performanceEntry.flags
版本历史
| 版本 | 变更 |
|---|---|
| v16.0.0 | 运行时已弃用。当 entryType 为 'gc' 时,现在移至 detail 属性。 |
| v13.9.0, v12.17.0 | 新增于: v13.9.0, v12.17.0 |
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.
当 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