Count FUSE reads/writes
Count FUSE reads/writes

Summary:
Display FUSE calls, reads, and writes

{F167451325}

Reviewed By: chadaustin

Differential Revision: D16214570

fbshipit-source-id: ce1b3533d7260fb304c7efdaef8567a83d3dcd4a

nodakai/watchman,nodakai/watchman,facebook/watchman,facebook/watchman,nodakai/watchman,nodakai/watchman,facebook/watchman,nodakai/watchman,facebook/watchman,nodakai/watchman,nodakai/watchman,facebook/watchman,facebook/watchman,facebook/watchman,facebook/watchman,nodakai/watchman,facebook/watchman,nodakai/watchman