diff options
| -rw-r--r-- | cmd/zdb/zdb.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c index d53cb2184..94b359029 100644 --- a/cmd/zdb/zdb.c +++ b/cmd/zdb/zdb.c @@ -2303,7 +2303,7 @@ dump_nvlist_stats(nvlist_t *nvl, size_t cap) { zdb_nvl_stats_t stats = { 0 }; size_t size, sum = 0, total; - size_t noise, average; + size_t noise; /* requires nvlist with non-unique names for stat collection */ VERIFY0(nvlist_alloc(&stats.zns_string, 0, 0)); @@ -2344,15 +2344,18 @@ dump_nvlist_stats(nvlist_t *nvl, size_t cap) (void) printf("%12s %4d %6d bytes (%5.2f%%)\n\n", "nvlists:", stats.zns_list_count, (int)size, 100.0 * size / total); - average = stats.zns_leaf_total / stats.zns_leaf_count; - (void) printf("%12s %4d %6d bytes average\n", - "leaf vdevs:", stats.zns_leaf_count, (int)average); - (void) printf("%24d bytes largest\n", (int)stats.zns_leaf_largest); + if (stats.zns_leaf_count > 0) { + size_t average = stats.zns_leaf_total / stats.zns_leaf_count; - if (dump_opt['l'] >= 3) - (void) printf(" space for %d additional leaf vdevs\n", - (int)((cap - total) / average)); + (void) printf("%12s %4d %6d bytes average\n", "leaf vdevs:", + stats.zns_leaf_count, (int)average); + (void) printf("%24d bytes largest\n", + (int)stats.zns_leaf_largest); + if (dump_opt['l'] >= 3 && average > 0) + (void) printf(" space for %d additional leaf vdevs\n", + (int)((cap - total) / average)); + } (void) printf("\n"); nvlist_free(stats.zns_string); |