Display uvm_info including ps values

Your example outputs the following:

# UVM_INFO testbench.sv(10) @ 10.000ns: reporter [1] g

# UVM_INFO testbench.sv(12) @ 12.000ns: reporter [2] g

# UVM_INFO testbench.sv(14) @ 12.023ns: reporter [3] g

What about this is not what you intend?