diff -r 43f8a0f5edd3 perf.py
--- a/perf.py	Fri Nov 23 23:40:58 2012 +0100
+++ b/perf.py	Sun Mar 10 22:04:46 2013 +0530
@@ -2220,12 +2220,18 @@
     all_benchmarks = bench_funcs.keys()
     bench_groups["all"] = all_benchmarks
 
+    # Calculate the number of expanded benchmark names for every group
+    bench_counts = {}
+    for name in bench_groups:
+        bench_counts[name] = sum(1 for _ in
+                                 _ExpandBenchmarkName(name, bench_groups))
+
     # Prettify the displayed benchmark list: first the benchmark groups by
     # decreasing number of benches, then individual benchmarks by
     # lexicographic order.
     pretty_benchmarks = ["%s(%d)" % (name, nbenchs)
         for nbenchs, name in sorted(
-            ((len(v), k) for (k, v) in bench_groups.items()),
+            ((v, k) for (k, v) in bench_counts.items()),
             reverse=True)]
     pretty_benchmarks.extend(sorted(all_benchmarks))