[pypy-svn] r47715 - pypy/dist/pypy/tool
fijal at codespeak.net
fijal at codespeak.net
Mon Oct 22 21:49:39 CEST 2007
Author: fijal
Date: Mon Oct 22 21:49:39 2007
New Revision: 47715
Added:
pypy/dist/pypy/tool/lsprofcalltree.py (contents, props changed)
Log:
Add lsprofcalltree to pypy tree. It took me some time to find it.
Added: pypy/dist/pypy/tool/lsprofcalltree.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/tool/lsprofcalltree.py Mon Oct 22 21:49:39 2007
@@ -0,0 +1,119 @@
+# lsprofcalltree.py: lsprof output which is readable by kcachegrind
+# David Allouche
+# Jp Calderone & Itamar Shtull-Trauring
+# Johan Dahlin
+
+import optparse
+import os
+import sys
+
+try:
+ import cProfile
+except ImportError:
+ raise SystemExit("This script requires cProfile from Python 2.5")
+
+def label(code):
+ if isinstance(code, str):
+ return ('~', 0, code) # built-in functions ('~' sorts at the end)
+ else:
+ return '%s %s:%d' % (code.co_name,
+ code.co_filename,
+ code.co_firstlineno)
+
+class KCacheGrind(object):
+ def __init__(self, profiler):
+ self.data = profiler.getstats()
+ self.out_file = None
+
+ def output(self, out_file):
+ self.out_file = out_file
+ print >> out_file, 'events: Ticks'
+ self._print_summary()
+ for entry in self.data:
+ self._entry(entry)
+
+ def _print_summary(self):
+ max_cost = 0
+ for entry in self.data:
+ totaltime = int(entry.totaltime * 1000)
+ max_cost = max(max_cost, totaltime)
+ print >> self.out_file, 'summary: %d' % (max_cost,)
+
+ def _entry(self, entry):
+ out_file = self.out_file
+
+ code = entry.code
+ #print >> out_file, 'ob=%s' % (code.co_filename,)
+ if isinstance(code, str):
+ print >> out_file, 'fi=~'
+ else:
+ print >> out_file, 'fi=%s' % (code.co_filename,)
+ print >> out_file, 'fn=%s' % (label(code),)
+
+ inlinetime = int(entry.inlinetime * 1000)
+ if isinstance(code, str):
+ print >> out_file, '0 ', inlinetime
+ else:
+ print >> out_file, '%d %d' % (code.co_firstlineno, inlinetime)
+
+ # recursive calls are counted in entry.calls
+ if entry.calls:
+ calls = entry.calls
+ else:
+ calls = []
+
+ if isinstance(code, str):
+ lineno = 0
+ else:
+ lineno = code.co_firstlineno
+
+ for subentry in calls:
+ self._subentry(lineno, subentry)
+ print >> out_file
+
+ def _subentry(self, lineno, subentry):
+ out_file = self.out_file
+ code = subentry.code
+ #print >> out_file, 'cob=%s' % (code.co_filename,)
+ print >> out_file, 'cfn=%s' % (label(code),)
+ if isinstance(code, str):
+ print >> out_file, 'cfi=~'
+ print >> out_file, 'calls=%d 0' % (subentry.callcount,)
+ else:
+ print >> out_file, 'cfi=%s' % (code.co_filename,)
+ print >> out_file, 'calls=%d %d' % (
+ subentry.callcount, code.co_firstlineno)
+
+ totaltime = int(subentry.totaltime * 1000)
+ print >> out_file, '%d %d' % (lineno, totaltime)
+
+def main(args):
+ usage = "%s [-o output_file_path] scriptfile [arg] ..."
+ parser = optparse.OptionParser(usage=usage % sys.argv[0])
+ parser.allow_interspersed_args = False
+ parser.add_option('-o', '--outfile', dest="outfile",
+ help="Save stats to <outfile>", default=None)
+
+ if not sys.argv[1:]:
+ parser.print_usage()
+ sys.exit(2)
+
+ options, args = parser.parse_args()
+
+ if not options.outfile:
+ options.outfile = '%s.log' % os.path.basename(args[0])
+
+ sys.argv[:] = args
+
+ prof = cProfile.Profile()
+ try:
+ try:
+ prof = prof.run('execfile(%r)' % (sys.argv[0],))
+ except SystemExit:
+ pass
+ finally:
+ kg = KCacheGrind(prof)
+ kg.output(file(options.outfile, 'w'))
+
+if __name__ == '__main__':
+ sys.exit(main(sys.argv))
More information about the Pypy-commit
mailing list