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 <sys/stat.h> 47 #include <nfs/rpcv2.h> 48 #include <nfs/nfsproto.h> 49 #include <nfs/nfs.h> 50 #include <nfs/nfsnode.h> 51 #include <sys/ioctl.h> 52 #include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 53 #include <sys/tty.h> 54 #include <sys/conf.h> 55 #include <sys/blist.h> 56 57 #include <sys/sysctl.h> 58 59 #include <err.h> 60 #include <fcntl.h> 61 #include <kvm.h> 62 #include <limits.h> 63 #include <nlist.h> 64 #include <stdio.h> 65 #include <stdlib.h> 66 #include <string.h> 67 #include <unistd.h> 68 #include <libutil.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 /* 78 * Backoff to DECIMAL mode if humanize_number does not have FRACTIONAL mode. 79 */ 80 #ifndef HN_FRACTIONAL 81 #define HN_FRACTIONAL HN_DECIMAL 82 #endif 83 84 enum { 85 NL_MOUNTLIST, 86 NL_NUMVNODES, 87 NL_RC_TTY, 88 NL_NRC_TTY, 89 NL_CY_TTY, 90 NL_NCY_TTY, 91 NL_SI_TTY, 92 NL_SI_NPORTS, 93 }; 94 95 const size_t NL_LAST_MANDATORY = NL_NUMVNODES; 96 97 struct nlist nl[] = { 98 { "_mountlist", 0, 0, 0, 0 }, /* address of head of mount list. */ 99 { "_numvnodes", 0, 0, 0, 0 }, 100 { "_rc_tty", 0, 0, 0, 0 }, 101 { "_nrc_tty", 0, 0, 0, 0 }, 102 { "_cy_tty", 0, 0, 0, 0 }, 103 { "_ncy_tty", 0, 0, 0, 0 }, 104 { "_si__tty", 0, 0, 0, 0 }, 105 { "_si_Nports", 0, 0, 0, 0 }, 106 { "", 0, 0, 0, 0 } 107 }; 108 109 int usenumflag; 110 int totalflag; 111 int swapflag; 112 int humanflag; 113 long pagesize; 114 long blocksize; 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_ASYNC, "async" }, 131 { MNT_SUIDDIR, "suiddir" }, 132 { MNT_SOFTDEP, "softdep" }, 133 { MNT_NOSYMFOLLOW, "nosymfollow" }, 134 { MNT_NOATIME, "noatime" }, 135 { MNT_NOCLUSTERR, "noclusterread" }, 136 { MNT_NOCLUSTERW, "noclusterwrite" }, 137 { MNT_EXRDONLY, "exrdonly" }, 138 { MNT_EXPORTED, "exported" }, 139 { MNT_DEFEXPORTED, "defexported" }, 140 { MNT_EXPORTANON, "exportanon" }, 141 { MNT_EXKERB, "exkerb" }, 142 { MNT_EXPUBLIC, "public" }, 143 { MNT_LOCAL, "local" }, 144 { MNT_QUOTA, "quota" }, 145 { MNT_ROOTFS, "rootfs" }, 146 { MNT_USER, "user" }, 147 { MNT_IGNORE, "ignore" }, 148 { MNT_UPDATE, "update" }, 149 { MNT_DELEXPORT, "delexport" }, 150 { MNT_RELOAD, "reload" }, 151 { MNT_FORCE, "force" }, 152 { 0, NULL } 153 }; 154 155 156 #define SVAR(var) __STRING(var) /* to force expansion */ 157 #define KGET(idx, var) \ 158 KGET1(idx, &var, sizeof(var), SVAR(var)) 159 #define KGET1(idx, p, s, msg) \ 160 KGET2(nl[idx].n_value, p, s, msg) 161 #define KGET2(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 #define KGETN(idx, var) \ 165 KGET1N(idx, &var, sizeof(var), SVAR(var)) 166 #define KGET1N(idx, p, s, msg) \ 167 KGET2N(nl[idx].n_value, p, s, msg) 168 #define KGET2N(addr, p, s, msg) \ 169 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 170 #define KGETRET(addr, p, s, msg) \ 171 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 172 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 173 return (0); \ 174 } 175 176 void filemode(void); 177 int getfiles(char **, int *); 178 struct mount * 179 getmnt(struct mount *); 180 struct e_vnode * 181 kinfo_vnodes(int *); 182 struct e_vnode * 183 loadvnodes(int *); 184 void mount_print(struct mount *); 185 void nfs_header(void); 186 int nfs_print(struct vnode *); 187 void swapmode(void); 188 void ttymode(void); 189 void ttyprt(struct tty *, int); 190 void ttytype(struct tty *, const char *, int, int, int); 191 void ufs_header(void); 192 int ufs_print(struct vnode *); 193 static void usage(void); 194 void vnode_header(void); 195 void vnode_print(struct vnode *, struct vnode *); 196 void vnodemode(void); 197 198 static void Output(const char *name, int hlen, 199 struct kvm_swap *kswap, int flags); 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 = "ghkmM:N:"; 220 usagestr = "swapinfo [-ghkm] [-M core] [-N system]"; 221 } else { 222 opts = "TM:N:fhiknstv"; 223 usagestr = "pstat [-Tfhknst] [-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 'g': 232 if (setenv("BLOCKSIZE", "1G", 1) == -1) 233 warn("setenv: cannot set BLOCKSIZE=1K"); 234 break; 235 case 'k': 236 if (setenv("BLOCKSIZE", "1K", 1) == -1) 237 warn("setenv: cannot set BLOCKSIZE=1K"); 238 break; 239 case 'm': 240 if (setenv("BLOCKSIZE", "1M", 1) == -1) 241 warn("setenv: cannot set BLOCKSIZE=1K"); 242 break; 243 case 'h': 244 humanflag = 1; 245 break; 246 case 'M': 247 memf = optarg; 248 break; 249 case 'N': 250 nlistf = optarg; 251 break; 252 case 'n': 253 usenumflag = 1; 254 break; 255 case 's': 256 ++swapflag; 257 break; 258 case 'T': 259 totalflag = 1; 260 break; 261 case 't': 262 ttyflag = 1; 263 break; 264 case 'v': 265 case 'i': /* Backward compatibility. */ 266 errx(1, "vnode mode not supported"); 267 #if 0 268 vnodeflag = 1; 269 break; 270 #endif 271 default: 272 usage(); 273 } 274 } 275 argc -= optind; 276 argv += optind; 277 278 /* 279 * Discard setgid privileges if not the running kernel so that bad 280 * guys can't print interesting stuff from kernel memory. 281 */ 282 if (nlistf != NULL || memf != NULL) 283 setgid(getgid()); 284 285 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 286 errx(1, "kvm_openfiles: %s", buf); 287 #ifdef USE_KCORE 288 if (kcore_wrapper_open(nlistf, memf, buf)) 289 errx(1, "kcore_open: %s", buf); 290 #endif 291 if ((ret = kvm_nlist(kd, nl)) != 0) { 292 size_t i; 293 int quit = 0; 294 295 if (ret == -1) 296 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 297 for (i = 0; i < NL_LAST_MANDATORY; i++) { 298 if (!nl[i].n_value) { 299 quit = 1; 300 warnx("undefined symbol: %s", nl[i].n_name); 301 } 302 } 303 if (quit) 304 exit(1); 305 } 306 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 307 usage(); 308 if (fileflag || totalflag) 309 filemode(); 310 if (vnodeflag) 311 vnodemode(); 312 if (ttyflag) 313 ttymode(); 314 if (swapflag || totalflag) 315 swapmode(); 316 exit (0); 317 } 318 319 static void 320 usage(void) 321 { 322 fprintf(stderr, "usage: %s\n", usagestr); 323 exit (1); 324 } 325 326 struct e_vnode { 327 struct vnode *avnode; 328 struct vnode vnode; 329 }; 330 331 void 332 vnodemode(void) 333 { 334 struct e_vnode *e_vnodebase, *endvnode, *evp; 335 struct vnode *vp; 336 struct mount *maddr, *mp = NULL; 337 int numvnodes; 338 339 e_vnodebase = loadvnodes(&numvnodes); 340 if (totalflag) { 341 printf("%7d vnodes\n", numvnodes); 342 return; 343 } 344 endvnode = e_vnodebase + numvnodes; 345 printf("%d active vnodes\n", numvnodes); 346 347 348 #define ST mp->mnt_stat 349 maddr = NULL; 350 for (evp = e_vnodebase; evp < endvnode; evp++) { 351 vp = &evp->vnode; 352 if (vp->v_mount != maddr) { 353 /* 354 * New filesystem 355 */ 356 if ((mp = getmnt(vp->v_mount)) == NULL) 357 continue; 358 maddr = vp->v_mount; 359 mount_print(mp); 360 vnode_header(); 361 if (!strcmp(ST.f_fstypename, "ufs") || 362 !strcmp(ST.f_fstypename, "mfs")) 363 ufs_header(); 364 else if (!strcmp(ST.f_fstypename, "nfs")) 365 nfs_header(); 366 printf("\n"); 367 } 368 vnode_print(evp->avnode, vp); 369 if (!strcmp(ST.f_fstypename, "ufs") || 370 !strcmp(ST.f_fstypename, "mfs")) 371 ufs_print(vp); 372 else if (!strcmp(ST.f_fstypename, "nfs")) 373 nfs_print(vp); 374 printf("\n"); 375 } 376 free(e_vnodebase); 377 } 378 379 void 380 vnode_header(void) 381 { 382 printf("ADDR TYP VFLAG USE HOLD"); 383 } 384 385 void 386 vnode_print(struct vnode *avnode, struct vnode *vp) 387 { 388 const char *type; 389 char flags[32]; 390 char *fp = flags; 391 int flag; 392 int refs; 393 394 /* 395 * set type 396 */ 397 switch (vp->v_type) { 398 case VNON: 399 type = "non"; break; 400 case VREG: 401 type = "reg"; break; 402 case VDIR: 403 type = "dir"; break; 404 case VBLK: 405 type = "blk"; break; 406 case VCHR: 407 type = "chr"; break; 408 case VLNK: 409 type = "lnk"; break; 410 case VSOCK: 411 type = "soc"; break; 412 case VFIFO: 413 type = "fif"; break; 414 case VBAD: 415 type = "bad"; break; 416 default: 417 type = "unk"; break; 418 } 419 /* 420 * gather flags 421 */ 422 flag = vp->v_flag; 423 if (flag & VROOT) 424 *fp++ = 'R'; 425 if (flag & VTEXT) 426 *fp++ = 'T'; 427 if (flag & VSYSTEM) 428 *fp++ = 'S'; 429 if (flag & VISTTY) 430 *fp++ = 't'; 431 #ifdef VXLOCK 432 if (flag & VXLOCK) 433 *fp++ = 'L'; 434 if (flag & VXWANT) 435 *fp++ = 'W'; 436 #endif 437 if (flag & VOBJBUF) 438 *fp++ = 'V'; 439 if (flag & (VAGE0 | VAGE1)) 440 *fp++ = 'a'; 441 #ifdef VDOOMED 442 if (flag & VDOOMED) 443 *fp++ = 'D'; 444 #endif 445 if (flag & VONWORKLST) 446 *fp++ = 'O'; 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'; 457 458 /* 459 * Convert SYSREF ref counts into something more 460 * human readable for display. 461 */ 462 refs = vp->v_refcnt; 463 printf("%8lx %s %5s %08x %4d", 464 (u_long)(void *)avnode, type, flags, refs, vp->v_auxrefs); 465 } 466 467 void 468 ufs_header(void) 469 { 470 printf(" FILEID IFLAG RDEV|SZ"); 471 } 472 473 int 474 ufs_print(struct vnode *vp) 475 { 476 int flag; 477 struct inode inode, *ip = &inode; 478 char flagbuf[16], *flags = flagbuf; 479 char *name; 480 mode_t type; 481 482 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 483 flag = ip->i_flag; 484 if (flag & IN_ACCESS) 485 *flags++ = 'A'; 486 if (flag & IN_CHANGE) 487 *flags++ = 'C'; 488 if (flag & IN_UPDATE) 489 *flags++ = 'U'; 490 if (flag & IN_MODIFIED) 491 *flags++ = 'M'; 492 if (flag & IN_RENAME) 493 *flags++ = 'R'; 494 if (flag & IN_SHLOCK) 495 *flags++ = 'S'; 496 if (flag & IN_EXLOCK) 497 *flags++ = 'E'; 498 if (flag & IN_HASHED) 499 *flags++ = 'H'; 500 if (flag & IN_LAZYMOD) 501 *flags++ = 'L'; 502 if (flag == 0) 503 *flags++ = '-'; 504 *flags = '\0'; 505 506 printf(" %6ju %5s", (uintmax_t)ip->i_number, flagbuf); 507 type = ip->i_mode & S_IFMT; 508 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 509 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 510 printf(" %2d,%-2d", 511 major(ip->i_rdev), minor(ip->i_rdev)); 512 else 513 printf(" %7s", name); 514 else 515 printf(" %7ju", (uintmax_t)ip->i_size); 516 return (0); 517 } 518 519 void 520 nfs_header(void) 521 { 522 printf(" FILEID NFLAG RDEV|SZ"); 523 } 524 525 int 526 nfs_print(struct vnode *vp) 527 { 528 struct nfsnode nfsnode, *np = &nfsnode; 529 char flagbuf[16], *flags = flagbuf; 530 int flag; 531 char *name; 532 mode_t type; 533 534 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 535 flag = np->n_flag; 536 if (flag & NFLUSHWANT) 537 *flags++ = 'W'; 538 if (flag & NFLUSHINPROG) 539 *flags++ = 'P'; 540 if (flag & NLMODIFIED) 541 *flags++ = 'M'; 542 if (flag & NRMODIFIED) 543 *flags++ = 'R'; 544 if (flag & NWRITEERR) 545 *flags++ = 'E'; 546 if (flag & NQNFSEVICTED) 547 *flags++ = 'G'; 548 if (flag & NACC) 549 *flags++ = 'A'; 550 if (flag & NUPD) 551 *flags++ = 'U'; 552 if (flag & NCHG) 553 *flags++ = 'C'; 554 if (flag & NLOCKED) 555 *flags++ = 'L'; 556 if (flag & NWANTED) 557 *flags++ = 'w'; 558 if (flag == 0) 559 *flags++ = '-'; 560 *flags = '\0'; 561 562 #define VT np->n_vattr 563 printf(" %6ju %5s", (uintmax_t)VT.va_fileid, flagbuf); 564 type = VT.va_mode & S_IFMT; 565 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 566 if (usenumflag || ((name = devname((VT.va_rmajor << 8) | VT.va_rminor, type)) == NULL)) 567 printf(" %2d,%-2d", 568 VT.va_rmajor, VT.va_rminor); 569 else 570 printf(" %7s", name); 571 else 572 printf(" %7ju", (uintmax_t)np->n_size); 573 return (0); 574 } 575 576 /* 577 * Given a pointer to a mount structure in kernel space, 578 * read it in and return a usable pointer to it. 579 */ 580 struct mount * 581 getmnt(struct mount *maddr) 582 { 583 static struct mtab { 584 struct mtab *next; 585 struct mount *maddr; 586 struct mount mount; 587 } *mhead = NULL; 588 struct mtab *mt; 589 590 for (mt = mhead; mt != NULL; mt = mt->next) 591 if (maddr == mt->maddr) 592 return (&mt->mount); 593 if ((mt = malloc(sizeof(struct mtab))) == NULL) 594 errx(1, "malloc"); 595 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 596 mt->maddr = maddr; 597 mt->next = mhead; 598 mhead = mt; 599 return (&mt->mount); 600 } 601 602 void 603 mount_print(struct mount *mp) 604 { 605 int flags; 606 607 #define ST mp->mnt_stat 608 printf("*** MOUNT %s %s on %s", ST.f_fstypename, 609 ST.f_mntfromname, ST.f_mntonname); 610 if ((flags = mp->mnt_flag)) { 611 int i; 612 const char *sep = " ("; 613 614 for (i = 0; mnt_flags[i].m_flag; i++) { 615 if (flags & mnt_flags[i].m_flag) { 616 printf("%s%s", sep, mnt_flags[i].m_name); 617 flags &= ~mnt_flags[i].m_flag; 618 sep = ","; 619 } 620 } 621 if (flags) 622 printf("%sunknown_flags:%x", sep, flags); 623 printf(")"); 624 } 625 printf("\n"); 626 #undef ST 627 } 628 629 struct e_vnode * 630 loadvnodes(int *avnodes) 631 { 632 int mib[2]; 633 size_t copysize; 634 struct e_vnode *vnodebase; 635 636 if (memf != NULL) { 637 /* 638 * do it by hand 639 */ 640 return (kinfo_vnodes(avnodes)); 641 } 642 mib[0] = CTL_KERN; 643 mib[1] = KERN_VNODE; 644 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 645 err(1, "sysctl: KERN_VNODE"); 646 if ((vnodebase = malloc(copysize)) == NULL) 647 errx(1, "malloc"); 648 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 649 err(1, "sysctl: KERN_VNODE"); 650 if (copysize % sizeof(struct e_vnode)) 651 errx(1, "vnode size mismatch"); 652 *avnodes = copysize / sizeof(struct e_vnode); 653 654 return (vnodebase); 655 } 656 657 /* 658 * simulate what a running kernel does in in kinfo_vnode 659 */ 660 struct e_vnode * 661 kinfo_vnodes(int *avnodes) 662 { 663 struct mntlist mountlist; 664 struct mount *mp, mounth, *mp_next; 665 struct vnode *vp, vnode, *vp_next; 666 char *vbuf, *evbuf, *bp; 667 int num, numvnodes; 668 669 #define VPTRSZ sizeof(struct vnode *) 670 #define VNODESZ sizeof(struct vnode) 671 672 KGET(NL_NUMVNODES, numvnodes); 673 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 674 errx(1, "malloc"); 675 bp = vbuf; 676 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 677 KGET(NL_MOUNTLIST, mountlist); 678 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 679 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 680 mp_next = TAILQ_NEXT(&mounth, mnt_list); 681 for (vp = TAILQ_FIRST(&mounth.mnt_nvnodelist); 682 vp != NULL; vp = vp_next) { 683 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 684 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 685 if ((bp + VPTRSZ + VNODESZ) > evbuf) 686 /* XXX - should realloc */ 687 errx(1, "no more room for vnodes"); 688 memmove(bp, &vp, VPTRSZ); 689 bp += VPTRSZ; 690 memmove(bp, &vnode, VNODESZ); 691 bp += VNODESZ; 692 num++; 693 } 694 if (mp == TAILQ_LAST(&mountlist, mntlist)) 695 break; 696 } 697 *avnodes = num; 698 return ((struct e_vnode *)vbuf); 699 } 700 701 char hdr[] = 702 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 703 int ttyspace = 128; 704 705 void 706 ttymode(void) 707 { 708 struct tty *tty; 709 struct tty ttyb[1000]; 710 int error; 711 size_t len, i; 712 713 printf("%s", hdr); 714 len = sizeof(ttyb); 715 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 716 if (!error) { 717 len /= sizeof(ttyb[0]); 718 for (i = 0; i < len; i++) { 719 ttyprt(&ttyb[i], 0); 720 } 721 } 722 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 723 errx(1, "malloc"); 724 if (nl[NL_NRC_TTY].n_type != 0) 725 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 726 if (nl[NL_NCY_TTY].n_type != 0) 727 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 728 if (nl[NL_SI_NPORTS].n_type != 0) 729 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 730 free(tty); 731 } 732 733 void 734 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 735 { 736 struct tty *tp; 737 int ntty; 738 struct tty **ttyaddr; 739 740 if (tty == NULL) 741 return; 742 KGET(number, ntty); 743 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 744 if (ntty > ttyspace) { 745 ttyspace = ntty; 746 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == NULL) 747 errx(1, "realloc"); 748 } 749 if (indir) { 750 KGET(type, ttyaddr); 751 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 752 "tty structs"); 753 } else { 754 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 755 "tty structs"); 756 } 757 printf("%s", hdr); 758 for (tp = tty; tp < &tty[ntty]; tp++) 759 ttyprt(tp, tp - tty); 760 } 761 762 struct { 763 int flag; 764 char val; 765 } ttystates[] = { 766 #ifdef TS_WOPEN 767 { TS_WOPEN, 'W'}, 768 #endif 769 { TS_ISOPEN, 'O'}, 770 { TS_CARR_ON, 'C'}, 771 #ifdef TS_CONNECTED 772 { TS_CONNECTED, 'c'}, 773 #endif 774 { TS_TIMEOUT, 'T'}, 775 { TS_FLUSH, 'F'}, 776 { TS_BUSY, 'B'}, 777 #ifdef TS_ASLEEP 778 { TS_ASLEEP, 'A'}, 779 #endif 780 #ifdef TS_SO_OLOWAT 781 { TS_SO_OLOWAT, 'A'}, 782 #endif 783 #ifdef TS_SO_OCOMPLETE 784 { TS_SO_OCOMPLETE, 'a'}, 785 #endif 786 { TS_XCLUDE, 'X'}, 787 { TS_TTSTOP, 'S'}, 788 #ifdef TS_CAR_OFLOW 789 { TS_CAR_OFLOW, 'm'}, 790 #endif 791 #ifdef TS_CTS_OFLOW 792 { TS_CTS_OFLOW, 'o'}, 793 #endif 794 #ifdef TS_DSR_OFLOW 795 { TS_DSR_OFLOW, 'd'}, 796 #endif 797 { TS_TBLOCK, 'K'}, 798 { TS_ASYNC, 'Y'}, 799 { TS_BKSL, 'D'}, 800 { TS_ERASE, 'E'}, 801 { TS_LNCH, 'L'}, 802 { TS_TYPEN, 'P'}, 803 { TS_CNTTB, 'N'}, 804 #ifdef TS_CAN_BYPASS_L_RINT 805 { TS_CAN_BYPASS_L_RINT, 'l'}, 806 #endif 807 #ifdef TS_SNOOP 808 { TS_SNOOP, 's'}, 809 #endif 810 #ifdef TS_ZOMBIE 811 { TS_ZOMBIE, 'Z'}, 812 #endif 813 { 0, '\0'}, 814 }; 815 816 void 817 ttyprt(struct tty *tp, int line) 818 { 819 int i, j; 820 pid_t pgid; 821 char *name, state[20]; 822 dev_t dev; 823 824 dev = (uintptr_t)tp->t_dev & 0xffff; /* XXX t_dev is really dev_t */ 825 826 if (usenumflag || dev == 0 || (name = devname(dev, S_IFCHR)) == NULL) 827 printf("%7d ", line); 828 else 829 printf("%7s ", name); 830 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 831 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 832 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 833 tp->t_column); 834 for (i = j = 0; ttystates[i].flag; i++) 835 if (tp->t_state&ttystates[i].flag) 836 state[j++] = ttystates[i].val; 837 if (j == 0) 838 state[j++] = '-'; 839 state[j] = '\0'; 840 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 841 pgid = 0; 842 if (tp->t_pgrp != NULL) 843 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 844 printf("%6d ", pgid); 845 switch (tp->t_line) { 846 case TTYDISC: 847 printf("term\n"); 848 break; 849 case NTTYDISC: 850 printf("ntty\n"); 851 break; 852 case SLIPDISC: 853 printf("slip\n"); 854 break; 855 case PPPDISC: 856 printf("ppp\n"); 857 break; 858 default: 859 printf("%d\n", tp->t_line); 860 break; 861 } 862 } 863 864 void 865 filemode(void) 866 { 867 struct kinfo_file *fp, *ofp; 868 size_t len; 869 char flagbuf[16], *fbp; 870 int maxfile, nfile; 871 static const char *dtypes[] = { "???", "inode", "socket" }; 872 873 if (kinfo_get_maxfiles(&maxfile)) 874 err(1, "kinfo_get_maxfiles"); 875 if (totalflag) { 876 if (kinfo_get_openfiles(&nfile)) 877 err(1, "kinfo_get_openfiles"); 878 printf("%3d/%3d files\n", nfile, maxfile); 879 return; 880 } 881 if (kinfo_get_files(&fp, &len)) 882 err(1, "kinfo_get_files"); 883 ofp = fp; 884 885 printf("%zu/%d open files\n", len, maxfile); 886 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 887 for (; len-- > 0; fp++) { 888 if ((unsigned)fp->f_type > DTYPE_SOCKET) 889 continue; 890 printf("%p ", fp->f_file); 891 printf("%-8.8s", dtypes[fp->f_type]); 892 fbp = flagbuf; 893 if (fp->f_flag & FREAD) 894 *fbp++ = 'R'; 895 if (fp->f_flag & FWRITE) 896 *fbp++ = 'W'; 897 if (fp->f_flag & FAPPEND) 898 *fbp++ = 'A'; 899 #ifdef FSHLOCK /* currently gone */ 900 if (fp->f_flag & FSHLOCK) 901 *fbp++ = 'S'; 902 if (fp->f_flag & FEXLOCK) 903 *fbp++ = 'X'; 904 #endif 905 if (fp->f_flag & FASYNC) 906 *fbp++ = 'I'; 907 *fbp = '\0'; 908 printf("%6s %3d", flagbuf, fp->f_count); 909 printf(" %3d", fp->f_msgcount); 910 printf(" %8lx", (u_long)(void *)fp->f_data); 911 if (fp->f_offset < 0) 912 printf(" %jx\n", (uintmax_t)fp->f_offset); 913 else 914 printf(" %jd\n", (intmax_t)fp->f_offset); 915 } 916 free(ofp); 917 } 918 919 /* 920 * swapmode is based on a program called swapinfo written 921 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 922 */ 923 void 924 swapmode(void) 925 { 926 struct kvm_swap kswap[16]; 927 int i; 928 int n; 929 const char *header; 930 int hlen; 931 932 pagesize = getpagesize(); 933 n = kvm_getswapinfo( 934 kd, 935 kswap, 936 sizeof(kswap)/sizeof(kswap[0]), 937 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 938 ); 939 940 #define CONVERT(v) ((long)((quad_t)(v) * pagesize / blocksize)) 941 #define CONVERTB(v) ((long)((quad_t)(v) * pagesize)) 942 943 if (humanflag) { 944 hlen = 9; 945 header = " Blocks"; 946 } else { 947 header = getbsize(&hlen, &blocksize); 948 } 949 950 if (totalflag == 0) { 951 printf("%-15s %*s %8s %8s %8s %s\n", 952 "Device", hlen, header, 953 "Used", "Avail", "Capacity", "Type"); 954 955 for (i = 0; i < n; ++i) { 956 Output(kswap[i].ksw_devname, hlen, &kswap[i], 1); 957 } 958 } 959 960 if (totalflag) { 961 if (humanflag) { 962 char buf1[6]; 963 char buf2[6]; 964 humanize_number(buf1, sizeof(buf1), 965 CONVERTB(kswap[n].ksw_used), 966 "", 967 HN_AUTOSCALE, HN_NOSPACE | 968 HN_FRACTIONAL); 969 humanize_number(buf2, sizeof(buf2), 970 CONVERTB(kswap[n].ksw_total), 971 "", 972 HN_AUTOSCALE, HN_NOSPACE | 973 HN_FRACTIONAL); 974 printf("%s/%s swap space\n", buf1, buf2); 975 } else { 976 blocksize = 1024 * 1024; 977 printf("%ldM/%ldM swap space\n", 978 CONVERT(kswap[n].ksw_used), 979 CONVERT(kswap[n].ksw_total)); 980 } 981 } else if (n > 1) { 982 Output("Total", hlen, &kswap[n], 0); 983 } 984 } 985 986 static 987 void 988 Output(const char *name, int hlen, struct kvm_swap *kswap, int flags) 989 { 990 char buf1[32]; 991 char buf2[32]; 992 char buf3[32]; 993 994 if (humanflag) { 995 humanize_number(buf1, 6, 996 CONVERTB(kswap->ksw_total), 997 "", 998 HN_AUTOSCALE, 999 HN_NOSPACE | HN_FRACTIONAL); 1000 humanize_number(buf2, 6, 1001 CONVERTB(kswap->ksw_used), 1002 "", 1003 HN_AUTOSCALE, 1004 HN_NOSPACE | HN_FRACTIONAL); 1005 humanize_number(buf3, 6, 1006 CONVERTB(kswap->ksw_total - 1007 kswap->ksw_used), 1008 "", 1009 HN_AUTOSCALE, 1010 HN_NOSPACE | HN_FRACTIONAL); 1011 } else { 1012 snprintf(buf1, sizeof(buf1), "%*ld", 1013 hlen, 1014 CONVERT(kswap->ksw_total)); 1015 snprintf(buf2, sizeof(buf2), "%8ld", 1016 CONVERT(kswap->ksw_used)); 1017 snprintf(buf3, sizeof(buf2), "%8ld", 1018 CONVERT(kswap->ksw_total - 1019 kswap->ksw_used)); 1020 } 1021 printf("%-15s %*s ", name, hlen, buf1); 1022 printf("%8s %8s %5.0f%%", 1023 buf2, 1024 buf3, 1025 (double)kswap->ksw_used * 100.0 / (double)kswap->ksw_total); 1026 if (flags) { 1027 printf(" %s", 1028 ((kswap->ksw_flags & SW_SEQUENTIAL) ? 1029 "Sequential" : "Interleaved")); 1030 } 1031 printf("\n"); 1032 } 1033