[libvirt] libvirtd cpu usage

Thomas Mueller thans4u at yahoo.com
Thu May 15 09:47:44 UTC 2008


hi there

i'm playing on debian lenny with kvm-66/libvirt-0.4.2 .

if i run top, i see libvirtd is top cpu consumer. if i connect with 
strace to libvirtd, i see a thousand times this message:

poll([{fd=3, events=POLLIN}, {fd=6, events=POLLIN|POLLERR|POLLHUP}, 
{fd=7, events=POLLIN|POLLERR|POLLHUP}, {fd=8, events=POLLIN}, {fd=13, 
events=POLLIN|POLLERR|POLLHUP, revents=POLLHUP}, {fd=15, 
events=POLLIN|POLLERR|POLLHUP, revents=POLLHUP}, {fd=17, 
events=POLLIN|POLLERR|POLLHUP}, {fd=19, events=POLLIN|POLLERR|POLLHUP}], 
8, -1) = 2

if i stop libvirtd and start the guest myself on cli, the guest is much 
faster.

- Thomas




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