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 1.14 2005/02/03 17:28:40 joerg 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 putenv("BLOCKSIZE=1K"); 230 break; 231 case 'M': 232 memf = optarg; 233 break; 234 case 'N': 235 nlistf = optarg; 236 break; 237 case 'n': 238 usenumflag = 1; 239 break; 240 case 's': 241 ++swapflag; 242 break; 243 case 'T': 244 totalflag = 1; 245 break; 246 case 't': 247 ttyflag = 1; 248 break; 249 case 'v': 250 case 'i': /* Backward compatibility. */ 251 errx(1, "vnode mode not supported"); 252 #if 0 253 vnodeflag = 1; 254 break; 255 #endif 256 default: 257 usage(); 258 } 259 argc -= optind; 260 argv += optind; 261 262 /* 263 * Discard setgid privileges if not the running kernel so that bad 264 * guys can't print interesting stuff from kernel memory. 265 */ 266 if (nlistf != NULL || memf != NULL) 267 setgid(getgid()); 268 269 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 270 errx(1, "kvm_openfiles: %s", buf); 271 #ifdef USE_KCORE 272 if (kcore_wrapper_open(nlistf, memf, buf)) 273 errx(1, "kcore_open: %s", buf); 274 #endif 275 if ((ret = kvm_nlist(kd, nl)) != 0) { 276 size_t i; 277 int quit = 0; 278 279 if (ret == -1) 280 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 281 for (i = 0; i < NL_LAST_MANDATORY; i++) { 282 if (!nl[i].n_value) { 283 quit = 1; 284 warnx("undefined symbol: %s", nl[i].n_name); 285 } 286 } 287 if (quit) 288 exit(1); 289 } 290 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 291 usage(); 292 if (fileflag || totalflag) 293 filemode(); 294 if (vnodeflag) 295 vnodemode(); 296 if (ttyflag) 297 ttymode(); 298 if (swapflag || totalflag) 299 swapmode(); 300 exit (0); 301 } 302 303 static void 304 usage(void) 305 { 306 fprintf(stderr, "usage: %s\n", usagestr); 307 exit (1); 308 } 309 310 struct e_vnode { 311 struct vnode *avnode; 312 struct vnode vnode; 313 }; 314 315 void 316 vnodemode(void) 317 { 318 struct e_vnode *e_vnodebase, *endvnode, *evp; 319 struct vnode *vp; 320 struct mount *maddr, *mp = NULL; 321 int numvnodes; 322 323 e_vnodebase = loadvnodes(&numvnodes); 324 if (totalflag) { 325 printf("%7d vnodes\n", numvnodes); 326 return; 327 } 328 endvnode = e_vnodebase + numvnodes; 329 printf("%d active vnodes\n", numvnodes); 330 331 332 #define ST mp->mnt_stat 333 maddr = NULL; 334 for (evp = e_vnodebase; evp < endvnode; evp++) { 335 vp = &evp->vnode; 336 if (vp->v_mount != maddr) { 337 /* 338 * New filesystem 339 */ 340 if ((mp = getmnt(vp->v_mount)) == NULL) 341 continue; 342 maddr = vp->v_mount; 343 mount_print(mp); 344 vnode_header(); 345 if (!strcmp(ST.f_fstypename, "ufs") || 346 !strcmp(ST.f_fstypename, "mfs")) 347 ufs_header(); 348 else if (!strcmp(ST.f_fstypename, "nfs")) 349 nfs_header(); 350 else if (!strcmp(ST.f_fstypename, "union")) 351 union_header(); 352 printf("\n"); 353 } 354 vnode_print(evp->avnode, vp); 355 if (!strcmp(ST.f_fstypename, "ufs") || 356 !strcmp(ST.f_fstypename, "mfs")) 357 ufs_print(vp); 358 else if (!strcmp(ST.f_fstypename, "nfs")) 359 nfs_print(vp); 360 else if (!strcmp(ST.f_fstypename, "union")) 361 union_print(vp); 362 printf("\n"); 363 } 364 free(e_vnodebase); 365 } 366 367 void 368 vnode_header(void) 369 { 370 printf("ADDR TYP VFLAG USE HOLD"); 371 } 372 373 void 374 vnode_print(struct vnode *avnode, struct vnode *vp) 375 { 376 const char *type; 377 char flags[32]; 378 char *fp = flags; 379 int flag; 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 & VBWAIT) 425 *fp++ = 'B'; 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 printf("%8lx %s %5s %4d %4d", 455 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 456 } 457 458 void 459 ufs_header(void) 460 { 461 printf(" FILEID IFLAG RDEV|SZ"); 462 } 463 464 int 465 ufs_print(struct vnode *vp) 466 { 467 int flag; 468 struct inode inode, *ip = &inode; 469 char flagbuf[16], *flags = flagbuf; 470 char *name; 471 mode_t type; 472 473 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 474 flag = ip->i_flag; 475 if (flag & IN_ACCESS) 476 *flags++ = 'A'; 477 if (flag & IN_CHANGE) 478 *flags++ = 'C'; 479 if (flag & IN_UPDATE) 480 *flags++ = 'U'; 481 if (flag & IN_MODIFIED) 482 *flags++ = 'M'; 483 if (flag & IN_RENAME) 484 *flags++ = 'R'; 485 if (flag & IN_SHLOCK) 486 *flags++ = 'S'; 487 if (flag & IN_EXLOCK) 488 *flags++ = 'E'; 489 if (flag & IN_HASHED) 490 *flags++ = 'H'; 491 if (flag & IN_LAZYMOD) 492 *flags++ = 'L'; 493 if (flag == 0) 494 *flags++ = '-'; 495 *flags = '\0'; 496 497 printf(" %6d %5s", ip->i_number, flagbuf); 498 type = ip->i_mode & S_IFMT; 499 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 500 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 501 printf(" %2d,%-2d", 502 major(ip->i_rdev), minor(ip->i_rdev)); 503 else 504 printf(" %7s", name); 505 else 506 printf(" %7qd", ip->i_size); 507 return (0); 508 } 509 510 void 511 nfs_header(void) 512 { 513 printf(" FILEID NFLAG RDEV|SZ"); 514 } 515 516 int 517 nfs_print(struct vnode *vp) 518 { 519 struct nfsnode nfsnode, *np = &nfsnode; 520 char flagbuf[16], *flags = flagbuf; 521 int flag; 522 char *name; 523 mode_t type; 524 525 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 526 flag = np->n_flag; 527 if (flag & NFLUSHWANT) 528 *flags++ = 'W'; 529 if (flag & NFLUSHINPROG) 530 *flags++ = 'P'; 531 if (flag & NMODIFIED) 532 *flags++ = 'M'; 533 if (flag & NWRITEERR) 534 *flags++ = 'E'; 535 if (flag & NQNFSNONCACHE) 536 *flags++ = 'X'; 537 if (flag & NQNFSWRITE) 538 *flags++ = 'O'; 539 if (flag & NQNFSEVICTED) 540 *flags++ = 'G'; 541 if (flag & NACC) 542 *flags++ = 'A'; 543 if (flag & NUPD) 544 *flags++ = 'U'; 545 if (flag & NCHG) 546 *flags++ = 'C'; 547 if (flag & NLOCKED) 548 *flags++ = 'L'; 549 if (flag & NWANTED) 550 *flags++ = 'w'; 551 if (flag == 0) 552 *flags++ = '-'; 553 *flags = '\0'; 554 555 #define VT np->n_vattr 556 printf(" %6ld %5s", VT.va_fileid, flagbuf); 557 type = VT.va_mode & S_IFMT; 558 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 559 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 560 printf(" %2d,%-2d", 561 major(VT.va_rdev), minor(VT.va_rdev)); 562 else 563 printf(" %7s", name); 564 else 565 printf(" %7qd", np->n_size); 566 return (0); 567 } 568 569 void 570 union_header(void) 571 { 572 printf(" UPPER LOWER"); 573 } 574 575 int 576 union_print(struct vnode *vp) 577 { 578 struct union_node unode, *up = &unode; 579 580 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 581 582 printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 583 (u_long)(void *)up->un_lowervp); 584 return (0); 585 } 586 587 /* 588 * Given a pointer to a mount structure in kernel space, 589 * read it in and return a usable pointer to it. 590 */ 591 struct mount * 592 getmnt(struct mount *maddr) 593 { 594 static struct mtab { 595 struct mtab *next; 596 struct mount *maddr; 597 struct mount mount; 598 } *mhead = NULL; 599 struct mtab *mt; 600 601 for (mt = mhead; mt != NULL; mt = mt->next) 602 if (maddr == mt->maddr) 603 return (&mt->mount); 604 if ((mt = malloc(sizeof(struct mtab))) == NULL) 605 errx(1, "malloc"); 606 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 607 mt->maddr = maddr; 608 mt->next = mhead; 609 mhead = mt; 610 return (&mt->mount); 611 } 612 613 void 614 mount_print(struct mount *mp) 615 { 616 int flags; 617 618 #define ST mp->mnt_stat 619 printf("*** MOUNT %s %s on %s", ST.f_fstypename, 620 ST.f_mntfromname, ST.f_mntonname); 621 if ((flags = mp->mnt_flag)) { 622 int i; 623 const char *sep = " ("; 624 625 for (i = 0; mnt_flags[i].m_flag; i++) { 626 if (flags & mnt_flags[i].m_flag) { 627 printf("%s%s", sep, mnt_flags[i].m_name); 628 flags &= ~mnt_flags[i].m_flag; 629 sep = ","; 630 } 631 } 632 if (flags) 633 printf("%sunknown_flags:%x", sep, flags); 634 printf(")"); 635 } 636 printf("\n"); 637 #undef ST 638 } 639 640 struct e_vnode * 641 loadvnodes(int *avnodes) 642 { 643 int mib[2]; 644 size_t copysize; 645 struct e_vnode *vnodebase; 646 647 if (memf != NULL) { 648 /* 649 * do it by hand 650 */ 651 return (kinfo_vnodes(avnodes)); 652 } 653 mib[0] = CTL_KERN; 654 mib[1] = KERN_VNODE; 655 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 656 err(1, "sysctl: KERN_VNODE"); 657 if ((vnodebase = malloc(copysize)) == NULL) 658 errx(1, "malloc"); 659 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 660 err(1, "sysctl: KERN_VNODE"); 661 if (copysize % sizeof(struct e_vnode)) 662 errx(1, "vnode size mismatch"); 663 *avnodes = copysize / sizeof(struct e_vnode); 664 665 return (vnodebase); 666 } 667 668 /* 669 * simulate what a running kernel does in in kinfo_vnode 670 */ 671 struct e_vnode * 672 kinfo_vnodes(int *avnodes) 673 { 674 struct mntlist mountlist; 675 struct mount *mp, mounth, *mp_next; 676 struct vnode *vp, vnode, *vp_next; 677 char *vbuf, *evbuf, *bp; 678 int num, numvnodes; 679 680 #define VPTRSZ sizeof(struct vnode *) 681 #define VNODESZ sizeof(struct vnode) 682 683 KGET(NL_NUMVNODES, numvnodes); 684 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 685 errx(1, "malloc"); 686 bp = vbuf; 687 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 688 KGET(NL_MOUNTLIST, mountlist); 689 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 690 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 691 mp_next = TAILQ_NEXT(&mounth, mnt_list); 692 for (vp = TAILQ_FIRST(&mounth.mnt_nvnodelist); 693 vp != NULL; vp = vp_next) { 694 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 695 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 696 if ((bp + VPTRSZ + VNODESZ) > evbuf) 697 /* XXX - should realloc */ 698 errx(1, "no more room for vnodes"); 699 memmove(bp, &vp, VPTRSZ); 700 bp += VPTRSZ; 701 memmove(bp, &vnode, VNODESZ); 702 bp += VNODESZ; 703 num++; 704 } 705 if (mp == TAILQ_LAST(&mountlist, mntlist)) 706 break; 707 } 708 *avnodes = num; 709 return ((struct e_vnode *)vbuf); 710 } 711 712 char hdr[] = 713 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 714 int ttyspace = 128; 715 716 void 717 ttymode(void) 718 { 719 struct tty *tty; 720 struct tty ttyb[1000]; 721 int error; 722 size_t len, i; 723 724 printf(hdr); 725 len = sizeof(ttyb); 726 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 727 if (!error) { 728 len /= sizeof(ttyb[0]); 729 for (i = 0; i < len; i++) { 730 ttyprt(&ttyb[i], 0); 731 } 732 } 733 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 734 errx(1, "malloc"); 735 if (nl[NL_NRC_TTY].n_type != 0) 736 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 737 if (nl[NL_NCY_TTY].n_type != 0) 738 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 739 if (nl[NL_SI_NPORTS].n_type != 0) 740 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 741 free(tty); 742 } 743 744 void 745 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 746 { 747 struct tty *tp; 748 int ntty; 749 struct tty **ttyaddr; 750 751 if (tty == NULL) 752 return; 753 KGET(number, ntty); 754 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 755 if (ntty > ttyspace) { 756 ttyspace = ntty; 757 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 758 errx(1, "realloc"); 759 } 760 if (indir) { 761 KGET(type, ttyaddr); 762 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 763 "tty structs"); 764 } else { 765 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 766 "tty structs"); 767 } 768 printf(hdr); 769 for (tp = tty; tp < &tty[ntty]; tp++) 770 ttyprt(tp, tp - tty); 771 } 772 773 struct { 774 int flag; 775 char val; 776 } ttystates[] = { 777 #ifdef TS_WOPEN 778 { TS_WOPEN, 'W'}, 779 #endif 780 { TS_ISOPEN, 'O'}, 781 { TS_CARR_ON, 'C'}, 782 #ifdef TS_CONNECTED 783 { TS_CONNECTED, 'c'}, 784 #endif 785 { TS_TIMEOUT, 'T'}, 786 { TS_FLUSH, 'F'}, 787 { TS_BUSY, 'B'}, 788 #ifdef TS_ASLEEP 789 { TS_ASLEEP, 'A'}, 790 #endif 791 #ifdef TS_SO_OLOWAT 792 { TS_SO_OLOWAT, 'A'}, 793 #endif 794 #ifdef TS_SO_OCOMPLETE 795 { TS_SO_OCOMPLETE, 'a'}, 796 #endif 797 { TS_XCLUDE, 'X'}, 798 { TS_TTSTOP, 'S'}, 799 #ifdef TS_CAR_OFLOW 800 { TS_CAR_OFLOW, 'm'}, 801 #endif 802 #ifdef TS_CTS_OFLOW 803 { TS_CTS_OFLOW, 'o'}, 804 #endif 805 #ifdef TS_DSR_OFLOW 806 { TS_DSR_OFLOW, 'd'}, 807 #endif 808 { TS_TBLOCK, 'K'}, 809 { TS_ASYNC, 'Y'}, 810 { TS_BKSL, 'D'}, 811 { TS_ERASE, 'E'}, 812 { TS_LNCH, 'L'}, 813 { TS_TYPEN, 'P'}, 814 { TS_CNTTB, 'N'}, 815 #ifdef TS_CAN_BYPASS_L_RINT 816 { TS_CAN_BYPASS_L_RINT, 'l'}, 817 #endif 818 #ifdef TS_SNOOP 819 { TS_SNOOP, 's'}, 820 #endif 821 #ifdef TS_ZOMBIE 822 { TS_ZOMBIE, 'Z'}, 823 #endif 824 { 0, '\0'}, 825 }; 826 827 void 828 ttyprt(struct tty *tp, int line) 829 { 830 int i, j; 831 pid_t pgid; 832 char *name, state[20]; 833 834 if (usenumflag || tp->t_dev == 0 || 835 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 836 printf("%7d ", line); 837 else 838 printf("%7s ", name); 839 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 840 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 841 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 842 tp->t_column); 843 for (i = j = 0; ttystates[i].flag; i++) 844 if (tp->t_state&ttystates[i].flag) 845 state[j++] = ttystates[i].val; 846 if (j == 0) 847 state[j++] = '-'; 848 state[j] = '\0'; 849 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 850 pgid = 0; 851 if (tp->t_pgrp != NULL) 852 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 853 printf("%6d ", pgid); 854 switch (tp->t_line) { 855 case TTYDISC: 856 printf("term\n"); 857 break; 858 case NTTYDISC: 859 printf("ntty\n"); 860 break; 861 case SLIPDISC: 862 printf("slip\n"); 863 break; 864 case PPPDISC: 865 printf("ppp\n"); 866 break; 867 default: 868 printf("%d\n", tp->t_line); 869 break; 870 } 871 } 872 873 void 874 filemode(void) 875 { 876 struct kinfo_file *fp, *ofp; 877 size_t len; 878 char flagbuf[16], *fbp; 879 int maxfile, nfile; 880 static const char *dtypes[] = { "???", "inode", "socket" }; 881 882 if (kinfo_get_maxfiles(&maxfile)) 883 err(1, "kinfo_get_maxfiles"); 884 if (totalflag) { 885 if (kinfo_get_openfiles(&nfile)) 886 err(1, "kinfo_get_openfiles"); 887 printf("%3d/%3d files\n", nfile, maxfile); 888 return; 889 } 890 if (kinfo_get_files(&fp, &len)) 891 err(1, "kinfo_get_files"); 892 ofp = fp; 893 894 printf("%d/%d open files\n", len, maxfile); 895 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 896 for (; len-- > 0; fp++) { 897 if ((unsigned)fp->f_type > DTYPE_SOCKET) 898 continue; 899 printf("%p ", fp->f_file); 900 printf("%-8.8s", dtypes[fp->f_type]); 901 fbp = flagbuf; 902 if (fp->f_flag & FREAD) 903 *fbp++ = 'R'; 904 if (fp->f_flag & FWRITE) 905 *fbp++ = 'W'; 906 if (fp->f_flag & FAPPEND) 907 *fbp++ = 'A'; 908 #ifdef FSHLOCK /* currently gone */ 909 if (fp->f_flag & FSHLOCK) 910 *fbp++ = 'S'; 911 if (fp->f_flag & FEXLOCK) 912 *fbp++ = 'X'; 913 #endif 914 if (fp->f_flag & FASYNC) 915 *fbp++ = 'I'; 916 *fbp = '\0'; 917 printf("%6s %3d", flagbuf, fp->f_count); 918 printf(" %3d", fp->f_msgcount); 919 printf(" %8lx", (u_long)(void *)fp->f_data); 920 if (fp->f_offset < 0) 921 printf(" %qx\n", fp->f_offset); 922 else 923 printf(" %qd\n", fp->f_offset); 924 } 925 free(ofp); 926 } 927 928 /* 929 * swapmode is based on a program called swapinfo written 930 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 931 */ 932 void 933 swapmode(void) 934 { 935 struct kvm_swap kswap[16]; 936 int i; 937 int n; 938 int pagesize = getpagesize(); 939 const char *header; 940 int hlen; 941 long blocksize; 942 943 n = kvm_getswapinfo( 944 kd, 945 kswap, 946 sizeof(kswap)/sizeof(kswap[0]), 947 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 948 ); 949 950 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 951 952 header = getbsize(&hlen, &blocksize); 953 if (totalflag == 0) { 954 printf("%-15s %*s %8s %8s %8s %s\n", 955 "Device", hlen, header, 956 "Used", "Avail", "Capacity", "Type"); 957 958 for (i = 0; i < n; ++i) { 959 printf( 960 "%-15s %*d ", 961 kswap[i].ksw_devname, 962 hlen, 963 CONVERT(kswap[i].ksw_total) 964 ); 965 printf( 966 "%8d %8d %5.0f%% %s\n", 967 CONVERT(kswap[i].ksw_used), 968 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 969 (double)kswap[i].ksw_used * 100.0 / 970 (double)kswap[i].ksw_total, 971 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 972 "Sequential" : "Interleaved" 973 ); 974 } 975 } 976 977 if (totalflag) { 978 blocksize = 1024 * 1024; 979 980 printf( 981 "%dM/%dM swap space\n", 982 CONVERT(kswap[n].ksw_used), 983 CONVERT(kswap[n].ksw_total) 984 ); 985 } else if (n > 1) { 986 printf( 987 "%-15s %*d %8d %8d %5.0f%%\n", 988 "Total", 989 hlen, 990 CONVERT(kswap[n].ksw_total), 991 CONVERT(kswap[n].ksw_used), 992 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 993 (double)kswap[n].ksw_used * 100.0 / 994 (double)kswap[n].ksw_total 995 ); 996 } 997 } 998