diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 08a875fa4251fa761b6f3d80e6a65c0549760c42..04a3227ef5e0e78dca264992f81749006ad28801 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1281,6 +1281,8 @@ sub process_passed {
 	    delete $config_list{$config};
 	}
     }
+    doprint "config copied to $outputdir/config_good\n";
+    run_command "cp -f $output_config $outputdir/config_good";
 }
 
 sub process_failed {
@@ -1358,6 +1360,8 @@ sub run_config_bisect {
 
 	doprint "This config had a failure.\n";
 	doprint "Removing these configs that were not set in this config:\n";
+	doprint "config copied to $outputdir/config_bad\n";
+	run_command "cp -f $output_config $outputdir/config_bad";
 
 	# A config exists in this group that was bad.
 	foreach my $config (keys %config_list) {