Messages in this thread | | | Subject | RE: scale sysctl_sched_shares_ratelimit with nr_cpus | Date | Mon, 18 Aug 2008 14:54:45 +0800 | From | "Zhang, Yanmin" <> |
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>>-----Original Message----- >>From: Ingo Molnar [mailto:mingo@elte.hu] >>Sent: Monday, August 18, 2008 2:52 PM >>To: Zhang, Yanmin >>Cc: a.p.zijlstra@chello.nl; Linux Kernel Mailing List >>Subject: Re: scale sysctl_sched_shares_ratelimit with nr_cpus >> >> >>* 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): [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
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