From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Understanding perf mem -t load results Date: Wed, 08 Jan 2014 11:44:25 -0800 Message-ID: <87ppo245t2.fsf@tassilo.jf.intel.com> References: <1776760155.10395562.1386857164818.JavaMail.root@insa-lyon.fr> <877gb5vmmn.fsf@tassilo.jf.intel.com> <52AE2721.8020501@insa-lyon.fr> <20131215234548.GP21717@two.firstfloor.org> <20131224021822.GH20765@two.firstfloor.org> <52B93352.2030909@gmail.com> <20131224072813.GI20765@two.firstfloor.org> <52B93B01.4020305@gmail.com> <20131224212728.GK20765@two.firstfloor.org> <52BAB2A8.1040709@gmail.com> <87wqib4h5m.fsf@tassilo.jf.intel.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mga02.intel.com ([134.134.136.20]:33479 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750861AbaAHToq (ORCPT ); Wed, 8 Jan 2014 14:44:46 -0500 In-Reply-To: (Manuel Selva's message of "Wed, 8 Jan 2014 09:53:18 +0100") Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Manuel Selva Cc: linux-perf-users@vger.kernel.org Manuel Selva writes: > In previous answer, you told me that the > PERF_SAMPLE_IP field is filled with "the IP of a random core on the > socket that happens to read the uncore registers", This was for uncore sampling, not perf mem. perf mem reports the core IP. -Andi -- ak@linux.intel.com -- Speaking for myself only