From owner-freebsd-current@FreeBSD.ORG  Tue Apr 24 20:16:48 2007
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To: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=)
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Tue, 24 Apr 2007 16:13:59 +0200."
	<86r6q9hnbs.fsf@dwp.des.no> 
Date: Tue, 24 Apr 2007 20:16:41 +0000
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Cc: Tim Kientzle <kientzle@freebsd.org>, David G Lawrence <dg@dglawrence.com>,
	"Jesper B. Rosenkilde" <jbr@humppa.dk>, current@freebsd.org
Subject: Re: Suggestions on Avoiding syscall Overhead 
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In message <86r6q9hnbs.fsf@dwp.des.no>, Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?= 
writes:
>des@des.no (Dag-Erling Sm=F8rgrav) writes:
>> gettimeofday(2) returns a value in microseconds, but this does not
>> necessarily mean that it has microsecond precision.
>
>s/precision/resolution/

Actually:

s/precision/& or resolution/

Can I recommend that you not try the timestamping functions first,
get something simple like uname(2) working first, then contact
me and I'll help you get timecounters involved.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@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.