pstat.c revision 95615
1/*- 2 * Copyright (c) 1980, 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35static const char copyright[] = 36"@(#) Copyright (c) 1980, 1991, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38#endif /* not lint */ 39 40#ifndef lint 41#if 0 42static char sccsid[] = "@(#)pstat.c 8.16 (Berkeley) 5/9/95"; 43#endif 44static const char rcsid[] = 45 "$FreeBSD: head/usr.sbin/pstat/pstat.c 95615 2002-04-28 10:24:38Z iedowse $"; 46#endif /* not lint */ 47 48#include <sys/param.h> 49#include <sys/time.h> 50#include <sys/vnode.h> 51#include <sys/ucred.h> 52#define _KERNEL 53#include <sys/file.h> 54#include <ufs/ufs/quota.h> 55#include <ufs/ufs/inode.h> 56#include <sys/mount.h> 57#include <sys/uio.h> 58#include <sys/namei.h> 59#include <fs/unionfs/union.h> 60#undef _KERNEL 61#include <sys/stat.h> 62#include <nfs/rpcv2.h> 63#include <nfs/nfsproto.h> 64#include <nfsclient/nfs.h> 65#include <nfsclient/nfsnode.h> 66#include <sys/ioctl.h> 67#include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */ 68#include <sys/tty.h> 69#include <sys/conf.h> 70#include <sys/blist.h> 71 72#include <sys/user.h> 73#include <sys/sysctl.h> 74 75#include <err.h> 76#include <fcntl.h> 77#include <kvm.h> 78#include <limits.h> 79#include <nlist.h> 80#include <stdio.h> 81#include <stdlib.h> 82#include <string.h> 83#include <unistd.h> 84 85struct nlist nl[] = { 86#define NLMANDATORYBEG 0 87#define V_MOUNTLIST 0 88 { "_mountlist" }, /* address of head of mount list. */ 89#define V_NUMV 1 90 { "_numvnodes" }, 91#define FNL_NFILE 2 92 {"_nfiles"}, 93#define FNL_MAXFILE 3 94 {"_maxfiles"}, 95#define NLMANDATORYEND FNL_MAXFILE /* names up to here are mandatory */ 96#define SCONS NLMANDATORYEND + 1 97 { "_cons" }, 98#define SPTY NLMANDATORYEND + 2 99 { "_pt_tty" }, 100#define SNPTY NLMANDATORYEND + 3 101 { "_npty" }, 102 103 104 105#ifdef __FreeBSD__ 106#define SCCONS (SNPTY+1) 107 { "_sccons" }, 108#define NSCCONS (SNPTY+2) 109 { "_nsccons" }, 110#define SIO (SNPTY+3) 111 { "_sio_tty" }, 112#define NSIO (SNPTY+4) 113 { "_nsio_tty" }, 114#define RC (SNPTY+5) 115 { "_rc_tty" }, 116#define NRC (SNPTY+6) 117 { "_nrc_tty" }, 118#define CY (SNPTY+7) 119 { "_cy_tty" }, 120#define NCY (SNPTY+8) 121 { "_ncy_tty" }, 122#define SI (SNPTY+9) 123 { "_si_tty" }, 124#define NSI (SNPTY+10) 125 { "_si_Nports" }, 126#endif 127 { "" } 128}; 129 130int usenumflag; 131int totalflag; 132int swapflag; 133char *nlistf = NULL; 134char *memf = NULL; 135kvm_t *kd; 136 137char *usagestr; 138 139struct { 140 int m_flag; 141 const char *m_name; 142} mnt_flags[] = { 143 { MNT_RDONLY, "rdonly" }, 144 { MNT_SYNCHRONOUS, "sync" }, 145 { MNT_NOEXEC, "noexec" }, 146 { MNT_NOSUID, "nosuid" }, 147 { MNT_NODEV, "nodev" }, 148 { MNT_UNION, "union" }, 149 { MNT_ASYNC, "async" }, 150 { MNT_SUIDDIR, "suiddir" }, 151 { MNT_SOFTDEP, "softdep" }, 152 { MNT_NOSYMFOLLOW, "nosymfollow" }, 153 { MNT_NOATIME, "noatime" }, 154 { MNT_NOCLUSTERR, "noclusterread" }, 155 { MNT_NOCLUSTERW, "noclusterwrite" }, 156 { MNT_EXRDONLY, "exrdonly" }, 157 { MNT_EXPORTED, "exported" }, 158 { MNT_DEFEXPORTED, "defexported" }, 159 { MNT_EXPORTANON, "exportanon" }, 160 { MNT_EXKERB, "exkerb" }, 161 { MNT_EXPUBLIC, "public" }, 162 { MNT_LOCAL, "local" }, 163 { MNT_QUOTA, "quota" }, 164 { MNT_ROOTFS, "rootfs" }, 165 { MNT_USER, "user" }, 166 { MNT_IGNORE, "ignore" }, 167 { MNT_UPDATE, "update" }, 168 { MNT_DELEXPORT, "delexport" }, 169 { MNT_RELOAD, "reload" }, 170 { MNT_FORCE, "force" }, 171 { MNT_SNAPSHOT, "snapshot" }, 172 { 0 } 173}; 174 175 176#define SVAR(var) __STRING(var) /* to force expansion */ 177#define KGET(idx, var) \ 178 KGET1(idx, &var, sizeof(var), SVAR(var)) 179#define KGET1(idx, p, s, msg) \ 180 KGET2(nl[idx].n_value, p, s, msg) 181#define KGET2(addr, p, s, msg) \ 182 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 183 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 184#define KGETN(idx, var) \ 185 KGET1N(idx, &var, sizeof(var), SVAR(var)) 186#define KGET1N(idx, p, s, msg) \ 187 KGET2N(nl[idx].n_value, p, s, msg) 188#define KGET2N(addr, p, s, msg) \ 189 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 190#define KGETRET(addr, p, s, msg) \ 191 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 192 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 193 return (0); \ 194 } 195 196void filemode __P((void)); 197int getfiles __P((char **, int *)); 198struct mount * 199 getmnt __P((struct mount *)); 200struct e_vnode * 201 kinfo_vnodes __P((int *)); 202struct e_vnode * 203 loadvnodes __P((int *)); 204void mount_print __P((struct mount *)); 205void nfs_header __P((void)); 206int nfs_print __P((struct vnode *)); 207void swapmode __P((void)); 208void ttymode __P((void)); 209void ttyprt __P((struct tty *, int)); 210void ttytype __P((struct tty *, char *, int, int, int)); 211void ufs_header __P((void)); 212int ufs_print __P((struct vnode *)); 213void union_header __P((void)); 214int union_print __P((struct vnode *)); 215static void usage __P((void)); 216void vnode_header __P((void)); 217void vnode_print __P((struct vnode *, struct vnode *)); 218void vnodemode __P((void)); 219 220int 221main(argc, argv) 222 int argc; 223 char *argv[]; 224{ 225 int ch, i, quit, ret; 226 int fileflag, ttyflag, vnodeflag; 227 char buf[_POSIX2_LINE_MAX],*opts; 228 229 fileflag = swapflag = ttyflag = vnodeflag = 0; 230 231 /* We will behave like good old swapinfo if thus invoked */ 232 opts = strrchr(argv[0],'/'); 233 if (opts) 234 opts++; 235 else 236 opts = argv[0]; 237 if (!strcmp(opts,"swapinfo")) { 238 swapflag = 1; 239 opts = "kM:N:"; 240 usagestr = "swapinfo [-k] [-M core] [-N system]"; 241 } else { 242 opts = "TM:N:fiknstv"; 243 usagestr = "pstat [-Tfknstv] [-M core] [-N system]"; 244 } 245 246 while ((ch = getopt(argc, argv, opts)) != -1) 247 switch (ch) { 248 case 'f': 249 fileflag = 1; 250 break; 251 case 'k': 252 putenv("BLOCKSIZE=1K"); 253 break; 254 case 'M': 255 memf = optarg; 256 break; 257 case 'N': 258 nlistf = optarg; 259 break; 260 case 'n': 261 usenumflag = 1; 262 break; 263 case 's': 264 ++swapflag; 265 break; 266 case 'T': 267 totalflag = 1; 268 break; 269 case 't': 270 ttyflag = 1; 271 break; 272 case 'v': 273 case 'i': /* Backward compatibility. */ 274 errx(1, "vnode mode not supported"); 275#if 0 276 vnodeflag = 1; 277 break; 278#endif 279 default: 280 usage(); 281 } 282 argc -= optind; 283 argv += optind; 284 285 /* 286 * Discard setgid privileges if not the running kernel so that bad 287 * guys can't print interesting stuff from kernel memory. 288 */ 289 if (nlistf != NULL || memf != NULL) 290 (void)setgid(getgid()); 291 292 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 293 errx(1, "kvm_openfiles: %s", buf); 294 (void)setgid(getgid()); 295 if ((ret = kvm_nlist(kd, nl)) != 0) { 296 if (ret == -1) 297 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 298 for (i = NLMANDATORYBEG, quit = 0; i <= NLMANDATORYEND; i++) 299 if (!nl[i].n_value) { 300 quit = 1; 301 warnx("undefined symbol: %s", nl[i].n_name); 302 } 303 if (quit) 304 exit(1); 305 } 306 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 307 usage(); 308 if (fileflag || totalflag) 309 filemode(); 310 if (vnodeflag) 311 vnodemode(); 312 if (ttyflag) 313 ttymode(); 314 if (swapflag || totalflag) 315 swapmode(); 316 exit (0); 317} 318 319static void 320usage() 321{ 322 fprintf(stderr, "usage: %s\n", usagestr); 323 exit (1); 324} 325 326struct e_vnode { 327 struct vnode *avnode; 328 struct vnode vnode; 329}; 330 331void 332vnodemode() 333{ 334 struct e_vnode *e_vnodebase, *endvnode, *evp; 335 struct vnode *vp; 336 struct mount *maddr, *mp; 337 int numvnodes; 338 339 e_vnodebase = loadvnodes(&numvnodes); 340 if (totalflag) { 341 (void)printf("%7d vnodes\n", numvnodes); 342 return; 343 } 344 endvnode = e_vnodebase + numvnodes; 345 (void)printf("%d active vnodes\n", numvnodes); 346 347 348#define ST mp->mnt_stat 349 maddr = NULL; 350 for (evp = e_vnodebase; evp < endvnode; evp++) { 351 vp = &evp->vnode; 352 if (vp->v_mount != maddr) { 353 /* 354 * New filesystem 355 */ 356 if ((mp = getmnt(vp->v_mount)) == NULL) 357 continue; 358 maddr = vp->v_mount; 359 mount_print(mp); 360 vnode_header(); 361 if (!strcmp(ST.f_fstypename, "ufs")) 362 ufs_header(); 363 else if (!strcmp(ST.f_fstypename, "nfs")) 364 nfs_header(); 365 else if (!strcmp(ST.f_fstypename, "union")) 366 union_header(); 367 (void)printf("\n"); 368 } 369 vnode_print(evp->avnode, vp); 370 if (!strcmp(ST.f_fstypename, "ufs")) 371 ufs_print(vp); 372 else if (!strcmp(ST.f_fstypename, "nfs")) 373 nfs_print(vp); 374 else if (!strcmp(ST.f_fstypename, "union")) 375 union_print(vp); 376 (void)printf("\n"); 377 } 378 free(e_vnodebase); 379} 380 381void 382vnode_header() 383{ 384 (void)printf("ADDR TYP VFLAG USE HOLD"); 385} 386 387void 388vnode_print(avnode, vp) 389 struct vnode *avnode; 390 struct vnode *vp; 391{ 392 char *type, flags[16]; 393 char *fp = flags; 394 int flag; 395 396 /* 397 * set type 398 */ 399 switch (vp->v_type) { 400 case VNON: 401 type = "non"; break; 402 case VREG: 403 type = "reg"; break; 404 case VDIR: 405 type = "dir"; break; 406 case VBLK: 407 type = "blk"; break; 408 case VCHR: 409 type = "chr"; break; 410 case VLNK: 411 type = "lnk"; break; 412 case VSOCK: 413 type = "soc"; break; 414 case VFIFO: 415 type = "fif"; break; 416 case VBAD: 417 type = "bad"; break; 418 default: 419 type = "unk"; break; 420 } 421 /* 422 * gather flags 423 */ 424 flag = vp->v_flag; 425 if (flag & VROOT) 426 *fp++ = 'R'; 427 if (flag & VTEXT) 428 *fp++ = 'T'; 429 if (flag & VSYSTEM) 430 *fp++ = 'S'; 431 if (flag & VISTTY) 432 *fp++ = 't'; 433 if (flag & VXLOCK) 434 *fp++ = 'L'; 435 if (flag & VXWANT) 436 *fp++ = 'W'; 437 if (flag & VBWAIT) 438 *fp++ = 'B'; 439 if (flag & VOBJBUF) 440 *fp++ = 'V'; 441 if (flag & VCOPYONWRITE) 442 *fp++ = 'C'; 443 if (flag & VAGE) 444 *fp++ = 'a'; 445 if (flag & VOLOCK) 446 *fp++ = 'l'; 447 if (flag & VOWANT) 448 *fp++ = 'w'; 449 if (flag & VDOOMED) 450 *fp++ = 'D'; 451 if (flag & VFREE) 452 *fp++ = 'F'; 453 if (flag & VONWORKLST) 454 *fp++ = 'O'; 455 if (flag & VMOUNT) 456 *fp++ = 'M'; 457 458 if (flag == 0) 459 *fp++ = '-'; 460 *fp = '\0'; 461 (void)printf("%8lx %s %5s %4d %4d", 462 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 463} 464 465void 466ufs_header() 467{ 468 (void)printf(" FILEID IFLAG RDEV|SZ"); 469} 470 471int 472ufs_print(vp) 473 struct vnode *vp; 474{ 475 int flag; 476 struct inode inode, *ip = &inode; 477 char flagbuf[16], *flags = flagbuf; 478 char *name; 479 mode_t type; 480 481 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 482 flag = ip->i_flag; 483 if (flag & IN_ACCESS) 484 *flags++ = 'A'; 485 if (flag & IN_CHANGE) 486 *flags++ = 'C'; 487 if (flag & IN_UPDATE) 488 *flags++ = 'U'; 489 if (flag & IN_MODIFIED) 490 *flags++ = 'M'; 491 if (flag & IN_RENAME) 492 *flags++ = 'R'; 493 if (flag & IN_HASHED) 494 *flags++ = 'H'; 495 if (flag & IN_LAZYMOD) 496 *flags++ = 'L'; 497 if (flag == 0) 498 *flags++ = '-'; 499 *flags = '\0'; 500 501 (void)printf(" %6d %5s", ip->i_number, flagbuf); 502 type = ip->i_mode & S_IFMT; 503 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 504 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 505 (void)printf(" %2d,%-2d", 506 major(ip->i_rdev), minor(ip->i_rdev)); 507 else 508 (void)printf(" %7s", name); 509 else 510 (void)printf(" %7qd", ip->i_size); 511 return (0); 512} 513 514void 515nfs_header() 516{ 517 (void)printf(" FILEID NFLAG RDEV|SZ"); 518} 519 520int 521nfs_print(vp) 522 struct vnode *vp; 523{ 524 struct nfsnode nfsnode, *np = &nfsnode; 525 char flagbuf[16], *flags = flagbuf; 526 int flag; 527 char *name; 528 mode_t type; 529 530 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 531 flag = np->n_flag; 532 if (flag & NFLUSHWANT) 533 *flags++ = 'W'; 534 if (flag & NFLUSHINPROG) 535 *flags++ = 'P'; 536 if (flag & NMODIFIED) 537 *flags++ = 'M'; 538 if (flag & NWRITEERR) 539 *flags++ = 'E'; 540 if (flag & NACC) 541 *flags++ = 'A'; 542 if (flag & NUPD) 543 *flags++ = 'U'; 544 if (flag & NCHG) 545 *flags++ = 'C'; 546 if (flag == 0) 547 *flags++ = '-'; 548 *flags = '\0'; 549 550#define VT np->n_vattr 551 (void)printf(" %6ld %5s", VT.va_fileid, flagbuf); 552 type = VT.va_mode & S_IFMT; 553 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 554 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 555 (void)printf(" %2d,%-2d", 556 major(VT.va_rdev), minor(VT.va_rdev)); 557 else 558 (void)printf(" %7s", name); 559 else 560 (void)printf(" %7qd", np->n_size); 561 return (0); 562} 563 564void 565union_header() 566{ 567 (void)printf(" UPPER LOWER"); 568} 569 570int 571union_print(vp) 572 struct vnode *vp; 573{ 574 struct union_node unode, *up = &unode; 575 576 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 577 578 (void)printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 579 (u_long)(void *)up->un_lowervp); 580 return (0); 581} 582 583/* 584 * Given a pointer to a mount structure in kernel space, 585 * read it in and return a usable pointer to it. 586 */ 587struct mount * 588getmnt(maddr) 589 struct mount *maddr; 590{ 591 static struct mtab { 592 struct mtab *next; 593 struct mount *maddr; 594 struct mount mount; 595 } *mhead = NULL; 596 struct mtab *mt; 597 598 for (mt = mhead; mt != NULL; mt = mt->next) 599 if (maddr == mt->maddr) 600 return (&mt->mount); 601 if ((mt = malloc(sizeof(struct mtab))) == NULL) 602 errx(1, "malloc"); 603 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 604 mt->maddr = maddr; 605 mt->next = mhead; 606 mhead = mt; 607 return (&mt->mount); 608} 609 610void 611mount_print(mp) 612 struct mount *mp; 613{ 614 int flags; 615 616#define ST mp->mnt_stat 617 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 618 ST.f_mntfromname, ST.f_mntonname); 619 if ((flags = mp->mnt_flag)) { 620 int i; 621 const char *sep = " ("; 622 623 for (i = 0; mnt_flags[i].m_flag; i++) { 624 if (flags & mnt_flags[i].m_flag) { 625 (void)printf("%s%s", sep, mnt_flags[i].m_name); 626 flags &= ~mnt_flags[i].m_flag; 627 sep = ","; 628 } 629 } 630 if (flags) 631 (void)printf("%sunknown_flags:%x", sep, flags); 632 (void)printf(")"); 633 } 634 (void)printf("\n"); 635#undef ST 636} 637 638struct e_vnode * 639loadvnodes(avnodes) 640 int *avnodes; 641{ 642 int mib[2]; 643 size_t copysize; 644 struct e_vnode *vnodebase; 645 646 if (memf != NULL) { 647 /* 648 * do it by hand 649 */ 650 return (kinfo_vnodes(avnodes)); 651 } 652 mib[0] = CTL_KERN; 653 mib[1] = KERN_VNODE; 654 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 655 err(1, "sysctl: KERN_VNODE"); 656 if ((vnodebase = malloc(copysize)) == NULL) 657 errx(1, "malloc"); 658 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 659 err(1, "sysctl: KERN_VNODE"); 660 if (copysize % sizeof(struct e_vnode)) 661 errx(1, "vnode size mismatch"); 662 *avnodes = copysize / sizeof(struct e_vnode); 663 664 return (vnodebase); 665} 666 667/* 668 * simulate what a running kernel does in in kinfo_vnode 669 */ 670struct e_vnode * 671kinfo_vnodes(avnodes) 672 int *avnodes; 673{ 674 struct mntlist mountlist; 675 struct mount *mp, mount, *mp_next; 676 struct vnode *vp, vnode, *vp_next; 677 char *vbuf, *evbuf, *bp; 678 int num, numvnodes; 679 680#define VPTRSZ sizeof(struct vnode *) 681#define VNODESZ sizeof(struct vnode) 682 683 KGET(V_NUMV, numvnodes); 684 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 685 errx(1, "malloc"); 686 bp = vbuf; 687 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 688 KGET(V_MOUNTLIST, mountlist); 689 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 690 KGET2(mp, &mount, sizeof(mount), "mount entry"); 691 mp_next = TAILQ_NEXT(&mount, mnt_list); 692 for (vp = TAILQ_FIRST(&mount.mnt_nvnodelist); 693 vp != NULL; vp = vp_next) { 694 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 695 vp_next = TAILQ_NEXT(&vnode, v_nmntvnodes); 696 if ((bp + VPTRSZ + VNODESZ) > evbuf) 697 /* XXX - should realloc */ 698 errx(1, "no more room for vnodes"); 699 memmove(bp, &vp, VPTRSZ); 700 bp += VPTRSZ; 701 memmove(bp, &vnode, VNODESZ); 702 bp += VNODESZ; 703 num++; 704 } 705 if (mp == TAILQ_LAST(&mountlist, mntlist)) 706 break; 707 } 708 *avnodes = num; 709 return ((struct e_vnode *)vbuf); 710} 711 712const char hdr[] = 713" LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 714int ttyspace = 128; 715 716void 717ttymode() 718{ 719 struct tty *tty; 720 struct tty ttyb[1000]; 721 int error; 722 size_t len, i; 723 724 (void)printf("%s", hdr); 725 len = sizeof(ttyb); 726 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 727 if (!error) { 728 len /= sizeof(ttyb[0]); 729 for (i = 0; i < len; i++) { 730 ttyprt(&ttyb[i], 0); 731 } 732 } 733 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 734 errx(1, "malloc"); 735 if (nl[SCONS].n_type != 0) { 736 (void)printf("1 console\n"); 737 KGET(SCONS, *tty); 738 ttyprt(&tty[0], 0); 739 } 740#ifdef __FreeBSD__ 741 if (nl[NSCCONS].n_type != 0) 742 ttytype(tty, "vty", SCCONS, NSCCONS, 0); 743 if (nl[NSIO].n_type != 0) 744 ttytype(tty, "sio", SIO, NSIO, 0); 745 if (nl[NRC].n_type != 0) 746 ttytype(tty, "rc", RC, NRC, 0); 747 if (nl[NCY].n_type != 0) 748 ttytype(tty, "cy", CY, NCY, 0); 749 if (nl[NSI].n_type != 0) 750 ttytype(tty, "si", SI, NSI, 1); 751#endif 752 if (nl[SNPTY].n_type != 0) 753 ttytype(tty, "pty", SPTY, SNPTY, 0); 754} 755 756void 757ttytype(tty, name, type, number, indir) 758 struct tty *tty; 759 char *name; 760 int type, number, indir; 761{ 762 struct tty *tp; 763 int ntty; 764 struct tty **ttyaddr; 765 766 if (tty == NULL) 767 return; 768 KGET(number, ntty); 769 (void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 770 if (ntty > ttyspace) { 771 ttyspace = ntty; 772 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 773 errx(1, "realloc"); 774 } 775 if (indir) { 776 KGET(type, ttyaddr); 777 KGET2(ttyaddr, tty, ntty * sizeof(struct tty), "tty structs"); 778 } else { 779 KGET1(type, tty, ntty * sizeof(struct tty), "tty structs"); 780 } 781 (void)printf("%s", hdr); 782 for (tp = tty; tp < &tty[ntty]; tp++) 783 ttyprt(tp, tp - tty); 784} 785 786struct { 787 int flag; 788 char val; 789} ttystates[] = { 790#ifdef TS_WOPEN 791 { TS_WOPEN, 'W'}, 792#endif 793 { TS_ISOPEN, 'O'}, 794 { TS_CARR_ON, 'C'}, 795#ifdef TS_CONNECTED 796 { TS_CONNECTED, 'c'}, 797#endif 798 { TS_TIMEOUT, 'T'}, 799 { TS_FLUSH, 'F'}, 800 { TS_BUSY, 'B'}, 801#ifdef TS_ASLEEP 802 { TS_ASLEEP, 'A'}, 803#endif 804#ifdef TS_SO_OLOWAT 805 { TS_SO_OLOWAT, 'A'}, 806#endif 807#ifdef TS_SO_OCOMPLETE 808 { TS_SO_OCOMPLETE, 'a'}, 809#endif 810 { TS_XCLUDE, 'X'}, 811 { TS_TTSTOP, 'S'}, 812#ifdef TS_CAR_OFLOW 813 { TS_CAR_OFLOW, 'm'}, 814#endif 815#ifdef TS_CTS_OFLOW 816 { TS_CTS_OFLOW, 'o'}, 817#endif 818#ifdef TS_DSR_OFLOW 819 { TS_DSR_OFLOW, 'd'}, 820#endif 821 { TS_TBLOCK, 'K'}, 822 { TS_ASYNC, 'Y'}, 823 { TS_BKSL, 'D'}, 824 { TS_ERASE, 'E'}, 825 { TS_LNCH, 'L'}, 826 { TS_TYPEN, 'P'}, 827 { TS_CNTTB, 'N'}, 828#ifdef TS_CAN_BYPASS_L_RINT 829 { TS_CAN_BYPASS_L_RINT, 'l'}, 830#endif 831#ifdef TS_SNOOP 832 { TS_SNOOP, 's'}, 833#endif 834#ifdef TS_ZOMBIE 835 { TS_ZOMBIE, 'Z'}, 836#endif 837 { 0, '\0'}, 838}; 839 840void 841ttyprt(tp, line) 842 struct tty *tp; 843 int line; 844{ 845 int i, j; 846 pid_t pgid; 847 char *name, state[20]; 848 849 if (usenumflag || tp->t_dev == 0 || 850 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 851 (void)printf(" %2d,%-2d", major(tp->t_dev), minor(tp->t_dev)); 852 else 853 (void)printf("%7s ", name); 854 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 855 (void)printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 856 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 857 tp->t_column); 858 for (i = j = 0; ttystates[i].flag; i++) 859 if (tp->t_state&ttystates[i].flag) 860 state[j++] = ttystates[i].val; 861 if (j == 0) 862 state[j++] = '-'; 863 state[j] = '\0'; 864 (void)printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 865 pgid = 0; 866 if (tp->t_pgrp != NULL) 867 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 868 (void)printf("%6d ", pgid); 869 switch (tp->t_line) { 870 case TTYDISC: 871 (void)printf("term\n"); 872 break; 873 case NTTYDISC: 874 (void)printf("ntty\n"); 875 break; 876 case SLIPDISC: 877 (void)printf("slip\n"); 878 break; 879 case PPPDISC: 880 (void)printf("ppp\n"); 881 break; 882 default: 883 (void)printf("%d\n", tp->t_line); 884 break; 885 } 886} 887 888void 889filemode() 890{ 891 struct file *fp; 892 struct file *addr; 893 char *buf, flagbuf[16], *fbp; 894 int len, maxfile, nfile; 895 static char *dtypes[] = { "???", "inode", "socket" }; 896 897 KGET(FNL_MAXFILE, maxfile); 898 if (totalflag) { 899 KGET(FNL_NFILE, nfile); 900 (void)printf("%3d/%3d files\n", nfile, maxfile); 901 return; 902 } 903 if (getfiles(&buf, &len) == -1) 904 return; 905 /* 906 * Getfiles returns in malloc'd memory a pointer to the first file 907 * structure, and then an array of file structs (whose addresses are 908 * derivable from the previous entry). 909 */ 910 addr = LIST_FIRST((struct filelist *)buf); 911 fp = (struct file *)(buf + sizeof(struct filelist)); 912 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 913 914 (void)printf("%d/%d open files\n", nfile, maxfile); 915 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 916 for (; (char *)fp < buf + len; addr = LIST_NEXT(fp, f_list), fp++) { 917 if ((unsigned)fp->f_type > DTYPE_SOCKET) 918 continue; 919 (void)printf("%8lx ", (u_long)(void *)addr); 920 (void)printf("%-8.8s", dtypes[fp->f_type]); 921 fbp = flagbuf; 922 if (fp->f_flag & FREAD) 923 *fbp++ = 'R'; 924 if (fp->f_flag & FWRITE) 925 *fbp++ = 'W'; 926 if (fp->f_flag & FAPPEND) 927 *fbp++ = 'A'; 928 if (fp->f_flag & FASYNC) 929 *fbp++ = 'I'; 930 *fbp = '\0'; 931 (void)printf("%6s %3d", flagbuf, fp->f_count); 932 (void)printf(" %3d", fp->f_msgcount); 933 (void)printf(" %8lx", (u_long)(void *)fp->f_data); 934 if (fp->f_offset < 0) 935 (void)printf(" %qx\n", fp->f_offset); 936 else 937 (void)printf(" %qd\n", fp->f_offset); 938 } 939 free(buf); 940} 941 942int 943getfiles(abuf, alen) 944 char **abuf; 945 int *alen; 946{ 947 size_t len; 948 int mib[2]; 949 char *buf; 950 951 /* 952 * XXX 953 * Add emulation of KINFO_FILE here. 954 */ 955 if (memf != NULL) 956 errx(1, "files on dead kernel, not implemented"); 957 958 mib[0] = CTL_KERN; 959 mib[1] = KERN_FILE; 960 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 961 warn("sysctl: KERN_FILE"); 962 return (-1); 963 } 964 if ((buf = malloc(len)) == NULL) 965 errx(1, "malloc"); 966 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 967 warn("sysctl: KERN_FILE"); 968 return (-1); 969 } 970 *abuf = buf; 971 *alen = len; 972 return (0); 973} 974 975/* 976 * swapmode is based on a program called swapinfo written 977 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 978 */ 979void 980swapmode(void) 981{ 982 struct kvm_swap kswap[16]; 983 int i; 984 int n; 985 int pagesize = getpagesize(); 986 const char *header; 987 int hlen; 988 long blocksize; 989 990 n = kvm_getswapinfo( 991 kd, 992 kswap, 993 sizeof(kswap)/sizeof(kswap[0]), 994 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 995 ); 996 997#define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 998 999 header = getbsize(&hlen, &blocksize); 1000 if (totalflag == 0) { 1001 (void)printf("%-15s %*s %8s %8s %8s %s\n", 1002 "Device", hlen, header, 1003 "Used", "Avail", "Capacity", "Type"); 1004 1005 for (i = 0; i < n; ++i) { 1006 (void)printf( 1007 "%-15s %*d ", 1008 kswap[i].ksw_devname, 1009 hlen, 1010 CONVERT(kswap[i].ksw_total) 1011 ); 1012 (void)printf( 1013 "%8d %8d %5.0f%% %s\n", 1014 CONVERT(kswap[i].ksw_used), 1015 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 1016 (double)kswap[i].ksw_used * 100.0 / 1017 (double)kswap[i].ksw_total, 1018 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 1019 "Sequential" : "Interleaved" 1020 ); 1021 } 1022 } 1023 1024 if (totalflag) { 1025 blocksize = 1024 * 1024; 1026 1027 (void)printf( 1028 "%dM/%dM swap space\n", 1029 CONVERT(kswap[n].ksw_used), 1030 CONVERT(kswap[n].ksw_total) 1031 ); 1032 } else if (n > 1) { 1033 (void)printf( 1034 "%-15s %*d %8d %8d %5.0f%%\n", 1035 "Total", 1036 hlen, 1037 CONVERT(kswap[n].ksw_total), 1038 CONVERT(kswap[n].ksw_used), 1039 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 1040 (double)kswap[n].ksw_used * 100.0 / 1041 (double)kswap[n].ksw_total 1042 ); 1043 } 1044} 1045