Hi Alberto, Thanks for your reply.
> > > I am planning to implement throttling functionality for virtio-net > > driver using the throttling APIs that exist inside qemu. > > Hi Pradeep, > > the problem with implementing throttling for the network is that > it's useless if you use the vhost_net kernel accelerator, because it > bypasses QEMU entirely: > > https://access.redhat.com/documentation/en-US/Red_Hat_ > Enterprise_Linux/7/html/Virtualization_Tuning_and_Optimization_Guide/sect- > Virtualization_Tuning_Optimization_Guide-Networking- > Virtio_and_vhostnet.html Thanks for this very valuable information. What if someone wants to just use virtio-net without the vhost acceleration? Any idea how it will be done in this case? It still uses cgroup or some other mechanism to do throttling? > > libvirt implements this using tc: > > https://libvirt.org/formatdomain.html#elementDomain > http://luxik.cdi.cz/~devik/qos/htb/manual/userg.htm#ceiling Here it uses the cgroup inside the libvirt dirver to control the packet rate right? Thanks, Pradeep
