[erlang-questions] 回复: How to investigate a CPU Load problem ?

饕餮 <>
Wed Mar 5 10:04:53 CET 2014


hmm, we use "top" in linux....
It's that trustable?
And etop show that not a process has take a lot of reds (etop_txt is top 3).....


------------------ 原始邮件 ------------------
发件人: "Philip Clarke";<>;
发送时间: 2014年3月5日(星期三) 凌晨1:33
收件人: "饕餮"<>; 
抄送: "erlang-questions"<>; 
主题: Re: [erlang-questions] How to investigate a CPU Load problem ?



Hi,

I wonder how you measured CPU load ?
 

If your processes have short message queues, then that is good news at least.  I would suggest looking at your etop output to see where most reductions are spent.
 Then if that does not help, fprof will get you very detailed information.


 Good luck
Philip



On Tue, Mar 4, 2014 at 1:51 PM, 饕餮 <> wrote:
 Our Project just get in some trouble....
The CPU Load seems too high (10 for 8 core CPU).
we use etop and find out that no any process has more than 1 message.
 Now I don't know how to investigate next.
Could some one give me some advice?

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