sa(8), from NetBSD, FreeBSD smoothing by Michael Reifenberger
[unix-history] / usr.sbin / sa / usrdb.c
CommitLineData
7e7051a8
GR
1/*
2 * Copyright (c) 1994 Christopher G. Demetriou
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Christopher G. Demetriou.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef LINT
32static char rcsid[] = "$Id: usrdb.c,v 1.1 1994/03/24 18:42:01 cgd Exp $";
33#endif
34
35#include <sys/types.h>
36#include <sys/acct.h>
37#include <err.h>
38#include <errno.h>
39#include <fcntl.h>
40#include <pwd.h>
41#include "extern.h"
42#include "pathnames.h"
43
44static int uid_compare __P((const DBT *, const DBT *));
45
46static DB *usracct_db;
47
48int
49usracct_init()
50{
51 DB *saved_usracct_db;
52 BTREEINFO bti;
53 int error;
54
55 bzero(&bti, sizeof bti);
56 bti.compare = uid_compare;
57
58 usracct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, &bti);
59 if (usracct_db == NULL)
60 return (-1);
61
62 error = 0;
63 if (!iflag) {
64 DBT key, data;
65 int serr, nerr;
66
67 saved_usracct_db = dbopen(_PATH_USRACCT, O_RDONLY, 0, DB_BTREE,
68 &bti);
69 if (saved_usracct_db == NULL) {
70 error = (errno == ENOENT) ? 0 : -1;
71 if (error)
72 warn("retrieving user accounting summary");
73 goto out;
74 }
75
76 serr = DB_SEQ(saved_usracct_db, &key, &data, R_FIRST);
77 if (serr < 0) {
78 warn("retrieving user accounting summary");
79 error = -1;
80 goto closeout;
81 }
82 while (serr == 0) {
83 nerr = DB_PUT(usracct_db, &key, &data, 0);
84 if (nerr < 0) {
85 warn("initializing user accounting stats");
86 error = -1;
87 break;
88 }
89
90 serr = DB_SEQ(saved_usracct_db, &key, &data, R_NEXT);
91 if (serr < 0) {
92 warn("retrieving user accounting summary");
93 error = -1;
94 break;
95 }
96 }
97
98closeout:
99 if (DB_CLOSE(saved_usracct_db) < 0) {
100 warn("closing user accounting summary");
101 error = -1;
102 }
103 }
104
105out:
106 if (error != 0)
107 usracct_destroy();
108 return (error);
109}
110
111void
112usracct_destroy()
113{
114 if (DB_CLOSE(usracct_db) < 0)
115 warn("destroying user accounting stats");
116}
117
118int
119usracct_add(ci)
120 const struct cmdinfo *ci;
121{
122 DBT key, data;
123 struct userinfo newui;
124 u_long uid;
125 int rv;
126
127 uid = ci->ci_uid;
128 key.data = &uid;
129 key.size = sizeof uid;
130
131 rv = DB_GET(usracct_db, &key, &data, 0);
132 if (rv < 0) {
133 warn("get key %d from user accounting stats", uid);
134 return (-1);
135 } else if (rv == 0) { /* it's there; copy whole thing */
136 /* add the old data to the new data */
137 bcopy(data.data, &newui, data.size);
138 if (newui.ui_uid != uid) {
139 warnx("key %d != expected record number %d",
140 newui.ui_uid, uid);
141 warnx("inconsistent user accounting stats");
142 return (-1);
143 }
144 } else { /* it's not there; zero it and copy the key */
145 bzero(&newui, sizeof newui);
146 newui.ui_uid = ci->ci_uid;
147 }
148
149 newui.ui_calls += ci->ci_calls;
150 newui.ui_utime += ci->ci_utime;
151 newui.ui_stime += ci->ci_stime;
152 newui.ui_mem += ci->ci_mem;
153 newui.ui_io += ci->ci_io;
154
155 data.data = &newui;
156 data.size = sizeof newui;
157 rv = DB_PUT(usracct_db, &key, &data, 0);
158 if (rv < 0) {
159 warn("add key %d to user accounting stats", uid);
160 return (-1);
161 } else if (rv != 0) {
162 warnx("DB_PUT returned 1");
163 return (-1);
164 }
165
166 return (0);
167}
168
169int
170usracct_update()
171{
172 DB *saved_usracct_db;
173 DBT key, data;
174 BTREEINFO bti;
175 u_long uid;
176 int error, serr, nerr;
177
178 bzero(&bti, sizeof bti);
179 bti.compare = uid_compare;
180
181 saved_usracct_db = dbopen(_PATH_USRACCT, O_RDWR|O_CREAT|O_TRUNC, 0644,
182 DB_BTREE, &bti);
183 if (saved_usracct_db == NULL) {
184 warn("creating user accounting summary");
185 return (-1);
186 }
187
188 error = 0;
189
190 serr = DB_SEQ(usracct_db, &key, &data, R_FIRST);
191 if (serr < 0) {
192 warn("retrieving user accounting stats");
193 error = -1;
194 }
195 while (serr == 0) {
196 nerr = DB_PUT(saved_usracct_db, &key, &data, 0);
197 if (nerr < 0) {
198 warn("saving user accounting summary");
199 error = -1;
200 break;
201 }
202
203 serr = DB_SEQ(usracct_db, &key, &data, R_NEXT);
204 if (serr < 0) {
205 warn("retrieving user accounting stats");
206 error = -1;
207 break;
208 }
209 }
210
211 if (DB_SYNC(saved_usracct_db, 0) < 0) {
212 warn("syncing process accounting summary");
213 error = -1;
214 }
215out:
216 if (DB_CLOSE(saved_usracct_db) < 0) {
217 warn("closing process accounting summary");
218 error = -1;
219 }
220 return error;
221}
222
223void
224usracct_print()
225{
226 DBT key, data;
227 struct userinfo *ui;
228 struct passwd *pwd;
229 double t;
230 int rv;
231
232 rv = DB_SEQ(usracct_db, &key, &data, R_FIRST);
233 if (rv < 0)
234 warn("retrieving user accounting stats");
235
236 while (rv == 0) {
237 ui = (struct userinfo *) data.data;
238
239 pwd = getpwuid(ui->ui_uid);
240 printf("%-8s %9qu ",
241 pwd->pw_name, ui->ui_calls);
242 /*user_from_uid(ui->ui_uid, 0), ui->ui_calls);*/
243
244 t = (double) (ui->ui_utime + ui->ui_stime) /
245 (double) AHZ;
246 if (t < 0.0001) /* kill divide by zero */
247 t = 0.0001;
248
249 printf("%12.2lf%s ", t / 60.0, "cpu");
250
251 /* ui->ui_calls is always != 0 */
252 if (dflag)
253 printf("%12qu%s", ui->ui_io / ui->ui_calls, "avio");
254 else
255 printf("%12qu%s", ui->ui_io, "tio");
256
257 /* t is always >= 0.0001; see above */
258 if (kflag)
259 printf("%12qu%s", ui->ui_mem / t, "k");
260 else
261 printf("%12qu%s", ui->ui_mem, "k*sec");
262
263 printf("\n");
264
265 rv = DB_SEQ(usracct_db, &key, &data, R_NEXT);
266 if (rv < 0)
267 warn("retrieving user accounting stats");
268 }
269}
270
271static int
272uid_compare(k1, k2)
273 const DBT *k1, *k2;
274{
275 u_long d1, d2;
276
277 bcopy(k1->data, &d1, sizeof d1);
278 bcopy(k2->data, &d2, sizeof d2);
279
280 if (d1 < d2)
281 return -1;
282 else if (d1 == d2)
283 return 0;
284 else
285 return 1;
286}