All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christian Flamm <alcc@gmx.de>
To: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
	cpufreq@lists.linux.org.uk
Subject: Re: I haven't been able to set the chosen policy for CPU0
Date: Mon, 19 May 2008 20:00:25 +0200	[thread overview]
Message-ID: <200805192000.26380.alcc@gmx.de> (raw)
In-Reply-To: <924EFEDD5F540B4284297C4DC59F3DEE01119E34@orsmsx423.amr.corp.intel.com>

> >>>I think I can now reproduce that misbehaviour. I happens when
> >>>both of my cores
> >>>are at 100%  - than min- *and* max-frequency fall down to
> >>>minimum (1000000Hz)

> >> Looks like the CPUs are being driver to lower freq due to temperature
> >> limits. CPUs being busy is increasing the temp and they go

> >to lower freq

> >> until they reach the lower temp. Looking at
> >> /proc/acpi/thermal_zone/*/*
> >> when this happens can confirm this.

> >First of all, thx for the reply.

> >Before, at, and after the freqency falls doen to minimum:

> >$ cat /proc/acpi/thermal_zone/THM0/state
> >state:                   ok

> >So its something else.

> BTW, what does other values in THM0/* look like. Temp, passive, active,
> etc..

Maybe you're right.

Temperature increases up to 83°C and then the cpu seems to get auto-throttled.

$ ls /proc/acpi/thermal_zone/THM0/
cooling_mode  polling_frequency  state  temperature  trip_points

$cat /proc/acpi/thermal_zone/THM0/cooling_mode
<setting not supported>

  parent reply	other threads:[~2008-05-19 18:00 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-19 16:42 I haven't been able to set the chosen policy for CPU0 Christian Flamm
2008-05-19 17:11 ` Pallipadi, Venkatesh
2008-05-19 17:18   ` Christian Flamm
     [not found] ` <200805191916.25692.alcc@gmx.de>
     [not found]   ` <924EFEDD5F540B4284297C4DC59F3DEE01119E34@orsmsx423.amr.corp.intel.com>
2008-05-19 18:00     ` Christian Flamm [this message]
  -- strict thread matches above, loose matches on Subject: below --
2008-05-19 10:31 Christian Flamm

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200805192000.26380.alcc@gmx.de \
    --to=alcc@gmx.de \
    --cc=cpufreq@lists.linux.org.uk \
    --cc=venkatesh.pallipadi@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.