gistfile1.txt

[chris@freebsd64 libusdt]$ ./test_usdt a b i i i i i i i i
enabled

unable to disable provider: failed to unload DOF: Bad address

# elsewhere:

[chris@freebsd64 ~]$ sudo dtrace -Zn 'testlibusdt*:::{ trace(arg0); trace(arg1); trace(arg2); trace(arg3); trace(arg4); trace(arg5); trace(arg6); trace(arg7); }'
dtrace: description 'testlibusdt*:::' matched 0 probes
dtrace: buffer size lowered to 1m
CPU     ID                    FUNCTION:NAME
  0  52074                              a:b                 1                2                3                4                5                4                7                8