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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
/* "undefine" structs in vmlinux.h, because we "override" them below */
#define bpf_iter_meta bpf_iter_meta___not_used
#define bpf_iter__bpf_map bpf_iter__bpf_map___not_used
#include "vmlinux.h"
#undef bpf_iter_meta
#undef bpf_iter__bpf_map
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
char _license[] SEC("license") = "GPL";
struct bpf_iter_meta {
struct seq_file *seq;
__u64 session_id;
__u64 seq_num;
} __attribute__((preserve_access_index));
struct bpf_iter__bpf_map {
struct bpf_iter_meta *meta;
struct bpf_map *map;
} __attribute__((preserve_access_index));
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,
map->memory.user->locked_vm.counter);
return 0;
}
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