From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Galbraith Subject: Re: [PATCH RT] rt,ipc,sem: fix -rt livelock Date: Fri, 13 Sep 2013 14:56:37 +0200 Message-ID: <1379076997.5455.159.camel@marge.simpson.net> References: <20130819213324.405942342@goodmis.org> <1377842245.5422.7.camel@marge.simpson.net> <1377873580.5422.25.camel@marge.simpson.net> <1377926850.6234.22.camel@marge.simpson.net> <1378451338.5434.91.camel@marge.simpson.net> <1378794614.6046.37.camel@marge.simpson.net> <52307814.4020104@colorfullife.com> <1378971628.10696.88.camel@marge.simpson.net> <20130912151547.389673d2@gandalf.local.home> <1379042421.5455.47.camel@marge.simpson.net> <1379047001.5455.100.camel@marge.simpson.net> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Manfred Spraul , linux-rt-users , Thomas Gleixner , Sebastian Andrzej Siewior , Peter Zijlstra To: Steven Rostedt Return-path: Received: from moutng.kundenserver.de ([212.227.17.9]:57277 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754987Ab3IMM4y (ORCPT ); Fri, 13 Sep 2013 08:56:54 -0400 In-Reply-To: <1379047001.5455.100.camel@marge.simpson.net> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Fri, 2013-09-13 at 06:36 +0200, Mike Galbraith wrote: > 3.10.10-rt7 scales horridly, is erratic as all hell whether configured > PREEMPT_FULL/1000 or NOPREEMPT/250. Ditto pure 3.10.10 NOPREEMPT/250. Bah. Forget 3.10 horrid behavior, Manfred's patches went into 3.11, not 3.10.. so 3.10-longterm has stable horrid behavior. Sometimes stability doesn't sound all that wonderful. -Mike