Re: Only 1 cpu scheduled in 4.2.0

From: Mike Galbraith
Date: Wed Sep 02 2015 - 07:44:41 EST


On Wed, 2015-09-02 at 13:35 +0200, Martin van Es wrote:
> On Wed, Sep 2, 2015 at 12:50 PM, Mike Galbraith
> <umgwanakikbuti@xxxxxxxxx> wrote:
> > On Wed, 2015-09-02 at 11:38 +0200, Martin van Es wrote:
> >> Hi,
> >>
> >> I recently compiled 4.2.0 based on my previous 4.1.6 config (make oldconfig).
> >> On 4.1.6 all cores are equally scheduled.
> >
> > Do you have CONFIG_NO_HZ_FULL_ALL enabled?
>
> Yes, that's enabled.

Turn it off and you'll get your CPUs back.

-Mike

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