Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751378AbbEGUWV (ORCPT ); Thu, 7 May 2015 16:22:21 -0400 Received: from smtprelay0129.hostedemail.com ([216.40.44.129]:48192 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751021AbbEGUWS (ORCPT ); Thu, 7 May 2015 16:22:18 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1538:1593:1594:1711:1714:1730:1747:1777:1792:2393:2553:2559:2562:3138:3139:3140:3141:3142:3350:3622:3865:3867:3870:3871:3872:3873:3874:5007:6261:7514:7875:10004:10400:10848:10967:11232:11658:11914:12517:12519:12740:13069:13311:13357:21080,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: ice40_13e37293aba36 X-Filterd-Recvd-Size: 1696 Date: Thu, 7 May 2015 16:22:15 -0400 From: Steven Rostedt To: Ronny Meeus Cc: Mike Galbraith , linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: Issue in PI boosting code in __sched_setscheduler Message-ID: <20150507162215.75d23279@gandalf.local.home> In-Reply-To: References: <1430413502.3180.157.camel@gmail.com> <20150430132840.6d550b64@gandalf.local.home> <20150505232301.19f99734@grimm.local.home> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) 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 Content-Length: 739 Lines: 20 On Thu, 7 May 2015 22:17:48 +0200 Ronny Meeus wrote: > > View on what? > > Whether the real-time priority threads are used a lot. > I have the impression that there are severe issues in the Linux eco > system (Kernel+glibc) when it comes to real-time priority handling. > It matters what you want from the thread. Real-time is about determinism, not throughput. Most actions are about throughput, so it would not surprise me that they do not make them RT. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/