performance-test: add units to In and Out

Austin Read enough Fine Manuals to figure out this is in multiples of
512 bytes.

diff --git a/performance-test/perf-test-lib.sh b/performance-test/perf-test-lib.sh
index 80ec1eb063cdbadfcea116e691ce6d96435d8cdb..1399d0598060b82a3beb5be3679c4f4dba2ec1bf 100644 (file)
--- a/performance-test/perf-test-lib.sh
+++ b/performance-test/perf-test-lib.sh
@@ -42,7 +42,7 @@ add_email_corpus ()
 }
 
 print_header () {
-    printf "[v%4s]               Wall(s)\tUsr(s)\tSys(s)\tRes(K)\tIn\tOut\n" \
+    printf "[v%4s]               Wall(s)\tUsr(s)\tSys(s)\tRes(K)\tIn(512B)\tOut(512B)\n" \
           ${PERFTEST_VERSION}
 }