1 /* $NetBSD: pstat.c,v 1.51 2000/04/14 06:26:54 simonb Exp $ */ 2 3 /*- 4 * Copyright (c) 1980, 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1980, 1991, 1993, 1994\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)pstat.c 8.16 (Berkeley) 5/9/95"; 45 #else 46 __RCSID("$NetBSD: pstat.c,v 1.51 2000/04/14 06:26:54 simonb Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/time.h> 52 #include <sys/vnode.h> 53 #include <sys/map.h> 54 #include <sys/ucred.h> 55 #define _KERNEL 56 #define _LKM 57 #include <sys/file.h> 58 #include <ufs/ufs/quota.h> 59 #include <ufs/ufs/inode.h> 60 #define NFS 61 #include <sys/mount.h> 62 #undef NFS 63 #include <sys/uio.h> 64 #include <sys/namei.h> 65 #include <miscfs/union/union.h> 66 #undef _KERNEL 67 #include <sys/stat.h> 68 #include <nfs/nfsproto.h> 69 #include <nfs/rpcv2.h> 70 #include <nfs/nfs.h> 71 #include <nfs/nfsnode.h> 72 #include <sys/ioctl.h> 73 #include <sys/tty.h> 74 #include <sys/conf.h> 75 #include <sys/device.h> 76 77 #include <sys/sysctl.h> 78 79 #include <err.h> 80 #include <kvm.h> 81 #include <limits.h> 82 #include <nlist.h> 83 #include <stdio.h> 84 #include <stdlib.h> 85 #include <string.h> 86 #include <unistd.h> 87 88 #include "swapctl.h" 89 90 struct nlist nl[] = { 91 #define V_MOUNTLIST 0 92 { "_mountlist" }, /* address of head of mount list. */ 93 #define V_NUMV 1 94 { "_numvnodes" }, 95 #define FNL_NFILE 2 96 { "_nfiles" }, 97 #define FNL_MAXFILE 3 98 { "_maxfiles" }, 99 #define TTY_NTTY 4 100 { "_tty_count" }, 101 #define TTY_TTYLIST 5 102 { "_ttylist" }, 103 #define NLMANDATORY TTY_TTYLIST /* names up to here are mandatory */ 104 { "" } 105 }; 106 107 int usenumflag; 108 int totalflag; 109 int kflag; 110 char *nlistf = NULL; 111 char *memf = NULL; 112 kvm_t *kd; 113 114 struct { 115 int m_flag; 116 const char *m_name; 117 } mnt_flags[] = { 118 { MNT_RDONLY, "rdonly" }, 119 { MNT_SYNCHRONOUS, "sync" }, 120 { MNT_NOEXEC, "noexec" }, 121 { MNT_NOSUID, "nosuid" }, 122 { MNT_NODEV, "nodev" }, 123 { MNT_UNION, "union" }, 124 { MNT_ASYNC, "async" }, 125 { MNT_NOCOREDUMP, "nocoredump" }, 126 { MNT_NOATIME, "noatime" }, 127 { MNT_SYMPERM, "symperm" }, 128 { MNT_NODEVMTIME, "nodevmtime" }, 129 { MNT_SOFTDEP, "softdep" }, 130 { MNT_EXRDONLY, "exrdonly" }, 131 { MNT_EXPORTED, "exported" }, 132 { MNT_DEFEXPORTED, "defexported" }, 133 { MNT_EXPORTANON, "exportanon" }, 134 { MNT_EXKERB, "exkerb" }, 135 { MNT_EXNORESPORT, "exnoresport" }, 136 { MNT_EXPUBLIC, "expublic" }, 137 { MNT_LOCAL, "local" }, 138 { MNT_QUOTA, "quota" }, 139 { MNT_ROOTFS, "rootfs" }, 140 { MNT_UPDATE, "update" }, 141 { MNT_DELEXPORT, "delexport" }, 142 { MNT_RELOAD, "reload" }, 143 { MNT_FORCE, "force" }, 144 { MNT_GONE, "gone" }, 145 { MNT_UNMOUNT, "unmount" }, 146 { MNT_WANTRDWR, "wantrdwr" }, 147 { 0 } 148 }; 149 150 #define SVAR(var) __STRING(var) /* to force expansion */ 151 #define KGET(idx, var) \ 152 KGET1(idx, &var, sizeof(var), SVAR(var)) 153 #define KGET1(idx, p, s, msg) \ 154 KGET2(nl[idx].n_value, p, s, msg) 155 #define KGET2(addr, p, s, msg) \ 156 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 157 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 158 #define KGETRET(addr, p, s, msg) \ 159 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 160 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 161 return (0); \ 162 } 163 164 void filemode __P((void)); 165 int getfiles __P((char **, int *)); 166 struct mount * 167 getmnt __P((struct mount *)); 168 struct e_vnode * 169 kinfo_vnodes __P((int *)); 170 struct e_vnode * 171 loadvnodes __P((int *)); 172 int main __P((int, char **)); 173 void mount_print __P((struct mount *)); 174 void nfs_header __P((void)); 175 int nfs_print __P((struct vnode *)); 176 void ttymode __P((void)); 177 void ttyprt __P((struct tty *)); 178 void ufs_getflags __P((struct vnode *, struct inode *, char *)); 179 void ufs_header __P((void)); 180 int ufs_print __P((struct vnode *)); 181 int ext2fs_print __P((struct vnode *)); 182 void union_header __P((void)); 183 int union_print __P((struct vnode *)); 184 void usage __P((void)); 185 void vnode_header __P((void)); 186 void vnode_print __P((struct vnode *, struct vnode *)); 187 void vnodemode __P((void)); 188 189 int 190 main(argc, argv) 191 int argc; 192 char *argv[]; 193 { 194 int ch, i, quit, ret; 195 int fileflag, swapflag, ttyflag, vnodeflag; 196 gid_t egid = getegid(); 197 char buf[_POSIX2_LINE_MAX]; 198 199 setegid(getgid()); 200 fileflag = swapflag = ttyflag = vnodeflag = 0; 201 while ((ch = getopt(argc, argv, "TM:N:fiknstv")) != -1) 202 switch (ch) { 203 case 'f': 204 fileflag = 1; 205 break; 206 case 'M': 207 memf = optarg; 208 break; 209 case 'N': 210 nlistf = optarg; 211 break; 212 case 'n': 213 usenumflag = 1; 214 break; 215 case 's': 216 swapflag = 1; 217 break; 218 case 'T': 219 totalflag = 1; 220 break; 221 case 't': 222 ttyflag = 1; 223 break; 224 case 'k': 225 kflag = 1; 226 break; 227 case 'v': 228 case 'i': /* Backward compatibility. */ 229 vnodeflag = 1; 230 break; 231 default: 232 usage(); 233 } 234 argc -= optind; 235 argv += optind; 236 237 /* 238 * Discard setgid privileges. If not the running kernel, we toss 239 * them away totally so that bad guys can't print interesting stuff 240 * from kernel memory, otherwise switch back to kmem for the 241 * duration of the kvm_openfiles() call. 242 */ 243 if (nlistf != NULL || memf != NULL) 244 (void)setgid(getgid()); 245 else 246 (void)setegid(egid); 247 248 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 249 errx(1, "kvm_openfiles: %s", buf); 250 251 /* get rid of it now anyway */ 252 if (nlistf == NULL && memf == NULL) 253 (void)setgid(getgid()); 254 if ((ret = kvm_nlist(kd, nl)) != 0) { 255 if (ret == -1) 256 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 257 for (i = quit = 0; i <= NLMANDATORY; i++) 258 if (!nl[i].n_value) { 259 quit = 1; 260 warnx("undefined symbol: %s", nl[i].n_name); 261 } 262 if (quit) 263 exit(1); 264 } 265 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 266 usage(); 267 if (fileflag || totalflag) 268 filemode(); 269 if (vnodeflag || totalflag) 270 vnodemode(); 271 if (ttyflag) 272 ttymode(); 273 if (swapflag || totalflag) 274 list_swap(0, kflag, 0, totalflag, 1); 275 exit (0); 276 } 277 278 struct e_vnode { 279 struct vnode *avnode; 280 struct vnode vnode; 281 }; 282 283 void 284 vnodemode() 285 { 286 struct e_vnode *e_vnodebase, *endvnode, *evp; 287 struct vnode *vp; 288 struct mount *maddr, *mp; 289 int numvnodes; 290 int (*vnode_fsprint) __P((struct vnode *)); /* per-fs data printer */ 291 292 mp = NULL; 293 e_vnodebase = loadvnodes(&numvnodes); 294 if (totalflag) { 295 (void)printf("%7d vnodes\n", numvnodes); 296 return; 297 } 298 endvnode = e_vnodebase + numvnodes; 299 (void)printf("%d active vnodes\n", numvnodes); 300 301 #define ST mp->mnt_stat 302 #define FSTYPE_IS(mp, name) \ 303 (strncmp((mp)->mnt_stat.f_fstypename, (name), MFSNAMELEN) == 0) 304 maddr = NULL; 305 vnode_fsprint = NULL; 306 for (evp = e_vnodebase; evp < endvnode; evp++) { 307 vp = &evp->vnode; 308 if (vp->v_mount != maddr) { 309 /* 310 * New filesystem 311 */ 312 if ((mp = getmnt(vp->v_mount)) == NULL) 313 continue; 314 maddr = vp->v_mount; 315 mount_print(mp); 316 vnode_header(); 317 if (FSTYPE_IS(mp, MOUNT_FFS) || 318 FSTYPE_IS(mp, MOUNT_MFS)) { 319 ufs_header(); 320 vnode_fsprint = ufs_print; 321 } else if (FSTYPE_IS(mp, MOUNT_NFS)) { 322 nfs_header(); 323 vnode_fsprint = nfs_print; 324 } else if (FSTYPE_IS(mp, MOUNT_EXT2FS)) { 325 ufs_header(); 326 vnode_fsprint = ext2fs_print; 327 } else if (FSTYPE_IS(mp, MOUNT_UNION)) { 328 union_header(); 329 vnode_fsprint = union_print; 330 } else 331 vnode_fsprint = NULL; 332 (void)printf("\n"); 333 } 334 vnode_print(evp->avnode, vp); 335 if (VTOI(vp) != NULL && vnode_fsprint != NULL) 336 (*vnode_fsprint)(vp); 337 (void)printf("\n"); 338 } 339 free(e_vnodebase); 340 } 341 342 void 343 vnode_header() 344 { 345 346 (void)printf("ADDR TYP VFLAG USE HOLD TAG"); 347 } 348 349 void 350 vnode_print(avnode, vp) 351 struct vnode *avnode; 352 struct vnode *vp; 353 { 354 char *type, flags[16]; 355 char *fp = flags; 356 int flag; 357 358 /* 359 * set type 360 */ 361 switch (vp->v_type) { 362 case VNON: 363 type = "non"; break; 364 case VREG: 365 type = "reg"; break; 366 case VDIR: 367 type = "dir"; break; 368 case VBLK: 369 type = "blk"; break; 370 case VCHR: 371 type = "chr"; break; 372 case VLNK: 373 type = "lnk"; break; 374 case VSOCK: 375 type = "soc"; break; 376 case VFIFO: 377 type = "fif"; break; 378 case VBAD: 379 type = "bad"; break; 380 default: 381 type = "unk"; break; 382 } 383 /* 384 * gather flags 385 */ 386 flag = vp->v_flag; 387 if (flag & VROOT) 388 *fp++ = 'R'; 389 if (flag & VTEXT) 390 *fp++ = 'T'; 391 if (flag & VSYSTEM) 392 *fp++ = 'S'; 393 if (flag & VISTTY) 394 *fp++ = 'I'; 395 if (flag & VXLOCK) 396 *fp++ = 'L'; 397 if (flag & VXWANT) 398 *fp++ = 'W'; 399 if (flag & VBWAIT) 400 *fp++ = 'B'; 401 if (flag & VALIASED) 402 *fp++ = 'A'; 403 if (flag & VDIROP) 404 *fp++ = 'D'; 405 if (flag & VLAYER) 406 *fp++ = 'Y'; 407 if (flag & VONWORKLST) 408 *fp++ = 'O'; 409 if (flag == 0) 410 *fp++ = '-'; 411 *fp = '\0'; 412 (void)printf("%8lx %s %5s %4ld %4ld %3d", 413 (long)avnode, type, flags, (long)vp->v_usecount, 414 (long)vp->v_holdcnt, vp->v_tag); 415 } 416 417 void 418 ufs_getflags(vp, ip, flags) 419 struct vnode *vp; 420 struct inode *ip; 421 char *flags; 422 { 423 int flag; 424 425 /* 426 * XXX need to to locking state. 427 */ 428 429 flag = ip->i_flag; 430 if (flag & IN_RENAME) 431 *flags++ = 'R'; 432 if (flag & IN_UPDATE) 433 *flags++ = 'U'; 434 if (flag & IN_ACCESS) 435 *flags++ = 'A'; 436 if (flag & IN_CHANGE) 437 *flags++ = 'C'; 438 if (flag & IN_MODIFIED) 439 *flags++ = 'M'; 440 if (flag & IN_SHLOCK) 441 *flags++ = 'S'; 442 if (flag & IN_EXLOCK) 443 *flags++ = 'E'; 444 if (flag == 0) 445 *flags++ = '-'; 446 *flags = '\0'; 447 448 } 449 450 void 451 ufs_header() 452 { 453 454 (void)printf(" FILEID IFLAG RDEV|SZ"); 455 } 456 457 int 458 ufs_print(vp) 459 struct vnode *vp; 460 { 461 struct inode inode, *ip = &inode; 462 char flagbuf[16]; 463 char *name; 464 mode_t type; 465 466 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 467 ufs_getflags(vp, ip, flagbuf); 468 (void)printf(" %6d %5s", ip->i_number, flagbuf); 469 type = ip->i_ffs_mode & S_IFMT; 470 if (S_ISCHR(ip->i_ffs_mode) || S_ISBLK(ip->i_ffs_mode)) 471 if (usenumflag || 472 ((name = devname(ip->i_ffs_rdev, type)) == NULL)) 473 (void)printf(" %2d,%-2d", 474 major(ip->i_ffs_rdev), minor(ip->i_ffs_rdev)); 475 else 476 (void)printf(" %7s", name); 477 else 478 (void)printf(" %7qd", (long long)ip->i_ffs_size); 479 return (0); 480 } 481 482 int 483 ext2fs_print(vp) 484 struct vnode *vp; 485 { 486 struct inode inode, *ip = &inode; 487 char flagbuf[16]; 488 char *name; 489 mode_t type; 490 491 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 492 ufs_getflags(vp, ip, flagbuf); 493 (void)printf(" %6d %5s", ip->i_number, flagbuf); 494 type = ip->i_e2fs_mode & S_IFMT; 495 if (S_ISCHR(ip->i_e2fs_mode) || S_ISBLK(ip->i_e2fs_mode)) 496 if (usenumflag || 497 ((name = devname(ip->i_e2fs_rdev, type)) == NULL)) 498 (void)printf(" %2d,%-2d", 499 major(ip->i_e2fs_rdev), minor(ip->i_e2fs_rdev)); 500 else 501 (void)printf(" %7s", name); 502 else 503 (void)printf(" %7u", (u_int)ip->i_e2fs_size); 504 return (0); 505 } 506 507 void 508 nfs_header() 509 { 510 511 (void)printf(" FILEID NFLAG RDEV|SZ"); 512 } 513 514 int 515 nfs_print(vp) 516 struct vnode *vp; 517 { 518 struct nfsnode nfsnode, *np = &nfsnode; 519 char flagbuf[16], *flags = flagbuf; 520 int flag; 521 struct vattr va; 522 char *name; 523 mode_t type; 524 525 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 526 flag = np->n_flag; 527 if (flag & NFLUSHWANT) 528 *flags++ = 'W'; 529 if (flag & NFLUSHINPROG) 530 *flags++ = 'P'; 531 if (flag & NMODIFIED) 532 *flags++ = 'M'; 533 if (flag & NWRITEERR) 534 *flags++ = 'E'; 535 if (flag & NQNFSNONCACHE) 536 *flags++ = 'X'; 537 if (flag & NQNFSWRITE) 538 *flags++ = 'O'; 539 if (flag & NQNFSEVICTED) 540 *flags++ = 'G'; 541 if (flag == 0) 542 *flags++ = '-'; 543 *flags = '\0'; 544 545 KGETRET(np->n_vattr, &va, sizeof(va), "vnode attr"); 546 (void)printf(" %6ld %5s", (long)va.va_fileid, flagbuf); 547 type = va.va_mode & S_IFMT; 548 if (S_ISCHR(va.va_mode) || S_ISBLK(va.va_mode)) 549 if (usenumflag || ((name = devname(va.va_rdev, type)) == NULL)) 550 (void)printf(" %2d,%-2d", 551 major(va.va_rdev), minor(va.va_rdev)); 552 else 553 (void)printf(" %7s", name); 554 else 555 (void)printf(" %7qd", (long long)np->n_size); 556 return (0); 557 } 558 559 void 560 union_header() 561 { 562 563 (void)printf(" UPPER LOWER"); 564 } 565 566 int 567 union_print(vp) 568 struct vnode *vp; 569 { 570 struct union_node unode, *up = &unode; 571 572 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 573 574 (void)printf(" %8lx %8lx", (long)up->un_uppervp, (long)up->un_lowervp); 575 return (0); 576 } 577 578 /* 579 * Given a pointer to a mount structure in kernel space, 580 * read it in and return a usable pointer to it. 581 */ 582 struct mount * 583 getmnt(maddr) 584 struct mount *maddr; 585 { 586 static struct mtab { 587 struct mtab *next; 588 struct mount *maddr; 589 struct mount mount; 590 } *mhead = NULL; 591 struct mtab *mt; 592 593 for (mt = mhead; mt != NULL; mt = mt->next) 594 if (maddr == mt->maddr) 595 return (&mt->mount); 596 if ((mt = malloc(sizeof(struct mtab))) == NULL) 597 err(1, "malloc"); 598 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 599 mt->maddr = maddr; 600 mt->next = mhead; 601 mhead = mt; 602 return (&mt->mount); 603 } 604 605 void 606 mount_print(mp) 607 struct mount *mp; 608 { 609 int flags; 610 611 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 612 ST.f_mntfromname, ST.f_mntonname); 613 if ((flags = mp->mnt_flag) != 0) { 614 int i; 615 const char *sep = " ("; 616 617 for (i = 0; mnt_flags[i].m_flag; i++) { 618 if (flags & mnt_flags[i].m_flag) { 619 (void)printf("%s%s", sep, mnt_flags[i].m_name); 620 flags &= ~mnt_flags[i].m_flag; 621 sep = ","; 622 } 623 } 624 if (flags) 625 (void)printf("%sunknown_flags:%x", sep, flags); 626 (void)printf(")"); 627 } 628 (void)printf("\n"); 629 } 630 631 struct e_vnode * 632 loadvnodes(avnodes) 633 int *avnodes; 634 { 635 int mib[2]; 636 size_t copysize; 637 struct e_vnode *vnodebase; 638 639 if (memf != NULL) { 640 /* 641 * do it by hand 642 */ 643 return (kinfo_vnodes(avnodes)); 644 } 645 mib[0] = CTL_KERN; 646 mib[1] = KERN_VNODE; 647 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 648 err(1, "sysctl: KERN_VNODE"); 649 if ((vnodebase = malloc(copysize)) == NULL) 650 err(1, "malloc"); 651 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 652 err(1, "sysctl: KERN_VNODE"); 653 if (copysize % sizeof(struct e_vnode)) 654 errx(1, "vnode size mismatch"); 655 *avnodes = copysize / sizeof(struct e_vnode); 656 657 return (vnodebase); 658 } 659 660 /* 661 * simulate what a running kernel does in in kinfo_vnode 662 */ 663 struct e_vnode * 664 kinfo_vnodes(avnodes) 665 int *avnodes; 666 { 667 struct mntlist mountlist; 668 struct mount *mp, mount; 669 struct vnode *vp, vnode; 670 char *vbuf, *evbuf, *bp; 671 int num, numvnodes; 672 673 #define VPTRSZ sizeof(struct vnode *) 674 #define VNODESZ sizeof(struct vnode) 675 676 KGET(V_NUMV, numvnodes); 677 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 678 err(1, "malloc"); 679 bp = vbuf; 680 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 681 KGET(V_MOUNTLIST, mountlist); 682 for (num = 0, mp = mountlist.cqh_first;; 683 mp = mount.mnt_list.cqe_next) { 684 KGET2(mp, &mount, sizeof(mount), "mount entry"); 685 for (vp = mount.mnt_vnodelist.lh_first; 686 vp != NULL; vp = vnode.v_mntvnodes.le_next) { 687 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 688 if ((bp + VPTRSZ + VNODESZ) > evbuf) 689 /* XXX - should realloc */ 690 errx(1, "no more room for vnodes"); 691 memmove(bp, &vp, VPTRSZ); 692 bp += VPTRSZ; 693 memmove(bp, &vnode, VNODESZ); 694 bp += VNODESZ; 695 num++; 696 } 697 if (mp == mountlist.cqh_last) 698 break; 699 } 700 *avnodes = num; 701 return ((struct e_vnode *)vbuf); 702 } 703 704 char hdr[]=" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 705 int ttyspace = 128; 706 707 void 708 ttymode() 709 { 710 int ntty; 711 struct ttylist_head tty_head; 712 struct tty *tp, tty; 713 714 KGET(TTY_NTTY, ntty); 715 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 716 KGET(TTY_TTYLIST, tty_head); 717 (void)printf(hdr); 718 for (tp = tty_head.tqh_first; tp; tp = tty.tty_link.tqe_next) { 719 KGET2(tp, &tty, sizeof tty, "tty struct"); 720 ttyprt(&tty); 721 } 722 } 723 724 struct { 725 int flag; 726 char val; 727 } ttystates[] = { 728 { TS_ISOPEN, 'O'}, 729 { TS_DIALOUT, '>'}, 730 { TS_CARR_ON, 'C'}, 731 { TS_TIMEOUT, 'T'}, 732 { TS_FLUSH, 'F'}, 733 { TS_BUSY, 'B'}, 734 { TS_ASLEEP, 'A'}, 735 { TS_XCLUDE, 'X'}, 736 { TS_TTSTOP, 'S'}, 737 { TS_TBLOCK, 'K'}, 738 { TS_ASYNC, 'Y'}, 739 { TS_BKSL, 'D'}, 740 { TS_ERASE, 'E'}, 741 { TS_LNCH, 'L'}, 742 { TS_TYPEN, 'P'}, 743 { TS_CNTTB, 'N'}, 744 { 0, '\0'}, 745 }; 746 747 void 748 ttyprt(tp) 749 struct tty *tp; 750 { 751 int i, j; 752 pid_t pgid; 753 char *name, state[20]; 754 755 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 756 (void)printf("0x%3x:%1x ", major(tp->t_dev), minor(tp->t_dev)); 757 else 758 (void)printf("%-7s ", name); 759 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 760 (void)printf("%3d %4d %3d %7d ", tp->t_outq.c_cc, 761 tp->t_hiwat, tp->t_lowat, tp->t_column); 762 for (i = j = 0; ttystates[i].flag; i++) 763 if (tp->t_state&ttystates[i].flag) 764 state[j++] = ttystates[i].val; 765 if (tp->t_wopen) 766 state[j++] = 'W'; 767 if (j == 0) 768 state[j++] = '-'; 769 state[j] = '\0'; 770 (void)printf("%-6s %8lX", state, (u_long)tp->t_session); 771 pgid = 0; 772 if (tp->t_pgrp != NULL) 773 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 774 (void)printf("%6d ", pgid); 775 switch (tp->t_line) { 776 case TTYDISC: 777 (void)printf("term\n"); 778 break; 779 case TABLDISC: 780 (void)printf("tab\n"); 781 break; 782 case SLIPDISC: 783 (void)printf("slip\n"); 784 break; 785 case PPPDISC: 786 (void)printf("ppp\n"); 787 break; 788 case STRIPDISC: 789 (void)printf("strip\n"); 790 break; 791 default: 792 (void)printf("%d\n", tp->t_line); 793 break; 794 } 795 } 796 797 void 798 filemode() 799 { 800 struct file *fp; 801 struct file *addr; 802 char *buf, flagbuf[16], *fbp; 803 int len, maxfile, nfile; 804 static char *dtypes[] = { "???", "inode", "socket" }; 805 806 KGET(FNL_MAXFILE, maxfile); 807 if (totalflag) { 808 KGET(FNL_NFILE, nfile); 809 (void)printf("%3d/%3d files\n", nfile, maxfile); 810 return; 811 } 812 if (getfiles(&buf, &len) == -1) 813 return; 814 /* 815 * Getfiles returns in malloc'd memory a pointer to the first file 816 * structure, and then an array of file structs (whose addresses are 817 * derivable from the previous entry). 818 */ 819 addr = ((struct filelist *)buf)->lh_first; 820 fp = (struct file *)(buf + sizeof(struct filelist)); 821 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 822 823 (void)printf("%d/%d open files\n", nfile, maxfile); 824 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 825 for (; (char *)fp < buf + len; addr = fp->f_list.le_next, fp++) { 826 if ((unsigned)fp->f_type > DTYPE_SOCKET) 827 continue; 828 (void)printf("%lx ", (long)addr); 829 (void)printf("%-8.8s", dtypes[fp->f_type]); 830 fbp = flagbuf; 831 if (fp->f_flag & FREAD) 832 *fbp++ = 'R'; 833 if (fp->f_flag & FWRITE) 834 *fbp++ = 'W'; 835 if (fp->f_flag & FAPPEND) 836 *fbp++ = 'A'; 837 #ifdef FSHLOCK /* currently gone */ 838 if (fp->f_flag & FSHLOCK) 839 *fbp++ = 'S'; 840 if (fp->f_flag & FEXLOCK) 841 *fbp++ = 'X'; 842 #endif 843 if (fp->f_flag & FASYNC) 844 *fbp++ = 'I'; 845 *fbp = '\0'; 846 (void)printf("%6s %3d", flagbuf, fp->f_count); 847 (void)printf(" %3d", fp->f_msgcount); 848 (void)printf(" %8.1lx", (long)fp->f_data); 849 if (fp->f_offset < 0) 850 (void)printf(" %qx\n", (long long)fp->f_offset); 851 else 852 (void)printf(" %qd\n", (long long)fp->f_offset); 853 } 854 free(buf); 855 } 856 857 int 858 getfiles(abuf, alen) 859 char **abuf; 860 int *alen; 861 { 862 size_t len; 863 int mib[2]; 864 char *buf; 865 866 /* 867 * XXX 868 * Add emulation of KINFO_FILE here. 869 */ 870 if (memf != NULL) 871 errx(1, "files on dead kernel, not implemented\n"); 872 873 mib[0] = CTL_KERN; 874 mib[1] = KERN_FILE; 875 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 876 warn("sysctl: KERN_FILE"); 877 return (-1); 878 } 879 if ((buf = malloc(len)) == NULL) 880 err(1, "malloc"); 881 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 882 warn("sysctl: KERN_FILE"); 883 return (-1); 884 } 885 *abuf = buf; 886 *alen = len; 887 return (0); 888 } 889 890 void 891 usage() 892 { 893 894 (void)fprintf(stderr, 895 "usage: pstat [-T|-f|-s|-t|-v] [-kn] [-M core] [-N system]\n"); 896 exit(1); 897 } 898