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Message-ID: <1405499224.5872.38.camel@marge.simpson.net>
Date:	Wed, 16 Jul 2014 10:27:04 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	bsegall@...gle.com
Cc:	Yuyang Du <yuyang.du@...el.com>, mingo@...hat.com,
	peterz@...radead.org, linux-kernel@...r.kernel.org, pjt@...gle.com,
	arjan.van.de.ven@...el.com, len.brown@...el.com,
	rafael.j.wysocki@...el.com, alan.cox@...el.com,
	mark.gross@...el.com, fengguang.wu@...el.com
Subject: Re: [PATCH 2/2 v2] sched: Rewrite per entity runnable load average
 tracking

On Tue, 2014-07-15 at 10:27 -0700, bsegall@...gle.com wrote:

> It would still be good to see pipe_test numbers at various cgroup depths.

My t^Hcrusty ole box seems to be saying.. 

cgexec -g cpu:a pipe-test 1
3.16.0-default         5.016373 usecs/loop -- avg 5.021115 398.3 KHz
3.16.0-default+tim     5.003933 usecs/loop -- avg 4.986591 401.1 KHz

cgexec -g cpu:a/b pipe-test 1
3.16.0-default         5.543566 usecs/loop -- avg 5.565475 359.4 KHz
3.16.0-default+tim     5.663404 usecs/loop -- avg 5.647020 354.2 KHz

cgexec -g cpu:a/b/c pipe-test 1
3.16.0-default         6.092256 usecs/loop -- avg 6.094186 328.2 KHz
3.16.0-default+tim     6.311192 usecs/loop -- avg 6.299077 317.5 KHz

..that 0 KHz will become easier to achieve.

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