blob: 6286023fd62ba8efc0a939c69bb6c46df1ce7f03 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include "bpf_iter.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
char _license[] SEC("license") = "GPL";
struct key_t {
int a;
int b;
int c;
};
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 3);
__type(key, __u32);
__type(value, __u64);
} arraymap1 SEC(".maps");
__u32 key_sum = 0;
__u64 val_sum = 0;
SEC("iter/bpf_map_elem")
int dump_bpf_array_map(struct bpf_iter__bpf_map_elem *ctx)
{
__u32 *key = ctx->key;
__u64 *val = ctx->value;
if (key == (void *)0 || val == (void *)0)
return 0;
bpf_seq_write(ctx->meta->seq, key, sizeof(__u32));
bpf_seq_write(ctx->meta->seq, val, sizeof(__u64));
key_sum += *key;
val_sum += *val;
*val = *key;
return 0;
}
|
