | #include "util/tool.h" |
| 64 | #include "asm/bug.h" |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 65 | |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 66 | #include <stdlib.h> |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 67 | #include <sys/prctl.h> |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 68 | #include <locale.h> |
Peter Zijlstra | 16c8a10 | 2009-05-05 17:50:27 +0200 | [diff] [blame] | 69 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 70 | #define DEFAULT_SEPARATOR " " |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 71 | #define CNTR_NOT_SUPPORTED "<not supported>" |
| 72 | #define CNTR_NOT_COUNTED "<not counted>" |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 73 | |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 74 | static void print_counters(struct timespec *ts, int argc, const char **argv); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 75 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 76 | /* Default events used for perf stat -T */ |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 77 | static const char *transaction_attrs = { |
| 78 | "task-clock," |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 79 | "{" |
| 80 | "instructions," |
| 81 | "cycles," |
| 82 | "cpu/cycles-t/," |
| 83 | "cpu/tx-start/," |
| 84 | "cpu/el-start/," |
| 85 | "cpu/cycles-ct/" |
| 86 | "}" |
| 87 | }; |
| 88 | |
| 89 | /* More limited version when the CPU does not have all events. */ |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 90 | static const char * transaction_limited_attrs = { |
| 91 | "task-clock," |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 92 | "{" |
| 93 | "instructions," |
| 94 | "cycles," |
| 95 | "cpu/cycles-t/," |
| 96 | "cpu/tx-start/" |
| 97 | "}" |
| 98 | }; |
| 99 | |
Robert Richter | 666e6d4 | 2012-04-05 18:26:27 +0200 | [diff] [blame] | 100 | static struct perf_evlist *evsel_list; |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 101 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 102 | static struct target target = { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 103 | .uid = UINT_MAX, |
| 104 | }; |
Jaswinder Singh Rajput | 3d63259 | 2009-06-24 18:19:34 +0530 | [diff] [blame] | 105 | |
Jiri Olsa | 1e5a293 | 2015-10-25 15:51:18 +0100 | [diff] [blame] | 106 | typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); |
| 107 | |
Jaswinder Singh Rajput | 3d63259 | 2009-06-24 18:19:34 +0530 | [diff] [blame] | 108 | static int run_count = 1; |
Stephane Eranian | 2e6cdf9 | 2010-05-12 10:40:01 +0200 | [diff] [blame] | 109 | static bool no_inherit = false; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 110 | static volatile pid_t child_pid = -1; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 111 | static bool null_run = false; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 112 | static int detailed_run = 0; |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 113 | static bool transaction_run; |
Arnaldo Carvalho de Melo | 201e0b0 | 2010-12-01 17:53:27 -0200 | [diff] [blame] | 114 | static bool big_num = true; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 115 | static int big_num_opt = -1; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 116 | static const char *csv_sep = NULL; |
| 117 | static bool csv_output = false; |
Lin Ming | 43bece7 | 2011-08-17 18:42:07 +0800 | [diff] [blame] | 118 | static bool group = false; |
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; |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 122 | static unsigned int initial_delay = 0; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 123 | static unsigned int unit_width = 4; /* strlen("unit") */ |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 124 | static bool forever = false; |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 125 | static bool metric_only = 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; |
Jiri Olsa | 1e5a293 | 2015-10-25 15:51:18 +0100 | [diff] [blame] | 128 | static aggr_get_id_t aggr_get_id; |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 129 | static bool append_file; |
| 130 | static const char *output_name; |
| 131 | static int output_fd; |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 132 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 133 | struct perf_stat { |
| 134 | bool record; |
| 135 | struct perf_data_file file; |
| 136 | struct perf_session *session; |
| 137 | u64 bytes_written; |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 138 | struct perf_tool tool; |
Jiri Olsa | 1975d36 | 2015-11-05 15:40:56 +0100 | [diff] [blame] | 139 | bool maps_allocated; |
| 140 | struct cpu_map *cpus; |
| 141 | struct thread_map *threads; |
Jiri Olsa | 89af4e0 | 2015-11-05 15:41:02 +0100 | [diff] [blame] | 142 | enum aggr_mode aggr_mode; |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 143 | }; |
| 144 | |
| 145 | static struct perf_stat perf_stat; |
| 146 | #define STAT_RECORD perf_stat.record |
| 147 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 148 | static volatile int done = 0; |
| 149 | |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 150 | static struct perf_stat_config stat_config = { |
| 151 | .aggr_mode = AGGR_GLOBAL, |
Jiri Olsa | 711a572 | 2015-07-21 14:31:23 +0200 | [diff] [blame] | 152 | .scale = true, |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 153 | }; |
| 154 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 155 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
| 156 | struct timespec *b) |
| 157 | { |
| 158 | r->tv_sec = a->tv_sec - b->tv_sec; |
| 159 | if (a->tv_nsec < b->tv_nsec) { |
| 160 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; |
| 161 | r->tv_sec--; |
| 162 | } else { |
| 163 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; |
| 164 | } |
| 165 | } |
| 166 | |
Jiri Olsa | 254ecbc | 2015-06-26 11:29:13 +0200 | [diff] [blame] | 167 | static void perf_stat__reset_stats(void) |
| 168 | { |
| 169 | perf_evlist__reset_stats(evsel_list); |
Jiri Olsa | f87027b | 2015-06-03 16:25:59 +0200 | [diff] [blame] | 170 | perf_stat__reset_shadow_stats(); |
Jiri Olsa | 1eda3b2 | 2015-06-03 16:25:55 +0200 | [diff] [blame] | 171 | } |
| 172 | |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 173 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 174 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 175 | struct perf_event_attr *attr = &evsel->attr; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 176 | |
Jiri Olsa | 711a572 | 2015-07-21 14:31:23 +0200 | [diff] [blame] | 177 | if (stat_config.scale) |
Ingo Molnar | a21ca2c | 2009-06-06 09:58:57 +0200 | [diff] [blame] | 178 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
| 179 | PERF_FORMAT_TOTAL_TIME_RUNNING; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 180 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 181 | attr->inherit = !no_inherit; |
Arnaldo Carvalho de Melo | 5d2cd90 | 2011-04-14 11:20:14 -0300 | [diff] [blame] | 182 | |
Jiri Olsa | 6acd8e9 | 2015-11-25 16:36:54 +0100 | [diff] [blame] | 183 | /* |
| 184 | * Some events get initialized with sample_(period/type) set, |
| 185 | * like tracepoints. Clear it up for counting. |
| 186 | */ |
| 187 | attr->sample_period = 0; |
Jiri Olsa | 6db1a5c | 2016-01-05 22:09:05 +0100 | [diff] [blame] | 188 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 189 | /* |
| 190 | * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless |
| 191 | * while avoiding that older tools show confusing messages. |
Jiri Olsa | 6db1a5c | 2016-01-05 22:09:05 +0100 | [diff] [blame] | 192 | * |
| 193 | * However for pipe sessions we need to keep it zero, |
| 194 | * because script's perf_evsel__check_attr is triggered |
| 195 | * by attr->sample_type != 0, and we can't run it on |
| 196 | * stat sessions. |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 197 | */ |
Jiri Olsa | 6db1a5c | 2016-01-05 22:09:05 +0100 | [diff] [blame] | 198 | if (!(STAT_RECORD && perf_stat.file.is_pipe)) |
| 199 | attr->sample_type = PERF_SAMPLE_IDENTIFIER; |
Jiri Olsa | 6acd8e9 | 2015-11-25 16:36:54 +0100 | [diff] [blame] | 200 | |
Jiri Olsa | 67ccdec | 2015-12-03 10:06:44 +0100 | [diff] [blame] | 201 | /* |
| 202 | * Disabling all counters initially, they will be enabled |
| 203 | * either manually by us or by kernel via enable_on_exec |
| 204 | * set later. |
| 205 | */ |
Jiri Olsa | c8280ce | 2015-12-03 10:06:45 +0100 | [diff] [blame] | 206 | if (perf_evsel__is_group_leader(evsel)) { |
Jiri Olsa | 67ccdec | 2015-12-03 10:06:44 +0100 | [diff] [blame] | 207 | attr->disabled = 1; |
| 208 | |
Jiri Olsa | c8280ce | 2015-12-03 10:06:45 +0100 | [diff] [blame] | 209 | /* |
| 210 | * In case of initial_delay we enable tracee |
| 211 | * events manually. |
| 212 | */ |
| 213 | if (target__none(&target) && !initial_delay) |
| 214 | attr->enable_on_exec = 1; |
| 215 | } |
| 216 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 217 | if (target__has_cpu(&target)) |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 218 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); |
Stephane Eranian | 5622c07 | 2012-04-27 14:45:38 +0200 | [diff] [blame] | 219 | |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 220 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 221 | } |
| 222 | |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 223 | /* |
| 224 | * Does the counter have nsecs as a unit? |
| 225 | */ |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 226 | static inline int nsec_counter(struct perf_evsel *evsel) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 227 | { |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 228 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
| 229 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 230 | return 1; |
| 231 | |
| 232 | return 0; |
| 233 | } |
| 234 | |
Jiri Olsa | 8b99b1a | 2015-11-05 15:40:48 +0100 | [diff] [blame] | 235 | static int process_synthesized_event(struct perf_tool *tool __maybe_unused, |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 236 | union perf_event *event, |
| 237 | struct perf_sample *sample __maybe_unused, |
| 238 | struct machine *machine __maybe_unused) |
| 239 | { |
Jiri Olsa | 8b99b1a | 2015-11-05 15:40:48 +0100 | [diff] [blame] | 240 | if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { |
| 241 | pr_err("failed to write perf data, error: %m\n"); |
| 242 | return -1; |
| 243 | } |
| 244 | |
| 245 | perf_stat.bytes_written += event->header.size; |
| 246 | return 0; |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 247 | } |
| 248 | |
Jiri Olsa | 1975d36 | 2015-11-05 15:40:56 +0100 | [diff] [blame] | 249 | static int write_stat_round_event(u64 tm, u64 type) |
Jiri Olsa | 7aad0c3 | 2015-11-05 15:40:52 +0100 | [diff] [blame] | 250 | { |
Jiri Olsa | 1975d36 | 2015-11-05 15:40:56 +0100 | [diff] [blame] | 251 | return perf_event__synthesize_stat_round(NULL, tm, type, |
Jiri Olsa | 7aad0c3 | 2015-11-05 15:40:52 +0100 | [diff] [blame] | 252 | process_synthesized_event, |
| 253 | NULL); |
| 254 | } |
| 255 | |
| 256 | #define WRITE_STAT_ROUND_EVENT(time, interval) \ |
| 257 | write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) |
| 258 | |
Jiri Olsa | 5a6ea81 | 2015-11-05 15:40:51 +0100 | [diff] [blame] | 259 | #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) |
| 260 | |
| 261 | static int |
| 262 | perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, |
| 263 | struct perf_counts_values *count) |
| 264 | { |
| 265 | struct perf_sample_id *sid = SID(counter, cpu, thread); |
| 266 | |
| 267 | return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, |
| 268 | process_synthesized_event, NULL); |
| 269 | } |
| 270 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 271 | /* |
| 272 | * Read out the results of a single counter: |
| 273 | * do not aggregate counts across CPUs in system-wide mode |
| 274 | */ |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 275 | static int read_counter(struct perf_evsel *counter) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 276 | { |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 277 | int nthreads = thread_map__nr(evsel_list->threads); |
| 278 | int ncpus = perf_evsel__nr_cpus(counter); |
| 279 | int cpu, thread; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 280 | |
Suzuki K. Poulose | 3b4331d | 2015-02-13 18:40:58 +0000 | [diff] [blame] | 281 | if (!counter->supported) |
| 282 | return -ENOENT; |
| 283 | |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 284 | if (counter->system_wide) |
| 285 | nthreads = 1; |
| 286 | |
| 287 | for (thread = 0; thread < nthreads; thread++) { |
| 288 | for (cpu = 0; cpu < ncpus; cpu++) { |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 289 | struct perf_counts_values *count; |
| 290 | |
| 291 | count = perf_counts(counter->counts, cpu, thread); |
| 292 | if (perf_evsel__read(counter, cpu, thread, count)) |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 293 | return -1; |
Jiri Olsa | 5a6ea81 | 2015-11-05 15:40:51 +0100 | [diff] [blame] | 294 | |
| 295 | if (STAT_RECORD) { |
| 296 | if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { |
| 297 | pr_err("failed to write stat event\n"); |
| 298 | return -1; |
| 299 | } |
| 300 | } |
Jiri Olsa | 9bf1a52 | 2014-11-21 10:31:09 +0100 | [diff] [blame] | 301 | } |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 302 | } |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 303 | |
| 304 | return 0; |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 305 | } |
| 306 | |
Jiri Olsa | 5fc472a | 2015-07-08 13:17:31 +0200 | [diff] [blame] | 307 | static void read_counters(bool close_counters) |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 308 | { |
| 309 | struct perf_evsel *counter; |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 310 | |
| 311 | evlist__for_each(evsel_list, counter) { |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 312 | if (read_counter(counter)) |
Andi Kleen | 245bad8 | 2015-09-01 15:52:46 -0700 | [diff] [blame] | 313 | pr_debug("failed to read counter %s\n", counter->name); |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 314 | |
Jiri Olsa | f80010e | 2015-07-21 14:31:27 +0200 | [diff] [blame] | 315 | if (perf_stat_process_counter(&stat_config, counter)) |
Jiri Olsa | 3b3eb04 | 2015-06-26 11:29:20 +0200 | [diff] [blame] | 316 | pr_warning("failed to process counter %s\n", counter->name); |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 317 | |
Jiri Olsa | 5fc472a | 2015-07-08 13:17:31 +0200 | [diff] [blame] | 318 | if (close_counters) { |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 319 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
| 320 | thread_map__nr(evsel_list->threads)); |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | |
Jiri Olsa | ba411a9 | 2015-06-26 11:29:24 +0200 | [diff] [blame] | 325 | static void process_interval(void) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 326 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 327 | struct timespec ts, rs; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 328 | |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 329 | read_counters(false); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 330 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 331 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 332 | diff_timespec(&rs, &ts, &ref_time); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 333 | |
Jiri Olsa | 7aad0c3 | 2015-11-05 15:40:52 +0100 | [diff] [blame] | 334 | if (STAT_RECORD) { |
| 335 | if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSECS_PER_SEC + rs.tv_nsec, INTERVAL)) |
| 336 | pr_err("failed to write stat round event\n"); |
| 337 | } |
| 338 | |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 339 | print_counters(&rs, 0, NULL); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 340 | } |
| 341 | |
Jiri Olsa | 67ccdec | 2015-12-03 10:06:44 +0100 | [diff] [blame] | 342 | static void enable_counters(void) |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 343 | { |
Jiri Olsa | 67ccdec | 2015-12-03 10:06:44 +0100 | [diff] [blame] | 344 | if (initial_delay) |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 345 | usleep(initial_delay * 1000); |
Jiri Olsa | 67ccdec | 2015-12-03 10:06:44 +0100 | [diff] [blame] | 346 | |
| 347 | /* |
| 348 | * We need to enable counters only if: |
| 349 | * - we don't have tracee (attaching to task or cpu) |
| 350 | * - we have initial delay configured |
| 351 | */ |
| 352 | if (!target__none(&target) || initial_delay) |
Jiri Olsa | ab46db0 | 2015-12-03 10:06:43 +0100 | [diff] [blame] | 353 | perf_evlist__enable(evsel_list); |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 354 | } |
| 355 | |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 356 | static volatile int workload_exec_errno; |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 357 | |
| 358 | /* |
| 359 | * perf_evlist__prepare_workload will send a SIGUSR1 |
| 360 | * if the fork fails, since we asked by setting its |
| 361 | * want_signal to true. |
| 362 | */ |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 363 | static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, |
| 364 | void *ucontext __maybe_unused) |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 365 | { |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 366 | workload_exec_errno = info->si_value.sival_int; |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 367 | } |
| 368 | |
Jiri Olsa | 7b60a7e | 2015-11-05 15:40:54 +0100 | [diff] [blame] | 369 | static bool has_unit(struct perf_evsel *counter) |
| 370 | { |
| 371 | return counter->unit && *counter->unit; |
| 372 | } |
| 373 | |
| 374 | static bool has_scale(struct perf_evsel *counter) |
| 375 | { |
| 376 | return counter->scale != 1; |
| 377 | } |
| 378 | |
Jiri Olsa | 664c98d | 2015-11-05 15:40:50 +0100 | [diff] [blame] | 379 | static int perf_stat_synthesize_config(bool is_pipe) |
Jiri Olsa | 8b99b1a | 2015-11-05 15:40:48 +0100 | [diff] [blame] | 380 | { |
Jiri Olsa | 7b60a7e | 2015-11-05 15:40:54 +0100 | [diff] [blame] | 381 | struct perf_evsel *counter; |
Jiri Olsa | 8b99b1a | 2015-11-05 15:40:48 +0100 | [diff] [blame] | 382 | int err; |
| 383 | |
Jiri Olsa | 664c98d | 2015-11-05 15:40:50 +0100 | [diff] [blame] | 384 | if (is_pipe) { |
| 385 | err = perf_event__synthesize_attrs(NULL, perf_stat.session, |
| 386 | process_synthesized_event); |
| 387 | if (err < 0) { |
| 388 | pr_err("Couldn't synthesize attrs.\n"); |
| 389 | return err; |
| 390 | } |
| 391 | } |
| 392 | |
Jiri Olsa | 7b60a7e | 2015-11-05 15:40:54 +0100 | [diff] [blame] | 393 | /* |
| 394 | * Synthesize other events stuff not carried within |
| 395 | * attr event - unit, scale, name |
| 396 | */ |
| 397 | evlist__for_each(evsel_list, counter) { |
| 398 | if (!counter->supported) |
| 399 | continue; |
| 400 | |
| 401 | /* |
| 402 | * Synthesize unit and scale only if it's defined. |
| 403 | */ |
| 404 | if (has_unit(counter)) { |
| 405 | err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); |
| 406 | if (err < 0) { |
| 407 | pr_err("Couldn't synthesize evsel unit.\n"); |
| 408 | return err; |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | if (has_scale(counter)) { |
| 413 | err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event); |
| 414 | if (err < 0) { |
| 415 | pr_err("Couldn't synthesize evsel scale.\n"); |
| 416 | return err; |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | if (counter->own_cpus) { |
| 421 | err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); |
| 422 | if (err < 0) { |
| 423 | pr_err("Couldn't synthesize evsel scale.\n"); |
| 424 | return err; |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | /* |
| 429 | * Name is needed only for pipe output, |
| 430 | * perf.data carries event names. |
| 431 | */ |
| 432 | if (is_pipe) { |
| 433 | err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); |
| 434 | if (err < 0) { |
| 435 | pr_err("Couldn't synthesize evsel name.\n"); |
| 436 | return err; |
| 437 | } |
| 438 | } |
| 439 | } |
| 440 | |
Jiri Olsa | 8b99b1a | 2015-11-05 15:40:48 +0100 | [diff] [blame] | 441 | err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, |
| 442 | process_synthesized_event, |
| 443 | NULL); |
| 444 | if (err < 0) { |
| 445 | pr_err("Couldn't synthesize thread map.\n"); |
| 446 | return err; |
| 447 | } |
| 448 | |
| 449 | err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, |
| 450 | process_synthesized_event, NULL); |
| 451 | if (err < 0) { |
| 452 | pr_err("Couldn't synthesize thread map.\n"); |
| 453 | return err; |
| 454 | } |
| 455 | |
| 456 | err = perf_event__synthesize_stat_config(NULL, &stat_config, |
| 457 | process_synthesized_event, NULL); |
| 458 | if (err < 0) { |
| 459 | pr_err("Couldn't synthesize config.\n"); |
| 460 | return err; |
| 461 | } |
| 462 | |
| 463 | return 0; |
| 464 | } |
| 465 | |
Jiri Olsa | 2af4646 | 2015-11-05 15:40:49 +0100 | [diff] [blame] | 466 | #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) |
| 467 | |
| 468 | static int __store_counter_ids(struct perf_evsel *counter, |
| 469 | struct cpu_map *cpus, |
| 470 | struct thread_map *threads) |
| 471 | { |
| 472 | int cpu, thread; |
| 473 | |
| 474 | for (cpu = 0; cpu < cpus->nr; cpu++) { |
| 475 | for (thread = 0; thread < threads->nr; thread++) { |
| 476 | int fd = FD(counter, cpu, thread); |
| 477 | |
| 478 | if (perf_evlist__id_add_fd(evsel_list, counter, |
| 479 | cpu, thread, fd) < 0) |
| 480 | return -1; |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | return 0; |
| 485 | } |
| 486 | |
| 487 | static int store_counter_ids(struct perf_evsel *counter) |
| 488 | { |
| 489 | struct cpu_map *cpus = counter->cpus; |
| 490 | struct thread_map *threads = counter->threads; |
| 491 | |
| 492 | if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) |
| 493 | return -ENOMEM; |
| 494 | |
| 495 | return __store_counter_ids(counter, cpus, threads); |
| 496 | } |
| 497 | |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 498 | static int __run_perf_stat(int argc, const char **argv) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 499 | { |
Jiri Olsa | ec0d3d1 | 2015-07-21 14:31:25 +0200 | [diff] [blame] | 500 | int interval = stat_config.interval; |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 501 | char msg[512]; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 502 | unsigned long long t0, t1; |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 503 | struct perf_evsel *counter; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 504 | struct timespec ts; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 505 | size_t l; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 506 | int status = 0; |
Zhang, Yanmin | 6be2850 | 2010-03-18 11:36:03 -0300 | [diff] [blame] | 507 | const bool forks = (argc > 0); |
Jiri Olsa | 664c98d | 2015-11-05 15:40:50 +0100 | [diff] [blame] | 508 | bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 509 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 510 | if (interval) { |
| 511 | ts.tv_sec = interval / 1000; |
| 512 | ts.tv_nsec = (interval % 1000) * 1000000; |
| 513 | } else { |
| 514 | ts.tv_sec = 1; |
| 515 | ts.tv_nsec = 0; |
| 516 | } |
| 517 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 518 | if (forks) { |
Jiri Olsa | 664c98d | 2015-11-05 15:40:50 +0100 | [diff] [blame] | 519 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, |
Arnaldo Carvalho de Melo | 735f7e0 | 2014-01-03 14:56:49 -0300 | [diff] [blame] | 520 | workload_exec_failed_signal) < 0) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 521 | perror("failed to prepare workload"); |
| 522 | return -1; |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 523 | } |
Namhyung Kim | d20a47e | 2013-09-30 18:01:11 +0900 | [diff] [blame] | 524 | child_pid = evsel_list->workload.pid; |
Paul Mackerras | 051ae7f | 2009-06-29 21:13:21 +1000 | [diff] [blame] | 525 | } |
| 526 | |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 527 | if (group) |
Arnaldo Carvalho de Melo | 63dab22 | 2012-08-14 16:35:48 -0300 | [diff] [blame] | 528 | perf_evlist__set_leader(evsel_list); |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 529 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 530 | evlist__for_each(evsel_list, counter) { |
Arnaldo Carvalho de Melo | 42ef8a7 | 2016-05-12 16:25:18 -0300 | [diff] [blame^] | 531 | try_again: |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 532 | if (create_perf_stat_counter(counter) < 0) { |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 533 | /* |
| 534 | * PPC returns ENXIO for HW counters until 2.6.37 |
| 535 | * (behavior changed with commit b0a873e). |
| 536 | */ |
Anton Blanchard | 38f6ae1 | 2011-12-02 09:38:33 +1100 | [diff] [blame] | 537 | if (errno == EINVAL || errno == ENOSYS || |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 538 | errno == ENOENT || errno == EOPNOTSUPP || |
| 539 | errno == ENXIO) { |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 540 | if (verbose) |
| 541 | 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] | 542 | perf_evsel__name(counter)); |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 543 | counter->supported = false; |
Kan Liang | cb5ef60 | 2015-06-11 02:32:40 -0400 | [diff] [blame] | 544 | |
| 545 | if ((counter->leader != counter) || |
| 546 | !(counter->leader->nr_members > 1)) |
| 547 | continue; |
Arnaldo Carvalho de Melo | 42ef8a7 | 2016-05-12 16:25:18 -0300 | [diff] [blame^] | 548 | } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { |
| 549 | if (verbose) |
| 550 | ui__warning("%s\n", msg); |
| 551 | goto try_again; |
| 552 | } |
Ingo Molnar | ede7029 | 2011-04-28 08:48:42 +0200 | [diff] [blame] | 553 | |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 554 | perf_evsel__open_strerror(counter, &target, |
| 555 | errno, msg, sizeof(msg)); |
| 556 | ui__error("%s\n", msg); |
| 557 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 558 | if (child_pid != -1) |
| 559 | kill(child_pid, SIGTERM); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 560 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 561 | return -1; |
| 562 | } |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 563 | counter->supported = true; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 564 | |
| 565 | l = strlen(counter->unit); |
| 566 | if (l > unit_width) |
| 567 | unit_width = l; |
Jiri Olsa | 2af4646 | 2015-11-05 15:40:49 +0100 | [diff] [blame] | 568 | |
| 569 | if (STAT_RECORD && store_counter_ids(counter)) |
| 570 | return -1; |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 571 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 572 | |
Arnaldo Carvalho de Melo | 23d4aad | 2015-03-24 19:23:47 -0300 | [diff] [blame] | 573 | if (perf_evlist__apply_filters(evsel_list, &counter)) { |
| 574 | error("failed to set filter \"%s\" on event %s with %d (%s)\n", |
| 575 | counter->filter, perf_evsel__name(counter), errno, |
Masami Hiramatsu | 759e612 | 2014-08-14 02:22:55 +0000 | [diff] [blame] | 576 | strerror_r(errno, msg, sizeof(msg))); |
Frederic Weisbecker | cfd748a | 2011-03-14 16:40:30 +0100 | [diff] [blame] | 577 | return -1; |
| 578 | } |
| 579 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 580 | if (STAT_RECORD) { |
| 581 | int err, fd = perf_data_file__fd(&perf_stat.file); |
| 582 | |
Jiri Olsa | 664c98d | 2015-11-05 15:40:50 +0100 | [diff] [blame] | 583 | if (is_pipe) { |
| 584 | err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file)); |
| 585 | } else { |
| 586 | err = perf_session__write_header(perf_stat.session, evsel_list, |
| 587 | fd, false); |
| 588 | } |
| 589 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 590 | if (err < 0) |
| 591 | return err; |
Jiri Olsa | 8b99b1a | 2015-11-05 15:40:48 +0100 | [diff] [blame] | 592 | |
Jiri Olsa | 664c98d | 2015-11-05 15:40:50 +0100 | [diff] [blame] | 593 | err = perf_stat_synthesize_config(is_pipe); |
Jiri Olsa | 8b99b1a | 2015-11-05 15:40:48 +0100 | [diff] [blame] | 594 | if (err < 0) |
| 595 | return err; |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 596 | } |
| 597 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 598 | /* |
| 599 | * Enable counters and exec the command: |
| 600 | */ |
| 601 | t0 = rdclock(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 602 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 603 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 604 | if (forks) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 605 | perf_evlist__start_workload(evsel_list); |
Jiri Olsa | 67ccdec | 2015-12-03 10:06:44 +0100 | [diff] [blame] | 606 | enable_counters(); |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 607 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 608 | if (interval) { |
| 609 | while (!waitpid(child_pid, &status, WNOHANG)) { |
| 610 | nanosleep(&ts, NULL); |
Jiri Olsa | ba411a9 | 2015-06-26 11:29:24 +0200 | [diff] [blame] | 611 | process_interval(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 612 | } |
| 613 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 614 | wait(&status); |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 615 | |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 616 | if (workload_exec_errno) { |
| 617 | const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); |
| 618 | pr_err("Workload failed: %s\n", emsg); |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 619 | return -1; |
Arnaldo Carvalho de Melo | f33cbe7 | 2014-01-02 15:11:25 -0300 | [diff] [blame] | 620 | } |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame] | 621 | |
Andi Kleen | 33e49ea | 2011-09-15 14:31:40 -0700 | [diff] [blame] | 622 | if (WIFSIGNALED(status)) |
| 623 | psignal(WTERMSIG(status), argv[0]); |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 624 | } else { |
Jiri Olsa | 67ccdec | 2015-12-03 10:06:44 +0100 | [diff] [blame] | 625 | enable_counters(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 626 | while (!done) { |
| 627 | nanosleep(&ts, NULL); |
| 628 | if (interval) |
Jiri Olsa | ba411a9 | 2015-06-26 11:29:24 +0200 | [diff] [blame] | 629 | process_interval(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 630 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 631 | } |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 632 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 633 | t1 = rdclock(); |
| 634 | |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 635 | update_stats(&walltime_nsecs_stats, t1 - t0); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 636 | |
Jiri Olsa | 106a94a | 2015-06-26 11:29:19 +0200 | [diff] [blame] | 637 | read_counters(true); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 638 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 639 | return WEXITSTATUS(status); |
| 640 | } |
| 641 | |
Arnaldo Carvalho de Melo | 41cde47 | 2014-01-03 17:34:42 -0300 | [diff] [blame] | 642 | static int run_perf_stat(int argc, const char **argv) |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 643 | { |
| 644 | int ret; |
| 645 | |
| 646 | if (pre_cmd) { |
| 647 | ret = system(pre_cmd); |
| 648 | if (ret) |
| 649 | return ret; |
| 650 | } |
| 651 | |
| 652 | if (sync_run) |
| 653 | sync(); |
| 654 | |
| 655 | ret = __run_perf_stat(argc, argv); |
| 656 | if (ret) |
| 657 | return ret; |
| 658 | |
| 659 | if (post_cmd) { |
| 660 | ret = system(post_cmd); |
| 661 | if (ret) |
| 662 | return ret; |
| 663 | } |
| 664 | |
| 665 | return ret; |
| 666 | } |
| 667 | |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 668 | static void print_running(u64 run, u64 ena) |
| 669 | { |
| 670 | if (csv_output) { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 671 | fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 672 | csv_sep, |
| 673 | run, |
| 674 | csv_sep, |
| 675 | ena ? 100.0 * run / ena : 100.0); |
| 676 | } else if (run != ena) { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 677 | fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 678 | } |
| 679 | } |
| 680 | |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 681 | static void print_noise_pct(double total, double avg) |
| 682 | { |
Xiao Guangrong | 0007ece | 2012-09-17 16:31:14 +0800 | [diff] [blame] | 683 | double pct = rel_stddev_stats(total, avg); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 684 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 685 | if (csv_output) |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 686 | fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); |
Jim Cromie | a1bca6c | 2011-09-07 17:14:02 -0600 | [diff] [blame] | 687 | else if (pct) |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 688 | fprintf(stat_config.output, " ( +-%6.2f%% )", pct); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 689 | } |
| 690 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 691 | static void print_noise(struct perf_evsel *evsel, double avg) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 692 | { |
Jiri Olsa | 581cc8a | 2015-10-16 12:41:03 +0200 | [diff] [blame] | 693 | struct perf_stat_evsel *ps; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 694 | |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 695 | if (run_count == 1) |
| 696 | return; |
| 697 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 698 | ps = evsel->priv; |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 699 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 700 | } |
| 701 | |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 702 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 703 | { |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 704 | switch (stat_config.aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 705 | case AGGR_CORE: |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 706 | fprintf(stat_config.output, "S%d-C%*d%s%*d%s", |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 707 | cpu_map__id_to_socket(id), |
| 708 | csv_output ? 0 : -8, |
| 709 | cpu_map__id_to_cpu(id), |
| 710 | csv_sep, |
| 711 | csv_output ? 0 : 4, |
| 712 | nr, |
| 713 | csv_sep); |
| 714 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 715 | case AGGR_SOCKET: |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 716 | fprintf(stat_config.output, "S%*d%s%*d%s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 717 | csv_output ? 0 : -5, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 718 | id, |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 719 | csv_sep, |
| 720 | csv_output ? 0 : 4, |
| 721 | nr, |
| 722 | csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 723 | break; |
| 724 | case AGGR_NONE: |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 725 | fprintf(stat_config.output, "CPU%*d%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 726 | csv_output ? 0 : -4, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 727 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 728 | break; |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 729 | case AGGR_THREAD: |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 730 | fprintf(stat_config.output, "%*s-%*d%s", |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 731 | csv_output ? 0 : 16, |
| 732 | thread_map__comm(evsel->threads, id), |
| 733 | csv_output ? 0 : -8, |
| 734 | thread_map__pid(evsel->threads, id), |
| 735 | csv_sep); |
| 736 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 737 | case AGGR_GLOBAL: |
Jiri Olsa | 208df99 | 2015-10-16 12:41:04 +0200 | [diff] [blame] | 738 | case AGGR_UNSET: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 739 | default: |
| 740 | break; |
| 741 | } |
| 742 | } |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 743 | |
Andi Kleen | 140aead | 2016-01-30 09:06:49 -0800 | [diff] [blame] | 744 | struct outstate { |
| 745 | FILE *fh; |
| 746 | bool newline; |
Andi Kleen | f948339 | 2016-01-30 09:06:50 -0800 | [diff] [blame] | 747 | const char *prefix; |
Andi Kleen | 92a61f6 | 2016-02-29 14:36:21 -0800 | [diff] [blame] | 748 | int nfields; |
Andi Kleen | 44d49a6 | 2016-02-29 14:36:22 -0800 | [diff] [blame] | 749 | int id, nr; |
| 750 | struct perf_evsel *evsel; |
Andi Kleen | 140aead | 2016-01-30 09:06:49 -0800 | [diff] [blame] | 751 | }; |
| 752 | |
| 753 | #define METRIC_LEN 35 |
| 754 | |
| 755 | static void new_line_std(void *ctx) |
| 756 | { |
| 757 | struct outstate *os = ctx; |
| 758 | |
| 759 | os->newline = true; |
| 760 | } |
| 761 | |
| 762 | static void do_new_line_std(struct outstate *os) |
| 763 | { |
| 764 | fputc('\n', os->fh); |
Andi Kleen | f948339 | 2016-01-30 09:06:50 -0800 | [diff] [blame] | 765 | fputs(os->prefix, os->fh); |
Andi Kleen | 44d49a6 | 2016-02-29 14:36:22 -0800 | [diff] [blame] | 766 | aggr_printout(os->evsel, os->id, os->nr); |
Andi Kleen | 140aead | 2016-01-30 09:06:49 -0800 | [diff] [blame] | 767 | if (stat_config.aggr_mode == AGGR_NONE) |
| 768 | fprintf(os->fh, " "); |
Andi Kleen | 140aead | 2016-01-30 09:06:49 -0800 | [diff] [blame] | 769 | fprintf(os->fh, " "); |
| 770 | } |
| 771 | |
| 772 | static void print_metric_std(void *ctx, const char *color, const char *fmt, |
| 773 | const char *unit, double val) |
| 774 | { |
| 775 | struct outstate *os = ctx; |
| 776 | FILE *out = os->fh; |
| 777 | int n; |
| 778 | bool newline = os->newline; |
| 779 | |
| 780 | os->newline = false; |
| 781 | |
| 782 | if (unit == NULL || fmt == NULL) { |
| 783 | fprintf(out, "%-*s", METRIC_LEN, ""); |
| 784 | return; |
| 785 | } |
| 786 | |
| 787 | if (newline) |
| 788 | do_new_line_std(os); |
| 789 | |
| 790 | n = fprintf(out, " # "); |
| 791 | if (color) |
| 792 | n += color_fprintf(out, color, fmt, val); |
| 793 | else |
| 794 | n += fprintf(out, fmt, val); |
| 795 | fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); |
| 796 | } |
| 797 | |
Andi Kleen | 92a61f6 | 2016-02-29 14:36:21 -0800 | [diff] [blame] | 798 | static void new_line_csv(void *ctx) |
| 799 | { |
| 800 | struct outstate *os = ctx; |
| 801 | int i; |
| 802 | |
| 803 | fputc('\n', os->fh); |
| 804 | if (os->prefix) |
| 805 | fprintf(os->fh, "%s%s", os->prefix, csv_sep); |
Andi Kleen | 44d49a6 | 2016-02-29 14:36:22 -0800 | [diff] [blame] | 806 | aggr_printout(os->evsel, os->id, os->nr); |
Andi Kleen | 92a61f6 | 2016-02-29 14:36:21 -0800 | [diff] [blame] | 807 | for (i = 0; i < os->nfields; i++) |
| 808 | fputs(csv_sep, os->fh); |
| 809 | } |
| 810 | |
| 811 | static void print_metric_csv(void *ctx, |
| 812 | const char *color __maybe_unused, |
| 813 | const char *fmt, const char *unit, double val) |
| 814 | { |
| 815 | struct outstate *os = ctx; |
| 816 | FILE *out = os->fh; |
| 817 | char buf[64], *vals, *ends; |
| 818 | |
| 819 | if (unit == NULL || fmt == NULL) { |
| 820 | fprintf(out, "%s%s%s%s", csv_sep, csv_sep, csv_sep, csv_sep); |
| 821 | return; |
| 822 | } |
| 823 | snprintf(buf, sizeof(buf), fmt, val); |
| 824 | vals = buf; |
| 825 | while (isspace(*vals)) |
| 826 | vals++; |
| 827 | ends = vals; |
| 828 | while (isdigit(*ends) || *ends == '.') |
| 829 | ends++; |
| 830 | *ends = 0; |
| 831 | while (isspace(*unit)) |
| 832 | unit++; |
| 833 | fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); |
| 834 | } |
| 835 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 836 | #define METRIC_ONLY_LEN 20 |
| 837 | |
| 838 | /* Filter out some columns that don't work well in metrics only mode */ |
| 839 | |
| 840 | static bool valid_only_metric(const char *unit) |
| 841 | { |
| 842 | if (!unit) |
| 843 | return false; |
| 844 | if (strstr(unit, "/sec") || |
| 845 | strstr(unit, "hz") || |
| 846 | strstr(unit, "Hz") || |
| 847 | strstr(unit, "CPUs utilized")) |
| 848 | return false; |
| 849 | return true; |
| 850 | } |
| 851 | |
| 852 | static const char *fixunit(char *buf, struct perf_evsel *evsel, |
| 853 | const char *unit) |
| 854 | { |
| 855 | if (!strncmp(unit, "of all", 6)) { |
| 856 | snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel), |
| 857 | unit); |
| 858 | return buf; |
| 859 | } |
| 860 | return unit; |
| 861 | } |
| 862 | |
| 863 | static void print_metric_only(void *ctx, const char *color, const char *fmt, |
| 864 | const char *unit, double val) |
| 865 | { |
| 866 | struct outstate *os = ctx; |
| 867 | FILE *out = os->fh; |
| 868 | int n; |
| 869 | char buf[1024]; |
| 870 | unsigned mlen = METRIC_ONLY_LEN; |
| 871 | |
| 872 | if (!valid_only_metric(unit)) |
| 873 | return; |
| 874 | unit = fixunit(buf, os->evsel, unit); |
| 875 | if (color) |
| 876 | n = color_fprintf(out, color, fmt, val); |
| 877 | else |
| 878 | n = fprintf(out, fmt, val); |
| 879 | if (n > METRIC_ONLY_LEN) |
| 880 | n = METRIC_ONLY_LEN; |
| 881 | if (mlen < strlen(unit)) |
| 882 | mlen = strlen(unit) + 1; |
| 883 | fprintf(out, "%*s", mlen - n, ""); |
| 884 | } |
| 885 | |
| 886 | static void print_metric_only_csv(void *ctx, const char *color __maybe_unused, |
| 887 | const char *fmt, |
| 888 | const char *unit, double val) |
| 889 | { |
| 890 | struct outstate *os = ctx; |
| 891 | FILE *out = os->fh; |
| 892 | char buf[64], *vals, *ends; |
| 893 | char tbuf[1024]; |
| 894 | |
| 895 | if (!valid_only_metric(unit)) |
| 896 | return; |
| 897 | unit = fixunit(tbuf, os->evsel, unit); |
| 898 | snprintf(buf, sizeof buf, fmt, val); |
| 899 | vals = buf; |
| 900 | while (isspace(*vals)) |
| 901 | vals++; |
| 902 | ends = vals; |
| 903 | while (isdigit(*ends) || *ends == '.') |
| 904 | ends++; |
| 905 | *ends = 0; |
| 906 | fprintf(out, "%s%s", vals, csv_sep); |
| 907 | } |
| 908 | |
| 909 | static void new_line_metric(void *ctx __maybe_unused) |
| 910 | { |
| 911 | } |
| 912 | |
| 913 | static void print_metric_header(void *ctx, const char *color __maybe_unused, |
| 914 | const char *fmt __maybe_unused, |
| 915 | const char *unit, double val __maybe_unused) |
| 916 | { |
| 917 | struct outstate *os = ctx; |
| 918 | char tbuf[1024]; |
| 919 | |
| 920 | if (!valid_only_metric(unit)) |
| 921 | return; |
| 922 | unit = fixunit(tbuf, os->evsel, unit); |
| 923 | if (csv_output) |
| 924 | fprintf(os->fh, "%s%s", unit, csv_sep); |
| 925 | else |
| 926 | fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit); |
| 927 | } |
| 928 | |
Andi Kleen | da88c7f | 2014-09-24 13:50:46 -0700 | [diff] [blame] | 929 | 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] | 930 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 931 | FILE *output = stat_config.output; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 932 | double msecs = avg / 1e6; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 933 | const char *fmt_v, *fmt_n; |
David Ahern | 4bbe5a6 | 2013-09-28 14:28:00 -0600 | [diff] [blame] | 934 | char name[25]; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 935 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 936 | fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; |
| 937 | fmt_n = csv_output ? "%s" : "%-25s"; |
| 938 | |
Andi Kleen | da88c7f | 2014-09-24 13:50:46 -0700 | [diff] [blame] | 939 | aggr_printout(evsel, id, nr); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 940 | |
David Ahern | 4bbe5a6 | 2013-09-28 14:28:00 -0600 | [diff] [blame] | 941 | scnprintf(name, sizeof(name), "%s%s", |
| 942 | perf_evsel__name(evsel), csv_output ? "" : " (msec)"); |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 943 | |
| 944 | fprintf(output, fmt_v, msecs, csv_sep); |
| 945 | |
| 946 | if (csv_output) |
| 947 | fprintf(output, "%s%s", evsel->unit, csv_sep); |
| 948 | else |
| 949 | fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); |
| 950 | |
| 951 | fprintf(output, fmt_n, name); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 952 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 953 | if (evsel->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 954 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 955 | } |
| 956 | |
Andi Kleen | 44d49a6 | 2016-02-29 14:36:22 -0800 | [diff] [blame] | 957 | static int first_shadow_cpu(struct perf_evsel *evsel, int id) |
| 958 | { |
| 959 | int i; |
| 960 | |
| 961 | if (!aggr_get_id) |
| 962 | return 0; |
| 963 | |
| 964 | if (stat_config.aggr_mode == AGGR_NONE) |
| 965 | return id; |
| 966 | |
| 967 | if (stat_config.aggr_mode == AGGR_GLOBAL) |
| 968 | return 0; |
| 969 | |
| 970 | for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { |
| 971 | int cpu2 = perf_evsel__cpus(evsel)->map[i]; |
| 972 | |
| 973 | if (aggr_get_id(evsel_list->cpus, cpu2) == id) |
| 974 | return cpu2; |
| 975 | } |
| 976 | return 0; |
| 977 | } |
| 978 | |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 979 | static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
| 980 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 981 | FILE *output = stat_config.output; |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 982 | double sc = evsel->scale; |
| 983 | const char *fmt; |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 984 | |
| 985 | if (csv_output) { |
| 986 | fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; |
| 987 | } else { |
| 988 | if (big_num) |
| 989 | fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; |
| 990 | else |
| 991 | fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; |
| 992 | } |
| 993 | |
| 994 | aggr_printout(evsel, id, nr); |
| 995 | |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 996 | fprintf(output, fmt, avg, csv_sep); |
| 997 | |
| 998 | if (evsel->unit) |
| 999 | fprintf(output, "%-*s%s", |
| 1000 | csv_output ? 0 : unit_width, |
| 1001 | evsel->unit, csv_sep); |
| 1002 | |
| 1003 | fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); |
| 1004 | |
| 1005 | if (evsel->cgrp) |
| 1006 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
Andi Kleen | eedfcb4 | 2015-11-02 17:50:21 -0800 | [diff] [blame] | 1007 | } |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 1008 | |
Andi Kleen | f948339 | 2016-01-30 09:06:50 -0800 | [diff] [blame] | 1009 | static void printout(int id, int nr, struct perf_evsel *counter, double uval, |
Andi Kleen | cb110f4 | 2016-01-30 09:06:51 -0800 | [diff] [blame] | 1010 | char *prefix, u64 run, u64 ena, double noise) |
Andi Kleen | eedfcb4 | 2015-11-02 17:50:21 -0800 | [diff] [blame] | 1011 | { |
Andi Kleen | 140aead | 2016-01-30 09:06:49 -0800 | [diff] [blame] | 1012 | struct perf_stat_output_ctx out; |
Andi Kleen | f948339 | 2016-01-30 09:06:50 -0800 | [diff] [blame] | 1013 | struct outstate os = { |
| 1014 | .fh = stat_config.output, |
Andi Kleen | 44d49a6 | 2016-02-29 14:36:22 -0800 | [diff] [blame] | 1015 | .prefix = prefix ? prefix : "", |
| 1016 | .id = id, |
| 1017 | .nr = nr, |
| 1018 | .evsel = counter, |
Andi Kleen | f948339 | 2016-01-30 09:06:50 -0800 | [diff] [blame] | 1019 | }; |
Andi Kleen | 140aead | 2016-01-30 09:06:49 -0800 | [diff] [blame] | 1020 | print_metric_t pm = print_metric_std; |
| 1021 | void (*nl)(void *); |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 1022 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1023 | if (metric_only) { |
| 1024 | nl = new_line_metric; |
| 1025 | if (csv_output) |
| 1026 | pm = print_metric_only_csv; |
| 1027 | else |
| 1028 | pm = print_metric_only; |
| 1029 | } else |
| 1030 | nl = new_line_std; |
Andi Kleen | eedfcb4 | 2015-11-02 17:50:21 -0800 | [diff] [blame] | 1031 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1032 | if (csv_output && !metric_only) { |
Andi Kleen | 92a61f6 | 2016-02-29 14:36:21 -0800 | [diff] [blame] | 1033 | static int aggr_fields[] = { |
| 1034 | [AGGR_GLOBAL] = 0, |
| 1035 | [AGGR_THREAD] = 1, |
| 1036 | [AGGR_NONE] = 1, |
| 1037 | [AGGR_SOCKET] = 2, |
| 1038 | [AGGR_CORE] = 2, |
| 1039 | }; |
| 1040 | |
| 1041 | pm = print_metric_csv; |
| 1042 | nl = new_line_csv; |
| 1043 | os.nfields = 3; |
| 1044 | os.nfields += aggr_fields[stat_config.aggr_mode]; |
| 1045 | if (counter->cgrp) |
| 1046 | os.nfields++; |
| 1047 | } |
Andi Kleen | b002f3b | 2016-02-17 14:44:00 -0800 | [diff] [blame] | 1048 | if (run == 0 || ena == 0 || counter->counts->scaled == -1) { |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1049 | if (metric_only) { |
| 1050 | pm(&os, NULL, "", "", 0); |
| 1051 | return; |
| 1052 | } |
Andi Kleen | cb110f4 | 2016-01-30 09:06:51 -0800 | [diff] [blame] | 1053 | aggr_printout(counter, id, nr); |
| 1054 | |
| 1055 | fprintf(stat_config.output, "%*s%s", |
| 1056 | csv_output ? 0 : 18, |
| 1057 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
| 1058 | csv_sep); |
| 1059 | |
| 1060 | fprintf(stat_config.output, "%-*s%s", |
| 1061 | csv_output ? 0 : unit_width, |
| 1062 | counter->unit, csv_sep); |
| 1063 | |
| 1064 | fprintf(stat_config.output, "%*s", |
| 1065 | csv_output ? 0 : -25, |
| 1066 | perf_evsel__name(counter)); |
| 1067 | |
| 1068 | if (counter->cgrp) |
| 1069 | fprintf(stat_config.output, "%s%s", |
| 1070 | csv_sep, counter->cgrp->name); |
| 1071 | |
Andi Kleen | 92a61f6 | 2016-02-29 14:36:21 -0800 | [diff] [blame] | 1072 | if (!csv_output) |
| 1073 | pm(&os, NULL, NULL, "", 0); |
| 1074 | print_noise(counter, noise); |
Andi Kleen | cb110f4 | 2016-01-30 09:06:51 -0800 | [diff] [blame] | 1075 | print_running(run, ena); |
Andi Kleen | 92a61f6 | 2016-02-29 14:36:21 -0800 | [diff] [blame] | 1076 | if (csv_output) |
| 1077 | pm(&os, NULL, NULL, "", 0); |
Andi Kleen | cb110f4 | 2016-01-30 09:06:51 -0800 | [diff] [blame] | 1078 | return; |
| 1079 | } |
| 1080 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1081 | if (metric_only) |
| 1082 | /* nothing */; |
| 1083 | else if (nsec_counter(counter)) |
Andi Kleen | eedfcb4 | 2015-11-02 17:50:21 -0800 | [diff] [blame] | 1084 | nsec_printout(id, nr, counter, uval); |
| 1085 | else |
| 1086 | abs_printout(id, nr, counter, uval); |
| 1087 | |
Andi Kleen | 140aead | 2016-01-30 09:06:49 -0800 | [diff] [blame] | 1088 | out.print_metric = pm; |
| 1089 | out.new_line = nl; |
| 1090 | out.ctx = &os; |
| 1091 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1092 | if (csv_output && !metric_only) { |
Andi Kleen | 92a61f6 | 2016-02-29 14:36:21 -0800 | [diff] [blame] | 1093 | print_noise(counter, noise); |
| 1094 | print_running(run, ena); |
| 1095 | } |
| 1096 | |
| 1097 | perf_stat__print_shadow_stats(counter, uval, |
Andi Kleen | 44d49a6 | 2016-02-29 14:36:22 -0800 | [diff] [blame] | 1098 | first_shadow_cpu(counter, id), |
Andi Kleen | 140aead | 2016-01-30 09:06:49 -0800 | [diff] [blame] | 1099 | &out); |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1100 | if (!csv_output && !metric_only) { |
Andi Kleen | 92a61f6 | 2016-02-29 14:36:21 -0800 | [diff] [blame] | 1101 | print_noise(counter, noise); |
| 1102 | print_running(run, ena); |
| 1103 | } |
Jiri Olsa | 556b1fb | 2015-06-03 16:25:56 +0200 | [diff] [blame] | 1104 | } |
| 1105 | |
Andi Kleen | 44d49a6 | 2016-02-29 14:36:22 -0800 | [diff] [blame] | 1106 | static void aggr_update_shadow(void) |
| 1107 | { |
| 1108 | int cpu, s2, id, s; |
| 1109 | u64 val; |
| 1110 | struct perf_evsel *counter; |
| 1111 | |
| 1112 | for (s = 0; s < aggr_map->nr; s++) { |
| 1113 | id = aggr_map->map[s]; |
| 1114 | evlist__for_each(evsel_list, counter) { |
| 1115 | val = 0; |
| 1116 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
| 1117 | s2 = aggr_get_id(evsel_list->cpus, cpu); |
| 1118 | if (s2 != id) |
| 1119 | continue; |
| 1120 | val += perf_counts(counter->counts, cpu, 0)->val; |
| 1121 | } |
| 1122 | val = val * counter->scale; |
| 1123 | perf_stat__update_shadow_stats(counter, &val, |
| 1124 | first_shadow_cpu(counter, id)); |
| 1125 | } |
| 1126 | } |
| 1127 | } |
| 1128 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1129 | static void print_aggr(char *prefix) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1130 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 1131 | FILE *output = stat_config.output; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1132 | struct perf_evsel *counter; |
Kan Liang | 601083c | 2015-07-02 03:08:43 -0400 | [diff] [blame] | 1133 | int cpu, s, s2, id, nr; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1134 | double uval; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1135 | u64 ena, run, val; |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1136 | bool first; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1137 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1138 | if (!(aggr_map || aggr_get_id)) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1139 | return; |
| 1140 | |
Andi Kleen | 44d49a6 | 2016-02-29 14:36:22 -0800 | [diff] [blame] | 1141 | aggr_update_shadow(); |
| 1142 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1143 | /* |
| 1144 | * With metric_only everything is on a single line. |
| 1145 | * Without each counter has its own line. |
| 1146 | */ |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1147 | for (s = 0; s < aggr_map->nr; s++) { |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1148 | if (prefix && metric_only) |
| 1149 | fprintf(output, "%s", prefix); |
| 1150 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1151 | id = aggr_map->map[s]; |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1152 | first = true; |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1153 | evlist__for_each(evsel_list, counter) { |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1154 | val = ena = run = 0; |
| 1155 | nr = 0; |
| 1156 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Kan Liang | 601083c | 2015-07-02 03:08:43 -0400 | [diff] [blame] | 1157 | s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1158 | if (s2 != id) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1159 | continue; |
Jiri Olsa | a6fa003 | 2015-06-26 11:29:11 +0200 | [diff] [blame] | 1160 | val += perf_counts(counter->counts, cpu, 0)->val; |
| 1161 | ena += perf_counts(counter->counts, cpu, 0)->ena; |
| 1162 | run += perf_counts(counter->counts, cpu, 0)->run; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1163 | nr++; |
| 1164 | } |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1165 | if (first && metric_only) { |
| 1166 | first = false; |
| 1167 | aggr_printout(counter, id, nr); |
| 1168 | } |
| 1169 | if (prefix && !metric_only) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1170 | fprintf(output, "%s", prefix); |
| 1171 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1172 | uval = val * counter->scale; |
Andi Kleen | cb110f4 | 2016-01-30 09:06:51 -0800 | [diff] [blame] | 1173 | printout(id, nr, counter, uval, prefix, run, ena, 1.0); |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1174 | if (!metric_only) |
| 1175 | fputc('\n', output); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1176 | } |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1177 | if (metric_only) |
| 1178 | fputc('\n', output); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1179 | } |
| 1180 | } |
| 1181 | |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 1182 | static void print_aggr_thread(struct perf_evsel *counter, char *prefix) |
| 1183 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 1184 | FILE *output = stat_config.output; |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 1185 | int nthreads = thread_map__nr(counter->threads); |
| 1186 | int ncpus = cpu_map__nr(counter->cpus); |
| 1187 | int cpu, thread; |
| 1188 | double uval; |
| 1189 | |
| 1190 | for (thread = 0; thread < nthreads; thread++) { |
| 1191 | u64 ena = 0, run = 0, val = 0; |
| 1192 | |
| 1193 | for (cpu = 0; cpu < ncpus; cpu++) { |
| 1194 | val += perf_counts(counter->counts, cpu, thread)->val; |
| 1195 | ena += perf_counts(counter->counts, cpu, thread)->ena; |
| 1196 | run += perf_counts(counter->counts, cpu, thread)->run; |
| 1197 | } |
| 1198 | |
| 1199 | if (prefix) |
| 1200 | fprintf(output, "%s", prefix); |
| 1201 | |
| 1202 | uval = val * counter->scale; |
Andi Kleen | cb110f4 | 2016-01-30 09:06:51 -0800 | [diff] [blame] | 1203 | printout(thread, 0, counter, uval, prefix, run, ena, 1.0); |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 1204 | fputc('\n', output); |
| 1205 | } |
| 1206 | } |
| 1207 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1208 | /* |
| 1209 | * Print out the results of a single counter: |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1210 | * aggregated counts in system-wide mode |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1211 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1212 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1213 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 1214 | FILE *output = stat_config.output; |
Jiri Olsa | 581cc8a | 2015-10-16 12:41:03 +0200 | [diff] [blame] | 1215 | struct perf_stat_evsel *ps = counter->priv; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1216 | double avg = avg_stats(&ps->res_stats[0]); |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1217 | double uval; |
Andi Kleen | d73515c | 2015-03-11 07:16:27 -0700 | [diff] [blame] | 1218 | double avg_enabled, avg_running; |
| 1219 | |
| 1220 | avg_enabled = avg_stats(&ps->res_stats[1]); |
| 1221 | avg_running = avg_stats(&ps->res_stats[2]); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1222 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1223 | if (prefix && !metric_only) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1224 | fprintf(output, "%s", prefix); |
| 1225 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1226 | uval = avg * counter->scale; |
Andi Kleen | cb110f4 | 2016-01-30 09:06:51 -0800 | [diff] [blame] | 1227 | printout(-1, 0, counter, uval, prefix, avg_running, avg_enabled, avg); |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1228 | if (!metric_only) |
| 1229 | fprintf(output, "\n"); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1230 | } |
| 1231 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1232 | /* |
| 1233 | * Print out the results of a single counter: |
| 1234 | * does not use aggregated count in system-wide |
| 1235 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1236 | static void print_counter(struct perf_evsel *counter, char *prefix) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1237 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 1238 | FILE *output = stat_config.output; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1239 | u64 ena, run, val; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1240 | double uval; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1241 | int cpu; |
| 1242 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 1243 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Jiri Olsa | a6fa003 | 2015-06-26 11:29:11 +0200 | [diff] [blame] | 1244 | val = perf_counts(counter->counts, cpu, 0)->val; |
| 1245 | ena = perf_counts(counter->counts, cpu, 0)->ena; |
| 1246 | run = perf_counts(counter->counts, cpu, 0)->run; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1247 | |
| 1248 | if (prefix) |
| 1249 | fprintf(output, "%s", prefix); |
| 1250 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1251 | uval = val * counter->scale; |
Andi Kleen | cb110f4 | 2016-01-30 09:06:51 -0800 | [diff] [blame] | 1252 | printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1253 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1254 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1255 | } |
| 1256 | } |
| 1257 | |
Andi Kleen | 206cab6 | 2016-03-03 15:57:37 -0800 | [diff] [blame] | 1258 | static void print_no_aggr_metric(char *prefix) |
| 1259 | { |
| 1260 | int cpu; |
| 1261 | int nrcpus = 0; |
| 1262 | struct perf_evsel *counter; |
| 1263 | u64 ena, run, val; |
| 1264 | double uval; |
| 1265 | |
| 1266 | nrcpus = evsel_list->cpus->nr; |
| 1267 | for (cpu = 0; cpu < nrcpus; cpu++) { |
| 1268 | bool first = true; |
| 1269 | |
| 1270 | if (prefix) |
| 1271 | fputs(prefix, stat_config.output); |
| 1272 | evlist__for_each(evsel_list, counter) { |
| 1273 | if (first) { |
| 1274 | aggr_printout(counter, cpu, 0); |
| 1275 | first = false; |
| 1276 | } |
| 1277 | val = perf_counts(counter->counts, cpu, 0)->val; |
| 1278 | ena = perf_counts(counter->counts, cpu, 0)->ena; |
| 1279 | run = perf_counts(counter->counts, cpu, 0)->run; |
| 1280 | |
| 1281 | uval = val * counter->scale; |
| 1282 | printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); |
| 1283 | } |
| 1284 | fputc('\n', stat_config.output); |
| 1285 | } |
| 1286 | } |
| 1287 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1288 | static int aggr_header_lens[] = { |
| 1289 | [AGGR_CORE] = 18, |
| 1290 | [AGGR_SOCKET] = 12, |
Andi Kleen | 206cab6 | 2016-03-03 15:57:37 -0800 | [diff] [blame] | 1291 | [AGGR_NONE] = 6, |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1292 | [AGGR_THREAD] = 24, |
| 1293 | [AGGR_GLOBAL] = 0, |
| 1294 | }; |
| 1295 | |
| 1296 | static void print_metric_headers(char *prefix) |
| 1297 | { |
| 1298 | struct perf_stat_output_ctx out; |
| 1299 | struct perf_evsel *counter; |
| 1300 | struct outstate os = { |
| 1301 | .fh = stat_config.output |
| 1302 | }; |
| 1303 | |
| 1304 | if (prefix) |
| 1305 | fprintf(stat_config.output, "%s", prefix); |
| 1306 | |
| 1307 | if (!csv_output) |
| 1308 | fprintf(stat_config.output, "%*s", |
| 1309 | aggr_header_lens[stat_config.aggr_mode], ""); |
| 1310 | |
| 1311 | /* Print metrics headers only */ |
| 1312 | evlist__for_each(evsel_list, counter) { |
| 1313 | os.evsel = counter; |
| 1314 | out.ctx = &os; |
| 1315 | out.print_metric = print_metric_header; |
| 1316 | out.new_line = new_line_metric; |
| 1317 | os.evsel = counter; |
| 1318 | perf_stat__print_shadow_stats(counter, 0, |
| 1319 | 0, |
| 1320 | &out); |
| 1321 | } |
| 1322 | fputc('\n', stat_config.output); |
| 1323 | } |
| 1324 | |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1325 | static void print_interval(char *prefix, struct timespec *ts) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1326 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 1327 | FILE *output = stat_config.output; |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1328 | static int num_print_interval; |
| 1329 | |
| 1330 | sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); |
| 1331 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1332 | if (num_print_interval == 0 && !csv_output && !metric_only) { |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 1333 | switch (stat_config.aggr_mode) { |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1334 | case AGGR_SOCKET: |
| 1335 | fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); |
| 1336 | break; |
| 1337 | case AGGR_CORE: |
| 1338 | fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); |
| 1339 | break; |
| 1340 | case AGGR_NONE: |
| 1341 | fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); |
| 1342 | break; |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 1343 | case AGGR_THREAD: |
| 1344 | fprintf(output, "# time comm-pid counts %*s events\n", unit_width, "unit"); |
| 1345 | break; |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1346 | case AGGR_GLOBAL: |
| 1347 | default: |
| 1348 | fprintf(output, "# time counts %*s events\n", unit_width, "unit"); |
Jiri Olsa | 208df99 | 2015-10-16 12:41:04 +0200 | [diff] [blame] | 1349 | case AGGR_UNSET: |
| 1350 | break; |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1351 | } |
| 1352 | } |
| 1353 | |
| 1354 | if (++num_print_interval == 25) |
| 1355 | num_print_interval = 0; |
| 1356 | } |
| 1357 | |
| 1358 | static void print_header(int argc, const char **argv) |
| 1359 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 1360 | FILE *output = stat_config.output; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1361 | int i; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1362 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1363 | fflush(stdout); |
| 1364 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1365 | if (!csv_output) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1366 | fprintf(output, "\n"); |
| 1367 | fprintf(output, " Performance counter stats for "); |
David Ahern | 62d3b61 | 2013-09-28 14:27:58 -0600 | [diff] [blame] | 1368 | if (target.system_wide) |
| 1369 | fprintf(output, "\'system wide"); |
| 1370 | else if (target.cpu_list) |
| 1371 | fprintf(output, "\'CPU(s) %s", target.cpu_list); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1372 | else if (!target__has_task(&target)) { |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 1373 | fprintf(output, "\'%s", argv ? argv[0] : "pipe"); |
| 1374 | for (i = 1; argv && (i < argc); i++) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1375 | fprintf(output, " %s", argv[i]); |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 1376 | } else if (target.pid) |
| 1377 | fprintf(output, "process id \'%s", target.pid); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1378 | else |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 1379 | fprintf(output, "thread id \'%s", target.tid); |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 1380 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1381 | fprintf(output, "\'"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1382 | if (run_count > 1) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1383 | fprintf(output, " (%d runs)", run_count); |
| 1384 | fprintf(output, ":\n\n"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1385 | } |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1386 | } |
| 1387 | |
| 1388 | static void print_footer(void) |
| 1389 | { |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 1390 | FILE *output = stat_config.output; |
| 1391 | |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1392 | if (!null_run) |
| 1393 | fprintf(output, "\n"); |
| 1394 | fprintf(output, " %17.9f seconds time elapsed", |
| 1395 | avg_stats(&walltime_nsecs_stats)/1e9); |
| 1396 | if (run_count > 1) { |
| 1397 | fprintf(output, " "); |
| 1398 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), |
| 1399 | avg_stats(&walltime_nsecs_stats)); |
| 1400 | } |
| 1401 | fprintf(output, "\n\n"); |
| 1402 | } |
| 1403 | |
| 1404 | static void print_counters(struct timespec *ts, int argc, const char **argv) |
| 1405 | { |
Jiri Olsa | ec0d3d1 | 2015-07-21 14:31:25 +0200 | [diff] [blame] | 1406 | int interval = stat_config.interval; |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1407 | struct perf_evsel *counter; |
| 1408 | char buf[64], *prefix = NULL; |
| 1409 | |
Jiri Olsa | 664c98d | 2015-11-05 15:40:50 +0100 | [diff] [blame] | 1410 | /* Do not print anything if we record to the pipe. */ |
| 1411 | if (STAT_RECORD && perf_stat.file.is_pipe) |
| 1412 | return; |
| 1413 | |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1414 | if (interval) |
| 1415 | print_interval(prefix = buf, ts); |
| 1416 | else |
| 1417 | print_header(argc, argv); |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 1418 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1419 | if (metric_only) { |
| 1420 | static int num_print_iv; |
| 1421 | |
| 1422 | if (num_print_iv == 0) |
| 1423 | print_metric_headers(prefix); |
| 1424 | if (num_print_iv++ == 25) |
| 1425 | num_print_iv = 0; |
| 1426 | if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) |
| 1427 | fprintf(stat_config.output, "%s", prefix); |
| 1428 | } |
| 1429 | |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 1430 | switch (stat_config.aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1431 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1432 | case AGGR_SOCKET: |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1433 | print_aggr(prefix); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1434 | break; |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 1435 | case AGGR_THREAD: |
| 1436 | evlist__for_each(evsel_list, counter) |
| 1437 | print_aggr_thread(counter, prefix); |
| 1438 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1439 | case AGGR_GLOBAL: |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1440 | evlist__for_each(evsel_list, counter) |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1441 | print_counter_aggr(counter, prefix); |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1442 | if (metric_only) |
| 1443 | fputc('\n', stat_config.output); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1444 | break; |
| 1445 | case AGGR_NONE: |
Andi Kleen | 206cab6 | 2016-03-03 15:57:37 -0800 | [diff] [blame] | 1446 | if (metric_only) |
| 1447 | print_no_aggr_metric(prefix); |
| 1448 | else { |
| 1449 | evlist__for_each(evsel_list, counter) |
| 1450 | print_counter(counter, prefix); |
| 1451 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1452 | break; |
Jiri Olsa | 208df99 | 2015-10-16 12:41:04 +0200 | [diff] [blame] | 1453 | case AGGR_UNSET: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1454 | default: |
| 1455 | break; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1456 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1457 | |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 1458 | if (!interval && !csv_output) |
| 1459 | print_footer(); |
| 1460 | |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 1461 | fflush(stat_config.output); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1462 | } |
| 1463 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1464 | static volatile int signr = -1; |
| 1465 | |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1466 | static void skip_signal(int signo) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1467 | { |
Jiri Olsa | ec0d3d1 | 2015-07-21 14:31:25 +0200 | [diff] [blame] | 1468 | if ((child_pid == -1) || stat_config.interval) |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 1469 | done = 1; |
| 1470 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1471 | signr = signo; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1472 | /* |
| 1473 | * render child_pid harmless |
| 1474 | * won't send SIGTERM to a random |
| 1475 | * process in case of race condition |
| 1476 | * and fast PID recycling |
| 1477 | */ |
| 1478 | child_pid = -1; |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1479 | } |
| 1480 | |
| 1481 | static void sig_atexit(void) |
| 1482 | { |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1483 | sigset_t set, oset; |
| 1484 | |
| 1485 | /* |
| 1486 | * avoid race condition with SIGCHLD handler |
| 1487 | * in skip_signal() which is modifying child_pid |
| 1488 | * goal is to avoid send SIGTERM to a random |
| 1489 | * process |
| 1490 | */ |
| 1491 | sigemptyset(&set); |
| 1492 | sigaddset(&set, SIGCHLD); |
| 1493 | sigprocmask(SIG_BLOCK, &set, &oset); |
| 1494 | |
Chris Wilson | 933da83 | 2009-10-04 01:35:01 +0100 | [diff] [blame] | 1495 | if (child_pid != -1) |
| 1496 | kill(child_pid, SIGTERM); |
| 1497 | |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1498 | sigprocmask(SIG_SETMASK, &oset, NULL); |
| 1499 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1500 | if (signr == -1) |
| 1501 | return; |
| 1502 | |
| 1503 | signal(signr, SIG_DFL); |
| 1504 | kill(getpid(), signr); |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1505 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1506 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1507 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
| 1508 | const char *s __maybe_unused, int unset) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1509 | { |
| 1510 | big_num_opt = unset ? 0 : 1; |
| 1511 | return 0; |
| 1512 | } |
| 1513 | |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 1514 | static const struct option stat_options[] = { |
| 1515 | OPT_BOOLEAN('T', "transaction", &transaction_run, |
| 1516 | "hardware transaction statistics"), |
| 1517 | OPT_CALLBACK('e', "event", &evsel_list, "event", |
| 1518 | "event selector. use 'perf list' to list available events", |
| 1519 | parse_events_option), |
| 1520 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", |
| 1521 | "event filter", parse_filter), |
| 1522 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, |
| 1523 | "child tasks do not inherit counters"), |
| 1524 | OPT_STRING('p', "pid", &target.pid, "pid", |
| 1525 | "stat events on existing process id"), |
| 1526 | OPT_STRING('t', "tid", &target.tid, "tid", |
| 1527 | "stat events on existing thread id"), |
| 1528 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, |
| 1529 | "system-wide collection from all CPUs"), |
| 1530 | OPT_BOOLEAN('g', "group", &group, |
| 1531 | "put the counters into a counter group"), |
| 1532 | OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), |
| 1533 | OPT_INCR('v', "verbose", &verbose, |
| 1534 | "be more verbose (show counter open errors, etc)"), |
| 1535 | OPT_INTEGER('r', "repeat", &run_count, |
| 1536 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
| 1537 | OPT_BOOLEAN('n', "null", &null_run, |
| 1538 | "null run - dont start any counters"), |
| 1539 | OPT_INCR('d', "detailed", &detailed_run, |
| 1540 | "detailed run - start a lot of events"), |
| 1541 | OPT_BOOLEAN('S', "sync", &sync_run, |
| 1542 | "call sync() before starting a run"), |
| 1543 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, |
| 1544 | "print large numbers with thousands\' separators", |
| 1545 | stat__set_big_num), |
| 1546 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", |
| 1547 | "list of cpus to monitor in system-wide"), |
| 1548 | OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, |
| 1549 | "disable CPU count aggregation", AGGR_NONE), |
| 1550 | OPT_STRING('x', "field-separator", &csv_sep, "separator", |
| 1551 | "print counts with custom separator"), |
| 1552 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", |
| 1553 | "monitor event in cgroup name only", parse_cgroups), |
| 1554 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
| 1555 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), |
| 1556 | OPT_INTEGER(0, "log-fd", &output_fd, |
| 1557 | "log output to fd, instead of stderr"), |
| 1558 | OPT_STRING(0, "pre", &pre_cmd, "command", |
| 1559 | "command to run prior to the measured command"), |
| 1560 | OPT_STRING(0, "post", &post_cmd, "command", |
| 1561 | "command to run after to the measured command"), |
| 1562 | OPT_UINTEGER('I', "interval-print", &stat_config.interval, |
| 1563 | "print counts at regular interval in ms (>= 10)"), |
| 1564 | OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, |
| 1565 | "aggregate counts per processor socket", AGGR_SOCKET), |
| 1566 | OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, |
| 1567 | "aggregate counts per physical processor core", AGGR_CORE), |
| 1568 | OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, |
| 1569 | "aggregate counts per thread", AGGR_THREAD), |
| 1570 | OPT_UINTEGER('D', "delay", &initial_delay, |
| 1571 | "ms to wait before starting measurement after program start"), |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 1572 | OPT_BOOLEAN(0, "metric-only", &metric_only, |
| 1573 | "Only print computed metrics. No raw values"), |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 1574 | OPT_END() |
| 1575 | }; |
| 1576 | |
Jiri Olsa | 1fe7a30 | 2015-10-16 12:41:15 +0200 | [diff] [blame] | 1577 | static int perf_stat__get_socket(struct cpu_map *map, int cpu) |
| 1578 | { |
| 1579 | return cpu_map__get_socket(map, cpu, NULL); |
| 1580 | } |
| 1581 | |
| 1582 | static int perf_stat__get_core(struct cpu_map *map, int cpu) |
| 1583 | { |
| 1584 | return cpu_map__get_core(map, cpu, NULL); |
| 1585 | } |
| 1586 | |
Jiri Olsa | 1e5a293 | 2015-10-25 15:51:18 +0100 | [diff] [blame] | 1587 | static int cpu_map__get_max(struct cpu_map *map) |
| 1588 | { |
| 1589 | int i, max = -1; |
| 1590 | |
| 1591 | for (i = 0; i < map->nr; i++) { |
| 1592 | if (map->map[i] > max) |
| 1593 | max = map->map[i]; |
| 1594 | } |
| 1595 | |
| 1596 | return max; |
| 1597 | } |
| 1598 | |
| 1599 | static struct cpu_map *cpus_aggr_map; |
| 1600 | |
| 1601 | static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) |
| 1602 | { |
| 1603 | int cpu; |
| 1604 | |
| 1605 | if (idx >= map->nr) |
| 1606 | return -1; |
| 1607 | |
| 1608 | cpu = map->map[idx]; |
| 1609 | |
| 1610 | if (cpus_aggr_map->map[cpu] == -1) |
| 1611 | cpus_aggr_map->map[cpu] = get_id(map, idx); |
| 1612 | |
| 1613 | return cpus_aggr_map->map[cpu]; |
| 1614 | } |
| 1615 | |
| 1616 | static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) |
| 1617 | { |
| 1618 | return perf_stat__get_aggr(perf_stat__get_socket, map, idx); |
| 1619 | } |
| 1620 | |
| 1621 | static int perf_stat__get_core_cached(struct cpu_map *map, int idx) |
| 1622 | { |
| 1623 | return perf_stat__get_aggr(perf_stat__get_core, map, idx); |
| 1624 | } |
| 1625 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1626 | static int perf_stat_init_aggr_mode(void) |
| 1627 | { |
Jiri Olsa | 1e5a293 | 2015-10-25 15:51:18 +0100 | [diff] [blame] | 1628 | int nr; |
| 1629 | |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 1630 | switch (stat_config.aggr_mode) { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1631 | case AGGR_SOCKET: |
| 1632 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { |
| 1633 | perror("cannot build socket map"); |
| 1634 | return -1; |
| 1635 | } |
Jiri Olsa | 1e5a293 | 2015-10-25 15:51:18 +0100 | [diff] [blame] | 1636 | aggr_get_id = perf_stat__get_socket_cached; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1637 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1638 | case AGGR_CORE: |
| 1639 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { |
| 1640 | perror("cannot build core map"); |
| 1641 | return -1; |
| 1642 | } |
Jiri Olsa | 1e5a293 | 2015-10-25 15:51:18 +0100 | [diff] [blame] | 1643 | aggr_get_id = perf_stat__get_core_cached; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1644 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1645 | case AGGR_NONE: |
| 1646 | case AGGR_GLOBAL: |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 1647 | case AGGR_THREAD: |
Jiri Olsa | 208df99 | 2015-10-16 12:41:04 +0200 | [diff] [blame] | 1648 | case AGGR_UNSET: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1649 | default: |
| 1650 | break; |
| 1651 | } |
Jiri Olsa | 1e5a293 | 2015-10-25 15:51:18 +0100 | [diff] [blame] | 1652 | |
| 1653 | /* |
| 1654 | * The evsel_list->cpus is the base we operate on, |
| 1655 | * taking the highest cpu number to be the size of |
| 1656 | * the aggregation translate cpumap. |
| 1657 | */ |
| 1658 | nr = cpu_map__get_max(evsel_list->cpus); |
| 1659 | cpus_aggr_map = cpu_map__empty_new(nr + 1); |
| 1660 | return cpus_aggr_map ? 0 : -ENOMEM; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1661 | } |
| 1662 | |
Masami Hiramatsu | 544c2ae | 2015-12-09 11:11:27 +0900 | [diff] [blame] | 1663 | static void perf_stat__exit_aggr_mode(void) |
| 1664 | { |
| 1665 | cpu_map__put(aggr_map); |
| 1666 | cpu_map__put(cpus_aggr_map); |
| 1667 | aggr_map = NULL; |
| 1668 | cpus_aggr_map = NULL; |
| 1669 | } |
| 1670 | |
Jiri Olsa | 68d702f | 2015-11-05 15:40:58 +0100 | [diff] [blame] | 1671 | static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) |
| 1672 | { |
| 1673 | int cpu; |
| 1674 | |
| 1675 | if (idx > map->nr) |
| 1676 | return -1; |
| 1677 | |
| 1678 | cpu = map->map[idx]; |
| 1679 | |
| 1680 | if (cpu >= env->nr_cpus_online) |
| 1681 | return -1; |
| 1682 | |
| 1683 | return cpu; |
| 1684 | } |
| 1685 | |
| 1686 | static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) |
| 1687 | { |
| 1688 | struct perf_env *env = data; |
| 1689 | int cpu = perf_env__get_cpu(env, map, idx); |
| 1690 | |
| 1691 | return cpu == -1 ? -1 : env->cpu[cpu].socket_id; |
| 1692 | } |
| 1693 | |
| 1694 | static int perf_env__get_core(struct cpu_map *map, int idx, void *data) |
| 1695 | { |
| 1696 | struct perf_env *env = data; |
| 1697 | int core = -1, cpu = perf_env__get_cpu(env, map, idx); |
| 1698 | |
| 1699 | if (cpu != -1) { |
| 1700 | int socket_id = env->cpu[cpu].socket_id; |
| 1701 | |
| 1702 | /* |
| 1703 | * Encode socket in upper 16 bits |
| 1704 | * core_id is relative to socket, and |
| 1705 | * we need a global id. So we combine |
| 1706 | * socket + core id. |
| 1707 | */ |
| 1708 | core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); |
| 1709 | } |
| 1710 | |
| 1711 | return core; |
| 1712 | } |
| 1713 | |
| 1714 | static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, |
| 1715 | struct cpu_map **sockp) |
| 1716 | { |
| 1717 | return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); |
| 1718 | } |
| 1719 | |
| 1720 | static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, |
| 1721 | struct cpu_map **corep) |
| 1722 | { |
| 1723 | return cpu_map__build_map(cpus, corep, perf_env__get_core, env); |
| 1724 | } |
| 1725 | |
| 1726 | static int perf_stat__get_socket_file(struct cpu_map *map, int idx) |
| 1727 | { |
| 1728 | return perf_env__get_socket(map, idx, &perf_stat.session->header.env); |
| 1729 | } |
| 1730 | |
| 1731 | static int perf_stat__get_core_file(struct cpu_map *map, int idx) |
| 1732 | { |
| 1733 | return perf_env__get_core(map, idx, &perf_stat.session->header.env); |
| 1734 | } |
| 1735 | |
| 1736 | static int perf_stat_init_aggr_mode_file(struct perf_stat *st) |
| 1737 | { |
| 1738 | struct perf_env *env = &st->session->header.env; |
| 1739 | |
| 1740 | switch (stat_config.aggr_mode) { |
| 1741 | case AGGR_SOCKET: |
| 1742 | if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { |
| 1743 | perror("cannot build socket map"); |
| 1744 | return -1; |
| 1745 | } |
| 1746 | aggr_get_id = perf_stat__get_socket_file; |
| 1747 | break; |
| 1748 | case AGGR_CORE: |
| 1749 | if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { |
| 1750 | perror("cannot build core map"); |
| 1751 | return -1; |
| 1752 | } |
| 1753 | aggr_get_id = perf_stat__get_core_file; |
| 1754 | break; |
| 1755 | case AGGR_NONE: |
| 1756 | case AGGR_GLOBAL: |
| 1757 | case AGGR_THREAD: |
| 1758 | case AGGR_UNSET: |
| 1759 | default: |
| 1760 | break; |
| 1761 | } |
| 1762 | |
| 1763 | return 0; |
| 1764 | } |
| 1765 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1766 | /* |
| 1767 | * Add default attributes, if there were no attributes specified or |
| 1768 | * if -d/--detailed, -d -d or -d -d -d is used: |
| 1769 | */ |
| 1770 | static int add_default_attributes(void) |
| 1771 | { |
Andi Kleen | 9dec447 | 2016-02-26 16:27:56 -0800 | [diff] [blame] | 1772 | struct perf_event_attr default_attrs0[] = { |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1773 | |
| 1774 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, |
| 1775 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, |
| 1776 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, |
| 1777 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, |
| 1778 | |
| 1779 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, |
Andi Kleen | 9dec447 | 2016-02-26 16:27:56 -0800 | [diff] [blame] | 1780 | }; |
| 1781 | struct perf_event_attr frontend_attrs[] = { |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1782 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, |
Andi Kleen | 9dec447 | 2016-02-26 16:27:56 -0800 | [diff] [blame] | 1783 | }; |
| 1784 | struct perf_event_attr backend_attrs[] = { |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1785 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, |
Andi Kleen | 9dec447 | 2016-02-26 16:27:56 -0800 | [diff] [blame] | 1786 | }; |
| 1787 | struct perf_event_attr default_attrs1[] = { |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1788 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, |
| 1789 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, |
| 1790 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, |
| 1791 | |
| 1792 | }; |
| 1793 | |
| 1794 | /* |
| 1795 | * Detailed stats (-d), covering the L1 and last level data caches: |
| 1796 | */ |
| 1797 | struct perf_event_attr detailed_attrs[] = { |
| 1798 | |
| 1799 | { .type = PERF_TYPE_HW_CACHE, |
| 1800 | .config = |
| 1801 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1802 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1803 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1804 | |
| 1805 | { .type = PERF_TYPE_HW_CACHE, |
| 1806 | .config = |
| 1807 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1808 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1809 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1810 | |
| 1811 | { .type = PERF_TYPE_HW_CACHE, |
| 1812 | .config = |
| 1813 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1814 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1815 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1816 | |
| 1817 | { .type = PERF_TYPE_HW_CACHE, |
| 1818 | .config = |
| 1819 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1820 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1821 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1822 | }; |
| 1823 | |
| 1824 | /* |
| 1825 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: |
| 1826 | */ |
| 1827 | struct perf_event_attr very_detailed_attrs[] = { |
| 1828 | |
| 1829 | { .type = PERF_TYPE_HW_CACHE, |
| 1830 | .config = |
| 1831 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1832 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1833 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1834 | |
| 1835 | { .type = PERF_TYPE_HW_CACHE, |
| 1836 | .config = |
| 1837 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1838 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1839 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1840 | |
| 1841 | { .type = PERF_TYPE_HW_CACHE, |
| 1842 | .config = |
| 1843 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1844 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1845 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1846 | |
| 1847 | { .type = PERF_TYPE_HW_CACHE, |
| 1848 | .config = |
| 1849 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1850 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1851 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1852 | |
| 1853 | { .type = PERF_TYPE_HW_CACHE, |
| 1854 | .config = |
| 1855 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1856 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1857 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1858 | |
| 1859 | { .type = PERF_TYPE_HW_CACHE, |
| 1860 | .config = |
| 1861 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1862 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1863 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1864 | |
| 1865 | }; |
| 1866 | |
| 1867 | /* |
| 1868 | * Very, very detailed stats (-d -d -d), adding prefetch events: |
| 1869 | */ |
| 1870 | struct perf_event_attr very_very_detailed_attrs[] = { |
| 1871 | |
| 1872 | { .type = PERF_TYPE_HW_CACHE, |
| 1873 | .config = |
| 1874 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1875 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | |
| 1876 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1877 | |
| 1878 | { .type = PERF_TYPE_HW_CACHE, |
| 1879 | .config = |
| 1880 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1881 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | |
| 1882 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1883 | }; |
| 1884 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1885 | /* Set attrs if no event is selected and !null_run: */ |
| 1886 | if (null_run) |
| 1887 | return 0; |
| 1888 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1889 | if (transaction_run) { |
| 1890 | int err; |
| 1891 | if (pmu_have_event("cpu", "cycles-ct") && |
| 1892 | pmu_have_event("cpu", "el-start")) |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 1893 | err = parse_events(evsel_list, transaction_attrs, NULL); |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1894 | else |
Jiri Olsa | a454742 | 2015-06-03 16:25:53 +0200 | [diff] [blame] | 1895 | err = parse_events(evsel_list, transaction_limited_attrs, NULL); |
| 1896 | if (err) { |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1897 | fprintf(stderr, "Cannot set up transaction events\n"); |
| 1898 | return -1; |
| 1899 | } |
| 1900 | return 0; |
| 1901 | } |
| 1902 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1903 | if (!evsel_list->nr_entries) { |
Andi Kleen | 9dec447 | 2016-02-26 16:27:56 -0800 | [diff] [blame] | 1904 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) |
| 1905 | return -1; |
| 1906 | if (pmu_have_event("cpu", "stalled-cycles-frontend")) { |
| 1907 | if (perf_evlist__add_default_attrs(evsel_list, |
| 1908 | frontend_attrs) < 0) |
| 1909 | return -1; |
| 1910 | } |
| 1911 | if (pmu_have_event("cpu", "stalled-cycles-backend")) { |
| 1912 | if (perf_evlist__add_default_attrs(evsel_list, |
| 1913 | backend_attrs) < 0) |
| 1914 | return -1; |
| 1915 | } |
| 1916 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) |
Arnaldo Carvalho de Melo | 50d08e4 | 2011-11-04 09:10:59 -0200 | [diff] [blame] | 1917 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1918 | } |
| 1919 | |
| 1920 | /* Detailed events get appended to the event list: */ |
| 1921 | |
| 1922 | if (detailed_run < 1) |
| 1923 | return 0; |
| 1924 | |
| 1925 | /* Append detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1926 | 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] | 1927 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1928 | |
| 1929 | if (detailed_run < 2) |
| 1930 | return 0; |
| 1931 | |
| 1932 | /* Append very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1933 | 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] | 1934 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1935 | |
| 1936 | if (detailed_run < 3) |
| 1937 | return 0; |
| 1938 | |
| 1939 | /* Append very, very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1940 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1941 | } |
| 1942 | |
Jiri Olsa | 8a59f3c | 2016-01-12 10:35:29 +0100 | [diff] [blame] | 1943 | static const char * const stat_record_usage[] = { |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 1944 | "perf stat record [<options>]", |
| 1945 | NULL, |
| 1946 | }; |
| 1947 | |
Jiri Olsa | 3ba78bd | 2015-11-05 15:40:47 +0100 | [diff] [blame] | 1948 | static void init_features(struct perf_session *session) |
| 1949 | { |
| 1950 | int feat; |
| 1951 | |
| 1952 | for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) |
| 1953 | perf_header__set_feat(&session->header, feat); |
| 1954 | |
| 1955 | perf_header__clear_feat(&session->header, HEADER_BUILD_ID); |
| 1956 | perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); |
| 1957 | perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); |
| 1958 | perf_header__clear_feat(&session->header, HEADER_AUXTRACE); |
| 1959 | } |
| 1960 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 1961 | static int __cmd_record(int argc, const char **argv) |
| 1962 | { |
| 1963 | struct perf_session *session; |
| 1964 | struct perf_data_file *file = &perf_stat.file; |
| 1965 | |
Jiri Olsa | 8a59f3c | 2016-01-12 10:35:29 +0100 | [diff] [blame] | 1966 | argc = parse_options(argc, argv, stat_options, stat_record_usage, |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 1967 | PARSE_OPT_STOP_AT_NON_OPTION); |
| 1968 | |
| 1969 | if (output_name) |
| 1970 | file->path = output_name; |
| 1971 | |
Jiri Olsa | e9d6db8e8 | 2015-11-05 15:40:53 +0100 | [diff] [blame] | 1972 | if (run_count != 1 || forever) { |
| 1973 | pr_err("Cannot use -r option with perf stat record.\n"); |
| 1974 | return -1; |
| 1975 | } |
| 1976 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 1977 | session = perf_session__new(file, false, NULL); |
| 1978 | if (session == NULL) { |
| 1979 | pr_err("Perf session creation failed.\n"); |
| 1980 | return -1; |
| 1981 | } |
| 1982 | |
Jiri Olsa | 3ba78bd | 2015-11-05 15:40:47 +0100 | [diff] [blame] | 1983 | init_features(session); |
| 1984 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 1985 | session->evlist = evsel_list; |
| 1986 | perf_stat.session = session; |
| 1987 | perf_stat.record = true; |
| 1988 | return argc; |
| 1989 | } |
| 1990 | |
Jiri Olsa | a56f939 | 2015-11-05 15:40:59 +0100 | [diff] [blame] | 1991 | static int process_stat_round_event(struct perf_tool *tool __maybe_unused, |
| 1992 | union perf_event *event, |
| 1993 | struct perf_session *session) |
| 1994 | { |
| 1995 | struct stat_round_event *round = &event->stat_round; |
| 1996 | struct perf_evsel *counter; |
| 1997 | struct timespec tsh, *ts = NULL; |
| 1998 | const char **argv = session->header.env.cmdline_argv; |
| 1999 | int argc = session->header.env.nr_cmdline; |
| 2000 | |
| 2001 | evlist__for_each(evsel_list, counter) |
| 2002 | perf_stat_process_counter(&stat_config, counter); |
| 2003 | |
| 2004 | if (round->type == PERF_STAT_ROUND_TYPE__FINAL) |
| 2005 | update_stats(&walltime_nsecs_stats, round->time); |
| 2006 | |
| 2007 | if (stat_config.interval && round->time) { |
| 2008 | tsh.tv_sec = round->time / NSECS_PER_SEC; |
| 2009 | tsh.tv_nsec = round->time % NSECS_PER_SEC; |
| 2010 | ts = &tsh; |
| 2011 | } |
| 2012 | |
| 2013 | print_counters(ts, argc, argv); |
| 2014 | return 0; |
| 2015 | } |
| 2016 | |
Jiri Olsa | 62ba18b | 2015-11-05 15:40:57 +0100 | [diff] [blame] | 2017 | static |
| 2018 | int process_stat_config_event(struct perf_tool *tool __maybe_unused, |
| 2019 | union perf_event *event, |
| 2020 | struct perf_session *session __maybe_unused) |
| 2021 | { |
Jiri Olsa | 68d702f | 2015-11-05 15:40:58 +0100 | [diff] [blame] | 2022 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); |
| 2023 | |
Jiri Olsa | 62ba18b | 2015-11-05 15:40:57 +0100 | [diff] [blame] | 2024 | perf_event__read_stat_config(&stat_config, &event->stat_config); |
Jiri Olsa | 68d702f | 2015-11-05 15:40:58 +0100 | [diff] [blame] | 2025 | |
Jiri Olsa | 89af4e0 | 2015-11-05 15:41:02 +0100 | [diff] [blame] | 2026 | if (cpu_map__empty(st->cpus)) { |
| 2027 | if (st->aggr_mode != AGGR_UNSET) |
| 2028 | pr_warning("warning: processing task data, aggregation mode not set\n"); |
| 2029 | return 0; |
| 2030 | } |
| 2031 | |
| 2032 | if (st->aggr_mode != AGGR_UNSET) |
| 2033 | stat_config.aggr_mode = st->aggr_mode; |
| 2034 | |
Jiri Olsa | 68d702f | 2015-11-05 15:40:58 +0100 | [diff] [blame] | 2035 | if (perf_stat.file.is_pipe) |
| 2036 | perf_stat_init_aggr_mode(); |
| 2037 | else |
| 2038 | perf_stat_init_aggr_mode_file(st); |
| 2039 | |
Jiri Olsa | 62ba18b | 2015-11-05 15:40:57 +0100 | [diff] [blame] | 2040 | return 0; |
| 2041 | } |
| 2042 | |
Jiri Olsa | 1975d36 | 2015-11-05 15:40:56 +0100 | [diff] [blame] | 2043 | static int set_maps(struct perf_stat *st) |
| 2044 | { |
| 2045 | if (!st->cpus || !st->threads) |
| 2046 | return 0; |
| 2047 | |
| 2048 | if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) |
| 2049 | return -EINVAL; |
| 2050 | |
| 2051 | perf_evlist__set_maps(evsel_list, st->cpus, st->threads); |
| 2052 | |
| 2053 | if (perf_evlist__alloc_stats(evsel_list, true)) |
| 2054 | return -ENOMEM; |
| 2055 | |
| 2056 | st->maps_allocated = true; |
| 2057 | return 0; |
| 2058 | } |
| 2059 | |
| 2060 | static |
| 2061 | int process_thread_map_event(struct perf_tool *tool __maybe_unused, |
| 2062 | union perf_event *event, |
| 2063 | struct perf_session *session __maybe_unused) |
| 2064 | { |
| 2065 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); |
| 2066 | |
| 2067 | if (st->threads) { |
| 2068 | pr_warning("Extra thread map event, ignoring.\n"); |
| 2069 | return 0; |
| 2070 | } |
| 2071 | |
| 2072 | st->threads = thread_map__new_event(&event->thread_map); |
| 2073 | if (!st->threads) |
| 2074 | return -ENOMEM; |
| 2075 | |
| 2076 | return set_maps(st); |
| 2077 | } |
| 2078 | |
| 2079 | static |
| 2080 | int process_cpu_map_event(struct perf_tool *tool __maybe_unused, |
| 2081 | union perf_event *event, |
| 2082 | struct perf_session *session __maybe_unused) |
| 2083 | { |
| 2084 | struct perf_stat *st = container_of(tool, struct perf_stat, tool); |
| 2085 | struct cpu_map *cpus; |
| 2086 | |
| 2087 | if (st->cpus) { |
| 2088 | pr_warning("Extra cpu map event, ignoring.\n"); |
| 2089 | return 0; |
| 2090 | } |
| 2091 | |
| 2092 | cpus = cpu_map__new_data(&event->cpu_map.data); |
| 2093 | if (!cpus) |
| 2094 | return -ENOMEM; |
| 2095 | |
| 2096 | st->cpus = cpus; |
| 2097 | return set_maps(st); |
| 2098 | } |
| 2099 | |
Jiri Olsa | 8a59f3c | 2016-01-12 10:35:29 +0100 | [diff] [blame] | 2100 | static const char * const stat_report_usage[] = { |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 2101 | "perf stat report [<options>]", |
| 2102 | NULL, |
| 2103 | }; |
| 2104 | |
| 2105 | static struct perf_stat perf_stat = { |
| 2106 | .tool = { |
| 2107 | .attr = perf_event__process_attr, |
Jiri Olsa | fa6ea78 | 2015-11-05 15:41:00 +0100 | [diff] [blame] | 2108 | .event_update = perf_event__process_event_update, |
Jiri Olsa | 1975d36 | 2015-11-05 15:40:56 +0100 | [diff] [blame] | 2109 | .thread_map = process_thread_map_event, |
| 2110 | .cpu_map = process_cpu_map_event, |
Jiri Olsa | 62ba18b | 2015-11-05 15:40:57 +0100 | [diff] [blame] | 2111 | .stat_config = process_stat_config_event, |
Jiri Olsa | a56f939 | 2015-11-05 15:40:59 +0100 | [diff] [blame] | 2112 | .stat = perf_event__process_stat_event, |
| 2113 | .stat_round = process_stat_round_event, |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 2114 | }, |
Jiri Olsa | 89af4e0 | 2015-11-05 15:41:02 +0100 | [diff] [blame] | 2115 | .aggr_mode = AGGR_UNSET, |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 2116 | }; |
| 2117 | |
| 2118 | static int __cmd_report(int argc, const char **argv) |
| 2119 | { |
| 2120 | struct perf_session *session; |
| 2121 | const struct option options[] = { |
| 2122 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
Jiri Olsa | 89af4e0 | 2015-11-05 15:41:02 +0100 | [diff] [blame] | 2123 | OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, |
| 2124 | "aggregate counts per processor socket", AGGR_SOCKET), |
| 2125 | OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, |
| 2126 | "aggregate counts per physical processor core", AGGR_CORE), |
| 2127 | OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, |
| 2128 | "disable CPU count aggregation", AGGR_NONE), |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 2129 | OPT_END() |
| 2130 | }; |
| 2131 | struct stat st; |
| 2132 | int ret; |
| 2133 | |
Jiri Olsa | 8a59f3c | 2016-01-12 10:35:29 +0100 | [diff] [blame] | 2134 | argc = parse_options(argc, argv, options, stat_report_usage, 0); |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 2135 | |
| 2136 | if (!input_name || !strlen(input_name)) { |
| 2137 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
| 2138 | input_name = "-"; |
| 2139 | else |
| 2140 | input_name = "perf.data"; |
| 2141 | } |
| 2142 | |
| 2143 | perf_stat.file.path = input_name; |
| 2144 | perf_stat.file.mode = PERF_DATA_MODE_READ; |
| 2145 | |
| 2146 | session = perf_session__new(&perf_stat.file, false, &perf_stat.tool); |
| 2147 | if (session == NULL) |
| 2148 | return -1; |
| 2149 | |
| 2150 | perf_stat.session = session; |
| 2151 | stat_config.output = stderr; |
| 2152 | evsel_list = session->evlist; |
| 2153 | |
| 2154 | ret = perf_session__process_events(session); |
| 2155 | if (ret) |
| 2156 | return ret; |
| 2157 | |
| 2158 | perf_session__delete(session); |
| 2159 | return 0; |
| 2160 | } |
| 2161 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 2162 | 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] | 2163 | { |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 2164 | const char * const stat_usage[] = { |
| 2165 | "perf stat [<options>] [<command>]", |
| 2166 | NULL |
| 2167 | }; |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 2168 | int status = -EINVAL, run_idx; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 2169 | const char *mode; |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 2170 | FILE *output = stderr; |
Jiri Olsa | ec0d3d1 | 2015-07-21 14:31:25 +0200 | [diff] [blame] | 2171 | unsigned int interval; |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 2172 | const char * const stat_subcommands[] = { "record", "report" }; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 2173 | |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 2174 | setlocale(LC_ALL, ""); |
| 2175 | |
Namhyung Kim | 334fe7a | 2013-03-11 16:43:12 +0900 | [diff] [blame] | 2176 | evsel_list = perf_evlist__new(); |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 2177 | if (evsel_list == NULL) |
| 2178 | return -ENOMEM; |
| 2179 | |
Wang Nan | 1669e50 | 2016-02-19 11:43:58 +0000 | [diff] [blame] | 2180 | parse_events__shrink_config_terms(); |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 2181 | argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, |
| 2182 | (const char **) stat_usage, |
| 2183 | PARSE_OPT_STOP_AT_NON_OPTION); |
Andi Kleen | fb4605b | 2016-03-01 10:57:52 -0800 | [diff] [blame] | 2184 | perf_stat__init_shadow_stats(); |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 2185 | |
Jiri Olsa | 6edb78a | 2015-11-05 15:41:01 +0100 | [diff] [blame] | 2186 | if (csv_sep) { |
| 2187 | csv_output = true; |
| 2188 | if (!strcmp(csv_sep, "\\t")) |
| 2189 | csv_sep = "\t"; |
| 2190 | } else |
| 2191 | csv_sep = DEFAULT_SEPARATOR; |
| 2192 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 2193 | if (argc && !strncmp(argv[0], "rec", 3)) { |
| 2194 | argc = __cmd_record(argc, argv); |
| 2195 | if (argc < 0) |
| 2196 | return -1; |
Jiri Olsa | ba6039b6 | 2015-11-05 15:40:55 +0100 | [diff] [blame] | 2197 | } else if (argc && !strncmp(argv[0], "rep", 3)) |
| 2198 | return __cmd_report(argc, argv); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 2199 | |
Jiri Olsa | ec0d3d1 | 2015-07-21 14:31:25 +0200 | [diff] [blame] | 2200 | interval = stat_config.interval; |
| 2201 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 2202 | /* |
| 2203 | * For record command the -o is already taken care of. |
| 2204 | */ |
| 2205 | if (!STAT_RECORD && output_name && strcmp(output_name, "-")) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 2206 | output = NULL; |
| 2207 | |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 2208 | if (output_name && output_fd) { |
| 2209 | fprintf(stderr, "cannot use both --output and --log-fd\n"); |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2210 | parse_options_usage(stat_usage, stat_options, "o", 1); |
| 2211 | parse_options_usage(NULL, stat_options, "log-fd", 0); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 2212 | goto out; |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 2213 | } |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 2214 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 2215 | if (metric_only && stat_config.aggr_mode == AGGR_THREAD) { |
| 2216 | fprintf(stderr, "--metric-only is not supported with --per-thread\n"); |
| 2217 | goto out; |
| 2218 | } |
| 2219 | |
Andi Kleen | 54b5091 | 2016-03-03 15:57:36 -0800 | [diff] [blame] | 2220 | if (metric_only && run_count > 1) { |
| 2221 | fprintf(stderr, "--metric-only is not supported with -r\n"); |
| 2222 | goto out; |
| 2223 | } |
| 2224 | |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 2225 | if (output_fd < 0) { |
| 2226 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2227 | parse_options_usage(stat_usage, stat_options, "log-fd", 0); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 2228 | goto out; |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 2229 | } |
| 2230 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 2231 | if (!output) { |
| 2232 | struct timespec tm; |
| 2233 | mode = append_file ? "a" : "w"; |
| 2234 | |
| 2235 | output = fopen(output_name, mode); |
| 2236 | if (!output) { |
| 2237 | perror("failed to create output file"); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 2238 | return -1; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 2239 | } |
| 2240 | clock_gettime(CLOCK_REALTIME, &tm); |
| 2241 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 2242 | } else if (output_fd > 0) { |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 2243 | mode = append_file ? "a" : "w"; |
| 2244 | output = fdopen(output_fd, mode); |
| 2245 | if (!output) { |
| 2246 | perror("Failed opening logfd"); |
| 2247 | return -errno; |
| 2248 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 2249 | } |
| 2250 | |
Jiri Olsa | 5821522 | 2015-07-21 14:31:24 +0200 | [diff] [blame] | 2251 | stat_config.output = output; |
| 2252 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 2253 | /* |
| 2254 | * let the spreadsheet do the pretty-printing |
| 2255 | */ |
| 2256 | if (csv_output) { |
Jim Cromie | 61a9f32 | 2011-09-07 17:14:04 -0600 | [diff] [blame] | 2257 | /* User explicitly passed -B? */ |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 2258 | if (big_num_opt == 1) { |
| 2259 | fprintf(stderr, "-B option not supported with -x\n"); |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2260 | parse_options_usage(stat_usage, stat_options, "B", 1); |
| 2261 | parse_options_usage(NULL, stat_options, "x", 1); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 2262 | goto out; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 2263 | } else /* Nope, so disable big number formatting */ |
| 2264 | big_num = false; |
| 2265 | } else if (big_num_opt == 0) /* User passed --no-big-num */ |
| 2266 | big_num = false; |
| 2267 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 2268 | if (!argc && target__none(&target)) |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2269 | usage_with_options(stat_usage, stat_options); |
David Ahern | ac3063b | 2013-09-30 07:37:37 -0600 | [diff] [blame] | 2270 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 2271 | if (run_count < 0) { |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 2272 | pr_err("Run count must be a positive number\n"); |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2273 | parse_options_usage(stat_usage, stat_options, "r", 1); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 2274 | goto out; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 2275 | } else if (run_count == 0) { |
| 2276 | forever = true; |
| 2277 | run_count = 1; |
| 2278 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 2279 | |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 2280 | if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 2281 | fprintf(stderr, "The --per-thread option is only available " |
| 2282 | "when monitoring via -p -t options.\n"); |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2283 | parse_options_usage(NULL, stat_options, "p", 1); |
| 2284 | parse_options_usage(NULL, stat_options, "t", 1); |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 2285 | goto out; |
| 2286 | } |
| 2287 | |
| 2288 | /* |
| 2289 | * no_aggr, cgroup are for system-wide only |
| 2290 | * --per-thread is aggregated per thread, we dont mix it with cpu mode |
| 2291 | */ |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 2292 | if (((stat_config.aggr_mode != AGGR_GLOBAL && |
| 2293 | stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 2294 | !target__has_cpu(&target)) { |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 2295 | fprintf(stderr, "both cgroup and no-aggregation " |
| 2296 | "modes only available in system-wide mode\n"); |
| 2297 | |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2298 | parse_options_usage(stat_usage, stat_options, "G", 1); |
| 2299 | parse_options_usage(NULL, stat_options, "A", 1); |
| 2300 | parse_options_usage(NULL, stat_options, "a", 1); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 2301 | goto out; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 2302 | } |
| 2303 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 2304 | if (add_default_attributes()) |
| 2305 | goto out; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 2306 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 2307 | target__validate(&target); |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 2308 | |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 2309 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 2310 | if (target__has_task(&target)) { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 2311 | pr_err("Problems finding threads of monitor\n"); |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2312 | parse_options_usage(stat_usage, stat_options, "p", 1); |
| 2313 | parse_options_usage(NULL, stat_options, "t", 1); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 2314 | } else if (target__has_cpu(&target)) { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 2315 | perror("failed to parse CPUs map"); |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2316 | parse_options_usage(stat_usage, stat_options, "C", 1); |
| 2317 | parse_options_usage(NULL, stat_options, "a", 1); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 2318 | } |
| 2319 | goto out; |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 2320 | } |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 2321 | |
| 2322 | /* |
| 2323 | * Initialize thread_map with comm names, |
| 2324 | * so we could print it out on output. |
| 2325 | */ |
Jiri Olsa | 421a50f | 2015-07-21 14:31:22 +0200 | [diff] [blame] | 2326 | if (stat_config.aggr_mode == AGGR_THREAD) |
Jiri Olsa | 32b8af8 | 2015-06-26 11:29:27 +0200 | [diff] [blame] | 2327 | thread_map__read_comms(evsel_list->threads); |
| 2328 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 2329 | if (interval && interval < 100) { |
Kan Liang | 19afd10 | 2015-10-02 05:04:34 -0400 | [diff] [blame] | 2330 | if (interval < 10) { |
| 2331 | pr_err("print interval must be >= 10ms\n"); |
Jiri Olsa | e054731 | 2015-11-05 15:40:45 +0100 | [diff] [blame] | 2332 | parse_options_usage(stat_usage, stat_options, "I", 1); |
Kan Liang | 19afd10 | 2015-10-02 05:04:34 -0400 | [diff] [blame] | 2333 | goto out; |
| 2334 | } else |
| 2335 | pr_warning("print interval < 100ms. " |
| 2336 | "The overhead percentage could be high in some cases. " |
| 2337 | "Please proceed with caution.\n"); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 2338 | } |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 2339 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 2340 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 2341 | goto out; |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 2342 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 2343 | if (perf_stat_init_aggr_mode()) |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 2344 | goto out; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 2345 | |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 2346 | /* |
| 2347 | * We dont want to block the signals - that would cause |
| 2348 | * child tasks to inherit that and Ctrl-C would not work. |
| 2349 | * What we want is for Ctrl-C to work in the exec()-ed |
| 2350 | * task, but being ignored by perf stat itself: |
| 2351 | */ |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 2352 | atexit(sig_atexit); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 2353 | if (!forever) |
| 2354 | signal(SIGINT, skip_signal); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 2355 | signal(SIGCHLD, skip_signal); |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 2356 | signal(SIGALRM, skip_signal); |
| 2357 | signal(SIGABRT, skip_signal); |
| 2358 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 2359 | status = 0; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 2360 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 2361 | if (run_count != 1 && verbose) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 2362 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
| 2363 | run_idx + 1); |
Ingo Molnar | f9cef0a | 2011-04-28 18:17:11 +0200 | [diff] [blame] | 2364 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 2365 | status = run_perf_stat(argc, argv); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 2366 | if (forever && status != -1) { |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 2367 | print_counters(NULL, argc, argv); |
Jiri Olsa | 254ecbc | 2015-06-26 11:29:13 +0200 | [diff] [blame] | 2368 | perf_stat__reset_stats(); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 2369 | } |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 2370 | } |
| 2371 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 2372 | if (!forever && status != -1 && !interval) |
Jiri Olsa | d4f63a4 | 2015-06-26 11:29:26 +0200 | [diff] [blame] | 2373 | print_counters(NULL, argc, argv); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 2374 | |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 2375 | if (STAT_RECORD) { |
| 2376 | /* |
| 2377 | * We synthesize the kernel mmap record just so that older tools |
| 2378 | * don't emit warnings about not being able to resolve symbols |
| 2379 | * due to /proc/sys/kernel/kptr_restrict settings and instear provide |
| 2380 | * a saner message about no samples being in the perf.data file. |
| 2381 | * |
| 2382 | * This also serves to suppress a warning about f_header.data.size == 0 |
Jiri Olsa | 8b99b1a | 2015-11-05 15:40:48 +0100 | [diff] [blame] | 2383 | * in header.c at the moment 'perf stat record' gets introduced, which |
| 2384 | * is not really needed once we start adding the stat specific PERF_RECORD_ |
| 2385 | * records, but the need to suppress the kptr_restrict messages in older |
| 2386 | * tools remain -acme |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 2387 | */ |
| 2388 | int fd = perf_data_file__fd(&perf_stat.file); |
| 2389 | int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, |
| 2390 | process_synthesized_event, |
| 2391 | &perf_stat.session->machines.host); |
| 2392 | if (err) { |
| 2393 | pr_warning("Couldn't synthesize the kernel mmap record, harmless, " |
| 2394 | "older tools may produce warnings about this file\n."); |
| 2395 | } |
| 2396 | |
Jiri Olsa | 7aad0c3 | 2015-11-05 15:40:52 +0100 | [diff] [blame] | 2397 | if (!interval) { |
| 2398 | if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) |
| 2399 | pr_err("failed to write stat round event\n"); |
| 2400 | } |
| 2401 | |
Jiri Olsa | 664c98d | 2015-11-05 15:40:50 +0100 | [diff] [blame] | 2402 | if (!perf_stat.file.is_pipe) { |
| 2403 | perf_stat.session->header.data_size += perf_stat.bytes_written; |
| 2404 | perf_session__write_header(perf_stat.session, evsel_list, fd, true); |
| 2405 | } |
Jiri Olsa | 4979d0c | 2015-11-05 15:40:46 +0100 | [diff] [blame] | 2406 | |
| 2407 | perf_session__delete(perf_stat.session); |
| 2408 | } |
| 2409 | |
Masami Hiramatsu | 544c2ae | 2015-12-09 11:11:27 +0900 | [diff] [blame] | 2410 | perf_stat__exit_aggr_mode(); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 2411 | perf_evlist__free_stats(evsel_list); |
Arnaldo Carvalho de Melo | 0015e2e | 2011-02-01 16:18:10 -0200 | [diff] [blame] | 2412 | out: |
| 2413 | perf_evlist__delete(evsel_list); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 2414 | return status; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 2415 | } |