From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752219Ab1LSDAb (ORCPT ); Sun, 18 Dec 2011 22:00:31 -0500 Received: from TYO202.gate.nec.co.jp ([202.32.8.206]:51651 "EHLO tyo202.gate.nec.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752121Ab1LSDA2 (ORCPT ); Sun, 18 Dec 2011 22:00:28 -0500 Date: Mon, 19 Dec 2011 11:55:08 +0900 From: Daisuke Nishimura To: Ingo Molnar , LKML , cgroups Cc: Peter Zijlstra , Paul Turner , Daisuke Nishimura Subject: Re: [PATCH -tip 0/3] sched: some fixes for vruntime calculation related to cgroup movement(v2) Message-Id: <20111219115508.0d5bc98d.nishimura@mxp.nes.nec.co.jp> In-Reply-To: <20111215143506.335e443e.nishimura@mxp.nes.nec.co.jp> References: <20111213155710.5b453415.nishimura@mxp.nes.nec.co.jp> <20111215143506.335e443e.nishimura@mxp.nes.nec.co.jp> Organization: NEC Soft, Ltd. X-Mailer: Sylpheed 3.1.0 (GTK+ 2.10.14; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Someone who have comments ? If there are some problems that prevent these patches from being accepted, I'll fix them. Thanks, Daisuke Nishimura On Thu, 15 Dec 2011 14:35:06 +0900 Daisuke Nishimura wrote: > Hi, all. > > This is an updated version based on comments and rebased onto the -tip tree. > > These patches fix problems I could see in 3.2-rc2 when testing frequent cgroup movement > under very high load. Without these patches, some processes were not scheduled > (although they were queued into rq)for a very long time(minutes or hours!), > because vruntime of these processes were far bigger than min_vruntime. > > Daisuke Nishimura (3): > sched: fix cgroup movement of newly created process > sched: fix cgroup movement of forking process > sched: fix cgroup movement of waking process > > kernel/sched/fair.c | 22 ++++++++++++++++++++-- > 1 files changed, 20 insertions(+), 2 deletions(-) > > Thanks, > Daisuke Nishimura. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daisuke Nishimura Subject: Re: [PATCH -tip 0/3] sched: some fixes for vruntime calculation related to cgroup movement(v2) Date: Mon, 19 Dec 2011 11:55:08 +0900 Message-ID: <20111219115508.0d5bc98d.nishimura@mxp.nes.nec.co.jp> References: <20111213155710.5b453415.nishimura@mxp.nes.nec.co.jp> <20111215143506.335e443e.nishimura@mxp.nes.nec.co.jp> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20111215143506.335e443e.nishimura-YQH0OdQVrdy45+QrQBaojngSJqDPrsil@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Ingo Molnar , LKML , cgroups Cc: Peter Zijlstra , Paul Turner , Daisuke Nishimura Someone who have comments ? If there are some problems that prevent these patches from being accepted, I'll fix them. Thanks, Daisuke Nishimura On Thu, 15 Dec 2011 14:35:06 +0900 Daisuke Nishimura wrote: > Hi, all. > > This is an updated version based on comments and rebased onto the -tip tree. > > These patches fix problems I could see in 3.2-rc2 when testing frequent cgroup movement > under very high load. Without these patches, some processes were not scheduled > (although they were queued into rq)for a very long time(minutes or hours!), > because vruntime of these processes were far bigger than min_vruntime. > > Daisuke Nishimura (3): > sched: fix cgroup movement of newly created process > sched: fix cgroup movement of forking process > sched: fix cgroup movement of waking process > > kernel/sched/fair.c | 22 ++++++++++++++++++++-- > 1 files changed, 20 insertions(+), 2 deletions(-) > > Thanks, > Daisuke Nishimura.