From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755470Ab0BRNrM (ORCPT ); Thu, 18 Feb 2010 08:47:12 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:55119 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753533Ab0BRNrL (ORCPT ); Thu, 18 Feb 2010 08:47:11 -0500 Subject: Re: perf record and multiple events From: Peter Zijlstra To: Eric B Munson Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo In-Reply-To: <20100217173822.GA4137@us.ibm.com> References: <20100217173822.GA4137@us.ibm.com> Content-Type: text/plain; charset="UTF-8" Date: Thu, 18 Feb 2010 14:47:01 +0100 Message-ID: <1266500821.26719.649.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2010-02-17 at 17:38 +0000, Eric B Munson wrote: > While testing perf record I found that when multiple events are specified > on the command line, i.e. perf record -e dTLB-misses -e cache-misses, > the are lumped into a single category on output from perf report. The > same event specification gives two event categories when using perf stat. > Is this working as expected or should I see seperate entries in the report > for each event? The tools currently lack support for this, but patches are welcome.