From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: Re: [PATCH] tracing, perf: add more power related events Date: Wed, 22 Sep 2010 08:33:01 -0700 Message-ID: <4C9A21AD.1000800@linux.intel.com> References: <201009171736.14170.trenn@suse.de> <20100917162412.GB3341@elte.hu> <201009180026.59482.trenn@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mga14.intel.com ([143.182.124.37]:19016 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753788Ab0IVPdE (ORCPT ); Wed, 22 Sep 2010 11:33:04 -0400 In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Jean Pihet Cc: Thomas Renninger , Ingo Molnar , Peter Zijlstra , Len Brown , arjan@infradead.org, Kevin Hilman , linux-kernel@vger.kernel.org, discuss@lesswatts.org, linux-pm@lists.linux-foundation.org, linux-omap@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-trace-users@vger.kernel.org On 9/22/2010 8:31 AM, Jean Pihet wrote: > Hi, > > Here is a patch that redefines the power events API. The advantages > are: easier maintainance of the kernel and the > user space tools, a cleaner and more generic interface, more > parameters for fine tracing and even documentation! > > Thomas, this patch has your patch above merged in ('power-trace: Use > power_switch_state instead of power_start and power_end'). The revised > ACPI patch is coming asap. > > The trace points for x86 and OMAP are also udated accordingly. > > The pytimechart tool needs an update for the new API. This can be done > as soon as the kernel code gets merged in. unfortunately this code is changing a userspace ABI... we really shouldn't do that if we can avoid it, and here we can avoid it. applications ARE using this stuff!