[erlang-questions] seq_trace with bigint labels

[Kenneth Lundin]

I will take it up to discussion within the OTP team and come back with an
answer as soon as possible.
The idea with the small_int solution is that we wanted an immediate data
here to avoid dynamic memory allocation. But I think it would be possible
to allow a bigger
value which still is of fixed size (big int is dynamic).

I think it would be very good if seqtrace could support use cases like this.

/Kenneth, Erlang/OTP team at Ericsson

On Tue, Jan 23, 2018 at 6:12 PM, Tristan Sloughter <t@REDACTED> wrote:

> > Ideally we'd have a solution where the individual applications would not
> > have to be modified/recompiled but the whole node could be configured to
> > send trace data out to a trace collector.
>
> Mostly. You'd still need to include the app that is capable of receiving
> the seq_trace messages and formatting spans to be reported from them, but
> you'd be able to trace any message path without code modifications.
>
> But yea, I don't know either if it is as simple as letting it use bigints,
> or what the consequences of doing so would be.
>
> Hopefully someone on the OTP team sees this and can answer :)
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