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I used your suggested command and can now see the > Flame Chart (Incubator). However, I only see symbol addresses, not the > actual symbolic names. > > I compile with: > > -O3 -pg -finstrument-functions > > Do I need any other compiler/linker options to resolve the symbol names? Yes. Resolving addresses to symbol names requires to know the base addresses where the executable mappings are loaded. See: man 7 babeltrace2-filter.lttng-utils.debug-info for a detailed explanation about what needs to be enabled. Thanks, Mathieu > > Best regards > David -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com