From: Yuyang Du <yuyang.du@intel.com>
To: peterz@infradead.org, mingo@kernel.org, linux-kernel@vger.kernel.org
Cc: umgwanakikbuti@gmail.com, bsegall@google.com, pjt@google.com,
morten.rasmussen@arm.com, vincent.guittot@linaro.org,
dietmar.eggemann@arm.com, matt@codeblueprint.co.uk
Subject: Re: [RFC PATCH 11/11] sched/fair: Refactor select_task_rq_fair()
Date: Thu, 16 Jun 2016 09:57:59 +0800 [thread overview]
Message-ID: <20160616015759.GP8105@intel.com> (raw)
In-Reply-To: <1466041775-4528-12-git-send-email-yuyang.du@intel.com>
On Thu, Jun 16, 2016 at 09:49:35AM +0800, Yuyang Du wrote:
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index f15461f..1ab41b8 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -4986,12 +4986,14 @@ static void record_wakee(struct task_struct *p)
> */
> if (time_after(jiffies, current->wakee_flip_decay_ts + HZ)) {
> current->wakee_flips >>= 1;
> + current->wakee_count >>= 1;
> current->wakee_flip_decay_ts = jiffies;
> }
>
> if (current->last_wakee != p) {
> current->last_wakee = p;
> current->wakee_flips++;
> }
So sorry that:
current->wakee_count++;
should be moved out of the if statement.
prev parent reply other threads:[~2016-06-16 9:54 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-16 1:49 [RFC PATCH 00/11] Refactor select_task_rq_fair() Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 01/11] sched: Remove unused @cpu argument from destroy_sched_domain*() Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 02/11] sched: Restructure destroy_sched_domain() Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 03/11] sched: Introduce struct sched_domain_shared Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 04/11] sched: Replace sd_busy/nr_busy_cpus with sched_domain_shared Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 05/11] sched: Rewrite select_idle_siblings() Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 06/11] sched: Optimize SCHED_SMT Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 07/11] sched: Clean up SD_BALANCE_WAKE flags in sched domain build-up Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 08/11] sched: Remove SD_WAKE_AFFINE flag and replace it with SD_BALANCE_WAKE Yuyang Du
2016-06-23 13:04 ` Matt Fleming
2016-06-23 13:54 ` Peter Zijlstra
2016-06-23 14:06 ` Mike Galbraith
2016-06-16 1:49 ` [RFC PATCH 09/11] sched: Add per CPU variable sd_socket_id to specify the CPU's socket Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 10/11] sched: Add sched_llc_complete static key to specify whether the LLC covers all CPUs Yuyang Du
2016-06-16 1:49 ` [RFC PATCH 11/11] sched/fair: Refactor select_task_rq_fair() Yuyang Du
2016-06-16 1:57 ` Yuyang Du [this message]
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