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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#) Copyright (c) 1980, 1991, 1993, 1994 The Regents of the University of California. All rights reserved. 30 * @(#)pstat.c 8.16 (Berkeley) 5/9/95 31 * $FreeBSD: src/usr.sbin/pstat/pstat.c,v 1.49.2.5 2002/07/12 09:12:49 des Exp $ 32 */ 33 34 #include <sys/user.h> 35 #include <sys/kinfo.h> 36 #include <sys/param.h> 37 #include <sys/time.h> 38 #include <sys/vnode.h> 39 #include <sys/ucred.h> 40 #include <sys/file.h> 41 #include <vfs/ufs/quota.h> 42 #include <vfs/ufs/inode.h> 43 #include <sys/mount.h> 44 #include <sys/uio.h> 45 #include <sys/namei.h> 46 #include <vfs/union/union.h> 47 #include <sys/stat.h> 48 #include <nfs/rpcv2.h> 49 #include <nfs/nfsproto.h> 50 #include <nfs/nfs.h> 51 #include <nfs/nfsnode.h> 52 #include <sys/ioctl.h> 53 #include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 54 #include <sys/tty.h> 55 #include <sys/conf.h> 56 #include <sys/blist.h> 57 58 #include <sys/sysctl.h> 59 60 #include <err.h> 61 #include <fcntl.h> 62 #include <kvm.h> 63 #include <limits.h> 64 #include <nlist.h> 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 70 #ifdef USE_KCORE 71 # define KCORE_KINFO_WRAPPER 72 # include <kcore.h> 73 #else 74 # include <kinfo.h> 75 #endif 76 77 enum { 78 NL_MOUNTLIST, 79 NL_NUMVNODES, 80 NL_RC_TTY, 81 NL_NRC_TTY, 82 NL_CY_TTY, 83 NL_NCY_TTY, 84 NL_SI_TTY, 85 NL_SI_NPORTS, 86 }; 87 88 const size_t NL_LAST_MANDATORY = NL_NUMVNODES; 89 90 struct nlist nl[] = { 91 { "_mountlist", 0, 0, 0, 0 }, /* address of head of mount list. */ 92 { "_numvnodes", 0, 0, 0, 0 }, 93 { "_rc_tty", 0, 0, 0, 0 }, 94 { "_nrc_tty", 0, 0, 0, 0 }, 95 { "_cy_tty", 0, 0, 0, 0 }, 96 { "_ncy_tty", 0, 0, 0, 0 }, 97 { "_si__tty", 0, 0, 0, 0 }, 98 { "_si_Nports", 0, 0, 0, 0 }, 99 { "", 0, 0, 0, 0 } 100 }; 101 102 int usenumflag; 103 int totalflag; 104 int swapflag; 105 char *nlistf = NULL; 106 char *memf = NULL; 107 kvm_t *kd; 108 109 const char *usagestr; 110 111 struct { 112 int m_flag; 113 const char *m_name; 114 } mnt_flags[] = { 115 { MNT_RDONLY, "rdonly" }, 116 { MNT_SYNCHRONOUS, "sync" }, 117 { MNT_NOEXEC, "noexec" }, 118 { MNT_NOSUID, "nosuid" }, 119 { MNT_NODEV, "nodev" }, 120 { MNT_UNION, "union" }, 121 { MNT_ASYNC, "async" }, 122 { MNT_SUIDDIR, "suiddir" }, 123 { MNT_SOFTDEP, "softdep" }, 124 { MNT_NOSYMFOLLOW, "nosymfollow" }, 125 { MNT_NOATIME, "noatime" }, 126 { MNT_NOCLUSTERR, "noclusterread" }, 127 { MNT_NOCLUSTERW, "noclusterwrite" }, 128 { MNT_EXRDONLY, "exrdonly" }, 129 { MNT_EXPORTED, "exported" }, 130 { MNT_DEFEXPORTED, "defexported" }, 131 { MNT_EXPORTANON, "exportanon" }, 132 { MNT_EXKERB, "exkerb" }, 133 { MNT_EXPUBLIC, "public" }, 134 { MNT_LOCAL, "local" }, 135 { MNT_QUOTA, "quota" }, 136 { MNT_ROOTFS, "rootfs" }, 137 { MNT_USER, "user" }, 138 { MNT_IGNORE, "ignore" }, 139 { MNT_UPDATE, "update" }, 140 { MNT_DELEXPORT, "delexport" }, 141 { MNT_RELOAD, "reload" }, 142 { MNT_FORCE, "force" }, 143 { 0, NULL } 144 }; 145 146 147 #define SVAR(var) __STRING(var) /* to force expansion */ 148 #define KGET(idx, var) \ 149 KGET1(idx, &var, sizeof(var), SVAR(var)) 150 #define KGET1(idx, p, s, msg) \ 151 KGET2(nl[idx].n_value, p, s, msg) 152 #define KGET2(addr, p, s, msg) \ 153 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 154 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 155 #define KGETN(idx, var) \ 156 KGET1N(idx, &var, sizeof(var), SVAR(var)) 157 #define KGET1N(idx, p, s, msg) \ 158 KGET2N(nl[idx].n_value, p, s, msg) 159 #define KGET2N(addr, p, s, msg) \ 160 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 161 #define KGETRET(addr, p, s, msg) \ 162 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 163 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 164 return (0); \ 165 } 166 167 void filemode(void); 168 int getfiles(char **, int *); 169 struct mount * 170 getmnt(struct mount *); 171 struct e_vnode * 172 kinfo_vnodes(int *); 173 struct e_vnode * 174 loadvnodes(int *); 175 void mount_print(struct mount *); 176 void nfs_header(void); 177 int nfs_print(struct vnode *); 178 void swapmode(void); 179 void ttymode(void); 180 void ttyprt(struct tty *, int); 181 void ttytype(struct tty *, const char *, int, int, int); 182 void ufs_header(void); 183 int ufs_print(struct vnode *); 184 void union_header(void); 185 int union_print(struct vnode *); 186 static void usage(void); 187 void vnode_header(void); 188 void vnode_print(struct vnode *, struct vnode *); 189 void vnodemode(void); 190 191 int 192 main(int argc, char **argv) 193 { 194 int ch, ret; 195 int fileflag, ttyflag, vnodeflag; 196 char buf[_POSIX2_LINE_MAX]; 197 const char *opts; 198 199 fileflag = swapflag = ttyflag = vnodeflag = 0; 200 201 /* We will behave like good old swapinfo if thus invoked */ 202 opts = strrchr(argv[0],'/'); 203 if (opts) 204 opts++; 205 else 206 opts = argv[0]; 207 if (!strcmp(opts,"swapinfo")) { 208 swapflag = 1; 209 opts = "ghkmM:N:"; 210 usagestr = "swapinfo [-gkm] [-M core] [-N system]"; 211 } else { 212 opts = "TM:N:fhiknstv"; 213 usagestr = "pstat [-Tfknst] [-M core] [-N system]"; 214 } 215 216 while ((ch = getopt(argc, argv, opts)) != -1) 217 switch (ch) { 218 case 'f': 219 fileflag = 1; 220 break; 221 case 'g': 222 if (setenv("BLOCKSIZE", "1G", 1) == -1) 223 warn("setenv: cannot set BLOCKSIZE=1K"); 224 break; 225 case 'k': 226 if (setenv("BLOCKSIZE", "1K", 1) == -1) 227 warn("setenv: cannot set BLOCKSIZE=1K"); 228 break; 229 case 'm': 230 if (setenv("BLOCKSIZE", "1M", 1) == -1) 231 warn("setenv: cannot set BLOCKSIZE=1K"); 232 break; 233 case 'M': 234 memf = optarg; 235 break; 236 case 'N': 237 nlistf = optarg; 238 break; 239 case 'n': 240 usenumflag = 1; 241 break; 242 case 's': 243 ++swapflag; 244 break; 245 case 'T': 246 totalflag = 1; 247 break; 248 case 't': 249 ttyflag = 1; 250 break; 251 case 'v': 252 case 'i': /* Backward compatibility. */ 253 errx(1, "vnode mode not supported"); 254 #if 0 255 vnodeflag = 1; 256 break; 257 #endif 258 default: 259 usage(); 260 } 261 argc -= optind; 262 argv += optind; 263 264 /* 265 * Discard setgid privileges if not the running kernel so that bad 266 * guys can't print interesting stuff from kernel memory. 267 */ 268 if (nlistf != NULL || memf != NULL) 269 setgid(getgid()); 270 271 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 272 errx(1, "kvm_openfiles: %s", buf); 273 #ifdef USE_KCORE 274 if (kcore_wrapper_open(nlistf, memf, buf)) 275 errx(1, "kcore_open: %s", buf); 276 #endif 277 if ((ret = kvm_nlist(kd, nl)) != 0) { 278 size_t i; 279 int quit = 0; 280 281 if (ret == -1) 282 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 283 for (i = 0; i < NL_LAST_MANDATORY; i++) { 284 if (!nl[i].n_value) { 285 quit = 1; 286 warnx("undefined symbol: %s", nl[i].n_name); 287 } 288 } 289 if (quit) 290 exit(1); 291 } 292 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 293 usage(); 294 if (fileflag || totalflag) 295 filemode(); 296 if (vnodeflag) 297 vnodemode(); 298 if (ttyflag) 299 ttymode(); 300 if (swapflag || totalflag) 301 swapmode(); 302 exit (0); 303 } 304 305 static void 306 usage(void) 307 { 308 fprintf(stderr, "usage: %s\n", usagestr); 309 exit (1); 310 } 311 312 struct e_vnode { 313 struct vnode *avnode; 314 struct vnode vnode; 315 }; 316 317 void 318 vnodemode(void) 319 { 320 struct e_vnode *e_vnodebase, *endvnode, *evp; 321 struct vnode *vp; 322 struct mount *maddr, *mp = NULL; 323 int numvnodes; 324 325 e_vnodebase = loadvnodes(&numvnodes); 326 if (totalflag) { 327 printf("%7d vnodes\n", numvnodes); 328 return; 329 } 330 endvnode = e_vnodebase + numvnodes; 331 printf("%d active vnodes\n", numvnodes); 332 333 334 #define ST mp->mnt_stat 335 maddr = NULL; 336 for (evp = e_vnodebase; evp < endvnode; evp++) { 337 vp = &evp->vnode; 338 if (vp->v_mount != maddr) { 339 /* 340 * New filesystem 341 */ 342 if ((mp = getmnt(vp->v_mount)) == NULL) 343 continue; 344 maddr = vp->v_mount; 345 mount_print(mp); 346 vnode_header(); 347 if (!strcmp(ST.f_fstypename, "ufs") || 348 !strcmp(ST.f_fstypename, "mfs")) 349 ufs_header(); 350 else if (!strcmp(ST.f_fstypename, "nfs")) 351 nfs_header(); 352 else if (!strcmp(ST.f_fstypename, "union")) 353 union_header(); 354 printf("\n"); 355 } 356 vnode_print(evp->avnode, vp); 357 if (!strcmp(ST.f_fstypename, "ufs") || 358 !strcmp(ST.f_fstypename, "mfs")) 359 ufs_print(vp); 360 else if (!strcmp(ST.f_fstypename, "nfs")) 361 nfs_print(vp); 362 else if (!strcmp(ST.f_fstypename, "union")) 363 union_print(vp); 364 printf("\n"); 365 } 366 free(e_vnodebase); 367 } 368 369 void 370 vnode_header(void) 371 { 372 printf("ADDR TYP VFLAG USE HOLD"); 373 } 374 375 void 376 vnode_print(struct vnode *avnode, struct vnode *vp) 377 { 378 const char *type; 379 char flags[32]; 380 char *fp = flags; 381 int flag; 382 int refs; 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 & VOBJBUF) 428 *fp++ = 'V'; 429 if (flag & (VAGE0 | VAGE1)) 430 *fp++ = 'a'; 431 #ifdef VDOOMED 432 if (flag & VDOOMED) 433 *fp++ = 'D'; 434 #endif 435 if (flag & VONWORKLST) 436 *fp++ = 'O'; 437 #ifdef VRECLAIMED 438 if (flag & VINACTIVE) 439 *fp++ = 'I'; 440 if (flag & VRECLAIMED) 441 *fp++ = 'X'; 442 #endif 443 444 if (flag == 0) 445 *fp++ = '-'; 446 *fp = '\0'; 447 448 /* 449 * Convert SYSREF ref counts into something more 450 * human readable for display. 451 */ 452 refs = vp->v_refcnt; 453 printf("%8lx %s %5s %08x %4d", 454 (u_long)(void *)avnode, type, flags, refs, vp->v_auxrefs); 455 } 456 457 void 458 ufs_header(void) 459 { 460 printf(" FILEID IFLAG RDEV|SZ"); 461 } 462 463 int 464 ufs_print(struct vnode *vp) 465 { 466 int flag; 467 struct inode inode, *ip = &inode; 468 char flagbuf[16], *flags = flagbuf; 469 char *name; 470 mode_t type; 471 472 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 473 flag = ip->i_flag; 474 if (flag & IN_ACCESS) 475 *flags++ = 'A'; 476 if (flag & IN_CHANGE) 477 *flags++ = 'C'; 478 if (flag & IN_UPDATE) 479 *flags++ = 'U'; 480 if (flag & IN_MODIFIED) 481 *flags++ = 'M'; 482 if (flag & IN_RENAME) 483 *flags++ = 'R'; 484 if (flag & IN_SHLOCK) 485 *flags++ = 'S'; 486 if (flag & IN_EXLOCK) 487 *flags++ = 'E'; 488 if (flag & IN_HASHED) 489 *flags++ = 'H'; 490 if (flag & IN_LAZYMOD) 491 *flags++ = 'L'; 492 if (flag == 0) 493 *flags++ = '-'; 494 *flags = '\0'; 495 496 printf(" %6ju %5s", (uintmax_t)ip->i_number, flagbuf); 497 type = ip->i_mode & S_IFMT; 498 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 499 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 500 printf(" %2d,%-2d", 501 major(ip->i_rdev), minor(ip->i_rdev)); 502 else 503 printf(" %7s", name); 504 else 505 printf(" %7ju", (uintmax_t)ip->i_size); 506 return (0); 507 } 508 509 void 510 nfs_header(void) 511 { 512 printf(" FILEID NFLAG RDEV|SZ"); 513 } 514 515 int 516 nfs_print(struct vnode *vp) 517 { 518 struct nfsnode nfsnode, *np = &nfsnode; 519 char flagbuf[16], *flags = flagbuf; 520 int flag; 521 char *name; 522 mode_t type; 523 524 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 525 flag = np->n_flag; 526 if (flag & NFLUSHWANT) 527 *flags++ = 'W'; 528 if (flag & NFLUSHINPROG) 529 *flags++ = 'P'; 530 if (flag & NLMODIFIED) 531 *flags++ = 'M'; 532 if (flag & NRMODIFIED) 533 *flags++ = 'R'; 534 if (flag & NWRITEERR) 535 *flags++ = 'E'; 536 if (flag & NQNFSEVICTED) 537 *flags++ = 'G'; 538 if (flag & NACC) 539 *flags++ = 'A'; 540 if (flag & NUPD) 541 *flags++ = 'U'; 542 if (flag & NCHG) 543 *flags++ = 'C'; 544 if (flag & NLOCKED) 545 *flags++ = 'L'; 546 if (flag & NWANTED) 547 *flags++ = 'w'; 548 if (flag == 0) 549 *flags++ = '-'; 550 *flags = '\0'; 551 552 #define VT np->n_vattr 553 printf(" %6ju %5s", (uintmax_t)VT.va_fileid, flagbuf); 554 type = VT.va_mode & S_IFMT; 555 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 556 if (usenumflag || ((name = devname((VT.va_rmajor << 8) | VT.va_rminor, type)) == NULL)) 557 printf(" %2d,%-2d", 558 VT.va_rmajor, VT.va_rminor); 559 else 560 printf(" %7s", name); 561 else 562 printf(" %7ju", (uintmax_t)np->n_size); 563 return (0); 564 } 565 566 void 567 union_header(void) 568 { 569 printf(" UPPER LOWER"); 570 } 571 572 int 573 union_print(struct vnode *vp) 574 { 575 struct union_node unode, *up = &unode; 576 577 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 578 579 printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 580 (u_long)(void *)up->un_lowervp); 581 return (0); 582 } 583 584 /* 585 * Given a pointer to a mount structure in kernel space, 586 * read it in and return a usable pointer to it. 587 */ 588 struct mount * 589 getmnt(struct mount *maddr) 590 { 591 static struct mtab { 592 struct mtab *next; 593 struct mount *maddr; 594 struct mount mount; 595 } *mhead = NULL; 596 struct mtab *mt; 597 598 for (mt = mhead; mt != NULL; mt = mt->next) 599 if (maddr == mt->maddr) 600 return (&mt->mount); 601 if ((mt = malloc(sizeof(struct mtab))) == NULL) 602 errx(1, "malloc"); 603 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 604 mt->maddr = maddr; 605 mt->next = mhead; 606 mhead = mt; 607 return (&mt->mount); 608 } 609 610 void 611 mount_print(struct mount *mp) 612 { 613 int flags; 614 615 #define ST mp->mnt_stat 616 printf("*** MOUNT %s %s on %s", ST.f_fstypename, 617 ST.f_mntfromname, ST.f_mntonname); 618 if ((flags = mp->mnt_flag)) { 619 int i; 620 const char *sep = " ("; 621 622 for (i = 0; mnt_flags[i].m_flag; i++) { 623 if (flags & mnt_flags[i].m_flag) { 624 printf("%s%s", sep, mnt_flags[i].m_name); 625 flags &= ~mnt_flags[i].m_flag; 626 sep = ","; 627 } 628 } 629 if (flags) 630 printf("%sunknown_flags:%x", sep, flags); 631 printf(")"); 632 } 633 printf("\n"); 634 #undef ST 635 } 636 637 struct e_vnode * 638 loadvnodes(int *avnodes) 639 { 640 int mib[2]; 641 size_t copysize; 642 struct e_vnode *vnodebase; 643 644 if (memf != NULL) { 645 /* 646 * do it by hand 647 */ 648 return (kinfo_vnodes(avnodes)); 649 } 650 mib[0] = CTL_KERN; 651 mib[1] = KERN_VNODE; 652 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 653 err(1, "sysctl: KERN_VNODE"); 654 if ((vnodebase = malloc(copysize)) == NULL) 655 errx(1, "malloc"); 656 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 657 err(1, "sysctl: KERN_VNODE"); 658 if (copysize % sizeof(struct e_vnode)) 659 errx(1, "vnode size mismatch"); 660 *avnodes = copysize / sizeof(struct e_vnode); 661 662 return (vnodebase); 663 } 664 665 /* 666 * simulate what a running kernel does in in kinfo_vnode 667 */ 668 struct e_vnode * 669 kinfo_vnodes(int *avnodes) 670 { 671 struct mntlist mountlist; 672 struct mount *mp, mounth, *mp_next; 673 struct vnode *vp, vnode, *vp_next; 674 char *vbuf, *evbuf, *bp; 675 int num, numvnodes; 676 677 #define VPTRSZ sizeof(struct vnode *) 678 #define VNODESZ sizeof(struct vnode) 679 680 KGET(NL_NUMVNODES, numvnodes); 681 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 682 errx(1, "malloc"); 683 bp = vbuf; 684 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 685 KGET(NL_MOUNTLIST, mountlist); 686 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 687 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 688 mp_next = TAILQ_NEXT(&mounth, mnt_list); 689 for (vp = TAILQ_FIRST(&mounth.mnt_nvnodelist); 690 vp != NULL; vp = vp_next) { 691 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 692 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 693 if ((bp + VPTRSZ + VNODESZ) > evbuf) 694 /* XXX - should realloc */ 695 errx(1, "no more room for vnodes"); 696 memmove(bp, &vp, VPTRSZ); 697 bp += VPTRSZ; 698 memmove(bp, &vnode, VNODESZ); 699 bp += VNODESZ; 700 num++; 701 } 702 if (mp == TAILQ_LAST(&mountlist, mntlist)) 703 break; 704 } 705 *avnodes = num; 706 return ((struct e_vnode *)vbuf); 707 } 708 709 char hdr[] = 710 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 711 int ttyspace = 128; 712 713 void 714 ttymode(void) 715 { 716 struct tty *tty; 717 struct tty ttyb[1000]; 718 int error; 719 size_t len, i; 720 721 printf("%s", hdr); 722 len = sizeof(ttyb); 723 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 724 if (!error) { 725 len /= sizeof(ttyb[0]); 726 for (i = 0; i < len; i++) { 727 ttyprt(&ttyb[i], 0); 728 } 729 } 730 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 731 errx(1, "malloc"); 732 if (nl[NL_NRC_TTY].n_type != 0) 733 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 734 if (nl[NL_NCY_TTY].n_type != 0) 735 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 736 if (nl[NL_SI_NPORTS].n_type != 0) 737 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 738 free(tty); 739 } 740 741 void 742 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 743 { 744 struct tty *tp; 745 int ntty; 746 struct tty **ttyaddr; 747 748 if (tty == NULL) 749 return; 750 KGET(number, ntty); 751 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 752 if (ntty > ttyspace) { 753 ttyspace = ntty; 754 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == NULL) 755 errx(1, "realloc"); 756 } 757 if (indir) { 758 KGET(type, ttyaddr); 759 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 760 "tty structs"); 761 } else { 762 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 763 "tty structs"); 764 } 765 printf("%s", hdr); 766 for (tp = tty; tp < &tty[ntty]; tp++) 767 ttyprt(tp, tp - tty); 768 } 769 770 struct { 771 int flag; 772 char val; 773 } ttystates[] = { 774 #ifdef TS_WOPEN 775 { TS_WOPEN, 'W'}, 776 #endif 777 { TS_ISOPEN, 'O'}, 778 { TS_CARR_ON, 'C'}, 779 #ifdef TS_CONNECTED 780 { TS_CONNECTED, 'c'}, 781 #endif 782 { TS_TIMEOUT, 'T'}, 783 { TS_FLUSH, 'F'}, 784 { TS_BUSY, 'B'}, 785 #ifdef TS_ASLEEP 786 { TS_ASLEEP, 'A'}, 787 #endif 788 #ifdef TS_SO_OLOWAT 789 { TS_SO_OLOWAT, 'A'}, 790 #endif 791 #ifdef TS_SO_OCOMPLETE 792 { TS_SO_OCOMPLETE, 'a'}, 793 #endif 794 { TS_XCLUDE, 'X'}, 795 { TS_TTSTOP, 'S'}, 796 #ifdef TS_CAR_OFLOW 797 { TS_CAR_OFLOW, 'm'}, 798 #endif 799 #ifdef TS_CTS_OFLOW 800 { TS_CTS_OFLOW, 'o'}, 801 #endif 802 #ifdef TS_DSR_OFLOW 803 { TS_DSR_OFLOW, 'd'}, 804 #endif 805 { TS_TBLOCK, 'K'}, 806 { TS_ASYNC, 'Y'}, 807 { TS_BKSL, 'D'}, 808 { TS_ERASE, 'E'}, 809 { TS_LNCH, 'L'}, 810 { TS_TYPEN, 'P'}, 811 { TS_CNTTB, 'N'}, 812 #ifdef TS_CAN_BYPASS_L_RINT 813 { TS_CAN_BYPASS_L_RINT, 'l'}, 814 #endif 815 #ifdef TS_SNOOP 816 { TS_SNOOP, 's'}, 817 #endif 818 #ifdef TS_ZOMBIE 819 { TS_ZOMBIE, 'Z'}, 820 #endif 821 { 0, '\0'}, 822 }; 823 824 void 825 ttyprt(struct tty *tp, int line) 826 { 827 int i, j; 828 pid_t pgid; 829 char *name, state[20]; 830 dev_t dev; 831 832 dev = (uintptr_t)tp->t_dev & 0xffff; /* XXX t_dev is really dev_t */ 833 834 if (usenumflag || dev == 0 || (name = devname(dev, S_IFCHR)) == NULL) 835 printf("%7d ", line); 836 else 837 printf("%7s ", name); 838 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 839 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 840 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 841 tp->t_column); 842 for (i = j = 0; ttystates[i].flag; i++) 843 if (tp->t_state&ttystates[i].flag) 844 state[j++] = ttystates[i].val; 845 if (j == 0) 846 state[j++] = '-'; 847 state[j] = '\0'; 848 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 849 pgid = 0; 850 if (tp->t_pgrp != NULL) 851 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 852 printf("%6d ", pgid); 853 switch (tp->t_line) { 854 case TTYDISC: 855 printf("term\n"); 856 break; 857 case NTTYDISC: 858 printf("ntty\n"); 859 break; 860 case SLIPDISC: 861 printf("slip\n"); 862 break; 863 case PPPDISC: 864 printf("ppp\n"); 865 break; 866 default: 867 printf("%d\n", tp->t_line); 868 break; 869 } 870 } 871 872 void 873 filemode(void) 874 { 875 struct kinfo_file *fp, *ofp; 876 size_t len; 877 char flagbuf[16], *fbp; 878 int maxfile, nfile; 879 static const char *dtypes[] = { "???", "inode", "socket" }; 880 881 if (kinfo_get_maxfiles(&maxfile)) 882 err(1, "kinfo_get_maxfiles"); 883 if (totalflag) { 884 if (kinfo_get_openfiles(&nfile)) 885 err(1, "kinfo_get_openfiles"); 886 printf("%3d/%3d files\n", nfile, maxfile); 887 return; 888 } 889 if (kinfo_get_files(&fp, &len)) 890 err(1, "kinfo_get_files"); 891 ofp = fp; 892 893 printf("%zu/%d open files\n", len, maxfile); 894 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 895 for (; len-- > 0; fp++) { 896 if ((unsigned)fp->f_type > DTYPE_SOCKET) 897 continue; 898 printf("%p ", fp->f_file); 899 printf("%-8.8s", dtypes[fp->f_type]); 900 fbp = flagbuf; 901 if (fp->f_flag & FREAD) 902 *fbp++ = 'R'; 903 if (fp->f_flag & FWRITE) 904 *fbp++ = 'W'; 905 if (fp->f_flag & FAPPEND) 906 *fbp++ = 'A'; 907 #ifdef FSHLOCK /* currently gone */ 908 if (fp->f_flag & FSHLOCK) 909 *fbp++ = 'S'; 910 if (fp->f_flag & FEXLOCK) 911 *fbp++ = 'X'; 912 #endif 913 if (fp->f_flag & FASYNC) 914 *fbp++ = 'I'; 915 *fbp = '\0'; 916 printf("%6s %3d", flagbuf, fp->f_count); 917 printf(" %3d", fp->f_msgcount); 918 printf(" %8lx", (u_long)(void *)fp->f_data); 919 if (fp->f_offset < 0) 920 printf(" %jx\n", (uintmax_t)fp->f_offset); 921 else 922 printf(" %jd\n", (intmax_t)fp->f_offset); 923 } 924 free(ofp); 925 } 926 927 /* 928 * swapmode is based on a program called swapinfo written 929 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 930 */ 931 void 932 swapmode(void) 933 { 934 struct kvm_swap kswap[16]; 935 int i; 936 int n; 937 int pagesize = getpagesize(); 938 const char *header; 939 int hlen; 940 long blocksize; 941 942 n = kvm_getswapinfo( 943 kd, 944 kswap, 945 sizeof(kswap)/sizeof(kswap[0]), 946 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 947 ); 948 949 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 950 951 header = getbsize(&hlen, &blocksize); 952 if (totalflag == 0) { 953 printf("%-15s %*s %8s %8s %8s %s\n", 954 "Device", hlen, header, 955 "Used", "Avail", "Capacity", "Type"); 956 957 for (i = 0; i < n; ++i) { 958 printf( 959 "%-15s %*d ", 960 kswap[i].ksw_devname, 961 hlen, 962 CONVERT(kswap[i].ksw_total) 963 ); 964 printf( 965 "%8d %8d %5.0f%% %s\n", 966 CONVERT(kswap[i].ksw_used), 967 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 968 (double)kswap[i].ksw_used * 100.0 / 969 (double)kswap[i].ksw_total, 970 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 971 "Sequential" : "Interleaved" 972 ); 973 } 974 } 975 976 if (totalflag) { 977 blocksize = 1024 * 1024; 978 979 printf( 980 "%dM/%dM swap space\n", 981 CONVERT(kswap[n].ksw_used), 982 CONVERT(kswap[n].ksw_total) 983 ); 984 } else if (n > 1) { 985 printf( 986 "%-15s %*d %8d %8d %5.0f%%\n", 987 "Total", 988 hlen, 989 CONVERT(kswap[n].ksw_total), 990 CONVERT(kswap[n].ksw_used), 991 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 992 (double)kswap[n].ksw_used * 100.0 / 993 (double)kswap[n].ksw_total 994 ); 995 } 996 } 997