Ok, the cpu stays at 0% when it hangs, there is only one 100% cpu peak
which happens when the vm starts ( I think this is quite normal).
However I run following command, and I stop it right when it hangs:
anakin trace2 # virsh start vm-jack; pid=`virsh qemu-monitor-command
vm-jack --hmp info cpus | grep '\*' | awk '{print $5}' | cut -d\=
-f2`; trace-cmd record -P $pid -p function
if anyone is interested it produces a 1.6 GB file (the compressed
version can be found here: http://papan.sk/share/trace2.dat.tar.gz
(150 MB))
Tomas
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