mirror of
https://github.com/python/cpython.git
synced 2024-12-12 19:33:52 +08:00
7bc817d5ba
constructors. There is no backward compatibility. Not everything has
been tested.
* aiff.{py,doc}: deleted in favor of aifc.py (which contains its docs as
comments)
390 lines
9.9 KiB
Python
Executable File
390 lines
9.9 KiB
Python
Executable File
#
|
|
# Class for profiling python code.
|
|
# Author: Sjoerd Mullender
|
|
# Hacked somewhat by: Guido van Rossum
|
|
#
|
|
# See the accompanying document profile.doc for more information.
|
|
|
|
import sys
|
|
import codehack
|
|
import os
|
|
import string
|
|
import fpformat
|
|
import marshal
|
|
|
|
class Profile:
|
|
|
|
def __init__(self):
|
|
self.timings = {}
|
|
self.debug = None
|
|
self.call_level = 0
|
|
self.profile_func = None
|
|
self.profiling = 0
|
|
|
|
def profile(self, funcname):
|
|
if not self.profile_func:
|
|
self.profile_func = {}
|
|
self.profile_func[funcname] = 1
|
|
|
|
def trace_dispatch(self, frame, event, arg):
|
|
if event == 'call':
|
|
funcname = codehack.getcodename(frame.f_code)
|
|
if self.profile_func and not self.profiling:
|
|
if self.profile_func.has_key(funcname):
|
|
return
|
|
self.profiling = 1
|
|
t = os.times()
|
|
t = t[0] + t[1]
|
|
if frame.f_locals.has_key('__key'):
|
|
key = frame.f_locals['__key']
|
|
else:
|
|
lineno = codehack.getlineno(frame.f_code)
|
|
filename = frame.f_code.co_filename
|
|
key = filename + ':' + `lineno` + '(' + funcname + ')'
|
|
frame.f_locals['__key'] = key
|
|
self.call_level = depth(frame)
|
|
self.cur_frame = frame
|
|
pframe = frame.f_back
|
|
if self.debug:
|
|
s0 = 'call: ' + key + ' depth: ' + `self.call_level` + ' time: ' + `t`
|
|
if pframe:
|
|
if pframe.f_locals.has_key('__key'):
|
|
pkey = pframe.f_locals['__key']
|
|
else:
|
|
pkey = pframe.f_code.co_filename + \
|
|
':' + \
|
|
`codehack.getlineno(pframe.f_code)` \
|
|
+ '(' + \
|
|
codehack.getcodename(pframe.f_code) \
|
|
+ ')'
|
|
pframe.f_locals['__key'] = pkey
|
|
if self.debug:
|
|
s1 = 'parent: ' + pkey
|
|
if pframe.f_locals.has_key('__start_time'):
|
|
st = pframe.f_locals['__start_time']
|
|
nc, tt, ct, callers, callees = \
|
|
self.timings[pkey]
|
|
if self.debug:
|
|
s1 = s1+' before: st='+`st`+' nc='+`nc`+' tt='+`tt`+' ct='+`ct`
|
|
if callers.has_key(key):
|
|
callers[key] = callers[key] + 1
|
|
else:
|
|
callers[key] = 1
|
|
if self.debug:
|
|
s1 = s1+' after: st='+`st`+' nc='+`nc`+' tt='+`tt+(t-st)`+' ct='+`ct`
|
|
self.timings[pkey] = nc, tt + (t - st), ct, callers, callees
|
|
if self.timings.has_key(key):
|
|
nc, tt, ct, callers, callees = self.timings[key]
|
|
else:
|
|
nc, tt, ct, callers, callees = 0, 0, 0, {}, {}
|
|
if self.debug:
|
|
s0 = s0+' before: nc='+`nc`+' tt='+`tt`+' ct='+`ct`
|
|
s0 = s0+' after: nc='+`nc+1`+' tt='+`tt`+' ct='+`ct`
|
|
if pframe:
|
|
if callees.has_key(pkey):
|
|
callees[pkey] = callees[pkey] + 1
|
|
else:
|
|
callees[pkey] = 1
|
|
self.timings[key] = nc + 1, tt, ct, callers, callees
|
|
frame.f_locals['__start_time'] = t
|
|
if self.debug:
|
|
print s0
|
|
print s1
|
|
return
|
|
if event == 'return':
|
|
if self.profile_func:
|
|
if not self.profiling:
|
|
return
|
|
if self.profile_func.has_key( \
|
|
codehack.getcodename(frame.f_code)):
|
|
self.profiling = 0
|
|
self.call_level = depth(frame)
|
|
self.cur_frame = frame
|
|
pframe = frame.f_back
|
|
if self.debug:
|
|
s0 = 'return: '
|
|
else:
|
|
s0 = None
|
|
self.handle_return(pframe, frame, s0)
|
|
return
|
|
if event == 'exception':
|
|
if self.profile_func and not self.profiling:
|
|
return
|
|
call_level = depth(frame)
|
|
if call_level < self.call_level:
|
|
if call_level <> self.call_level - 1:
|
|
print 'heh!',call_level,self.call_level
|
|
if self.debug:
|
|
s0 = 'exception: '
|
|
else:
|
|
s0 = None
|
|
self.handle_return(self.cur_frame, frame, s0)
|
|
self.call_level = call_level
|
|
self.cur_frame = frame
|
|
return
|
|
print 'profile.Profile.dispatch: unknown debugging event:',
|
|
print `event`
|
|
return
|
|
|
|
def handle_return(self, pframe, frame, s0):
|
|
t = os.times()
|
|
t = t[0] + t[1]
|
|
if frame.f_locals.has_key('__key'):
|
|
key = frame.f_locals['__key']
|
|
else:
|
|
funcname = codehack.getcodename(frame.f_code)
|
|
lineno = codehack.getlineno(frame.f_code)
|
|
filename = frame.f_code.co_filename
|
|
key = filename + ':' + `lineno` + '(' + funcname + ')'
|
|
frame.f_locals['__key'] = key
|
|
if self.debug:
|
|
s0 = s0 + key + ' depth: ' + `self.call_level` + ' time: ' + `t`
|
|
if pframe:
|
|
if pframe.f_locals.has_key('__key'):
|
|
pkey = pframe.f_locals['__key']
|
|
else:
|
|
funcname = codehack.getcodename(frame.f_code)
|
|
lineno = codehack.getlineno(frame.f_code)
|
|
filename = frame.f_code.co_filename
|
|
pkey = filename + ':' + `lineno` + '(' + funcname + ')'
|
|
pframe.f_locals['__key'] = pkey
|
|
if self.debug:
|
|
s1 = 'parent: '+pkey
|
|
if pframe.f_locals.has_key('__start_time') and \
|
|
self.timings.has_key(pkey):
|
|
st = pframe.f_locals['__start_time']
|
|
nc, tt, ct, callers, callees = \
|
|
self.timings[pkey]
|
|
if self.debug:
|
|
s1 = s1+' before: st='+`st`+' nc='+`nc`+' tt='+`tt`+' ct='+`ct`
|
|
s1 = s1+' after: st='+`t`+' nc='+`nc`+' tt='+`tt`+' ct='+`ct+(t-st)`
|
|
self.timings[pkey] = \
|
|
nc, tt, ct + (t - st), callers, callees
|
|
pframe.f_locals['__start_time'] = t
|
|
if self.timings.has_key(key):
|
|
nc, tt, ct, callers, callees = self.timings[key]
|
|
else:
|
|
nc, tt, ct, callers, callees = 0, 0, 0, {}, {}
|
|
if frame.f_locals.has_key('__start_time'):
|
|
st = frame.f_locals['__start_time']
|
|
else:
|
|
st = t
|
|
if self.debug:
|
|
s0 = s0+' before: st='+`st`+' nc='+`nc`+' tt='+`tt`+' ct='+`ct`
|
|
s0 = s0+' after: nc='+`nc`+' tt='+`tt+(t-st)`+' ct='+`ct+(t-st)`
|
|
print s0
|
|
print s1
|
|
self.timings[key] = \
|
|
nc, tt + (t - st), ct + (t - st), callers, callees
|
|
|
|
def print_stats(self):
|
|
# Print in reverse order by ct
|
|
print_title()
|
|
list = []
|
|
for key in self.timings.keys():
|
|
nc, tt, ct, callers, callees = self.timings[key]
|
|
if nc == 0:
|
|
continue
|
|
list.append(ct, tt, nc, key)
|
|
list.sort()
|
|
list.reverse()
|
|
for ct, tt, nc, key in list:
|
|
print_line(nc, tt, ct, os.path.basename(key))
|
|
|
|
def dump_stats(self, file):
|
|
f = open(file, 'w')
|
|
marshal.dump(self.timings, f)
|
|
f.close()
|
|
|
|
# The following two methods can be called by clients to use
|
|
# a profiler to profile a statement, given as a string.
|
|
|
|
def run(self, cmd):
|
|
import __main__
|
|
dict = __main__.__dict__
|
|
self.runctx(cmd, dict, dict)
|
|
|
|
def runctx(self, cmd, globals, locals):
|
|
sys.setprofile(self.trace_dispatch)
|
|
try:
|
|
exec(cmd + '\n', globals, locals)
|
|
finally:
|
|
sys.setprofile(None)
|
|
|
|
# This method is more useful to profile a single function call.
|
|
|
|
def runcall(self, func, *args):
|
|
sys.setprofile(self.trace_dispatch)
|
|
try:
|
|
apply(func, args)
|
|
finally:
|
|
sys.setprofile(None)
|
|
|
|
|
|
def depth(frame):
|
|
d = 0
|
|
while frame:
|
|
d = d + 1
|
|
frame = frame.f_back
|
|
return d
|
|
|
|
class Stats:
|
|
def __init__(self, file):
|
|
f = open(file, 'r')
|
|
self.stats = marshal.load(f)
|
|
f.close()
|
|
self.stats_list = None
|
|
|
|
def print_stats(self):
|
|
print_title()
|
|
if self.stats_list:
|
|
for i in range(len(self.stats_list)):
|
|
nc, tt, ct, callers, callees, key = \
|
|
self.stats_list[i]
|
|
print_line(nc, tt, ct, key)
|
|
else:
|
|
for key in self.stats.keys():
|
|
nc, tt, ct, callers, callees = self.stats[key]
|
|
print_line(nc, tt, ct, key)
|
|
|
|
def print_callers(self):
|
|
if self.stats_list:
|
|
for i in range(len(self.stats_list)):
|
|
nc, tt, ct, callers, callees, key = \
|
|
self.stats_list[i]
|
|
print key,
|
|
for func in callers.keys():
|
|
print func+'('+`callers[func]`+')',
|
|
print
|
|
else:
|
|
for key in self.stats.keys():
|
|
nc, tt, ct, callers, callees = self.stats[key]
|
|
print key,
|
|
for func in callers.keys():
|
|
print func+'('+`callers[func]`+')',
|
|
print
|
|
|
|
def print_callees(self):
|
|
if self.stats_list:
|
|
for i in range(len(self.stats_list)):
|
|
nc, tt, ct, callers, callees, key = \
|
|
self.stats_list[i]
|
|
print key,
|
|
for func in callees.keys():
|
|
print func+'('+`callees[func]`+')',
|
|
print
|
|
else:
|
|
for key in self.stats.keys():
|
|
nc, tt, ct, callers, callees = self.stats[key]
|
|
print key,
|
|
for func in callees.keys():
|
|
print func+'('+`callees[func]`+')',
|
|
print
|
|
|
|
def sort_stats(self, field):
|
|
stats_list = []
|
|
for key in self.stats.keys():
|
|
t = self.stats[key]
|
|
nt = ()
|
|
for i in range(len(t)):
|
|
if i == field:
|
|
nt = (t[i],) + nt[:]
|
|
else:
|
|
nt = nt[:] + (t[i],)
|
|
if field == -1:
|
|
nt = (key,) + nt
|
|
else:
|
|
nt = nt + (key,)
|
|
stats_list.append(nt)
|
|
stats_list.sort()
|
|
self.stats_list = []
|
|
for i in range(len(stats_list)):
|
|
t = stats_list[i]
|
|
if field == -1:
|
|
nt = t[1:] + t[0:1]
|
|
else:
|
|
nt = t[1:]
|
|
nt = nt[:field] + t[0:1] + nt[field:]
|
|
self.stats_list.append(nt)
|
|
|
|
def reverse_order(self):
|
|
self.stats_list.reverse()
|
|
|
|
def strip_dirs(self):
|
|
newstats = {}
|
|
for key in self.stats.keys():
|
|
nc, tt, ct, callers, callees = self.stats[key]
|
|
newkey = os.path.basename(key)
|
|
newcallers = {}
|
|
for c in callers.keys():
|
|
newcallers[os.path.basename(c)] = callers[c]
|
|
newcallees = {}
|
|
for c in callees.keys():
|
|
newcallees[os.path.basename(c)] = callees[c]
|
|
newstats[newkey] = nc, tt, ct, newcallers, newcallees
|
|
self.stats = newstats
|
|
self.stats_list = None
|
|
|
|
def print_title():
|
|
print string.rjust('ncalls', 8),
|
|
print string.rjust('tottime', 8),
|
|
print string.rjust('percall', 8),
|
|
print string.rjust('cumtime', 8),
|
|
print string.rjust('percall', 8),
|
|
print 'filename:lineno(function)'
|
|
|
|
def print_line(nc, tt, ct, key):
|
|
print string.rjust(`nc`, 8),
|
|
print f8(tt),
|
|
if nc == 0:
|
|
print ' '*8,
|
|
else:
|
|
print f8(tt/nc),
|
|
print f8(ct),
|
|
if nc == 0:
|
|
print ' '*8,
|
|
else:
|
|
print f8(ct/nc),
|
|
print key
|
|
|
|
def f8(x):
|
|
return string.rjust(fpformat.fix(x, 3), 8)
|
|
|
|
# simplified user interface
|
|
def run(statement, *args):
|
|
prof = Profile()
|
|
try:
|
|
prof.run(statement)
|
|
except SystemExit:
|
|
pass
|
|
if len(args) == 0:
|
|
prof.print_stats()
|
|
else:
|
|
prof.dump_stats(args[0])
|
|
|
|
# test command with debugging
|
|
def debug():
|
|
prof = Profile()
|
|
prof.debug = 1
|
|
try:
|
|
prof.run('import x; x.main()')
|
|
except SystemExit:
|
|
pass
|
|
prof.print_stats()
|
|
|
|
# test command
|
|
def test():
|
|
run('import x; x.main()')
|
|
|
|
# print help
|
|
def help():
|
|
for dirname in sys.path:
|
|
fullname = os.path.join(dirname, 'profile.doc')
|
|
if os.path.exists(fullname):
|
|
sts = os.system('${PAGER-more} '+fullname)
|
|
if sts: print '*** Pager exit status:', sts
|
|
break
|
|
else:
|
|
print 'Sorry, can\'t find the help file "profile.doc"',
|
|
print 'along the Python search path'
|