X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=yardstick%2Fbenchmark%2Frunners%2Farithmetic.py;h=f73d1cd0c432e9b2b48b9e7268b36892ff190314;hb=120cf2893a4cc8871dc55c56ce019301f55cad3d;hp=a3aceb35d5d04a6b6b5f55faee7d9c6b684552a3;hpb=d290591a6f53d74ed00fe49e93654be5c486e998;p=yardstick.git

diff --git a/yardstick/benchmark/runners/arithmetic.py b/yardstick/benchmark/runners/arithmetic.py
old mode 100644
new mode 100755
index a3aceb35d..f73d1cd0c
--- a/yardstick/benchmark/runners/arithmetic.py
+++ b/yardstick/benchmark/runners/arithmetic.py
@@ -48,8 +48,9 @@ def _worker_process(queue, cls, method_name, context, scenario_args):
     sla_action = None
     if "sla" in scenario_args:
         sla_action = scenario_args["sla"].get("action", "assert")
+    margin = 1 if step > 0 else -1
 
-    for value in range(start, stop, step):
+    for value in range(start, stop+margin, step):
 
         options[arg_name] = value
 
@@ -97,6 +98,30 @@ def _worker_process(queue, cls, method_name, context, scenario_args):
 
 
 class ArithmeticRunner(base.Runner):
+    '''Run a scenario arithmetically stepping an input value
+
+  Parameters
+    interval - time to wait between each scenario invocation
+        type:    int
+        unit:    seconds
+        default: 1 sec
+    name - name of scenario option that will be increased for each invocation
+        type:    string
+        unit:    na
+        default: none
+    start - value to use in first invocation of scenario
+        type:    int
+        unit:    na
+        default: none
+    step - value added to start value in next invocation of scenario
+        type:    int
+        unit:    na
+        default: none
+    stop - value indicating end of invocation
+        type:    int
+        unit:    na
+        default: none
+    '''
 
     __execution_type__ = 'Arithmetic'