linux-kernel - Re: [PATCH v2 2/4] sched:Consider imbalance_pct when comparing loads in numa_has

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Message-ID: <55803511.1060601@redhat.com>
Date:	Tue, 16 Jun 2015 10:39:13 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
CC:	linux-kernel@...r.kernel.org, Mel Gorman <mgorman@...e.de>
Subject: Re: [PATCH v2 2/4] sched:Consider imbalance_pct when comparing loads
 in numa_has_capacity

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@...ux.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?
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