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【openEuler-22.03-LTS】perf probe解析debug内核显示buildid错误
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#I4UZA3
Bug
buaixuebi
Opened this issue
2022-02-23 17:38
版本: 22.03 Linux openEuler 5.10.0-54.0.0.27.oe1.aarch64 #1 SMP Wed Feb 16 11:24:29 UTC 2022 aarch64 aarch64 aarch64 GNU/Linux [root@openEuler testEL_perf_probe_debug_vmlinuz]# cat /etc/openEuler-latest openeulerversion=openEuler-22.03-LTS compiletime=2022-02-17-07-16-10 gccversion=10.3.1-20210914.5.oe1 kernelversion=5.10.0-54.0.0.27.oe1 openjdkversion=1.8.0.312.b07-11.oe1 问题表现: [root@openEuler testEL_perf_probe_debug_vmlinuz]# perf probe -k /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux -a schedule -v Use vmlinux: /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux Failed to open cache(-1): /root/.debug/[kernel.kallsyms]/f14035916ad280f0d0e4e5ae2844882532cff02e/probes Cache open error: -1 symsrc__init: build id mismatch for /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux. Could not open debuginfo. Try to use symbols. symsrc__init: build id mismatch for /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux. /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux with build id f14035916ad280f0d0e4e5ae2844882532cff02e not found, continuing without symbols Failed to find symbol schedule in kernel Error: Failed to add events. Reason: No such file or directory (Code: -2) [root@openEuler testEL_perf_probe_debug_vmlinuz]# 辅助信息: [root@openEuler testEL_perf_probe_debug_vmlinuz]# yum install kernel-debugsource kernel-debuginfo -y Last metadata expiration check: 2:28:25 ago on Wed 23 Feb 2022 03:06:04 PM CST. Package kernel-debugsource-5.10.0-54.0.0.27.oe1.aarch64 is already installed. Package kernel-debuginfo-5.10.0-54.0.0.27.oe1.aarch64 is already installed. Dependencies resolved. Nothing to do. Complete! [root@openEuler testEL_perf_probe_debug_vmlinuz]# yum install -y perf Last metadata expiration check: 2:28:37 ago on Wed 23 Feb 2022 03:06:04 PM CST. Package perf-5.10.0-54.0.0.27.oe1.aarch64 is already installed. Dependencies resolved. Nothing to do. Complete! [root@openEuler testEL_perf_probe_debug_vmlinuz]# [root@openEuler testEL_perf_probe_debug_vmlinuz]# file /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux: ELF 64-bit LSB pie executable, ARM aarch64, version 1 (SYSV), statically linked, BuildID[sha1]=dde26505ad92924f9964d072ee810c66d917d173, with debug_info, not stripped [root@openEuler testEL_perf_probe_debug_vmlinuz]# hexdump /sys/kernel/notes 0000000 0004 0000 0014 0000 0003 0000 4e47 0055 0000010 40f1 9135 d26a f080 e4d0 aee5 4428 2588 0000020 cf32 2ef0 0006 0000 0001 0000 0100 0000 0000030 694c 756e 0078 0000 0000 0000 000003c [root@openEuler testEL_perf_probe_debug_vmlinuz]# 历史: 类似问题曾出现在openEuler历史版本,当时修改kernel.spec后问题得以解决。请确认。
版本: 22.03 Linux openEuler 5.10.0-54.0.0.27.oe1.aarch64 #1 SMP Wed Feb 16 11:24:29 UTC 2022 aarch64 aarch64 aarch64 GNU/Linux [root@openEuler testEL_perf_probe_debug_vmlinuz]# cat /etc/openEuler-latest openeulerversion=openEuler-22.03-LTS compiletime=2022-02-17-07-16-10 gccversion=10.3.1-20210914.5.oe1 kernelversion=5.10.0-54.0.0.27.oe1 openjdkversion=1.8.0.312.b07-11.oe1 问题表现: [root@openEuler testEL_perf_probe_debug_vmlinuz]# perf probe -k /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux -a schedule -v Use vmlinux: /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux Failed to open cache(-1): /root/.debug/[kernel.kallsyms]/f14035916ad280f0d0e4e5ae2844882532cff02e/probes Cache open error: -1 symsrc__init: build id mismatch for /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux. Could not open debuginfo. Try to use symbols. symsrc__init: build id mismatch for /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux. /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux with build id f14035916ad280f0d0e4e5ae2844882532cff02e not found, continuing without symbols Failed to find symbol schedule in kernel Error: Failed to add events. Reason: No such file or directory (Code: -2) [root@openEuler testEL_perf_probe_debug_vmlinuz]# 辅助信息: [root@openEuler testEL_perf_probe_debug_vmlinuz]# yum install kernel-debugsource kernel-debuginfo -y Last metadata expiration check: 2:28:25 ago on Wed 23 Feb 2022 03:06:04 PM CST. Package kernel-debugsource-5.10.0-54.0.0.27.oe1.aarch64 is already installed. Package kernel-debuginfo-5.10.0-54.0.0.27.oe1.aarch64 is already installed. Dependencies resolved. Nothing to do. Complete! [root@openEuler testEL_perf_probe_debug_vmlinuz]# yum install -y perf Last metadata expiration check: 2:28:37 ago on Wed 23 Feb 2022 03:06:04 PM CST. Package perf-5.10.0-54.0.0.27.oe1.aarch64 is already installed. Dependencies resolved. Nothing to do. Complete! [root@openEuler testEL_perf_probe_debug_vmlinuz]# [root@openEuler testEL_perf_probe_debug_vmlinuz]# file /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux /usr/lib/debug/lib/modules/5.10.0-54.0.0.27.oe1.aarch64/vmlinux: ELF 64-bit LSB pie executable, ARM aarch64, version 1 (SYSV), statically linked, BuildID[sha1]=dde26505ad92924f9964d072ee810c66d917d173, with debug_info, not stripped [root@openEuler testEL_perf_probe_debug_vmlinuz]# hexdump /sys/kernel/notes 0000000 0004 0000 0014 0000 0003 0000 4e47 0055 0000010 40f1 9135 d26a f080 e4d0 aee5 4428 2588 0000020 cf32 2ef0 0006 0000 0001 0000 0100 0000 0000030 694c 756e 0078 0000 0000 0000 000003c [root@openEuler testEL_perf_probe_debug_vmlinuz]# 历史: 类似问题曾出现在openEuler历史版本,当时修改kernel.spec后问题得以解决。请确认。
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