On Mon, Oct 14, 2013 at 02:48:09PM +0100, Peter Zijlstra wrote:
> On Fri, Oct 11, 2013 at 06:19:13PM +0100, Morten Rasmussen wrote:
> > +static inline void inc_cpu_capacity(int cpu)
> > +{
> > + if (weighted_cpuload(cpu) > power_of(cpu))
> > + go_faster(cpu, 0);
> > +}
> > +
> > +static
On Fri, Oct 11, 2013 at 06:19:13PM +0100, Morten Rasmussen wrote:
> +static inline void inc_cpu_capacity(int cpu)
> +{
> + if (weighted_cpuload(cpu) > power_of(cpu))
> + go_faster(cpu, 0);
> +}
> +
> +static inline void dec_cpu_capacity(int cpu)
> +{
> + if (weighted_cpuload(cpu
Hi Michael,
On Sat, Oct 12, 2013 at 03:58:07AM +0100, Michael wang wrote:
> Hi, Morten
>
> On 10/12/2013 01:19 AM, Morten Rasmussen wrote:
> [snip]
> >
> > @@ -5743,6 +5772,7 @@ static void run_rebalance_domains(struct
> > softirq_action *h)
> > */
> > nohz_idle_balance(this_cpu, idle
Hi, Morten
On 10/12/2013 01:19 AM, Morten Rasmussen wrote:
[snip]
>
> @@ -5743,6 +5772,7 @@ static void run_rebalance_domains(struct softirq_action
> *h)
>*/
> nohz_idle_balance(this_cpu, idle);
>
> + inc_cpu_capacity(this_cpu);
Just wondering is this check necessary here?
Adds power driver hints at task enqueue/dequeue and at the sched tick if
the new cpu load doesn't match the current cpu capacity. The optional hint
argument of go_faster/slower calls is currently unused. It is meant to
give the power driver a rough estimate of how much more/less cpu capacity
is nee
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