Re: [PATCH 1/2] sched/uclamp: Add a new sysctl to control RT default boost value

From: Qais Yousef
Date: Fri May 29 2020 - 12:06:06 EST


On 05/29/20 17:02, Mel Gorman wrote:
> On Fri, May 29, 2020 at 04:11:18PM +0100, Qais Yousef wrote:
> > > Elsewhere in the thread, I showed some results based on 5.7 so uclamp
> > > task group existed but I had it disabled. The uclamp related parts of
> > > the kconfig were
> > >
> > > # zgrep UCLAMP kconfig-5.7.0-rc7-with-clamp.txt.gz
> > > CONFIG_UCLAMP_TASK=y
> > > CONFIG_UCLAMP_BUCKETS_COUNT=5
> > > # CONFIG_UCLAMP_TASK_GROUP is not set
> >
> > So you never had the TASK_GROUP part enabled when you noticed the regression?
>
> Correct.
>
> > Or is it the other way around, you just disabled CONFIG_UCLAMP_TASK_GROUP to
> > 'fix' it?
> >
>
> I disabled CONFIG_UCLAMP_TASK to "fix" it.

Okay. That eliminates one thing out at least.

Thanks

--
Qais Yousef