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fio-bench.py
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fio-bench.py
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#!/usr/bin/env python3
# coding: utf-8
import os
import sys
import shlex
import subprocess
import json
from prettytable import PrettyTable
import argparse
from argparse import RawTextHelpFormatter
# Init ENV
rwResult = {}
#Color
R = "\033[0;31;40m" #RED
G = "\033[0;32;40m" # GREEN
Y = "\033[0;33;40m" # Yellow
B = "\033[0;34;40m" # Blue
N = "\033[0m" # Reset
def bash(cmd):
return shlex.os.system(cmd)
def format_bytes(size):
size = float(size)
power = 2**10
n = 1
power_labels = {0: 'B/s', 1: 'KB/s', 2: 'MB/s', 3: 'GB/s', 4: 'TB/s'}
while size > power:
size /= power
n += 1
value = size
unit = "{}".format(power_labels[n])
return value, unit
def cleanup(filename=None):
os.remove(filename)
def printResult():
print(G + "\nTest Results:" + N)
table = PrettyTable(
["Test Item", "Read IOPS", "Read Speed", "Write IOPS", "Write Speed"])
for k, v in rwResult.items():
list = [k, v["read_iops"], v["read_bw"], v["write_iops"], v["write_bw"]]
table.add_row(list)
table.align["Test Item"] = "l"
table.align["Write IOPS"] = "r"
table.align["Write Speed"] = "r"
table.align["Read IOPS"] = "r"
table.align["Read Speed"] = "r"
print(table.get_string(sortby="Test Item", reversesort=True))
def outputResult(filename=None):
if os.path.exists(filename):
os.remove(filename)
with open(filename, 'w+', encoding='utf-8') as fo:
fo.write("Test Results:\n")
table = PrettyTable(
["Test Item", "Read IOPS", "Read Speed", "Write IOPS", "Write Speed"])
for k, v in rwResult.items():
list = [k, v["read_iops"], v["read_bw"], v["write_iops"], v["write_bw"]]
table.add_row(list)
table.align["Test Item"] = "l"
table.align["Write IOPS"] = "r"
table.align["Write Speed"] = "r"
table.align["Read IOPS"] = "r"
table.align["Read Speed"] = "r"
fo.write(table.get_string(sortby="Test Item", reversesort=True))
fo.write("\n")
print((G + "\nThe test results saved in: {}" + N).format(filename))
class FioTest(object):
def __init__(self,
name,
filename,
rw,
bs,
size,
direct=1,
iodepth=1,
ioengine="libaio",
runtime=60):
self.name = name
self.filename = filename
self.direct = direct
self.rw = rw
self.bs = bs
self.size = size
self.iodepth = iodepth
self.ioengine = ioengine
self.runtime = runtime
def exprCmd(self):
cmd = "fio --name=" + self.name + " --rw=" + self.rw + " --iodepth=" + str(
self.iodepth
) + " --ioengine=" + self.ioengine + " --thread --direct=" + str(
self.direct
) + " --norandommap --bs=" + self.bs + " --size=" + self.size + " --runtime=" + str(
self.runtime
) + " --filename=" + self.filename + " --minimal --output-format=json"
return cmd
def runCmd(self, cmd):
result_str = ''
process = subprocess.Popen(cmd,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out = process.stdout
errors = process.stderr
err = errors.read()
if err:
print(R + "Run ERROR!" + N)
os._exit(1)
result_str = out.read().strip()
if out:
out.close()
if errors:
errors.close()
return result_str.decode('utf8')
def explain(self, result):
if self.rw == "read" or self.rw == "randread":
r = json.loads(result)
iops = r["jobs"][0]["read"]["iops"]
bw = r["jobs"][0]["read"]["bw"]
return iops, bw
else:
if self.rw == "write" or self.rw == "randwrite":
r = json.loads(result)
iops = r["jobs"][0]["write"]["iops"]
bw = r["jobs"][0]["write"]["bw"]
return iops, bw
def expResult(self, iops, bw):
name = self.name
rw_iops = ""
rw_bw = ""
if self.rw == "write":
rw_iops = "write_iops"
rw_bw = "write_bw"
elif self.rw == "read":
rw_iops = "read_iops"
rw_bw = "read_bw"
elif self.rw == "randwrite":
rw_iops = "write_iops"
rw_bw = "write_bw"
elif self.rw == "randread":
rw_iops = "read_iops"
rw_bw = "read_bw"
io_speed, unit = format_bytes(bw)
if name in rwResult.keys():
rwResult[name][rw_iops] = "{:d}".format(int(iops))
rwResult[name][rw_bw] = "{:.2f} {}".format(io_speed, unit) if (
unit == "GB/s" or unit == "TB/s") else "{:d} {}".format(
int(io_speed), unit)
else:
rwResult[name] = {}
rwResult[name][rw_iops] = "{:d}".format(int(iops))
rwResult[name][rw_bw] = "{:.2f} {}".format(io_speed, unit) if (
unit == "GB/s" or unit == "TB/s") else "{:d} {}".format(
int(io_speed), unit)
def saveResult(self):
cmd = self.exprCmd()
result = self.runCmd(cmd)
iops, bw = self.explain(result)
self.expResult(iops, bw)
if __name__ == '__main__':
defult_path = os.getcwd() + '/fio_test.bin'
# read parameters
parser = argparse.ArgumentParser(
prog='fio Benchmark tool',
description='Use fio to Measure Hard Drive and SSD Performance',
formatter_class=RawTextHelpFormatter)
parser.add_argument(
'-a',
'--all',
dest='alltest',
action='store_true',
required=False,
help=
'Perform a full test [R/W in Seq Q32T1, 4K Q32T1, Seq, 4K] (Default).')
parser.add_argument(
'-t',
'--test',
metavar='integer',
dest='test_num',
type=int,
default=None,
required=False,
nargs='+',
help='Available test [1. Seq Q32T1], [2. 4K Q32T1], [3. Seq], [4. 4K].')
parser.add_argument('-s',
'--size',
metavar='String',
dest='test_size',
type=str,
default=None,
required=False,
nargs='+',
help='IO test file size (Default 2g)')
parser.add_argument(
'-f',
'--file',
metavar='String',
dest='test_file',
type=str,
default=None,
required=False,
nargs='+',
help='IO test file path (Default {})'.format(defult_path))
parser.add_argument('-o',
'--output',
metavar='String',
dest='output_file',
type=str,
default=None,
required=False,
nargs='+',
help='Save result to file instead of stdout')
args = parser.parse_args()
# get opts.
test1 = False
test2 = False
test3 = False
test4 = False
if args.test_num is None or args.alltest:
test1 = True
test2 = True
test3 = True
test4 = True
else:
if not all(elem in range(1, 4) for elem in args.test_num):
raise ValueError('invalid test number')
else:
if 1 in args.test_num: test1 = True
if 2 in args.test_num: test2 = True
if 3 in args.test_num: test3 = True
if 4 in args.test_num: test4 = True
if args.test_size is None:
test_size = '2g'
else:
test_size = "".join(args.test_size)
if args.test_file is None:
test_file = defult_path
else:
test_file = "".join(args.test_file)
if args.output_file is None:
to_file=False
else:
to_file=True
output_file = "".join(args.output_file)
print(R + 'Following item will be test:\n' + N)
if test1: print('- Seq Q32T1')
if test2: print('- 4K Q32T1')
if test3: print('- Seq')
if test4: print('- 4K')
print
if test1:
print(
Y +
'Test Sequential (Block Size=128KiB) Read with Queuedepth=32 Thread=1'
+ N)
cmd = FioTest(name="Seq-Q32T1",
rw="read",
iodepth=32,
ioengine="libaio",
direct=1,
bs="128k",
size=test_size,
runtime=60,
filename=test_file)
cmd.saveResult()
print(
Y +
'Test Sequential (Block Size=128KiB) Write with Queuedepth=32 Thread=1'
+ N)
cmd = FioTest(name="Seq-Q32T1",
rw="write",
iodepth=32,
ioengine="libaio",
direct=1,
bs="128k",
size=test_size,
runtime=60,
filename=test_file)
cmd.saveResult()
if test2:
print(Y + 'Test Random 4KiB Read with Queuedepth=32 Thread=1' + N)
cmd = FioTest(name="4K-Q32T1",
rw="randread",
iodepth=32,
ioengine="libaio",
direct=1,
bs="4k",
size=test_size,
runtime=60,
filename=test_file)
cmd.saveResult()
print(Y + 'Test Random 4KiB Write with Queuedepth=32 Thread=1' + N)
cmd = FioTest(name="4K-Q32T1",
rw="randwrite",
iodepth=32,
ioengine="libaio",
direct=1,
bs="4k",
size=test_size,
runtime=60,
filename=test_file)
cmd.saveResult()
if test3:
print(
Y +
'Test Sequential (Block Size=1MiB) Read with Queuedepth=1 Thread=1'
+ N)
cmd = FioTest(name="Seq",
rw="read",
iodepth=1,
ioengine="libaio",
direct=1,
bs="1m",
size=test_size,
runtime=60,
filename=test_file)
cmd.saveResult()
print(
Y +
'Test Sequential (Block Size=1MiB) Write with Queuedepth=1 Thread=1'
+ N)
cmd = FioTest(name="Seq",
rw="write",
iodepth=1,
ioengine="libaio",
direct=1,
bs="1m",
size=test_size,
runtime=60,
filename=test_file)
cmd.saveResult()
if test4:
print(Y + 'Test Random 4KiB Read with Queuedepth=1 Thread=1' + N)
cmd = FioTest(name="4K",
rw="randread",
iodepth=1,
ioengine="libaio",
direct=1,
bs="4k",
size=test_size,
runtime=60,
filename=test_file)
cmd.saveResult()
print(Y + 'Test Random 4KiB Write with Queuedepth=1 Thread=1' + N)
cmd = FioTest(name="4K",
rw="randwrite",
iodepth=1,
ioengine="libaio",
direct=1,
bs="4k",
size=test_size,
runtime=60,
filename=test_file)
cmd.saveResult()
cleanup(filename=test_file)
if to_file:
outputResult(filename=output_file)
else:
printResult()