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perf bpf: Pull in bpf_program__get_prog_info_linear()

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To prepare for impending deprecation of libbpf's bpf_program__get_prog_info_linear(),
pull in the function and associated helpers into the perf codebase and migrate
existing uses to the perf copy.

Since libbpf's deprecated definitions will still be visible to perf, it is necessary
to rename perf's definitions.

Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20211011082031.4148337-4-davemarchevsky@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Dave Marchevsky
2021-10-11 01:20:30 -07:00
committed by Arnaldo Carvalho de Melo
parent ba4026b09d
commit 6ac22d036f
11 changed files with 374 additions and 33 deletions
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2
tools/perf/Documentation/perf.data-file-format.txt
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@@ -346,7 +346,7 @@ to special needs.
HEADER_BPF_PROG_INFO = 25,
struct bpf_prog_info_linear, which contains detailed information about
struct perf_bpil, which contains detailed information about
a BPF program, including type, id, tag, jited/xlated instructions, etc.
HEADER_BPF_BTF = 26,