cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bpf_iter_bpf_map.c (659B)

      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}