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##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from __future__ import absolute_import
from __future__ import print_function
import logging
import pkg_resources
from oslo_serialization import jsonutils
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios import base
LOG = logging.getLogger(__name__)
class Fio(base.Scenario):
"""Execute fio benchmark in a host
Parameters
filename - file name for fio workload
type: string
unit: na
default: /home/ubuntu/data.raw
bs - block size used for the io units
type: int
unit: bytes
default: 4k
iodepth - number of iobuffers to keep in flight
type: int
unit: na
default: 1
rw - type of io pattern [read, write, randwrite, randread, rw, randrw]
type: string
unit: na
default: write
ramp_time - run time before logging any performance
type: int
unit: seconds
default: 20
Read link below for more fio args description:
http://www.bluestop.org/fio/HOWTO.txt
"""
__scenario_type__ = "Fio"
TARGET_SCRIPT = "fio_benchmark.bash"
def __init__(self, scenario_cfg, context_cfg):
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
self.setup_done = False
def setup(self):
"""scenario setup"""
self.target_script = pkg_resources.resource_filename(
"yardstick.benchmark.scenarios.storage",
Fio.TARGET_SCRIPT)
host = self.context_cfg["host"]
user = host.get("user", "root")
ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
ip = host.get("ip", None)
key_filename = host.get("key_filename", "~/.ssh/id_rsa")
LOG.info("user:%s, host:%s", user, ip)
self.client = ssh.SSH(user, ip, key_filename=key_filename,
port=ssh_port)
self.client.wait(timeout=600)
# copy script to host
self.client._put_file_shell(self.target_script, '~/fio.sh')
self.setup_done = True
def run(self, result):
"""execute the benchmark"""
default_args = "-ioengine=libaio -direct=1 -group_reporting " \
"-numjobs=1 -time_based --output-format=json"
if not self.setup_done:
self.setup()
options = self.scenario_cfg["options"]
filename = options.get("filename", "/home/ubuntu/data.raw")
bs = options.get("bs", "4k")
iodepth = options.get("iodepth", "1")
rw = options.get("rw", "write")
ramp_time = options.get("ramp_time", 20)
name = "yardstick-fio"
# if run by a duration runner
duration_time = self.scenario_cfg["runner"].get("duration", None) \
if "runner" in self.scenario_cfg else None
# if run by an arithmetic runner
arithmetic_time = options.get("duration", None)
if duration_time:
runtime = duration_time
elif arithmetic_time:
runtime = arithmetic_time
else:
runtime = 30
cmd_args = "-filename=%s -bs=%s -iodepth=%s -rw=%s -ramp_time=%s " \
"-runtime=%s -name=%s %s" \
% (filename, bs, iodepth, rw, ramp_time, runtime, name,
default_args)
cmd = "sudo bash fio.sh %s %s" % (filename, cmd_args)
LOG.debug("Executing command: %s", cmd)
# Set timeout, so that the cmd execution does not exit incorrectly
# when the test run time is last long
timeout = int(ramp_time) + int(runtime) + 600
status, stdout, stderr = self.client.execute(cmd, timeout=timeout)
if status:
raise RuntimeError(stderr)
raw_data = jsonutils.loads(stdout)
# The bandwidth unit is KB/s, and latency unit is us
if rw in ["read", "randread", "rw", "randrw"]:
result["read_bw"] = raw_data["jobs"][0]["read"]["bw"]
result["read_iops"] = raw_data["jobs"][0]["read"]["iops"]
result["read_lat"] = raw_data["jobs"][0]["read"]["lat"]["mean"]
if rw in ["write", "randwrite", "rw", "randrw"]:
result["write_bw"] = raw_data["jobs"][0]["write"]["bw"]
result["write_iops"] = raw_data["jobs"][0]["write"]["iops"]
result["write_lat"] = raw_data["jobs"][0]["write"]["lat"]["mean"]
if "sla" in self.scenario_cfg:
sla_error = ""
for k, v in result.items():
if k not in self.scenario_cfg['sla']:
continue
if "lat" in k:
# For lattency small value is better
max_v = float(self.scenario_cfg['sla'][k])
if v > max_v:
sla_error += "%s %f > sla:%s(%f); " % (k, v, k, max_v)
else:
# For bandwidth and iops big value is better
min_v = int(self.scenario_cfg['sla'][k])
if v < min_v:
sla_error += "%s %d < " \
"sla:%s(%d); " % (k, v, k, min_v)
assert sla_error == "", sla_error
def _test():
"""internal test function"""
key_filename = pkg_resources.resource_filename("yardstick.resources",
"files/yardstick_key")
ctx = {
"host": {
"ip": "10.229.47.137",
"user": "root",
"key_filename": key_filename
}
}
logger = logging.getLogger("yardstick")
logger.setLevel(logging.DEBUG)
options = {
"filename": "/home/ubuntu/data.raw",
"bs": "4k",
"iodepth": "1",
"rw": "rw",
"ramp_time": 1,
"duration": 10
}
result = {}
args = {"options": options}
fio = Fio(args, ctx)
fio.run(result)
print(result)
if __name__ == '__main__':
_test()
|
