linux-kernel - Re: [patch v4 05/18] sched: quicker balancing on fork/exec/wake

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Message-ID: <511CEFDD.9080709@intel.com>
Date:	Thu, 14 Feb 2013 22:08:29 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Preeti U Murthy <preeti@...ux.vnet.ibm.com>
CC:	Peter Zijlstra <peterz@...radead.org>,
	torvalds@...ux-foundation.org, mingo@...hat.com,
	tglx@...utronix.de, akpm@...ux-foundation.org,
	arjan@...ux.intel.com, bp@...en8.de, pjt@...gle.com,
	namhyung@...nel.org, efault@....de, vincent.guittot@...aro.org,
	gregkh@...uxfoundation.org, viresh.kumar@...aro.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch v4 05/18] sched: quicker balancing on fork/exec/wake

On 02/14/2013 04:12 PM, Preeti U Murthy wrote:
> **************************START PATCH*************************************
> 
> sched:Improve balancing for fork/exec/wake tasks

Can you test the patch with hackbench and aim7 with 2000 threads? plus
the patch in the tip:core/locking tree:

  3a15e0e0cdda rwsem: Implement writer lock-stealing for better scalability

If it works you may find some improvement.

-- 
Thanks
    Alex
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