From e9515c3c9feecd74174c2998add0db51e02abb8d Mon Sep 17 00:00:00 2001
From: Ken Chen <kenchen@google.com>
Date: Mon, 15 Dec 2008 22:04:15 -0800
Subject: [PATCH] sched, cpuacct: export percpu cpuacct cgroup stats

This patch export per-cpu CPU cycle usage for a given cpuacct cgroup.
There is a need for a user space monitor daemon to track group CPU
usage on per-cpu base.  It is also useful for monitoring CFS load
balancer behavior by tracking per CPU group usage.

Signed-off-by: Ken Chen <kenchen@google.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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