Public bug reported: Hi,
I'm trying to use perf's libunwind support in 13.04 with kernel 3.11.0-12-generic on amd64. Typically you can do this by using the "-g dwarf" flag, but it appears the perf command included in linux- tools-3.11.0-12-generic was not compiled with libunwind. This may be as simple as the build machine didn't have libunwind installed. Having dwarf support in perf with default Ubuntu kernels would be very useful as it provides a way to get profiling information when -fomitframepointer is used. Relevant upstream code: https://github.com/torvalds/linux/blob/v3.11/tools/perf/Makefile#L459 https://github.com/torvalds/linux/blob/v3.11/tools/perf/builtin-record.c#L758 Let me know if I can provide any other information. ** Affects: linux (Ubuntu) Importance: Undecided Status: Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1248289 Title: Missing libunwind support in perf To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1248289/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
