https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94928
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Myron Walker from comment #6) > I use the gcno file to build a the graph, pull counters from the gcda files > and then solve the graph for the missing counts. That's what gcov does itself. > I am merging the data from > multiple gcda sources. Multiple nodes running the same software. I would recommend writing a simple merging tool on top of the JSON files. That will save you a lot of time.