From: Peter Zijlstra <peterz@infradead.org>
To: Rik van Riel <riel@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
chegu_vinod@hp.com, mgorman@suse.de, mingo@redhat.com
Subject: Re: [PATCH 6/7] numa,sched: normalize faults_from stats and weigh by CPU use
Date: Mon, 20 Jan 2014 20:10:51 +0100 [thread overview]
Message-ID: <20140120191051.GQ11314@laptop.programming.kicks-ass.net> (raw)
In-Reply-To: <52DD72C8.2050602@redhat.com>
On Mon, Jan 20, 2014 at 02:02:32PM -0500, Rik van Riel wrote:
> That is what I started out with, and the results were not
> as stable as with this calculation.
>
> Having said that, I did that before I came up with patch 7/7,
> so maybe the effect would no longer be as pronounced any more
> as it was before...
>
> I can send in a simplified version, if you prefer.
If you could retry with 7/7, I don't mind adding the extra stats too
much, but it would be nice if we can avoid it.
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next prev parent reply other threads:[~2014-01-20 19:11 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-17 21:12 [PATCH v2 0/7] pseudo-interleaving for automatic NUMA balancing riel
2014-01-17 21:12 ` [PATCH 1/7] numa,sched,mm: remove p->numa_migrate_deferred riel
2014-01-17 21:12 ` [PATCH 2/7] numa,sched: track from which nodes NUMA faults are triggered riel
2014-01-17 21:12 ` [PATCH 3/7] numa,sched: build per numa_group active node mask from faults_from statistics riel
2014-01-20 16:31 ` Peter Zijlstra
2014-01-20 18:55 ` Rik van Riel
2014-01-20 16:55 ` Peter Zijlstra
2014-01-17 21:12 ` [PATCH 4/7] numa,sched: tracepoints for NUMA balancing active nodemask changes riel
2014-01-20 16:52 ` Peter Zijlstra
2014-01-20 18:51 ` Rik van Riel
2014-01-20 19:05 ` Steven Rostedt
2014-01-17 21:12 ` [PATCH 5/7] numa,sched,mm: use active_nodes nodemask to limit numa migrations riel
2014-01-17 21:12 ` [PATCH 6/7] numa,sched: normalize faults_from stats and weigh by CPU use riel
2014-01-20 16:57 ` Peter Zijlstra
2014-01-20 19:02 ` Rik van Riel
2014-01-20 19:10 ` Peter Zijlstra [this message]
2014-01-17 21:12 ` [PATCH 7/7] numa,sched: do statistics calculation using local variables only riel
2014-01-18 3:31 ` Rik van Riel
2014-01-18 22:05 ` [PATCH v2 0/7] pseudo-interleaving for automatic NUMA balancing Chegu Vinod
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