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"""
Interprets logs from test runs. Outputs ASCII
tables containing results, json data, etc.
"""
import json
import sys
archs = 'stm32f0 stm32f1 stm32f3'.split()
tests = """
aes128block_test
aes256block_test
aes128sched_test
aes256sched_test
hashtest_sha256
hashtest_sha512
hashtest_sha3_256
hashtest_sha3_512
aes128gcm_test
aes128eax_test
aes128ccm_test
norx_test
salsa20_test
chacha20_test
poly1305_test
hmacsha256_test
curve25519_test
aeadperf_norx
aeadperf_aes128gcm
aeadperf_aes128eax
aeadperf_aes128ccm
aeadperf_aes256gcm
aeadperf_aes256eax
aeadperf_aes256ccm
aeadperf_chacha20poly1305
do_nothing
""".split()
arch_names = dict(
stm32f0 = 'Cortex-M0',
stm32f1 = 'Cortex-M3',
stm32f3 = 'Cortex-M4F'
)
base_test = 'do_nothing'
def extract(arch, test):
fn = 'run.%s.%s.log' % (test, arch)
code_size = 0
data_size = 0
cycle_count = None
stack_usage = None
brackets = None
current_bracket = None
try:
lines = open(fn).readlines()
except IOError:
return None
for l in lines:
if 'LOAD' in l:
parts = l.split()
assert len(parts) >= 8
assert 'LOAD' == parts[0]
if parts[6] == 'RWE':
code_size += long(parts[5], 16)
if parts[6] == 'RW':
data_size += long(parts[5], 16)
if l.startswith('bracket = '):
bracket = long(l.split(' = ')[1].strip(), 16)
current_bracket = bracket
if brackets is None:
brackets = {}
brackets[current_bracket] = dict()
if l.startswith('cycles = '):
cycle_count = long(l.split(' = ')[1].strip(), 16)
if current_bracket is not None:
brackets[current_bracket]['cycle_count'] = cycle_count
if l.startswith('stack = '):
stack_usage = long(l.split(' = ')[1].strip(), 16)
if current_bracket is not None:
brackets[current_bracket]['stack_usage'] = stack_usage
return dict(
code_size = code_size,
data_size = data_size,
cycle_count = cycle_count,
stack_usage = stack_usage,
brackets = brackets
)
def print_table(rows):
header, rows = rows[0], rows[1:]
assert not [True for r in rows if len(r) != len(header)]
widths = []
for i, h in enumerate(header):
widths.append(max([len(h)] + [len(r[i]) for r in rows]))
def print_row(row):
print ' | '.join(c + (' ' * (widths[i] - len(c))) for i, c in enumerate(row))
print_row(header)
print_row(['-' * w for w in widths])
for r in rows:
print_row(r)
results = {}
for arch in archs:
for test in tests:
inf = extract(arch, test)
if inf:
results.setdefault(arch, {})[test] = inf
for arch in results.keys():
if base_test not in results[arch]:
print 'need', base_test, 'results to report for', arch
continue
base_result = results[arch][base_test]
for test in results[arch].keys():
if test == base_test:
continue
results[arch][test]['code_size'] -= base_result['code_size']
def tabulate_aes(arch, block_result, sched_result, table = None):
if table is None:
table = []
table.append((
'Core',
'Cycles (key schedule + block)',
'Cycles (key schedule)',
'Cycles (block)',
'Stack',
'Code size'
))
table.append(
(
arch_names[arch],
'%d' % block_result['cycle_count'],
'%d' % sched_result['cycle_count'],
'%d' % (block_result['cycle_count'] - sched_result['cycle_count']),
'%dB' % block_result['stack_usage'],
'%dB' % block_result['code_size']
))
return table
def print_std(result):
print """* **Cycles**: %(cycle_count)d
* **Stack**: %(stack_usage)dB
* **Code size**: %(code_size)dB
""" % result
def tabulate_std(arch, result, table = None):
if table is None:
table = []
table.append(('Core', 'Cycles', 'Stack', 'Code size'))
table.append(
(
arch_names[arch],
'%d' % result['cycle_count'],
'%dB' % result['stack_usage'],
'%dB' % result['code_size']
))
return table
def tabulate(mktab):
table = None
for arch in archs:
if arch not in results:
continue
table = mktab(arch, table)
print_table(table)
def convert_brackets(metric, tests):
for arch in archs:
arch_result = {}
# collect results for each test
for t in tests:
if arch not in results or t not in results[arch]:
print 'missing', arch, t
continue
data = results[arch][t]['brackets']
arch_result[t] = [[b, data[b][metric]] for b in sorted(data.keys())]
# convert into list of [bracket, test-1, test-2, ...] lists
out = []
if len(arch_result) == 0:
continue
first_row = arch_result.values()[0]
for i in range(len(first_row)):
row = [ first_row[i][0] ]
for k in sorted(arch_result.keys()):
if len(arch_result[k]) != len(first_row):
print 'warn:', 'test', k, 'did not complete?'
rr = arch_result[k][i]
row.append(rr[1])
out.append(row)
print json.dumps(out)
convert_brackets('cycle_count',
[
'aeadperf_norx',
'aeadperf_aes128gcm',
'aeadperf_aes128eax',
'aeadperf_aes128ccm',
'aeadperf_aes256gcm',
'aeadperf_aes256eax',
'aeadperf_aes256ccm',
'aeadperf_chacha20poly1305'
])
convert_brackets('stack_usage',
[
'aeadperf_norx',
'aeadperf_aes128gcm',
'aeadperf_aes128eax',
'aeadperf_aes128ccm',
'aeadperf_aes256gcm',
'aeadperf_aes256eax',
'aeadperf_aes256ccm',
'aeadperf_chacha20poly1305'
])
# screwed if we need other block ciphers
print '###', '128-bit key'
tabulate(lambda arch, table: tabulate_aes(arch, results[arch]['aes128block_test'], results[arch]['aes128sched_test'], table))
print
print '###', '256-bit key'
tabulate(lambda arch, table: tabulate_aes(arch, results[arch]['aes256block_test'], results[arch]['aes256sched_test'], table))
print
def do_table(title, test):
print '##', title
tabulate(lambda arch, table: tabulate_std(arch, results[arch][test], table))
print
do_table('AES128-GCM', 'aes128gcm_test')
do_table('AES128-EAX', 'aes128eax_test')
do_table('AES128-CCM', 'aes128ccm_test')
do_table('NORX32', 'norx_test')
do_table('ChaCha20', 'chacha20_test')
do_table('Salsa20', 'salsa20_test')
do_table('SHA256', 'hashtest_sha256')
do_table('SHA512', 'hashtest_sha512')
do_table('SHA3-256', 'hashtest_sha3_256')
do_table('SHA3-512', 'hashtest_sha3_512')
do_table('HMAC-SHA256', 'hmacsha256_test')
do_table('Poly1305-AES', 'poly1305_test')
do_table('Curve25519', 'curve25519_test')
if '--aead' in sys.argv:
do_table('AEAD-Shootout: NORX', 'aeadperf_norx')
do_table('AEAD-Shootout: AES-128-GCM', 'aeadperf_aes128gcm')
do_table('AEAD-Shootout: AES-128-EAX', 'aeadperf_aes128eax')
do_table('AEAD-Shootout: AES-128-CCM', 'aeadperf_aes128ccm')
do_table('AEAD-Shootout: AES-256-GCM', 'aeadperf_aes256gcm')
do_table('AEAD-Shootout: AES-256-EAX', 'aeadperf_aes256eax')
do_table('AEAD-Shootout: AES-256-CCM', 'aeadperf_aes256ccm')
do_table('AEAD-Shootout: ChaCha20-Poly1305', 'aeadperf_chacha20poly1305')
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