1 /* $OpenBSD: pstat.c,v 1.108 2016/08/14 22:47:26 guenther Exp $ */ 2 /* $NetBSD: pstat.c,v 1.27 1996/10/23 22:50:06 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1980, 1991, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/param.h> /* MAXCOMLEN DEV_BSIZE */ 34 #include <sys/types.h> 35 #include <sys/proc.h> 36 #include <sys/time.h> 37 #include <sys/vnode.h> 38 #include <sys/ucred.h> 39 #include <sys/stat.h> 40 #define _KERNEL 41 #include <sys/file.h> 42 #include <ufs/ufs/quota.h> 43 #include <ufs/ufs/inode.h> 44 #include <sys/mount.h> 45 #undef _KERNEL 46 #include <nfs/nfsproto.h> 47 #include <nfs/rpcv2.h> 48 #include <nfs/nfsnode.h> 49 #include <sys/ioctl.h> 50 #include <sys/tty.h> 51 #include <sys/conf.h> 52 #include <sys/device.h> 53 #include <sys/swap.h> 54 55 #include <sys/sysctl.h> 56 57 #include <stdint.h> 58 #include <endian.h> 59 #include <err.h> 60 #include <kvm.h> 61 #include <limits.h> 62 #include <nlist.h> 63 #include <paths.h> 64 #include <stdio.h> 65 #include <stdlib.h> 66 #include <string.h> 67 #include <unistd.h> 68 69 struct nlist vnodenl[] = { 70 #define FNL_NFILE 0 /* sysctl */ 71 {"_nfiles"}, 72 #define FNL_MAXFILE 1 /* sysctl */ 73 {"_maxfiles"}, 74 #define TTY_NTTY 2 /* sysctl */ 75 {"_tty_count"}, 76 #define V_NUMV 3 /* sysctl */ 77 { "_numvnodes" }, 78 #define TTY_TTYLIST 4 /* sysctl */ 79 {"_ttylist"}, 80 #define V_MOUNTLIST 5 /* no sysctl */ 81 { "_mountlist" }, 82 { NULL } 83 }; 84 85 struct nlist *globalnl; 86 87 struct e_vnode { 88 struct vnode *vptr; 89 struct vnode vnode; 90 }; 91 92 int usenumflag; 93 int totalflag; 94 int kflag; 95 char *nlistf = NULL; 96 char *memf = NULL; 97 kvm_t *kd = NULL; 98 99 #define SVAR(var) __STRING(var) /* to force expansion */ 100 #define KGET(idx, var) \ 101 KGET1(idx, &var, sizeof(var), SVAR(var)) 102 #define KGET1(idx, p, s, msg) \ 103 KGET2(globalnl[idx].n_value, p, s, msg) 104 #define KGET2(addr, p, s, msg) \ 105 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 106 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 107 #define KGETRET(addr, p, s, msg) \ 108 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 109 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 110 return (0); \ 111 } 112 113 void filemode(void); 114 struct mount * 115 getmnt(struct mount *); 116 struct e_vnode * 117 kinfo_vnodes(int *); 118 void mount_print(struct mount *); 119 void nfs_header(void); 120 int nfs_print(struct vnode *); 121 void swapmode(void); 122 void ttymode(void); 123 void ttyprt(struct itty *); 124 void tty2itty(struct tty *tp, struct itty *itp); 125 void ufs_header(void); 126 int ufs_print(struct vnode *); 127 void ext2fs_header(void); 128 int ext2fs_print(struct vnode *); 129 void usage(void); 130 void vnode_header(void); 131 void vnode_print(struct vnode *, struct vnode *); 132 void vnodemode(void); 133 134 int hideroot; 135 136 int 137 main(int argc, char *argv[]) 138 { 139 int fileflag = 0, swapflag = 0, ttyflag = 0, vnodeflag = 0, ch; 140 char buf[_POSIX2_LINE_MAX]; 141 const char *dformat = NULL; 142 extern char *optarg; 143 extern int optind; 144 int i, need_nlist; 145 146 hideroot = getuid(); 147 148 while ((ch = getopt(argc, argv, "d:TM:N:fiknstv")) != -1) 149 switch (ch) { 150 case 'd': 151 dformat = optarg; 152 break; 153 case 'f': 154 fileflag = 1; 155 break; 156 case 'M': 157 memf = optarg; 158 break; 159 case 'N': 160 nlistf = optarg; 161 break; 162 case 'n': 163 usenumflag = 1; 164 break; 165 case 's': 166 swapflag = 1; 167 break; 168 case 'T': 169 totalflag = 1; 170 break; 171 case 't': 172 ttyflag = 1; 173 break; 174 case 'k': 175 kflag = 1; 176 break; 177 case 'v': 178 case 'i': /* Backward compatibility. */ 179 vnodeflag = 1; 180 break; 181 default: 182 usage(); 183 } 184 argc -= optind; 185 argv += optind; 186 187 if (dformat && getuid()) 188 errx(1, "Only root can use -d"); 189 190 if ((dformat == NULL && argc > 0) || (dformat && argc == 0)) 191 usage(); 192 193 need_nlist = vnodeflag || dformat; 194 195 if (nlistf != NULL || memf != NULL) { 196 if (fileflag || totalflag) 197 need_nlist = 1; 198 } 199 200 if (vnodeflag || fileflag || dformat || need_nlist) 201 if ((kd = kvm_openfiles(nlistf, memf, NULL, 202 O_RDONLY | (need_nlist ? 0 : KVM_NO_FILES), buf)) == 0) 203 errx(1, "kvm_openfiles: %s", buf); 204 205 if (dformat) { 206 struct nlist *nl; 207 int longformat = 0, stringformat = 0, error = 0, n; 208 uint32_t mask = ~0; 209 char format[10], buf[1024]; 210 211 n = strlen(dformat); 212 if (n == 0) 213 errx(1, "illegal format"); 214 215 /* 216 * Support p, c, s, and {l, ll, h, hh, j, t, z, }[diouxX] 217 */ 218 if (strcmp(dformat, "p") == 0) 219 longformat = sizeof(long) == 8; 220 else if (strcmp(dformat, "c") == 0) 221 mask = 0xff; 222 else if (strcmp(dformat, "s") == 0) 223 stringformat = 1; 224 else if (strchr("diouxX", dformat[n - 1])) { 225 char *ptbl[]= {"l", "ll", "h", "hh", "j", "t", "z", ""}; 226 int i; 227 228 char *mod; 229 for (i = 0; i < sizeof(ptbl)/sizeof(ptbl[0]); i++) { 230 mod = ptbl[i]; 231 if (strlen(mod) == n - 1 && 232 strncmp(mod, dformat, strlen(mod)) == 0) 233 break; 234 } 235 if (i == sizeof(ptbl)/sizeof(ptbl[0]) 236 && dformat[1] != '\0') 237 errx(1, "illegal format"); 238 if (strcmp(mod, "l") == 0) 239 longformat = sizeof(long) == sizeof(long long); 240 else if (strcmp(mod, "h") == 0) 241 mask = 0xffff; 242 else if (strcmp(mod, "hh") == 0) 243 mask = 0xff; 244 else 245 longformat = 1; 246 247 } else 248 errx(1, "illegal format"); 249 250 if (*dformat == 's') { 251 stringformat = 1; 252 snprintf(format, sizeof(format), "%%.%zus", 253 sizeof buf); 254 } else 255 snprintf(format, sizeof(format), "%%%s", dformat); 256 257 nl = calloc(argc + 1, sizeof *nl); 258 if (!nl) 259 err(1, "calloc nl: "); 260 for (i = 0; i < argc; i++) { 261 if (asprintf(&nl[i].n_name, "_%s", 262 argv[i]) == -1) 263 warn("asprintf"); 264 } 265 kvm_nlist(kd, nl); 266 globalnl = nl; 267 for (i = 0; i < argc; i++) { 268 uint64_t v; 269 270 printf("%s ", argv[i]); 271 if (!nl[i].n_value && argv[i][0] == '0') { 272 nl[i].n_value = strtoul(argv[i], NULL, 16); 273 nl[i].n_type = N_DATA; 274 } 275 if (!nl[i].n_value) { 276 printf("not found\n"); 277 error++; 278 continue; 279 } 280 281 printf("at %p: ", (void *)nl[i].n_value); 282 if (nl[i].n_type == N_DATA) { 283 if (stringformat) { 284 KGET1(i, &buf, sizeof(buf), argv[i]); 285 buf[sizeof(buf) - 1] = '\0'; 286 } else 287 KGET1(i, &v, sizeof(v), argv[i]); 288 if (stringformat) 289 printf(format, &buf); 290 else if (longformat) 291 printf(format, v); 292 else { 293 #if BYTE_ORDER == BIG_ENDIAN 294 switch (mask) { 295 case 0xff: 296 v >>= 8; 297 /* FALLTHROUGH */ 298 case 0xffff: 299 v >>= 16; 300 /* FALLTHROUGH */ 301 case 0xffffffff: 302 v >>= 32; 303 break; 304 } 305 #endif 306 printf(format, ((uint32_t)v) & mask); 307 } 308 } 309 printf("\n"); 310 } 311 for (i = 0; i < argc; i++) 312 free(nl[i].n_name); 313 free(nl); 314 exit(error); 315 } 316 317 if (need_nlist) 318 if (kvm_nlist(kd, vnodenl) == -1) 319 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 320 321 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag || dformat)) 322 usage(); 323 if (fileflag || totalflag) 324 filemode(); 325 if (vnodeflag || totalflag) 326 vnodemode(); 327 if (ttyflag) 328 ttymode(); 329 if (swapflag || totalflag) 330 swapmode(); 331 exit(0); 332 } 333 334 void 335 vnodemode(void) 336 { 337 struct e_vnode *e_vnodebase, *endvnode, *evp; 338 struct vnode *vp; 339 struct mount *maddr, *mp = NULL; 340 int numvnodes; 341 342 globalnl = vnodenl; 343 344 e_vnodebase = kinfo_vnodes(&numvnodes); 345 if (totalflag) { 346 (void)printf("%7d vnodes\n", numvnodes); 347 return; 348 } 349 if (!e_vnodebase) 350 return; 351 endvnode = e_vnodebase + numvnodes; 352 (void)printf("%d active vnodes\n", numvnodes); 353 354 maddr = NULL; 355 for (evp = e_vnodebase; evp < endvnode; evp++) { 356 vp = &evp->vnode; 357 if (vp->v_mount != maddr) { 358 /* 359 * New filesystem 360 */ 361 if ((mp = getmnt(vp->v_mount)) == NULL) 362 continue; 363 maddr = vp->v_mount; 364 mount_print(mp); 365 vnode_header(); 366 if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 367 !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 368 ufs_header(); 369 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, 370 MFSNAMELEN)) { 371 nfs_header(); 372 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS, 373 MFSNAMELEN)) { 374 ext2fs_header(); 375 } 376 (void)printf("\n"); 377 } 378 vnode_print(evp->vptr, vp); 379 380 /* Syncer vnodes have no associated fs-specific data */ 381 if (vp->v_data == NULL) { 382 printf(" %6c %5c %7c\n", '-', '-', '-'); 383 continue; 384 } 385 386 if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 387 !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 388 ufs_print(vp); 389 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { 390 nfs_print(vp); 391 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS, 392 MFSNAMELEN)) { 393 ext2fs_print(vp); 394 } 395 (void)printf("\n"); 396 } 397 free(e_vnodebase); 398 } 399 400 void 401 vnode_header(void) 402 { 403 (void)printf("%*s TYP VFLAG USE HOLD", 2 * (int)sizeof(long), "ADDR"); 404 } 405 406 void 407 vnode_print(struct vnode *avnode, struct vnode *vp) 408 { 409 char *type, flags[16]; 410 char *fp; 411 int flag; 412 413 /* 414 * set type 415 */ 416 switch (vp->v_type) { 417 case VNON: 418 type = "non"; break; 419 case VREG: 420 type = "reg"; break; 421 case VDIR: 422 type = "dir"; break; 423 case VBLK: 424 type = "blk"; break; 425 case VCHR: 426 type = "chr"; break; 427 case VLNK: 428 type = "lnk"; break; 429 case VSOCK: 430 type = "soc"; break; 431 case VFIFO: 432 type = "fif"; break; 433 case VBAD: 434 type = "bad"; break; 435 default: 436 type = "unk"; break; 437 } 438 /* 439 * gather flags 440 */ 441 fp = flags; 442 flag = vp->v_flag; 443 if (flag & VROOT) 444 *fp++ = 'R'; 445 if (flag & VTEXT) 446 *fp++ = 'T'; 447 if (flag & VSYSTEM) 448 *fp++ = 'S'; 449 if (flag & VISTTY) 450 *fp++ = 'I'; 451 if (flag & VXLOCK) 452 *fp++ = 'L'; 453 if (flag & VXWANT) 454 *fp++ = 'W'; 455 if (vp->v_bioflag & VBIOWAIT) 456 *fp++ = 'B'; 457 if (flag & VALIASED) 458 *fp++ = 'A'; 459 if (vp->v_bioflag & VBIOONFREELIST) 460 *fp++ = 'F'; 461 if (flag & VLOCKSWORK) 462 *fp++ = 'l'; 463 if (vp->v_bioflag & VBIOONSYNCLIST) 464 *fp++ = 's'; 465 if (fp == flags) 466 *fp++ = '-'; 467 *fp = '\0'; 468 (void)printf("%0*lx %s %5s %4d %4u", 469 2 * (int)sizeof(long), hideroot ? 0L : (long)avnode, 470 type, flags, vp->v_usecount, vp->v_holdcnt); 471 } 472 473 void 474 ufs_header(void) 475 { 476 (void)printf(" FILEID IFLAG RDEV|SZ"); 477 } 478 479 int 480 ufs_print(struct vnode *vp) 481 { 482 int flag; 483 struct inode inode, *ip = &inode; 484 struct ufs1_dinode di1; 485 char flagbuf[16], *flags = flagbuf; 486 char *name; 487 mode_t type; 488 489 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 490 KGETRET(inode.i_din1, &di1, sizeof(struct ufs1_dinode), 491 "vnode's dinode"); 492 493 inode.i_din1 = &di1; 494 flag = ip->i_flag; 495 #if 0 496 if (flag & IN_LOCKED) 497 *flags++ = 'L'; 498 if (flag & IN_WANTED) 499 *flags++ = 'W'; 500 if (flag & IN_LWAIT) 501 *flags++ = 'Z'; 502 #endif 503 if (flag & IN_ACCESS) 504 *flags++ = 'A'; 505 if (flag & IN_CHANGE) 506 *flags++ = 'C'; 507 if (flag & IN_UPDATE) 508 *flags++ = 'U'; 509 if (flag & IN_MODIFIED) 510 *flags++ = 'M'; 511 if (flag & IN_LAZYMOD) 512 *flags++ = 'm'; 513 if (flag & IN_RENAME) 514 *flags++ = 'R'; 515 if (flag & IN_SHLOCK) 516 *flags++ = 'S'; 517 if (flag & IN_EXLOCK) 518 *flags++ = 'E'; 519 if (flag == 0) 520 *flags++ = '-'; 521 *flags = '\0'; 522 523 (void)printf(" %6d %5s", ip->i_number, flagbuf); 524 type = ip->i_ffs1_mode & S_IFMT; 525 if (S_ISCHR(ip->i_ffs1_mode) || S_ISBLK(ip->i_ffs1_mode)) 526 if (usenumflag || 527 ((name = devname(ip->i_ffs1_rdev, type)) == NULL)) 528 (void)printf(" %2d,%-2d", 529 major(ip->i_ffs1_rdev), minor(ip->i_ffs1_rdev)); 530 else 531 (void)printf(" %7s", name); 532 else 533 (void)printf(" %7lld", (long long)ip->i_ffs1_size); 534 return (0); 535 } 536 537 void 538 ext2fs_header(void) 539 { 540 (void)printf(" FILEID IFLAG SZ"); 541 } 542 543 int 544 ext2fs_print(struct vnode *vp) 545 { 546 int flag; 547 struct inode inode, *ip = &inode; 548 struct ext2fs_dinode di; 549 char flagbuf[16], *flags = flagbuf; 550 551 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 552 KGETRET(inode.i_e2din, &di, sizeof(struct ext2fs_dinode), 553 "vnode's dinode"); 554 555 inode.i_e2din = &di; 556 flag = ip->i_flag; 557 558 #if 0 559 if (flag & IN_LOCKED) 560 *flags++ = 'L'; 561 if (flag & IN_WANTED) 562 *flags++ = 'W'; 563 if (flag & IN_LWAIT) 564 *flags++ = 'Z'; 565 #endif 566 if (flag & IN_ACCESS) 567 *flags++ = 'A'; 568 if (flag & IN_CHANGE) 569 *flags++ = 'C'; 570 if (flag & IN_UPDATE) 571 *flags++ = 'U'; 572 if (flag & IN_MODIFIED) 573 *flags++ = 'M'; 574 if (flag & IN_RENAME) 575 *flags++ = 'R'; 576 if (flag & IN_SHLOCK) 577 *flags++ = 'S'; 578 if (flag & IN_EXLOCK) 579 *flags++ = 'E'; 580 if (flag == 0) 581 *flags++ = '-'; 582 *flags = '\0'; 583 584 (void)printf(" %6d %5s %2d", ip->i_number, flagbuf, ip->i_e2fs_size); 585 return (0); 586 } 587 588 void 589 nfs_header(void) 590 { 591 (void)printf(" FILEID NFLAG RDEV|SZ"); 592 } 593 594 int 595 nfs_print(struct vnode *vp) 596 { 597 struct nfsnode nfsnode, *np = &nfsnode; 598 char flagbuf[16], *flags = flagbuf; 599 int flag; 600 char *name; 601 mode_t type; 602 603 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 604 flag = np->n_flag; 605 if (flag & NFLUSHWANT) 606 *flags++ = 'W'; 607 if (flag & NFLUSHINPROG) 608 *flags++ = 'P'; 609 if (flag & NMODIFIED) 610 *flags++ = 'M'; 611 if (flag & NWRITEERR) 612 *flags++ = 'E'; 613 if (flag & NACC) 614 *flags++ = 'A'; 615 if (flag & NUPD) 616 *flags++ = 'U'; 617 if (flag & NCHG) 618 *flags++ = 'C'; 619 if (flag == 0) 620 *flags++ = '-'; 621 *flags = '\0'; 622 623 (void)printf(" %6lld %5s", (long long)np->n_vattr.va_fileid, flagbuf); 624 type = np->n_vattr.va_mode & S_IFMT; 625 if (S_ISCHR(np->n_vattr.va_mode) || S_ISBLK(np->n_vattr.va_mode)) 626 if (usenumflag || 627 ((name = devname(np->n_vattr.va_rdev, type)) == NULL)) 628 (void)printf(" %2d,%-2d", major(np->n_vattr.va_rdev), 629 minor(np->n_vattr.va_rdev)); 630 else 631 (void)printf(" %7s", name); 632 else 633 (void)printf(" %7lld", (long long)np->n_size); 634 return (0); 635 } 636 637 /* 638 * Given a pointer to a mount structure in kernel space, 639 * read it in and return a usable pointer to it. 640 */ 641 struct mount * 642 getmnt(struct mount *maddr) 643 { 644 static struct mtab { 645 struct mtab *next; 646 struct mount *maddr; 647 struct mount mount; 648 } *mhead = NULL; 649 struct mtab *mt; 650 651 for (mt = mhead; mt != NULL; mt = mt->next) 652 if (maddr == mt->maddr) 653 return (&mt->mount); 654 if ((mt = malloc(sizeof(struct mtab))) == NULL) 655 err(1, "malloc: mount table"); 656 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 657 mt->maddr = maddr; 658 mt->next = mhead; 659 mhead = mt; 660 return (&mt->mount); 661 } 662 663 void 664 mount_print(struct mount *mp) 665 { 666 int flags; 667 668 (void)printf("*** MOUNT "); 669 (void)printf("%.*s %s on %s", MFSNAMELEN, 670 mp->mnt_stat.f_fstypename, mp->mnt_stat.f_mntfromname, 671 mp->mnt_stat.f_mntonname); 672 if ((flags = mp->mnt_flag)) { 673 char *comma = "("; 674 675 putchar(' '); 676 /* user visible flags */ 677 if (flags & MNT_RDONLY) { 678 (void)printf("%srdonly", comma); 679 flags &= ~MNT_RDONLY; 680 comma = ","; 681 } 682 if (flags & MNT_SYNCHRONOUS) { 683 (void)printf("%ssynchronous", comma); 684 flags &= ~MNT_SYNCHRONOUS; 685 comma = ","; 686 } 687 if (flags & MNT_NOEXEC) { 688 (void)printf("%snoexec", comma); 689 flags &= ~MNT_NOEXEC; 690 comma = ","; 691 } 692 if (flags & MNT_NOSUID) { 693 (void)printf("%snosuid", comma); 694 flags &= ~MNT_NOSUID; 695 comma = ","; 696 } 697 if (flags & MNT_NODEV) { 698 (void)printf("%snodev", comma); 699 flags &= ~MNT_NODEV; 700 comma = ","; 701 } 702 if (flags & MNT_ASYNC) { 703 (void)printf("%sasync", comma); 704 flags &= ~MNT_ASYNC; 705 comma = ","; 706 } 707 if (flags & MNT_EXRDONLY) { 708 (void)printf("%sexrdonly", comma); 709 flags &= ~MNT_EXRDONLY; 710 comma = ","; 711 } 712 if (flags & MNT_EXPORTED) { 713 (void)printf("%sexport", comma); 714 flags &= ~MNT_EXPORTED; 715 comma = ","; 716 } 717 if (flags & MNT_DEFEXPORTED) { 718 (void)printf("%sdefdexported", comma); 719 flags &= ~MNT_DEFEXPORTED; 720 comma = ","; 721 } 722 if (flags & MNT_EXPORTANON) { 723 (void)printf("%sexportanon", comma); 724 flags &= ~MNT_EXPORTANON; 725 comma = ","; 726 } 727 if (flags & MNT_WXALLOWED) { 728 (void)printf("%swxallowed", comma); 729 flags &= ~MNT_WXALLOWED; 730 comma = ","; 731 } 732 if (flags & MNT_LOCAL) { 733 (void)printf("%slocal", comma); 734 flags &= ~MNT_LOCAL; 735 comma = ","; 736 } 737 if (flags & MNT_QUOTA) { 738 (void)printf("%squota", comma); 739 flags &= ~MNT_QUOTA; 740 comma = ","; 741 } 742 if (flags & MNT_ROOTFS) { 743 (void)printf("%srootfs", comma); 744 flags &= ~MNT_ROOTFS; 745 comma = ","; 746 } 747 if (flags & MNT_NOATIME) { 748 (void)printf("%snoatime", comma); 749 flags &= ~MNT_NOATIME; 750 comma = ","; 751 } 752 /* filesystem control flags */ 753 if (flags & MNT_UPDATE) { 754 (void)printf("%supdate", comma); 755 flags &= ~MNT_UPDATE; 756 comma = ","; 757 } 758 if (flags & MNT_DELEXPORT) { 759 (void)printf("%sdelexport", comma); 760 flags &= ~MNT_DELEXPORT; 761 comma = ","; 762 } 763 if (flags & MNT_RELOAD) { 764 (void)printf("%sreload", comma); 765 flags &= ~MNT_RELOAD; 766 comma = ","; 767 } 768 if (flags & MNT_FORCE) { 769 (void)printf("%sforce", comma); 770 flags &= ~MNT_FORCE; 771 comma = ","; 772 } 773 if (flags & MNT_WANTRDWR) { 774 (void)printf("%swantrdwr", comma); 775 flags &= ~MNT_WANTRDWR; 776 comma = ","; 777 } 778 if (flags & MNT_SOFTDEP) { 779 (void)printf("%ssoftdep", comma); 780 flags &= ~MNT_SOFTDEP; 781 comma = ","; 782 } 783 if (flags) 784 (void)printf("%sunknown_flags:%x", comma, flags); 785 (void)printf(")"); 786 } 787 (void)printf("\n"); 788 } 789 790 /* 791 * simulate what a running kernel does in kinfo_vnode 792 */ 793 struct e_vnode * 794 kinfo_vnodes(int *avnodes) 795 { 796 struct mntlist kvm_mountlist; 797 struct mount *mp, mount; 798 struct vnode *vp, vnode; 799 char *vbuf, *evbuf, *bp; 800 int mib[2], numvnodes; 801 size_t num; 802 803 if (kd == 0) { 804 mib[0] = CTL_KERN; 805 mib[1] = KERN_NUMVNODES; 806 num = sizeof(numvnodes); 807 if (sysctl(mib, 2, &numvnodes, &num, NULL, 0) < 0) 808 err(1, "sysctl(KERN_NUMVNODES) failed"); 809 } else 810 KGET(V_NUMV, numvnodes); 811 *avnodes = numvnodes; 812 if (totalflag) 813 return NULL; 814 if ((vbuf = calloc(numvnodes + 20, 815 sizeof(struct vnode *) + sizeof(struct vnode))) == NULL) 816 err(1, "malloc: vnode buffer"); 817 bp = vbuf; 818 evbuf = vbuf + (numvnodes + 20) * 819 (sizeof(struct vnode *) + sizeof(struct vnode)); 820 KGET(V_MOUNTLIST, kvm_mountlist); 821 num = 0; 822 for (mp = TAILQ_FIRST(&kvm_mountlist); mp != NULL; 823 mp = TAILQ_NEXT(&mount, mnt_list)) { 824 KGETRET(mp, &mount, sizeof(mount), "mount entry"); 825 for (vp = LIST_FIRST(&mount.mnt_vnodelist); 826 vp != NULL; vp = LIST_NEXT(&vnode, v_mntvnodes)) { 827 KGETRET(vp, &vnode, sizeof(vnode), "vnode"); 828 if ((bp + sizeof(struct vnode *) + 829 sizeof(struct vnode)) > evbuf) 830 /* XXX - should realloc */ 831 errx(1, "no more room for vnodes"); 832 memmove(bp, &vp, sizeof(struct vnode *)); 833 bp += sizeof(struct vnode *); 834 memmove(bp, &vnode, sizeof(struct vnode)); 835 bp += sizeof(struct vnode); 836 num++; 837 } 838 } 839 *avnodes = num; 840 return ((struct e_vnode *)vbuf); 841 } 842 843 const char hdr[] = 844 " LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 845 846 void 847 tty2itty(struct tty *tp, struct itty *itp) 848 { 849 itp->t_dev = tp->t_dev; 850 itp->t_rawq_c_cc = tp->t_rawq.c_cc; 851 itp->t_canq_c_cc = tp->t_canq.c_cc; 852 itp->t_outq_c_cc = tp->t_outq.c_cc; 853 itp->t_hiwat = tp->t_hiwat; 854 itp->t_lowat = tp->t_lowat; 855 itp->t_column = tp->t_column; 856 itp->t_state = tp->t_state; 857 itp->t_session = tp->t_session; 858 if (tp->t_pgrp != NULL) 859 KGET2(&tp->t_pgrp->pg_id, &itp->t_pgrp_pg_id, sizeof(pid_t), "pgid"); 860 itp->t_line = tp->t_line; 861 } 862 863 void 864 ttymode(void) 865 { 866 struct ttylist_head tty_head; 867 struct tty *tp, tty; 868 int mib[3], ntty, i; 869 struct itty itty, *itp; 870 size_t nlen; 871 872 if (kd == 0) { 873 mib[0] = CTL_KERN; 874 mib[1] = KERN_TTYCOUNT; 875 nlen = sizeof(ntty); 876 if (sysctl(mib, 2, &ntty, &nlen, NULL, 0) < 0) 877 err(1, "sysctl(KERN_TTYCOUNT) failed"); 878 } else 879 KGET(TTY_NTTY, ntty); 880 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 881 (void)printf("%s", hdr); 882 if (kd == 0) { 883 mib[0] = CTL_KERN; 884 mib[1] = KERN_TTY; 885 mib[2] = KERN_TTY_INFO; 886 if ((itp = reallocarray(NULL, ntty, sizeof(struct itty))) == NULL) 887 err(1, "malloc"); 888 nlen = ntty * sizeof(struct itty); 889 if (sysctl(mib, 3, itp, &nlen, NULL, 0) < 0) 890 err(1, "sysctl(KERN_TTY_INFO) failed"); 891 for (i = 0; i < ntty; i++) 892 ttyprt(&itp[i]); 893 free(itp); 894 } else { 895 KGET(TTY_TTYLIST, tty_head); 896 for (tp = TAILQ_FIRST(&tty_head); tp; 897 tp = TAILQ_NEXT(&tty, tty_link)) { 898 KGET2(tp, &tty, sizeof tty, "tty struct"); 899 tty2itty(&tty, &itty); 900 ttyprt(&itty); 901 } 902 } 903 } 904 905 struct { 906 int flag; 907 char val; 908 } ttystates[] = { 909 { TS_WOPEN, 'W'}, 910 { TS_ISOPEN, 'O'}, 911 { TS_CARR_ON, 'C'}, 912 { TS_TIMEOUT, 'T'}, 913 { TS_FLUSH, 'F'}, 914 { TS_BUSY, 'B'}, 915 { TS_ASLEEP, 'A'}, 916 { TS_XCLUDE, 'X'}, 917 { TS_TTSTOP, 'S'}, 918 { TS_TBLOCK, 'K'}, 919 { TS_ASYNC, 'Y'}, 920 { TS_BKSL, 'D'}, 921 { TS_ERASE, 'E'}, 922 { TS_LNCH, 'L'}, 923 { TS_TYPEN, 'P'}, 924 { TS_CNTTB, 'N'}, 925 { 0, '\0'}, 926 }; 927 928 void 929 ttyprt(struct itty *tp) 930 { 931 char *name, state[20]; 932 int i, j; 933 934 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 935 (void)printf("%2d,%-3d ", major(tp->t_dev), minor(tp->t_dev)); 936 else 937 (void)printf("%7s ", name); 938 (void)printf("%3d %4d ", tp->t_rawq_c_cc, tp->t_canq_c_cc); 939 (void)printf("%4d %4d %3d %6d ", tp->t_outq_c_cc, 940 tp->t_hiwat, tp->t_lowat, tp->t_column); 941 for (i = j = 0; ttystates[i].flag; i++) 942 if (tp->t_state&ttystates[i].flag) 943 state[j++] = ttystates[i].val; 944 if (j == 0) 945 state[j++] = '-'; 946 state[j] = '\0'; 947 (void)printf("%-6s %8lx", state, 948 hideroot ? 0 : (u_long)tp->t_session & 0xffffffff); 949 (void)printf("%6d ", tp->t_pgrp_pg_id); 950 switch (tp->t_line) { 951 case TTYDISC: 952 (void)printf("term\n"); 953 break; 954 case TABLDISC: 955 (void)printf("tab\n"); 956 break; 957 case SLIPDISC: 958 (void)printf("slip\n"); 959 break; 960 case PPPDISC: 961 (void)printf("ppp\n"); 962 break; 963 case STRIPDISC: 964 (void)printf("strip\n"); 965 break; 966 case NMEADISC: 967 (void)printf("nmea\n"); 968 break; 969 default: 970 (void)printf("%d\n", tp->t_line); 971 break; 972 } 973 } 974 975 void 976 filemode(void) 977 { 978 struct kinfo_file *kf; 979 char flagbuf[16], *fbp; 980 static char *dtypes[] = { "???", "inode", "socket", "pipe", "kqueue", "???", "???" }; 981 int mib[2], maxfile, nfile; 982 size_t len; 983 984 globalnl = vnodenl; 985 986 if (nlistf == NULL && memf == NULL) { 987 mib[0] = CTL_KERN; 988 mib[1] = KERN_MAXFILES; 989 len = sizeof(maxfile); 990 if (sysctl(mib, 2, &maxfile, &len, NULL, 0) < 0) 991 err(1, "sysctl(KERN_MAXFILES) failed"); 992 if (totalflag) { 993 mib[0] = CTL_KERN; 994 mib[1] = KERN_NFILES; 995 len = sizeof(nfile); 996 if (sysctl(mib, 2, &nfile, &len, NULL, 0) < 0) 997 err(1, "sysctl(KERN_NFILES) failed"); 998 } 999 } else { 1000 KGET(FNL_MAXFILE, maxfile); 1001 if (totalflag) { 1002 KGET(FNL_NFILE, nfile); 1003 (void)printf("%3d/%3d files\n", nfile, maxfile); 1004 return; 1005 } 1006 } 1007 1008 if (!totalflag) { 1009 kf = kvm_getfiles(kd, KERN_FILE_BYFILE, 0, sizeof *kf, &nfile); 1010 if (kf == NULL) { 1011 warnx("kvm_getfiles: %s", kvm_geterr(kd)); 1012 return; 1013 } 1014 } 1015 1016 (void)printf("%d/%d open files\n", nfile, maxfile); 1017 if (totalflag) 1018 return; 1019 1020 (void)printf("%*s TYPE FLG CNT MSG %*s OFFSET\n", 1021 2 * (int)sizeof(long), "LOC", 2 * (int)sizeof(long), "DATA"); 1022 for (; nfile-- > 0; kf++) { 1023 (void)printf("%0*llx ", 2 * (int)sizeof(long), 1024 hideroot ? 0LL : kf->f_fileaddr); 1025 (void)printf("%-8.8s", dtypes[ 1026 (kf->f_type >= (sizeof(dtypes)/sizeof(dtypes[0]))) 1027 ? 0 : kf->f_type]); 1028 fbp = flagbuf; 1029 if (kf->f_flag & FREAD) 1030 *fbp++ = 'R'; 1031 if (kf->f_flag & FWRITE) 1032 *fbp++ = 'W'; 1033 if (kf->f_flag & FAPPEND) 1034 *fbp++ = 'A'; 1035 if (kf->f_flag & FASYNC) 1036 *fbp++ = 'I'; 1037 1038 if (kf->f_iflags & FIF_HASLOCK) 1039 *fbp++ = 'L'; 1040 if (kf->f_iflags & FIF_LARVAL) 1041 *fbp++ = 'l'; 1042 1043 *fbp = '\0'; 1044 (void)printf("%6s %3ld", flagbuf, (long)kf->f_count); 1045 (void)printf(" %3ld", (long)kf->f_msgcount); 1046 (void)printf(" %0*lx", 2 * (int)sizeof(long), 1047 hideroot ? 0L : (long)kf->f_data); 1048 1049 if (kf->f_offset == (uint64_t)-1) 1050 (void)printf(" *\n"); 1051 else if (kf->f_offset > INT64_MAX) { 1052 /* would have been negative */ 1053 (void)printf(" %llx\n", 1054 hideroot ? 0LL : (long long)kf->f_offset); 1055 } else 1056 (void)printf(" %lld\n", 1057 hideroot ? 0LL : (long long)kf->f_offset); 1058 } 1059 } 1060 1061 /* 1062 * swapmode is based on a program called swapinfo written 1063 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 1064 */ 1065 void 1066 swapmode(void) 1067 { 1068 char *header; 1069 int hlen = 10, nswap; 1070 int bdiv, i, avail, nfree, npfree, used; 1071 long blocksize; 1072 struct swapent *swdev; 1073 1074 if (kflag) { 1075 header = "1K-blocks"; 1076 blocksize = 1024; 1077 hlen = strlen(header); 1078 } else 1079 header = getbsize(&hlen, &blocksize); 1080 1081 nswap = swapctl(SWAP_NSWAP, 0, 0); 1082 if (nswap == 0) { 1083 if (!totalflag) 1084 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1085 "Device", hlen, header, 1086 "Used", "Avail", "Capacity", "Priority"); 1087 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1088 "Total", hlen, 0, 0, 0, 0.0); 1089 return; 1090 } 1091 if ((swdev = calloc(nswap, sizeof(*swdev))) == NULL) 1092 err(1, "malloc"); 1093 if (swapctl(SWAP_STATS, swdev, nswap) == -1) 1094 err(1, "swapctl"); 1095 1096 if (!totalflag) 1097 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1098 "Device", hlen, header, 1099 "Used", "Avail", "Capacity", "Priority"); 1100 1101 /* Run through swap list, doing the funky monkey. */ 1102 bdiv = blocksize / DEV_BSIZE; 1103 avail = nfree = npfree = 0; 1104 for (i = 0; i < nswap; i++) { 1105 int xsize, xfree; 1106 1107 if (!(swdev[i].se_flags & SWF_ENABLE)) 1108 continue; 1109 1110 if (!totalflag) { 1111 if (usenumflag) 1112 (void)printf("%2d,%-2d %*d ", 1113 major(swdev[i].se_dev), 1114 minor(swdev[i].se_dev), 1115 hlen, swdev[i].se_nblks / bdiv); 1116 else 1117 (void)printf("%-11s %*d ", swdev[i].se_path, 1118 hlen, swdev[i].se_nblks / bdiv); 1119 } 1120 1121 xsize = swdev[i].se_nblks; 1122 used = swdev[i].se_inuse; 1123 xfree = xsize - used; 1124 nfree += (xsize - used); 1125 npfree++; 1126 avail += xsize; 1127 if (totalflag) 1128 continue; 1129 (void)printf("%8d %8d %5.0f%% %d\n", 1130 used / bdiv, xfree / bdiv, 1131 (double)used / (double)xsize * 100.0, 1132 swdev[i].se_priority); 1133 } 1134 free(swdev); 1135 1136 /* 1137 * If only one partition has been set up via swapon(8), we don't 1138 * need to bother with totals. 1139 */ 1140 used = avail - nfree; 1141 if (totalflag) { 1142 (void)printf("%dM/%dM swap space\n", 1143 used / (1048576 / DEV_BSIZE), 1144 avail / (1048576 / DEV_BSIZE)); 1145 return; 1146 } 1147 if (npfree > 1) { 1148 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1149 "Total", hlen, avail / bdiv, used / bdiv, nfree / bdiv, 1150 (double)used / (double)avail * 100.0); 1151 } 1152 } 1153 1154 void 1155 usage(void) 1156 { 1157 (void)fprintf(stderr, "usage: " 1158 "pstat [-fknsTtv] [-M core] [-N system] [-d format symbol ...]\n"); 1159 exit(1); 1160 } 1161