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From: Mike Galbraith <efault@gmx.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, vincent.guittot@linaro.org,
	linux-kernel@vger.kernel.org, juri.lelli@redhat.com,
	dietmar.eggemann@arm.com, rostedt@goodmis.org,
	bsegall@google.com, mgorman@suse.de, bristot@redhat.com,
	corbet@lwn.net, qyousef@layalina.io, chris.hyser@oracle.com,
	patrick.bellasi@matbug.net, pjt@google.com, pavel@ucw.cz,
	qperret@google.com, tim.c.chen@linux.intel.com,
	joshdon@google.com, timj@gnu.org, kprateek.nayak@amd.com,
	yu.c.chen@intel.com, youssefesmat@chromium.org,
	joel@joelfernandes.org
Subject: Re: [PATCH 10/10] sched/fair: Implement an EEVDF like policy
Date: Sat, 11 Mar 2023 06:53:30 +0100	[thread overview]
Message-ID: <58e8015255706fbe83e3a83df8c781bbc734e2a0.camel@gmx.de> (raw)
In-Reply-To: <20230310203814.GA1605437@hirez.programming.kicks-ass.net>

On Fri, 2023-03-10 at 21:38 +0100, Peter Zijlstra wrote:
> On Thu, Mar 09, 2023 at 05:23:33AM +0100, Mike Galbraith wrote:
> > Ok, seems there must be a math booboo lurking.
>
> Yep that.. please try the version I pushed out here:
>
>   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=sched/eevdf
>
> (It's based on 6.3-rc1, but it should be trivial to rebase onto v6.2 if
> you so wish.)

I stuffed it into .today.  Yup, extreme sleeper stinginess is gone.

tbench/netperf numbers look roughly as previously.  massive_intr vs
desktop CPU distribution improved as expected, but (to me) oddly, the
amount of desktop beating up itself did not.

These are all .today

perf.data.eevdf
  Task                  |   Runtime ms  | Switches | Avg delay ms    | Max delay ms    | Sum delay ms     | Max delay start           | Max delay end          |
  massive_intr:(9)      |1499451.694 ms |   647385 | avg:   0.940 ms | max:  27.969 ms | sum:608348.424 ms | max start:   467.219496 s | max end:   467.247465 s
  TOTAL:                |2369880.457 ms |  2797272 |                                     |   1243484.857 ms |
perf.data.eevdf_FAIR_SLEEPERS
  Task                  |   Runtime ms  | Switches | Avg delay ms    | Max delay ms    | Sum delay ms     | Max delay start           | Max delay end          |
  massive_intr:(9)      |1415743.272 ms |   714999 | avg:   1.013 ms | max:  73.722 ms | sum:724624.600 ms | max start:  2678.846216 s | max end:  2678.919938 s
  TOTAL:                |2362333.392 ms |  2871586 |                                     |   1238748.802 ms |
perf.data.master
  Task                  |   Runtime ms  | Switches | Avg delay ms    | Max delay ms    | Sum delay ms     | Max delay start           | Max delay end          |
  massive_intr:(9)      |1463798.673 ms |   598383 | avg:   0.730 ms | max:  40.029 ms | sum:437069.674 ms | max start:   945.022965 s | max end:   945.062994 s
  TOTAL:                |2370011.937 ms |  1109828 |                                     |    616408.789 ms |

  reply	other threads:[~2023-03-11  5:55 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-06 13:25 [PATCH 00/10] sched: EEVDF using latency-nice Peter Zijlstra
2023-03-06 13:25 ` [PATCH 01/10] sched: Introduce latency-nice as a per-task attribute Peter Zijlstra
2023-03-06 13:25 ` [PATCH 02/10] sched/core: Propagate parent tasks latency requirements to the child task Peter Zijlstra
2023-03-06 13:25 ` [PATCH 03/10] sched: Allow sched_{get,set}attr to change latency_nice of the task Peter Zijlstra
2023-03-06 13:25 ` [PATCH 04/10] sched/fair: Add latency_offset Peter Zijlstra
2023-03-06 13:25 ` [PATCH 05/10] sched/fair: Add sched group latency support Peter Zijlstra
2023-03-06 13:25 ` [PATCH 06/10] sched/fair: Add avg_vruntime Peter Zijlstra
2023-03-21 13:58   ` Chen Yu
2023-03-21 16:04     ` Peter Zijlstra
2023-03-24  7:12       ` Chen Yu
2023-03-24 10:03         ` Peter Zijlstra
2023-03-06 13:25 ` [PATCH 07/10] sched/fair: Remove START_DEBIT Peter Zijlstra
2023-03-06 13:25 ` [PATCH 08/10] sched/fair: Add lag based placement Peter Zijlstra
2023-03-16 22:49   ` Tim Chen
2023-03-06 13:25 ` [PATCH 09/10] rbtree: Add rb_add_augmented_cached() helper Peter Zijlstra
2023-03-06 13:25 ` [PATCH 10/10] sched/fair: Implement an EEVDF like policy Peter Zijlstra
2023-03-08  8:39   ` Mike Galbraith
2023-03-08  9:26     ` Mike Galbraith
2023-03-08 13:36     ` Mike Galbraith
2023-03-09  4:23       ` Mike Galbraith
2023-03-10 20:38         ` Peter Zijlstra
2023-03-11  5:53           ` Mike Galbraith [this message]
2023-03-11  7:56             ` Mike Galbraith
2023-03-09  9:06       ` Peter Zijlstra
2023-03-09 12:44         ` Peter Zijlstra
2023-03-09 15:29           ` Peter Zijlstra
2023-03-09 15:39             ` Peter Zijlstra
2023-03-09 16:24             ` Mike Galbraith
2023-03-09 16:42             ` Peter Zijlstra
2023-03-07 10:27 ` [PATCH 00/10] sched: EEVDF using latency-nice Vincent Guittot
2023-03-07 13:08   ` Peter Zijlstra
2023-03-08 15:13 ` Shrikanth Hegde
2023-03-22  6:49 ` K Prateek Nayak
2023-03-22  9:38   ` K Prateek Nayak
2023-03-23 11:53 ` Pavel Machek

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