linux-kernel - [PATCH v3 0/6] per cgroup /proc/stat statistics

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Date:	Wed, 30 May 2012 13:48:31 +0400
From:	Glauber Costa <glommer@...allels.com>
To:	<linux-kernel@...r.kernel.org>
Cc:	<cgroups@...r.kernel.org>, <devel@...nvz.org>,
	Paul Turner <pjt@...gle.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Tejun Heo <tj@...nel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>, handai.szj@...il.com,
	Andrew.Phillips@...x.com, Serge Hallyn <serge.hallyn@...onical.com>
Subject: [PATCH v3 0/6] per cgroup /proc/stat statistics

Hi

This is a rework of my v2 series taking into account Paul
Turner's comments. All the series is the same except for
the patch that collets nr_switches that is now completely reworked.

It is out of schedule(), relegated to a scheduler hook. Only difference
from Paul's suggestion is that I added a new one, instead of messing with
put_prev_task + pick_next_task pairs. In the patchset that adds it,
I'll try to argue for my solution.

Hope this is acceptable, and please let me know of any other concerns.

v2:
* completely reworked nr_switches gathering
* separated per-se sleep_start to be more clear about it

Glauber Costa (6):
  measure exec_clock for rt sched entities
  account guest time per-cgroup as well.
  expose fine-grained per-cpu data for cpuacct stats
  add a new scheduler hook for context switch
  Also record sleep start for a task group
  expose per-taskgroup schedstats in cgroup

 include/linux/sched.h |    1 +
 kernel/sched/core.c   |  166 +++++++++++++++++++++++++++++++++++++++++++++++--
 kernel/sched/fair.c   |   42 ++++++++++++-
 kernel/sched/rt.c     |   20 ++++++
 kernel/sched/sched.h  |    6 ++
 5 files changed, 228 insertions(+), 7 deletions(-)

-- 
1.7.10.2

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