H Konrad,
On Tue, 30 Apr 2024 at 13:23, Konrad Dybcio wrote:
>
> On 26.03.2024 10:16 AM, Vincent Guittot wrote:
> > Now that cpufreq provides a pressure value to the scheduler, rename
> > arch_update_thermal_pressure into HW pressure to reflect that it returns
> > a pre
other signals.
Mark sysctl_sched_migration_cost boot parameter as deprecated
Signed-off-by: Vincent Guittot
Reviewed-by: Qais Yousef
Reviewed-by: Lukasz Luba
Tested-by: Lukasz Luba
---
.../admin-guide/kernel-parameters.txt | 1 +
kernel/sched/core.c| 2
example. Such high frequency signal needs filtering to be
smoothed and provide an value that reflects the average available capacity
into the scheduler time scale.
Signed-off-by: Vincent Guittot
Reviewed-by: Qais Yousef
Reviewed-by: Lukasz Luba
Tested-by: Lukasz Luba
---
arch/arm/include/asm
which includes cpufreq cooling device. Remove the call to
arch_update_thermal_pressure() in cpufreq cooling device as this is
handled by cpufreq_get_pressure().
Signed-off-by: Vincent Guittot
Reviewed-by: Lukasz Luba
Acked-by: Viresh Kumar
Tested-by: Lukasz Luba
---
drivers/thermal/cpufreq_cool
Aggregate the different pressures applied on the capacity of CPUs and
create a new function that returns the actual capacity of the CPU:
get_actual_cpu_capacity()
Signed-off-by: Vincent Guittot
Reviewed-by: Lukasz Luba
Reviewed-by: Qais Yousef
Tested-by: Lukasz Luba
---
kernel/sched/fair.c
ssure()
Change since v1:
- Use struct cpufreq_policy as parameter of cpufreq_update_pressure()
- Fix typos and comments
- Make sched_thermal_decay_shift boot param as deprecated
Vincent Guittot (5):
cpufreq: Add a cpufreq pressure feedback for the scheduler
sched: Take cpufreq feedback into ac
Provide to the scheduler a feedback about the temporary max available
capacity. Unlike arch_update_thermal_pressure, this doesn't need to be
filtered as the pressure will happen for dozens ms or more.
Signed-off-by: Vincent Guittot
Acked-by: Rafael J. Wysocki
Acked-by: Viresh Kumar
Review
other signals.
Mark sysctl_sched_migration_cost boot parameter as deprecated
Signed-off-by: Vincent Guittot
Reviewed-by: Qais Yousef
---
.../admin-guide/kernel-parameters.txt | 1 +
kernel/sched/core.c| 2 +-
kernel/sched/fair.c| 10
example. Such high frequency signal needs filtering to be
smoothed and provide an value that reflects the average available capacity
into the scheduler time scale.
Signed-off-by: Vincent Guittot
Reviewed-by: Qais Yousef
---
arch/arm/include/asm/topology.h | 6 ++---
arch/arm64
which includes cpufreq cooling device. Remove the call to
arch_update_thermal_pressure() in cpufreq cooling device as this is
handled by cpufreq_get_pressure().
Signed-off-by: Vincent Guittot
Reviewed-by: Lukasz Luba
Acked-by: Viresh Kumar
---
drivers/thermal/cpufreq_cooling.c | 3 ---
1 file chang
Aggregate the different pressures applied on the capacity of CPUs and
create a new function that returns the actual capacity of the CPU:
get_actual_cpu_capacity()
Signed-off-by: Vincent Guittot
Reviewed-by: Lukasz Luba
Reviewed-by: Qais Yousef
---
kernel/sched/fair.c | 45
Provide to the scheduler a feedback about the temporary max available
capacity. Unlike arch_update_thermal_pressure, this doesn't need to be
filtered as the pressure will happen for dozens ms or more.
Signed-off-by: Vincent Guittot
Acked-by: Rafael J. Wysocki
Acked-by: Viresh Kumar
Review
ments
- Make sched_thermal_decay_shift boot param as deprecated
Vincent Guittot (5):
cpufreq: Add a cpufreq pressure feedback for the scheduler
sched: Take cpufreq feedback into account
thermal/cpufreq: Remove arch_update_thermal_pressure()
sched: Rename arch_update_thermal_pressure
On Tue, 30 Jan 2024 at 01:50, Qais Yousef wrote:
>
> On 01/30/24 00:26, Qais Yousef wrote:
> > On 01/09/24 17:46, Vincent Guittot wrote:
> > > Aggregate the different pressures applied on the capacity of CPUs and
> > > create a new function that returns
On Wed, 10 Jan 2024 at 19:10, Dietmar Eggemann wrote:
>
> On 09/01/2024 14:29, Vincent Guittot wrote:
> > On Tue, 9 Jan 2024 at 12:34, Dietmar Eggemann
> > wrote:
> >>
> >> On 08/01/2024 14:48, Vincent Guittot wrote:
> >>> Following the consol
On Wed, 10 Jan 2024 at 14:51, Dietmar Eggemann wrote:
>
> On 09/01/2024 15:30, Vincent Guittot wrote:
> > On Tue, 9 Jan 2024 at 12:22, Dietmar Eggemann
> > wrote:
> >>
> >> On 08/01/2024 14:48, Vincent Guittot wrote:
> >>> Aggregate the differe
On Tue, 9 Jan 2024 at 17:49, Rafael J. Wysocki wrote:
>
> On Tue, Jan 9, 2024 at 5:47 PM Vincent Guittot
> wrote:
> >
> > Provide to the scheduler a feedback about the temporary max available
> > capacity. Unlike arch_update_thermal_pressure, this doesn't need to
other signals.
Mark sysctl_sched_migration_cost boot parameter as deprecated
Signed-off-by: Vincent Guittot
---
.../admin-guide/kernel-parameters.txt | 1 +
kernel/sched/core.c| 2 +-
kernel/sched/fair.c| 10 ++
kernel/sched
example. Such high frequency signal needs filtering to be
smoothed and provide a value that reflects the average available capacity
into the scheduler time scale.
Signed-off-by: Vincent Guittot
---
arch/arm/include/asm/topology.h | 6 ++---
arch/arm64/include/asm/topology.h
which includes cpufreq cooling device. Remove the call to
arch_update_thermal_pressure() in cpufreq cooling device as this is
handled by cpufreq_get_pressure().
Signed-off-by: Vincent Guittot
Reviewed-by: Lukasz Luba
Acked-by: Viresh Kumar
---
drivers/thermal/cpufreq_cooling.c | 3 ---
1 file chang
Aggregate the different pressures applied on the capacity of CPUs and
create a new function that returns the actual capacity of the CPU:
get_actual_cpu_capacity()
Signed-off-by: Vincent Guittot
Reviewed-by: Lukasz Luba
---
kernel/sched/fair.c | 45
Provide to the scheduler a feedback about the temporary max available
capacity. Unlike arch_update_thermal_pressure, this doesn't need to be
filtered as the pressure will happen for dozens ms or more.
Signed-off-by: Vincent Guittot
---
drivers/cpufreq/cpufreq.c
- Fix uninitialized variables in cpufreq_update_pressure()
Change since v2:
- Rework cpufreq_update_pressure()
Change since v1:
- Use struct cpufreq_policy as parameter of cpufreq_update_pressure()
- Fix typos and comments
- Make sched_thermal_decay_shift boot param as deprecated
Vincent Guittot (5):
cp
On Tue, 9 Jan 2024 at 12:22, Dietmar Eggemann wrote:
>
> On 08/01/2024 14:48, Vincent Guittot wrote:
> > Aggregate the different pressures applied on the capacity of CPUs and
> > create a new function that returns the actual capacity of the CPU:
> > get_actual_cpu_ca
On Tue, 9 Jan 2024 at 12:56, Dietmar Eggemann wrote:
>
> On 08/01/2024 14:48, Vincent Guittot wrote:
> > Now that cpufreq provides a pressure value to the scheduler, rename
>
> I.e. that thermal (e.g. IPA governor) switches from average
> (rq->avg_(thermal/hw).load_
On Tue, 9 Jan 2024 at 12:34, Dietmar Eggemann wrote:
>
> On 08/01/2024 14:48, Vincent Guittot wrote:
> > Following the consolidation and cleanup of CPU capacity in [1], this serie
> > reworks how the scheduler gets the pressures on CPUs. We need to take into
> > account
On Mon, 8 Jan 2024 at 17:35, Dietmar Eggemann wrote:
>
> On 08/01/2024 14:48, Vincent Guittot wrote:
> > Provide to the scheduler a feedback about the temporary max available
> > capacity. Unlike arch_update_thermal_pressure, this doesn't need to be
> > filtered as
On Mon, 8 Jan 2024 at 17:35, Dietmar Eggemann wrote:
>
> On 08/01/2024 14:48, Vincent Guittot wrote:
> > Provide to the scheduler a feedback about the temporary max available
> > capacity. Unlike arch_update_thermal_pressure, this doesn't need to be
> > filtered as
other signals.
Mark deprecated sched_thermal_decay_shift boot parameter.
Signed-off-by: Vincent Guittot
---
.../admin-guide/kernel-parameters.txt | 1 +
kernel/sched/core.c| 2 +-
kernel/sched/fair.c| 10 ++
kernel/sched
example. Such high frequency signal needs filtering to be
smoothed and provide an value that reflects the average available capacity
into the scheduler time scale.
Signed-off-by: Vincent Guittot
---
arch/arm/include/asm/topology.h | 6 ++---
arch/arm64/include/asm/topology.h
which includes cpufreq cooling device. Remove the call to
arch_update_thermal_pressure() in cpufreq cooling device as this is
handled by cpufreq_get_pressure().
Signed-off-by: Vincent Guittot
Reviewed-by: Lukasz Luba
Acked-by: Viresh Kumar
---
drivers/thermal/cpufreq_cooling.c | 3 ---
1 file chang
Aggregate the different pressures applied on the capacity of CPUs and
create a new function that returns the actual capacity of the CPU:
get_actual_cpu_capacity()
Signed-off-by: Vincent Guittot
Reviewed-by: Lukasz Luba
---
kernel/sched/fair.c | 45
Provide to the scheduler a feedback about the temporary max available
capacity. Unlike arch_update_thermal_pressure, this doesn't need to be
filtered as the pressure will happen for dozens ms or more.
Signed-off-by: Vincent Guittot
---
drivers/cpufreq/cpufreq.c
ework cpufreq_update_pressure()
Change since v1:
- Use struct cpufreq_policy as parameter of cpufreq_update_pressure()
- Fix typos and comments
- Make sched_thermal_decay_shift boot param as deprecated
Vincent Guittot (5):
cpufreq: Add a cpufreq pressure feedback for the scheduler
sched: Take cp
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