print.c revision 1.49 1 /* $NetBSD: print.c,v 1.49 1999/12/05 18:33:28 fredb Exp $ */
2
3 /*-
4 * Copyright (c) 1990, 1993, 1994
5 * The Regents of the University of California. 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 the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
40 #else
41 __RCSID("$NetBSD: print.c,v 1.49 1999/12/05 18:33:28 fredb Exp $");
42 #endif
43 #endif /* not lint */
44
45 #include <sys/param.h>
46 #include <sys/time.h>
47 #include <sys/resource.h>
48 #include <sys/proc.h>
49 #include <sys/stat.h>
50 #include <sys/ucred.h>
51 #include <sys/sysctl.h>
52
53 #include <vm/vm.h>
54
55 #include <err.h>
56 #include <kvm.h>
57 #include <math.h>
58 #include <nlist.h>
59 #include <pwd.h>
60 #include <stddef.h>
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <time.h>
65 #include <tzfile.h>
66 #include <unistd.h>
67
68 #include "ps.h"
69
70 static char *cmdpart __P((char *));
71 static void printval __P((char *, VAR *));
72 static int titlecmp __P((char *, char **));
73
74 #define min(a,b) ((a) <= (b) ? (a) : (b))
75 #define max(a,b) ((a) >= (b) ? (a) : (b))
76
77 static char *
78 cmdpart(arg0)
79 char *arg0;
80 {
81 char *cp;
82
83 return ((cp = strrchr(arg0, '/')) != NULL ? cp + 1 : arg0);
84 }
85
86 void
87 printheader()
88 {
89 VAR *v;
90 struct varent *vent;
91
92 for (vent = vhead; vent; vent = vent->next) {
93 v = vent->var;
94 if (v->flag & LJUST) {
95 if (vent->next == NULL) /* last one */
96 (void)printf("%s", v->header);
97 else
98 (void)printf("%-*s", v->width, v->header);
99 } else
100 (void)printf("%*s", v->width, v->header);
101 if (vent->next != NULL)
102 (void)putchar(' ');
103 }
104 (void)putchar('\n');
105 }
106
107 static int
108 titlecmp(name, argv)
109 char *name;
110 char **argv;
111 {
112 char *title;
113 int namelen;
114
115 if (argv == 0 || argv[0] == 0)
116 return (1);
117
118 title = cmdpart(argv[0]);
119
120 if (!strcmp(name, title))
121 return (0);
122
123 if (title[0] == '-' && !strcmp(name, title+1))
124 return (0);
125
126 namelen = strlen(name);
127
128 if (argv[1] == 0 &&
129 !strncmp(name, title, namelen) &&
130 title[namelen+0] == ':' &&
131 title[namelen+1] == ' ')
132 return (0);
133
134 return (1);
135 }
136
137 void
138 command(ki, ve)
139 KINFO *ki;
140 VARENT *ve;
141 {
142 VAR *v;
143 int left;
144 char **argv, **p, *name;
145
146 v = ve->var;
147 if (ve->next != NULL || termwidth != UNLIMITED) {
148 if (ve->next == NULL) {
149 left = termwidth - (totwidth - v->width);
150 if (left < 1) /* already wrapped, just use std width */
151 left = v->width;
152 } else
153 left = v->width;
154 } else
155 left = -1;
156 if (needenv && (myuid == 0 || KI_EPROC(ki)->e_ucred.cr_uid == myuid) &&
157 kd) {
158 argv = kvm_getenvv(kd, ki->ki_p, termwidth);
159 if ((p = argv) != NULL) {
160 while (*p) {
161 fmt_puts(*p, &left);
162 p++;
163 fmt_putc(' ', &left);
164 }
165 }
166 }
167 if (needcomm) {
168 name = KI_PROC(ki)->p_comm;
169 if (!commandonly) {
170 argv = NULL;
171 if (!use_procfs)
172 argv = kvm_getargv(kd, ki->ki_p, termwidth);
173 else
174 argv = procfs_getargv(ki->ki_p, termwidth);
175 if ((p = argv) != NULL) {
176 while (*p) {
177 fmt_puts(*p, &left);
178 p++;
179 fmt_putc(' ', &left);
180 }
181 }
182 if (titlecmp(name, argv)) {
183 fmt_putc('(', &left);
184 fmt_puts(name, &left);
185 fmt_putc(')', &left);
186 }
187 if (use_procfs && argv) {
188 free(argv[0]);
189 free(argv);
190 }
191 } else {
192 fmt_puts(name, &left);
193 }
194 }
195 if (ve->next && left > 0)
196 printf("%*s", left, "");
197 }
198
199 void
200 ucomm(k, ve)
201 KINFO *k;
202 VARENT *ve;
203 {
204 VAR *v;
205
206 v = ve->var;
207 (void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
208 }
209
210 void
211 logname(k, ve)
212 KINFO *k;
213 VARENT *ve;
214 {
215 VAR *v;
216 int n;
217
218 v = ve->var;
219 n = min(v->width, MAXLOGNAME);
220 (void)printf("%-*.*s", n, n, KI_EPROC(k)->e_login);
221 if (v->width > n)
222 (void)printf("%*s", v->width - n, "");
223 }
224
225 void
226 state(k, ve)
227 KINFO *k;
228 VARENT *ve;
229 {
230 struct proc *p;
231 int flag;
232 char *cp;
233 VAR *v;
234 char buf[16];
235
236 v = ve->var;
237 p = KI_PROC(k);
238 flag = p->p_flag;
239 cp = buf;
240
241 switch (p->p_stat) {
242
243 case SSTOP:
244 *cp = 'T';
245 break;
246
247 case SSLEEP:
248 if (flag & P_SINTR) /* interuptable (long) */
249 *cp = p->p_slptime >= MAXSLP ? 'I' : 'S';
250 else
251 *cp = 'D';
252 break;
253
254 case SRUN:
255 case SIDL:
256 *cp = 'R';
257 break;
258
259 case SZOMB:
260 case SDEAD:
261 *cp = 'Z';
262 break;
263
264 default:
265 *cp = '?';
266 }
267 cp++;
268 if (flag & P_INMEM) {
269 } else
270 *cp++ = 'W';
271 if (p->p_nice < NZERO)
272 *cp++ = '<';
273 else if (p->p_nice > NZERO)
274 *cp++ = 'N';
275 if (flag & P_TRACED)
276 *cp++ = 'X';
277 if (flag & P_WEXIT && P_ZOMBIE(p) == 0)
278 *cp++ = 'E';
279 if (flag & P_PPWAIT)
280 *cp++ = 'V';
281 if ((flag & P_SYSTEM) || p->p_holdcnt)
282 *cp++ = 'L';
283 if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
284 *cp++ = 's';
285 if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
286 *cp++ = '+';
287 *cp = '\0';
288 (void)printf("%-*s", v->width, buf);
289 }
290
291 void
292 pnice(k, ve)
293 KINFO *k;
294 VARENT *ve;
295 {
296 VAR *v;
297
298 v = ve->var;
299 (void)printf("%*d", v->width, KI_PROC(k)->p_nice - NZERO);
300 }
301
302 void
303 pri(k, ve)
304 KINFO *k;
305 VARENT *ve;
306 {
307 VAR *v;
308
309 v = ve->var;
310 (void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
311 }
312
313 void
314 uname(k, ve)
315 KINFO *k;
316 VARENT *ve;
317 {
318 VAR *v;
319
320 v = ve->var;
321 (void)printf("%-*s",
322 (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
323 }
324
325 void
326 runame(k, ve)
327 KINFO *k;
328 VARENT *ve;
329 {
330 VAR *v;
331
332 v = ve->var;
333 (void)printf("%-*s",
334 (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
335 }
336
337 void
338 tdev(k, ve)
339 KINFO *k;
340 VARENT *ve;
341 {
342 VAR *v;
343 dev_t dev;
344 char buff[16];
345
346 v = ve->var;
347 dev = KI_EPROC(k)->e_tdev;
348 if (dev == NODEV)
349 (void)printf("%*s", v->width, "??");
350 else {
351 (void)snprintf(buff, sizeof(buff),
352 "%d/%d", major(dev), minor(dev));
353 (void)printf("%*s", v->width, buff);
354 }
355 }
356
357 void
358 tname(k, ve)
359 KINFO *k;
360 VARENT *ve;
361 {
362 VAR *v;
363 dev_t dev;
364 const char *ttname;
365
366 v = ve->var;
367 dev = KI_EPROC(k)->e_tdev;
368 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
369 (void)printf("%-*s", v->width, "??");
370 else {
371 if (strncmp(ttname, "tty", 3) == 0 ||
372 strncmp(ttname, "dty", 3) == 0)
373 ttname += 3;
374 (void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
375 KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
376 }
377 }
378
379 void
380 longtname(k, ve)
381 KINFO *k;
382 VARENT *ve;
383 {
384 VAR *v;
385 dev_t dev;
386 const char *ttname;
387
388 v = ve->var;
389 dev = KI_EPROC(k)->e_tdev;
390 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
391 (void)printf("%-*s", v->width, "??");
392 else
393 (void)printf("%-*s", v->width, ttname);
394 }
395
396 void
397 started(k, ve)
398 KINFO *k;
399 VARENT *ve;
400 {
401 VAR *v;
402 static time_t now;
403 time_t startt;
404 struct tm *tp;
405 char buf[100];
406
407 v = ve->var;
408 if (!k->ki_u.u_valid) {
409 (void)printf("%-*s", v->width, "-");
410 return;
411 }
412
413 startt = k->ki_u.u_start.tv_sec;
414 tp = localtime(&startt);
415 if (!now)
416 (void)time(&now);
417 if (now - k->ki_u.u_start.tv_sec < 24 * SECSPERHOUR) {
418 /* I *hate* SCCS... */
419 static char fmt[] = __CONCAT("%l:%", "M%p");
420 (void)strftime(buf, sizeof(buf) - 1, fmt, tp);
421 } else if (now - k->ki_u.u_start.tv_sec < 7 * SECSPERDAY) {
422 /* I *hate* SCCS... */
423 static char fmt[] = __CONCAT("%a%", "I%p");
424 (void)strftime(buf, sizeof(buf) - 1, fmt, tp);
425 } else
426 (void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
427 (void)printf("%-*s", v->width, buf);
428 }
429
430 void
431 lstarted(k, ve)
432 KINFO *k;
433 VARENT *ve;
434 {
435 VAR *v;
436 time_t startt;
437 char buf[100];
438
439 v = ve->var;
440 if (!k->ki_u.u_valid) {
441 (void)printf("%-*s", v->width, "-");
442 return;
443 }
444 startt = k->ki_u.u_start.tv_sec;
445 (void)strftime(buf, sizeof(buf) -1, "%c",
446 localtime(&startt));
447 (void)printf("%-*s", v->width, buf);
448 }
449
450 void
451 wchan(k, ve)
452 KINFO *k;
453 VARENT *ve;
454 {
455 VAR *v;
456 int n;
457
458 v = ve->var;
459 if (KI_PROC(k)->p_wchan) {
460 if (KI_PROC(k)->p_wmesg) {
461 n = min(v->width, WMESGLEN);
462 (void)printf("%-*.*s", n, n, KI_EPROC(k)->e_wmesg);
463 if (v->width > n)
464 (void)printf("%*s", v->width - n, "");
465 } else
466 (void)printf("%-*lx", v->width,
467 (long)KI_PROC(k)->p_wchan);
468 } else
469 (void)printf("%-*s", v->width, "-");
470 }
471
472 #define pgtok(a) (((a)*getpagesize())/1024)
473
474 void
475 vsize(k, ve)
476 KINFO *k;
477 VARENT *ve;
478 {
479 VAR *v;
480
481 v = ve->var;
482 (void)printf("%*d", v->width,
483 pgtok(KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize +
484 KI_EPROC(k)->e_vm.vm_tsize));
485 }
486
487 void
488 rssize(k, ve)
489 KINFO *k;
490 VARENT *ve;
491 {
492 VAR *v;
493
494 v = ve->var;
495 /* XXX don't have info about shared */
496 (void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
497 }
498
499 void
500 p_rssize(k, ve) /* doesn't account for text */
501 KINFO *k;
502 VARENT *ve;
503 {
504 VAR *v;
505
506 v = ve->var;
507 (void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
508 }
509
510 void
511 cputime(k, ve)
512 KINFO *k;
513 VARENT *ve;
514 {
515 VAR *v;
516 long secs;
517 long psecs; /* "parts" of a second. first micro, then centi */
518 char obuff[128];
519
520 v = ve->var;
521 if (P_ZOMBIE(KI_PROC(k)) || k->ki_u.u_valid == 0) {
522 secs = 0;
523 psecs = 0;
524 } else {
525 /*
526 * This counts time spent handling interrupts. We could
527 * fix this, but it is not 100% trivial (and interrupt
528 * time fractions only work on the sparc anyway). XXX
529 */
530 secs = KI_PROC(k)->p_rtime.tv_sec;
531 psecs = KI_PROC(k)->p_rtime.tv_usec;
532 if (sumrusage) {
533 secs += k->ki_u.u_cru.ru_utime.tv_sec +
534 k->ki_u.u_cru.ru_stime.tv_sec;
535 psecs += k->ki_u.u_cru.ru_utime.tv_usec +
536 k->ki_u.u_cru.ru_stime.tv_usec;
537 }
538 /*
539 * round and scale to 100's
540 */
541 psecs = (psecs + 5000) / 10000;
542 secs += psecs / 100;
543 psecs = psecs % 100;
544 }
545 (void)snprintf(obuff, sizeof(obuff),
546 "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
547 (void)printf("%*s", v->width, obuff);
548 }
549
550 double
551 getpcpu(k)
552 KINFO *k;
553 {
554 struct proc *p;
555 static int failure;
556
557 if (!nlistread)
558 failure = (kd) ? donlist() : 1;
559 if (failure)
560 return (0.0);
561
562 p = KI_PROC(k);
563 #define fxtofl(fixpt) ((double)(fixpt) / fscale)
564
565 /* XXX - I don't like this */
566 if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0 ||
567 P_ZOMBIE(p))
568 return (0.0);
569 if (rawcpu)
570 return (100.0 * fxtofl(p->p_pctcpu));
571 return (100.0 * fxtofl(p->p_pctcpu) /
572 (1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
573 }
574
575 void
576 pcpu(k, ve)
577 KINFO *k;
578 VARENT *ve;
579 {
580 VAR *v;
581
582 v = ve->var;
583 (void)printf("%*.1f", v->width, getpcpu(k));
584 }
585
586 double
587 getpmem(k)
588 KINFO *k;
589 {
590 static int failure;
591 struct proc *p;
592 struct eproc *e;
593 double fracmem;
594 int szptudot;
595
596 if (!nlistread)
597 failure = (kd) ? donlist() : 1;
598 if (failure)
599 return (0.0);
600
601 p = KI_PROC(k);
602 e = KI_EPROC(k);
603 if ((p->p_flag & P_INMEM) == 0)
604 return (0.0);
605 /* XXX want pmap ptpages, segtab, etc. (per architecture) */
606 szptudot = USPACE/getpagesize();
607 /* XXX don't have info about shared */
608 fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages;
609 return (100.0 * fracmem);
610 }
611
612 void
613 pmem(k, ve)
614 KINFO *k;
615 VARENT *ve;
616 {
617 VAR *v;
618
619 v = ve->var;
620 (void)printf("%*.1f", v->width, getpmem(k));
621 }
622
623 void
624 pagein(k, ve)
625 KINFO *k;
626 VARENT *ve;
627 {
628 VAR *v;
629
630 v = ve->var;
631 (void)printf("%*ld", v->width,
632 k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
633 }
634
635 void
636 maxrss(k, ve)
637 KINFO *k;
638 VARENT *ve;
639 {
640 VAR *v;
641
642 v = ve->var;
643 (void)printf("%*s", v->width, "-");
644 }
645
646 void
647 tsize(k, ve)
648 KINFO *k;
649 VARENT *ve;
650 {
651 VAR *v;
652
653 v = ve->var;
654 (void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_tsize));
655 }
656
657 /*
658 * Generic output routines. Print fields from various prototype
659 * structures.
660 */
661 static void
662 printval(bp, v)
663 char *bp;
664 VAR *v;
665 {
666 static char ofmt[32] = "%";
667 char *fcp, *cp;
668 enum type type;
669
670 cp = ofmt + 1;
671 fcp = v->fmt;
672 if (v->flag & LJUST)
673 *cp++ = '-';
674 *cp++ = '*';
675 while ((*cp++ = *fcp++) != '\0')
676 continue;
677
678 /*
679 * Note that the "INF127" check is nonsensical for types
680 * that are or can be signed.
681 */
682 #define GET(type) (*(type *)bp)
683 #define CHK_INF127(n) (((n) > 127) && (v->flag & INF127) ? 127 : (n))
684
685 switch (v->type) {
686 case INT32:
687 if (sizeof(int32_t) == sizeof(int))
688 type = INT;
689 else if (sizeof(int32_t) == sizeof(long))
690 type = LONG;
691 else
692 errx(1, "unknown conversion for type %d", v->type);
693 break;
694 case UINT32:
695 if (sizeof(u_int32_t) == sizeof(u_int))
696 type = UINT;
697 else if (sizeof(u_int32_t) == sizeof(u_long))
698 type = ULONG;
699 else
700 errx(1, "unknown conversion for type %d", v->type);
701 break;
702 default:
703 type = v->type;
704 break;
705 }
706
707 switch (type) {
708 case CHAR:
709 (void)printf(ofmt, v->width, GET(char));
710 break;
711 case UCHAR:
712 (void)printf(ofmt, v->width, CHK_INF127(GET(u_char)));
713 break;
714 case SHORT:
715 (void)printf(ofmt, v->width, GET(short));
716 break;
717 case USHORT:
718 (void)printf(ofmt, v->width, CHK_INF127(GET(u_short)));
719 break;
720 case INT:
721 (void)printf(ofmt, v->width, GET(int));
722 break;
723 case UINT:
724 (void)printf(ofmt, v->width, CHK_INF127(GET(u_int)));
725 break;
726 case LONG:
727 (void)printf(ofmt, v->width, GET(long));
728 break;
729 case ULONG:
730 (void)printf(ofmt, v->width, CHK_INF127(GET(u_long)));
731 break;
732 case KPTR:
733 (void)printf(ofmt, v->width, GET(u_long));
734 break;
735 case KPTR24:
736 (void)printf(ofmt, v->width, GET(u_long) & 0xffffff);
737 break;
738 case SIGLIST:
739 {
740 sigset_t *s = (sigset_t *)(void *)bp;
741 size_t i;
742 #define SIGSETSIZE (sizeof(s->__bits) / sizeof(s->__bits[0]))
743 char buf[SIGSETSIZE * 8 + 1];
744
745 for (i = 0; i < SIGSETSIZE; i++)
746 (void)snprintf(&buf[i * 8], 9, "%.8x",
747 s->__bits[(SIGSETSIZE - 1) - i]);
748
749 /* Skip leading zeroes */
750 for (i = 0; buf[i]; i++)
751 if (buf[i] != '0')
752 break;
753
754 if (buf[i] == '\0')
755 i--;
756 (void)printf(ofmt, v->width, &buf[i]);
757 }
758 break;
759 default:
760 errx(1, "unknown type %d", v->type);
761 }
762 #undef GET
763 #undef CHK_INF127
764 }
765
766 void
767 pvar(k, ve)
768 KINFO *k;
769 VARENT *ve;
770 {
771 VAR *v;
772
773 v = ve->var;
774 printval((char *)KI_PROC(k) + v->off, v);
775 }
776
777 void
778 evar(k, ve)
779 KINFO *k;
780 VARENT *ve;
781 {
782 VAR *v;
783
784 v = ve->var;
785 printval((char *)KI_EPROC(k) + v->off, v);
786 }
787
788 void
789 uvar(k, ve)
790 KINFO *k;
791 VARENT *ve;
792 {
793 VAR *v;
794
795 v = ve->var;
796 if (k->ki_u.u_valid)
797 printval((char *)&k->ki_u + v->off, v);
798 else
799 (void)printf("%*s", v->width, "-");
800 }
801
802 void
803 rvar(k, ve)
804 KINFO *k;
805 VARENT *ve;
806 {
807 VAR *v;
808
809 v = ve->var;
810 if (k->ki_u.u_valid)
811 printval((char *)&k->ki_u.u_ru + v->off, v);
812 else
813 (void)printf("%*s", v->width, "-");
814 }
815