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 1.8 2004/10/08 09:53:02 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 __DragonFly__ 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(void); 187 int getfiles(char **, int *); 188 struct mount * 189 getmnt(struct mount *); 190 struct e_vnode * 191 kinfo_vnodes(int *); 192 struct e_vnode * 193 loadvnodes(int *); 194 void mount_print(struct mount *); 195 void nfs_header(void); 196 int nfs_print(struct vnode *); 197 void swapmode(void); 198 void ttymode(void); 199 void ttyprt(struct tty *, int); 200 void ttytype(struct tty *, char *, int, int, int); 201 void ufs_header(void); 202 int ufs_print(struct vnode *); 203 void union_header(void); 204 int union_print(struct vnode *); 205 static void usage(void); 206 void vnode_header(void); 207 void vnode_print(struct vnode *, struct vnode *); 208 void vnodemode(void); 209 210 int 211 main(int argc, char **argv) 212 { 213 int ch, i, quit, ret; 214 int fileflag, ttyflag, vnodeflag; 215 char buf[_POSIX2_LINE_MAX],*opts; 216 217 fileflag = swapflag = ttyflag = vnodeflag = 0; 218 219 /* We will behave like good old swapinfo if thus invoked */ 220 opts = strrchr(argv[0],'/'); 221 if (opts) 222 opts++; 223 else 224 opts = argv[0]; 225 if (!strcmp(opts,"swapinfo")) { 226 swapflag = 1; 227 opts = "kM:N:"; 228 usagestr = "swapinfo [-k] [-M core] [-N system]"; 229 } else { 230 opts = "TM:N:fiknstv"; 231 usagestr = "pstat [-Tfknst] [-M core] [-N system]"; 232 } 233 234 while ((ch = getopt(argc, argv, opts)) != -1) 235 switch (ch) { 236 case 'f': 237 fileflag = 1; 238 break; 239 case 'k': 240 putenv("BLOCKSIZE=1K"); 241 break; 242 case 'M': 243 memf = optarg; 244 break; 245 case 'N': 246 nlistf = optarg; 247 break; 248 case 'n': 249 usenumflag = 1; 250 break; 251 case 's': 252 ++swapflag; 253 break; 254 case 'T': 255 totalflag = 1; 256 break; 257 case 't': 258 ttyflag = 1; 259 break; 260 case 'v': 261 case 'i': /* Backward compatibility. */ 262 errx(1, "vnode mode not supported"); 263 #if 0 264 vnodeflag = 1; 265 break; 266 #endif 267 default: 268 usage(); 269 } 270 argc -= optind; 271 argv += optind; 272 273 /* 274 * Discard setgid privileges if not the running kernel so that bad 275 * guys can't print interesting stuff from kernel memory. 276 */ 277 if (nlistf != NULL || memf != NULL) 278 (void)setgid(getgid()); 279 280 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 281 errx(1, "kvm_openfiles: %s", buf); 282 if ((ret = kvm_nlist(kd, nl)) != 0) { 283 if (ret == -1) 284 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 285 for (i = NLMANDATORYBEG, quit = 0; i <= NLMANDATORYEND; i++) 286 if (!nl[i].n_value) { 287 quit = 1; 288 warnx("undefined symbol: %s", nl[i].n_name); 289 } 290 if (quit) 291 exit(1); 292 } 293 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 294 usage(); 295 if (fileflag || totalflag) 296 filemode(); 297 if (vnodeflag) 298 vnodemode(); 299 if (ttyflag) 300 ttymode(); 301 if (swapflag || totalflag) 302 swapmode(); 303 exit (0); 304 } 305 306 static void 307 usage(void) 308 { 309 fprintf(stderr, "usage: %s\n", usagestr); 310 exit (1); 311 } 312 313 struct e_vnode { 314 struct vnode *avnode; 315 struct vnode vnode; 316 }; 317 318 void 319 vnodemode(void) 320 { 321 struct e_vnode *e_vnodebase, *endvnode, *evp; 322 struct vnode *vp; 323 struct mount *maddr, *mp; 324 int numvnodes; 325 326 e_vnodebase = loadvnodes(&numvnodes); 327 if (totalflag) { 328 (void)printf("%7d vnodes\n", numvnodes); 329 return; 330 } 331 endvnode = e_vnodebase + numvnodes; 332 (void)printf("%d active vnodes\n", numvnodes); 333 334 335 #define ST mp->mnt_stat 336 maddr = NULL; 337 for (evp = e_vnodebase; evp < endvnode; evp++) { 338 vp = &evp->vnode; 339 if (vp->v_mount != maddr) { 340 /* 341 * New filesystem 342 */ 343 if ((mp = getmnt(vp->v_mount)) == NULL) 344 continue; 345 maddr = vp->v_mount; 346 mount_print(mp); 347 vnode_header(); 348 if (!strcmp(ST.f_fstypename, "ufs") || 349 !strcmp(ST.f_fstypename, "mfs")) 350 ufs_header(); 351 else if (!strcmp(ST.f_fstypename, "nfs")) 352 nfs_header(); 353 else if (!strcmp(ST.f_fstypename, "union")) 354 union_header(); 355 (void)printf("\n"); 356 } 357 vnode_print(evp->avnode, vp); 358 if (!strcmp(ST.f_fstypename, "ufs") || 359 !strcmp(ST.f_fstypename, "mfs")) 360 ufs_print(vp); 361 else if (!strcmp(ST.f_fstypename, "nfs")) 362 nfs_print(vp); 363 else if (!strcmp(ST.f_fstypename, "union")) 364 union_print(vp); 365 (void)printf("\n"); 366 } 367 free(e_vnodebase); 368 } 369 370 void 371 vnode_header(void) 372 { 373 (void)printf("ADDR TYP VFLAG USE HOLD"); 374 } 375 376 void 377 vnode_print(struct vnode *avnode, struct vnode *vp) 378 { 379 char *type, flags[32]; 380 char *fp = flags; 381 int flag; 382 383 /* 384 * set type 385 */ 386 switch (vp->v_type) { 387 case VNON: 388 type = "non"; break; 389 case VREG: 390 type = "reg"; break; 391 case VDIR: 392 type = "dir"; break; 393 case VBLK: 394 type = "blk"; break; 395 case VCHR: 396 type = "chr"; break; 397 case VLNK: 398 type = "lnk"; break; 399 case VSOCK: 400 type = "soc"; break; 401 case VFIFO: 402 type = "fif"; break; 403 case VBAD: 404 type = "bad"; break; 405 default: 406 type = "unk"; break; 407 } 408 /* 409 * gather flags 410 */ 411 flag = vp->v_flag; 412 if (flag & VROOT) 413 *fp++ = 'R'; 414 if (flag & VTEXT) 415 *fp++ = 'T'; 416 if (flag & VSYSTEM) 417 *fp++ = 'S'; 418 if (flag & VISTTY) 419 *fp++ = 't'; 420 #ifdef VXLOCK 421 if (flag & VXLOCK) 422 *fp++ = 'L'; 423 if (flag & VXWANT) 424 *fp++ = 'W'; 425 #endif 426 if (flag & VBWAIT) 427 *fp++ = 'B'; 428 if (flag & VOBJBUF) 429 *fp++ = 'V'; 430 if (flag & VAGE) 431 *fp++ = 'a'; 432 if (flag & VOLOCK) 433 *fp++ = 'l'; 434 if (flag & VOWANT) 435 *fp++ = 'w'; 436 #ifdef VDOOMED 437 if (flag & VDOOMED) 438 *fp++ = 'D'; 439 #endif 440 if (flag & VFREE) 441 *fp++ = 'F'; 442 if (flag & VONWORKLST) 443 *fp++ = 'O'; 444 if (flag & VMOUNT) 445 *fp++ = 'M'; 446 #ifdef VRECLAIMED 447 if (flag & VINACTIVE) 448 *fp++ = 'I'; 449 if (flag & VRECLAIMED) 450 *fp++ = 'X'; 451 #endif 452 453 if (flag == 0) 454 *fp++ = '-'; 455 *fp = '\0'; 456 (void)printf("%8lx %s %5s %4d %4d", 457 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 458 } 459 460 void 461 ufs_header(void) 462 { 463 (void)printf(" FILEID IFLAG RDEV|SZ"); 464 } 465 466 int 467 ufs_print(struct vnode *vp) 468 { 469 int flag; 470 struct inode inode, *ip = &inode; 471 char flagbuf[16], *flags = flagbuf; 472 char *name; 473 mode_t type; 474 475 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 476 flag = ip->i_flag; 477 if (flag & IN_ACCESS) 478 *flags++ = 'A'; 479 if (flag & IN_CHANGE) 480 *flags++ = 'C'; 481 if (flag & IN_UPDATE) 482 *flags++ = 'U'; 483 if (flag & IN_MODIFIED) 484 *flags++ = 'M'; 485 if (flag & IN_RENAME) 486 *flags++ = 'R'; 487 if (flag & IN_SHLOCK) 488 *flags++ = 'S'; 489 if (flag & IN_EXLOCK) 490 *flags++ = 'E'; 491 if (flag & IN_HASHED) 492 *flags++ = 'H'; 493 if (flag & IN_LAZYMOD) 494 *flags++ = 'L'; 495 if (flag == 0) 496 *flags++ = '-'; 497 *flags = '\0'; 498 499 (void)printf(" %6d %5s", ip->i_number, flagbuf); 500 type = ip->i_mode & S_IFMT; 501 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 502 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 503 (void)printf(" %2d,%-2d", 504 major(ip->i_rdev), minor(ip->i_rdev)); 505 else 506 (void)printf(" %7s", name); 507 else 508 (void)printf(" %7qd", ip->i_size); 509 return (0); 510 } 511 512 void 513 nfs_header(void) 514 { 515 (void)printf(" FILEID NFLAG RDEV|SZ"); 516 } 517 518 int 519 nfs_print(struct vnode *vp) 520 { 521 struct nfsnode nfsnode, *np = &nfsnode; 522 char flagbuf[16], *flags = flagbuf; 523 int flag; 524 char *name; 525 mode_t type; 526 527 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 528 flag = np->n_flag; 529 if (flag & NFLUSHWANT) 530 *flags++ = 'W'; 531 if (flag & NFLUSHINPROG) 532 *flags++ = 'P'; 533 if (flag & NMODIFIED) 534 *flags++ = 'M'; 535 if (flag & NWRITEERR) 536 *flags++ = 'E'; 537 if (flag & NQNFSNONCACHE) 538 *flags++ = 'X'; 539 if (flag & NQNFSWRITE) 540 *flags++ = 'O'; 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 (void)printf(" %6ld %5s", 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_rdev, type)) == NULL)) 562 (void)printf(" %2d,%-2d", 563 major(VT.va_rdev), minor(VT.va_rdev)); 564 else 565 (void)printf(" %7s", name); 566 else 567 (void)printf(" %7qd", np->n_size); 568 return (0); 569 } 570 571 void 572 union_header(void) 573 { 574 (void)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 (void)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 const char *type; 620 621 #define ST mp->mnt_stat 622 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 623 ST.f_mntfromname, ST.f_mntonname); 624 if ((flags = mp->mnt_flag)) { 625 int i; 626 const char *sep = " ("; 627 628 for (i = 0; mnt_flags[i].m_flag; i++) { 629 if (flags & mnt_flags[i].m_flag) { 630 (void)printf("%s%s", sep, mnt_flags[i].m_name); 631 flags &= ~mnt_flags[i].m_flag; 632 sep = ","; 633 } 634 } 635 if (flags) 636 (void)printf("%sunknown_flags:%x", sep, flags); 637 (void)printf(")"); 638 } 639 (void)printf("\n"); 640 #undef ST 641 } 642 643 struct e_vnode * 644 loadvnodes(int *avnodes) 645 { 646 int mib[2]; 647 size_t copysize; 648 struct e_vnode *vnodebase; 649 650 if (memf != NULL) { 651 /* 652 * do it by hand 653 */ 654 return (kinfo_vnodes(avnodes)); 655 } 656 mib[0] = CTL_KERN; 657 mib[1] = KERN_VNODE; 658 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 659 err(1, "sysctl: KERN_VNODE"); 660 if ((vnodebase = malloc(copysize)) == NULL) 661 errx(1, "malloc"); 662 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 663 err(1, "sysctl: KERN_VNODE"); 664 if (copysize % sizeof(struct e_vnode)) 665 errx(1, "vnode size mismatch"); 666 *avnodes = copysize / sizeof(struct e_vnode); 667 668 return (vnodebase); 669 } 670 671 /* 672 * simulate what a running kernel does in in kinfo_vnode 673 */ 674 struct e_vnode * 675 kinfo_vnodes(int *avnodes) 676 { 677 struct mntlist mountlist; 678 struct mount *mp, mount, *mp_next; 679 struct vnode *vp, vnode, *vp_next; 680 char *vbuf, *evbuf, *bp; 681 int num, numvnodes; 682 683 #define VPTRSZ sizeof(struct vnode *) 684 #define VNODESZ sizeof(struct vnode) 685 686 KGET(V_NUMV, numvnodes); 687 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 688 errx(1, "malloc"); 689 bp = vbuf; 690 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 691 KGET(V_MOUNTLIST, mountlist); 692 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 693 KGET2(mp, &mount, sizeof(mount), "mount entry"); 694 mp_next = TAILQ_NEXT(&mount, mnt_list); 695 for (vp = TAILQ_FIRST(&mount.mnt_nvnodelist); 696 vp != NULL; vp = vp_next) { 697 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 698 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 699 if ((bp + VPTRSZ + VNODESZ) > evbuf) 700 /* XXX - should realloc */ 701 errx(1, "no more room for vnodes"); 702 memmove(bp, &vp, VPTRSZ); 703 bp += VPTRSZ; 704 memmove(bp, &vnode, VNODESZ); 705 bp += VNODESZ; 706 num++; 707 } 708 if (mp == TAILQ_LAST(&mountlist, mntlist)) 709 break; 710 } 711 *avnodes = num; 712 return ((struct e_vnode *)vbuf); 713 } 714 715 char hdr[] = 716 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 717 int ttyspace = 128; 718 719 void 720 ttymode(void) 721 { 722 struct tty *tty; 723 struct tty ttyb[1000]; 724 int error; 725 size_t len, i; 726 727 (void)printf(hdr); 728 len = sizeof(ttyb); 729 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 730 if (!error) { 731 len /= sizeof(ttyb[0]); 732 for (i = 0; i < len; i++) { 733 ttyprt(&ttyb[i], 0); 734 } 735 } 736 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 737 errx(1, "malloc"); 738 if (nl[SCONS].n_type != 0) { 739 (void)printf("1 console\n"); 740 KGET(SCONS, *tty); 741 ttyprt(&tty[0], 0); 742 } 743 #ifdef __DragonFly__ 744 if (nl[NSCCONS].n_type != 0) 745 ttytype(tty, "vty", SCCONS, NSCCONS, 0); 746 if (nl[NSIO].n_type != 0) 747 ttytype(tty, "sio", SIO, NSIO, 0); 748 if (nl[NRC].n_type != 0) 749 ttytype(tty, "rc", RC, NRC, 0); 750 if (nl[NCY].n_type != 0) 751 ttytype(tty, "cy", CY, NCY, 0); 752 if (nl[NSI].n_type != 0) 753 ttytype(tty, "si", SI, NSI, 1); 754 #endif 755 if (nl[SNPTY].n_type != 0) 756 ttytype(tty, "pty", SPTY, SNPTY, 0); 757 } 758 759 void 760 ttytype(struct tty *tty, char *name, int type, int number, int indir) 761 { 762 struct tty *tp; 763 int ntty; 764 struct tty **ttyaddr; 765 766 if (tty == NULL) 767 return; 768 KGET(number, ntty); 769 (void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 770 if (ntty > ttyspace) { 771 ttyspace = ntty; 772 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 773 errx(1, "realloc"); 774 } 775 if (indir) { 776 KGET(type, ttyaddr); 777 KGET2(ttyaddr, tty, ntty * sizeof(struct tty), "tty structs"); 778 } else { 779 KGET1(type, tty, ntty * sizeof(struct tty), "tty structs"); 780 } 781 (void)printf(hdr); 782 for (tp = tty; tp < &tty[ntty]; tp++) 783 ttyprt(tp, tp - tty); 784 } 785 786 struct { 787 int flag; 788 char val; 789 } ttystates[] = { 790 #ifdef TS_WOPEN 791 { TS_WOPEN, 'W'}, 792 #endif 793 { TS_ISOPEN, 'O'}, 794 { TS_CARR_ON, 'C'}, 795 #ifdef TS_CONNECTED 796 { TS_CONNECTED, 'c'}, 797 #endif 798 { TS_TIMEOUT, 'T'}, 799 { TS_FLUSH, 'F'}, 800 { TS_BUSY, 'B'}, 801 #ifdef TS_ASLEEP 802 { TS_ASLEEP, 'A'}, 803 #endif 804 #ifdef TS_SO_OLOWAT 805 { TS_SO_OLOWAT, 'A'}, 806 #endif 807 #ifdef TS_SO_OCOMPLETE 808 { TS_SO_OCOMPLETE, 'a'}, 809 #endif 810 { TS_XCLUDE, 'X'}, 811 { TS_TTSTOP, 'S'}, 812 #ifdef TS_CAR_OFLOW 813 { TS_CAR_OFLOW, 'm'}, 814 #endif 815 #ifdef TS_CTS_OFLOW 816 { TS_CTS_OFLOW, 'o'}, 817 #endif 818 #ifdef TS_DSR_OFLOW 819 { TS_DSR_OFLOW, 'd'}, 820 #endif 821 { TS_TBLOCK, 'K'}, 822 { TS_ASYNC, 'Y'}, 823 { TS_BKSL, 'D'}, 824 { TS_ERASE, 'E'}, 825 { TS_LNCH, 'L'}, 826 { TS_TYPEN, 'P'}, 827 { TS_CNTTB, 'N'}, 828 #ifdef TS_CAN_BYPASS_L_RINT 829 { TS_CAN_BYPASS_L_RINT, 'l'}, 830 #endif 831 #ifdef TS_SNOOP 832 { TS_SNOOP, 's'}, 833 #endif 834 #ifdef TS_ZOMBIE 835 { TS_ZOMBIE, 'Z'}, 836 #endif 837 { 0, '\0'}, 838 }; 839 840 void 841 ttyprt(struct tty *tp, int line) 842 { 843 int i, j; 844 pid_t pgid; 845 char *name, state[20]; 846 847 if (usenumflag || tp->t_dev == 0 || 848 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 849 (void)printf("%7d ", line); 850 else 851 (void)printf("%7s ", name); 852 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 853 (void)printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 854 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 855 tp->t_column); 856 for (i = j = 0; ttystates[i].flag; i++) 857 if (tp->t_state&ttystates[i].flag) 858 state[j++] = ttystates[i].val; 859 if (j == 0) 860 state[j++] = '-'; 861 state[j] = '\0'; 862 (void)printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 863 pgid = 0; 864 if (tp->t_pgrp != NULL) 865 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 866 (void)printf("%6d ", pgid); 867 switch (tp->t_line) { 868 case TTYDISC: 869 (void)printf("term\n"); 870 break; 871 case NTTYDISC: 872 (void)printf("ntty\n"); 873 break; 874 case SLIPDISC: 875 (void)printf("slip\n"); 876 break; 877 case PPPDISC: 878 (void)printf("ppp\n"); 879 break; 880 default: 881 (void)printf("%d\n", tp->t_line); 882 break; 883 } 884 } 885 886 void 887 filemode(void) 888 { 889 struct file *fp; 890 struct file *addr; 891 char *buf, flagbuf[16], *fbp; 892 int len, maxfile, nfile; 893 static char *dtypes[] = { "???", "inode", "socket" }; 894 895 KGET(FNL_MAXFILE, maxfile); 896 if (totalflag) { 897 KGET(FNL_NFILE, nfile); 898 (void)printf("%3d/%3d files\n", nfile, maxfile); 899 return; 900 } 901 if (getfiles(&buf, &len) == -1) 902 return; 903 /* 904 * Getfiles returns in malloc'd memory a pointer to the first file 905 * structure, and then an array of file structs (whose addresses are 906 * derivable from the previous entry). 907 */ 908 addr = ((struct filelist *)buf)->lh_first; 909 fp = (struct file *)(buf + sizeof(struct filelist)); 910 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 911 912 (void)printf("%d/%d open files\n", nfile, maxfile); 913 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 914 for (; (char *)fp < buf + len; addr = fp->f_list.le_next, fp++) { 915 if ((unsigned)fp->f_type > DTYPE_SOCKET) 916 continue; 917 (void)printf("%8lx ", (u_long)(void *)addr); 918 (void)printf("%-8.8s", dtypes[fp->f_type]); 919 fbp = flagbuf; 920 if (fp->f_flag & FREAD) 921 *fbp++ = 'R'; 922 if (fp->f_flag & FWRITE) 923 *fbp++ = 'W'; 924 if (fp->f_flag & FAPPEND) 925 *fbp++ = 'A'; 926 #ifdef FSHLOCK /* currently gone */ 927 if (fp->f_flag & FSHLOCK) 928 *fbp++ = 'S'; 929 if (fp->f_flag & FEXLOCK) 930 *fbp++ = 'X'; 931 #endif 932 if (fp->f_flag & FASYNC) 933 *fbp++ = 'I'; 934 *fbp = '\0'; 935 (void)printf("%6s %3d", flagbuf, fp->f_count); 936 (void)printf(" %3d", fp->f_msgcount); 937 (void)printf(" %8lx", (u_long)(void *)fp->f_data); 938 if (fp->f_offset < 0) 939 (void)printf(" %qx\n", fp->f_offset); 940 else 941 (void)printf(" %qd\n", fp->f_offset); 942 } 943 free(buf); 944 } 945 946 int 947 getfiles(char **abuf, int *alen) 948 { 949 size_t len; 950 int mib[2]; 951 char *buf; 952 953 /* 954 * XXX 955 * Add emulation of KINFO_FILE here. 956 */ 957 if (memf != NULL) 958 errx(1, "files on dead kernel, not implemented"); 959 960 mib[0] = CTL_KERN; 961 mib[1] = KERN_FILE; 962 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 963 warn("sysctl: KERN_FILE"); 964 return (-1); 965 } 966 if ((buf = malloc(len)) == NULL) 967 errx(1, "malloc"); 968 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 969 warn("sysctl: KERN_FILE"); 970 return (-1); 971 } 972 *abuf = buf; 973 *alen = len; 974 return (0); 975 } 976 977 /* 978 * swapmode is based on a program called swapinfo written 979 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 980 */ 981 void 982 swapmode(void) 983 { 984 struct kvm_swap kswap[16]; 985 int i; 986 int n; 987 int pagesize = getpagesize(); 988 const char *header; 989 int hlen; 990 long blocksize; 991 992 n = kvm_getswapinfo( 993 kd, 994 kswap, 995 sizeof(kswap)/sizeof(kswap[0]), 996 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 997 ); 998 999 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 1000 1001 header = getbsize(&hlen, &blocksize); 1002 if (totalflag == 0) { 1003 (void)printf("%-15s %*s %8s %8s %8s %s\n", 1004 "Device", hlen, header, 1005 "Used", "Avail", "Capacity", "Type"); 1006 1007 for (i = 0; i < n; ++i) { 1008 (void)printf( 1009 "%-15s %*d ", 1010 kswap[i].ksw_devname, 1011 hlen, 1012 CONVERT(kswap[i].ksw_total) 1013 ); 1014 (void)printf( 1015 "%8d %8d %5.0f%% %s\n", 1016 CONVERT(kswap[i].ksw_used), 1017 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 1018 (double)kswap[i].ksw_used * 100.0 / 1019 (double)kswap[i].ksw_total, 1020 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 1021 "Sequential" : "Interleaved" 1022 ); 1023 } 1024 } 1025 1026 if (totalflag) { 1027 blocksize = 1024 * 1024; 1028 1029 (void)printf( 1030 "%dM/%dM swap space\n", 1031 CONVERT(kswap[n].ksw_used), 1032 CONVERT(kswap[n].ksw_total) 1033 ); 1034 } else if (n > 1) { 1035 (void)printf( 1036 "%-15s %*d %8d %8d %5.0f%%\n", 1037 "Total", 1038 hlen, 1039 CONVERT(kswap[n].ksw_total), 1040 CONVERT(kswap[n].ksw_used), 1041 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 1042 (double)kswap[n].ksw_used * 100.0 / 1043 (double)kswap[n].ksw_total 1044 ); 1045 } 1046 } 1047