Re: [libvirt] [PATCH 1/2] Add dtrace static probes in libvirtd

On Thu, Oct 21, 2010 at 07:19:32PM +0100, Daniel P. Berrange wrote: > Adds initial support for dtrace static probes in libvirtd > daemon, assuming use of systemtap dtrace compat shim on > Linux. The probes are inserted for network client connect, > disconnect, TLS handshake states and authentication protocol > states. > > This can be tested by running the xample program and then > attempting to connect with any libvirt client (virsh, > virt-manager, etc). > > # stap examples/systemtap/client.stp > Client fd=44 connected readonly=0 > Client fd=44 auth polkit deny pid:24997,uid:500 > Client fd=44 disconnected > Client fd=46 connected readonly=1 > Client fd=46 auth sasl allow test > Client fd=46 disconnected > > For unknown reasons, libvirtd must be restarted after > the stap script is launched, otherwise the probes are > not enabled. This bug needs to be fixed, probably in > systemtap itself, to allow probing an existing running > daemon. Wasn't that problem found ? I though so ...