The actual userspace tracing library that must be linked to the
instrumented programs.
-- ust
+- ustctl
A program to control the tracing of userspace applications. It can list
markers, start the tracing, stop the tracing, enable/disable markers, etc.
- libmallocwrap
An example library that can be LD_PRELOAD'ed to instrument calls to malloc()
in any program without need to recompile it.
+
+- libinterfork
+ A library that is LD_PRELOAD'ed, and that hijacks calls to several system
+ calls in order to trace across these calls.