1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
##############################################################################
# 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
##############################################################################
import pkg_resources
import logging
import json
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios import base
LOG = logging.getLogger(__name__)
LOG.setLevel(logging.DEBUG)
class Fio(base.Scenario):
"""Execute fio benchmark on host
Parameters
filename - file name for fio workload
type: string
unit: na
default: /home/ec2-user/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, context):
self.context = context
self.setup_done = False
def setup(self):
'''scenario setup'''
self.target_script = pkg_resources.resource_filename(
"yardstick.benchmark.scenarios.storage",
Fio.TARGET_SCRIPT)
user = self.context.get("user", "root")
host = self.context.get("host", None)
key_filename = self.context.get("key_filename", "~/.ssh/id_rsa")
LOG.debug("user:%s, host:%s", user, host)
self.client = ssh.SSH(user, host, key_filename=key_filename)
self.client.wait(timeout=600)
# copy script to host
self.client.run("cat > ~/fio.sh",
stdin=open(self.target_script, "rb"))
self.setup_done = True
def run(self, args):
"""execute the benchmark"""
default_args = "-ioengine=libaio -direct=1 " \
"-group_reporting -numjobs=1 -time_based"
if not self.setup_done:
self.setup()
options = args["options"]
filename = options.get("filename", "/home/ec2-user/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.context.get("duration", 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
args = "-filename=%s -bs=%s -iodepth=%s -rw=%s -ramp_time=%s " \
"-runtime=%s -name=%s" \
% (filename, bs, iodepth, rw, ramp_time, runtime, name)
cmd = "sudo bash fio.sh %s %s %s" \
% (filename, args, default_args)
LOG.debug("Executing command: %s", cmd)
status, stdout, stderr = self.client.execute(cmd)
if status:
raise RuntimeError(stderr)
data = json.loads(stdout)
# TODO: add sla check
return data
def _test():
'''internal test function'''
key_filename = pkg_resources.resource_filename("yardstick.resources",
"files/yardstick_key")
ctx = {
"host": "10.0.0.101",
"user": "ec2-user",
"key_filename": key_filename
}
logger = logging.getLogger("yardstick")
logger.setLevel(logging.DEBUG)
fio = Fio(ctx)
options = {
"filename": "/home/ec2-user/data.raw",
"bs": "4k",
"iodepth": "1",
"rw": "write",
"ramp_time": 10,
}
args = {"options": options}
result = fio.run(args)
print result
if __name__ == '__main__':
_test()
|
