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 #include <sys/user.h> 40 #include <sys/kinfo.h> 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/sysctl.h> 64 65 #include <err.h> 66 #include <fcntl.h> 67 #include <kvm.h> 68 #include <limits.h> 69 #include <nlist.h> 70 #include <stdio.h> 71 #include <stdlib.h> 72 #include <string.h> 73 #include <unistd.h> 74 75 #ifdef USE_KCORE 76 # define KCORE_KINFO_WRAPPER 77 # include <kcore.h> 78 #else 79 # include <kinfo.h> 80 #endif 81 82 enum { 83 NL_MOUNTLIST, 84 NL_NUMVNODES, 85 NL_RC_TTY, 86 NL_NRC_TTY, 87 NL_CY_TTY, 88 NL_NCY_TTY, 89 NL_SI_TTY, 90 NL_SI_NPORTS, 91 }; 92 93 const size_t NL_LAST_MANDATORY = NL_NUMVNODES; 94 95 struct nlist nl[] = { 96 { "_mountlist", 0, 0, 0, 0 }, /* address of head of mount list. */ 97 { "_numvnodes", 0, 0, 0, 0 }, 98 { "_rc_tty", 0, 0, 0, 0 }, 99 { "_nrc_tty", 0, 0, 0, 0 }, 100 { "_cy_tty", 0, 0, 0, 0 }, 101 { "_ncy_tty", 0, 0, 0, 0 }, 102 { "_si__tty", 0, 0, 0, 0 }, 103 { "_si_Nports", 0, 0, 0, 0 }, 104 { "", 0, 0, 0, 0 } 105 }; 106 107 int usenumflag; 108 int totalflag; 109 int swapflag; 110 char *nlistf = NULL; 111 char *memf = NULL; 112 kvm_t *kd; 113 114 const char *usagestr; 115 116 struct { 117 int m_flag; 118 const char *m_name; 119 } mnt_flags[] = { 120 { MNT_RDONLY, "rdonly" }, 121 { MNT_SYNCHRONOUS, "sync" }, 122 { MNT_NOEXEC, "noexec" }, 123 { MNT_NOSUID, "nosuid" }, 124 { MNT_NODEV, "nodev" }, 125 { MNT_UNION, "union" }, 126 { MNT_ASYNC, "async" }, 127 { MNT_SUIDDIR, "suiddir" }, 128 { MNT_SOFTDEP, "softdep" }, 129 { MNT_NOSYMFOLLOW, "nosymfollow" }, 130 { MNT_NOATIME, "noatime" }, 131 { MNT_NOCLUSTERR, "noclusterread" }, 132 { MNT_NOCLUSTERW, "noclusterwrite" }, 133 { MNT_EXRDONLY, "exrdonly" }, 134 { MNT_EXPORTED, "exported" }, 135 { MNT_DEFEXPORTED, "defexported" }, 136 { MNT_EXPORTANON, "exportanon" }, 137 { MNT_EXKERB, "exkerb" }, 138 { MNT_EXPUBLIC, "public" }, 139 { MNT_LOCAL, "local" }, 140 { MNT_QUOTA, "quota" }, 141 { MNT_ROOTFS, "rootfs" }, 142 { MNT_USER, "user" }, 143 { MNT_IGNORE, "ignore" }, 144 { MNT_UPDATE, "update" }, 145 { MNT_DELEXPORT, "delexport" }, 146 { MNT_RELOAD, "reload" }, 147 { MNT_FORCE, "force" }, 148 { 0, NULL } 149 }; 150 151 152 #define SVAR(var) __STRING(var) /* to force expansion */ 153 #define KGET(idx, var) \ 154 KGET1(idx, &var, sizeof(var), SVAR(var)) 155 #define KGET1(idx, p, s, msg) \ 156 KGET2(nl[idx].n_value, p, s, msg) 157 #define KGET2(addr, p, s, msg) \ 158 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 159 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 160 #define KGETN(idx, var) \ 161 KGET1N(idx, &var, sizeof(var), SVAR(var)) 162 #define KGET1N(idx, p, s, msg) \ 163 KGET2N(nl[idx].n_value, p, s, msg) 164 #define KGET2N(addr, p, s, msg) \ 165 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 166 #define KGETRET(addr, p, s, msg) \ 167 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 168 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 169 return (0); \ 170 } 171 172 void filemode(void); 173 int getfiles(char **, int *); 174 struct mount * 175 getmnt(struct mount *); 176 struct e_vnode * 177 kinfo_vnodes(int *); 178 struct e_vnode * 179 loadvnodes(int *); 180 void mount_print(struct mount *); 181 void nfs_header(void); 182 int nfs_print(struct vnode *); 183 void swapmode(void); 184 void ttymode(void); 185 void ttyprt(struct tty *, int); 186 void ttytype(struct tty *, const char *, int, int, int); 187 void ufs_header(void); 188 int ufs_print(struct vnode *); 189 void union_header(void); 190 int union_print(struct vnode *); 191 static void usage(void); 192 void vnode_header(void); 193 void vnode_print(struct vnode *, struct vnode *); 194 void vnodemode(void); 195 196 int 197 main(int argc, char **argv) 198 { 199 int ch, ret; 200 int fileflag, ttyflag, vnodeflag; 201 char buf[_POSIX2_LINE_MAX]; 202 const char *opts; 203 204 fileflag = swapflag = ttyflag = vnodeflag = 0; 205 206 /* We will behave like good old swapinfo if thus invoked */ 207 opts = strrchr(argv[0],'/'); 208 if (opts) 209 opts++; 210 else 211 opts = argv[0]; 212 if (!strcmp(opts,"swapinfo")) { 213 swapflag = 1; 214 opts = "kM:N:"; 215 usagestr = "swapinfo [-k] [-M core] [-N system]"; 216 } else { 217 opts = "TM:N:fiknstv"; 218 usagestr = "pstat [-Tfknst] [-M core] [-N system]"; 219 } 220 221 while ((ch = getopt(argc, argv, opts)) != -1) 222 switch (ch) { 223 case 'f': 224 fileflag = 1; 225 break; 226 case 'k': 227 if (setenv("BLOCKSIZE", "1K", 1) == -1) 228 warn("setenv: cannot set BLOCKSIZE=1K"); 229 break; 230 case 'M': 231 memf = optarg; 232 break; 233 case 'N': 234 nlistf = optarg; 235 break; 236 case 'n': 237 usenumflag = 1; 238 break; 239 case 's': 240 ++swapflag; 241 break; 242 case 'T': 243 totalflag = 1; 244 break; 245 case 't': 246 ttyflag = 1; 247 break; 248 case 'v': 249 case 'i': /* Backward compatibility. */ 250 errx(1, "vnode mode not supported"); 251 #if 0 252 vnodeflag = 1; 253 break; 254 #endif 255 default: 256 usage(); 257 } 258 argc -= optind; 259 argv += optind; 260 261 /* 262 * Discard setgid privileges if not the running kernel so that bad 263 * guys can't print interesting stuff from kernel memory. 264 */ 265 if (nlistf != NULL || memf != NULL) 266 setgid(getgid()); 267 268 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 269 errx(1, "kvm_openfiles: %s", buf); 270 #ifdef USE_KCORE 271 if (kcore_wrapper_open(nlistf, memf, buf)) 272 errx(1, "kcore_open: %s", buf); 273 #endif 274 if ((ret = kvm_nlist(kd, nl)) != 0) { 275 size_t i; 276 int quit = 0; 277 278 if (ret == -1) 279 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 280 for (i = 0; i < NL_LAST_MANDATORY; i++) { 281 if (!nl[i].n_value) { 282 quit = 1; 283 warnx("undefined symbol: %s", nl[i].n_name); 284 } 285 } 286 if (quit) 287 exit(1); 288 } 289 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 290 usage(); 291 if (fileflag || totalflag) 292 filemode(); 293 if (vnodeflag) 294 vnodemode(); 295 if (ttyflag) 296 ttymode(); 297 if (swapflag || totalflag) 298 swapmode(); 299 exit (0); 300 } 301 302 static void 303 usage(void) 304 { 305 fprintf(stderr, "usage: %s\n", usagestr); 306 exit (1); 307 } 308 309 struct e_vnode { 310 struct vnode *avnode; 311 struct vnode vnode; 312 }; 313 314 void 315 vnodemode(void) 316 { 317 struct e_vnode *e_vnodebase, *endvnode, *evp; 318 struct vnode *vp; 319 struct mount *maddr, *mp = NULL; 320 int numvnodes; 321 322 e_vnodebase = loadvnodes(&numvnodes); 323 if (totalflag) { 324 printf("%7d vnodes\n", numvnodes); 325 return; 326 } 327 endvnode = e_vnodebase + numvnodes; 328 printf("%d active vnodes\n", numvnodes); 329 330 331 #define ST mp->mnt_stat 332 maddr = NULL; 333 for (evp = e_vnodebase; evp < endvnode; evp++) { 334 vp = &evp->vnode; 335 if (vp->v_mount != maddr) { 336 /* 337 * New filesystem 338 */ 339 if ((mp = getmnt(vp->v_mount)) == NULL) 340 continue; 341 maddr = vp->v_mount; 342 mount_print(mp); 343 vnode_header(); 344 if (!strcmp(ST.f_fstypename, "ufs") || 345 !strcmp(ST.f_fstypename, "mfs")) 346 ufs_header(); 347 else if (!strcmp(ST.f_fstypename, "nfs")) 348 nfs_header(); 349 else if (!strcmp(ST.f_fstypename, "union")) 350 union_header(); 351 printf("\n"); 352 } 353 vnode_print(evp->avnode, vp); 354 if (!strcmp(ST.f_fstypename, "ufs") || 355 !strcmp(ST.f_fstypename, "mfs")) 356 ufs_print(vp); 357 else if (!strcmp(ST.f_fstypename, "nfs")) 358 nfs_print(vp); 359 else if (!strcmp(ST.f_fstypename, "union")) 360 union_print(vp); 361 printf("\n"); 362 } 363 free(e_vnodebase); 364 } 365 366 void 367 vnode_header(void) 368 { 369 printf("ADDR TYP VFLAG USE HOLD"); 370 } 371 372 void 373 vnode_print(struct vnode *avnode, struct vnode *vp) 374 { 375 const char *type; 376 char flags[32]; 377 char *fp = flags; 378 int flag; 379 int refs; 380 381 /* 382 * set type 383 */ 384 switch (vp->v_type) { 385 case VNON: 386 type = "non"; break; 387 case VREG: 388 type = "reg"; break; 389 case VDIR: 390 type = "dir"; break; 391 case VBLK: 392 type = "blk"; break; 393 case VCHR: 394 type = "chr"; break; 395 case VLNK: 396 type = "lnk"; break; 397 case VSOCK: 398 type = "soc"; break; 399 case VFIFO: 400 type = "fif"; break; 401 case VBAD: 402 type = "bad"; break; 403 default: 404 type = "unk"; break; 405 } 406 /* 407 * gather flags 408 */ 409 flag = vp->v_flag; 410 if (flag & VROOT) 411 *fp++ = 'R'; 412 if (flag & VTEXT) 413 *fp++ = 'T'; 414 if (flag & VSYSTEM) 415 *fp++ = 'S'; 416 if (flag & VISTTY) 417 *fp++ = 't'; 418 #ifdef VXLOCK 419 if (flag & VXLOCK) 420 *fp++ = 'L'; 421 if (flag & VXWANT) 422 *fp++ = 'W'; 423 #endif 424 if (flag & VOBJBUF) 425 *fp++ = 'V'; 426 if (flag & (VAGE0 | VAGE1)) 427 *fp++ = 'a'; 428 if (flag & VOLOCK) 429 *fp++ = 'l'; 430 if (flag & VOWANT) 431 *fp++ = 'w'; 432 #ifdef VDOOMED 433 if (flag & VDOOMED) 434 *fp++ = 'D'; 435 #endif 436 if (flag & VFREE) 437 *fp++ = 'F'; 438 if (flag & VONWORKLST) 439 *fp++ = 'O'; 440 if (flag & VMOUNT) 441 *fp++ = 'M'; 442 #ifdef VRECLAIMED 443 if (flag & VINACTIVE) 444 *fp++ = 'I'; 445 if (flag & VRECLAIMED) 446 *fp++ = 'X'; 447 #endif 448 449 if (flag == 0) 450 *fp++ = '-'; 451 *fp = '\0'; 452 453 /* 454 * Convert SYSREF ref counts into something more 455 * human readable for display. 456 */ 457 if ((refs = vp->v_sysref.refcnt) < 0) 458 refs = -(refs + 0x40000001); 459 printf("%8lx %s %5s %4d %4d", 460 (u_long)(void *)avnode, type, flags, refs, vp->v_auxrefs); 461 } 462 463 void 464 ufs_header(void) 465 { 466 printf(" FILEID IFLAG RDEV|SZ"); 467 } 468 469 int 470 ufs_print(struct vnode *vp) 471 { 472 int flag; 473 struct inode inode, *ip = &inode; 474 char flagbuf[16], *flags = flagbuf; 475 char *name; 476 mode_t type; 477 478 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 479 flag = ip->i_flag; 480 if (flag & IN_ACCESS) 481 *flags++ = 'A'; 482 if (flag & IN_CHANGE) 483 *flags++ = 'C'; 484 if (flag & IN_UPDATE) 485 *flags++ = 'U'; 486 if (flag & IN_MODIFIED) 487 *flags++ = 'M'; 488 if (flag & IN_RENAME) 489 *flags++ = 'R'; 490 if (flag & IN_SHLOCK) 491 *flags++ = 'S'; 492 if (flag & IN_EXLOCK) 493 *flags++ = 'E'; 494 if (flag & IN_HASHED) 495 *flags++ = 'H'; 496 if (flag & IN_LAZYMOD) 497 *flags++ = 'L'; 498 if (flag == 0) 499 *flags++ = '-'; 500 *flags = '\0'; 501 502 printf(" %6ju %5s", (uintmax_t)ip->i_number, flagbuf); 503 type = ip->i_mode & S_IFMT; 504 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 505 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 506 printf(" %2d,%-2d", 507 major(ip->i_rdev), minor(ip->i_rdev)); 508 else 509 printf(" %7s", name); 510 else 511 printf(" %7qd", ip->i_size); 512 return (0); 513 } 514 515 void 516 nfs_header(void) 517 { 518 printf(" FILEID NFLAG RDEV|SZ"); 519 } 520 521 int 522 nfs_print(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 & NLMODIFIED) 537 *flags++ = 'M'; 538 if (flag & NRMODIFIED) 539 *flags++ = 'R'; 540 if (flag & NWRITEERR) 541 *flags++ = 'E'; 542 if (flag & NQNFSEVICTED) 543 *flags++ = 'G'; 544 if (flag & NACC) 545 *flags++ = 'A'; 546 if (flag & NUPD) 547 *flags++ = 'U'; 548 if (flag & NCHG) 549 *flags++ = 'C'; 550 if (flag & NLOCKED) 551 *flags++ = 'L'; 552 if (flag & NWANTED) 553 *flags++ = 'w'; 554 if (flag == 0) 555 *flags++ = '-'; 556 *flags = '\0'; 557 558 #define VT np->n_vattr 559 printf(" %6ju %5s", (uintmax_t)VT.va_fileid, flagbuf); 560 type = VT.va_mode & S_IFMT; 561 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 562 if (usenumflag || ((name = devname((VT.va_rmajor << 8) | VT.va_rminor, type)) == NULL)) 563 printf(" %2d,%-2d", 564 VT.va_rmajor, VT.va_rminor); 565 else 566 printf(" %7s", name); 567 else 568 printf(" %7qd", np->n_size); 569 return (0); 570 } 571 572 void 573 union_header(void) 574 { 575 printf(" UPPER LOWER"); 576 } 577 578 int 579 union_print(struct vnode *vp) 580 { 581 struct union_node unode, *up = &unode; 582 583 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 584 585 printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 586 (u_long)(void *)up->un_lowervp); 587 return (0); 588 } 589 590 /* 591 * Given a pointer to a mount structure in kernel space, 592 * read it in and return a usable pointer to it. 593 */ 594 struct mount * 595 getmnt(struct mount *maddr) 596 { 597 static struct mtab { 598 struct mtab *next; 599 struct mount *maddr; 600 struct mount mount; 601 } *mhead = NULL; 602 struct mtab *mt; 603 604 for (mt = mhead; mt != NULL; mt = mt->next) 605 if (maddr == mt->maddr) 606 return (&mt->mount); 607 if ((mt = malloc(sizeof(struct mtab))) == NULL) 608 errx(1, "malloc"); 609 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 610 mt->maddr = maddr; 611 mt->next = mhead; 612 mhead = mt; 613 return (&mt->mount); 614 } 615 616 void 617 mount_print(struct mount *mp) 618 { 619 int flags; 620 621 #define ST mp->mnt_stat 622 printf("*** MOUNT %s %s on %s", ST.f_fstypename, 623 ST.f_mntfromname, ST.f_mntonname); 624 if ((flags = mp->mnt_flag)) { 625 int i; 626 const char *sep = " ("; 627 628 for (i = 0; mnt_flags[i].m_flag; i++) { 629 if (flags & mnt_flags[i].m_flag) { 630 printf("%s%s", sep, mnt_flags[i].m_name); 631 flags &= ~mnt_flags[i].m_flag; 632 sep = ","; 633 } 634 } 635 if (flags) 636 printf("%sunknown_flags:%x", sep, flags); 637 printf(")"); 638 } 639 printf("\n"); 640 #undef ST 641 } 642 643 struct e_vnode * 644 loadvnodes(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 */ 674 struct e_vnode * 675 kinfo_vnodes(int *avnodes) 676 { 677 struct mntlist mountlist; 678 struct mount *mp, mounth, *mp_next; 679 struct vnode *vp, vnode, *vp_next; 680 char *vbuf, *evbuf, *bp; 681 int num, numvnodes; 682 683 #define VPTRSZ sizeof(struct vnode *) 684 #define VNODESZ sizeof(struct vnode) 685 686 KGET(NL_NUMVNODES, numvnodes); 687 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 688 errx(1, "malloc"); 689 bp = vbuf; 690 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 691 KGET(NL_MOUNTLIST, mountlist); 692 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 693 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 694 mp_next = TAILQ_NEXT(&mounth, mnt_list); 695 for (vp = TAILQ_FIRST(&mounth.mnt_nvnodelist); 696 vp != NULL; vp = vp_next) { 697 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 698 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 699 if ((bp + VPTRSZ + VNODESZ) > evbuf) 700 /* XXX - should realloc */ 701 errx(1, "no more room for vnodes"); 702 memmove(bp, &vp, VPTRSZ); 703 bp += VPTRSZ; 704 memmove(bp, &vnode, VNODESZ); 705 bp += VNODESZ; 706 num++; 707 } 708 if (mp == TAILQ_LAST(&mountlist, mntlist)) 709 break; 710 } 711 *avnodes = num; 712 return ((struct e_vnode *)vbuf); 713 } 714 715 char hdr[] = 716 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 717 int ttyspace = 128; 718 719 void 720 ttymode(void) 721 { 722 struct tty *tty; 723 struct tty ttyb[1000]; 724 int error; 725 size_t len, i; 726 727 printf(hdr); 728 len = sizeof(ttyb); 729 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 730 if (!error) { 731 len /= sizeof(ttyb[0]); 732 for (i = 0; i < len; i++) { 733 ttyprt(&ttyb[i], 0); 734 } 735 } 736 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 737 errx(1, "malloc"); 738 if (nl[NL_NRC_TTY].n_type != 0) 739 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 740 if (nl[NL_NCY_TTY].n_type != 0) 741 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 742 if (nl[NL_SI_NPORTS].n_type != 0) 743 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 744 free(tty); 745 } 746 747 void 748 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 749 { 750 struct tty *tp; 751 int ntty; 752 struct tty **ttyaddr; 753 754 if (tty == NULL) 755 return; 756 KGET(number, ntty); 757 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 758 if (ntty > ttyspace) { 759 ttyspace = ntty; 760 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 761 errx(1, "realloc"); 762 } 763 if (indir) { 764 KGET(type, ttyaddr); 765 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 766 "tty structs"); 767 } else { 768 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 769 "tty structs"); 770 } 771 printf(hdr); 772 for (tp = tty; tp < &tty[ntty]; tp++) 773 ttyprt(tp, tp - tty); 774 } 775 776 struct { 777 int flag; 778 char val; 779 } ttystates[] = { 780 #ifdef TS_WOPEN 781 { TS_WOPEN, 'W'}, 782 #endif 783 { TS_ISOPEN, 'O'}, 784 { TS_CARR_ON, 'C'}, 785 #ifdef TS_CONNECTED 786 { TS_CONNECTED, 'c'}, 787 #endif 788 { TS_TIMEOUT, 'T'}, 789 { TS_FLUSH, 'F'}, 790 { TS_BUSY, 'B'}, 791 #ifdef TS_ASLEEP 792 { TS_ASLEEP, 'A'}, 793 #endif 794 #ifdef TS_SO_OLOWAT 795 { TS_SO_OLOWAT, 'A'}, 796 #endif 797 #ifdef TS_SO_OCOMPLETE 798 { TS_SO_OCOMPLETE, 'a'}, 799 #endif 800 { TS_XCLUDE, 'X'}, 801 { TS_TTSTOP, 'S'}, 802 #ifdef TS_CAR_OFLOW 803 { TS_CAR_OFLOW, 'm'}, 804 #endif 805 #ifdef TS_CTS_OFLOW 806 { TS_CTS_OFLOW, 'o'}, 807 #endif 808 #ifdef TS_DSR_OFLOW 809 { TS_DSR_OFLOW, 'd'}, 810 #endif 811 { TS_TBLOCK, 'K'}, 812 { TS_ASYNC, 'Y'}, 813 { TS_BKSL, 'D'}, 814 { TS_ERASE, 'E'}, 815 { TS_LNCH, 'L'}, 816 { TS_TYPEN, 'P'}, 817 { TS_CNTTB, 'N'}, 818 #ifdef TS_CAN_BYPASS_L_RINT 819 { TS_CAN_BYPASS_L_RINT, 'l'}, 820 #endif 821 #ifdef TS_SNOOP 822 { TS_SNOOP, 's'}, 823 #endif 824 #ifdef TS_ZOMBIE 825 { TS_ZOMBIE, 'Z'}, 826 #endif 827 { 0, '\0'}, 828 }; 829 830 void 831 ttyprt(struct tty *tp, int line) 832 { 833 int i, j; 834 pid_t pgid; 835 char *name, state[20]; 836 837 if (usenumflag || tp->t_dev == 0 || 838 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 839 printf("%7d ", line); 840 else 841 printf("%7s ", name); 842 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 843 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 844 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 845 tp->t_column); 846 for (i = j = 0; ttystates[i].flag; i++) 847 if (tp->t_state&ttystates[i].flag) 848 state[j++] = ttystates[i].val; 849 if (j == 0) 850 state[j++] = '-'; 851 state[j] = '\0'; 852 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 853 pgid = 0; 854 if (tp->t_pgrp != NULL) 855 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 856 printf("%6d ", pgid); 857 switch (tp->t_line) { 858 case TTYDISC: 859 printf("term\n"); 860 break; 861 case NTTYDISC: 862 printf("ntty\n"); 863 break; 864 case SLIPDISC: 865 printf("slip\n"); 866 break; 867 case PPPDISC: 868 printf("ppp\n"); 869 break; 870 default: 871 printf("%d\n", tp->t_line); 872 break; 873 } 874 } 875 876 void 877 filemode(void) 878 { 879 struct kinfo_file *fp, *ofp; 880 size_t len; 881 char flagbuf[16], *fbp; 882 int maxfile, nfile; 883 static const char *dtypes[] = { "???", "inode", "socket" }; 884 885 if (kinfo_get_maxfiles(&maxfile)) 886 err(1, "kinfo_get_maxfiles"); 887 if (totalflag) { 888 if (kinfo_get_openfiles(&nfile)) 889 err(1, "kinfo_get_openfiles"); 890 printf("%3d/%3d files\n", nfile, maxfile); 891 return; 892 } 893 if (kinfo_get_files(&fp, &len)) 894 err(1, "kinfo_get_files"); 895 ofp = fp; 896 897 printf("%d/%d open files\n", len, maxfile); 898 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 899 for (; len-- > 0; fp++) { 900 if ((unsigned)fp->f_type > DTYPE_SOCKET) 901 continue; 902 printf("%p ", fp->f_file); 903 printf("%-8.8s", dtypes[fp->f_type]); 904 fbp = flagbuf; 905 if (fp->f_flag & FREAD) 906 *fbp++ = 'R'; 907 if (fp->f_flag & FWRITE) 908 *fbp++ = 'W'; 909 if (fp->f_flag & FAPPEND) 910 *fbp++ = 'A'; 911 #ifdef FSHLOCK /* currently gone */ 912 if (fp->f_flag & FSHLOCK) 913 *fbp++ = 'S'; 914 if (fp->f_flag & FEXLOCK) 915 *fbp++ = 'X'; 916 #endif 917 if (fp->f_flag & FASYNC) 918 *fbp++ = 'I'; 919 *fbp = '\0'; 920 printf("%6s %3d", flagbuf, fp->f_count); 921 printf(" %3d", fp->f_msgcount); 922 printf(" %8lx", (u_long)(void *)fp->f_data); 923 if (fp->f_offset < 0) 924 printf(" %qx\n", fp->f_offset); 925 else 926 printf(" %qd\n", fp->f_offset); 927 } 928 free(ofp); 929 } 930 931 /* 932 * swapmode is based on a program called swapinfo written 933 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 934 */ 935 void 936 swapmode(void) 937 { 938 struct kvm_swap kswap[16]; 939 int i; 940 int n; 941 int pagesize = getpagesize(); 942 const char *header; 943 int hlen; 944 long blocksize; 945 946 n = kvm_getswapinfo( 947 kd, 948 kswap, 949 sizeof(kswap)/sizeof(kswap[0]), 950 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 951 ); 952 953 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 954 955 header = getbsize(&hlen, &blocksize); 956 if (totalflag == 0) { 957 printf("%-15s %*s %8s %8s %8s %s\n", 958 "Device", hlen, header, 959 "Used", "Avail", "Capacity", "Type"); 960 961 for (i = 0; i < n; ++i) { 962 printf( 963 "%-15s %*d ", 964 kswap[i].ksw_devname, 965 hlen, 966 CONVERT(kswap[i].ksw_total) 967 ); 968 printf( 969 "%8d %8d %5.0f%% %s\n", 970 CONVERT(kswap[i].ksw_used), 971 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 972 (double)kswap[i].ksw_used * 100.0 / 973 (double)kswap[i].ksw_total, 974 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 975 "Sequential" : "Interleaved" 976 ); 977 } 978 } 979 980 if (totalflag) { 981 blocksize = 1024 * 1024; 982 983 printf( 984 "%dM/%dM swap space\n", 985 CONVERT(kswap[n].ksw_used), 986 CONVERT(kswap[n].ksw_total) 987 ); 988 } else if (n > 1) { 989 printf( 990 "%-15s %*d %8d %8d %5.0f%%\n", 991 "Total", 992 hlen, 993 CONVERT(kswap[n].ksw_total), 994 CONVERT(kswap[n].ksw_used), 995 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 996 (double)kswap[n].ksw_used * 100.0 / 997 (double)kswap[n].ksw_total 998 ); 999 } 1000 } 1001