Disable tracepoint num, or all tracepoints if no argument
num is given. A disabled tracepoint will have no effect during
the next trace experiment, but it is not forgotten. You can re-enable
a disabled tracepoint using the enable tracepoint command.
enable tracepoint [num]
Enable tracepoint num, or all tracepoints. The enabled
tracepoints will become effective the next time a trace experiment is
run.