From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752890Ab2DBTLl (ORCPT ); Mon, 2 Apr 2012 15:11:41 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:55588 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752650Ab2DBTLg (ORCPT ); Mon, 2 Apr 2012 15:11:36 -0400 Date: Mon, 2 Apr 2012 21:11:23 +0200 From: Ingo Molnar To: Robert Richter Cc: Ingo Molnar , Peter Zijlstra , Stephane Eranian , Arnaldo Carvalho de Melo , LKML Subject: Re: [PATCH 00/12] perf/x86-ibs: Precise event sampling with IBS for AMD CPUs Message-ID: <20120402191123.GA17124@gmail.com> References: <1333390758-10893-1-git-send-email-robert.richter@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1333390758-10893-1-git-send-email-robert.richter@amd.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Robert Richter wrote: > perf record -a -e cpu-cycles:p ... # use ibs op counting cycle count Cool - this makes IBS really useful! Mind posting some perf annotate output of any well-known kernel function showing skiddy '-e cpu-cycles' output versus skid-less '-e cpu-cycles:p' output? I'm curious how well this works in practice. Thanks, Ingo