linux-kernel - Re: [PATCH V2 1/3] x86,idle: Quickly notice prediction failure for repeat mode

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Message-ID: <20120918021514.GA6997@linux-youquan.bj.intel.com>
Date:	Mon, 17 Sep 2012 22:15:15 -0400
From:	Youquan Song <youquan.song@...ux.intel.com>
To:	Rik van Riel <riel@...hat.com>
Cc:	Youquan Song <youquan.song@...el.com>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	arjan@...ux.intel.com, lenb@...nel.org,
	Youquan Song <youquan.song@...ux.intel.com>
Subject: Re: [PATCH V2 1/3] x86,idle: Quickly notice prediction failure for
	repeat mode

> Could I convince you to try out my variation on
> detect_repeating_intervals? :)
>
> http://people.redhat.com/riel/cstate/cstate-stddev-converge.patch
>
> I suspect that small change might help your code adapt to changed
> conditions even faster.

Yes. of course. your patch of cstate-stddev-converge is a good point by
filter some noise first, then calculate further. I will try to integrate
the patch to my patchset, then ask you review tomorrow. 

Thanks
-Youquan

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