Messages in this thread | | | Date | Wed, 12 Sep 2018 18:44:56 +0100 | From | Patrick Bellasi <> | Subject | Re: [PATCH v4 03/16] sched/core: uclamp: add CPU's clamp groups accounting |
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On 12-Sep 19:34, Peter Zijlstra wrote: > On Tue, Aug 28, 2018 at 02:53:11PM +0100, Patrick Bellasi wrote: > > diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h > > index 72df2dc779bc..513608ae4908 100644 > > --- a/kernel/sched/sched.h > > +++ b/kernel/sched/sched.h > > @@ -764,6 +764,50 @@ extern void rto_push_irq_work_func(struct irq_work *work); > > #endif > > #endif /* CONFIG_SMP */ > > > > +#ifdef CONFIG_UCLAMP_TASK > > +/** > > + * struct uclamp_group - Utilization clamp Group > > + * @value: utilization clamp value for tasks on this clamp group > > + * @tasks: number of RUNNABLE tasks on this clamp group > > + * > > + * Keep track of how many tasks are RUNNABLE for a given utilization > > + * clamp value. > > + */ > > +struct uclamp_group { > > + int value; > > + int tasks; > > +}; > > We could use bit fields again to compress in 10:22 bits I suppose. 4M > tasks is quite a lot to have runnable on a single CPU ;-)
If you say saw, it's ok with me... my Android phone can (yet) run so many ;)
Cheers Patrick
-- #include <best/regards.h>
Patrick Bellasi
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