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From: Ingo Molnar <mingo@elte.hu>
To: "Zhang, Yanmin" <yanmin.zhang@intel.com>
Cc: a.p.zijlstra@chello.nl,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: scale sysctl_sched_shares_ratelimit with nr_cpus
Date: Mon, 18 Aug 2008 08:52:20 +0200	[thread overview]
Message-ID: <20080818065220.GA2711@elte.hu> (raw)
In-Reply-To: <37E52D09333DE2469A03574C88DBF40F024EBD2F@pdsmsx414.ccr.corp.intel.com>


* Zhang, Yanmin <yanmin.zhang@intel.com> wrote:

> Ingo,
> 
> My linux mailbox is locked, so I send from my another mail box.
> 
> I tested the patch of scale sysctl_sched_shares_ratelimit with nr_cpus 
> on 16-core tigerton by volanoMark. CONFIG_GROUP_SCHED=y. Comparing 
> with pure 2.6.27-rc3, the patched kernel has about 15% improvement, 
> and it seems volanoMark runs more smoothly with the patched kernel.

cool. It's already upstream (post-rc3 commit):

  55cd534: sched: scale sysctl_sched_shares_ratelimit with nr_cpus

	Ingo

       reply	other threads:[~2008-08-18  6:52 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <37E52D09333DE2469A03574C88DBF40F024EBD2F@pdsmsx414.ccr.corp.intel.com>
2008-08-18  6:52 ` Ingo Molnar [this message]
2008-08-18  6:54   ` scale sysctl_sched_shares_ratelimit with nr_cpus Zhang, Yanmin
2008-08-18  7:01     ` Ingo Molnar
2008-08-18  8:26       ` Zhang, Yanmin
2008-08-18  8:42         ` Ingo Molnar
2008-08-18  8:45           ` Zhang, Yanmin

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