diff options
| author | Qais Yousef <qais.yousef@arm.com> | 2021-01-19 12:22:37 +0000 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2021-01-20 14:14:05 -0800 |
| commit | 407be92206d54517765e028c8b79032eb8f8ac86 (patch) | |
| tree | 55a14edc1e68c6e2109cc0872a52b12094d75abd /tools/testing/selftests/bpf/progs/test_module_attach.c | |
| parent | trace: bpf: Allow bpf to attach to bare tracepoints (diff) | |
| download | linux-407be92206d54517765e028c8b79032eb8f8ac86.tar.gz linux-407be92206d54517765e028c8b79032eb8f8ac86.zip | |
selftests: bpf: Add a new test for bare tracepoints
Reuse module_attach infrastructure to add a new bare tracepoint to check
we can attach to it as a raw tracepoint.
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20210119122237.2426878-3-qais.yousef@arm.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_module_attach.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_module_attach.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_module_attach.c b/tools/testing/selftests/bpf/progs/test_module_attach.c index efd1e287ac17..bd37ceec5587 100644 --- a/tools/testing/selftests/bpf/progs/test_module_attach.c +++ b/tools/testing/selftests/bpf/progs/test_module_attach.c @@ -17,6 +17,16 @@ int BPF_PROG(handle_raw_tp, return 0; } +__u32 raw_tp_bare_write_sz = 0; + +SEC("raw_tp/bpf_testmod_test_write_bare") +int BPF_PROG(handle_raw_tp_bare, + struct task_struct *task, struct bpf_testmod_test_write_ctx *write_ctx) +{ + raw_tp_bare_write_sz = BPF_CORE_READ(write_ctx, len); + return 0; +} + __u32 tp_btf_read_sz = 0; SEC("tp_btf/bpf_testmod_test_read") |