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 * change directory benchmark
33 */
34
35#include <unistd.h>
36#include <stdio.h>
37#include <stdlib.h>
38
39#include "libmicro.h"
40
41#define	DEFAULTDIR		"/"
42#define	MAXPATHLEN		1024
43
44static int			optg = 0;
45
46static int			dircount;
47static char **			dirlist;
48
49int
50benchmark_init()
51{
52	(void) sprintf(lm_optstr, "g");
53	lm_tsdsize = 0;
54
55	(void) sprintf(lm_usage,
56	    "       [-g] (do getcwd() also)\n"
57	    "       directory ... (default = %s)\n"
58	    "notes: measures chdir() and (optionally) getcwd()",
59	    DEFAULTDIR);
60
61	(void) sprintf(lm_header, "%5s %5s", "dirs", "gets");
62
63	return (0);
64}
65
66/*ARGSUSED*/
67int
68benchmark_optswitch(int opt, char *optarg)
69{
70	switch (opt) {
71	case 'g':
72		optg = 1;
73		break;
74	default:
75		return (-1);
76	}
77	return (0);
78}
79
80int
81benchmark_initrun()
82{
83	extern int		optind;
84	int			i;
85
86	dircount = lm_argc - optind;
87	if (dircount <= 0) {
88		dirlist = (char **)malloc(sizeof (char *));
89		dirlist[0] = DEFAULTDIR;
90		dircount = 1;
91	} else {
92		dirlist = (char **)malloc(dircount * sizeof (char *));
93		for (i = 0; i < dircount; i++) {
94			dirlist[i] = lm_argv[optind++];
95		}
96	}
97
98	return (0);
99}
100
101/*ARGSUSED*/
102int
103benchmark(void *tsd, result_t *res)
104{
105	int			i, j;
106	char 			buf[MAXPATHLEN];
107
108	j = 0;
109	for (i = 0; i < lm_optB; i++) {
110		if (chdir(dirlist[j]) == -1)
111			res->re_errors++;
112		j++;
113		j %= dircount;
114
115		if (optg && (getcwd(buf, MAXPATHLEN) == NULL)) {
116			res->re_errors++;
117		}
118	}
119	res->re_count = i;
120
121	return (0);
122}
123
124char *
125benchmark_result()
126{
127	static char		result[256];
128
129	(void) sprintf(result, "%5d %5s", dircount, optg ? "y" : "n");
130
131	return (result);
132}
133