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profile.py
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profile.py
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import sys
import time
frame_stats = {}
func_stats = {}
def _trace_func(frame, op, arg):
now_us = time.ticks_us()
# print(dir(frame))
# print(frame.f_back, frame.f_code, frame.f_lasti, frame.f_lineno, frame.f_globals)
# print(dir(code))
# print(code.co_code, code.co_consts, code.co_filename, code.co_firstlineno, code.co_lnotab, code.co_name, code.co_names)
code = frame.f_code
loc_id = (code.co_filename, frame.f_lineno, code.co_name)
# print(op, arg, id(frame), loc_id)
if op == 'call':
frame_stats[id(frame)] = [now_us, 0]
elif op == 'return' or op == 'exception':
start_tm_us, callees_acc_us = frame_stats[id(frame)]
duration_us = now_us - start_tm_us
# add total time spent in this frame to the parent frame
parent_frame_id = id(frame.f_back)
if parent_frame_id in frame_stats:
frame_stats[parent_frame_id][1] += duration_us
# subtract time spent in callees from current frame
duration_us -= callees_acc_us
#print(op, arg, id(frame), loc_id, 'parent frame:\t', parent_frame_id, 'acc:\t', callees_acc_us, frame_stats[parent_frame_id][1] if parent_frame_id in frame_stats else 0, duration_us)
del frame_stats[id(frame)]
code = frame.f_code
loc_id = (code.co_filename, frame.f_lineno, code.co_name)
if loc_id in func_stats:
call_count, min_us, max_us, tot_us = func_stats[loc_id]
call_count += 1
min_us = min(min_us, duration_us)
max_us = max(max_us, duration_us)
tot_us += duration_us
else:
call_count, min_us, max_us, tot_us = (1, duration_us, duration_us, duration_us)
func_stats[loc_id] = call_count, min_us, max_us, tot_us
else:
pass
return _trace_func
def test2(a):
#time.sleep(0.1)
pass
def test1(a):
test2(a)
test2(a)
test2(a)
test2(a)
test2(a)
def __main__():
test1('lalala')
test1('qaqaqa')
sys.settrace(_trace_func)
__main__()
print(func_stats)