import sys
import time
import thread


lst = [0.0] * 10000
lst[-33] = 999.9


def h(x):
    time.sleep(lst[x])

def g(x):
    h(x)

def f():
    for j in range(10000):
        g(j)


for k in range(5):
    thread.start_new_thread(f, ())

time.sleep(1)
d = sys._current_frames()
print d

for key, value in d.items():
    print '%d:' % (key,)
    while value is not None:
        print '\t', value, value.f_code.co_name
        value = value.f_back