From: Mike Galbraith <efault@gmx.de>
Date: Fri, 23 Jan 2009 13:36:16 +0000 (+0100)
Subject: perfcounters: ratelimit performance counter interrupts
X-Git-Tag: v2.6.31-rc1~383^2~522
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b39fd96855254a244f71245b41a91cdecb87d63;p=pandora-kernel.git

perfcounters: ratelimit performance counter interrupts

Ratelimit performance counter interrupts to 100KHz per CPU.

This replaces the irq-delta-time based method.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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