performanceEntry.flags


此属性是 Node.js 的扩展。它在 Web 浏览器中不可用。

¥This property is an extension by Node.js. It is not available in Web browsers.

performanceEntry.entryType 等于 'gc' 时,则 performance.flags 属性包含有关垃圾收集操作的附加信息。该值可能是以下之一:

¥When performanceEntry.entryType is equal to 'gc', the performance.flags property contains additional information about garbage collection operation. The value may be one of:

  • perf_hooks.constants.NODE_PERFORMANCE_GC_FLAGS_NO

  • perf_hooks.constants.NODE_PERFORMANCE_GC_FLAGS_CONSTRUCT_RETAINED

  • perf_hooks.constants.NODE_PERFORMANCE_GC_FLAGS_FORCED

  • perf_hooks.constants.NODE_PERFORMANCE_GC_FLAGS_SYNCHRONOUS_PHANTOM_PROCESSING

  • perf_hooks.constants.NODE_PERFORMANCE_GC_FLAGS_ALL_AVAILABLE_GARBAGE

  • perf_hooks.constants.NODE_PERFORMANCE_GC_FLAGS_ALL_EXTERNAL_MEMORY

  • perf_hooks.constants.NODE_PERFORMANCE_GC_FLAGS_SCHEDULE_IDLE