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/tty.h> 53 #include <sys/conf.h> 54 #include <sys/blist.h> 55 56 #include <sys/sysctl.h> 57 58 #include <err.h> 59 #include <fcntl.h> 60 #include <kvm.h> 61 #include <limits.h> 62 #include <nlist.h> 63 #include <stdio.h> 64 #include <stdlib.h> 65 #include <string.h> 66 #include <unistd.h> 67 #include <libutil.h> 68 69 #ifdef USE_KCORE 70 # define KCORE_KINFO_WRAPPER 71 # include <kcore.h> 72 #else 73 # include <kinfo.h> 74 #endif 75 76 /* 77 * Backoff to DECIMAL mode if humanize_number does not have FRACTIONAL mode. 78 */ 79 #ifndef HN_FRACTIONAL 80 #define HN_FRACTIONAL HN_DECIMAL 81 #endif 82 83 enum { 84 NL_MOUNTLIST, 85 NL_NUMVNODES, 86 NL_RC_TTY, 87 NL_NRC_TTY, 88 NL_CY_TTY, 89 NL_NCY_TTY, 90 NL_SI_TTY, 91 NL_SI_NPORTS, 92 }; 93 94 const size_t NL_LAST_MANDATORY = NL_NUMVNODES; 95 96 struct nlist nl[] = { 97 { "_mountlist", 0, 0, 0, 0 }, /* address of head of mount list. */ 98 { "_numvnodes", 0, 0, 0, 0 }, 99 { "_rc_tty", 0, 0, 0, 0 }, 100 { "_nrc_tty", 0, 0, 0, 0 }, 101 { "_cy_tty", 0, 0, 0, 0 }, 102 { "_ncy_tty", 0, 0, 0, 0 }, 103 { "_si__tty", 0, 0, 0, 0 }, 104 { "_si_Nports", 0, 0, 0, 0 }, 105 { "", 0, 0, 0, 0 } 106 }; 107 108 int usenumflag; 109 int totalflag; 110 int swapflag; 111 int humanflag; 112 long pagesize; 113 long blocksize; 114 char *nlistf = NULL; 115 char *memf = NULL; 116 kvm_t *kd; 117 118 const char *usagestr; 119 120 struct { 121 int m_flag; 122 const char *m_name; 123 } mnt_flags[] = { 124 { MNT_RDONLY, "rdonly" }, 125 { MNT_SYNCHRONOUS, "sync" }, 126 { MNT_NOEXEC, "noexec" }, 127 { MNT_NOSUID, "nosuid" }, 128 { MNT_NODEV, "nodev" }, 129 { MNT_ASYNC, "async" }, 130 { MNT_SUIDDIR, "suiddir" }, 131 { MNT_SOFTDEP, "softdep" }, 132 { MNT_NOSYMFOLLOW, "nosymfollow" }, 133 { MNT_NOATIME, "noatime" }, 134 { MNT_NOCLUSTERR, "noclusterread" }, 135 { MNT_NOCLUSTERW, "noclusterwrite" }, 136 { MNT_EXRDONLY, "exrdonly" }, 137 { MNT_EXPORTED, "exported" }, 138 { MNT_DEFEXPORTED, "defexported" }, 139 { MNT_EXPORTANON, "exportanon" }, 140 { MNT_EXKERB, "exkerb" }, 141 { MNT_EXPUBLIC, "public" }, 142 { MNT_LOCAL, "local" }, 143 { MNT_QUOTA, "quota" }, 144 { MNT_ROOTFS, "rootfs" }, 145 { MNT_USER, "user" }, 146 { MNT_IGNORE, "ignore" }, 147 { MNT_UPDATE, "update" }, 148 { MNT_DELEXPORT, "delexport" }, 149 { MNT_RELOAD, "reload" }, 150 { MNT_FORCE, "force" }, 151 { 0, NULL } 152 }; 153 154 155 #define SVAR(var) __STRING(var) /* to force expansion */ 156 #define KGET(idx, var) \ 157 KGET1(idx, &var, sizeof(var), SVAR(var)) 158 #define KGET1(idx, p, s, msg) \ 159 KGET2(nl[idx].n_value, p, s, msg) 160 #define KGET2(addr, p, s, msg) \ 161 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 162 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 163 #define KGETN(idx, var) \ 164 KGET1N(idx, &var, sizeof(var), SVAR(var)) 165 #define KGET1N(idx, p, s, msg) \ 166 KGET2N(nl[idx].n_value, p, s, msg) 167 #define KGET2N(addr, p, s, msg) \ 168 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 169 #define KGETRET(addr, p, s, msg) \ 170 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 171 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 172 return (0); \ 173 } 174 175 void filemode(void); 176 int getfiles(char **, int *); 177 struct mount * 178 getmnt(struct mount *); 179 struct e_vnode * 180 kinfo_vnodes(int *); 181 struct e_vnode * 182 loadvnodes(int *); 183 void mount_print(struct mount *); 184 void nfs_header(void); 185 int nfs_print(struct vnode *); 186 void swapmode(void); 187 void ttymode(void); 188 void ttyprt(struct tty *, int); 189 void ttytype(struct tty *, const char *, int, int, int); 190 void ufs_header(void); 191 int ufs_print(struct vnode *); 192 static void usage(void); 193 void vnode_header(void); 194 void vnode_print(struct vnode *, struct vnode *); 195 void vnodemode(void); 196 197 static void Output(const char *name, int hlen, 198 struct kvm_swap *kswap, int flags); 199 200 int 201 main(int argc, char **argv) 202 { 203 int ch, ret; 204 int fileflag, ttyflag, vnodeflag; 205 char buf[_POSIX2_LINE_MAX]; 206 const char *opts; 207 208 fileflag = swapflag = ttyflag = vnodeflag = 0; 209 210 /* We will behave like good old swapinfo if thus invoked */ 211 opts = strrchr(argv[0],'/'); 212 if (opts) 213 opts++; 214 else 215 opts = argv[0]; 216 if (!strcmp(opts,"swapinfo")) { 217 swapflag = 1; 218 opts = "ghkmM:N:"; 219 usagestr = "swapinfo [-ghkm] [-M core] [-N system]"; 220 } else { 221 opts = "TM:N:fhiknstv"; 222 usagestr = "pstat [-Tfhknst] [-M core] [-N system]"; 223 } 224 225 while ((ch = getopt(argc, argv, opts)) != -1) { 226 switch (ch) { 227 case 'f': 228 fileflag = 1; 229 break; 230 case 'g': 231 if (setenv("BLOCKSIZE", "1G", 1) == -1) 232 warn("setenv: cannot set BLOCKSIZE=1K"); 233 break; 234 case 'k': 235 if (setenv("BLOCKSIZE", "1K", 1) == -1) 236 warn("setenv: cannot set BLOCKSIZE=1K"); 237 break; 238 case 'm': 239 if (setenv("BLOCKSIZE", "1M", 1) == -1) 240 warn("setenv: cannot set BLOCKSIZE=1K"); 241 break; 242 case 'h': 243 humanflag = 1; 244 break; 245 case 'M': 246 memf = optarg; 247 break; 248 case 'N': 249 nlistf = optarg; 250 break; 251 case 'n': 252 usenumflag = 1; 253 break; 254 case 's': 255 ++swapflag; 256 break; 257 case 'T': 258 totalflag = 1; 259 break; 260 case 't': 261 ttyflag = 1; 262 break; 263 case 'v': 264 case 'i': /* Backward compatibility. */ 265 errx(1, "vnode mode not supported"); 266 #if 0 267 vnodeflag = 1; 268 break; 269 #endif 270 default: 271 usage(); 272 } 273 } 274 argc -= optind; 275 argv += optind; 276 277 /* 278 * Discard setgid privileges if not the running kernel so that bad 279 * guys can't print interesting stuff from kernel memory. 280 */ 281 if (nlistf != NULL || memf != NULL) 282 setgid(getgid()); 283 284 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL) 285 errx(1, "kvm_openfiles: %s", buf); 286 #ifdef USE_KCORE 287 if (kcore_wrapper_open(nlistf, memf, buf)) 288 errx(1, "kcore_open: %s", buf); 289 #endif 290 if ((ret = kvm_nlist(kd, nl)) != 0) { 291 size_t i; 292 int quit = 0; 293 294 if (ret == -1) 295 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 296 for (i = 0; i < NL_LAST_MANDATORY; i++) { 297 if (!nl[i].n_value) { 298 quit = 1; 299 warnx("undefined symbol: %s", nl[i].n_name); 300 } 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(void) 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(void) 332 { 333 struct e_vnode *e_vnodebase, *endvnode, *evp; 334 struct vnode *vp; 335 struct mount *maddr, *mp = NULL; 336 int numvnodes; 337 338 e_vnodebase = loadvnodes(&numvnodes); 339 if (totalflag) { 340 printf("%7d vnodes\n", numvnodes); 341 return; 342 } 343 endvnode = e_vnodebase + numvnodes; 344 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 !strcmp(ST.f_fstypename, "mfs")) 362 ufs_header(); 363 else if (!strcmp(ST.f_fstypename, "nfs")) 364 nfs_header(); 365 printf("\n"); 366 } 367 vnode_print(evp->avnode, vp); 368 if (!strcmp(ST.f_fstypename, "ufs") || 369 !strcmp(ST.f_fstypename, "mfs")) 370 ufs_print(vp); 371 else if (!strcmp(ST.f_fstypename, "nfs")) 372 nfs_print(vp); 373 printf("\n"); 374 } 375 free(e_vnodebase); 376 } 377 378 void 379 vnode_header(void) 380 { 381 printf("ADDR TYP VFLAG USE HOLD"); 382 } 383 384 void 385 vnode_print(struct vnode *avnode, struct vnode *vp) 386 { 387 const char *type; 388 char flags[32]; 389 char *fp = flags; 390 int flag; 391 int refs; 392 393 /* 394 * set type 395 */ 396 switch (vp->v_type) { 397 case VNON: 398 type = "non"; break; 399 case VREG: 400 type = "reg"; break; 401 case VDIR: 402 type = "dir"; break; 403 case VBLK: 404 type = "blk"; break; 405 case VCHR: 406 type = "chr"; break; 407 case VLNK: 408 type = "lnk"; break; 409 case VSOCK: 410 type = "soc"; break; 411 case VFIFO: 412 type = "fif"; break; 413 case VBAD: 414 type = "bad"; break; 415 default: 416 type = "unk"; break; 417 } 418 /* 419 * gather flags 420 */ 421 flag = vp->v_flag; 422 if (flag & VROOT) 423 *fp++ = 'R'; 424 if (flag & VTEXT) 425 *fp++ = 'T'; 426 if (flag & VSYSTEM) 427 *fp++ = 'S'; 428 if (flag & VISTTY) 429 *fp++ = 't'; 430 #ifdef VXLOCK 431 if (flag & VXLOCK) 432 *fp++ = 'L'; 433 if (flag & VXWANT) 434 *fp++ = 'W'; 435 #endif 436 if (flag & VOBJBUF) 437 *fp++ = 'V'; 438 if (flag & (VAGE0 | VAGE1)) 439 *fp++ = 'a'; 440 #ifdef VDOOMED 441 if (flag & VDOOMED) 442 *fp++ = 'D'; 443 #endif 444 if (flag & VONWORKLST) 445 *fp++ = 'O'; 446 #ifdef VRECLAIMED 447 if (flag & VINACTIVE) 448 *fp++ = 'I'; 449 if (flag & VRECLAIMED) 450 *fp++ = 'X'; 451 #endif 452 453 if (flag == 0) 454 *fp++ = '-'; 455 *fp = '\0'; 456 457 /* 458 * Convert SYSREF ref counts into something more 459 * human readable for display. 460 */ 461 refs = vp->v_refcnt; 462 printf("%8lx %s %5s %08x %4d", 463 (u_long)(void *)avnode, type, flags, refs, vp->v_auxrefs); 464 } 465 466 void 467 ufs_header(void) 468 { 469 printf(" FILEID IFLAG RDEV|SZ"); 470 } 471 472 int 473 ufs_print(struct vnode *vp) 474 { 475 int flag; 476 struct inode inode, *ip = &inode; 477 char flagbuf[16], *flags = flagbuf; 478 char *name; 479 mode_t type; 480 481 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 482 flag = ip->i_flag; 483 if (flag & IN_ACCESS) 484 *flags++ = 'A'; 485 if (flag & IN_CHANGE) 486 *flags++ = 'C'; 487 if (flag & IN_UPDATE) 488 *flags++ = 'U'; 489 if (flag & IN_MODIFIED) 490 *flags++ = 'M'; 491 if (flag & IN_RENAME) 492 *flags++ = 'R'; 493 if (flag & IN_SHLOCK) 494 *flags++ = 'S'; 495 if (flag & IN_EXLOCK) 496 *flags++ = 'E'; 497 if (flag & IN_HASHED) 498 *flags++ = 'H'; 499 if (flag & IN_LAZYMOD) 500 *flags++ = 'L'; 501 if (flag == 0) 502 *flags++ = '-'; 503 *flags = '\0'; 504 505 printf(" %6ju %5s", (uintmax_t)ip->i_number, flagbuf); 506 type = ip->i_mode & S_IFMT; 507 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 508 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 509 printf(" %2d,%-2d", 510 major(ip->i_rdev), minor(ip->i_rdev)); 511 else 512 printf(" %7s", name); 513 else 514 printf(" %7ju", (uintmax_t)ip->i_size); 515 return (0); 516 } 517 518 void 519 nfs_header(void) 520 { 521 printf(" FILEID NFLAG RDEV|SZ"); 522 } 523 524 int 525 nfs_print(struct vnode *vp) 526 { 527 struct nfsnode nfsnode, *np = &nfsnode; 528 char flagbuf[16], *flags = flagbuf; 529 int flag; 530 char *name; 531 mode_t type; 532 533 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 534 flag = np->n_flag; 535 if (flag & NFLUSHWANT) 536 *flags++ = 'W'; 537 if (flag & NFLUSHINPROG) 538 *flags++ = 'P'; 539 if (flag & NLMODIFIED) 540 *flags++ = 'M'; 541 if (flag & NRMODIFIED) 542 *flags++ = 'R'; 543 if (flag & NWRITEERR) 544 *flags++ = 'E'; 545 if (flag & NQNFSEVICTED) 546 *flags++ = 'G'; 547 if (flag & NACC) 548 *flags++ = 'A'; 549 if (flag & NUPD) 550 *flags++ = 'U'; 551 if (flag & NCHG) 552 *flags++ = 'C'; 553 if (flag & NLOCKED) 554 *flags++ = 'L'; 555 if (flag & NWANTED) 556 *flags++ = 'w'; 557 if (flag == 0) 558 *flags++ = '-'; 559 *flags = '\0'; 560 561 #define VT np->n_vattr 562 printf(" %6ju %5s", (uintmax_t)VT.va_fileid, flagbuf); 563 type = VT.va_mode & S_IFMT; 564 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 565 if (usenumflag || ((name = devname((VT.va_rmajor << 8) | VT.va_rminor, type)) == NULL)) 566 printf(" %2d,%-2d", 567 VT.va_rmajor, VT.va_rminor); 568 else 569 printf(" %7s", name); 570 else 571 printf(" %7ju", (uintmax_t)np->n_size); 572 return (0); 573 } 574 575 /* 576 * Given a pointer to a mount structure in kernel space, 577 * read it in and return a usable pointer to it. 578 */ 579 struct mount * 580 getmnt(struct mount *maddr) 581 { 582 static struct mtab { 583 struct mtab *next; 584 struct mount *maddr; 585 struct mount mount; 586 } *mhead = NULL; 587 struct mtab *mt; 588 589 for (mt = mhead; mt != NULL; mt = mt->next) 590 if (maddr == mt->maddr) 591 return (&mt->mount); 592 if ((mt = malloc(sizeof(struct mtab))) == NULL) 593 errx(1, "malloc"); 594 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 595 mt->maddr = maddr; 596 mt->next = mhead; 597 mhead = mt; 598 return (&mt->mount); 599 } 600 601 void 602 mount_print(struct mount *mp) 603 { 604 int flags; 605 606 #define ST mp->mnt_stat 607 printf("*** MOUNT %s %s on %s", ST.f_fstypename, 608 ST.f_mntfromname, ST.f_mntonname); 609 if ((flags = mp->mnt_flag)) { 610 int i; 611 const char *sep = " ("; 612 613 for (i = 0; mnt_flags[i].m_flag; i++) { 614 if (flags & mnt_flags[i].m_flag) { 615 printf("%s%s", sep, mnt_flags[i].m_name); 616 flags &= ~mnt_flags[i].m_flag; 617 sep = ","; 618 } 619 } 620 if (flags) 621 printf("%sunknown_flags:%x", sep, flags); 622 printf(")"); 623 } 624 printf("\n"); 625 #undef ST 626 } 627 628 struct e_vnode * 629 loadvnodes(int *avnodes) 630 { 631 int mib[2]; 632 size_t copysize; 633 struct e_vnode *vnodebase; 634 635 if (memf != NULL) { 636 /* 637 * do it by hand 638 */ 639 return (kinfo_vnodes(avnodes)); 640 } 641 mib[0] = CTL_KERN; 642 mib[1] = KERN_VNODE; 643 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 644 err(1, "sysctl: KERN_VNODE"); 645 if ((vnodebase = malloc(copysize)) == NULL) 646 errx(1, "malloc"); 647 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 648 err(1, "sysctl: KERN_VNODE"); 649 if (copysize % sizeof(struct e_vnode)) 650 errx(1, "vnode size mismatch"); 651 *avnodes = copysize / sizeof(struct e_vnode); 652 653 return (vnodebase); 654 } 655 656 /* 657 * simulate what a running kernel does in in kinfo_vnode 658 */ 659 struct e_vnode * 660 kinfo_vnodes(int *avnodes) 661 { 662 struct mntlist mountlist; 663 struct mount *mp, mounth, *mp_next; 664 struct vnode *vp, vnode, *vp_next; 665 char *vbuf, *evbuf, *bp; 666 int num, numvnodes; 667 668 #define VPTRSZ sizeof(struct vnode *) 669 #define VNODESZ sizeof(struct vnode) 670 671 KGET(NL_NUMVNODES, numvnodes); 672 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 673 errx(1, "malloc"); 674 bp = vbuf; 675 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 676 KGET(NL_MOUNTLIST, mountlist); 677 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 678 KGET2(mp, &mounth, sizeof(mounth), "mount entry"); 679 mp_next = TAILQ_NEXT(&mounth, mnt_list); 680 for (vp = TAILQ_FIRST(&mounth.mnt_nvnodelist); 681 vp != NULL; vp = vp_next) { 682 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 683 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 684 if ((bp + VPTRSZ + VNODESZ) > evbuf) 685 /* XXX - should realloc */ 686 errx(1, "no more room for vnodes"); 687 memmove(bp, &vp, VPTRSZ); 688 bp += VPTRSZ; 689 memmove(bp, &vnode, VNODESZ); 690 bp += VNODESZ; 691 num++; 692 } 693 if (mp == TAILQ_LAST(&mountlist, mntlist)) 694 break; 695 } 696 *avnodes = num; 697 return ((struct e_vnode *)vbuf); 698 } 699 700 char hdr[] = 701 " LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 702 int ttyspace = 128; 703 704 void 705 ttymode(void) 706 { 707 struct tty *tty; 708 struct tty ttyb[1000]; 709 int error; 710 size_t len, i; 711 712 printf("%s", hdr); 713 len = sizeof(ttyb); 714 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 715 if (!error) { 716 len /= sizeof(ttyb[0]); 717 for (i = 0; i < len; i++) { 718 ttyprt(&ttyb[i], 0); 719 } 720 } 721 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 722 errx(1, "malloc"); 723 if (nl[NL_NRC_TTY].n_type != 0) 724 ttytype(tty, "rc", NL_RC_TTY, NL_NRC_TTY, 0); 725 if (nl[NL_NCY_TTY].n_type != 0) 726 ttytype(tty, "cy", NL_CY_TTY, NL_NCY_TTY, 0); 727 if (nl[NL_SI_NPORTS].n_type != 0) 728 ttytype(tty, "si", NL_SI_TTY, NL_SI_NPORTS, 1); 729 free(tty); 730 } 731 732 void 733 ttytype(struct tty *tty, const char *name, int type, int number, int indir) 734 { 735 struct tty *tp; 736 int ntty; 737 struct tty **ttyaddr; 738 739 if (tty == NULL) 740 return; 741 KGET(number, ntty); 742 printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 743 if (ntty > ttyspace) { 744 ttyspace = ntty; 745 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == NULL) 746 errx(1, "realloc"); 747 } 748 if (indir) { 749 KGET(type, ttyaddr); 750 KGET2(ttyaddr, tty, (ssize_t)(ntty * sizeof(struct tty)), 751 "tty structs"); 752 } else { 753 KGET1(type, tty, (ssize_t)(ntty * sizeof(struct tty)), 754 "tty structs"); 755 } 756 printf("%s", hdr); 757 for (tp = tty; tp < &tty[ntty]; tp++) 758 ttyprt(tp, tp - tty); 759 } 760 761 struct { 762 int flag; 763 char val; 764 } ttystates[] = { 765 #ifdef TS_WOPEN 766 { TS_WOPEN, 'W'}, 767 #endif 768 { TS_ISOPEN, 'O'}, 769 { TS_CARR_ON, 'C'}, 770 #ifdef TS_CONNECTED 771 { TS_CONNECTED, 'c'}, 772 #endif 773 { TS_TIMEOUT, 'T'}, 774 { TS_FLUSH, 'F'}, 775 { TS_BUSY, 'B'}, 776 #ifdef TS_ASLEEP 777 { TS_ASLEEP, 'A'}, 778 #endif 779 #ifdef TS_SO_OLOWAT 780 { TS_SO_OLOWAT, 'A'}, 781 #endif 782 #ifdef TS_SO_OCOMPLETE 783 { TS_SO_OCOMPLETE, 'a'}, 784 #endif 785 { TS_XCLUDE, 'X'}, 786 { TS_TTSTOP, 'S'}, 787 #ifdef TS_CAR_OFLOW 788 { TS_CAR_OFLOW, 'm'}, 789 #endif 790 #ifdef TS_CTS_OFLOW 791 { TS_CTS_OFLOW, 'o'}, 792 #endif 793 #ifdef TS_DSR_OFLOW 794 { TS_DSR_OFLOW, 'd'}, 795 #endif 796 { TS_TBLOCK, 'K'}, 797 { TS_ASYNC, 'Y'}, 798 { TS_BKSL, 'D'}, 799 { TS_ERASE, 'E'}, 800 { TS_LNCH, 'L'}, 801 { TS_TYPEN, 'P'}, 802 { TS_CNTTB, 'N'}, 803 #ifdef TS_CAN_BYPASS_L_RINT 804 { TS_CAN_BYPASS_L_RINT, 'l'}, 805 #endif 806 #ifdef TS_SNOOP 807 { TS_SNOOP, 's'}, 808 #endif 809 #ifdef TS_ZOMBIE 810 { TS_ZOMBIE, 'Z'}, 811 #endif 812 { 0, '\0'}, 813 }; 814 815 void 816 ttyprt(struct tty *tp, int line) 817 { 818 int i, j; 819 pid_t pgid; 820 char *name, state[20]; 821 dev_t dev; 822 823 dev = (uintptr_t)tp->t_dev & 0xffff; /* XXX t_dev is really dev_t */ 824 825 if (usenumflag || dev == 0 || (name = devname(dev, S_IFCHR)) == NULL) 826 printf("%7d ", line); 827 else 828 printf("%7s ", name); 829 printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 830 printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 831 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 832 tp->t_column); 833 for (i = j = 0; ttystates[i].flag; i++) 834 if (tp->t_state&ttystates[i].flag) 835 state[j++] = ttystates[i].val; 836 if (j == 0) 837 state[j++] = '-'; 838 state[j] = '\0'; 839 printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 840 pgid = 0; 841 if (tp->t_pgrp != NULL) 842 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 843 printf("%6d ", pgid); 844 switch (tp->t_line) { 845 case TTYDISC: 846 printf("term\n"); 847 break; 848 case SLIPDISC: 849 printf("slip\n"); 850 break; 851 case PPPDISC: 852 printf("ppp\n"); 853 break; 854 default: 855 printf("%d\n", tp->t_line); 856 break; 857 } 858 } 859 860 void 861 filemode(void) 862 { 863 struct kinfo_file *fp, *ofp; 864 size_t len; 865 char flagbuf[16], *fbp; 866 int maxfile, nfile; 867 static const char *dtypes[] = { "???", "inode", "socket" }; 868 869 if (kinfo_get_maxfiles(&maxfile)) 870 err(1, "kinfo_get_maxfiles"); 871 if (totalflag) { 872 if (kinfo_get_openfiles(&nfile)) 873 err(1, "kinfo_get_openfiles"); 874 printf("%3d/%3d files\n", nfile, maxfile); 875 return; 876 } 877 if (kinfo_get_files(&fp, &len)) 878 err(1, "kinfo_get_files"); 879 ofp = fp; 880 881 printf("%zu/%d open files\n", len, maxfile); 882 printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 883 for (; len-- > 0; fp++) { 884 if ((unsigned)fp->f_type > DTYPE_SOCKET) 885 continue; 886 printf("%p ", fp->f_file); 887 printf("%-8.8s", dtypes[fp->f_type]); 888 fbp = flagbuf; 889 if (fp->f_flag & FREAD) 890 *fbp++ = 'R'; 891 if (fp->f_flag & FWRITE) 892 *fbp++ = 'W'; 893 if (fp->f_flag & FAPPEND) 894 *fbp++ = 'A'; 895 #ifdef FSHLOCK /* currently gone */ 896 if (fp->f_flag & FSHLOCK) 897 *fbp++ = 'S'; 898 if (fp->f_flag & FEXLOCK) 899 *fbp++ = 'X'; 900 #endif 901 if (fp->f_flag & FASYNC) 902 *fbp++ = 'I'; 903 *fbp = '\0'; 904 printf("%6s %3d", flagbuf, fp->f_count); 905 printf(" %3d", fp->f_msgcount); 906 printf(" %8lx", (u_long)(void *)fp->f_data); 907 if (fp->f_offset < 0) 908 printf(" %jx\n", (uintmax_t)fp->f_offset); 909 else 910 printf(" %jd\n", (intmax_t)fp->f_offset); 911 } 912 free(ofp); 913 } 914 915 /* 916 * swapmode is based on a program called swapinfo written 917 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 918 */ 919 void 920 swapmode(void) 921 { 922 struct kvm_swap kswap[16]; 923 int i; 924 int n; 925 const char *header; 926 int hlen; 927 928 pagesize = getpagesize(); 929 n = kvm_getswapinfo( 930 kd, 931 kswap, 932 NELEM(kswap), 933 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 934 ); 935 936 #define CONVERT(v) ((long)((quad_t)(v) * pagesize / blocksize)) 937 #define CONVERTB(v) ((long)((quad_t)(v) * pagesize)) 938 939 if (humanflag) { 940 hlen = 9; 941 header = " Blocks"; 942 } else { 943 header = getbsize(&hlen, &blocksize); 944 } 945 946 if (totalflag == 0) { 947 printf("%-15s %*s %8s %8s %8s %s\n", 948 "Device", hlen, header, 949 "Used", "Avail", "Capacity", "Type"); 950 951 for (i = 0; i < n; ++i) { 952 Output(kswap[i].ksw_devname, hlen, &kswap[i], 1); 953 } 954 } 955 956 if (totalflag) { 957 if (humanflag) { 958 char buf1[6]; 959 char buf2[6]; 960 humanize_number(buf1, sizeof(buf1), 961 CONVERTB(kswap[n].ksw_used), 962 "", 963 HN_AUTOSCALE, HN_NOSPACE | 964 HN_FRACTIONAL); 965 humanize_number(buf2, sizeof(buf2), 966 CONVERTB(kswap[n].ksw_total), 967 "", 968 HN_AUTOSCALE, HN_NOSPACE | 969 HN_FRACTIONAL); 970 printf("%s/%s swap space\n", buf1, buf2); 971 } else { 972 blocksize = 1024 * 1024; 973 printf("%ldM/%ldM swap space\n", 974 CONVERT(kswap[n].ksw_used), 975 CONVERT(kswap[n].ksw_total)); 976 } 977 } else if (n > 1) { 978 Output("Total", hlen, &kswap[n], 0); 979 } 980 } 981 982 static 983 void 984 Output(const char *name, int hlen, struct kvm_swap *kswap, int flags) 985 { 986 char buf1[32]; 987 char buf2[32]; 988 char buf3[32]; 989 990 if (humanflag) { 991 humanize_number(buf1, 6, 992 CONVERTB(kswap->ksw_total), 993 "", 994 HN_AUTOSCALE, 995 HN_NOSPACE | HN_FRACTIONAL); 996 humanize_number(buf2, 6, 997 CONVERTB(kswap->ksw_used), 998 "", 999 HN_AUTOSCALE, 1000 HN_NOSPACE | HN_FRACTIONAL); 1001 humanize_number(buf3, 6, 1002 CONVERTB(kswap->ksw_total - 1003 kswap->ksw_used), 1004 "", 1005 HN_AUTOSCALE, 1006 HN_NOSPACE | HN_FRACTIONAL); 1007 } else { 1008 snprintf(buf1, sizeof(buf1), "%*ld", 1009 hlen, 1010 CONVERT(kswap->ksw_total)); 1011 snprintf(buf2, sizeof(buf2), "%8ld", 1012 CONVERT(kswap->ksw_used)); 1013 snprintf(buf3, sizeof(buf2), "%8ld", 1014 CONVERT(kswap->ksw_total - 1015 kswap->ksw_used)); 1016 } 1017 printf("%-15s %*s ", name, hlen, buf1); 1018 printf("%8s %8s %5.0f%%", 1019 buf2, 1020 buf3, 1021 (double)kswap->ksw_used * 100.0 / (double)kswap->ksw_total); 1022 if (flags) { 1023 printf(" %s", 1024 ((kswap->ksw_flags & SW_SEQUENTIAL) ? 1025 "Sequential" : "Interleaved")); 1026 } 1027 printf("\n"); 1028 } 1029