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From: Rik van Riel <riel@redhat.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	lenb@kernel.org, mingo@elte.hu, yanmin_zhang@linux.intel.com,
	jens.axboe@oracle.com, Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Subject: Re: [PATCH v2] cpuidle: Fix the menu governor to boost IO performance
Date: Tue, 15 Sep 2009 01:03:51 -0400	[thread overview]
Message-ID: <4AAF2037.1030300@redhat.com> (raw)
In-Reply-To: <20090915054259.5282e5ba@infradead.org>

Arjan van de Ven wrote:

> 		no cstates	current linux	new algorithm
> 1 disk		107 Mb/s	85 Mb/s		105 Mb/s
> 2 disks		215 Mb/s	123 Mb/s	209 Mb/s
> 12 disks	590 Mb/s	320 Mb/s	585 Mb/s

That is huge!  Should this go into -stable too?

> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
> Cc: Len Brown <lenb@kernel.org>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Cc: Yanmin Zhang <yanmin_zhang@linux.intel.com>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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

-- 
All rights reversed.

  parent reply	other threads:[~2009-09-15  5:07 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-15  3:42 [PATCH v2] cpuidle: Fix the menu governor to boost IO performance Arjan van de Ven
2009-09-15  3:54 ` Andrew Morton
2009-09-15  4:15   ` Arjan van de Ven
2009-09-15  4:18     ` Arjan van de Ven
2009-09-15  5:03 ` Rik van Riel [this message]
2009-09-15 23:23 ` Andrew Morton
2009-09-16  4:35   ` Arjan van de Ven
2009-09-17 13:39   ` Arjan van de Ven
2009-11-04  9:39 ` Corrado Zoccolo
2009-11-08 20:40   ` Arjan van de Ven
2009-11-08 21:59     ` Corrado Zoccolo
2009-11-08 22:30       ` Arjan van de Ven
2009-11-09 13:29         ` Corrado Zoccolo
2009-11-08 22:39       ` Arjan van de Ven

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