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 1.13 2004/12/18 22:48:04 swildner 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 81 struct kcore_data *KCORE_KVM_GLOBAL; 82 83 #else 84 # include <kinfo.h> 85 #endif 86 87 enum { 88 NL_MOUNTLIST, 89 NL_NUMVNODES, 90 NL_RC_TTY, 91 NL_NRC_TTY, 92 NL_CY_TTY, 93 NL_NCY_TTY, 94 NL_SI_TTY, 95 NL_SI_NPORTS, 96 }; 97 98 const size_t NL_LAST_MANDATORY = NL_NUMVNODES; 99 100 struct nlist nl[] = { 101 { "_mountlist", 0, 0, 0, 0 }, /* address of head of mount list. */ 102 { "_numvnodes", 0, 0, 0, 0 }, 103 { "_rc_tty", 0, 0, 0, 0 }, 104 { "_nrc_tty", 0, 0, 0, 0 }, 105 { "_cy_tty", 0, 0, 0, 0 }, 106 { "_ncy_tty", 0, 0, 0, 0 }, 107 { "_si__tty", 0, 0, 0, 0 }, 108 { "_si_Nports", 0, 0, 0, 0 }, 109 { "", 0, 0, 0, 0 } 110 }; 111 112 int usenumflag; 113 int totalflag; 114 int swapflag; 115 char *nlistf = NULL; 116 char *memf = NULL; 117 kvm_t *kd; 118 119 const char *usagestr; 120 121 struct { 122 int m_flag; 123 const char *m_name; 124 } mnt_flags[] = { 125 { MNT_RDONLY, "rdonly" }, 126 { MNT_SYNCHRONOUS, "sync" }, 127 { MNT_NOEXEC, "noexec" }, 128 { MNT_NOSUID, "nosuid" }, 129 { MNT_NODEV, "nodev" }, 130 { MNT_UNION, "union" }, 131 { MNT_ASYNC, "async" }, 132 { MNT_SUIDDIR, "suiddir" }, 133 { MNT_SOFTDEP, "softdep" }, 134 { MNT_NOSYMFOLLOW, "nosymfollow" }, 135 { MNT_NOATIME, "noatime" }, 136 { MNT_NOCLUSTERR, "noclusterread" }, 137 { MNT_NOCLUSTERW, "noclusterwrite" }, 138 { MNT_EXRDONLY, "exrdonly" }, 139 { MNT_EXPORTED, "exported" }, 140 { MNT_DEFEXPORTED, "defexported" }, 141 { MNT_EXPORTANON, "exportanon" }, 142 { MNT_EXKERB, "exkerb" }, 143 { MNT_EXPUBLIC, "public" }, 144 { MNT_LOCAL, "local" }, 145 { MNT_QUOTA, "quota" }, 146 { MNT_ROOTFS, "rootfs" }, 147 { MNT_USER, "user" }, 148 { MNT_IGNORE, "ignore" }, 149 { MNT_UPDATE, "update" }, 150 { MNT_DELEXPORT, "delexport" }, 151 { MNT_RELOAD, "reload" }, 152 { MNT_FORCE, "force" }, 153 { 0, NULL } 154 }; 155 156 157 #define SVAR(var) __STRING(var) /* to force expansion */ 158 #define KGET(idx, var) \ 159 KGET1(idx, &var, sizeof(var), SVAR(var)) 160 #define KGET1(idx, p, s, msg) \ 161 KGET2(nl[idx].n_value, p, s, msg) 162 #define KGET2(addr, p, s, msg) \ 163 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 164 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 165 #define KGETN(idx, var) \ 166 KGET1N(idx, &var, sizeof(var), SVAR(var)) 167 #define KGET1N(idx, p, s, msg) \ 168 KGET2N(nl[idx].n_value, p, s, msg) 169 #define KGET2N(addr, p, s, msg) \ 170 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 171 #define KGETRET(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 return (0); \ 175 } 176 177 void filemode(void); 178 int getfiles(char **, int *); 179 struct mount * 180 getmnt(struct mount *); 181 struct e_vnode * 182 kinfo_vnodes(int *); 183 struct e_vnode * 184 loadvnodes(int *); 185 void mount_print(struct mount *); 186 void nfs_header(void); 187 int nfs_print(struct vnode *); 188 void swapmode(void); 189 void ttymode(void); 190 void ttyprt(struct tty *, int); 191 void ttytype(struct tty *, const char *, int, int, int); 192 void ufs_header(void); 193 int ufs_print(struct vnode *); 194 void union_header(void); 195 int union_print(struct vnode *); 196 static void usage(void); 197 void vnode_header(void); 198 void vnode_print(struct vnode *, struct vnode *); 199 void vnodemode(void); 200 201 int 202 main(int argc, char **argv) 203 { 204 int ch, ret; 205 int fileflag, ttyflag, vnodeflag; 206 char buf[_POSIX2_LINE_MAX]; 207 const char *opts; 208 209 fileflag = swapflag = ttyflag = vnodeflag = 0; 210 211 /* We will behave like good old swapinfo if thus invoked */ 212 opts = strrchr(argv[0],'/'); 213 if (opts) 214 opts++; 215 else 216 opts = argv[0]; 217 if (!strcmp(opts,"swapinfo")) { 218 swapflag = 1; 219 opts = "kM:N:"; 220 usagestr = "swapinfo [-k] [-M core] [-N system]"; 221 } else { 222 opts = "TM:N:fiknstv"; 223 usagestr = "pstat [-Tfknst] [-M core] [-N system]"; 224 } 225 226 while ((ch = getopt(argc, argv, opts)) != -1) 227 switch (ch) { 228 case 'f': 229 fileflag = 1; 230 break; 231 case 'k': 232 putenv("BLOCKSIZE=1K"); 233 break; 234 case 'M': 235 memf = optarg; 236 break; 237 case 'N': 238 nlistf = optarg; 239 break; 240 case 'n': 241 usenumflag = 1; 242 break; 243 case 's': 244 ++swapflag; 245 break; 246 case 'T': 247 totalflag = 1; 248 break; 249 case 't': 250 ttyflag = 1; 251 break; 252 case 'v': 253 case 'i': /* Backward compatibility. */ 254 errx(1, "vnode mode not supported"); 255 #if 0 256 vnodeflag = 1; 257 break; 258 #endif 259 default: 260 usage(); 261 } 262 argc -= optind; 263 argv += optind; 264 265 /* 266 * Discard setgid privileges if not the running kernel so that bad 267 * guys can't print interesting stuff from kernel memory. 268 */ 269 if (nlistf != NULL || memf != NULL) 270 setgid(getgid()); 271 272 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 273 errx(1, "kvm_openfiles: %s", buf); 274 #ifdef USE_KCORE 275 if ((KCORE_KVM_GLOBAL = kcore_open(nlistf, memf, buf)) == NULL) 276 errx(1, "kcore_open: %s", buf); 277 #endif 278 if ((ret = kvm_nlist(kd, nl)) != 0) { 279 size_t i; 280 int quit = 0; 281 282 if (ret == -1) 283 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 284 for (i = 0; i < NL_LAST_MANDATORY; i++) { 285 if (!nl[i].n_value) { 286 quit = 1; 287 warnx("undefined symbol: %s", nl[i].n_name); 288 } 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 = NULL; 324 int numvnodes; 325 326 e_vnodebase = loadvnodes(&numvnodes); 327 if (totalflag) { 328 printf("%7d vnodes\n", numvnodes); 329 return; 330 } 331 endvnode = e_vnodebase + numvnodes; 332 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 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 printf("\n"); 366 } 367 free(e_vnodebase); 368 } 369 370 void 371 vnode_header(void) 372 { 373 printf("ADDR TYP VFLAG USE HOLD"); 374 } 375 376 void 377 vnode_print(struct vnode *avnode, struct vnode *vp) 378 { 379 const char *type; 380 char flags[32]; 381 char *fp = flags; 382 int flag; 383 384 /* 385 * set type 386 */ 387 switch (vp->v_type) { 388 case VNON: 389 type = "non"; break; 390 case VREG: 391 type = "reg"; break; 392 case VDIR: 393 type = "dir"; break; 394 case VBLK: 395 type = "blk"; break; 396 case VCHR: 397 type = "chr"; break; 398 case VLNK: 399 type = "lnk"; break; 400 case VSOCK: 401 type = "soc"; break; 402 case VFIFO: 403 type = "fif"; break; 404 case VBAD: 405 type = "bad"; break; 406 default: 407 type = "unk"; break; 408 } 409 /* 410 * gather flags 411 */ 412 flag = vp->v_flag; 413 if (flag & VROOT) 414 *fp++ = 'R'; 415 if (flag & VTEXT) 416 *fp++ = 'T'; 417 if (flag & VSYSTEM) 418 *fp++ = 'S'; 419 if (flag & VISTTY) 420 *fp++ = 't'; 421 #ifdef VXLOCK 422 if (flag & VXLOCK) 423 *fp++ = 'L'; 424 if (flag & VXWANT) 425 *fp++ = 'W'; 426 #endif 427 if (flag & VBWAIT) 428 *fp++ = 'B'; 429 if (flag & VOBJBUF) 430 *fp++ = 'V'; 431 if (flag & VAGE) 432 *fp++ = 'a'; 433 if (flag & VOLOCK) 434 *fp++ = 'l'; 435 if (flag & VOWANT) 436 *fp++ = 'w'; 437 #ifdef VDOOMED 438 if (flag & VDOOMED) 439 *fp++ = 'D'; 440 #endif 441 if (flag & VFREE) 442 *fp++ = 'F'; 443 if (flag & VONWORKLST) 444 *fp++ = 'O'; 445 if (flag & VMOUNT) 446 *fp++ = 'M'; 447 #ifdef VRECLAIMED 448 if (flag & VINACTIVE) 449 *fp++ = 'I'; 450 if (flag & VRECLAIMED) 451 *fp++ = 'X'; 452 #endif 453 454 if (flag == 0) 455 *fp++ = '-'; 456 *fp = '\0'; 457 printf("%8lx %s %5s %4d %4d", 458 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 459 } 460 461 void 462 ufs_header(void) 463 { 464 printf(" FILEID IFLAG RDEV|SZ"); 465 } 466 467 int 468 ufs_print(struct vnode *vp) 469 { 470 int flag; 471 struct inode inode, *ip = &inode; 472 char flagbuf[16], *flags = flagbuf; 473 char *name; 474 mode_t type; 475 476 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 477 flag = ip->i_flag; 478 if (flag & IN_ACCESS) 479 *flags++ = 'A'; 480 if (flag & IN_CHANGE) 481 *flags++ = 'C'; 482 if (flag & IN_UPDATE) 483 *flags++ = 'U'; 484 if (flag & IN_MODIFIED) 485 *flags++ = 'M'; 486 if (flag & IN_RENAME) 487 *flags++ = 'R'; 488 if (flag & IN_SHLOCK) 489 *flags++ = 'S'; 490 if (flag & IN_EXLOCK) 491 *flags++ = 'E'; 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 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 printf(" %2d,%-2d", 505 major(ip->i_rdev), minor(ip->i_rdev)); 506 else 507 printf(" %7s", name); 508 else 509 printf(" %7qd", ip->i_size); 510 return (0); 511 } 512 513 void 514 nfs_header(void) 515 { 516 printf(" FILEID NFLAG RDEV|SZ"); 517 } 518 519 int 520 nfs_print(struct vnode *vp) 521 { 522 struct nfsnode nfsnode, *np = &nfsnode; 523 char flagbuf[16], *flags = flagbuf; 524 int flag; 525 char *name; 526 mode_t type; 527 528 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 529 flag = np->n_flag; 530 if (flag & NFLUSHWANT) 531 *flags++ = 'W'; 532 if (flag & NFLUSHINPROG) 533 *flags++ = 'P'; 534 if (flag & NMODIFIED) 535 *flags++ = 'M'; 536 if (flag & NWRITEERR) 537 *flags++ = 'E'; 538 if (flag & NQNFSNONCACHE) 539 *flags++ = 'X'; 540 if (flag & NQNFSWRITE) 541 *flags++ = 'O'; 542 if (flag & NQNFSEVICTED) 543 *flags++ = 'G'; 544 if (flag & NACC) 545 *flags++ = 'A'; 546 if (flag & NUPD) 547 *flags++ = 'U'; 548 if (flag & NCHG) 549 *flags++ = 'C'; 550 if (flag & NLOCKED) 551 *flags++ = 'L'; 552 if (flag & NWANTED) 553 *flags++ = 'w'; 554 if (flag == 0) 555 *flags++ = '-'; 556 *flags = '\0'; 557 558 #define VT np->n_vattr 559 printf(" %6ld %5s", VT.va_fileid, flagbuf); 560 type = VT.va_mode & S_IFMT; 561 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 562 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 563 printf(" %2d,%-2d", 564 major(VT.va_rdev), minor(VT.va_rdev)); 565 else 566 printf(" %7s", name); 567 else 568 printf(" %7qd", np->n_size); 569 return (0); 570 } 571 572 void 573 union_header(void) 574 { 575 printf(" UPPER LOWER"); 576 } 577 578 int 579 union_print(struct vnode *vp) 580 { 581 struct union_node unode, *up = &unode; 582 583 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 584 585 printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 586 (u_long)(void *)up->un_lowervp); 587 return (0); 588 } 589 590 /* 591 * Given a pointer to a mount structure in kernel space, 592 * read it in and return a usable pointer to it. 593 */ 594 struct mount * 595 getmnt(struct mount *maddr) 596 { 597 static struct mtab { 598 struct mtab *next; 599 struct mount *maddr; 600 struct mount mount; 601 } *mhead = NULL; 602 struct mtab *mt; 603 604 for (mt = mhead; mt != NULL; mt = mt->next) 605 if (maddr == mt->maddr) 606 return (&mt->mount); 607 if ((mt = malloc(sizeof(struct mtab))) == NULL) 608 errx(1, "malloc"); 609 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 610 mt->maddr = maddr; 611 mt->next = mhead; 612 mhead = mt; 613 return (&mt->mount); 614 } 615 616 void 617 mount_print(struct mount *mp) 618 { 619 int flags; 620 621 #define ST mp->mnt_stat 622 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 printf("%s%s", sep, mnt_flags[i].m_name); 631 flags &= ~mnt_flags[i].m_flag; 632 sep = ","; 633 } 634 } 635 if (flags) 636 printf("%sunknown_flags:%x", sep, flags); 637 printf(")"); 638 } 639 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, mounth, *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(NL_NUMVNODES, 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(NL_MOUNTLIST, mountlist); 692 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 693 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 694 mp_next = TAILQ_NEXT(&mounth, mnt_list); 695 for (vp = TAILQ_FIRST(&mounth.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 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[NL_NRC_TTY].n_type != 0) 739 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 740 if (nl[NL_NCY_TTY].n_type != 0) 741 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 742 if (nl[NL_SI_NPORTS].n_type != 0) 743 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 744 free(tty); 745 } 746 747 void 748 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 749 { 750 struct tty *tp; 751 int ntty; 752 struct tty **ttyaddr; 753 754 if (tty == NULL) 755 return; 756 KGET(number, ntty); 757 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 758 if (ntty > ttyspace) { 759 ttyspace = ntty; 760 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 761 errx(1, "realloc"); 762 } 763 if (indir) { 764 KGET(type, ttyaddr); 765 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 766 "tty structs"); 767 } else { 768 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 769 "tty structs"); 770 } 771 printf(hdr); 772 for (tp = tty; tp < &tty[ntty]; tp++) 773 ttyprt(tp, tp - tty); 774 } 775 776 struct { 777 int flag; 778 char val; 779 } ttystates[] = { 780 #ifdef TS_WOPEN 781 { TS_WOPEN, 'W'}, 782 #endif 783 { TS_ISOPEN, 'O'}, 784 { TS_CARR_ON, 'C'}, 785 #ifdef TS_CONNECTED 786 { TS_CONNECTED, 'c'}, 787 #endif 788 { TS_TIMEOUT, 'T'}, 789 { TS_FLUSH, 'F'}, 790 { TS_BUSY, 'B'}, 791 #ifdef TS_ASLEEP 792 { TS_ASLEEP, 'A'}, 793 #endif 794 #ifdef TS_SO_OLOWAT 795 { TS_SO_OLOWAT, 'A'}, 796 #endif 797 #ifdef TS_SO_OCOMPLETE 798 { TS_SO_OCOMPLETE, 'a'}, 799 #endif 800 { TS_XCLUDE, 'X'}, 801 { TS_TTSTOP, 'S'}, 802 #ifdef TS_CAR_OFLOW 803 { TS_CAR_OFLOW, 'm'}, 804 #endif 805 #ifdef TS_CTS_OFLOW 806 { TS_CTS_OFLOW, 'o'}, 807 #endif 808 #ifdef TS_DSR_OFLOW 809 { TS_DSR_OFLOW, 'd'}, 810 #endif 811 { TS_TBLOCK, 'K'}, 812 { TS_ASYNC, 'Y'}, 813 { TS_BKSL, 'D'}, 814 { TS_ERASE, 'E'}, 815 { TS_LNCH, 'L'}, 816 { TS_TYPEN, 'P'}, 817 { TS_CNTTB, 'N'}, 818 #ifdef TS_CAN_BYPASS_L_RINT 819 { TS_CAN_BYPASS_L_RINT, 'l'}, 820 #endif 821 #ifdef TS_SNOOP 822 { TS_SNOOP, 's'}, 823 #endif 824 #ifdef TS_ZOMBIE 825 { TS_ZOMBIE, 'Z'}, 826 #endif 827 { 0, '\0'}, 828 }; 829 830 void 831 ttyprt(struct tty *tp, int line) 832 { 833 int i, j; 834 pid_t pgid; 835 char *name, state[20]; 836 837 if (usenumflag || tp->t_dev == 0 || 838 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 839 printf("%7d ", line); 840 else 841 printf("%7s ", name); 842 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 843 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 844 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 845 tp->t_column); 846 for (i = j = 0; ttystates[i].flag; i++) 847 if (tp->t_state&ttystates[i].flag) 848 state[j++] = ttystates[i].val; 849 if (j == 0) 850 state[j++] = '-'; 851 state[j] = '\0'; 852 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 853 pgid = 0; 854 if (tp->t_pgrp != NULL) 855 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 856 printf("%6d ", pgid); 857 switch (tp->t_line) { 858 case TTYDISC: 859 printf("term\n"); 860 break; 861 case NTTYDISC: 862 printf("ntty\n"); 863 break; 864 case SLIPDISC: 865 printf("slip\n"); 866 break; 867 case PPPDISC: 868 printf("ppp\n"); 869 break; 870 default: 871 printf("%d\n", tp->t_line); 872 break; 873 } 874 } 875 876 void 877 filemode(void) 878 { 879 struct kinfo_file *fp, *ofp; 880 size_t len; 881 char flagbuf[16], *fbp; 882 int maxfile, nfile; 883 static const char *dtypes[] = { "???", "inode", "socket" }; 884 885 if (kinfo_get_maxfiles(&maxfile)) 886 err(1, "kinfo_get_maxfiles"); 887 if (totalflag) { 888 if (kinfo_get_openfiles(&nfile)) 889 err(1, "kinfo_get_openfiles"); 890 printf("%3d/%3d files\n", nfile, maxfile); 891 return; 892 } 893 if (kinfo_get_files(&fp, &len)) 894 err(1, "kinfo_get_files"); 895 ofp = fp; 896 897 printf("%d/%d open files\n", len, maxfile); 898 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 899 for (; len-- > 0; fp++) { 900 if ((unsigned)fp->f_type > DTYPE_SOCKET) 901 continue; 902 printf("%p ", fp->f_file); 903 printf("%-8.8s", dtypes[fp->f_type]); 904 fbp = flagbuf; 905 if (fp->f_flag & FREAD) 906 *fbp++ = 'R'; 907 if (fp->f_flag & FWRITE) 908 *fbp++ = 'W'; 909 if (fp->f_flag & FAPPEND) 910 *fbp++ = 'A'; 911 #ifdef FSHLOCK /* currently gone */ 912 if (fp->f_flag & FSHLOCK) 913 *fbp++ = 'S'; 914 if (fp->f_flag & FEXLOCK) 915 *fbp++ = 'X'; 916 #endif 917 if (fp->f_flag & FASYNC) 918 *fbp++ = 'I'; 919 *fbp = '\0'; 920 printf("%6s %3d", flagbuf, fp->f_count); 921 printf(" %3d", fp->f_msgcount); 922 printf(" %8lx", (u_long)(void *)fp->f_data); 923 if (fp->f_offset < 0) 924 printf(" %qx\n", fp->f_offset); 925 else 926 printf(" %qd\n", fp->f_offset); 927 } 928 free(ofp); 929 } 930 931 /* 932 * swapmode is based on a program called swapinfo written 933 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 934 */ 935 void 936 swapmode(void) 937 { 938 struct kvm_swap kswap[16]; 939 int i; 940 int n; 941 int pagesize = getpagesize(); 942 const char *header; 943 int hlen; 944 long blocksize; 945 946 n = kvm_getswapinfo( 947 kd, 948 kswap, 949 sizeof(kswap)/sizeof(kswap[0]), 950 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 951 ); 952 953 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 954 955 header = getbsize(&hlen, &blocksize); 956 if (totalflag == 0) { 957 printf("%-15s %*s %8s %8s %8s %s\n", 958 "Device", hlen, header, 959 "Used", "Avail", "Capacity", "Type"); 960 961 for (i = 0; i < n; ++i) { 962 printf( 963 "%-15s %*d ", 964 kswap[i].ksw_devname, 965 hlen, 966 CONVERT(kswap[i].ksw_total) 967 ); 968 printf( 969 "%8d %8d %5.0f%% %s\n", 970 CONVERT(kswap[i].ksw_used), 971 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 972 (double)kswap[i].ksw_used * 100.0 / 973 (double)kswap[i].ksw_total, 974 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 975 "Sequential" : "Interleaved" 976 ); 977 } 978 } 979 980 if (totalflag) { 981 blocksize = 1024 * 1024; 982 983 printf( 984 "%dM/%dM swap space\n", 985 CONVERT(kswap[n].ksw_used), 986 CONVERT(kswap[n].ksw_total) 987 ); 988 } else if (n > 1) { 989 printf( 990 "%-15s %*d %8d %8d %5.0f%%\n", 991 "Total", 992 hlen, 993 CONVERT(kswap[n].ksw_total), 994 CONVERT(kswap[n].ksw_used), 995 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 996 (double)kswap[n].ksw_used * 100.0 / 997 (double)kswap[n].ksw_total 998 ); 999 } 1000 } 1001