getrusage
(PHP 4, PHP 5)
getrusage — Gets the current resource usages
说明
array getrusage
([ int $who
] )
This is an interface to getrusage(2). It gets data returned from the system call.
参数
- who
-
If who is 1, getrusage will be called with RUSAGE_CHILDREN.
返回值
Returns an associative array containing the data returned from the system call. All entries are accessible by using their documented field names.
范例
Example#1 getrusage() example
<?php
$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)
?>
注释
Note: 本函数未在 Windows 平台下实现。
参见
- Your system's man page on getrusage(2)
