Erlang ETop输出结果格式说明

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

cpu is Runtime/Wallclock, i.e. the percentage of time where the node has been active, procs is the number of processes on the node, and runq is 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.

Time and Reds can be presented as accumulated values or as values since last update.