# SPDX-License-Identifier: BSD-2-Clause

#
# Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
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# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
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import libxml2
from libxml2 import xmlNode
import matplotlib.pyplot as plt
doc = libxml2.parseFile('tmtimer01.scn')
ctx = doc.xpathNewContext()

plt.title('timer test')
plt.xscale('log')
plt.xlabel('active timers')
plt.ylabel('timer fire and cancel [ns]')

x = map(xmlNode.getContent, ctx.xpathEval('/TMTimer01/Sample/ActiveTimers'))
for i in ['First', 'Middle', 'Last']:
	y = map(xmlNode.getContent, ctx.xpathEval('/TMTimer01/Sample/' + i))
	plt.plot(x, y, label = i)
plt.legend(loc = 'best')
plt.show()