pdb.c revision 1.6
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 #include <sys/cdefs.h> 32 #ifndef lint 33 __RCSID("$NetBSD: pdb.c,v 1.6 1998/08/27 20:31:01 ross Exp $"); 34 #endif 35 36 #include <sys/types.h> 37 #include <sys/acct.h> 38 #include <err.h> 39 #include <errno.h> 40 #include <fcntl.h> 41 #include <stdio.h> 42 #include <string.h> 43 #include "extern.h" 44 #include "pathnames.h" 45 46 static int check_junk __P((struct cmdinfo *)); 47 static void add_ci __P((const struct cmdinfo *, struct cmdinfo *)); 48 static void print_ci __P((const struct cmdinfo *, const struct cmdinfo *)); 49 50 static DB *pacct_db; 51 52 int 53 pacct_init() 54 { 55 DB *saved_pacct_db; 56 int error; 57 58 pacct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, NULL); 59 if (pacct_db == NULL) 60 return (-1); 61 62 error = 0; 63 if (!iflag) { 64 DBT key, data; 65 int serr, nerr; 66 67 saved_pacct_db = dbopen(_PATH_SAVACCT, O_RDONLY, 0, DB_BTREE, 68 NULL); 69 if (saved_pacct_db == NULL) { 70 error = errno == ENOENT ? 0 : -1; 71 if (error) 72 warn("retrieving process accounting summary"); 73 goto out; 74 } 75 76 serr = DB_SEQ(saved_pacct_db, &key, &data, R_FIRST); 77 if (serr < 0) { 78 warn("retrieving process accounting summary"); 79 error = -1; 80 goto closeout; 81 } 82 while (serr == 0) { 83 nerr = DB_PUT(pacct_db, &key, &data, 0); 84 if (nerr < 0) { 85 warn("initializing process accounting stats"); 86 error = -1; 87 break; 88 } 89 90 serr = DB_SEQ(saved_pacct_db, &key, &data, R_NEXT); 91 if (serr < 0) { 92 warn("retrieving process accounting summary"); 93 error = -1; 94 break; 95 } 96 } 97 98 closeout: if (DB_CLOSE(saved_pacct_db) < 0) { 99 warn("closing process accounting summary"); 100 error = -1; 101 } 102 } 103 104 out: if (error != 0) 105 pacct_destroy(); 106 return (error); 107 } 108 109 void 110 pacct_destroy() 111 { 112 if (DB_CLOSE(pacct_db) < 0) 113 warn("destroying process accounting stats"); 114 } 115 116 int 117 pacct_add(ci) 118 const struct cmdinfo *ci; 119 { 120 DBT key, data; 121 struct cmdinfo newci; 122 char keydata[sizeof(ci->ci_comm)]; 123 int rv; 124 125 memcpy(&keydata, ci->ci_comm, sizeof(keydata)); 126 key.data = &keydata; 127 key.size = strlen(keydata); 128 129 rv = DB_GET(pacct_db, &key, &data, 0); 130 if (rv < 0) { 131 warn("get key %s from process accounting stats", ci->ci_comm); 132 return (-1); 133 } else if (rv == 0) { /* it's there; copy whole thing */ 134 /* XXX compare size if paranoid */ 135 /* add the old data to the new data */ 136 memcpy(&newci, data.data, data.size); 137 } else { /* it's not there; zero it and copy the key */ 138 memset(&newci, 0, sizeof(newci)); 139 memcpy(newci.ci_comm, key.data, key.size); 140 } 141 142 add_ci(ci, &newci); 143 144 data.data = &newci; 145 data.size = sizeof(newci); 146 rv = DB_PUT(pacct_db, &key, &data, 0); 147 if (rv < 0) { 148 warn("add key %s to process accounting stats", ci->ci_comm); 149 return (-1); 150 } else if (rv == 1) { 151 warnx("duplicate key %s in process accounting stats", 152 ci->ci_comm); 153 return (-1); 154 } 155 156 return (0); 157 } 158 159 int 160 pacct_update() 161 { 162 DB *saved_pacct_db; 163 DBT key, data; 164 int error, serr, nerr; 165 166 saved_pacct_db = dbopen(_PATH_SAVACCT, O_RDWR|O_CREAT|O_TRUNC, 0644, 167 DB_BTREE, NULL); 168 if (saved_pacct_db == NULL) { 169 warn("creating process accounting summary"); 170 return (-1); 171 } 172 173 error = 0; 174 175 serr = DB_SEQ(pacct_db, &key, &data, R_FIRST); 176 if (serr < 0) { 177 warn("retrieving process accounting stats"); 178 error = -1; 179 } 180 while (serr == 0) { 181 nerr = DB_PUT(saved_pacct_db, &key, &data, 0); 182 if (nerr < 0) { 183 warn("saving process accounting summary"); 184 error = -1; 185 break; 186 } 187 188 serr = DB_SEQ(pacct_db, &key, &data, R_NEXT); 189 if (serr < 0) { 190 warn("retrieving process accounting stats"); 191 error = -1; 192 break; 193 } 194 } 195 196 if (DB_SYNC(saved_pacct_db, 0) < 0) { 197 warn("syncing process accounting summary"); 198 error = -1; 199 } 200 if (DB_CLOSE(saved_pacct_db) < 0) { 201 warn("closing process accounting summary"); 202 error = -1; 203 } 204 return error; 205 } 206 207 void 208 pacct_print() 209 { 210 BTREEINFO bti; 211 DBT key, data, ndata; 212 DB *output_pacct_db; 213 struct cmdinfo *cip, ci, ci_total, ci_other, ci_junk; 214 int rv; 215 216 memset(&ci_total, 0, sizeof(ci_total)); 217 strcpy(ci_total.ci_comm, ""); 218 memset(&ci_other, 0, sizeof(ci_other)); 219 strcpy(ci_other.ci_comm, "***other"); 220 memset(&ci_junk, 0, sizeof(ci_junk)); 221 strcpy(ci_junk.ci_comm, "**junk**"); 222 223 /* 224 * Retrieve them into new DB, sorted by appropriate key. 225 * At the same time, cull 'other' and 'junk' 226 */ 227 memset(&bti, 0, sizeof(bti)); 228 bti.compare = sa_cmp; 229 output_pacct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, &bti); 230 if (output_pacct_db == NULL) { 231 warn("couldn't sort process accounting stats"); 232 return; 233 } 234 235 ndata.data = NULL; 236 ndata.size = 0; 237 rv = DB_SEQ(pacct_db, &key, &data, R_FIRST); 238 if (rv < 0) 239 warn("retrieving process accounting stats"); 240 while (rv == 0) { 241 cip = (struct cmdinfo *) data.data; 242 memcpy(&ci, cip, sizeof(ci)); 243 244 /* add to total */ 245 add_ci(&ci, &ci_total); 246 247 if (vflag && ci.ci_calls <= cutoff && 248 (fflag || check_junk(&ci))) { 249 /* put it into **junk** */ 250 add_ci(&ci, &ci_junk); 251 goto next; 252 } 253 if (!aflag && 254 ((ci.ci_flags & CI_UNPRINTABLE) != 0 || ci.ci_calls <= 1)) { 255 /* put into ***other */ 256 add_ci(&ci, &ci_other); 257 goto next; 258 } 259 rv = DB_PUT(output_pacct_db, &data, &ndata, 0); 260 if (rv < 0) 261 warn("sorting process accounting stats"); 262 263 next: rv = DB_SEQ(pacct_db, &key, &data, R_NEXT); 264 if (rv < 0) 265 warn("retrieving process accounting stats"); 266 } 267 268 /* insert **junk** and ***other */ 269 if (ci_junk.ci_calls != 0) { 270 data.data = &ci_junk; 271 data.size = sizeof(ci_junk); 272 rv = DB_PUT(output_pacct_db, &data, &ndata, 0); 273 if (rv < 0) 274 warn("sorting process accounting stats"); 275 } 276 if (ci_other.ci_calls != 0) { 277 data.data = &ci_other; 278 data.size = sizeof(ci_other); 279 rv = DB_PUT(output_pacct_db, &data, &ndata, 0); 280 if (rv < 0) 281 warn("sorting process accounting stats"); 282 } 283 284 /* print out the total */ 285 print_ci(&ci_total, &ci_total); 286 287 /* print out; if reversed, print first (smallest) first */ 288 rv = DB_SEQ(output_pacct_db, &data, &ndata, rflag ? R_FIRST : R_LAST); 289 if (rv < 0) 290 warn("retrieving process accounting report"); 291 while (rv == 0) { 292 cip = (struct cmdinfo *) data.data; 293 memcpy(&ci, cip, sizeof(ci)); 294 295 print_ci(&ci, &ci_total); 296 297 rv = DB_SEQ(output_pacct_db, &data, &ndata, 298 rflag ? R_NEXT : R_PREV); 299 if (rv < 0) 300 warn("retrieving process accounting report"); 301 } 302 DB_CLOSE(output_pacct_db); 303 } 304 305 static int 306 check_junk(cip) 307 struct cmdinfo *cip; 308 { 309 char *cp; 310 size_t len; 311 312 fprintf(stderr, "%s (%qu) -- ", cip->ci_comm, 313 (unsigned long long)cip->ci_calls); 314 cp = fgetln(stdin, &len); 315 316 return (cp && (cp[0] == 'y' || cp[0] == 'Y')) ? 1 : 0; 317 } 318 319 static void 320 add_ci(fromcip, tocip) 321 const struct cmdinfo *fromcip; 322 struct cmdinfo *tocip; 323 { 324 tocip->ci_calls += fromcip->ci_calls; 325 tocip->ci_etime += fromcip->ci_etime; 326 tocip->ci_utime += fromcip->ci_utime; 327 tocip->ci_stime += fromcip->ci_stime; 328 tocip->ci_mem += fromcip->ci_mem; 329 tocip->ci_io += fromcip->ci_io; 330 } 331 332 static void 333 print_ci(cip, totalcip) 334 const struct cmdinfo *cip, *totalcip; 335 { 336 double t, c; 337 int uflow; 338 339 c = cip->ci_calls ? cip->ci_calls : 1; 340 t = (cip->ci_utime + cip->ci_stime) / (double) AHZ; 341 if (t < 0.01) { 342 t = 0.01; 343 uflow = 1; 344 } else 345 uflow = 0; 346 347 printf("%8qu ", (unsigned long long)cip->ci_calls); 348 if (cflag) { 349 if (cip != totalcip) 350 printf(" %4.2f%% ", 351 cip->ci_calls / (double) totalcip->ci_calls); 352 else 353 printf(" %4s ", ""); 354 } 355 356 if (jflag) 357 printf("%11.2fre ", cip->ci_etime / (double) (AHZ * c)); 358 else 359 printf("%11.2fre ", cip->ci_etime / (60.0 * AHZ)); 360 if (cflag) { 361 if (cip != totalcip) 362 printf(" %4.2f%% ", 363 cip->ci_etime / (double) totalcip->ci_etime); 364 else 365 printf(" %4s ", ""); 366 } 367 368 if (!lflag) { 369 if (jflag) 370 printf("%11.2fcp ", t / (double) cip->ci_calls); 371 else 372 printf("%11.2fcp ", t / 60.0); 373 if (cflag) { 374 if (cip != totalcip) 375 printf(" %4.2f%% ", 376 (cip->ci_utime + cip->ci_stime) / (double) 377 (totalcip->ci_utime + totalcip->ci_stime)); 378 else 379 printf(" %4s ", ""); 380 } 381 } else { 382 if (jflag) 383 printf("%11.2fu ", cip->ci_utime / (double) (AHZ * c)); 384 else 385 printf("%11.2fu ", cip->ci_utime / (60.0 * AHZ)); 386 if (cflag) { 387 if (cip != totalcip) 388 printf(" %4.2f%% ", cip->ci_utime / (double) totalcip->ci_utime); 389 else 390 printf(" %4s ", ""); 391 } 392 if (jflag) 393 printf("%11.2fs ", cip->ci_stime / (double) (AHZ * c)); 394 else 395 printf("%11.2fs ", cip->ci_stime / (60.0 * AHZ)); 396 if (cflag) { 397 if (cip != totalcip) 398 printf(" %4.2f%% ", cip->ci_stime / (double) totalcip->ci_stime); 399 else 400 printf(" %4s ", ""); 401 } 402 } 403 404 if (tflag) { 405 if (!uflow) 406 printf("%8.2fre/cp ", cip->ci_etime / (double) (cip->ci_utime + cip->ci_stime)); 407 else 408 printf("%8s ", "*ignore*"); 409 } 410 411 if (Dflag) 412 printf("%10qutio ", (unsigned long long)cip->ci_io); 413 else 414 printf("%8.0favio ", cip->ci_io / c); 415 416 if (Kflag) 417 printf("%10quk*sec ", (unsigned long long)cip->ci_mem); 418 else 419 printf("%8.0fk ", cip->ci_mem / t); 420 421 printf(" %s\n", cip->ci_comm); 422 } 423
Indexes created Tue Sep 30 17:09:57 GMT 2025