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Message-Id: <1204281534.6243.75.camel@lappy> Date: Fri, 29 Feb 2008 11:38:54 +0100 From: Peter Zijlstra <a.p.zijlstra@...llo.nl> To: Paul Menage <menage@...gle.com> Cc: Dhaval Giani <dhaval@...ux.vnet.ibm.com>, vatsa@...ux.vnet.ibm.com, balbir@...ux.vnet.ibm.com, mingo@...e.hu, linux-kernel@...r.kernel.org, akpm@...ux-foundation.org, skumar@...ux.vnet.ibm.com Subject: Re: [patch 2/2] sched: allow cpuacct stats to be reset On Fri, 2008-02-29 at 02:08 -0800, Paul Menage wrote: > On Thu, Feb 28, 2008 at 10:04 PM, Dhaval Giani > <dhaval@...ux.vnet.ibm.com> wrote: > > On Thu, Feb 28, 2008 at 09:48:51PM -0800, Paul Menage wrote: > > > > > On Thu, Feb 28, 2008 at 8:32 PM, Dhaval Giani <dhaval@...ux.vnet.ibm.com> wrote: > > > > > > > > Can I suggest, in order to be more generic, that this patch instead > > > set each CPU's counter to the written value divided by the number of > > > CPUs? (Either forgetting the remainder, or spreading it among the > > > first few CPUs). > > > > > > > This patch is only allowing a reset of the stats. In what sort of a > > situation would one be looking for changing the usage value? > > How about Checkpoint/Restart? Shouldn't that be a kernel side thing? And from the kernel you can put back any value you fancy. -- 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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