xref: /netbsd-src/sbin/nvmectl/perftest.c (revision 6ac76f5b922e80abcc1378f7855ab65c6b521b35)
1*6ac76f5bSnonaka /*	$NetBSD: perftest.c,v 1.5 2018/04/18 10:11:44 nonaka Exp $	*/
2cae3c2f4Snonaka 
3cae3c2f4Snonaka /*-
41f5086ecSnonaka  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
51f5086ecSnonaka  *
6cae3c2f4Snonaka  * Copyright (C) 2012-2013 Intel Corporation
7cae3c2f4Snonaka  * All rights reserved.
8cae3c2f4Snonaka  *
9cae3c2f4Snonaka  * Redistribution and use in source and binary forms, with or without
10cae3c2f4Snonaka  * modification, are permitted provided that the following conditions
11cae3c2f4Snonaka  * are met:
12cae3c2f4Snonaka  * 1. Redistributions of source code must retain the above copyright
13cae3c2f4Snonaka  *    notice, this list of conditions and the following disclaimer.
14cae3c2f4Snonaka  * 2. Redistributions in binary form must reproduce the above copyright
15cae3c2f4Snonaka  *    notice, this list of conditions and the following disclaimer in the
16cae3c2f4Snonaka  *    documentation and/or other materials provided with the distribution.
17cae3c2f4Snonaka  *
18cae3c2f4Snonaka  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19cae3c2f4Snonaka  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20cae3c2f4Snonaka  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21cae3c2f4Snonaka  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22cae3c2f4Snonaka  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23cae3c2f4Snonaka  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24cae3c2f4Snonaka  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25cae3c2f4Snonaka  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26cae3c2f4Snonaka  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27cae3c2f4Snonaka  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28cae3c2f4Snonaka  * SUCH DAMAGE.
29cae3c2f4Snonaka  */
30cae3c2f4Snonaka 
31cae3c2f4Snonaka #include <sys/cdefs.h>
32cae3c2f4Snonaka #ifndef lint
33*6ac76f5bSnonaka __RCSID("$NetBSD: perftest.c,v 1.5 2018/04/18 10:11:44 nonaka Exp $");
34cae3c2f4Snonaka #if 0
35*6ac76f5bSnonaka __FBSDID("$FreeBSD: head/sbin/nvmecontrol/perftest.c 329824 2018-02-22 13:32:31Z wma $");
36cae3c2f4Snonaka #endif
37cae3c2f4Snonaka #endif
38cae3c2f4Snonaka 
39cae3c2f4Snonaka #include <sys/param.h>
40cae3c2f4Snonaka #include <sys/ioccom.h>
41cae3c2f4Snonaka 
42cae3c2f4Snonaka #include <ctype.h>
43cae3c2f4Snonaka #include <err.h>
44cae3c2f4Snonaka #include <fcntl.h>
45cae3c2f4Snonaka #include <inttypes.h>
46cae3c2f4Snonaka #include <stdbool.h>
47cae3c2f4Snonaka #include <stddef.h>
48cae3c2f4Snonaka #include <stdio.h>
49cae3c2f4Snonaka #include <stdlib.h>
50cae3c2f4Snonaka #include <string.h>
51cae3c2f4Snonaka #include <unistd.h>
52cae3c2f4Snonaka 
53cae3c2f4Snonaka #include "nvmectl.h"
54cae3c2f4Snonaka 
55cae3c2f4Snonaka #ifdef PERFTEST_USAGE
56cae3c2f4Snonaka static void
print_perftest(struct nvme_io_test * io_test,bool perthread)57cae3c2f4Snonaka print_perftest(struct nvme_io_test *io_test, bool perthread)
58cae3c2f4Snonaka {
59cae3c2f4Snonaka 	uint64_t	io_completed = 0, iops, mbps;
60cae3c2f4Snonaka 	uint32_t	i;
61cae3c2f4Snonaka 
62cae3c2f4Snonaka 	for (i = 0; i < io_test->num_threads; i++)
63cae3c2f4Snonaka 		io_completed += io_test->io_completed[i];
64cae3c2f4Snonaka 
65cae3c2f4Snonaka 	iops = io_completed/io_test->time;
66cae3c2f4Snonaka 	mbps = iops * io_test->size / (1024*1024);
67cae3c2f4Snonaka 
68cae3c2f4Snonaka 	printf("Threads: %2d Size: %6d %5s Time: %3d IO/s: %7ju MB/s: %4ju\n",
69cae3c2f4Snonaka 	    io_test->num_threads, io_test->size,
70cae3c2f4Snonaka 	    io_test->opc == NVME_OPC_READ ? "READ" : "WRITE",
71cae3c2f4Snonaka 	    io_test->time, (uintmax_t)iops, (uintmax_t)mbps);
72cae3c2f4Snonaka 
73cae3c2f4Snonaka 	if (perthread)
74cae3c2f4Snonaka 		for (i = 0; i < io_test->num_threads; i++)
75cae3c2f4Snonaka 			printf("\t%3d: %8ju IO/s\n", i,
76cae3c2f4Snonaka 			    (uintmax_t)io_test->io_completed[i]/io_test->time);
77cae3c2f4Snonaka }
78cae3c2f4Snonaka 
79cae3c2f4Snonaka static void
perftest_usage(void)80cae3c2f4Snonaka perftest_usage(void)
81cae3c2f4Snonaka {
82cae3c2f4Snonaka 	fprintf(stderr, "usage:\n");
83f24079baSjdolecek 	fprintf(stderr, "\t%s" PERFTEST_USAGE, getprogname());
84cae3c2f4Snonaka 	exit(1);
85cae3c2f4Snonaka }
86cae3c2f4Snonaka 
87cae3c2f4Snonaka void
perftest(int argc,char * argv[])88cae3c2f4Snonaka perftest(int argc, char *argv[])
89cae3c2f4Snonaka {
90cae3c2f4Snonaka 	struct nvme_io_test		io_test;
91cae3c2f4Snonaka 	int				fd;
92cae3c2f4Snonaka 	int				ch;
93cae3c2f4Snonaka 	char				*p;
94cae3c2f4Snonaka 	u_long				ioctl_cmd = NVME_IO_TEST;
95cae3c2f4Snonaka 	bool				nflag, oflag, sflag, tflag;
96cae3c2f4Snonaka 	int				perthread = 0;
97cae3c2f4Snonaka 
98cae3c2f4Snonaka 	nflag = oflag = sflag = tflag = false;
99cae3c2f4Snonaka 
100cae3c2f4Snonaka 	memset(&io_test, 0, sizeof(io_test));
101cae3c2f4Snonaka 
102cae3c2f4Snonaka 	while ((ch = getopt(argc, argv, "f:i:n:o:ps:t:")) != -1) {
103cae3c2f4Snonaka 		switch (ch) {
104cae3c2f4Snonaka 		case 'f':
105cae3c2f4Snonaka 			if (!strcmp(optarg, "refthread"))
106cae3c2f4Snonaka 				io_test.flags |= NVME_TEST_FLAG_REFTHREAD;
107cae3c2f4Snonaka 			break;
108cae3c2f4Snonaka 		case 'i':
109cae3c2f4Snonaka 			if (!strcmp(optarg, "bio") ||
110cae3c2f4Snonaka 			    !strcmp(optarg, "wait"))
111cae3c2f4Snonaka 				ioctl_cmd = NVME_BIO_TEST;
112cae3c2f4Snonaka 			else if (!strcmp(optarg, "io") ||
113cae3c2f4Snonaka 				 !strcmp(optarg, "intr"))
114cae3c2f4Snonaka 				ioctl_cmd = NVME_IO_TEST;
115cae3c2f4Snonaka 			break;
116cae3c2f4Snonaka 		case 'n':
117cae3c2f4Snonaka 			nflag = true;
118cae3c2f4Snonaka 			io_test.num_threads = strtoul(optarg, &p, 0);
119cae3c2f4Snonaka 			if (p != NULL && *p != '\0') {
120cae3c2f4Snonaka 				fprintf(stderr,
121cae3c2f4Snonaka 				    "\"%s\" not valid number of threads.\n",
122cae3c2f4Snonaka 				    optarg);
123cae3c2f4Snonaka 				perftest_usage();
124cae3c2f4Snonaka 			} else if (io_test.num_threads == 0 ||
125cae3c2f4Snonaka 				   io_test.num_threads > 128) {
126cae3c2f4Snonaka 				fprintf(stderr,
127cae3c2f4Snonaka 				    "\"%s\" not valid number of threads.\n",
128cae3c2f4Snonaka 				    optarg);
129cae3c2f4Snonaka 				perftest_usage();
130cae3c2f4Snonaka 			}
131cae3c2f4Snonaka 			break;
132cae3c2f4Snonaka 		case 'o':
133cae3c2f4Snonaka 			oflag = true;
134cae3c2f4Snonaka 			if (!strcmp(optarg, "read") || !strcmp(optarg, "READ"))
135cae3c2f4Snonaka 				io_test.opc = NVME_OPC_READ;
136cae3c2f4Snonaka 			else if (!strcmp(optarg, "write") ||
137cae3c2f4Snonaka 				 !strcmp(optarg, "WRITE"))
138cae3c2f4Snonaka 				io_test.opc = NVME_OPC_WRITE;
139cae3c2f4Snonaka 			else {
140cae3c2f4Snonaka 				fprintf(stderr, "\"%s\" not valid opcode.\n",
141cae3c2f4Snonaka 				    optarg);
142cae3c2f4Snonaka 				perftest_usage();
143cae3c2f4Snonaka 			}
144cae3c2f4Snonaka 			break;
145cae3c2f4Snonaka 		case 'p':
146cae3c2f4Snonaka 			perthread = 1;
147cae3c2f4Snonaka 			break;
148cae3c2f4Snonaka 		case 's':
149cae3c2f4Snonaka 			sflag = true;
150cae3c2f4Snonaka 			io_test.size = strtoul(optarg, &p, 0);
151cae3c2f4Snonaka 			if (p == NULL || *p == '\0' || toupper(*p) == 'B') {
152cae3c2f4Snonaka 				// do nothing
153cae3c2f4Snonaka 			} else if (toupper(*p) == 'K') {
154cae3c2f4Snonaka 				io_test.size *= 1024;
155cae3c2f4Snonaka 			} else if (toupper(*p) == 'M') {
156cae3c2f4Snonaka 				io_test.size *= 1024 * 1024;
157cae3c2f4Snonaka 			} else {
158cae3c2f4Snonaka 				fprintf(stderr, "\"%s\" not valid size.\n",
159cae3c2f4Snonaka 				    optarg);
160cae3c2f4Snonaka 				perftest_usage();
161cae3c2f4Snonaka 			}
162cae3c2f4Snonaka 			break;
163cae3c2f4Snonaka 		case 't':
164cae3c2f4Snonaka 			tflag = true;
165cae3c2f4Snonaka 			io_test.time = strtoul(optarg, &p, 0);
166cae3c2f4Snonaka 			if (p != NULL && *p != '\0') {
167cae3c2f4Snonaka 				fprintf(stderr,
168cae3c2f4Snonaka 				    "\"%s\" not valid time duration.\n",
169cae3c2f4Snonaka 				    optarg);
170cae3c2f4Snonaka 				perftest_usage();
171cae3c2f4Snonaka 			}
172cae3c2f4Snonaka 			break;
173cae3c2f4Snonaka 		}
174cae3c2f4Snonaka 	}
175cae3c2f4Snonaka 
176cae3c2f4Snonaka 	if (!nflag || !oflag || !sflag || !tflag || optind >= argc)
177cae3c2f4Snonaka 		perftest_usage();
178cae3c2f4Snonaka 
179cae3c2f4Snonaka 	open_dev(argv[optind], &fd, 1, 1);
180cae3c2f4Snonaka 	if (ioctl(fd, ioctl_cmd, &io_test) < 0)
181cae3c2f4Snonaka 		err(1, "ioctl NVME_IO_TEST failed");
182cae3c2f4Snonaka 
183cae3c2f4Snonaka 	close(fd);
184cae3c2f4Snonaka 	print_perftest(&io_test, perthread);
185cae3c2f4Snonaka 	exit(0);
186cae3c2f4Snonaka }
187cae3c2f4Snonaka #endif
188