On Thu, 13 Dec 2018 at 14:12, Peter Zijlstra wrote:
>
> On Thu, Dec 13, 2018 at 12:04:20PM +0100, Vincent Guittot wrote:
> > On Thu, 13 Dec 2018 at 11:44, Peter Zijlstra wrote:
> > >
> > > On Mon, Sep 10, 2018 at 04:43:09PM +0200, Vincent Guittot wrote:
> > > > When CPUs have different capacity b
On Thu, Dec 13, 2018 at 12:04:20PM +0100, Vincent Guittot wrote:
> On Thu, 13 Dec 2018 at 11:44, Peter Zijlstra wrote:
> >
> > On Mon, Sep 10, 2018 at 04:43:09PM +0200, Vincent Guittot wrote:
> > > When CPUs have different capacity because of RT/DL tasks or
> > > micro-architecture or max frequenc
On Thu, 13 Dec 2018 at 11:44, Peter Zijlstra wrote:
>
> On Mon, Sep 10, 2018 at 04:43:09PM +0200, Vincent Guittot wrote:
> > When CPUs have different capacity because of RT/DL tasks or
> > micro-architecture or max frequency differences, there are situation where
> > the imbalance is not correctly
On Mon, Sep 10, 2018 at 04:43:09PM +0200, Vincent Guittot wrote:
> When CPUs have different capacity because of RT/DL tasks or
> micro-architecture or max frequency differences, there are situation where
> the imbalance is not correctly set to migrate waiting task on the idle CPU.
>
> The UC uses
Hi Peter, Ingo,
On Fri, 14 Sep 2018 at 18:26, Vincent Guittot
wrote:
>
> On Fri, 14 Sep 2018 at 05:22, Valentin Schneider
> wrote:
> >
> > Hi,
> >
> > On 10/09/18 07:43, Vincent Guittot wrote:
> > > When CPUs have different capacity because of RT/DL tasks or
> > > micro-architecture or max frequ
On Fri, 14 Sep 2018 at 05:22, Valentin Schneider
wrote:
>
> Hi,
>
> On 10/09/18 07:43, Vincent Guittot wrote:
> > When CPUs have different capacity because of RT/DL tasks or
> > micro-architecture or max frequency differences, there are situation where
> > the imbalance is not correctly set to mig
Hi,
On 10/09/18 07:43, Vincent Guittot wrote:
> When CPUs have different capacity because of RT/DL tasks or
> micro-architecture or max frequency differences, there are situation where
> the imbalance is not correctly set to migrate waiting task on the idle CPU.
>
> The UC uses the force_balance
When CPUs have different capacity because of RT/DL tasks or
micro-architecture or max frequency differences, there are situation where
the imbalance is not correctly set to migrate waiting task on the idle CPU.
The UC uses the force_balance case :
if (env->idle != CPU_NOT_IDLE && group_has
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