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"""
Multibench testing
"""
import contextlib
import logging
import time
import copy
import gevent
from tasks import radosbench
log = logging.getLogger(__name__)
@contextlib.contextmanager
def task(ctx, config):
"""
Run multibench
The config should be as follows:
multibench:
time: <seconds to run total>
segments: <number of concurrent benches>
radosbench: <config for radosbench>
example:
tasks:
- ceph:
- multibench:
clients: [client.0]
time: 360
- interactive:
"""
log.info('Beginning multibench...')
assert isinstance(config, dict), \
"please list clients to run on"
def run_one(num):
"""Run test spawn from gevent"""
start = time.time()
if not config.get('radosbench'):
benchcontext = {}
else:
benchcontext = copy.copy(config.get('radosbench'))
iterations = 0
while time.time() - start < int(config.get('time', 600)):
log.info("Starting iteration %s of segment %s"%(iterations, num))
benchcontext['pool'] = str(num) + "-" + str(iterations)
with radosbench.task(ctx, benchcontext):
time.sleep()
iterations += 1
log.info("Starting %s threads"%(str(config.get('segments', 3)),))
segments = [
gevent.spawn(run_one, i)
for i in range(0, int(config.get('segments', 3)))]
try:
yield
finally:
[i.get() for i in segments]
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