diff --git a/src/ikarus.boot b/src/ikarus.boot
index 3cfeee3..c19ea0b 100644
Binary files a/src/ikarus.boot and b/src/ikarus.boot differ
diff --git a/src/ikarus.timer.ss b/src/ikarus.timer.ss
index 43c0a23..54e7de9 100644
--- a/src/ikarus.timer.ss
+++ b/src/ikarus.timer.ss
@@ -48,6 +48,16 @@
                (stats-real-usecs t1) (stats-real-usecs t0))
         (msecs (stats-gc-real-secs t1) (stats-gc-real-secs t0)
                (stats-gc-real-usecs t1) (stats-gc-real-usecs t0)))
+    (print-time "user"  
+       (msecs (stats-user-secs t1)  (stats-user-secs t0)
+              (stats-user-usecs t1) (stats-user-usecs t0))
+       (msecs (stats-gc-user-secs t1)  (stats-gc-user-secs t0)
+              (stats-gc-user-usecs t1) (stats-gc-user-usecs t0)))
+    (print-time "sys"  
+       (msecs (stats-sys-secs t1)  (stats-sys-secs t0)
+              (stats-sys-usecs t1) (stats-sys-usecs t0))
+       (msecs (stats-gc-sys-secs t1)  (stats-gc-sys-secs t0)
+              (stats-gc-sys-usecs t1) (stats-gc-sys-usecs t0)))
     (printf "    ~a bytes allocated\n" bytes))
 
   (define (print-stats-old message bytes t1 t0)