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 */ 37 38 #include <sys/user.h> 39 #include <sys/kinfo.h> 40 #include <sys/param.h> 41 #include <sys/time.h> 42 #include <sys/vnode.h> 43 #include <sys/ucred.h> 44 #include <sys/file.h> 45 #include <vfs/ufs/quota.h> 46 #include <vfs/ufs/inode.h> 47 #include <sys/mount.h> 48 #include <sys/uio.h> 49 #include <sys/namei.h> 50 #include <vfs/union/union.h> 51 #include <sys/stat.h> 52 #include <nfs/rpcv2.h> 53 #include <nfs/nfsproto.h> 54 #include <nfs/nfs.h> 55 #include <nfs/nfsnode.h> 56 #include <sys/ioctl.h> 57 #include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 58 #include <sys/tty.h> 59 #include <sys/conf.h> 60 #include <sys/blist.h> 61 62 #include <sys/sysctl.h> 63 64 #include <err.h> 65 #include <fcntl.h> 66 #include <kvm.h> 67 #include <limits.h> 68 #include <nlist.h> 69 #include <stdio.h> 70 #include <stdlib.h> 71 #include <string.h> 72 #include <unistd.h> 73 74 #ifdef USE_KCORE 75 # define KCORE_KINFO_WRAPPER 76 # include <kcore.h> 77 #else 78 # include <kinfo.h> 79 #endif 80 81 enum { 82 NL_MOUNTLIST, 83 NL_NUMVNODES, 84 NL_RC_TTY, 85 NL_NRC_TTY, 86 NL_CY_TTY, 87 NL_NCY_TTY, 88 NL_SI_TTY, 89 NL_SI_NPORTS, 90 }; 91 92 const size_t NL_LAST_MANDATORY = NL_NUMVNODES; 93 94 struct nlist nl[] = { 95 { "_mountlist", 0, 0, 0, 0 }, /* address of head of mount list. */ 96 { "_numvnodes", 0, 0, 0, 0 }, 97 { "_rc_tty", 0, 0, 0, 0 }, 98 { "_nrc_tty", 0, 0, 0, 0 }, 99 { "_cy_tty", 0, 0, 0, 0 }, 100 { "_ncy_tty", 0, 0, 0, 0 }, 101 { "_si__tty", 0, 0, 0, 0 }, 102 { "_si_Nports", 0, 0, 0, 0 }, 103 { "", 0, 0, 0, 0 } 104 }; 105 106 int usenumflag; 107 int totalflag; 108 int swapflag; 109 char *nlistf = NULL; 110 char *memf = NULL; 111 kvm_t *kd; 112 113 const char *usagestr; 114 115 struct { 116 int m_flag; 117 const char *m_name; 118 } mnt_flags[] = { 119 { MNT_RDONLY, "rdonly" }, 120 { MNT_SYNCHRONOUS, "sync" }, 121 { MNT_NOEXEC, "noexec" }, 122 { MNT_NOSUID, "nosuid" }, 123 { MNT_NODEV, "nodev" }, 124 { MNT_UNION, "union" }, 125 { MNT_ASYNC, "async" }, 126 { MNT_SUIDDIR, "suiddir" }, 127 { MNT_SOFTDEP, "softdep" }, 128 { MNT_NOSYMFOLLOW, "nosymfollow" }, 129 { MNT_NOATIME, "noatime" }, 130 { MNT_NOCLUSTERR, "noclusterread" }, 131 { MNT_NOCLUSTERW, "noclusterwrite" }, 132 { MNT_EXRDONLY, "exrdonly" }, 133 { MNT_EXPORTED, "exported" }, 134 { MNT_DEFEXPORTED, "defexported" }, 135 { MNT_EXPORTANON, "exportanon" }, 136 { MNT_EXKERB, "exkerb" }, 137 { MNT_EXPUBLIC, "public" }, 138 { MNT_LOCAL, "local" }, 139 { MNT_QUOTA, "quota" }, 140 { MNT_ROOTFS, "rootfs" }, 141 { MNT_USER, "user" }, 142 { MNT_IGNORE, "ignore" }, 143 { MNT_UPDATE, "update" }, 144 { MNT_DELEXPORT, "delexport" }, 145 { MNT_RELOAD, "reload" }, 146 { MNT_FORCE, "force" }, 147 { 0, NULL } 148 }; 149 150 151 #define SVAR(var) __STRING(var) /* to force expansion */ 152 #define KGET(idx, var) \ 153 KGET1(idx, &var, sizeof(var), SVAR(var)) 154 #define KGET1(idx, p, s, msg) \ 155 KGET2(nl[idx].n_value, p, s, msg) 156 #define KGET2(addr, p, s, msg) \ 157 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 158 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 159 #define KGETN(idx, var) \ 160 KGET1N(idx, &var, sizeof(var), SVAR(var)) 161 #define KGET1N(idx, p, s, msg) \ 162 KGET2N(nl[idx].n_value, p, s, msg) 163 #define KGET2N(addr, p, s, msg) \ 164 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 165 #define KGETRET(addr, p, s, msg) \ 166 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 167 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 168 return (0); \ 169 } 170 171 void filemode(void); 172 int getfiles(char **, int *); 173 struct mount * 174 getmnt(struct mount *); 175 struct e_vnode * 176 kinfo_vnodes(int *); 177 struct e_vnode * 178 loadvnodes(int *); 179 void mount_print(struct mount *); 180 void nfs_header(void); 181 int nfs_print(struct vnode *); 182 void swapmode(void); 183 void ttymode(void); 184 void ttyprt(struct tty *, int); 185 void ttytype(struct tty *, const char *, int, int, int); 186 void ufs_header(void); 187 int ufs_print(struct vnode *); 188 void union_header(void); 189 int union_print(struct vnode *); 190 static void usage(void); 191 void vnode_header(void); 192 void vnode_print(struct vnode *, struct vnode *); 193 void vnodemode(void); 194 195 int 196 main(int argc, char **argv) 197 { 198 int ch, ret; 199 int fileflag, ttyflag, vnodeflag; 200 char buf[_POSIX2_LINE_MAX]; 201 const char *opts; 202 203 fileflag = swapflag = ttyflag = vnodeflag = 0; 204 205 /* We will behave like good old swapinfo if thus invoked */ 206 opts = strrchr(argv[0],'/'); 207 if (opts) 208 opts++; 209 else 210 opts = argv[0]; 211 if (!strcmp(opts,"swapinfo")) { 212 swapflag = 1; 213 opts = "kM:N:"; 214 usagestr = "swapinfo [-k] [-M core] [-N system]"; 215 } else { 216 opts = "TM:N:fiknstv"; 217 usagestr = "pstat [-Tfknst] [-M core] [-N system]"; 218 } 219 220 while ((ch = getopt(argc, argv, opts)) != -1) 221 switch (ch) { 222 case 'f': 223 fileflag = 1; 224 break; 225 case 'k': 226 if (setenv("BLOCKSIZE", "1K", 1) == -1) 227 warn("setenv: cannot set BLOCKSIZE=1K"); 228 break; 229 case 'M': 230 memf = optarg; 231 break; 232 case 'N': 233 nlistf = optarg; 234 break; 235 case 'n': 236 usenumflag = 1; 237 break; 238 case 's': 239 ++swapflag; 240 break; 241 case 'T': 242 totalflag = 1; 243 break; 244 case 't': 245 ttyflag = 1; 246 break; 247 case 'v': 248 case 'i': /* Backward compatibility. */ 249 errx(1, "vnode mode not supported"); 250 #if 0 251 vnodeflag = 1; 252 break; 253 #endif 254 default: 255 usage(); 256 } 257 argc -= optind; 258 argv += optind; 259 260 /* 261 * Discard setgid privileges if not the running kernel so that bad 262 * guys can't print interesting stuff from kernel memory. 263 */ 264 if (nlistf != NULL || memf != NULL) 265 setgid(getgid()); 266 267 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 268 errx(1, "kvm_openfiles: %s", buf); 269 #ifdef USE_KCORE 270 if (kcore_wrapper_open(nlistf, memf, buf)) 271 errx(1, "kcore_open: %s", buf); 272 #endif 273 if ((ret = kvm_nlist(kd, nl)) != 0) { 274 size_t i; 275 int quit = 0; 276 277 if (ret == -1) 278 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 279 for (i = 0; i < NL_LAST_MANDATORY; i++) { 280 if (!nl[i].n_value) { 281 quit = 1; 282 warnx("undefined symbol: %s", nl[i].n_name); 283 } 284 } 285 if (quit) 286 exit(1); 287 } 288 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 289 usage(); 290 if (fileflag || totalflag) 291 filemode(); 292 if (vnodeflag) 293 vnodemode(); 294 if (ttyflag) 295 ttymode(); 296 if (swapflag || totalflag) 297 swapmode(); 298 exit (0); 299 } 300 301 static void 302 usage(void) 303 { 304 fprintf(stderr, "usage: %s\n", usagestr); 305 exit (1); 306 } 307 308 struct e_vnode { 309 struct vnode *avnode; 310 struct vnode vnode; 311 }; 312 313 void 314 vnodemode(void) 315 { 316 struct e_vnode *e_vnodebase, *endvnode, *evp; 317 struct vnode *vp; 318 struct mount *maddr, *mp = NULL; 319 int numvnodes; 320 321 e_vnodebase = loadvnodes(&numvnodes); 322 if (totalflag) { 323 printf("%7d vnodes\n", numvnodes); 324 return; 325 } 326 endvnode = e_vnodebase + numvnodes; 327 printf("%d active vnodes\n", numvnodes); 328 329 330 #define ST mp->mnt_stat 331 maddr = NULL; 332 for (evp = e_vnodebase; evp < endvnode; evp++) { 333 vp = &evp->vnode; 334 if (vp->v_mount != maddr) { 335 /* 336 * New filesystem 337 */ 338 if ((mp = getmnt(vp->v_mount)) == NULL) 339 continue; 340 maddr = vp->v_mount; 341 mount_print(mp); 342 vnode_header(); 343 if (!strcmp(ST.f_fstypename, "ufs") || 344 !strcmp(ST.f_fstypename, "mfs")) 345 ufs_header(); 346 else if (!strcmp(ST.f_fstypename, "nfs")) 347 nfs_header(); 348 else if (!strcmp(ST.f_fstypename, "union")) 349 union_header(); 350 printf("\n"); 351 } 352 vnode_print(evp->avnode, vp); 353 if (!strcmp(ST.f_fstypename, "ufs") || 354 !strcmp(ST.f_fstypename, "mfs")) 355 ufs_print(vp); 356 else if (!strcmp(ST.f_fstypename, "nfs")) 357 nfs_print(vp); 358 else if (!strcmp(ST.f_fstypename, "union")) 359 union_print(vp); 360 printf("\n"); 361 } 362 free(e_vnodebase); 363 } 364 365 void 366 vnode_header(void) 367 { 368 printf("ADDR TYP VFLAG USE HOLD"); 369 } 370 371 void 372 vnode_print(struct vnode *avnode, struct vnode *vp) 373 { 374 const char *type; 375 char flags[32]; 376 char *fp = flags; 377 int flag; 378 int refs; 379 380 /* 381 * set type 382 */ 383 switch (vp->v_type) { 384 case VNON: 385 type = "non"; break; 386 case VREG: 387 type = "reg"; break; 388 case VDIR: 389 type = "dir"; break; 390 case VBLK: 391 type = "blk"; break; 392 case VCHR: 393 type = "chr"; break; 394 case VLNK: 395 type = "lnk"; break; 396 case VSOCK: 397 type = "soc"; break; 398 case VFIFO: 399 type = "fif"; break; 400 case VBAD: 401 type = "bad"; break; 402 default: 403 type = "unk"; break; 404 } 405 /* 406 * gather flags 407 */ 408 flag = vp->v_flag; 409 if (flag & VROOT) 410 *fp++ = 'R'; 411 if (flag & VTEXT) 412 *fp++ = 'T'; 413 if (flag & VSYSTEM) 414 *fp++ = 'S'; 415 if (flag & VISTTY) 416 *fp++ = 't'; 417 #ifdef VXLOCK 418 if (flag & VXLOCK) 419 *fp++ = 'L'; 420 if (flag & VXWANT) 421 *fp++ = 'W'; 422 #endif 423 if (flag & VOBJBUF) 424 *fp++ = 'V'; 425 if (flag & (VAGE0 | VAGE1)) 426 *fp++ = 'a'; 427 if (flag & VOLOCK) 428 *fp++ = 'l'; 429 if (flag & VOWANT) 430 *fp++ = 'w'; 431 #ifdef VDOOMED 432 if (flag & VDOOMED) 433 *fp++ = 'D'; 434 #endif 435 if (flag & VFREE) 436 *fp++ = 'F'; 437 if (flag & VONWORKLST) 438 *fp++ = 'O'; 439 if (flag & VMOUNT) 440 *fp++ = 'M'; 441 #ifdef VRECLAIMED 442 if (flag & VINACTIVE) 443 *fp++ = 'I'; 444 if (flag & VRECLAIMED) 445 *fp++ = 'X'; 446 #endif 447 448 if (flag == 0) 449 *fp++ = '-'; 450 *fp = '\0'; 451 452 /* 453 * Convert SYSREF ref counts into something more 454 * human readable for display. 455 */ 456 if ((refs = vp->v_sysref.refcnt) < 0) 457 refs = -(refs + 0x40000001); 458 printf("%8lx %s %5s %4d %4d", 459 (u_long)(void *)avnode, type, flags, refs, vp->v_auxrefs); 460 } 461 462 void 463 ufs_header(void) 464 { 465 printf(" FILEID IFLAG RDEV|SZ"); 466 } 467 468 int 469 ufs_print(struct vnode *vp) 470 { 471 int flag; 472 struct inode inode, *ip = &inode; 473 char flagbuf[16], *flags = flagbuf; 474 char *name; 475 mode_t type; 476 477 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 478 flag = ip->i_flag; 479 if (flag & IN_ACCESS) 480 *flags++ = 'A'; 481 if (flag & IN_CHANGE) 482 *flags++ = 'C'; 483 if (flag & IN_UPDATE) 484 *flags++ = 'U'; 485 if (flag & IN_MODIFIED) 486 *flags++ = 'M'; 487 if (flag & IN_RENAME) 488 *flags++ = 'R'; 489 if (flag & IN_SHLOCK) 490 *flags++ = 'S'; 491 if (flag & IN_EXLOCK) 492 *flags++ = 'E'; 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 printf(" %6ju %5s", (uintmax_t)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 printf(" %2d,%-2d", 506 major(ip->i_rdev), minor(ip->i_rdev)); 507 else 508 printf(" %7s", name); 509 else 510 printf(" %7qd", ip->i_size); 511 return (0); 512 } 513 514 void 515 nfs_header(void) 516 { 517 printf(" FILEID NFLAG RDEV|SZ"); 518 } 519 520 int 521 nfs_print(struct vnode *vp) 522 { 523 struct nfsnode nfsnode, *np = &nfsnode; 524 char flagbuf[16], *flags = flagbuf; 525 int flag; 526 char *name; 527 mode_t type; 528 529 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 530 flag = np->n_flag; 531 if (flag & NFLUSHWANT) 532 *flags++ = 'W'; 533 if (flag & NFLUSHINPROG) 534 *flags++ = 'P'; 535 if (flag & NLMODIFIED) 536 *flags++ = 'M'; 537 if (flag & NRMODIFIED) 538 *flags++ = 'R'; 539 if (flag & NWRITEERR) 540 *flags++ = 'E'; 541 if (flag & NQNFSEVICTED) 542 *flags++ = 'G'; 543 if (flag & NACC) 544 *flags++ = 'A'; 545 if (flag & NUPD) 546 *flags++ = 'U'; 547 if (flag & NCHG) 548 *flags++ = 'C'; 549 if (flag & NLOCKED) 550 *flags++ = 'L'; 551 if (flag & NWANTED) 552 *flags++ = 'w'; 553 if (flag == 0) 554 *flags++ = '-'; 555 *flags = '\0'; 556 557 #define VT np->n_vattr 558 printf(" %6ju %5s", (uintmax_t)VT.va_fileid, flagbuf); 559 type = VT.va_mode & S_IFMT; 560 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 561 if (usenumflag || ((name = devname((VT.va_rmajor << 8) | VT.va_rminor, type)) == NULL)) 562 printf(" %2d,%-2d", 563 VT.va_rmajor, VT.va_rminor); 564 else 565 printf(" %7s", name); 566 else 567 printf(" %7qd", np->n_size); 568 return (0); 569 } 570 571 void 572 union_header(void) 573 { 574 printf(" UPPER LOWER"); 575 } 576 577 int 578 union_print(struct vnode *vp) 579 { 580 struct union_node unode, *up = &unode; 581 582 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 583 584 printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 585 (u_long)(void *)up->un_lowervp); 586 return (0); 587 } 588 589 /* 590 * Given a pointer to a mount structure in kernel space, 591 * read it in and return a usable pointer to it. 592 */ 593 struct mount * 594 getmnt(struct mount *maddr) 595 { 596 static struct mtab { 597 struct mtab *next; 598 struct mount *maddr; 599 struct mount mount; 600 } *mhead = NULL; 601 struct mtab *mt; 602 603 for (mt = mhead; mt != NULL; mt = mt->next) 604 if (maddr == mt->maddr) 605 return (&mt->mount); 606 if ((mt = malloc(sizeof(struct mtab))) == NULL) 607 errx(1, "malloc"); 608 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 609 mt->maddr = maddr; 610 mt->next = mhead; 611 mhead = mt; 612 return (&mt->mount); 613 } 614 615 void 616 mount_print(struct mount *mp) 617 { 618 int flags; 619 620 #define ST mp->mnt_stat 621 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 printf("%s%s", sep, mnt_flags[i].m_name); 630 flags &= ~mnt_flags[i].m_flag; 631 sep = ","; 632 } 633 } 634 if (flags) 635 printf("%sunknown_flags:%x", sep, flags); 636 printf(")"); 637 } 638 printf("\n"); 639 #undef ST 640 } 641 642 struct e_vnode * 643 loadvnodes(int *avnodes) 644 { 645 int mib[2]; 646 size_t copysize; 647 struct e_vnode *vnodebase; 648 649 if (memf != NULL) { 650 /* 651 * do it by hand 652 */ 653 return (kinfo_vnodes(avnodes)); 654 } 655 mib[0] = CTL_KERN; 656 mib[1] = KERN_VNODE; 657 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 658 err(1, "sysctl: KERN_VNODE"); 659 if ((vnodebase = malloc(copysize)) == NULL) 660 errx(1, "malloc"); 661 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 662 err(1, "sysctl: KERN_VNODE"); 663 if (copysize % sizeof(struct e_vnode)) 664 errx(1, "vnode size mismatch"); 665 *avnodes = copysize / sizeof(struct e_vnode); 666 667 return (vnodebase); 668 } 669 670 /* 671 * simulate what a running kernel does in in kinfo_vnode 672 */ 673 struct e_vnode * 674 kinfo_vnodes(int *avnodes) 675 { 676 struct mntlist mountlist; 677 struct mount *mp, mounth, *mp_next; 678 struct vnode *vp, vnode, *vp_next; 679 char *vbuf, *evbuf, *bp; 680 int num, numvnodes; 681 682 #define VPTRSZ sizeof(struct vnode *) 683 #define VNODESZ sizeof(struct vnode) 684 685 KGET(NL_NUMVNODES, numvnodes); 686 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 687 errx(1, "malloc"); 688 bp = vbuf; 689 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 690 KGET(NL_MOUNTLIST, mountlist); 691 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 692 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 693 mp_next = TAILQ_NEXT(&mounth, mnt_list); 694 for (vp = TAILQ_FIRST(&mounth.mnt_nvnodelist); 695 vp != NULL; vp = vp_next) { 696 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 697 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 698 if ((bp + VPTRSZ + VNODESZ) > evbuf) 699 /* XXX - should realloc */ 700 errx(1, "no more room for vnodes"); 701 memmove(bp, &vp, VPTRSZ); 702 bp += VPTRSZ; 703 memmove(bp, &vnode, VNODESZ); 704 bp += VNODESZ; 705 num++; 706 } 707 if (mp == TAILQ_LAST(&mountlist, mntlist)) 708 break; 709 } 710 *avnodes = num; 711 return ((struct e_vnode *)vbuf); 712 } 713 714 char hdr[] = 715 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 716 int ttyspace = 128; 717 718 void 719 ttymode(void) 720 { 721 struct tty *tty; 722 struct tty ttyb[1000]; 723 int error; 724 size_t len, i; 725 726 printf(hdr); 727 len = sizeof(ttyb); 728 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 729 if (!error) { 730 len /= sizeof(ttyb[0]); 731 for (i = 0; i < len; i++) { 732 ttyprt(&ttyb[i], 0); 733 } 734 } 735 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 736 errx(1, "malloc"); 737 if (nl[NL_NRC_TTY].n_type != 0) 738 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 739 if (nl[NL_NCY_TTY].n_type != 0) 740 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 741 if (nl[NL_SI_NPORTS].n_type != 0) 742 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 743 free(tty); 744 } 745 746 void 747 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 748 { 749 struct tty *tp; 750 int ntty; 751 struct tty **ttyaddr; 752 753 if (tty == NULL) 754 return; 755 KGET(number, ntty); 756 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 757 if (ntty > ttyspace) { 758 ttyspace = ntty; 759 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == NULL) 760 errx(1, "realloc"); 761 } 762 if (indir) { 763 KGET(type, ttyaddr); 764 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 765 "tty structs"); 766 } else { 767 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 768 "tty structs"); 769 } 770 printf(hdr); 771 for (tp = tty; tp < &tty[ntty]; tp++) 772 ttyprt(tp, tp - tty); 773 } 774 775 struct { 776 int flag; 777 char val; 778 } ttystates[] = { 779 #ifdef TS_WOPEN 780 { TS_WOPEN, 'W'}, 781 #endif 782 { TS_ISOPEN, 'O'}, 783 { TS_CARR_ON, 'C'}, 784 #ifdef TS_CONNECTED 785 { TS_CONNECTED, 'c'}, 786 #endif 787 { TS_TIMEOUT, 'T'}, 788 { TS_FLUSH, 'F'}, 789 { TS_BUSY, 'B'}, 790 #ifdef TS_ASLEEP 791 { TS_ASLEEP, 'A'}, 792 #endif 793 #ifdef TS_SO_OLOWAT 794 { TS_SO_OLOWAT, 'A'}, 795 #endif 796 #ifdef TS_SO_OCOMPLETE 797 { TS_SO_OCOMPLETE, 'a'}, 798 #endif 799 { TS_XCLUDE, 'X'}, 800 { TS_TTSTOP, 'S'}, 801 #ifdef TS_CAR_OFLOW 802 { TS_CAR_OFLOW, 'm'}, 803 #endif 804 #ifdef TS_CTS_OFLOW 805 { TS_CTS_OFLOW, 'o'}, 806 #endif 807 #ifdef TS_DSR_OFLOW 808 { TS_DSR_OFLOW, 'd'}, 809 #endif 810 { TS_TBLOCK, 'K'}, 811 { TS_ASYNC, 'Y'}, 812 { TS_BKSL, 'D'}, 813 { TS_ERASE, 'E'}, 814 { TS_LNCH, 'L'}, 815 { TS_TYPEN, 'P'}, 816 { TS_CNTTB, 'N'}, 817 #ifdef TS_CAN_BYPASS_L_RINT 818 { TS_CAN_BYPASS_L_RINT, 'l'}, 819 #endif 820 #ifdef TS_SNOOP 821 { TS_SNOOP, 's'}, 822 #endif 823 #ifdef TS_ZOMBIE 824 { TS_ZOMBIE, 'Z'}, 825 #endif 826 { 0, '\0'}, 827 }; 828 829 void 830 ttyprt(struct tty *tp, int line) 831 { 832 int i, j; 833 pid_t pgid; 834 char *name, state[20]; 835 836 if (usenumflag || tp->t_dev == 0 || 837 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 838 printf("%7d ", line); 839 else 840 printf("%7s ", name); 841 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 842 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 843 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 844 tp->t_column); 845 for (i = j = 0; ttystates[i].flag; i++) 846 if (tp->t_state&ttystates[i].flag) 847 state[j++] = ttystates[i].val; 848 if (j == 0) 849 state[j++] = '-'; 850 state[j] = '\0'; 851 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 852 pgid = 0; 853 if (tp->t_pgrp != NULL) 854 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 855 printf("%6d ", pgid); 856 switch (tp->t_line) { 857 case TTYDISC: 858 printf("term\n"); 859 break; 860 case NTTYDISC: 861 printf("ntty\n"); 862 break; 863 case SLIPDISC: 864 printf("slip\n"); 865 break; 866 case PPPDISC: 867 printf("ppp\n"); 868 break; 869 default: 870 printf("%d\n", tp->t_line); 871 break; 872 } 873 } 874 875 void 876 filemode(void) 877 { 878 struct kinfo_file *fp, *ofp; 879 size_t len; 880 char flagbuf[16], *fbp; 881 int maxfile, nfile; 882 static const char *dtypes[] = { "???", "inode", "socket" }; 883 884 if (kinfo_get_maxfiles(&maxfile)) 885 err(1, "kinfo_get_maxfiles"); 886 if (totalflag) { 887 if (kinfo_get_openfiles(&nfile)) 888 err(1, "kinfo_get_openfiles"); 889 printf("%3d/%3d files\n", nfile, maxfile); 890 return; 891 } 892 if (kinfo_get_files(&fp, &len)) 893 err(1, "kinfo_get_files"); 894 ofp = fp; 895 896 printf("%d/%d open files\n", len, maxfile); 897 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 898 for (; len-- > 0; fp++) { 899 if ((unsigned)fp->f_type > DTYPE_SOCKET) 900 continue; 901 printf("%p ", fp->f_file); 902 printf("%-8.8s", dtypes[fp->f_type]); 903 fbp = flagbuf; 904 if (fp->f_flag & FREAD) 905 *fbp++ = 'R'; 906 if (fp->f_flag & FWRITE) 907 *fbp++ = 'W'; 908 if (fp->f_flag & FAPPEND) 909 *fbp++ = 'A'; 910 #ifdef FSHLOCK /* currently gone */ 911 if (fp->f_flag & FSHLOCK) 912 *fbp++ = 'S'; 913 if (fp->f_flag & FEXLOCK) 914 *fbp++ = 'X'; 915 #endif 916 if (fp->f_flag & FASYNC) 917 *fbp++ = 'I'; 918 *fbp = '\0'; 919 printf("%6s %3d", flagbuf, fp->f_count); 920 printf(" %3d", fp->f_msgcount); 921 printf(" %8lx", (u_long)(void *)fp->f_data); 922 if (fp->f_offset < 0) 923 printf(" %qx\n", fp->f_offset); 924 else 925 printf(" %qd\n", fp->f_offset); 926 } 927 free(ofp); 928 } 929 930 /* 931 * swapmode is based on a program called swapinfo written 932 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 933 */ 934 void 935 swapmode(void) 936 { 937 struct kvm_swap kswap[16]; 938 int i; 939 int n; 940 int pagesize = getpagesize(); 941 const char *header; 942 int hlen; 943 long blocksize; 944 945 n = kvm_getswapinfo( 946 kd, 947 kswap, 948 sizeof(kswap)/sizeof(kswap[0]), 949 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 950 ); 951 952 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 953 954 header = getbsize(&hlen, &blocksize); 955 if (totalflag == 0) { 956 printf("%-15s %*s %8s %8s %8s %s\n", 957 "Device", hlen, header, 958 "Used", "Avail", "Capacity", "Type"); 959 960 for (i = 0; i < n; ++i) { 961 printf( 962 "%-15s %*d ", 963 kswap[i].ksw_devname, 964 hlen, 965 CONVERT(kswap[i].ksw_total) 966 ); 967 printf( 968 "%8d %8d %5.0f%% %s\n", 969 CONVERT(kswap[i].ksw_used), 970 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 971 (double)kswap[i].ksw_used * 100.0 / 972 (double)kswap[i].ksw_total, 973 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 974 "Sequential" : "Interleaved" 975 ); 976 } 977 } 978 979 if (totalflag) { 980 blocksize = 1024 * 1024; 981 982 printf( 983 "%dM/%dM swap space\n", 984 CONVERT(kswap[n].ksw_used), 985 CONVERT(kswap[n].ksw_total) 986 ); 987 } else if (n > 1) { 988 printf( 989 "%-15s %*d %8d %8d %5.0f%%\n", 990 "Total", 991 hlen, 992 CONVERT(kswap[n].ksw_total), 993 CONVERT(kswap[n].ksw_used), 994 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 995 (double)kswap[n].ksw_used * 100.0 / 996 (double)kswap[n].ksw_total 997 ); 998 } 999 } 1000