Re: Only 1 cpu scheduled in 4.2.0

2015-09-02 Thread Martin van Es
On Wed, Sep 2, 2015 at 1:44 PM, Mike Galbraith wrote: > On Wed, 2015-09-02 at 13:35 +0200, Martin van Es wrote: >> On Wed, Sep 2, 2015 at 12:50 PM, Mike Galbraith >> wrote: >> > On Wed, 2015-09-02 at 11:38 +0200, Martin van Es wrote: >> >> Hi, >> >> >> >> I recently compiled 4.2.0 based on my pre

Re: Only 1 cpu scheduled in 4.2.0

2015-09-02 Thread Mike Galbraith
On Wed, 2015-09-02 at 13:35 +0200, Martin van Es wrote: > On Wed, Sep 2, 2015 at 12:50 PM, Mike Galbraith > 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 co

Re: Only 1 cpu scheduled in 4.2.0

2015-09-02 Thread Martin van Es
On Wed, Sep 2, 2015 at 12:50 PM, Mike Galbraith 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? Y

Re: Only 1 cpu scheduled in 4.2.0

2015-09-02 Thread Mike Galbraith
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? -Mike -- To unsubscribe from this list: send the line "u

Only 1 cpu scheduled in 4.2.0

2015-09-02 Thread Martin van Es
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. This new 4.2.0 kernel however only schedules cpu0 on my 4 cpu i7-3537U (which is actually 2 cores x 2HT, as far as I understand the specs). CPU1 is scheduled for 0.5% now an