apt-cache: stats: Average is over used, not all, buckets

It does not make sense to consider empty buckets in the
average, as they do not affect the lookup performance.

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index 247f612c2a35bcfac2136b50cc91393be75fdb1f..7139bdeacde06409a60caa20bd978d361a2f6e9b 100644 (file)
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -172,7 +172,7 @@ static void ShowHashTableStats(std::string Type,
    cout << "Total buckets in " << Type << ": " << NumBuckets << std::endl;
    cout << "  Unused: " << UnusedBuckets << std::endl;
    cout << "  Used: " << UsedBuckets  << std::endl;
-   cout << "  Average entries: " << Entries/(double)NumBuckets << std::endl;
+   cout << "  Average entries: " << Entries/(double)UsedBuckets << std::endl;
    cout << "  Longest: " << LongestBucket << std::endl;
    cout << "  Shortest: " << ShortestBucket << std::endl;
 }