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Date: Wed, 18 Jun 1997 01:33:55 -0700 (PDT)
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From: Simon Shapiro <Shimon@i-Connect.Net>
To: FreeBSD-Hackers@FreeBSD.org
Subject: High Resolution Timers, How?
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Hi Y'all,

I am in need for a precise, high resolution timer within the kernel.
I need it to time certain instructions, functions, and I/O events.

The best i could find is a global variable called time which claims
to have a usec resolution but;  Either I am exceptionally lucky and
always hit it on a x000000 resolution, or it is not telling the
truth.  i need a timer that will increment in usec resolution or
as close to it as I can get.

Any help will be appreciated.

Simon