Messages in this thread | | | Date | Wed, 11 Apr 2007 11:06:59 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.21-rc6-mm1 |
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On Wed, 11 Apr 2007 12:39:05 +0200 Andi Kleen <ak@suse.de> wrote:
> > The next kernel patch for Perfmon will not make use of the idle notification > > anymore on any platform. > > What do you use instead? > > I've been actually thinking to add idle notifier support to oprofile to correct > for the "perfctr doesn't tick in idle" issue which makes numbers not add up to 100%. > A lot of people are currently running idle=poll to work around this and that is very > wasteful.
There was some plan to be able to switch idle handlers at runtime, so one can select idle=poll just during oprofile operation. I'm not sure what happened to that idea. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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