On 15 September 2014 12:45, Morten Rasmussen wrote:
> On Thu, Sep 11, 2014 at 03:04:44PM +0100, Peter Zijlstra wrote:
>> On Thu, Sep 11, 2014 at 03:07:52PM +0200, Vincent Guittot wrote:
>> > > Also I'm not entirely sure I like the usage, utilization names/metrics.
>> > > I would suggest to
On 15 September 2014 12:45, Morten Rasmussen morten.rasmus...@arm.com wrote:
On Thu, Sep 11, 2014 at 03:04:44PM +0100, Peter Zijlstra wrote:
On Thu, Sep 11, 2014 at 03:07:52PM +0200, Vincent Guittot wrote:
Also I'm not entirely sure I like the usage, utilization names/metrics.
I would
On Thu, Sep 11, 2014 at 03:04:44PM +0100, Peter Zijlstra wrote:
> On Thu, Sep 11, 2014 at 03:07:52PM +0200, Vincent Guittot wrote:
> > > Also I'm not entirely sure I like the usage, utilization names/metrics.
> > > I would suggest to reverse them. Call the pure running number
> > > 'utilization'
On Thu, Sep 11, 2014 at 01:34:12PM +0100, Peter Zijlstra wrote:
> > @@ -4514,6 +4519,17 @@ static int select_idle_sibling(struct task_struct
> > *p, int target)
> > return target;
> > }
> >
> > +static int get_cpu_utilization(int cpu)
> > +{
> > + unsigned long usage =
On Thu, Sep 11, 2014 at 01:34:12PM +0100, Peter Zijlstra wrote:
@@ -4514,6 +4519,17 @@ static int select_idle_sibling(struct task_struct
*p, int target)
return target;
}
+static int get_cpu_utilization(int cpu)
+{
+ unsigned long usage = cpu_rq(cpu)-cfs.usage_load_avg;
On Thu, Sep 11, 2014 at 03:04:44PM +0100, Peter Zijlstra wrote:
On Thu, Sep 11, 2014 at 03:07:52PM +0200, Vincent Guittot wrote:
Also I'm not entirely sure I like the usage, utilization names/metrics.
I would suggest to reverse them. Call the pure running number
'utilization' and this
On 11 September 2014 21:17, Nicolas Pitre wrote:
>>
>> Any other opinions before Vince goes and applies sed on patches? ;-)
>
> I don't mind either way, but for sure someone (possibly me) is going to
> confuse the two soon enough.
>
> Please include in the code some formal definition in the
On 11 September 2014 21:17, Nicolas Pitre nicolas.pi...@linaro.org wrote:
Any other opinions before Vince goes and applies sed on patches? ;-)
I don't mind either way, but for sure someone (possibly me) is going to
confuse the two soon enough.
Please include in the code some formal
On Thu, 11 Sep 2014, Peter Zijlstra wrote:
> On Thu, Sep 11, 2014 at 03:07:52PM +0200, Vincent Guittot wrote:
> > > Also I'm not entirely sure I like the usage, utilization names/metrics.
> > > I would suggest to reverse them. Call the pure running number
> > > 'utilization' and this scaled with
On Thu, Sep 11, 2014 at 03:07:52PM +0200, Vincent Guittot wrote:
> > Also I'm not entirely sure I like the usage, utilization names/metrics.
> > I would suggest to reverse them. Call the pure running number
> > 'utilization' and this scaled with capacity 'usage' or so.
>
> ok. i can invert
On 11 September 2014 14:34, Peter Zijlstra wrote:
> On Tue, Aug 26, 2014 at 01:06:53PM +0200, Vincent Guittot wrote:
>> Monitor the utilization level of each group of each sched_domain level. The
>> utilization is the amount of cpu_capacity that is currently used on a CPU or
>> group of CPUs. We
On Tue, Aug 26, 2014 at 01:06:53PM +0200, Vincent Guittot wrote:
> Monitor the utilization level of each group of each sched_domain level. The
> utilization is the amount of cpu_capacity that is currently used on a CPU or
> group of CPUs. We use the usage_load_avg to evaluate this utilization
On Tue, Aug 26, 2014 at 01:06:53PM +0200, Vincent Guittot wrote:
Monitor the utilization level of each group of each sched_domain level. The
utilization is the amount of cpu_capacity that is currently used on a CPU or
group of CPUs. We use the usage_load_avg to evaluate this utilization level.
On 11 September 2014 14:34, Peter Zijlstra pet...@infradead.org wrote:
On Tue, Aug 26, 2014 at 01:06:53PM +0200, Vincent Guittot wrote:
Monitor the utilization level of each group of each sched_domain level. The
utilization is the amount of cpu_capacity that is currently used on a CPU or
group
On Thu, Sep 11, 2014 at 03:07:52PM +0200, Vincent Guittot wrote:
Also I'm not entirely sure I like the usage, utilization names/metrics.
I would suggest to reverse them. Call the pure running number
'utilization' and this scaled with capacity 'usage' or so.
ok. i can invert 'usage' and
On Thu, 11 Sep 2014, Peter Zijlstra wrote:
On Thu, Sep 11, 2014 at 03:07:52PM +0200, Vincent Guittot wrote:
Also I'm not entirely sure I like the usage, utilization names/metrics.
I would suggest to reverse them. Call the pure running number
'utilization' and this scaled with capacity
Monitor the utilization level of each group of each sched_domain level. The
utilization is the amount of cpu_capacity that is currently used on a CPU or
group of CPUs. We use the usage_load_avg to evaluate this utilization level.
In the special use case where the CPU is fully loaded by more than 1
Monitor the utilization level of each group of each sched_domain level. The
utilization is the amount of cpu_capacity that is currently used on a CPU or
group of CPUs. We use the usage_load_avg to evaluate this utilization level.
In the special use case where the CPU is fully loaded by more than 1
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