xhprof_sample_enable
(PECL xhprof >= 0.9.0)
xhprof_sample_enable — Start XHProf profiling in sampling mode
Description
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.
Parameters
This function has no parameters.
Return Values
null
See Also
- 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
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