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This commit is contained in:
Bahadir Balban
2008-01-13 13:53:52 +00:00
commit e2b791a3d8
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tasks/libmem/run_tests.py Executable file
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#!/usr/bin/python
import os
import shutil
from os.path import join
import sys
project_root = join(os.getcwd(), "../..")
source_root = os.path.join(project_root, 'src')
headers_root = os.path.join(project_root, 'include')
tests_run_root = os.path.join(os.getcwd(), 'tmp')
tools_root = os.getcwd()
init_state = "page_init.out"
exit_state = "page_exit.out"
SZ_10MB = 1024 * 1024 * 10
def power(x, y):
res = 1
for i in range(y):
res = res * x;
return res
def test_mm():
'''
Tries to set up meaningful input parameters for page_size, maximum allocation
size, total number of allocations, and total pages, and tests the memory allocator
in every one of these combinations. The parameter guessing is not great, but at least
some test cases are reasonable.
'''
page_sizes = [128, 256, 512, 1024, 2048, 4096, 8192]
max_alloc_sizes = [1, 10, 40, 50, 100, 200]
for page_size in page_sizes:
numpages = SZ_10MB / page_size
for i in range(1, 3):
res = numpages / power(10, i) # Divide numpages to 10, 100, 1000
if res > 0:
max_alloc_sizes.append(numpages/10)
max_alloc_sizes.append(numpages/100)
max_alloc_sizes.append(numpages/1000)
for max_alloc_size in max_alloc_sizes:
if max_alloc_size >= numpages: # If a single allocation exceeds total, adjust.
max_alloc_size = numpages / 2
num_allocs = numpages / (max_alloc_size) * 2 * 2 / 3
cmd = "./test -a=p -n=%d -s=%d -fi=%s -fx=%s -ps=%d -pn=%d" % \
(num_allocs, max_alloc_size, join(tests_run_root, init_state),\
join(tests_run_root, exit_state), page_size, numpages)
print "num_allocs = %d, max_alloc_size = %d, page_size = %d, numpages = %d" % \
(num_allocs, max_alloc_size, page_size, numpages)
os.system(cmd)
#os.system("cat %s" % join(tests_run_root, init_state))
diffcmd = "diff " + join(tests_run_root, init_state) + " " + join(tests_run_root, exit_state)
if os.system(diffcmd) != 0:
print "Error: %s has failed.\n" % cmd
sys.exit(1)
def test_km():
'''
Tries to set up meaningful input parameters for payload size, maximum allocation
size, total number of allocations, and total pages, and tests kmalloc
in every one of these combinations. The parameter guessing is not great, but at least
some test cases are reasonable.
'''
page_sizes = [4096, 8192]
max_alloc_sizes = [1, 10, 40, 50, 100, 200, 1024, 2048, 4096, 10000, 50000, 100000]
numpages = 1024
for page_size in page_sizes:
for max_alloc_size in max_alloc_sizes:
num_allocs = (numpages * page_size * 3) / (max_alloc_size * 2)
cmd = "./test -a=k -n=%d -s=%d -fi=%s -fx=%s -ps=%d -pn=%d" % \
(num_allocs, max_alloc_size, join(tests_run_root, init_state),\
join(tests_run_root, exit_state), page_size, numpages)
print "num_allocs = %d, max_alloc_size = %d, page_size = %d, numpages = %d" %\
(num_allocs, max_alloc_size, page_size, numpages)
diffcmd = "diff " + join(tests_run_root, init_state) + " " +\
join(tests_run_root, exit_state)
if os.system(diffcmd) != 0:
print "Error: %s has failed.\n" % cmd
sys.exit(1)
def test_mm_params(num_allocs, max_alloc_size, page_size, numpages, iterations):
for i in range(iterations):
cmd = "./test -a=p -n=%d -s=%d -fi=%s -fx=%s -ps=%d -pn=%d" % \
(num_allocs, max_alloc_size, join(tests_run_root, init_state),\
join(tests_run_root, exit_state), page_size, numpages)
print "num_allocs = %d, max_alloc_size = %d, page_size = %d, numpages = %d" % \
(num_allocs, max_alloc_size, page_size, numpages)
os.system(cmd)
#os.system("cat %s" % join(tests_run_root, init_state))
diffcmd = "diff " + join(tests_run_root, init_state) + " " + join(tests_run_root, exit_state)
if os.system(diffcmd) != 0:
print "Error: %s has failed.\n" % cmd
sys.exit(1)
def run_tests():
if os.path.exists(tests_run_root):
shutil.rmtree(tests_run_root)
os.mkdir(tests_run_root)
# for i in range (100):
#test_km()
test_mm()
#test_mm_params(10922, 10, 128, 81920, 50)
#test_km()
#test_mc()
if __name__ == '__main__':
run_tests()