diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2026-06-06 14:39:43 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-06-07 10:03:02 -0700 |
| commit | 630e85a9f0056a7534601ed1ec2532d6ac85b7d7 (patch) | |
| tree | 75d3e530785fb452cf9eadfbe64138878b462b5b /tools/lib | |
| parent | fe9c8cb2b52b455149d363bbca0fc3648ba0cea6 (diff) | |
| download | linux-next-630e85a9f0056a7534601ed1ec2532d6ac85b7d7.tar.gz linux-next-630e85a9f0056a7534601ed1ec2532d6ac85b7d7.zip | |
libbpf: Add bpf_link_create support for tracing_multi link
Adding bpf_link_create support for tracing_multi link with
new tracing_multi record in struct bpf_link_create_opts.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20260606123955.345967-19-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 9 | ||||
| -rw-r--r-- | tools/lib/bpf/bpf.h | 5 |
2 files changed, 14 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index bc513aa8f404..f37e3416f61a 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -845,6 +845,15 @@ int bpf_link_create(int prog_fd, int target_fd, if (!OPTS_ZEROED(opts, uprobe_multi)) return libbpf_err(-EINVAL); break; + case BPF_TRACE_FENTRY_MULTI: + case BPF_TRACE_FEXIT_MULTI: + case BPF_TRACE_FSESSION_MULTI: + attr.link_create.tracing_multi.ids = ptr_to_u64(OPTS_GET(opts, tracing_multi.ids, 0)); + attr.link_create.tracing_multi.cookies = ptr_to_u64(OPTS_GET(opts, tracing_multi.cookies, 0)); + attr.link_create.tracing_multi.cnt = OPTS_GET(opts, tracing_multi.cnt, 0); + if (!OPTS_ZEROED(opts, tracing_multi)) + return libbpf_err(-EINVAL); + break; case BPF_TRACE_RAW_TP: case BPF_TRACE_FENTRY: case BPF_TRACE_FEXIT: diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 2312900a3263..012354131cf6 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -469,6 +469,11 @@ struct bpf_link_create_opts { __u32 relative_id; __u64 expected_revision; } cgroup; + struct { + const __u32 *ids; + const __u64 *cookies; + __u32 cnt; + } tracing_multi; }; size_t :0; }; |