xhprof_sample_enable
(PECL xhprof >= 0.9.0)
xhprof_sample_enable — Start XHProf profiling in sampling mode
설명
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.
인수
이 함수는 인수가 없습니다.
반환값
NULL
참고
- 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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