Re: Interrupt latency on some 945GM platforms

[Sitsofe Wheeler]

On Tue, Sep 14, 2010 at 03:29:48PM +0300, Vasily Khoruzhick wrote:
> Ð ÑÐÐÐÑÐÐÐÐ ÐÑ 14 of September 2010 12:52:57 ÐÐÑÐÑ Thomas Gleixner ÐÐÐÐÑÐÐ:
> > Can you try with NOHZ enabled and the following on the kernel command line:
> > 
> >     processor.max_cstate=1
> 
> It works in this case (gears in glxgears move smoothly)
>  
> > If that works, then try
> > 
> >     processor.max_cstate=2
> > 
> 
> Nope, it doesn't work with max_cstate=2

Perhaps intel_idle is being used? Any mention of it in dmesg?

-- 
Sitsofe | http://sucs.org/~sits/
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