Andrii Nakryiko
c5481f9a95
bpftool: Add bpf_link show and pin support ...
Add `bpftool link show` and `bpftool link pin` commands.
Example plain output for `link show` (with showing pinned paths):
[vmuser@archvm bpf]$ sudo ~/local/linux/tools/bpf/bpftool/bpftool -f link
1: tracing prog 12
prog_type tracing attach_type fentry
pinned /sys/fs/bpf/my_test_link
pinned /sys/fs/bpf/my_test_link2
2: tracing prog 13
prog_type tracing attach_type fentry
3: tracing prog 14
prog_type tracing attach_type fentry
4: tracing prog 15
prog_type tracing attach_type fentry
5: tracing prog 16
prog_type tracing attach_type fentry
6: tracing prog 17
prog_type tracing attach_type fentry
7: raw_tracepoint prog 21
tp 'sys_enter'
8: cgroup prog 25
cgroup_id 584 attach_type egress
9: cgroup prog 25
cgroup_id 599 attach_type egress
10: cgroup prog 25
cgroup_id 614 attach_type egress
11: cgroup prog 25
cgroup_id 629 attach_type egress
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20200429001614.1544-9-andriin@fb.com
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c5481f9a95