// SPDX-License-Identifier: GPL-2.0 | |
/* Copyright (c) 2020 Facebook */ | |
#include "bpf_iter.h" | |
#include <bpf/bpf_helpers.h> | |
char _license[] SEC("license") = "GPL"; | |
SEC("iter/bpf_map") | |
int dump_bpf_map(struct bpf_iter__bpf_map *ctx) | |
{ | |
struct seq_file *seq = ctx->meta->seq; | |
__u64 seq_num = ctx->meta->seq_num; | |
struct bpf_map *map = ctx->map; | |
if (map == (void *)0) { | |
BPF_SEQ_PRINTF(seq, " %%%%%% END %%%%%%\n"); | |
return 0; | |
} | |
if (seq_num == 0) | |
BPF_SEQ_PRINTF(seq, " id refcnt usercnt locked_vm\n"); | |
BPF_SEQ_PRINTF(seq, "%8u %8ld %8ld %10lu\n", map->id, map->refcnt.counter, | |
map->usercnt.counter, | |
0LLU); | |
return 0; | |
} |