diff options
Diffstat (limited to 'drivers/staging/greybus/tools/lbtest')
| -rwxr-xr-x | drivers/staging/greybus/tools/lbtest | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/drivers/staging/greybus/tools/lbtest b/drivers/staging/greybus/tools/lbtest deleted file mode 100755 index 47c481239e98..000000000000 --- a/drivers/staging/greybus/tools/lbtest +++ /dev/null @@ -1,169 +0,0 @@ -#!/usr/bin/env python -# SPDX-License-Identifier: BSD-3-Clause - -# Copyright (c) 2015 Google, Inc. -# Copyright (c) 2015 Linaro, Ltd. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are met: -# 1. Redistributions of source code must retain the above copyright notice, -# this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright notice, -# this list of conditions and the following disclaimer in the documentation -# and/or other materials provided with the distribution. -# 3. Neither the name of the copyright holder nor the names of its -# contributors may be used to endorse or promote products derived from this -# software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, -# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; -# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, -# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR -# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF -# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -from __future__ import print_function -import csv -import datetime -import sys -import time - -dict = {'ping': '2', 'transfer': '3', 'sink': '4'} -verbose = 1 - -def abort(): - sys.exit(1) - -def usage(): - print('Usage: looptest TEST SIZE ITERATIONS PATH\n\n' - ' Run TEST for a number of ITERATIONS with operation data SIZE bytes\n' - ' TEST may be \'ping\' \'transfer\' or \'sink\'\n' - ' SIZE indicates the size of transfer <= greybus max payload bytes\n' - ' ITERATIONS indicates the number of times to execute TEST at SIZE bytes\n' - ' Note if ITERATIONS is set to zero then this utility will\n' - ' initiate an infinite (non terminating) test and exit\n' - ' without logging any metrics data\n' - ' PATH indicates the sysfs path for the loopback greybus entries e.g.\n' - ' /sys/bus/greybus/devices/endo0:1:1:1:1/\n' - 'Examples:\n' - ' looptest transfer 128 10000\n' - ' looptest ping 0 128\n' - ' looptest sink 2030 32768\n' - .format(sys.argv[0]), file=sys.stderr) - - abort() - -def read_sysfs_int(path): - try: - f = open(path, "r"); - val = f.read(); - f.close() - return int(val) - except IOError as e: - print("I/O error({0}): {1}".format(e.errno, e.strerror)) - print("Invalid path %s" % path) - -def write_sysfs_val(path, val): - try: - f = open(path, "r+") - f.write(val) - f.close() - except IOError as e: - print("I/O error({0}): {1}".format(e.errno, e.strerror)) - print("Invalid path %s" % path) - -def log_csv(test_name, size, iteration_max, sys_pfx): - # file name will test_name_size_iteration_max.csv - # every time the same test with the same parameters is run we will then - # append to the same CSV with datestamp - representing each test dataset - fname = test_name + '_' + size + '_' + str(iteration_max) + '.csv' - - try: - # gather data set - date = str(datetime.datetime.now()) - error = read_sysfs_int(sys_pfx + 'error') - request_min = read_sysfs_int(sys_pfx + 'requests_per_second_min') - request_max = read_sysfs_int(sys_pfx + 'requests_per_second_max') - request_avg = read_sysfs_int(sys_pfx + 'requests_per_second_avg') - latency_min = read_sysfs_int(sys_pfx + 'latency_min') - latency_max = read_sysfs_int(sys_pfx + 'latency_max') - latency_avg = read_sysfs_int(sys_pfx + 'latency_avg') - throughput_min = read_sysfs_int(sys_pfx + 'throughput_min') - throughput_max = read_sysfs_int(sys_pfx + 'throughput_max') - throughput_avg = read_sysfs_int(sys_pfx + 'throughput_avg') - - # derive jitter - request_jitter = request_max - request_min - latency_jitter = latency_max - latency_min - throughput_jitter = throughput_max - throughput_min - - # append data set to file - with open(fname, 'a') as csvf: - row = csv.writer(csvf, delimiter=",", quotechar="'", - quoting=csv.QUOTE_MINIMAL) - row.writerow([date, test_name, size, iteration_max, error, - request_min, request_max, request_avg, request_jitter, - latency_min, latency_max, latency_avg, latency_jitter, - throughput_min, throughput_max, throughput_avg, throughput_jitter]) - except IOError as e: - print("I/O error({0}): {1}".format(e.errno, e.strerror)) - -def loopback_run(test_name, size, iteration_max, sys_pfx): - test_id = dict[test_name] - try: - # Terminate any currently running test - write_sysfs_val(sys_pfx + 'type', '0') - # Set parameter for no wait between messages - write_sysfs_val(sys_pfx + 'ms_wait', '0') - # Set operation size - write_sysfs_val(sys_pfx + 'size', size) - # Set iterations - write_sysfs_val(sys_pfx + 'iteration_max', str(iteration_max)) - # Initiate by setting loopback operation type - write_sysfs_val(sys_pfx + 'type', test_id) - time.sleep(1) - - if iteration_max == 0: - print ("Infinite test initiated CSV won't be logged\n") - return - - previous = 0 - err = 0 - while True: - # get current count bail out if it hasn't changed - iteration_count = read_sysfs_int(sys_pfx + 'iteration_count') - if previous == iteration_count: - err = 1 - break - elif iteration_count == iteration_max: - break - previous = iteration_count - if verbose: - print('%02d%% complete %d of %d ' % - (100 * iteration_count / iteration_max, - iteration_count, iteration_max)) - time.sleep(1) - if err: - print ('\nError executing test\n') - else: - log_csv(test_name, size, iteration_max, sys_pfx) - except ValueError as ve: - print("Error: %s " % format(e.strerror), file=sys.stderr) - abort() - -def main(): - if len(sys.argv) < 5: - usage() - - if sys.argv[1] in dict.keys(): - loopback_run(sys.argv[1], sys.argv[2], int(sys.argv[3]), sys.argv[4]) - else: - usage() -if __name__ == '__main__': - main() |