Re: Why HZ on i386 is 100 ?

Rik van Riel
2002-04-16T15:32:47Z

On Tue, 16 Apr 2002, Mark Mielke wrote:

> Increasing the HZ can only improve responsiveness, however, there is a
> cost (mentioned by others). The cost is that the scheduler is executed
> more often per second. If the scheduler does the same amount of work
> per tick, but there are more ticks per second, the scheduler does more
> work overall, and the CPU is free for use by the processes less.

Why are you discussing Linux 1.2 ?

Linux is not running the scheduler each cpu tick and hasn't
done this for years.

regards,

Rik
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