xhprof_sample_enable

(PECL xhprof >= 0.9.0)

xhprof_sample_enable — Description

说明

void xhprof_sample_enable ( void )

Starts profiling in sample mode, which is a lighter weight version of xhprof_enable(). The sampling interval is 0.1 seconds, and samples record the full function call stack. The main use case is when lower overhead is required when doing performance monitoring and diagnostics.

Warning

本函数还未编写文档，仅有参数列表。

参数

此函数没有参数。

返回值

NULL

参见

xhprof_sample_disable() - Stops xhprof sample profiler
xhprof_enable() - Start xhprof profiler
memory_get_usage() - Returns the amount of memory allocated to PHP
getrusage() - Gets the current resource usages