[erlang-questions] etop flooded with "Erlang top got garbage" messages

Siri Hansen <>
Thu Mar 14 16:09:27 CET 2013


Just realized that I forgot to copy the list when I sent this yesterday -
sorry!
/siri

2013/3/13 Siri Hansen <>

>
>
> 2013/3/13 Anton Lebedevich <>
>
>> On 03/13/2013 06:32 AM, Mike Cugini wrote:
>> > Hey all,
>> >
>> > I was recently put on an erlang project, and I've been trying to get
>> > etop working to help profile some issues our app has been having (mostly
>> > interested in Message Queue sizes).
>> >
>> > Etop is started with this command:
>> >
>> > erl -name etop@<ip> -hidden -s etop -s erlang halt \
>> >                -output text -sort reductions -lines 50 \
>> >                -node <node_name> -setcookie <cookie>
>> >
>> > Whenever I start etop, I see a flood of "Erlang top got garbage"
>> messages:
>>
>>
>> -tracing off flag might help etop. Another possible source of that
>> garbage is mnesia.
>>
>> Regards,
>> Anton Lebedevich.
>> _______________________________________________
>> erlang-questions mailing list
>> 
>> http://erlang.org/mailman/listinfo/erlang-questions
>>
>
> Yes, "-tracing off" will get rid of the flooding. (It will of course also
> turn off measurement of runtime per process.) I had a look at the code, and
> I am afraid that this is actually a shortcoming in etop as it seems etop
> assumes that only one process is running (scheduled in) at a time. We'll
> have to look into this!
>
> I don't think mnesia has anything to do with the garbage messages.
>
> Regards
> /siri
>
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