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selftests/bpf: convert tests w/ custom values to BTF-defined maps

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Convert a bulk of selftests that have maps with custom (not integer) key
and/or value.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Andrii Nakryiko
2019-06-17 12:26:59 -07:00
committed by Daniel Borkmann
parent f654407481
commit df0b779259
14 changed files with 285 additions and 140 deletions
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44
tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
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@@ -8,34 +8,50 @@
#define PERF_MAX_STACK_DEPTH 127
#endif
struct bpf_map_def SEC("maps") control_map = {
struct {
__u32 type;
__u32 max_entries;
__u32 *key;
__u32 *value;
} control_map SEC(".maps") = {
.type = BPF_MAP_TYPE_ARRAY,
.key_size = sizeof(__u32),
.value_size = sizeof(__u32),
.max_entries = 1,
};
struct bpf_map_def SEC("maps") stackid_hmap = {
struct {
__u32 type;
__u32 max_entries;
__u32 *key;
__u32 *value;
} stackid_hmap SEC(".maps") = {
.type = BPF_MAP_TYPE_HASH,
.key_size = sizeof(__u32),
.value_size = sizeof(__u32),
.max_entries = 16384,
};
struct bpf_map_def SEC("maps") stackmap = {
typedef struct bpf_stack_build_id stack_trace_t[PERF_MAX_STACK_DEPTH];
struct {
__u32 type;
__u32 max_entries;
__u32 map_flags;
__u32 key_size;
__u32 value_size;
} stackmap SEC(".maps") = {
.type = BPF_MAP_TYPE_STACK_TRACE,
.key_size = sizeof(__u32),
.value_size = sizeof(struct bpf_stack_build_id)
* PERF_MAX_STACK_DEPTH,
.max_entries = 128,
.map_flags = BPF_F_STACK_BUILD_ID,
.key_size = sizeof(__u32),
.value_size = sizeof(stack_trace_t),
};
struct bpf_map_def SEC("maps") stack_amap = {
struct {
__u32 type;
__u32 max_entries;
__u32 *key;
/* there seems to be a bug in kernel not handling typedef properly */
struct bpf_stack_build_id (*value)[PERF_MAX_STACK_DEPTH];
} stack_amap SEC(".maps") = {
.type = BPF_MAP_TYPE_ARRAY,
.key_size = sizeof(__u32),
.value_size = sizeof(struct bpf_stack_build_id)
* PERF_MAX_STACK_DEPTH,
.max_entries = 128,
};