> The problem is in accounting (or time slicing if you prefer) where we
> need to start a timer each time a task is context switched to, and stop
> it when the task is switched away. The overhead is purely in the set up
> and tear down. MOST of these never expire.
Done properly on many platforms a variable tick is very very easy and also
very efficient to handle. X86 is a paticular problem case because the timer
is so expensive to fiddle with
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This archive was generated by hypermail 2b29 : Tue Apr 23 2002 - 22:00:34 EST