209 lines
9.5 KiB
Python
209 lines
9.5 KiB
Python
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import sys
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import cProfile
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import pstats
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import test.test_support
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#################################
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# Warning!
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# This stuff is touchy. If you modify anything above the test_main function,
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# you'll have to regenerate the stats for the doctest!
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################################
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TICKS = 42000
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def timer():
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return TICKS
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def testfunc():
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# 1 call
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# 1000 ticks total: 270 ticks local, 730 ticks in subfunctions
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global TICKS
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TICKS += 99
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helper() # 300
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helper() # 300
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TICKS += 171
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factorial(14) # 130
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def factorial(n):
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# 23 calls total
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# 170 ticks total, 150 ticks local
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# 3 primitive calls, 130, 20 and 20 ticks total
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# including 116, 17, 17 ticks local
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global TICKS
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if n > 0:
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TICKS += n
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return mul(n, factorial(n-1))
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else:
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TICKS += 11
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return 1
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def mul(a, b):
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# 20 calls
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# 1 tick, local
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global TICKS
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TICKS += 1
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return a * b
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def helper():
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# 2 calls
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# 300 ticks total: 20 ticks local, 260 ticks in subfunctions
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global TICKS
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TICKS += 1
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helper1() # 30
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TICKS += 2
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helper1() # 30
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TICKS += 6
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helper2() # 50
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TICKS += 3
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helper2() # 50
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TICKS += 2
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helper2() # 50
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TICKS += 5
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helper2_indirect() # 70
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TICKS += 1
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def helper1():
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# 4 calls
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# 30 ticks total: 29 ticks local, 1 tick in subfunctions
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global TICKS
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TICKS += 10
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hasattr(C(), "foo") # 1
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TICKS += 19
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lst = []
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lst.append(42) # 0
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sys.exc_info() # 0
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def helper2_indirect():
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helper2() # 50
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factorial(3) # 20
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def helper2():
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# 8 calls
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# 50 ticks local: 39 ticks local, 11 ticks in subfunctions
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global TICKS
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TICKS += 11
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hasattr(C(), "bar") # 1
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TICKS += 13
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subhelper() # 10
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TICKS += 15
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def subhelper():
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# 8 calls
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# 10 ticks total: 8 ticks local, 2 ticks in subfunctions
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global TICKS
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TICKS += 2
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for i in range(2): # 0
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try:
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C().foo # 1 x 2
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except AttributeError:
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TICKS += 3 # 3 x 2
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class C:
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def __getattr__(self, name):
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# 28 calls
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# 1 tick, local
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global TICKS
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TICKS += 1
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raise AttributeError
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def test_main():
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"""
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>>> prof = cProfile.Profile(timer, 0.001)
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>>> prof.runctx("testfunc()", globals(), locals()) #doctest: +ELLIPSIS
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<cProfile.Profile object at ...>
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>>> timer()
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43000
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>>> stats = pstats.Stats(prof)
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>>> stats.strip_dirs().sort_stats("stdname") #doctest: +ELLIPSIS
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<pstats.Stats ...>
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>>> stats.print_stats() #doctest: +ELLIPSIS
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126 function calls (106 primitive calls) in 1.000 CPU seconds
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<BLANKLINE>
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Ordered by: standard name
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<BLANKLINE>
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ncalls tottime percall cumtime percall filename:lineno(function)
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1 0.000 0.000 1.000 1.000 <string>:1(<module>)
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28 0.028 0.001 0.028 0.001 test_cprofile.py:102(__getattr__)
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1 0.270 0.270 1.000 1.000 test_cprofile.py:17(testfunc)
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23/3 0.150 0.007 0.170 0.057 test_cprofile.py:27(factorial)
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20 0.020 0.001 0.020 0.001 test_cprofile.py:40(mul)
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2 0.040 0.020 0.600 0.300 test_cprofile.py:47(helper)
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4 0.116 0.029 0.120 0.030 test_cprofile.py:65(helper1)
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2 0.000 0.000 0.140 0.070 test_cprofile.py:76(helper2_indirect)
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8 0.312 0.039 0.400 0.050 test_cprofile.py:80(helper2)
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8 0.064 0.008 0.080 0.010 test_cprofile.py:90(subhelper)
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12 0.000 0.000 0.012 0.001 {hasattr}
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4 0.000 0.000 0.000 0.000 {method 'append' of 'list' objects}
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1 0.000 0.000 0.000 0.000 {method 'disable' of '_lsprof.Profiler' objects}
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8 0.000 0.000 0.000 0.000 {range}
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4 0.000 0.000 0.000 0.000 {sys.exc_info}
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<BLANKLINE>
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<BLANKLINE>
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<pstats.Stats instance at ...>
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>>> stats.print_callers() #doctest: +ELLIPSIS
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Ordered by: standard name
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<BLANKLINE>
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Function was called by...
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ncalls tottime cumtime
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<string>:1(<module>) <-
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test_cprofile.py:102(__getattr__) <- 16 0.016 0.016 test_cprofile.py:90(subhelper)
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12 0.012 0.012 {hasattr}
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test_cprofile.py:17(testfunc) <- 1 0.270 1.000 <string>:1(<module>)
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test_cprofile.py:27(factorial) <- 1 0.014 0.130 test_cprofile.py:17(testfunc)
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20/3 0.130 0.147 test_cprofile.py:27(factorial)
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2 0.006 0.040 test_cprofile.py:76(helper2_indirect)
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test_cprofile.py:40(mul) <- 20 0.020 0.020 test_cprofile.py:27(factorial)
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test_cprofile.py:47(helper) <- 2 0.040 0.600 test_cprofile.py:17(testfunc)
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test_cprofile.py:65(helper1) <- 4 0.116 0.120 test_cprofile.py:47(helper)
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test_cprofile.py:76(helper2_indirect) <- 2 0.000 0.140 test_cprofile.py:47(helper)
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test_cprofile.py:80(helper2) <- 6 0.234 0.300 test_cprofile.py:47(helper)
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2 0.078 0.100 test_cprofile.py:76(helper2_indirect)
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test_cprofile.py:90(subhelper) <- 8 0.064 0.080 test_cprofile.py:80(helper2)
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{hasattr} <- 4 0.000 0.004 test_cprofile.py:65(helper1)
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8 0.000 0.008 test_cprofile.py:80(helper2)
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{method 'append' of 'list' objects} <- 4 0.000 0.000 test_cprofile.py:65(helper1)
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{method 'disable' of '_lsprof.Profiler' objects} <-
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{range} <- 8 0.000 0.000 test_cprofile.py:90(subhelper)
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{sys.exc_info} <- 4 0.000 0.000 test_cprofile.py:65(helper1)
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<BLANKLINE>
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<BLANKLINE>
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<pstats.Stats instance at ...>
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>>> stats.print_callees() #doctest: +ELLIPSIS
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Ordered by: standard name
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<BLANKLINE>
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Function called...
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ncalls tottime cumtime
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<string>:1(<module>) -> 1 0.270 1.000 test_cprofile.py:17(testfunc)
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test_cprofile.py:102(__getattr__) ->
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test_cprofile.py:17(testfunc) -> 1 0.014 0.130 test_cprofile.py:27(factorial)
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2 0.040 0.600 test_cprofile.py:47(helper)
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test_cprofile.py:27(factorial) -> 20/3 0.130 0.147 test_cprofile.py:27(factorial)
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20 0.020 0.020 test_cprofile.py:40(mul)
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test_cprofile.py:40(mul) ->
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test_cprofile.py:47(helper) -> 4 0.116 0.120 test_cprofile.py:65(helper1)
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2 0.000 0.140 test_cprofile.py:76(helper2_indirect)
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6 0.234 0.300 test_cprofile.py:80(helper2)
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test_cprofile.py:65(helper1) -> 4 0.000 0.004 {hasattr}
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4 0.000 0.000 {method 'append' of 'list' objects}
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4 0.000 0.000 {sys.exc_info}
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test_cprofile.py:76(helper2_indirect) -> 2 0.006 0.040 test_cprofile.py:27(factorial)
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2 0.078 0.100 test_cprofile.py:80(helper2)
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test_cprofile.py:80(helper2) -> 8 0.064 0.080 test_cprofile.py:90(subhelper)
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8 0.000 0.008 {hasattr}
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test_cprofile.py:90(subhelper) -> 16 0.016 0.016 test_cprofile.py:102(__getattr__)
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8 0.000 0.000 {range}
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{hasattr} -> 12 0.012 0.012 test_cprofile.py:102(__getattr__)
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{method 'append' of 'list' objects} ->
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{method 'disable' of '_lsprof.Profiler' objects} ->
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{range} ->
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{sys.exc_info} ->
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<BLANKLINE>
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<BLANKLINE>
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<pstats.Stats instance at ...>
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"""
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from test import test_cprofile
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test.test_support.run_doctest(test_cprofile)
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if __name__ == "__main__":
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test_main()
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