Hi Nehal,

> I was wondering if swap usage of Guest VM can be checked from Host machine via command line.Is it possible?

If you're using LXC, then I think it is possible to check swap usage of guest VM.

You can do it by: cat /path_to_cgroup/memory/libvirt/<lxc_domain_name>/memory.stat

For more info: https://www.kernel.org/doc/Documentation/cgroups/memory.txt

Thanks and Regards,
Saurabh Deochake.