The ARM64 ftrace support was added in upstream commit 819e50e2 (arm64: Add ftrace support)
A quick cherry-pick attempt shows that this will need some backport work in arch/arm64/Kconfig file. (Not sure if there will be more commits to pull) -- 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/1820988 Title: Please enable the config for ftrace on T-ARM64 (ubuntu_ftrace_smoke_test failed) Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: Fix Released Status in linux source package in Trusty: Won't Fix Bug description: The ubuntu_ftrace_smoke_test is failing on Trusty ARM64. It looks like it will need the following configs for get it work: CONFIG_FUNCTION_TRACER=y CONFIG_FUNCTION_GRAPH_TRACER=y CONFIG_STACK_TRACER=y CONFIG_DYNAMIC_FTRACE=y ftrace is useful for debugging. We should enable it. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-167-generic 3.13.0-167.217 ProcVersionSignature: User Name 3.13.0-167.217-generic 3.13.11-ckt39 Uname: Linux 3.13.0-167-generic aarch64 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: 'aplay' ApportVersion: 2.14.1-0ubuntu3.29 Architecture: arm64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' CRDA: Error: [Errno 2] No such file or directory: 'iw' CurrentDmesg: Date: Wed Mar 20 10:14:53 2019 IwConfig: lo no wireless extensions. enp1s0 no wireless extensions. enp1s0d1 no wireless extensions. Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99 PciMultimedia: ProcFB: ProcKernelCmdLine: console=ttyS0,9600n8r ro RelatedPackageVersions: linux-restricted-modules-3.13.0-167-generic N/A linux-backports-modules-3.13.0-167-generic N/A linux-firmware 1.127.24 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1820988/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
