tree ac3abd504f8e7c8bfbb553a0ebe01555cffe112d
parent ee7a3ce33f7691761c16f63f227735dd1a795aa8
author sangho <sangho@onlab.us> 1428528560 -0700
committer Gerrit Code Review <gerrit@onlab.us> 1428619421 +0000

ONOS-1440: Implements port statistics feature, which polls port statistics of all devices every 10 seconds. Also, implemented a simple portstats ONOS CLI command to show the statistics.

Change-Id: I57e046ae2c2463a58b478d3a5b523422cde71ba2