From: Yuyang Du <yuyang.du@intel.com>
To: Steve Muckle <steve.muckle@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
Vincent Guittot <vincent.guittot@linaro.org>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Juri Lelli <Juri.Lelli@arm.com>,
Patrick Bellasi <patrick.bellasi@arm.com>,
Michael Turquette <mturquette@baylibre.com>
Subject: Re: [RFCv7 PATCH 00/10] sched: scheduler-driven CPU frequency selection
Date: Wed, 30 Mar 2016 08:45:06 +0800 [thread overview]
Message-ID: <20160330004506.GB22689@intel.com> (raw)
In-Reply-To: <1456190570-4475-1-git-send-email-smuckle@linaro.org>
Hi Steve,
On Mon, Feb 22, 2016 at 05:22:40PM -0800, Steve Muckle wrote:
> The number of times the busy
> duration exceeds the period of the periodic workload (an "overrun") is
> also recorded.
Could you please explain more about overrun?
> SCHED_OTHER workload:
> wload parameters ondemand interactive sched
> run period loops OR OH OR OH OR OH
> 1 100 100 0 62.07% 0 100.02% 0 78.49%
> 10 1000 10 0 21.80% 0 22.74% 0 72.56%
> 1 10 1000 0 21.72% 0 63.08% 0 52.40%
> 10 100 100 0 8.09% 0 15.53% 0 17.33%
> 100 1000 10 0 1.83% 0 1.77% 0 0.29%
> 6 33 300 0 15.32% 0 8.60% 0 17.34%
> 66 333 30 0 0.79% 0 3.18% 0 12.26%
> 4 10 1000 0 5.87% 0 10.21% 0 6.15%
> 40 100 100 0 0.41% 0 0.04% 0 2.68%
> 400 1000 10 0 0.42% 0 0.50% 0 1.22%
> 5 9 1000 2 3.82% 1 6.10% 0 2.51%
> 50 90 100 0 0.19% 0 0.05% 0 1.71%
> 500 900 10 0 0.37% 0 0.38% 0 1.82%
> 9 12 1000 6 1.79% 1 0.77% 0 0.26%
> 90 120 100 0 0.16% 1 0.05% 0 0.49%
> 900 1200 10 0 0.09% 0 0.26% 0 0.62%
Could you please also explain what we can learn from the wload vs. OH/OR
results?
Or if you have already explained these questions before, could you please
point to the links? Thank you.
Yuyang
next prev parent reply other threads:[~2016-03-30 8:28 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-23 1:22 [RFCv7 PATCH 00/10] sched: scheduler-driven CPU frequency selection Steve Muckle
2016-02-23 1:22 ` [RFCv7 PATCH 01/10] sched: Compute cpu capacity available at current frequency Steve Muckle
2016-02-23 1:41 ` Rafael J. Wysocki
2016-02-23 9:19 ` Peter Zijlstra
2016-02-26 1:37 ` Rafael J. Wysocki
2016-02-26 9:14 ` Peter Zijlstra
2016-02-23 1:22 ` [RFCv7 PATCH 02/10] cpufreq: introduce cpufreq_driver_is_slow Steve Muckle
2016-02-23 1:31 ` Rafael J. Wysocki
2016-02-26 0:50 ` Michael Turquette
2016-02-26 1:07 ` Steve Muckle
2016-02-26 1:16 ` Rafael J. Wysocki
[not found] ` <20160226185503.2278.20479@quark.deferred.io>
2016-02-26 21:00 ` Rafael J. Wysocki
2016-02-23 1:22 ` [RFCv7 PATCH 03/10] sched: scheduler-driven cpu frequency selection Steve Muckle
2016-02-25 3:55 ` Rafael J. Wysocki
2016-02-25 9:21 ` Peter Zijlstra
2016-02-25 21:04 ` Rafael J. Wysocki
2016-02-25 9:28 ` Peter Zijlstra
2016-02-25 21:08 ` Rafael J. Wysocki
2016-02-26 9:18 ` Peter Zijlstra
2016-02-27 0:08 ` Rafael J. Wysocki
2016-03-01 12:57 ` Peter Zijlstra
2016-03-01 19:44 ` Rafael J. Wysocki
2016-02-25 11:04 ` Rafael J. Wysocki
2016-02-26 0:34 ` Steve Muckle
2016-02-27 2:39 ` Rafael J. Wysocki
2016-02-27 4:17 ` Steve Muckle
2016-02-28 2:26 ` Rafael J. Wysocki
2016-03-01 14:31 ` Peter Zijlstra
2016-03-01 20:32 ` Rafael J. Wysocki
2016-03-01 13:26 ` Peter Zijlstra
2016-03-01 13:17 ` Peter Zijlstra
2016-03-02 7:49 ` Michael Turquette
2016-03-03 2:49 ` Rafael J. Wysocki
2016-03-03 3:50 ` Steve Muckle
2016-03-03 9:34 ` Juri Lelli
2016-03-03 13:03 ` Peter Zijlstra
2016-03-03 14:21 ` Ingo Molnar
2016-02-23 1:22 ` [RFCv7 PATCH 04/10] sched/fair: add triggers for OPP change requests Steve Muckle
2016-03-01 6:51 ` Ricky Liang
2016-03-03 3:55 ` Steve Muckle
2016-02-23 1:22 ` [RFCv7 PATCH 05/10] sched/{core,fair}: trigger OPP change request on fork() Steve Muckle
2016-02-23 1:22 ` [RFCv7 PATCH 06/10] sched/fair: cpufreq_sched triggers for load balancing Steve Muckle
2016-02-23 1:22 ` [RFCv7 PATCH 07/10] sched/fair: jump to max OPP when crossing UP threshold Steve Muckle
2016-02-23 1:22 ` [RFCv7 PATCH 08/10] sched: remove call of sched_avg_update from sched_rt_avg_update Steve Muckle
2016-02-23 1:22 ` [RFCv7 PATCH 09/10] sched/deadline: split rt_avg in 2 distincts metrics Steve Muckle
2016-02-23 1:22 ` [RFCv7 PATCH 10/10] sched: rt scheduler sets capacity requirement Steve Muckle
2016-02-23 1:33 ` [RFCv7 PATCH 00/10] sched: scheduler-driven CPU frequency selection Steve Muckle
2016-03-30 0:45 ` Yuyang Du [this message]
2016-03-31 1:35 ` Steve Muckle
2016-03-30 20:22 ` Yuyang Du
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