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From: Peter Zijlstra <peterz@infradead.org>
To: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Aaron Lu <aaron.lu@linux.alibaba.com>,
	mingo@kernel.org, tglx@linutronix.de, pjt@google.com,
	torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
	subhra.mazumdar@oracle.com, fweisbec@gmail.com,
	keescook@chromium.org, kerrnel@google.com,
	Aubrey Li <aubrey.intel@gmail.com>,
	Julien Desfossez <jdesfossez@digitalocean.com>
Subject: Re: [RFC][PATCH 13/16] sched: Add core wide task selection and scheduling.
Date: Wed, 10 Apr 2019 10:06:30 +0200	[thread overview]
Message-ID: <20190410080630.GY11158@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <460ce6fb-6a40-4a72-47e8-cf9c7c409bef@linux.intel.com>

On Tue, Apr 09, 2019 at 11:09:45AM -0700, Tim Chen wrote:
> Now that we have accumulated quite a number of different fixes to your orginal
> posted patches.  Would you like to post a v2 of the core scheduler with the fixes?

Well, I was promised someome else was going to carry all this, also,
while you're all having fun playing with this, I've not yet had answers
to the important questions of how L1TF complete we want to be and if all
this crud actually matters one way or the other.

Also, I still don't see this stuff working for high context switch rate
workloads, and that is exactly what some people were aiming for..



  parent reply	other threads:[~2019-04-10  8:06 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-18 16:56 [RFC][PATCH 00/16] sched: Core scheduling Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 01/16] stop_machine: Fix stop_cpus_in_progress ordering Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 02/16] sched: Fix kerneldoc comment for ia64_set_curr_task Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 03/16] sched: Wrap rq::lock access Peter Zijlstra
2019-02-19 16:13   ` Phil Auld
2019-02-19 16:22     ` Peter Zijlstra
2019-02-19 16:37       ` Phil Auld
2019-03-18 15:41   ` Julien Desfossez
2019-03-20  2:29     ` Subhra Mazumdar
2019-03-21 21:20       ` Julien Desfossez
2019-03-22 13:34         ` Peter Zijlstra
2019-03-22 20:59           ` Julien Desfossez
2019-03-23  0:06         ` Subhra Mazumdar
2019-03-27  1:02           ` Subhra Mazumdar
2019-03-29 13:35           ` Julien Desfossez
2019-03-29 22:23             ` Subhra Mazumdar
2019-04-01 21:35               ` Subhra Mazumdar
2019-04-03 20:16                 ` Julien Desfossez
2019-04-05  1:30                   ` Subhra Mazumdar
2019-04-02  7:42               ` Peter Zijlstra
2019-03-22 23:28       ` Tim Chen
2019-03-22 23:44         ` Tim Chen
2019-02-18 16:56 ` [RFC][PATCH 04/16] sched/{rt,deadline}: Fix set_next_task vs pick_next_task Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 05/16] sched: Add task_struct pointer to sched_class::set_curr_task Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 06/16] sched/fair: Export newidle_balance() Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 07/16] sched: Allow put_prev_task() to drop rq->lock Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 08/16] sched: Rework pick_next_task() slow-path Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 09/16] sched: Introduce sched_class::pick_task() Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 10/16] sched: Core-wide rq->lock Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 11/16] sched: Basic tracking of matching tasks Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 12/16] sched: A quick and dirty cgroup tagging interface Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 13/16] sched: Add core wide task selection and scheduling Peter Zijlstra
     [not found]   ` <20190402064612.GA46500@aaronlu>
2019-04-02  8:28     ` Peter Zijlstra
2019-04-02 13:20       ` Aaron Lu
2019-04-05 14:55       ` Aaron Lu
2019-04-09 18:09         ` Tim Chen
2019-04-10  4:36           ` Aaron Lu
2019-04-10 14:18             ` Aubrey Li
2019-04-11  2:11               ` Aaron Lu
2019-04-10 14:44             ` Peter Zijlstra
2019-04-11  3:05               ` Aaron Lu
2019-04-11  9:19                 ` Peter Zijlstra
2019-04-10  8:06           ` Peter Zijlstra [this message]
2019-04-10 19:58             ` Vineeth Remanan Pillai
2019-04-15 16:59             ` Julien Desfossez
2019-04-16 13:43       ` Aaron Lu
2019-04-09 18:38   ` Julien Desfossez
2019-04-10 15:01     ` Peter Zijlstra
2019-04-11  0:11     ` Subhra Mazumdar
2019-04-19  8:40       ` Ingo Molnar
2019-04-19 23:16         ` Subhra Mazumdar
2019-02-18 16:56 ` [RFC][PATCH 14/16] sched/fair: Add a few assertions Peter Zijlstra
2019-02-18 16:56 ` [RFC][PATCH 15/16] sched: Trivial forced-newidle balancer Peter Zijlstra
2019-02-21 16:19   ` Valentin Schneider
2019-02-21 16:41     ` Peter Zijlstra
2019-02-21 16:47       ` Peter Zijlstra
2019-02-21 18:28         ` Valentin Schneider
2019-04-04  8:31       ` Aubrey Li
2019-04-06  1:36         ` Aubrey Li
2019-02-18 16:56 ` [RFC][PATCH 16/16] sched: Debug bits Peter Zijlstra
2019-02-18 17:49 ` [RFC][PATCH 00/16] sched: Core scheduling Linus Torvalds
2019-02-18 20:40   ` Peter Zijlstra
2019-02-19  0:29     ` Linus Torvalds
2019-02-19 15:15       ` Ingo Molnar
2019-02-22 12:17     ` Paolo Bonzini
2019-02-22 14:20       ` Peter Zijlstra
2019-02-22 19:26         ` Tim Chen
2019-02-26  8:26           ` Aubrey Li
2019-02-27  7:54             ` Aubrey Li
2019-02-21  2:53   ` Subhra Mazumdar
2019-02-21 14:03     ` Peter Zijlstra
2019-02-21 18:44       ` Subhra Mazumdar
2019-02-22  0:34       ` Subhra Mazumdar
2019-02-22 12:45   ` Mel Gorman
2019-02-22 16:10     ` Mel Gorman
2019-03-08 19:44     ` Subhra Mazumdar
2019-03-11  4:23       ` Aubrey Li
2019-03-11 18:34         ` Subhra Mazumdar
2019-03-11 23:33           ` Subhra Mazumdar
2019-03-12  0:20             ` Greg Kerr
2019-03-12  0:47               ` Subhra Mazumdar
2019-03-12  7:33               ` Aaron Lu
2019-03-12  7:45             ` Aubrey Li
2019-03-13  5:55               ` Aubrey Li
2019-03-14  0:35                 ` Tim Chen
2019-03-14  5:30                   ` Aubrey Li
2019-03-14  6:07                     ` Li, Aubrey
2019-03-18  6:56             ` Aubrey Li
2019-03-12 19:07           ` Pawan Gupta
2019-03-26  7:32       ` Aaron Lu
2019-03-26  7:56         ` Aaron Lu
2019-02-19 22:07 ` Greg Kerr
2019-02-20  9:42   ` Peter Zijlstra
2019-02-20 18:33     ` Greg Kerr
2019-02-22 14:10       ` Peter Zijlstra
2019-03-07 22:06         ` Paolo Bonzini
2019-02-20 18:43     ` Subhra Mazumdar
2019-03-01  2:54 ` Subhra Mazumdar
2019-03-14 15:28 ` Julien Desfossez

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