Mercurial > cpython-lru_cache-weakref

annotate Lib/profile.py @ 5817:48b94de85bf3 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Extensive changes by AMK.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
parents 73758db2f464
children 10413179a72a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4573
73758db2f464 /usr/local/bin/python -> /usr/bin/env python
Guido van Rossum <guido@python.org>
parents: 4347
diff changeset
1 #! /usr/bin/env python
839
1780eb8fde2b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2 #
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
3 # Class for profiling python code. rev 1.0 6/2/94
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
4 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
5 # Based on prior profile module by Sjoerd Mullender...
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
6 # which was hacked somewhat by: Guido van Rossum
839
1780eb8fde2b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
7 #
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
8 # See profile.doc for more information
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
9
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
10
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
11 # Copyright 1994, by InfoSeek Corporation, all rights reserved.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
12 # Written by James Roskind
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
13 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
14 # Permission to use, copy, modify, and distribute this Python software
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
15 # and its associated documentation for any purpose (subject to the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
16 # restriction in the following sentence) without fee is hereby granted,
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
17 # provided that the above copyright notice appears in all copies, and
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
18 # that both that copyright notice and this permission notice appear in
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
19 # supporting documentation, and that the name of InfoSeek not be used in
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
20 # advertising or publicity pertaining to distribution of the software
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
21 # without specific, written prior permission. This permission is
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
22 # explicitly restricted to the copying and modification of the software
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
23 # to remain in Python, compiled Python, or other languages (such as C)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
24 # wherein the modified or derived code is exclusively imported into a
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
25 # Python module.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
26 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
27 # INFOSEEK CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
28 # SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
29 # FITNESS. IN NO EVENT SHALL INFOSEEK CORPORATION BE LIABLE FOR ANY
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
30 # SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
31 # RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
32 # CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
33 # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
34
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
35
839
1780eb8fde2b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
36
1780eb8fde2b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
37 import sys
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
38 import os
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
39 import time
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
40 import string
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
41 import marshal
839
1780eb8fde2b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
42
1780eb8fde2b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
43
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
44 # Global variables
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
45 func_norm_dict = {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
46 func_norm_counter = 0
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
47 if hasattr(os, 'getpid'):
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
48 pid_string = `os.getpid()`
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
49 else:
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
50 pid_string = ''
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
51
839
1780eb8fde2b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
52
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
53 # Sample timer for use with
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
54 #i_count = 0
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
55 #def integer_timer():
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
56 # global i_count
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
57 # i_count = i_count + 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
58 # return i_count
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
59 #itimes = integer_timer # replace with C coded timer returning integers
839
1780eb8fde2b Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
60
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
61 #**************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
62 # The following are the static member functions for the profiler class
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
63 # Note that an instance of Profile() is *not* needed to call them.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
64 #**************************************************************************
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
65
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
66
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
67 # simplified user interface
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
68 def run(statement, *args):
1435
560ec7030817 * Mass change: get rid of all init() methods, in favor of __init__()
Guido van Rossum <guido@python.org>
parents: 1357
diff changeset
69 prof = Profile()
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
70 try:
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
71 prof = prof.run(statement)
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
72 except SystemExit:
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
73 pass
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
74 if args:
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 839
diff changeset
75 prof.dump_stats(args[0])
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
76 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
77 return prof.print_stats()
1357
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
78
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
79 # print help
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
80 def help():
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
81 for dirname in sys.path:
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
82 fullname = os.path.join(dirname, 'profile.doc')
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
83 if os.path.exists(fullname):
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
84 sts = os.system('${PAGER-more} '+fullname)
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
85 if sts: print '*** Pager exit status:', sts
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
86 break
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
87 else:
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
88 print 'Sorry, can\'t find the help file "profile.doc"',
2fac209e1c3f * profile.py, pdb.py: added help() function
Guido van Rossum <guido@python.org>
parents: 1335
diff changeset
89 print 'along the Python search path'
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
90
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
91
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
92 #**************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
93 # class Profile documentation:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
94 #**************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
95 # self.cur is always a tuple. Each such tuple corresponds to a stack
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
96 # frame that is currently active (self.cur[-2]). The following are the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
97 # definitions of its members. We use this external "parallel stack" to
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
98 # avoid contaminating the program that we are profiling. (old profiler
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
99 # used to write into the frames local dictionary!!) Derived classes
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
100 # can change the definition of some entries, as long as they leave
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
101 # [-2:] intact.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
102 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
103 # [ 0] = Time that needs to be charged to the parent frame's function. It is
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
104 # used so that a function call will not have to access the timing data
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
105 # for the parents frame.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
106 # [ 1] = Total time spent in this frame's function, excluding time in
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
107 # subfunctions
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
108 # [ 2] = Cumulative time spent in this frame's function, including time in
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
109 # all subfunctions to this frame.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
110 # [-3] = Name of the function that corresonds to this frame.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
111 # [-2] = Actual frame that we correspond to (used to sync exception handling)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
112 # [-1] = Our parent 6-tuple (corresonds to frame.f_back)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
113 #**************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
114 # Timing data for each function is stored as a 5-tuple in the dictionary
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
115 # self.timings[]. The index is always the name stored in self.cur[4].
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
116 # The following are the definitions of the members:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
117 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
118 # [0] = The number of times this function was called, not counting direct
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
119 # or indirect recursion,
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
120 # [1] = Number of times this function appears on the stack, minus one
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
121 # [2] = Total time spent internal to this function
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
122 # [3] = Cumulative time that this function was present on the stack. In
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
123 # non-recursive functions, this is the total execution time from start
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
124 # to finish of each invocation of a function, including time spent in
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
125 # all subfunctions.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
126 # [5] = A dictionary indicating for each function name, the number of times
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
127 # it was called by us.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
128 #**************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
129 # We produce function names via a repr() call on the f_code object during
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
130 # profiling. This save a *lot* of CPU time. This results in a string that
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
131 # always looks like:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
132 # <code object main at 87090, file "/a/lib/python-local/myfib.py", line 76>
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
133 # After we "normalize it, it is a tuple of filename, line, function-name.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
134 # We wait till we are done profiling to do the normalization.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
135 # *IF* this repr format changes, then only the normalization routine should
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
136 # need to be fixed.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
137 #**************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
138 class Profile:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
139
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
140 def __init__(self, timer=None):
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
141 self.timings = {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
142 self.cur = None
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
143 self.cmd = ""
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
144
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
145 self.dispatch = { \
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
146 'call' : self.trace_dispatch_call, \
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
147 'return' : self.trace_dispatch_return, \
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
148 'exception': self.trace_dispatch_exception, \
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
149 }
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
150
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
151 if not timer:
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
152 if hasattr(os, 'times'):
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
153 self.timer = os.times
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
154 self.dispatcher = self.trace_dispatch
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
155 else:
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
156 self.timer = time.time
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
157 self.dispatcher = self.trace_dispatch_i
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
158 else:
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
159 self.timer = timer
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
160 t = self.timer() # test out timer function
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
161 try:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
162 if len(t) == 2:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
163 self.dispatcher = self.trace_dispatch
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
164 else:
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
165 self.dispatcher = self.trace_dispatch_l
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
166 except TypeError:
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
167 self.dispatcher = self.trace_dispatch_i
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
168 self.t = self.get_time()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
169 self.simulate_call('profiler')
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
170
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
171
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
172 def get_time(self): # slow simulation of method to acquire time
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
173 t = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
174 if type(t) == type(()) or type(t) == type([]):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
175 t = reduce(lambda x,y: x+y, t, 0)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
176 return t
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
177
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
178
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
179 # Heavily optimized dispatch routine for os.times() timer
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
180
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
181 def trace_dispatch(self, frame, event, arg):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
182 t = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
183 t = t[0] + t[1] - self.t # No Calibration constant
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
184 # t = t[0] + t[1] - self.t - .00053 # Calibration constant
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
185
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
186 if self.dispatch[event](frame,t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
187 t = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
188 self.t = t[0] + t[1]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
189 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
190 r = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
191 self.t = r[0] + r[1] - t # put back unrecorded delta
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
192 return
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
193
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
194
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
195
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
196 # Dispatch routine for best timer program (return = scalar integer)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
197
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
198 def trace_dispatch_i(self, frame, event, arg):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
199 t = self.timer() - self.t # - 1 # Integer calibration constant
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
200 if self.dispatch[event](frame,t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
201 self.t = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
202 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
203 self.t = self.timer() - t # put back unrecorded delta
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
204 return
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
205
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
206
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
207 # SLOW generic dispatch rountine for timer returning lists of numbers
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
208
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
209 def trace_dispatch_l(self, frame, event, arg):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
210 t = self.get_time() - self.t
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
211
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
212 if self.dispatch[event](frame,t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
213 self.t = self.get_time()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
214 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
215 self.t = self.get_time()-t # put back unrecorded delta
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
216 return
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
217
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
218
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
219 def trace_dispatch_exception(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
220 rt, rtt, rct, rfn, rframe, rcur = self.cur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
221 if (not rframe is frame) and rcur:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
222 return self.trace_dispatch_return(rframe, t)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
223 return 0
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
224
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
225
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
226 def trace_dispatch_call(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
227 fn = `frame.f_code`
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
228
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
229 # The following should be about the best approach, but
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
230 # we would need a function that maps from id() back to
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
231 # the actual code object.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
232 # fn = id(frame.f_code)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
233 # Note we would really use our own function, which would
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
234 # return the code address, *and* bump the ref count. We
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
235 # would then fix up the normalize function to do the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
236 # actualy repr(fn) call.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
237
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
238 # The following is an interesting alternative
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
239 # It doesn't do as good a job, and it doesn't run as
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
240 # fast 'cause repr() is written in C, and this is Python.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
241 #fcode = frame.f_code
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
242 #code = fcode.co_code
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
243 #if ord(code[0]) == 127: # == SET_LINENO
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
244 # # see "opcode.h" in the Python source
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
245 # fn = (fcode.co_filename, ord(code[1]) | \
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
246 # ord(code[2]) << 8, fcode.co_name)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
247 #else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
248 # fn = (fcode.co_filename, 0, fcode.co_name)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
249
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
250 self.cur = (t, 0, 0, fn, frame, self.cur)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
251 if self.timings.has_key(fn):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
252 cc, ns, tt, ct, callers = self.timings[fn]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
253 self.timings[fn] = cc, ns + 1, tt, ct, callers
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
254 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
255 self.timings[fn] = 0, 0, 0, 0, {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
256 return 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
257
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
258 def trace_dispatch_return(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
259 # if not frame is self.cur[-2]: raise "Bad return", self.cur[3]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
260
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
261 # Prefix "r" means part of the Returning or exiting frame
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
262 # Prefix "p" means part of the Previous or older frame
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
263
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
264 rt, rtt, rct, rfn, frame, rcur = self.cur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
265 rtt = rtt + t
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
266 sft = rtt + rct
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
267
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
268 pt, ptt, pct, pfn, pframe, pcur = rcur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
269 self.cur = pt, ptt+rt, pct+sft, pfn, pframe, pcur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
270
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
271 cc, ns, tt, ct, callers = self.timings[rfn]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
272 if not ns:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
273 ct = ct + sft
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
274 cc = cc + 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
275 if callers.has_key(pfn):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
276 callers[pfn] = callers[pfn] + 1 # hack: gather more
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
277 # stats such as the amount of time added to ct courtesy
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
278 # of this specific call, and the contribution to cc
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
279 # courtesy of this call.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
280 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
281 callers[pfn] = 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
282 self.timings[rfn] = cc, ns - 1, tt+rtt, ct, callers
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
283
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
284 return 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
285
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
286 # The next few function play with self.cmd. By carefully preloading
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
287 # our paralell stack, we can force the profiled result to include
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
288 # an arbitrary string as the name of the calling function.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
289 # We use self.cmd as that string, and the resulting stats look
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
290 # very nice :-).
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
291
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
292 def set_cmd(self, cmd):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
293 if self.cur[-1]: return # already set
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
294 self.cmd = cmd
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
295 self.simulate_call(cmd)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
296
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
297 class fake_code:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
298 def __init__(self, filename, line, name):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
299 self.co_filename = filename
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
300 self.co_line = line
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
301 self.co_name = name
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
302 self.co_code = '\0' # anything but 127
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
303
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
304 def __repr__(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
305 return (self.co_filename, self.co_line, self.co_name)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
306
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
307 class fake_frame:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
308 def __init__(self, code, prior):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
309 self.f_code = code
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
310 self.f_back = prior
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
311
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
312 def simulate_call(self, name):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
313 code = self.fake_code('profile', 0, name)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
314 if self.cur:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
315 pframe = self.cur[-2]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
316 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
317 pframe = None
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
318 frame = self.fake_frame(code, pframe)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
319 a = self.dispatch['call'](frame, 0)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
320 return
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
321
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
322 # collect stats from pending stack, including getting final
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
323 # timings for self.cmd frame.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
324
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
325 def simulate_cmd_complete(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
326 t = self.get_time() - self.t
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
327 while self.cur[-1]:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
328 # We *can* cause assertion errors here if
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
329 # dispatch_trace_return checks for a frame match!
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
330 a = self.dispatch['return'](self.cur[-2], t)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
331 t = 0
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
332 self.t = self.get_time() - t
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
333
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
334
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
335 def print_stats(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
336 import pstats
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
337 pstats.Stats(self).strip_dirs().sort_stats(-1). \
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
338 print_stats()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
339
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
340 def dump_stats(self, file):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
341 f = open(file, 'w')
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
342 self.create_stats()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
343 marshal.dump(self.stats, f)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
344 f.close()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
345
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
346 def create_stats(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
347 self.simulate_cmd_complete()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
348 self.snapshot_stats()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
349
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
350 def snapshot_stats(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
351 self.stats = {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
352 for func in self.timings.keys():
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
353 cc, ns, tt, ct, callers = self.timings[func]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
354 nor_func = self.func_normalize(func)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
355 nor_callers = {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
356 nc = 0
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
357 for func_caller in callers.keys():
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
358 nor_callers[self.func_normalize(func_caller)]=\
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
359 callers[func_caller]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
360 nc = nc + callers[func_caller]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
361 self.stats[nor_func] = cc, nc, tt, ct, nor_callers
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
362
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
363
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
364 # Override the following function if you can figure out
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
365 # a better name for the binary f_code entries. I just normalize
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
366 # them sequentially in a dictionary. It would be nice if we could
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
367 # *really* see the name of the underlying C code :-). Sometimes
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
368 # you can figure out what-is-what by looking at caller and callee
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
369 # lists (and knowing what your python code does).
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
370
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
371 def func_normalize(self, func_name):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
372 global func_norm_dict
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
373 global func_norm_counter
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
374 global func_sequence_num
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
375
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
376 if func_norm_dict.has_key(func_name):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
377 return func_norm_dict[func_name]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
378 if type(func_name) == type(""):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
379 long_name = string.split(func_name)
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
380 file_name = long_name[-3][1:-2]
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
381 func = long_name[2]
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
382 lineno = long_name[-1][:-1]
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
383 if '?' == func: # Until I find out how to may 'em...
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
384 file_name = 'python'
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
385 func_norm_counter = func_norm_counter + 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
386 func = pid_string + ".C." + `func_norm_counter`
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
387 result = file_name , string.atoi(lineno) , func
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
388 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
389 result = func_name
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
390 func_norm_dict[func_name] = result
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
391 return result
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
392
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
393
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
394 # The following two methods can be called by clients to use
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
395 # a profiler to profile a statement, given as a string.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
396
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
397 def run(self, cmd):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
398 import __main__
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
399 dict = __main__.__dict__
3634
3abcf725c5f4 change return values of simple run* functions
Guido van Rossum <guido@python.org>
parents: 3128
diff changeset
400 return self.runctx(cmd, dict, dict)
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
401
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
402 def runctx(self, cmd, globals, locals):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
403 self.set_cmd(cmd)
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
404 sys.setprofile(self.dispatcher)
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
405 try:
2963
023527342599 exec() -> exec
Guido van Rossum <guido@python.org>
parents: 2775
diff changeset
406 exec cmd in globals, locals
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
407 finally:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
408 sys.setprofile(None)
3634
3abcf725c5f4 change return values of simple run* functions
Guido van Rossum <guido@python.org>
parents: 3128
diff changeset
409 return self
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
410
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
411 # This method is more useful to profile a single function call.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
412 def runcall(self, func, *args):
2775
fd777af67c23 functions don't have a __name__ attribute
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
413 self.set_cmd(`func`)
3128
27a0769db921 more robust coding, adapted for mac
Guido van Rossum <guido@python.org>
parents: 2963
diff changeset
414 sys.setprofile(self.dispatcher)
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
415 try:
3634
3abcf725c5f4 change return values of simple run* functions
Guido van Rossum <guido@python.org>
parents: 3128
diff changeset
416 return apply(func, args)
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
417 finally:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
418 sys.setprofile(None)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
419
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
420
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
421 #******************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
422 # The following calculates the overhead for using a profiler. The
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
423 # problem is that it takes a fair amount of time for the profiler
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
424 # to stop the stopwatch (from the time it recieves an event).
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
425 # Similarly, there is a delay from the time that the profiler
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
426 # re-starts the stopwatch before the user's code really gets to
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
427 # continue. The following code tries to measure the difference on
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
428 # a per-event basis. The result can the be placed in the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
429 # Profile.dispatch_event() routine for the given platform. Note
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
430 # that this difference is only significant if there are a lot of
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
431 # events, and relatively little user code per event. For example,
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
432 # code with small functions will typically benefit from having the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
433 # profiler calibrated for the current platform. This *could* be
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
434 # done on the fly during init() time, but it is not worth the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
435 # effort. Also note that if too large a value specified, then
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
436 # execution time on some functions will actually appear as a
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
437 # negative number. It is *normal* for some functions (with very
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
438 # low call counts) to have such negative stats, even if the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
439 # calibration figure is "correct."
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
440 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
441 # One alternative to profile-time calibration adjustments (i.e.,
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
442 # adding in the magic little delta during each event) is to track
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
443 # more carefully the number of events (and cumulatively, the number
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
444 # of events during sub functions) that are seen. If this were
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
445 # done, then the arithmetic could be done after the fact (i.e., at
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
446 # display time). Currintly, we track only call/return events.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
447 # These values can be deduced by examining the callees and callers
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
448 # vectors for each functions. Hence we *can* almost correct the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
449 # internal time figure at print time (note that we currently don't
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
450 # track exception event processing counts). Unfortunately, there
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
451 # is currently no similar information for cumulative sub-function
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
452 # time. It would not be hard to "get all this info" at profiler
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
453 # time. Specifically, we would have to extend the tuples to keep
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
454 # counts of this in each frame, and then extend the defs of timing
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
455 # tuples to include the significant two figures. I'm a bit fearful
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
456 # that this additional feature will slow the heavily optimized
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
457 # event/time ratio (i.e., the profiler would run slower, fur a very
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
458 # low "value added" feature.)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
459 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
460 # Plugging in the calibration constant doesn't slow down the
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
461 # profiler very much, and the accuracy goes way up.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
462 #**************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
463
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
464 def calibrate(self, m):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
465 n = m
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
466 s = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
467 while n:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
468 self.simple()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
469 n = n - 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
470 f = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
471 my_simple = f[0]+f[1]-s[0]-s[1]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
472 #print "Simple =", my_simple,
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
473
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
474 n = m
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
475 s = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
476 while n:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
477 self.instrumented()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
478 n = n - 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
479 f = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
480 my_inst = f[0]+f[1]-s[0]-s[1]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
481 # print "Instrumented =", my_inst
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
482 avg_cost = (my_inst - my_simple)/m
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
483 #print "Delta/call =", avg_cost, "(profiler fixup constant)"
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
484 return avg_cost
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
485
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
486 # simulate a program with no profiler activity
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
487 def simple(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
488 a = 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
489 pass
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
490
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
491 # simulate a program with call/return event processing
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
492 def instrumented(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
493 a = 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
494 self.profiler_simulation(a, a, a)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
495
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
496 # simulate an event processing activity (from user's perspective)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
497 def profiler_simulation(self, x, y, z):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
498 t = self.timer()
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
499 t = t[0] + t[1]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
500 self.ut = t
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
501
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
502
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
503
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
504 #****************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
505 # OldProfile class documentation
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
506 #****************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
507 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
508 # The following derived profiler simulates the old style profile, providing
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
509 # errant results on recursive functions. The reason for the usefulnes of this
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
510 # profiler is that it runs faster (i.e., less overhead). It still creates
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
511 # all the caller stats, and is quite useful when there is *no* recursion
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
512 # in the user's code.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
513 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
514 # This code also shows how easy it is to create a modified profiler.
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
515 #****************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
516 class OldProfile(Profile):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
517 def trace_dispatch_exception(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
518 rt, rtt, rct, rfn, rframe, rcur = self.cur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
519 if rcur and not rframe is frame:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
520 return self.trace_dispatch_return(rframe, t)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
521 return 0
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
522
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
523 def trace_dispatch_call(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
524 fn = `frame.f_code`
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
525
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
526 self.cur = (t, 0, 0, fn, frame, self.cur)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
527 if self.timings.has_key(fn):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
528 tt, ct, callers = self.timings[fn]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
529 self.timings[fn] = tt, ct, callers
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
530 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
531 self.timings[fn] = 0, 0, {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
532 return 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
533
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
534 def trace_dispatch_return(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
535 rt, rtt, rct, rfn, frame, rcur = self.cur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
536 rtt = rtt + t
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
537 sft = rtt + rct
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
538
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
539 pt, ptt, pct, pfn, pframe, pcur = rcur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
540 self.cur = pt, ptt+rt, pct+sft, pfn, pframe, pcur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
541
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
542 tt, ct, callers = self.timings[rfn]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
543 if callers.has_key(pfn):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
544 callers[pfn] = callers[pfn] + 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
545 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
546 callers[pfn] = 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
547 self.timings[rfn] = tt+rtt, ct + sft, callers
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
548
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
549 return 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
550
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
551
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
552 def snapshot_stats(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
553 self.stats = {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
554 for func in self.timings.keys():
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
555 tt, ct, callers = self.timings[func]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
556 nor_func = self.func_normalize(func)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
557 nor_callers = {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
558 nc = 0
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
559 for func_caller in callers.keys():
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
560 nor_callers[self.func_normalize(func_caller)]=\
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
561 callers[func_caller]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
562 nc = nc + callers[func_caller]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
563 self.stats[nor_func] = nc, nc, tt, ct, nor_callers
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
564
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
565
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
566
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
567 #****************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
568 # HotProfile class documentation
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
569 #****************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
570 #
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
571 # This profiler is the fastest derived profile example. It does not
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
572 # calculate caller-callee relationships, and does not calculate cumulative
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
573 # time under a function. It only calculates time spent in a function, so
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
574 # it runs very quickly (re: very low overhead)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
575 #****************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
576 class HotProfile(Profile):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
577 def trace_dispatch_exception(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
578 rt, rtt, rfn, rframe, rcur = self.cur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
579 if rcur and not rframe is frame:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
580 return self.trace_dispatch_return(rframe, t)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
581 return 0
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
582
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
583 def trace_dispatch_call(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
584 self.cur = (t, 0, frame, self.cur)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
585 return 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
586
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
587 def trace_dispatch_return(self, frame, t):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
588 rt, rtt, frame, rcur = self.cur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
589
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
590 rfn = `frame.f_code`
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
591
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
592 pt, ptt, pframe, pcur = rcur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
593 self.cur = pt, ptt+rt, pframe, pcur
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
594
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
595 if self.timings.has_key(rfn):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
596 nc, tt = self.timings[rfn]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
597 self.timings[rfn] = nc + 1, rt + rtt + tt
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
598 else:
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
599 self.timings[rfn] = 1, rt + rtt
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
600
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
601 return 1
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
602
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
603
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
604 def snapshot_stats(self):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
605 self.stats = {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
606 for func in self.timings.keys():
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
607 nc, tt = self.timings[func]
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
608 nor_func = self.func_normalize(func)
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
609 self.stats[nor_func] = nc, nc, tt, 0, {}
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
610
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
611
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
612
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
613 #****************************************************************************
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
614 def Stats(*args):
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
615 print 'Report generating functions are in the "pstats" module\a'
4347
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
616
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
617
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
618 # When invoked as main program, invoke the profiler on a script
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
619 if __name__ == '__main__':
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
620 import sys
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
621 import os
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
622 if not sys.argv[1:]:
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
623 print "usage: profile.py scriptfile [arg] ..."
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
624 sys.exit(2)
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
625
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
626 filename = sys.argv[1] # Get script filename
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
627
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
628 del sys.argv[0] # Hide "profile.py" from argument list
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
629
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
630 # Insert script directory in front of module search path
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
631 sys.path.insert(0, os.path.dirname(filename))
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
632
a5c29accc438 Add main program similar to pdb.
Guido van Rossum <guido@python.org>
parents: 3634
diff changeset
633 run('execfile(' + `filename` + ')')