On 14/10/2020 17:00, Yun Hsiang wrote:
> On Tue, Oct 13, 2020 at 10:25:48PM +0200, Dietmar Eggemann wrote:
>> Hi Yun,
>>
>> On 12/10/2020 18:31, Yun Hsiang wrote:
[...]
> The tg uclamp value may also change. If top-app's cpu.uclamp.min change
> to 50 (~500), then task A's effective uclamp min val
On 14/10/2020 16:50, Patrick Bellasi wrote:
>
> On Tue, Oct 13, 2020 at 22:25:48 +0200, Dietmar Eggemann
> wrote...
[...]
>> On 12/10/2020 18:31, Yun Hsiang wrote:
[...]
> Not sure what's the specific use-case Yun is after, but I have at least
> one in my mind.
>
> Let say a task does not n
On Tue, Oct 13, 2020 at 06:52:03PM +0200, Patrick Bellasi wrote:
Hi Patrick,
>
> On Tue, Oct 13, 2020 at 15:32:46 +0200, Qais Yousef
> wrote...
>
> > On 10/13/20 13:46, Patrick Bellasi wrote:
> >> > So IMO you just need a single SCHED_FLAG_UTIL_CLAMP_RESET that if set in
> >> > the
> >> > at
On Tue, Oct 13, 2020 at 10:25:48PM +0200, Dietmar Eggemann wrote:
> Hi Yun,
>
> On 12/10/2020 18:31, Yun Hsiang wrote:
> > If the user wants to stop controlling uclamp and let the task inherit
> > the value from the group, we need a method to reset.
> >
> > Add SCHED_FLAG_UTIL_CLAMP_RESET flag to
On Tue, Oct 13, 2020 at 22:25:48 +0200, Dietmar Eggemann
wrote...
Hi Dietmar,
> Hi Yun,
>
> On 12/10/2020 18:31, Yun Hsiang wrote:
>> If the user wants to stop controlling uclamp and let the task inherit
>> the value from the group, we need a method to reset.
>>
>> Add SCHED_FLAG_UTIL_CLAMP_
Hi Yun,
On 12/10/2020 18:31, Yun Hsiang wrote:
> If the user wants to stop controlling uclamp and let the task inherit
> the value from the group, we need a method to reset.
>
> Add SCHED_FLAG_UTIL_CLAMP_RESET flag to allow the user to reset uclamp via
> sched_setattr syscall.
before we decide o
On Tue, Oct 13, 2020 at 15:32:46 +0200, Qais Yousef
wrote...
> On 10/13/20 13:46, Patrick Bellasi wrote:
>> > So IMO you just need a single SCHED_FLAG_UTIL_CLAMP_RESET that if set in
>> > the
>> > attr, you just execute that loop in __setscheduler_uclamp() + reset
>> > uc_se->user_defined.
>>
On 10/13/20 13:46, Patrick Bellasi wrote:
> > So IMO you just need a single SCHED_FLAG_UTIL_CLAMP_RESET that if set in the
> > attr, you just execute that loop in __setscheduler_uclamp() + reset
> > uc_se->user_defined.
> >
> > It should be invalid to pass the SCHED_FLAG_UTIL_CLAMP_RESET with
> > S
On Tue, Oct 13, 2020 at 12:29:51 +0200, Qais Yousef
wrote...
> On 10/13/20 10:21, Patrick Bellasi wrote:
>>
[...]
>> > +#define SCHED_FLAG_UTIL_CLAMP_RESET (SCHED_FLAG_UTIL_CLAMP_RESET_MIN | \
>> > + SCHED_FLAG_UTIL_CLAMP_RESET_MAX)
>> > +
>> > #define SCHE
On 10/13/20 10:21, Patrick Bellasi wrote:
>
> Hi Yun,
> thanks for sharing this new implementation.
>
> On Mon, Oct 12, 2020 at 18:31:40 +0200, Yun Hsiang
> wrote...
>
> > If the user wants to stop controlling uclamp and let the task inherit
> > the value from the group, we need a method to re
Hi Yun,
thanks for sharing this new implementation.
On Mon, Oct 12, 2020 at 18:31:40 +0200, Yun Hsiang
wrote...
> If the user wants to stop controlling uclamp and let the task inherit
> the value from the group, we need a method to reset.
>
> Add SCHED_FLAG_UTIL_CLAMP_RESET flag to allow the
If the user wants to stop controlling uclamp and let the task inherit
the value from the group, we need a method to reset.
Add SCHED_FLAG_UTIL_CLAMP_RESET flag to allow the user to reset uclamp via
sched_setattr syscall.
Signed-off-by: Yun Hsiang
---
include/uapi/linux/sched.h | 9 -
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