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libbpf: Expose libbpf ring_buffer epoll_fd

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This provides a convenient perf ringbuf -> libbpf ringbuf migration
path for users of external polling systems. It is analogous to
perf_buffer__epoll_fd.

Signed-off-by: Brendan Jackman <jackmanb@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20201214113812.305274-1-jackmanb@google.com
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Brendan Jackman
2020-12-14 11:38:12 +00:00
committed by Andrii Nakryiko
parent ebcae62e7e
commit 30e2c16571
3 changed files with 8 additions and 0 deletions
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src/libbpf.map
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@@ -346,6 +346,7 @@ LIBBPF_0.3.0 {
btf__parse_split;
btf__new_empty_split;
btf__new_split;
ring_buffer__epoll_fd;
xsk_setup_xdp_prog;
xsk_socket__update_xskmap;
} LIBBPF_0.2.0;