From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Renninger Subject: Re: [PATCH 4/4] PERF: fix power:cpu_idle double end events Date: Thu, 4 Nov 2010 09:57:35 +0100 Message-ID: <201011040957.35611.trenn@suse.de> References: <1288136605-10526-1-git-send-email-trenn@suse.de> <201010271742.04545.trenn@suse.de> <1288599088.2712.47.camel@localhost> Mime-Version: 1.0 Content-Type: Text/Plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from cantor.suse.de ([195.135.220.2]:54149 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751111Ab0KDI5j convert rfc822-to-8bit (ORCPT ); Thu, 4 Nov 2010 04:57:39 -0400 In-Reply-To: <1288599088.2712.47.camel@localhost> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Robert =?utf-8?q?Sch=C3=B6ne?= Cc: arjan@linux.intel.com, jean.pihet@newoldbits.com, mingo@elte.hu, rjw@sisk.pl, linux-omap@vger.kernel.org, linux-pm@lists.linux-foundation.org, linux-trace-users@vger.kernel.org Hi Robert, On Monday 01 November 2010 09:11:28 Robert Sch=C3=B6ne wrote: > Am Mittwoch, den 27.10.2010, 17:42 +0200 schrieb Thomas Renninger: >=20 > > Robert: I expect you tested this on a machine with no cpuidle > > driver registered? >=20 > You're right, there was no idle driver, but the idle process from > process_64.c which called the idle routine. > I reported my thoughts on this on 14th of May this year 2010, mostly > claiming for a standard on where to report these events. >=20 > You're also missing the other idle routines from x86/kernel/process.c > mwait_idle_with_hints and mwait_idle only throw start events, so they > should behave like default_idle. poll_idle on the other hand reports > the end event itself. I added you to CC of a patch that fixes the issue (and all other double= =20 or missing (for acpi_idle driver) events) in a nice generic way. It needs further userspace adjustings and I still wait for this separate patch series to go into some branch. Thanks, Thomas -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html