1/*
2 * Copyright (c) 2006 Apple Inc.  All Rights Reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29
30#ifdef	__sun
31#pragma ident	"@(#)lmbench_fstat.c	1.4	06/21/06 Apple Inc."
32#endif
33
34
35#include <unistd.h>
36#include <stdlib.h>
37#include <stdio.h>
38#include <sys/types.h>
39#include <sys/stat.h>
40#include <fcntl.h>
41
42#include "../libmicro.h"
43
44typedef struct {
45	char			*ts_buf;
46	int			ts_fd;
47} tsd_t;
48
49
50#define	DEFF			"/dev/null"
51#define	DEFS			1024
52
53static char			*optf = DEFF;
54// static long long		opts = DEFS;
55
56int
57benchmark_init()
58{
59
60	(void) sprintf(lm_optstr, "f:");
61
62	lm_tsdsize = 0;
63
64	(void) sprintf(lm_usage,
65	    "       [-f file-to-stat (default %s)]\n"
66	    "notes: measures lmbench_fstat()\n",
67	    DEFF);
68
69	return (0);
70}
71
72int
73benchmark_optswitch(int opt, char *optarg)
74{
75	switch (opt) {
76	case 'f':
77		optf = optarg;
78		break;
79	default:
80		return (-1);
81	}
82	return (0);
83}
84
85/*
86 * This initbatch stolen from lmbench_read.c
87 */
88int
89benchmark_initbatch(void *tsd)
90{
91	tsd_t			*ts = (tsd_t *)tsd;
92
93	if (ts->ts_buf == NULL) {
94		/* ts->ts_buf = malloc(opts); */
95		ts->ts_fd = open(optf, O_RDONLY);
96	}
97
98	/* (void) lseek(ts->ts_fd, 0, SEEK_SET); */
99
100	return (0);
101}
102
103
104/*ARGSUSED*/
105int
106benchmark(void *tsd, result_t *res)
107{
108	int			i;
109	struct stat		sbuf;
110	tsd_t			*ts = (tsd_t *)tsd;
111
112	res->re_errors = 0;
113
114/*
115 * The libmicro test uses a for loop as below:
116 *   for (i = 0; i < lm_optB; i++) {
117 *
118 * we can probably get away with using lm_optB
119 * in the while loop below
120 *
121 */
122 	i = 0;
123
124//	while (i++ < lm_optB) {
125    for (i = 0; i < lm_optB; i++) {
126		if (fstat(ts->ts_fd, &sbuf) == -1)
127			res->re_errors++;
128	}
129
130	res->re_count += lm_optB;
131
132	return (0);
133}
134