From: Robert Richter <robert.richter@amd.com>
Date: Mon, 2 Apr 2012 18:19:15 +0000 (+0200)
Subject: perf/x86-ibs: Extend hw period that triggers overflow
X-Git-Tag: v3.5-rc1~141^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7caaf4d8241feecafb87919402b0a6dbb1b71d9e;p=pandora-kernel.git

perf/x86-ibs: Extend hw period that triggers overflow

If the last hw period is too short we might hit the irq handler which
biases the results. Thus try to have a max last period that triggers
the sw overflow.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1333390758-10893-10-git-send-email-robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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