From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 10 Jun 2009 13:03:06 +0000 (+0200)
Subject: perf_counter tools: Small frequency related fixes
X-Git-Tag: v2.6.31-rc1~383^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4502d77c1d8f15f20c04b92cb96c12d4e465de29;p=pandora-kernel.git

perf_counter tools: Small frequency related fixes

Create the counter in a disabled state and only enable it after we
mmap() the buffer, this allows us to see the first few samples (and
observe the frequency ramp).

Furthermore, print the period in the verbose report.

Signed-off-by: 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>
---

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