In the case of the heartbeat event type, it can represent the time since the trigger start event if it's the first heartbeat for the current GC cycle.

对于 heartbeat事件类型，它用来表示从trigger start 事件起所经过的时间（如果它是当前GC 循环的第一次心跳）。

youdao

In the case of the heartbeat event type, it can represent the time since the trigger start event if it's the first heartbeat for the current GC cycle.

对于 heartbeat事件类型，它用来表示从trigger start 事件起所经过的时间（如果它是当前GC 循环的第一次心跳）。

youdao