On Thu, Feb 26, 2015 at 06:29:49PM +0400, Andrey Korolyov wrote: > Hello, > > I think it would be useful if libvirt will be able to prefix all > messages from emulator pipes with the date stamping, for example I am > trying to catch very rare and non-fatal race with > > virtio-serial-bus: Guest failure in adding device virtio-serial0.0 > > which is specific to the Windows guests on qemu-kvm. I have supporting > infrastructure which can tell me exact times for every action upon > this VM, but as bug is not frequent, the continuous monitoring looks > like an overkill for a desired goal - find a correlation between > emulator event and message from stderr. Patching emulator itself is > barely an option, as it is ugly, requires refresh of the running code > via loopback migration and completely non-universal, as every > hypervisor should be modified seperately. > > I`d highly appreciate positive consideration for such functionality > addition or can write a patch shortly, if needed. Thanks! Just set 'log_timestamp' in /etc/libvirt/qemu.conf and QEMU will then include a timestamp in any messages it writes to the stderr log file. Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :| _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
