From: Mel Gorman <mgorman@suse.de>
To: Aubrey Li <aubrey.li@intel.com>
Cc: vincent.guittot@linaro.org, mingo@redhat.com,
peterz@infradead.org, juri.lelli@redhat.com,
dietmar.eggemann@arm.com, rostedt@goodmis.org,
bsegall@google.com, linux-kernel@vger.kernel.org,
tim.c.chen@linux.intel.com, vpillai@digitalocean.com,
joel@joelfernandes.org, Aubrey Li <aubrey.li@linux.intel.com>,
Phil Auld <pauld@redhat.com>
Subject: Re: [PATCH] sched/fair: Fix negative imbalance in imbalance calculation
Date: Fri, 27 Mar 2020 11:48:01 +0000 [thread overview]
Message-ID: <20200327114801.GL3772@suse.de> (raw)
In-Reply-To: <1585201349-70192-1-git-send-email-aubrey.li@intel.com>
On Thu, Mar 26, 2020 at 01:42:29PM +0800, Aubrey Li wrote:
> A negative imbalance value was observed after imbalance calculation,
> this happens when the local sched group type is group_fully_busy,
> and the average load of local group is greater than the selected
> busiest group. Fix this problem by comparing the average load of the
> local and busiest group before imbalance calculation formula.
>
> Suggested-by: Vincent Guittot <vincent.guittot@linaro.org>
> Signed-off-by: Aubrey Li <aubrey.li@linux.intel.com>
> Cc: Phil Auld <pauld@redhat.com>
Acked-by: Mel Gorman <mgorman@suse.de>
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2020-03-27 11:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-26 5:42 [PATCH] sched/fair: Fix negative imbalance in imbalance calculation Aubrey Li
2020-03-26 13:30 ` Phil Auld
2020-03-26 16:03 ` Vincent Guittot
2020-03-30 10:38 ` Peter Zijlstra
2020-03-27 11:48 ` Mel Gorman [this message]
2020-04-08 12:20 ` [tip: sched/urgent] " tip-bot2 for Aubrey Li
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