From: Paul Mackerras <paulus@samba.org>
Date: Tue, 30 Jun 2009 06:07:19 +0000 (+1000)
Subject: perf_counter: Provide a way to enable counters on exec
X-Git-Tag: v2.6.31-rc2~30^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=57e7986ed142417498155ebcd5eaf617ac37136d;p=pandora-kernel.git

perf_counter: Provide a way to enable counters on exec

This provides a way to mark a counter to be enabled on the next
exec. This is useful for measuring the total activity of a
program without including overhead from the process that
launches it.

This also changes the perf stat command to use this new
facility.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <19017.43927.838745.689203@cargo.ozlabs.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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