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 1.20 2005/03/17 02:17:54 dillon 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 static const char *make_printable(const char *str); 64 65 void 66 printheader(void) 67 { 68 const VAR *v; 69 struct varent *vent; 70 int allempty; 71 72 allempty = 1; 73 STAILQ_FOREACH(vent, &var_head, link) { 74 if (*vent->header != '\0') { 75 allempty = 0; 76 break; 77 } 78 } 79 if (allempty) 80 return; 81 STAILQ_FOREACH(vent, &var_head, link) { 82 v = vent->var; 83 if (v->flag & LJUST) { 84 if (STAILQ_NEXT(vent, link) == NULL) /* last one */ 85 printf("%s", vent->header); 86 else 87 printf("%-*s", vent->width, vent->header); 88 } else 89 printf("%*s", vent->width, vent->header); 90 if (STAILQ_NEXT(vent, link) != NULL) 91 putchar(' '); 92 } 93 putchar('\n'); 94 } 95 96 void 97 command(const KINFO *k, const struct varent *vent) 98 { 99 const VAR *v; 100 int left; 101 char *cp, *vis_env, *vis_args; 102 103 v = vent->var; 104 105 if (cflag) { 106 /* Don't pad the last field. */ 107 if (STAILQ_NEXT(vent, link) == NULL) 108 printf("%s", make_printable(KI_THREAD(k)->td_comm)); 109 else 110 printf("%-*s", vent->width, 111 make_printable(KI_THREAD(k)->td_comm)); 112 return; 113 } 114 115 if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL) 116 err(1, NULL); 117 strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH); 118 if (k->ki_env) { 119 if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL) 120 err(1, NULL); 121 strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH); 122 } else 123 vis_env = NULL; 124 125 if (STAILQ_NEXT(vent, link) == NULL) { 126 /* last field */ 127 if (termwidth == UNLIMITED) { 128 if (vis_env) 129 printf("%s ", vis_env); 130 printf("%s", vis_args); 131 } else { 132 left = termwidth - (totwidth - vent->width); 133 if (left < 1) /* already wrapped, just use std width */ 134 left = vent->width; 135 if ((cp = vis_env) != NULL) { 136 while (--left >= 0 && *cp) 137 putchar(*cp++); 138 if (--left >= 0) 139 putchar(' '); 140 } 141 for (cp = vis_args; --left >= 0 && *cp != '\0';) 142 putchar(*cp++); 143 } 144 } else 145 /* XXX env? */ 146 printf("%-*.*s", vent->width, vent->width, vis_args); 147 free(vis_args); 148 if (vis_env != NULL) 149 free(vis_env); 150 } 151 152 void 153 ucomm(const KINFO *k, const struct varent *vent) 154 { 155 printf("%-*s", vent->width, make_printable(KI_THREAD(k)->td_comm)); 156 } 157 158 void 159 logname(const KINFO *k, const struct varent *vent) 160 { 161 const char *s = KI_EPROC(k)->e_login; 162 163 printf("%-*s", vent->width, *s != '\0' ? s : "-"); 164 } 165 166 void 167 state(const KINFO *k, const struct varent *vent) 168 { 169 struct proc *p; 170 int flag; 171 char *cp; 172 char buf[16]; 173 174 p = KI_PROC(k); 175 flag = p->p_flag; 176 cp = buf; 177 178 switch (p->p_stat) { 179 180 case SSTOP: 181 *cp = 'T'; 182 break; 183 184 case SSLEEP: 185 if (flag & P_SINTR) /* interruptable (long) */ 186 *cp = p->p_slptime >= MAXSLP ? 'I' : 'S'; 187 else if (KI_THREAD(k)->td_flags & TDF_SINTR) 188 *cp = 'S'; 189 else 190 *cp = 'D'; 191 break; 192 193 case SRUN: 194 case SIDL: 195 *cp = 'R'; 196 if (KI_THREAD(k)->td_flags & TDF_RUNNING) { 197 ++cp; 198 sprintf(cp, "%d", KI_EPROC(k)->e_cpuid); 199 while (cp[1]) 200 ++cp; 201 } 202 break; 203 204 case SZOMB: 205 *cp = 'Z'; 206 break; 207 208 default: 209 *cp = '?'; 210 } 211 cp++; 212 if (!(flag & P_INMEM)) 213 *cp++ = 'W'; 214 if (p->p_nice < NZERO) 215 *cp++ = '<'; 216 else if (p->p_nice > NZERO) 217 *cp++ = 'N'; 218 if (flag & P_TRACED) 219 *cp++ = 'X'; 220 if (flag & P_WEXIT && p->p_stat != SZOMB) 221 *cp++ = 'E'; 222 if (flag & P_PPWAIT) 223 *cp++ = 'V'; 224 if ((flag & P_SYSTEM) || p->p_lock > 0) 225 *cp++ = 'L'; 226 if (numcpus > 1 && KI_THREAD(k)->td_mpcount_unused == 0) 227 *cp++ = 'M'; 228 if (flag & P_JAILED) 229 *cp++ = 'J'; 230 if (KI_EPROC(k)->e_flag & EPROC_SLEADER) 231 *cp++ = 's'; 232 if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid) 233 *cp++ = '+'; 234 *cp = '\0'; 235 printf("%-*s", vent->width, buf); 236 } 237 238 /* 239 * Normalized priority (lower is better). For pure threads 240 * output a negated LWKT priority (so lower still means better). 241 */ 242 void 243 pri(const KINFO *k, const struct varent *vent) 244 { 245 if (KI_THREAD(k)->td_proc) 246 printf("%*d", vent->width, KI_PROC(k)->p_priority); 247 else 248 printf("%*d", vent->width, -(KI_THREAD(k)->td_pri & TDPRI_MASK)); 249 } 250 251 void 252 tdpri(const KINFO *k, const struct varent *vent) 253 { 254 char buf[32]; 255 int val = KI_THREAD(k)->td_pri; 256 257 snprintf(buf, sizeof(buf), "%02d/%d", val & TDPRI_MASK, val / TDPRI_CRIT); 258 printf("%*s", vent->width, buf); 259 } 260 261 void 262 uname(const KINFO *k, const struct varent *vent) 263 { 264 printf("%-*s", vent->width, 265 user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0)); 266 } 267 268 int 269 s_uname(const KINFO *k) 270 { 271 return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0))); 272 } 273 274 void 275 runame(const KINFO *k, const struct varent *vent) 276 { 277 printf("%-*s", vent->width, 278 user_from_uid(KI_EPROC(k)->e_ucred.cr_ruid, 0)); 279 } 280 281 int 282 s_runame(const KINFO *k) 283 { 284 return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_ruid, 0))); 285 } 286 287 void 288 tdev(const KINFO *k, const struct varent *vent) 289 { 290 dev_t dev; 291 char buff[16]; 292 293 dev = KI_EPROC(k)->e_tdev; 294 if (dev == NODEV) 295 printf("%*s", vent->width, "??"); 296 else { 297 snprintf(buff, sizeof(buff), "%d/%d", major(dev), minor(dev)); 298 printf("%*s", vent->width, buff); 299 } 300 } 301 302 void 303 tname(const KINFO *k, const struct varent *vent) 304 { 305 dev_t dev; 306 const char *ttname; 307 308 dev = KI_EPROC(k)->e_tdev; 309 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL) 310 printf("%*s ", vent->width-1, "??"); 311 else { 312 if (strncmp(ttname, "tty", 3) == 0 || 313 strncmp(ttname, "cua", 3) == 0) 314 ttname += 3; 315 printf("%*.*s%c", vent->width-1, vent->width-1, ttname, 316 KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-'); 317 } 318 } 319 320 void 321 longtname(const KINFO *k, const struct varent *vent) 322 { 323 dev_t dev; 324 const char *ttname; 325 326 dev = KI_EPROC(k)->e_tdev; 327 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL) 328 printf("%-*s", vent->width, "??"); 329 else 330 printf("%-*s", vent->width, ttname); 331 } 332 333 void 334 started(const KINFO *k, const struct varent *vent) 335 { 336 static time_t now; 337 time_t then; 338 struct tm *tp; 339 char buf[100]; 340 static int use_ampm = -1; 341 342 if (!k->ki_u.u_valid) { 343 printf("%-*s", vent->width, "-"); 344 return; 345 } 346 347 if (use_ampm < 0) 348 use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0'); 349 350 if (KI_THREAD(k)->td_proc != NULL) { 351 then = k->ki_u.u_start.tv_sec; 352 } else { 353 then = KI_THREAD(k)->td_start.tv_sec; 354 if (then < btime.tv_sec) { 355 then = btime.tv_sec; 356 } 357 } 358 359 tp = localtime(&then); 360 if (!now) 361 time(&now); 362 if (now - k->ki_u.u_start.tv_sec < 24 * 3600) { 363 strftime(buf, sizeof(buf) - 1, 364 use_ampm ? "%l:%M%p" : "%k:%M ", tp); 365 } else if (now - k->ki_u.u_start.tv_sec < 7 * 86400) { 366 strftime(buf, sizeof(buf) - 1, 367 use_ampm ? "%a%I%p" : "%a%H ", tp); 368 } else 369 strftime(buf, sizeof(buf) - 1, "%e%b%y", tp); 370 printf("%-*s", vent->width, buf); 371 } 372 373 void 374 lstarted(const KINFO *k, const struct varent *vent) 375 { 376 time_t then; 377 char buf[100]; 378 379 if (!k->ki_u.u_valid) { 380 printf("%-*s", vent->width, "-"); 381 return; 382 } 383 then = k->ki_u.u_start.tv_sec; 384 strftime(buf, sizeof(buf) -1, "%c", localtime(&then)); 385 printf("%-*s", vent->width, buf); 386 } 387 388 void 389 wchan(const KINFO *k, const struct varent *vent) 390 { 391 if (KI_THREAD(k)->td_wchan) { 392 if (KI_THREAD(k)->td_wmesg) 393 printf("%-*.*s", vent->width, vent->width, 394 KI_EPROC(k)->e_wmesg); 395 else 396 printf("%-*lx", vent->width, 397 (long)KI_THREAD(k)->td_wchan); 398 } else 399 printf("%-*s", vent->width, "-"); 400 } 401 402 #ifndef pgtok 403 #define pgtok(a) (((a)*getpagesize())/1024) 404 #endif 405 406 void 407 vsize(const KINFO *k, const struct varent *vent) 408 { 409 printf("%*d", vent->width, (KI_EPROC(k)->e_vm.vm_map.size/1024)); 410 } 411 412 void 413 rssize(const KINFO *k, const struct varent *vent) 414 { 415 /* XXX don't have info about shared */ 416 printf("%*lu", vent->width, (u_long)pgtok(KI_EPROC(k)->e_vm.vm_rssize)); 417 } 418 419 void 420 p_rssize(const KINFO *k, const struct varent *vent) /* doesn't account for text */ 421 { 422 printf("%*ld", vent->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_rssize)); 423 } 424 425 void 426 cputime(const KINFO *k, const struct varent *vent) 427 { 428 long secs; 429 long psecs; /* "parts" of a second. first micro, then centi */ 430 char obuff[128]; 431 static char decimal_point = '\0'; 432 433 if (decimal_point == '\0') 434 decimal_point = localeconv()->decimal_point[0]; 435 436 if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) { 437 secs = 0; 438 psecs = 0; 439 } else { 440 u_int64_t timeus; 441 442 /* 443 * This counts time spent handling interrupts. We could 444 * fix this, but it is not 100% trivial (and interrupt 445 * time fractions only work on the sparc anyway). XXX 446 */ 447 timeus = KI_EPROC(k)->e_uticks + KI_EPROC(k)->e_sticks + 448 KI_EPROC(k)->e_iticks; 449 secs = timeus / 1000000; 450 psecs = timeus % 1000000; 451 if (sumrusage) { 452 secs += k->ki_u.u_cru.ru_utime.tv_sec + 453 k->ki_u.u_cru.ru_stime.tv_sec; 454 psecs += k->ki_u.u_cru.ru_utime.tv_usec + 455 k->ki_u.u_cru.ru_stime.tv_usec; 456 } 457 /* 458 * round and scale to 100's 459 */ 460 psecs = (psecs + 5000) / 10000; 461 secs += psecs / 100; 462 psecs = psecs % 100; 463 } 464 snprintf(obuff, sizeof(obuff), 465 "%3ld:%02ld%c%02ld", secs/60, secs%60, decimal_point, psecs); 466 printf("%*s", vent->width, obuff); 467 } 468 469 double 470 getpcpu(const KINFO *k) 471 { 472 const struct proc *p; 473 static int failure; 474 475 if (!nlistread) 476 failure = donlist(); 477 if (failure) 478 return (0.0); 479 480 p = KI_PROC(k); 481 #define fxtofl(fixpt) ((double)(fixpt) / fscale) 482 483 /* XXX - I don't like this */ 484 if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0) 485 return (0.0); 486 if (rawcpu) 487 return (100.0 * fxtofl(p->p_pctcpu)); 488 return (100.0 * fxtofl(p->p_pctcpu) / 489 (1.0 - exp(p->p_swtime * log(fxtofl(ccpu))))); 490 } 491 492 void 493 pcpu(const KINFO *k, const struct varent *vent) 494 { 495 printf("%*.1f", vent->width, getpcpu(k)); 496 } 497 498 void 499 pnice(const KINFO *k, const struct varent *vent) 500 { 501 int niceval; 502 503 switch (KI_PROC(k)->p_rtprio.type) { 504 case RTP_PRIO_REALTIME: 505 niceval = PRIO_MIN - 1 - RTP_PRIO_MAX + KI_PROC(k)->p_rtprio.prio; 506 break; 507 case RTP_PRIO_IDLE: 508 niceval = PRIO_MAX + 1 + KI_PROC(k)->p_rtprio.prio; 509 break; 510 case RTP_PRIO_THREAD: 511 niceval = PRIO_MIN - 1 - RTP_PRIO_MAX - KI_PROC(k)->p_rtprio.prio; 512 break; 513 default: 514 niceval = KI_PROC(k)->p_nice - NZERO; 515 break; 516 } 517 printf("%*d", vent->width, niceval); 518 } 519 520 521 double 522 getpmem(const KINFO *k) 523 { 524 static int failure; 525 struct proc *p; 526 struct eproc *e; 527 double fracmem; 528 int szptudot; 529 530 if (!nlistread) 531 failure = donlist(); 532 if (failure) 533 return (0.0); 534 535 p = KI_PROC(k); 536 e = KI_EPROC(k); 537 if ((p->p_flag & P_INMEM) == 0) 538 return (0.0); 539 /* XXX want pmap ptpages, segtab, etc. (per architecture) */ 540 szptudot = UPAGES; 541 /* XXX don't have info about shared */ 542 fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages; 543 return (100.0 * fracmem); 544 } 545 546 void 547 pmem(const KINFO *k, const struct varent *vent) 548 { 549 printf("%*.1f", vent->width, getpmem(k)); 550 } 551 552 void 553 pagein(const KINFO *k, const struct varent *vent) 554 { 555 printf("%*ld", vent->width, 556 k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0); 557 } 558 559 /* ARGSUSED */ 560 void 561 maxrss(const KINFO *k __unused, const struct varent *vent) 562 { 563 /* XXX not yet */ 564 printf("%*s", vent->width, "-"); 565 } 566 567 void 568 tsize(const KINFO *k, const struct varent *vent) 569 { 570 printf("%*ld", vent->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_tsize)); 571 } 572 573 void 574 rtprior(const KINFO *k, const struct varent *vent) 575 { 576 struct rtprio *prtp; 577 char str[8]; 578 unsigned prio, type; 579 580 prtp = (struct rtprio *) ((char *)KI_PROC(k) + vent->var->off); 581 prio = prtp->prio; 582 type = prtp->type; 583 switch (type) { 584 case RTP_PRIO_REALTIME: 585 snprintf(str, sizeof(str), "real:%u", prio); 586 break; 587 case RTP_PRIO_NORMAL: 588 strncpy(str, "normal", sizeof(str)); 589 break; 590 case RTP_PRIO_IDLE: 591 snprintf(str, sizeof(str), "idle:%u", prio); 592 break; 593 default: 594 snprintf(str, sizeof(str), "%u:%u", type, prio); 595 break; 596 } 597 str[sizeof(str) - 1] = '\0'; 598 printf("%*s", vent->width, str); 599 } 600 601 /* 602 * Generic output routines. Print fields from various prototype 603 * structures. 604 */ 605 static void 606 printval(const char *bp, const struct varent *vent) 607 { 608 static char ofmt[32] = "%"; 609 const char *fcp; 610 char *cp; 611 612 cp = ofmt + 1; 613 fcp = vent->var->fmt; 614 if (vent->var->flag & LJUST) 615 *cp++ = '-'; 616 *cp++ = '*'; 617 while ((*cp++ = *fcp++)); 618 619 switch (vent->var->type) { 620 case CHAR: 621 printf(ofmt, vent->width, *(const char *)bp); 622 break; 623 case UCHAR: 624 printf(ofmt, vent->width, *(const u_char *)bp); 625 break; 626 case SHORT: 627 printf(ofmt, vent->width, *(const short *)bp); 628 break; 629 case USHORT: 630 printf(ofmt, vent->width, *(const u_short *)bp); 631 break; 632 case INT: 633 printf(ofmt, vent->width, *(const int *)bp); 634 break; 635 case UINT: 636 printf(ofmt, vent->width, *(const u_int *)bp); 637 break; 638 case LONG: 639 printf(ofmt, vent->width, *(const long *)bp); 640 break; 641 case ULONG: 642 printf(ofmt, vent->width, *(const u_long *)bp); 643 break; 644 case KPTR: 645 printf(ofmt, vent->width, *(const u_long *)bp); 646 break; 647 default: 648 errx(1, "unknown type %d", vent->var->type); 649 } 650 } 651 652 void 653 pvar(const KINFO *k, const struct varent *vent) 654 { 655 printval((char *)((char *)KI_PROC(k) + vent->var->off), vent); 656 } 657 658 void 659 tvar(const KINFO *k, const struct varent *vent) 660 { 661 printval((char *)((char *)KI_THREAD(k) + vent->var->off), vent); 662 } 663 664 void 665 evar(const KINFO *k, const struct varent *vent) 666 { 667 printval((char *)((char *)KI_EPROC(k) + vent->var->off), vent); 668 } 669 670 void 671 uvar(const KINFO *k, const struct varent *vent) 672 { 673 if (k->ki_u.u_valid) 674 printval(((const char *)&k->ki_u + vent->var->off), vent); 675 else 676 printf("%*s", vent->width, "-"); 677 } 678 679 void 680 rvar(const KINFO *k, const struct varent *vent) 681 { 682 if (k->ki_u.u_valid) 683 printval(((const char *)&k->ki_u.u_ru + vent->var->off), vent); 684 else 685 printf("%*s", vent->width, "-"); 686 } 687 688 static const char * 689 make_printable(const char *str) 690 { 691 static char *cpy; 692 int len; 693 694 if (cpy) 695 free(cpy); 696 len = strlen(str); 697 if ((cpy = malloc(len * 4 + 1)) == NULL) 698 err(1, NULL); 699 strvis(cpy, str, VIS_TAB | VIS_NL | VIS_NOSLASH); 700 return(cpy); 701 } 702