From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752002AbaIJXpQ (ORCPT ); Wed, 10 Sep 2014 19:45:16 -0400 Received: from v094114.home.net.pl ([79.96.170.134]:55552 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751457AbaIJXpO (ORCPT ); Wed, 10 Sep 2014 19:45:14 -0400 From: "Rafael J. Wysocki" To: Anup Chenthamarakshan Cc: Dirk Brandewie , Sameer Nanda , Viresh Kumar , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] intel_pstate: track and export frequency residency stats via sysfs. Date: Thu, 11 Sep 2014 02:04:44 +0200 Message-ID: <7546673.Ir6ttItgPU@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.16.0-rc5+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <20140910233905.GA2439@google.com> References: <1410221424-20590-1-git-send-email-anupc@chromium.org> <1610826.tK4V65ABJD@vostro.rjw.lan> <20140910233905.GA2439@google.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday, September 10, 2014 04:39:05 PM Anup Chenthamarakshan wrote: > On Thu, Sep 11, 2014 at 12:49:48AM +0200, Rafael J. Wysocki wrote: > > On Wednesday, September 10, 2014 03:15:08 PM Anup Chenthamarakshan wrote: > > > > > > Tools like powertop and turbostat are not present by default on all systems, > > > so it is not always possible to use them :( > > > > Which systems are you referring to in particular? > > We're testing on Chrome OS devices (Chromebooks). How big of a deal is it to install the tools mentioned above on such a system? At least turbostat is shipped with the kernel source. -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.