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Posts: 48 | Thanked: 5 times | Joined on Apr 2010
#1
I just observed carefully at my CPU Frequency

Every minutes, CPU frequency will keep switching from 250 MHz to 600 MHz back and forth.

Is this normal?
 
Posts: 670 | Thanked: 747 times | Joined on Aug 2009 @ Kansas City, Missouri, USA
#2
Absolutely perfectly normal. Don't worry about it another minute.
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Posts: 37 | Thanked: 27 times | Joined on Feb 2010 @ Antwerp, Belgium
#3
This is perfectly normal behaviour, yes.
An N900 with standard factory settings (no underclocked or overclocked kernels or anything like that) will switch between a couple of frequencies, depending on how hard it has to work. So if your N900 just sits in your pocket doing nothing (but checking mail every once and a while for instance), it will run at 250 MHz, while when you start up a lot of applications or one heavy application, it will switch to a higher CPU frequency to handle that application.

(I hope my explanation was a bit clarifying )

Dries
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Posts: 378 | Thanked: 206 times | Joined on Dec 2009 @ Denmark
#4
Its called frequency scaling.It scales the freq up and down when cpu load inscreases or decreases.
 

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Posts: 48 | Thanked: 5 times | Joined on Apr 2010
#5
thx in advance to all of the comments

those solved my curiosity
 
Posts: 15 | Thanked: 3 times | Joined on Aug 2010 @ Greece
#6
thanks for the info! i was worried
 
Posts: 1,141 | Thanked: 781 times | Joined on Dec 2009 @ Magical Unicorn Land
#7
Most likely your desktop and laptop do the same thing. It is a way to save power and reduce heat when the CPU is not in use.

For more info read these wikipedia articles:
https://secure.wikimedia.org/wikiped...quency_scaling
https://secure.wikimedia.org/wikiped...oltage_scaling
 
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