ceph/qa/tasks/omapbench.py

84 lines
2.6 KiB
Python

"""
Run omapbench executable within teuthology
"""
import contextlib
import logging
from teuthology.orchestra import run
from teuthology import misc as teuthology
log = logging.getLogger(__name__)
@contextlib.contextmanager
def task(ctx, config):
"""
Run omapbench
The config should be as follows::
omapbench:
clients: [client list]
threads: <threads at once>
objects: <number of objects to write>
entries: <number of entries per object map>
keysize: <number of characters per object map key>
valsize: <number of characters per object map val>
increment: <interval to show in histogram (in ms)>
omaptype: <how the omaps should be generated>
example::
tasks:
- ceph:
- omapbench:
clients: [client.0]
threads: 30
objects: 1000
entries: 10
keysize: 10
valsize: 100
increment: 100
omaptype: uniform
- interactive:
"""
log.info('Beginning omapbench...')
assert isinstance(config, dict), \
"please list clients to run on"
omapbench = {}
testdir = teuthology.get_testdir(ctx)
print(str(config.get('increment',-1)))
for role in config.get('clients', ['client.0']):
assert isinstance(role, basestring)
PREFIX = 'client.'
assert role.startswith(PREFIX)
id_ = role[len(PREFIX):]
(remote,) = ctx.cluster.only(role).remotes.iterkeys()
proc = remote.run(
args=[
"/bin/sh", "-c",
" ".join(['adjust-ulimits',
'ceph-coverage',
'{tdir}/archive/coverage',
'omapbench',
'--name', role[len(PREFIX):],
'-t', str(config.get('threads', 30)),
'-o', str(config.get('objects', 1000)),
'--entries', str(config.get('entries',10)),
'--keysize', str(config.get('keysize',10)),
'--valsize', str(config.get('valsize',1000)),
'--inc', str(config.get('increment',10)),
'--omaptype', str(config.get('omaptype','uniform'))
]).format(tdir=testdir),
],
logger=log.getChild('omapbench.{id}'.format(id=id_)),
stdin=run.PIPE,
wait=False
)
omapbench[id_] = proc
try:
yield
finally:
log.info('joining omapbench')
run.wait(omapbench.itervalues())