On 29/08/16 02:37, Yuyang Du wrote:
> On Tue, Aug 23, 2016 at 04:39:51PM +0100, Dietmar Eggemann wrote:
>> On 23/08/16 15:45, Vincent Guittot wrote:
>>> On 23 August 2016 at 16:13, Peter Zijlstra wrote:
On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
> I still wonder if u
On Tue, Aug 30, 2016 at 03:00:58AM +0800, Yuyang Du wrote:
> On Wed, Aug 24, 2016 at 09:54:35AM +0100, Morten Rasmussen wrote:
> > As Dietmar mentioned already, the 'disconnect' is a feature of the PELT
> > rewrite. Paul and Ben's original implementation had full propagation up
> > and down the hie
On Wed, Aug 24, 2016 at 09:54:35AM +0100, Morten Rasmussen wrote:
> As Dietmar mentioned already, the 'disconnect' is a feature of the PELT
> rewrite. Paul and Ben's original implementation had full propagation up
> and down the hierarchy. IIRC, one of the key points of the rewrite was
> more 'stab
On Tue, Aug 23, 2016 at 04:39:51PM +0100, Dietmar Eggemann wrote:
> On 23/08/16 15:45, Vincent Guittot wrote:
> > On 23 August 2016 at 16:13, Peter Zijlstra wrote:
> >> On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
> >>> I still wonder if using a flat util hierarchy is the right
On 24 August 2016 at 10:54, Morten Rasmussen wrote:
> On Tue, Aug 23, 2016 at 04:45:57PM +0200, Vincent Guittot wrote:
>> On 23 August 2016 at 16:13, Peter Zijlstra wrote:
>> > On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
>> >> I still wonder if using a flat util hierarchy is
On Tue, Aug 23, 2016 at 04:45:57PM +0200, Vincent Guittot wrote:
> On 23 August 2016 at 16:13, Peter Zijlstra wrote:
> > On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
> >> I still wonder if using a flat util hierarchy is the right solution to
> >> solve this problem with utiliza
Hi Vincent,
On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
> I still wonder if using a flat util hierarchy is the right solution to
> solve this problem with utilization and task group. I have noticed
> exact same issues with load that generates weird task placement
> decision an
On Tue, Aug 23, 2016 at 04:13:41PM +0200, Peter Zijlstra wrote:
> On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
> > I still wonder if using a flat util hierarchy is the right solution to
> > solve this problem with utilization and task group. I have noticed
> > exact same issues
On 23/08/16 15:45, Vincent Guittot wrote:
> On 23 August 2016 at 16:13, Peter Zijlstra wrote:
>> On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
>>> I still wonder if using a flat util hierarchy is the right solution to
>>> solve this problem with utilization and task group. I hav
On 23 August 2016 at 16:13, Peter Zijlstra wrote:
> On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
>> I still wonder if using a flat util hierarchy is the right solution to
>> solve this problem with utilization and task group. I have noticed
>> exact same issues with load that g
On Tue, Aug 23, 2016 at 03:28:19PM +0200, Vincent Guittot wrote:
> I still wonder if using a flat util hierarchy is the right solution to
> solve this problem with utilization and task group. I have noticed
> exact same issues with load that generates weird task placement
> decision and i think tha
On 23 August 2016 at 01:26, Yuyang Du wrote:
>
> Hi Peter and others,
>
> Could you give this patchset a look?
Hi Yuyang,
I still wonder if using a flat util hierarchy is the right solution to
solve this problem with utilization and task group. I have noticed
exact same issues with load that gen
Hi Peter and others,
Could you give this patchset a look?
Thanks,
Yuyang
On Wed, Aug 10, 2016 at 08:23:52AM +0800, Yuyang Du wrote:
> On Wed, Aug 10, 2016 at 08:14:45AM +0800, Yuyang Du wrote:
> > Hi Peter,
> >
> > I should have sent out my flat util hierarchy implementation long time ago,
> >
Hi Peter,
I should have sent out my flat util hierarchy implementation long time ago,
actually code was there but not rebased. I finally have time to do this,
so here it is. There are also other proposals to solve migrated tasks' util
mobility problem, such as the ones from Dietmar and Vincent.
T
On Wed, Aug 10, 2016 at 08:14:45AM +0800, Yuyang Du wrote:
> Hi Peter,
>
> I should have sent out my flat util hierarchy implementation long time ago,
> actually code was there but not rebased. I finally have time to do this,
> so here it is. There are also other proposals to solve migrated tasks'
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