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import os
from wa import Workload, Parameter, TargetError, WorkloadError, Executable, Alias
from wa.utils.exec_control import once
BLOCK_SIZES = [16, 64, 256, 1024, 8192, 16384]
ECD = ['secp160r1', 'nistp192', 'nistp224', 'nistp256', 'nistp384', 'nistp521',
'nistk163', 'nistk233', 'nistk283', 'nistk409', 'nistk571', 'nistb163',
'nistb233', 'nistb283', 'nistb409', 'nistb571', 'curve25519']
CIPHER_PKI = ['rsa', 'dsa', 'ecdh', 'ecdsa']
EVP_NEW = ['aes-128-cbc', 'aes-192-cbc', 'aes-256-cbc', 'aes-128-gcm', 'aes-192-gcm',
'aes-256-gcm', 'sha1', 'sha256', 'sha384', 'sha512']
class Openssl(Workload):
name = 'openssl'
description = '''
Benchmark Openssl algorithms using Openssl's speed command.
The command tests how long it takes to perfrom typical SSL operations using
a range of supported algorithms and ciphers.
By defalt, this workload will use openssl installed on the target, however
it is possible to provide an alternative binary as a workload resource.
'''
parameters = [
Parameter('algorithm', default='aes-256-cbc',
allowed_values = EVP_NEW + CIPHER_PKI,
description='''
Algorithm to benchmark.
'''),
Parameter('threads', kind=int, default=1,
description='''
The number of threads to use
'''),
Parameter('use_system_binary', kind=bool, default=True,
description='''
If ``True``, the system Openssl binary will be used.
Otherwise, use the binary provided in the workload
resources.
'''),
]
aliases = [Alias('ossl-' + algo, algorithm=algo)
for algo in EVP_NEW + CIPHER_PKI]
@once
def initialize(self, context):
if self.use_system_binary:
try:
self.target.execute('openssl -h')
except TargetError:
msg = 'Openssl does not appear to be installed on target.'
raise WorkloadError(msg)
Openssl.target_exe = 'openssl'
else:
resource = Executable(self, self.target.abi, 'openssl')
host_exe = context.resolver.get(resource)
Openssl.target_exe = self.target.install(host_exe)
def setup(self, context):
self.output = None
if self.algorithm in EVP_NEW:
cmd_template = '{} speed -mr -multi {} -evp {}'
else:
cmd_template = '{} speed -mr -multi {} {}'
self.command = cmd_template.format(self.target_exe, self.threads, self.algorithm)
def run(self, context):
self.output = self.target.execute(self.command)
def extract_results(self, context):
if not self.output:
return
outfile = os.path.join(context.output_directory, 'openssl.output')
with open(outfile, 'w') as wfh:
wfh.write(self.output)
context.add_artifact('openssl-output', outfile, 'raw', 'openssl\'s stdout')
def update_output(self, context):
if not self.output:
return
for line in self.output.split('\n'):
line = line.strip()
if not line.startswith('+F'):
continue
parts = line.split(':')
if parts[0] == '+F': # evp ciphers
for bs, value in zip(BLOCK_SIZES, map(float, parts[3:])):
value = value / 2**20 # to MB
context.add_metric('score', value, 'MB/s',
classifiers={'block_size': bs})
elif parts[0] in ['+F2', '+F3']: # rsa, dsa
key_len = int(parts[2])
sign = float(parts[3])
verify = float(parts[4])
context.add_metric('sign', sign, 'seconds',
classifiers={'key_length': key_len})
context.add_metric('verify', verify, 'seconds',
classifiers={'key_length': key_len})
elif parts[0] == '+F4': # ecdsa
ec_idx = int(parts[1])
key_len = int(parts[2])
sign = float(parts[3])
verify = float(parts[4])
context.add_metric('sign', sign, 'seconds',
classifiers={'key_length': key_len,
'curve': ECD[ec_idx]})
context.add_metric('verify', verify, 'seconds',
classifiers={'key_length': key_len,
'curve': ECD[ec_idx]})
elif parts[0] == '+F5': # ecdh
ec_idx = int(parts[1])
key_len = int(parts[2])
op_time = float(parts[3])
ops_per_sec = float(parts[4])
context.add_metric('op', op_time, 'seconds',
classifiers={'key_length': key_len,
'curve': ECD[ec_idx]})
context.add_metric('ops_per_sec', ops_per_sec, 'Hz',
classifiers={'key_length': key_len,
'curve': ECD[ec_idx]})
else:
self.logger.warning('Unexpected result: "{}"'.format(line))
@once
def finalize(self, context):
if not self.use_system_binary:
self.target.uninstall('openssl')
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