From: Alex Shi <alex.shi@linaro.org>
To: mingo@redhat.com, peterz@infradead.org, morten.rasmussen@arm.com,
vincent.guittot@linaro.org, daniel.lezcano@linaro.org,
fweisbec@gmail.com, linux@arm.linux.org.uk, tony.luck@intel.com,
fenghua.yu@intel.com, tglx@linutronix.de,
akpm@linux-foundation.org, arjan@linux.intel.com, pjt@google.com,
fengguang.wu@intel.com
Cc: james.hogan@imgtec.com, alex.shi@linaro.org, jason.low2@hp.com,
gregkh@linuxfoundation.org, hanjun.guo@linaro.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 4/4] sched/nohz_full: give correct cpu load for nohz_full cpu
Date: Tue, 26 Nov 2013 20:59:25 +0800 [thread overview]
Message-ID: <52949B2D.3090208@linaro.org> (raw)
In-Reply-To: <1385102235-25664-5-git-send-email-alex.shi@linaro.org>
On 11/22/2013 02:37 PM, Alex Shi wrote:
> When a nohz_full cpu in tickless mode, it may update cpu_load in
> following chain:
> __tick_nohz_full_check
> tick_nohz_restart_sched_tick
> update_cpu_load_nohz
> then it will be set a incorrect cpu_load: 0.
> This patch try to fix it and give it the correct cpu_load value.
Frederic,
Would you like to give some comments on this patch?
--
Thanks
Alex
next prev parent reply other threads:[~2013-11-26 12:59 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-22 6:37 [RFC PATCH 0/4] sched: remove cpu_load decay Alex Shi
2013-11-22 6:37 ` [RFC PATCH 1/4] sched: shortcut to remove load_idx effect Alex Shi
2013-11-22 6:37 ` [RFC PATCH 2/4] sched: change rq->cpu_load[load_idx] array to rq->cpu_load Alex Shi
2013-11-22 6:37 ` [RFC PATCH 3/4] sched: clean up __update_cpu_load Alex Shi
2013-11-22 6:37 ` [RFC PATCH 4/4] sched/nohz_full: give correct cpu load for nohz_full cpu Alex Shi
2013-11-26 12:59 ` Alex Shi [this message]
2013-11-22 12:13 ` [RFC PATCH 0/4] sched: remove cpu_load decay Daniel Lezcano
2013-11-24 5:00 ` Alex Shi
2013-11-24 5:29 ` Alex Shi
2013-11-26 12:35 ` Daniel Lezcano
2013-11-26 12:52 ` Alex Shi
2013-11-26 12:57 ` Daniel Lezcano
2013-11-26 13:01 ` Daniel Lezcano
2013-11-26 13:04 ` Alex Shi
2013-11-25 0:58 ` Alex Shi
2013-11-25 8:36 ` Daniel Lezcano
2013-11-25 12:00 ` Alex Shi
2013-11-27 2:48 ` Alex Shi
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