From: Rick Lindsley <ricklind@linux.vnet.ibm.com>
To: Steve Sistare <steven.sistare@oracle.com>,
mingo@redhat.com, peterz@infradead.org
Cc: subhra.mazumdar@oracle.com, dhaval.giani@oracle.com,
daniel.m.jordan@oracle.com, pavel.tatashin@microsoft.com,
matt@codeblueprint.co.uk, umgwanakikbuti@gmail.com,
riel@redhat.com, jbacik@fb.com, juri.lelli@redhat.com,
valentin.schneider@arm.com, vincent.guittot@linaro.org,
quentin.perret@arm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 10/10] sched/fair: Provide idle search schedstats
Date: Mon, 24 Dec 2018 04:25:37 -0800 [thread overview]
Message-ID: <6966a01e-8144-f268-ac9b-3e6fad3a5b2d@linux.vnet.ibm.com> (raw)
In-Reply-To: <1544131696-2888-11-git-send-email-steven.sistare@oracle.com>
On 12/06/2018 01:28 PM, Steve Sistare wrote:
> Add schedstats to measure the effectiveness of searching for idle CPUs
> and stealing tasks. This is a temporary patch intended for use during
> development only. SCHEDSTAT_VERSION is bumped to 16, and the following
> fields are added to the per-CPU statistics of /proc/schedstat:
Why only temporary? It would seem that this might be useful information in the future too, for other developers with either new code or new use cases.
Rick
next prev parent reply other threads:[~2018-12-24 12:26 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-06 21:28 [PATCH v4 00/10] steal tasks to improve CPU utilization Steve Sistare
2018-12-06 21:28 ` [PATCH v4 01/10] sched: Provide sparsemask, a reduced contention bitmap Steve Sistare
2019-01-31 19:18 ` Tim Chen
2018-12-06 21:28 ` [PATCH v4 02/10] sched/topology: Provide hooks to allocate data shared per LLC Steve Sistare
2018-12-06 21:28 ` [PATCH v4 03/10] sched/topology: Provide cfs_overload_cpus bitmap Steve Sistare
2018-12-07 20:20 ` Valentin Schneider
2018-12-07 22:35 ` Steven Sistare
2018-12-08 18:33 ` Valentin Schneider
2018-12-06 21:28 ` [PATCH v4 04/10] sched/fair: Dynamically update cfs_overload_cpus Steve Sistare
2018-12-07 20:20 ` Valentin Schneider
2018-12-07 22:35 ` Steven Sistare
2018-12-08 18:47 ` Valentin Schneider
2018-12-06 21:28 ` [PATCH v4 05/10] sched/fair: Hoist idle_stamp up from idle_balance Steve Sistare
2018-12-06 21:28 ` [PATCH v4 06/10] sched/fair: Generalize the detach_task interface Steve Sistare
2018-12-06 21:28 ` [PATCH v4 07/10] sched/fair: Provide can_migrate_task_llc Steve Sistare
2018-12-06 21:28 ` [PATCH v4 08/10] sched/fair: Steal work from an overloaded CPU when CPU goes idle Steve Sistare
2018-12-07 20:21 ` Valentin Schneider
2018-12-07 22:36 ` Steven Sistare
2018-12-08 18:39 ` Valentin Schneider
2018-12-06 21:28 ` [PATCH v4 09/10] sched/fair: disable stealing if too many NUMA nodes Steve Sistare
2018-12-07 11:43 ` Valentin Schneider
2018-12-07 13:37 ` Steven Sistare
2018-12-06 21:28 ` [PATCH v4 10/10] sched/fair: Provide idle search schedstats Steve Sistare
2018-12-07 11:56 ` Valentin Schneider
2018-12-07 13:45 ` Steven Sistare
2018-12-24 12:25 ` Rick Lindsley [this message]
2019-01-14 17:04 ` Steven Sistare
2018-12-07 20:30 ` [PATCH v4 00/10] steal tasks to improve CPU utilization Valentin Schneider
2018-12-07 22:36 ` Steven Sistare
2019-02-01 15:07 ` Valentin Schneider
2018-12-10 16:10 ` Vincent Guittot
2018-12-10 16:29 ` Steven Sistare
2018-12-10 16:33 ` Vincent Guittot
2018-12-10 17:08 ` Vincent Guittot
2018-12-10 17:20 ` Steven Sistare
2018-12-10 17:06 ` Valentin Schneider
2019-01-04 13:44 ` Shijith Thotton
2019-01-14 16:55 ` Steven Sistare
2019-01-31 17:16 ` Dhaval Giani
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