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80 lines
2.5 KiB
Python
Executable File
80 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (c) 2018 embedded brains GmbH. All rights reserved.
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#
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# embedded brains GmbH
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# Dornierstr. 4
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# 82178 Puchheim
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# Germany
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# <rtems@embedded-brains.de>
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# 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 AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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import re
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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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data = open('epoch01.scn').read()
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data = re.sub(r'\*\*\*.*\*\*\*', '', data)
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doc = libxml2.parseDoc(data)
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ctx = doc.xpathNewContext()
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plt.yscale('log')
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plt.title('Epoch Performance')
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plt.xlabel('Active Workers')
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plt.ylabel('Operation Count')
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def m(n):
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return int(n.getContent())
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def getCounterSums(variant):
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w = 1
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y = []
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while True:
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c = map(m, ctx.xpathEval('/TestEpoch01/' + variant + '[@activeWorker="' + str(w) + '"]/Counter'))
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if not c:
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break
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y.append(sum(c))
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w = w + 1
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return y
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y = getCounterSums('ThreadLocalMutex')
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x = range(1, len(y) + 1)
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plt.plot(x, y, label = 'Thread-Local Mutex', marker = 'o')
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y = getCounterSums('EnterExit')
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plt.plot(x, y, label = 'Enter Exit', marker = 'o')
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y = getCounterSums('EnterExitPreempt')
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plt.plot(x, y, label = 'Enter Exit Preempt', marker = 'o')
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y = getCounterSums('EnterListOpExit')
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plt.plot(x, y, label = 'Enter List Op Exit', marker = 'o')
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y = getCounterSums('EnterListOpExitPreempt')
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plt.plot(x, y, label = 'Enter List Op Exit Preempt', marker = 'o')
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plt.legend(loc = 'best')
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plt.show()
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