getrusage -- Get the current resource usages.


array getrusage(int [who]);

This is an interface to getrusage(2). It returns an associative array containing the data returned from the system call. If who is 1, getrusage will be called with RUSAGE_CHILDREN. All entries are accessible by using their documented field names.

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 for more details.