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From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: Dhaval Giani <dhaval@linux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Adrian Bunk <bunk@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Balbir Singh <balbir@in.ibm.com>, Ingo Molnar <mingo@elte.hu>
Subject: Re: 2.6.25-rc3-git3: Reported regressions from 2.6.24
Date: Wed, 05 Mar 2008 09:19:16 +0530	[thread overview]
Message-ID: <47CE183C.7040105@linux.vnet.ibm.com> (raw)
In-Reply-To: <1204682782.3248.189.camel@ymzhang>

Zhang, Yanmin wrote:
> On Tue, 2008-03-04 at 16:57 +0530, Dhaval Giani wrote:
>>> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=9978
>>> Subject		: 2.6.25-rc1: volanoMark 45% regression
>>> Submitter	: Zhang, Yanmin <yanmin_zhang@linux.intel.com>
>>> Date		: 2008-02-13 10:30
>>> References	: http://lkml.org/lkml/2008/2/13/128
>>> Handled-By	: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
>>> 		  Balbir Singh <balbir@linux.vnet.ibm.com>
>>  
>> Peter's revert of the load balance patches should fix this one. Yanmin,
>> could you please confirm if the patch at
>> http://lkml.org/lkml/2008/2/25/202 helps?
> I tested it against 2.6.25-rc3 on my 16-core tigerton machine. It really improves
> volano result although it doesn't recover all the result.
> Comparing with 2.6.24, without the patch, volanoMark has about 50% regression
> with 2.6.25-rc3. With the patch, volanoMark has about 15% regression.
> 

Have you had a chance to git-bisect the culprit after the revert?

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL

  reply	other threads:[~2008-03-05  3:50 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-03  2:16 2.6.25-rc3-git3: Reported regressions from 2.6.24 Rafael J. Wysocki
2008-03-03  7:53 ` Ingo Molnar
2008-03-03 11:41   ` Rafael J. Wysocki
2008-03-04  7:36 ` Pekka Enberg
2008-03-04 11:17 ` Pavel Machek
2008-03-04 13:59   ` Ingo Molnar
2008-03-04 23:00     ` Rafael J. Wysocki
2008-03-04 11:27 ` Dhaval Giani
2008-03-05  2:06   ` Zhang, Yanmin
2008-03-05  3:49     ` Balbir Singh [this message]
2008-03-05  5:15       ` Zhang, Yanmin
2008-03-05  6:36         ` Balbir Singh
2008-03-05  6:56         ` Ingo Molnar
2008-03-05  7:13           ` Zhang, Yanmin
2008-03-05  6:26     ` Zhang, Yanmin
2008-03-06  7:27 ` Ingo Molnar
2008-03-06 19:55   ` Guennadi Liakhovetski
2008-03-06 20:11     ` Andrew Morton
2008-03-06 20:51       ` Andrew Morton
2008-03-06 20:59         ` Ingo Molnar
2008-03-06 21:36           ` Andrew Morton
2008-03-06 22:57             ` Andrew Morton
2008-03-06 23:13               ` Suresh Siddha
2008-03-06 23:24                 ` Andrew Morton
2008-03-06 20:51     ` Greg KH
2008-03-06 17:57 ` Tilman Schmidt
2008-03-06 20:25   ` Rafael J. Wysocki

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