In message <436226AF.10109_at_freebsd.org>, David Xu writes: >That's just an idea. :-) >As robert said, add a lower resolution CLOCK_ type may work well. >Another thing I just though of, if reading timercounter is so slow, won't >gettimeofday hardly block cpu too many cycles ? the cpu is just stucked >there by a slow clock in hardware signals. The get*() family of functions just copy a timestamp, they go nowhere near hardware. So they are fast, but less precise (~ 1 msec). -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk_at_FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.Received on Fri Oct 28 2005 - 12:16:24 UTC
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