Re: [intel-pstate driver regression] processor frequency very high even if in idle

[Srinivas Pandruvada]

On Fri, 2016-04-01 at 16:06 +0200, JÃrg Otte wrote:
> 2016-04-01 14:40 GMT+02:00 Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>:
> > 
> > On Friday, April 01, 2016 11:20:42 AM JÃrg Otte wrote:
> > > 
> > > 2016-03-31 17:43 GMT+02:00 Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>:
> > > > 
> > > > On Thursday, March 31, 2016 05:25:18 PM JÃrg Otte wrote:
> > > > > 
> > > > > 2016-03-31 13:42 GMT+02:00 Rafael J. Wysocki <rjw@xxxxxxxxxxx
> > > > > et>:
> > > > > > 
> > > > > > On Thursday, March 31, 2016 11:05:56 AM JÃrg Otte wrote:
> > > > > > 
[Cut]
> > > > > > 
> Done. Attached the tracer.
> For me it looks like the previous one of the failing case.
> 
The traces show that idle task is constantly running without sleep. The
driver is processing samples for idle task for every 10ms and
aperf/mperf are showing that we are always in turbo mode for idle task.

Need to find out why idle task is not sleeping.

Thanks,
Srinivas



> Thanks, JÃrg