1/* 2 * Copyright (c) 2006 Apple Inc. All Rights Reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 30/* 31 * Portions Copyright (c) 2006, Apple Inc. 32 */ 33 34#ifdef __sun 35#pragma ident "@(#)lmbench_stat.c 1.4 06/21/06 Apple Inc." 36#endif 37 38 39#include <unistd.h> 40#include <stdlib.h> 41#include <stdio.h> 42#include <sys/types.h> 43#include <sys/stat.h> 44 45#include "../libmicro.h" 46 47#define DEFF "/dev/null" 48static char *optf = DEFF; 49 50int 51benchmark_init() 52{ 53 54 (void) sprintf(lm_optstr, "f:"); 55 56 lm_tsdsize = 0; 57 58 (void) sprintf(lm_usage, 59 " [-f file-to-stat (default %s)]\n" 60 "notes: measures stat()\n", 61 DEFF); 62 63 return (0); 64} 65 66int 67benchmark_optswitch(int opt, char *optarg) 68{ 69 switch (opt) { 70 case 'f': 71 optf = optarg; 72 break; 73 default: 74 return (-1); 75 } 76 return (0); 77} 78 79/*ARGSUSED*/ 80int 81benchmark(void *tsd, result_t *res) 82{ 83 int i; 84 struct stat sbuf; 85 86 res->re_errors = 0; 87 88/* 89 * The libmicro test uses a for loop as below: 90 * for (i = 0; i < lm_optB; i++) { 91 * 92 * we can probably get away with using lm_optB 93 * in the while loop below 94 * 95 */ 96 i = 0; 97 98 while (i++ < lm_optB) { 99 if (stat(optf, &sbuf) == -1) 100 res->re_errors++; 101 } 102 103 res->re_count += lm_optB; 104 105 return (0); 106} 107