Add command line critical path command

Signed-off-by: Francis Giraldeau <francis.giraldeau@gmail.com>
Remove graph simplification procedure

The simplification procedure assumes that the wake-up signal follows
immediately after packet reception. However, this assumption does not hold, and
an outgoing packet can be in between.

Signed-off-by: Francis Giraldeau <francis.giraldeau@gmail.com>
Merge branch 'graph' of github.com:giraldeau/org.eclipse.linuxtools into graph