Hi Julian Below is my test.
tacy@tacy:~$ sudo perf record --call-graph dwarf -a callchain: Unknown --call-graph option value: dwarf usage: perf record [<options>] [<command>] or: perf record [<options>] -- <command> [<options>] --call-graph <mode[,dump_size]> setup and enables call-graph (stack chain/backtrace) recording: fp tacy@tacy:~$ uname -a Linux tacy 3.13.0-27-generic #50~precise1-Ubuntu SMP Fri May 16 20:47:56 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux tacy@tacy:~$ cd - /home/tacy/linux-lts-trusty-3.13.0/tools/perf tacy@tacy:~/linux-lts-trusty-3.13.0/tools/perf$ sudo ./perf record --call-graph dwarf -a ^C[ perf record: Woken up 63 times to write data ] [ perf record: Captured and wrote 17.352 MB perf.data (~758127 samples) ] tacy@tacy:~/linux-lts-trusty-3.13.0/tools/perf$ ./perf --version perf version 3.13.11 tacy@tacy:~/linux-lts-trusty-3.13.0/tools/perf$ perf --version perf version 3.13.11 Yes, After manually compiling can support, but default perf don't support. -- 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