pstat.c revision 1.82
1/* $OpenBSD: pstat.c,v 1.82 2012/12/18 21:28:45 millert 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> 34#include <sys/proc.h> 35#include <sys/time.h> 36#include <sys/buf.h> 37#include <sys/vnode.h> 38#include <sys/ucred.h> 39#define _KERNEL 40#include <sys/file.h> 41#include <ufs/ufs/quota.h> 42#include <ufs/ufs/inode.h> 43#include <sys/mount.h> 44#undef _KERNEL 45#include <sys/stat.h> 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 <err.h> 59#include <kvm.h> 60#include <limits.h> 61#include <nlist.h> 62#include <paths.h> 63#include <stdio.h> 64#include <stdlib.h> 65#include <string.h> 66#include <unistd.h> 67 68struct nlist vnodenl[] = { 69#define FNL_NFILE 0 /* sysctl */ 70 {"_nfiles"}, 71#define FNL_MAXFILE 1 /* sysctl */ 72 {"_maxfiles"}, 73#define TTY_NTTY 2 /* sysctl */ 74 {"_tty_count"}, 75#define V_NUMV 3 /* sysctl */ 76 { "_numvnodes" }, 77#define TTY_TTYLIST 4 /* sysctl */ 78 {"_ttylist"}, 79#define V_MOUNTLIST 5 /* no sysctl */ 80 { "_mountlist" }, 81 { NULL } 82}; 83 84struct nlist *globalnl; 85 86int usenumflag; 87int totalflag; 88int kflag; 89char *nlistf = NULL; 90char *memf = NULL; 91kvm_t *kd = NULL; 92 93#define SVAR(var) __STRING(var) /* to force expansion */ 94#define KGET(idx, var) \ 95 KGET1(idx, &var, sizeof(var), SVAR(var)) 96#define KGET1(idx, p, s, msg) \ 97 KGET2(globalnl[idx].n_value, p, s, msg) 98#define KGET2(addr, p, s, msg) \ 99 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 100 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 101#define KGETRET(addr, p, s, msg) \ 102 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 103 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 104 return (0); \ 105 } 106 107void filemode(void); 108struct mount * 109 getmnt(struct mount *); 110struct e_vnode * 111 kinfo_vnodes(int *); 112struct e_vnode * 113 loadvnodes(int *); 114void mount_print(struct mount *); 115void nfs_header(void); 116int nfs_print(struct vnode *); 117void swapmode(void); 118void ttymode(void); 119void ttyprt(struct itty *); 120void ufs_header(void); 121int ufs_print(struct vnode *); 122void ext2fs_header(void); 123int ext2fs_print(struct vnode *); 124void usage(void); 125void vnode_header(void); 126void vnode_print(struct vnode *, struct vnode *); 127void vnodemode(void); 128 129int 130main(int argc, char *argv[]) 131{ 132 int fileflag = 0, swapflag = 0, ttyflag = 0, vnodeflag = 0, ch; 133 char buf[_POSIX2_LINE_MAX]; 134 const char *dformat = NULL; 135 extern char *optarg; 136 extern int optind; 137 gid_t gid; 138 int i, need_nlist; 139 140 while ((ch = getopt(argc, argv, "d:TM:N:fiknstv")) != -1) 141 switch (ch) { 142 case 'd': 143 dformat = optarg; 144 break; 145 case 'f': 146 fileflag = 1; 147 break; 148 case 'M': 149 memf = optarg; 150 break; 151 case 'N': 152 nlistf = optarg; 153 break; 154 case 'n': 155 usenumflag = 1; 156 break; 157 case 's': 158 swapflag = 1; 159 break; 160 case 'T': 161 totalflag = 1; 162 break; 163 case 't': 164 ttyflag = 1; 165 break; 166 case 'k': 167 kflag = 1; 168 break; 169 case 'v': 170 case 'i': /* Backward compatibility. */ 171 vnodeflag = 1; 172 break; 173 default: 174 usage(); 175 } 176 argc -= optind; 177 argv += optind; 178 179 if (dformat && getuid()) 180 errx(1, "Only root can use -d"); 181 182 if ((dformat == 0 && argc > 0) || (dformat && argc == 0)) 183 usage(); 184 185 need_nlist = vnodeflag || dformat; 186 187 /* 188 * Discard setgid privileges if not the running kernel so that bad 189 * guys can't print interesting stuff from kernel memory. 190 */ 191 gid = getgid(); 192 if (nlistf != NULL || memf != NULL) { 193 if (setresgid(gid, gid, gid) == -1) 194 err(1, "setresgid"); 195 if (fileflag || totalflag) 196 need_nlist = 1; 197 } 198 199 if (vnodeflag || fileflag || dformat || need_nlist) 200 if ((kd = kvm_openfiles(nlistf, memf, NULL, 201 O_RDONLY | (need_nlist ? 0 : KVM_NO_FILES), buf)) == 0) 202 errx(1, "kvm_openfiles: %s", buf); 203 204 if (nlistf == NULL && memf == NULL) 205 if (setresgid(gid, gid, gid) == -1) 206 err(1, "setresgid"); 207 if (dformat) { 208 struct nlist *nl; 209 int longformat = 0, stringformat = 0, error = 0, n; 210 int mask = ~0; 211 char format[10], buf[1024]; 212 213 n = strlen(dformat); 214 if (n == 0) 215 errx(1, "illegal format"); 216 217 /* 218 * Support p, c, s, and {l, ll, h, hh, j, t, z, }[diouxX] 219 */ 220 if (strcmp(dformat, "p") == 0) 221 longformat = sizeof(long) == 8; 222 else if (strcmp(dformat, "c") == 0) 223 mask = 0xff; 224 else if (strcmp(dformat, "s") == 0) 225 stringformat = 1; 226 else if (strchr("diouxX", dformat[n - 1])) { 227 char *ptbl[]= {"l", "ll", "h", "hh", "j", "t", "z", ""}; 228 int i; 229 230 char *mod; 231 for (i = 0; i < sizeof(ptbl)/sizeof(ptbl[0]); i++) { 232 mod = ptbl[i]; 233 if (strlen(mod) == n - 1 && 234 strncmp(mod, dformat, strlen(mod)) == 0) 235 break; 236 } 237 if (i == sizeof(ptbl)/sizeof(ptbl[0]) 238 && dformat[1] != '\0') 239 errx(1, "illegal format"); 240 if (strcmp(mod, "l") == 0) 241 longformat = sizeof(long) == sizeof(long long); 242 else if (strcmp(mod, "h") == 0) 243 mask = 0xffff; 244 else if (strcmp(mod, "hh") == 0) 245 mask = 0xff; 246 else 247 longformat = 1; 248 249 } else 250 errx(1, "illegal format"); 251 252 if (*dformat == 's') { 253 stringformat = 1; 254 snprintf(format, sizeof(format), "%%.%zus", 255 sizeof buf); 256 } else 257 snprintf(format, sizeof(format), "%%%s", dformat); 258 259 nl = calloc(argc + 1, sizeof *nl); 260 if (!nl) 261 err(1, "calloc nl: "); 262 for (i = 0; i < argc; i++) { 263 if (asprintf(&nl[i].n_name, "_%s", 264 argv[i]) == -1) 265 warn("asprintf"); 266 } 267 kvm_nlist(kd, nl); 268 globalnl = nl; 269 for (i = 0; i < argc; i++) { 270 long long v; 271 272 printf("%s ", argv[i]); 273 if (!nl[i].n_value && argv[i][0] == '0') { 274 nl[i].n_value = strtoul(argv[i], NULL, 16); 275 nl[i].n_type = N_DATA; 276 } 277 if (!nl[i].n_value) { 278 printf("not found\n"); 279 error++; 280 continue; 281 } 282 283 printf("at %p: ", (void *)nl[i].n_value); 284 if (nl[i].n_type == N_DATA) { 285 if (stringformat) { 286 KGET1(i, &buf, sizeof(buf), argv[i]); 287 buf[sizeof(buf) - 1] = '\0'; 288 } else 289 KGET1(i, &v, sizeof(v), argv[i]); 290 if (stringformat) 291 printf(format, &buf); 292 else if (longformat) 293 printf(format, v); 294 else 295 printf(format, ((int)v) & mask); 296 } 297 printf("\n"); 298 } 299 for (i = 0; i < argc; i++) 300 free(nl[i].n_name); 301 free(nl); 302 exit(error); 303 } 304 305 if (need_nlist) 306 if (kvm_nlist(kd, vnodenl) == -1) 307 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 308 309 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag || dformat)) 310 usage(); 311 if (fileflag || totalflag) 312 filemode(); 313 if (vnodeflag || totalflag) 314 vnodemode(); 315 if (ttyflag) 316 ttymode(); 317 if (swapflag || totalflag) 318 swapmode(); 319 exit(0); 320} 321 322void 323vnodemode(void) 324{ 325 struct e_vnode *e_vnodebase, *endvnode, *evp; 326 struct vnode *vp; 327 struct mount *maddr, *mp = NULL; 328 int numvnodes; 329 330 globalnl = vnodenl; 331 332 e_vnodebase = loadvnodes(&numvnodes); 333 if (totalflag) { 334 (void)printf("%7d vnodes\n", numvnodes); 335 return; 336 } 337 endvnode = e_vnodebase + numvnodes; 338 (void)printf("%d active vnodes\n", numvnodes); 339 340 maddr = NULL; 341 for (evp = e_vnodebase; evp < endvnode; evp++) { 342 vp = &evp->vnode; 343 if (vp->v_mount != maddr) { 344 /* 345 * New filesystem 346 */ 347 if ((mp = getmnt(vp->v_mount)) == NULL) 348 continue; 349 maddr = vp->v_mount; 350 mount_print(mp); 351 vnode_header(); 352 if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 353 !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 354 ufs_header(); 355 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, 356 MFSNAMELEN)) { 357 nfs_header(); 358 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS, 359 MFSNAMELEN)) { 360 ext2fs_header(); 361 } 362 (void)printf("\n"); 363 } 364 vnode_print(evp->vptr, vp); 365 366 /* Syncer vnodes have no associated fs-specific data */ 367 if (vp->v_data == NULL) { 368 printf(" %6c %5c %7c\n", '-', '-', '-'); 369 continue; 370 } 371 372 if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 373 !strncmp(mp->mnt_stat.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 374 ufs_print(vp); 375 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { 376 nfs_print(vp); 377 } else if (!strncmp(mp->mnt_stat.f_fstypename, MOUNT_EXT2FS, 378 MFSNAMELEN)) { 379 ext2fs_print(vp); 380 } 381 (void)printf("\n"); 382 } 383 free(e_vnodebase); 384} 385 386void 387vnode_header(void) 388{ 389 (void)printf("%*s TYP VFLAG USE HOLD", 2 * (int)sizeof(long), "ADDR"); 390} 391 392void 393vnode_print(struct vnode *avnode, struct vnode *vp) 394{ 395 char *type, flags[16]; 396 char *fp = flags; 397 int flag; 398 399 /* 400 * set type 401 */ 402 switch (vp->v_type) { 403 case VNON: 404 type = "non"; break; 405 case VREG: 406 type = "reg"; break; 407 case VDIR: 408 type = "dir"; break; 409 case VBLK: 410 type = "blk"; break; 411 case VCHR: 412 type = "chr"; break; 413 case VLNK: 414 type = "lnk"; break; 415 case VSOCK: 416 type = "soc"; break; 417 case VFIFO: 418 type = "fif"; break; 419 case VBAD: 420 type = "bad"; break; 421 default: 422 type = "unk"; break; 423 } 424 /* 425 * gather flags 426 */ 427 flag = vp->v_flag; 428 if (flag & VROOT) 429 *fp++ = 'R'; 430 if (flag & VTEXT) 431 *fp++ = 'T'; 432 if (flag & VSYSTEM) 433 *fp++ = 'S'; 434 if (flag & VISTTY) 435 *fp++ = 'I'; 436 if (flag & VXLOCK) 437 *fp++ = 'L'; 438 if (flag & VXWANT) 439 *fp++ = 'W'; 440 if (vp->v_bioflag & VBIOWAIT) 441 *fp++ = 'B'; 442 if (flag & VALIASED) 443 *fp++ = 'A'; 444 if (vp->v_bioflag & VBIOONFREELIST) 445 *fp++ = 'F'; 446 if (flag & VLOCKSWORK) 447 *fp++ = 'l'; 448 if (vp->v_bioflag & VBIOONSYNCLIST) 449 *fp++ = 's'; 450 if (flag == 0) 451 *fp++ = '-'; 452 *fp = '\0'; 453 (void)printf("%0*lx %s %5s %4d %4u", 2 * (int)sizeof(long), 454 (long)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 455} 456 457void 458ufs_header(void) 459{ 460 (void)printf(" FILEID IFLAG RDEV|SZ"); 461} 462 463int 464ufs_print(struct vnode *vp) 465{ 466 int flag; 467 struct inode inode, *ip = &inode; 468 struct ufs1_dinode di1; 469 char flagbuf[16], *flags = flagbuf; 470 char *name; 471 mode_t type; 472 473 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 474 KGETRET(inode.i_din1, &di1, sizeof(struct ufs1_dinode), 475 "vnode's dinode"); 476 477 inode.i_din1 = &di1; 478 flag = ip->i_flag; 479#if 0 480 if (flag & IN_LOCKED) 481 *flags++ = 'L'; 482 if (flag & IN_WANTED) 483 *flags++ = 'W'; 484 if (flag & IN_LWAIT) 485 *flags++ = 'Z'; 486#endif 487 if (flag & IN_ACCESS) 488 *flags++ = 'A'; 489 if (flag & IN_CHANGE) 490 *flags++ = 'C'; 491 if (flag & IN_UPDATE) 492 *flags++ = 'U'; 493 if (flag & IN_MODIFIED) 494 *flags++ = 'M'; 495 if (flag & IN_RENAME) 496 *flags++ = 'R'; 497 if (flag & IN_SHLOCK) 498 *flags++ = 'S'; 499 if (flag & IN_EXLOCK) 500 *flags++ = 'E'; 501 if (flag == 0) 502 *flags++ = '-'; 503 *flags = '\0'; 504 505 (void)printf(" %6d %5s", ip->i_number, flagbuf); 506 type = ip->i_ffs1_mode & S_IFMT; 507 if (S_ISCHR(ip->i_ffs1_mode) || S_ISBLK(ip->i_ffs1_mode)) 508 if (usenumflag || 509 ((name = devname(ip->i_ffs1_rdev, type)) == NULL)) 510 (void)printf(" %2d,%-2d", 511 major(ip->i_ffs1_rdev), minor(ip->i_ffs1_rdev)); 512 else 513 (void)printf(" %7s", name); 514 else 515 (void)printf(" %7qd", ip->i_ffs1_size); 516 return (0); 517} 518 519void 520ext2fs_header(void) 521{ 522 (void)printf(" FILEID IFLAG SZ"); 523} 524 525int 526ext2fs_print(struct vnode *vp) 527{ 528 int flag; 529 struct inode inode, *ip = &inode; 530 struct ext2fs_dinode di; 531 char flagbuf[16], *flags = flagbuf; 532 533 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 534 KGETRET(inode.i_e2din, &di, sizeof(struct ext2fs_dinode), 535 "vnode's dinode"); 536 537 inode.i_e2din = &di; 538 flag = ip->i_flag; 539 540#if 0 541 if (flag & IN_LOCKED) 542 *flags++ = 'L'; 543 if (flag & IN_WANTED) 544 *flags++ = 'W'; 545 if (flag & IN_LWAIT) 546 *flags++ = 'Z'; 547#endif 548 if (flag & IN_ACCESS) 549 *flags++ = 'A'; 550 if (flag & IN_CHANGE) 551 *flags++ = 'C'; 552 if (flag & IN_UPDATE) 553 *flags++ = 'U'; 554 if (flag & IN_MODIFIED) 555 *flags++ = 'M'; 556 if (flag & IN_RENAME) 557 *flags++ = 'R'; 558 if (flag & IN_SHLOCK) 559 *flags++ = 'S'; 560 if (flag & IN_EXLOCK) 561 *flags++ = 'E'; 562 if (flag == 0) 563 *flags++ = '-'; 564 *flags = '\0'; 565 566 (void)printf(" %6d %5s %2d", ip->i_number, flagbuf, ip->i_e2fs_size); 567 return (0); 568} 569 570void 571nfs_header(void) 572{ 573 (void)printf(" FILEID NFLAG RDEV|SZ"); 574} 575 576int 577nfs_print(struct vnode *vp) 578{ 579 struct nfsnode nfsnode, *np = &nfsnode; 580 char flagbuf[16], *flags = flagbuf; 581 int flag; 582 char *name; 583 mode_t type; 584 585 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 586 flag = np->n_flag; 587 if (flag & NFLUSHWANT) 588 *flags++ = 'W'; 589 if (flag & NFLUSHINPROG) 590 *flags++ = 'P'; 591 if (flag & NMODIFIED) 592 *flags++ = 'M'; 593 if (flag & NWRITEERR) 594 *flags++ = 'E'; 595 if (flag & NACC) 596 *flags++ = 'A'; 597 if (flag & NUPD) 598 *flags++ = 'U'; 599 if (flag & NCHG) 600 *flags++ = 'C'; 601 if (flag == 0) 602 *flags++ = '-'; 603 *flags = '\0'; 604 605 (void)printf(" %6ld %5s", np->n_vattr.va_fileid, flagbuf); 606 type = np->n_vattr.va_mode & S_IFMT; 607 if (S_ISCHR(np->n_vattr.va_mode) || S_ISBLK(np->n_vattr.va_mode)) 608 if (usenumflag || 609 ((name = devname(np->n_vattr.va_rdev, type)) == NULL)) 610 (void)printf(" %2d,%-2d", major(np->n_vattr.va_rdev), 611 minor(np->n_vattr.va_rdev)); 612 else 613 (void)printf(" %7s", name); 614 else 615 (void)printf(" %7qd", np->n_size); 616 return (0); 617} 618 619/* 620 * Given a pointer to a mount structure in kernel space, 621 * read it in and return a usable pointer to it. 622 */ 623struct mount * 624getmnt(struct mount *maddr) 625{ 626 static struct mtab { 627 struct mtab *next; 628 struct mount *maddr; 629 struct mount mount; 630 } *mhead = NULL; 631 struct mtab *mt; 632 633 for (mt = mhead; mt != NULL; mt = mt->next) 634 if (maddr == mt->maddr) 635 return (&mt->mount); 636 if ((mt = malloc(sizeof(struct mtab))) == NULL) 637 err(1, "malloc: mount table"); 638 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 639 mt->maddr = maddr; 640 mt->next = mhead; 641 mhead = mt; 642 return (&mt->mount); 643} 644 645void 646mount_print(struct mount *mp) 647{ 648 int flags; 649 650 (void)printf("*** MOUNT "); 651 (void)printf("%.*s %s on %s", MFSNAMELEN, 652 mp->mnt_stat.f_fstypename, mp->mnt_stat.f_mntfromname, 653 mp->mnt_stat.f_mntonname); 654 if ((flags = mp->mnt_flag)) { 655 char *comma = "("; 656 657 putchar(' '); 658 /* user visible flags */ 659 if (flags & MNT_RDONLY) { 660 (void)printf("%srdonly", comma); 661 flags &= ~MNT_RDONLY; 662 comma = ","; 663 } 664 if (flags & MNT_SYNCHRONOUS) { 665 (void)printf("%ssynchronous", comma); 666 flags &= ~MNT_SYNCHRONOUS; 667 comma = ","; 668 } 669 if (flags & MNT_NOEXEC) { 670 (void)printf("%snoexec", comma); 671 flags &= ~MNT_NOEXEC; 672 comma = ","; 673 } 674 if (flags & MNT_NOSUID) { 675 (void)printf("%snosuid", comma); 676 flags &= ~MNT_NOSUID; 677 comma = ","; 678 } 679 if (flags & MNT_NODEV) { 680 (void)printf("%snodev", comma); 681 flags &= ~MNT_NODEV; 682 comma = ","; 683 } 684 if (flags & MNT_ASYNC) { 685 (void)printf("%sasync", comma); 686 flags &= ~MNT_ASYNC; 687 comma = ","; 688 } 689 if (flags & MNT_EXRDONLY) { 690 (void)printf("%sexrdonly", comma); 691 flags &= ~MNT_EXRDONLY; 692 comma = ","; 693 } 694 if (flags & MNT_EXPORTED) { 695 (void)printf("%sexport", comma); 696 flags &= ~MNT_EXPORTED; 697 comma = ","; 698 } 699 if (flags & MNT_DEFEXPORTED) { 700 (void)printf("%sdefdexported", comma); 701 flags &= ~MNT_DEFEXPORTED; 702 comma = ","; 703 } 704 if (flags & MNT_EXPORTANON) { 705 (void)printf("%sexportanon", comma); 706 flags &= ~MNT_EXPORTANON; 707 comma = ","; 708 } 709 if (flags & MNT_EXKERB) { 710 (void)printf("%sexkerb", comma); 711 flags &= ~MNT_EXKERB; 712 comma = ","; 713 } 714 if (flags & MNT_LOCAL) { 715 (void)printf("%slocal", comma); 716 flags &= ~MNT_LOCAL; 717 comma = ","; 718 } 719 if (flags & MNT_QUOTA) { 720 (void)printf("%squota", comma); 721 flags &= ~MNT_QUOTA; 722 comma = ","; 723 } 724 if (flags & MNT_ROOTFS) { 725 (void)printf("%srootfs", comma); 726 flags &= ~MNT_ROOTFS; 727 comma = ","; 728 } 729 if (flags & MNT_NOATIME) { 730 (void)printf("%snoatime", comma); 731 flags &= ~MNT_NOATIME; 732 comma = ","; 733 } 734 /* filesystem control flags */ 735 if (flags & MNT_UPDATE) { 736 (void)printf("%supdate", comma); 737 flags &= ~MNT_UPDATE; 738 comma = ","; 739 } 740 if (flags & MNT_DELEXPORT) { 741 (void)printf("%sdelexport", comma); 742 flags &= ~MNT_DELEXPORT; 743 comma = ","; 744 } 745 if (flags & MNT_RELOAD) { 746 (void)printf("%sreload", comma); 747 flags &= ~MNT_RELOAD; 748 comma = ","; 749 } 750 if (flags & MNT_FORCE) { 751 (void)printf("%sforce", comma); 752 flags &= ~MNT_FORCE; 753 comma = ","; 754 } 755 if (flags & MNT_WANTRDWR) { 756 (void)printf("%swantrdwr", comma); 757 flags &= ~MNT_WANTRDWR; 758 comma = ","; 759 } 760 if (flags & MNT_SOFTDEP) { 761 (void)printf("%ssoftdep", comma); 762 flags &= ~MNT_SOFTDEP; 763 comma = ","; 764 } 765 if (flags) 766 (void)printf("%sunknown_flags:%x", comma, flags); 767 (void)printf(")"); 768 } 769 (void)printf("\n"); 770} 771 772struct e_vnode * 773loadvnodes(int *avnodes) 774{ 775 int mib[2]; 776 size_t copysize; 777 struct e_vnode *vnodebase; 778 779 if (memf != NULL) { 780 /* 781 * do it by hand 782 */ 783 return (kinfo_vnodes(avnodes)); 784 } 785 mib[0] = CTL_KERN; 786 mib[1] = KERN_VNODE; 787 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 788 err(1, "sysctl: KERN_VNODE"); 789 if ((vnodebase = malloc(copysize)) == NULL) 790 err(1, "malloc: vnode table"); 791 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 792 err(1, "sysctl: KERN_VNODE"); 793 if (copysize % sizeof(struct e_vnode)) 794 errx(1, "vnode size mismatch"); 795 *avnodes = copysize / sizeof(struct e_vnode); 796 797 return (vnodebase); 798} 799 800/* 801 * simulate what a running kernel does in kinfo_vnode 802 */ 803struct e_vnode * 804kinfo_vnodes(int *avnodes) 805{ 806 struct mntlist kvm_mountlist; 807 struct mount *mp, mount; 808 struct vnode *vp, vnode; 809 char *vbuf, *evbuf, *bp; 810 int mib[2], numvnodes; 811 size_t num; 812 813 if (kd == 0) { 814 mib[0] = CTL_KERN; 815 mib[1] = KERN_NUMVNODES; 816 num = sizeof(numvnodes); 817 if (sysctl(mib, 2, &numvnodes, &num, NULL, 0) < 0) 818 err(1, "sysctl(KERN_NUMVNODES) failed"); 819 } else 820 KGET(V_NUMV, numvnodes); 821 if ((vbuf = calloc(numvnodes + 20, 822 sizeof(struct vnode *) + sizeof(struct vnode))) == NULL) 823 err(1, "malloc: vnode buffer"); 824 bp = vbuf; 825 evbuf = vbuf + (numvnodes + 20) * 826 (sizeof(struct vnode *) + sizeof(struct vnode)); 827 KGET(V_MOUNTLIST, kvm_mountlist); 828 for (num = 0, mp = CIRCLEQ_FIRST(&kvm_mountlist); ; 829 mp = CIRCLEQ_NEXT(&mount, mnt_list)) { 830 KGET2(mp, &mount, sizeof(mount), "mount entry"); 831 for (vp = LIST_FIRST(&mount.mnt_vnodelist); 832 vp != NULL; vp = LIST_NEXT(&vnode, v_mntvnodes)) { 833 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 834 if ((bp + sizeof(struct vnode *) + 835 sizeof(struct vnode)) > evbuf) 836 /* XXX - should realloc */ 837 errx(1, "no more room for vnodes"); 838 memmove(bp, &vp, sizeof(struct vnode *)); 839 bp += sizeof(struct vnode *); 840 memmove(bp, &vnode, sizeof(struct vnode)); 841 bp += sizeof(struct vnode); 842 num++; 843 } 844 if (mp == CIRCLEQ_LAST(&kvm_mountlist)) 845 break; 846 } 847 *avnodes = num; 848 return ((struct e_vnode *)vbuf); 849} 850 851const char hdr[] = 852" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 853 854void 855tty2itty(struct tty *tp, struct itty *itp) 856{ 857 itp->t_dev = tp->t_dev; 858 itp->t_rawq_c_cc = tp->t_rawq.c_cc; 859 itp->t_canq_c_cc = tp->t_canq.c_cc; 860 itp->t_outq_c_cc = tp->t_outq.c_cc; 861 itp->t_hiwat = tp->t_hiwat; 862 itp->t_lowat = tp->t_lowat; 863 itp->t_column = tp->t_column; 864 itp->t_state = tp->t_state; 865 itp->t_session = tp->t_session; 866 if (tp->t_pgrp != NULL) 867 KGET2(&tp->t_pgrp->pg_id, &itp->t_pgrp_pg_id, sizeof(pid_t), "pgid"); 868 itp->t_line = tp->t_line; 869} 870 871void 872ttymode(void) 873{ 874 struct ttylist_head tty_head; 875 struct tty *tp, tty; 876 int mib[3], ntty, i; 877 struct itty itty, *itp; 878 size_t nlen; 879 880 if (kd == 0) { 881 mib[0] = CTL_KERN; 882 mib[1] = KERN_TTYCOUNT; 883 nlen = sizeof(ntty); 884 if (sysctl(mib, 2, &ntty, &nlen, NULL, 0) < 0) 885 err(1, "sysctl(KERN_TTYCOUNT) failed"); 886 } else 887 KGET(TTY_NTTY, ntty); 888 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 889 (void)printf("%s", hdr); 890 if (kd == 0) { 891 mib[0] = CTL_KERN; 892 mib[1] = KERN_TTY; 893 mib[2] = KERN_TTY_INFO; 894 nlen = ntty * sizeof(struct itty); 895 if ((itp = malloc(nlen)) == NULL) 896 err(1, "malloc"); 897 if (sysctl(mib, 3, itp, &nlen, NULL, 0) < 0) 898 err(1, "sysctl(KERN_TTY_INFO) failed"); 899 for (i = 0; i < ntty; i++) 900 ttyprt(&itp[i]); 901 free(itp); 902 } else { 903 KGET(TTY_TTYLIST, tty_head); 904 for (tp = TAILQ_FIRST(&tty_head); tp; 905 tp = TAILQ_NEXT(&tty, tty_link)) { 906 KGET2(tp, &tty, sizeof tty, "tty struct"); 907 tty2itty(&tty, &itty); 908 ttyprt(&itty); 909 } 910 } 911} 912 913struct { 914 int flag; 915 char val; 916} ttystates[] = { 917 { TS_WOPEN, 'W'}, 918 { TS_ISOPEN, 'O'}, 919 { TS_CARR_ON, 'C'}, 920 { TS_TIMEOUT, 'T'}, 921 { TS_FLUSH, 'F'}, 922 { TS_BUSY, 'B'}, 923 { TS_ASLEEP, 'A'}, 924 { TS_XCLUDE, 'X'}, 925 { TS_TTSTOP, 'S'}, 926 { TS_TBLOCK, 'K'}, 927 { TS_ASYNC, 'Y'}, 928 { TS_BKSL, 'D'}, 929 { TS_ERASE, 'E'}, 930 { TS_LNCH, 'L'}, 931 { TS_TYPEN, 'P'}, 932 { TS_CNTTB, 'N'}, 933 { 0, '\0'}, 934}; 935 936void 937ttyprt(struct itty *tp) 938{ 939 char *name, state[20]; 940 int i, j; 941 942 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 943 (void)printf("%2d,%-3d ", major(tp->t_dev), minor(tp->t_dev)); 944 else 945 (void)printf("%7s ", name); 946 (void)printf("%3d %4d ", tp->t_rawq_c_cc, tp->t_canq_c_cc); 947 (void)printf("%4d %4d %3d %6d ", tp->t_outq_c_cc, 948 tp->t_hiwat, tp->t_lowat, tp->t_column); 949 for (i = j = 0; ttystates[i].flag; i++) 950 if (tp->t_state&ttystates[i].flag) 951 state[j++] = ttystates[i].val; 952 if (j == 0) 953 state[j++] = '-'; 954 state[j] = '\0'; 955 (void)printf("%-6s %8lx", state, (u_long)tp->t_session & 0xffffffff); 956 (void)printf("%6d ", tp->t_pgrp_pg_id); 957 switch (tp->t_line) { 958 case TTYDISC: 959 (void)printf("term\n"); 960 break; 961 case TABLDISC: 962 (void)printf("tab\n"); 963 break; 964 case SLIPDISC: 965 (void)printf("slip\n"); 966 break; 967 case PPPDISC: 968 (void)printf("ppp\n"); 969 break; 970 case STRIPDISC: 971 (void)printf("strip\n"); 972 break; 973 case NMEADISC: 974 (void)printf("nmea\n"); 975 break; 976 default: 977 (void)printf("%d\n", tp->t_line); 978 break; 979 } 980} 981 982void 983filemode(void) 984{ 985 struct kinfo_file2 *kf; 986 char flagbuf[16], *fbp; 987 static char *dtypes[] = { "???", "inode", "socket", "pipe", "kqueue", "crypto", "systrace" }; 988 int mib[2], maxfile, nfile; 989 size_t len; 990 991 globalnl = vnodenl; 992 993 if (nlistf == NULL && memf == NULL) { 994 mib[0] = CTL_KERN; 995 mib[1] = KERN_MAXFILES; 996 len = sizeof(maxfile); 997 if (sysctl(mib, 2, &maxfile, &len, NULL, 0) < 0) 998 err(1, "sysctl(KERN_MAXFILES) failed"); 999 if (totalflag) { 1000 mib[0] = CTL_KERN; 1001 mib[1] = KERN_NFILES; 1002 len = sizeof(nfile); 1003 if (sysctl(mib, 2, &nfile, &len, NULL, 0) < 0) 1004 err(1, "sysctl(KERN_NFILES) failed"); 1005 } 1006 } else { 1007 KGET(FNL_MAXFILE, maxfile); 1008 if (totalflag) { 1009 KGET(FNL_NFILE, nfile); 1010 (void)printf("%3d/%3d files\n", nfile, maxfile); 1011 return; 1012 } 1013 } 1014 1015 if (!totalflag) { 1016 kf = kvm_getfile2(kd, KERN_FILE_BYFILE, 0, sizeof *kf, &nfile); 1017 if (kf == NULL) { 1018 warnx("kvm_getfile2: %s", kvm_geterr(kd)); 1019 return; 1020 } 1021 } 1022 1023 (void)printf("%d/%d open files\n", nfile, maxfile); 1024 if (totalflag) 1025 return; 1026 1027 (void)printf("%*s TYPE FLG CNT MSG %*s OFFSET\n", 1028 2 * (int)sizeof(long), "LOC", 2 * (int)sizeof(long), "DATA"); 1029 for (; nfile-- > 0; kf++) { 1030 (void)printf("%0*llx ", 2 * (int)sizeof(long), kf->f_fileaddr); 1031 (void)printf("%-8.8s", dtypes[ 1032 (kf->f_type >= (sizeof(dtypes)/sizeof(dtypes[0]))) 1033 ? 0 : kf->f_type]); 1034 fbp = flagbuf; 1035 if (kf->f_flag & FREAD) 1036 *fbp++ = 'R'; 1037 if (kf->f_flag & FWRITE) 1038 *fbp++ = 'W'; 1039 if (kf->f_flag & FAPPEND) 1040 *fbp++ = 'A'; 1041 if (kf->f_flag & FHASLOCK) 1042 *fbp++ = 'L'; 1043 if (kf->f_flag & FASYNC) 1044 *fbp++ = 'I'; 1045 1046 if (kf->f_iflags & FIF_LARVAL) 1047 *fbp++ = 'l'; 1048 if (kf->f_iflags & FIF_MARK) 1049 *fbp++ = 'm'; 1050 if (kf->f_iflags & FIF_DEFER) 1051 *fbp++ = 'd'; 1052 1053 *fbp = '\0'; 1054 (void)printf("%6s %3ld", flagbuf, (long)kf->f_count); 1055 (void)printf(" %3ld", (long)kf->f_msgcount); 1056 (void)printf(" %0*lx", 2 * (int)sizeof(long), 1057 (long)kf->f_data); 1058 1059 if (kf->f_offset == (uint64_t)-1) 1060 (void)printf(" *\n"); 1061 else if (kf->f_offset > INT64_MAX) { 1062 /* would have been negative */ 1063 (void)printf(" %llx\n", (long long)kf->f_offset); 1064 } else 1065 (void)printf(" %lld\n", (long long)kf->f_offset); 1066 } 1067} 1068 1069/* 1070 * swapmode is based on a program called swapinfo written 1071 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 1072 */ 1073void 1074swapmode(void) 1075{ 1076 char *header; 1077 int hlen = 10, nswap; 1078 int bdiv, i, avail, nfree, npfree, used; 1079 long blocksize; 1080 struct swapent *swdev; 1081 1082 if (kflag) { 1083 header = "1K-blocks"; 1084 blocksize = 1024; 1085 hlen = strlen(header); 1086 } else 1087 header = getbsize(&hlen, &blocksize); 1088 1089 nswap = swapctl(SWAP_NSWAP, 0, 0); 1090 if (nswap == 0) { 1091 if (!totalflag) 1092 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1093 "Device", hlen, header, 1094 "Used", "Avail", "Capacity", "Priority"); 1095 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1096 "Total", hlen, 0, 0, 0, 0.0); 1097 return; 1098 } 1099 if ((swdev = calloc(nswap, sizeof(*swdev))) == NULL) 1100 err(1, "malloc"); 1101 if (swapctl(SWAP_STATS, swdev, nswap) == -1) 1102 err(1, "swapctl"); 1103 1104 if (!totalflag) 1105 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1106 "Device", hlen, header, 1107 "Used", "Avail", "Capacity", "Priority"); 1108 1109 /* Run through swap list, doing the funky monkey. */ 1110 bdiv = blocksize / DEV_BSIZE; 1111 avail = nfree = npfree = 0; 1112 for (i = 0; i < nswap; i++) { 1113 int xsize, xfree; 1114 1115 if (!(swdev[i].se_flags & SWF_ENABLE)) 1116 continue; 1117 1118 if (!totalflag) { 1119 if (usenumflag) 1120 (void)printf("%2d,%-2d %*d ", 1121 major(swdev[i].se_dev), 1122 minor(swdev[i].se_dev), 1123 hlen, swdev[i].se_nblks / bdiv); 1124 else 1125 (void)printf("%-11s %*d ", swdev[i].se_path, 1126 hlen, swdev[i].se_nblks / bdiv); 1127 } 1128 1129 xsize = swdev[i].se_nblks; 1130 used = swdev[i].se_inuse; 1131 xfree = xsize - used; 1132 nfree += (xsize - used); 1133 npfree++; 1134 avail += xsize; 1135 if (totalflag) 1136 continue; 1137 (void)printf("%8d %8d %5.0f%% %d\n", 1138 used / bdiv, xfree / bdiv, 1139 (double)used / (double)xsize * 100.0, 1140 swdev[i].se_priority); 1141 } 1142 free(swdev); 1143 1144 /* 1145 * If only one partition has been set up via swapon(8), we don't 1146 * need to bother with totals. 1147 */ 1148 used = avail - nfree; 1149 if (totalflag) { 1150 (void)printf("%dM/%dM swap space\n", 1151 used / (1048576 / DEV_BSIZE), 1152 avail / (1048576 / DEV_BSIZE)); 1153 return; 1154 } 1155 if (npfree > 1) { 1156 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1157 "Total", hlen, avail / bdiv, used / bdiv, nfree / bdiv, 1158 (double)used / (double)avail * 100.0); 1159 } 1160} 1161 1162void 1163usage(void) 1164{ 1165 (void)fprintf(stderr, "usage: " 1166 "pstat [-fknsTtv] [-d format] [-M core] [-N system] [symbols]\n"); 1167 exit(1); 1168} 1169