Mercurial > hg
annotate mercurial/lsprof.py @ 16719:e7bf09acd410
localrepo: add branchtip() method for faster single-branch lookups
For the PyPy repo with 744 branches and 843 branch heads, this brings
hg log -r default over NFS from:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
3249 0 1.3222 1.3222 <open>
3244 0 0.6211 0.6211 <method 'close' of 'file' objects>
3243 0 0.0800 0.0800 <method 'read' of 'file' objects>
3241 0 0.0660 0.0660 <method 'seek' of 'file' objects>
3905 0 0.0476 0.0476 <zlib.decompress>
3281 0 2.6756 0.0472 mercurial.changelog:182(read)
+3281 0 2.5256 0.0453 +mercurial.revlog:881(revision)
+3276 0 0.0389 0.0196 +mercurial.changelog:28(decodeextra)
+6562 0 0.0123 0.0123 +<method 'split' of 'str' objects>
+6562 0 0.0408 0.0073 +mercurial.encoding:61(tolocal)
+3281 0 0.0054 0.0054 +<method 'index' of 'str' objects>
3241 0 2.2464 0.0456 mercurial.revlog:818(_loadchunk)
+3241 0 0.6205 0.6205 +<method 'close' of 'file' objects>
+3241 0 0.0765 0.0765 +<method 'read' of 'file' objects>
+3241 0 0.0660 0.0660 +<method 'seek' of 'file' objects>
+3241 0 1.4209 0.0135 +mercurial.store:374(__call__)
+3241 0 0.0122 0.0107 +mercurial.revlog:810(_addchunk)
3281 0 2.5256 0.0453 mercurial.revlog:881(revision)
+3280 0 0.0175 0.0175 +mercurial.revlog:305(rev)
+3281 0 2.2819 0.0119 +mercurial.revlog:847(_chunkraw)
+3281 0 0.0603 0.0083 +mercurial.revlog:945(_checkhash)
+3281 0 0.0051 0.0051 +mercurial.revlog:349(flags)
+3281 0 0.0040 0.0040 +<mercurial.mpatch.patches>
13682 0 0.0479 0.0248 <method 'decode' of 'str' objects>
+7418 0 0.0228 0.0076 +encodings.utf_8:15(decode)
+1 0 0.0003 0.0000 +encodings:71(search_function)
3248 0 1.3995 0.0246 mercurial.scmutil:218(__call__)
+3248 0 1.3222 1.3222 +<open>
+3248 0 0.0235 0.0184 +os.path:80(split)
+3248 0 0.0084 0.0068 +mercurial.scmutil:92(__call__)
Time: real 2.750 secs (user 0.680+0.000 sys 0.360+0.000)
down to:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
55 31 0.0197 0.0163 <__import__>
+1 0 0.0006 0.0002 +mercurial.context:8(<module>)
+1 0 0.0042 0.0001 +mercurial.revlog:12(<module>)
+1 0 0.0002 0.0001 +mercurial.match:8(<module>)
+1 0 0.0003 0.0001 +mercurial.dirstate:7(<module>)
+1 0 0.0057 0.0001 +mercurial.changelog:8(<module>)
1 0 0.0117 0.0032 mercurial.localrepo:525(_readbranchcache)
+844 0 0.0015 0.0015 +<binascii.unhexlify>
+845 0 0.0010 0.0010 +<method 'split' of 'str' objects>
+843 0 0.0045 0.0009 +mercurial.encoding:61(tolocal)
+843 0 0.0004 0.0004 +<method 'setdefault' of 'dict' objects>
+1 0 0.0003 0.0003 +<method 'close' of 'file' objects>
3 0 0.0029 0.0029 <method 'read' of 'file' objects>
9 0 0.0018 0.0018 <open>
990 0 0.0017 0.0017 <binascii.unhexlify>
53 0 0.0016 0.0016 mercurial.demandimport:43(__init__)
862 0 0.0015 0.0015 <_codecs.utf_8_decode>
862 0 0.0037 0.0014 <method 'decode' of 'str' objects>
+862 0 0.0023 0.0008 +encodings.utf_8:15(decode)
981 0 0.0011 0.0011 <method 'split' of 'str' objects>
861 0 0.0046 0.0009 mercurial.encoding:61(tolocal)
+861 0 0.0037 0.0014 +<method 'decode' of 'str' objects>
862 0 0.0023 0.0008 encodings.utf_8:15(decode)
+862 0 0.0015 0.0015 +<_codecs.utf_8_decode>
4 0 0.0008 0.0008 <method 'close' of 'file' objects>
179 154 0.0202 0.0004 mercurial.demandimport:83(__getattribute__)
+36 11 0.0199 0.0003 +mercurial.demandimport:55(_load)
+72 0 0.0001 0.0001 +mercurial.demandimport:83(__getattribute__)
+36 0 0.0000 0.0000 +<getattr>
1 0 0.0015 0.0004 mercurial.tags:148(_readtagcache)
Time: real 0.060 secs (user 0.030+0.000 sys 0.010+0.000)
author | Brodie Rao <brodie@sf.io> |
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date | Sun, 13 May 2012 14:04:04 +0200 |
parents | be92ddc636e3 |
children | a455a18bfdac |
rev | line source |
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add --lsprof option. 3x faster than --profile, more useful output.
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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 climit and 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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lsprof: use getattr instead of hasattr
Augie Fackler <durin42@gmail.com>
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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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fix spaces/identation issues
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
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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()) |
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108 stats.sort() |
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109 stats.pprint() |