Renamed stock.list to default.list

Prepare to use a default event list.

Signed-off-by: Francis Giraldeau <francis.giraldeau@gmail.com>
Enable event subset by default

With newer kernels, too much events are enabled by default. Let's enable only
required events for the control flow view.

Signed-off-by: Francis Giraldeau <francis.giraldeau@gmail.com>