Mercurial > hg
annotate mercurial/lsprof.py @ 2439:e8c4f3d3df8c
extend network protocol to stop clients from locking servers
now all repositories have capabilities slot, tuple with list of names.
if 'unbundle' capability present, repo supports push where client does
not need to lock server. repository classes that have unbundle capability
also have unbundle method.
implemented for ssh now, will be base for push over http.
unbundle protocol acts this way. server tells client what heads it
has during normal negotiate step. client starts unbundle by repeat
server's heads back to it. if server has new heads, abort immediately.
otherwise, transfer changes to server. once data transferred, server
locks and checks heads again. if heads same, changes can be added.
else someone else added heads, and server aborts.
if client wants to force server to add heads, sends special heads list of
'force'.
author | Vadim Gelfer <vadim.gelfer@gmail.com> |
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date | Thu, 15 Jun 2006 16:37:23 -0700 |
parents | 6aa75e77cafe |
children | 976b6b2a1613 |
rev | line source |
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2422
6aa75e77cafe
add --lsprof option. 3x faster than --profile, more useful output.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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1 # this is copied from the lsprof distro because somehow |
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2 # it is not installed by distutils |
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3 # |
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4 # small modifications made |
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5 |
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6 import sys |
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7 from _lsprof import Profiler, profiler_entry, profiler_subentry |
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8 |
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9 __all__ = ['profile', 'Stats'] |
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10 |
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11 def profile(f, *args, **kwds): |
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12 """XXX docstring""" |
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13 p = Profiler() |
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14 p.enable(subcalls=True) |
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15 try: |
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16 ret = f(*args, **kwds) |
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17 finally: |
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18 p.disable() |
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19 return ret, Stats(p.getstats()) |
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20 |
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21 |
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22 class Stats(object): |
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23 """XXX docstring""" |
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24 |
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25 def __init__(self, data): |
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26 self.data = data |
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27 |
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28 def sort(self, crit="inlinetime"): |
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29 """XXX docstring""" |
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30 if crit not in profiler_entry.__dict__: |
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31 raise ValueError, "Can't sort by %s" % crit |
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32 self.data.sort(lambda b, a: cmp(getattr(a, crit), |
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33 getattr(b, crit))) |
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34 for e in self.data: |
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35 if e.calls: |
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36 e.calls.sort(lambda b, a: cmp(getattr(a, crit), |
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37 getattr(b, crit))) |
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38 |
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39 def pprint(self, top=None, file=None, limit=None, climit=None): |
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40 """XXX docstring""" |
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41 if file is None: |
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42 file = sys.stdout |
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43 d = self.data |
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44 if top is not None: |
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45 d = d[:top] |
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46 cols = "% 12s %11.4f %11.4f %s\n" |
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47 hcols = "% 12s %12s %12s %s\n" |
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48 cols2 = "+%12s %11.4f %11.4f + %s\n" |
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49 file.write(hcols % ("CallCount", "Total(s)", |
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50 "Inline(s)", "module:lineno(function)")) |
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51 count = 0 |
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52 for e in d: |
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53 file.write(cols % (e.callcount, e.totaltime, |
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54 e.inlinetime, label(e.code))) |
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55 count += 1 |
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56 if limit is not None and count == limit: |
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57 return |
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58 ccount = 0 |
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59 if e.calls: |
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60 for se in e.calls: |
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61 file.write(cols % ("+%s" % se.callcount, |
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62 se.totaltime, se.inlinetime, |
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63 "+%s" % label(se.code))) |
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64 count += 1 |
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65 ccount += 1 |
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66 if limit is not None and count == limit: |
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67 return |
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68 if climit is not None and ccount == climit: |
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69 break |
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70 |
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71 def freeze(self): |
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72 """Replace all references to code objects with string |
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73 descriptions; this makes it possible to pickle the instance.""" |
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74 |
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75 # this code is probably rather ickier than it needs to be! |
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76 for i in range(len(self.data)): |
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77 e = self.data[i] |
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78 if not isinstance(e.code, str): |
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79 self.data[i] = type(e)((label(e.code),) + e[1:]) |
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80 if e.calls: |
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81 for j in range(len(e.calls)): |
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82 se = e.calls[j] |
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83 if not isinstance(se.code, str): |
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84 e.calls[j] = type(se)((label(se.code),) + se[1:]) |
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85 |
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86 _fn2mod = {} |
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87 |
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88 def label(code): |
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89 if isinstance(code, str): |
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90 return code |
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91 try: |
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92 mname = _fn2mod[code.co_filename] |
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93 except KeyError: |
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94 for k, v in sys.modules.iteritems(): |
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95 if v is None: |
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96 continue |
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97 if not hasattr(v, '__file__'): |
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98 continue |
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99 if not isinstance(v.__file__, str): |
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100 continue |
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101 if v.__file__.startswith(code.co_filename): |
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102 mname = _fn2mod[code.co_filename] = k |
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103 break |
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104 else: |
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105 mname = _fn2mod[code.co_filename] = '<%s>'%code.co_filename |
6aa75e77cafe
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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106 |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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107 return '%s:%d(%s)' % (mname, code.co_firstlineno, code.co_name) |
6aa75e77cafe
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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108 |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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109 |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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110 if __name__ == '__main__': |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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111 import os |
6aa75e77cafe
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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112 sys.argv = sys.argv[1:] |
6aa75e77cafe
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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113 if not sys.argv: |
6aa75e77cafe
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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114 print >> sys.stderr, "usage: lsprof.py <script> <arguments...>" |
6aa75e77cafe
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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115 sys.exit(2) |
6aa75e77cafe
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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116 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:
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117 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:
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118 stats.sort() |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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119 stats.pprint() |