It seems that in 2017 there was some kind of issue in Debian that prevented one from installing both 32-bit and 64-bit support libraries at the same time but it's no longer the cause for this problem: https://www.jwhitham.org/2017/10/perf.html
-- 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/2091577 Title: perf report doesn't support 32-bit unwind Status in linux package in Ubuntu: New Bug description: I have recorded system activity with sudo perf record -a --call-graph=dwarf -e sched:sched_process_exec -e cycles -o perf.steam-validating.data but when I try to load it with sudo perf report --hierarchy -i perf.steam-validating.data I get error message unwind: target platform=x86 is not supported even though I have both 32-bit and 64-bit unwind support installed as far as I know: $ aptitude search "~i libunwind" i A android-libunwind - libunwind for Android i A libunwind-dev - library to determine the call-chain of a program i libunwind-dev:i386 - library to determine the call-chain of a program i A libunwind8 - library to determine the call-chain of a program i A libunwind8:i386 - library to determine the call-chain of a program $ uname -a Linux desktop 6.8.0-49-lowlatency #49.1~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Sun Nov 10 10:51:35 UTC x86_64 x86_64 x86_64 GNU/Linux The `perf report` should support both 32-bit and 64-bit binaries. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-tools-common 5.15.0-126.136 ProcVersionSignature: Ubuntu 6.8.0-49.49.1~22.04.1-lowlatency 6.8.12 Uname: Linux 6.8.0-49-lowlatency x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu82.6 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: XFCE Date: Wed Dec 11 20:18:55 2024 EcryptfsInUse: Yes InstallationDate: Installed on 2019-01-05 (2167 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) MachineType: Micro-Star International Co., Ltd. MS-7E06 PackageArchitecture: all ProcFB: 0 nvidia-drmdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-49-lowlatency root=UUID=dbd2442e-cbca-4518-8487-bd50d0fcd094 ro quiet swapaccount=1 delayacct msr.allow_writes=on modprobe.blacklist=nouveau nouveau.modeset=0 nvidia-drm.modeset=1 nvidia-drm.fbdev=1 nvidia.NVreg_PreserveVideoMemoryAllocations=1 RelatedPackageVersions: linux-restricted-modules-6.8.0-49-lowlatency N/A linux-backports-modules-6.8.0-49-lowlatency N/A linux-firmware 20220329.git681281e4-0ubuntu3.36 SourcePackage: linux UpgradeStatus: Upgraded to jammy on 2023-08-11 (488 days ago) dmi.bios.date: 08/15/2024 dmi.bios.release: 5.27 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: 1.D1 dmi.board.asset.tag: Default string dmi.board.name: PRO Z790-P WIFI DDR4 (MS-7E06) dmi.board.vendor: Micro-Star International Co., Ltd. dmi.board.version: 1.0 dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Micro-Star International Co., Ltd. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvr1.D1:bd08/15/2024:br5.27:svnMicro-StarInternationalCo.,Ltd.:pnMS-7E06:pvr1.0:rvnMicro-StarInternationalCo.,Ltd.:rnPROZ790-PWIFIDDR4(MS-7E06):rvr1.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr1.0:skuDefaultstring: dmi.product.family: Default string dmi.product.name: MS-7E06 dmi.product.sku: Default string dmi.product.version: 1.0 dmi.sys.vendor: Micro-Star International Co., Ltd. modified.conffile..etc.init.d.apport: [modified] mtime.conffile..etc.init.d.apport: 2022-05-19T12:50:20.029158 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2091577/+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