32a1fe0af3
Eliminage redundant spaces and nvmecontrol at start of all the usage strings. Update the usage printing code to add them back when presenting to the user. Allow multi-line usage messages and print proper leading spaces for lines starting with a space. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D18403
180 lines
5.0 KiB
C
180 lines
5.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (C) 2012-2013 Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/ioccom.h>
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#include <ctype.h>
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#include <err.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "nvmecontrol.h"
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#define PERFTEST_USAGE \
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"perftest <-n num_threads> <-o read|write>\n" \
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" <-s size_in_bytes> <-t time_in_seconds>\n" \
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" <-i intr|wait> [-f refthread] [-p]\n" \
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" <namespace id>\n"
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static void
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print_perftest(struct nvme_io_test *io_test, bool perthread)
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{
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uint64_t io_completed = 0, iops, mbps;
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uint32_t i;
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for (i = 0; i < io_test->num_threads; i++)
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io_completed += io_test->io_completed[i];
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iops = io_completed/io_test->time;
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mbps = iops * io_test->size / (1024*1024);
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printf("Threads: %2d Size: %6d %5s Time: %3d IO/s: %7ju MB/s: %4ju\n",
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io_test->num_threads, io_test->size,
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io_test->opc == NVME_OPC_READ ? "READ" : "WRITE",
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io_test->time, (uintmax_t)iops, (uintmax_t)mbps);
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if (perthread)
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for (i = 0; i < io_test->num_threads; i++)
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printf("\t%3d: %8ju IO/s\n", i,
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(uintmax_t)io_test->io_completed[i]/io_test->time);
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}
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static void
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perftest(struct nvme_function *nf, int argc, char *argv[])
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{
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struct nvme_io_test io_test;
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int fd;
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int opt;
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char *p;
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u_long ioctl_cmd = NVME_IO_TEST;
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bool nflag, oflag, sflag, tflag;
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int perthread = 0;
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nflag = oflag = sflag = tflag = false;
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memset(&io_test, 0, sizeof(io_test));
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while ((opt = getopt(argc, argv, "f:i:n:o:ps:t:")) != -1) {
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switch (opt) {
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case 'f':
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if (!strcmp(optarg, "refthread"))
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io_test.flags |= NVME_TEST_FLAG_REFTHREAD;
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break;
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case 'i':
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if (!strcmp(optarg, "bio") ||
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!strcmp(optarg, "wait"))
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ioctl_cmd = NVME_BIO_TEST;
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else if (!strcmp(optarg, "io") ||
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!strcmp(optarg, "intr"))
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ioctl_cmd = NVME_IO_TEST;
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break;
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case 'n':
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nflag = true;
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io_test.num_threads = strtoul(optarg, &p, 0);
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if (p != NULL && *p != '\0') {
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fprintf(stderr,
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"\"%s\" not valid number of threads.\n",
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optarg);
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usage(nf);
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} else if (io_test.num_threads == 0 ||
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io_test.num_threads > 128) {
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fprintf(stderr,
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"\"%s\" not valid number of threads.\n",
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optarg);
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usage(nf);
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}
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break;
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case 'o':
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oflag = true;
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if (!strcmp(optarg, "read") || !strcmp(optarg, "READ"))
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io_test.opc = NVME_OPC_READ;
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else if (!strcmp(optarg, "write") ||
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!strcmp(optarg, "WRITE"))
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io_test.opc = NVME_OPC_WRITE;
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else {
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fprintf(stderr, "\"%s\" not valid opcode.\n",
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optarg);
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usage(nf);
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}
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break;
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case 'p':
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perthread = 1;
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break;
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case 's':
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sflag = true;
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io_test.size = strtoul(optarg, &p, 0);
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if (p == NULL || *p == '\0' || toupper(*p) == 'B') {
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// do nothing
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} else if (toupper(*p) == 'K') {
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io_test.size *= 1024;
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} else if (toupper(*p) == 'M') {
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io_test.size *= 1024 * 1024;
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} else {
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fprintf(stderr, "\"%s\" not valid size.\n",
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optarg);
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usage(nf);
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}
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break;
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case 't':
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tflag = true;
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io_test.time = strtoul(optarg, &p, 0);
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if (p != NULL && *p != '\0') {
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fprintf(stderr,
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"\"%s\" not valid time duration.\n",
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optarg);
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usage(nf);
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}
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break;
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}
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}
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if (!nflag || !oflag || !sflag || !tflag || optind >= argc)
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usage(nf);
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open_dev(argv[optind], &fd, 1, 1);
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if (ioctl(fd, ioctl_cmd, &io_test) < 0)
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err(1, "ioctl NVME_IO_TEST failed");
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close(fd);
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print_perftest(&io_test, perthread);
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exit(0);
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}
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NVME_COMMAND(top, perftest, perftest, PERFTEST_USAGE);
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