1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2020 Facebook */
 3#include "bpf_iter.h"
 4#include <bpf/bpf_helpers.h>
 
 5
 6char _license[] SEC("license") = "GPL";
 7
 8SEC("iter/bpf_map")
 9int dump_bpf_map(struct bpf_iter__bpf_map *ctx)
10{
11	struct seq_file *seq = ctx->meta->seq;
12	__u64 seq_num = ctx->meta->seq_num;
13	struct bpf_map *map = ctx->map;
14
15	if (map == (void *)0) {
16		BPF_SEQ_PRINTF(seq, "      %%%%%% END %%%%%%\n");
17		return 0;
18	}
19
20	if (seq_num == 0)
21		BPF_SEQ_PRINTF(seq, "      id   refcnt  usercnt  locked_vm\n");
22
23	BPF_SEQ_PRINTF(seq, "%8u %8ld %8ld %10lu\n", map->id, map->refcnt.counter,
24		       map->usercnt.counter,
25		       0LLU);
26	return 0;
27}

 1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2020 Facebook */
 3#include "bpf_iter.h"
 4#include <bpf/bpf_helpers.h>
 5#include <bpf/bpf_tracing.h>
 6
 7char _license[] SEC("license") = "GPL";
 8
 9SEC("iter/bpf_map")
10int dump_bpf_map(struct bpf_iter__bpf_map *ctx)
11{
12	struct seq_file *seq = ctx->meta->seq;
13	__u64 seq_num = ctx->meta->seq_num;
14	struct bpf_map *map = ctx->map;
15
16	if (map == (void *)0) {
17		BPF_SEQ_PRINTF(seq, "      %%%%%% END %%%%%%\n");
18		return 0;
19	}
20
21	if (seq_num == 0)
22		BPF_SEQ_PRINTF(seq, "      id   refcnt  usercnt  locked_vm\n");
23
24	BPF_SEQ_PRINTF(seq, "%8u %8ld %8ld %10lu\n", map->id, map->refcnt.counter,
25		       map->usercnt.counter,
26		       map->memory.user->locked_vm.counter);
27	return 0;
28}