Re: HZ, preferably as small as possible

Robert Love
2002-07-12T00:52:38Z

On Thu, 2002-07-11 at 17:50, Thunder from the hill wrote:

> On Thu, 11 Jul 2002, Stevie O wrote:
> > Why must HZ be the same as 'interrupts per second'?
>
> s/interrupts/scheduler calls/

Uh, HZ is not scheduler calls per second.

Neither exactly is it interrupts per second, but _timer_ interrupts per
second. It is the frequency of the timer interrupt.

> But what exactly does this question mean to be? I don't fully understand.
> We define HZ to have an interval for the calls of the scheduler. That's
> why it is the number of scheduler calls per second, because that's what it
> was invented to be.

No no no...

Robert Love