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 2007 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31/*
32 * malloc benchmark (crude)
33 */
34
35
36#include <unistd.h>
37#include <stdlib.h>
38#include <stdio.h>
39#include <fcntl.h>
40#include <string.h>
41
42#include "libmicro.h"
43
44static int		optg = 100;
45static int		opts[32] = {32};
46static int		optscnt = 0;
47
48typedef struct {
49	void 			**ts_glob;
50} tsd_t;
51
52int
53benchmark_init()
54{
55	lm_tsdsize = sizeof (tsd_t);
56
57	(void) sprintf(lm_optstr, "s:g:");
58
59	(void) sprintf(lm_usage,
60	    "       [-g number of mallocs before free (default %d)]\n"
61	    "       [-s size to malloc (default %d)."
62	    "  Up to 32 sizes accepted\n"
63	    "notes: measures malloc()/free()",
64	    optg, opts[0]);
65
66	(void) sprintf(lm_header, "%6s %6s", "glob", "sizes");
67
68	return (0);
69}
70
71int
72benchmark_optswitch(int opt, char *optarg)
73{
74	int tmp;
75	switch (opt) {
76	case 'g':
77		optg = sizetoint(optarg);
78		break;
79	case 's':
80		opts[optscnt] = sizetoint(optarg);
81		tmp = ((++optscnt) & (0x1F));
82		optscnt = tmp;
83		break;
84	default:
85		return (-1);
86	}
87
88	return (0);
89}
90
91int
92benchmark_initworker(void *tsd)
93{
94	tsd_t			*ts = (tsd_t *)tsd;
95
96	if (optscnt == 0)
97		optscnt = 1;
98
99	ts->ts_glob = malloc(sizeof (void *)* optg);
100	if (ts->ts_glob == NULL) {
101		return (1);
102	}
103	return (0);
104}
105
106int
107benchmark(void *tsd, result_t *res)
108{
109	tsd_t			*ts = (tsd_t *)tsd;
110	int			i, j, k;
111
112	for (i = 0; i < lm_optB; i++) {
113		for (k = j = 0; j < optg; j++) {
114			if ((ts->ts_glob[j] = malloc(opts[k++])) == NULL)
115				res->re_errors++;
116			if (k >= optscnt)
117				k = 0;
118		}
119		for (j = 0; j < optg; j++) {
120			free(ts->ts_glob[j]);
121		}
122	}
123
124	res->re_count = i * j;
125
126	return (0);
127}
128
129char *
130benchmark_result()
131{
132	static char  result[256];
133	int i;
134
135	(void) sprintf(result, "%6d ", optg);
136
137	for (i = 0; i < optscnt; i++)
138		(void) sprintf(result + strlen(result), "%d ", opts[i]);
139	return (result);
140}
141