Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752826AbbETHLt (ORCPT ); Wed, 20 May 2015 03:11:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55505 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751714AbbETHLs (ORCPT ); Wed, 20 May 2015 03:11:48 -0400 Date: Wed, 20 May 2015 09:11:38 +0200 From: Jiri Olsa To: Peter Zijlstra Cc: Vince Weaver , LKML , Stephane Eranian , Arnaldo Carvalho de Melo , Ingo Molnar , Paul Mackerras Subject: Re: perf: odd event scheduling issue Message-ID: <20150520071138.GD26714@krava.redhat.com> References: <20150520070057.GK3644@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150520070057.GK3644@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 818 Lines: 23 On Wed, May 20, 2015 at 09:00:57AM +0200, Peter Zijlstra wrote: > On Tue, May 19, 2015 at 11:07:09PM -0400, Vince Weaver wrote: > > Hello > > > > so I'm running 4.1-rc4 on my Haswell machine and a lot of my perf_event > > testsuite is failing. There seems to be weird event scheduling issues. > > > > I can reproduce it with plain perf; simple event groups that should work > > fine can't be scheduled. > > > > vince@haswell:~$ perf stat -e \{cycles,instructions\} sleep 1 > > > > Hmm indeed, my ivb-ep does the same thing. Lemme go poke at that. snb is ok jirka -- 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/