Pagecache.py fixes and updates.

- Handle old version of stat that will append 'd' to inode
  number.
- Added a '-f' option to parse and dump from trace files
- Fixed issue where we didn't show files that we only
  removed pages from (and never added).

Change-Id: Ie8d48c01b3b6c288081178e7973aad22887795e0
1 file changed