lttngtop: new package (FIXME: patch path to modprobe (runtime dep))

LTTngTop is a top-like, ncurses-based utility to analyze trace
information.
lttv: new package

Linux Trace Toolkit Viewer is a GUI program to visualize LTTng trace
files.
lttng-modules: new package

Add linux kernel modules needed to do kernel tracing with LTTng.