tree 7d5d2f76aa809cdc2e7458ac9654921bcc0dd4b9
parent cc9049058746a250bb3a5727165e8e2d90a54de7
author Jian Li <pyguni@gmail.com> 1453741280 -0800
committer Gerrit Code Review <gerrit@onlab.us> 1454085199 +0000

Augment metrics model to monitor more # of control metrics

Existing implementation only monitors OpenFlow messages.
This commit augments the metrics model in a way to monitor more
number of control metrics including
- CPU Load, total CPU time, sys CPU time, user CPU time, etc.
- Used memory percentage, free memory percentage
- Disk read/write bytes
- Network incoming/outgoing bytes/packets

Change-Id: I9e8eee163c3033132eb202f3c75bad246c87f133