On Tue, 11 Sep 2007 11:25:31 -0700
Andrew Morton <[email protected]> wrote:
>
> dmesg without the cpuidle patch:
> http://userweb.kernel.org/~akpm/dmesg-bad.txt dmesg with the cpuidle
> patch: http://userweb.kernel.org/~akpm/dmesg-good.txt difference:
> http://userweb.kernel.org/~akpm/dmesg-diff.txt
>
> there doesn't seem to be a lot of difference in the time handling,
> except there are large changes in when things happen in the bootup
> sequence.
powertop can show you which C-states are actually used; it could be a
theory that in the working case the deeper C-states aren't used (which
then means lapic keeps working etc)...
powertop would show this change ....
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