1 files changed, 69 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/helper-scripts/dpi/ratedistribution.py b/VNFs/DPPD-PROX/helper-scripts/dpi/ratedistribution.py
new file mode 100644
index 00000000..41d8ad53
--- /dev/null
+++ b/VNFs/DPPD-PROX/helper-scripts/dpi/ratedistribution.py
@@ -0,0 +1,69 @@
+#!/bin/env python
+
+##
+## Copyright (c) 2010-2017 Intel Corporation
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+##     http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+##
+
+import sys
+from decimal import *
+
+def usage(progName):
+    print "usage: " + progName + " config [up|down]"
+    print " The script reads a lua configuration "
+    print " and outputs a histogram wit 21 buckets."
+    print " The first 20 buckets contain 70th percentile."
+    print " The last bucket contains the remaining items."
+    exit(-1);
+
+if (len(sys.argv) != 3):
+    usage(sys.argv[0])
+
+if (sys.argv[2] == "down"):
+    match = "dn_bps"
+elif (sys.argv[2] == "up"):
+    match = "up_bps"
+else:
+    usage(sys.argv[0])
+
+values = []
+for line in open(sys.argv[1]).readlines():
+    line = line.strip();
+
+    if line.find(match) != -1:
+        v = line.split(" = ")[1].strip(",")
+        values.append(Decimal(v));
+
+values = sorted(values)
+
+treshold = values[int(len(values)*0.7)]
+
+buckets = [0]*21;
+
+for v in values:
+    if (v > treshold):
+        buckets[20] += 1
+    else:
+        buckets[int(v * 20 / treshold)] += 1
+
+stepSize = treshold / 20;
+
+print "# bucket range, count"
+for i in range(len(buckets) - 1):
+    beg = str(int(i * stepSize))
+    end = str(int((i + 1) * stepSize - 1))
+    print beg + "-" + end + "," + str(buckets[i])
+
+i = len(buckets) - 1
+print beg + "+," + str(buckets[i])