From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Fri, 15 May 2009 13:19:28 +0000 (+0200)
Subject: perf_counter: frequency based adaptive irq_period
X-Git-Tag: v2.6.31-rc1~383^2~268
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=60db5e09c13109b13830cc9dcae688003fd39e79;p=pandora-kernel.git

perf_counter: frequency based adaptive irq_period

Instead of specifying the irq_period for a counter, provide a target interrupt
frequency and dynamically adapt the irq_period to match this frequency.

[ Impact: new perf-counter attribute/feature ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <20090515132018.646195868@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

Reading git-diff-tree failed