From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754450AbbETXKs (ORCPT ); Wed, 20 May 2015 19:10:48 -0400 Received: from mga02.intel.com ([134.134.136.20]:48741 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754362AbbETXKn (ORCPT ); Wed, 20 May 2015 19:10:43 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,466,1427785200"; d="scan'208";a="713355068" From: Andi Kleen To: Peter Zijlstra Cc: Vince Weaver , LKML , Stephane Eranian , Arnaldo Carvalho de Melo , Jiri Olsa , Ingo Molnar , Paul Mackerras Subject: Re: perf: odd event scheduling issue References: <20150520070057.GK3644@twins.programming.kicks-ass.net> <20150520092842.GF18673@twins.programming.kicks-ass.net> <20150520135209.GI18673@twins.programming.kicks-ass.net> <20150520152534.GJ18673@twins.programming.kicks-ass.net> <20150520160802.GL18673@twins.programming.kicks-ass.net> <20150520162811.GN18673@twins.programming.kicks-ass.net> Date: Wed, 20 May 2015 16:10:42 -0700 In-Reply-To: <20150520162811.GN18673@twins.programming.kicks-ass.net> (Peter Zijlstra's message of "Wed, 20 May 2015 18:28:11 +0200") Message-ID: <87bnhej159.fsf@tassilo.jf.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Peter Zijlstra writes: > > Secondly, we should only enforce this limit if and when there are > exclusive events on the system I suppose. That's the key part really and absolutely needed. -Andi -- ak@linux.intel.com -- Speaking for myself only