diff options
Diffstat (limited to 'src/spdk/scripts/perf/nvme/run_fio_test.py')
| -rwxr-xr-x | src/spdk/scripts/perf/nvme/run_fio_test.py | 166 |
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 new file mode 100755 index 00000000..79d9e566 --- /dev/null +++ b/src/spdk/scripts/perf/nvme/run_fio_test.py @@ -0,0 +1,166 @@ +#!/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() |