tree 2617ac063f586e4cf465e9a398fd6e6cf20f4801
parent fa7428408d4e0f6e7e177e24b9db501f66433b3d
author Ray Milkey <ray@onlab.us> 1404170860 -0700
committer Gerrit Code Review <gerrit2@gerrit.onos.onlab.us> 1404853270 -0700

Added a framework for metrics

Added a metrics framework based on the codahale Metrics
package.  ONOS can create a registry and maintain Metrics,
as well as dump out metrics values via a REST API.  Unit
tests are include that test the REST APIs.  Currently
supports Timers, Counters, Gauges, Meters, and Histograms.

Change-Id: I0f6ed87f889dc7037caf9aefc92e663702c6dda8