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[Qemu-devel] Time measurement under QEMU
From: |
space-wizard |
Subject: |
[Qemu-devel] Time measurement under QEMU |
Date: |
Thu, 24 Nov 2005 11:31:58 +0100 (MET) |
Hello!
I need a precise time measurement under QEMU with SLES 9 (Kernel 2.6.8) as
host and guest.
I synchronize the clock via ntpdate with a ntp-time-server. Then I start
heavy load applications. When I execute ntpdate again, I get a negative
offset, sometimes a positive offset with more than 1 second. That means that
the clock runs slower (or faster) in the guest os.
How can I get a time synchronisation between Host- and Guest-OS?
I tried the following kernel options at the guest:
nosmp noapic nolapic clock=pit
But without success :-(
Thanks for your help!
Best regards,
Christoph
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