| author | Manuel Jacob <me@manueljacob.de> |
| Mon, 11 Jul 2022 01:51:20 +0200 | |
| branch | stable |
| changeset 49378 | 094a5fa3cf52 |
| parent 48946 | 642e31cb55f0 |
| permissions | -rw-r--r-- |
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""" |
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lsprofcalltree.py - lsprof output which is readable by kcachegrind |
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Authors: |
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* David Allouche <david <at> allouche.net> |
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* Jp Calderone & Itamar Shtull-Trauring |
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* Johan Dahlin |
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This software may be used and distributed according to the terms |
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of the GNU General Public License, incorporated herein by reference. |
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""" |
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from . import pycompat |
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def label(code): |
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if isinstance(code, str): |
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# built-in functions ('~' sorts at the end) |
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return b'~' + pycompat.sysbytes(code) |
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else: |
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return b'%s %s:%d' % ( |
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pycompat.sysbytes(code.co_name), |
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pycompat.sysbytes(code.co_filename), |
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code.co_firstlineno, |
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) |
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class KCacheGrind: |
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def __init__(self, profiler): |
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self.data = profiler.getstats() |
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self.out_file = None |
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def output(self, out_file): |
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self.out_file = out_file |
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out_file.write(b'events: Ticks\n') |
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self._print_summary() |
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for entry in self.data: |
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self._entry(entry) |
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def _print_summary(self): |
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max_cost = 0 |
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for entry in self.data: |
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totaltime = int(entry.totaltime * 1000) |
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max_cost = max(max_cost, totaltime) |
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self.out_file.write(b'summary: %d\n' % max_cost) |
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def _entry(self, entry): |
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out_file = self.out_file |
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code = entry.code |
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if isinstance(code, str): |
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out_file.write(b'fi=~\n') |
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else: |
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out_file.write(b'fi=%s\n' % pycompat.sysbytes(code.co_filename)) |
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out_file.write(b'fn=%s\n' % label(code)) |
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inlinetime = int(entry.inlinetime * 1000) |
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if isinstance(code, str): |
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out_file.write(b'0 %d\n' % inlinetime) |
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else: |
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out_file.write(b'%d %d\n' % (code.co_firstlineno, inlinetime)) |
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# recursive calls are counted in entry.calls |
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if entry.calls: |
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calls = entry.calls |
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else: |
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calls = [] |
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if isinstance(code, str): |
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lineno = 0 |
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else: |
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lineno = code.co_firstlineno |
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for subentry in calls: |
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self._subentry(lineno, subentry) |
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out_file.write(b'\n') |
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def _subentry(self, lineno, subentry): |
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out_file = self.out_file |
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code = subentry.code |
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out_file.write(b'cfn=%s\n' % label(code)) |
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if isinstance(code, str): |
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out_file.write(b'cfi=~\n') |
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out_file.write(b'calls=%d 0\n' % subentry.callcount) |
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else: |
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out_file.write(b'cfi=%s\n' % pycompat.sysbytes(code.co_filename)) |
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out_file.write( |
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b'calls=%d %d\n' % (subentry.callcount, code.co_firstlineno) |
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) |
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totaltime = int(subentry.totaltime * 1000) |
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out_file.write(b'%d %d\n' % (lineno, totaltime)) |