diff --git a/lagarto-ox.nix b/lagarto-ox.nix
index ca54c7c..015acf8 100644
--- a/lagarto-ox.nix
+++ b/lagarto-ox.nix
@@ -408,6 +408,8 @@
       export  TMPDIR=/tmp
       # We need /bin/sh
       ln -s $(which sh) /bin/sh
+      # Check CPU usage
+      vmstat 5 5
       bash -x speclaunch
       cat /tmp/spec/time.csv
       # Give me a shell at the end