X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FTrafficGenerator.py;h=36a83851cb79636cd6c15ec0a00e03114be32997;hb=ada7009a3c826430e83a29c31bdf9a5973986ad9;hp=8acf1eb28baafd5eeda6ab16c185813736dd243d;hpb=7dda8f57f750c253d3c96ac1b02a84c58e36a6d8;p=csit.git

diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index 8acf1eb28b..36a83851cb 100644
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -107,9 +107,9 @@ class TrafficGenerator(AbstractMeasurer):
     FIXME: Describe API."""
 
     # TODO: Decrease friction between various search and rate provider APIs.
-    # FIXME: Remove "trex" from lines which could work with other TGs.
+    # TODO: Remove "trex" from lines which could work with other TGs.
 
-    # use one instance of TrafficGenerator for all tests in test suite
+    # Use one instance of TrafficGenerator for all tests in test suite
     ROBOT_LIBRARY_SCOPE = 'TEST SUITE'
 
     def __init__(self):
@@ -613,7 +613,7 @@ class OptimizedSearch(object):
             maximum_transmit_rate, packet_loss_ratio=0.005,
             final_relative_width=0.005, final_trial_duration=30.0,
             initial_trial_duration=1.0, number_of_intermediate_phases=2,
-            timeout=720.0):
+            timeout=720.0, doublings=1):
         """Setup initialized TG, perform optimized search, return intervals.
 
         :param frame_size: Frame size identifier or value [B].
@@ -633,6 +633,9 @@ class OptimizedSearch(object):
             to perform before the final phase [1].
         :param timeout: The search will fail itself when not finished
             before this overall time [s].
+        :param doublings: How many doublings to do in external search step.
+            Default 1 is suitable for fairly stable tests,
+            less stable tests might get better overal duration with 2 or more.
         :type frame_size: str or int
         :type traffic_type: str
         :type minimum_transmit_rate: float
@@ -643,6 +646,7 @@ class OptimizedSearch(object):
         :type initial_trial_duration: float
         :type number_of_intermediate_phases: int
         :type timeout: float
+        :type doublings: int
         :returns: Structure containing narrowed down NDR and PDR intervals
             and their measurements.
         :rtype: NdrPdrResult
@@ -657,7 +661,8 @@ class OptimizedSearch(object):
             measurer=tg_instance, final_trial_duration=final_trial_duration,
             final_relative_width=final_relative_width,
             number_of_intermediate_phases=number_of_intermediate_phases,
-            initial_trial_duration=initial_trial_duration, timeout=timeout)
+            initial_trial_duration=initial_trial_duration, timeout=timeout,
+            doublings=doublings)
         result = algorithm.narrow_down_ndr_and_pdr(
             minimum_transmit_rate, maximum_transmit_rate, packet_loss_ratio)
         return result