On 13-Mar 17:29, Suren Baghdasaryan wrote:
> On Wed, Mar 13, 2019 at 9:16 AM Patrick Bellasi
> wrote:
> >
> > On 13-Mar 15:12, Peter Zijlstra wrote:
> > > On Fri, Feb 08, 2019 at 10:05:41AM +, Patrick Bellasi wrote:
> > > > +static inline void uclamp_idle_reset(struct rq *rq, unsigned int
>
On Wed, Mar 13, 2019 at 9:16 AM Patrick Bellasi wrote:
>
> On 13-Mar 15:12, Peter Zijlstra wrote:
> > On Fri, Feb 08, 2019 at 10:05:41AM +, Patrick Bellasi wrote:
> > > +static inline void uclamp_idle_reset(struct rq *rq, unsigned int
> > > clamp_id,
> > > +uns
On 13-Mar 18:29, Peter Zijlstra wrote:
> On Wed, Mar 13, 2019 at 04:20:51PM +, Patrick Bellasi wrote:
> > On 13-Mar 15:10, Peter Zijlstra wrote:
> > > On Fri, Feb 08, 2019 at 10:05:41AM +, Patrick Bellasi wrote:
> > > > +uclamp_idle_value(struct rq *rq, unsigned int clamp_id, unsigned int
On Wed, Mar 13, 2019 at 04:20:51PM +, Patrick Bellasi wrote:
> On 13-Mar 15:10, Peter Zijlstra wrote:
> > On Fri, Feb 08, 2019 at 10:05:41AM +, Patrick Bellasi wrote:
> > > +uclamp_idle_value(struct rq *rq, unsigned int clamp_id, unsigned int
> > > clamp_value)
> > > +{
> > > + /*
> > > +
On 13-Mar 15:10, Peter Zijlstra wrote:
> On Fri, Feb 08, 2019 at 10:05:41AM +, Patrick Bellasi wrote:
> > +uclamp_idle_value(struct rq *rq, unsigned int clamp_id, unsigned int
> > clamp_value)
> > +{
> > + /*
> > +* Avoid blocked utilization pushing up the frequency when we go
> > +*
On 13-Mar 15:12, Peter Zijlstra wrote:
> On Fri, Feb 08, 2019 at 10:05:41AM +, Patrick Bellasi wrote:
> > +static inline void uclamp_idle_reset(struct rq *rq, unsigned int clamp_id,
> > +unsigned int clamp_value)
> > +{
> > + /* Reset max-clamp retention only o
On Fri, Feb 08, 2019 at 10:05:41AM +, Patrick Bellasi wrote:
> +static inline void uclamp_idle_reset(struct rq *rq, unsigned int clamp_id,
> + unsigned int clamp_value)
> +{
> + /* Reset max-clamp retention only on idle exit */
> + if (!(rq->uclamp_flags
On Fri, Feb 08, 2019 at 10:05:41AM +, Patrick Bellasi wrote:
> +uclamp_idle_value(struct rq *rq, unsigned int clamp_id, unsigned int
> clamp_value)
> +{
> + /*
> + * Avoid blocked utilization pushing up the frequency when we go
> + * idle (which drops the max-clamp) by retaining
When the task sleeps, it removes its max utilization clamp from its CPU.
However, the blocked utilization on that CPU can be higher than the max
clamp value enforced while the task was running. This allows undesired
CPU frequency increases while a CPU is idle, for example, when another
CPU on the s
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