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#include <unistd.h> 32#include <stdio.h> 33#include <stdlib.h> 34#include <string.h> 35#include <sys/time.h> 36#include <time.h> 37#include <tattle.h> 38#include "libmicro.h" 39#include <math.h> 40 41 42#ifdef USE_RDTSC 43#ifdef __GNUC__ 44#define ENABLE_RDTSC 1 45#endif 46#endif 47 48/* 49 * dummy so we can link w/ libmicro 50 */ 51 52/*ARGSUSED*/ 53int 54benchmark(void *tsd, result_t *res) 55{ 56 return (0); 57} 58 59static void 60cleanup(char *s) 61{ 62 char *o = s; 63 char *e; 64 65 while (*s == ' ') 66 s++; 67 68 if (o != s) 69 (void) strcpy(o, s); 70 71 e = o; 72 73 while (*e != 0) 74 e++; 75 76 e--; 77 78 while (*e == ' ' && e > o) 79 *e-- = 0; 80 81} 82 83 84int 85main(int argc, char *argv[]) 86{ 87 int c; 88 89 if (strlen(compiler_version) > 30) 90 compiler_version[30] = 0; 91 92 cleanup(compiler_version); 93 cleanup(extra_compiler_flags); 94 95 while ((c = getopt(argc, argv, "vcfrsVTR")) != -1) { 96 switch (c) { 97 case 'V': 98 (void) printf("%s\n", LIBMICRO_VERSION); 99 break; 100 case 'v': 101 (void) printf("%s\n", compiler_version); 102 break; 103 case 'c': 104 (void) printf("%s\n", CC); 105 break; 106 case 'f': 107 if (strlen(extra_compiler_flags) == 0) 108 (void) printf("[none]\n"); 109 else 110 (void) printf("%s\n", extra_compiler_flags); 111 break; 112 113 case 's': 114 (void) printf("%d\n", sizeof (long)); 115 break; 116 117 case 'r': 118 119 (void) printf("%lld nsecs\n", get_nsecs_resolution()); 120 break; 121 122 case 'R': 123#ifdef ENABLE_RDTSC 124 { 125 struct timeval s; 126 struct timeval f; 127 long long start_nsecs; 128 long long end_nsecs; 129 long elapsed_usecs; 130 131 gettimeofday(&s, NULL); 132 start_nsecs = rdtsc(); 133 for (;;) { 134 gettimeofday(&f, NULL); 135 elapsed_usecs = (f.tv_sec - s.tv_sec) * 136 1000000 + (f.tv_usec - s.tv_usec); 137 if (elapsed_usecs > 1000000) 138 break; 139 } 140 end_nsecs = rdtsc(); 141 (void) printf("LIBMICRO_HZ=%lld\n", 142 (long long)elapsed_usecs * 143 (end_nsecs - start_nsecs) / 1000000LL); 144 } 145#else 146 (void) printf("\n"); 147#endif 148 break; 149 } 150 } 151 152 exit(0); 153 return (0); 154} 155