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arm 架构 bpftrace 跟踪内核filp_close 函数显示未知错误
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#I6JP1M
Bug
linford-wu
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Opened this issue
2023-03-04 17:28
arm 虚机环境 openEuler 版本： openeulerversion=openEuler-22.03-LTS-SP1 compiletime=2022-12-27-22-19-04 gccversion=10.3.1-20 kernelversion=5.10.0-136.12.0.86.oe2203sp1 openjdkversion=1.8.0.352.b08-3.oe2203sp1 内核版本：5.10.0-136.12.0.86.oe2203sp1.aarch64 bpftrace版本：bpftrace-0.14.1-4.oe2203sp1.aarch64 通过 bpftrace -l |grep filp_close命令查询有kfunc:filp_close 的跟踪点 操作步骤：执行下面命令。命令内容：跟踪kfunc:filp_close 函数打印ok `bpftrace -e 'kfunc:filp_close { printf("OK\n"); exit();}'` 串口显示如下： Attaching 1 probe... bpf_attach_raw_tracepoint (kfunc): Unknown error 524 ERROR: Error attaching probe: kfunc:filp_close
arm 虚机环境 openEuler 版本： openeulerversion=openEuler-22.03-LTS-SP1 compiletime=2022-12-27-22-19-04 gccversion=10.3.1-20 kernelversion=5.10.0-136.12.0.86.oe2203sp1 openjdkversion=1.8.0.352.b08-3.oe2203sp1 内核版本：5.10.0-136.12.0.86.oe2203sp1.aarch64 bpftrace版本：bpftrace-0.14.1-4.oe2203sp1.aarch64 通过 bpftrace -l |grep filp_close命令查询有kfunc:filp_close 的跟踪点 操作步骤：执行下面命令。命令内容：跟踪kfunc:filp_close 函数打印ok `bpftrace -e 'kfunc:filp_close { printf("OK\n"); exit();}'` 串口显示如下： Attaching 1 probe... bpf_attach_raw_tracepoint (kfunc): Unknown error 524 ERROR: Error attaching probe: kfunc:filp_close
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