Mercurial > hg
annotate mercurial/lsprof.py @ 30439:71b368e3b590
bundle2: equate 'UN' with no compression
An upcoming patch will change the "alg" argument passed to this
function from None to "UN" when no compression is wanted.
The existing implementation of bundle2 does not set a "Compression"
parameter if no compression is used. In theory, setting
"Compression=UN" should work. But I haven't audited the code to see if
all client versions supporting bundle2 will accept this.
Rather than take the risk, avoid the BC breakage and treat "UN"
the same as None.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 10 Nov 2016 23:29:01 -0800 |
parents | b1a59b80e1a3 |
children | d4e5b2653693 |
rev | line source |
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1 from __future__ import absolute_import, print_function |
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2 |
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3 import _lsprof |
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4 import sys |
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5 |
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6 Profiler = _lsprof.Profiler |
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7 |
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8 # PyPy doesn't expose profiler_entry from the module. |
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9 profiler_entry = getattr(_lsprof, 'profiler_entry', None) |
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10 |
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11 __all__ = ['profile', 'Stats'] |
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12 |
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13 def profile(f, *args, **kwds): |
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14 """XXX docstring""" |
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15 p = Profiler() |
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16 p.enable(subcalls=True, builtins=True) |
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17 try: |
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18 f(*args, **kwds) |
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19 finally: |
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20 p.disable() |
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21 return Stats(p.getstats()) |
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22 |
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23 |
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24 class Stats(object): |
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25 """XXX docstring""" |
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26 |
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27 def __init__(self, data): |
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28 self.data = data |
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29 |
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30 def sort(self, crit="inlinetime"): |
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31 """XXX docstring""" |
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32 # profiler_entries isn't defined when running under PyPy. |
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33 if profiler_entry: |
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34 if crit not in profiler_entry.__dict__: |
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35 raise ValueError("Can't sort by %s" % crit) |
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36 elif self.data and not getattr(self.data[0], crit, None): |
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37 raise ValueError("Can't sort by %s" % crit) |
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38 |
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39 self.data.sort(key=lambda x: getattr(x, crit), reverse=True) |
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40 for e in self.data: |
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41 if e.calls: |
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42 e.calls.sort(key=lambda x: getattr(x, crit), reverse=True) |
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43 |
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44 def pprint(self, top=None, file=None, limit=None, climit=None): |
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45 """XXX docstring""" |
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46 if file is None: |
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47 file = sys.stdout |
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48 d = self.data |
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49 if top is not None: |
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50 d = d[:top] |
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51 cols = "% 12s %12s %11.4f %11.4f %s\n" |
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52 hcols = "% 12s %12s %12s %12s %s\n" |
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53 file.write(hcols % ("CallCount", "Recursive", "Total(s)", |
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54 "Inline(s)", "module:lineno(function)")) |
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55 count = 0 |
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56 for e in d: |
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57 file.write(cols % (e.callcount, e.reccallcount, e.totaltime, |
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58 e.inlinetime, label(e.code))) |
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59 count += 1 |
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60 if limit is not None and count == limit: |
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61 return |
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62 ccount = 0 |
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63 if climit and e.calls: |
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64 for se in e.calls: |
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65 file.write(cols % (se.callcount, se.reccallcount, |
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66 se.totaltime, se.inlinetime, |
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67 " %s" % label(se.code))) |
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68 count += 1 |
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69 ccount += 1 |
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70 if limit is not None and count == limit: |
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71 return |
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72 if climit is not None and ccount == climit: |
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73 break |
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74 |
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75 def freeze(self): |
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76 """Replace all references to code objects with string |
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77 descriptions; this makes it possible to pickle the instance.""" |
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78 |
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79 # this code is probably rather ickier than it needs to be! |
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80 for i in range(len(self.data)): |
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81 e = self.data[i] |
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82 if not isinstance(e.code, str): |
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83 self.data[i] = type(e)((label(e.code),) + e[1:]) |
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84 if e.calls: |
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85 for j in range(len(e.calls)): |
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86 se = e.calls[j] |
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87 if not isinstance(se.code, str): |
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88 e.calls[j] = type(se)((label(se.code),) + se[1:]) |
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89 |
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90 _fn2mod = {} |
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91 |
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92 def label(code): |
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93 if isinstance(code, str): |
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94 return code |
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95 try: |
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96 mname = _fn2mod[code.co_filename] |
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97 except KeyError: |
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98 for k, v in list(sys.modules.iteritems()): |
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99 if v is None: |
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100 continue |
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101 if not isinstance(getattr(v, '__file__', None), str): |
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102 continue |
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103 if v.__file__.startswith(code.co_filename): |
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104 mname = _fn2mod[code.co_filename] = k |
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105 break |
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106 else: |
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fix spaces/identation issues
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
9316
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changeset
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107 mname = _fn2mod[code.co_filename] = '<%s>' % code.co_filename |
2422
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 |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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109 return '%s:%d(%s)' % (mname, code.co_firstlineno, code.co_name) |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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110 |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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111 |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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112 if __name__ == '__main__': |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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113 import os |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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114 sys.argv = sys.argv[1:] |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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115 if not sys.argv: |
27617
b1a59b80e1a3
lsprof: use print function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27061
diff
changeset
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116 print("usage: lsprof.py <script> <arguments...>", file=sys.stderr) |
2422
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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117 sys.exit(2) |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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118 sys.path.insert(0, os.path.abspath(os.path.dirname(sys.argv[0]))) |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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119 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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120 stats.sort() |
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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121 stats.pprint() |