Changes suggested by Taylor Hutt

Can not yet fully resolve the problem of kernel dependencies. I have
sent an email to Steven Rostedt to get clarification on the volatility
of ftrace.

Fixed a regression for cleaning up when finished.

BUG=14974
TEST=ran ktop on cr48

Change-Id: Ib0f534df9a4000c756eef4a4a2ed9802a7cdc03b
Reviewed-on: http://gerrit.chromium.org/gerrit/769
Reviewed-by: Taylor Hutt <thutt@chromium.org>
Tested-by: Paul Taysom <taysom@google.com>
3 files changed