At 04:49 PM 5/22/00 -0700, Josh MacDonald wrote:
>Quoting Jonathan S. Shapiro (shap@eros-os.org):
>> What's the granularity? I want better than seconds. It's not that I think
>> the clocks are accurate, but more bits tends to avoid sort collisions even
>> when they are bad bits.
>>
>
>I would try to have granularity of at least nanoseconds. The FreeBSD
>stat command returns nanosecond granularity for ctime, atime, and mtime.
>A 64bit counter is good at this granularity for about 580 years. Maybe
>you want to avoid the Y2.5K problem, maybe you don't. I would prefer
>storing a string representation of the number of nanoseconds since the
>epoch and using 64bits for internal computation.
Josh - What clock gives that kind of granularity? I thought the best you could do was the CPU clock which only gives you nanosecond granularity if you are running a 1000MHz or better processor.
Cheers - Bill