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 * time dup 33 */ 34 35#include <unistd.h> 36#include <stdlib.h> 37#include <stdio.h> 38#include <fcntl.h> 39 40#include "libmicro.h" 41 42#define DEFF "/dev/null" 43static char *optf = DEFF; 44 45static int fd; 46 47typedef struct { 48 int ts_once; 49 int *ts_fds; 50} tsd_t; 51 52int 53benchmark_init() 54{ 55 lm_tsdsize = sizeof (tsd_t); 56 57 lm_defB = 256; 58 59 (void) sprintf(lm_optstr, "f:"); 60 61 (void) sprintf(lm_usage, 62 " [-f file-to-dup (default %s)]\n" 63 "notes: measures dup()\n", 64 DEFF); 65 66 return (0); 67} 68 69int 70benchmark_optswitch(int opt, char *optarg) 71{ 72 switch (opt) { 73 case 'f': 74 optf = optarg; 75 break; 76 default: 77 return (-1); 78 } 79 return (0); 80} 81 82int 83benchmark_initrun() 84{ 85 (void) setfdlimit(lm_optB * lm_optT + 10); 86 fd = (open(optf, O_RDONLY)); 87 88 return (0); 89} 90 91int 92benchmark_initbatch(void *tsd) 93{ 94 tsd_t *ts = (tsd_t *)tsd; 95 int i; 96 int errors = 0; 97 98 if (ts->ts_once++ == 0) { 99 ts->ts_fds = (int *)malloc(lm_optB * sizeof (int)); 100 if (ts->ts_fds == NULL) { 101 errors ++; 102 } 103 for (i = 0; i < lm_optB; i++) { 104 ts->ts_fds[i] = -1; 105 } 106 } 107 108 return (errors); 109} 110 111int 112benchmark(void *tsd, result_t *res) 113{ 114 tsd_t *ts = (tsd_t *)tsd; 115 int i; 116 117 for (i = 0; i < lm_optB; i++) { 118 ts->ts_fds[i] = dup(fd); 119 if (ts->ts_fds[i] == -1) { 120 res->re_errors++; 121 } 122 } 123 res->re_count = i; 124 125 return (0); 126} 127 128int 129benchmark_finibatch(void *tsd) 130{ 131 tsd_t *ts = (tsd_t *)tsd; 132 int i; 133 134 for (i = 0; i < lm_optB; i++) { 135 (void) close(ts->ts_fds[i]); 136 } 137 138 return (0); 139} 140