getrusage
array getrusage([int who]) Returns an array of resource usage.
Returns:
Associative array
Description:
This function is based on the UNIX getrusage system function. getrusage is used to get resource limits. Using the optional who parameter, the RUSAGE_CHILDREN flag will be used, which returns additional resource information. The default is RUSAGE_SELF. While a more complete description can be found in the UNIX man page for getrusage, the following table presents a summary.
| Flag | Description |
|---|---|
| ru_utime.tv_usec | User time used (microseconds) |
| ru_utime.tv_sec | User time used (seconds) |
| ru_stime.tv_usec | System time used (microseconds) |
| ru_stime.tv_sec | System time used (seconds) |
| ru_maxrss | Maximum resident shared size |
| ru_ixrss | Integral shared ... |
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