Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

Lee Revell
2005-07-09T18:37:23Z

On Sat, 2005-07-09 at 20:31 +0200, Arjan van de Ven wrote:
> why?

Because the minimum poll/select timeout is now 4ms rather than 1ms. An
app that has a soft RT constraint somewhere in the middle that worked on
2.6.12 will break on 2.6.13.

> it's a config option. Some distros ship 100 already, others 1000, again
> others will do 250. What does it matter?
> (Although I still prefer 300 over 250 due to the 50/60 thing)
>
> This is not a userspace visible thing really with few exceptions, and
> well people can select the one they want, right?

Then why not leave the default at 1000?

Lee