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 * benchmark open
33 */
34
35
36#include <unistd.h>
37#include <stdlib.h>
38#include <stdio.h>
39#include <fcntl.h>
40
41#include "libmicro.h"
42
43typedef struct {
44	int			ts_once;
45	int			*ts_fds;
46} tsd_t;
47
48#define	DEFF			"/dev/null"
49
50static char			*optf = DEFF;
51
52int
53benchmark_init()
54{
55	lm_tsdsize = sizeof (tsd_t);
56
57	lm_defB = 256;
58
59	(void) sprintf(lm_usage,
60	    "       [-f file-to-open (default %s)]\n"
61	    "notes: measures open()\n",
62	    DEFF);
63
64	(void) sprintf(lm_optstr, "f:");
65
66	return (0);
67}
68
69int
70benchmark_optswitch(int opt, char *optarg)
71{
72	switch (opt) {
73	case 'f':
74		optf = optarg;
75		break;
76	default:
77		return (-1);
78	}
79	return (0);
80}
81
82int
83benchmark_initrun()
84{
85	(void) setfdlimit(lm_optB * lm_optT + 10);
86
87	return (0);
88}
89
90int
91benchmark_initbatch(void *tsd)
92{
93	tsd_t			*ts = (tsd_t *)tsd;
94	int			i;
95	int			errors = 0;
96
97	if (ts->ts_once++ == 0) {
98		ts->ts_fds = (int *)malloc(lm_optB * sizeof (int));
99		if (ts->ts_fds == NULL) {
100			errors++;
101		}
102		for (i = 0; i < lm_optB; i++) {
103			ts->ts_fds[i] = -1;
104		}
105	}
106
107	return (errors);
108}
109
110int
111benchmark(void *tsd, result_t *res)
112{
113	tsd_t			*ts = (tsd_t *)tsd;
114	int			i;
115
116	for (i = 0; i < lm_optB; i++) {
117		ts->ts_fds[i] = open(optf, O_RDONLY);
118		if (ts->ts_fds[i] < 0) {
119			res->re_errors++;
120		}
121	}
122	res->re_count = i;
123
124	return (0);
125}
126
127int
128benchmark_finibatch(void *tsd)
129{
130	tsd_t			*ts = (tsd_t *)tsd;
131	int			i;
132
133	for (i = 0; i < lm_optB; i++) {
134		(void) close(ts->ts_fds[i]);
135	}
136
137	return (0);
138}
139