diff options
author | Song Liu <songliubraving@fb.com> | 2019-03-12 08:30:44 +0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-03-19 22:52:07 +0300 |
commit | 3792cb2ff43b1b193136a03ce1336462a827d792 (patch) | |
tree | 264a653ee28353181a73b2a226b26769277445a6 /tools/perf/util/bpf-event.h | |
parent | 606f972b1361f477cbd4e6e8ac00742fde4b39db (diff) | |
download | linux-3792cb2ff43b1b193136a03ce1336462a827d792.tar.xz |
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 'tools/perf/util/bpf-event.h')
-rw-r--r-- | tools/perf/util/bpf-event.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/util/bpf-event.h b/tools/perf/util/bpf-event.h index fad932f7404f..b9ec394dc7c7 100644 --- a/tools/perf/util/bpf-event.h +++ b/tools/perf/util/bpf-event.h @@ -16,6 +16,13 @@ struct bpf_prog_info_node { struct rb_node rb_node; }; +struct btf_node { + struct rb_node rb_node; + u32 id; + u32 data_size; + char data[]; +}; + #ifdef HAVE_LIBBPF_SUPPORT int machine__process_bpf_event(struct machine *machine, union perf_event *event, struct perf_sample *sample); |