GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/pstat/pstat.c Lines: 0 613 0.0 %
Date: 2017-11-07 Branches: 0 452 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: pstat.c,v 1.113 2017/02/09 22:21:53 jca Exp $	*/
2
/*	$NetBSD: pstat.c,v 1.27 1996/10/23 22:50:06 cgd Exp $	*/
3
4
/*-
5
 * Copyright (c) 1980, 1991, 1993
6
 *	The Regents of the University of California.  All rights reserved.
7
 *
8
 * Redistribution and use in source and binary forms, with or without
9
 * modification, are permitted provided that the following conditions
10
 * are met:
11
 * 1. Redistributions of source code must retain the above copyright
12
 *    notice, this list of conditions and the following disclaimer.
13
 * 2. Redistributions in binary form must reproduce the above copyright
14
 *    notice, this list of conditions and the following disclaimer in the
15
 *    documentation and/or other materials provided with the distribution.
16
 * 3. Neither the name of the University nor the names of its contributors
17
 *    may be used to endorse or promote products derived from this software
18
 *    without specific prior written permission.
19
 *
20
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30
 * SUCH DAMAGE.
31
 */
32
33
#include <sys/param.h>	/* MAXCOMLEN DEV_BSIZE */
34
#include <sys/types.h>
35
#include <sys/proc.h>
36
#include <sys/time.h>
37
#include <sys/vnode.h>
38
#include <sys/ucred.h>
39
#include <sys/stat.h>
40
#define _KERNEL
41
#include <sys/file.h>
42
#include <ufs/ufs/quota.h>
43
#include <ufs/ufs/inode.h>
44
#include <sys/mount.h>
45
#undef _KERNEL
46
#include <nfs/nfsproto.h>
47
#include <nfs/rpcv2.h>
48
#include <nfs/nfsnode.h>
49
#include <sys/ioctl.h>
50
#include <sys/tty.h>
51
#include <sys/conf.h>
52
#include <sys/device.h>
53
#include <sys/swap.h>
54
55
#include <sys/sysctl.h>
56
57
#include <stdint.h>
58
#include <endian.h>
59
#include <err.h>
60
#include <kvm.h>
61
#include <limits.h>
62
#include <nlist.h>
63
#include <paths.h>
64
#include <stdio.h>
65
#include <stdlib.h>
66
#include <string.h>
67
#include <unistd.h>
68
69
struct nlist vnodenl[] = {
70
#define	FNL_NFILE	0		/* sysctl */
71
	{"_nfiles"},
72
#define FNL_MAXFILE	1		/* sysctl */
73
	{"_maxfiles"},
74
#define TTY_NTTY	2		/* sysctl */
75
	{"_tty_count"},
76
#define V_NUMV		3		/* sysctl */
77
	{ "_numvnodes" },
78
#define TTY_TTYLIST	4		/* sysctl */
79
	{"_ttylist"},
80
#define	V_MOUNTLIST	5		/* no sysctl */
81
	{ "_mountlist" },
82
	{ NULL }
83
};
84
85
struct itty *globalitp;
86
struct kinfo_file *kf;
87
struct nlist *globalnl;
88
89
struct e_vnode {
90
	struct vnode *vptr;
91
	struct vnode vnode;
92
};
93
94
int	kflag;
95
int	totalflag;
96
int	usenumflag;
97
int	hideroot;
98
int	maxfile;
99
int	need_nlist;
100
int	nfile;
101
int	ntty;
102
int	numvnodes;
103
char	*nlistf	= NULL;
104
char	*memf	= NULL;
105
kvm_t	*kd = NULL;
106
107
#define	SVAR(var) __STRING(var)	/* to force expansion */
108
#define	KGET(idx, var)							\
109
	KGET1(idx, &var, sizeof(var), SVAR(var))
110
#define	KGET1(idx, p, s, msg)						\
111
	KGET2(globalnl[idx].n_value, p, s, msg)
112
#define	KGET2(addr, p, s, msg)						\
113
	if (kvm_read(kd, (u_long)(addr), p, s) != s)			\
114
		warnx("cannot read %s: %s", msg, kvm_geterr(kd))
115
#define	KGETRET(addr, p, s, msg)					\
116
	if (kvm_read(kd, (u_long)(addr), p, s) != s) {			\
117
		warnx("cannot read %s: %s", msg, kvm_geterr(kd));	\
118
		return (0);						\
119
	}
120
121
void	filemode(void);
122
void	filemodeprep(void);
123
struct mount *
124
	getmnt(struct mount *);
125
struct e_vnode *
126
	kinfo_vnodes(void);
127
void	mount_print(struct mount *);
128
void	nfs_header(void);
129
int	nfs_print(struct vnode *);
130
void	swapmode(void);
131
void	ttymode(void);
132
void	ttymodeprep(void);
133
void	ttyprt(struct itty *);
134
void	tty2itty(struct tty *tp, struct itty *itp);
135
void	ufs_header(void);
136
int	ufs_print(struct vnode *);
137
void	ext2fs_header(void);
138
int	ext2fs_print(struct vnode *);
139
static void __dead	usage(void);
140
void	vnode_header(void);
141
void	vnode_print(struct vnode *, struct vnode *);
142
void	vnodemode(void);
143
void	vnodemodeprep(void);
144
145
146
int
147
main(int argc, char *argv[])
148
{
149
	int fileflag = 0, swapflag = 0, ttyflag = 0, vnodeflag = 0, ch;
150
	char buf[_POSIX2_LINE_MAX];
151
	const char *dformat = NULL;
152
	extern char *optarg;
153
	extern int optind;
154
	int i;
155
156
	hideroot = getuid();
157
158
	while ((ch = getopt(argc, argv, "d:TM:N:fiknstv")) != -1)
159
		switch (ch) {
160
		case 'd':
161
			dformat = optarg;
162
			break;
163
		case 'f':
164
			fileflag = 1;
165
			break;
166
		case 'M':
167
			memf = optarg;
168
			break;
169
		case 'N':
170
			nlistf = optarg;
171
			break;
172
		case 'n':
173
			usenumflag = 1;
174
			break;
175
		case 's':
176
			swapflag = 1;
177
			break;
178
		case 'T':
179
			totalflag = 1;
180
			break;
181
		case 't':
182
			ttyflag = 1;
183
			break;
184
		case 'k':
185
			kflag = 1;
186
			break;
187
		case 'v':
188
		case 'i':		/* Backward compatibility. */
189
			vnodeflag = 1;
190
			break;
191
		default:
192
			usage();
193
		}
194
	argc -= optind;
195
	argv += optind;
196
197
	if (dformat && getuid())
198
		errx(1, "Only root can use -d");
199
200
	if ((dformat == NULL && argc > 0) || (dformat && argc == 0))
201
		usage();
202
203
	need_nlist = dformat || vnodeflag;
204
205
	if (nlistf != NULL || memf != NULL) {
206
		if (fileflag || totalflag)
207
			need_nlist = 1;
208
	}
209
210
	if (vnodeflag || fileflag || dformat || need_nlist)
211
		if ((kd = kvm_openfiles(nlistf, memf, NULL,
212
		    O_RDONLY | (need_nlist ? 0 : KVM_NO_FILES), buf)) == 0)
213
			errx(1, "kvm_openfiles: %s", buf);
214
215
	if (need_nlist)
216
		if (kvm_nlist(kd, vnodenl) == -1)
217
			errx(1, "kvm_nlist: %s", kvm_geterr(kd));
218
219
	if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag || dformat))
220
		usage();
221
222
	if(!dformat) {
223
		if (fileflag || totalflag)
224
			filemodeprep();
225
		if (vnodeflag || totalflag)
226
			vnodemodeprep();
227
		if (ttyflag)
228
			ttymodeprep();
229
	}
230
231
	if (pledge("stdio rpath vminfo flock cpath wpath", NULL) == -1)
232
		err(1, "pledge");
233
234
	if (dformat) {
235
		struct nlist *nl;
236
		int longformat = 0, stringformat = 0, error = 0, n;
237
		uint32_t mask = ~0;
238
		char format[10], buf[1024];
239
240
		n = strlen(dformat);
241
		if (n == 0)
242
			errx(1, "illegal format");
243
244
		/*
245
		 * Support p, c, s, and {l, ll, h, hh, j, t, z, }[diouxX]
246
		 */
247
		if (strcmp(dformat, "p") == 0)
248
			longformat = sizeof(long) == 8;
249
		else if (strcmp(dformat, "c") == 0)
250
			mask = 0xff;
251
		else if (strcmp(dformat, "s") == 0)
252
			stringformat = 1;
253
		else if (strchr("diouxX", dformat[n - 1])) {
254
			char *ptbl[]= {"l", "ll", "h", "hh", "j", "t", "z", ""};
255
			int i;
256
257
			char *mod;
258
			for (i = 0; i < sizeof(ptbl)/sizeof(ptbl[0]); i++) {
259
				mod = ptbl[i];
260
				if (strlen(mod) == n - 1 &&
261
				    strncmp(mod, dformat, strlen(mod)) == 0)
262
					break;
263
			}
264
			if (i == sizeof(ptbl)/sizeof(ptbl[0])
265
			    && dformat[1] != '\0')
266
				errx(1, "illegal format");
267
			if (strcmp(mod, "l") == 0)
268
				longformat = sizeof(long) == sizeof(long long);
269
			else if (strcmp(mod, "h") == 0)
270
				mask = 0xffff;
271
			else if (strcmp(mod, "hh") == 0)
272
				mask = 0xff;
273
			else if (strcmp(mod, "") != 0)
274
				longformat = 1;
275
276
		} else
277
			errx(1, "illegal format");
278
279
		if (*dformat == 's') {
280
			stringformat = 1;
281
			snprintf(format, sizeof(format), "%%.%zus",
282
			    sizeof buf);
283
		} else
284
			snprintf(format, sizeof(format), "%%%s", dformat);
285
286
		nl = calloc(argc + 1, sizeof *nl);
287
		if (!nl)
288
			err(1, "calloc nl: ");
289
		for (i = 0; i < argc; i++) {
290
			if (asprintf(&nl[i].n_name, "_%s",
291
			    argv[i]) == -1)
292
				warn("asprintf");
293
		}
294
		kvm_nlist(kd, nl);
295
		globalnl = nl;
296
		for (i = 0; i < argc; i++) {
297
			uint64_t v;
298
299
			printf("%s ", argv[i]);
300
			if (!nl[i].n_value && argv[i][0] == '0') {
301
				nl[i].n_value = strtoul(argv[i], NULL, 16);
302
				nl[i].n_type = N_DATA;
303
			}
304
			if (!nl[i].n_value) {
305
				printf("not found\n");
306
				error++;
307
				continue;
308
			}
309
310
			printf("at %p: ", (void *)nl[i].n_value);
311
			if ((nl[i].n_type & N_TYPE) == N_DATA ||
312
			    (nl[i].n_type & N_TYPE) == N_COMM) {
313
				if (stringformat) {
314
					KGET1(i, &buf, sizeof(buf), argv[i]);
315
					buf[sizeof(buf) - 1] = '\0';
316
				} else
317
					KGET1(i, &v, sizeof(v), argv[i]);
318
				if (stringformat)
319
					printf(format, &buf);
320
				else if (longformat)
321
					printf(format, v);
322
				else {
323
#if BYTE_ORDER == BIG_ENDIAN
324
					switch (mask) {
325
					case 0xff:
326
						v >>= 8;
327
						/* FALLTHROUGH */
328
					case 0xffff:
329
						v >>= 16;
330
						/* FALLTHROUGH */
331
					case 0xffffffff:
332
						v >>= 32;
333
						break;
334
					}
335
#endif
336
					printf(format, ((uint32_t)v) & mask);
337
				}
338
			}
339
			printf("\n");
340
		}
341
		for (i = 0; i < argc; i++)
342
			free(nl[i].n_name);
343
		free(nl);
344
		return error;
345
	}
346
347
	if (fileflag || totalflag)
348
		filemode();
349
	if (vnodeflag || totalflag)
350
		vnodemode();
351
	if (ttyflag)
352
		ttymode();
353
	if (swapflag || totalflag)
354
		swapmode();
355
	return 0;
356
}
357
358
void
359
vnodemode(void)
360
{
361
	struct e_vnode *e_vnodebase, *endvnode, *evp;
362
	struct vnode *vp;
363
	struct mount *maddr, *mp = NULL;
364
365
	globalnl = vnodenl;
366
367
	e_vnodebase = kinfo_vnodes();
368
	if (totalflag) {
369
		(void)printf("%7d vnodes\n", numvnodes);
370
		return;
371
	}
372
	if (!e_vnodebase)
373
		return;
374
	endvnode = e_vnodebase + numvnodes;
375
	(void)printf("%d active vnodes\n", numvnodes);
376
377
	maddr = NULL;
378
	for (evp = e_vnodebase; evp < endvnode; evp++) {
379
		vp = &evp->vnode;
380
		if (vp->v_mount != maddr) {
381
			/*
382
			 * New filesystem
383
			 */
384
			if ((mp = getmnt(vp->v_mount)) == NULL)
385
				continue;
386
			maddr = vp->v_mount;
387
			mount_print(mp);
388
			vnode_header();
389
			if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) ||
390
			    !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) {
391
				ufs_header();
392
			} else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS,
393
			    MFSNAMELEN)) {
394
				nfs_header();
395
			} else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS,
396
			    MFSNAMELEN)) {
397
				ext2fs_header();
398
			}
399
			(void)printf("\n");
400
		}
401
		vnode_print(evp->vptr, vp);
402
403
		/* Syncer vnodes have no associated fs-specific data */
404
		if (vp->v_data == NULL) {
405
			printf(" %6c %5c %7c\n", '-', '-', '-');
406
			continue;
407
		}
408
409
		if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) ||
410
		    !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) {
411
			ufs_print(vp);
412
		} else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, MFSNAMELEN)) {
413
			nfs_print(vp);
414
		} else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS,
415
		    MFSNAMELEN)) {
416
			ext2fs_print(vp);
417
		}
418
		(void)printf("\n");
419
	}
420
	free(e_vnodebase);
421
}
422
423
void
424
vnodemodeprep(void)
425
{
426
	int mib[2];
427
	size_t num;
428
429
	if (kd == NULL) {
430
		mib[0] = CTL_KERN;
431
		mib[1] = KERN_NUMVNODES;
432
		num = sizeof(numvnodes);
433
		if (sysctl(mib, 2, &numvnodes, &num, NULL, 0) < 0)
434
			err(1, "sysctl(KERN_NUMVNODES) failed");
435
	}
436
}
437
438
void
439
vnode_header(void)
440
{
441
	(void)printf("%*s TYP VFLAG  USE HOLD", 2 * (int)sizeof(long), "ADDR");
442
}
443
444
void
445
vnode_print(struct vnode *avnode, struct vnode *vp)
446
{
447
	char *type, flags[16];
448
	char *fp;
449
	int flag;
450
451
	/*
452
	 * set type
453
	 */
454
	switch (vp->v_type) {
455
	case VNON:
456
		type = "non"; break;
457
	case VREG:
458
		type = "reg"; break;
459
	case VDIR:
460
		type = "dir"; break;
461
	case VBLK:
462
		type = "blk"; break;
463
	case VCHR:
464
		type = "chr"; break;
465
	case VLNK:
466
		type = "lnk"; break;
467
	case VSOCK:
468
		type = "soc"; break;
469
	case VFIFO:
470
		type = "fif"; break;
471
	case VBAD:
472
		type = "bad"; break;
473
	default:
474
		type = "unk"; break;
475
	}
476
	/*
477
	 * gather flags
478
	 */
479
	fp = flags;
480
	flag = vp->v_flag;
481
	if (flag & VROOT)
482
		*fp++ = 'R';
483
	if (flag & VTEXT)
484
		*fp++ = 'T';
485
	if (flag & VSYSTEM)
486
		*fp++ = 'S';
487
	if (flag & VISTTY)
488
		*fp++ = 'I';
489
	if (flag & VXLOCK)
490
		*fp++ = 'L';
491
	if (flag & VXWANT)
492
		*fp++ = 'W';
493
	if (vp->v_bioflag & VBIOWAIT)
494
		*fp++ = 'B';
495
	if (flag & VALIASED)
496
		*fp++ = 'A';
497
	if (vp->v_bioflag & VBIOONFREELIST)
498
		*fp++ = 'F';
499
	if (flag & VLOCKSWORK)
500
		*fp++ = 'l';
501
	if (vp->v_bioflag & VBIOONSYNCLIST)
502
		*fp++ = 's';
503
	if (fp == flags)
504
		*fp++ = '-';
505
	*fp = '\0';
506
	(void)printf("%0*lx %s %5s %4d %4u",
507
	    2 * (int)sizeof(long), hideroot ? 0L : (long)avnode,
508
	    type, flags, vp->v_usecount, vp->v_holdcnt);
509
}
510
511
void
512
ufs_header(void)
513
{
514
	(void)printf(" FILEID IFLAG RDEV|SZ");
515
}
516
517
int
518
ufs_print(struct vnode *vp)
519
{
520
	int flag;
521
	struct inode inode, *ip = &inode;
522
	struct ufs1_dinode di1;
523
	char flagbuf[16], *flags = flagbuf;
524
	char *name;
525
	mode_t type;
526
527
	KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode");
528
	KGETRET(inode.i_din1, &di1, sizeof(struct ufs1_dinode),
529
	    "vnode's dinode");
530
531
	inode.i_din1 = &di1;
532
	flag = ip->i_flag;
533
#if 0
534
	if (flag & IN_LOCKED)
535
		*flags++ = 'L';
536
	if (flag & IN_WANTED)
537
		*flags++ = 'W';
538
	if (flag & IN_LWAIT)
539
		*flags++ = 'Z';
540
#endif
541
	if (flag & IN_ACCESS)
542
		*flags++ = 'A';
543
	if (flag & IN_CHANGE)
544
		*flags++ = 'C';
545
	if (flag & IN_UPDATE)
546
		*flags++ = 'U';
547
	if (flag & IN_MODIFIED)
548
		*flags++ = 'M';
549
	if (flag & IN_LAZYMOD)
550
		*flags++ = 'm';
551
	if (flag & IN_RENAME)
552
		*flags++ = 'R';
553
	if (flag & IN_SHLOCK)
554
		*flags++ = 'S';
555
	if (flag & IN_EXLOCK)
556
		*flags++ = 'E';
557
	if (flag == 0)
558
		*flags++ = '-';
559
	*flags = '\0';
560
561
	(void)printf(" %6d %5s", ip->i_number, flagbuf);
562
	type = ip->i_ffs1_mode & S_IFMT;
563
	if (S_ISCHR(ip->i_ffs1_mode) || S_ISBLK(ip->i_ffs1_mode))
564
		if (usenumflag ||
565
		    ((name = devname(ip->i_ffs1_rdev, type)) == NULL))
566
			(void)printf("   %2d,%-2d",
567
			    major(ip->i_ffs1_rdev), minor(ip->i_ffs1_rdev));
568
		else
569
			(void)printf(" %7s", name);
570
	else
571
		(void)printf(" %7lld", (long long)ip->i_ffs1_size);
572
	return (0);
573
}
574
575
void
576
ext2fs_header(void)
577
{
578
	(void)printf(" FILEID IFLAG SZ");
579
}
580
581
int
582
ext2fs_print(struct vnode *vp)
583
{
584
	int flag;
585
	struct inode inode, *ip = &inode;
586
	struct ext2fs_dinode di;
587
	char flagbuf[16], *flags = flagbuf;
588
589
	KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode");
590
	KGETRET(inode.i_e2din, &di, sizeof(struct ext2fs_dinode),
591
	    "vnode's dinode");
592
593
	inode.i_e2din = &di;
594
	flag = ip->i_flag;
595
596
#if 0
597
	if (flag & IN_LOCKED)
598
		*flags++ = 'L';
599
	if (flag & IN_WANTED)
600
		*flags++ = 'W';
601
	if (flag & IN_LWAIT)
602
		*flags++ = 'Z';
603
#endif
604
	if (flag & IN_ACCESS)
605
		*flags++ = 'A';
606
	if (flag & IN_CHANGE)
607
		*flags++ = 'C';
608
	if (flag & IN_UPDATE)
609
		*flags++ = 'U';
610
	if (flag & IN_MODIFIED)
611
		*flags++ = 'M';
612
	if (flag & IN_RENAME)
613
		*flags++ = 'R';
614
	if (flag & IN_SHLOCK)
615
		*flags++ = 'S';
616
	if (flag & IN_EXLOCK)
617
		*flags++ = 'E';
618
	if (flag == 0)
619
		*flags++ = '-';
620
	*flags = '\0';
621
622
	(void)printf(" %6d %5s %2d", ip->i_number, flagbuf, ip->i_e2fs_size);
623
	return (0);
624
}
625
626
void
627
nfs_header(void)
628
{
629
	(void)printf(" FILEID NFLAG RDEV|SZ");
630
}
631
632
int
633
nfs_print(struct vnode *vp)
634
{
635
	struct nfsnode nfsnode, *np = &nfsnode;
636
	char flagbuf[16], *flags = flagbuf;
637
	int flag;
638
	char *name;
639
	mode_t type;
640
641
	KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode");
642
	flag = np->n_flag;
643
	if (flag & NFLUSHWANT)
644
		*flags++ = 'W';
645
	if (flag & NFLUSHINPROG)
646
		*flags++ = 'P';
647
	if (flag & NMODIFIED)
648
		*flags++ = 'M';
649
	if (flag & NWRITEERR)
650
		*flags++ = 'E';
651
	if (flag & NACC)
652
		*flags++ = 'A';
653
	if (flag & NUPD)
654
		*flags++ = 'U';
655
	if (flag & NCHG)
656
		*flags++ = 'C';
657
	if (flag == 0)
658
		*flags++ = '-';
659
	*flags = '\0';
660
661
	(void)printf(" %6lld %5s", (long long)np->n_vattr.va_fileid, flagbuf);
662
	type = np->n_vattr.va_mode & S_IFMT;
663
	if (S_ISCHR(np->n_vattr.va_mode) || S_ISBLK(np->n_vattr.va_mode))
664
		if (usenumflag ||
665
		    ((name = devname(np->n_vattr.va_rdev, type)) == NULL))
666
			(void)printf("   %2d,%-2d", major(np->n_vattr.va_rdev),
667
			    minor(np->n_vattr.va_rdev));
668
		else
669
			(void)printf(" %7s", name);
670
	else
671
		(void)printf(" %7lld", (long long)np->n_size);
672
	return (0);
673
}
674
675
/*
676
 * Given a pointer to a mount structure in kernel space,
677
 * read it in and return a usable pointer to it.
678
 */
679
struct mount *
680
getmnt(struct mount *maddr)
681
{
682
	static struct mtab {
683
		struct mtab *next;
684
		struct mount *maddr;
685
		struct mount mount;
686
	} *mhead = NULL;
687
	struct mtab *mt;
688
689
	for (mt = mhead; mt != NULL; mt = mt->next)
690
		if (maddr == mt->maddr)
691
			return (&mt->mount);
692
	if ((mt = malloc(sizeof(struct mtab))) == NULL)
693
		err(1, "malloc: mount table");
694
	KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table");
695
	mt->maddr = maddr;
696
	mt->next = mhead;
697
	mhead = mt;
698
	return (&mt->mount);
699
}
700
701
void
702
mount_print(struct mount *mp)
703
{
704
	int flags;
705
706
	(void)printf("*** MOUNT ");
707
	(void)printf("%.*s %s on %s", MFSNAMELEN,
708
	    mp->mnt_stat.f_fstypename, mp->mnt_stat.f_mntfromname,
709
	    mp->mnt_stat.f_mntonname);
710
	if ((flags = mp->mnt_flag)) {
711
		char *comma = "(";
712
713
		putchar(' ');
714
		/* user visible flags */
715
		if (flags & MNT_RDONLY) {
716
			(void)printf("%srdonly", comma);
717
			flags &= ~MNT_RDONLY;
718
			comma = ",";
719
		}
720
		if (flags & MNT_SYNCHRONOUS) {
721
			(void)printf("%ssynchronous", comma);
722
			flags &= ~MNT_SYNCHRONOUS;
723
			comma = ",";
724
		}
725
		if (flags & MNT_NOEXEC) {
726
			(void)printf("%snoexec", comma);
727
			flags &= ~MNT_NOEXEC;
728
			comma = ",";
729
		}
730
		if (flags & MNT_NOSUID) {
731
			(void)printf("%snosuid", comma);
732
			flags &= ~MNT_NOSUID;
733
			comma = ",";
734
		}
735
		if (flags & MNT_NODEV) {
736
			(void)printf("%snodev", comma);
737
			flags &= ~MNT_NODEV;
738
			comma = ",";
739
		}
740
		if (flags & MNT_ASYNC) {
741
			(void)printf("%sasync", comma);
742
			flags &= ~MNT_ASYNC;
743
			comma = ",";
744
		}
745
		if (flags & MNT_EXRDONLY) {
746
			(void)printf("%sexrdonly", comma);
747
			flags &= ~MNT_EXRDONLY;
748
			comma = ",";
749
		}
750
		if (flags & MNT_EXPORTED) {
751
			(void)printf("%sexport", comma);
752
			flags &= ~MNT_EXPORTED;
753
			comma = ",";
754
		}
755
		if (flags & MNT_DEFEXPORTED) {
756
			(void)printf("%sdefdexported", comma);
757
			flags &= ~MNT_DEFEXPORTED;
758
			comma = ",";
759
		}
760
		if (flags & MNT_EXPORTANON) {
761
			(void)printf("%sexportanon", comma);
762
			flags &= ~MNT_EXPORTANON;
763
			comma = ",";
764
		}
765
		if (flags & MNT_WXALLOWED) {
766
			(void)printf("%swxallowed", comma);
767
			flags &= ~MNT_WXALLOWED;
768
			comma = ",";
769
		}
770
		if (flags & MNT_LOCAL) {
771
			(void)printf("%slocal", comma);
772
			flags &= ~MNT_LOCAL;
773
			comma = ",";
774
		}
775
		if (flags & MNT_QUOTA) {
776
			(void)printf("%squota", comma);
777
			flags &= ~MNT_QUOTA;
778
			comma = ",";
779
		}
780
		if (flags & MNT_ROOTFS) {
781
			(void)printf("%srootfs", comma);
782
			flags &= ~MNT_ROOTFS;
783
			comma = ",";
784
		}
785
		if (flags & MNT_NOATIME) {
786
			(void)printf("%snoatime", comma);
787
			flags &= ~MNT_NOATIME;
788
			comma = ",";
789
		}
790
		/* filesystem control flags */
791
		if (flags & MNT_UPDATE) {
792
			(void)printf("%supdate", comma);
793
			flags &= ~MNT_UPDATE;
794
			comma = ",";
795
		}
796
		if (flags & MNT_DELEXPORT) {
797
			(void)printf("%sdelexport", comma);
798
			flags &= ~MNT_DELEXPORT;
799
			comma = ",";
800
		}
801
		if (flags & MNT_RELOAD) {
802
			(void)printf("%sreload", comma);
803
			flags &= ~MNT_RELOAD;
804
			comma = ",";
805
		}
806
		if (flags & MNT_FORCE) {
807
			(void)printf("%sforce", comma);
808
			flags &= ~MNT_FORCE;
809
			comma = ",";
810
		}
811
		if (flags & MNT_WANTRDWR) {
812
			(void)printf("%swantrdwr", comma);
813
			flags &= ~MNT_WANTRDWR;
814
			comma = ",";
815
		}
816
		if (flags & MNT_SOFTDEP) {
817
			(void)printf("%ssoftdep", comma);
818
			flags &= ~MNT_SOFTDEP;
819
			comma = ",";
820
		}
821
		if (flags)
822
			(void)printf("%sunknown_flags:%x", comma, flags);
823
		(void)printf(")");
824
	}
825
	(void)printf("\n");
826
}
827
828
/*
829
 * simulate what a running kernel does in kinfo_vnode
830
 */
831
struct e_vnode *
832
kinfo_vnodes(void)
833
{
834
	struct mntlist kvm_mountlist;
835
	struct mount *mp, mount;
836
	struct vnode *vp, vnode;
837
	char *vbuf, *evbuf, *bp;
838
	size_t num;
839
840
	if (kd != NULL)
841
		KGET(V_NUMV, numvnodes);
842
	if (totalflag)
843
		return NULL;
844
	if ((vbuf = calloc(numvnodes + 20,
845
	    sizeof(struct vnode *) + sizeof(struct vnode))) == NULL)
846
		err(1, "malloc: vnode buffer");
847
	bp = vbuf;
848
	evbuf = vbuf + (numvnodes + 20) *
849
	    (sizeof(struct vnode *) + sizeof(struct vnode));
850
	KGET(V_MOUNTLIST, kvm_mountlist);
851
	num = 0;
852
	for (mp = TAILQ_FIRST(&kvm_mountlist); mp != NULL;
853
	    mp = TAILQ_NEXT(&mount, mnt_list)) {
854
		KGETRET(mp, &mount, sizeof(mount), "mount entry");
855
		for (vp = LIST_FIRST(&mount.mnt_vnodelist);
856
		    vp != NULL; vp = LIST_NEXT(&vnode, v_mntvnodes)) {
857
			KGETRET(vp, &vnode, sizeof(vnode), "vnode");
858
			if ((bp + sizeof(struct vnode *) +
859
			    sizeof(struct vnode)) > evbuf)
860
				/* XXX - should realloc */
861
				errx(1, "no more room for vnodes");
862
			memmove(bp, &vp, sizeof(struct vnode *));
863
			bp += sizeof(struct vnode *);
864
			memmove(bp, &vnode, sizeof(struct vnode));
865
			bp += sizeof(struct vnode);
866
			num++;
867
		}
868
	}
869
	numvnodes = num;
870
	return ((struct e_vnode *)vbuf);
871
}
872
873
const char hdr[] =
874
"   LINE RAW  CAN  OUT  HWT LWT    COL STATE      SESS  PGID DISC\n";
875
876
void
877
tty2itty(struct tty *tp, struct itty *itp)
878
{
879
	itp->t_dev = tp->t_dev;
880
	itp->t_rawq_c_cc = tp->t_rawq.c_cc;
881
	itp->t_canq_c_cc = tp->t_canq.c_cc;
882
	itp->t_outq_c_cc = tp->t_outq.c_cc;
883
	itp->t_hiwat = tp->t_hiwat;
884
	itp->t_lowat = tp->t_lowat;
885
	itp->t_column = tp->t_column;
886
	itp->t_state = tp->t_state;
887
	itp->t_session = tp->t_session;
888
	if (tp->t_pgrp != NULL)
889
		KGET2(&tp->t_pgrp->pg_id, &itp->t_pgrp_pg_id, sizeof(pid_t), "pgid");
890
	itp->t_line = tp->t_line;
891
}
892
893
void
894
ttymode(void)
895
{
896
	struct ttylist_head tty_head;
897
	struct tty *tp, tty;
898
	int i;
899
	struct itty itty;
900
901
	if (need_nlist)
902
		KGET(TTY_NTTY, ntty);
903
	(void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s");
904
	(void)printf("%s", hdr);
905
	if (!need_nlist) {
906
		for (i = 0; i < ntty; i++)
907
			ttyprt(&globalitp[i]);
908
		free(globalitp);
909
	} else {
910
		KGET(TTY_TTYLIST, tty_head);
911
		for (tp = TAILQ_FIRST(&tty_head); tp;
912
		    tp = TAILQ_NEXT(&tty, tty_link)) {
913
			KGET2(tp, &tty, sizeof tty, "tty struct");
914
			tty2itty(&tty, &itty);
915
			ttyprt(&itty);
916
		}
917
	}
918
}
919
920
void
921
ttymodeprep(void)
922
{
923
	int mib[3];
924
	size_t nlen;
925
926
	if (!need_nlist) {
927
		mib[0] = CTL_KERN;
928
		mib[1] = KERN_TTYCOUNT;
929
		nlen = sizeof(ntty);
930
		if (sysctl(mib, 2, &ntty, &nlen, NULL, 0) < 0)
931
			err(1, "sysctl(KERN_TTYCOUNT) failed");
932
933
		mib[0] = CTL_KERN;
934
		mib[1] = KERN_TTY;
935
		mib[2] = KERN_TTY_INFO;
936
		if ((globalitp = reallocarray(NULL, ntty, sizeof(struct itty))) == NULL)
937
			err(1, "malloc");
938
		nlen = ntty * sizeof(struct itty);
939
		if (sysctl(mib, 3, globalitp, &nlen, NULL, 0) < 0)
940
			err(1, "sysctl(KERN_TTY_INFO) failed");
941
	}
942
}
943
944
struct {
945
	int flag;
946
	char val;
947
} ttystates[] = {
948
	{ TS_WOPEN,	'W'},
949
	{ TS_ISOPEN,	'O'},
950
	{ TS_CARR_ON,	'C'},
951
	{ TS_TIMEOUT,	'T'},
952
	{ TS_FLUSH,	'F'},
953
	{ TS_BUSY,	'B'},
954
	{ TS_ASLEEP,	'A'},
955
	{ TS_XCLUDE,	'X'},
956
	{ TS_TTSTOP,	'S'},
957
	{ TS_TBLOCK,	'K'},
958
	{ TS_ASYNC,	'Y'},
959
	{ TS_BKSL,	'D'},
960
	{ TS_ERASE,	'E'},
961
	{ TS_LNCH,	'L'},
962
	{ TS_TYPEN,	'P'},
963
	{ TS_CNTTB,	'N'},
964
	{ 0,		'\0'},
965
};
966
967
void
968
ttyprt(struct itty *tp)
969
{
970
	char *name, state[20];
971
	int i, j;
972
973
	if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL)
974
		(void)printf("%2d,%-3d   ", major(tp->t_dev), minor(tp->t_dev));
975
	else
976
		(void)printf("%7s ", name);
977
	(void)printf("%3d %4d ", tp->t_rawq_c_cc, tp->t_canq_c_cc);
978
	(void)printf("%4d %4d %3d %6d ", tp->t_outq_c_cc,
979
		tp->t_hiwat, tp->t_lowat, tp->t_column);
980
	for (i = j = 0; ttystates[i].flag; i++)
981
		if (tp->t_state&ttystates[i].flag)
982
			state[j++] = ttystates[i].val;
983
	if (j == 0)
984
		state[j++] = '-';
985
	state[j] = '\0';
986
	(void)printf("%-6s %8lx", state,
987
		hideroot ? 0 : (u_long)tp->t_session & 0xffffffff);
988
	(void)printf("%6d ", tp->t_pgrp_pg_id);
989
	switch (tp->t_line) {
990
	case TTYDISC:
991
		(void)printf("term\n");
992
		break;
993
	case PPPDISC:
994
		(void)printf("ppp\n");
995
		break;
996
	case NMEADISC:
997
		(void)printf("nmea\n");
998
		break;
999
	default:
1000
		(void)printf("%d\n", tp->t_line);
1001
		break;
1002
	}
1003
}
1004
1005
void
1006
filemode(void)
1007
{
1008
	char flagbuf[16], *fbp;
1009
	static char *dtypes[] = { "???", "inode", "socket", "pipe", "kqueue", "???", "???" };
1010
1011
	globalnl = vnodenl;
1012
1013
	if (nlistf != NULL || memf != NULL) {
1014
		KGET(FNL_MAXFILE, maxfile);
1015
		if (totalflag) {
1016
			KGET(FNL_NFILE, nfile);
1017
			(void)printf("%3d/%3d files\n", nfile, maxfile);
1018
			return;
1019
		}
1020
	}
1021
1022
	(void)printf("%d/%d open files\n", nfile, maxfile);
1023
	if (totalflag)
1024
		return;
1025
1026
	(void)printf("%*s TYPE       FLG  CNT  MSG  %*s  OFFSET\n",
1027
	    2 * (int)sizeof(long), "LOC", 2 * (int)sizeof(long), "DATA");
1028
	for (; nfile-- > 0; kf++) {
1029
		(void)printf("%0*llx ", 2 * (int)sizeof(long),
1030
		    hideroot ? 0LL : kf->f_fileaddr);
1031
		(void)printf("%-8.8s", dtypes[
1032
		    (kf->f_type >= (sizeof(dtypes)/sizeof(dtypes[0])))
1033
		    ? 0 : kf->f_type]);
1034
		fbp = flagbuf;
1035
		if (kf->f_flag & FREAD)
1036
			*fbp++ = 'R';
1037
		if (kf->f_flag & FWRITE)
1038
			*fbp++ = 'W';
1039
		if (kf->f_flag & FAPPEND)
1040
			*fbp++ = 'A';
1041
		if (kf->f_flag & FASYNC)
1042
			*fbp++ = 'I';
1043
1044
		if (kf->f_iflags & FIF_HASLOCK)
1045
			*fbp++ = 'L';
1046
		if (kf->f_iflags & FIF_LARVAL)
1047
			*fbp++ = 'l';
1048
1049
		*fbp = '\0';
1050
		(void)printf("%6s  %3ld", flagbuf, (long)kf->f_count);
1051
		(void)printf("  %3ld", (long)kf->f_msgcount);
1052
		(void)printf("  %0*lx", 2 * (int)sizeof(long),
1053
		    hideroot ? 0L : (long)kf->f_data);
1054
1055
		if (kf->f_offset == (uint64_t)-1)
1056
			(void)printf("  *\n");
1057
		else if (kf->f_offset > INT64_MAX) {
1058
			/* would have been negative */
1059
			(void)printf("  %llx\n",
1060
			    hideroot ? 0LL : (long long)kf->f_offset);
1061
		} else
1062
			(void)printf("  %lld\n",
1063
			    hideroot ? 0LL : (long long)kf->f_offset);
1064
	}
1065
}
1066
1067
void
1068
filemodeprep(void)
1069
{
1070
	int mib[2];
1071
	size_t len;
1072
1073
	if (nlistf == NULL && memf == NULL) {
1074
		mib[0] = CTL_KERN;
1075
		mib[1] = KERN_MAXFILES;
1076
		len = sizeof(maxfile);
1077
		if (sysctl(mib, 2, &maxfile, &len, NULL, 0) < 0)
1078
			err(1, "sysctl(KERN_MAXFILES) failed");
1079
		if (totalflag) {
1080
			mib[0] = CTL_KERN;
1081
			mib[1] = KERN_NFILES;
1082
			len = sizeof(nfile);
1083
			if (sysctl(mib, 2, &nfile, &len, NULL, 0) < 0)
1084
				err(1, "sysctl(KERN_NFILES) failed");
1085
		}
1086
	}
1087
1088
	if (!totalflag) {
1089
		kf = kvm_getfiles(kd, KERN_FILE_BYFILE, 0, sizeof *kf, &nfile);
1090
		if (kf == NULL) {
1091
			warnx("kvm_getfiles: %s", kvm_geterr(kd));
1092
			return;
1093
		}
1094
	}
1095
}
1096
1097
/*
1098
 * swapmode is based on a program called swapinfo written
1099
 * by Kevin Lahey <kml@rokkaku.atl.ga.us>.
1100
 */
1101
void
1102
swapmode(void)
1103
{
1104
	char *header;
1105
	int hlen = 10, nswap;
1106
	int bdiv, i, avail, nfree, npfree, used;
1107
	long blocksize;
1108
	struct swapent *swdev;
1109
1110
	if (kflag) {
1111
		header = "1K-blocks";
1112
		blocksize = 1024;
1113
		hlen = strlen(header);
1114
	} else
1115
		header = getbsize(&hlen, &blocksize);
1116
1117
	nswap = swapctl(SWAP_NSWAP, 0, 0);
1118
	if (nswap == 0) {
1119
		if (!totalflag)
1120
			(void)printf("%-11s %*s %8s %8s %8s  %s\n",
1121
			    "Device", hlen, header,
1122
			    "Used", "Avail", "Capacity", "Priority");
1123
		(void)printf("%-11s %*d %8d %8d %5.0f%%\n",
1124
		    "Total", hlen, 0, 0, 0, 0.0);
1125
		return;
1126
	}
1127
	if ((swdev = calloc(nswap, sizeof(*swdev))) == NULL)
1128
		err(1, "malloc");
1129
	if (swapctl(SWAP_STATS, swdev, nswap) == -1)
1130
		err(1, "swapctl");
1131
1132
	if (!totalflag)
1133
		(void)printf("%-11s %*s %8s %8s %8s  %s\n",
1134
		    "Device", hlen, header,
1135
		    "Used", "Avail", "Capacity", "Priority");
1136
1137
	/* Run through swap list, doing the funky monkey. */
1138
	bdiv = blocksize / DEV_BSIZE;
1139
	avail = nfree = npfree = 0;
1140
	for (i = 0; i < nswap; i++) {
1141
		int xsize, xfree;
1142
1143
		if (!(swdev[i].se_flags & SWF_ENABLE))
1144
			continue;
1145
1146
		if (!totalflag) {
1147
			if (usenumflag)
1148
				(void)printf("%2d,%-2d       %*d ",
1149
				    major(swdev[i].se_dev),
1150
				    minor(swdev[i].se_dev),
1151
				    hlen, swdev[i].se_nblks / bdiv);
1152
			else
1153
				(void)printf("%-11s %*d ", swdev[i].se_path,
1154
				    hlen, swdev[i].se_nblks / bdiv);
1155
		}
1156
1157
		xsize = swdev[i].se_nblks;
1158
		used = swdev[i].se_inuse;
1159
		xfree = xsize - used;
1160
		nfree += (xsize - used);
1161
		npfree++;
1162
		avail += xsize;
1163
		if (totalflag)
1164
			continue;
1165
		(void)printf("%8d %8d %5.0f%%    %d\n",
1166
		    used / bdiv, xfree / bdiv,
1167
		    (double)used / (double)xsize * 100.0,
1168
		    swdev[i].se_priority);
1169
	}
1170
	free(swdev);
1171
1172
	/*
1173
	 * If only one partition has been set up via swapon(8), we don't
1174
	 * need to bother with totals.
1175
	 */
1176
	used = avail - nfree;
1177
	if (totalflag) {
1178
		(void)printf("%dM/%dM swap space\n",
1179
		    used / (1048576 / DEV_BSIZE),
1180
		    avail / (1048576 / DEV_BSIZE));
1181
		return;
1182
	}
1183
	if (npfree > 1) {
1184
		(void)printf("%-11s %*d %8d %8d %5.0f%%\n",
1185
		    "Total", hlen, avail / bdiv, used / bdiv, nfree / bdiv,
1186
		    (double)used / (double)avail * 100.0);
1187
	}
1188
}
1189
1190
static void __dead
1191
usage(void)
1192
{
1193
	(void)fprintf(stderr, "usage: "
1194
	    "pstat [-fknsTtv] [-M core] [-N system] [-d format symbol ...]\n");
1195
	exit(1);
1196
}