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 1.4 2003/08/27 03:21:50 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/user.h> 64 #include <sys/sysctl.h> 65 66 #include <err.h> 67 #include <fcntl.h> 68 #include <kvm.h> 69 #include <limits.h> 70 #include <nlist.h> 71 #include <stdio.h> 72 #include <stdlib.h> 73 #include <string.h> 74 #include <unistd.h> 75 76 struct nlist nl[] = { 77 #define NLMANDATORYBEG 0 78 #define V_MOUNTLIST 0 79 { "_mountlist" }, /* address of head of mount list. */ 80 #define V_NUMV 1 81 { "_numvnodes" }, 82 #define FNL_NFILE 2 83 {"_nfiles"}, 84 #define FNL_MAXFILE 3 85 {"_maxfiles"}, 86 #define NLMANDATORYEND FNL_MAXFILE /* names up to here are mandatory */ 87 #define SCONS NLMANDATORYEND + 1 88 { "_cons" }, 89 #define SPTY NLMANDATORYEND + 2 90 { "_pt_tty" }, 91 #define SNPTY NLMANDATORYEND + 3 92 { "_npty" }, 93 94 95 96 #ifdef __FreeBSD__ 97 #define SCCONS (SNPTY+1) 98 { "_sccons" }, 99 #define NSCCONS (SNPTY+2) 100 { "_nsccons" }, 101 #define SIO (SNPTY+3) 102 { "_sio_tty" }, 103 #define NSIO (SNPTY+4) 104 { "_nsio_tty" }, 105 #define RC (SNPTY+5) 106 { "_rc_tty" }, 107 #define NRC (SNPTY+6) 108 { "_nrc_tty" }, 109 #define CY (SNPTY+7) 110 { "_cy_tty" }, 111 #define NCY (SNPTY+8) 112 { "_ncy_tty" }, 113 #define SI (SNPTY+9) 114 { "_si_tty" }, 115 #define NSI (SNPTY+10) 116 { "_si_Nports" }, 117 #endif 118 { "" } 119 }; 120 121 int usenumflag; 122 int totalflag; 123 int swapflag; 124 char *nlistf = NULL; 125 char *memf = NULL; 126 kvm_t *kd; 127 128 char *usagestr; 129 130 struct { 131 int m_flag; 132 const char *m_name; 133 } mnt_flags[] = { 134 { MNT_RDONLY, "rdonly" }, 135 { MNT_SYNCHRONOUS, "sync" }, 136 { MNT_NOEXEC, "noexec" }, 137 { MNT_NOSUID, "nosuid" }, 138 { MNT_NODEV, "nodev" }, 139 { MNT_UNION, "union" }, 140 { MNT_ASYNC, "async" }, 141 { MNT_SUIDDIR, "suiddir" }, 142 { MNT_SOFTDEP, "softdep" }, 143 { MNT_NOSYMFOLLOW, "nosymfollow" }, 144 { MNT_NOATIME, "noatime" }, 145 { MNT_NOCLUSTERR, "noclusterread" }, 146 { MNT_NOCLUSTERW, "noclusterwrite" }, 147 { MNT_EXRDONLY, "exrdonly" }, 148 { MNT_EXPORTED, "exported" }, 149 { MNT_DEFEXPORTED, "defexported" }, 150 { MNT_EXPORTANON, "exportanon" }, 151 { MNT_EXKERB, "exkerb" }, 152 { MNT_EXPUBLIC, "public" }, 153 { MNT_LOCAL, "local" }, 154 { MNT_QUOTA, "quota" }, 155 { MNT_ROOTFS, "rootfs" }, 156 { MNT_USER, "user" }, 157 { MNT_IGNORE, "ignore" }, 158 { MNT_UPDATE, "update" }, 159 { MNT_DELEXPORT, "delexport" }, 160 { MNT_RELOAD, "reload" }, 161 { MNT_FORCE, "force" }, 162 { 0 } 163 }; 164 165 166 #define SVAR(var) __STRING(var) /* to force expansion */ 167 #define KGET(idx, var) \ 168 KGET1(idx, &var, sizeof(var), SVAR(var)) 169 #define KGET1(idx, p, s, msg) \ 170 KGET2(nl[idx].n_value, p, s, msg) 171 #define KGET2(addr, p, s, msg) \ 172 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 173 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 174 #define KGETN(idx, var) \ 175 KGET1N(idx, &var, sizeof(var), SVAR(var)) 176 #define KGET1N(idx, p, s, msg) \ 177 KGET2N(nl[idx].n_value, p, s, msg) 178 #define KGET2N(addr, p, s, msg) \ 179 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 180 #define KGETRET(addr, p, s, msg) \ 181 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 182 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 183 return (0); \ 184 } 185 186 void filemode __P((void)); 187 int getfiles __P((char **, int *)); 188 struct mount * 189 getmnt __P((struct mount *)); 190 struct e_vnode * 191 kinfo_vnodes __P((int *)); 192 struct e_vnode * 193 loadvnodes __P((int *)); 194 void mount_print __P((struct mount *)); 195 void nfs_header __P((void)); 196 int nfs_print __P((struct vnode *)); 197 void swapmode __P((void)); 198 void ttymode __P((void)); 199 void ttyprt __P((struct tty *, int)); 200 void ttytype __P((struct tty *, char *, int, int, int)); 201 void ufs_header __P((void)); 202 int ufs_print __P((struct vnode *)); 203 void union_header __P((void)); 204 int union_print __P((struct vnode *)); 205 static void usage __P((void)); 206 void vnode_header __P((void)); 207 void vnode_print __P((struct vnode *, struct vnode *)); 208 void vnodemode __P((void)); 209 210 int 211 main(argc, argv) 212 int argc; 213 char *argv[]; 214 { 215 int ch, i, quit, ret; 216 int fileflag, ttyflag, vnodeflag; 217 char buf[_POSIX2_LINE_MAX],*opts; 218 219 fileflag = swapflag = ttyflag = vnodeflag = 0; 220 221 /* We will behave like good old swapinfo if thus invoked */ 222 opts = strrchr(argv[0],'/'); 223 if (opts) 224 opts++; 225 else 226 opts = argv[0]; 227 if (!strcmp(opts,"swapinfo")) { 228 swapflag = 1; 229 opts = "kM:N:"; 230 usagestr = "swapinfo [-k] [-M core] [-N system]"; 231 } else { 232 opts = "TM:N:fiknstv"; 233 usagestr = "pstat [-Tfknst] [-M core] [-N system]"; 234 } 235 236 while ((ch = getopt(argc, argv, opts)) != -1) 237 switch (ch) { 238 case 'f': 239 fileflag = 1; 240 break; 241 case 'k': 242 putenv("BLOCKSIZE=1K"); 243 break; 244 case 'M': 245 memf = optarg; 246 break; 247 case 'N': 248 nlistf = optarg; 249 break; 250 case 'n': 251 usenumflag = 1; 252 break; 253 case 's': 254 ++swapflag; 255 break; 256 case 'T': 257 totalflag = 1; 258 break; 259 case 't': 260 ttyflag = 1; 261 break; 262 case 'v': 263 case 'i': /* Backward compatibility. */ 264 errx(1, "vnode mode not supported"); 265 #if 0 266 vnodeflag = 1; 267 break; 268 #endif 269 default: 270 usage(); 271 } 272 argc -= optind; 273 argv += optind; 274 275 /* 276 * Discard setgid privileges if not the running kernel so that bad 277 * guys can't print interesting stuff from kernel memory. 278 */ 279 if (nlistf != NULL || memf != NULL) 280 (void)setgid(getgid()); 281 282 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 283 errx(1, "kvm_openfiles: %s", buf); 284 if ((ret = kvm_nlist(kd, nl)) != 0) { 285 if (ret == -1) 286 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 287 for (i = NLMANDATORYBEG, quit = 0; i <= NLMANDATORYEND; i++) 288 if (!nl[i].n_value) { 289 quit = 1; 290 warnx("undefined symbol: %s", nl[i].n_name); 291 } 292 if (quit) 293 exit(1); 294 } 295 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 296 usage(); 297 if (fileflag || totalflag) 298 filemode(); 299 if (vnodeflag) 300 vnodemode(); 301 if (ttyflag) 302 ttymode(); 303 if (swapflag || totalflag) 304 swapmode(); 305 exit (0); 306 } 307 308 static void 309 usage() 310 { 311 fprintf(stderr, "usage: %s\n", usagestr); 312 exit (1); 313 } 314 315 struct e_vnode { 316 struct vnode *avnode; 317 struct vnode vnode; 318 }; 319 320 void 321 vnodemode() 322 { 323 struct e_vnode *e_vnodebase, *endvnode, *evp; 324 struct vnode *vp; 325 struct mount *maddr, *mp; 326 int numvnodes; 327 328 e_vnodebase = loadvnodes(&numvnodes); 329 if (totalflag) { 330 (void)printf("%7d vnodes\n", numvnodes); 331 return; 332 } 333 endvnode = e_vnodebase + numvnodes; 334 (void)printf("%d active vnodes\n", numvnodes); 335 336 337 #define ST mp->mnt_stat 338 maddr = NULL; 339 for (evp = e_vnodebase; evp < endvnode; evp++) { 340 vp = &evp->vnode; 341 if (vp->v_mount != maddr) { 342 /* 343 * New filesystem 344 */ 345 if ((mp = getmnt(vp->v_mount)) == NULL) 346 continue; 347 maddr = vp->v_mount; 348 mount_print(mp); 349 vnode_header(); 350 if (!strcmp(ST.f_fstypename, "ufs") || 351 !strcmp(ST.f_fstypename, "mfs")) 352 ufs_header(); 353 else if (!strcmp(ST.f_fstypename, "nfs")) 354 nfs_header(); 355 else if (!strcmp(ST.f_fstypename, "union")) 356 union_header(); 357 (void)printf("\n"); 358 } 359 vnode_print(evp->avnode, vp); 360 if (!strcmp(ST.f_fstypename, "ufs") || 361 !strcmp(ST.f_fstypename, "mfs")) 362 ufs_print(vp); 363 else if (!strcmp(ST.f_fstypename, "nfs")) 364 nfs_print(vp); 365 else if (!strcmp(ST.f_fstypename, "union")) 366 union_print(vp); 367 (void)printf("\n"); 368 } 369 free(e_vnodebase); 370 } 371 372 void 373 vnode_header() 374 { 375 (void)printf("ADDR TYP VFLAG USE HOLD"); 376 } 377 378 void 379 vnode_print(avnode, vp) 380 struct vnode *avnode; 381 struct vnode *vp; 382 { 383 char *type, flags[16]; 384 char *fp = flags; 385 int flag; 386 387 /* 388 * set type 389 */ 390 switch (vp->v_type) { 391 case VNON: 392 type = "non"; break; 393 case VREG: 394 type = "reg"; break; 395 case VDIR: 396 type = "dir"; break; 397 case VBLK: 398 type = "blk"; break; 399 case VCHR: 400 type = "chr"; break; 401 case VLNK: 402 type = "lnk"; break; 403 case VSOCK: 404 type = "soc"; break; 405 case VFIFO: 406 type = "fif"; break; 407 case VBAD: 408 type = "bad"; break; 409 default: 410 type = "unk"; break; 411 } 412 /* 413 * gather flags 414 */ 415 flag = vp->v_flag; 416 if (flag & VROOT) 417 *fp++ = 'R'; 418 if (flag & VTEXT) 419 *fp++ = 'T'; 420 if (flag & VSYSTEM) 421 *fp++ = 'S'; 422 if (flag & VISTTY) 423 *fp++ = 't'; 424 if (flag & VXLOCK) 425 *fp++ = 'L'; 426 if (flag & VXWANT) 427 *fp++ = 'W'; 428 if (flag & VBWAIT) 429 *fp++ = 'B'; 430 if (flag & VOBJBUF) 431 *fp++ = 'V'; 432 if (flag & VAGE) 433 *fp++ = 'a'; 434 if (flag & VOLOCK) 435 *fp++ = 'l'; 436 if (flag & VOWANT) 437 *fp++ = 'w'; 438 if (flag & VDOOMED) 439 *fp++ = 'D'; 440 if (flag & VFREE) 441 *fp++ = 'F'; 442 if (flag & VONWORKLST) 443 *fp++ = 'O'; 444 if (flag & VMOUNT) 445 *fp++ = 'M'; 446 447 if (flag == 0) 448 *fp++ = '-'; 449 *fp = '\0'; 450 (void)printf("%8lx %s %5s %4d %4d", 451 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 452 } 453 454 void 455 ufs_header() 456 { 457 (void)printf(" FILEID IFLAG RDEV|SZ"); 458 } 459 460 int 461 ufs_print(vp) 462 struct vnode *vp; 463 { 464 int flag; 465 struct inode inode, *ip = &inode; 466 char flagbuf[16], *flags = flagbuf; 467 char *name; 468 mode_t type; 469 470 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 471 flag = ip->i_flag; 472 if (flag & IN_ACCESS) 473 *flags++ = 'A'; 474 if (flag & IN_CHANGE) 475 *flags++ = 'C'; 476 if (flag & IN_UPDATE) 477 *flags++ = 'U'; 478 if (flag & IN_MODIFIED) 479 *flags++ = 'M'; 480 if (flag & IN_RENAME) 481 *flags++ = 'R'; 482 if (flag & IN_SHLOCK) 483 *flags++ = 'S'; 484 if (flag & IN_EXLOCK) 485 *flags++ = 'E'; 486 if (flag & IN_HASHED) 487 *flags++ = 'H'; 488 if (flag & IN_LAZYMOD) 489 *flags++ = 'L'; 490 if (flag == 0) 491 *flags++ = '-'; 492 *flags = '\0'; 493 494 (void)printf(" %6d %5s", ip->i_number, flagbuf); 495 type = ip->i_mode & S_IFMT; 496 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 497 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 498 (void)printf(" %2d,%-2d", 499 major(ip->i_rdev), minor(ip->i_rdev)); 500 else 501 (void)printf(" %7s", name); 502 else 503 (void)printf(" %7qd", ip->i_size); 504 return (0); 505 } 506 507 void 508 nfs_header() 509 { 510 (void)printf(" FILEID NFLAG RDEV|SZ"); 511 } 512 513 int 514 nfs_print(vp) 515 struct vnode *vp; 516 { 517 struct nfsnode nfsnode, *np = &nfsnode; 518 char flagbuf[16], *flags = flagbuf; 519 int flag; 520 char *name; 521 mode_t type; 522 523 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 524 flag = np->n_flag; 525 if (flag & NFLUSHWANT) 526 *flags++ = 'W'; 527 if (flag & NFLUSHINPROG) 528 *flags++ = 'P'; 529 if (flag & NMODIFIED) 530 *flags++ = 'M'; 531 if (flag & NWRITEERR) 532 *flags++ = 'E'; 533 if (flag & NQNFSNONCACHE) 534 *flags++ = 'X'; 535 if (flag & NQNFSWRITE) 536 *flags++ = 'O'; 537 if (flag & NQNFSEVICTED) 538 *flags++ = 'G'; 539 if (flag & NACC) 540 *flags++ = 'A'; 541 if (flag & NUPD) 542 *flags++ = 'U'; 543 if (flag & NCHG) 544 *flags++ = 'C'; 545 if (flag & NLOCKED) 546 *flags++ = 'L'; 547 if (flag & NWANTED) 548 *flags++ = 'w'; 549 if (flag == 0) 550 *flags++ = '-'; 551 *flags = '\0'; 552 553 #define VT np->n_vattr 554 (void)printf(" %6ld %5s", VT.va_fileid, flagbuf); 555 type = VT.va_mode & S_IFMT; 556 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 557 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 558 (void)printf(" %2d,%-2d", 559 major(VT.va_rdev), minor(VT.va_rdev)); 560 else 561 (void)printf(" %7s", name); 562 else 563 (void)printf(" %7qd", np->n_size); 564 return (0); 565 } 566 567 void 568 union_header() 569 { 570 (void)printf(" UPPER LOWER"); 571 } 572 573 int 574 union_print(vp) 575 struct vnode *vp; 576 { 577 struct union_node unode, *up = &unode; 578 579 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 580 581 (void)printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 582 (u_long)(void *)up->un_lowervp); 583 return (0); 584 } 585 586 /* 587 * Given a pointer to a mount structure in kernel space, 588 * read it in and return a usable pointer to it. 589 */ 590 struct mount * 591 getmnt(maddr) 592 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(mp) 615 struct mount *mp; 616 { 617 int flags; 618 const char *type; 619 620 #define ST mp->mnt_stat 621 (void)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 (void)printf("%s%s", sep, mnt_flags[i].m_name); 630 flags &= ~mnt_flags[i].m_flag; 631 sep = ","; 632 } 633 } 634 if (flags) 635 (void)printf("%sunknown_flags:%x", sep, flags); 636 (void)printf(")"); 637 } 638 (void)printf("\n"); 639 #undef ST 640 } 641 642 struct e_vnode * 643 loadvnodes(avnodes) 644 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(avnodes) 676 int *avnodes; 677 { 678 struct mntlist mountlist; 679 struct mount *mp, mount, *mp_next; 680 struct vnode *vp, vnode, *vp_next; 681 char *vbuf, *evbuf, *bp; 682 int num, numvnodes; 683 684 #define VPTRSZ sizeof(struct vnode *) 685 #define VNODESZ sizeof(struct vnode) 686 687 KGET(V_NUMV, numvnodes); 688 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 689 errx(1, "malloc"); 690 bp = vbuf; 691 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 692 KGET(V_MOUNTLIST, mountlist); 693 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 694 KGET2(mp, &mount, sizeof(mount), "mount entry"); 695 mp_next = TAILQ_NEXT(&mount, mnt_list); 696 for (vp = TAILQ_FIRST(&mount.mnt_nvnodelist); 697 vp != NULL; vp = vp_next) { 698 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 699 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 700 if ((bp + VPTRSZ + VNODESZ) > evbuf) 701 /* XXX - should realloc */ 702 errx(1, "no more room for vnodes"); 703 memmove(bp, &vp, VPTRSZ); 704 bp += VPTRSZ; 705 memmove(bp, &vnode, VNODESZ); 706 bp += VNODESZ; 707 num++; 708 } 709 if (mp == TAILQ_LAST(&mountlist, mntlist)) 710 break; 711 } 712 *avnodes = num; 713 return ((struct e_vnode *)vbuf); 714 } 715 716 char hdr[] = 717 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 718 int ttyspace = 128; 719 720 void 721 ttymode() 722 { 723 struct tty *tty; 724 struct tty ttyb[1000]; 725 int error; 726 size_t len, i; 727 728 (void)printf(hdr); 729 len = sizeof(ttyb); 730 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 731 if (!error) { 732 len /= sizeof(ttyb[0]); 733 for (i = 0; i < len; i++) { 734 ttyprt(&ttyb[i], 0); 735 } 736 } 737 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 738 errx(1, "malloc"); 739 if (nl[SCONS].n_type != 0) { 740 (void)printf("1 console\n"); 741 KGET(SCONS, *tty); 742 ttyprt(&tty[0], 0); 743 } 744 #ifdef __FreeBSD__ 745 if (nl[NSCCONS].n_type != 0) 746 ttytype(tty, "vty", SCCONS, NSCCONS, 0); 747 if (nl[NSIO].n_type != 0) 748 ttytype(tty, "sio", SIO, NSIO, 0); 749 if (nl[NRC].n_type != 0) 750 ttytype(tty, "rc", RC, NRC, 0); 751 if (nl[NCY].n_type != 0) 752 ttytype(tty, "cy", CY, NCY, 0); 753 if (nl[NSI].n_type != 0) 754 ttytype(tty, "si", SI, NSI, 1); 755 #endif 756 if (nl[SNPTY].n_type != 0) 757 ttytype(tty, "pty", SPTY, SNPTY, 0); 758 } 759 760 void 761 ttytype(tty, name, type, number, indir) 762 struct tty *tty; 763 char *name; 764 int type, number, indir; 765 { 766 struct tty *tp; 767 int ntty; 768 struct tty **ttyaddr; 769 770 if (tty == NULL) 771 return; 772 KGET(number, ntty); 773 (void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 774 if (ntty > ttyspace) { 775 ttyspace = ntty; 776 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 777 errx(1, "realloc"); 778 } 779 if (indir) { 780 KGET(type, ttyaddr); 781 KGET2(ttyaddr, tty, ntty * sizeof(struct tty), "tty structs"); 782 } else { 783 KGET1(type, tty, ntty * sizeof(struct tty), "tty structs"); 784 } 785 (void)printf(hdr); 786 for (tp = tty; tp < &tty[ntty]; tp++) 787 ttyprt(tp, tp - tty); 788 } 789 790 struct { 791 int flag; 792 char val; 793 } ttystates[] = { 794 #ifdef TS_WOPEN 795 { TS_WOPEN, 'W'}, 796 #endif 797 { TS_ISOPEN, 'O'}, 798 { TS_CARR_ON, 'C'}, 799 #ifdef TS_CONNECTED 800 { TS_CONNECTED, 'c'}, 801 #endif 802 { TS_TIMEOUT, 'T'}, 803 { TS_FLUSH, 'F'}, 804 { TS_BUSY, 'B'}, 805 #ifdef TS_ASLEEP 806 { TS_ASLEEP, 'A'}, 807 #endif 808 #ifdef TS_SO_OLOWAT 809 { TS_SO_OLOWAT, 'A'}, 810 #endif 811 #ifdef TS_SO_OCOMPLETE 812 { TS_SO_OCOMPLETE, 'a'}, 813 #endif 814 { TS_XCLUDE, 'X'}, 815 { TS_TTSTOP, 'S'}, 816 #ifdef TS_CAR_OFLOW 817 { TS_CAR_OFLOW, 'm'}, 818 #endif 819 #ifdef TS_CTS_OFLOW 820 { TS_CTS_OFLOW, 'o'}, 821 #endif 822 #ifdef TS_DSR_OFLOW 823 { TS_DSR_OFLOW, 'd'}, 824 #endif 825 { TS_TBLOCK, 'K'}, 826 { TS_ASYNC, 'Y'}, 827 { TS_BKSL, 'D'}, 828 { TS_ERASE, 'E'}, 829 { TS_LNCH, 'L'}, 830 { TS_TYPEN, 'P'}, 831 { TS_CNTTB, 'N'}, 832 #ifdef TS_CAN_BYPASS_L_RINT 833 { TS_CAN_BYPASS_L_RINT, 'l'}, 834 #endif 835 #ifdef TS_SNOOP 836 { TS_SNOOP, 's'}, 837 #endif 838 #ifdef TS_ZOMBIE 839 { TS_ZOMBIE, 'Z'}, 840 #endif 841 { 0, '\0'}, 842 }; 843 844 void 845 ttyprt(tp, line) 846 struct tty *tp; 847 int line; 848 { 849 int i, j; 850 pid_t pgid; 851 char *name, state[20]; 852 853 if (usenumflag || tp->t_dev == 0 || 854 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 855 (void)printf("%7d ", line); 856 else 857 (void)printf("%7s ", name); 858 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 859 (void)printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 860 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 861 tp->t_column); 862 for (i = j = 0; ttystates[i].flag; i++) 863 if (tp->t_state&ttystates[i].flag) 864 state[j++] = ttystates[i].val; 865 if (j == 0) 866 state[j++] = '-'; 867 state[j] = '\0'; 868 (void)printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 869 pgid = 0; 870 if (tp->t_pgrp != NULL) 871 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 872 (void)printf("%6d ", pgid); 873 switch (tp->t_line) { 874 case TTYDISC: 875 (void)printf("term\n"); 876 break; 877 case NTTYDISC: 878 (void)printf("ntty\n"); 879 break; 880 case SLIPDISC: 881 (void)printf("slip\n"); 882 break; 883 case PPPDISC: 884 (void)printf("ppp\n"); 885 break; 886 default: 887 (void)printf("%d\n", tp->t_line); 888 break; 889 } 890 } 891 892 void 893 filemode() 894 { 895 struct file *fp; 896 struct file *addr; 897 char *buf, flagbuf[16], *fbp; 898 int len, maxfile, nfile; 899 static char *dtypes[] = { "???", "inode", "socket" }; 900 901 KGET(FNL_MAXFILE, maxfile); 902 if (totalflag) { 903 KGET(FNL_NFILE, nfile); 904 (void)printf("%3d/%3d files\n", nfile, maxfile); 905 return; 906 } 907 if (getfiles(&buf, &len) == -1) 908 return; 909 /* 910 * Getfiles returns in malloc'd memory a pointer to the first file 911 * structure, and then an array of file structs (whose addresses are 912 * derivable from the previous entry). 913 */ 914 addr = ((struct filelist *)buf)->lh_first; 915 fp = (struct file *)(buf + sizeof(struct filelist)); 916 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 917 918 (void)printf("%d/%d open files\n", nfile, maxfile); 919 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 920 for (; (char *)fp < buf + len; addr = fp->f_list.le_next, fp++) { 921 if ((unsigned)fp->f_type > DTYPE_SOCKET) 922 continue; 923 (void)printf("%8lx ", (u_long)(void *)addr); 924 (void)printf("%-8.8s", dtypes[fp->f_type]); 925 fbp = flagbuf; 926 if (fp->f_flag & FREAD) 927 *fbp++ = 'R'; 928 if (fp->f_flag & FWRITE) 929 *fbp++ = 'W'; 930 if (fp->f_flag & FAPPEND) 931 *fbp++ = 'A'; 932 #ifdef FSHLOCK /* currently gone */ 933 if (fp->f_flag & FSHLOCK) 934 *fbp++ = 'S'; 935 if (fp->f_flag & FEXLOCK) 936 *fbp++ = 'X'; 937 #endif 938 if (fp->f_flag & FASYNC) 939 *fbp++ = 'I'; 940 *fbp = '\0'; 941 (void)printf("%6s %3d", flagbuf, fp->f_count); 942 (void)printf(" %3d", fp->f_msgcount); 943 (void)printf(" %8lx", (u_long)(void *)fp->f_data); 944 if (fp->f_offset < 0) 945 (void)printf(" %qx\n", fp->f_offset); 946 else 947 (void)printf(" %qd\n", fp->f_offset); 948 } 949 free(buf); 950 } 951 952 int 953 getfiles(abuf, alen) 954 char **abuf; 955 int *alen; 956 { 957 size_t len; 958 int mib[2]; 959 char *buf; 960 961 /* 962 * XXX 963 * Add emulation of KINFO_FILE here. 964 */ 965 if (memf != NULL) 966 errx(1, "files on dead kernel, not implemented"); 967 968 mib[0] = CTL_KERN; 969 mib[1] = KERN_FILE; 970 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 971 warn("sysctl: KERN_FILE"); 972 return (-1); 973 } 974 if ((buf = malloc(len)) == NULL) 975 errx(1, "malloc"); 976 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 977 warn("sysctl: KERN_FILE"); 978 return (-1); 979 } 980 *abuf = buf; 981 *alen = len; 982 return (0); 983 } 984 985 /* 986 * swapmode is based on a program called swapinfo written 987 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 988 */ 989 void 990 swapmode(void) 991 { 992 struct kvm_swap kswap[16]; 993 int i; 994 int n; 995 int pagesize = getpagesize(); 996 const char *header; 997 int hlen; 998 long blocksize; 999 1000 n = kvm_getswapinfo( 1001 kd, 1002 kswap, 1003 sizeof(kswap)/sizeof(kswap[0]), 1004 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 1005 ); 1006 1007 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 1008 1009 header = getbsize(&hlen, &blocksize); 1010 if (totalflag == 0) { 1011 (void)printf("%-15s %*s %8s %8s %8s %s\n", 1012 "Device", hlen, header, 1013 "Used", "Avail", "Capacity", "Type"); 1014 1015 for (i = 0; i < n; ++i) { 1016 (void)printf( 1017 "%-15s %*d ", 1018 kswap[i].ksw_devname, 1019 hlen, 1020 CONVERT(kswap[i].ksw_total) 1021 ); 1022 (void)printf( 1023 "%8d %8d %5.0f%% %s\n", 1024 CONVERT(kswap[i].ksw_used), 1025 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 1026 (double)kswap[i].ksw_used * 100.0 / 1027 (double)kswap[i].ksw_total, 1028 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 1029 "Sequential" : "Interleaved" 1030 ); 1031 } 1032 } 1033 1034 if (totalflag) { 1035 blocksize = 1024 * 1024; 1036 1037 (void)printf( 1038 "%dM/%dM swap space\n", 1039 CONVERT(kswap[n].ksw_used), 1040 CONVERT(kswap[n].ksw_total) 1041 ); 1042 } else if (n > 1) { 1043 (void)printf( 1044 "%-15s %*d %8d %8d %5.0f%%\n", 1045 "Total", 1046 hlen, 1047 CONVERT(kswap[n].ksw_total), 1048 CONVERT(kswap[n].ksw_used), 1049 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 1050 (double)kswap[n].ksw_used * 100.0 / 1051 (double)kswap[n].ksw_total 1052 ); 1053 } 1054 } 1055