From: Yan, Zheng <zheng.z.yan@intel.com>
Date: Fri, 15 Jun 2012 06:31:34 +0000 (+0800)
Subject: perf/x86: Add generic Intel uncore PMU support
X-Git-Tag: v3.6-rc1~167^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=087bfbb032691262f2f7d52b910652450c5554b8;p=pandora-kernel.git

perf/x86: Add generic Intel uncore PMU support

This patch adds the generic Intel uncore PMU support, including helper
functions that add/delete uncore events, a hrtimer that periodically
polls the counters to avoid overflow and code that places all events
for a particular socket onto a single cpu.

The code design is based on the structure of Sandy Bridge-EP's uncore
subsystem, which consists of a variety of components, each component
contains one or more "boxes".

(Tooling support follows in the next patches.)

Signed-off-by: Zheng Yan <zheng.z.yan@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1339741902-8449-6-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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