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
32#include <unistd.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36
37#include "libmicro.h"
38
39#define	DEFD		100
40
41static int			optd = DEFD;
42
43int recurse2(int x, int y, char *s);
44
45/*ARGSUSED*/
46int
47recurse1(int x, int y, char *s)
48{
49	char			str[32];
50
51	if (x < y) {
52		return (recurse2(x + 1, y, str));
53	}
54
55	return (x);
56}
57
58int
59benchmark_init()
60{
61	lm_tsdsize = 0;
62
63	(void) sprintf(lm_optstr, "d:");
64
65	(void) sprintf(lm_usage,
66	    "       [-d depth-limit (default = %d)]\n"
67	    "notes: measures recursion performance\n",
68	    DEFD);
69
70	return (0);
71}
72
73int
74benchmark_optswitch(int opt, char *optarg)
75{
76	switch (opt) {
77	case 'd':
78		optd = atoi(optarg);
79		break;
80	default:
81		return (-1);
82	}
83	return (0);
84}
85
86/*ARGSUSED*/
87int
88benchmark(void *tsd, result_t *res)
89{
90	int			i;
91
92	for (i = 0; i < lm_optB; i++) {
93		(void) recurse1(0, optd, NULL);
94	}
95	res->re_count = i;
96
97	return (0);
98}
99