linux-kernel - Re: [PATCH 2/2] sched: next buddy hint on sleep and preempt path -v2

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Message-ID: <4DA8BC96.6090804@redhat.com>
Date:	Fri, 15 Apr 2011 17:45:58 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Venkatesh Pallipadi <venki@...gle.com>
CC:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, Paul Turner <pjt@...gle.com>,
	Mike Galbraith <efault@....de>
Subject: Re: [PATCH 2/2] sched: next buddy hint on sleep and preempt path
 -v2

On 04/14/2011 01:30 PM, Venkatesh Pallipadi wrote:

> A simple (may be extreme case) benchmark I tried was tbench with 2 tbench
> client processes with 2 threads each running on a single CPU. Avg throughput
> across 5 50 sec runs was -
> BEFORE: 105.84 MB/sec
> AFTER: 112.42 MB/sec
>
> Signed-off-by: Venkatesh Pallipadi<venki@...gle.com>

Those performance numbers and the general idea sure get my

Acked-by: Rik van Riel <riel@...hat.com>

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