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Re: volanoMark regression with kernel 2.6.26-rc1

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From: Srivatsa Vaddagiri <vatsa@...>
To: Zhang, Yanmin <yanmin_zhang@...>
Cc: Dhaval Giani <dhaval@...>, Peter Zijlstra <a.p.zijlstra@...>, LKML <linux-kernel@...>, Ingo Molnar <mingo@...>, Aneesh Kumar KV <aneesh.kumar@...>
Subject: Re: volanoMark regression with kernel 2.6.26-rc1
Date: Monday, May 12, 2008 - 12:52 am

On Mon, May 12, 2008 at 11:33:20AM +0800, Zhang, Yanmin wrote:

This for confirming my observation. It seems much better than the 50% regression
reported earlier (with 2.6.26-rc1 and CONFIG_USER_SCHED).

Ideally we should get same results with CONFIG_USER_SCHED also (in
2.6.26-rc1). That needs some work in load balance code. Till that is
tackled, IMHO we can retain all the current code by either:

1. Disabling CONFIG_GROUP_SCHED (or better)
2. Enable CONFIG_GROUP_SCHED and CONFIG_CGROUP_SCHED

Ingo/Peter, What's your opinion?

-- 
Regards,
vatsa
--
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Messages in current thread:
volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Mon May 5, 10:06 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Wed May 7, 1:42 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 1:21 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 1:39 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 2:03 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Ingo Molnar, (Wed May 7, 5:17 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Wed May 7, 1:34 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 1:20 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Thu May 8, 2:43 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 1:34 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Wed May 7, 2:58 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 2:07 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Wed May 7, 5:33 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Andrew Morton, (Wed May 7, 3:04 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Tue May 6, 7:52 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Wed May 7, 1:33 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 1:18 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 1:40 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Thu May 8, 1:53 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 2:04 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Thu May 8, 2:11 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Fri May 9, 11:52 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Sun May 11, 9:39 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Sun May 11, 10:37 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Sun May 11, 11:33 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Mon May 12, 12:52 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Mon May 12, 1:02 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Mike Galbraith, (Mon May 12, 5:04 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Mon May 12, 5:20 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Wed May 14, 9:44 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Wed May 14, 11:12 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Thu May 15, 4:20 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Peter Zijlstra, (Thu May 15, 4:41 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Thu May 15, 1:10 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Mike Galbraith, (Wed May 14, 10:50 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Wed May 14, 5:22 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Mon May 12, 1:43 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Sun May 11, 10:04 pm)
Re: volanoMark regression with kernel 2.6.26-rc1, Srivatsa Vaddagiri, (Fri May 9, 11:54 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Dhaval Giani, (Thu May 8, 1:32 am)
Re: volanoMark regression with kernel 2.6.26-rc1, Zhang, Yanmin, (Tue May 6, 1:41 am)