From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759413Ab0ECNnK (ORCPT ); Mon, 3 May 2010 09:43:10 -0400 Received: from mailout2.zih.tu-dresden.de ([141.30.67.73]:38928 "EHLO mailout2.zih.tu-dresden.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932386Ab0ECNnH convert rfc822-to-8bit (ORCPT ); Mon, 3 May 2010 09:43:07 -0400 X-Greylist: delayed 1424 seconds by postgrey-1.27 at vger.kernel.org; Mon, 03 May 2010 09:43:07 EDT Message-ID: <4BDECD66.2010906@tu-dresden.de> Date: Mon, 03 May 2010 15:19:34 +0200 From: =?ISO-8859-15?Q?Ronny_Tsch=FCter?= User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.9.1.9) Gecko/20100317 Lightning/1.0b1 Thunderbird/3.0.4 MIME-Version: 1.0 To: Arjan van de Ven CC: Ingo Molnar , Thomas Gleixner , Linux Kernel Mailing List Subject: Tracing of power:power_start events doesn't work Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 8BIT X-TUD-Virus-Scanned: mailout2.zih.tu-dresden.de Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, i use kernel version 2.6.33.2 (x86-64, Core 2 Duo) and the perf events to track frequency and c states of my cpu. But if i want to trace power:power_start events, it does not work. After typing echo "power:power_start" | sudo tee set_event on the console, the trace doesn't contain such events. power:power_frequency and power:power_end events are reported correctly by the system. I read in the mailing list that Robert Schoene had a similiar problem, but with power:power_end events. Is there a known bug regarding to trace_power_start methods in process.c? Bye Ronny -- Ronny Tschueter Technische Universität Dresden Center for Information Services and High Performance Computing (ZIH) D-01062 Dresden Germany Office: Willersbau, room A31 Phone: (+49) 351/463-35448 E-Mail: ronny.tschueter@tu-dresden.de WWW: http://www.tu-dresden.de/zih