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 |
next prev parent 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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