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# getrusage

(PHP 3>= 3.0.7, PHP 4 )

getrusage -- Gets the current resource usages

## Description

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 on getrusage(2) for more details.

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