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xen-devel
RE: [Xen-devel] about hot plug issue
>Or we could work out how we are chewing up dom0 for 10s per created
domain.
>Is the total time to create 12 domains less if you create them one
after
>another (serially) rather than issuing the xm requests all at the same
time?
>I wonder if creating many domains in parallel is thrashing domain 0
somehow.
We have tried to start 14 domains in serial, and the total time is 2
minutes
21 seconds, and if staring in parallel, the total time is 1 minutes 51
second,
counting from "xm create" to message "Started domain domain_name)
Hope this info is useful to you. :-)
>
>>>> At the same time, we found when main_loop_wait is increased to
>>>> 100 ms, windows guest's keyboard and mouse response is
>>>> significantly slower.
>>>
>>> Perhaps we need a single polling daemon that can demux kb/mouse
events
>> to
>>> all qemu instances in a way that can be select()ed on. That would
avoid
>>> unscalable polling overheads.
>> Good solution. Could you make a patch for this? :-)
>
>I need to discuss with other Cambridge folks. Moving to qemu stub
domain and
>split driver for kb/mouse input will solve this issue anyway in the
longer
>term.
>
> -- Keir
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