lh_stats.c revision 55714
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#include <openssl/lhash.h>
67
68#ifndef HEADER_BIO_H
69
70void lh_stats(LHASH *lh, FILE *out)
71	{
72	fprintf(out,"num_items             = %lu\n",lh->num_items);
73	fprintf(out,"num_nodes             = %u\n",lh->num_nodes);
74	fprintf(out,"num_alloc_nodes       = %u\n",lh->num_alloc_nodes);
75	fprintf(out,"num_expands           = %lu\n",lh->num_expands);
76	fprintf(out,"num_expand_reallocs   = %lu\n",lh->num_expand_reallocs);
77	fprintf(out,"num_contracts         = %lu\n",lh->num_contracts);
78	fprintf(out,"num_contract_reallocs = %lu\n",lh->num_contract_reallocs);
79	fprintf(out,"num_hash_calls        = %lu\n",lh->num_hash_calls);
80	fprintf(out,"num_comp_calls        = %lu\n",lh->num_comp_calls);
81	fprintf(out,"num_insert            = %lu\n",lh->num_insert);
82	fprintf(out,"num_replace           = %lu\n",lh->num_replace);
83	fprintf(out,"num_delete            = %lu\n",lh->num_delete);
84	fprintf(out,"num_no_delete         = %lu\n",lh->num_no_delete);
85	fprintf(out,"num_retrieve          = %lu\n",lh->num_retrieve);
86	fprintf(out,"num_retrieve_miss     = %lu\n",lh->num_retrieve_miss);
87	fprintf(out,"num_hash_comps        = %lu\n",lh->num_hash_comps);
88#ifdef DEBUG
89	fprintf(out,"p                     = %u\n",lh->p);
90	fprintf(out,"pmax                  = %u\n",lh->pmax);
91	fprintf(out,"up_load               = %lu\n",lh->up_load);
92	fprintf(out,"down_load             = %lu\n",lh->down_load);
93#endif
94	}
95
96void lh_node_stats(LHASH *lh, FILE *out)
97	{
98	LHASH_NODE *n;
99	unsigned int i,num;
100
101	for (i=0; i<lh->num_nodes; i++)
102		{
103		for (n=lh->b[i],num=0; n != NULL; n=n->next)
104			num++;
105		fprintf(out,"node %6u -> %3u\n",i,num);
106		}
107	}
108
109void lh_node_usage_stats(LHASH *lh, FILE *out)
110	{
111	LHASH_NODE *n;
112	unsigned long num;
113	unsigned int i;
114	unsigned long total=0,n_used=0;
115
116	for (i=0; i<lh->num_nodes; i++)
117		{
118		for (n=lh->b[i],num=0; n != NULL; n=n->next)
119			num++;
120		if (num != 0)
121			{
122			n_used++;
123			total+=num;
124			}
125		}
126	fprintf(out,"%lu nodes used out of %u\n",n_used,lh->num_nodes);
127	fprintf(out,"%lu items\n",total);
128	if (n_used == 0) return;
129	fprintf(out,"load %d.%02d  actual load %d.%02d\n",
130		(int)(total/lh->num_nodes),
131		(int)((total%lh->num_nodes)*100/lh->num_nodes),
132		(int)(total/n_used),
133		(int)((total%n_used)*100/n_used));
134	}
135
136#else
137
138#ifndef NO_FP_API
139void lh_stats(LHASH *lh, FILE *fp)
140	{
141	BIO *bp;
142
143	bp=BIO_new(BIO_s_file());
144	if (bp == NULL) goto end;
145	BIO_set_fp(bp,fp,BIO_NOCLOSE);
146	lh_stats_bio(lh,bp);
147	BIO_free(bp);
148end:;
149	}
150
151void lh_node_stats(LHASH *lh, FILE *fp)
152	{
153	BIO *bp;
154
155	bp=BIO_new(BIO_s_file());
156	if (bp == NULL) goto end;
157	BIO_set_fp(bp,fp,BIO_NOCLOSE);
158	lh_node_stats_bio(lh,bp);
159	BIO_free(bp);
160end:;
161	}
162
163void lh_node_usage_stats(LHASH *lh, FILE *fp)
164	{
165	BIO *bp;
166
167	bp=BIO_new(BIO_s_file());
168	if (bp == NULL) goto end;
169	BIO_set_fp(bp,fp,BIO_NOCLOSE);
170	lh_node_usage_stats_bio(lh,bp);
171	BIO_free(bp);
172end:;
173	}
174
175#endif
176
177void lh_stats_bio(LHASH *lh, BIO *out)
178	{
179	char buf[128];
180
181	sprintf(buf,"num_items             = %lu\n",lh->num_items);
182	BIO_puts(out,buf);
183	sprintf(buf,"num_nodes             = %u\n",lh->num_nodes);
184	BIO_puts(out,buf);
185	sprintf(buf,"num_alloc_nodes       = %u\n",lh->num_alloc_nodes);
186	BIO_puts(out,buf);
187	sprintf(buf,"num_expands           = %lu\n",lh->num_expands);
188	BIO_puts(out,buf);
189	sprintf(buf,"num_expand_reallocs   = %lu\n",lh->num_expand_reallocs);
190	BIO_puts(out,buf);
191	sprintf(buf,"num_contracts         = %lu\n",lh->num_contracts);
192	BIO_puts(out,buf);
193	sprintf(buf,"num_contract_reallocs = %lu\n",lh->num_contract_reallocs);
194	BIO_puts(out,buf);
195	sprintf(buf,"num_hash_calls        = %lu\n",lh->num_hash_calls);
196	BIO_puts(out,buf);
197	sprintf(buf,"num_comp_calls        = %lu\n",lh->num_comp_calls);
198	BIO_puts(out,buf);
199	sprintf(buf,"num_insert            = %lu\n",lh->num_insert);
200	BIO_puts(out,buf);
201	sprintf(buf,"num_replace           = %lu\n",lh->num_replace);
202	BIO_puts(out,buf);
203	sprintf(buf,"num_delete            = %lu\n",lh->num_delete);
204	BIO_puts(out,buf);
205	sprintf(buf,"num_no_delete         = %lu\n",lh->num_no_delete);
206	BIO_puts(out,buf);
207	sprintf(buf,"num_retrieve          = %lu\n",lh->num_retrieve);
208	BIO_puts(out,buf);
209	sprintf(buf,"num_retrieve_miss     = %lu\n",lh->num_retrieve_miss);
210	BIO_puts(out,buf);
211	sprintf(buf,"num_hash_comps        = %lu\n",lh->num_hash_comps);
212	BIO_puts(out,buf);
213#ifdef DEBUG
214	sprintf(buf,"p                     = %u\n",lh->p);
215	BIO_puts(out,buf);
216	sprintf(buf,"pmax                  = %u\n",lh->pmax);
217	BIO_puts(out,buf);
218	sprintf(buf,"up_load               = %lu\n",lh->up_load);
219	BIO_puts(out,buf);
220	sprintf(buf,"down_load             = %lu\n",lh->down_load);
221	BIO_puts(out,buf);
222#endif
223	}
224
225void lh_node_stats_bio(LHASH *lh, BIO *out)
226	{
227	LHASH_NODE *n;
228	unsigned int i,num;
229	char buf[128];
230
231	for (i=0; i<lh->num_nodes; i++)
232		{
233		for (n=lh->b[i],num=0; n != NULL; n=n->next)
234			num++;
235		sprintf(buf,"node %6u -> %3u\n",i,num);
236		BIO_puts(out,buf);
237		}
238	}
239
240void lh_node_usage_stats_bio(LHASH *lh, BIO *out)
241	{
242	LHASH_NODE *n;
243	unsigned long num;
244	unsigned int i;
245	unsigned long total=0,n_used=0;
246	char buf[128];
247
248	for (i=0; i<lh->num_nodes; i++)
249		{
250		for (n=lh->b[i],num=0; n != NULL; n=n->next)
251			num++;
252		if (num != 0)
253			{
254			n_used++;
255			total+=num;
256			}
257		}
258	sprintf(buf,"%lu nodes used out of %u\n",n_used,lh->num_nodes);
259	BIO_puts(out,buf);
260	sprintf(buf,"%lu items\n",total);
261	BIO_puts(out,buf);
262	if (n_used == 0) return;
263	sprintf(buf,"load %d.%02d  actual load %d.%02d\n",
264		(int)(total/lh->num_nodes),
265		(int)((total%lh->num_nodes)*100/lh->num_nodes),
266		(int)(total/n_used),
267		(int)((total%n_used)*100/n_used));
268	BIO_puts(out,buf);
269	}
270
271#endif
272