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<p class=MsoNormal>Hi All<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I want to know which of the processes in my system is taking
long to handle messages. I tried to use erlang:process_info(PID) to get the
message_queue_len. The problem is that it always returns 0.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>As an example, I built the following function to test it.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>F=fun() -> receive xx -> io:format("done~n")
end end.<o:p></o:p></p>
<p class=MsoNormal>P=spawn(F).<o:p></o:p></p>
<p class=MsoNormal>P!abc<o:p></o:p></p>
<p class=MsoNormal>erlang:process_info(P).<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>This gives me a message_queue_len of 0. Am I missing
something? Maybe message_queue_len measures something other than the number of
messages in the mailbox for a process?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Any help would be appreciated.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>-]-[<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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