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authorAndrii Nakryiko <andriin@fb.com>2019-07-12 10:25:57 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2019-07-15 23:02:17 +0200
commit8981e56fa17282598571958ae6a29cbc3209a6cb (patch)
treedcc396b062456daa3af5a598587dfbc604aa7c8c /tools/testing
parentselftests/bpf: add trickier size resolution tests (diff)
downloadlinux-dev-8981e56fa17282598571958ae6a29cbc3209a6cb.tar.xz
linux-dev-8981e56fa17282598571958ae6a29cbc3209a6cb.zip
selftests/bpf: use typedef'ed arrays as map values
Convert few tests that couldn't use typedef'ed arrays due to kernel bug. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/testing')
-rw-r--r--tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c3
-rw-r--r--tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c3
-rw-r--r--tools/testing/selftests/bpf/progs/test_stacktrace_map.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
index d06b47a09097..33254b771384 100644
--- a/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
+++ b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
@@ -47,11 +47,12 @@ struct {
* issue and avoid complicated C programming massaging.
* This is an acceptable workaround since there is one entry here.
*/
+typedef __u64 raw_stack_trace_t[2 * MAX_STACK_RAWTP];
struct {
__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
__uint(max_entries, 1);
__type(key, __u32);
- __u64 (*value)[2 * MAX_STACK_RAWTP];
+ __type(value, raw_stack_trace_t);
} rawdata_map SEC(".maps");
SEC("tracepoint/raw_syscalls/sys_enter")
diff --git a/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
index bbfc8337b6f0..f5638e26865d 100644
--- a/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
+++ b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
@@ -36,8 +36,7 @@ struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 128);
__type(key, __u32);
- /* there seems to be a bug in kernel not handling typedef properly */
- struct bpf_stack_build_id (*value)[PERF_MAX_STACK_DEPTH];
+ __type(value, stack_trace_t);
} stack_amap SEC(".maps");
/* taken from /sys/kernel/debug/tracing/events/random/urandom_read/format */
diff --git a/tools/testing/selftests/bpf/progs/test_stacktrace_map.c b/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
index 803c15dc109d..fa0be3e10a10 100644
--- a/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
+++ b/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
@@ -35,7 +35,7 @@ struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 16384);
__type(key, __u32);
- __u64 (*value)[PERF_MAX_STACK_DEPTH];
+ __type(value, stack_trace_t);
} stack_amap SEC(".maps");
/* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */