1 /*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright (c) 1994 Christopher G. Demetriou
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Christopher G. Demetriou.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/types.h>
34 #include <sys/acct.h>
35 #include <err.h>
36 #include <errno.h>
37 #include <fcntl.h>
38 #include <stdbool.h>
39 #include <stdint.h>
40 #include <stdio.h>
41 #include <string.h>
42 #include "extern.h"
43 #include "pathnames.h"
44
45 static int check_junk(const struct cmdinfo *);
46 static void add_ci(const struct cmdinfo *, struct cmdinfo *);
47 static void print_ci(const struct cmdinfo *, const struct cmdinfo *);
48
49 static DB *pacct_db;
50
51 /* Legacy format in AHZV1 units. */
52 struct cmdinfov1 {
53 char ci_comm[MAXCOMLEN+2]; /* command name (+ '*') */
54 uid_t ci_uid; /* user id */
55 u_quad_t ci_calls; /* number of calls */
56 u_quad_t ci_etime; /* elapsed time */
57 u_quad_t ci_utime; /* user time */
58 u_quad_t ci_stime; /* system time */
59 u_quad_t ci_mem; /* memory use */
60 u_quad_t ci_io; /* number of disk i/o ops */
61 u_int ci_flags; /* flags; see below */
62 };
63
64 /*
65 * Convert a v1 data record into the current version.
66 * Return 0 if OK, -1 on error, setting errno.
67 */
68 static int
v1_to_v2(DBT * key __unused,DBT * data)69 v1_to_v2(DBT *key __unused, DBT *data)
70 {
71 struct cmdinfov1 civ1;
72 static struct cmdinfo civ2;
73
74 if (data->size != sizeof(civ1)) {
75 errno = EFTYPE;
76 return (-1);
77 }
78 memcpy(&civ1, data->data, data->size);
79 memset(&civ2, 0, sizeof(civ2));
80 memcpy(civ2.ci_comm, civ1.ci_comm, sizeof(civ2.ci_comm));
81 civ2.ci_uid = civ1.ci_uid;
82 civ2.ci_calls = civ1.ci_calls;
83 civ2.ci_etime = ((double)civ1.ci_etime / AHZV1) * 1000000;
84 civ2.ci_utime = ((double)civ1.ci_utime / AHZV1) * 1000000;
85 civ2.ci_stime = ((double)civ1.ci_stime / AHZV1) * 1000000;
86 civ2.ci_mem = civ1.ci_mem;
87 civ2.ci_io = civ1.ci_io;
88 civ2.ci_flags = civ1.ci_flags;
89 data->size = sizeof(civ2);
90 data->data = &civ2;
91 return (0);
92 }
93
94 /* Copy pdb_file to in-memory pacct_db. */
95 int
pacct_init(void)96 pacct_init(void)
97 {
98 return (db_copy_in(&pacct_db, pdb_file, "process accounting",
99 NULL, v1_to_v2));
100 }
101
102 void
pacct_destroy(void)103 pacct_destroy(void)
104 {
105 db_destroy(pacct_db, "process accounting");
106 }
107
108 int
pacct_add(const struct cmdinfo * ci)109 pacct_add(const struct cmdinfo *ci)
110 {
111 DBT key, data;
112 struct cmdinfo newci;
113 char keydata[sizeof ci->ci_comm];
114 int rv;
115
116 bcopy(ci->ci_comm, &keydata, sizeof keydata);
117 key.data = &keydata;
118 key.size = strlen(keydata);
119
120 rv = DB_GET(pacct_db, &key, &data, 0);
121 if (rv < 0) {
122 warn("get key %s from process accounting stats", ci->ci_comm);
123 return (-1);
124 } else if (rv == 0) { /* it's there; copy whole thing */
125 /* XXX compare size if paranoid */
126 /* add the old data to the new data */
127 bcopy(data.data, &newci, data.size);
128 } else { /* it's not there; zero it and copy the key */
129 bzero(&newci, sizeof newci);
130 bcopy(key.data, newci.ci_comm, key.size);
131 }
132
133 add_ci(ci, &newci);
134
135 data.data = &newci;
136 data.size = sizeof newci;
137 rv = DB_PUT(pacct_db, &key, &data, 0);
138 if (rv < 0) {
139 warn("add key %s to process accounting stats", ci->ci_comm);
140 return (-1);
141 } else if (rv == 1) {
142 warnx("duplicate key %s in process accounting stats",
143 ci->ci_comm);
144 return (-1);
145 }
146
147 return (0);
148 }
149
150 /* Copy in-memory pacct_db to pdb_file. */
151 int
pacct_update(void)152 pacct_update(void)
153 {
154 return (db_copy_out(pacct_db, pdb_file, "process accounting",
155 NULL));
156 }
157
158 void
pacct_print(void)159 pacct_print(void)
160 {
161 BTREEINFO bti;
162 DBT key, data, ndata;
163 DB *output_pacct_db;
164 struct cmdinfo *cip, ci, ci_total, ci_other, ci_junk;
165 int rv;
166
167 bzero(&ci_total, sizeof ci_total);
168 strcpy(ci_total.ci_comm, "");
169 bzero(&ci_other, sizeof ci_other);
170 strcpy(ci_other.ci_comm, "***other");
171 bzero(&ci_junk, sizeof ci_junk);
172 strcpy(ci_junk.ci_comm, "**junk**");
173
174 /*
175 * Retrieve them into new DB, sorted by appropriate key.
176 * At the same time, cull 'other' and 'junk'
177 */
178 bzero(&bti, sizeof bti);
179 bti.compare = sa_cmp;
180 output_pacct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, &bti);
181 if (output_pacct_db == NULL) {
182 warn("couldn't sort process accounting stats");
183 return;
184 }
185
186 ndata.data = NULL;
187 ndata.size = 0;
188 rv = DB_SEQ(pacct_db, &key, &data, R_FIRST);
189 if (rv < 0)
190 warn("retrieving process accounting stats");
191 while (rv == 0) {
192 cip = (struct cmdinfo *) data.data;
193 bcopy(cip, &ci, sizeof ci);
194
195 /* add to total */
196 add_ci(&ci, &ci_total);
197
198 if (vflag && ci.ci_calls <= cutoff &&
199 (fflag || check_junk(&ci))) {
200 /* put it into **junk** */
201 add_ci(&ci, &ci_junk);
202 goto next;
203 }
204 if (!aflag &&
205 ((ci.ci_flags & CI_UNPRINTABLE) != 0 || ci.ci_calls <= 1)) {
206 /* put into ***other */
207 add_ci(&ci, &ci_other);
208 goto next;
209 }
210 rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
211 if (rv < 0)
212 warn("sorting process accounting stats");
213
214 next: rv = DB_SEQ(pacct_db, &key, &data, R_NEXT);
215 if (rv < 0)
216 warn("retrieving process accounting stats");
217 }
218
219 /* insert **junk** and ***other */
220 if (ci_junk.ci_calls != 0) {
221 data.data = &ci_junk;
222 data.size = sizeof ci_junk;
223 rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
224 if (rv < 0)
225 warn("sorting process accounting stats");
226 }
227 if (ci_other.ci_calls != 0) {
228 data.data = &ci_other;
229 data.size = sizeof ci_other;
230 rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
231 if (rv < 0)
232 warn("sorting process accounting stats");
233 }
234
235 /* print out the total */
236 print_ci(&ci_total, &ci_total);
237
238 /* print out; if reversed, print first (smallest) first */
239 rv = DB_SEQ(output_pacct_db, &data, &ndata, rflag ? R_FIRST : R_LAST);
240 if (rv < 0)
241 warn("retrieving process accounting report");
242 while (rv == 0) {
243 cip = (struct cmdinfo *) data.data;
244 bcopy(cip, &ci, sizeof ci);
245
246 print_ci(&ci, &ci_total);
247
248 rv = DB_SEQ(output_pacct_db, &data, &ndata,
249 rflag ? R_NEXT : R_PREV);
250 if (rv < 0)
251 warn("retrieving process accounting report");
252 }
253 DB_CLOSE(output_pacct_db);
254 }
255
256 static int
check_junk(const struct cmdinfo * cip)257 check_junk(const struct cmdinfo *cip)
258 {
259 char *cp;
260 size_t len;
261
262 fprintf(stderr, "%s (%ju) -- ", cip->ci_comm, (uintmax_t)cip->ci_calls);
263 cp = fgetln(stdin, &len);
264
265 return (cp && (cp[0] == 'y' || cp[0] == 'Y')) ? 1 : 0;
266 }
267
268 static void
add_ci(const struct cmdinfo * fromcip,struct cmdinfo * tocip)269 add_ci(const struct cmdinfo *fromcip, struct cmdinfo *tocip)
270 {
271 tocip->ci_calls += fromcip->ci_calls;
272 tocip->ci_etime += fromcip->ci_etime;
273 tocip->ci_utime += fromcip->ci_utime;
274 tocip->ci_stime += fromcip->ci_stime;
275 tocip->ci_mem += fromcip->ci_mem;
276 tocip->ci_io += fromcip->ci_io;
277 }
278
279 static void
print_ci(const struct cmdinfo * cip,const struct cmdinfo * totalcip)280 print_ci(const struct cmdinfo *cip, const struct cmdinfo *totalcip)
281 {
282 double t, c;
283 int uflow;
284
285 c = cip->ci_calls ? cip->ci_calls : 1;
286 t = (cip->ci_utime + cip->ci_stime) / 1000000;
287 if (t < 0.01) {
288 t = 0.01;
289 uflow = 1;
290 } else
291 uflow = 0;
292
293 printf("%8ju ", (uintmax_t)cip->ci_calls);
294 if (cflag) {
295 if (cip != totalcip)
296 printf(" %4.1f%% ", cip->ci_calls /
297 (double)totalcip->ci_calls * 100);
298 else
299 printf(" %4s ", "");
300 }
301
302 if (jflag)
303 printf("%11.3fre ", cip->ci_etime / (1000000 * c));
304 else
305 printf("%11.3fre ", cip->ci_etime / (60.0 * 1000000));
306 if (cflag) {
307 if (cip != totalcip)
308 printf(" %4.1f%% ", cip->ci_etime /
309 totalcip->ci_etime * 100);
310 else
311 printf(" %4s ", "");
312 }
313
314 if (!lflag) {
315 if (jflag)
316 printf("%11.3fcp ", t / (double) cip->ci_calls);
317 else
318 printf("%11.2fcp ", t / 60.0);
319 if (cflag) {
320 if (cip != totalcip)
321 printf(" %4.1f%% ",
322 (cip->ci_utime + cip->ci_stime) /
323 (totalcip->ci_utime + totalcip->ci_stime) *
324 100);
325 else
326 printf(" %4s ", "");
327 }
328 } else {
329 if (jflag)
330 printf("%11.3fu ", cip->ci_utime / (1000000 * c));
331 else
332 printf("%11.2fu ", cip->ci_utime / (60.0 * 1000000));
333 if (cflag) {
334 if (cip != totalcip)
335 printf(" %4.1f%% ", cip->ci_utime /
336 (double)totalcip->ci_utime * 100);
337 else
338 printf(" %4s ", "");
339 }
340 if (jflag)
341 printf("%11.3fs ", cip->ci_stime / (1000000 * c));
342 else
343 printf("%11.2fs ", cip->ci_stime / (60.0 * 1000000));
344 if (cflag) {
345 if (cip != totalcip)
346 printf(" %4.1f%% ", cip->ci_stime /
347 (double)totalcip->ci_stime * 100);
348 else
349 printf(" %4s ", "");
350 }
351 }
352
353 if (tflag) {
354 if (!uflow)
355 printf("%8.2fre/cp ",
356 cip->ci_etime /
357 (cip->ci_utime + cip->ci_stime));
358 else
359 printf("*ignore* ");
360 }
361
362 if (Dflag)
363 printf("%10.0fio ", cip->ci_io);
364 else
365 printf("%8.0favio ", cip->ci_io / c);
366
367 if (Kflag)
368 printf("%10.0fk*sec ", cip->ci_mem);
369 else
370 printf("%8.0fk ", cip->ci_mem / t);
371
372 printf(" %s\n", cip->ci_comm);
373 }
374