PHP Manual . Prev . Next . 3.0.7 - 3.0.18 only, PHP 4 >= 4.0.0) getrusage -- Gets the current resource usages . array getrusage ( [int who]) . ... Example 1. Getrusage Example . dat = getrusage(); echo $dat["ru_nswap"]; # number of swaps echo $dat["ru_majflt"]; # number of page faults echo $dat["ru_utime.tv_sec"]; # user time used (seconds) echo $dat["ru_utime.tv_usec"]; # user time used (microseconds) See your system's man page on getrusage(2) for more details. ...