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