1 /* $OpenBSD: pstat.c,v 1.122 2020/01/10 10:33:35 bluhm 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 <fcntl.h> 61 #include <kvm.h> 62 #include <limits.h> 63 #include <nlist.h> 64 #include <paths.h> 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 70 struct nlist vnodenl[] = { 71 #define FNL_NFILE 0 /* sysctl */ 72 {"_numfiles"}, 73 #define FNL_MAXFILE 1 /* sysctl */ 74 {"_maxfiles"}, 75 #define TTY_NTTY 2 /* sysctl */ 76 {"_tty_count"}, 77 #define V_NUMV 3 /* sysctl */ 78 { "_numvnodes" }, 79 #define TTY_TTYLIST 4 /* sysctl */ 80 {"_ttylist"}, 81 #define V_MOUNTLIST 5 /* no sysctl */ 82 { "_mountlist" }, 83 { NULL } 84 }; 85 86 struct itty *globalitp; 87 struct kinfo_file *kf; 88 struct nlist *globalnl; 89 90 struct e_vnode { 91 struct vnode *vptr; 92 struct vnode vnode; 93 }; 94 95 int kflag; 96 int totalflag; 97 int usenumflag; 98 int hideroot; 99 int maxfile; 100 int need_nlist; 101 int nfile; 102 int ntty; 103 int numvnodes; 104 char *nlistf = NULL; 105 char *memf = NULL; 106 kvm_t *kd = NULL; 107 108 #define SVAR(var) __STRING(var) /* to force expansion */ 109 #define KGET(idx, var) \ 110 KGET1(idx, &var, sizeof(var), SVAR(var)) 111 #define KGET1(idx, p, s, msg) \ 112 KGET2(globalnl[idx].n_value, p, s, msg) 113 #define KGET2(addr, p, s, msg) \ 114 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 115 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 116 #define KGETRET(addr, p, s, msg) \ 117 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 118 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 119 return (0); \ 120 } 121 122 void filemode(void); 123 void filemodeprep(void); 124 struct mount * 125 getmnt(struct mount *); 126 struct e_vnode * 127 kinfo_vnodes(void); 128 void mount_print(struct mount *); 129 void nfs_header(void); 130 int nfs_print(struct vnode *); 131 void swapmode(void); 132 void ttymode(void); 133 void ttymodeprep(void); 134 void ttyprt(struct itty *); 135 void tty2itty(struct tty *tp, struct itty *itp); 136 void ufs_header(void); 137 int ufs_print(struct vnode *); 138 void ext2fs_header(void); 139 int ext2fs_print(struct vnode *); 140 static void __dead usage(void); 141 void vnode_header(void); 142 void vnode_print(struct vnode *, struct vnode *); 143 void vnodemode(void); 144 void vnodemodeprep(void); 145 146 147 int 148 main(int argc, char *argv[]) 149 { 150 int fileflag = 0, swapflag = 0, ttyflag = 0, vnodeflag = 0, ch; 151 char buf[_POSIX2_LINE_MAX]; 152 const char *dformat = NULL; 153 extern char *optarg; 154 extern int optind; 155 int i; 156 157 hideroot = getuid(); 158 159 while ((ch = getopt(argc, argv, "d:TM:N:fiknstv")) != -1) 160 switch (ch) { 161 case 'd': 162 dformat = optarg; 163 break; 164 case 'f': 165 fileflag = 1; 166 break; 167 case 'M': 168 memf = optarg; 169 break; 170 case 'N': 171 nlistf = optarg; 172 break; 173 case 'n': 174 usenumflag = 1; 175 break; 176 case 's': 177 swapflag = 1; 178 break; 179 case 'T': 180 totalflag = 1; 181 break; 182 case 't': 183 ttyflag = 1; 184 break; 185 case 'k': 186 kflag = 1; 187 break; 188 case 'v': 189 case 'i': /* Backward compatibility. */ 190 vnodeflag = 1; 191 break; 192 default: 193 usage(); 194 } 195 argc -= optind; 196 argv += optind; 197 198 if (dformat && getuid()) 199 errx(1, "Only root can use -d"); 200 201 if ((dformat == NULL && argc > 0) || (dformat && argc == 0)) 202 usage(); 203 204 need_nlist = dformat || vnodeflag; 205 206 if (nlistf != NULL || memf != NULL) { 207 if (fileflag || totalflag) 208 need_nlist = 1; 209 } 210 211 if (vnodeflag || fileflag || dformat || need_nlist) 212 if ((kd = kvm_openfiles(nlistf, memf, NULL, 213 O_RDONLY | (need_nlist ? 0 : KVM_NO_FILES), buf)) == 0) 214 errx(1, "kvm_openfiles: %s", buf); 215 216 if (need_nlist) 217 if (kvm_nlist(kd, vnodenl) == -1) 218 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 219 220 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag || dformat)) 221 usage(); 222 223 if(!dformat) { 224 if (fileflag || totalflag) 225 filemodeprep(); 226 if (vnodeflag || totalflag) 227 vnodemodeprep(); 228 if (ttyflag) 229 ttymodeprep(); 230 } 231 232 if (unveil(_PATH_DEVDB, "r") == -1) 233 err(1, "unveil"); 234 if (pledge("stdio rpath vminfo", NULL) == -1) 235 err(1, "pledge"); 236 237 if (dformat) { 238 struct nlist *nl; 239 int longformat = 0, stringformat = 0, error = 0, n; 240 uint32_t mask = ~0; 241 char format[10], buf[1024]; 242 243 n = strlen(dformat); 244 if (n == 0) 245 errx(1, "illegal format"); 246 247 /* 248 * Support p, c, s, and {l, ll, h, hh, j, t, z, }[diouxX] 249 */ 250 if (strcmp(dformat, "p") == 0) 251 longformat = sizeof(long) == 8; 252 else if (strcmp(dformat, "c") == 0) 253 mask = 0xff; 254 else if (strcmp(dformat, "s") == 0) 255 stringformat = 1; 256 else if (strchr("diouxX", dformat[n - 1])) { 257 char *ptbl[]= {"l", "ll", "h", "hh", "j", "t", "z", ""}; 258 int i; 259 260 char *mod; 261 for (i = 0; i < sizeof(ptbl)/sizeof(ptbl[0]); i++) { 262 mod = ptbl[i]; 263 if (strlen(mod) == n - 1 && 264 strncmp(mod, dformat, strlen(mod)) == 0) 265 break; 266 } 267 if (i == sizeof(ptbl)/sizeof(ptbl[0]) 268 && dformat[1] != '\0') 269 errx(1, "illegal format"); 270 if (strcmp(mod, "l") == 0) 271 longformat = sizeof(long) == sizeof(long long); 272 else if (strcmp(mod, "h") == 0) 273 mask = 0xffff; 274 else if (strcmp(mod, "hh") == 0) 275 mask = 0xff; 276 else if (strcmp(mod, "") != 0) 277 longformat = 1; 278 279 } else 280 errx(1, "illegal format"); 281 282 if (*dformat == 's') { 283 stringformat = 1; 284 snprintf(format, sizeof(format), "%%.%zus", 285 sizeof buf); 286 } else 287 snprintf(format, sizeof(format), "%%%s", dformat); 288 289 nl = calloc(argc + 1, sizeof *nl); 290 if (!nl) 291 err(1, "calloc nl: "); 292 for (i = 0; i < argc; i++) { 293 if (asprintf(&nl[i].n_name, "_%s", 294 argv[i]) == -1) 295 warn("asprintf"); 296 } 297 kvm_nlist(kd, nl); 298 globalnl = nl; 299 for (i = 0; i < argc; i++) { 300 uint64_t v; 301 302 printf("%s ", argv[i]); 303 if (!nl[i].n_value && argv[i][0] == '0') { 304 nl[i].n_value = strtoul(argv[i], NULL, 16); 305 nl[i].n_type = N_DATA; 306 } 307 if (!nl[i].n_value) { 308 printf("not found\n"); 309 error++; 310 continue; 311 } 312 313 printf("at %p: ", (void *)nl[i].n_value); 314 if ((nl[i].n_type & N_TYPE) == N_DATA || 315 (nl[i].n_type & N_TYPE) == N_COMM) { 316 if (stringformat) { 317 KGET1(i, &buf, sizeof(buf), argv[i]); 318 buf[sizeof(buf) - 1] = '\0'; 319 } else 320 KGET1(i, &v, sizeof(v), argv[i]); 321 if (stringformat) 322 printf(format, &buf); 323 else if (longformat) 324 printf(format, v); 325 else { 326 #if BYTE_ORDER == BIG_ENDIAN 327 switch (mask) { 328 case 0xff: 329 v >>= 8; 330 /* FALLTHROUGH */ 331 case 0xffff: 332 v >>= 16; 333 /* FALLTHROUGH */ 334 case 0xffffffff: 335 v >>= 32; 336 break; 337 } 338 #endif 339 printf(format, ((uint32_t)v) & mask); 340 } 341 } 342 printf("\n"); 343 } 344 for (i = 0; i < argc; i++) 345 free(nl[i].n_name); 346 free(nl); 347 return error; 348 } 349 350 if (fileflag || totalflag) 351 filemode(); 352 if (vnodeflag || totalflag) 353 vnodemode(); 354 if (ttyflag) 355 ttymode(); 356 if (swapflag || totalflag) 357 swapmode(); 358 return 0; 359 } 360 361 void 362 vnodemode(void) 363 { 364 struct e_vnode *e_vnodebase, *endvnode, *evp; 365 struct vnode *vp; 366 struct mount *maddr, *mp = NULL; 367 368 globalnl = vnodenl; 369 370 e_vnodebase = kinfo_vnodes(); 371 if (totalflag) { 372 (void)printf("%7d vnodes\n", numvnodes); 373 return; 374 } 375 if (!e_vnodebase) 376 return; 377 endvnode = e_vnodebase + numvnodes; 378 (void)printf("%d active vnodes\n", numvnodes); 379 380 maddr = NULL; 381 for (evp = e_vnodebase; evp < endvnode; evp++) { 382 vp = &evp->vnode; 383 if (vp->v_mount != maddr) { 384 /* 385 * New filesystem 386 */ 387 if ((mp = getmnt(vp->v_mount)) == NULL) 388 continue; 389 maddr = vp->v_mount; 390 mount_print(mp); 391 vnode_header(); 392 if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 393 !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 394 ufs_header(); 395 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, 396 MFSNAMELEN)) { 397 nfs_header(); 398 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS, 399 MFSNAMELEN)) { 400 ext2fs_header(); 401 } 402 (void)printf("\n"); 403 } 404 vnode_print(evp->vptr, vp); 405 406 /* Syncer vnodes have no associated fs-specific data */ 407 if (vp->v_data == NULL) { 408 printf(" %6c %5c %7c\n", '-', '-', '-'); 409 continue; 410 } 411 412 if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 413 !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 414 ufs_print(vp); 415 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { 416 nfs_print(vp); 417 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS, 418 MFSNAMELEN)) { 419 ext2fs_print(vp); 420 } 421 (void)printf("\n"); 422 } 423 free(e_vnodebase); 424 } 425 426 void 427 vnodemodeprep(void) 428 { 429 int mib[2]; 430 size_t num; 431 432 if (kd == NULL) { 433 mib[0] = CTL_KERN; 434 mib[1] = KERN_NUMVNODES; 435 num = sizeof(numvnodes); 436 if (sysctl(mib, 2, &numvnodes, &num, NULL, 0) < 0) 437 err(1, "sysctl(KERN_NUMVNODES) failed"); 438 } 439 } 440 441 void 442 vnode_header(void) 443 { 444 (void)printf("%*s TYP VFLAG USE HOLD", 2 * (int)sizeof(long), "ADDR"); 445 } 446 447 void 448 vnode_print(struct vnode *avnode, struct vnode *vp) 449 { 450 char *type, flags[16]; 451 char *fp; 452 int flag; 453 454 /* 455 * set type 456 */ 457 switch (vp->v_type) { 458 case VNON: 459 type = "non"; break; 460 case VREG: 461 type = "reg"; break; 462 case VDIR: 463 type = "dir"; break; 464 case VBLK: 465 type = "blk"; break; 466 case VCHR: 467 type = "chr"; break; 468 case VLNK: 469 type = "lnk"; break; 470 case VSOCK: 471 type = "soc"; break; 472 case VFIFO: 473 type = "fif"; break; 474 case VBAD: 475 type = "bad"; break; 476 default: 477 type = "unk"; break; 478 } 479 /* 480 * gather flags 481 */ 482 fp = flags; 483 flag = vp->v_flag; 484 if (flag & VROOT) 485 *fp++ = 'R'; 486 if (flag & VTEXT) 487 *fp++ = 'T'; 488 if (flag & VSYSTEM) 489 *fp++ = 'S'; 490 if (flag & VISTTY) 491 *fp++ = 'I'; 492 if (flag & VXLOCK) 493 *fp++ = 'L'; 494 if (flag & VXWANT) 495 *fp++ = 'W'; 496 if (vp->v_bioflag & VBIOWAIT) 497 *fp++ = 'B'; 498 if (flag & VALIASED) 499 *fp++ = 'A'; 500 if (vp->v_bioflag & VBIOONFREELIST) 501 *fp++ = 'F'; 502 if (flag & VLOCKSWORK) 503 *fp++ = 'l'; 504 if (vp->v_bioflag & VBIOONSYNCLIST) 505 *fp++ = 's'; 506 if (fp == flags) 507 *fp++ = '-'; 508 *fp = '\0'; 509 (void)printf("%0*lx %s %5s %4d %4u", 510 2 * (int)sizeof(long), hideroot ? 0L : (long)avnode, 511 type, flags, vp->v_usecount, vp->v_holdcnt); 512 } 513 514 void 515 ufs_header(void) 516 { 517 (void)printf(" FILEID IFLAG RDEV|SZ"); 518 } 519 520 int 521 ufs_print(struct vnode *vp) 522 { 523 int flag; 524 struct inode inode, *ip = &inode; 525 struct ufs1_dinode di1; 526 char flagbuf[16], *flags = flagbuf; 527 char *name; 528 mode_t type; 529 530 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 531 KGETRET(inode.i_din1, &di1, sizeof(struct ufs1_dinode), 532 "vnode's dinode"); 533 534 inode.i_din1 = &di1; 535 flag = ip->i_flag; 536 #if 0 537 if (flag & IN_LOCKED) 538 *flags++ = 'L'; 539 if (flag & IN_WANTED) 540 *flags++ = 'W'; 541 if (flag & IN_LWAIT) 542 *flags++ = 'Z'; 543 #endif 544 if (flag & IN_ACCESS) 545 *flags++ = 'A'; 546 if (flag & IN_CHANGE) 547 *flags++ = 'C'; 548 if (flag & IN_UPDATE) 549 *flags++ = 'U'; 550 if (flag & IN_MODIFIED) 551 *flags++ = 'M'; 552 if (flag & IN_LAZYMOD) 553 *flags++ = 'm'; 554 if (flag & IN_RENAME) 555 *flags++ = 'R'; 556 if (flag & IN_SHLOCK) 557 *flags++ = 'S'; 558 if (flag & IN_EXLOCK) 559 *flags++ = 'E'; 560 if (flag == 0) 561 *flags++ = '-'; 562 *flags = '\0'; 563 564 (void)printf(" %6d %5s", ip->i_number, flagbuf); 565 type = ip->i_ffs1_mode & S_IFMT; 566 if (S_ISCHR(ip->i_ffs1_mode) || S_ISBLK(ip->i_ffs1_mode)) 567 if (usenumflag || 568 ((name = devname(ip->i_ffs1_rdev, type)) == NULL)) 569 (void)printf(" %2u,%-2u", 570 major(ip->i_ffs1_rdev), minor(ip->i_ffs1_rdev)); 571 else 572 (void)printf(" %7s", name); 573 else 574 (void)printf(" %7lld", (long long)ip->i_ffs1_size); 575 return (0); 576 } 577 578 void 579 ext2fs_header(void) 580 { 581 (void)printf(" FILEID IFLAG SZ"); 582 } 583 584 int 585 ext2fs_print(struct vnode *vp) 586 { 587 int flag; 588 struct inode inode, *ip = &inode; 589 struct ext2fs_dinode di; 590 char flagbuf[16], *flags = flagbuf; 591 592 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 593 KGETRET(inode.i_e2din, &di, sizeof(struct ext2fs_dinode), 594 "vnode's dinode"); 595 596 inode.i_e2din = &di; 597 flag = ip->i_flag; 598 599 #if 0 600 if (flag & IN_LOCKED) 601 *flags++ = 'L'; 602 if (flag & IN_WANTED) 603 *flags++ = 'W'; 604 if (flag & IN_LWAIT) 605 *flags++ = 'Z'; 606 #endif 607 if (flag & IN_ACCESS) 608 *flags++ = 'A'; 609 if (flag & IN_CHANGE) 610 *flags++ = 'C'; 611 if (flag & IN_UPDATE) 612 *flags++ = 'U'; 613 if (flag & IN_MODIFIED) 614 *flags++ = 'M'; 615 if (flag & IN_RENAME) 616 *flags++ = 'R'; 617 if (flag & IN_SHLOCK) 618 *flags++ = 'S'; 619 if (flag & IN_EXLOCK) 620 *flags++ = 'E'; 621 if (flag == 0) 622 *flags++ = '-'; 623 *flags = '\0'; 624 625 (void)printf(" %6d %5s %2d", ip->i_number, flagbuf, ip->i_e2fs_size); 626 return (0); 627 } 628 629 void 630 nfs_header(void) 631 { 632 (void)printf(" FILEID NFLAG RDEV|SZ"); 633 } 634 635 int 636 nfs_print(struct vnode *vp) 637 { 638 struct nfsnode nfsnode, *np = &nfsnode; 639 char flagbuf[16], *flags = flagbuf; 640 int flag; 641 char *name; 642 mode_t type; 643 644 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 645 flag = np->n_flag; 646 if (flag & NFLUSHWANT) 647 *flags++ = 'W'; 648 if (flag & NFLUSHINPROG) 649 *flags++ = 'P'; 650 if (flag & NMODIFIED) 651 *flags++ = 'M'; 652 if (flag & NWRITEERR) 653 *flags++ = 'E'; 654 if (flag & NACC) 655 *flags++ = 'A'; 656 if (flag & NUPD) 657 *flags++ = 'U'; 658 if (flag & NCHG) 659 *flags++ = 'C'; 660 if (flag == 0) 661 *flags++ = '-'; 662 *flags = '\0'; 663 664 (void)printf(" %6lld %5s", (long long)np->n_vattr.va_fileid, flagbuf); 665 type = np->n_vattr.va_mode & S_IFMT; 666 if (S_ISCHR(np->n_vattr.va_mode) || S_ISBLK(np->n_vattr.va_mode)) 667 if (usenumflag || 668 ((name = devname(np->n_vattr.va_rdev, type)) == NULL)) 669 (void)printf(" %2u,%-2u", major(np->n_vattr.va_rdev), 670 minor(np->n_vattr.va_rdev)); 671 else 672 (void)printf(" %7s", name); 673 else 674 (void)printf(" %7lld", (long long)np->n_size); 675 return (0); 676 } 677 678 /* 679 * Given a pointer to a mount structure in kernel space, 680 * read it in and return a usable pointer to it. 681 */ 682 struct mount * 683 getmnt(struct mount *maddr) 684 { 685 static struct mtab { 686 struct mtab *next; 687 struct mount *maddr; 688 struct mount mount; 689 } *mhead = NULL; 690 struct mtab *mt; 691 692 for (mt = mhead; mt != NULL; mt = mt->next) 693 if (maddr == mt->maddr) 694 return (&mt->mount); 695 if ((mt = malloc(sizeof(struct mtab))) == NULL) 696 err(1, "malloc: mount table"); 697 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 698 mt->maddr = maddr; 699 mt->next = mhead; 700 mhead = mt; 701 return (&mt->mount); 702 } 703 704 void 705 mount_print(struct mount *mp) 706 { 707 int flags; 708 709 (void)printf("*** MOUNT "); 710 (void)printf("%.*s %s on %s", MFSNAMELEN, 711 mp->mnt_stat.f_fstypename, mp->mnt_stat.f_mntfromname, 712 mp->mnt_stat.f_mntonname); 713 if ((flags = mp->mnt_flag)) { 714 char *comma = "("; 715 716 putchar(' '); 717 /* user visible flags */ 718 if (flags & MNT_RDONLY) { 719 (void)printf("%srdonly", comma); 720 flags &= ~MNT_RDONLY; 721 comma = ","; 722 } 723 if (flags & MNT_SYNCHRONOUS) { 724 (void)printf("%ssynchronous", comma); 725 flags &= ~MNT_SYNCHRONOUS; 726 comma = ","; 727 } 728 if (flags & MNT_NOEXEC) { 729 (void)printf("%snoexec", comma); 730 flags &= ~MNT_NOEXEC; 731 comma = ","; 732 } 733 if (flags & MNT_NOSUID) { 734 (void)printf("%snosuid", comma); 735 flags &= ~MNT_NOSUID; 736 comma = ","; 737 } 738 if (flags & MNT_NODEV) { 739 (void)printf("%snodev", comma); 740 flags &= ~MNT_NODEV; 741 comma = ","; 742 } 743 if (flags & MNT_ASYNC) { 744 (void)printf("%sasync", comma); 745 flags &= ~MNT_ASYNC; 746 comma = ","; 747 } 748 if (flags & MNT_EXRDONLY) { 749 (void)printf("%sexrdonly", comma); 750 flags &= ~MNT_EXRDONLY; 751 comma = ","; 752 } 753 if (flags & MNT_EXPORTED) { 754 (void)printf("%sexport", comma); 755 flags &= ~MNT_EXPORTED; 756 comma = ","; 757 } 758 if (flags & MNT_DEFEXPORTED) { 759 (void)printf("%sdefdexported", comma); 760 flags &= ~MNT_DEFEXPORTED; 761 comma = ","; 762 } 763 if (flags & MNT_EXPORTANON) { 764 (void)printf("%sexportanon", comma); 765 flags &= ~MNT_EXPORTANON; 766 comma = ","; 767 } 768 if (flags & MNT_WXALLOWED) { 769 (void)printf("%swxallowed", comma); 770 flags &= ~MNT_WXALLOWED; 771 comma = ","; 772 } 773 if (flags & MNT_LOCAL) { 774 (void)printf("%slocal", comma); 775 flags &= ~MNT_LOCAL; 776 comma = ","; 777 } 778 if (flags & MNT_QUOTA) { 779 (void)printf("%squota", comma); 780 flags &= ~MNT_QUOTA; 781 comma = ","; 782 } 783 if (flags & MNT_ROOTFS) { 784 (void)printf("%srootfs", comma); 785 flags &= ~MNT_ROOTFS; 786 comma = ","; 787 } 788 if (flags & MNT_NOATIME) { 789 (void)printf("%snoatime", comma); 790 flags &= ~MNT_NOATIME; 791 comma = ","; 792 } 793 /* filesystem control flags */ 794 if (flags & MNT_UPDATE) { 795 (void)printf("%supdate", comma); 796 flags &= ~MNT_UPDATE; 797 comma = ","; 798 } 799 if (flags & MNT_DELEXPORT) { 800 (void)printf("%sdelexport", comma); 801 flags &= ~MNT_DELEXPORT; 802 comma = ","; 803 } 804 if (flags & MNT_RELOAD) { 805 (void)printf("%sreload", comma); 806 flags &= ~MNT_RELOAD; 807 comma = ","; 808 } 809 if (flags & MNT_FORCE) { 810 (void)printf("%sforce", comma); 811 flags &= ~MNT_FORCE; 812 comma = ","; 813 } 814 if (flags & MNT_WANTRDWR) { 815 (void)printf("%swantrdwr", comma); 816 flags &= ~MNT_WANTRDWR; 817 comma = ","; 818 } 819 if (flags & MNT_SOFTDEP) { 820 (void)printf("%ssoftdep", comma); 821 flags &= ~MNT_SOFTDEP; 822 comma = ","; 823 } 824 if (flags) 825 (void)printf("%sunknown_flags:%x", comma, flags); 826 (void)printf(")"); 827 } 828 (void)printf("\n"); 829 } 830 831 /* 832 * simulate what a running kernel does in kinfo_vnode 833 */ 834 struct e_vnode * 835 kinfo_vnodes(void) 836 { 837 struct mntlist kvm_mountlist; 838 struct mount *mp, mount; 839 struct vnode *vp, vnode; 840 char *vbuf, *evbuf, *bp; 841 size_t num; 842 843 if (kd != NULL) 844 KGET(V_NUMV, numvnodes); 845 if (totalflag) 846 return NULL; 847 if ((vbuf = calloc(numvnodes + 20, 848 sizeof(struct vnode *) + sizeof(struct vnode))) == NULL) 849 err(1, "malloc: vnode buffer"); 850 bp = vbuf; 851 evbuf = vbuf + (numvnodes + 20) * 852 (sizeof(struct vnode *) + sizeof(struct vnode)); 853 KGET(V_MOUNTLIST, kvm_mountlist); 854 num = 0; 855 for (mp = TAILQ_FIRST(&kvm_mountlist); mp != NULL; 856 mp = TAILQ_NEXT(&mount, mnt_list)) { 857 KGETRET(mp, &mount, sizeof(mount), "mount entry"); 858 TAILQ_FOREACH(vp, &mount.mnt_vnodelist, v_mntvnodes) { 859 KGETRET(vp, &vnode, sizeof(vnode), "vnode"); 860 if ((bp + sizeof(struct vnode *) + 861 sizeof(struct vnode)) > evbuf) 862 /* XXX - should realloc */ 863 errx(1, "no more room for vnodes"); 864 memmove(bp, &vp, sizeof(struct vnode *)); 865 bp += sizeof(struct vnode *); 866 memmove(bp, &vnode, sizeof(struct vnode)); 867 bp += sizeof(struct vnode); 868 num++; 869 } 870 } 871 numvnodes = num; 872 return ((struct e_vnode *)vbuf); 873 } 874 875 const char hdr[] = 876 " LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 877 878 void 879 tty2itty(struct tty *tp, struct itty *itp) 880 { 881 itp->t_dev = tp->t_dev; 882 itp->t_rawq_c_cc = tp->t_rawq.c_cc; 883 itp->t_canq_c_cc = tp->t_canq.c_cc; 884 itp->t_outq_c_cc = tp->t_outq.c_cc; 885 itp->t_hiwat = tp->t_hiwat; 886 itp->t_lowat = tp->t_lowat; 887 itp->t_column = tp->t_column; 888 itp->t_state = tp->t_state; 889 itp->t_session = tp->t_session; 890 if (tp->t_pgrp != NULL) 891 KGET2(&tp->t_pgrp->pg_id, &itp->t_pgrp_pg_id, sizeof(pid_t), "pgid"); 892 itp->t_line = tp->t_line; 893 } 894 895 void 896 ttymode(void) 897 { 898 struct ttylist_head tty_head; 899 struct tty *tp, tty; 900 int i; 901 struct itty itty; 902 903 if (need_nlist) 904 KGET(TTY_NTTY, ntty); 905 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 906 (void)printf("%s", hdr); 907 if (!need_nlist) { 908 for (i = 0; i < ntty; i++) 909 ttyprt(&globalitp[i]); 910 free(globalitp); 911 } else { 912 KGET(TTY_TTYLIST, tty_head); 913 for (tp = TAILQ_FIRST(&tty_head); tp; 914 tp = TAILQ_NEXT(&tty, tty_link)) { 915 KGET2(tp, &tty, sizeof tty, "tty struct"); 916 tty2itty(&tty, &itty); 917 ttyprt(&itty); 918 } 919 } 920 } 921 922 void 923 ttymodeprep(void) 924 { 925 int mib[3]; 926 size_t nlen; 927 928 if (!need_nlist) { 929 mib[0] = CTL_KERN; 930 mib[1] = KERN_TTYCOUNT; 931 nlen = sizeof(ntty); 932 if (sysctl(mib, 2, &ntty, &nlen, NULL, 0) < 0) 933 err(1, "sysctl(KERN_TTYCOUNT) failed"); 934 935 mib[0] = CTL_KERN; 936 mib[1] = KERN_TTY; 937 mib[2] = KERN_TTY_INFO; 938 if ((globalitp = reallocarray(NULL, ntty, sizeof(struct itty))) == NULL) 939 err(1, "malloc"); 940 nlen = ntty * sizeof(struct itty); 941 if (sysctl(mib, 3, globalitp, &nlen, NULL, 0) < 0) 942 err(1, "sysctl(KERN_TTY_INFO) failed"); 943 } 944 } 945 946 struct { 947 int flag; 948 char val; 949 } ttystates[] = { 950 { TS_WOPEN, 'W'}, 951 { TS_ISOPEN, 'O'}, 952 { TS_CARR_ON, 'C'}, 953 { TS_TIMEOUT, 'T'}, 954 { TS_FLUSH, 'F'}, 955 { TS_BUSY, 'B'}, 956 { TS_ASLEEP, 'A'}, 957 { TS_XCLUDE, 'X'}, 958 { TS_TTSTOP, 'S'}, 959 { TS_TBLOCK, 'K'}, 960 { TS_ASYNC, 'Y'}, 961 { TS_BKSL, 'D'}, 962 { TS_ERASE, 'E'}, 963 { TS_LNCH, 'L'}, 964 { TS_TYPEN, 'P'}, 965 { TS_CNTTB, 'N'}, 966 { 0, '\0'}, 967 }; 968 969 void 970 ttyprt(struct itty *tp) 971 { 972 char *name, state[20]; 973 int i, j; 974 975 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 976 (void)printf("%2u,%-3u ", major(tp->t_dev), minor(tp->t_dev)); 977 else 978 (void)printf("%7s ", name); 979 (void)printf("%3d %4d ", tp->t_rawq_c_cc, tp->t_canq_c_cc); 980 (void)printf("%4d %4d %3d %6d ", tp->t_outq_c_cc, 981 tp->t_hiwat, tp->t_lowat, tp->t_column); 982 for (i = j = 0; ttystates[i].flag; i++) 983 if (tp->t_state&ttystates[i].flag) 984 state[j++] = ttystates[i].val; 985 if (j == 0) 986 state[j++] = '-'; 987 state[j] = '\0'; 988 (void)printf("%-6s %8lx", state, 989 hideroot ? 0 : (u_long)tp->t_session & 0xffffffff); 990 (void)printf("%6d ", tp->t_pgrp_pg_id); 991 switch (tp->t_line) { 992 case TTYDISC: 993 (void)printf("term\n"); 994 break; 995 case PPPDISC: 996 (void)printf("ppp\n"); 997 break; 998 case NMEADISC: 999 (void)printf("nmea\n"); 1000 break; 1001 default: 1002 (void)printf("%d\n", tp->t_line); 1003 break; 1004 } 1005 } 1006 1007 void 1008 filemode(void) 1009 { 1010 char flagbuf[16], *fbp; 1011 static char *dtypes[] = { "???", "inode", "socket", "pipe", "kqueue", "???", "???" }; 1012 1013 globalnl = vnodenl; 1014 1015 if (nlistf != NULL || memf != NULL) { 1016 KGET(FNL_MAXFILE, maxfile); 1017 if (totalflag) { 1018 KGET(FNL_NFILE, nfile); 1019 (void)printf("%3d/%3d files\n", nfile, maxfile); 1020 return; 1021 } 1022 } 1023 1024 (void)printf("%d/%d open files\n", nfile, maxfile); 1025 if (totalflag) 1026 return; 1027 1028 (void)printf("%*s TYPE FLG CNT MSG %*s OFFSET\n", 1029 2 * (int)sizeof(long), "LOC", 2 * (int)sizeof(long), "DATA"); 1030 for (; nfile-- > 0; kf++) { 1031 (void)printf("%0*llx ", 2 * (int)sizeof(long), 1032 hideroot ? 0LL : kf->f_fileaddr); 1033 (void)printf("%-8.8s", dtypes[ 1034 (kf->f_type >= (sizeof(dtypes)/sizeof(dtypes[0]))) 1035 ? 0 : kf->f_type]); 1036 fbp = flagbuf; 1037 if (kf->f_flag & FREAD) 1038 *fbp++ = 'R'; 1039 if (kf->f_flag & FWRITE) 1040 *fbp++ = 'W'; 1041 if (kf->f_flag & FAPPEND) 1042 *fbp++ = 'A'; 1043 if (kf->f_flag & FASYNC) 1044 *fbp++ = 'I'; 1045 1046 if (kf->f_iflags & FIF_HASLOCK) 1047 *fbp++ = 'L'; 1048 1049 *fbp = '\0'; 1050 (void)printf("%6s %3ld", flagbuf, (long)kf->f_count); 1051 (void)printf(" %3ld", (long)kf->f_msgcount); 1052 (void)printf(" %0*lx", 2 * (int)sizeof(long), 1053 hideroot ? 0L : (long)kf->f_data); 1054 1055 if (kf->f_offset == (uint64_t)-1) 1056 (void)printf(" *\n"); 1057 else if (kf->f_offset > INT64_MAX) { 1058 /* would have been negative */ 1059 (void)printf(" %llx\n", 1060 hideroot ? 0LL : (long long)kf->f_offset); 1061 } else 1062 (void)printf(" %lld\n", 1063 hideroot ? 0LL : (long long)kf->f_offset); 1064 } 1065 } 1066 1067 void 1068 filemodeprep(void) 1069 { 1070 int mib[2]; 1071 size_t len; 1072 1073 if (nlistf == NULL && memf == NULL) { 1074 mib[0] = CTL_KERN; 1075 mib[1] = KERN_MAXFILES; 1076 len = sizeof(maxfile); 1077 if (sysctl(mib, 2, &maxfile, &len, NULL, 0) < 0) 1078 err(1, "sysctl(KERN_MAXFILES) failed"); 1079 if (totalflag) { 1080 mib[0] = CTL_KERN; 1081 mib[1] = KERN_NFILES; 1082 len = sizeof(nfile); 1083 if (sysctl(mib, 2, &nfile, &len, NULL, 0) < 0) 1084 err(1, "sysctl(KERN_NFILES) failed"); 1085 } 1086 } 1087 1088 if (!totalflag) { 1089 kf = kvm_getfiles(kd, KERN_FILE_BYFILE, 0, sizeof *kf, &nfile); 1090 if (kf == NULL) { 1091 warnx("kvm_getfiles: %s", kvm_geterr(kd)); 1092 return; 1093 } 1094 } 1095 } 1096 1097 /* 1098 * swapmode is based on a program called swapinfo written 1099 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 1100 */ 1101 void 1102 swapmode(void) 1103 { 1104 char *header; 1105 int hlen = 10, nswap; 1106 int bdiv, i, avail, nfree, npfree, used; 1107 long blocksize; 1108 struct swapent *swdev; 1109 1110 if (kflag) { 1111 header = "1K-blocks"; 1112 blocksize = 1024; 1113 hlen = strlen(header); 1114 } else 1115 header = getbsize(&hlen, &blocksize); 1116 1117 nswap = swapctl(SWAP_NSWAP, 0, 0); 1118 if (nswap == 0) { 1119 if (!totalflag) 1120 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1121 "Device", hlen, header, 1122 "Used", "Avail", "Capacity", "Priority"); 1123 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1124 "Total", hlen, 0, 0, 0, 0.0); 1125 return; 1126 } 1127 if ((swdev = calloc(nswap, sizeof(*swdev))) == NULL) 1128 err(1, "malloc"); 1129 if (swapctl(SWAP_STATS, swdev, nswap) == -1) 1130 err(1, "swapctl"); 1131 1132 if (!totalflag) 1133 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1134 "Device", hlen, header, 1135 "Used", "Avail", "Capacity", "Priority"); 1136 1137 /* Run through swap list, doing the funky monkey. */ 1138 bdiv = blocksize / DEV_BSIZE; 1139 avail = nfree = npfree = 0; 1140 for (i = 0; i < nswap; i++) { 1141 int xsize, xfree; 1142 1143 if (!(swdev[i].se_flags & SWF_ENABLE)) 1144 continue; 1145 1146 if (!totalflag) { 1147 if (usenumflag) 1148 (void)printf("%2u,%-2u %*d ", 1149 major(swdev[i].se_dev), 1150 minor(swdev[i].se_dev), 1151 hlen, swdev[i].se_nblks / bdiv); 1152 else 1153 (void)printf("%-11s %*d ", swdev[i].se_path, 1154 hlen, swdev[i].se_nblks / bdiv); 1155 } 1156 1157 xsize = swdev[i].se_nblks; 1158 used = swdev[i].se_inuse; 1159 xfree = xsize - used; 1160 nfree += (xsize - used); 1161 npfree++; 1162 avail += xsize; 1163 if (totalflag) 1164 continue; 1165 (void)printf("%8d %8d %5.0f%% %d\n", 1166 used / bdiv, xfree / bdiv, 1167 (double)used / (double)xsize * 100.0, 1168 swdev[i].se_priority); 1169 } 1170 free(swdev); 1171 1172 /* 1173 * If only one partition has been set up via swapon(8), we don't 1174 * need to bother with totals. 1175 */ 1176 used = avail - nfree; 1177 if (totalflag) { 1178 (void)printf("%dM/%dM swap space\n", 1179 used / (1048576 / DEV_BSIZE), 1180 avail / (1048576 / DEV_BSIZE)); 1181 return; 1182 } 1183 if (npfree > 1) { 1184 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1185 "Total", hlen, avail / bdiv, used / bdiv, nfree / bdiv, 1186 (double)used / (double)avail * 100.0); 1187 } 1188 } 1189 1190 static void __dead 1191 usage(void) 1192 { 1193 (void)fprintf(stderr, "usage: " 1194 "pstat [-fknsTtv] [-M core] [-N system] [-d format symbol ...]\n"); 1195 exit(1); 1196 } 1197