performanceEntry.flags

版本历史
版本变更
v16.0.0

Runtime deprecated. Now moved to the detail property when entryType is 'gc'.

v13.9.0, v12.17.0

新增于: v13.9.0, v12.17.0

此属性是 Node.js 的扩展。在 Web 浏览器中不可用。

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

当 performanceEntry.entryType 等于 'gc' 时，performance.flags 属性包含有关垃圾回收操作的附加信息。其值可能为以下之一：

【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