March 6, 20233 yr What do I need to do to fix this error? Here is some information: root@orangepi5 ~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 22.04.2 LTS Release: 22.04 Codename: jammy root@orangepi5 ~# root@orangepi5 ~# uname -a Linux orangepi5 5.10.110-rockchip-rk3588 #23.02.2 SMP Fri Feb 17 23:59:20 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux root@orangepi5 ~# root@orangepi5 ~# apt install -y bpfcc-tools libbpfcc-dev python3-bpfcc libbpfcc Reading package lists... Done Building dependency tree... Done Reading state information... Done The following additional packages will be installed: ieee-data libclang-cpp11 libllvm11 python3-netaddr Suggested packages: ipython3 python-netaddr-docs The following NEW packages will be installed: bpfcc-tools ieee-data libbpfcc libbpfcc-dev libclang-cpp11 libllvm11 python3-bpfcc python3-netaddr 0 upgraded, 8 newly installed, 0 to remove and 0 not upgraded. Need to get 30.1 MB of archives. After this operation, 136 MB of additional disk space will be used. Get:1 http://ports.ubuntu.com jammy/universe arm64 libllvm11 arm64 1:11.1.0-6 [17.2 MB] Get:2 http://ports.ubuntu.com jammy/universe arm64 libclang-cpp11 arm64 1:11.1.0-6 [9,149 kB] Get:3 http://ports.ubuntu.com jammy/universe arm64 libbpfcc arm64 0.18.0+ds-2 [599 kB] Get:4 http://ports.ubuntu.com jammy/universe arm64 python3-bpfcc all 0.18.0+ds-2 [34.6 kB] Get:5 http://ports.ubuntu.com jammy/main arm64 ieee-data all 20210605.1 [1,887 kB] Get:6 http://ports.ubuntu.com jammy/main arm64 python3-netaddr all 0.8.0-2 [309 kB] Get:7 http://ports.ubuntu.com jammy/universe arm64 bpfcc-tools all 0.18.0+ds-2 [627 kB] Get:8 http://ports.ubuntu.com jammy/universe arm64 libbpfcc-dev arm64 0.18.0+ds-2 [325 kB] Fetched 30.1 MB in 9s (3,363 kB/s) Selecting previously unselected package libllvm11:arm64. (Reading database ... 97548 files and directories currently installed.) Preparing to unpack .../0-libllvm11_1%3a11.1.0-6_arm64.deb ... Unpacking libllvm11:arm64 (1:11.1.0-6) ... Selecting previously unselected package libclang-cpp11. Preparing to unpack .../1-libclang-cpp11_1%3a11.1.0-6_arm64.deb ... Unpacking libclang-cpp11 (1:11.1.0-6) ... Selecting previously unselected package libbpfcc. Preparing to unpack .../2-libbpfcc_0.18.0+ds-2_arm64.deb ... Unpacking libbpfcc (0.18.0+ds-2) ... Selecting previously unselected package python3-bpfcc. Preparing to unpack .../3-python3-bpfcc_0.18.0+ds-2_all.deb ... Unpacking python3-bpfcc (0.18.0+ds-2) ... Selecting previously unselected package ieee-data. Preparing to unpack .../4-ieee-data_20210605.1_all.deb ... Unpacking ieee-data (20210605.1) ... Selecting previously unselected package python3-netaddr. Preparing to unpack .../5-python3-netaddr_0.8.0-2_all.deb ... Unpacking python3-netaddr (0.8.0-2) ... Selecting previously unselected package bpfcc-tools. Preparing to unpack .../6-bpfcc-tools_0.18.0+ds-2_all.deb ... Unpacking bpfcc-tools (0.18.0+ds-2) ... Selecting previously unselected package libbpfcc-dev. Preparing to unpack .../7-libbpfcc-dev_0.18.0+ds-2_arm64.deb ... Unpacking libbpfcc-dev (0.18.0+ds-2) ... Setting up libllvm11:arm64 (1:11.1.0-6) ... Setting up ieee-data (20210605.1) ... Setting up libclang-cpp11 (1:11.1.0-6) ... Setting up python3-netaddr (0.8.0-2) ... Setting up libbpfcc (0.18.0+ds-2) ... Setting up python3-bpfcc (0.18.0+ds-2) ... Setting up bpfcc-tools (0.18.0+ds-2) ... Setting up libbpfcc-dev (0.18.0+ds-2) ... Processing triggers for man-db (2.10.2-1) ... Processing triggers for libc-bin (2.35-0ubuntu3.1) ... root@orangepi5 ~# root@orangepi5 ~# execsnoop-bpfcc create_probe_event: open(/sys/kernel/debug/tracing/kprobe_events): No such file or directory Traceback (most recent call last): File "/usr/sbin/execsnoop-bpfcc", line 229, in <module> b.attach_kprobe(event=execve_fnname, fn_name="syscall__execve") File "/usr/lib/python3/dist-packages/bcc/__init__.py", line 683, in attach_kprobe raise Exception("Failed to attach BPF program %s to kprobe %s" % Exception: Failed to attach BPF program b'syscall__execve' to kprobe b'__arm64_sys_execve' root@orangepi5 ~# root@orangepi5 ~# ls /sys/kernel/debug/tracing available_events buffer_total_size_kb error_log options saved_cmdlines_size set_ftrace_filter set_graph_notrace trace_marker_raw tracing_thresh available_filter_functions current_tracer events per_cpu saved_tgids set_ftrace_notrace timestamp_mode trace_options uprobe_events available_tracers dynamic_events free_buffer printk_formats set_event set_ftrace_notrace_pid trace trace_pipe uprobe_profile buffer_percent dyn_ftrace_total_info instances README set_event_notrace_pid set_ftrace_pid trace_clock tracing_cpumask buffer_size_kb enabled_functions max_graph_depth saved_cmdlines set_event_pid set_graph_function trace_marker tracing_on root@orangepi5 ~# root@orangepi5 ~# ls /sys/kernel/debug/tracing/kprobe_events ls: cannot access '/sys/kernel/debug/tracing/kprobe_events': No such file or directory root@orangepi5 ~# Edited March 6, 20233 yr by xiaoke
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