From owner-freebsd-alpha  Mon Nov 11 14:26:42 2002
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From: Andrew Gallatin <gallatin@cs.duke.edu>
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Date: Mon, 11 Nov 2002 17:26:08 -0500 (EST)
To: "Michael A. Mackey" <michael-mackey@uiowa.edu>
Cc: freebsd-alpha@freebsd.org
Subject: Re: Extreme time drift in SMP mode
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Michael A. Mackey writes:
 > test timing results:
 > 
 > bash$ /usr/bin/time sleep 10
 > 10.01 real         0.00 user         0.00 sys
 > 
 > bash$ time sleep 10
 > real	0m10.017s
 > user	0m0.003s
 > sys	0m0.011s
 > 
 > I have two 291 MHz cpus.
 > 
 > Left on its own, the system loses time dramatically (about 10 minutes on
 > the half hour).

And timing against a working clock (like your watch, or another
computer?)  Eg, how long did the sleep really take?  5 seconds?  20 seconds?

Drew

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