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-   Applications (https://talk.maemo.org/forumdisplay.php?f=41)
-   -   [Announce] QCPUFreq - modify your maximum CPU speed (https://talk.maemo.org/showthread.php?t=56757)

cypherth 2010-10-02 19:31
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
Quote:
Originally Posted by direx (Post 831772)
could you please provide the output of this command:
Code:
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies

600000 550000 500000 250000

direx 2010-10-02 19:44
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
OK, in this case it has nothing to do with QCPUFreq - your kernel only supports the frecuencies you have just posted.

You could try a
Code:
uname -a
to see if you are really using the power kernel.

cypherth 2010-10-02 20:00
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
Quote:
Originally Posted by direx (Post 831811)
OK, in this case it has nothing to do with QCPUFreq - your kernel only supports the frecuencies you have just posted.

You could try a
Code:
uname -a
to see if you are really using the power kernel.
thank you for your immediate answer...
the message i receive is : linux nokia-n900-42-11 2.6.28-omap1 #1 preempt sun aug 8 09:50:47 bst 2010 armv71 unknown

what should i do? what does this means? i uninstalled kernel power and reinstalled it but nothi happened...

Megaltariak 2010-10-02 20:36
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
You need to shutdown then power on after installing to use power kernel.

bluefoot 2010-10-03 00:15
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
I just bought an N900 and am slowly familiarising myself with it and adding applications.

However, my research has gotten me nowhere as to which is best, qcpufreq or cpufrequi. Also no idea if cpufrequi changes are permanent - i.e. remain after reboot - or if this is a feature which qcpufreq will be adding. Development, as I understand it, is dead for cpufrequi ... but the commenter here - http://www.my-maemo.com/software/app...to=1388&faq=42 - mentions that some people are working on improving / updating it, however I see no evidence of that on these forums. As this thread attests, qcpufreq seems to be very much alive. What should I do, guys? Could someone do a quick feature comparison?

Airtux 2010-10-03 00:41
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
I have installed the last update (extra-devel), i have find the new button "enable overclcking" i dont like... it's just lost time... sorry.

and i looks my minimum CPU speed is 500MHZ! :eek: it's no good...it's extra-devel. :rolleyes:

cypherth 2010-10-03 05:02
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
Quote:
Originally Posted by Megaltariak (Post 831835)
You need to shutdown then power on after installing to use power kernel.
of course i did that...nothing happened....:mad:
is there any other solution? what am i doing wrong?

direx 2010-10-28 08:54
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
Quote:
Originally Posted by Airtux (Post 831940)
I have installed the last update (extra-devel), i have find the new button "enable overclcking" i dont like... it's just lost time... sorry.
I am planning to add an option in some sort of settings dialog so you only have to enable overclocking once. It's just to prevent noobs with a power kernel from frying their CPU.

Quote:
Originally Posted by Airtux (Post 831940)
and i looks my minimum CPU speed is 500MHZ! :eek: it's no good...it's extra-devel. :rolleyes:
This is probably because you've added 125MHz and 250MHz to avoid_frequencies - so yes: 500MHz probably really is the minimum frequency that the ondemand scaling governor will use.

direx 2010-11-10 13:53
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
Quote:
Originally Posted by Airtux (Post 831940)
I have installed the last update (extra-devel), i have find the new button "enable overclcking" i dont like... it's just lost time... sorry.
Fixed in 0.4.0. Now you only have to enable overclocking once in the QCPUFreq settings dialog.

Could someone please tell me if QCPUFreq with kernel-power 2.6.28-maemo42 (or higher) behaves correctly? I would like to make sure that this works, before I promote a 0.4.*-release to extras-testing.

sophocha 2010-11-10 15:39
Re: [Announce] QCPUFreq - save battery power by adjusting your maximum CPU speed
 
Quote:
Originally Posted by direx (Post 869182)
Fixed in 0.4.0. Now you only have to enable overclocking once in the QCPUFreq settings dialog.

Could someone please tell me if QCPUFreq with kernel-power 2.6.28-maemo42 (or higher) behaves correctly? I would like to make sure that this works, before I promote a 0.4.*-release to extras-testing.
42 kernel with qcpu works fine on my phone!


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