Skip site navigation (1)Skip section navigation (2)
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> 

next in thread | previous in thread | raw e-mail | index | archive | help
> 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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200111110321.fAB3LKE33297>