sptimecounter02: Add plot script

testsuites/sptests/sptimecounter02/sptimecounter02.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+
+#
+# Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
+#
+# The license and distribution terms for this file may be
+# found in the file LICENSE in this distribution or at
+# http://www.rtems.org/license/LICENSE.
+#
+
+import re
+import libxml2
+from libxml2 import xmlNode
+import matplotlib.pyplot as plt
+data = open('sptimecounter02.scn').read()
+data = re.sub(r'\*\*\*.*\*\*\*', '', data)
+doc = libxml2.parseDoc(data)
+ctx = doc.xpathNewContext()
+
+plt.title('Timestamp Performance')
+plt.xlabel('Active Workers')
+plt.ylabel('Operation Count')
+
+def m(n):
+	return int(n.getContent())
+
+def getCounterSums(variant):
+	w = 1
+	y = []
+	while True:
+		c = map(m, ctx.xpathEval('/SPTimecounter01/' + variant + '[@activeWorker="' + str(w) + '"]/Counter'))
+		if not c:
+			break
+		y.append(sum(c))
+		w = w + 1
+	return y
+
+y = getCounterSums('BinuptimeTest')
+x = range(1, len(y) + 1)
+plt.xticks(x)
+plt.plot(x, y, marker = 'o')
+plt.show()