摘自官方文档:http://www.erlang.org/documentation/doc-5.2/lib/observer-0.9/doc/html/etop_ug.html
The header includes some system information:
-
Load
-
cpuisRuntime/Wallclock, i.e. the percentage of time where the node has been active,procsis the number of processes on the node, andrunqis the number of processes that are ready to run.
Memory
- This is the memory allocated by the node in kilo bytes.
For each process the following information is presented:
-
Time
- This is the runtime for the process, i.e. the actual time the process has been scheduled in. Reds
- This is the number of reductions that has been executed on the process Memory
-
This is the size of the process in
bytes, obtained by a call to
process_info(Pid,memory).
MsgQ
- This is the length of the message queue for the process.
![]() | TimeandRedscan be presented as accumulated values or as values since last update. |
本文档摘自官方指南,详细介绍了 Erlang 的 etop 工具如何显示节点负载、CPU 使用率、进程数量及就绪队列长度等系统信息。此外还涵盖了每个进程的时间使用情况、已执行的约减次数、内存大小和消息队列长度等关键指标。

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