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 * lseek 33 */ 34 35#ifdef linux 36#define _XOPEN_SOURCE 500 37#endif 38 39#include <unistd.h> 40#include <stdlib.h> 41#include <stdio.h> 42#include <fcntl.h> 43 44#include "libmicro.h" 45 46#define DEFF "/dev/zero" 47#define DEFS 1024 48 49static char *optf = DEFF; 50static long long opts = DEFS; 51 52typedef struct { 53 int ts_once; 54 int ts_fd; 55} tsd_t; 56 57int 58benchmark_init() 59{ 60 lm_tsdsize = sizeof (tsd_t); 61 62 (void) sprintf(lm_optstr, "f:s:"); 63 64 (void) sprintf(lm_usage, 65 " [-f file-to-read (default %s)]\n" 66 " [-s buffer-size (default %d)]\n" 67 "notes: measures lseek()\n", 68 DEFF, DEFS); 69 70 (void) sprintf(lm_header, "%8s", "size"); 71 72 return (0); 73} 74 75int 76benchmark_optswitch(int opt, char *optarg) 77{ 78 switch (opt) { 79 case 'f': 80 optf = optarg; 81 break; 82 case 's': 83 opts = sizetoll(optarg); 84 break; 85 default: 86 return (-1); 87 } 88 return (0); 89} 90 91int 92benchmark_initbatch(void *tsd) 93{ 94 tsd_t *ts = (tsd_t *)tsd; 95 96 if (ts->ts_once++ == 0) { 97 ts->ts_fd = open(optf, O_RDONLY); 98 } 99 100 return (0); 101} 102 103int 104benchmark(void *tsd, result_t *res) 105{ 106 tsd_t *ts = (tsd_t *)tsd; 107 int i; 108 109 for (i = 0; i < lm_optB; i += 2) { 110 if (lseek(ts->ts_fd, 0L, SEEK_SET) != 0) { 111 res->re_errors++; 112 } 113 if (lseek(ts->ts_fd, opts, SEEK_SET) != opts) { 114 res->re_errors++; 115 } 116 } 117 res->re_count = i; 118 119 return (0); 120} 121 122char * 123benchmark_result() 124{ 125 static char result[256]; 126 127 (void) sprintf(result, "%8lld", opts); 128 129 return (result); 130} 131