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Message-ID: <00000139457cd7a4-6dc13b06-c387-4c5e-9297-121c9cde6c39-000000@email.amazonses.com> Date: Mon, 20 Aug 2012 19:22:53 +0000 From: Christoph Lameter <cl@...ux.com> To: Matthew Garrett <mjg59@...f.ucam.org> cc: Arjan van de Ven <arjan@...ux.intel.com>, Alex Shi <alex.shi@...el.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Suresh Siddha <suresh.b.siddha@...el.com>, vincent.guittot@...aro.org, svaidy@...ux.vnet.ibm.com, Ingo Molnar <mingo@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [discussion]sched: a rough proposal to enable power saving in scheduler On Mon, 20 Aug 2012, Matthew Garrett wrote: > On Mon, Aug 20, 2012 at 03:47:54PM +0000, Christoph Lameter wrote: > > > So please make sure that there are obvious and easy ways to switch this > > stuff off or provide "low latency" know that keeps the system from > > assuming that idle time means that full performance is not needed. > > That seems like an issue for cpuidle, not the scheduler. Does pm_qos not > already do what you want? Dont know. A simple solution is not to compile power management into the kernel. -- 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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