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| author |   Leon Hwang <hffilwlqm@gmail.com> | 2023-08-01 22:26:20 +0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2023-08-02 14:21:12 -0700 |
| commit | bf4ea1d0b2cb2251f9e5619c81daa98591087c33 (patch) | |
| tree | f23d51c0091df06cb2cf045bcb1f099ea9d4c225 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | selftests/bpf: fix static assert compilation issue for test_cls_*.c (diff) | |
| download | wireguard-linux-bf4ea1d0b2cb2251f9e5619c81daa98591087c33.tar.xz wireguard-linux-bf4ea1d0b2cb2251f9e5619c81daa98591087c33.zip | |
bpf, xdp: Add tracepoint to xdp attaching failure
When error happens in dev_xdp_attach(), it should have a way to tell
users the error message like the netlink approach.
To avoid breaking uapi, adding a tracepoint in bpf_xdp_link_attach() is
an appropriate way to notify users the error message.
Hence, bpf libraries are able to retrieve the error message by this
tracepoint, and then report the error message to users.
Signed-off-by: Leon Hwang <hffilwlqm@gmail.com>
Link: https://lore.kernel.org/r/20230801142621.7925-2-hffilwlqm@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions