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Message-ID: <37E52D09333DE2469A03574C88DBF40F024EBD69@pdsmsx414.ccr.corp.intel.com> Date: Mon, 18 Aug 2008 14:54:45 +0800 From: "Zhang, Yanmin" <yanmin.zhang@...el.com> To: "Ingo Molnar" <mingo@...e.hu> Cc: <a.p.zijlstra@...llo.nl>, "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org> Subject: RE: scale sysctl_sched_shares_ratelimit with nr_cpus >>-----Original Message----- >>From: Ingo Molnar [mailto:mingo@...e.hu] >>Sent: Monday, August 18, 2008 2:52 PM >>To: Zhang, Yanmin >>Cc: a.p.zijlstra@...llo.nl; Linux Kernel Mailing List >>Subject: Re: scale sysctl_sched_shares_ratelimit with nr_cpus >> >> >>* Zhang, Yanmin <yanmin.zhang@...el.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): [YM] But comparing with 2.6.26, volanoMark result still has about 60% regression. >> >> 55cd534: sched: scale sysctl_sched_shares_ratelimit with nr_cpus >> >> Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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