From: Qais Yousef <qais.yousef@arm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>,
mingo@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 3/4] sched/topology: remove smt_gain
Date: Mon, 10 Sep 2018 12:23:47 +0100 [thread overview]
Message-ID: <477033c2-87e5-0b7e-4263-a8d2e336e050@arm.com> (raw)
In-Reply-To: <20180907124252.GM24082@hirez.programming.kicks-ass.net>
On 07/09/18 13:42, Peter Zijlstra wrote:
> On Wed, Aug 29, 2018 at 03:08:38PM +0100, Qais Yousef wrote:
>> It was hard to track the history of this and *why* it's needed.
> Yeah, my bad..
>
> So at some point I wanted to do dynamic capacity and dynamic smt gain by
> using the x86 APERF/MPERF stuff. But it never quite worked and we got
> stuck with the remnants.
OK thanks for the info. I think that was 10 years ago? With all the code
moves and renaming git log -L was getting more difficult to use as I dug
deeper in history :p
Is this work officially dead then? If yes, it ended up not being useful
or just never got around finishing it?
Thanks
--
Qais Yousef
next prev parent reply other threads:[~2018-09-10 11:23 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-29 13:19 [PATCH 0/4] sched/numa: remove unused code Vincent Guittot
2018-08-29 13:19 ` [PATCH 1/4] sched/numa: remove unused code from update_numa_stats() Vincent Guittot
2018-09-04 6:39 ` Srikar Dronamraju
2018-09-10 10:19 ` [tip:sched/core] sched/numa: Remove " tip-bot for Vincent Guittot
2018-08-29 13:19 ` [PATCH 2/4] sched/numa: remove unused nr_running field Vincent Guittot
2018-09-04 6:40 ` Srikar Dronamraju
2018-09-10 10:20 ` [tip:sched/core] sched/numa: Remove unused numa_stats::nr_running field tip-bot for Vincent Guittot
2018-08-29 13:19 ` [RFC PATCH 3/4] sched/topology: remove smt_gain Vincent Guittot
2018-08-29 14:08 ` Qais Yousef
2018-08-29 14:42 ` Vincent Guittot
2018-09-07 12:42 ` Peter Zijlstra
2018-09-10 11:23 ` Qais Yousef [this message]
2018-09-04 8:24 ` Srikar Dronamraju
2018-09-04 9:36 ` Vincent Guittot
2018-09-04 10:37 ` Srikar Dronamraju
2018-09-05 7:36 ` Vincent Guittot
2018-09-05 8:50 ` Srikar Dronamraju
2018-09-05 9:11 ` Vincent Guittot
2018-09-05 11:14 ` Srikar Dronamraju
2018-09-06 9:21 ` Vincent Guittot
2018-09-10 11:05 ` Qais Yousef
2018-09-10 10:07 ` [tip:sched/core] sched/fair: Fix scale_rt_capacity() for SMT tip-bot for Vincent Guittot
2018-12-11 15:31 ` [tip:sched/core] sched/topology: Remove the ::smt_gain field from 'struct sched_domain' tip-bot for Vincent Guittot
2018-08-29 13:19 ` [RFC PATCH 4/4] sched/topology: remove unused sd param from arch_scale_cpu_capacity() Vincent Guittot
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