diff options
| author | Alexei Starovoitov <ast@kernel.org> | 2022-01-31 14:05:22 -0800 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2022-02-01 23:56:18 +0100 |
| commit | 42d1d53fedc9980e8fed98a5a03762cba7d2e9f6 (patch) | |
| tree | a1cf1ae164fa3fcea54009b3edce03c0d08b9e01 /tools/bpf | |
| parent | 533de4aea6a91eb670ff8ff2b082bb34f2c5d6ab (diff) | |
libbpf: Add support for bpf iter in light skeleton.
bpf iterator programs should use bpf_link_create to attach instead of
bpf_raw_tracepoint_open like other tracing programs.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20220131220528.98088-2-alexei.starovoitov@gmail.com
Diffstat (limited to 'tools/bpf')
| -rw-r--r-- | tools/bpf/bpftool/gen.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c index 8f78c27d41f0..8eacfc79ec43 100644 --- a/tools/bpf/bpftool/gen.c +++ b/tools/bpf/bpftool/gen.c @@ -384,7 +384,10 @@ static void codegen_attach_detach(struct bpf_object *obj, const char *obj_name) printf("\tint fd = bpf_raw_tracepoint_open(\"%s\", prog_fd);\n", tp_name); break; case BPF_PROG_TYPE_TRACING: - printf("\tint fd = bpf_raw_tracepoint_open(NULL, prog_fd);\n"); + if (bpf_program__expected_attach_type(prog) == BPF_TRACE_ITER) + printf("\tint fd = bpf_link_create(prog_fd, 0, BPF_TRACE_ITER, NULL);\n"); + else + printf("\tint fd = bpf_raw_tracepoint_open(NULL, prog_fd);\n"); break; default: printf("\tint fd = ((void)prog_fd, 0); /* auto-attach not supported */\n"); |