Re: No 100 HZ timer !

Alan Cox
2001-04-09T20:11:21Z

> 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. It does require
some driver changes since

while(time_before(jiffies, we_explode))
poll_things();

no longer works