forked from qt-creator/qt-creator
b74f871b5b
A stripped-down and modified version of pyprof2calltree. Change-Id: I9e37a4e13f312b40144394572ef6603bb2161487 Reviewed-by: Eike Ziller <eike.ziller@qt.io>
87 lines
3.5 KiB
Python
87 lines
3.5 KiB
Python
# Copyright(C) 2006-2008, David Allouche, Jp Calderone, Itamar Shtull-Trauring
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# Copyright(C) 2006-2017, Johan Dahlin
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# Copyright(C) 2008, Olivier Grisel <olivier.grisel@ensta.org>
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# Copyright(C) 2008, David Glick
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# Copyright(C) 2013, Steven Maude
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# Copyright(C) 2013-2018, Peter Waller <p@pwaller.net>
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# Copyright(C) 2013, Lukas Graf <lukas.graf@4teamwork.ch>
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# Copyright(C) 2013, Jamie Wong <http://jamie-wong.com>
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# Copyright(C) 2013, Yury V. Zaytsev <yury@shurup.com>
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# Copyright(C) 2014, Michael Droettboom <mdroe@stsci.edu>
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# Copyright(C) 2015, Zev Benjamin <zev@mit.edu>
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# Copyright(C) 2018, Jon Dufresne <jon.dufresne@gmail.com>
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#
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# All rights reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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""" This is a stripped down and modified version of pyprof2calltree """
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def profile_visualize(entries):
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import cProfile
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import io
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import subprocess
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import tempfile
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from collections import defaultdict
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def add_code_by_position(code):
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filename, _, name = cProfile.label(code)
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code_by_position[(filename, name)].add(code)
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def munged_function_name(code):
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filename, firstlineno, name = cProfile.label(code)
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if len(code_by_position[(filename, name)]) == 1:
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return name
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return "%s:%d" % (name, firstlineno)
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code_by_position = defaultdict(set)
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for entry in entries:
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add_code_by_position(entry.code)
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if entry.calls:
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for subentry in entry.calls:
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add_code_by_position(subentry.code)
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fd, outfile = tempfile.mkstemp("-qtc-debugger-profile.txt")
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with io.open(fd, "w") as out:
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scale = 1e9
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out.write('event: ns : Nanoseconds\n')
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out.write('events: ns\n')
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for entry in entries:
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code = entry.code
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filename, firstlineno, name = cProfile.label(code)
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munged_name = munged_function_name(code)
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out.write('fl=%s\nfn=%s\n' % (filename, munged_name))
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out.write('%d %d\n' % (firstlineno, int(entry.inlinetime * scale)))
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if entry.calls:
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for subentry in entry.calls:
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filename, firstlineno, name = cProfile.label(subentry.code)
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munged_name = munged_function_name(subentry.code)
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out.write('cfl=%s\ncfn=%s\n' % (filename, munged_name))
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out.write('calls=%d %d\n' % (subentry.callcount, firstlineno))
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out.write('%d %d\n' % (firstlineno, int(subentry.totaltime * scale)))
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out.write('\n')
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subprocess.Popen(["kcachegrind", outfile])
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