On Fri, Sep 29, 2017 at 01:38:53PM +0200, Peter Zijlstra wrote:
> On Fri, Sep 29, 2017 at 10:04:34AM +0100, Morten Rasmussen wrote:
>
> > > - load = scale_load_down(cfs_rq->load.weight);
> > > + load = max(scale_load_down(cfs_rq->load.weight), cfs_rq->avg.load_avg);
> >
> > We use
On Fri, Sep 29, 2017 at 01:38:53PM +0200, Peter Zijlstra wrote:
> On Fri, Sep 29, 2017 at 10:04:34AM +0100, Morten Rasmussen wrote:
>
> > > - load = scale_load_down(cfs_rq->load.weight);
> > > + load = max(scale_load_down(cfs_rq->load.weight), cfs_rq->avg.load_avg);
> >
> > We use
On Fri, Sep 29, 2017 at 10:04:34AM +0100, Morten Rasmussen wrote:
> > - load = scale_load_down(cfs_rq->load.weight);
> > + load = max(scale_load_down(cfs_rq->load.weight), cfs_rq->avg.load_avg);
>
> We use cfs_rq->tg_load_avg_contrib (the filtered version of
> cfs_rq->avg.load_avg) instead
On Fri, Sep 29, 2017 at 10:04:34AM +0100, Morten Rasmussen wrote:
> > - load = scale_load_down(cfs_rq->load.weight);
> > + load = max(scale_load_down(cfs_rq->load.weight), cfs_rq->avg.load_avg);
>
> We use cfs_rq->tg_load_avg_contrib (the filtered version of
> cfs_rq->avg.load_avg) instead
On Fri, Sep 01, 2017 at 03:21:02PM +0200, Peter Zijlstra wrote:
> Vincent reported that when running in a cgroup, his root
> cfs_rq->avg.load_avg dropped to 0 on task idle.
>
> This is because reweight_entity() will now immediately propagate the
> weight change of the group entity to its cfs_rq,
On Fri, Sep 01, 2017 at 03:21:02PM +0200, Peter Zijlstra wrote:
> Vincent reported that when running in a cgroup, his root
> cfs_rq->avg.load_avg dropped to 0 on task idle.
>
> This is because reweight_entity() will now immediately propagate the
> weight change of the group entity to its cfs_rq,
Vincent reported that when running in a cgroup, his root
cfs_rq->avg.load_avg dropped to 0 on task idle.
This is because reweight_entity() will now immediately propagate the
weight change of the group entity to its cfs_rq, and as it happens,
our approxmation (5) for calc_cfs_shares() results in 0
Vincent reported that when running in a cgroup, his root
cfs_rq->avg.load_avg dropped to 0 on task idle.
This is because reweight_entity() will now immediately propagate the
weight change of the group entity to its cfs_rq, and as it happens,
our approxmation (5) for calc_cfs_shares() results in 0
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