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| author |   Jiri Olsa <jolsa@kernel.org> | 2016-01-06 11:49:56 +0100 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-01-06 20:11:16 -0300 |
| commit | 36e33c53f4b693d96fb8dd4529fe14306d4e3e76 (patch) | |
| tree | c97fe9b5b64d133c4384c4c8f359543ae43888a4 /tools/perf | |
| parent | perf cpumap: Fix cpu conversion in cpu_map__from_entries (diff) | |
| download | linux-dev-36e33c53f4b693d96fb8dd4529fe14306d4e3e76.tar.xz linux-dev-36e33c53f4b693d96fb8dd4529fe14306d4e3e76.zip | |
perf script: Display stat events by default
If no script is specified for stat data, display stat events in raw
form.
$ perf stat record ls
SNIP
Performance counter stats for 'ls':
0.851585 task-clock (msec) # 0.717 CPUs utilized
0 context-switches # 0.000 K/sec
0 cpu-migrations # 0.000 K/sec
114 page-faults # 0.134 M/sec
2,620,918 cycles # 3.078 GHz
<not supported> stalled-cycles-frontend
<not supported> stalled-cycles-backend
2,714,111 instructions # 1.04 insns per cycle
542,434 branches # 636.970 M/sec
15,946 branch-misses # 2.94% of all branches
0.001186954 seconds time elapsed
$ perf script
CPU THREAD VAL ENA RUN TIME EVENT
-1 26185 851585 851585 851585 1186954 task-clock
-1 26185 0 851585 851585 1186954 context-switches
-1 26185 0 851585 851585 1186954 cpu-migrations
-1 26185 114 851585 851585 1186954 page-faults
-1 26185 2620918 853340 853340 1186954 cycles
-1 26185 0 0 0 1186954 stalled-cycles-frontend
-1 26185 0 0 0 1186954 stalled-cycles-backend
-1 26185 2714111 853340 853340 1186954 instructions
-1 26185 542434 853340 853340 1186954 branches
-1 26185 15946 853340 853340 1186954 branch-misses
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1452077397-31958-3-git-send-email-jolsa@kernel.org
[ Rename 'time' parameter to 'tstamp' to fix build on older distros ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-script.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 5e1865408aa5..5e2f9d20a296 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -677,10 +677,46 @@ static void process_event(struct perf_script *script __maybe_unused, union perf_ static struct scripting_ops *scripting_ops; +static void __process_stat(struct perf_evsel *counter, u64 tstamp) +{ + int nthreads = thread_map__nr(counter->threads); + int ncpus = perf_evsel__nr_cpus(counter); + int cpu, thread; + static int header_printed; + + if (counter->system_wide) + nthreads = 1; + + if (!header_printed) { + printf("%3s %8s %15s %15s %15s %15s %s\n", + "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); + header_printed = 1; + } + + for (thread = 0; thread < nthreads; thread++) { + for (cpu = 0; cpu < ncpus; cpu++) { + struct perf_counts_values *counts; + + counts = perf_counts(counter->counts, cpu, thread); + + printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", + counter->cpus->map[cpu], + thread_map__pid(counter->threads, thread), + counts->val, + counts->ena, + counts->run, + tstamp, + perf_evsel__name(counter)); + } + } +} + static void process_stat(struct perf_evsel *counter, u64 tstamp) { if (scripting_ops && scripting_ops->process_stat) scripting_ops->process_stat(&stat_config, counter, tstamp); + else + __process_stat(counter, tstamp); } static void process_stat_interval(u64 tstamp) |