From: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
To: miaox@cn.fujitsu.com
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: VolanoMark regression with 2.6.27-rc1
Date: Fri, 01 Aug 2008 11:08:37 +0800 [thread overview]
Message-ID: <1217560117.25608.171.camel@ymzhang> (raw)
In-Reply-To: <4892765F.5020401@cn.fujitsu.com>
On Fri, 2008-08-01 at 10:35 +0800, Miao Xie wrote:
> on 2008-8-1 8:39 Zhang, Yanmin wrote:
> [snip]
> >> The regression I reported exists on:
> >> 1) 8-core+HT(totally 16 logical processor) tulsa: 40% regression with volano, 8% with oltp;
> >> 2) 8-core+HT Montvale Itanium: 9% regression with volano; 8% with oltp;
> >> 3) 16-core tigerton: %70 with volano, %18 with oltp;
> >> 4) 8-core stoakley: %15 with oltp, testing failed with volanoMark.
> >>
> >> So the issues are popular on different architectures.
> > I know kernel needs the features and it might not be a good idea to reject them over and over again.
> > I will collect more data on tigerton and try to optimize it.
>
> Could you tell me the exact config options? the same with last time?
Yes.
>
> as follows:
>
> # CONFIG_CGROUPS is not set
> CONFIG_GROUP_SCHED=y
> CONFIG_FAIR_GROUP_SCHED=y
> # CONFIG_RT_GROUP_SCHED is not set
> CONFIG_USER_SCHED=y
> # CONFIG_CGROUP_SCHED is not set
next prev parent reply other threads:[~2008-08-01 3:11 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-31 3:20 Zhang, Yanmin
2008-07-31 7:31 ` Zhang, Yanmin
2008-07-31 7:39 ` Peter Zijlstra
2008-07-31 7:49 ` Zhang, Yanmin
2008-08-01 0:39 ` Zhang, Yanmin
2008-08-01 2:35 ` Miao Xie
2008-08-01 3:08 ` Zhang, Yanmin [this message]
2008-08-01 5:14 ` Dhaval Giani
2008-08-04 5:04 ` Zhang, Yanmin
2008-08-04 5:22 ` Dhaval Giani
2008-08-04 5:37 ` Zhang, Yanmin
2008-08-04 5:53 ` Dhaval Giani
2008-08-04 6:26 ` Peter Zijlstra
2008-08-04 6:26 ` Peter Zijlstra
2008-08-04 7:05 ` Dhaval Giani
2008-08-04 7:12 ` Peter Zijlstra
2030-08-06 3:26 ` Zhang, Yanmin
2008-08-08 7:30 ` Peter Zijlstra
[not found] ` <20080811185008.GA29291@linux.vnet.ibm.com>
[not found] ` <1912726331.25608.235.camel@ymzhang>
[not found] ` <20080817115035.GA32223@linux.vnet.ibm.com>
[not found] ` <20080818052155.GA5063@linux.vnet.ibm.com>
2008-08-20 7:24 ` Zhang, Yanmin
2008-08-20 7:41 ` Peter Zijlstra
2008-08-20 10:51 ` Ingo Molnar
2008-08-20 13:32 ` Peter Zijlstra
2008-08-20 13:47 ` Ingo Molnar
2008-08-21 2:25 ` Zhang, Yanmin
2008-08-21 6:16 ` Ingo Molnar
2008-08-21 6:48 ` Zhang, Yanmin
2008-08-29 3:35 ` Zhang, Yanmin
2008-08-29 3:38 ` Zhang, Yanmin
2008-08-20 14:32 ` adobriyan
2008-08-20 14:33 ` Peter Zijlstra
2008-08-20 15:10 ` Nick Piggin
2008-08-20 15:15 ` Peter Zijlstra
2008-08-20 16:29 ` Ray Lee
2008-08-20 16:51 ` Peter Zijlstra
2008-08-20 17:21 ` Peter Zijlstra
2008-08-20 17:55 ` Nick Piggin
2008-08-20 18:15 ` Ray Lee
2008-08-20 20:30 ` Peter Zijlstra
2008-08-20 20:56 ` Peter Zijlstra
2008-08-21 6:11 ` Nick Piggin
2008-08-21 8:17 ` Peter Zijlstra
2008-08-21 6:15 ` Ingo Molnar
2008-08-20 20:58 ` Ray Lee
2008-08-20 21:04 ` Peter Zijlstra
2008-08-21 6:12 ` Ingo Molnar
2030-08-13 8:50 ` Zhang, Yanmin
2008-08-04 6:54 ` Peter Zijlstra
2008-08-15 15:37 ` Ingo Molnar
2008-08-01 12:25 ` Hugh Dickins
2008-08-04 0:54 ` Zhang, Yanmin
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