Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752198AbcKGUQY (ORCPT ); Mon, 7 Nov 2016 15:16:24 -0500 Received: from smtprelay0065.hostedemail.com ([216.40.44.65]:47645 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750905AbcKGUQV (ORCPT ); Mon, 7 Nov 2016 15:16:21 -0500 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1538:1593:1594:1711:1714:1730:1747:1777:1792:2393:2553:2559:2562:3138:3139:3140:3141:3142:3350:3622:3865:3867:3870:3873:3874:4250:5007:6261:7875:10004:10400:10848:10967:11232:11658:11914:12663:12740:12760:13069:13311:13357:13439:14181:14659:21080:30012:30054:30090:30091,0,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,LFtime:4,LUA_SUMMARY:none X-HE-Tag: shelf64_715e76737dc15 X-Filterd-Recvd-Size: 1893 Date: Mon, 7 Nov 2016 15:16:17 -0500 From: Steven Rostedt To: Daniel Bristot de Oliveira Cc: Christoph Lameter , Daniel Bristot de Oliveira , Ingo Molnar , Peter Zijlstra , linux-rt-users , LKML Subject: Re: [PATCH] sched/rt: RT_RUNTIME_GREED sched feature Message-ID: <20161107151617.486b1b42@gandalf.local.home> In-Reply-To: <1e79f711-95f1-da2f-f572-1ac4329c8be7@bristot.me> References: <20161107133207.4282de69@gandalf.local.home> <20161107144738.4811a5dd@gandalf.local.home> <20161107150003.66777b43@gandalf.local.home> <1e79f711-95f1-da2f-f572-1ac4329c8be7@bristot.me> X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; 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: 475 Lines: 12 On Mon, 7 Nov 2016 21:06:50 +0100 Daniel Bristot de Oliveira wrote: > The throttling allowed the kworker to run, but once the kworker went to > sleep, the RT tasks started to work again. In the previous behavior, > the system would either go idle, or the kworker would starve because > the runtime become infinity for RR tasks. I'm confused? Are you saying that RR tasks don't get throttled in the current code? That sounds like a bug to me. -- Steve