Re: [libvirt] libvirtd cpu usage

hi daniel >>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 > >So this is saying 2 of file descriptors have hit 'end of file' condition >and for some bizarre reason libvirt is not cleaning them up. What do you >do to cause trigger the high CPU usage ? Does it occurr the moment you >start libvirtd ? Or only when you start a VM ? Or only when you shutdown >a VM ? Or something else altogether... > >The output of 'lsof -p' on the libvirtd process might be helpful. You >might also try running with --verbose and LIBVIRT_DEBUG=1 envirnoment >variable set and capturing the output hmm.. ok, i can't reproduce it anymore. :/ but i found a second libvirtd process in defunct state. maybe this was the cause for this "bizzare reason libvirt not cleaning them up". after rebooting i tested again and libvirtd was not consuming all of the cpu...