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Ideas | Propositions

Subjects Author Language Messages Last message
[Locked] a cpu frequency scaling applet?
Guest English 15 fabounet [Read]
22 June 2012 à 12:18

Guest, Thursday 18 November 2010 à 20:31

the default ubuntu toolbar hads this applet called CPU Frequency Scaling Monitor 2.30.0, it allows me to check what speed the processor is at and either boost or throttle it depending on my needs. very useful for my laptop i can force it to stay at 800MHz when she's running to hot or i am on battery power and need to conserve or lock it in at 2.0 GHz when i need the extra power or just leave it on the on demand setting.

i am wondering if we could see something like this in the near future for cairo-dock

kitrana, Thursday 18 November 2010 à 20:47


Subscription date : 18 November 2010
Messages : 1
that was an oops i meant to post that as logged in, took me a while to realise my email != username here

fabounet, Friday 19 November 2010 à 12:42


Subscription date : 30 November 2007
Messages : 17118
it could be integrated in the System-Monitor applet, if there is a dbus interface for that kind of operations.

Guest, Thursday 16 December 2010 à 19:08

bump!

I need this feature as well.
Is anyone working on it?
It can't replace the panel, for me, until I have this control.

Scott

matttbe, Thursday 16 December 2010 à 22:26


Subscription date : 24 January 2009
Messages : 12573
We currently not working on it mostly because it needs some specific rights.
But as workaround, you can install and use Jupiter and enable Systray applet

fabounet, Friday 17 December 2010 à 15:48


Subscription date : 30 November 2007
Messages : 17118
not wirking on it, but I like the idea as well.
if anyone can find how to do, I can give it a try

matttbe, Tuesday 21 December 2010 à 01:36


Subscription date : 24 January 2009
Messages : 12573
@ fabounet: have a look at this webpage => http://www.tuxargon.net/gerer-la-frequence-du-cpu-sous-gnome-sans-mot-de-passe.html

fabounet, Tuesday 21 December 2010 à 10:36


Subscription date : 30 November 2007
Messages : 17118
nice hack, but is this done on a standard Gnome install ?
it requires root access once so we could only do it during the install of the dock.

matttbe, Tuesday 21 December 2010 à 15:34


Subscription date : 24 January 2009
Messages : 12573
it requires root access once so we could only do it during the install of the dock.
yes but we can add some rights to CD in order to modify some specifics files!

fabounet, Tuesday 21 December 2010 à 16:34


Subscription date : 30 November 2007
Messages : 17118
but I'm wondering if the gnome-applet uses this trick.
if yes, then no hesitation, but one question: what's this applet for ? usually the cpu freq is automatically adjusted by the cpu itself isn't it ? (I have some paramaters in my BIOS, it can change automatically between 1 and 2 GHz)

matttbe, Wednesday 22 December 2010 à 19:10


Subscription date : 24 January 2009
Messages : 12573
what's this applet for ?
If you really want to reduce the electric consumption? Or if you want to have a more reactive computer

matttbe, Wednesday 22 December 2010 à 22:43


Subscription date : 24 January 2009
Messages : 12573
@fabounet: you can also have a look at this Python program: https://launchpad.net/indicator-cpufreq
It uses libcpufreq (C)

nochka85, Thursday 23 December 2010 à 12:36


Subscription date : 29 November 2007
Messages : 7408
If you want, I can try to do it as an external applet in python... I'm looking for exercices

fabounet, Thursday 23 December 2010 à 14:40


Subscription date : 30 November 2007
Messages : 17118
nice lib, it has some asm inside !

bishop379, Monday 18 June 2012 à 20:48


Subscription date : 04 March 2012
Messages : 14
I have been around the world and back on the web, trying to find a solution for this. I would love to see a cpu scaling applet, would be a must for every theme!

fabounet, Friday 22 June 2012 à 12:18


Subscription date : 30 November 2007
Messages : 17118
as I understand, one way to do that is to make our own Dbus service
It will export a method "set_frequency", and use libcpufreq for that.
Using a dbus service allows us to use policykit (by adding a custom rule during the installation, so that the service can be run as root and normal user can call its method).

anyone with some free time here ?

but we could make it much easier with a small C binary based on libcpufreq that would have a root setuid and would be called directly by the applet. It seems a bit uglier that using policykit, but in practical terms it will be identical.

Ideas | Propositions

Subjects Author Language Messages Last message
[Locked] a cpu frequency scaling applet?
Guest English 15 fabounet [Read]
22 June 2012 à 12:18


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