CSIT-1504: Soak tests - box plots

- table: stdev, round deltas to 2 dec places

Change-Id: I29cd1f7c9ba8ef73a8281d42ac9f6a06ed30bbdf
Signed-off-by: Tibor Frank <tifrank@cisco.com>
(cherry picked from commit fce7b4b339f7a79b80143bbd796460720489d694)

3 files changed, 18 insertions, 19 deletions

diff --git a/resources/tools/presentation/generator_tables.py b/resources/tools/presentation/generator_tables.py
index 887ee72797..f4c3e54ce4 100644
--- a/resources/tools/presentation/generator_tables.py
+++ b/resources/tools/presentation/generator_tables.py
@@ -608,21 +608,24 @@ def table_soak_vs_ndr(table, input_data):
     tbl_lst = list()
     for tst_name in tbl_dict.keys():
         item = [tbl_dict[tst_name]["name"], ]
-        data_t = tbl_dict[tst_name]["ref-data"]
-        if data_t:
-            item.append(round(mean(data_t) / 1000000, 2))
-            item.append(round(stdev(data_t) / 1000000, 2))
+        data_r = tbl_dict[tst_name]["ref-data"]
+        if data_r:
+            data_r_mean = mean(data_r)
+            item.append(round(data_r_mean / 1000000, 2))
+            item.append(round(stdev(data_r) / 1000000, 2))
         else:
+            data_r_mean = None
             item.extend([None, None])
-        data_t = tbl_dict[tst_name]["cmp-data"]
-        if data_t:
-            item.append(round(mean(data_t) / 1000000, 2))
-            item.append(round(stdev(data_t) / 1000000, 2))
+        data_c = tbl_dict[tst_name]["cmp-data"]
+        if data_c:
+            data_c_mean = mean(data_c)
+            item.append(round(data_c_mean / 1000000, 2))
+            item.append(round(stdev(data_c) / 1000000, 2))
         else:
+            data_c_mean = None
             item.extend([None, None])
-        if item[-4] is not None and item[-2] is not None and item[-4] != 0:
-            item.append(int(relative_change(float(item[-4]), float(item[-2]))))
-        if len(item) == len(header):
+        if data_r_mean and data_c_mean is not None:
+            item.append(round(relative_change(data_r_mean, data_c_mean), 2))
             tbl_lst.append(item)
 
     # Sort the table according to the relative change
diff --git a/resources/tools/presentation/specification.yaml b/resources/tools/presentation/specification.yaml
index 5719b2396a..2b55499c94 100644
--- a/resources/tools/presentation/specification.yaml
+++ b/resources/tools/presentation/specification.yaml
@@ -4560,7 +4560,7 @@
 # Soak test - 30min Soak Test (PLRsearch), boxes
 - type: "plot"
   title: "VPP Throughput: 30min Soak Test (PLRsearch) boxes"
-  algorithm: "plot_soak_boxes"
+  algorithm: "plot_performance_box"
   output-file-type: ".html"
   output-file: "{DIR[STATIC,VPP]}/soak-test-1"
   data: "plot-vpp-soak-2n-skx"
@@ -4583,7 +4583,7 @@
 # Soak test - 30min Soak Test (PLRsearch), boxes
 - type: "plot"
   title: "VPP Throughput: 30min Soak Test (PLRsearch) boxes"
-  algorithm: "plot_soak_boxes"
+  algorithm: "plot_performance_box"
   output-file-type: ".html"
   output-file: "{DIR[STATIC,VPP]}/soak-test-2"
   data: "plot-vpp-soak-2n-skx"
diff --git a/resources/tools/presentation/utils.py b/resources/tools/presentation/utils.py
index 3fdec85774..c350fae135 100644
--- a/resources/tools/presentation/utils.py
+++ b/resources/tools/presentation/utils.py
@@ -24,8 +24,8 @@ import prettytable
 from os import walk, makedirs, environ
 from os.path import join, isdir
 from shutil import move, Error
-from math import sqrt
 from datetime import datetime
+from pandas import Series
 
 from errors import PresentationError
 from jumpavg.BitCountingClassifier import BitCountingClassifier
@@ -51,11 +51,7 @@ def stdev(items):
     :returns: Stdev.
     :rtype: float
     """
-
-    avg = mean(items)
-    variance = [(x - avg) ** 2 for x in items]
-    stddev = sqrt(mean(variance))
-    return stddev
+    return Series.std(Series(items))
 
 
 def relative_change(nr1, nr2):