1 Confirm enable/disable 2 status=0 3 status=1 4 status=0 5 Confirm sampling 6 status=2 7 status=0 8 Test starting when already started 9 status=1 10 status=1 11 Test stopping when already stopped 12 status=0 13 status=0 14 Test tracing with empty filename 15 Got expected exception 16 Test tracing with bogus (< 1024 && != 0) filesize 17 Got expected exception 18 Test sampling with bogus (<= 0) interval 19 Got expected exception 20