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 int ts_fakegcc; 46} tsd_t; 47 48int 49benchmark_init() 50{ 51 52 lm_tsdsize = sizeof (tsd_t); 53 54 (void) sprintf(lm_optstr, "s:n"); 55 56 (void) sprintf(lm_usage, 57 " [-s string size (default %d)]\n" 58 " [-n causes unaligned cmp]\n" 59 "notes: measures strcmp()\n", 60 opts); 61 62 (void) sprintf(lm_header, "%8s", "size"); 63 64 return (0); 65} 66 67int 68benchmark_optswitch(int opt, char *optarg) 69{ 70 switch (opt) { 71 case 'n': 72 unaligned = 1; 73 break; 74 case 's': 75 opts = sizetoll(optarg); 76 break; 77 default: 78 return (-1); 79 } 80 return (0); 81} 82 83int 84benchmark_initbatch(void *tsd) 85{ 86 tsd_t *ts = (tsd_t *)tsd; 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_a = malloc(opts + 1); 95 ts->ts_b = malloc(opts + 1 + unaligned); 96 ts->ts_b += unaligned; 97 98 for (i = 0; i < opts; i++) { 99 ts->ts_a[i] = ts->ts_b[i] = demo[i%l]; 100 } 101 ts->ts_a[opts] = 0; 102 ts->ts_b[opts] = 0; 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 int *sum = &ts->ts_fakegcc; 113 char *src = ts->ts_a; 114 char *src2 = ts->ts_b; 115 116 res->re_errors = 0; 117 118 for (i = 0; i < lm_optB; i += 10) { 119 *sum += strcmp(src, src2); 120 *sum += strcmp(src, src2); 121 *sum += strcmp(src, src2); 122 *sum += strcmp(src, src2); 123 *sum += strcmp(src, src2); 124 *sum += strcmp(src, src2); 125 *sum += strcmp(src, src2); 126 *sum += strcmp(src, src2); 127 *sum += strcmp(src, src2); 128 *sum += strcmp(src, src2); 129 } 130 131 res->re_count = i; 132 133 return (0); 134} 135 136char * 137benchmark_result() 138{ 139 static char result[256]; 140 141 if (unaligned == 0) 142 (void) sprintf(result, "%8d", opts); 143 else 144 (void) sprintf(result, "%8d <unaligned>", opts); 145 146 return (result); 147} 148