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>
This commit is contained in:
parent
15d2b9956b
commit
36e33c53f4
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@ -677,10 +677,46 @@ static void process_event(struct perf_script *script __maybe_unused, union perf_
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static struct scripting_ops *scripting_ops;
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static void __process_stat(struct perf_evsel *counter, u64 tstamp)
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{
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int nthreads = thread_map__nr(counter->threads);
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int ncpus = perf_evsel__nr_cpus(counter);
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int cpu, thread;
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static int header_printed;
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if (counter->system_wide)
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nthreads = 1;
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if (!header_printed) {
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printf("%3s %8s %15s %15s %15s %15s %s\n",
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"CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
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header_printed = 1;
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}
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for (thread = 0; thread < nthreads; thread++) {
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for (cpu = 0; cpu < ncpus; cpu++) {
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struct perf_counts_values *counts;
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counts = perf_counts(counter->counts, cpu, thread);
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printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
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counter->cpus->map[cpu],
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thread_map__pid(counter->threads, thread),
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counts->val,
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counts->ena,
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counts->run,
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tstamp,
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perf_evsel__name(counter));
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}
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}
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}
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static void process_stat(struct perf_evsel *counter, u64 tstamp)
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{
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if (scripting_ops && scripting_ops->process_stat)
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scripting_ops->process_stat(&stat_config, counter, tstamp);
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else
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__process_stat(counter, tstamp);
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}
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static void process_stat_interval(u64 tstamp)
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