Note that `perf` can crash when demangling. The (trivial) patch shown below fixes the issue for me: http://lkml.iu.edu/hypermail/linux/kernel/1810.2/02663.html
Related libbfd issue for incorrect demangling: https://sourceware.org/bugzilla/show_bug.cgi?id=23715 ** Bug watch added: Sourceware.org Bugzilla #23715 https://sourceware.org/bugzilla/show_bug.cgi?id=23715 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1396654 Title: C++ demangling support missing from perf Status in linux package in Ubuntu: Triaged Status in linux-hwe package in Ubuntu: Confirmed Status in linux source package in Xenial: Incomplete Status in linux-hwe source package in Xenial: Confirmed Status in linux source package in Yakkety: Won't Fix Status in linux source package in Zesty: Fix Released Status in linux source package in Bionic: Confirmed Status in linux-hwe source package in Bionic: Confirmed Status in linux source package in Cosmic: Confirmed Status in linux-hwe source package in Cosmic: Confirmed Status in linux source package in Disco: Triaged Status in linux-hwe source package in Disco: Confirmed Bug description: Hi, It appears that C++ demangling support is missing from linux-tools-3.16.0-24, on Utopic on arm64. Could the following please be added to the build dependencies for that package: libiberty-dev binutils-dev Installing the above and rebuilding the package fixed the problem for me. Cheers, -- Steve --- AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.7-0ubuntu8 Architecture: arm64 ArecordDevices: Error: [Errno 2] No such file or directory CRDA: Error: [Errno 2] No such file or directory CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied DistroRelease: Ubuntu 14.10 IwConfig: Error: [Errno 2] No such file or directory Lspci: Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99 Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: console=ttyS0,115200n8 ro ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4 RfKill: Error: [Errno 2] No such file or directory Tags: utopic utopic Uname: Linux 3.16.0-24-generic aarch64 UnreportableReason: The report belongs to a package that is not installed. UpgradeStatus: Upgraded to utopic on 2014-11-17 (9 days ago) UserGroups: sudo WifiSyslog: _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1396654/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
