Messages in this thread | | | Date | Mon, 13 Jun 2005 10:48:17 -0600 | From | Chris Friesen <> | Subject | Re: latency error (~2ms) with nanosleep |
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quade wrote: > Playing around with the (simple) measurement of latency-times > I noticed, that the systemcall "nanosleep" has always a minimal > latency from about ~2ms (haven't run it all night, so...). It > seems to be a systematical error.
Known issue. The x86 interrupt usually has a period of slightly less than a ms. It will therefore generally add nearly a whole ms to ensure that it does not ever wait for *less* than specified.
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