1 /*- 2 * Copyright (c) 1990, 1993, 1994 3 * The Regents of the University of California. 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 the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)print.c 8.6 (Berkeley) 4/16/94 34 * $FreeBSD: src/bin/ps/print.c,v 1.36.2.4 2002/11/30 13:00:14 tjr Exp $ 35 * $DragonFly: src/bin/ps/print.c,v 1.17 2004/11/16 12:16:36 joerg Exp $ 36 */ 37 38 #include <sys/param.h> 39 #include <sys/time.h> 40 #include <sys/resource.h> 41 #include <sys/stat.h> 42 43 #include <sys/ucred.h> 44 #include <sys/user.h> 45 #include <sys/sysctl.h> 46 #include <sys/rtprio.h> 47 #include <vm/vm.h> 48 49 #include <err.h> 50 #include <langinfo.h> 51 #include <locale.h> 52 #include <math.h> 53 #include <nlist.h> 54 #include <stddef.h> 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <unistd.h> 58 #include <string.h> 59 #include <vis.h> 60 61 #include "ps.h" 62 63 void 64 printheader(void) 65 { 66 const VAR *v; 67 struct varent *vent; 68 int allempty; 69 70 allempty = 1; 71 STAILQ_FOREACH(vent, &var_head, link) { 72 if (*vent->header != '\0') { 73 allempty = 0; 74 break; 75 } 76 } 77 if (allempty) 78 return; 79 STAILQ_FOREACH(vent, &var_head, link) { 80 v = vent->var; 81 if (v->flag & LJUST) { 82 if (STAILQ_NEXT(vent, link) == NULL) /* last one */ 83 printf("%s", vent->header); 84 else 85 printf("%-*s", vent->width, vent->header); 86 } else 87 printf("%*s", vent->width, vent->header); 88 if (STAILQ_NEXT(vent, link) != NULL) 89 putchar(' '); 90 } 91 putchar('\n'); 92 } 93 94 void 95 command(const KINFO *k, const struct varent *vent) 96 { 97 const VAR *v; 98 int left; 99 char *cp, *vis_env, *vis_args; 100 101 v = vent->var; 102 103 if (cflag) { 104 /* Don't pad the last field. */ 105 if (STAILQ_NEXT(vent, link) == NULL) 106 printf("%s", KI_THREAD(k)->td_comm); 107 else 108 printf("%-*s", vent->width, KI_THREAD(k)->td_comm); 109 return; 110 } 111 112 if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL) 113 err(1, NULL); 114 strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH); 115 if (k->ki_env) { 116 if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL) 117 err(1, NULL); 118 strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH); 119 } else 120 vis_env = NULL; 121 122 if (STAILQ_NEXT(vent, link) == NULL) { 123 /* last field */ 124 if (termwidth == UNLIMITED) { 125 if (vis_env) 126 printf("%s ", vis_env); 127 printf("%s", vis_args); 128 } else { 129 left = termwidth - (totwidth - vent->width); 130 if (left < 1) /* already wrapped, just use std width */ 131 left = vent->width; 132 if ((cp = vis_env) != NULL) { 133 while (--left >= 0 && *cp) 134 putchar(*cp++); 135 if (--left >= 0) 136 putchar(' '); 137 } 138 for (cp = vis_args; --left >= 0 && *cp != '\0';) 139 putchar(*cp++); 140 } 141 } else 142 /* XXX env? */ 143 printf("%-*.*s", vent->width, vent->width, vis_args); 144 free(vis_args); 145 if (vis_env != NULL) 146 free(vis_env); 147 } 148 149 void 150 ucomm(const KINFO *k, const struct varent *vent) 151 { 152 printf("%-*s", vent->width, KI_THREAD(k)->td_comm); 153 } 154 155 void 156 logname(const KINFO *k, const struct varent *vent) 157 { 158 const char *s = KI_EPROC(k)->e_login; 159 160 printf("%-*s", vent->width, *s != '\0' ? s : "-"); 161 } 162 163 void 164 state(const KINFO *k, const struct varent *vent) 165 { 166 struct proc *p; 167 int flag; 168 char *cp; 169 char buf[16]; 170 171 p = KI_PROC(k); 172 flag = p->p_flag; 173 cp = buf; 174 175 switch (p->p_stat) { 176 177 case SSTOP: 178 *cp = 'T'; 179 break; 180 181 case SSLEEP: 182 if (flag & P_SINTR) /* interruptable (long) */ 183 *cp = p->p_slptime >= MAXSLP ? 'I' : 'S'; 184 else if (KI_THREAD(k)->td_flags & TDF_SINTR) 185 *cp = 'S'; 186 else 187 *cp = 'D'; 188 break; 189 190 case SRUN: 191 case SIDL: 192 *cp = 'R'; 193 if (KI_THREAD(k)->td_flags & TDF_RUNNING) { 194 ++cp; 195 sprintf(cp, "%d", KI_EPROC(k)->e_cpuid); 196 while (cp[1]) 197 ++cp; 198 } 199 break; 200 201 case SZOMB: 202 *cp = 'Z'; 203 break; 204 205 default: 206 *cp = '?'; 207 } 208 cp++; 209 if (!(flag & P_INMEM)) 210 *cp++ = 'W'; 211 if (p->p_nice < NZERO) 212 *cp++ = '<'; 213 else if (p->p_nice > NZERO) 214 *cp++ = 'N'; 215 if (flag & P_TRACED) 216 *cp++ = 'X'; 217 if (flag & P_WEXIT && p->p_stat != SZOMB) 218 *cp++ = 'E'; 219 if (flag & P_PPWAIT) 220 *cp++ = 'V'; 221 if ((flag & P_SYSTEM) || p->p_lock > 0) 222 *cp++ = 'L'; 223 if (numcpus > 1 && KI_THREAD(k)->td_mpcount_unused == 0) 224 *cp++ = 'M'; 225 if (flag & P_JAILED) 226 *cp++ = 'J'; 227 if (KI_EPROC(k)->e_flag & EPROC_SLEADER) 228 *cp++ = 's'; 229 if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid) 230 *cp++ = '+'; 231 *cp = '\0'; 232 printf("%-*s", vent->width, buf); 233 } 234 235 void 236 pri(const KINFO *k, const struct varent *vent) 237 { 238 printf("%*d", vent->width, KI_PROC(k)->p_priority); 239 } 240 241 void 242 uname(const KINFO *k, const struct varent *vent) 243 { 244 printf("%-*s", vent->width, 245 user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0)); 246 } 247 248 int 249 s_uname(const KINFO *k) 250 { 251 return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0))); 252 } 253 254 void 255 runame(const KINFO *k, const struct varent *vent) 256 { 257 printf("%-*s", vent->width, 258 user_from_uid(KI_EPROC(k)->e_ucred.cr_ruid, 0)); 259 } 260 261 int 262 s_runame(const KINFO *k) 263 { 264 return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_ruid, 0))); 265 } 266 267 void 268 tdev(const KINFO *k, const struct varent *vent) 269 { 270 dev_t dev; 271 char buff[16]; 272 273 dev = KI_EPROC(k)->e_tdev; 274 if (dev == NODEV) 275 printf("%*s", vent->width, "??"); 276 else { 277 snprintf(buff, sizeof(buff), "%d/%d", major(dev), minor(dev)); 278 printf("%*s", vent->width, buff); 279 } 280 } 281 282 void 283 tname(const KINFO *k, const struct varent *vent) 284 { 285 dev_t dev; 286 const char *ttname; 287 288 dev = KI_EPROC(k)->e_tdev; 289 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL) 290 printf("%*s ", vent->width-1, "??"); 291 else { 292 if (strncmp(ttname, "tty", 3) == 0 || 293 strncmp(ttname, "cua", 3) == 0) 294 ttname += 3; 295 printf("%*.*s%c", vent->width-1, vent->width-1, ttname, 296 KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-'); 297 } 298 } 299 300 void 301 longtname(const KINFO *k, const struct varent *vent) 302 { 303 dev_t dev; 304 const char *ttname; 305 306 dev = KI_EPROC(k)->e_tdev; 307 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL) 308 printf("%-*s", vent->width, "??"); 309 else 310 printf("%-*s", vent->width, ttname); 311 } 312 313 void 314 started(const KINFO *k, const struct varent *vent) 315 { 316 static time_t now; 317 time_t then; 318 struct tm *tp; 319 char buf[100]; 320 static int use_ampm = -1; 321 322 if (!k->ki_u.u_valid) { 323 printf("%-*s", vent->width, "-"); 324 return; 325 } 326 327 if (use_ampm < 0) 328 use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0'); 329 330 if (KI_THREAD(k)->td_proc != NULL) { 331 then = k->ki_u.u_start.tv_sec; 332 } else { 333 then = KI_THREAD(k)->td_start.tv_sec; 334 if (then < btime.tv_sec) { 335 then = btime.tv_sec; 336 } 337 } 338 339 tp = localtime(&then); 340 if (!now) 341 time(&now); 342 if (now - k->ki_u.u_start.tv_sec < 24 * 3600) { 343 strftime(buf, sizeof(buf) - 1, 344 use_ampm ? "%l:%M%p" : "%k:%M ", tp); 345 } else if (now - k->ki_u.u_start.tv_sec < 7 * 86400) { 346 strftime(buf, sizeof(buf) - 1, 347 use_ampm ? "%a%I%p" : "%a%H ", tp); 348 } else 349 strftime(buf, sizeof(buf) - 1, "%e%b%y", tp); 350 printf("%-*s", vent->width, buf); 351 } 352 353 void 354 lstarted(const KINFO *k, const struct varent *vent) 355 { 356 time_t then; 357 char buf[100]; 358 359 if (!k->ki_u.u_valid) { 360 printf("%-*s", vent->width, "-"); 361 return; 362 } 363 then = k->ki_u.u_start.tv_sec; 364 strftime(buf, sizeof(buf) -1, "%c", localtime(&then)); 365 printf("%-*s", vent->width, buf); 366 } 367 368 void 369 wchan(const KINFO *k, const struct varent *vent) 370 { 371 if (KI_THREAD(k)->td_wchan) { 372 if (KI_THREAD(k)->td_wmesg) 373 printf("%-*.*s", vent->width, vent->width, 374 KI_EPROC(k)->e_wmesg); 375 else 376 printf("%-*lx", vent->width, 377 (long)KI_THREAD(k)->td_wchan); 378 } else 379 printf("%-*s", vent->width, "-"); 380 } 381 382 #ifndef pgtok 383 #define pgtok(a) (((a)*getpagesize())/1024) 384 #endif 385 386 void 387 vsize(const KINFO *k, const struct varent *vent) 388 { 389 printf("%*d", vent->width, (KI_EPROC(k)->e_vm.vm_map.size/1024)); 390 } 391 392 void 393 rssize(const KINFO *k, const struct varent *vent) 394 { 395 /* XXX don't have info about shared */ 396 printf("%*lu", vent->width, (u_long)pgtok(KI_EPROC(k)->e_vm.vm_rssize)); 397 } 398 399 void 400 p_rssize(const KINFO *k, const struct varent *vent) /* doesn't account for text */ 401 { 402 printf("%*ld", vent->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_rssize)); 403 } 404 405 void 406 cputime(const KINFO *k, const struct varent *vent) 407 { 408 long secs; 409 long psecs; /* "parts" of a second. first micro, then centi */ 410 char obuff[128]; 411 static char decimal_point = '\0'; 412 413 if (decimal_point == '\0') 414 decimal_point = localeconv()->decimal_point[0]; 415 416 if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) { 417 secs = 0; 418 psecs = 0; 419 } else { 420 u_int64_t timeus; 421 422 /* 423 * This counts time spent handling interrupts. We could 424 * fix this, but it is not 100% trivial (and interrupt 425 * time fractions only work on the sparc anyway). XXX 426 */ 427 timeus = KI_EPROC(k)->e_uticks + KI_EPROC(k)->e_sticks; 428 secs = timeus / 1000000; 429 psecs = timeus % 1000000; 430 if (sumrusage) { 431 secs += k->ki_u.u_cru.ru_utime.tv_sec + 432 k->ki_u.u_cru.ru_stime.tv_sec; 433 psecs += k->ki_u.u_cru.ru_utime.tv_usec + 434 k->ki_u.u_cru.ru_stime.tv_usec; 435 } 436 /* 437 * round and scale to 100's 438 */ 439 psecs = (psecs + 5000) / 10000; 440 secs += psecs / 100; 441 psecs = psecs % 100; 442 } 443 snprintf(obuff, sizeof(obuff), 444 "%3ld:%02ld%c%02ld", secs/60, secs%60, decimal_point, psecs); 445 printf("%*s", vent->width, obuff); 446 } 447 448 double 449 getpcpu(const KINFO *k) 450 { 451 const struct proc *p; 452 static int failure; 453 454 if (!nlistread) 455 failure = donlist(); 456 if (failure) 457 return (0.0); 458 459 p = KI_PROC(k); 460 #define fxtofl(fixpt) ((double)(fixpt) / fscale) 461 462 /* XXX - I don't like this */ 463 if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0) 464 return (0.0); 465 if (rawcpu) 466 return (100.0 * fxtofl(p->p_pctcpu)); 467 return (100.0 * fxtofl(p->p_pctcpu) / 468 (1.0 - exp(p->p_swtime * log(fxtofl(ccpu))))); 469 } 470 471 void 472 pcpu(const KINFO *k, const struct varent *vent) 473 { 474 printf("%*.1f", vent->width, getpcpu(k)); 475 } 476 477 void 478 pnice(const KINFO *k, const struct varent *vent) 479 { 480 int niceval; 481 482 switch (KI_PROC(k)->p_rtprio.type) { 483 case RTP_PRIO_REALTIME: 484 niceval = PRIO_MIN - 1 - RTP_PRIO_MAX + KI_PROC(k)->p_rtprio.prio; 485 break; 486 case RTP_PRIO_IDLE: 487 niceval = PRIO_MAX + 1 + KI_PROC(k)->p_rtprio.prio; 488 break; 489 case RTP_PRIO_THREAD: 490 niceval = PRIO_MIN - 1 - RTP_PRIO_MAX - KI_PROC(k)->p_rtprio.prio; 491 break; 492 default: 493 niceval = KI_PROC(k)->p_nice - NZERO; 494 break; 495 } 496 printf("%*d", vent->width, niceval); 497 } 498 499 500 double 501 getpmem(const KINFO *k) 502 { 503 static int failure; 504 struct proc *p; 505 struct eproc *e; 506 double fracmem; 507 int szptudot; 508 509 if (!nlistread) 510 failure = donlist(); 511 if (failure) 512 return (0.0); 513 514 p = KI_PROC(k); 515 e = KI_EPROC(k); 516 if ((p->p_flag & P_INMEM) == 0) 517 return (0.0); 518 /* XXX want pmap ptpages, segtab, etc. (per architecture) */ 519 szptudot = UPAGES; 520 /* XXX don't have info about shared */ 521 fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages; 522 return (100.0 * fracmem); 523 } 524 525 void 526 pmem(const KINFO *k, const struct varent *vent) 527 { 528 printf("%*.1f", vent->width, getpmem(k)); 529 } 530 531 void 532 pagein(const KINFO *k, const struct varent *vent) 533 { 534 printf("%*ld", vent->width, 535 k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0); 536 } 537 538 /* ARGSUSED */ 539 void 540 maxrss(const KINFO *k __unused, const struct varent *vent) 541 { 542 /* XXX not yet */ 543 printf("%*s", vent->width, "-"); 544 } 545 546 void 547 tsize(const KINFO *k, const struct varent *vent) 548 { 549 printf("%*ld", vent->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_tsize)); 550 } 551 552 void 553 rtprior(const KINFO *k, const struct varent *vent) 554 { 555 struct rtprio *prtp; 556 char str[8]; 557 unsigned prio, type; 558 559 prtp = (struct rtprio *) ((char *)KI_PROC(k) + vent->var->off); 560 prio = prtp->prio; 561 type = prtp->type; 562 switch (type) { 563 case RTP_PRIO_REALTIME: 564 snprintf(str, sizeof(str), "real:%u", prio); 565 break; 566 case RTP_PRIO_NORMAL: 567 strncpy(str, "normal", sizeof(str)); 568 break; 569 case RTP_PRIO_IDLE: 570 snprintf(str, sizeof(str), "idle:%u", prio); 571 break; 572 default: 573 snprintf(str, sizeof(str), "%u:%u", type, prio); 574 break; 575 } 576 str[sizeof(str) - 1] = '\0'; 577 printf("%*s", vent->width, str); 578 } 579 580 /* 581 * Generic output routines. Print fields from various prototype 582 * structures. 583 */ 584 static void 585 printval(const char *bp, const struct varent *vent) 586 { 587 static char ofmt[32] = "%"; 588 const char *fcp; 589 char *cp; 590 591 cp = ofmt + 1; 592 fcp = vent->var->fmt; 593 if (vent->var->flag & LJUST) 594 *cp++ = '-'; 595 *cp++ = '*'; 596 while ((*cp++ = *fcp++)); 597 598 switch (vent->var->type) { 599 case CHAR: 600 printf(ofmt, vent->width, *(const char *)bp); 601 break; 602 case UCHAR: 603 printf(ofmt, vent->width, *(const u_char *)bp); 604 break; 605 case SHORT: 606 printf(ofmt, vent->width, *(const short *)bp); 607 break; 608 case USHORT: 609 printf(ofmt, vent->width, *(const u_short *)bp); 610 break; 611 case INT: 612 printf(ofmt, vent->width, *(const int *)bp); 613 break; 614 case UINT: 615 printf(ofmt, vent->width, *(const u_int *)bp); 616 break; 617 case LONG: 618 printf(ofmt, vent->width, *(const long *)bp); 619 break; 620 case ULONG: 621 printf(ofmt, vent->width, *(const u_long *)bp); 622 break; 623 case KPTR: 624 printf(ofmt, vent->width, *(const u_long *)bp); 625 break; 626 default: 627 errx(1, "unknown type %d", vent->var->type); 628 } 629 } 630 631 void 632 pvar(const KINFO *k, const struct varent *vent) 633 { 634 printval((char *)((char *)KI_PROC(k) + vent->var->off), vent); 635 } 636 637 void 638 tvar(const KINFO *k, const struct varent *vent) 639 { 640 printval((char *)((char *)KI_THREAD(k) + vent->var->off), vent); 641 } 642 643 void 644 evar(const KINFO *k, const struct varent *vent) 645 { 646 printval((char *)((char *)KI_EPROC(k) + vent->var->off), vent); 647 } 648 649 void 650 uvar(const KINFO *k, const struct varent *vent) 651 { 652 if (k->ki_u.u_valid) 653 printval(((const char *)&k->ki_u + vent->var->off), vent); 654 else 655 printf("%*s", vent->width, "-"); 656 } 657 658 void 659 rvar(const KINFO *k, const struct varent *vent) 660 { 661 if (k->ki_u.u_valid) 662 printval(((const char *)&k->ki_u.u_ru + vent->var->off), vent); 663 else 664 printf("%*s", vent->width, "-"); 665 } 666