From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753775Ab1BFTzv (ORCPT ); Sun, 6 Feb 2011 14:55:51 -0500 Received: from mail-bw0-f46.google.com ([209.85.214.46]:51617 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753367Ab1BFTzu (ORCPT ); Sun, 6 Feb 2011 14:55:50 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=LQ91ALTjP0ZepklAMWpL5fdHmpQJOfEQ4RA4OK2eDwSMNZdLWrJbhB/c+sq/9xKzqJ RpfVLBm6kP3y8kiw1SXL5OISQc0qyhOIwgEU4nT/nP1qJ5IcHRT3wdTxMvgpTY8aLa8+ Lt+0UAvOSWjBZqbWA+JhLx1Ql+ZXI8z6NEmZY= Message-ID: <4D4EFCC1.2080607@gmail.com> Date: Sun, 06 Feb 2011 22:55:45 +0300 From: Cyrill Gorcunov User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7 MIME-Version: 1.0 To: Stephane Eranian CC: Peter Zijlstra , linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org, davem@davemloft.net, fweisbec@gmail.com, perfmon2-devel@lists.sf.net, eranian@gmail.com, robert.richter@amd.com, acme@redhat.com, ming.m.lin@intel.com Subject: Re: [PATCH 0/2] perf_events: add support for Intel fixed counter 2 References: <4d4bf9ac.cf03d90a.2908.2186@mx.google.com> <1296825160.26581.652.camel@laptop> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/05/2011 06:19 PM, Stephane Eranian wrote: > Hi, > > Ok, another, easier, choice would be to use event code 0 (and > umaks 0x1 for instance). I doubt that one will ever be used. > > Seems so, but there is no guarantee I think (at least for p4 there is 0x0 event (tc-deliver-mode)) though 0x1 should make it unique enough. -- Cyrill