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From: preeti@linux.vnet.ibm.com (Preeti U Murthy)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 04/12] sched: Allow all archs to set the capacity_orig
Date: Wed, 03 Sep 2014 14:11:14 +0530	[thread overview]
Message-ID: <5406D42A.8090209@linux.vnet.ibm.com> (raw)
In-Reply-To: <CAKfTPtCNPYOi9OY37nbG9o71n4i5mxxvrRow0SgL_9pVK1LpMA@mail.gmail.com>

On 09/01/2014 01:35 PM, Vincent Guittot wrote:
> On 30 August 2014 19:07, Preeti U Murthy <preeti@linux.vnet.ibm.com> wrote:
>> Hi Vincent,
>>
>> On 08/26/2014 04:36 PM, Vincent Guittot wrote:
>>> capacity_orig is only changed for system with a SMT sched_domain level in order
>>
>> I think I had asked this before, but why only capacity_orig? The
>> capacity of a group is also being updated the same way. This patch fixes
>> the capacity of a group to reflect the capacity of the heterogeneous
>> CPUs in it, this capacity being both the full capacity of the group:
>> capacity_orig and the capacity available for the fair tasks. So I feel
>> in the subject as well as the changelog it would suffice to say 'capacity'.
> 
> IIRC, we discussed that point on a former version. The patch changes
> only the behavior of capacity_orig but the behavior of capacity stays
> unchanged as all archs can already set the capacity whereas the
> capacity_orig was configurable only if the SD_SHARE_CPUCAPACITY was
> set in the sched_domain. This is no more the case with this patch
> which creates arch_scale_cpu_capacity for setting capacity_orig.

Yes, sorry I overlooked that.

Reviewed-by: Preeti U. Murthy <preeti@linux.vnet.ibm.com>

Regards
Preeti U Murthy

  reply	other threads:[~2014-09-03  8:41 UTC|newest]

Thread overview: 79+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-26 11:06 [PATCH v5 00/12] sched: consolidation of cpu_capacity Vincent Guittot
2014-08-26 11:06 ` [PATCH v5 01/12] sched: fix imbalance flag reset Vincent Guittot
2014-08-26 11:06 ` [PATCH v5 02/12] sched: remove a wake_affine condition Vincent Guittot
2014-08-26 11:06 ` [PATCH v5 03/12] sched: fix avg_load computation Vincent Guittot
2014-08-30 12:00   ` Preeti U Murthy
2014-09-03 11:09     ` Vincent Guittot
2014-09-03 23:43       ` Tim Chen
2014-09-04  7:17         ` Vincent Guittot
2014-09-04 16:26           ` Tim Chen
2014-09-05 11:10   ` Preeti U Murthy
2014-08-26 11:06 ` [PATCH v5 04/12] sched: Allow all archs to set the capacity_orig Vincent Guittot
2014-08-27 13:12   ` Kamalesh Babulal
2014-08-30 17:07   ` Preeti U Murthy
2014-09-01  8:05     ` Vincent Guittot
2014-09-03  8:41       ` Preeti U Murthy [this message]
2014-09-10 13:50     ` Peter Zijlstra
2014-09-10 14:22       ` Vincent Guittot
2014-09-11 10:36       ` Preeti U Murthy
2014-08-26 11:06 ` [PATCH v5 05/12] ARM: topology: use new cpu_capacity interface Vincent Guittot
2014-09-11 18:52   ` Nicolas Pitre
2014-08-26 11:06 ` [PATCH v5 06/12] sched: add per rq cpu_capacity_orig Vincent Guittot
2014-08-27 13:32   ` Kamalesh Babulal
2014-08-28  7:34     ` Vincent Guittot
2014-09-10 13:53   ` Peter Zijlstra
2014-09-10 14:19     ` Vincent Guittot
2014-09-11 19:02   ` Nicolas Pitre
2014-09-15 21:22     ` Vincent Guittot
2014-08-26 11:06 ` [PATCH v5 07/12] sched: test the cpu's capacity in wake affine Vincent Guittot
2014-09-10 14:19   ` Peter Zijlstra
2014-08-26 11:06 ` [PATCH v5 08/12] sched: move cfs task on a CPU with higher capacity Vincent Guittot
2014-08-30 17:50   ` Preeti U Murthy
2014-09-01  8:45     ` Vincent Guittot
2014-09-03  9:11       ` Preeti U Murthy
2014-09-03 11:44         ` Vincent Guittot
2014-09-03 12:26           ` Preeti U Murthy
2014-09-03 12:49             ` Vincent Guittot
2014-09-11  9:27             ` Peter Zijlstra
2014-09-05 12:06   ` Preeti U Murthy
2014-09-05 12:24     ` Vincent Guittot
2014-09-11 10:07   ` Peter Zijlstra
2014-09-11 11:20     ` Vincent Guittot
2014-09-11 10:13   ` Peter Zijlstra
2014-09-11 12:14     ` Vincent Guittot
2014-09-11 11:54   ` Peter Zijlstra
2014-08-26 11:06 ` [PATCH v5 09/12] sched: add usage_load_avg Vincent Guittot
2014-09-04  7:34   ` [PATCH v5 09/11] " Vincent Guittot
2014-09-11 11:17     ` Peter Zijlstra
2014-09-11 11:17   ` [PATCH v5 09/12] " Peter Zijlstra
2014-09-11 12:18     ` Vincent Guittot
2014-09-11 12:20     ` Vincent Guittot
2014-09-15 19:15   ` Morten Rasmussen
2014-09-15 22:33     ` Vincent Guittot
2014-08-26 11:06 ` [PATCH v5 10/12] sched: get CPU's utilization statistic Vincent Guittot
2014-09-11 12:34   ` Peter Zijlstra
2014-09-11 13:07     ` Vincent Guittot
2014-09-11 14:04       ` Peter Zijlstra
2014-09-11 19:17         ` Nicolas Pitre
2014-09-12  7:41           ` Vincent Guittot
2014-09-15 19:45         ` Morten Rasmussen
2014-09-16 22:43           ` Vincent Guittot
2014-09-15 19:28     ` Morten Rasmussen
2014-08-26 11:06 ` [PATCH v5 11/12] sched: replace capacity_factor by utilization Vincent Guittot
2014-09-11 15:39   ` Peter Zijlstra
2014-09-11 16:15   ` Peter Zijlstra
2014-09-11 17:26     ` Vincent Guittot
2014-09-14 19:41       ` Peter Zijlstra
2014-09-14 19:51         ` Peter Zijlstra
2014-09-15 11:42         ` Peter Zijlstra
2014-09-15 19:07           ` Nicolas Pitre
2014-09-15 20:01             ` Peter Zijlstra
2014-09-17 18:45               ` Morten Rasmussen
2014-09-17 18:58                 ` Morten Rasmussen
2014-09-17 23:03                 ` Peter Zijlstra
2014-09-15 22:14           ` Vincent Guittot
2014-09-15 22:18             ` Vincent Guittot
2014-09-17 22:25             ` Peter Zijlstra
2014-09-18  1:32               ` Vincent Guittot
2014-09-16 17:00         ` Dietmar Eggemann
2014-08-26 11:06 ` [PATCH v5 12/12] sched: add SD_PREFER_SIBLING for SMT level Vincent Guittot

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