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 * @(#) Copyright (c) 1980, 1991, 1993, 1994 The Regents of the University of California. All rights reserved. 34 * @(#)pstat.c 8.16 (Berkeley) 5/9/95 35 * $FreeBSD: src/usr.sbin/pstat/pstat.c,v 1.49.2.5 2002/07/12 09:12:49 des Exp $ 36 * $DragonFly: src/usr.sbin/pstat/pstat.c,v 1.22 2008/03/04 18:10:44 swildner Exp $ 37 */ 38 39 #define _KERNEL_STRUCTURES 40 41 #include <sys/param.h> 42 #include <sys/time.h> 43 #include <sys/vnode.h> 44 #include <sys/ucred.h> 45 #include <sys/file.h> 46 #include <vfs/ufs/quota.h> 47 #include <vfs/ufs/inode.h> 48 #include <sys/mount.h> 49 #include <sys/uio.h> 50 #include <sys/namei.h> 51 #include <vfs/union/union.h> 52 #include <sys/stat.h> 53 #include <nfs/rpcv2.h> 54 #include <nfs/nfsproto.h> 55 #include <nfs/nfs.h> 56 #include <nfs/nfsnode.h> 57 #include <sys/ioctl.h> 58 #include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 59 #include <sys/tty.h> 60 #include <sys/conf.h> 61 #include <sys/blist.h> 62 63 #include <sys/kinfo.h> 64 #include <sys/user.h> 65 #include <sys/sysctl.h> 66 67 #include <err.h> 68 #include <fcntl.h> 69 #include <kvm.h> 70 #include <limits.h> 71 #include <nlist.h> 72 #include <stdio.h> 73 #include <stdlib.h> 74 #include <string.h> 75 #include <unistd.h> 76 77 #ifdef USE_KCORE 78 # define KCORE_KINFO_WRAPPER 79 # include <kcore.h> 80 #else 81 # include <kinfo.h> 82 #endif 83 84 enum { 85 NL_MOUNTLIST, 86 NL_NUMVNODES, 87 NL_RC_TTY, 88 NL_NRC_TTY, 89 NL_CY_TTY, 90 NL_NCY_TTY, 91 NL_SI_TTY, 92 NL_SI_NPORTS, 93 }; 94 95 const size_t NL_LAST_MANDATORY = NL_NUMVNODES; 96 97 struct nlist nl[] = { 98 { "_mountlist", 0, 0, 0, 0 }, /* address of head of mount list. */ 99 { "_numvnodes", 0, 0, 0, 0 }, 100 { "_rc_tty", 0, 0, 0, 0 }, 101 { "_nrc_tty", 0, 0, 0, 0 }, 102 { "_cy_tty", 0, 0, 0, 0 }, 103 { "_ncy_tty", 0, 0, 0, 0 }, 104 { "_si__tty", 0, 0, 0, 0 }, 105 { "_si_Nports", 0, 0, 0, 0 }, 106 { "", 0, 0, 0, 0 } 107 }; 108 109 int usenumflag; 110 int totalflag; 111 int swapflag; 112 char *nlistf = NULL; 113 char *memf = NULL; 114 kvm_t *kd; 115 116 const char *usagestr; 117 118 struct { 119 int m_flag; 120 const char *m_name; 121 } mnt_flags[] = { 122 { MNT_RDONLY, "rdonly" }, 123 { MNT_SYNCHRONOUS, "sync" }, 124 { MNT_NOEXEC, "noexec" }, 125 { MNT_NOSUID, "nosuid" }, 126 { MNT_NODEV, "nodev" }, 127 { MNT_UNION, "union" }, 128 { MNT_ASYNC, "async" }, 129 { MNT_SUIDDIR, "suiddir" }, 130 { MNT_SOFTDEP, "softdep" }, 131 { MNT_NOSYMFOLLOW, "nosymfollow" }, 132 { MNT_NOATIME, "noatime" }, 133 { MNT_NOCLUSTERR, "noclusterread" }, 134 { MNT_NOCLUSTERW, "noclusterwrite" }, 135 { MNT_EXRDONLY, "exrdonly" }, 136 { MNT_EXPORTED, "exported" }, 137 { MNT_DEFEXPORTED, "defexported" }, 138 { MNT_EXPORTANON, "exportanon" }, 139 { MNT_EXKERB, "exkerb" }, 140 { MNT_EXPUBLIC, "public" }, 141 { MNT_LOCAL, "local" }, 142 { MNT_QUOTA, "quota" }, 143 { MNT_ROOTFS, "rootfs" }, 144 { MNT_USER, "user" }, 145 { MNT_IGNORE, "ignore" }, 146 { MNT_UPDATE, "update" }, 147 { MNT_DELEXPORT, "delexport" }, 148 { MNT_RELOAD, "reload" }, 149 { MNT_FORCE, "force" }, 150 { 0, NULL } 151 }; 152 153 154 #define SVAR(var) __STRING(var) /* to force expansion */ 155 #define KGET(idx, var) \ 156 KGET1(idx, &var, sizeof(var), SVAR(var)) 157 #define KGET1(idx, p, s, msg) \ 158 KGET2(nl[idx].n_value, p, s, msg) 159 #define KGET2(addr, p, s, msg) \ 160 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 161 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 162 #define KGETN(idx, var) \ 163 KGET1N(idx, &var, sizeof(var), SVAR(var)) 164 #define KGET1N(idx, p, s, msg) \ 165 KGET2N(nl[idx].n_value, p, s, msg) 166 #define KGET2N(addr, p, s, msg) \ 167 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 168 #define KGETRET(addr, p, s, msg) \ 169 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 170 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 171 return (0); \ 172 } 173 174 void filemode(void); 175 int getfiles(char **, int *); 176 struct mount * 177 getmnt(struct mount *); 178 struct e_vnode * 179 kinfo_vnodes(int *); 180 struct e_vnode * 181 loadvnodes(int *); 182 void mount_print(struct mount *); 183 void nfs_header(void); 184 int nfs_print(struct vnode *); 185 void swapmode(void); 186 void ttymode(void); 187 void ttyprt(struct tty *, int); 188 void ttytype(struct tty *, const char *, int, int, int); 189 void ufs_header(void); 190 int ufs_print(struct vnode *); 191 void union_header(void); 192 int union_print(struct vnode *); 193 static void usage(void); 194 void vnode_header(void); 195 void vnode_print(struct vnode *, struct vnode *); 196 void vnodemode(void); 197 198 int 199 main(int argc, char **argv) 200 { 201 int ch, ret; 202 int fileflag, ttyflag, vnodeflag; 203 char buf[_POSIX2_LINE_MAX]; 204 const char *opts; 205 206 fileflag = swapflag = ttyflag = vnodeflag = 0; 207 208 /* We will behave like good old swapinfo if thus invoked */ 209 opts = strrchr(argv[0],'/'); 210 if (opts) 211 opts++; 212 else 213 opts = argv[0]; 214 if (!strcmp(opts,"swapinfo")) { 215 swapflag = 1; 216 opts = "kM:N:"; 217 usagestr = "swapinfo [-k] [-M core] [-N system]"; 218 } else { 219 opts = "TM:N:fiknstv"; 220 usagestr = "pstat [-Tfknst] [-M core] [-N system]"; 221 } 222 223 while ((ch = getopt(argc, argv, opts)) != -1) 224 switch (ch) { 225 case 'f': 226 fileflag = 1; 227 break; 228 case 'k': 229 if (putenv("BLOCKSIZE=1K") == -1) 230 warn("putenv: cannot set BLOCKSIZE=1K"); 231 break; 232 case 'M': 233 memf = optarg; 234 break; 235 case 'N': 236 nlistf = optarg; 237 break; 238 case 'n': 239 usenumflag = 1; 240 break; 241 case 's': 242 ++swapflag; 243 break; 244 case 'T': 245 totalflag = 1; 246 break; 247 case 't': 248 ttyflag = 1; 249 break; 250 case 'v': 251 case 'i': /* Backward compatibility. */ 252 errx(1, "vnode mode not supported"); 253 #if 0 254 vnodeflag = 1; 255 break; 256 #endif 257 default: 258 usage(); 259 } 260 argc -= optind; 261 argv += optind; 262 263 /* 264 * Discard setgid privileges if not the running kernel so that bad 265 * guys can't print interesting stuff from kernel memory. 266 */ 267 if (nlistf != NULL || memf != NULL) 268 setgid(getgid()); 269 270 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 271 errx(1, "kvm_openfiles: %s", buf); 272 #ifdef USE_KCORE 273 if (kcore_wrapper_open(nlistf, memf, buf)) 274 errx(1, "kcore_open: %s", buf); 275 #endif 276 if ((ret = kvm_nlist(kd, nl)) != 0) { 277 size_t i; 278 int quit = 0; 279 280 if (ret == -1) 281 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 282 for (i = 0; i < NL_LAST_MANDATORY; i++) { 283 if (!nl[i].n_value) { 284 quit = 1; 285 warnx("undefined symbol: %s", nl[i].n_name); 286 } 287 } 288 if (quit) 289 exit(1); 290 } 291 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 292 usage(); 293 if (fileflag || totalflag) 294 filemode(); 295 if (vnodeflag) 296 vnodemode(); 297 if (ttyflag) 298 ttymode(); 299 if (swapflag || totalflag) 300 swapmode(); 301 exit (0); 302 } 303 304 static void 305 usage(void) 306 { 307 fprintf(stderr, "usage: %s\n", usagestr); 308 exit (1); 309 } 310 311 struct e_vnode { 312 struct vnode *avnode; 313 struct vnode vnode; 314 }; 315 316 void 317 vnodemode(void) 318 { 319 struct e_vnode *e_vnodebase, *endvnode, *evp; 320 struct vnode *vp; 321 struct mount *maddr, *mp = NULL; 322 int numvnodes; 323 324 e_vnodebase = loadvnodes(&numvnodes); 325 if (totalflag) { 326 printf("%7d vnodes\n", numvnodes); 327 return; 328 } 329 endvnode = e_vnodebase + numvnodes; 330 printf("%d active vnodes\n", numvnodes); 331 332 333 #define ST mp->mnt_stat 334 maddr = NULL; 335 for (evp = e_vnodebase; evp < endvnode; evp++) { 336 vp = &evp->vnode; 337 if (vp->v_mount != maddr) { 338 /* 339 * New filesystem 340 */ 341 if ((mp = getmnt(vp->v_mount)) == NULL) 342 continue; 343 maddr = vp->v_mount; 344 mount_print(mp); 345 vnode_header(); 346 if (!strcmp(ST.f_fstypename, "ufs") || 347 !strcmp(ST.f_fstypename, "mfs")) 348 ufs_header(); 349 else if (!strcmp(ST.f_fstypename, "nfs")) 350 nfs_header(); 351 else if (!strcmp(ST.f_fstypename, "union")) 352 union_header(); 353 printf("\n"); 354 } 355 vnode_print(evp->avnode, vp); 356 if (!strcmp(ST.f_fstypename, "ufs") || 357 !strcmp(ST.f_fstypename, "mfs")) 358 ufs_print(vp); 359 else if (!strcmp(ST.f_fstypename, "nfs")) 360 nfs_print(vp); 361 else if (!strcmp(ST.f_fstypename, "union")) 362 union_print(vp); 363 printf("\n"); 364 } 365 free(e_vnodebase); 366 } 367 368 void 369 vnode_header(void) 370 { 371 printf("ADDR TYP VFLAG USE HOLD"); 372 } 373 374 void 375 vnode_print(struct vnode *avnode, struct vnode *vp) 376 { 377 const char *type; 378 char flags[32]; 379 char *fp = flags; 380 int flag; 381 int refs; 382 383 /* 384 * set type 385 */ 386 switch (vp->v_type) { 387 case VNON: 388 type = "non"; break; 389 case VREG: 390 type = "reg"; break; 391 case VDIR: 392 type = "dir"; break; 393 case VBLK: 394 type = "blk"; break; 395 case VCHR: 396 type = "chr"; break; 397 case VLNK: 398 type = "lnk"; break; 399 case VSOCK: 400 type = "soc"; break; 401 case VFIFO: 402 type = "fif"; break; 403 case VBAD: 404 type = "bad"; break; 405 default: 406 type = "unk"; break; 407 } 408 /* 409 * gather flags 410 */ 411 flag = vp->v_flag; 412 if (flag & VROOT) 413 *fp++ = 'R'; 414 if (flag & VTEXT) 415 *fp++ = 'T'; 416 if (flag & VSYSTEM) 417 *fp++ = 'S'; 418 if (flag & VISTTY) 419 *fp++ = 't'; 420 #ifdef VXLOCK 421 if (flag & VXLOCK) 422 *fp++ = 'L'; 423 if (flag & VXWANT) 424 *fp++ = 'W'; 425 #endif 426 if (flag & VOBJBUF) 427 *fp++ = 'V'; 428 if (flag & VAGE) 429 *fp++ = 'a'; 430 if (flag & VOLOCK) 431 *fp++ = 'l'; 432 if (flag & VOWANT) 433 *fp++ = 'w'; 434 #ifdef VDOOMED 435 if (flag & VDOOMED) 436 *fp++ = 'D'; 437 #endif 438 if (flag & VFREE) 439 *fp++ = 'F'; 440 if (flag & VONWORKLST) 441 *fp++ = 'O'; 442 if (flag & VMOUNT) 443 *fp++ = 'M'; 444 #ifdef VRECLAIMED 445 if (flag & VINACTIVE) 446 *fp++ = 'I'; 447 if (flag & VRECLAIMED) 448 *fp++ = 'X'; 449 #endif 450 451 if (flag == 0) 452 *fp++ = '-'; 453 *fp = '\0'; 454 455 /* 456 * Convert SYSREF ref counts into something more 457 * human readable for display. 458 */ 459 if ((refs = vp->v_sysref.refcnt) < 0) 460 refs = -(refs + 0x40000001); 461 printf("%8lx %s %5s %4d %4d", 462 (u_long)(void *)avnode, type, flags, refs, vp->v_auxrefs); 463 } 464 465 void 466 ufs_header(void) 467 { 468 printf(" FILEID IFLAG RDEV|SZ"); 469 } 470 471 int 472 ufs_print(struct vnode *vp) 473 { 474 int flag; 475 struct inode inode, *ip = &inode; 476 char flagbuf[16], *flags = flagbuf; 477 char *name; 478 mode_t type; 479 480 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 481 flag = ip->i_flag; 482 if (flag & IN_ACCESS) 483 *flags++ = 'A'; 484 if (flag & IN_CHANGE) 485 *flags++ = 'C'; 486 if (flag & IN_UPDATE) 487 *flags++ = 'U'; 488 if (flag & IN_MODIFIED) 489 *flags++ = 'M'; 490 if (flag & IN_RENAME) 491 *flags++ = 'R'; 492 if (flag & IN_SHLOCK) 493 *flags++ = 'S'; 494 if (flag & IN_EXLOCK) 495 *flags++ = 'E'; 496 if (flag & IN_HASHED) 497 *flags++ = 'H'; 498 if (flag & IN_LAZYMOD) 499 *flags++ = 'L'; 500 if (flag == 0) 501 *flags++ = '-'; 502 *flags = '\0'; 503 504 printf(" %6ju %5s", (uintmax_t)ip->i_number, flagbuf); 505 type = ip->i_mode & S_IFMT; 506 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 507 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 508 printf(" %2d,%-2d", 509 major(ip->i_rdev), minor(ip->i_rdev)); 510 else 511 printf(" %7s", name); 512 else 513 printf(" %7qd", ip->i_size); 514 return (0); 515 } 516 517 void 518 nfs_header(void) 519 { 520 printf(" FILEID NFLAG RDEV|SZ"); 521 } 522 523 int 524 nfs_print(struct vnode *vp) 525 { 526 struct nfsnode nfsnode, *np = &nfsnode; 527 char flagbuf[16], *flags = flagbuf; 528 int flag; 529 char *name; 530 mode_t type; 531 532 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 533 flag = np->n_flag; 534 if (flag & NFLUSHWANT) 535 *flags++ = 'W'; 536 if (flag & NFLUSHINPROG) 537 *flags++ = 'P'; 538 if (flag & NLMODIFIED) 539 *flags++ = 'M'; 540 if (flag & NRMODIFIED) 541 *flags++ = 'R'; 542 if (flag & NWRITEERR) 543 *flags++ = 'E'; 544 if (flag & NQNFSEVICTED) 545 *flags++ = 'G'; 546 if (flag & NACC) 547 *flags++ = 'A'; 548 if (flag & NUPD) 549 *flags++ = 'U'; 550 if (flag & NCHG) 551 *flags++ = 'C'; 552 if (flag & NLOCKED) 553 *flags++ = 'L'; 554 if (flag & NWANTED) 555 *flags++ = 'w'; 556 if (flag == 0) 557 *flags++ = '-'; 558 *flags = '\0'; 559 560 #define VT np->n_vattr 561 printf(" %6ju %5s", (uintmax_t)VT.va_fileid, flagbuf); 562 type = VT.va_mode & S_IFMT; 563 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 564 if (usenumflag || ((name = devname((VT.va_rmajor << 8) | VT.va_rminor, type)) == NULL)) 565 printf(" %2d,%-2d", 566 VT.va_rmajor, VT.va_rminor); 567 else 568 printf(" %7s", name); 569 else 570 printf(" %7qd", np->n_size); 571 return (0); 572 } 573 574 void 575 union_header(void) 576 { 577 printf(" UPPER LOWER"); 578 } 579 580 int 581 union_print(struct vnode *vp) 582 { 583 struct union_node unode, *up = &unode; 584 585 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 586 587 printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 588 (u_long)(void *)up->un_lowervp); 589 return (0); 590 } 591 592 /* 593 * Given a pointer to a mount structure in kernel space, 594 * read it in and return a usable pointer to it. 595 */ 596 struct mount * 597 getmnt(struct mount *maddr) 598 { 599 static struct mtab { 600 struct mtab *next; 601 struct mount *maddr; 602 struct mount mount; 603 } *mhead = NULL; 604 struct mtab *mt; 605 606 for (mt = mhead; mt != NULL; mt = mt->next) 607 if (maddr == mt->maddr) 608 return (&mt->mount); 609 if ((mt = malloc(sizeof(struct mtab))) == NULL) 610 errx(1, "malloc"); 611 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 612 mt->maddr = maddr; 613 mt->next = mhead; 614 mhead = mt; 615 return (&mt->mount); 616 } 617 618 void 619 mount_print(struct mount *mp) 620 { 621 int flags; 622 623 #define ST mp->mnt_stat 624 printf("*** MOUNT %s %s on %s", ST.f_fstypename, 625 ST.f_mntfromname, ST.f_mntonname); 626 if ((flags = mp->mnt_flag)) { 627 int i; 628 const char *sep = " ("; 629 630 for (i = 0; mnt_flags[i].m_flag; i++) { 631 if (flags & mnt_flags[i].m_flag) { 632 printf("%s%s", sep, mnt_flags[i].m_name); 633 flags &= ~mnt_flags[i].m_flag; 634 sep = ","; 635 } 636 } 637 if (flags) 638 printf("%sunknown_flags:%x", sep, flags); 639 printf(")"); 640 } 641 printf("\n"); 642 #undef ST 643 } 644 645 struct e_vnode * 646 loadvnodes(int *avnodes) 647 { 648 int mib[2]; 649 size_t copysize; 650 struct e_vnode *vnodebase; 651 652 if (memf != NULL) { 653 /* 654 * do it by hand 655 */ 656 return (kinfo_vnodes(avnodes)); 657 } 658 mib[0] = CTL_KERN; 659 mib[1] = KERN_VNODE; 660 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 661 err(1, "sysctl: KERN_VNODE"); 662 if ((vnodebase = malloc(copysize)) == NULL) 663 errx(1, "malloc"); 664 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 665 err(1, "sysctl: KERN_VNODE"); 666 if (copysize % sizeof(struct e_vnode)) 667 errx(1, "vnode size mismatch"); 668 *avnodes = copysize / sizeof(struct e_vnode); 669 670 return (vnodebase); 671 } 672 673 /* 674 * simulate what a running kernel does in in kinfo_vnode 675 */ 676 struct e_vnode * 677 kinfo_vnodes(int *avnodes) 678 { 679 struct mntlist mountlist; 680 struct mount *mp, mounth, *mp_next; 681 struct vnode *vp, vnode, *vp_next; 682 char *vbuf, *evbuf, *bp; 683 int num, numvnodes; 684 685 #define VPTRSZ sizeof(struct vnode *) 686 #define VNODESZ sizeof(struct vnode) 687 688 KGET(NL_NUMVNODES, numvnodes); 689 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 690 errx(1, "malloc"); 691 bp = vbuf; 692 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 693 KGET(NL_MOUNTLIST, mountlist); 694 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 695 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 696 mp_next = TAILQ_NEXT(&mounth, mnt_list); 697 for (vp = TAILQ_FIRST(&mounth.mnt_nvnodelist); 698 vp != NULL; vp = vp_next) { 699 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 700 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 701 if ((bp + VPTRSZ + VNODESZ) > evbuf) 702 /* XXX - should realloc */ 703 errx(1, "no more room for vnodes"); 704 memmove(bp, &vp, VPTRSZ); 705 bp += VPTRSZ; 706 memmove(bp, &vnode, VNODESZ); 707 bp += VNODESZ; 708 num++; 709 } 710 if (mp == TAILQ_LAST(&mountlist, mntlist)) 711 break; 712 } 713 *avnodes = num; 714 return ((struct e_vnode *)vbuf); 715 } 716 717 char hdr[] = 718 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 719 int ttyspace = 128; 720 721 void 722 ttymode(void) 723 { 724 struct tty *tty; 725 struct tty ttyb[1000]; 726 int error; 727 size_t len, i; 728 729 printf(hdr); 730 len = sizeof(ttyb); 731 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 732 if (!error) { 733 len /= sizeof(ttyb[0]); 734 for (i = 0; i < len; i++) { 735 ttyprt(&ttyb[i], 0); 736 } 737 } 738 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 739 errx(1, "malloc"); 740 if (nl[NL_NRC_TTY].n_type != 0) 741 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 742 if (nl[NL_NCY_TTY].n_type != 0) 743 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 744 if (nl[NL_SI_NPORTS].n_type != 0) 745 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 746 free(tty); 747 } 748 749 void 750 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 751 { 752 struct tty *tp; 753 int ntty; 754 struct tty **ttyaddr; 755 756 if (tty == NULL) 757 return; 758 KGET(number, ntty); 759 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 760 if (ntty > ttyspace) { 761 ttyspace = ntty; 762 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 763 errx(1, "realloc"); 764 } 765 if (indir) { 766 KGET(type, ttyaddr); 767 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 768 "tty structs"); 769 } else { 770 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 771 "tty structs"); 772 } 773 printf(hdr); 774 for (tp = tty; tp < &tty[ntty]; tp++) 775 ttyprt(tp, tp - tty); 776 } 777 778 struct { 779 int flag; 780 char val; 781 } ttystates[] = { 782 #ifdef TS_WOPEN 783 { TS_WOPEN, 'W'}, 784 #endif 785 { TS_ISOPEN, 'O'}, 786 { TS_CARR_ON, 'C'}, 787 #ifdef TS_CONNECTED 788 { TS_CONNECTED, 'c'}, 789 #endif 790 { TS_TIMEOUT, 'T'}, 791 { TS_FLUSH, 'F'}, 792 { TS_BUSY, 'B'}, 793 #ifdef TS_ASLEEP 794 { TS_ASLEEP, 'A'}, 795 #endif 796 #ifdef TS_SO_OLOWAT 797 { TS_SO_OLOWAT, 'A'}, 798 #endif 799 #ifdef TS_SO_OCOMPLETE 800 { TS_SO_OCOMPLETE, 'a'}, 801 #endif 802 { TS_XCLUDE, 'X'}, 803 { TS_TTSTOP, 'S'}, 804 #ifdef TS_CAR_OFLOW 805 { TS_CAR_OFLOW, 'm'}, 806 #endif 807 #ifdef TS_CTS_OFLOW 808 { TS_CTS_OFLOW, 'o'}, 809 #endif 810 #ifdef TS_DSR_OFLOW 811 { TS_DSR_OFLOW, 'd'}, 812 #endif 813 { TS_TBLOCK, 'K'}, 814 { TS_ASYNC, 'Y'}, 815 { TS_BKSL, 'D'}, 816 { TS_ERASE, 'E'}, 817 { TS_LNCH, 'L'}, 818 { TS_TYPEN, 'P'}, 819 { TS_CNTTB, 'N'}, 820 #ifdef TS_CAN_BYPASS_L_RINT 821 { TS_CAN_BYPASS_L_RINT, 'l'}, 822 #endif 823 #ifdef TS_SNOOP 824 { TS_SNOOP, 's'}, 825 #endif 826 #ifdef TS_ZOMBIE 827 { TS_ZOMBIE, 'Z'}, 828 #endif 829 { 0, '\0'}, 830 }; 831 832 void 833 ttyprt(struct tty *tp, int line) 834 { 835 int i, j; 836 pid_t pgid; 837 char *name, state[20]; 838 839 if (usenumflag || tp->t_dev == 0 || 840 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 841 printf("%7d ", line); 842 else 843 printf("%7s ", name); 844 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 845 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 846 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 847 tp->t_column); 848 for (i = j = 0; ttystates[i].flag; i++) 849 if (tp->t_state&ttystates[i].flag) 850 state[j++] = ttystates[i].val; 851 if (j == 0) 852 state[j++] = '-'; 853 state[j] = '\0'; 854 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 855 pgid = 0; 856 if (tp->t_pgrp != NULL) 857 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 858 printf("%6d ", pgid); 859 switch (tp->t_line) { 860 case TTYDISC: 861 printf("term\n"); 862 break; 863 case NTTYDISC: 864 printf("ntty\n"); 865 break; 866 case SLIPDISC: 867 printf("slip\n"); 868 break; 869 case PPPDISC: 870 printf("ppp\n"); 871 break; 872 default: 873 printf("%d\n", tp->t_line); 874 break; 875 } 876 } 877 878 void 879 filemode(void) 880 { 881 struct kinfo_file *fp, *ofp; 882 size_t len; 883 char flagbuf[16], *fbp; 884 int maxfile, nfile; 885 static const char *dtypes[] = { "???", "inode", "socket" }; 886 887 if (kinfo_get_maxfiles(&maxfile)) 888 err(1, "kinfo_get_maxfiles"); 889 if (totalflag) { 890 if (kinfo_get_openfiles(&nfile)) 891 err(1, "kinfo_get_openfiles"); 892 printf("%3d/%3d files\n", nfile, maxfile); 893 return; 894 } 895 if (kinfo_get_files(&fp, &len)) 896 err(1, "kinfo_get_files"); 897 ofp = fp; 898 899 printf("%d/%d open files\n", len, maxfile); 900 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 901 for (; len-- > 0; fp++) { 902 if ((unsigned)fp->f_type > DTYPE_SOCKET) 903 continue; 904 printf("%p ", fp->f_file); 905 printf("%-8.8s", dtypes[fp->f_type]); 906 fbp = flagbuf; 907 if (fp->f_flag & FREAD) 908 *fbp++ = 'R'; 909 if (fp->f_flag & FWRITE) 910 *fbp++ = 'W'; 911 if (fp->f_flag & FAPPEND) 912 *fbp++ = 'A'; 913 #ifdef FSHLOCK /* currently gone */ 914 if (fp->f_flag & FSHLOCK) 915 *fbp++ = 'S'; 916 if (fp->f_flag & FEXLOCK) 917 *fbp++ = 'X'; 918 #endif 919 if (fp->f_flag & FASYNC) 920 *fbp++ = 'I'; 921 *fbp = '\0'; 922 printf("%6s %3d", flagbuf, fp->f_count); 923 printf(" %3d", fp->f_msgcount); 924 printf(" %8lx", (u_long)(void *)fp->f_data); 925 if (fp->f_offset < 0) 926 printf(" %qx\n", fp->f_offset); 927 else 928 printf(" %qd\n", fp->f_offset); 929 } 930 free(ofp); 931 } 932 933 /* 934 * swapmode is based on a program called swapinfo written 935 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 936 */ 937 void 938 swapmode(void) 939 { 940 struct kvm_swap kswap[16]; 941 int i; 942 int n; 943 int pagesize = getpagesize(); 944 const char *header; 945 int hlen; 946 long blocksize; 947 948 n = kvm_getswapinfo( 949 kd, 950 kswap, 951 sizeof(kswap)/sizeof(kswap[0]), 952 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 953 ); 954 955 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 956 957 header = getbsize(&hlen, &blocksize); 958 if (totalflag == 0) { 959 printf("%-15s %*s %8s %8s %8s %s\n", 960 "Device", hlen, header, 961 "Used", "Avail", "Capacity", "Type"); 962 963 for (i = 0; i < n; ++i) { 964 printf( 965 "%-15s %*d ", 966 kswap[i].ksw_devname, 967 hlen, 968 CONVERT(kswap[i].ksw_total) 969 ); 970 printf( 971 "%8d %8d %5.0f%% %s\n", 972 CONVERT(kswap[i].ksw_used), 973 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 974 (double)kswap[i].ksw_used * 100.0 / 975 (double)kswap[i].ksw_total, 976 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 977 "Sequential" : "Interleaved" 978 ); 979 } 980 } 981 982 if (totalflag) { 983 blocksize = 1024 * 1024; 984 985 printf( 986 "%dM/%dM swap space\n", 987 CONVERT(kswap[n].ksw_used), 988 CONVERT(kswap[n].ksw_total) 989 ); 990 } else if (n > 1) { 991 printf( 992 "%-15s %*d %8d %8d %5.0f%%\n", 993 "Total", 994 hlen, 995 CONVERT(kswap[n].ksw_total), 996 CONVERT(kswap[n].ksw_used), 997 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 998 (double)kswap[n].ksw_used * 100.0 / 999 (double)kswap[n].ksw_total 1000 ); 1001 } 1002 } 1003