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 switch (opt) { 75 case 'g': 76 optg = sizetoint(optarg); 77 break; 78 case 's': 79 opts[optscnt] = sizetoint(optarg); 80 optscnt = ++optscnt & (31); 81 break; 82 default: 83 return (-1); 84 } 85 86 return (0); 87} 88 89int 90benchmark_initworker(void *tsd) 91{ 92 tsd_t *ts = (tsd_t *)tsd; 93 94 if (optscnt == 0) 95 optscnt = 1; 96 97 ts->ts_glob = malloc(sizeof (void *)* optg); 98 if (ts->ts_glob == NULL) { 99 return (1); 100 } 101 return (0); 102} 103 104int 105benchmark(void *tsd, result_t *res) 106{ 107 tsd_t *ts = (tsd_t *)tsd; 108 int i, j, k; 109 110 for (i = 0; i < lm_optB; i++) { 111 for (k = j = 0; j < optg; j++) { 112 if ((ts->ts_glob[j] = malloc(opts[k++])) == NULL) 113 res->re_errors++; 114 if (k >= optscnt) 115 k = 0; 116 } 117 for (j = 0; j < optg; j++) { 118 free(ts->ts_glob[j]); 119 } 120 } 121 122 res->re_count = i * j; 123 124 return (0); 125} 126 127char * 128benchmark_result() 129{ 130 static char result[256]; 131 int i; 132 133 (void) sprintf(result, "%6d ", optg); 134 135 for (i = 0; i < optscnt; i++) 136 (void) sprintf(result + strlen(result), "%d ", opts[i]); 137 return (result); 138} 139