From: Valentin Schneider <valentin.schneider@arm.com>
To: Dietmar Eggemann <dietmar.eggemann@arm.com>,
linux-kernel@vger.kernel.org
Cc: peterz@infradead.org, mingo@kernel.org,
vincent.guittot@linaro.org, patrick.bellasi@matbug.net,
qperret@google.com, qais.yousef@arm.com,
morten.rasmussen@arm.com
Subject: Re: [PATCH v2 3/4] sched/fair: Make task_fits_capacity() consider uclamp restrictions
Date: Tue, 10 Dec 2019 17:10:11 +0000 [thread overview]
Message-ID: <72ffafa9-743c-ff2c-52e3-011f2099f80f@arm.com> (raw)
In-Reply-To: <5549acc0-c5d6-a263-d995-edfeba467915@arm.com>
On 10/12/2019 17:07, Dietmar Eggemann wrote:
> On 03/12/2019 16:59, Valentin Schneider wrote:
>
> [...]
>
>> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
>> index 08a233e97a01..dc3e86cb2b2e 100644
>> --- a/kernel/sched/fair.c
>> +++ b/kernel/sched/fair.c
>> @@ -3711,6 +3711,22 @@ static inline unsigned long task_util_est(struct task_struct *p)
>> return max(task_util(p), _task_util_est(p));
>> }
>>
>> +#ifdef CONFIG_UCLAMP_TASK
>> +static inline
>> +unsigned long uclamp_task_util(struct task_struct *p)
>> +{
>> + return clamp(task_util_est(p),
>> + (unsigned long)uclamp_eff_value(p, UCLAMP_MIN),
>> + (unsigned long)uclamp_eff_value(p, UCLAMP_MAX));
>> +}
>> +#else
>> +static inline
>> +unsigned long uclamp_task_util(struct task_struct *p)
>
> [...]
>
> Save some lines?
>
Right! I went a bit overboard there.
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
<snip>
next prev parent reply other threads:[~2019-12-10 17:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-03 15:59 [PATCH v2 0/4] sched/fair: Task placement biasing using uclamp Valentin Schneider
2019-12-03 15:59 ` [PATCH v2 1/4] sched/uclamp: Make uclamp_util_*() helpers use and return UL values Valentin Schneider
2019-12-04 15:22 ` Vincent Guittot
2019-12-04 16:03 ` Valentin Schneider
2019-12-04 16:12 ` Vincent Guittot
2019-12-04 16:25 ` Rainer Sickinger
2019-12-04 17:15 ` Valentin Schneider
2019-12-04 17:29 ` Vincent Guittot
2019-12-04 17:35 ` Valentin Schneider
2019-12-10 18:09 ` Dietmar Eggemann
2019-12-10 18:31 ` Valentin Schneider
2019-12-03 15:59 ` [PATCH v2 2/4] sched/uclamp: Rename uclamp_util_*() into uclamp_rq_util_*() Valentin Schneider
2019-12-03 15:59 ` [PATCH v2 3/4] sched/fair: Make task_fits_capacity() consider uclamp restrictions Valentin Schneider
2019-12-10 17:07 ` Dietmar Eggemann
2019-12-10 17:10 ` Valentin Schneider [this message]
2019-12-03 15:59 ` [PATCH v2 4/4] sched/fair: Make feec() " Valentin Schneider
2019-12-10 18:23 ` Dietmar Eggemann
2019-12-10 18:35 ` Valentin Schneider
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