On 20-Dec 15:33, Peter Zijlstra wrote:
> On Thu, Nov 30, 2017 at 11:47:18AM +, Patrick Bellasi wrote:
> > Currently, sg_cpu's flags are set to the value defined by the last call
> > of the cpufreq_update_util(); for RT/DL classes this corresponds to the
> > SCHED_CPUFREQ_{RT/DL} flags always be
On Thu, Nov 30, 2017 at 11:47:18AM +, Patrick Bellasi wrote:
> Currently, sg_cpu's flags are set to the value defined by the last call
> of the cpufreq_update_util(); for RT/DL classes this corresponds to the
> SCHED_CPUFREQ_{RT/DL} flags always being set.
>
> When multiple CPUs share the same
On 12-12-17, 15:16, Patrick Bellasi wrote:
> Since you are already changing some flags position, maybe we can have
> a better organization by using lower flags for "general bits" and
> higher ones for class specific, i.e.
>
> #define SCHED_CPUFREQ_CLEAR (1U << 0)
> #define SCHED_CPUFREQ_IOWAIT
On 12-Dec 15:56, Juri Lelli wrote:
> On 12/12/17 20:10, Viresh Kumar wrote:
> > On 12-12-17, 14:38, Juri Lelli wrote:
> > > Hi Viresh,
> > >
> > > On 12/12/17 17:07, Viresh Kumar wrote:
> > >
> > > [...]
> > >
> > > > From: Viresh Kumar
> > > > Date: Tue, 12 Dec 2017 15:43:26 +0530
> > > > Subj
Hi Viresh,
On 12-Dec 17:07, Viresh Kumar wrote:
> On 07-12-17, 12:45, Patrick Bellasi wrote:
> > On 07-Dec 10:31, Viresh Kumar wrote:
[...]
> I think its important to fix the basic mechanism of util update than fixing
> corner cases with workarounds. I attempted a simpler approach (at least
> ac
On 12/12/17 20:10, Viresh Kumar wrote:
> On 12-12-17, 14:38, Juri Lelli wrote:
> > Hi Viresh,
> >
> > On 12/12/17 17:07, Viresh Kumar wrote:
> >
> > [...]
> >
> > > From: Viresh Kumar
> > > Date: Tue, 12 Dec 2017 15:43:26 +0530
> > > Subject: [PATCH] sched: Keep track of cpufreq utilization upd
On 12-12-17, 14:38, Juri Lelli wrote:
> Hi Viresh,
>
> On 12/12/17 17:07, Viresh Kumar wrote:
>
> [...]
>
> > From: Viresh Kumar
> > Date: Tue, 12 Dec 2017 15:43:26 +0530
> > Subject: [PATCH] sched: Keep track of cpufreq utilization update flags
> >
> > Currently the schedutil governor overwri
Hi Viresh,
On 12/12/17 17:07, Viresh Kumar wrote:
[...]
> From: Viresh Kumar
> Date: Tue, 12 Dec 2017 15:43:26 +0530
> Subject: [PATCH] sched: Keep track of cpufreq utilization update flags
>
> Currently the schedutil governor overwrites the sg_cpu->flags field on
> every call to the utilizati
On 07-12-17, 12:45, Patrick Bellasi wrote:
> On 07-Dec 10:31, Viresh Kumar wrote:
> > We posted some comments on V2 for this particular patch suggesting
> > some improvements. The patch hasn't changed at all and you haven't
> > replied to few of those suggestions as well. Any particular reason for
On 12/07/2017 01:45 PM, Patrick Bellasi wrote:
Hi Viresh,
On 07-Dec 10:31, Viresh Kumar wrote:
On 30-11-17, 11:47, Patrick Bellasi wrote:
[...]
We posted some comments on V2 for this particular patch suggesting
some improvements. The patch hasn't changed at all and you haven't
replied to fe
Hi Viresh,
On 07-Dec 10:31, Viresh Kumar wrote:
> On 30-11-17, 11:47, Patrick Bellasi wrote:
> > diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h
> > index d1ad3d825561..bb5f778db023 100644
> > --- a/include/linux/sched/cpufreq.h
> > +++ b/include/linux/sched/cpufreq.h
>
On 30-11-17, 11:47, Patrick Bellasi wrote:
> diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h
> index d1ad3d825561..bb5f778db023 100644
> --- a/include/linux/sched/cpufreq.h
> +++ b/include/linux/sched/cpufreq.h
> @@ -11,6 +11,7 @@
> #define SCHED_CPUFREQ_RT (1U << 0)
On 30/11/17 16:19, Patrick Bellasi wrote:
> On 30-Nov 17:02, Juri Lelli wrote:
> > On 30/11/17 15:41, Patrick Bellasi wrote:
> > > On 30-Nov 14:12, Juri Lelli wrote:
> > > > Hi,
> > > >
> > > > On 30/11/17 11:47, Patrick Bellasi wrote:
> > > >
> > > > [...]
> > > >
> > > > > diff --git a/kernel/
On 30-Nov 17:02, Juri Lelli wrote:
> On 30/11/17 15:41, Patrick Bellasi wrote:
> > On 30-Nov 14:12, Juri Lelli wrote:
> > > Hi,
> > >
> > > On 30/11/17 11:47, Patrick Bellasi wrote:
> > >
> > > [...]
> > >
> > > > diff --git a/kernel/sched/cpufreq_schedutil.c
> > > > b/kernel/sched/cpufreq_sche
On 30/11/17 15:41, Patrick Bellasi wrote:
> On 30-Nov 14:12, Juri Lelli wrote:
> > Hi,
> >
> > On 30/11/17 11:47, Patrick Bellasi wrote:
> >
> > [...]
> >
> > > diff --git a/kernel/sched/cpufreq_schedutil.c
> > > b/kernel/sched/cpufreq_schedutil.c
> > > index 2f52ec0f1539..67339ccb5595 100644
>
On 30-Nov 14:12, Juri Lelli wrote:
> Hi,
>
> On 30/11/17 11:47, Patrick Bellasi wrote:
>
> [...]
>
> > diff --git a/kernel/sched/cpufreq_schedutil.c
> > b/kernel/sched/cpufreq_schedutil.c
> > index 2f52ec0f1539..67339ccb5595 100644
> > --- a/kernel/sched/cpufreq_schedutil.c
> > +++ b/kernel/sch
Hi,
On 30/11/17 11:47, Patrick Bellasi wrote:
[...]
> diff --git a/kernel/sched/cpufreq_schedutil.c
> b/kernel/sched/cpufreq_schedutil.c
> index 2f52ec0f1539..67339ccb5595 100644
> --- a/kernel/sched/cpufreq_schedutil.c
> +++ b/kernel/sched/cpufreq_schedutil.c
> @@ -347,6 +347,12 @@ static void
Currently, sg_cpu's flags are set to the value defined by the last call
of the cpufreq_update_util(); for RT/DL classes this corresponds to the
SCHED_CPUFREQ_{RT/DL} flags always being set.
When multiple CPUs share the same frequency domain it might happen that
a CPU which executed an RT task, rig
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