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#ifdef linux 32#define _XOPEN_SOURCE 500 33#endif 34 35#include <unistd.h> 36#include <stdlib.h> 37#include <stdio.h> 38#include <fcntl.h> 39 40#include "libmicro.h" 41 42typedef struct { 43 char *ts_buf; 44} tsd_t; 45 46#define DEFF "/dev/zero" 47#define DEFS 1024 48 49static char *optf = DEFF; 50static long long opts = DEFS; 51static int optw = 0; 52static int fd = -1; 53 54int 55benchmark_init() 56{ 57 lm_tsdsize = sizeof (tsd_t); 58 59 (void) sprintf(lm_optstr, "wf:s:"); 60 61 (void) sprintf(lm_usage, 62 " [-f file-to-read (default %s)]\n" 63 " [-s buffer-size (default %d)]\n" 64 " [-w (write a byte to each page after read)]\n" 65 "notes: measures pread()\n", 66 DEFF, DEFS); 67 68 (void) sprintf(lm_header, "%8s", "size"); 69 70 return (0); 71} 72 73int 74benchmark_optswitch(int opt, char *optarg) 75{ 76 switch (opt) { 77 case 'w': 78 optw = getpagesize(); 79 break; 80 case 'f': 81 optf = optarg; 82 break; 83 case 's': 84 opts = sizetoll(optarg); 85 break; 86 default: 87 return (-1); 88 } 89 return (0); 90} 91 92int 93benchmark_initrun() 94{ 95 fd = open(optf, O_RDONLY); 96 97 return (0); 98} 99 100int 101benchmark_initbatch(void *tsd) 102{ 103 tsd_t *ts = (tsd_t *)tsd; 104 int errors = 0; 105 106 if (ts->ts_buf == NULL) { 107 ts->ts_buf = malloc(opts); 108 } 109 110 return (errors); 111} 112 113int 114benchmark(void *tsd, result_t *res) 115{ 116 tsd_t *ts = (tsd_t *)tsd; 117 int i; 118 int j; 119 120 for (i = 0; i < lm_optB; i++) { 121 if (pread(fd, ts->ts_buf, opts, 0) != opts) { 122 res->re_errors++; 123 } 124 if (optw) { 125 for (j = 0; j < opts; j += optw) 126 ts->ts_buf[j] = 0; 127 } 128 } 129 res->re_count = i; 130 131 return (0); 132} 133 134char * 135benchmark_result() 136{ 137 static char result[256]; 138 139 (void) sprintf(result, "%8lld", opts); 140 141 return (result); 142} 143