From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934886AbbEOPuv (ORCPT ); Fri, 15 May 2015 11:50:51 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:50715 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934826AbbEOPus (ORCPT ); Fri, 15 May 2015 11:50:48 -0400 Message-Id: <20150515154333.712161952@infradead.org> User-Agent: quilt/0.61-1 Date: Fri, 15 May 2015 17:43:33 +0200 From: Peter Zijlstra To: mingo@kernel.org, riel@redhat.com Cc: dedekind1@gmail.com, linux-kernel@vger.kernel.org, mgorman@suse.de, peterz@infradead.org, rostedt@goodmis.org, juri.lelli@arm.com Subject: [RFC][PATCH 0/4] sched,numa: pinned task accounting Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Here's a first few patches that provide pinned task accounting; they are boot tested only so far. I don't think this is enough to address Artem's regression, but its a foundation to add some more smarts. In particular we should make it harder still to migrate well placed tasks away due to these pinned tasks. Rostedt, Juri, please double check what I did to your resp. set_cpus_allowed methods. --- include/linux/kthread.h | 1 + include/linux/sched.h | 7 ----- kernel/kthread.c | 20 ++++++++++++--- kernel/sched/core.c | 66 ++++++++++++++++++++++++++++++++++++++++++------ kernel/sched/deadline.c | 35 ++----------------------- kernel/sched/fair.c | 43 +++++++++++++++++++++++++------ kernel/sched/idle_task.c | 1 + kernel/sched/rt.c | 41 +----------------------------- kernel/sched/sched.h | 3 +++ kernel/sched/stop_task.c | 1 + kernel/workqueue.c | 11 ++------ 11 files changed, 121 insertions(+), 108 deletions(-)