DTrace kernel modules missing

[Sevan / Venture37]

Hello again,
I've installed the latest -current snapshot (20150917-r287930) on my
beagle bone black and it seems that the DTrace related kernel modules
are missing? (dtraceall, dtrace, dtrace_test)
DTrace related tools are present however but currently unable to
function due to the missing kernel modules

# dtrace -l
dtrace: failed to initialize dtrace: DTrace device not available on system


Sevan / Venture37