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Subject: Re: The values of gettimeofday() jumps.
From: Lee Revell <rlrevell@joe-job.com>
To: Liangchen Zheng <zlc@dream.eng.uci.edu>
Cc: linux-kernel@vger.kernel.org
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Date: Sat, 28 May 2005 21:36:32 -0400
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On Sat, 2005-05-28 at 18:37 -0700, Liangchen Zheng wrote:
> Hello,
> 	We have several SMP machines (Tyan Tiger MPX motherboard, 2
> AthlonMP 1900+ CPU, linux-2.4.21-20.EL).  When running some time
> sensitive programs, I observed that the values of gettimeofday () jumped
> sometimes on a couple of machines (other machines are fine), from
> several hundreds milliseconds to a couple of seconds. 

Are you running NTP on those machines by any chance?

Lee