diff -r f634a34f2f0b -r 76376e20e961 configs/common/Options.py
--- a/configs/common/Options.py	Tue Oct 23 04:49:48 2012 -0400
+++ b/configs/common/Options.py	Tue Oct 23 20:24:17 2012 +0200
@@ -32,6 +32,10 @@
 from Benchmarks import *
 
 def addCommonOptions(parser):
+    parser.add_option("--post-script", type="string",
+                      help = "script to execute after configuration "
+                      "(provides 'root' and 'options')")
+
     # system options
     parser.add_option("--cpu-type", type="choice", default="atomic",
                       choices = ["atomic", "timing", "detailed", "inorder",
diff -r f634a34f2f0b -r 76376e20e961 configs/common/Simulation.py
--- a/configs/common/Simulation.py	Tue Oct 23 04:49:48 2012 -0400
+++ b/configs/common/Simulation.py	Tue Oct 23 20:24:17 2012 +0200
@@ -428,6 +428,14 @@
             for i in xrange(np):
                 testsys.cpu[i].max_insts_any_thread = offset
 
+    # Let the user finish-up setting parameters
+    if options.post_script:
+        variables = {"root": root, "options": options}
+        execfile(options.post_script, variables)
+        options = variables["options"]
+        root = variables["root"]
+        test_sys = root.system
+
     checkpoint_dir = None
     if options.checkpoint_restore != None:
         maxtick, checkpoint_dir = findCptDir(options, maxtick, cptdir, testsys)