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 1.17 2006/02/08 08:34:13 dillon 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; 381 382 /* 383 * set type 384 */ 385 switch (vp->v_type) { 386 case VNON: 387 type = "non"; break; 388 case VREG: 389 type = "reg"; break; 390 case VDIR: 391 type = "dir"; break; 392 case VBLK: 393 type = "blk"; break; 394 case VCHR: 395 type = "chr"; break; 396 case VLNK: 397 type = "lnk"; break; 398 case VSOCK: 399 type = "soc"; break; 400 case VFIFO: 401 type = "fif"; break; 402 case VBAD: 403 type = "bad"; break; 404 default: 405 type = "unk"; break; 406 } 407 /* 408 * gather flags 409 */ 410 flag = vp->v_flag; 411 if (flag & VROOT) 412 *fp++ = 'R'; 413 if (flag & VTEXT) 414 *fp++ = 'T'; 415 if (flag & VSYSTEM) 416 *fp++ = 'S'; 417 if (flag & VISTTY) 418 *fp++ = 't'; 419 #ifdef VXLOCK 420 if (flag & VXLOCK) 421 *fp++ = 'L'; 422 if (flag & VXWANT) 423 *fp++ = 'W'; 424 #endif 425 if (flag & VOBJBUF) 426 *fp++ = 'V'; 427 if (flag & VAGE) 428 *fp++ = 'a'; 429 if (flag & VOLOCK) 430 *fp++ = 'l'; 431 if (flag & VOWANT) 432 *fp++ = 'w'; 433 #ifdef VDOOMED 434 if (flag & VDOOMED) 435 *fp++ = 'D'; 436 #endif 437 if (flag & VFREE) 438 *fp++ = 'F'; 439 if (flag & VONWORKLST) 440 *fp++ = 'O'; 441 if (flag & VMOUNT) 442 *fp++ = 'M'; 443 #ifdef VRECLAIMED 444 if (flag & VINACTIVE) 445 *fp++ = 'I'; 446 if (flag & VRECLAIMED) 447 *fp++ = 'X'; 448 #endif 449 450 if (flag == 0) 451 *fp++ = '-'; 452 *fp = '\0'; 453 printf("%8lx %s %5s %4d %4d", 454 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 455 } 456 457 void 458 ufs_header(void) 459 { 460 printf(" FILEID IFLAG RDEV|SZ"); 461 } 462 463 int 464 ufs_print(struct vnode *vp) 465 { 466 int flag; 467 struct inode inode, *ip = &inode; 468 char flagbuf[16], *flags = flagbuf; 469 char *name; 470 mode_t type; 471 472 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 473 flag = ip->i_flag; 474 if (flag & IN_ACCESS) 475 *flags++ = 'A'; 476 if (flag & IN_CHANGE) 477 *flags++ = 'C'; 478 if (flag & IN_UPDATE) 479 *flags++ = 'U'; 480 if (flag & IN_MODIFIED) 481 *flags++ = 'M'; 482 if (flag & IN_RENAME) 483 *flags++ = 'R'; 484 if (flag & IN_SHLOCK) 485 *flags++ = 'S'; 486 if (flag & IN_EXLOCK) 487 *flags++ = 'E'; 488 if (flag & IN_HASHED) 489 *flags++ = 'H'; 490 if (flag & IN_LAZYMOD) 491 *flags++ = 'L'; 492 if (flag == 0) 493 *flags++ = '-'; 494 *flags = '\0'; 495 496 printf(" %6d %5s", ip->i_number, flagbuf); 497 type = ip->i_mode & S_IFMT; 498 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 499 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 500 printf(" %2d,%-2d", 501 major(ip->i_rdev), minor(ip->i_rdev)); 502 else 503 printf(" %7s", name); 504 else 505 printf(" %7qd", ip->i_size); 506 return (0); 507 } 508 509 void 510 nfs_header(void) 511 { 512 printf(" FILEID NFLAG RDEV|SZ"); 513 } 514 515 int 516 nfs_print(struct vnode *vp) 517 { 518 struct nfsnode nfsnode, *np = &nfsnode; 519 char flagbuf[16], *flags = flagbuf; 520 int flag; 521 char *name; 522 mode_t type; 523 524 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 525 flag = np->n_flag; 526 if (flag & NFLUSHWANT) 527 *flags++ = 'W'; 528 if (flag & NFLUSHINPROG) 529 *flags++ = 'P'; 530 if (flag & NLMODIFIED) 531 *flags++ = 'M'; 532 if (flag & NRMODIFIED) 533 *flags++ = 'R'; 534 if (flag & NWRITEERR) 535 *flags++ = 'E'; 536 if (flag & NQNFSNONCACHE) 537 *flags++ = 'X'; 538 if (flag & NQNFSWRITE) 539 *flags++ = 'O'; 540 if (flag & NQNFSEVICTED) 541 *flags++ = 'G'; 542 if (flag & NACC) 543 *flags++ = 'A'; 544 if (flag & NUPD) 545 *flags++ = 'U'; 546 if (flag & NCHG) 547 *flags++ = 'C'; 548 if (flag & NLOCKED) 549 *flags++ = 'L'; 550 if (flag & NWANTED) 551 *flags++ = 'w'; 552 if (flag == 0) 553 *flags++ = '-'; 554 *flags = '\0'; 555 556 #define VT np->n_vattr 557 printf(" %6ld %5s", VT.va_fileid, flagbuf); 558 type = VT.va_mode & S_IFMT; 559 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 560 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 561 printf(" %2d,%-2d", 562 major(VT.va_rdev), minor(VT.va_rdev)); 563 else 564 printf(" %7s", name); 565 else 566 printf(" %7qd", np->n_size); 567 return (0); 568 } 569 570 void 571 union_header(void) 572 { 573 printf(" UPPER LOWER"); 574 } 575 576 int 577 union_print(struct vnode *vp) 578 { 579 struct union_node unode, *up = &unode; 580 581 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 582 583 printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 584 (u_long)(void *)up->un_lowervp); 585 return (0); 586 } 587 588 /* 589 * Given a pointer to a mount structure in kernel space, 590 * read it in and return a usable pointer to it. 591 */ 592 struct mount * 593 getmnt(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 } 613 614 void 615 mount_print(struct mount *mp) 616 { 617 int flags; 618 619 #define ST mp->mnt_stat 620 printf("*** MOUNT %s %s on %s", ST.f_fstypename, 621 ST.f_mntfromname, ST.f_mntonname); 622 if ((flags = mp->mnt_flag)) { 623 int i; 624 const char *sep = " ("; 625 626 for (i = 0; mnt_flags[i].m_flag; i++) { 627 if (flags & mnt_flags[i].m_flag) { 628 printf("%s%s", sep, mnt_flags[i].m_name); 629 flags &= ~mnt_flags[i].m_flag; 630 sep = ","; 631 } 632 } 633 if (flags) 634 printf("%sunknown_flags:%x", sep, flags); 635 printf(")"); 636 } 637 printf("\n"); 638 #undef ST 639 } 640 641 struct e_vnode * 642 loadvnodes(int *avnodes) 643 { 644 int mib[2]; 645 size_t copysize; 646 struct e_vnode *vnodebase; 647 648 if (memf != NULL) { 649 /* 650 * do it by hand 651 */ 652 return (kinfo_vnodes(avnodes)); 653 } 654 mib[0] = CTL_KERN; 655 mib[1] = KERN_VNODE; 656 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 657 err(1, "sysctl: KERN_VNODE"); 658 if ((vnodebase = malloc(copysize)) == NULL) 659 errx(1, "malloc"); 660 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 661 err(1, "sysctl: KERN_VNODE"); 662 if (copysize % sizeof(struct e_vnode)) 663 errx(1, "vnode size mismatch"); 664 *avnodes = copysize / sizeof(struct e_vnode); 665 666 return (vnodebase); 667 } 668 669 /* 670 * simulate what a running kernel does in in kinfo_vnode 671 */ 672 struct e_vnode * 673 kinfo_vnodes(int *avnodes) 674 { 675 struct mntlist mountlist; 676 struct mount *mp, mounth, *mp_next; 677 struct vnode *vp, vnode, *vp_next; 678 char *vbuf, *evbuf, *bp; 679 int num, numvnodes; 680 681 #define VPTRSZ sizeof(struct vnode *) 682 #define VNODESZ sizeof(struct vnode) 683 684 KGET(NL_NUMVNODES, numvnodes); 685 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 686 errx(1, "malloc"); 687 bp = vbuf; 688 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 689 KGET(NL_MOUNTLIST, mountlist); 690 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 691 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 692 mp_next = TAILQ_NEXT(&mounth, mnt_list); 693 for (vp = TAILQ_FIRST(&mounth.mnt_nvnodelist); 694 vp != NULL; vp = vp_next) { 695 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 696 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 697 if ((bp + VPTRSZ + VNODESZ) > evbuf) 698 /* XXX - should realloc */ 699 errx(1, "no more room for vnodes"); 700 memmove(bp, &vp, VPTRSZ); 701 bp += VPTRSZ; 702 memmove(bp, &vnode, VNODESZ); 703 bp += VNODESZ; 704 num++; 705 } 706 if (mp == TAILQ_LAST(&mountlist, mntlist)) 707 break; 708 } 709 *avnodes = num; 710 return ((struct e_vnode *)vbuf); 711 } 712 713 char hdr[] = 714 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 715 int ttyspace = 128; 716 717 void 718 ttymode(void) 719 { 720 struct tty *tty; 721 struct tty ttyb[1000]; 722 int error; 723 size_t len, i; 724 725 printf(hdr); 726 len = sizeof(ttyb); 727 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 728 if (!error) { 729 len /= sizeof(ttyb[0]); 730 for (i = 0; i < len; i++) { 731 ttyprt(&ttyb[i], 0); 732 } 733 } 734 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 735 errx(1, "malloc"); 736 if (nl[NL_NRC_TTY].n_type != 0) 737 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 738 if (nl[NL_NCY_TTY].n_type != 0) 739 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 740 if (nl[NL_SI_NPORTS].n_type != 0) 741 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 742 free(tty); 743 } 744 745 void 746 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 747 { 748 struct tty *tp; 749 int ntty; 750 struct tty **ttyaddr; 751 752 if (tty == NULL) 753 return; 754 KGET(number, ntty); 755 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 756 if (ntty > ttyspace) { 757 ttyspace = ntty; 758 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 759 errx(1, "realloc"); 760 } 761 if (indir) { 762 KGET(type, ttyaddr); 763 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 764 "tty structs"); 765 } else { 766 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 767 "tty structs"); 768 } 769 printf(hdr); 770 for (tp = tty; tp < &tty[ntty]; tp++) 771 ttyprt(tp, tp - tty); 772 } 773 774 struct { 775 int flag; 776 char val; 777 } ttystates[] = { 778 #ifdef TS_WOPEN 779 { TS_WOPEN, 'W'}, 780 #endif 781 { TS_ISOPEN, 'O'}, 782 { TS_CARR_ON, 'C'}, 783 #ifdef TS_CONNECTED 784 { TS_CONNECTED, 'c'}, 785 #endif 786 { TS_TIMEOUT, 'T'}, 787 { TS_FLUSH, 'F'}, 788 { TS_BUSY, 'B'}, 789 #ifdef TS_ASLEEP 790 { TS_ASLEEP, 'A'}, 791 #endif 792 #ifdef TS_SO_OLOWAT 793 { TS_SO_OLOWAT, 'A'}, 794 #endif 795 #ifdef TS_SO_OCOMPLETE 796 { TS_SO_OCOMPLETE, 'a'}, 797 #endif 798 { TS_XCLUDE, 'X'}, 799 { TS_TTSTOP, 'S'}, 800 #ifdef TS_CAR_OFLOW 801 { TS_CAR_OFLOW, 'm'}, 802 #endif 803 #ifdef TS_CTS_OFLOW 804 { TS_CTS_OFLOW, 'o'}, 805 #endif 806 #ifdef TS_DSR_OFLOW 807 { TS_DSR_OFLOW, 'd'}, 808 #endif 809 { TS_TBLOCK, 'K'}, 810 { TS_ASYNC, 'Y'}, 811 { TS_BKSL, 'D'}, 812 { TS_ERASE, 'E'}, 813 { TS_LNCH, 'L'}, 814 { TS_TYPEN, 'P'}, 815 { TS_CNTTB, 'N'}, 816 #ifdef TS_CAN_BYPASS_L_RINT 817 { TS_CAN_BYPASS_L_RINT, 'l'}, 818 #endif 819 #ifdef TS_SNOOP 820 { TS_SNOOP, 's'}, 821 #endif 822 #ifdef TS_ZOMBIE 823 { TS_ZOMBIE, 'Z'}, 824 #endif 825 { 0, '\0'}, 826 }; 827 828 void 829 ttyprt(struct tty *tp, int line) 830 { 831 int i, j; 832 pid_t pgid; 833 char *name, state[20]; 834 835 if (usenumflag || tp->t_dev == 0 || 836 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 837 printf("%7d ", line); 838 else 839 printf("%7s ", name); 840 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 841 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 842 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 843 tp->t_column); 844 for (i = j = 0; ttystates[i].flag; i++) 845 if (tp->t_state&ttystates[i].flag) 846 state[j++] = ttystates[i].val; 847 if (j == 0) 848 state[j++] = '-'; 849 state[j] = '\0'; 850 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 851 pgid = 0; 852 if (tp->t_pgrp != NULL) 853 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 854 printf("%6d ", pgid); 855 switch (tp->t_line) { 856 case TTYDISC: 857 printf("term\n"); 858 break; 859 case NTTYDISC: 860 printf("ntty\n"); 861 break; 862 case SLIPDISC: 863 printf("slip\n"); 864 break; 865 case PPPDISC: 866 printf("ppp\n"); 867 break; 868 default: 869 printf("%d\n", tp->t_line); 870 break; 871 } 872 } 873 874 void 875 filemode(void) 876 { 877 struct kinfo_file *fp, *ofp; 878 size_t len; 879 char flagbuf[16], *fbp; 880 int maxfile, nfile; 881 static const char *dtypes[] = { "???", "inode", "socket" }; 882 883 if (kinfo_get_maxfiles(&maxfile)) 884 err(1, "kinfo_get_maxfiles"); 885 if (totalflag) { 886 if (kinfo_get_openfiles(&nfile)) 887 err(1, "kinfo_get_openfiles"); 888 printf("%3d/%3d files\n", nfile, maxfile); 889 return; 890 } 891 if (kinfo_get_files(&fp, &len)) 892 err(1, "kinfo_get_files"); 893 ofp = fp; 894 895 printf("%d/%d open files\n", len, maxfile); 896 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 897 for (; len-- > 0; fp++) { 898 if ((unsigned)fp->f_type > DTYPE_SOCKET) 899 continue; 900 printf("%p ", fp->f_file); 901 printf("%-8.8s", dtypes[fp->f_type]); 902 fbp = flagbuf; 903 if (fp->f_flag & FREAD) 904 *fbp++ = 'R'; 905 if (fp->f_flag & FWRITE) 906 *fbp++ = 'W'; 907 if (fp->f_flag & FAPPEND) 908 *fbp++ = 'A'; 909 #ifdef FSHLOCK /* currently gone */ 910 if (fp->f_flag & FSHLOCK) 911 *fbp++ = 'S'; 912 if (fp->f_flag & FEXLOCK) 913 *fbp++ = 'X'; 914 #endif 915 if (fp->f_flag & FASYNC) 916 *fbp++ = 'I'; 917 *fbp = '\0'; 918 printf("%6s %3d", flagbuf, fp->f_count); 919 printf(" %3d", fp->f_msgcount); 920 printf(" %8lx", (u_long)(void *)fp->f_data); 921 if (fp->f_offset < 0) 922 printf(" %qx\n", fp->f_offset); 923 else 924 printf(" %qd\n", fp->f_offset); 925 } 926 free(ofp); 927 } 928 929 /* 930 * swapmode is based on a program called swapinfo written 931 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 932 */ 933 void 934 swapmode(void) 935 { 936 struct kvm_swap kswap[16]; 937 int i; 938 int n; 939 int pagesize = getpagesize(); 940 const char *header; 941 int hlen; 942 long blocksize; 943 944 n = kvm_getswapinfo( 945 kd, 946 kswap, 947 sizeof(kswap)/sizeof(kswap[0]), 948 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 949 ); 950 951 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 952 953 header = getbsize(&hlen, &blocksize); 954 if (totalflag == 0) { 955 printf("%-15s %*s %8s %8s %8s %s\n", 956 "Device", hlen, header, 957 "Used", "Avail", "Capacity", "Type"); 958 959 for (i = 0; i < n; ++i) { 960 printf( 961 "%-15s %*d ", 962 kswap[i].ksw_devname, 963 hlen, 964 CONVERT(kswap[i].ksw_total) 965 ); 966 printf( 967 "%8d %8d %5.0f%% %s\n", 968 CONVERT(kswap[i].ksw_used), 969 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 970 (double)kswap[i].ksw_used * 100.0 / 971 (double)kswap[i].ksw_total, 972 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 973 "Sequential" : "Interleaved" 974 ); 975 } 976 } 977 978 if (totalflag) { 979 blocksize = 1024 * 1024; 980 981 printf( 982 "%dM/%dM swap space\n", 983 CONVERT(kswap[n].ksw_used), 984 CONVERT(kswap[n].ksw_total) 985 ); 986 } else if (n > 1) { 987 printf( 988 "%-15s %*d %8d %8d %5.0f%%\n", 989 "Total", 990 hlen, 991 CONVERT(kswap[n].ksw_total), 992 CONVERT(kswap[n].ksw_used), 993 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 994 (double)kswap[n].ksw_used * 100.0 / 995 (double)kswap[n].ksw_total 996 ); 997 } 998 } 999