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Edit File: profile.cpython-38.pyc
U >h[ @ sp d Z ddlZddlZddlZdddgZG dd dZdd dZdd dZG d d dZd d Z e dkrle dS )z Class for profiling Python code. NrunrunctxProfilec @ s0 e Zd ZdZdd Zdd Zdd Zdd Zd S ) _UtilszSupport class for utility functions which are shared by profile.py and cProfile.py modules. Not supposed to be used directly. c C s || _ d S N)profiler)selfr r /usr/lib/python3.8/profile.py__init__/ s z_Utils.__init__c C sF | }z(z|| W n tk r, Y nX W 5 | ||| X d S r )r _showr SystemExit)r statementfilenamesortprofr r r r 2 s z _Utils.runc C sJ | }z,z|||| W n tk r0 Y nX W 5 | ||| X d S r )r r r r )r r globalslocalsr r r r r r r ; s z _Utils.runctxc C s" |d k r| | n || d S r ) dump_stats print_stats)r r r r r r r r D s z _Utils._showN)__name__ __module__ __qualname____doc__r r r r r r r r r ) s r c C s t t| ||S )a Run statement under profiler optionally saving results in filename This function takes a single argument that can be passed to the "exec" statement, and an optional file name. In all cases this routine attempts to "exec" its first argument and gather profiling statistics from the execution. If no file name is present, then this function automatically prints a simple profiling report, sorted by the standard name string (file/line/function-name) that is presented in each line. )r r r )r r r r r r r P s c C s t t| ||||S )zRun statement under profiler, supplying your own globals and locals, optionally saving results in filename. statement and filename have the same semantics as profile.run )r r r )r r r r r r r r r ] s c @ s e Zd ZdZdZd5ddZdd Zdd Zd d Zd d Z dd Z dd Z dd Z dd Z e e e e e e dZdd ZG dd dZG dd d Zd d Zd d Zd6d"d#Zd$d% Zd&d' Zd(d) Zd*d+ Zd,d- Zd.d/ Zd0e_d7d1d2Z d3d4 Z dS )8r a Profiler class. self.cur is always a tuple. Each such tuple corresponds to a stack frame that is currently active (self.cur[-2]). The following are the definitions of its members. We use this external "parallel stack" to avoid contaminating the program that we are profiling. (old profiler used to write into the frames local dictionary!!) Derived classes can change the definition of some entries, as long as they leave [-2:] intact (frame and previous tuple). In case an internal error is detected, the -3 element is used as the function name. [ 0] = Time that needs to be charged to the parent frame's function. It is used so that a function call will not have to access the timing data for the parent frame. [ 1] = Total time spent in this frame's function, excluding time in subfunctions (this latter is tallied in cur[2]). [ 2] = Total time spent in subfunctions, excluding time executing the frame's function (this latter is tallied in cur[1]). [-3] = Name of the function that corresponds to this frame. [-2] = Actual frame that we correspond to (used to sync exception handling). [-1] = Our parent 6-tuple (corresponds to frame.f_back). Timing data for each function is stored as a 5-tuple in the dictionary self.timings[]. The index is always the name stored in self.cur[-3]. The following are the definitions of the members: [0] = The number of times this function was called, not counting direct or indirect recursion, [1] = Number of times this function appears on the stack, minus one [2] = Total time spent internal to this function [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 all subfunctions. [4] = A dictionary indicating for each function name, the number of times it was called by us. r Nc C s i | _ d | _d| _d| _|d kr&| j}|| _|sHtj | _| _| j | _ nl|| _| }z t |}W n" t k r || _| j | _ Y n0X |dkr| j | _ n| j| _ |tfdd}|| _| | _| d d S )N c S s || S r r )timersumr r r get_time_timer s z(Profile.__init__.<locals>.get_time_timerr )timingscurcmd c_func_namebiastime process_timer get_timetrace_dispatch_i dispatcherlen TypeErrortrace_dispatchtrace_dispatch_lr t simulate_call)r r r$ r. Zlengthr r r r r s0 zProfile.__init__c C s | j }| }|d |d | j | j }|dkr8|j| _| j| | ||rd| }|d |d | _n | }|d |d | | _d S )Nr c_callr r. r$ r r# dispatch)r frameeventargr r. rr r r r, s zProfile.trace_dispatchc C sT | j }| | j | j }|dkr(|j| _| j| | ||rD| | _n | | | _d S Nr1 r2 r r4 r5 r6 r r. r r r r( s zProfile.trace_dispatch_ic C s` | j }| d | j | j }|dkr,|j| _| j| | ||rL| d | _n| d | | _d S )Ng N@r1 r2 r9 r r r trace_dispatch_mac s zProfile.trace_dispatch_macc C sT | j }| | j | j }|dkr(|j| _| j| | ||rD| | _n | | | _d S r8 )r' r. r$ r r# r3 )r r4 r5 r6 r' r. r r r r- s zProfile.trace_dispatch_lc C sD | j \}}}}}}||k r*|r*| ||S ||| ||||f| _ dS Nr0 )r! trace_dispatch_return) r r4 r. rptritretrfnrframercurr r r trace_dispatch_exception s z Profile.trace_dispatch_exceptionc C s | j r|j| j d k r| j \}}}}}}t|tjs|j|jksXtd|||j||jf| |d | j d ks|j| j d kstd| j d f|j} | j| j | j f} |dd| || j f| _ | j } | | kr| | \} } }}}| | d |||f| | < nddddi f| | < dS )NzBad callr r0 ) r! f_back isinstancer fake_frameAssertionErrorr< f_code co_filenameco_firstlinenoco_namer )r r4 r. r= r> r? r@ rA rB Zfcodefnr ccnsttctcallersr r r trace_dispatch_call s4 zProfile.trace_dispatch_callc C sn dd| j f}|dd||| jf| _| j}||krX|| \}}}}} ||d ||| f||< nddddi f||< dS )Nr r r0 )r# r! r ) r r4 r. rN r rO rP rQ rR rS r r r trace_dispatch_c_call s z Profile.trace_dispatch_c_callc C s || j d k rB|| j d jks0td| j d f| | j d d | j \}}}}}}|| }|| }|\} } } } } }| | | | | | | |f| _ | j}|| \}}}}}|s|| }|d }| |kr|| d || < nd|| < ||d || ||f||< dS )NrD z Bad returnrE r r0 )r! rF rI r< r )r r4 r. r= r> r? r@ rB Z frame_totalZpptZpitZpetZpfnpframeZpcurr rO rP rQ rR rS r r r r< ! s$ "z Profile.trace_dispatch_return)callZ exceptionreturnr1 Z c_exceptionZc_returnc C s" | j d rd S || _| | d S )Nr )r! r" r/ )r r" r r r set_cmdW s zProfile.set_cmdc @ s e Zd Zdd Zdd ZdS )zProfile.fake_codec C s || _ || _|| _d| _d S Nr )rK co_linerM rL )r r linenamer r r r ] s zProfile.fake_code.__init__c C s t | j| j| jfS r )reprrK r[ rM r r r r __repr__c s zProfile.fake_code.__repr__N)r r r r r` r r r r fake_code\ s ra c @ s e Zd Zdd ZdS )zProfile.fake_framec C s || _ || _d S r )rJ rF )r codeZpriorr r r r g s zProfile.fake_frame.__init__N)r r r r r r r r rH f s rH c C sF | dd|}| jr | jd }nd }| ||}| jd | |d d S )NZprofiler rD rW )ra r! rH r3 )r r] rb rV r4 r r r r/ k s zProfile.simulate_callc C sJ | j }| | j }| jd r:| jd | | jd | d}q| | | _d S )Nr rX rD r )r' r. r! r3 )r r' r. r r r simulate_cmd_completew s z Profile.simulate_cmd_completer c C s$ dd l }|| | d S rZ )pstatsZStatsZ strip_dirsZ sort_statsr )r r rd r r r r s zProfile.print_statsc C s0 t |d }| t| j| W 5 Q R X d S )Nwb)open create_statsmarshaldumpstats)r filefr r r r s zProfile.dump_statsc C s | | d S r )rc snapshot_statsr_ r r r rg s zProfile.create_statsc C s^ i | _ | j D ]H\}\}}}}}| }d}| D ] }||7 }q6|||||f| j |< qd S rZ )rj r itemscopyvalues) r funcrO rP rQ rR rS ZncZcallcntr r r rm s zProfile.snapshot_statsc C s dd l }|j}| |||S rZ )__main____dict__r )r r" rr dictr r r r s z Profile.runc C s8 | | t| j zt||| W 5 td X | S r )rY sys setprofiler) exec)r r" r r r r r r s zProfile.runctxc O s t | dkr| ^}}} nV| s&tdnHd|krZ|d}| ^}} dd l}|jdtdd ntdt | d |t| t |j z|| |W S t d X d S ) Nr z:descriptor 'runcall' of 'Profile' object needs an argumentrq r z0Passing 'func' as keyword argument is deprecated) stacklevelz7runcall expected at least 1 positional argument, got %dr0 ) r* r+ popwarningswarnDeprecationWarningrY r^ ru rv r) )argskwr rq rz r r r runcall s( zProfile.runcallz ($self, func, /, *args, **kw)c C s< | j tk rtd| j}d| _z| ||W S || _X d S )Nz&Subclasses must override .calibrate().r ) __class__r r+ r$ _calibrate_inner)r mverboseZ saved_biasr r r calibrate s zProfile.calibratec C s | j }dd }|fdd}|| | }|| | }|| }|rLtd| t } | }| dt t | }|| } |rtd| d} d} | j D ]0\\} }}\}}}}}|d kr| |7 } | |7 } q|rtd | td | | |d krtd | | | d | }|rtd| |S )Nc S s t | D ]}d}qd S r; range)nixr r r f1 s z$Profile._calibrate_inner.<locals>.f1c S s t | D ] }|d qd S )Nd r )r r r r r r rl s z#Profile._calibrate_inner.<locals>.fz elapsed time without profiling =zf(m)z elapsed time with profiling =g )rl r z!'CPU seconds' profiler reported =ztotal # calls =r0 z internal error: total calls = %dg @z+mean stopwatch overhead per profile event =) r' printr r r r r rn ValueError)r r r r' r rl Zt0t1Zelapsed_noprofilepZelapsed_profileZ total_callsZ reported_timer r\ funcnamerO rP rQ rR rS Zmeanr r r r sB zProfile._calibrate_inner)NN)r )r ) r r r r r$ r r, r( r: r- rC rT rU r< r3 rY ra rH r/ rc r r rg rm r r r __text_signature__r r r r r r r f sB & ' ' + c C s dd l } ddlm} d}||d}d|_|jdddd d d |jd d d ddd |jdddddd tjdd s| td | \}}|tjd d < |j d k r| j |j |_ t |dkr|jrdd l}d}|j|d d}nR|d } tj d| j | t| d} t| | d}W 5 Q R X | dd d d }zt||d |j |j W n6 tk r } zd t_t| j W 5 d } ~ X Y nX n| |S ) Nr ) OptionParserzMprofile.py [-o output_file_path] [-s sort] [-m module | scriptfile] [arg] ...)usageFz-oz --outfileoutfilezSave stats to <outfile>)desthelpdefaultz-mmodule store_truezProfile a library module.)r actionr r z-sz--sortr z?Sort order when printing to stdout, based on pstats.Stats classr r0 r z(run_module(modname, run_name='__main__')) run_modulemodnamerbrw rr )__file__r __package__ __cached__)osZoptparser Zallow_interspersed_argsZ add_optionru argvZ print_usageexit parse_argsr pathabspathr* r runpyr insertdirnamerf compilereadr r BrokenPipeErrorstdouterrno) r r r parserZoptionsr} r rb ZglobsZprognamefpexcr r r main8 s^ r rr )Nr )Nr ) r ru r% rh __all__r r r r r r r r r r <module> s ' U9
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