121 lines
3.2 KiB
Python
121 lines
3.2 KiB
Python
|
#!/usr/bin/env python
|
||
|
|
|
||
|
|
from subprocess import check_call, call, check_output, Popen, PIPE
|
||
|
|
import re
|
||
|
|
import sys
|
||
|
|
import signal
|
||
|
|
|
||
|
|
fio_template = """
|
||
|
|
[global]
|
||
|
|
thread=1
|
||
|
|
invalidate=1
|
||
|
|
rw=%(testtype)s
|
||
|
|
time_based=1
|
||
|
|
runtime=%(runtime)s
|
||
|
|
ioengine=libaio
|
||
|
|
direct=1
|
||
|
|
bs=%(blocksize)d
|
||
|
|
iodepth=%(iodepth)d
|
||
|
|
norandommap=1
|
||
|
|
%(verify)s
|
||
|
|
verify_dump=1
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
verify_template = """
|
||
|
|
do_verify=1
|
||
|
|
verify=crc32c-intel
|
||
|
|
"""
|
||
|
|
|
||
|
|
|
||
|
|
fio_job_template = """
|
||
|
|
[job%(jobnumber)d]
|
||
|
|
filename=%(device)s
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
def interrupt_handler(signum, frame):
|
||
|
|
fio.terminate()
|
||
|
|
print "FIO terminated"
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
def main():
|
||
|
|
|
||
|
|
global fio
|
||
|
|
if (len(sys.argv) < 5):
|
||
|
|
print "usage:"
|
||
|
|
print " " + sys.argv[0] + " <io_size> <queue_depth> <test_type> <runtime>"
|
||
|
|
print "advanced usage:"
|
||
|
|
print "If you want to run fio with verify, please add verify string after runtime."
|
||
|
|
print "Currently fio.py only support write rw randwrite randrw with verify enabled."
|
||
|
|
sys.exit(1)
|
||
|
|
|
||
|
|
io_size = int(sys.argv[1])
|
||
|
|
queue_depth = int(sys.argv[2])
|
||
|
|
test_type = sys.argv[3]
|
||
|
|
runtime = sys.argv[4]
|
||
|
|
if len(sys.argv) > 5:
|
||
|
|
verify = True
|
||
|
|
else:
|
||
|
|
verify = False
|
||
|
|
|
||
|
|
devices = get_target_devices()
|
||
|
|
print "Found devices: ", devices
|
||
|
|
|
||
|
|
configure_devices(devices)
|
||
|
|
fio_executable = '/usr/bin/fio'
|
||
|
|
|
||
|
|
device_paths = ['/dev/' + dev for dev in devices]
|
||
|
|
sys.stdout.flush()
|
||
|
|
signal.signal(signal.SIGTERM, interrupt_handler)
|
||
|
|
signal.signal(signal.SIGINT, interrupt_handler)
|
||
|
|
fio = Popen([fio_executable, '-'], stdin=PIPE)
|
||
|
|
fio.communicate(create_fio_config(io_size, queue_depth, device_paths, test_type, runtime, verify))
|
||
|
|
fio.stdin.close()
|
||
|
|
rc = fio.wait()
|
||
|
|
print "FIO completed with code %d\n" % rc
|
||
|
|
sys.stdout.flush()
|
||
|
|
sys.exit(rc)
|
||
|
|
|
||
|
|
def get_target_devices():
|
||
|
|
output = check_output('iscsiadm -m session -P 3', shell=True)
|
||
|
|
return re.findall("Attached scsi disk (sd[a-z]+)", output)
|
||
|
|
|
||
|
|
def create_fio_config(size, q_depth, devices, test, run_time, verify):
|
||
|
|
if not verify:
|
||
|
|
verifyfio = ""
|
||
|
|
else:
|
||
|
|
verifyfio = verify_template
|
||
|
|
fiofile = fio_template % {"blocksize": size, "iodepth": q_depth,
|
||
|
|
"testtype": test, "runtime": run_time, "verify": verifyfio}
|
||
|
|
for (i, dev) in enumerate(devices):
|
||
|
|
fiofile += fio_job_template % {"jobnumber": i, "device": dev}
|
||
|
|
return fiofile
|
||
|
|
|
||
|
|
def set_device_parameter(devices, filename_template, value):
|
||
|
|
for dev in devices:
|
||
|
|
filename = filename_template % dev
|
||
|
|
f = open(filename, 'r+b')
|
||
|
|
f.write(value)
|
||
|
|
f.close()
|
||
|
|
|
||
|
|
def configure_devices(devices):
|
||
|
|
set_device_parameter(devices, "/sys/block/%s/queue/nomerges", "2")
|
||
|
|
set_device_parameter(devices, "/sys/block/%s/queue/nr_requests", "128")
|
||
|
|
requested_qd = 128
|
||
|
|
qd = requested_qd
|
||
|
|
while qd > 0:
|
||
|
|
try:
|
||
|
|
set_device_parameter(devices, "/sys/block/%s/device/queue_depth", str(qd))
|
||
|
|
break
|
||
|
|
except IOError:
|
||
|
|
qd = qd - 1
|
||
|
|
if qd == 0:
|
||
|
|
print "Could not set block device queue depths."
|
||
|
|
else:
|
||
|
|
print "Requested queue_depth {} but only {} is supported.".format(str(requested_qd), str(qd))
|
||
|
|
set_device_parameter(devices, "/sys/block/%s/queue/scheduler", "noop")
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
main()
|