Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751644Ab3FIVOz (ORCPT ); Sun, 9 Jun 2013 17:14:55 -0400 Received: from mail.skyhub.de ([78.46.96.112]:44033 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751120Ab3FIVOx (ORCPT ); Sun, 9 Jun 2013 17:14:53 -0400 Date: Sun, 9 Jun 2013 23:14:49 +0200 From: Borislav Petkov To: "Rafael J. Wysocki" Cc: Stratos Karafotis , Borislav Petkov , Viresh Kumar , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , linux-pm@vger.kernel.org, cpufreq@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 1/3] cpufreq: ondemand: Change the calculation of target frequency Message-ID: <20130609211449.GA5517@pd.tnic> References: <20130609162653.GA5004@pd.tnic> <51B4C497.2030308@semaphore.gr> <7661669.NhG4BEI8zO@vostro.rjw.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <7661669.NhG4BEI8zO@vostro.rjw.lan> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 954 Lines: 26 On Sun, Jun 09, 2013 at 10:58:51PM +0200, Rafael J. Wysocki wrote: > Can you possibly prepare a graph showing both the execution time > and energy consumption for several different loop durations in your > program (let's keep the 5000 us sleep for now), including multiples of > sampling_rate as well as some other durations? Judgind by the times in C0 one of the cores spent, this small program is single-threaded and is a microbenchmark. And you know how optimizing against a microbenchmark doesn't really make a lot of sense. I wonder if lmbench or aim9 or whatever would make more sense to try here... Thanks. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/