Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758020AbbGQM4C (ORCPT ); Fri, 17 Jul 2015 08:56:02 -0400 Received: from casper.infradead.org ([85.118.1.10]:49509 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757989AbbGQMz6 (ORCPT ); Fri, 17 Jul 2015 08:55:58 -0400 Date: Fri, 17 Jul 2015 14:55:49 +0200 From: Peter Zijlstra To: Mark Rutland Cc: "kan.liang@intel.com" , "mingo@redhat.com" , "acme@kernel.org" , "eranian@google.com" , "ak@linux.intel.com" , "adrian.hunter@intel.com" , "dsahern@gmail.com" , "jolsa@kernel.org" , "namhyung@kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 4/9] perf/x86: special case per-cpu core misc PMU events Message-ID: <20150717125549.GJ19282@twins.programming.kicks-ass.net> References: <1437078831-10152-1-git-send-email-kan.liang@intel.com> <1437078831-10152-5-git-send-email-kan.liang@intel.com> <20150717122105.GD26091@leverpostej> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150717122105.GD26091@leverpostej> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 585 Lines: 14 On Fri, Jul 17, 2015 at 01:21:06PM +0100, Mark Rutland wrote: > > As with my earlier comments, I don't think these can be grouped with > events (not even from the same PMU given their free-running nature). > > They're CPU-affine, so you can associate them with work done on that > CPU. Just record the deltas from them while you're on. -- 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/