Index: benchmark/io/readv.cfa
===================================================================
--- benchmark/io/readv.cfa	(revision b1ac7dd22ea57dc0afe6ad9c858d087ebc7a7312)
+++ benchmark/io/readv.cfa	(revision cb870e04a1fa8b52d7cbaa83d0b9a6ab245a2fd1)
@@ -133,5 +133,5 @@
 	}
 
-	printf("Running %lu threads, reading %lu bytes each, over %lu processors for %lf seconds\n", buflen, nthreads, nprocs, duration);
+	printf("Running %lu threads, reading %lu bytes each, over %lu processors for %lf seconds\n", nthreads, buflen, nprocs, duration);
 
 	{
@@ -160,8 +160,8 @@
 		}
 		printf("Took %'ld ms\n", (end - start)`ms);
-		printf("Total reads:      %'zu\n", count);
-		printf("Reads per second: %'.2lf\n", ((double)count) / (end - start)`s);
-		printf("Total read size:  %'zu\n", buflen * count);
-		printf("Bytes per second: %'.2lf\n", ((double)count * buflen) / (end - start)`s);
+		printf("Total reads      : %'15zu\n", count);
+		printf("Reads per second : %'18.2lf\n", ((double)count) / (end - start)`s);
+		printf("Total read size  : %'15zu\n", buflen * count);
+		printf("Bytes per second : %'18.2lf\n", ((double)count * buflen) / (end - start)`s);
 	}