bpf: make preloaded map iterators to display map elements count

[linux-2.6-microblaze.git] / kernel / bpf / preload / iterators / iterators.bpf.c

diff --git a/kernel/bpf/preload/iterators/iterators.bpf.c b/kernel/bpf/preload/iterators/iterators.bpf.c
index 03af863..b78968b 100644 (file)
--- a/kernel/bpf/preload/iterators/iterators.bpf.c
+++ b/kernel/bpf/preload/iterators/iterators.bpf.c
@@ -73,6 +73,8 @@ static const char *get_name(struct btf *btf, long btf_id, const char *fallback)
        return str + name_off;
 }
 
+__s64 bpf_map_sum_elem_count(struct bpf_map *map) __ksym;
+
 SEC("iter/bpf_map")
 int dump_bpf_map(struct bpf_iter__bpf_map *ctx)
 {
@@ -84,9 +86,12 @@ int dump_bpf_map(struct bpf_iter__bpf_map *ctx)
                return 0;
 
        if (seq_num == 0)
-               BPF_SEQ_PRINTF(seq, "  id name             max_entries\n");
+               BPF_SEQ_PRINTF(seq, "  id name             max_entries  cur_entries\n");
+
+       BPF_SEQ_PRINTF(seq, "%4u %-16s  %10d   %10lld\n",
+                      map->id, map->name, map->max_entries,
+                      bpf_map_sum_elem_count(map));
 
-       BPF_SEQ_PRINTF(seq, "%4u %-16s%6d\n", map->id, map->name, map->max_entries);
        return 0;
 }