media-bench: Fix scoreboard range stat

It wasn't normalized as the results are.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/media-bench.pl b/scripts/media-bench.pl
index cdbf6a19..1949b497 100755
--- a/scripts/media-bench.pl
+++ b/scripts/media-bench.pl
@@ -412,7 +412,7 @@ sub dump_scoreboard
 
 	@sorted = sort { $b <=> $a } values %{$h};
 	$max = $sorted[0];
-	$range = $max - $sorted[-1];
+	$range = 1 - $sorted[-1] / $max;
 	$str = "$n rank (range=$range):";
 	say "\n$str";
 	say '=' x length($str);