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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
38 static int unaligned = 0;
39 static int opts = 100;
40
41 typedef struct {
42 int ts_once;
43 char *ts_string;
44 char *ts_fakegcc;
45 } tsd_t;
46
47 int
48 benchmark_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 strchr]\n"
58 "notes: measures strchr()\n",
59 opts);
60
61 (void) sprintf(lm_header, "%8s", "size");
62
63 return (0);
64 }
65
66 int
67 benchmark_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
82 int
83 benchmark_initbatch(void *tsd)
84 {
85 tsd_t *ts = (tsd_t *)tsd;
86
87 static char *demo =
88 "The quick brown fox jumps over the lazy dog.";
89
90 if (ts->ts_once++ == 0) {
91 int l = strlen(demo);
92 int i;
93
94 ts->ts_string = malloc(opts + 1 + unaligned);
95 ts->ts_string += unaligned;
96
97
98 for (i = 0; i < opts; i++) {
99 ts->ts_string[i] = demo[i%l];
100 }
101
102 ts->ts_string[opts] = 0;
103
104 }
105 return (0);
106 }
107
108 int
109 benchmark(void *tsd, result_t *res)
110 {
111 int i;
112 tsd_t *ts = (tsd_t *)tsd;
113 char *src = ts->ts_string;
114
115 for (i = 0; i < lm_optB; i += 10) {
116 ts->ts_fakegcc = strchr(src, 'X');
117 ts->ts_fakegcc = strchr(src, 'X');
118 ts->ts_fakegcc = strchr(src, 'X');
119 ts->ts_fakegcc = strchr(src, 'X');
120 ts->ts_fakegcc = strchr(src, 'X');
121 ts->ts_fakegcc = strchr(src, 'X');
122 ts->ts_fakegcc = strchr(src, 'X');
123 ts->ts_fakegcc = strchr(src, 'X');
124 ts->ts_fakegcc = strchr(src, 'X');
125 ts->ts_fakegcc = strchr(src, 'X');
126 }
127
128 res->re_count = i;
129
130 return (0);
131 }
132
133 char *
134 benchmark_result()
135 {
136 static char result[256];
137
138 if (unaligned == 0)
139 (void) sprintf(result, "%8d", opts);
140 else
141 (void) sprintf(result, "%8d <unaligned>", opts);
142
143 return (result);
144 }