tree 7ebae71e6ef94d3bb95e43b4b2735c378f217449
parent fde953c1c67986e1c381fa50d8207b1578b5cefa
author Ingo Molnar <mingo@elte.hu> 1246075830 +0200
committer Ingo Molnar <mingo@elte.hu> 1246075884 +0200

perf stat: Add -n/--null option to run without counters

Allow a no-counters run. This can be useful to measure just
elapsed wall-clock time - or to assess the raw overhead of perf
stat itself, without running any counters.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>