mirror of
https://github.com/python/cpython.git
synced 2024-12-01 11:15:56 +01:00
4e16098ce7
Added runcall(func, *args) interfaces to profile.py, bdb.py, pdb.py, wdb.py Added new module bisect.py and used it in sched.py. Mostly cosmetic changes to profile.py (changed output format).
363 lines
9.1 KiB
Python
Executable File
363 lines
9.1 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
|
|
return self
|
|
|
|
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]
|
|
lineno = codehack.getlineno(frame.f_code)
|
|
filename = frame.f_code.co_filename
|
|
key = filename + ':' + `lineno` + '(' + funcname + ')'
|
|
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:
|
|
pkey = pframe.f_code.co_filename + ':' + \
|
|
`codehack.getlineno(pframe.f_code)` \
|
|
+ '(' + \
|
|
codehack.getcodename(pframe.f_code) \
|
|
+ ')'
|
|
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]
|
|
funcname = codehack.getcodename(frame.f_code)
|
|
lineno = codehack.getlineno(frame.f_code)
|
|
filename = frame.f_code.co_filename
|
|
key = filename + ':' + `lineno` + '(' + funcname + ')'
|
|
if self.debug:
|
|
s0 = s0 + key + ' depth: ' + `self.call_level` + ' time: ' + `t`
|
|
if pframe:
|
|
funcname = codehack.getcodename(frame.f_code)
|
|
lineno = codehack.getlineno(frame.f_code)
|
|
filename = frame.f_code.co_filename
|
|
pkey = filename + ':' + `lineno` + '(' + funcname + ')'
|
|
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
|
|
return self
|
|
|
|
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().init()
|
|
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().init()
|
|
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()')
|