From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754540Ab0ETRHY (ORCPT ); Thu, 20 May 2010 13:07:24 -0400 Received: from mail-va3.bigfish.com ([216.32.180.114]:53879 "EHLO mail44-va3-R.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752611Ab0ETRHX (ORCPT ); Thu, 20 May 2010 13:07:23 -0400 X-SpamScore: -14 X-BigFish: VPS-14(zz98dN936eM62a3Lzz1202hzzz32i2a8h61h) X-Spam-TCS-SCL: 0:0 X-MS-Exchange-Organization-Antispam-Report: OrigIP: 163.181.251.22;Service: EHS X-WSS-ID: 0L2QA7Y-01-IV3-02 X-M-MSG: Date: Thu, 20 May 2010 19:07:12 +0200 From: Robert Richter To: Ingo Molnar CC: Peter Zijlstra , Stephane Eranian , LKML , Paul Mackerras , David Miller , Will Deacon , Paul Mundt Subject: Re: [PATCH 1/7] perf: introduce raw_type attribute to specify the type of a raw sample Message-ID: <20100520170712.GV21799@erda.amd.com> References: <1274304024-6551-1-git-send-email-robert.richter@amd.com> <1274304024-6551-2-git-send-email-robert.richter@amd.com> <1274347413.5605.13636.camel@twins> <1274351859.5605.13961.camel@twins> <20100520140819.GQ21799@erda.amd.com> <20100520165501.GA8281@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20100520165501.GA8281@elte.hu> User-Agent: Mutt/1.5.20 (2009-06-14) X-Reverse-DNS: ausb3extmailp02.amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20.05.10 12:55:01, Ingo Molnar wrote: > Not really, fds are really cheap on Linux, and in any case it's only needed > when the event is created - can be closed afterwards. I was wondering if we could get the perf event fd directly with the open("/sys/...") command? This would be really easy to set up. -Robert -- Advanced Micro Devices, Inc. Operating System Research Center email: robert.richter@amd.com