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| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2019-07-16 15:58:27 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2019-07-17 04:41:00 +0300 |
| commit | 1cb59a6074e23c6f6513642f752a6d8d38327354 (patch) | |
| tree | 36d4796a2deccacc5a17ddb00d63d4199a36c7c8 /tools | |
| parent | 9d1f62a6dcf0de3ab184c1f7b7d82117dcbab090 (diff) | |
| download | linux-1cb59a6074e23c6f6513642f752a6d8d38327354.tar.xz | |
selftests/bpf: fix perf_buffer on s390
perf_buffer test fails for exactly the same reason test_attach_probe
used to fail: different nanosleep syscall kprobe name.
Reuse the test_attach_probe fix.
Fixes: ee5cf82ce04a ("selftests/bpf: test perf buffer API")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/attach_probe.c | 12 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/perf_buffer.c | 8 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/test_progs.h | 8 |
3 files changed, 11 insertions, 17 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/attach_probe.c b/tools/testing/selftests/bpf/prog_tests/attach_probe.c index 47af4afc5013..5ecc267d98b0 100644 --- a/tools/testing/selftests/bpf/prog_tests/attach_probe.c +++ b/tools/testing/selftests/bpf/prog_tests/attach_probe.c @@ -21,14 +21,6 @@ ssize_t get_base_addr() { return -EINVAL; } -#ifdef __x86_64__ -#define SYS_KPROBE_NAME "__x64_sys_nanosleep" -#elif defined(__s390x__) -#define SYS_KPROBE_NAME "__s390x_sys_nanosleep" -#else -#define SYS_KPROBE_NAME "sys_nanosleep" -#endif - void test_attach_probe(void) { const char *kprobe_name = "kprobe/sys_nanosleep"; @@ -86,7 +78,7 @@ void test_attach_probe(void) kprobe_link = bpf_program__attach_kprobe(kprobe_prog, false /* retprobe */, - SYS_KPROBE_NAME); + SYS_NANOSLEEP_KPROBE_NAME); if (CHECK(IS_ERR(kprobe_link), "attach_kprobe", "err %ld\n", PTR_ERR(kprobe_link))) { kprobe_link = NULL; @@ -94,7 +86,7 @@ void test_attach_probe(void) } kretprobe_link = bpf_program__attach_kprobe(kretprobe_prog, true /* retprobe */, - SYS_KPROBE_NAME); + SYS_NANOSLEEP_KPROBE_NAME); if (CHECK(IS_ERR(kretprobe_link), "attach_kretprobe", "err %ld\n", PTR_ERR(kretprobe_link))) { kretprobe_link = NULL; diff --git a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c index 3f1ef95865ff..3003fddc0613 100644 --- a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c +++ b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c @@ -5,12 +5,6 @@ #include <sys/socket.h> #include <test_progs.h> -#ifdef __x86_64__ -#define SYS_KPROBE_NAME "__x64_sys_nanosleep" -#else -#define SYS_KPROBE_NAME "sys_nanosleep" -#endif - static void on_sample(void *ctx, int cpu, void *data, __u32 size) { int cpu_data = *(int *)data, duration = 0; @@ -56,7 +50,7 @@ void test_perf_buffer(void) /* attach kprobe */ link = bpf_program__attach_kprobe(prog, false /* retprobe */, - SYS_KPROBE_NAME); + SYS_NANOSLEEP_KPROBE_NAME); if (CHECK(IS_ERR(link), "attach_kprobe", "err %ld\n", PTR_ERR(link))) goto out_close; diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h index f095e1d4c657..49e0f7d85643 100644 --- a/tools/testing/selftests/bpf/test_progs.h +++ b/tools/testing/selftests/bpf/test_progs.h @@ -92,3 +92,11 @@ int compare_map_keys(int map1_fd, int map2_fd); int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len); int extract_build_id(char *build_id, size_t size); void *spin_lock_thread(void *arg); + +#ifdef __x86_64__ +#define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep" +#elif defined(__s390x__) +#define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep" +#else +#define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep" +#endif |