linux-kernel - Re: Only 1 cpu scheduled in 4.2.0

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Message-ID: <1441194274.4163.17.camel@gmail.com>
Date:	Wed, 02 Sep 2015 13:44:34 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Martin van Es <mrvanes@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Only 1 cpu scheduled in 4.2.0

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@...il.com> 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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