On Tue, Jun 04, 2013 at 05:15:26PM +0530, Kashyap Chamarthy wrote: > Heya, > > So I usually use these two resources, when tracing/debugging: > > - > https://www.berrange.com/posts/2011/10/03/troubleshooting-libvirt-with-the-kvm-and-lxc-drivers/ > - http://libvirt.org/logging.html > > > For instance, for filters to know what QMP commands libvirt is sending to QEMU: > > I use: > - log_filters="1:qemu_monitor" > - log_outputs="1:file:/var/log/libvirt/libvirtd.log" > > > But, from > https://www.berrange.com/posts/2011/10/03/troubleshooting-libvirt-with-the-kvm-and-lxc-drivers/ > > I notice, we could also use these variations of filters QEMU/QMP filters: > > # QEMU JSON/QMP monitor commands > - log_filters="1:qemu_monitor_json" > > # QEMU text monitor commands > - log_filters="1:qemu_monitor_text" > > > Is there any place where these are comprehensively documented, has anything changed from > what's mentioned in the above blog & the logging wiki page ? > > > Furthermore, from /etc/libvirt/libvirtd.conf, I see: > =========================================== > [...] > # Logging filters: > # A filter allows to select a different logging level for a given category > # of logs > # The format for a filter is one of: > # x:name > # x:+name > # where name is a string which is matched against source file name, > # e.g., "remote", "qemu", or "util/json", the optional "+" prefix > # tells libvirt to log stack trace for each message matching name, > # and x is the minimal level where matching messages should be logged: > # 1: DEBUG > # 2: INFO > # 3: WARNING > # 4: ERROR > # > # Multiple filter can be defined in a single @filters, they just need to be > # separated by spaces. > # > # e.g. to only get warning or errors from the remote layer and only errors > # from the event layer: > #log_filters="3:remote 4:event" > [...] > =========================================== > > Is the above list of strings describe all possible "name" values for filters ? The 'name' is just a sub-string match against source file names. So to get a list of valid filter names, just list all source file names. 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 :| -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list