Messages in this thread | | | Date | Wed, 22 Oct 2008 12:55:08 -0700 | From | Arjan van de Ven <> | Subject | Re: sched: deep power-saving states |
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On Wed, 22 Oct 2008 21:49:52 +0200 Peter Zijlstra <peterz@infradead.org> wrote: > > This still leaves us with the worst case IRQ response as given by the > deepest C state. Which might be un-desirable.
that's a different problem in a different problem space. > > jcm was, once upon a time, working on dynamically changing the idle > routine, so that people who care about wakeup latency can run > idle=poll while their application runs, and the acpi C state stuff > when nobody cares. > > This could of course then be tied into the PM QoS stuff Mark has been > doing.
in fact you already have this *exactly* today; this isn't future technology.
-- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org
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