tree 84e2b76f5e2b5a996c45c9c7f4dc68149597e031
parent f53d0b2d1e29c0843e49f9dae955920d5c15ca6e
author Jian Li <pyguni@gmail.com> 1454545278 -0800
committer Gerrit Code Review <gerrit@onlab.us> 1455672244 +0000

Refactor SystemInfo, and store SystemInfo into singleton instance

- Implement Bill Pugh singleton for ControlMetricsFactory and
  SystemInfo class

Change-Id: Ia97538d9f1be9ea900b0e87371bf50877eaf6483