Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758290Ab1D2C23 (ORCPT ); Thu, 28 Apr 2011 22:28:29 -0400 Received: from mga09.intel.com ([134.134.136.24]:29243 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756940Ab1D2C22 (ORCPT ); Thu, 28 Apr 2011 22:28:28 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.64,284,1301900400"; d="scan'208";a="739989262" Date: Thu, 28 Apr 2011 19:28:19 -0700 From: Andi Kleen To: Vince Weaver Cc: Ingo Molnar , Arnaldo Carvalho de Melo , linux-kernel@vger.kernel.org, Peter Zijlstra , Stephane Eranian , Lin Ming , Arnaldo Carvalho de Melo , Thomas Gleixner , Peter Zijlstra Subject: Re: [PATCH 1/1] perf tools: Add missing user space support for config1/config2 Message-ID: <20110429022819.GA6750@alboin.amr.corp.intel.com> References: <1303407662-15564-2-git-send-email-acme@infradead.org> <20110422063429.GA16643@elte.hu> <20110422080604.GA22611@elte.hu> <20110425175444.GC28239@elte.hu> <20110426073847.GB30630@elte.hu> <20110427065241.GF17079@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 714 Lines: 19 > I know it is fun to reinvent the wheel, but you ignored decades of > experience in dealing with perf-counters when you ran off and invented > perf_events. It will bite you eventually. s/eventually// A good example for that is perf events counted completely bogus LLC generalized cache events for several releases (before the offcore patches went in). And BTW they now completely changed again with Peter's changed, counting something quite different. -Andi -- 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/