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28 lines
771 B
Python
28 lines
771 B
Python
# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2016 embedded brains GmbH. All rights reserved.
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#
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# The license and distribution terms for this file may be
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# found in the file LICENSE in this distribution or at
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# http://www.rtems.org/license/LICENSE.
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#
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import libxml2
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from libxml2 import xmlNode
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import matplotlib.pyplot as plt
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doc = libxml2.parseFile('tmtimer01.scn')
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ctx = doc.xpathNewContext()
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plt.title('timer test')
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plt.xscale('log')
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plt.xlabel('active timers')
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plt.ylabel('timer fire and cancel [ns]')
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x = map(xmlNode.getContent, ctx.xpathEval('/TMTimer01/Sample/ActiveTimers'))
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for i in ['First', 'Middle', 'Last']:
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y = map(xmlNode.getContent, ctx.xpathEval('/TMTimer01/Sample/' + i))
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plt.plot(x, y, label = i)
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plt.legend(loc = 'best')
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plt.show()
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