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List Archive: gentoo-amd64
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To: gentoo-amd64@g.o
From: Sergio Polini <sp_rm_it@...>
Subject: Re: [gentoo-amd64 Gentoo Linux Tuning Guide
Date: Thu, 27 Apr 2006 17:47:53 +0200
Fernando Boaglio:
> It's not about startup time, it's about running time, sometimes the
> systems freezes
> a little bit, just like asking for more CPU or RAM.

I'ld look at the cpu frequency governor.
>From /usr/src/linux/drivers/cpufreq/Kconfig, about the 'conservative' 
governor:

"If you have a desktop machine then you should really be considering 
the 'ondemand' governor instead, however if you are using a laptop, 
PDA or even an AMD64 based computer (due to the unacceptable 
step-by-step latency issues between the minimum and maximum frequency 
transitions in the CPU) you will probably want to use this governor."

As far as I can understand, this means that AMD64 takes "a lot" of 
time to switch between two frequencies, so "the system freezes a 
little bit" when this happens.

This is why I've choosen the conservative governor for my HP dv5000 
laptop.

My 2 cents ;-)

Sergio

-- 
gentoo-amd64@g.o mailing list


Replies:
Re: [gentoo-amd64 Gentoo Linux Tuning Guide
-- Fernando Boaglio
Re: [gentoo-amd64 Gentoo Linux Tuning Guide
-- Paolo Ripamonti
References:
[gentoo-amd64 Gentoo Linux Tuning Guide
-- Fernando Boaglio
Re: [gentoo-amd64 Gentoo Linux Tuning Guide
-- Mike Arthur
Re: [gentoo-amd64 Gentoo Linux Tuning Guide
-- Fernando Boaglio
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Updated Jun 17, 2009

Summary: Archive of the gentoo-amd64 mailing list.

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