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Diffstat (limited to 'testsuites/tmtests/tmcontext01/plot.py')
| -rw-r--r-- | testsuites/tmtests/tmcontext01/plot.py | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/testsuites/tmtests/tmcontext01/plot.py b/testsuites/tmtests/tmcontext01/plot.py new file mode 100644 index 0000000000..897c8e2b3c --- /dev/null +++ b/testsuites/tmtests/tmcontext01/plot.py @@ -0,0 +1,37 @@ +# +# Copyright (c) 2014 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.com/license/LICENSE. +# + +import libxml2 +from libxml2 import xmlNode +import matplotlib.pyplot as plt +doc = libxml2.parseFile("tmcontext01.scn") +ctx = doc.xpathNewContext() + +def plot(y): + n=len(y) + x=range(0, n) + plt.plot(x, y) + +plt.title("context switch timing test") +plt.xlabel('function nest level') +plt.ylabel('context switch time [ns]') + +for e in ["normal", "dirty"]: + for i in ["Min", "Q1", "Q2", "Q3", "Max"]: + y=map(xmlNode.getContent, ctx.xpathEval("/Test/ContextSwitchTest[@environment='" + e + "' and not(@load)]/Sample/" + i)) + plot(y) +load=1 +while load > 0: + for i in ["Min", "Q1", "Q2", "Q3", "Max"]: + y=map(xmlNode.getContent, ctx.xpathEval("/Test/ContextSwitchTest[@environment='dirty' and @load='" + str(load) + "']/Sample/" + i)) + if len(y) > 0: + plot(y) + load = load + 1 + else: + load = 0 +plt.show() |