forked from Imagelibrary/rtems
45 lines
1.9 KiB
Python
45 lines
1.9 KiB
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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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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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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