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[Xen-users] Questions on Xen timer

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Questions on Xen timer
From: Jae-Wan Jang <jwjang@xxxxxxxxxxxxxxxxxx>
Date: Thu, 20 Jul 2006 11:36:24 +0900
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Hi,

I have a question measuring some network latency and bandwidth.
Since domains do not access hardware directly, Xen provides
real time, virtual time, and wall-clock time according to the Xen 1.x paper
(Xen and the art of virtualization).

Is that means that gettimeofday in a domain (either dom0 or domU) is
based on
wall-clock time provided by Xen and I can safely trust that gettimeofday
returns
reasonable value?
Further, my latency and bandwidth results using gettimeofday syscall is
trustworthy?

Thanks in advance.

-- 

Jae-Wan Jang
jwjang@xxxxxxxxxxxxxxxxxx
+82-42-869-3559
http://camars.kaist.ac.kr/~jwjang


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