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| author |   Qiang Wang <wangqiang.wq.frank@bytedance.com> | 2021-12-27 21:07:13 +0800 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2022-01-05 15:38:21 -0800 |
| commit | 51a33c60f1c22c0d2dafad774315ba1537765442 (patch) | |
| tree | e0db3dd9af7a9781ada553e46fc718f8c2b6f9e4 /tools/lib/bpf/libbpf.h | |
| parent | libbpf: Use probe_name for legacy kprobe (diff) | |
| download | linux-dev-51a33c60f1c22c0d2dafad774315ba1537765442.tar.xz linux-dev-51a33c60f1c22c0d2dafad774315ba1537765442.zip | |
libbpf: Support repeated legacy kprobes on same function
If repeated legacy kprobes on same function in one process,
libbpf will register using the same probe name and got -EBUSY
error. So append index to the probe name format to fix this
problem.
Co-developed-by: Chengming Zhou <zhouchengming@bytedance.com>
Signed-off-by: Qiang Wang <wangqiang.wq.frank@bytedance.com>
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211227130713.66933-2-wangqiang.wq.frank@bytedance.com
Diffstat (limited to 'tools/lib/bpf/libbpf.h')
0 files changed, 0 insertions, 0 deletions