#!/usr/bin/perl -w
use POSIX ":sys_wait_h";

##</code><code>##

Timeon line 	Calls 	Timein subs
67µs	        1	5.85ms
spent 5.85ms making 1 call to POSIX::import

##</code><code>##

Timeon line 	Calls 	Timein subs
178µs	         2	 23.0ms	
spent 17.9ms (935µs+16.9) within main::BEGIN@3 which was called: # once (935µs+16.9ms) by main::RUNTIME at line 3
use POSIX ":sys_wait_h";
# spent 17.9ms making 1 call to main::BEGIN@3 # spent 5.17ms making 1 call to POSIX::import