From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: "Toralf Förster" <toralf.foerster@gmx.de>
Cc: "linux-pm >> Linux PM list" <linux-pm@vger.kernel.org>,
Kristen Carlson Accardi <kristen@linux.intel.com>
Subject: Re: pwoertop frequencies not ordered descending
Date: Mon, 26 Jan 2015 15:30:41 +0100 [thread overview]
Message-ID: <7198242.H54ftQFeuz@vostro.rjw.lan> (raw)
In-Reply-To: <54C6474E.6080805@gmx.de>
Cc: Kristen
On Monday, January 26, 2015 02:55:26 PM Toralf Förster wrote:
> With the ACPI driver (and CPU governor "ondemand") the output of powertop looked always fine.
> However with the P-State driver I do now have this output at 2 hardened 64 bit Gentoo Linux systems:
>
>
> PowerTOP 2.6 Overview Idle stats Frequency stats Device stats Tunables
>
>
> Package | Core | CPU 0 CPU 1
> | | Actual 2.6 GHz 2.7 GHz
> Idle 0.3% | Idle 63.2% | Idle 73.9% 75.0%
> 2.50 GHz 0.1% | 2.50 GHz 0.1% | 2.50 GHz 0.1% 0.0%
> 2.60 GHz 9.0% | 2.60 GHz 8.9% | 2.60 GHz 8.9% 0.3%
> 2.90 GHz 74.5% | 2.90 GHz 13.4% | 2.90 GHz 5.4% 11.3%
> 2.71 GHz 13.5% | 2.71 GHz 12.9% | 2.71 GHz 11.2% 12.3%
> 800 MHz 0.2% | 800 MHz 0.1% | 2.81 GHz 0.5% 0.1%
> 2.81 GHz 2.3% | 2.81 GHz 1.1% | 1200 MHz 0.0% 0.9%
> 900 MHz 0.0% | 1000 MHz 0.1% | 1100 MHz 0.0% 0.1%
> 1000 MHz 0.1% | 1200 MHz 0.0% | 1000 MHz 0.0% 0.0%
> 1200 MHz 0.0% | 900 MHz 0.0% | 800 MHz 0.0% 0.0%
> 1100 MHz 0.0% | 1100 MHz 0.0% | 900 MHz 0.0% 0.0%
> 1300 MHz 0.0% | 1500 MHz 0.0% | 0.0%
> 1500 MHz 0.0% | 1400 MHz 0.0% | 0.0%
> 1400 MHz 0.0% | |
>
> | Core | CPU 2 CPU 3
> | | Actual 2.8 GHz 2.8 GHz
> | Idle 6.6% | Idle 23.1% 24.9%
> | 2.50 GHz 0.1% | 2.50 GHz 0.0% 0.1%
> | 2.60 GHz 8.9% | 2.60 GHz 0.1% 8.9%
> | 2.90 GHz 69.1% | 2.90 GHz 62.9% 62.5%
>
> Is this (partly ?) related to the kernel or just an issue of powertop ?
>
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
prev parent reply other threads:[~2015-01-26 14:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-26 13:55 pwoertop frequencies not ordered descending Toralf Förster
2015-01-26 14:30 ` Rafael J. Wysocki [this message]
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