CA-169000: Correct host level Perf counters when there are multiple VM's
CA-169000: Correct host level Perf counters when there are multiple VM's

Signed-off-by: Kaifeng Zhu <101c366863422798b95704fa46f7b4a7170761aa@citrix.com>

koushikcgit/rrdd-plugins,johnelse/rrdd-plugins,martinjorge/rrdd-plugins,johnelse/rrdd-plugins,koushikcgit/rrdd-plugins,martinjorge/rrdd-plugins