Re: KS/Plumbers: c-state governor BOF

[Rik van Riel]

On 09/12/2012 12:15 AM, Youquan Song wrote:
> > Your patches could make a lot of sense when integrated with my
> > patches:
> >
> > http://people.redhat.com/riel/cstate/
> > However, we should probably get the tracepoint upstream first,
> > so we can know for sure :)
>
> I can not access the patches at this directory. Can you send it to me?
> I will look at your patches and then integrated with my patches to look
> what will happen tomorrow.

Argh, fixed!

> Do you have test case share? or ideas how to show the benefit.
>
> I have done many test for my pathes. It show some benefit big or small
> in various cases, but there is no negative effect showed at least.
>
> I have two onviced test cases to show the great benefit
> 1.  turbostat v1 (before 3.5)
> 2. I write the simple test application which also show greate benefit.
> running it by #./idle_predict -l 8
>
>
> I write a simple application using usleep which it is clear to the
> repeat mode prediction failure will greatly effect the application with
> such repeat pattern.

Your test looks exactly like the kind of thing that could benefit
from my changes to the menu governor :)

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