From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754475AbZBJCsT (ORCPT ); Mon, 9 Feb 2009 21:48:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752547AbZBJCsK (ORCPT ); Mon, 9 Feb 2009 21:48:10 -0500 Received: from wf-out-1314.google.com ([209.85.200.174]:8678 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752275AbZBJCsJ (ORCPT ); Mon, 9 Feb 2009 21:48:09 -0500 MIME-Version: 1.0 In-Reply-To: <20090205120608.GB8799@elte.hu> References: <20090205112414.104100700@chello.nl> <20090205120608.GB8799@elte.hu> Date: Tue, 10 Feb 2009 10:48:07 +0800 Message-ID: Subject: Re: [PATCH 0/2] fix the itimer regression (BZ 12618) From: Lin Ming To: Ingo Molnar Cc: Peter Zijlstra , tglx@linutronix.de, oleg@redhat.com, linux-kernel@vger.kernel.org, yanmin_zhang@linux.intel.com, seto.hidetoshi@jp.fujitsu.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 5, 2009 at 8:06 PM, Ingo Molnar wrote: > > * Peter Zijlstra wrote: > >> This should hopefully address all the itimer borkage. > > Applied to tip:timers/urgent, thanks Peter! > > Yanmin: could you check hacbench_pth with latest tip/master, do > these fixes resolve that 3% regression you reported? hacbench_pth still has regression with 2.6.29-rc4. Below 2 patches that fixed the regression are not merged into 2.6.29-rc4. commit 32bd671d6cbeda60dc73be77fa2b9037d9a9bfa0 Author: Peter Zijlstra Date: Thu Feb 5 12:24:15 2009 +0100 signal: re-add dead task accumulation stats. commit 4cd4c1b40d40447fb5e7ba80746c6d7ba91d7a53 Author: Peter Zijlstra Date: Thu Feb 5 12:24:16 2009 +0100 timers: split process wide cpu clocks/timers Lin Ming