diff --git a/bin/rqgenload b/bin/rqgenload
index 674889c4..7eb6f499 100755
--- a/bin/rqgenload
+++ b/bin/rqgenload
@@ -18,10 +18,7 @@ def main():
 
     use_redis()
 
-    #funcs = filter(lambda s: not s.startswith('_'), dir(rq.dummy))
-    #print(funcs)
-
-    queues = ('default', 'high', 'normal', 'low')
+    queues = ('default', 'high', 'low')
 
     sample_calls = [
             (dummy.do_nothing, [], {}),
@@ -30,6 +27,10 @@ def main():
             (dummy.do_nothing, [], {}),
             (dummy.do_nothing, [], {}),
             (dummy.sleep, [1], {}),
+            (dummy.fib, [8], {}),              # normal result
+            (dummy.fib, [24], {}),             # takes pretty long
+            (dummy.div_by_zero, [], {}),       # 5 / 0 => div by zero exc
+            (dummy.fib, [30], {}),             # takes long, then crashes
     ]
 
     for i in range(opts.count):
diff --git a/rq/dummy.py b/rq/dummy.py
index f4b8dc2f..b2ad0556 100644
--- a/rq/dummy.py
+++ b/rq/dummy.py
@@ -21,6 +21,12 @@ def endless_loop():
 def div_by_zero():
     1/0
 
+def fib(n):
+    if n <= 1:
+        return 1
+    else:
+        return fib(n-2) + fib(n-1)
+
 def yield_stuff():
     yield 7
     yield 'foo'