diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/stacktrace_map.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/stacktrace_map.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c index 2e3da2030a2d..c23b97414813 100644 --- a/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c +++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c @@ -7,7 +7,8 @@ void test_stacktrace_map(void) struct stacktrace_map *skel; int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd; int err, stack_trace_len; - __u32 key, val, duration = 0; + __u32 key, val, stack_id, duration = 0; + __u64 stack[PERF_MAX_STACK_DEPTH]; skel = stacktrace_map__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_open_and_load")) @@ -48,6 +49,14 @@ void test_stacktrace_map(void) "err %d errno %d\n", err, errno)) goto out; + stack_id = skel->bss->stack_id; + err = bpf_map_lookup_and_delete_elem(stackmap_fd, &stack_id, stack); + if (!ASSERT_OK(err, "lookup and delete target stack_id")) + goto out; + + err = bpf_map_lookup_elem(stackmap_fd, &stack_id, stack); + if (!ASSERT_EQ(err, -ENOENT, "lookup deleted stack_id")) + goto out; out: stacktrace_map__destroy(skel); } |