Re: [RFC PATCH] Turn off the tick even when not idle

From: Anton Blanchard
Date: Thu Sep 03 2009 - 01:20:14 EST

Hi Josh,

> The following patch (not for application any time soon) hacks away the
> timer interrupt even when not idle, by triggering the nohz mechanism
> even if not running the idle task.

Nice :) I tested it on a ppc64 box, and threw the graphs up here:

With the patch applied, we saw only one interruption in the 10 second window
I measured.

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