From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Andrew Theurer <habanero@linux.vnet.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@kernel.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Preeti U Murthy <preeti@linux.vnet.ibm.com>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [RFC PATCH 00/10] Improve numa scheduling by consolidating tasks
Date: Wed, 31 Jul 2013 21:13:55 +0530 [thread overview]
Message-ID: <20130731154355.GD4880@linux.vnet.ibm.com> (raw)
In-Reply-To: <1375277624.11541.27.camel@oc6622382223.ibm.com>
* Andrew Theurer <habanero@linux.vnet.ibm.com> [2013-07-31 08:33:44]:
> ----------- ----------- ----------- -----------
> VM-node00| 49153(006%) 673792(083%) 51712(006%) 36352(004%)
>
> I think the consolidation is a nice concept, but it needs a much tighter
> integration with numa balancing. The action to clump tasks on same node's
> runqueues should be triggered by detecting that they also access
> the same memory.
>
Thanks Andrew for testing and reporting your results and analysis.
Will try to focus on getting consolidation + tighter integration with
numa balancing.
--
Thanks and Regards
Srikar Dronamraju
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WARNING: multiple messages have this Message-ID (diff)
From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Andrew Theurer <habanero@linux.vnet.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@kernel.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Preeti U Murthy <preeti@linux.vnet.ibm.com>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [RFC PATCH 00/10] Improve numa scheduling by consolidating tasks
Date: Wed, 31 Jul 2013 21:13:55 +0530 [thread overview]
Message-ID: <20130731154355.GD4880@linux.vnet.ibm.com> (raw)
In-Reply-To: <1375277624.11541.27.camel@oc6622382223.ibm.com>
* Andrew Theurer <habanero@linux.vnet.ibm.com> [2013-07-31 08:33:44]:
> ----------- ----------- ----------- -----------
> VM-node00| 49153(006%) 673792(083%) 51712(006%) 36352(004%)
>
> I think the consolidation is a nice concept, but it needs a much tighter
> integration with numa balancing. The action to clump tasks on same node's
> runqueues should be triggered by detecting that they also access
> the same memory.
>
Thanks Andrew for testing and reporting your results and analysis.
Will try to focus on getting consolidation + tighter integration with
numa balancing.
--
Thanks and Regards
Srikar Dronamraju
next prev parent reply other threads:[~2013-07-31 15:44 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-30 7:48 [RFC PATCH 00/10] Improve numa scheduling by consolidating tasks Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 01/10] sched: Introduce per node numa weights Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 02/10] sched: Use numa weights while migrating tasks Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 03/10] sched: Select a better task to pull across node using iterations Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 04/10] sched: Move active_load_balance_cpu_stop to a new helper function Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 05/10] sched: Extend idle balancing to look for consolidation of tasks Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 06/10] sched: Limit migrations from a node Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 07/10] sched: Pass hint to active balancer about the task to be chosen Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 08/10] sched: Prevent a task from migrating immediately after an active balance Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 09/10] sched: Choose a runqueue that has lesser local affinity tasks Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 7:48 ` [RFC PATCH 10/10] x86, mm: Prevent gcc to re-read the pagetables Srikar Dronamraju
2013-07-30 7:48 ` Srikar Dronamraju
2013-07-30 8:17 ` [RFC PATCH 00/10] Improve numa scheduling by consolidating tasks Peter Zijlstra
2013-07-30 8:17 ` Peter Zijlstra
2013-07-30 8:20 ` Peter Zijlstra
2013-07-30 8:20 ` Peter Zijlstra
2013-07-30 9:03 ` Srikar Dronamraju
2013-07-30 9:03 ` Srikar Dronamraju
2013-07-30 9:10 ` Peter Zijlstra
2013-07-30 9:10 ` Peter Zijlstra
2013-07-30 9:26 ` Peter Zijlstra
2013-07-30 9:26 ` Peter Zijlstra
2013-07-30 9:46 ` Srikar Dronamraju
2013-07-30 9:46 ` Srikar Dronamraju
2013-07-31 15:09 ` Peter Zijlstra
2013-07-31 15:09 ` Peter Zijlstra
2013-07-31 18:06 ` Srikar Dronamraju
2013-07-31 18:06 ` Srikar Dronamraju
2013-07-30 9:15 ` Srikar Dronamraju
2013-07-30 9:15 ` Srikar Dronamraju
2013-07-30 9:33 ` Peter Zijlstra
2013-07-30 9:33 ` Peter Zijlstra
2013-07-31 17:35 ` Srikar Dronamraju
2013-07-31 17:35 ` Srikar Dronamraju
2013-07-31 13:33 ` Andrew Theurer
2013-07-31 13:33 ` Andrew Theurer
2013-07-31 15:43 ` Srikar Dronamraju [this message]
2013-07-31 15:43 ` Srikar Dronamraju
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