Re: #define HZ 1024 -- negative effects?

From: Nigel Gamble (
Date: Wed Apr 25 2001 - 17:40:45 EST

On Tue, 24 Apr 2001, Michael Rothwell wrote:
> Are there any negative effects of editing include/asm/param.h to change
> HZ from 100 to 1024? Or any other number? This has been suggested as a
> way to improve the responsiveness of the GUI on a Linux system. Does it
> throw off anything else, like serial port timing, etc.?

Why not just run the X server at a realtime priority? Then it will get
to respond to existing events, such as keyboard and mouse input,
promptly without creating lots of superfluous extra clock interrupts.
I think you will find this is a better solution.

Nigel Gamble
Mountain View, CA, USA.

MontaVista Software

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