On Mon, Jun 12, 2017 at 08:21:07PM +0800, Sam wrote: > I'm debuging ovs-2.6.0, dpdk-2.2.0 and qemu-2.6.0. And I run such command: > > QEMU_CMD -D qemu-log.log -trace events=qemu-events ... > > I want to trace vhost-user protocol process between QEMU and ovs-dpdk. > Ovs-dpdk's log shows lots of infomations of vhost-user protocol, but QEMU's > log shows only a little. > > As in qemu-events, there is only 'vhost_user_event' event I could use. Is > there more events or some other method to debug vhost related module in > QEMU?
vhost_user_event is the only QEMU trace event that currently exists for vhost-user. Guidelines for submitting patches are here if you decide to add more: http://wiki.qemu.org/Contribute/SubmitAPatch Stefan
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