Mercurial > hg
annotate mercurial/lsprof.py @ 15292:7fa471248185 stable
discovery: Fix error print mentioning a 'None' branch
When talking to old server discovery use heads of the 'None' branch to refer to
topological heads. This use of None should never make it to the end user.
author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
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date | Mon, 17 Oct 2011 11:37:59 +0200 |
parents | b1dcc5ab86cd |
children | be92ddc636e3 |
rev | line source |
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1 import sys |
6212 | 2 from _lsprof import Profiler, profiler_entry |
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3 |
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4 __all__ = ['profile', 'Stats'] |
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5 |
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6 def profile(f, *args, **kwds): |
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7 """XXX docstring""" |
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8 p = Profiler() |
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9 p.enable(subcalls=True, builtins=True) |
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10 try: |
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11 f(*args, **kwds) |
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12 finally: |
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13 p.disable() |
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14 return Stats(p.getstats()) |
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15 |
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16 |
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17 class Stats(object): |
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18 """XXX docstring""" |
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19 |
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20 def __init__(self, data): |
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21 self.data = data |
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22 |
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23 def sort(self, crit="inlinetime"): |
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24 """XXX docstring""" |
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25 if crit not in profiler_entry.__dict__: |
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26 raise ValueError("Can't sort by %s" % crit) |
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27 self.data.sort(key=lambda x: getattr(x, crit), reverse=True) |
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28 for e in self.data: |
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29 if e.calls: |
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30 e.calls.sort(key=lambda x: getattr(x, crit), reverse=True) |
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31 |
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32 def pprint(self, top=None, file=None, limit=None, climit=None): |
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33 """XXX docstring""" |
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34 if file is None: |
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35 file = sys.stdout |
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36 d = self.data |
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37 if top is not None: |
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38 d = d[:top] |
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39 cols = "% 12s %12s %11.4f %11.4f %s\n" |
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40 hcols = "% 12s %12s %12s %12s %s\n" |
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41 file.write(hcols % ("CallCount", "Recursive", "Total(ms)", |
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42 "Inline(ms)", "module:lineno(function)")) |
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43 count = 0 |
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44 for e in d: |
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45 file.write(cols % (e.callcount, e.reccallcount, e.totaltime, |
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46 e.inlinetime, label(e.code))) |
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47 count += 1 |
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48 if limit is not None and count == limit: |
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49 return |
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50 ccount = 0 |
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51 if e.calls: |
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52 for se in e.calls: |
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53 file.write(cols % ("+%s" % se.callcount, se.reccallcount, |
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54 se.totaltime, se.inlinetime, |
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55 "+%s" % label(se.code))) |
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56 count += 1 |
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57 ccount += 1 |
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58 if limit is not None and count == limit: |
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59 return |
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60 if climit is not None and ccount == climit: |
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61 break |
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62 |
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63 def freeze(self): |
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64 """Replace all references to code objects with string |
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65 descriptions; this makes it possible to pickle the instance.""" |
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66 |
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67 # this code is probably rather ickier than it needs to be! |
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68 for i in range(len(self.data)): |
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69 e = self.data[i] |
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70 if not isinstance(e.code, str): |
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71 self.data[i] = type(e)((label(e.code),) + e[1:]) |
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72 if e.calls: |
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73 for j in range(len(e.calls)): |
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74 se = e.calls[j] |
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75 if not isinstance(se.code, str): |
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76 e.calls[j] = type(se)((label(se.code),) + se[1:]) |
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77 |
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78 _fn2mod = {} |
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79 |
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80 def label(code): |
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81 if isinstance(code, str): |
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82 return code |
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83 try: |
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84 mname = _fn2mod[code.co_filename] |
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85 except KeyError: |
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86 for k, v in list(sys.modules.iteritems()): |
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87 if v is None: |
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88 continue |
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89 if not isinstance(getattr(v, '__file__', None), str): |
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90 continue |
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91 if v.__file__.startswith(code.co_filename): |
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92 mname = _fn2mod[code.co_filename] = k |
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93 break |
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94 else: |
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95 mname = _fn2mod[code.co_filename] = '<%s>' % code.co_filename |
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96 |
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97 return '%s:%d(%s)' % (mname, code.co_firstlineno, code.co_name) |
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98 |
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99 |
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100 if __name__ == '__main__': |
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101 import os |
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102 sys.argv = sys.argv[1:] |
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103 if not sys.argv: |
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104 print >> sys.stderr, "usage: lsprof.py <script> <arguments...>" |
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105 sys.exit(2) |
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106 sys.path.insert(0, os.path.abspath(os.path.dirname(sys.argv[0]))) |
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107 stats = profile(execfile, sys.argv[0], globals(), locals()) |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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108 stats.sort() |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
109 stats.pprint() |