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authorAndrii Nakryiko <andrii@kernel.org>2022-05-12 15:07:13 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2022-05-13 15:15:21 +0200
commitb2531d4bdce19f28364b45aac9132e153b1f23a4 (patch)
tree27503123979708af060a30162c296b4917c5ca89 /tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
parent737d0646a83cdc65c070a9de61a1ef106cca5ff1 (diff)
downloadlinux-b2531d4bdce19f28364b45aac9132e153b1f23a4.tar.bz2
selftests/bpf: Convert some selftests to high-level BPF map APIs
Convert a bunch of selftests to using newly added high-level BPF map APIs. This change exposed that map_kptr selftests allocated too big buffer, which is fixed in this patch as well. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20220512220713.2617964-2-andrii@kernel.org
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
index e8399ae50e77..9ad09a6c538a 100644
--- a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
@@ -8,7 +8,7 @@ void test_stacktrace_build_id(void)
int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
struct test_stacktrace_build_id *skel;
int err, stack_trace_len;
- __u32 key, previous_key, val, duration = 0;
+ __u32 key, prev_key, val, duration = 0;
char buf[256];
int i, j;
struct bpf_stack_build_id id_offs[PERF_MAX_STACK_DEPTH];
@@ -58,7 +58,7 @@ retry:
"err %d errno %d\n", err, errno))
goto cleanup;
- err = bpf_map_get_next_key(stackmap_fd, NULL, &key);
+ err = bpf_map__get_next_key(skel->maps.stackmap, NULL, &key, sizeof(key));
if (CHECK(err, "get_next_key from stackmap",
"err %d, errno %d\n", err, errno))
goto cleanup;
@@ -79,8 +79,8 @@ retry:
if (strstr(buf, build_id) != NULL)
build_id_matches = 1;
}
- previous_key = key;
- } while (bpf_map_get_next_key(stackmap_fd, &previous_key, &key) == 0);
+ prev_key = key;
+ } while (bpf_map__get_next_key(skel->maps.stackmap, &prev_key, &key, sizeof(key)) == 0);
/* stack_map_get_build_id_offset() is racy and sometimes can return
* BPF_STACK_BUILD_ID_IP instead of BPF_STACK_BUILD_ID_VALID;