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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-07-15 15:25:41 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-07-29 18:34:40 -0300 |
| commit | 941a7658e065e339ebdaf27b9a7702f9935d1d4a (patch) | |
| tree | 0f13c29b3d6864099610eef08b49855d6dd552d3 /tools/perf/include | |
| parent | Merge tag 'perf-urgent-for-mingo-5.3-20190729' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (diff) | |
| download | linux-dev-941a7658e065e339ebdaf27b9a7702f9935d1d4a.tar.xz linux-dev-941a7658e065e339ebdaf27b9a7702f9935d1d4a.zip | |
perf include bpf: Add bpf_tail_call() prototype
Will be used together with BPF_MAP_TYPE_PROG_ARRAY in
tools/perf/examples/bpf/augmented_raw_syscalls.c.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-pd1bpy8i31nta6jqwdex871g@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/include')
| -rw-r--r-- | tools/perf/include/bpf/bpf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h index 2eac6d804b2d..b422aeef5339 100644 --- a/tools/perf/include/bpf/bpf.h +++ b/tools/perf/include/bpf/bpf.h @@ -45,6 +45,8 @@ struct ____btf_map_##name __attribute__((section(".maps." #name), used)) \ static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem; static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem; +static void (*bpf_tail_call)(void *ctx, void *map, int index) = (void *)BPF_FUNC_tail_call; + #define SEC(NAME) __attribute__((section(NAME), used)) #define probe(function, vars) \ |