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Alexander Chemeris alexander.chemeris at gmail.comHi Harald, On Tue, Jan 29, 2013 at 2:22 PM, Harald Welte <laforge at gnumonks.org> wrote: > one of the problems when debugging PCU issues is: How to take proper > logs on-site where a problem shows up and give them back to the > developer(s) for analysis. If you capture the PCU stdout or configure > file-based logging, you will have a hard time corellating that with PCAP > traces taken on the RLC/MAC side and/or on the Gb side. > > Therefore I propose a new idea here and would like to get your review: > > What about implementing a "GSMTAP" log target for libosmocore? This way > we could encapsulate the log messages into a special GSMTAP message, > which would be sent synchronously in the GSMTAP stream together with > RLC/MAC messages on the lower end. Yes, debugging PCU is PITA and we've been discussing logging improvements with Ivan for some time already. From our discussions it seems that the biggest issue is to correlate log messages with the actual user and/or session. How do you want to solve this issue with the GSMTAP? PS In general, the proposal to use GSMTAP is ... interesting. :) -- Regards, Alexander Chemeris. CEO, Fairwaves LLC / ООО УмРадио http://fairwaves.ru