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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)print.c 8.6 (Berkeley) 4/16/94 30 * $FreeBSD: src/bin/ps/print.c,v 1.36.2.4 2002/11/30 13:00:14 tjr Exp $ 31 * $DragonFly: src/bin/ps/print.c,v 1.34 2008/11/10 14:56:33 swildner Exp $ 32 */ 33 34 #include <sys/user.h> 35 #include <sys/param.h> 36 #include <sys/time.h> 37 #include <sys/resource.h> 38 #include <sys/stat.h> 39 40 #include <sys/ucred.h> 41 #include <sys/sysctl.h> 42 #include <sys/rtprio.h> 43 #include <sys/caps.h> 44 #include <vm/vm.h> 45 46 #include <err.h> 47 #include <langinfo.h> 48 #include <locale.h> 49 #include <math.h> 50 #include <nlist.h> 51 #include <pwd.h> 52 #include <stddef.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <unistd.h> 56 #include <string.h> 57 #include <vis.h> 58 59 #include "ps.h" 60 61 static const char *make_printable(const char *str); 62 static const char *make_printable2(const char *str); 63 static void put64(u_int64_t n, int w, int type); 64 65 #define SHOW_THRNAME(k) \ 66 (showtid && KI_PROC(k, pid) != -1 && KI_PROC(k, nthreads) > 1) 67 68 void 69 printheader(void) 70 { 71 const VAR *v; 72 struct varent *vent; 73 int allempty; 74 75 allempty = 1; 76 STAILQ_FOREACH(vent, &var_head, link) { 77 if (*vent->header != '\0') { 78 allempty = 0; 79 break; 80 } 81 } 82 if (allempty) 83 return; 84 STAILQ_FOREACH(vent, &var_head, link) { 85 v = vent->var; 86 if (v->flag & LJUST) { 87 if (STAILQ_NEXT(vent, link) == NULL) /* last one */ 88 printf("%s", vent->header); 89 else 90 printf("%-*s", vent->width, vent->header); 91 } else 92 printf("%*s", vent->width, vent->header); 93 if (STAILQ_NEXT(vent, link) != NULL) 94 putchar(' '); 95 } 96 putchar('\n'); 97 } 98 99 void 100 command(const KINFO *k, const struct varent *vent) 101 { 102 int left; 103 int indent; 104 char *cp, *vis_env, *vis_args; 105 106 if (cflag) { 107 /* Don't pad the last field. */ 108 if (STAILQ_NEXT(vent, link) == NULL) { 109 if (SHOW_THRNAME(k)) { 110 printf("%s/%s", 111 make_printable(KI_PROC(k, comm)), 112 make_printable2(KI_LWP(k, comm))); 113 } else { 114 printf("%s", make_printable(KI_PROC(k, comm))); 115 } 116 } else { 117 if (SHOW_THRNAME(k)) { 118 printf("%-*s/%s", vent->width, 119 make_printable(KI_PROC(k, comm)), 120 make_printable2(KI_LWP(k, comm))); 121 } else { 122 printf("%-*s", vent->width, 123 make_printable(KI_PROC(k, comm))); 124 } 125 } 126 return; 127 } 128 129 if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL) 130 err(1, NULL); 131 strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH); 132 if (k->ki_env) { 133 if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL) 134 err(1, NULL); 135 strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH); 136 } else { 137 vis_env = NULL; 138 } 139 140 indent = k->ki_indent; 141 if (indent < 0) 142 indent = 0; 143 144 if (STAILQ_NEXT(vent, link) == NULL) { 145 /* last field */ 146 if (termwidth == UNLIMITED) { 147 if (vis_env) 148 printf("%s ", vis_env); 149 while (indent) { 150 putchar(' '); 151 --indent; 152 } 153 printf("%s", vis_args); 154 } else { 155 left = termwidth - (totwidth - vent->width); 156 if (left < 1) /* already wrapped, just use std width */ 157 left = vent->width; 158 while (indent && left > 1) { 159 putchar(' '); 160 --indent; 161 --left; 162 } 163 if ((cp = vis_env) != NULL) { 164 while (--left >= 0 && *cp) 165 putchar(*cp++); 166 if (--left >= 0) 167 putchar(' '); 168 } 169 for (cp = vis_args; --left >= 0 && *cp != '\0';) 170 putchar(*cp++); 171 } 172 } else 173 /* XXX env? */ 174 printf("%-*.*s", vent->width, vent->width, vis_args); 175 free(vis_args); 176 if (vis_env != NULL) 177 free(vis_env); 178 } 179 180 void 181 ucomm(const KINFO *k, const struct varent *vent) 182 { 183 /* Do not pad the last field */ 184 if (STAILQ_NEXT(vent, link) == NULL) { 185 if (SHOW_THRNAME(k)) { 186 printf("%s/%s", make_printable(KI_PROC(k, comm)), 187 make_printable2(KI_LWP(k, comm))); 188 } else { 189 printf("%s", make_printable(KI_PROC(k, comm))); 190 } 191 } else { 192 if (SHOW_THRNAME(k)) { 193 printf("%-*s/%s", vent->width, 194 make_printable(KI_PROC(k, comm)), 195 make_printable2(KI_LWP(k, comm))); 196 } else { 197 printf("%-*s", vent->width, 198 make_printable(KI_PROC(k, comm))); 199 } 200 } 201 } 202 203 void 204 logname(const KINFO *k, const struct varent *vent) 205 { 206 const char *s = KI_PROC(k, login); 207 208 printf("%-*s", vent->width, *s != '\0' ? s : "-"); 209 } 210 211 void 212 state(const KINFO *k, const struct varent *vent) 213 { 214 int flag; 215 char *cp; 216 char buf[16]; 217 218 flag = KI_PROC(k, flags); 219 cp = buf; 220 221 switch (KI_PROC(k, stat)) { 222 223 case SSTOP: 224 *cp = 'T'; 225 break; 226 227 case SACTIVE: 228 switch (KI_LWP(k, stat)) { 229 case LSSLEEP: 230 if (KI_LWP(k, flags) & LWP_SINTR) { 231 /* interruptable wait short/long */ 232 *cp = KI_LWP(k, slptime) >= MAXSLP ? 'I' : 'S'; 233 } 234 else if (KI_LWP(k, tdflags) & TDF_SINTR) 235 *cp = 'S'; /* interruptable lwkt wait */ 236 else if (KI_PROC(k, paddr)) 237 *cp = 'D'; /* uninterruptable wait */ 238 else 239 *cp = 'B'; /* uninterruptable lwkt wait */ 240 /* FALLTHROUGH */ 241 242 case LSRUN: 243 if (KI_LWP(k, stat) == LSRUN) { 244 *cp = 'R'; 245 if (!(KI_LWP(k, tdflags) & 246 (TDF_RUNNING | TDF_RUNQ))) 247 *++cp = 'Q'; 248 } 249 /*if (KI_LWP(k, tdflags) & (TDF_RUNNING | TDF_RUNQ))*/ { 250 ++cp; 251 sprintf(cp, "%d", KI_LWP(k, cpuid)); 252 while (cp[1]) 253 ++cp; 254 } 255 break; 256 257 case LSSTOP: 258 /* shouldn't happen anyways */ 259 *cp = 'T'; 260 break; 261 } 262 break; 263 264 case SZOMB: 265 *cp = 'Z'; 266 break; 267 268 default: 269 *cp = '?'; 270 } 271 272 cp++; 273 if (flag & P_SWAPPEDOUT) 274 *cp++ = 'W'; 275 if (KI_PROC(k, nice) < NZERO) 276 *cp++ = '<'; 277 else if (KI_PROC(k, nice) > NZERO) 278 *cp++ = 'N'; 279 if (flag & P_TRACED) 280 *cp++ = 'X'; 281 if (flag & P_WEXIT && KI_PROC(k, stat) != SZOMB) 282 *cp++ = 'E'; 283 if (flag & P_PPWAIT) 284 *cp++ = 'V'; 285 #if 0 286 /* removed, no longer interesting */ 287 if ((flag & P_SYSTEM) || KI_PROC(k, lock) > 0) 288 *cp++ = 'L'; 289 #endif 290 291 if (flag & P_JAILED) 292 *cp++ = 'J'; 293 if (__KP_SYSCAP_GET(KI_PROC(k, syscaps), SYSCAP_RESTRICTEDROOT) == 294 (__SYSCAP_SELF | __SYSCAP_EXEC) && 295 __KP_SYSCAP_GET(KI_PROC(k, syscaps), SYSCAP_SENSITIVEROOT) == 296 (__SYSCAP_SELF | __SYSCAP_EXEC)) 297 { 298 *cp++ = 'Y'; 299 } else 300 if (__KP_SYSCAP_GET(KI_PROC(k, syscaps), SYSCAP_RESTRICTEDROOT) == 301 (__SYSCAP_SELF | __SYSCAP_EXEC)) 302 { 303 *cp++ = 'y'; 304 } 305 if (KI_PROC(k, auxflags) & KI_SLEADER) 306 *cp++ = 's'; 307 if ((flag & P_CONTROLT) && KI_PROC(k, pgid) == KI_PROC(k, tpgid)) 308 *cp++ = '+'; 309 *cp = '\0'; 310 printf("%-*s", vent->width, buf); 311 } 312 313 /* 314 * Normalized priority (lower is better). For pure threads 315 * output a negated LWKT priority (so lower still means better). 316 * 317 * XXX bsd4 scheduler specific. 318 */ 319 void 320 pri(const KINFO *k, const struct varent *vent) 321 { 322 if (KI_LWP(k, pid) != -1) 323 printf("%*d", vent->width, KI_LWP(k, prio)); 324 else 325 printf("%*d", vent->width, -(KI_LWP(k, tdprio))); 326 } 327 328 void 329 tdpri(const KINFO *k, const struct varent *vent) 330 { 331 char buf[32]; 332 int val = KI_LWP(k, tdprio); 333 334 snprintf(buf, sizeof(buf), "%2d", val); 335 printf("%*s", vent->width, buf); 336 } 337 338 void 339 uname(const KINFO *k, const struct varent *vent) 340 { 341 printf("%-*s", vent->width, 342 user_from_uid(KI_PROC(k, uid), 0)); 343 } 344 345 int 346 s_uname(const KINFO *k) 347 { 348 return (strlen(user_from_uid(KI_PROC(k, uid), 0))); 349 } 350 351 void 352 runame(const KINFO *k, const struct varent *vent) 353 { 354 printf("%-*s", vent->width, 355 user_from_uid(KI_PROC(k, ruid), 0)); 356 } 357 358 int 359 s_runame(const KINFO *k) 360 { 361 return (strlen(user_from_uid(KI_PROC(k, ruid), 0))); 362 } 363 364 void 365 tdev(const KINFO *k, const struct varent *vent) 366 { 367 dev_t dev; 368 char buff[16]; 369 370 dev = KI_PROC(k, tdev); 371 if (dev == NODEV) 372 printf("%*s", vent->width, "??"); 373 else { 374 snprintf(buff, sizeof(buff), "%d/%d", major(dev), minor(dev)); 375 printf("%*s", vent->width, buff); 376 } 377 } 378 379 void 380 tname(const KINFO *k, const struct varent *vent) 381 { 382 dev_t dev; 383 const char *ttname; 384 385 dev = KI_PROC(k, tdev); 386 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL) 387 printf("%*s ", vent->width-1, "??"); 388 else { 389 if (strncmp(ttname, "tty", 3) == 0 || 390 strncmp(ttname, "cua", 3) == 0) 391 ttname += 3; 392 if (strncmp(ttname, "pts/", 4) == 0) 393 ttname += 4; 394 printf("%*.*s%c", vent->width-1, vent->width-1, ttname, 395 KI_PROC(k, auxflags) & KI_CTTY ? ' ' : '-'); 396 } 397 } 398 399 void 400 longtname(const KINFO *k, const struct varent *vent) 401 { 402 dev_t dev; 403 const char *ttname; 404 405 dev = KI_PROC(k, tdev); 406 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL) 407 printf("%-*s", vent->width, "??"); 408 else 409 printf("%-*s", vent->width, ttname); 410 } 411 412 void 413 started(const KINFO *k, const struct varent *vent) 414 { 415 static time_t now; 416 time_t then; 417 struct tm *tp; 418 char buf[100]; 419 static int use_ampm = -1; 420 421 if (use_ampm < 0) 422 use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0'); 423 424 then = KI_PROC(k, start).tv_sec; 425 if (then < btime.tv_sec) { 426 then = btime.tv_sec; 427 } 428 429 tp = localtime(&then); 430 if (!now) 431 time(&now); 432 if (now - then < 24 * 3600) { 433 strftime(buf, sizeof(buf) - 1, 434 use_ampm ? "%l:%M%p" : "%k:%M ", tp); 435 } else if (now - then < 7 * 86400) { 436 strftime(buf, sizeof(buf) - 1, 437 use_ampm ? "%a%I%p" : "%a%H ", tp); 438 } else 439 strftime(buf, sizeof(buf) - 1, "%e%b%y", tp); 440 printf("%-*s", vent->width, buf); 441 } 442 443 void 444 lstarted(const KINFO *k, const struct varent *vent) 445 { 446 time_t then; 447 char buf[100]; 448 449 then = KI_PROC(k, start).tv_sec; 450 strftime(buf, sizeof(buf) -1, "%c", localtime(&then)); 451 printf("%-*s", vent->width, buf); 452 } 453 454 void 455 wchan(const KINFO *k, const struct varent *vent) 456 { 457 if (*KI_LWP(k, wmesg)) { 458 printf("%-*.*s", vent->width, vent->width, 459 KI_LWP(k, wmesg)); 460 } else { 461 printf("%-*s", vent->width, "-"); 462 } 463 } 464 465 static u_int64_t 466 pgtob(u_int64_t pg) 467 { 468 static size_t pgsize; 469 470 if (pgsize == 0) 471 pgsize = getpagesize(); 472 return(pg * pgsize); 473 } 474 475 void 476 vsize(const KINFO *k, const struct varent *vent) 477 { 478 put64((uintmax_t)KI_PROC(k, vm_map_size)/1024, vent->width, 'k'); 479 } 480 481 void 482 rssize(const KINFO *k, const struct varent *vent) 483 { 484 /* XXX don't have info about shared */ 485 put64(pgtob(KI_PROC(k, vm_rssize))/1024, vent->width, 'k'); 486 } 487 488 /* doesn't account for text */ 489 void 490 p_rssize(const KINFO *k, const struct varent *vent) 491 { 492 put64(pgtob(KI_PROC(k, vm_rssize))/1024, vent->width, 'k'); 493 } 494 495 void 496 cputime(const KINFO *k, const struct varent *vent) 497 { 498 long secs; 499 long psecs; /* "parts" of a second. first micro, then centi */ 500 u_int64_t timeus; 501 char obuff[128]; 502 static char decimal_point = '\0'; 503 504 if (decimal_point == '\0') 505 decimal_point = localeconv()->decimal_point[0]; 506 507 /* 508 * This counts time spent handling interrupts. We could 509 * fix this, but it is not 100% trivial (and interrupt 510 * time fractions only work on the sparc anyway). XXX 511 */ 512 timeus = KI_LWP(k, uticks) + KI_LWP(k, sticks) + 513 KI_LWP(k, iticks); 514 secs = timeus / 1000000; 515 psecs = timeus % 1000000; 516 if (sumrusage) { 517 secs += KI_PROC(k, cru).ru_utime.tv_sec + 518 KI_PROC(k, cru).ru_stime.tv_sec; 519 psecs += KI_PROC(k, cru).ru_utime.tv_usec + 520 KI_PROC(k, cru).ru_stime.tv_usec; 521 } 522 /* 523 * round and scale to 100's 524 */ 525 psecs = (psecs + 5000) / 10000; 526 secs += psecs / 100; 527 psecs = psecs % 100; 528 #if 1 529 if (secs >= 86400) { 530 snprintf(obuff, sizeof(obuff), "%3ldd%02ld:%02ld", 531 secs / 86400, secs / (60 * 60) % 24, secs / 60 % 60); 532 } else if (secs >= 100 * 60) { 533 snprintf(obuff, sizeof(obuff), "%2ld:%02ld:%02ld", 534 secs / 60 / 60, secs / 60 % 60, secs % 60); 535 } else 536 #endif 537 { 538 snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld", 539 secs / 60, secs % 60, 540 decimal_point, psecs); 541 } 542 printf("%*s", vent->width, obuff); 543 } 544 545 double 546 getpcpu(const KINFO *k) 547 { 548 static int failure; 549 550 if (!nlistread) 551 failure = donlist(); 552 if (failure) 553 return (0.0); 554 555 #define fxtofl(fixpt) ((double)(fixpt) / fscale) 556 557 /* XXX - I don't like this */ 558 if (KI_PROC(k, swtime) == 0 || (KI_PROC(k, flags) & P_SWAPPEDOUT)) 559 return (0.0); 560 return (100.0 * fxtofl(KI_LWP(k, pctcpu))); 561 } 562 563 void 564 pcpu(const KINFO *k, const struct varent *vent) 565 { 566 printf("%*.1f", vent->width, getpcpu(k)); 567 } 568 569 void 570 pnice(const KINFO *k, const struct varent *vent) 571 { 572 int niceval; 573 574 switch (KI_LWP(k, rtprio).type) { 575 case RTP_PRIO_REALTIME: 576 niceval = PRIO_MIN - 1 - RTP_PRIO_MAX + KI_LWP(k, rtprio).prio; 577 break; 578 case RTP_PRIO_IDLE: 579 niceval = PRIO_MAX + 1 + KI_LWP(k, rtprio).prio; 580 break; 581 case RTP_PRIO_THREAD: 582 niceval = PRIO_MIN - 1 - RTP_PRIO_MAX - KI_LWP(k, rtprio).prio; 583 break; 584 default: 585 niceval = KI_PROC(k, nice) - NZERO; 586 break; 587 } 588 printf("%*d", vent->width, niceval); 589 } 590 591 592 double 593 getpmem(const KINFO *k) 594 { 595 static int failure; 596 double fracmem; 597 int szptudot; 598 599 if (!nlistread) 600 failure = donlist(); 601 if (failure) 602 return (0.0); 603 604 if (KI_PROC(k, flags) & P_SWAPPEDOUT) 605 return (0.0); 606 /* XXX want pmap ptpages, segtab, etc. (per architecture) */ 607 szptudot = UPAGES; 608 /* XXX don't have info about shared */ 609 fracmem = ((float)KI_PROC(k, vm_rssize) + szptudot)/mempages; 610 return (100.0 * fracmem); 611 } 612 613 void 614 pmem(const KINFO *k, const struct varent *vent) 615 { 616 printf("%*.1f", vent->width, getpmem(k)); 617 } 618 619 void 620 pagein(const KINFO *k, const struct varent *vent) 621 { 622 printf("%*ld", vent->width, KI_LWP(k, ru).ru_majflt); 623 } 624 625 /* ARGSUSED */ 626 void 627 maxrss(const KINFO *k __unused, const struct varent *vent) 628 { 629 printf("%*ld", vent->width, KI_PROC(k, ru).ru_maxrss); 630 } 631 632 void 633 tsize(const KINFO *k, const struct varent *vent) 634 { 635 put64(pgtob(KI_PROC(k, vm_tsize))/1024, vent->width, 'k'); 636 } 637 638 void 639 rtprior(const KINFO *k, const struct varent *vent) 640 { 641 struct rtprio *prtp; 642 char str[8]; 643 unsigned prio, type; 644 645 prtp = &KI_LWP(k, rtprio); 646 prio = prtp->prio; 647 type = prtp->type; 648 switch (type) { 649 case RTP_PRIO_REALTIME: 650 snprintf(str, sizeof(str), "real:%u", prio); 651 break; 652 case RTP_PRIO_NORMAL: 653 strncpy(str, "normal", sizeof(str)); 654 break; 655 case RTP_PRIO_IDLE: 656 snprintf(str, sizeof(str), "idle:%u", prio); 657 break; 658 default: 659 snprintf(str, sizeof(str), "%u:%u", type, prio); 660 break; 661 } 662 str[sizeof(str) - 1] = '\0'; 663 printf("%*s", vent->width, str); 664 } 665 666 /* 667 * Generic output routines. Print fields from various prototype 668 * structures. 669 */ 670 static void 671 printval(const char *bp, const struct varent *vent) 672 { 673 static char ofmt[32] = "%"; 674 const char *fcp; 675 char *cp; 676 677 cp = ofmt + 1; 678 fcp = vent->var->fmt; 679 if (vent->var->flag & LJUST) 680 *cp++ = '-'; 681 *cp++ = '*'; 682 while ((*cp++ = *fcp++)); 683 684 switch (vent->var->type) { 685 case CHAR: 686 printf(ofmt, vent->width, *(const char *)bp); 687 break; 688 case UCHAR: 689 printf(ofmt, vent->width, *(const u_char *)bp); 690 break; 691 case SHORT: 692 printf(ofmt, vent->width, *(const short *)bp); 693 break; 694 case USHORT: 695 printf(ofmt, vent->width, *(const u_short *)bp); 696 break; 697 case INT: 698 printf(ofmt, vent->width, *(const int *)bp); 699 break; 700 case UINT: 701 printf(ofmt, vent->width, *(const u_int *)bp); 702 break; 703 case LONG: 704 printf(ofmt, vent->width, *(const long *)bp); 705 break; 706 case ULONG: 707 printf(ofmt, vent->width, *(const u_long *)bp); 708 break; 709 case KPTR: 710 printf(ofmt, vent->width, *(const u_long *)bp); 711 break; 712 default: 713 errx(1, "unknown type %d", vent->var->type); 714 } 715 } 716 717 void 718 pvar(const KINFO *k, const struct varent *vent) 719 { 720 printval((char *)((char *)k->ki_proc + vent->var->off), vent); 721 } 722 723 void 724 lpest(const KINFO *k, const struct varent *vent) 725 { 726 int val; 727 728 val = *(int *)((char *)&k->ki_proc->kp_lwp + vent->var->off); 729 val = val / 128; 730 printval((char *)&val, vent); 731 } 732 733 734 void 735 lpvar(const KINFO *k, const struct varent *vent) 736 { 737 printval((char *)((char *)&k->ki_proc->kp_lwp + vent->var->off), vent); 738 } 739 740 void 741 rvar(const KINFO *k, const struct varent *vent) 742 { 743 printval(((const char *)&KI_LWP(k, ru) + vent->var->off), vent); 744 } 745 746 static const char * 747 make_printable(const char *str) 748 { 749 static char *cpy; 750 int len; 751 752 if (cpy) 753 free(cpy); 754 len = strlen(str); 755 if ((cpy = malloc(len * 4 + 1)) == NULL) 756 err(1, NULL); 757 strvis(cpy, str, VIS_TAB | VIS_NL | VIS_NOSLASH); 758 return(cpy); 759 } 760 761 static const char * 762 make_printable2(const char *str) 763 { 764 static char *cpy2; 765 int len; 766 767 if (cpy2) 768 free(cpy2); 769 len = strlen(str); 770 if ((cpy2 = malloc(len * 4 + 1)) == NULL) 771 err(1, NULL); 772 strvis(cpy2, str, VIS_TAB | VIS_NL | VIS_NOSLASH); 773 return(cpy2); 774 } 775 776 /* 777 * Output a number, divide down as needed to fit within the 778 * field. This function differs from the code used by systat 779 * in that it tries to differentiate the display by always 780 * using a decimal point for excessively large numbers so 781 * the human eye naturally notices the difference. 782 */ 783 static void 784 put64(u_int64_t n, int w, int type) 785 { 786 char b[128]; 787 u_int64_t d; 788 u_int64_t u; 789 size_t len; 790 int ntype; 791 792 snprintf(b, sizeof(b), "%*jd", w, (uintmax_t)n); 793 len = strlen(b); 794 if (len <= (size_t)w) { 795 fwrite(b, len, 1, stdout); 796 return; 797 } 798 799 if (type == 'D') 800 u = 1000; 801 else 802 u = 1024; 803 804 ntype = 0; 805 for (d = 1; n / d >= 100000; d *= u) { 806 switch(type) { 807 case 'D': 808 case 0: 809 type = 'k'; 810 ntype = 'M'; 811 break; 812 case 'k': 813 type = 'M'; 814 ntype = 'G'; 815 break; 816 case 'M': 817 type = 'G'; 818 ntype = 'T'; 819 break; 820 case 'G': 821 type = 'T'; 822 ntype = 'X'; 823 break; 824 case 'T': 825 type = 'X'; 826 ntype = '?'; 827 break; 828 default: 829 type = '?'; 830 break; 831 } 832 } 833 if (w > 4 && n / d >= u) { 834 snprintf(b, sizeof(b), "%*ju.%02u%c", 835 w - 4, 836 (uintmax_t)(n / (d * u)), 837 (u_int)(n / (d * u / 100) % 100), 838 ntype); 839 } else { 840 snprintf(b, sizeof(b), "%*jd%c", 841 w - 1, (uintmax_t)n / d, type); 842 } 843 len = strlen(b); 844 fwrite(b, len, 1, stdout); 845 } 846