Add support for all netem parameters.

eval.py

@@ -11,8 +11,9 @@ def run_setup_and_report(setup):
 if __name__ == "__main__":
     # Packet Count Works: 2^15; Segfault at: 2^16
 
+    # TODO: support multiple tests via proper socket termination
     setups = [
-        perf.TestSetup(packets=2**8,delay=0,loss=0,reorder=0,duplicate=1)
+        perf.TestSetup(packets=2**8,delay=0,loss=0.5,reorder=0,duplicate=1)
     ]
 
     for setup in setups:

tests/perf/__init__.py

@@ -68,15 +68,22 @@ class TestResults(object):
         return "%s\n%s\n%s" % (loss, duplicates, delays)
 
 class TestSetup(object):
-    def __init__(self,packets=20,delay=1,loss=0,duplicate=0,reorder=0):
+    def __init__(self,packets=20,delay=1,delay_variation=0,delay_correlation=0,loss=0,loss_correlation=0,duplicate=0,reorder=0,reorder_correlation=0):
         self.packets = packets
         self.delay = delay
+        self.delay_variation = delay_variation
+        self.delay_correlation = delay_correlation
         self.loss = loss
+        self.loss_correlation = loss_correlation
         self.duplicate = duplicate
         self.reorder = reorder
+        self.reorder_correlation = reorder_correlation
 
     def netem_config(self):
-        return "delay %dms loss %s%% duplicate %d%% reorder %d%%" % (self.delay, self.loss, self.duplicate, self.reorder)
+        # http://www.linuxfoundation.org/collaborate/workgroups/networking/netem
+        return "delay %dms %dms %d%% loss %f%% %f%% duplicate %f%% reorder %f%% %f%%" % (
+            self.delay, self.delay_variation, self.delay_correlation, self.loss, self.loss_correlation,
+            self.duplicate, self.reorder, self.reorder_correlation)
 
     def run(self):
         subprocess.run("tc qdisc add dev lo root netem " + self.netem_config(), shell=True)