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rä n Xd f d YZ d Z d Z e d k r e n d S( s Class for profiling Python code.iÿÿÿÿN( t OptionParsert runt runctxt helpt Profilec C s] t } y | j | } Wn t k
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r/ n X| d k rL | j | n | j | Sd S( s Run statement under profiler optionally saving results in filename
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This function takes a single argument that can be passed to the
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"exec" statement, and an optional file name. In all cases this
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routine attempts to "exec" its first argument and gather profiling
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statistics from the execution. If no file name is present, then this
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function automatically prints a simple profiling report, sorted by the
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standard name string (file/line/function-name) that is presented in
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each line.
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N( R R t
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SystemExitt Nonet
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dump_statst print_stats( t statementt filenamet sortt prof( ( sO /tmp/ndk-User/buildhost/install/prebuilt/darwin-x86_64/lib/python2.7/profile.pyR 0 s c C sc t } y | j | | | } Wn t k
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r5 n X| d k rR | j | n | j | Sd S( s· Run statement under profiler, supplying your own globals and locals,
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optionally saving results in filename.
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statement and filename have the same semantics as profile.run
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N( R R R R R R ( R t globalst localsR
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R R ( ( sO /tmp/ndk-User/buildhost/install/prebuilt/darwin-x86_64/lib/python2.7/profile.pyR E s c C s d GHd GHd S( Ns2 Documentation for the profile module can be found s? in the Python Library Reference, section 'The Python Profiler'.( ( ( ( sO /tmp/ndk-User/buildhost/install/prebuilt/darwin-x86_64/lib/python2.7/profile.pyR W s t timesc C s | } | d | d S( Ni i ( ( t timert t( ( sO /tmp/ndk-User/buildhost/install/prebuilt/darwin-x86_64/lib/python2.7/profile.pyt _get_time_times\ s i c C s t j t j S( N( t resourcet getrusaget RUSAGE_SELF( ( ( sO /tmp/ndk-User/buildhost/install/prebuilt/darwin-x86_64/lib/python2.7/profile.pyt <lambda>g s c C s | } | d | d S( Ni i ( ( R R ( ( sO /tmp/ndk-User/buildhost/install/prebuilt/darwin-x86_64/lib/python2.7/profile.pyt _get_time_resourceh s i c B s3 e Z d Z d Z d" d" d Z d Z d Z d Z d Z d Z
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d 6e d 6e d 6e d 6e d 6Z d Z d d# d YZ d d$ d YZ d Z d Z d d Z d Z d Z d Z d Z d Z d Z d d Z d! Z RS(% s Profiler class.
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self.cur is always a tuple. Each such tuple corresponds to a stack
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frame that is currently active (self.cur[-2]). The following are the
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definitions of its members. We use this external "parallel stack" to
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avoid contaminating the program that we are profiling. (old profiler
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used to write into the frames local dictionary!!) Derived classes
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can change the definition of some entries, as long as they leave
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[-2:] intact (frame and previous tuple). In case an internal error is
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detected, the -3 element is used as the function name.
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[ 0] = Time that needs to be charged to the parent frame's function.
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It is used so that a function call will not have to access the
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timing data for the parent frame.
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[ 1] = Total time spent in this frame's function, excluding time in
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subfunctions (this latter is tallied in cur[2]).
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[ 2] = Total time spent in subfunctions, excluding time executing the
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frame's function (this latter is tallied in cur[1]).
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[-3] = Name of the function that corresponds to this frame.
|
[-2] = Actual frame that we correspond to (used to sync exception handling).
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[-1] = Our parent 6-tuple (corresponds to frame.f_back).
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|
Timing data for each function is stored as a 5-tuple in the dictionary
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self.timings[]. The index is always the name stored in self.cur[-3].
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The following are the definitions of the members:
|
|
[0] = The number of times this function was called, not counting direct
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or indirect recursion,
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[1] = Number of times this function appears on the stack, minus one
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[2] = Total time spent internal to this function
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[3] = Cumulative time that this function was present on the stack. In
|
non-recursive functions, this is the total execution time from start
|
to finish of each invocation of a function, including time spent in
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all subfunctions.
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[4] = A dictionary indicating for each function name, the number of times
|
it was called by us.
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