Re: No 100 HZ timer !

Mikulas Patocka
2001-04-09T22:32:09Z

> > this is one of linux biggest weaknesses. the fixed interval timer is a
> > throwback. it should be replaced with a variable interval timer with interrupts
> > on demand for any system with a cpu sane/modern enough to have an on-chip
> > interrupting decrementer. (i.e just about any modern chip)
>
> Its worth doing even on the ancient x86 boards with the PIT.

Note that programming the PIT is sloooooooow and doing it on every timer
add_timer/del_timer would be a pain.

Mikulas