tree a7d3eac10ddab017d2c9c1f868aadec0e3b63b46
parent 8d3305eb9200f7e2f2b0317b0a67babe81f989ad
author Luigi Semenzato <semenzato@google.com> 1298920663 -0800
committer Luigi Semenzato <semenzato@google.com> 1298920663 -0800

Find device-dependent disk stats file, and skip disk stats if not available.

Change-Id: I03afb85e3357dd4c2cf5effd98b194c71d77c71d

BUG=12171
TEST=unit tested

Review URL: http://codereview.chromium.org/6541007