From: Rik van Riel <riel@redhat.com>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, Mel Gorman <mgorman@suse.de>
Subject: Re: [PATCH v2 2/4] sched:Consider imbalance_pct when comparing loads in numa_has_capacity
Date: Tue, 16 Jun 2015 10:39:13 -0400 [thread overview]
Message-ID: <55803511.1060601@redhat.com> (raw)
In-Reply-To: <1434455762-30857-3-git-send-email-srikar@linux.vnet.ibm.com>
On 06/16/2015 07:56 AM, Srikar Dronamraju wrote:
> This is consistent with all other load balancing instances where we
> absorb unfairness upto env->imbalance_pct. Absorbing unfairness upto
> env->imbalance_pct allows to pull and retain task to their preferred
> nodes.
>
> Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
How does this work with other workloads, eg.
single instance SPECjbb2005, or two SPECjbb2005
instances on a four node system?
Is the load still balanced evenly between nodes
with this patch?
next prev parent reply other threads:[~2015-06-16 14:39 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-16 11:55 [PATCH v2 0/4] Improve numa load balancing Srikar Dronamraju
2015-06-16 11:55 ` [PATCH v2 1/4] sched/tip:Prefer numa hotness over cache hotness Srikar Dronamraju
2015-07-06 15:50 ` [tip:sched/core] sched/numa: Prefer NUMA " tip-bot for Srikar Dronamraju
2015-07-07 0:19 ` Srikar Dronamraju
2015-07-08 13:31 ` Srikar Dronamraju
2015-07-07 6:49 ` tip-bot for Srikar Dronamraju
2015-06-16 11:56 ` [PATCH v2 2/4] sched:Consider imbalance_pct when comparing loads in numa_has_capacity Srikar Dronamraju
2015-06-16 14:39 ` Rik van Riel [this message]
2015-06-22 16:29 ` Srikar Dronamraju
2015-06-23 1:18 ` Rik van Riel
2015-06-23 8:10 ` Ingo Molnar
2015-06-23 13:01 ` Srikar Dronamraju
2015-06-23 14:36 ` Ingo Molnar
2015-07-06 15:50 ` [tip:sched/core] sched/numa: Consider 'imbalance_pct' when comparing loads in numa_has_capacity() tip-bot for Srikar Dronamraju
2015-07-07 6:49 ` tip-bot for Srikar Dronamraju
2015-06-16 11:56 ` [PATCH v2 3/4] sched:Fix task_numa_migrate to always update preferred node Srikar Dronamraju
2015-06-16 14:54 ` Rik van Riel
2015-06-16 17:19 ` Srikar Dronamraju
2015-06-16 18:25 ` Rik van Riel
2015-06-16 17:18 ` Rik van Riel
2015-06-16 11:56 ` [PATCH v2 4/4] sched:Use correct nid while evaluating task weights Srikar Dronamraju
2015-06-16 15:00 ` Rik van Riel
2015-06-16 17:26 ` Srikar Dronamraju
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