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#include <unistd.h>
32#include <stdlib.h>
33#include <stdio.h>
34#include <string.h>
35
36#include "libmicro.h"
37
38static int unaligned = 0;
39static int opts = 100;
40
41typedef struct {
42	int	ts_once;
43	char 	*ts_string;
44	int	ts_fakegcc;
45} tsd_t;
46
47int
48benchmark_init()
49{
50
51	lm_tsdsize = sizeof (tsd_t);
52
53	(void) sprintf(lm_optstr, "s:n");
54
55	(void) sprintf(lm_usage,
56	    "       [-s string size (default %d)]\n"
57	    "       [-n causes unaligned strlen]\n"
58	    "notes: measures strlen()\n",
59	    opts);
60
61	(void) sprintf(lm_header, "%8s", "size");
62
63	return (0);
64}
65
66int
67benchmark_optswitch(int opt, char *optarg)
68{
69	switch (opt) {
70	case 'n':
71		unaligned = 1;
72		break;
73	case 's':
74		opts = sizetoll(optarg);
75		break;
76	default:
77		return (-1);
78	}
79	return (0);
80}
81
82int
83benchmark_initbatch(void *tsd)
84{
85	tsd_t			*ts = (tsd_t *)tsd;
86	static char		*demo =
87	    "The quick brown fox jumps over the lazy dog.";
88
89	if (ts->ts_once++ == 0) {
90		int l = strlen(demo);
91		int i;
92
93		ts->ts_string = malloc(opts + 1 + unaligned);
94		ts->ts_string += unaligned;
95
96
97		for (i = 0; i < opts; i++) {
98			ts->ts_string[i] = demo[i%l];
99		}
100
101		ts->ts_string[opts] = 0;
102
103	}
104	return (0);
105}
106
107int
108benchmark(void *tsd, result_t *res)
109{
110	int			i;
111	tsd_t			*ts = (tsd_t *)tsd;
112	char 			*src = ts->ts_string;
113
114	for (i = 0; i < lm_optB; i += 10) {
115		ts->ts_fakegcc += strlen(src);
116		ts->ts_fakegcc += strlen(src);
117		ts->ts_fakegcc += strlen(src);
118		ts->ts_fakegcc += strlen(src);
119		ts->ts_fakegcc += strlen(src);
120		ts->ts_fakegcc += strlen(src);
121		ts->ts_fakegcc += strlen(src);
122		ts->ts_fakegcc += strlen(src);
123		ts->ts_fakegcc += strlen(src);
124		ts->ts_fakegcc += strlen(src);
125	}
126
127	res->re_count = i;
128
129	return (0);
130}
131
132char *
133benchmark_result()
134{
135	static char	result[256];
136
137	if (unaligned == 0)
138		(void) sprintf(result, "%8d", opts);
139	else
140		(void) sprintf(result, "%8d <unaligned>", opts);
141
142	return (result);
143}
144