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-rwxr-xr-xsrc/spdk/scripts/perf/nvme/run_fio_test.py166
1 files changed, 166 insertions, 0 deletions
diff --git a/src/spdk/scripts/perf/nvme/run_fio_test.py b/src/spdk/scripts/perf/nvme/run_fio_test.py
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+++ b/src/spdk/scripts/perf/nvme/run_fio_test.py
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+#!/usr/bin/env python3
+
+# This script runs fio benchmark test on the local nvme device using the SPDK NVMe driver.
+# Prework: Run script/setup.sh to bind SSDs to SPDK driver.
+# Prework: Change any fio configurations in the template fio config file fio_test.conf
+# Output: A csv file <hostname>_<num ssds>_perf_output.csv
+
+import subprocess
+from subprocess import check_call, call, check_output, Popen, PIPE
+import random
+import os
+import sys
+import re
+import signal
+import getopt
+from datetime import datetime
+from itertools import *
+import csv
+import itertools
+from shutil import copyfile
+import json
+
+# Populate test parameters into these lists to run different workloads
+# The configuration below runs QD 1 & 128. To add QD 32 set q_depth=['1', '32', '128']
+q_depth = ['1', '128']
+# io_size specifies the size in bytes of the IO workload.
+# To add 64K IOs set io_size = ['4096', '65536']
+io_size = ['4096']
+workload_type = ['randrw']
+mix = ['100']
+core_mask = ['0x1']
+# run_time parameter specifies how long to run each test.
+# Set run_time = ['600'] to run the test for 10 minutes
+run_time = ['60']
+# iter_num parameter is used to run the test multiple times.
+# set iter_num = ['1', '2', '3'] to repeat each test 3 times
+iter_num = ['1']
+
+
+def run_fio(io_size_bytes, qd, rw_mix, cpu_mask, run_num, workload, run_time_sec):
+ print("Running Test: IO Size={} QD={} Mix={} CPU Mask={}".format(io_size_bytes, qd, rw_mix, cpu_mask))
+ string = "s_" + str(io_size_bytes) + "_q_" + str(qd) + "_m_" + str(rw_mix) + "_c_" + str(cpu_mask) + "_run_" + str(run_num)
+
+ # Call fio
+ path_to_fio_conf = config_file_for_test
+ path_to_ioengine = sys.argv[2]
+ command = "BLK_SIZE=" + str(io_size_bytes) + " RW=" + str(workload) + " MIX=" + str(rw_mix) \
+ + " IODEPTH=" + str(qd) + " RUNTIME=" + str(run_time_sec) + " IOENGINE=" + path_to_ioengine \
+ + " fio " + str(path_to_fio_conf) + " -output=" + string + " -output-format=json"
+ output = subprocess.check_output(command, shell=True)
+
+ print("Finished Test: IO Size={} QD={} Mix={} CPU Mask={}".format(io_size_bytes, qd, rw_mix, cpu_mask))
+ return
+
+
+def parse_results(io_size_bytes, qd, rw_mix, cpu_mask, run_num, workload, run_time_sec):
+ results_array = []
+
+ # If json file has results for multiple fio jobs pick the results from the right job
+ job_pos = 0
+
+ # generate the next result line that will be added to the output csv file
+ results = str(io_size_bytes) + "," + str(qd) + "," + str(rw_mix) + "," \
+ + str(workload) + "," + str(cpu_mask) + "," + str(run_time_sec) + "," + str(run_num)
+
+ # Read the results of this run from the test result file
+ string = "s_" + str(io_size_bytes) + "_q_" + str(qd) + "_m_" + str(rw_mix) + "_c_" + str(cpu_mask) + "_run_" + str(run_num)
+ with open(string) as json_file:
+ data = json.load(json_file)
+ job_name = data['jobs'][job_pos]['jobname']
+ # print "FIO job name: ", job_name
+ if 'lat_ns' in data['jobs'][job_pos]['read']:
+ lat = 'lat_ns'
+ lat_units = 'ns'
+ else:
+ lat = 'lat'
+ lat_units = 'us'
+ read_iops = float(data['jobs'][job_pos]['read']['iops'])
+ read_bw = float(data['jobs'][job_pos]['read']['bw'])
+ read_avg_lat = float(data['jobs'][job_pos]['read'][lat]['mean'])
+ read_min_lat = float(data['jobs'][job_pos]['read'][lat]['min'])
+ read_max_lat = float(data['jobs'][job_pos]['read'][lat]['max'])
+ write_iops = float(data['jobs'][job_pos]['write']['iops'])
+ write_bw = float(data['jobs'][job_pos]['write']['bw'])
+ write_avg_lat = float(data['jobs'][job_pos]['write'][lat]['mean'])
+ write_min_lat = float(data['jobs'][job_pos]['write'][lat]['min'])
+ write_max_lat = float(data['jobs'][job_pos]['write'][lat]['max'])
+ print("%-10s" % "IO Size", "%-10s" % "QD", "%-10s" % "Mix",
+ "%-10s" % "Workload Type", "%-10s" % "CPU Mask",
+ "%-10s" % "Run Time", "%-10s" % "Run Num",
+ "%-15s" % "Read IOps",
+ "%-10s" % "Read MBps", "%-15s" % "Read Avg. Lat(" + lat_units + ")",
+ "%-15s" % "Read Min. Lat(" + lat_units + ")", "%-15s" % "Read Max. Lat(" + lat_units + ")",
+ "%-15s" % "Write IOps",
+ "%-10s" % "Write MBps", "%-15s" % "Write Avg. Lat(" + lat_units + ")",
+ "%-15s" % "Write Min. Lat(" + lat_units + ")", "%-15s" % "Write Max. Lat(" + lat_units + ")")
+ print("%-10s" % io_size_bytes, "%-10s" % qd, "%-10s" % rw_mix,
+ "%-10s" % workload, "%-10s" % cpu_mask, "%-10s" % run_time_sec,
+ "%-10s" % run_num, "%-15s" % read_iops, "%-10s" % read_bw,
+ "%-15s" % read_avg_lat, "%-15s" % read_min_lat, "%-15s" % read_max_lat,
+ "%-15s" % write_iops, "%-10s" % write_bw, "%-15s" % write_avg_lat,
+ "%-15s" % write_min_lat, "%-15s" % write_max_lat)
+ results = results + "," + str(read_iops) + "," + str(read_bw) + "," \
+ + str(read_avg_lat) + "," + str(read_min_lat) + "," + str(read_max_lat) \
+ + "," + str(write_iops) + "," + str(write_bw) + "," + str(write_avg_lat) \
+ + "," + str(write_min_lat) + "," + str(write_max_lat)
+ with open(result_file_name, "a") as result_file:
+ result_file.write(results + "\n")
+ results_array = []
+ return
+
+
+def get_nvme_devices_count():
+ output = check_output('lspci | grep -i Non | wc -l', shell=True)
+ return int(output)
+
+
+def get_nvme_devices_bdf():
+ output = check_output('lspci | grep -i Non | awk \'{print $1}\'', shell=True).decode("utf-8")
+ output = output.split()
+ return output
+
+
+def add_filename_to_conf(conf_file_name, bdf):
+ filestring = "filename=trtype=PCIe traddr=0000." + bdf.replace(":", ".") + " ns=1"
+ with open(conf_file_name, "a") as conf_file:
+ conf_file.write(filestring + "\n")
+
+
+if len(sys.argv) != 4:
+ print("usage: " % sys.argv[0] % " path_to_fio_conf path_to_ioengine num_ssds")
+ sys.exit()
+
+num_ssds = int(sys.argv[3])
+if num_ssds > get_nvme_devices_count():
+ print("System does not have {} NVMe SSDs.".format(num_ssds))
+ sys.exit()
+
+host_name = os.uname()[1]
+result_file_name = host_name + "_" + sys.argv[3] + "ssds_perf_output.csv"
+
+bdf = get_nvme_devices_bdf()
+config_file_for_test = sys.argv[1] + "_" + sys.argv[3] + "ssds"
+copyfile(sys.argv[1], config_file_for_test)
+
+# Add the number of threads to the fio config file
+with open(config_file_for_test, "a") as conf_file:
+ conf_file.write("numjobs=" + str(1) + "\n")
+
+# Add the NVMe bdf to the fio config file
+for i in range(0, num_ssds):
+ add_filename_to_conf(config_file_for_test, bdf[i])
+
+# Set up for output
+columns = "IO_Size,Q_Depth,Workload_Mix,Workload_Type,Core_Mask,Run_Time,Run,Read_IOPS,Read_bw(KiB/s), \
+ Read_Avg_lat(us),Read_Min_Lat(us),Read_Max_Lat(us),Write_IOPS,Write_bw(KiB/s),Write_Avg_lat(us), \
+ Write_Min_Lat(us),Write_Max_Lat(us)"
+
+with open(result_file_name, "w+") as result_file:
+ result_file.write(columns + "\n")
+
+for i, (s, q, m, w, c, t) in enumerate(itertools.product(io_size, q_depth, mix, workload_type, core_mask, run_time)):
+ run_fio(s, q, m, c, i, w, t)
+ parse_results(s, q, m, c, i, w, t)
+
+result_file.close()