[lkml]   [2008]   [Oct]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: sched: deep power-saving states
On Wed, 22 Oct 2008 21:49:52 +0200
Peter Zijlstra <> 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

Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,

 \ /
  Last update: 2008-10-22 21:57    [W:0.040 / U:1.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site