Date: Sat, 10 Nov 2001 22:21:20 -0500 From: "Louis A. Mamakos" <louie@TransSys.COM> To: Warner Losh <imp@harmony.village.org> Cc: freebsd-hackers@FreeBSD.ORG, Poul-Henning Kamp <phk@critter.freebsd.dk> Subject: Re: Measuring interrupt latency Message-ID: <200111110321.fAB3LKE33297@whizzo.transsys.com> In-Reply-To: Your message of "Sat, 10 Nov 2001 14:00:58 MST." <200111102100.fAAL0w766516@harmony.village.org> References: <200111091845.fA9IjIE19568@whizzo.transsys.com> <574.1005324178@critter.freebsd.dk> <200111091703.fA9H3B753981@harmony.village.org> <200111102100.fAAL0w766516@harmony.village.org>
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> In message <200111091845.fA9IjIE19568@whizzo.transsys.com> "Louis A. Mamakos" writes: > : One a related, timekeeping note: is there any interest in updating or > : extending the SO_TIMESTAMP socket option to return higher resolution > : timestamps? Currently, it returns a struct timeval. > > I think that's a great idea. Something compatible with others would > be my first choice. My second choice would be phk's 64.64 idea. > > Warner I don't believe there is another SO_TIMESTAMP implementation with higher resolution timestamps (e.g., nanoseconds). I'll have a look at what exactly the Linux folks did; I think the code in ther other *BSD's is a port of the FreeBSD code. louie To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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