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# getrusage

getrusage -- Get 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
      1
      2 $dat = getrusage();
      3 echo $dat["ru_nswap"];         # number of swaps
      4 echo $dat["ru_majflt"];        # number of page faults
      5 echo $dat["ru_utime.tv_sec"];  # user time used (seconds)
      6 echo $dat["ru_utime.tv_usec"]; # user time used (microseconds)
      7

See your system's man page for more details.

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