1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms
5 * of the Common Development and Distribution License
6 * (the "License").  You may not use this file except
7 * in compliance with the License.
8 *
9 * You can obtain a copy of the license at
10 * src/OPENSOLARIS.LICENSE
11 * or http://www.opensolaris.org/os/licensing.
12 * See the License for the specific language governing
13 * permissions and limitations under the License.
14 *
15 * When distributing Covered Code, include this CDDL
16 * HEADER in each file and include the License file at
17 * usr/src/OPENSOLARIS.LICENSE.  If applicable,
18 * add the following below this CDDL HEADER, with the
19 * fields enclosed by brackets "[]" replaced with your
20 * own identifying information: Portions Copyright [yyyy]
21 * [name of copyright owner]
22 *
23 * CDDL HEADER END
24 */
25
26/*
27 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31/*
32 * lseek
33 */
34
35#ifdef linux
36#define	_XOPEN_SOURCE 500
37#endif
38
39#include <unistd.h>
40#include <stdlib.h>
41#include <stdio.h>
42#include <fcntl.h>
43
44#include "libmicro.h"
45
46#define	DEFF			"/dev/zero"
47#define	DEFS			1024
48
49static char			*optf = DEFF;
50static long long		opts = DEFS;
51
52typedef struct {
53	int			ts_once;
54	int 			ts_fd;
55} tsd_t;
56
57int
58benchmark_init()
59{
60	lm_tsdsize = sizeof (tsd_t);
61
62	(void) sprintf(lm_optstr, "f:s:");
63
64	(void) sprintf(lm_usage,
65	    "       [-f file-to-read (default %s)]\n"
66	    "       [-s buffer-size (default %d)]\n"
67	    "notes: measures lseek()\n",
68	    DEFF, DEFS);
69
70	(void) sprintf(lm_header, "%8s", "size");
71
72	return (0);
73}
74
75int
76benchmark_optswitch(int opt, char *optarg)
77{
78	switch (opt) {
79	case 'f':
80		optf = optarg;
81		break;
82	case 's':
83		opts = sizetoll(optarg);
84		break;
85	default:
86		return (-1);
87	}
88	return (0);
89}
90
91int
92benchmark_initbatch(void *tsd)
93{
94	tsd_t			*ts = (tsd_t *)tsd;
95
96	if (ts->ts_once++ == 0) {
97		ts->ts_fd = open(optf, O_RDONLY);
98	}
99
100	return (0);
101}
102
103int
104benchmark(void *tsd, result_t *res)
105{
106	tsd_t			*ts = (tsd_t *)tsd;
107	int			i;
108
109	for (i = 0; i < lm_optB; i += 2) {
110		if (lseek(ts->ts_fd, 0L, SEEK_SET) != 0) {
111			res->re_errors++;
112		}
113		if (lseek(ts->ts_fd, opts, SEEK_SET) != opts) {
114			res->re_errors++;
115		}
116	}
117	res->re_count = i;
118
119	return (0);
120}
121
122char *
123benchmark_result()
124{
125	static char		result[256];
126
127	(void) sprintf(result, "%8lld", opts);
128
129	return (result);
130}
131