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_a;
44	char 	*ts_b;
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 cmp]\n"
58	    "notes: measures strcpy()\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_a = malloc(opts + 1);
94		ts->ts_b = malloc(opts + 1 + unaligned);
95		ts->ts_b += unaligned;
96
97		for (i = 0; i < opts; i++) {
98			ts->ts_b[i] = demo[i%l];
99		}
100		ts->ts_b[opts] = 0;
101	}
102	return (0);
103}
104
105int
106benchmark(void *tsd, result_t *res)
107{
108	int			i;
109	tsd_t			*ts = (tsd_t *)tsd;
110
111	char *src = ts->ts_a;
112	char *src2 = ts->ts_b;
113
114	res->re_errors = 0;
115
116	for (i = 0; i < lm_optB; i += 10) {
117		(void) strcpy(src, src2);
118		(void) strcpy(src, src2);
119		(void) strcpy(src, src2);
120		(void) strcpy(src, src2);
121		(void) strcpy(src, src2);
122		(void) strcpy(src, src2);
123		(void) strcpy(src, src2);
124		(void) strcpy(src, src2);
125		(void) strcpy(src, src2);
126		(void) strcpy(src, src2);
127	}
128
129	res->re_count = i;
130
131	return (0);
132}
133
134char *
135benchmark_result()
136{
137	static char  result[256];
138
139	if (unaligned == 0)
140		(void) sprintf(result, "%8d", opts);
141	else
142		(void) sprintf(result, "%8d <unaligned>", opts);
143
144	return (result);
145}
146