lh_stats.c revision 109998
1/* crypto/lhash/lh_stats.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#include <stdio.h> 60#include <string.h> 61#include <stdlib.h> 62/* If you wish to build this outside of SSLeay, remove the following lines 63 * and things should work as expected */ 64#include "cryptlib.h" 65 66#ifndef OPENSSL_NO_BIO 67#include <openssl/bio.h> 68#endif 69#include <openssl/lhash.h> 70 71#ifdef OPENSSL_NO_BIO 72 73void lh_stats(LHASH *lh, FILE *out) 74 { 75 fprintf(out,"num_items = %lu\n",lh->num_items); 76 fprintf(out,"num_nodes = %u\n",lh->num_nodes); 77 fprintf(out,"num_alloc_nodes = %u\n",lh->num_alloc_nodes); 78 fprintf(out,"num_expands = %lu\n",lh->num_expands); 79 fprintf(out,"num_expand_reallocs = %lu\n",lh->num_expand_reallocs); 80 fprintf(out,"num_contracts = %lu\n",lh->num_contracts); 81 fprintf(out,"num_contract_reallocs = %lu\n",lh->num_contract_reallocs); 82 fprintf(out,"num_hash_calls = %lu\n",lh->num_hash_calls); 83 fprintf(out,"num_comp_calls = %lu\n",lh->num_comp_calls); 84 fprintf(out,"num_insert = %lu\n",lh->num_insert); 85 fprintf(out,"num_replace = %lu\n",lh->num_replace); 86 fprintf(out,"num_delete = %lu\n",lh->num_delete); 87 fprintf(out,"num_no_delete = %lu\n",lh->num_no_delete); 88 fprintf(out,"num_retrieve = %lu\n",lh->num_retrieve); 89 fprintf(out,"num_retrieve_miss = %lu\n",lh->num_retrieve_miss); 90 fprintf(out,"num_hash_comps = %lu\n",lh->num_hash_comps); 91#if 0 92 fprintf(out,"p = %u\n",lh->p); 93 fprintf(out,"pmax = %u\n",lh->pmax); 94 fprintf(out,"up_load = %lu\n",lh->up_load); 95 fprintf(out,"down_load = %lu\n",lh->down_load); 96#endif 97 } 98 99void lh_node_stats(LHASH *lh, FILE *out) 100 { 101 LHASH_NODE *n; 102 unsigned int i,num; 103 104 for (i=0; i<lh->num_nodes; i++) 105 { 106 for (n=lh->b[i],num=0; n != NULL; n=n->next) 107 num++; 108 fprintf(out,"node %6u -> %3u\n",i,num); 109 } 110 } 111 112void lh_node_usage_stats(LHASH *lh, FILE *out) 113 { 114 LHASH_NODE *n; 115 unsigned long num; 116 unsigned int i; 117 unsigned long total=0,n_used=0; 118 119 for (i=0; i<lh->num_nodes; i++) 120 { 121 for (n=lh->b[i],num=0; n != NULL; n=n->next) 122 num++; 123 if (num != 0) 124 { 125 n_used++; 126 total+=num; 127 } 128 } 129 fprintf(out,"%lu nodes used out of %u\n",n_used,lh->num_nodes); 130 fprintf(out,"%lu items\n",total); 131 if (n_used == 0) return; 132 fprintf(out,"load %d.%02d actual load %d.%02d\n", 133 (int)(total/lh->num_nodes), 134 (int)((total%lh->num_nodes)*100/lh->num_nodes), 135 (int)(total/n_used), 136 (int)((total%n_used)*100/n_used)); 137 } 138 139#else 140 141#ifndef OPENSSL_NO_FP_API 142void lh_stats(const LHASH *lh, FILE *fp) 143 { 144 BIO *bp; 145 146 bp=BIO_new(BIO_s_file()); 147 if (bp == NULL) goto end; 148 BIO_set_fp(bp,fp,BIO_NOCLOSE); 149 lh_stats_bio(lh,bp); 150 BIO_free(bp); 151end:; 152 } 153 154void lh_node_stats(const LHASH *lh, FILE *fp) 155 { 156 BIO *bp; 157 158 bp=BIO_new(BIO_s_file()); 159 if (bp == NULL) goto end; 160 BIO_set_fp(bp,fp,BIO_NOCLOSE); 161 lh_node_stats_bio(lh,bp); 162 BIO_free(bp); 163end:; 164 } 165 166void lh_node_usage_stats(const LHASH *lh, FILE *fp) 167 { 168 BIO *bp; 169 170 bp=BIO_new(BIO_s_file()); 171 if (bp == NULL) goto end; 172 BIO_set_fp(bp,fp,BIO_NOCLOSE); 173 lh_node_usage_stats_bio(lh,bp); 174 BIO_free(bp); 175end:; 176 } 177 178#endif 179 180void lh_stats_bio(const LHASH *lh, BIO *out) 181 { 182 BIO_printf(out,"num_items = %lu\n",lh->num_items); 183 BIO_printf(out,"num_nodes = %u\n",lh->num_nodes); 184 BIO_printf(out,"num_alloc_nodes = %u\n",lh->num_alloc_nodes); 185 BIO_printf(out,"num_expands = %lu\n",lh->num_expands); 186 BIO_printf(out,"num_expand_reallocs = %lu\n", 187 lh->num_expand_reallocs); 188 BIO_printf(out,"num_contracts = %lu\n",lh->num_contracts); 189 BIO_printf(out,"num_contract_reallocs = %lu\n", 190 lh->num_contract_reallocs); 191 BIO_printf(out,"num_hash_calls = %lu\n",lh->num_hash_calls); 192 BIO_printf(out,"num_comp_calls = %lu\n",lh->num_comp_calls); 193 BIO_printf(out,"num_insert = %lu\n",lh->num_insert); 194 BIO_printf(out,"num_replace = %lu\n",lh->num_replace); 195 BIO_printf(out,"num_delete = %lu\n",lh->num_delete); 196 BIO_printf(out,"num_no_delete = %lu\n",lh->num_no_delete); 197 BIO_printf(out,"num_retrieve = %lu\n",lh->num_retrieve); 198 BIO_printf(out,"num_retrieve_miss = %lu\n",lh->num_retrieve_miss); 199 BIO_printf(out,"num_hash_comps = %lu\n",lh->num_hash_comps); 200#if 0 201 BIO_printf(out,"p = %u\n",lh->p); 202 BIO_printf(out,"pmax = %u\n",lh->pmax); 203 BIO_printf(out,"up_load = %lu\n",lh->up_load); 204 BIO_printf(out,"down_load = %lu\n",lh->down_load); 205#endif 206 } 207 208void lh_node_stats_bio(const LHASH *lh, BIO *out) 209 { 210 LHASH_NODE *n; 211 unsigned int i,num; 212 213 for (i=0; i<lh->num_nodes; i++) 214 { 215 for (n=lh->b[i],num=0; n != NULL; n=n->next) 216 num++; 217 BIO_printf(out,"node %6u -> %3u\n",i,num); 218 } 219 } 220 221void lh_node_usage_stats_bio(const LHASH *lh, BIO *out) 222 { 223 LHASH_NODE *n; 224 unsigned long num; 225 unsigned int i; 226 unsigned long total=0,n_used=0; 227 228 for (i=0; i<lh->num_nodes; i++) 229 { 230 for (n=lh->b[i],num=0; n != NULL; n=n->next) 231 num++; 232 if (num != 0) 233 { 234 n_used++; 235 total+=num; 236 } 237 } 238 BIO_printf(out,"%lu nodes used out of %u\n",n_used,lh->num_nodes); 239 BIO_printf(out,"%lu items\n",total); 240 if (n_used == 0) return; 241 BIO_printf(out,"load %d.%02d actual load %d.%02d\n", 242 (int)(total/lh->num_nodes), 243 (int)((total%lh->num_nodes)*100/lh->num_nodes), 244 (int)(total/n_used), 245 (int)((total%n_used)*100/n_used)); 246 } 247 248#endif 249