maemo.org - Talk - Overclock the N900?

Nokia-N900-51-1:~# cat /sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state 

930000 1254967

595000 5492

500000 330866

250000 156020

125000 2275065

This seems to be logical - I watch some videopodcasts with tvout the last two hours and the phone should have been mostly idle during the day.

But I don't really trust the numbers at 125000 and 930000. I think they are too close together (930000 half of 125000 - quite much...) for the usagepattern in the last hours since reboot.

FYI

nokian-series

2010-04-06 20:56

Re: Overclock the N900?

Quote:

Originally Posted by egoshin (Post 598309)

Do in X-Term application:

echo "900000" >/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq

and it switches your N900 to 900MHz maximum frequency.

(EDIT: wrong file)

Ok, but i've allready applied the 900 Mhz kernel image, last two days.
With heavy usage, i see with conky that goes to 900 Mhz. (or isn't that true? if is not..why i see my n900 more and more faster?).

I dont understand a lot of english..maybe i'm not explaining correctly..sorry..

What should be the real effects and improvements of change the scaling max freq to 9000000 , if i have actualy the 900 Mhz kernel? Cant understant.. sorry, and one more time, i'll apreciate all the help and explain..

:: I know how to edit the \etc\mpconfig file ...can do that there (if i'll do..dont know for what is it :S ::

Lehto

2010-04-06 20:59

Re: Overclock the N900?

If conky says 900mhz, then its running @ 900mhz.

dscobsct

2010-04-06 21:02

Re: Overclock the N900?

how the hell does playing a song with the default music player mostly take up 50-60% of 800mhz? is this pulseaudio problem, is everyones the same or just my device?

kangou

2010-04-06 21:02

Re: Overclock the N900?

Quote:

Originally Posted by egoshin (Post 598309)

Do in X-Term application:

echo "900000" >/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq

and it switches your N900 to 900MHz maximum frequency.

(EDIT: wrong file)

I'm also running the 900 Mhz Kernel and Conky displays "900Mhz" (and I can feel the difference), but scaling_max_freq gives me "600000"... There is something wrong ?

nokian-series

2010-04-06 21:04

Re: Overclock the N900?

Quote:

Originally Posted by Lehto (Post 598337)

If conky says 900mhz, then its running @ 900mhz.

Thank You a lot lehto.
Two awnsers (yes or no) to i feel explained.

So, it dont matter what information is in the mpconfig file to the "max freq"?

So, 'us' who apply that kernel imagens, dont need to edit the max freq at the mpconfig file?

I'm actually with excelent results..videos, games, wifi, gps.. tomorrow or after i'll put here some battery graphs : )

UNderworld

2010-04-06 21:05

Re: Overclock the N900?

If we can temporarily set the max clockspeed to, say 800mhz or 900mhz,, is it not possible to put the command in an app??

say, we run a 125-600 mhz for normal use, and have buttons in the app to get 800,900,950.... ??

or even widgets??

Lehto

2010-04-06 21:06

Re: Overclock the N900?

Quote:

Originally Posted by nokian-series (Post 598346)

1. No, it does not matter. No need to edit

2. No. No need to edit...

UNderworld

2010-04-06 21:06

Re: Overclock the N900?

Quote:

Originally Posted by kangou (Post 598344)

I'm also running the 900 Mhz Kernel and Conky displays "900Mhz" (and I can feel the difference), but scaling_max_freq gives me "600000"... There is something wrong ?

same here :confused:

titan

2010-04-06 21:09

Re: Overclock the N900?

Quote:

Originally Posted by Faz (Post 598311)

Many thanks titan!!!
If anyone is having issues with this it may be may due to inadvertently installing kernel-flasher-maemo from the Dev Testing repository instead of the Testing repo.

interesting. according to http://maemo.org/packages/package_in....6.28-maemo19/
the latest version 2.6.28-maemo19 should be both in testing and devel.

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