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ezfio.py
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#!/usr/bin/python
# ezfio 1.0
#
# ------------------------------------------------------------------------
# ezfio is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# ezfio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with ezfio. If not, see <http://www.gnu.org/licenses/>.
# ------------------------------------------------------------------------
#
# Usage: ./ezfio.py -d </dev/node> [-u <100..1>]
# Example: ./ezfio.py -d /dev/nvme0n1 -u 100
#
# This script requires root privileges so must be run as "root" or
# via "sudo ./ezfio.py"
#
# Please be sure to have FIO installed, or you will be prompted to install
# and re-run the script.
import argparse
import base64
import datetime
import json
import os
import platform
import pwd
import re
import shutil
import socket
import subprocess
import sys
import threading
import time
import zipfile
def AppendFile(text, filename):
"""Equivalent to >> in BASH, append a line to a text file."""
with open(filename, "a") as f:
f.write(text)
f.write("\n")
def Run(cmd):
"""Run a cmd[], return the exit code, stdout, and stderr."""
proc=subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out = proc.stdout.read()
err = proc.stderr.read()
code = proc.wait()
return code, out, err
def CheckAdmin():
"""Check that we have root privileges for disk access, abort if not."""
if ( os.geteuid() != 0 ):
sys.stderr.write("Root privileges are required for low-level disk ")
sys.stderr.write("access.\nPlease restart this script as root ")
sys.stderr.write("(sudo) to continue.\n")
sys.exit(1)
def FindFIO():
"""Try the path and the CWD for a FIO executable, return path or exit."""
# Determine if FIO is in path or CWD
try:
ret, out, err = Run(["fio", "-v"])
if (ret == 0):
return "fio"
except:
try:
ret, out, err = Run(['./fio', '-v'])
if (ret == 0):
return "./fio"
except:
sys.stderr.write("FIO is required to run IO tests.\n")
sys.stderr.write("The latest versions can be found at ")
sys.stderr.write("https://github.com/axboe/fio.\n")
sys.exit(1)
def CheckFIOVersion():
"""Check that we have a version of FIO installed that we can use."""
global fio, fioVerString, fioOutputFormat
code, out, err = Run( [fio, '--version'] )
try:
fioVerString = out.split('\n')[0].rstrip()
ver = out.split('\n')[0].rstrip().split('-')[1].split('.')[0]
if int(ver) < 2:
sys.stderr.write("ERROR: FIO version " + ver + " unsupported, ")
sys.stderr.write("version 2.0 or later required. Exiting.\n")
sys.exit(2)
except:
sys.stderr.write("ERROR: Unable to determine version of fio ")
sys.stderr.write("installed. Exiting.\n")
sys.exit(2)
# Now see if we can make exceedance charts
# Can't just try --output-format=json+ because the FIO in Ubuntu 16.04
# repo doesn't understand it and *silently ignores ir*. Instead, use
# the help output to see if "json+" exists at all...
try:
code, out, err = Run( [fio, '--help'] )
if (code == 0) and ("json+" in out):
fioOutputFormat = "json+"
except:
pass
def CheckAIOLimits():
"""Ensure kernel AIO max transactions is large enough to run test."""
global aioNeeded
# If anything fails, silently continue. FIO will give error if it
# can't run due to the AIO setting later on.
try:
code, out, err = Run(['cat', '/proc/sys/fs/aio-max-nr'])
if (code == 0):
aiomaxnr = int(out.split("\n")[0].rstrip())
if aiomaxnr < int(aioNeeded):
sys.stderr.write("ERROR: The kernel's maximum outstanding async IO setting (aio-max-nr) is too\n")
sys.stderr.write(" low to complete the test run. Required value is " + str(aioNeeded) + ", current is " + str(aiomaxnr) +"\n")
sys.stderr.write(" To fix this temporarially, please execute the following command:\n")
sys.stderr.write(" sudo sysctl -w fs.aio-max-nr=" + str(aioNeeded) +"\n")
sys.stderr.write("Unable to continue. Exiting.\n");
sys.exit(2)
except:
pass
def ParseArgs():
"""Parse command line options into globals."""
global physDrive, utilization, outputDest, yes
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
description="A tool to easily run FIO to benchmark sustained " \
"performance of NVME\nand other types of SSD.",
epilog="""
Requirements:\n
* Root access (log in as root, or sudo {prog})
* No filesytems or data on target device
* FIO IO tester (available https://github.com/axboe/fio)
* sdparm to identify the NVME device and serial number
WARNING: All data on the target device will be DESTROYED by this test.""")
parser.add_argument("--drive", "-d", dest = "physDrive",
help="Device to test (ex: /dev/nvme0n1)", required=True)
parser.add_argument("--utilization", "-u", dest="utilization",
help="Amount of drive to test (in percent), 1...100", default="100",
type=int, required=False)
parser.add_argument("--output", "-o", dest="outputDest",
help="Location where results should be saved", required=False)
parser.add_argument("--yes", dest="yes", action='store_true',
help="Skip the final warning prompt (for scripted tests)",
required=False)
args = parser.parse_args()
physDrive = args.physDrive
utilization = args.utilization
outputDest = args.outputDest
yes = args.yes
if (utilization < 1) or (utilization > 100):
print "ERROR: Utilization must be between 1...100"
parser.print_help()
sys.exit(1)
# Sanity check that the selected drive is not mounted by parsing mounts
# This is not guaranteed to catch all as there's just too many different
# naming conventions out there. Let's cover simple HDD/SSD/NVME patterns
if ( re.match('.*p?[1-9][0-9]*$', physDrive) and
not re.match('.*/nvme[0-9]+n[1-9][0-9]*$', physDrive) ):
pdispart = True
else:
pdispart = False
hit = ""
with open("/proc/mounts", "r") as f:
mounts = f.readlines()
for l in mounts:
dev = l.split()[0]
mnt = l.split()[1]
if dev == physDrive:
hit = dev + " on " + mnt # Obvious exact match
if pdispart:
chkdev = dev
else:
# /dev/sdp# is special case, don't remove the "p"
if re.match('^/dev/sdp.*$', dev):
chkdev = re.sub('[1-9][0-9]*$', '', dev)
else:
# Need to see if mounted partition is on a raw device being tested
chkdev = re.sub('p?[1-9][0-9]*$', '', dev)
if chkdev == physDrive: hit = dev + " on " + mnt
if hit != "" :
print "ERROR: Mounted volume '" + str(hit) + "' is on same device",
print "as tested device '" + str(physDrive) + "'. ABORTING."
sys.exit(2)
def CollectSystemInfo():
"""Collect some OS and CPU information."""
global cpu, cpuCores, cpuFreqMHz, uname
uname = " ".join(platform.uname())
code, cpuinfo, err = Run(['cat', '/proc/cpuinfo'])
cpuinfo = cpuinfo.split("\n")
if 'ppc64' in uname:
# Implement grep and sed in Python...
cpu = filter(lambda x:re.search(r'model', x), cpuinfo)[0].split(': ')[1].replace('(R)','').replace('(TM)','')
cpuCores = len(filter(lambda x:re.search('processor', x), cpuinfo))
try:
code, dmidecode, err = Run(['dmidecode', '--type', 'processor'])
cpuFreqMHz = int(round(float(filter(lambda x: re.search('Current Speed', x), dmidecode.split("\n"))[0].rstrip().lstrip().split(" ")[2])))
except:
cpuFreqMHz = int(round(float(filter(lambda x:re.search('clock', x), cpuinfo)[0].split(': ')[1][:-3])))
else:
cpu = filter(lambda x:re.search(r'model name', x), cpuinfo)[0].split(': ')[1].replace('(R)','').replace('(TM)','')
cpuCores = len(filter(lambda x:re.search('model name', x), cpuinfo))
try:
code, dmidecode, err = Run(['dmidecode', '--type', 'processor'])
cpuFreqMHz = int(round(float(filter(lambda x: re.search('Current Speed', x), dmidecode.split("\n"))[0].rstrip().lstrip().split(" ")[2])))
except:
cpuFreqMHz = int(round(float(filter(lambda x:re.search('cpu MHz', x), cpuinfo)[0].split(': ')[1])))
def VerifyContinue():
"""User's last chance to abort the test. Exit if they don't agree."""
if not yes:
print "-" * 75
print "WARNING! " * 9
print "THIS TEST WILL DESTROY ANY DATA AND FILESYSTEMS ON ",
print physDrive +"\n"
cont = raw_input("Please type the word \"yes\" and hit return to " +
"continue, or anything else to abort.\n")
print "-" * 75 + "\n"
if cont != "yes":
print "Performance test aborted, drive is untouched.\n"
sys.exit(1)
def CollectDriveInfo():
"""Get important device information, exit if not possible."""
global physDriveGiB, physDriveGB, physDriveBase, testcapacity
global model, serial, physDrive
# We absolutely need this information
try:
physDriveBase = os.path.basename(physDrive)
code, physDriveBytes, err=Run(['blockdev', '--getsize64', physDrive])
if code != 0:
raise Exception("Can't get drive size for " + physDrive)
physDriveGB = (long(physDriveBytes))/(1000 * 1000 * 1000)
physDriveGiB = (long(physDriveBytes))/(1024 * 1024 * 1024)
testcapacity = (physDriveGiB * utilization) / 100
except:
print "ERROR: Can't get '" + physDrive + "' size. ",
print "Incorrect device name?"
sys.exit(1)
# These are nice to have, but we can run without it
model = "UNKNOWN"
serial = "UNKNOWN"
try:
sdparmcmd = ['sdparm', '--page', 'sn', '--inquiry', '--long',
physDrive]
code, sdparm, err = Run(sdparmcmd)
lines = sdparm.split("\n")
if len(lines) == 4:
model=re.sub("\s+", " ", lines[0].split(":")[1].lstrip().rstrip())
serial = re.sub("\s+", " ", lines[2].lstrip().rstrip())
else:
print "Unable to identify drive using sdparm. Continuing."
except:
print "Install sdparm to allow model/serial extraction. Continuing."
def CSVInfoHeader(f):
"""Headers to the CSV file (ending up in the ODS at the test end)."""
global physDrive, model, serial, physDriveGiB, testcapacity
global cpu, cpuCores, cpuFreqMHz, uname
AppendFile("Drive," + str(physDrive), f)
AppendFile("Model," + str(model), f)
AppendFile("Serial," + str(serial), f)
AppendFile("AvailCapacity," + str(physDriveGiB) + ",GiB", f)
AppendFile("TestedCapacity," + str(testcapacity) + ",GiB", f)
AppendFile("CPU," + str(cpu), f)
AppendFile("Cores," + str(cpuCores), f)
AppendFile("Frequency," + str(cpuFreqMHz), f)
AppendFile("OS," + str(uname), f)
AppendFile("FIOVersion," + str(fioVerString), f)
def SetupFiles():
"""Set up names for all output/input files, place headers on CSVs."""
global ds, details, testcsv, timeseriescsv, odssrc, odsdest
global physDriveBase, fioVerString, outputDest
# Datestamp for run output files
ds = datetime.datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
# The unique suffix we generate for all output files
suffix = str(physDriveGB) + "GB_" + str(cpuCores) + "cores_"
suffix += str(cpuFreqMHz) + "MHz_" + physDriveBase + "_"
suffix += socket.gethostname() + "_" + ds
if not outputDest:
outputDest = os.getcwd()
# The "details" directory contains the raw output of each FIO run
details = outputDest + "/details_" + suffix
if os.path.exists(details):
shutil.rmtree(details)
os.makedirs(details)
# Copy this script into it for posterity
shutil.copyfile(__file__, details + "/" + os.path.basename(__file__) )
# Files we're going to generate, encode some system info in the names
# If the output files already exist, erase them
testcsv = details + "/ezfio_tests_"+suffix+".csv"
if os.path.exists(testcsv):
os.unlink(testcsv)
CSVInfoHeader(testcsv)
AppendFile("Type,Write %,Block Size,Threads,Queue Depth/Thread,IOPS," +
"Bandwidth (MB/s),Read Latency (us),Write Latency (us)",
testcsv)
timeseriescsv = details + "/ezfio_timeseries_"+suffix+".csv"
if os.path.exists(timeseriescsv):
os.unlink(timeseriescsv)
CSVInfoHeader(timeseriescsv)
AppendFile("IOPS", timeseriescsv) # Add IOPS header
# ODS input and output files
odssrc = os.path.dirname( os.path.realpath(__file__) ) + "/original.ods"
if not os.path.exists(odssrc):
print "ERROR: Can't find original ODS spreadsheet '" + odssrc + "'. ",
sys.exit(1)
odsdest = outputDest + "/ezfio_results_"+suffix+".ods"
if os.path.exists(odsdest):
os.unlink(odsdest)
class FIOError(Exception):
"""Exception generated when FIO returns a non-success value
Attributes:
cmdline -- The FIO command that was executed
code -- Error code FIO returned
stderr -- STDERR output from FIO
stdout -- STDOUT output from FIO
"""
def __init__(self, cmdline, code, stderr, stdout):
self.cmdline = cmdline
self.code = code
self.stderr = stderr
self.stdout = stdout
def TestName(seqrand, wmix, bs, threads, iodepth):
"""Return full path and filename prefix for test of specified params"""
global details, physDriveBase
testfile = str(details) + "/Test" + str(seqrand) + "_w" + str(wmix)
testfile += "_bs" + str(bs) + "_threads" + str(threads) + "_iodepth"
testfile += str(iodepth) + "_" + str(physDriveBase) + ".out"
return testfile
def SequentialConditioning():
"""Sequentially fill the complete capacity of the drive once."""
# Note that we can't use regular test runner because this test needs
# to run for a specified # of bytes, not a specified # of seconds.
cmdline = [fio, "--name=SeqCond", "--readwrite=write", "--bs=128k",
"--ioengine=libaio", "--iodepth=64", "--direct=1",
"--filename=" + physDrive, "--size=" + str(testcapacity) + "G",
"--thread"]
code, out, err = Run(cmdline)
if code != 0:
raise FIOError(" ".join(cmdline), code , err, out)
else:
return "DONE", "DONE", "DONE"
def RandomConditioning():
"""Randomly write entire device for the full capacity"""
# Note that we can't use regular test runner because this test needs
# to run for a specified # of bytes, not a specified # of seconds.
cmdline = [fio, "--name=RandCond", "--readwrite=randwrite", "--bs=4k",
"--invalidate=1", "--end_fsync=0", "--group_reporting",
"--direct=1", "--filename=" + str(physDrive),
"--size=" + str(testcapacity) + "G", "--ioengine=libaio",
"--iodepth=256", "--norandommap", "--randrepeat=0", "--thread"]
code, out, err = Run(cmdline)
if code != 0:
raise FIOError(" ".join(cmdline), code , err, out)
else:
return "DONE", "DONE", "DONE"
def RunTest(iops_log, seqrand, wmix, bs, threads, iodepth, runtime):
"""Runs the specified test, generates output CSV lines."""
def IOStatThread(**kwargs):
"""Collect 1-second interval IOPS values to a CSV."""
starttime = datetime.datetime.now()
stoptime = starttime + datetime.timedelta(0, int(o['runtime']))
statpath = "/sys/block/"+physDriveBase+"/stat"
if not os.path.exists(statpath):
base = re.sub("p?[0-9]+$", "", physDriveBase)
statpath = "/sys/block/"+base+"/stat"
with open(statpath, "r") as f:
stat = f.read().rstrip().split()
readstart = long(stat[0])
writestart = long(stat[4])
timeseries = open(timeseriescsv, "a")
now = starttime
while now < stoptime:
time.sleep(1)
with open(statpath, "r") as f:
stat = f.read().rstrip().split()
readend = long(stat[0])
writeend = long(stat[4])
iops = (readend - readstart) + (writeend - writestart)
readstart = readend
writestart = writeend
timeseries.write(str(iops) + "\n")
timeseries.flush()
now = datetime.datetime.now()
timeseries.close()
# Taken from fio_latency2csv.py - needed to convert funky semi-log to normal latencies
def plat_idx_to_val(idx, FIO_IO_U_PLAT_BITS=6, FIO_IO_U_PLAT_VAL=64):
# MSB <= (FIO_IO_U_PLAT_BITS-1), cannot be rounded off. Use
# all bits of the sample as index
if (idx < (FIO_IO_U_PLAT_VAL << 1)):
return idx
# Find the group and compute the minimum value of that group
error_bits = (idx >> FIO_IO_U_PLAT_BITS) - 1
base = 1 << (error_bits + FIO_IO_U_PLAT_BITS)
# Find its bucket number of the group
k = idx % FIO_IO_U_PLAT_VAL
# Return the mean of the range of the bucket
return (base + ((k + 0.5) * (1 << error_bits)))
def WriteExceedance(j, rdwr, outfile):
"""Generate an exceedance CSV for read or write from JSON output."""
global fioOutputFormat
if (fioOutputFormat == "json"):
return # This data not present in JSON format, only JSON+
ios = j['jobs'][0][rdwr]['total_ios']
if ios:
runttl = 0;
# This was changed in 2.99 to be in nanoseconds and to discard the crazy _bits magic
if float(fioVerString.split('-')[1]) >= 2.99:
lat_ns = [];
# JSON dict has keys of type string, need a sorted integer list for our work...
for entry in j['jobs'][0][rdwr]['clat_ns']['bins']:
lat_ns.append(int(entry))
for entry in sorted(lat_ns):
lat_us = float(entry) / 1000.0
cnt = int(j['jobs'][0][rdwr]['clat_ns']['bins'][str(entry)])
runttl += cnt
pctile = 1.0 - float(runttl) / float(ios);
if cnt > 0:
AppendFile(",".join((str(lat_us), str(pctile))), outfile)
else:
plat_bits = j['jobs'][0][rdwr]['clat']['bins']['FIO_IO_U_PLAT_BITS']
plat_val = j['jobs'][0][rdwr]['clat']['bins']['FIO_IO_U_PLAT_VAL']
for b in range(0, int(j['jobs'][0][rdwr]['clat']['bins']['FIO_IO_U_PLAT_NR'])):
cnt = int(j['jobs'][0][rdwr]['clat']['bins'][str(b)])
runttl += cnt
pctile = 1.0 - float(runttl) / float(ios);
if cnt > 0:
AppendFile(",".join((str(plat_idx_to_val(b, plat_bits, plat_val)), str(pctile))), outfile)
# Output file names
testfile = TestName(seqrand, wmix, bs, threads, iodepth)
if seqrand == "Seq":
rw = "rw"
else:
rw = "randrw"
if iops_log:
o={}
o['runtime'] = runtime
iostat = threading.Thread(target=IOStatThread, kwargs=(o))
iostat.start()
cmdline = [fio, "--name=test", "--readwrite=" + str(rw),
"--rwmixwrite=" + str(wmix), "--bs=" + str(bs),
"--invalidate=1", "--end_fsync=0", "--group_reporting",
"--direct=1", "--filename=" + str(physDrive),
"--size=" + str(testcapacity) + "G", "--time_based",
"--runtime=" + str(runtime), "--ioengine=libaio",
"--numjobs=" + str(threads), "--iodepth=" + str(iodepth),
"--norandommap", "--randrepeat=0", "--thread",
"--output-format=" + str(fioOutputFormat), "--exitall"]
AppendFile(" ".join(cmdline), testfile)
# There are some NVME drives with 4k physical and logical out there.
# Check that we can actually do this size IO, OTW return 0 for all
skiptest = False
code, out, err = Run(['blockdev', '--getiomin', str(physDrive)])
if code == 0:
iomin = int(out.split("\n")[0])
if int(bs) < iomin: skiptest = True
# Silently ignore failure to return min block size, FIO will fail and
# we'll catch that a little later.
if skiptest:
code = 0
out = "Test not run because block size " + str(bs)
out += " below iominsize " + str(iomin) + "\n"
out += "3;" + "0;" * 100 + "\n" # Bogus 0-filled resulte line
err = ""
else:
code, out, err = Run(cmdline)
AppendFile("[STDOUT]", testfile)
AppendFile(out, testfile)
AppendFile("[STDERR]", testfile)
AppendFile(err, testfile)
# Make sure we had successful completion, else note and abort run
if code != 0:
AppendFile("ERROR", testcsv)
raise FIOError(" ".join(cmdline), code, err, out)
if iops_log:
iostat.join()
if skiptest:
rdiops = 0
wriops = 0
rlat = 0
wlat = 0
else:
j = json.loads(out)
rdiops = float(j['jobs'][0]['read']['iops']);
wriops = float(j['jobs'][0]['write']['iops']);
# 'lat' goes to 'lat_ns' in newest FIO JSON formats...ugh
try:
rlat = float(j['jobs'][0]['read']['lat_ns']['mean']) / 1000; # ns->us
except:
rlat = float(j['jobs'][0]['read']['lat']['mean']);
try:
wlat = float(j['jobs'][0]['write']['lat_ns']['mean']) / 1000; # ns->us
except:
wlat = float(j['jobs'][0]['write']['lat']['mean']);
iops = "{0:0.0f}".format( rdiops + wriops )
mbps = "{0:0.2f}".format((float( (rdiops+wriops) * bs ) /
( 1024.0 * 1024.0 )))
lat = "{0:0.1f}".format(max(rlat, wlat))
AppendFile( ",".join((str(seqrand), str(wmix), str(bs), str(threads),
str(iodepth), str(iops), str(mbps), str(rlat),
str(wlat))), testcsv)
if skiptest:
AppendFile("1,1\n", testfile + ".exc.read.csv")
AppendFile("1,1\n", testfile + ".exc.write.csv")
else:
WriteExceedance(j, 'read', testfile + ".exc.read.csv")
WriteExceedance(j, 'write', testfile + ".exc.write.csv")
return iops, mbps, lat
def DefineTests():
"""Generate the work list for the main worker into OC."""
global oc
# What we're shmoo-ing across
bslist = (512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072)
qdlist = (1, 2, 4, 8, 16, 32, 64, 128, 256)
threadslist = (1, 2, 4, 8, 16, 32, 64, 128, 256)
shorttime = 120 # Runtime of point tests
longtime = 1200 # Runtime of long-running tests
def AddTest( name, seqrand, writepct, blocksize, threads, qdperthread,
iops_log, runtime, desc, cmdline ):
if threads != "":
qd = int(threads) * int(qdperthread)
else:
qd = 0
dat = {}
dat['name'] = name
dat['seqrand'] = seqrand
dat['wmix'] = writepct
dat['bs'] = blocksize
dat['qd'] = qd
dat['qdperthread'] = qdperthread
dat['threads'] = threads
dat['bw'] = ''
dat['iops'] = ''
dat['lat'] = ''
dat['desc'] = desc
dat['iops_log'] = iops_log
dat['runtime'] = runtime
dat['cmdline'] = cmdline
oc.append(dat)
def DoAddTest(testname, seqrand, wmix, bs, threads, iodepth, desc,
iops_log, runtime):
AddTest(testname, seqrand, wmix, bs, threads, iodepth, iops_log,
runtime, desc, lambda o: {RunTest(o['iops_log'],
o['seqrand'], o['wmix'],
o['bs'], o['threads'],
o['qdperthread'],
o['runtime'])})
def AddTestBSShmoo():
AddTest(testname, 'Preparation', '', '', '', '', '', '', '',
lambda o: {AppendFile(o['name'], testcsv)} )
for bs in bslist:
desc = testname + ", BS=" + str(bs)
DoAddTest(testname, seqrand, wmix, bs, threads, iodepth, desc,
iops_log, runtime)
def AddTestQDShmoo():
AddTest(testname, 'Preparation', '', '', '', '', '', '', '',
lambda o: {AppendFile(o['name'], testcsv)} )
for iodepth in qdlist:
desc = testname + ", QD=" + str(iodepth)
DoAddTest(testname, seqrand, wmix, bs, threads, iodepth, desc,
iops_log, runtime)
def AddTestThreadsShmoo():
AddTest(testname, 'Preparation', '', '', '', '', '', '', '',
lambda o: { AppendFile(o['name'], testcsv ) } )
for threads in threadslist:
desc = testname + ", Threads=" + str(threads)
DoAddTest(testname, seqrand, wmix, bs, threads, iodepth, desc,
iops_log, runtime)
AddTest('Sequential Preconditioning', 'Preparation', '', '', '', '', '',
'', '', lambda o: {} ) # Only for display on-screen
AddTest('Sequential Preconditioning', 'Seq Pass 1', '100', '131072', '1',
'256', False, '', 'Sequential Preconditioning Pass 1',
lambda o: {SequentialConditioning()} )
AddTest('Sequential Preconditioning', 'Seq Pass 2', '100', '131072', '1',
'256', False, '', 'Sequential Preconditioning Pass 2',
lambda o: {SequentialConditioning()} )
testname = "Sustained Multi-Threaded Sequential Read Tests by Block Size"
seqrand = "Seq"
wmix=0
threads=1
runtime=shorttime
iops_log=False
iodepth=256
AddTestBSShmoo()
testname = "Sustained Multi-Threaded Random Read Tests by Block Size"
seqrand = "Rand"
wmix=0
threads=16
runtime=shorttime
iops_log=False
iodepth=16
AddTestBSShmoo()
testname = "Sequential Write Tests with Queue Depth=1 by Block Size"
seqrand = "Seq"
wmix=100
threads=1
runtime=shorttime
iops_log=False
iodepth=1
AddTestBSShmoo()
AddTest('Random Preconditioning', 'Preparation', '', '', '', '', '', '',
'', lambda o: {} ) # Only for display on-screen
AddTest('Random Preconditioning', 'Rand Pass 1', '100', '4096', '1',
'256', False, '', 'Random Preconditioning',
lambda o: {RandomConditioning()} )
AddTest('Random Preconditioning', 'Rand Pass 2', '100', '4096', '1',
'256', False, '', 'Random Preconditioning',
lambda o: {RandomConditioning()} )
testname = "Sustained 4KB Random Read Tests by Number of Threads"
seqrand = "Rand"
wmix=0
bs=4096
runtime=shorttime
iops_log=False
iodepth=1
AddTestThreadsShmoo()
testname = "Sustained 4KB Random mixed 30% Write Tests by Threads"
seqrand = "Rand"
wmix=30
bs=4096
runtime=shorttime
iops_log=False
iodepth=1
AddTestThreadsShmoo()
testname = "Sustained Perf Stability Test - 4KB Random 30% Write"
AddTest(testname, 'Preparation', '', '', '', '', '', '', '',
lambda o: {AppendFile(o['name'], testcsv)} )
seqrand = "Rand"
wmix=30
bs=4096
runtime=longtime
iops_log=True
iodepth=1
threads=256
DoAddTest(testname, seqrand, wmix, bs, threads, iodepth, testname,
iops_log, runtime)
testname = "Sustained 4KB Random Write Tests by Number of Threads"
seqrand = "Rand"
wmix=100
bs=4096
runtime=shorttime
iops_log=False
iodepth=1
AddTestThreadsShmoo()
testname = "Sustained Multi-Threaded Random Write Tests by Block Size"
seqrand = "Rand"
wmix=100
runtime=shorttime
iops_log=False
iodepth=16
threads=16
AddTestBSShmoo()
def RunAllTests():
"""Iterate through the OC work queue and run each job, show progress."""
global ret_iops, ret_mbps, ret_lat, fioVerString
# Determine some column widths to make format specifiers
maxlen = 0
for o in oc:
maxlen = max(maxlen, len(o['desc']))
descfmt = "{0:" + str(maxlen) + "}"
resfmt = "{1: >8} {2: >9} {3: >8}"
fmtstr = descfmt + " " + resfmt
def JobWrapper(**kwargs):
"""Thread wrapper to store return values for parent to read later."""
global ret_iops, ret_mbps, ret_lat, oc
# Until we know it's succeeded, we're in error
ret_iops = "ERROR"
ret_mbps = "ERROR"
ret_lat = "ERROR"
try:
val = o['cmdline'](o)
ret_iops = list(val)[0][0]
ret_mbps = list(val)[0][1]
ret_lat = list(val)[0][2]
except FIOError as e:
print "\nFIO Error!\n" + e.cmdline + "\nSTDOUT:\n" + e.stdout
print "STDERR:\n" + e.stderr
raise
except:
print "\nUnexpected error while running FIO job."
raise
print "*" * len(fmtstr.format("", "", "", ""))
print "ezFio test parameters:\n"
fmtinfo="{0: >20}: {1}"
print fmtinfo.format("Drive", str(physDrive))
print fmtinfo.format("Model", str(model))
print fmtinfo.format("Serial", str(serial))
print fmtinfo.format("AvailCapacity", str(physDriveGiB) + " GiB")
print fmtinfo.format("TestedCapacity", str(testcapacity) + " GiB")
print fmtinfo.format("CPU", str(cpu))
print fmtinfo.format("Cores", str(cpuCores))
print fmtinfo.format("Frequency", str(cpuFreqMHz))
print fmtinfo.format("FIO Version", str(fioVerString))
print "\n"
print fmtstr.format("Test Description", "BW(MB/s)", "IOPS", "Lat(us)")
print fmtstr.format("-"*maxlen, "-"*8, "-"*9, "-"*8)
for o in oc:
if o['desc'] == "":
# This is a header-printing job, don't thread out
print "\n" + fmtstr.format("---"+o['name']+"---", "", "", "")
sys.stdout.flush()
o['cmdline'](o)
else:
# This is a real test job, run it in a thread
if (sys.stdout.isatty()):
print fmtstr.format(o['desc'], "Runtime", "00:00:00", "..."),
print "\r",
else:
print descfmt.format(o['desc']),
sys.stdout.flush()
starttime = datetime.datetime.now()
job = threading.Thread(target=JobWrapper, kwargs=(o))
job.start()
while job.isAlive():
now = datetime.datetime.now()
delta = now - starttime
dstr = "{0:02}:{1:02}:{2:02}".format(delta.seconds / 3600,
(delta.seconds%3600)/60,
delta.seconds % 60)
if (sys.stdout.isatty()):
# Blink runtime to make it obvious stuff is happening
if (delta.seconds % 2) != 0:
print fmtstr.format(o['desc'], "Runtime", dstr, "..."),
print "\r",
else:
print fmtstr.format(o['desc'], "", dstr, "") + "\r",
sys.stdout.flush()
time.sleep(1)
job.join()
# Pretty-print with grouping, if possible
try:
ret_iops = "{:,}".format(int(ret_iops))
ret_mbps = "{:0,.2f}".format(float(ret_mbps))
except:
pass
if (sys.stdout.isatty()):
print fmtstr.format(o['desc'], ret_mbps, ret_iops, ret_lat)
else:
print " " + resfmt.format(o['desc'], ret_mbps, ret_iops, ret_lat)
sys.stdout.flush()
# On any error abort the test, all future results could be invalid
if ret_mbps == "ERROR":
print "ERROR DETECTED, ABORTING TEST RUN."
sys.exit(2)
def GenerateResultODS():
"""Builds a new ODS spreadsheet w/graphs from generated test CSV files."""
def GetContentXMLFromODS( odssrc ):
"""Extract content.xml from an ODS file, where the sheet lives."""
ziparchive = zipfile.ZipFile( odssrc )
content = ziparchive.read("content.xml")
content = content.replace("\n", "")
return content
def CSVtoXMLSheet(sheetName, csvName):
"""Replace a named sheet with the contents of a CSV file."""
newt = '<table:table table:name='
newt += '"' + sheetName + '"' + ' table:style-name="ta1" > '
newt += '<table:table-column table:style-name="co1" '
newt += 'table:default-cell-style-name="Default"/>'
# Insert the rows, one entry at a time
with open(csvName) as f:
for line in f:
line = line.rstrip()
newt += '<table:table-row table:style-name="ro1">'
for val in line.split(','):
try:
cell = '<table:table-cell office:value-type="float" '
cell += 'office:value="' + str(float(val))
cell += '" calcext:value-type="float"><text:p>'
cell += str(float(val)) + '</text:p></table:table-cell>'
except: # It's not a float, so let's call it a string
cell = '<table:table-cell office:value-type="string" '
cell += 'calcext:value-type="string"><text:p>'
cell += str(val) + '</text:p></table:table-cell>'
newt += cell
newt += '</table:table-row>'
f.close()
# Close the tags
newt += '</table:table>'
return newt
def ReplaceSheetWithCSV_regex(sheetName, csvName, xmltext):
"""Replace a named sheet with the contents of a CSV file."""
newt = CSVtoXMLSheet(sheetName, csvName)
# Replace the XML using lazy string matching
searchstr = '<table:table table:name="' + sheetName
searchstr += '.*?</table:table>'
return re.sub(searchstr, newt, xmltext)
def AppendSheetFromCSV(sheetName, csvName, xmltext):
"""Add a new sheet to the XML from the CSV file."""
newt = CSVtoXMLSheet(sheetName, csvName)
# Replace the XML using lazy string matching
searchstr = '<table:named-expressions/>'
return re.sub(searchstr, newt + searchstr, xmltext)
def UpdateContentXMLToODS_text( odssrc, odsdest, xmltext ):
"""Replace content.xml in an ODS w/an in-memory copy and write new.
Replace content.xml in an ODS file with in-memory, modified copy and
write new ODS. Can't just copy source.zip and replace one file, the
output ZIP file is not correct in many cases (opens in Excel but fails
ODF validation and LibreOffice fails to load under Windows).
Also strips out any binary versions of objects and the thumbnail,
since they are no longer valid once we've changed the data in the
sheet.
"""
if os.path.exists(odsdest):
os.unlink(odsdest)
# Windows ZipArchive will not use "Store" even with "no compression"
# so we need to have a mimetype.zip file encoded below to match spec:
mimetypezip = """
UEsDBAoAAAAAAOKbNUiFbDmKLgAAAC4AAAAIAAAAbWltZXR5cGVhcHBsaWNhdGlvbi92bmQub2Fz
aXMub3BlbmRvY3VtZW50LnNwcmVhZHNoZWV0UEsBAj8ACgAAAAAA4ps1SIVsOYouAAAALgAAAAgA
JAAAAAAAAACAAAAAAAAAAG1pbWV0eXBlCgAgAAAAAAABABgAAAyCUsVU0QFH/eNMmlTRAUf940ya
VNEBUEsFBgAAAAABAAEAWgAAAFQAAAAAAA==
"""
zipbytes = base64.b64decode( mimetypezip )
with open(odsdest, 'wb') as f:
f.write(zipbytes)
zasrc = zipfile.ZipFile(odssrc, 'r')
zadst = zipfile.ZipFile(odsdest, 'a', zipfile.ZIP_DEFLATED)
for entry in zasrc.namelist():
if entry == "mimetype":
continue
elif entry.endswith('/') or entry.endswith('\\'):
continue
elif entry == "content.xml":
zadst.writestr( "content.xml", xmltext)
elif ("Object" in entry) and ("content.xml" in entry):
# Remove <table:table table:name="local-table"> table
rdbytes = zasrc.read(entry)
outbytes = re.sub('<table:table table:name="local-table">.*</table:table>', "", rdbytes)
zadst.writestr(entry, outbytes)
elif entry == "META-INF/manifest.xml":
# Remove ObjectReplacements from the list
rdbytes = zasrc.read(entry)
outbytes = ""
lines = rdbytes.split("\n")
for line in lines:
if not ( ("ObjectReplacement" in line) or ("Thumbnails" in line) ):
outbytes = outbytes + line + "\n"
zadst.writestr(entry, outbytes)
elif ("Thumbnails" in entry) or ("ObjectReplacement" in entry):
# Skip binary versions
continue
else:
rdbytes = zasrc.read(entry)
zadst.writestr(entry, rdbytes)
zasrc.close()
zadst.close()
def CombineExceedanceCSV(qdList, testType, testWpct, testBS, testIOdepth, suffix):
"""Merge multiple exceedance CSVs into a single output file.
Column merge multiple CSV files into a single one. Complicated by
the fact that the number of columns in each may vary.
"""
csv = details + "/ezfio_exceedance_"+suffix+".csv"
if os.path.exists(csv):
os.unlink(csv)
CSVInfoHeader(csv)
line1 = ""
line2 = ""
for qd in qdList:
line1 = line1 + ("QD%d Read Exceedance,,QD%d Write Exceedance,,," % (qd, qd))
line2 = line2 + "rdusec,rdpct,wrusec,wrpct,,"
AppendFile(line1, csv)
AppendFile(line2, csv)
files = []
for qd in qdList:
try:
r = open( TestName(testType, testWpct, testBS, qd, testIOdepth) + ".exc.read.csv" )
except:
r = None
try:
w = open( TestName(testType, testWpct, testBS, qd, testIOdepth) + ".exc.write.csv" )
except:
w = None
files.append( [ r, w ] )
while True:
all_empty = True
l = ""
for fset in files:
if fset[0] is None:
a = ""
else:
a = fset[0].readline().strip()
if fset[1] is None:
b = ""
else:
b = fset[1].readline().strip()
l += (a + ",", ",,")[not a]
l += (b + ",", ",,")[not b]
l += ','
all_empty = all_empty and (not a) and (not b)
AppendFile( l, csv )
if all_empty:
break
return csv
global odssrc, timeseriescsv, testcsv, physDrive, testcapacity, model
global serial, uname, fioVerString, odsdest
xmlsrc = GetContentXMLFromODS( odssrc )
xmlsrc = ReplaceSheetWithCSV_regex( "Timeseries", timeseriescsv, xmlsrc )
xmlsrc = ReplaceSheetWithCSV_regex( "Tests", testcsv, xmlsrc )
# Potentially add exceedance data if we have it
if (fioOutputFormat == "json+"):
csv = CombineExceedanceCSV([1,4,16,32], "Rand", 30, 4096, 1, "exceedance30" )
xmlsrc = ReplaceSheetWithCSV_regex( "Exceedance", csv, xmlsrc )
# Remove draw:image references to deleted binary previews
xmlsrc = re.sub("<draw:image.*?/>", "", xmlsrc)
# OpenOffice doesn't recalculate these cells on load?!
xmlsrc = xmlsrc.replace( "_DRIVE", str(physDrive) )
xmlsrc = xmlsrc.replace( "_TESTCAP", str(testcapacity) )
xmlsrc = xmlsrc.replace ( "_MODEL", str(model) )
xmlsrc = xmlsrc.replace( "_SERIAL", str(serial) )
xmlsrc = xmlsrc.replace( "_OS", str(uname) )
xmlsrc = xmlsrc.replace( "_FIO", str(fioVerString) )