Verify the DTrace Installation

Check that DTrace installed to the correct location and verify the DTrace version.

Run ls -lah /usr/sbin/dtrace to verify that the DTrace utility is present:

ls -lah /usr/sbin/dtrace

Run the dtrace -V command to display the version number.

dtrace -V
DTrace 2.0.0 [Pre-Release with limited functionality]
dtrace: Oracle D 2.0