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 34 #ifndef lint 35 static const char copyright[] = 36 "@(#) Copyright (c) 1980, 1991, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 #if 0 42 static char sccsid[] = "@(#)pstat.c 8.16 (Berkeley) 5/9/95"; 43 #endif 44 static const char rcsid[] = 45 "$FreeBSD$"; 46 #endif /* not lint */ 47 48 #include <sys/param.h> 49 #include <sys/time.h> 50 #include <sys/vnode.h> 51 #include <sys/ucred.h> 52 #define _KERNEL 53 #include <sys/file.h> 54 #include <ufs/ufs/quota.h> 55 #include <ufs/ufs/inode.h> 56 #include <sys/mount.h> 57 #include <sys/uio.h> 58 #include <sys/namei.h> 59 #include <fs/unionfs/union.h> 60 #undef _KERNEL 61 #include <sys/stat.h> 62 #include <nfs/rpcv2.h> 63 #include <nfs/nfsproto.h> 64 #include <nfs/nfs.h> 65 #include <nfs/nfsnode.h> 66 #include <sys/ioctl.h> 67 #include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 68 #include <sys/tty.h> 69 #include <sys/conf.h> 70 #include <sys/blist.h> 71 72 #include <sys/user.h> 73 #include <sys/sysctl.h> 74 75 #include <err.h> 76 #include <fcntl.h> 77 #include <kvm.h> 78 #include <limits.h> 79 #include <nlist.h> 80 #include <stdio.h> 81 #include <stdlib.h> 82 #include <string.h> 83 #include <unistd.h> 84 85 struct nlist nl[] = { 86 #define NLMANDATORYBEG 0 87 #define V_MOUNTLIST 0 88 { "_mountlist" }, /* address of head of mount list. */ 89 #define V_NUMV 1 90 { "_numvnodes" }, 91 #define FNL_NFILE 2 92 {"_nfiles"}, 93 #define FNL_MAXFILE 3 94 {"_maxfiles"}, 95 #define NLMANDATORYEND FNL_MAXFILE /* names up to here are mandatory */ 96 #define SCONS NLMANDATORYEND + 1 97 { "_cons" }, 98 #define SPTY NLMANDATORYEND + 2 99 { "_pt_tty" }, 100 #define SNPTY NLMANDATORYEND + 3 101 { "_npty" }, 102 103 104 105 #ifdef __FreeBSD__ 106 #define SCCONS (SNPTY+1) 107 { "_sccons" }, 108 #define NSCCONS (SNPTY+2) 109 { "_nsccons" }, 110 #define SIO (SNPTY+3) 111 { "_sio_tty" }, 112 #define NSIO (SNPTY+4) 113 { "_nsio_tty" }, 114 #define RC (SNPTY+5) 115 { "_rc_tty" }, 116 #define NRC (SNPTY+6) 117 { "_nrc_tty" }, 118 #define CY (SNPTY+7) 119 { "_cy_tty" }, 120 #define NCY (SNPTY+8) 121 { "_ncy_tty" }, 122 #define SI (SNPTY+9) 123 { "_si_tty" }, 124 #define NSI (SNPTY+10) 125 { "_si_Nports" }, 126 #endif 127 { "" } 128 }; 129 130 int usenumflag; 131 int totalflag; 132 int swapflag; 133 char *nlistf = NULL; 134 char *memf = NULL; 135 kvm_t *kd; 136 137 char *usagestr; 138 139 struct { 140 int m_flag; 141 const char *m_name; 142 } mnt_flags[] = { 143 { MNT_RDONLY, "rdonly" }, 144 { MNT_SYNCHRONOUS, "sync" }, 145 { MNT_NOEXEC, "noexec" }, 146 { MNT_NOSUID, "nosuid" }, 147 { MNT_NODEV, "nodev" }, 148 { MNT_UNION, "union" }, 149 { MNT_ASYNC, "async" }, 150 { MNT_SUIDDIR, "suiddir" }, 151 { MNT_SOFTDEP, "softdep" }, 152 { MNT_NOSYMFOLLOW, "nosymfollow" }, 153 { MNT_NOATIME, "noatime" }, 154 { MNT_NOCLUSTERR, "noclusterread" }, 155 { MNT_NOCLUSTERW, "noclusterwrite" }, 156 { MNT_EXRDONLY, "exrdonly" }, 157 { MNT_EXPORTED, "exported" }, 158 { MNT_DEFEXPORTED, "defexported" }, 159 { MNT_EXPORTANON, "exportanon" }, 160 { MNT_EXKERB, "exkerb" }, 161 { MNT_EXPUBLIC, "public" }, 162 { MNT_LOCAL, "local" }, 163 { MNT_QUOTA, "quota" }, 164 { MNT_ROOTFS, "rootfs" }, 165 { MNT_USER, "user" }, 166 { MNT_IGNORE, "ignore" }, 167 { MNT_UPDATE, "update" }, 168 { MNT_DELEXPORT, "delexport" }, 169 { MNT_RELOAD, "reload" }, 170 { MNT_FORCE, "force" }, 171 { MNT_SNAPSHOT, "snapshot" }, 172 { 0 } 173 }; 174 175 176 #define SVAR(var) __STRING(var) /* to force expansion */ 177 #define KGET(idx, var) \ 178 KGET1(idx, &var, sizeof(var), SVAR(var)) 179 #define KGET1(idx, p, s, msg) \ 180 KGET2(nl[idx].n_value, p, s, msg) 181 #define KGET2(addr, p, s, msg) \ 182 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 183 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 184 #define KGETN(idx, var) \ 185 KGET1N(idx, &var, sizeof(var), SVAR(var)) 186 #define KGET1N(idx, p, s, msg) \ 187 KGET2N(nl[idx].n_value, p, s, msg) 188 #define KGET2N(addr, p, s, msg) \ 189 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 190 #define KGETRET(addr, p, s, msg) \ 191 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 192 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 193 return (0); \ 194 } 195 196 void filemode __P((void)); 197 int getfiles __P((char **, int *)); 198 struct mount * 199 getmnt __P((struct mount *)); 200 struct e_vnode * 201 kinfo_vnodes __P((int *)); 202 struct e_vnode * 203 loadvnodes __P((int *)); 204 void mount_print __P((struct mount *)); 205 void nfs_header __P((void)); 206 int nfs_print __P((struct vnode *)); 207 void swapmode __P((void)); 208 void ttymode __P((void)); 209 void ttyprt __P((struct tty *, int)); 210 void ttytype __P((struct tty *, char *, int, int, int)); 211 void ufs_header __P((void)); 212 int ufs_print __P((struct vnode *)); 213 void union_header __P((void)); 214 int union_print __P((struct vnode *)); 215 static void usage __P((void)); 216 void vnode_header __P((void)); 217 void vnode_print __P((struct vnode *, struct vnode *)); 218 void vnodemode __P((void)); 219 220 int 221 main(argc, argv) 222 int argc; 223 char *argv[]; 224 { 225 int ch, i, quit, ret; 226 int fileflag, ttyflag, vnodeflag; 227 char buf[_POSIX2_LINE_MAX],*opts; 228 229 fileflag = swapflag = ttyflag = vnodeflag = 0; 230 231 /* We will behave like good old swapinfo if thus invoked */ 232 opts = strrchr(argv[0],'/'); 233 if (opts) 234 opts++; 235 else 236 opts = argv[0]; 237 if (!strcmp(opts,"swapinfo")) { 238 swapflag = 1; 239 opts = "kM:N:"; 240 usagestr = "swapinfo [-k] [-M core] [-N system]"; 241 } else { 242 opts = "TM:N:fiknstv"; 243 usagestr = "pstat [-Tfknstv] [-M core] [-N system]"; 244 } 245 246 while ((ch = getopt(argc, argv, opts)) != -1) 247 switch (ch) { 248 case 'f': 249 fileflag = 1; 250 break; 251 case 'k': 252 putenv("BLOCKSIZE=1K"); 253 break; 254 case 'M': 255 memf = optarg; 256 break; 257 case 'N': 258 nlistf = optarg; 259 break; 260 case 'n': 261 usenumflag = 1; 262 break; 263 case 's': 264 ++swapflag; 265 break; 266 case 'T': 267 totalflag = 1; 268 break; 269 case 't': 270 ttyflag = 1; 271 break; 272 case 'v': 273 case 'i': /* Backward compatibility. */ 274 errx(1, "vnode mode not supported"); 275 #if 0 276 vnodeflag = 1; 277 break; 278 #endif 279 default: 280 usage(); 281 } 282 argc -= optind; 283 argv += optind; 284 285 /* 286 * Discard setgid privileges if not the running kernel so that bad 287 * guys can't print interesting stuff from kernel memory. 288 */ 289 if (nlistf != NULL || memf != NULL) 290 (void)setgid(getgid()); 291 292 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 293 errx(1, "kvm_openfiles: %s", buf); 294 if ((ret = kvm_nlist(kd, nl)) != 0) { 295 if (ret == -1) 296 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 297 for (i = NLMANDATORYBEG, quit = 0; i <= NLMANDATORYEND; i++) 298 if (!nl[i].n_value) { 299 quit = 1; 300 warnx("undefined symbol: %s", nl[i].n_name); 301 } 302 if (quit) 303 exit(1); 304 } 305 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 306 usage(); 307 if (fileflag || totalflag) 308 filemode(); 309 if (vnodeflag) 310 vnodemode(); 311 if (ttyflag) 312 ttymode(); 313 if (swapflag || totalflag) 314 swapmode(); 315 exit (0); 316 } 317 318 static void 319 usage() 320 { 321 fprintf(stderr, "usage: %s\n", usagestr); 322 exit (1); 323 } 324 325 struct e_vnode { 326 struct vnode *avnode; 327 struct vnode vnode; 328 }; 329 330 void 331 vnodemode() 332 { 333 struct e_vnode *e_vnodebase, *endvnode, *evp; 334 struct vnode *vp; 335 struct mount *maddr, *mp; 336 int numvnodes; 337 338 e_vnodebase = loadvnodes(&numvnodes); 339 if (totalflag) { 340 (void)printf("%7d vnodes\n", numvnodes); 341 return; 342 } 343 endvnode = e_vnodebase + numvnodes; 344 (void)printf("%d active vnodes\n", numvnodes); 345 346 347 #define ST mp->mnt_stat 348 maddr = NULL; 349 for (evp = e_vnodebase; evp < endvnode; evp++) { 350 vp = &evp->vnode; 351 if (vp->v_mount != maddr) { 352 /* 353 * New filesystem 354 */ 355 if ((mp = getmnt(vp->v_mount)) == NULL) 356 continue; 357 maddr = vp->v_mount; 358 mount_print(mp); 359 vnode_header(); 360 if (!strcmp(ST.f_fstypename, "ufs")) 361 ufs_header(); 362 else if (!strcmp(ST.f_fstypename, "nfs")) 363 nfs_header(); 364 else if (!strcmp(ST.f_fstypename, "union")) 365 union_header(); 366 (void)printf("\n"); 367 } 368 vnode_print(evp->avnode, vp); 369 if (!strcmp(ST.f_fstypename, "ufs")) 370 ufs_print(vp); 371 else if (!strcmp(ST.f_fstypename, "nfs")) 372 nfs_print(vp); 373 else if (!strcmp(ST.f_fstypename, "union")) 374 union_print(vp); 375 (void)printf("\n"); 376 } 377 free(e_vnodebase); 378 } 379 380 void 381 vnode_header() 382 { 383 (void)printf("ADDR TYP VFLAG USE HOLD"); 384 } 385 386 void 387 vnode_print(avnode, vp) 388 struct vnode *avnode; 389 struct vnode *vp; 390 { 391 char *type, flags[16]; 392 char *fp = flags; 393 int flag; 394 395 /* 396 * set type 397 */ 398 switch (vp->v_type) { 399 case VNON: 400 type = "non"; break; 401 case VREG: 402 type = "reg"; break; 403 case VDIR: 404 type = "dir"; break; 405 case VBLK: 406 type = "blk"; break; 407 case VCHR: 408 type = "chr"; break; 409 case VLNK: 410 type = "lnk"; break; 411 case VSOCK: 412 type = "soc"; break; 413 case VFIFO: 414 type = "fif"; break; 415 case VBAD: 416 type = "bad"; break; 417 default: 418 type = "unk"; break; 419 } 420 /* 421 * gather flags 422 */ 423 flag = vp->v_flag; 424 if (flag & VROOT) 425 *fp++ = 'R'; 426 if (flag & VTEXT) 427 *fp++ = 'T'; 428 if (flag & VSYSTEM) 429 *fp++ = 'S'; 430 if (flag & VISTTY) 431 *fp++ = 't'; 432 if (flag & VXLOCK) 433 *fp++ = 'L'; 434 if (flag & VXWANT) 435 *fp++ = 'W'; 436 if (flag & VBWAIT) 437 *fp++ = 'B'; 438 if (flag & VOBJBUF) 439 *fp++ = 'V'; 440 if (flag & VCOPYONWRITE) 441 *fp++ = 'C'; 442 if (flag & VAGE) 443 *fp++ = 'a'; 444 if (flag & VOLOCK) 445 *fp++ = 'l'; 446 if (flag & VOWANT) 447 *fp++ = 'w'; 448 if (flag & VDOOMED) 449 *fp++ = 'D'; 450 if (flag & VFREE) 451 *fp++ = 'F'; 452 if (flag & VONWORKLST) 453 *fp++ = 'O'; 454 if (flag & VMOUNT) 455 *fp++ = 'M'; 456 457 if (flag == 0) 458 *fp++ = '-'; 459 *fp = '\0'; 460 (void)printf("%8lx %s %5s %4d %4d", 461 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 462 } 463 464 void 465 ufs_header() 466 { 467 (void)printf(" FILEID IFLAG RDEV|SZ"); 468 } 469 470 int 471 ufs_print(vp) 472 struct vnode *vp; 473 { 474 int flag; 475 struct inode inode, *ip = &inode; 476 char flagbuf[16], *flags = flagbuf; 477 char *name; 478 mode_t type; 479 480 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 481 flag = ip->i_flag; 482 if (flag & IN_ACCESS) 483 *flags++ = 'A'; 484 if (flag & IN_CHANGE) 485 *flags++ = 'C'; 486 if (flag & IN_UPDATE) 487 *flags++ = 'U'; 488 if (flag & IN_MODIFIED) 489 *flags++ = 'M'; 490 if (flag & IN_RENAME) 491 *flags++ = 'R'; 492 if (flag & IN_HASHED) 493 *flags++ = 'H'; 494 if (flag & IN_LAZYMOD) 495 *flags++ = 'L'; 496 if (flag == 0) 497 *flags++ = '-'; 498 *flags = '\0'; 499 500 (void)printf(" %6d %5s", ip->i_number, flagbuf); 501 type = ip->i_mode & S_IFMT; 502 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 503 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 504 (void)printf(" %2d,%-2d", 505 major(ip->i_rdev), minor(ip->i_rdev)); 506 else 507 (void)printf(" %7s", name); 508 else 509 (void)printf(" %7qd", ip->i_size); 510 return (0); 511 } 512 513 void 514 nfs_header() 515 { 516 (void)printf(" FILEID NFLAG RDEV|SZ"); 517 } 518 519 int 520 nfs_print(vp) 521 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 & NMODIFIED) 536 *flags++ = 'M'; 537 if (flag & NWRITEERR) 538 *flags++ = 'E'; 539 if (flag & NQNFSNONCACHE) 540 *flags++ = 'X'; 541 if (flag & NQNFSWRITE) 542 *flags++ = 'O'; 543 if (flag & NQNFSEVICTED) 544 *flags++ = 'G'; 545 if (flag & NACC) 546 *flags++ = 'A'; 547 if (flag & NUPD) 548 *flags++ = 'U'; 549 if (flag & NCHG) 550 *flags++ = 'C'; 551 if (flag & NLOCKED) 552 *flags++ = 'L'; 553 if (flag & NWANTED) 554 *flags++ = 'w'; 555 if (flag == 0) 556 *flags++ = '-'; 557 *flags = '\0'; 558 559 #define VT np->n_vattr 560 (void)printf(" %6ld %5s", VT.va_fileid, flagbuf); 561 type = VT.va_mode & S_IFMT; 562 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 563 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 564 (void)printf(" %2d,%-2d", 565 major(VT.va_rdev), minor(VT.va_rdev)); 566 else 567 (void)printf(" %7s", name); 568 else 569 (void)printf(" %7qd", np->n_size); 570 return (0); 571 } 572 573 void 574 union_header() 575 { 576 (void)printf(" UPPER LOWER"); 577 } 578 579 int 580 union_print(vp) 581 struct vnode *vp; 582 { 583 struct union_node unode, *up = &unode; 584 585 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 586 587 (void)printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 588 (u_long)(void *)up->un_lowervp); 589 return (0); 590 } 591 592 /* 593 * Given a pointer to a mount structure in kernel space, 594 * read it in and return a usable pointer to it. 595 */ 596 struct mount * 597 getmnt(maddr) 598 struct mount *maddr; 599 { 600 static struct mtab { 601 struct mtab *next; 602 struct mount *maddr; 603 struct mount mount; 604 } *mhead = NULL; 605 struct mtab *mt; 606 607 for (mt = mhead; mt != NULL; mt = mt->next) 608 if (maddr == mt->maddr) 609 return (&mt->mount); 610 if ((mt = malloc(sizeof(struct mtab))) == NULL) 611 errx(1, "malloc"); 612 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 613 mt->maddr = maddr; 614 mt->next = mhead; 615 mhead = mt; 616 return (&mt->mount); 617 } 618 619 void 620 mount_print(mp) 621 struct mount *mp; 622 { 623 int flags; 624 625 #define ST mp->mnt_stat 626 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 627 ST.f_mntfromname, ST.f_mntonname); 628 if ((flags = mp->mnt_flag)) { 629 int i; 630 const char *sep = " ("; 631 632 for (i = 0; mnt_flags[i].m_flag; i++) { 633 if (flags & mnt_flags[i].m_flag) { 634 (void)printf("%s%s", sep, mnt_flags[i].m_name); 635 flags &= ~mnt_flags[i].m_flag; 636 sep = ","; 637 } 638 } 639 if (flags) 640 (void)printf("%sunknown_flags:%x", sep, flags); 641 (void)printf(")"); 642 } 643 (void)printf("\n"); 644 #undef ST 645 } 646 647 struct e_vnode * 648 loadvnodes(avnodes) 649 int *avnodes; 650 { 651 int mib[2]; 652 size_t copysize; 653 struct e_vnode *vnodebase; 654 655 if (memf != NULL) { 656 /* 657 * do it by hand 658 */ 659 return (kinfo_vnodes(avnodes)); 660 } 661 mib[0] = CTL_KERN; 662 mib[1] = KERN_VNODE; 663 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 664 err(1, "sysctl: KERN_VNODE"); 665 if ((vnodebase = malloc(copysize)) == NULL) 666 errx(1, "malloc"); 667 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 668 err(1, "sysctl: KERN_VNODE"); 669 if (copysize % sizeof(struct e_vnode)) 670 errx(1, "vnode size mismatch"); 671 *avnodes = copysize / sizeof(struct e_vnode); 672 673 return (vnodebase); 674 } 675 676 /* 677 * simulate what a running kernel does in in kinfo_vnode 678 */ 679 struct e_vnode * 680 kinfo_vnodes(avnodes) 681 int *avnodes; 682 { 683 struct mntlist mountlist; 684 struct mount *mp, mount, *mp_next; 685 struct vnode *vp, vnode, *vp_next; 686 char *vbuf, *evbuf, *bp; 687 int num, numvnodes; 688 689 #define VPTRSZ sizeof(struct vnode *) 690 #define VNODESZ sizeof(struct vnode) 691 692 KGET(V_NUMV, numvnodes); 693 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 694 errx(1, "malloc"); 695 bp = vbuf; 696 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 697 KGET(V_MOUNTLIST, mountlist); 698 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 699 KGET2(mp, &mount, sizeof(mount), "mount entry"); 700 mp_next = TAILQ_NEXT(&mount, mnt_list); 701 for (vp = LIST_FIRST(&mount.mnt_vnodelist); 702 vp != NULL; vp = vp_next) { 703 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 704 vp_next = LIST_NEXT(&vnode, v_mntvnodes); 705 if ((bp + VPTRSZ + VNODESZ) > evbuf) 706 /* XXX - should realloc */ 707 errx(1, "no more room for vnodes"); 708 memmove(bp, &vp, VPTRSZ); 709 bp += VPTRSZ; 710 memmove(bp, &vnode, VNODESZ); 711 bp += VNODESZ; 712 num++; 713 } 714 if (mp == TAILQ_LAST(&mountlist, mntlist)) 715 break; 716 } 717 *avnodes = num; 718 return ((struct e_vnode *)vbuf); 719 } 720 721 const char hdr[] = 722 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 723 int ttyspace = 128; 724 725 void 726 ttymode() 727 { 728 struct tty *tty; 729 struct tty ttyb[1000]; 730 int error, len, i; 731 732 (void)printf("%s", hdr); 733 len = sizeof(ttyb); 734 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 735 if (!error) { 736 len /= sizeof(ttyb[0]); 737 for (i = 0; i < len; i++) { 738 ttyprt(&ttyb[i], 0); 739 } 740 } 741 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 742 errx(1, "malloc"); 743 if (nl[SCONS].n_type != 0) { 744 (void)printf("1 console\n"); 745 KGET(SCONS, *tty); 746 ttyprt(&tty[0], 0); 747 } 748 #ifdef __FreeBSD__ 749 if (nl[NSCCONS].n_type != 0) 750 ttytype(tty, "vty", SCCONS, NSCCONS, 0); 751 if (nl[NSIO].n_type != 0) 752 ttytype(tty, "sio", SIO, NSIO, 0); 753 if (nl[NRC].n_type != 0) 754 ttytype(tty, "rc", RC, NRC, 0); 755 if (nl[NCY].n_type != 0) 756 ttytype(tty, "cy", CY, NCY, 0); 757 if (nl[NSI].n_type != 0) 758 ttytype(tty, "si", SI, NSI, 1); 759 #endif 760 if (nl[SNPTY].n_type != 0) 761 ttytype(tty, "pty", SPTY, SNPTY, 0); 762 } 763 764 void 765 ttytype(tty, name, type, number, indir) 766 struct tty *tty; 767 char *name; 768 int type, number, indir; 769 { 770 struct tty *tp; 771 int ntty; 772 struct tty **ttyaddr; 773 774 if (tty == NULL) 775 return; 776 KGET(number, ntty); 777 (void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 778 if (ntty > ttyspace) { 779 ttyspace = ntty; 780 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 781 errx(1, "realloc"); 782 } 783 if (indir) { 784 KGET(type, ttyaddr); 785 KGET2(ttyaddr, tty, ntty * sizeof(struct tty), "tty structs"); 786 } else { 787 KGET1(type, tty, ntty * sizeof(struct tty), "tty structs"); 788 } 789 (void)printf("%s", hdr); 790 for (tp = tty; tp < &tty[ntty]; tp++) 791 ttyprt(tp, tp - tty); 792 } 793 794 struct { 795 int flag; 796 char val; 797 } ttystates[] = { 798 #ifdef TS_WOPEN 799 { TS_WOPEN, 'W'}, 800 #endif 801 { TS_ISOPEN, 'O'}, 802 { TS_CARR_ON, 'C'}, 803 #ifdef TS_CONNECTED 804 { TS_CONNECTED, 'c'}, 805 #endif 806 { TS_TIMEOUT, 'T'}, 807 { TS_FLUSH, 'F'}, 808 { TS_BUSY, 'B'}, 809 #ifdef TS_ASLEEP 810 { TS_ASLEEP, 'A'}, 811 #endif 812 #ifdef TS_SO_OLOWAT 813 { TS_SO_OLOWAT, 'A'}, 814 #endif 815 #ifdef TS_SO_OCOMPLETE 816 { TS_SO_OCOMPLETE, 'a'}, 817 #endif 818 { TS_XCLUDE, 'X'}, 819 { TS_TTSTOP, 'S'}, 820 #ifdef TS_CAR_OFLOW 821 { TS_CAR_OFLOW, 'm'}, 822 #endif 823 #ifdef TS_CTS_OFLOW 824 { TS_CTS_OFLOW, 'o'}, 825 #endif 826 #ifdef TS_DSR_OFLOW 827 { TS_DSR_OFLOW, 'd'}, 828 #endif 829 { TS_TBLOCK, 'K'}, 830 { TS_ASYNC, 'Y'}, 831 { TS_BKSL, 'D'}, 832 { TS_ERASE, 'E'}, 833 { TS_LNCH, 'L'}, 834 { TS_TYPEN, 'P'}, 835 { TS_CNTTB, 'N'}, 836 #ifdef TS_CAN_BYPASS_L_RINT 837 { TS_CAN_BYPASS_L_RINT, 'l'}, 838 #endif 839 #ifdef TS_SNOOP 840 { TS_SNOOP, 's'}, 841 #endif 842 #ifdef TS_ZOMBIE 843 { TS_ZOMBIE, 'Z'}, 844 #endif 845 { 0, '\0'}, 846 }; 847 848 void 849 ttyprt(tp, line) 850 struct tty *tp; 851 int line; 852 { 853 int i, j; 854 pid_t pgid; 855 char *name, state[20]; 856 857 if (usenumflag || tp->t_dev == 0 || 858 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 859 (void)printf(" %2d,%-2d", major(tp->t_dev), minor(tp->t_dev)); 860 else 861 (void)printf("%7s ", name); 862 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 863 (void)printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 864 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 865 tp->t_column); 866 for (i = j = 0; ttystates[i].flag; i++) 867 if (tp->t_state&ttystates[i].flag) 868 state[j++] = ttystates[i].val; 869 if (j == 0) 870 state[j++] = '-'; 871 state[j] = '\0'; 872 (void)printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 873 pgid = 0; 874 if (tp->t_pgrp != NULL) 875 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 876 (void)printf("%6d ", pgid); 877 switch (tp->t_line) { 878 case TTYDISC: 879 (void)printf("term\n"); 880 break; 881 case NTTYDISC: 882 (void)printf("ntty\n"); 883 break; 884 case SLIPDISC: 885 (void)printf("slip\n"); 886 break; 887 case PPPDISC: 888 (void)printf("ppp\n"); 889 break; 890 default: 891 (void)printf("%d\n", tp->t_line); 892 break; 893 } 894 } 895 896 void 897 filemode() 898 { 899 struct file *fp; 900 struct file *addr; 901 char *buf, flagbuf[16], *fbp; 902 int len, maxfile, nfile; 903 static char *dtypes[] = { "???", "inode", "socket" }; 904 905 KGET(FNL_MAXFILE, maxfile); 906 if (totalflag) { 907 KGET(FNL_NFILE, nfile); 908 (void)printf("%3d/%3d files\n", nfile, maxfile); 909 return; 910 } 911 if (getfiles(&buf, &len) == -1) 912 return; 913 /* 914 * Getfiles returns in malloc'd memory a pointer to the first file 915 * structure, and then an array of file structs (whose addresses are 916 * derivable from the previous entry). 917 */ 918 addr = LIST_FIRST((struct filelist *)buf); 919 fp = (struct file *)(buf + sizeof(struct filelist)); 920 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 921 922 (void)printf("%d/%d open files\n", nfile, maxfile); 923 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 924 for (; (char *)fp < buf + len; addr = LIST_NEXT(fp, f_list), fp++) { 925 if ((unsigned)fp->f_type > DTYPE_SOCKET) 926 continue; 927 (void)printf("%8lx ", (u_long)(void *)addr); 928 (void)printf("%-8.8s", dtypes[fp->f_type]); 929 fbp = flagbuf; 930 if (fp->f_flag & FREAD) 931 *fbp++ = 'R'; 932 if (fp->f_flag & FWRITE) 933 *fbp++ = 'W'; 934 if (fp->f_flag & FAPPEND) 935 *fbp++ = 'A'; 936 if (fp->f_flag & FASYNC) 937 *fbp++ = 'I'; 938 *fbp = '\0'; 939 (void)printf("%6s %3d", flagbuf, fp->f_count); 940 (void)printf(" %3d", fp->f_msgcount); 941 (void)printf(" %8lx", (u_long)(void *)fp->f_data); 942 if (fp->f_offset < 0) 943 (void)printf(" %qx\n", fp->f_offset); 944 else 945 (void)printf(" %qd\n", fp->f_offset); 946 } 947 free(buf); 948 } 949 950 int 951 getfiles(abuf, alen) 952 char **abuf; 953 int *alen; 954 { 955 size_t len; 956 int mib[2]; 957 char *buf; 958 959 /* 960 * XXX 961 * Add emulation of KINFO_FILE here. 962 */ 963 if (memf != NULL) 964 errx(1, "files on dead kernel, not implemented"); 965 966 mib[0] = CTL_KERN; 967 mib[1] = KERN_FILE; 968 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 969 warn("sysctl: KERN_FILE"); 970 return (-1); 971 } 972 if ((buf = malloc(len)) == NULL) 973 errx(1, "malloc"); 974 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 975 warn("sysctl: KERN_FILE"); 976 return (-1); 977 } 978 *abuf = buf; 979 *alen = len; 980 return (0); 981 } 982 983 /* 984 * swapmode is based on a program called swapinfo written 985 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 986 */ 987 void 988 swapmode(void) 989 { 990 struct kvm_swap kswap[16]; 991 int i; 992 int n; 993 int pagesize = getpagesize(); 994 const char *header; 995 int hlen; 996 long blocksize; 997 998 n = kvm_getswapinfo( 999 kd, 1000 kswap, 1001 sizeof(kswap)/sizeof(kswap[0]), 1002 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 1003 ); 1004 1005 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 1006 1007 header = getbsize(&hlen, &blocksize); 1008 if (totalflag == 0) { 1009 (void)printf("%-15s %*s %8s %8s %8s %s\n", 1010 "Device", hlen, header, 1011 "Used", "Avail", "Capacity", "Type"); 1012 1013 for (i = 0; i < n; ++i) { 1014 (void)printf( 1015 "%-15s %*d ", 1016 kswap[i].ksw_devname, 1017 hlen, 1018 CONVERT(kswap[i].ksw_total) 1019 ); 1020 (void)printf( 1021 "%8d %8d %5.0f%% %s\n", 1022 CONVERT(kswap[i].ksw_used), 1023 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 1024 (double)kswap[i].ksw_used * 100.0 / 1025 (double)kswap[i].ksw_total, 1026 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 1027 "Sequential" : "Interleaved" 1028 ); 1029 } 1030 } 1031 1032 if (totalflag) { 1033 blocksize = 1024 * 1024; 1034 1035 (void)printf( 1036 "%dM/%dM swap space\n", 1037 CONVERT(kswap[n].ksw_used), 1038 CONVERT(kswap[n].ksw_total) 1039 ); 1040 } else if (n > 1) { 1041 (void)printf( 1042 "%-15s %*d %8d %8d %5.0f%%\n", 1043 "Total", 1044 hlen, 1045 CONVERT(kswap[n].ksw_total), 1046 CONVERT(kswap[n].ksw_used), 1047 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 1048 (double)kswap[n].ksw_used * 100.0 / 1049 (double)kswap[n].ksw_total 1050 ); 1051 } 1052 } 1053