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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-12-01 17:53:27 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-12-01 18:22:50 -0200 |
| commit | 201e0b06efee80ce090579aa165c65c3d0836d95 (patch) | |
| tree | 0e9d0697167f6ce53ff78bfb8339fd7c4e483e33 /tools/perf/Documentation/perf-lock.txt | |
| parent | 8c207692fc8fa3ea1a5ff97ad698efb09a81975a (diff) | |
perf stat: Use --big-num format by default
[acme@mica linux]$ perf stat ls > /dev/null
Performance counter stats for 'ls':
1.512532 task-clock-msecs # 0.801 CPUs
2 context-switches # 0.001 M/sec
0 CPU-migrations # 0.000 M/sec
241 page-faults # 0.159 M/sec
2,973,331 cycles # 1965.797 M/sec
1,460,802 instructions # 0.491 IPC
314,642 branches # 208.023 M/sec
18,475 branch-misses # 5.872 %
<not counted> cache-references
<not counted> cache-misses
0.001887676 seconds time elapsed
To get the previous behaviour just use --no-big-num:
[acme@mica linux]$ perf stat --no-big-num ls > /dev/null
Performance counter stats for 'ls':
1.468014 task-clock-msecs # 0.795 CPUs
1 context-switches # 0.001 M/sec
0 CPU-migrations # 0.000 M/sec
241 page-faults # 0.164 M/sec
2900254 cycles # 1975.631 M/sec
1437991 instructions # 0.496 IPC
310905 branches # 211.786 M/sec
17912 branch-misses # 5.761 %
<not counted> cache-references
<not counted> cache-misses
0.001845435 seconds time elapsed
[acme@mica linux]$
Suggested-by: Ingo Molnar <mingo@elte.hu>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-lock.txt')
0 files changed, 0 insertions, 0 deletions