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Re: Qemu/nvmm - time in NetBSD guest system lags behind (with estd on host)



Hello Robert,

On 31.08.22 16:57, Robert Elz wrote:
     Date:        Wed, 31 Aug 2022 13:42:13 +0200
     From:        Matthias Petermann <mp%petermann-it.de@localhost>
     Message-ID:  <b02aec7c-021d-9316-fbb5-0236c93685f0%petermann-it.de@localhost>

   | I'm also curious about the effect on energy consumption - i.e., whether
   | it's measurable.

I'm sure its measurable, but I suspect you'd need a highly accurate
and very precise ammeter to do that.

kre


it took a while - in the meantime I could test the 1000HZ kernel on my system. Unfortunately I had an effect right at the first test, which forced me to roll back the change first. I hope I'll get around to recreating this on a less critical system early in the new week. What happened: the 1000HZ kernel could not activate the ZFS pool for some reason.

The zfs module was loaded though, I also built the kernel with exactly the same sources as the "original" one, so I assume for now that the modules are compatible.

In the meantime I was able to take the original problem under control with chrony (see post from another user), but the time jumps are enormous so I would like to try the solution with the 1000HZ kernel.

Kind regards
Matthias

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