----- On May 20, 2021, at 12:51 PM, Norbert Lange nolang...@gmail.com wrote: > Am Do., 20. Mai 2021 um 18:25 Uhr schrieb Mathieu Desnoyers > <mathieu.desnoy...@efficios.com>: >> >> ----- On May 20, 2021, at 11:54 AM, Norbert Lange nolang...@gmail.com wrote: >> [...] >> >> >> What prevents you from linking against lttng-ust.so again ? >> > >> > I did not poke around enough with Lttng to be confident it wont have >> > side effects, >> > I really don't want it active in production. It doesn't seem there is >> > much public knowledge with Xenomai either. >> > lttng-ust.so will spawn threads, lttng-ust-tracepoint.so is mostly passive, >> >> There is indeed a split between instrumentation and runtime threads done >> with lttng-ust-tracepoint.so vs lttng-ust.so. >> >> I understand that this split is missing for tracelog and tracef, and >> would be a good thing to have. >> >> I would be interested to move the tracelog and tracef implementation >> from liblttng-ust.so to liblttng-ust-tracepoint.so, even this late >> in the -rc cycle, because all users of tracelog/tracef need to link >> against liblttng-ust-tracepoint.so anyway. So moving these symbols >> should not affect anyone. >> >> Can you give it a try and let me know if it works for you ? > > Will take some time, whats the timeframe you need for feedback? Here is the tentative commit: https://review.lttng.org/c/lttng-ust/+/5927 Move tracef/tracelog symbols to liblttng-ust-tracepoint.so Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
Re: [lttng-dev] [PATCH lttng-ust] Improve tracelog handling, reduce exported functions
Mathieu Desnoyers via lttng-dev Thu, 20 May 2021 10:19:03 -0700
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