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
|
##############################################################################
# Copyright (c) 2015 EMC and others.
#
# 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 imp
import logging
import os
import socket
from os import listdir
from os.path import isfile, join
from fio.fio_invoker import FIOInvoker
from carbon.emitter import CarbonMetricTransmitter
from carbon.converter import JSONToCarbon
class UnknownWorkload(Exception):
def __init__(self, msg):
self.msg = msg
class TestExecutor(object):
def __init__(self):
self.logger = logging.getLogger(__name__)
self.workload_modules = []
self.filename = "storperf.dat"
self.precondition = True
self.warm = True
self.event_listeners = set()
self.metrics_converter = JSONToCarbon()
self.metrics_emitter = CarbonMetricTransmitter()
self.prefix = socket.getfqdn()
self.job_id = None
def register(self, event_listener):
self.event_listeners.add(event_listener)
def unregister(self, event_listener):
self.event_listeners.discard(event_listener)
def event(self, metric):
carbon_metrics = self.metrics_converter.convert_to_dictionary(
metric,
self.prefix)
read_latency = carbon_metrics[self.prefix + ".jobs.1.read.lat.mean"]
write_latency = carbon_metrics[self.prefix + ".jobs.1.write.lat.mean"]
read_iops = carbon_metrics[self.prefix + ".jobs.1.read.iops"]
write_iops = carbon_metrics[self.prefix + ".jobs.1.write.iops"]
message = "Average Latency us Read/Write: " + read_latency \
+ "/" + write_latency + " IOPS r/w: " + \
read_iops + "/" + write_iops
for event_listener in self.event_listeners:
event_listener(message)
self.metrics_emitter.transmit_metrics(carbon_metrics)
def register_workloads(self, workloads):
if (workloads is None or workloads.length() == 0):
workload_dir = os.path.normpath(
os.path.join(os.path.dirname(__file__), "workloads"))
workload_files = [
f for f in listdir(workload_dir)
if isfile(join(workload_dir, f))]
workloads = []
for filename in workload_files:
mname, ext = os.path.splitext(filename)
if (not mname.startswith('_')):
workloads.append(mname)
if (self.warm is True):
workloads.insert(0, "_warm_up")
if (self.precondition is True):
workloads.insert(0, "_ssd_preconditioning")
for workload in workloads:
try:
workload_module = self.load_from_file("workloads/" +
workload + ".py")
self.logger.debug("Found: " + str(workload_module))
if(workload_module is None):
raise UnknownWorkload("Unknown workload: " + workload)
self.workload_modules.append(workload_module)
except ImportError, err:
raise UnknownWorkload(err)
def load_from_file(self, uri):
uri = os.path.normpath(os.path.join(os.path.dirname(__file__), uri))
path, fname = os.path.split(uri)
mname, ext = os.path.splitext(fname)
no_ext = os.path.join(path, mname)
self.logger.debug("Looking for: " + no_ext)
if os.path.exists(no_ext + '.pyc'):
self.logger.debug("Loading compiled: " + mname + " from " + no_ext)
return imp.load_compiled(mname, no_ext + '.pyc')
if os.path.exists(no_ext + '.py'):
self.logger.debug("Compiling: " + mname + " from " + no_ext)
return imp.load_source(mname, no_ext + '.py')
return None
def create_job_id(self):
return 1234
def execute(self):
if (self.job_id is None):
self.job_id = self.create_job_id()
invoker = FIOInvoker()
invoker.register(self.event)
for numjobs in [1, 2, 4]:
for workload_module in self.workload_modules:
constructor = getattr(workload_module, "__name__")
constructorMethod = getattr(workload_module, constructor)
self.logger.debug(
"Found constructor: " + str(constructorMethod))
workload = constructorMethod()
workload.filename = self.filename
workload.invoker = invoker
workload.options['iodepth'] = str(numjobs)
self.logger.info("Executing workload: " + constructor)
workload.execute()
|