On Wed, 2002-04-10 at 00:41, mark manning wrote:
> thanx - how much of a difference should i expect - i know the syscall is
> asking for at least the required ammount but that the task switcher might
> not give me control back for a while after the requested delay but i was
> expecting to be a little closer to what i had asked for - this isnt critical
> of corse but i would like to know what to expect.
The minimum granularity of the timer is 1/HZ, which on a i386 is only
10ms.
If you want high-resolution timers, check out the high-res-timers
project at http://high-res-timers.sf.net/ - they implement POSIX timers
(which include a nanosleep call) with very high resolution (1/cpu
clock).
Robert Love
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This archive was generated by hypermail 2b29 : Mon Apr 15 2002 - 22:00:14 EST