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| author | Song Liu <songliubraving@fb.com> | 2019-03-12 06:30:44 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-03-19 20:52:07 +0100 |
| commit | 3792cb2ff43b1b193136a03ce1336462a827d792 (patch) | |
| tree | 264a653ee28353181a73b2a226b26769277445a6 /tools/perf/util/env.h | |
| parent | perf bpf: Save bpf_prog_info information as headers to perf.data (diff) | |
| download | linux-3792cb2ff43b1b193136a03ce1336462a827d792.tar.xz linux-3792cb2ff43b1b193136a03ce1336462a827d792.zip | |
perf bpf: Save BTF in a rbtree in perf_env
BTF contains information necessary to annotate BPF programs. This patch
saves BTF for BPF programs loaded in the system.
Signed-off-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stanislav Fomichev <sdf@google.com>
Cc: kernel-team@fb.com
Link: http://lkml.kernel.org/r/20190312053051.2690567-9-songliubraving@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/env.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index 24b11c564ba4..4f8e2b485c01 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -75,10 +75,13 @@ struct perf_env { struct rw_semaphore lock; struct rb_root infos; u32 infos_cnt; + struct rb_root btfs; + u32 btfs_cnt; } bpf_progs; }; struct bpf_prog_info_node; +struct btf_node; extern struct perf_env perf_env; @@ -99,4 +102,6 @@ void perf_env__insert_bpf_prog_info(struct perf_env *env, struct bpf_prog_info_node *info_node); struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, __u32 prog_id); +void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node); +struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id); #endif /* __PERF_ENV_H */ |