pstat.c revision 85339
1/*- 2 * Copyright (c) 1980, 1991, 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 34#ifndef lint 35static const char copyright[] = 36"@(#) Copyright (c) 1980, 1991, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38#endif /* not lint */ 39 40#ifndef lint 41#if 0 42static char sccsid[] = "@(#)pstat.c 8.16 (Berkeley) 5/9/95"; 43#endif 44static const char rcsid[] = 45 "$FreeBSD: head/usr.sbin/pstat/pstat.c 85339 2001-10-23 01:21:29Z dillon $"; 46#endif /* not lint */ 47 48#include <sys/param.h> 49#include <sys/time.h> 50#include <sys/vnode.h> 51#include <sys/ucred.h> 52#define _KERNEL 53#include <sys/file.h> 54#include <ufs/ufs/quota.h> 55#include <ufs/ufs/inode.h> 56#include <sys/mount.h> 57#include <sys/uio.h> 58#include <sys/namei.h> 59#include <fs/unionfs/union.h> 60#undef _KERNEL 61#include <sys/stat.h> 62#include <nfs/rpcv2.h> 63#include <nfs/nfsproto.h> 64#include <nfsclient/nfs.h> 65#include <nfsclient/nfsnode.h> 66#include <sys/ioctl.h> 67#include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 68#include <sys/tty.h> 69#include <sys/conf.h> 70#include <sys/blist.h> 71 72#include <sys/user.h> 73#include <sys/sysctl.h> 74 75#include <err.h> 76#include <fcntl.h> 77#include <kvm.h> 78#include <limits.h> 79#include <nlist.h> 80#include <stdio.h> 81#include <stdlib.h> 82#include <string.h> 83#include <unistd.h> 84 85struct nlist nl[] = { 86#define NLMANDATORYBEG 0 87#define V_MOUNTLIST 0 88 { "_mountlist" }, /* address of head of mount list. */ 89#define V_NUMV 1 90 { "_numvnodes" }, 91#define FNL_NFILE 2 92 {"_nfiles"}, 93#define FNL_MAXFILE 3 94 {"_maxfiles"}, 95#define NLMANDATORYEND FNL_MAXFILE /* names up to here are mandatory */ 96#define SCONS NLMANDATORYEND + 1 97 { "_cons" }, 98#define SPTY NLMANDATORYEND + 2 99 { "_pt_tty" }, 100#define SNPTY NLMANDATORYEND + 3 101 { "_npty" }, 102 103 104 105#ifdef __FreeBSD__ 106#define SCCONS (SNPTY+1) 107 { "_sccons" }, 108#define NSCCONS (SNPTY+2) 109 { "_nsccons" }, 110#define SIO (SNPTY+3) 111 { "_sio_tty" }, 112#define NSIO (SNPTY+4) 113 { "_nsio_tty" }, 114#define RC (SNPTY+5) 115 { "_rc_tty" }, 116#define NRC (SNPTY+6) 117 { "_nrc_tty" }, 118#define CY (SNPTY+7) 119 { "_cy_tty" }, 120#define NCY (SNPTY+8) 121 { "_ncy_tty" }, 122#define SI (SNPTY+9) 123 { "_si_tty" }, 124#define NSI (SNPTY+10) 125 { "_si_Nports" }, 126#endif 127 { "" } 128}; 129 130int usenumflag; 131int totalflag; 132int swapflag; 133char *nlistf = NULL; 134char *memf = NULL; 135kvm_t *kd; 136 137char *usagestr; 138 139struct { 140 int m_flag; 141 const char *m_name; 142} mnt_flags[] = { 143 { MNT_RDONLY, "rdonly" }, 144 { MNT_SYNCHRONOUS, "sync" }, 145 { MNT_NOEXEC, "noexec" }, 146 { MNT_NOSUID, "nosuid" }, 147 { MNT_NODEV, "nodev" }, 148 { MNT_UNION, "union" }, 149 { MNT_ASYNC, "async" }, 150 { MNT_SUIDDIR, "suiddir" }, 151 { MNT_SOFTDEP, "softdep" }, 152 { MNT_NOSYMFOLLOW, "nosymfollow" }, 153 { MNT_NOATIME, "noatime" }, 154 { MNT_NOCLUSTERR, "noclusterread" }, 155 { MNT_NOCLUSTERW, "noclusterwrite" }, 156 { MNT_EXRDONLY, "exrdonly" }, 157 { MNT_EXPORTED, "exported" }, 158 { MNT_DEFEXPORTED, "defexported" }, 159 { MNT_EXPORTANON, "exportanon" }, 160 { MNT_EXKERB, "exkerb" }, 161 { MNT_EXPUBLIC, "public" }, 162 { MNT_LOCAL, "local" }, 163 { MNT_QUOTA, "quota" }, 164 { MNT_ROOTFS, "rootfs" }, 165 { MNT_USER, "user" }, 166 { MNT_IGNORE, "ignore" }, 167 { MNT_UPDATE, "update" }, 168 { MNT_DELEXPORT, "delexport" }, 169 { MNT_RELOAD, "reload" }, 170 { MNT_FORCE, "force" }, 171 { MNT_SNAPSHOT, "snapshot" }, 172 { 0 } 173}; 174 175 176#define SVAR(var) __STRING(var) /* to force expansion */ 177#define KGET(idx, var) \ 178 KGET1(idx, &var, sizeof(var), SVAR(var)) 179#define KGET1(idx, p, s, msg) \ 180 KGET2(nl[idx].n_value, p, s, msg) 181#define KGET2(addr, p, s, msg) \ 182 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 183 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 184#define KGETN(idx, var) \ 185 KGET1N(idx, &var, sizeof(var), SVAR(var)) 186#define KGET1N(idx, p, s, msg) \ 187 KGET2N(nl[idx].n_value, p, s, msg) 188#define KGET2N(addr, p, s, msg) \ 189 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 190#define KGETRET(addr, p, s, msg) \ 191 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 192 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 193 return (0); \ 194 } 195 196void filemode __P((void)); 197int getfiles __P((char **, int *)); 198struct mount * 199 getmnt __P((struct mount *)); 200struct e_vnode * 201 kinfo_vnodes __P((int *)); 202struct e_vnode * 203 loadvnodes __P((int *)); 204void mount_print __P((struct mount *)); 205void nfs_header __P((void)); 206int nfs_print __P((struct vnode *)); 207void swapmode __P((void)); 208void ttymode __P((void)); 209void ttyprt __P((struct tty *, int)); 210void ttytype __P((struct tty *, char *, int, int, int)); 211void ufs_header __P((void)); 212int ufs_print __P((struct vnode *)); 213void union_header __P((void)); 214int union_print __P((struct vnode *)); 215static void usage __P((void)); 216void vnode_header __P((void)); 217void vnode_print __P((struct vnode *, struct vnode *)); 218void vnodemode __P((void)); 219 220int 221main(argc, argv) 222 int argc; 223 char *argv[]; 224{ 225 int ch, i, quit, ret; 226 int fileflag, ttyflag, vnodeflag; 227 char buf[_POSIX2_LINE_MAX],*opts; 228 229 fileflag = swapflag = ttyflag = vnodeflag = 0; 230 231 /* We will behave like good old swapinfo if thus invoked */ 232 opts = strrchr(argv[0],'/'); 233 if (opts) 234 opts++; 235 else 236 opts = argv[0]; 237 if (!strcmp(opts,"swapinfo")) { 238 swapflag = 1; 239 opts = "kM:N:"; 240 usagestr = "swapinfo [-k] [-M core] [-N system]"; 241 } else { 242 opts = "TM:N:fiknstv"; 243 usagestr = "pstat [-Tfknstv] [-M core] [-N system]"; 244 } 245 246 while ((ch = getopt(argc, argv, opts)) != -1) 247 switch (ch) { 248 case 'f': 249 fileflag = 1; 250 break; 251 case 'k': 252 putenv("BLOCKSIZE=1K"); 253 break; 254 case 'M': 255 memf = optarg; 256 break; 257 case 'N': 258 nlistf = optarg; 259 break; 260 case 'n': 261 usenumflag = 1; 262 break; 263 case 's': 264 ++swapflag; 265 break; 266 case 'T': 267 totalflag = 1; 268 break; 269 case 't': 270 ttyflag = 1; 271 break; 272 case 'v': 273 case 'i': /* Backward compatibility. */ 274 errx(1, "vnode mode not supported"); 275#if 0 276 vnodeflag = 1; 277 break; 278#endif 279 default: 280 usage(); 281 } 282 argc -= optind; 283 argv += optind; 284 285 /* 286 * Discard setgid privileges if not the running kernel so that bad 287 * guys can't print interesting stuff from kernel memory. 288 */ 289 if (nlistf != NULL || memf != NULL) 290 (void)setgid(getgid()); 291 292 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 293 errx(1, "kvm_openfiles: %s", buf); 294 (void)setgid(getgid()); 295 if ((ret = kvm_nlist(kd, nl)) != 0) { 296 if (ret == -1) 297 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 298 for (i = NLMANDATORYBEG, quit = 0; i <= NLMANDATORYEND; i++) 299 if (!nl[i].n_value) { 300 quit = 1; 301 warnx("undefined symbol: %s", nl[i].n_name); 302 } 303 if (quit) 304 exit(1); 305 } 306 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 307 usage(); 308 if (fileflag || totalflag) 309 filemode(); 310 if (vnodeflag) 311 vnodemode(); 312 if (ttyflag) 313 ttymode(); 314 if (swapflag || totalflag) 315 swapmode(); 316 exit (0); 317} 318 319static void 320usage() 321{ 322 fprintf(stderr, "usage: %s\n", usagestr); 323 exit (1); 324} 325 326struct e_vnode { 327 struct vnode *avnode; 328 struct vnode vnode; 329}; 330 331void 332vnodemode() 333{ 334 struct e_vnode *e_vnodebase, *endvnode, *evp; 335 struct vnode *vp; 336 struct mount *maddr, *mp; 337 int numvnodes; 338 339 e_vnodebase = loadvnodes(&numvnodes); 340 if (totalflag) { 341 (void)printf("%7d vnodes\n", numvnodes); 342 return; 343 } 344 endvnode = e_vnodebase + numvnodes; 345 (void)printf("%d active vnodes\n", numvnodes); 346 347 348#define ST mp->mnt_stat 349 maddr = NULL; 350 for (evp = e_vnodebase; evp < endvnode; evp++) { 351 vp = &evp->vnode; 352 if (vp->v_mount != maddr) { 353 /* 354 * New filesystem 355 */ 356 if ((mp = getmnt(vp->v_mount)) == NULL) 357 continue; 358 maddr = vp->v_mount; 359 mount_print(mp); 360 vnode_header(); 361 if (!strcmp(ST.f_fstypename, "ufs")) 362 ufs_header(); 363 else if (!strcmp(ST.f_fstypename, "nfs")) 364 nfs_header(); 365 else if (!strcmp(ST.f_fstypename, "union")) 366 union_header(); 367 (void)printf("\n"); 368 } 369 vnode_print(evp->avnode, vp); 370 if (!strcmp(ST.f_fstypename, "ufs")) 371 ufs_print(vp); 372 else if (!strcmp(ST.f_fstypename, "nfs")) 373 nfs_print(vp); 374 else if (!strcmp(ST.f_fstypename, "union")) 375 union_print(vp); 376 (void)printf("\n"); 377 } 378 free(e_vnodebase); 379} 380 381void 382vnode_header() 383{ 384 (void)printf("ADDR TYP VFLAG USE HOLD"); 385} 386 387void 388vnode_print(avnode, vp) 389 struct vnode *avnode; 390 struct vnode *vp; 391{ 392 char *type, flags[16]; 393 char *fp = flags; 394 int flag; 395 396 /* 397 * set type 398 */ 399 switch (vp->v_type) { 400 case VNON: 401 type = "non"; break; 402 case VREG: 403 type = "reg"; break; 404 case VDIR: 405 type = "dir"; break; 406 case VBLK: 407 type = "blk"; break; 408 case VCHR: 409 type = "chr"; break; 410 case VLNK: 411 type = "lnk"; break; 412 case VSOCK: 413 type = "soc"; break; 414 case VFIFO: 415 type = "fif"; break; 416 case VBAD: 417 type = "bad"; break; 418 default: 419 type = "unk"; break; 420 } 421 /* 422 * gather flags 423 */ 424 flag = vp->v_flag; 425 if (flag & VROOT) 426 *fp++ = 'R'; 427 if (flag & VTEXT) 428 *fp++ = 'T'; 429 if (flag & VSYSTEM) 430 *fp++ = 'S'; 431 if (flag & VISTTY) 432 *fp++ = 't'; 433 if (flag & VXLOCK) 434 *fp++ = 'L'; 435 if (flag & VXWANT) 436 *fp++ = 'W'; 437 if (flag & VBWAIT) 438 *fp++ = 'B'; 439 if (flag & VOBJBUF) 440 *fp++ = 'V'; 441 if (flag & VCOPYONWRITE) 442 *fp++ = 'C'; 443 if (flag & VAGE) 444 *fp++ = 'a'; 445 if (flag & VOLOCK) 446 *fp++ = 'l'; 447 if (flag & VOWANT) 448 *fp++ = 'w'; 449 if (flag & VDOOMED) 450 *fp++ = 'D'; 451 if (flag & VFREE) 452 *fp++ = 'F'; 453 if (flag & VONWORKLST) 454 *fp++ = 'O'; 455 if (flag & VMOUNT) 456 *fp++ = 'M'; 457 458 if (flag == 0) 459 *fp++ = '-'; 460 *fp = '\0'; 461 (void)printf("%8lx %s %5s %4d %4d", 462 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 463} 464 465void 466ufs_header() 467{ 468 (void)printf(" FILEID IFLAG RDEV|SZ"); 469} 470 471int 472ufs_print(vp) 473 struct vnode *vp; 474{ 475 int flag; 476 struct inode inode, *ip = &inode; 477 char flagbuf[16], *flags = flagbuf; 478 char *name; 479 mode_t type; 480 481 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 482 flag = ip->i_flag; 483 if (flag & IN_ACCESS) 484 *flags++ = 'A'; 485 if (flag & IN_CHANGE) 486 *flags++ = 'C'; 487 if (flag & IN_UPDATE) 488 *flags++ = 'U'; 489 if (flag & IN_MODIFIED) 490 *flags++ = 'M'; 491 if (flag & IN_RENAME) 492 *flags++ = 'R'; 493 if (flag & IN_HASHED) 494 *flags++ = 'H'; 495 if (flag & IN_LAZYMOD) 496 *flags++ = 'L'; 497 if (flag == 0) 498 *flags++ = '-'; 499 *flags = '\0'; 500 501 (void)printf(" %6d %5s", ip->i_number, flagbuf); 502 type = ip->i_mode & S_IFMT; 503 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 504 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 505 (void)printf(" %2d,%-2d", 506 major(ip->i_rdev), minor(ip->i_rdev)); 507 else 508 (void)printf(" %7s", name); 509 else 510 (void)printf(" %7qd", ip->i_size); 511 return (0); 512} 513 514void 515nfs_header() 516{ 517 (void)printf(" FILEID NFLAG RDEV|SZ"); 518} 519 520int 521nfs_print(vp) 522 struct vnode *vp; 523{ 524 struct nfsnode nfsnode, *np = &nfsnode; 525 char flagbuf[16], *flags = flagbuf; 526 int flag; 527 char *name; 528 mode_t type; 529 530 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 531 flag = np->n_flag; 532 if (flag & NFLUSHWANT) 533 *flags++ = 'W'; 534 if (flag & NFLUSHINPROG) 535 *flags++ = 'P'; 536 if (flag & NMODIFIED) 537 *flags++ = 'M'; 538 if (flag & NWRITEERR) 539 *flags++ = 'E'; 540 if (flag & NACC) 541 *flags++ = 'A'; 542 if (flag & NUPD) 543 *flags++ = 'U'; 544 if (flag & NCHG) 545 *flags++ = 'C'; 546 if (flag & NLOCKED) 547 *flags++ = 'L'; 548 if (flag & NWANTED) 549 *flags++ = 'w'; 550 if (flag == 0) 551 *flags++ = '-'; 552 *flags = '\0'; 553 554#define VT np->n_vattr 555 (void)printf(" %6ld %5s", VT.va_fileid, flagbuf); 556 type = VT.va_mode & S_IFMT; 557 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 558 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 559 (void)printf(" %2d,%-2d", 560 major(VT.va_rdev), minor(VT.va_rdev)); 561 else 562 (void)printf(" %7s", name); 563 else 564 (void)printf(" %7qd", np->n_size); 565 return (0); 566} 567 568void 569union_header() 570{ 571 (void)printf(" UPPER LOWER"); 572} 573 574int 575union_print(vp) 576 struct vnode *vp; 577{ 578 struct union_node unode, *up = &unode; 579 580 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 581 582 (void)printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 583 (u_long)(void *)up->un_lowervp); 584 return (0); 585} 586 587/* 588 * Given a pointer to a mount structure in kernel space, 589 * read it in and return a usable pointer to it. 590 */ 591struct mount * 592getmnt(maddr) 593 struct mount *maddr; 594{ 595 static struct mtab { 596 struct mtab *next; 597 struct mount *maddr; 598 struct mount mount; 599 } *mhead = NULL; 600 struct mtab *mt; 601 602 for (mt = mhead; mt != NULL; mt = mt->next) 603 if (maddr == mt->maddr) 604 return (&mt->mount); 605 if ((mt = malloc(sizeof(struct mtab))) == NULL) 606 errx(1, "malloc"); 607 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 608 mt->maddr = maddr; 609 mt->next = mhead; 610 mhead = mt; 611 return (&mt->mount); 612} 613 614void 615mount_print(mp) 616 struct mount *mp; 617{ 618 int flags; 619 620#define ST mp->mnt_stat 621 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 622 ST.f_mntfromname, ST.f_mntonname); 623 if ((flags = mp->mnt_flag)) { 624 int i; 625 const char *sep = " ("; 626 627 for (i = 0; mnt_flags[i].m_flag; i++) { 628 if (flags & mnt_flags[i].m_flag) { 629 (void)printf("%s%s", sep, mnt_flags[i].m_name); 630 flags &= ~mnt_flags[i].m_flag; 631 sep = ","; 632 } 633 } 634 if (flags) 635 (void)printf("%sunknown_flags:%x", sep, flags); 636 (void)printf(")"); 637 } 638 (void)printf("\n"); 639#undef ST 640} 641 642struct e_vnode * 643loadvnodes(avnodes) 644 int *avnodes; 645{ 646 int mib[2]; 647 size_t copysize; 648 struct e_vnode *vnodebase; 649 650 if (memf != NULL) { 651 /* 652 * do it by hand 653 */ 654 return (kinfo_vnodes(avnodes)); 655 } 656 mib[0] = CTL_KERN; 657 mib[1] = KERN_VNODE; 658 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 659 err(1, "sysctl: KERN_VNODE"); 660 if ((vnodebase = malloc(copysize)) == NULL) 661 errx(1, "malloc"); 662 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 663 err(1, "sysctl: KERN_VNODE"); 664 if (copysize % sizeof(struct e_vnode)) 665 errx(1, "vnode size mismatch"); 666 *avnodes = copysize / sizeof(struct e_vnode); 667 668 return (vnodebase); 669} 670 671/* 672 * simulate what a running kernel does in in kinfo_vnode 673 */ 674struct e_vnode * 675kinfo_vnodes(avnodes) 676 int *avnodes; 677{ 678 struct mntlist mountlist; 679 struct mount *mp, mount, *mp_next; 680 struct vnode *vp, vnode, *vp_next; 681 char *vbuf, *evbuf, *bp; 682 int num, numvnodes; 683 684#define VPTRSZ sizeof(struct vnode *) 685#define VNODESZ sizeof(struct vnode) 686 687 KGET(V_NUMV, numvnodes); 688 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 689 errx(1, "malloc"); 690 bp = vbuf; 691 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 692 KGET(V_MOUNTLIST, mountlist); 693 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 694 KGET2(mp, &mount, sizeof(mount), "mount entry"); 695 mp_next = TAILQ_NEXT(&mount, mnt_list); 696 for (vp = TAILQ_FIRST(&mount.mnt_nvnodelist); 697 vp != NULL; vp = vp_next) { 698 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 699 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 700 if ((bp + VPTRSZ + VNODESZ) > evbuf) 701 /* XXX - should realloc */ 702 errx(1, "no more room for vnodes"); 703 memmove(bp, &vp, VPTRSZ); 704 bp += VPTRSZ; 705 memmove(bp, &vnode, VNODESZ); 706 bp += VNODESZ; 707 num++; 708 } 709 if (mp == TAILQ_LAST(&mountlist, mntlist)) 710 break; 711 } 712 *avnodes = num; 713 return ((struct e_vnode *)vbuf); 714} 715 716const char hdr[] = 717" LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 718int ttyspace = 128; 719 720void 721ttymode() 722{ 723 struct tty *tty; 724 struct tty ttyb[1000]; 725 int error; 726 size_t len, i; 727 728 (void)printf("%s", hdr); 729 len = sizeof(ttyb); 730 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 731 if (!error) { 732 len /= sizeof(ttyb[0]); 733 for (i = 0; i < len; i++) { 734 ttyprt(&ttyb[i], 0); 735 } 736 } 737 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 738 errx(1, "malloc"); 739 if (nl[SCONS].n_type != 0) { 740 (void)printf("1 console\n"); 741 KGET(SCONS, *tty); 742 ttyprt(&tty[0], 0); 743 } 744#ifdef __FreeBSD__ 745 if (nl[NSCCONS].n_type != 0) 746 ttytype(tty, "vty", SCCONS, NSCCONS, 0); 747 if (nl[NSIO].n_type != 0) 748 ttytype(tty, "sio", SIO, NSIO, 0); 749 if (nl[NRC].n_type != 0) 750 ttytype(tty, "rc", RC, NRC, 0); 751 if (nl[NCY].n_type != 0) 752 ttytype(tty, "cy", CY, NCY, 0); 753 if (nl[NSI].n_type != 0) 754 ttytype(tty, "si", SI, NSI, 1); 755#endif 756 if (nl[SNPTY].n_type != 0) 757 ttytype(tty, "pty", SPTY, SNPTY, 0); 758} 759 760void 761ttytype(tty, name, type, number, indir) 762 struct tty *tty; 763 char *name; 764 int type, number, indir; 765{ 766 struct tty *tp; 767 int ntty; 768 struct tty **ttyaddr; 769 770 if (tty == NULL) 771 return; 772 KGET(number, ntty); 773 (void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 774 if (ntty > ttyspace) { 775 ttyspace = ntty; 776 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 777 errx(1, "realloc"); 778 } 779 if (indir) { 780 KGET(type, ttyaddr); 781 KGET2(ttyaddr, tty, ntty * sizeof(struct tty), "tty structs"); 782 } else { 783 KGET1(type, tty, ntty * sizeof(struct tty), "tty structs"); 784 } 785 (void)printf("%s", hdr); 786 for (tp = tty; tp < &tty[ntty]; tp++) 787 ttyprt(tp, tp - tty); 788} 789 790struct { 791 int flag; 792 char val; 793} ttystates[] = { 794#ifdef TS_WOPEN 795 { TS_WOPEN, 'W'}, 796#endif 797 { TS_ISOPEN, 'O'}, 798 { TS_CARR_ON, 'C'}, 799#ifdef TS_CONNECTED 800 { TS_CONNECTED, 'c'}, 801#endif 802 { TS_TIMEOUT, 'T'}, 803 { TS_FLUSH, 'F'}, 804 { TS_BUSY, 'B'}, 805#ifdef TS_ASLEEP 806 { TS_ASLEEP, 'A'}, 807#endif 808#ifdef TS_SO_OLOWAT 809 { TS_SO_OLOWAT, 'A'}, 810#endif 811#ifdef TS_SO_OCOMPLETE 812 { TS_SO_OCOMPLETE, 'a'}, 813#endif 814 { TS_XCLUDE, 'X'}, 815 { TS_TTSTOP, 'S'}, 816#ifdef TS_CAR_OFLOW 817 { TS_CAR_OFLOW, 'm'}, 818#endif 819#ifdef TS_CTS_OFLOW 820 { TS_CTS_OFLOW, 'o'}, 821#endif 822#ifdef TS_DSR_OFLOW 823 { TS_DSR_OFLOW, 'd'}, 824#endif 825 { TS_TBLOCK, 'K'}, 826 { TS_ASYNC, 'Y'}, 827 { TS_BKSL, 'D'}, 828 { TS_ERASE, 'E'}, 829 { TS_LNCH, 'L'}, 830 { TS_TYPEN, 'P'}, 831 { TS_CNTTB, 'N'}, 832#ifdef TS_CAN_BYPASS_L_RINT 833 { TS_CAN_BYPASS_L_RINT, 'l'}, 834#endif 835#ifdef TS_SNOOP 836 { TS_SNOOP, 's'}, 837#endif 838#ifdef TS_ZOMBIE 839 { TS_ZOMBIE, 'Z'}, 840#endif 841 { 0, '\0'}, 842}; 843 844void 845ttyprt(tp, line) 846 struct tty *tp; 847 int line; 848{ 849 int i, j; 850 pid_t pgid; 851 char *name, state[20]; 852 853 if (usenumflag || tp->t_dev == 0 || 854 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 855 (void)printf(" %2d,%-2d", major(tp->t_dev), minor(tp->t_dev)); 856 else 857 (void)printf("%7s ", name); 858 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 859 (void)printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 860 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 861 tp->t_column); 862 for (i = j = 0; ttystates[i].flag; i++) 863 if (tp->t_state&ttystates[i].flag) 864 state[j++] = ttystates[i].val; 865 if (j == 0) 866 state[j++] = '-'; 867 state[j] = '\0'; 868 (void)printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 869 pgid = 0; 870 if (tp->t_pgrp != NULL) 871 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 872 (void)printf("%6d ", pgid); 873 switch (tp->t_line) { 874 case TTYDISC: 875 (void)printf("term\n"); 876 break; 877 case NTTYDISC: 878 (void)printf("ntty\n"); 879 break; 880 case SLIPDISC: 881 (void)printf("slip\n"); 882 break; 883 case PPPDISC: 884 (void)printf("ppp\n"); 885 break; 886 default: 887 (void)printf("%d\n", tp->t_line); 888 break; 889 } 890} 891 892void 893filemode() 894{ 895 struct file *fp; 896 struct file *addr; 897 char *buf, flagbuf[16], *fbp; 898 int len, maxfile, nfile; 899 static char *dtypes[] = { "???", "inode", "socket" }; 900 901 KGET(FNL_MAXFILE, maxfile); 902 if (totalflag) { 903 KGET(FNL_NFILE, nfile); 904 (void)printf("%3d/%3d files\n", nfile, maxfile); 905 return; 906 } 907 if (getfiles(&buf, &len) == -1) 908 return; 909 /* 910 * Getfiles returns in malloc'd memory a pointer to the first file 911 * structure, and then an array of file structs (whose addresses are 912 * derivable from the previous entry). 913 */ 914 addr = LIST_FIRST((struct filelist *)buf); 915 fp = (struct file *)(buf + sizeof(struct filelist)); 916 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 917 918 (void)printf("%d/%d open files\n", nfile, maxfile); 919 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 920 for (; (char *)fp < buf + len; addr = LIST_NEXT(fp, f_list), fp++) { 921 if ((unsigned)fp->f_type > DTYPE_SOCKET) 922 continue; 923 (void)printf("%8lx ", (u_long)(void *)addr); 924 (void)printf("%-8.8s", dtypes[fp->f_type]); 925 fbp = flagbuf; 926 if (fp->f_flag & FREAD) 927 *fbp++ = 'R'; 928 if (fp->f_flag & FWRITE) 929 *fbp++ = 'W'; 930 if (fp->f_flag & FAPPEND) 931 *fbp++ = 'A'; 932 if (fp->f_flag & FASYNC) 933 *fbp++ = 'I'; 934 *fbp = '\0'; 935 (void)printf("%6s %3d", flagbuf, fp->f_count); 936 (void)printf(" %3d", fp->f_msgcount); 937 (void)printf(" %8lx", (u_long)(void *)fp->f_data); 938 if (fp->f_offset < 0) 939 (void)printf(" %qx\n", fp->f_offset); 940 else 941 (void)printf(" %qd\n", fp->f_offset); 942 } 943 free(buf); 944} 945 946int 947getfiles(abuf, alen) 948 char **abuf; 949 int *alen; 950{ 951 size_t len; 952 int mib[2]; 953 char *buf; 954 955 /* 956 * XXX 957 * Add emulation of KINFO_FILE here. 958 */ 959 if (memf != NULL) 960 errx(1, "files on dead kernel, not implemented"); 961 962 mib[0] = CTL_KERN; 963 mib[1] = KERN_FILE; 964 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 965 warn("sysctl: KERN_FILE"); 966 return (-1); 967 } 968 if ((buf = malloc(len)) == NULL) 969 errx(1, "malloc"); 970 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 971 warn("sysctl: KERN_FILE"); 972 return (-1); 973 } 974 *abuf = buf; 975 *alen = len; 976 return (0); 977} 978 979/* 980 * swapmode is based on a program called swapinfo written 981 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 982 */ 983void 984swapmode(void) 985{ 986 struct kvm_swap kswap[16]; 987 int i; 988 int n; 989 int pagesize = getpagesize(); 990 const char *header; 991 int hlen; 992 long blocksize; 993 994 n = kvm_getswapinfo( 995 kd, 996 kswap, 997 sizeof(kswap)/sizeof(kswap[0]), 998 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 999 ); 1000 1001#define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 1002 1003 header = getbsize(&hlen, &blocksize); 1004 if (totalflag == 0) { 1005 (void)printf("%-15s %*s %8s %8s %8s %s\n", 1006 "Device", hlen, header, 1007 "Used", "Avail", "Capacity", "Type"); 1008 1009 for (i = 0; i < n; ++i) { 1010 (void)printf( 1011 "%-15s %*d ", 1012 kswap[i].ksw_devname, 1013 hlen, 1014 CONVERT(kswap[i].ksw_total) 1015 ); 1016 (void)printf( 1017 "%8d %8d %5.0f%% %s\n", 1018 CONVERT(kswap[i].ksw_used), 1019 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 1020 (double)kswap[i].ksw_used * 100.0 / 1021 (double)kswap[i].ksw_total, 1022 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 1023 "Sequential" : "Interleaved" 1024 ); 1025 } 1026 } 1027 1028 if (totalflag) { 1029 blocksize = 1024 * 1024; 1030 1031 (void)printf( 1032 "%dM/%dM swap space\n", 1033 CONVERT(kswap[n].ksw_used), 1034 CONVERT(kswap[n].ksw_total) 1035 ); 1036 } else if (n > 1) { 1037 (void)printf( 1038 "%-15s %*d %8d %8d %5.0f%%\n", 1039 "Total", 1040 hlen, 1041 CONVERT(kswap[n].ksw_total), 1042 CONVERT(kswap[n].ksw_used), 1043 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 1044 (double)kswap[n].ksw_used * 100.0 / 1045 (double)kswap[n].ksw_total 1046 ); 1047 } 1048} 1049