pstat.c revision 56854
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 56854 2000-01-29 16:45:28Z peter $"; 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 <miscfs/union/union.h> 60#undef _KERNEL 61#include <sys/stat.h> 62#include <nfs/rpcv2.h> 63#include <nfs/nfsproto.h> 64#include <nfs/nfs.h> 65#include <nfs/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_NOATIME, "noatime" }, 151 { MNT_EXRDONLY, "exrdonly" }, 152 { MNT_EXPORTED, "exported" }, 153 { MNT_DEFEXPORTED, "defexported" }, 154 { MNT_EXPORTANON, "exportanon" }, 155 { MNT_EXKERB, "exkerb" }, 156 { MNT_LOCAL, "local" }, 157 { MNT_QUOTA, "quota" }, 158 { MNT_ROOTFS, "rootfs" }, 159 { MNT_USER, "user" }, 160 { MNT_UPDATE, "update" }, 161 { MNT_DELEXPORT }, 162 { MNT_UPDATE, "update" }, 163 { MNT_DELEXPORT, "delexport" }, 164 { MNT_RELOAD, "reload" }, 165 { MNT_FORCE, "force" }, 166#if 0 167 { MNT_UNMOUNT, "unmount" }, 168 { MNT_MWAIT, "mwait" }, 169 { MNT_WANTRDWR, "wantrdwr" }, 170#endif 171 { 0 } 172}; 173 174 175#define SVAR(var) __STRING(var) /* to force expansion */ 176#define KGET(idx, var) \ 177 KGET1(idx, &var, sizeof(var), SVAR(var)) 178#define KGET1(idx, p, s, msg) \ 179 KGET2(nl[idx].n_value, p, s, msg) 180#define KGET2(addr, p, s, msg) \ 181 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 182 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 183#define KGETN(idx, var) \ 184 KGET1N(idx, &var, sizeof(var), SVAR(var)) 185#define KGET1N(idx, p, s, msg) \ 186 KGET2N(nl[idx].n_value, p, s, msg) 187#define KGET2N(addr, p, s, msg) \ 188 ((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0) 189#define KGETRET(addr, p, s, msg) \ 190 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 191 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 192 return (0); \ 193 } 194 195void filemode __P((void)); 196int getfiles __P((char **, int *)); 197struct mount * 198 getmnt __P((struct mount *)); 199struct e_vnode * 200 kinfo_vnodes __P((int *)); 201struct e_vnode * 202 loadvnodes __P((int *)); 203void mount_print __P((struct mount *)); 204void nfs_header __P((void)); 205int nfs_print __P((struct vnode *)); 206void swapmode __P((void)); 207void ttymode __P((void)); 208void ttyprt __P((struct tty *, int)); 209void ttytype __P((struct tty *, char *, int, int, int)); 210void ufs_header __P((void)); 211int ufs_print __P((struct vnode *)); 212void union_header __P((void)); 213int union_print __P((struct vnode *)); 214static void usage __P((void)); 215void vnode_header __P((void)); 216void vnode_print __P((struct vnode *, struct vnode *)); 217void vnodemode __P((void)); 218 219int 220main(argc, argv) 221 int argc; 222 char *argv[]; 223{ 224 int ch, i, quit, ret; 225 int fileflag, ttyflag, vnodeflag; 226 char buf[_POSIX2_LINE_MAX],*opts; 227 228 fileflag = swapflag = ttyflag = vnodeflag = 0; 229 230 /* We will behave like good old swapinfo if thus invoked */ 231 opts = strrchr(argv[0],'/'); 232 if (opts) 233 opts++; 234 else 235 opts = argv[0]; 236 if (!strcmp(opts,"swapinfo")) { 237 swapflag = 1; 238 opts = "kM:N:"; 239 usagestr = "swapinfo [-k] [-M core] [-N system]"; 240 } else { 241 opts = "TM:N:fiknstv"; 242 usagestr = "pstat [-Tfknstv] [-M core] [-N system]"; 243 } 244 245 while ((ch = getopt(argc, argv, opts)) != -1) 246 switch (ch) { 247 case 'f': 248 fileflag = 1; 249 break; 250 case 'k': 251 putenv("BLOCKSIZE=1K"); 252 break; 253 case 'M': 254 memf = optarg; 255 break; 256 case 'N': 257 nlistf = optarg; 258 break; 259 case 'n': 260 usenumflag = 1; 261 break; 262 case 's': 263 ++swapflag; 264 break; 265 case 'T': 266 totalflag = 1; 267 break; 268 case 't': 269 ttyflag = 1; 270 break; 271 case 'v': 272 case 'i': /* Backward compatibility. */ 273 errx(1, "vnode mode not supported"); 274#if 0 275 vnodeflag = 1; 276 break; 277#endif 278 default: 279 usage(); 280 } 281 argc -= optind; 282 argv += optind; 283 284 /* 285 * Discard setgid privileges if not the running kernel so that bad 286 * guys can't print interesting stuff from kernel memory. 287 */ 288 if (nlistf != NULL || memf != NULL) 289 (void)setgid(getgid()); 290 291 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 292 errx(1, "kvm_openfiles: %s", buf); 293 if ((ret = kvm_nlist(kd, nl)) != 0) { 294 if (ret == -1) 295 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 296 for (i = NLMANDATORYBEG, quit = 0; i <= NLMANDATORYEND; i++) 297 if (!nl[i].n_value) { 298 quit = 1; 299 warnx("undefined symbol: %s", nl[i].n_name); 300 } 301 if (quit) 302 exit(1); 303 } 304 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 305 usage(); 306 if (fileflag || totalflag) 307 filemode(); 308 if (vnodeflag) 309 vnodemode(); 310 if (ttyflag) 311 ttymode(); 312 if (swapflag || totalflag) 313 swapmode(); 314 exit (0); 315} 316 317static void 318usage() 319{ 320 fprintf(stderr, "usage: %s\n", usagestr); 321 exit (1); 322} 323 324struct e_vnode { 325 struct vnode *avnode; 326 struct vnode vnode; 327}; 328 329void 330vnodemode() 331{ 332 struct e_vnode *e_vnodebase, *endvnode, *evp; 333 struct vnode *vp; 334 struct mount *maddr, *mp; 335 int numvnodes; 336 337 e_vnodebase = loadvnodes(&numvnodes); 338 if (totalflag) { 339 (void)printf("%7d vnodes\n", numvnodes); 340 return; 341 } 342 endvnode = e_vnodebase + numvnodes; 343 (void)printf("%d active vnodes\n", numvnodes); 344 345 346#define ST mp->mnt_stat 347 maddr = NULL; 348 for (evp = e_vnodebase; evp < endvnode; evp++) { 349 vp = &evp->vnode; 350 if (vp->v_mount != maddr) { 351 /* 352 * New filesystem 353 */ 354 if ((mp = getmnt(vp->v_mount)) == NULL) 355 continue; 356 maddr = vp->v_mount; 357 mount_print(mp); 358 vnode_header(); 359 if (!strcmp(ST.f_fstypename, "ufs") || 360 !strcmp(ST.f_fstypename, "mfs")) 361 ufs_header(); 362 else if (!strcmp(ST.f_fstypename, "nfs")) 363 nfs_header(); 364 else if (!strcmp(ST.f_fstypename, "union")) 365 union_header(); 366 (void)printf("\n"); 367 } 368 vnode_print(evp->avnode, vp); 369 if (!strcmp(ST.f_fstypename, "ufs") || 370 !strcmp(ST.f_fstypename, "mfs")) 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 & VAGE) 442 *fp++ = 'a'; 443 if (flag & VOLOCK) 444 *fp++ = 'l'; 445 if (flag & VOWANT) 446 *fp++ = 'w'; 447 if (flag == 0) 448 *fp++ = '-'; 449 *fp = '\0'; 450 (void)printf("%8lx %s %5s %4d %4d", 451 (u_long)(void *)avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 452} 453 454void 455ufs_header() 456{ 457 (void)printf(" FILEID IFLAG RDEV|SZ"); 458} 459 460int 461ufs_print(vp) 462 struct vnode *vp; 463{ 464 int flag; 465 struct inode inode, *ip = &inode; 466 char flagbuf[16], *flags = flagbuf; 467 char *name; 468 mode_t type; 469 470 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 471 flag = ip->i_flag; 472 if (flag & IN_RENAME) 473 *flags++ = 'R'; 474 if (flag & IN_UPDATE) 475 *flags++ = 'U'; 476 if (flag & IN_ACCESS) 477 *flags++ = 'A'; 478 if (flag & IN_CHANGE) 479 *flags++ = 'C'; 480 if (flag & IN_MODIFIED) 481 *flags++ = 'M'; 482 if (flag & IN_SHLOCK) 483 *flags++ = 'S'; 484 if (flag & IN_EXLOCK) 485 *flags++ = 'E'; 486 if (flag == 0) 487 *flags++ = '-'; 488 *flags = '\0'; 489 490 (void)printf(" %6d %5s", ip->i_number, flagbuf); 491 type = ip->i_mode & S_IFMT; 492 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 493 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 494 (void)printf(" %2d,%-2d", 495 major(ip->i_rdev), minor(ip->i_rdev)); 496 else 497 (void)printf(" %7s", name); 498 else 499 (void)printf(" %7qd", ip->i_size); 500 return (0); 501} 502 503void 504nfs_header() 505{ 506 (void)printf(" FILEID NFLAG RDEV|SZ"); 507} 508 509int 510nfs_print(vp) 511 struct vnode *vp; 512{ 513 struct nfsnode nfsnode, *np = &nfsnode; 514 char flagbuf[16], *flags = flagbuf; 515 int flag; 516 char *name; 517 mode_t type; 518 519 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 520 flag = np->n_flag; 521 if (flag & NFLUSHWANT) 522 *flags++ = 'W'; 523 if (flag & NFLUSHINPROG) 524 *flags++ = 'P'; 525 if (flag & NMODIFIED) 526 *flags++ = 'M'; 527 if (flag & NWRITEERR) 528 *flags++ = 'E'; 529 if (flag & NQNFSNONCACHE) 530 *flags++ = 'X'; 531 if (flag & NQNFSWRITE) 532 *flags++ = 'O'; 533 if (flag & NQNFSEVICTED) 534 *flags++ = 'G'; 535 if (flag == 0) 536 *flags++ = '-'; 537 *flags = '\0'; 538 539#define VT np->n_vattr 540 (void)printf(" %6ld %5s", VT.va_fileid, flagbuf); 541 type = VT.va_mode & S_IFMT; 542 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 543 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 544 (void)printf(" %2d,%-2d", 545 major(VT.va_rdev), minor(VT.va_rdev)); 546 else 547 (void)printf(" %7s", name); 548 else 549 (void)printf(" %7qd", np->n_size); 550 return (0); 551} 552 553void 554union_header() 555{ 556 (void)printf(" UPPER LOWER"); 557} 558 559int 560union_print(vp) 561 struct vnode *vp; 562{ 563 struct union_node unode, *up = &unode; 564 565 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 566 567 (void)printf(" %8lx %8lx", (u_long)(void *)up->un_uppervp, 568 (u_long)(void *)up->un_lowervp); 569 return (0); 570} 571 572/* 573 * Given a pointer to a mount structure in kernel space, 574 * read it in and return a usable pointer to it. 575 */ 576struct mount * 577getmnt(maddr) 578 struct mount *maddr; 579{ 580 static struct mtab { 581 struct mtab *next; 582 struct mount *maddr; 583 struct mount mount; 584 } *mhead = NULL; 585 struct mtab *mt; 586 587 for (mt = mhead; mt != NULL; mt = mt->next) 588 if (maddr == mt->maddr) 589 return (&mt->mount); 590 if ((mt = malloc(sizeof(struct mtab))) == NULL) 591 errx(1, "malloc"); 592 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 593 mt->maddr = maddr; 594 mt->next = mhead; 595 mhead = mt; 596 return (&mt->mount); 597} 598 599void 600mount_print(mp) 601 struct mount *mp; 602{ 603 int flags; 604 const char *type; 605 606#define ST mp->mnt_stat 607 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 608 ST.f_mntfromname, ST.f_mntonname); 609 if ((flags = mp->mnt_flag)) { 610 int i; 611 const char *sep = " ("; 612 613 for (i = 0; mnt_flags[i].m_flag; i++) { 614 if (flags & mnt_flags[i].m_flag) { 615 (void)printf("%s%s", sep, mnt_flags[i].m_name); 616 flags &= ~mnt_flags[i].m_flag; 617 sep = ","; 618 } 619 } 620 if (flags) 621 (void)printf("%sunknown_flags:%x", sep, flags); 622 (void)printf(")"); 623 } 624 (void)printf("\n"); 625#undef ST 626} 627 628struct e_vnode * 629loadvnodes(avnodes) 630 int *avnodes; 631{ 632 int mib[2]; 633 size_t copysize; 634 struct e_vnode *vnodebase; 635 636 if (memf != NULL) { 637 /* 638 * do it by hand 639 */ 640 return (kinfo_vnodes(avnodes)); 641 } 642 mib[0] = CTL_KERN; 643 mib[1] = KERN_VNODE; 644 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 645 err(1, "sysctl: KERN_VNODE"); 646 if ((vnodebase = malloc(copysize)) == NULL) 647 errx(1, "malloc"); 648 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 649 err(1, "sysctl: KERN_VNODE"); 650 if (copysize % sizeof(struct e_vnode)) 651 errx(1, "vnode size mismatch"); 652 *avnodes = copysize / sizeof(struct e_vnode); 653 654 return (vnodebase); 655} 656 657/* 658 * simulate what a running kernel does in in kinfo_vnode 659 */ 660struct e_vnode * 661kinfo_vnodes(avnodes) 662 int *avnodes; 663{ 664 struct mntlist mountlist; 665 struct mount *mp, mount, *mp_next; 666 struct vnode *vp, vnode, *vp_next; 667 char *vbuf, *evbuf, *bp; 668 int num, numvnodes; 669 670#define VPTRSZ sizeof(struct vnode *) 671#define VNODESZ sizeof(struct vnode) 672 673 KGET(V_NUMV, numvnodes); 674 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 675 errx(1, "malloc"); 676 bp = vbuf; 677 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 678 KGET(V_MOUNTLIST, mountlist); 679 for (num = 0, mp = TAILQ_FIRST(&mountlist); ; mp = mp_next) { 680 KGET2(mp, &mount, sizeof(mount), "mount entry"); 681 mp_next = TAILQ_NEXT(&mount, mnt_list); 682 for (vp = mount.mnt_vnodelist.lh_first; 683 vp != NULL; vp = vp_next) { 684 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 685 vp_next = vnode.v_mntvnodes.le_next; 686 if ((bp + VPTRSZ + VNODESZ) > evbuf) 687 /* XXX - should realloc */ 688 errx(1, "no more room for vnodes"); 689 memmove(bp, &vp, VPTRSZ); 690 bp += VPTRSZ; 691 memmove(bp, &vnode, VNODESZ); 692 bp += VNODESZ; 693 num++; 694 } 695 if (mp == TAILQ_LAST(&mountlist, mntlist)) 696 break; 697 } 698 *avnodes = num; 699 return ((struct e_vnode *)vbuf); 700} 701 702char hdr[] = 703" LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n"; 704int ttyspace = 128; 705 706void 707ttymode() 708{ 709 struct tty *tty; 710 struct tty ttyb[1000]; 711 int error, len, i; 712 713 (void)printf(hdr); 714 len = sizeof(ttyb); 715 error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0); 716 if (!error) { 717 len /= sizeof(ttyb[0]); 718 for (i = 0; i < len; i++) { 719 ttyprt(&ttyb[i], 0); 720 } 721 } 722 if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL) 723 errx(1, "malloc"); 724 if (nl[SCONS].n_type != 0) { 725 (void)printf("1 console\n"); 726 KGET(SCONS, *tty); 727 ttyprt(&tty[0], 0); 728 } 729#ifdef __FreeBSD__ 730 if (nl[NSCCONS].n_type != 0) 731 ttytype(tty, "vty", SCCONS, NSCCONS, 0); 732 if (nl[NSIO].n_type != 0) 733 ttytype(tty, "sio", SIO, NSIO, 0); 734 if (nl[NRC].n_type != 0) 735 ttytype(tty, "rc", RC, NRC, 0); 736 if (nl[NCY].n_type != 0) 737 ttytype(tty, "cy", CY, NCY, 0); 738 if (nl[NSI].n_type != 0) 739 ttytype(tty, "si", SI, NSI, 1); 740#endif 741 if (nl[SNPTY].n_type != 0) 742 ttytype(tty, "pty", SPTY, SNPTY, 0); 743} 744 745void 746ttytype(tty, name, type, number, indir) 747 struct tty *tty; 748 char *name; 749 int type, number, indir; 750{ 751 struct tty *tp; 752 int ntty; 753 struct tty **ttyaddr; 754 755 if (tty == NULL) 756 return; 757 KGET(number, ntty); 758 (void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 759 if (ntty > ttyspace) { 760 ttyspace = ntty; 761 if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0) 762 errx(1, "realloc"); 763 } 764 if (indir) { 765 KGET(type, ttyaddr); 766 KGET2(ttyaddr, tty, ntty * sizeof(struct tty), "tty structs"); 767 } else { 768 KGET1(type, tty, ntty * sizeof(struct tty), "tty structs"); 769 } 770 (void)printf(hdr); 771 for (tp = tty; tp < &tty[ntty]; tp++) 772 ttyprt(tp, tp - tty); 773} 774 775struct { 776 int flag; 777 char val; 778} ttystates[] = { 779#ifdef TS_WOPEN 780 { TS_WOPEN, 'W'}, 781#endif 782 { TS_ISOPEN, 'O'}, 783 { TS_CARR_ON, 'C'}, 784#ifdef TS_CONNECTED 785 { TS_CONNECTED, 'c'}, 786#endif 787 { TS_TIMEOUT, 'T'}, 788 { TS_FLUSH, 'F'}, 789 { TS_BUSY, 'B'}, 790#ifdef TS_ASLEEP 791 { TS_ASLEEP, 'A'}, 792#endif 793#ifdef TS_SO_OLOWAT 794 { TS_SO_OLOWAT, 'A'}, 795#endif 796#ifdef TS_SO_OCOMPLETE 797 { TS_SO_OCOMPLETE, 'a'}, 798#endif 799 { TS_XCLUDE, 'X'}, 800 { TS_TTSTOP, 'S'}, 801#ifdef TS_CAR_OFLOW 802 { TS_CAR_OFLOW, 'm'}, 803#endif 804#ifdef TS_CTS_OFLOW 805 { TS_CTS_OFLOW, 'o'}, 806#endif 807#ifdef TS_DSR_OFLOW 808 { TS_DSR_OFLOW, 'd'}, 809#endif 810 { TS_TBLOCK, 'K'}, 811 { TS_ASYNC, 'Y'}, 812 { TS_BKSL, 'D'}, 813 { TS_ERASE, 'E'}, 814 { TS_LNCH, 'L'}, 815 { TS_TYPEN, 'P'}, 816 { TS_CNTTB, 'N'}, 817#ifdef TS_CAN_BYPASS_L_RINT 818 { TS_CAN_BYPASS_L_RINT, 'l'}, 819#endif 820#ifdef TS_SNOOP 821 { TS_SNOOP, 's'}, 822#endif 823#ifdef TS_ZOMBIE 824 { TS_ZOMBIE, 'Z'}, 825#endif 826 { 0, '\0'}, 827}; 828 829void 830ttyprt(tp, line) 831 struct tty *tp; 832 int line; 833{ 834 int i, j; 835 pid_t pgid; 836 char *name, state[20]; 837 838 if (usenumflag || tp->t_dev == 0 || 839 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 840 (void)printf("%7d ", line); 841 else 842 (void)printf("%7s ", name); 843 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 844 (void)printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc, 845 tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat, 846 tp->t_column); 847 for (i = j = 0; ttystates[i].flag; i++) 848 if (tp->t_state&ttystates[i].flag) 849 state[j++] = ttystates[i].val; 850 if (j == 0) 851 state[j++] = '-'; 852 state[j] = '\0'; 853 (void)printf("%-6s %8lx", state, (u_long)(void *)tp->t_session); 854 pgid = 0; 855 if (tp->t_pgrp != NULL) 856 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 857 (void)printf("%6d ", pgid); 858 switch (tp->t_line) { 859 case TTYDISC: 860 (void)printf("term\n"); 861 break; 862 case NTTYDISC: 863 (void)printf("ntty\n"); 864 break; 865 case SLIPDISC: 866 (void)printf("slip\n"); 867 break; 868 case PPPDISC: 869 (void)printf("ppp\n"); 870 break; 871 default: 872 (void)printf("%d\n", tp->t_line); 873 break; 874 } 875} 876 877void 878filemode() 879{ 880 struct file *fp; 881 struct file *addr; 882 char *buf, flagbuf[16], *fbp; 883 int len, maxfile, nfile; 884 static char *dtypes[] = { "???", "inode", "socket" }; 885 886 KGET(FNL_MAXFILE, maxfile); 887 if (totalflag) { 888 KGET(FNL_NFILE, nfile); 889 (void)printf("%3d/%3d files\n", nfile, maxfile); 890 return; 891 } 892 if (getfiles(&buf, &len) == -1) 893 return; 894 /* 895 * Getfiles returns in malloc'd memory a pointer to the first file 896 * structure, and then an array of file structs (whose addresses are 897 * derivable from the previous entry). 898 */ 899 addr = ((struct filelist *)buf)->lh_first; 900 fp = (struct file *)(buf + sizeof(struct filelist)); 901 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 902 903 (void)printf("%d/%d open files\n", nfile, maxfile); 904 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 905 for (; (char *)fp < buf + len; addr = fp->f_list.le_next, fp++) { 906 if ((unsigned)fp->f_type > DTYPE_SOCKET) 907 continue; 908 (void)printf("%8lx ", (u_long)(void *)addr); 909 (void)printf("%-8.8s", dtypes[fp->f_type]); 910 fbp = flagbuf; 911 if (fp->f_flag & FREAD) 912 *fbp++ = 'R'; 913 if (fp->f_flag & FWRITE) 914 *fbp++ = 'W'; 915 if (fp->f_flag & FAPPEND) 916 *fbp++ = 'A'; 917#ifdef FSHLOCK /* currently gone */ 918 if (fp->f_flag & FSHLOCK) 919 *fbp++ = 'S'; 920 if (fp->f_flag & FEXLOCK) 921 *fbp++ = 'X'; 922#endif 923 if (fp->f_flag & FASYNC) 924 *fbp++ = 'I'; 925 *fbp = '\0'; 926 (void)printf("%6s %3d", flagbuf, fp->f_count); 927 (void)printf(" %3d", fp->f_msgcount); 928 (void)printf(" %8lx", (u_long)(void *)fp->f_data); 929 if (fp->f_offset < 0) 930 (void)printf(" %qx\n", fp->f_offset); 931 else 932 (void)printf(" %qd\n", fp->f_offset); 933 } 934 free(buf); 935} 936 937int 938getfiles(abuf, alen) 939 char **abuf; 940 int *alen; 941{ 942 size_t len; 943 int mib[2]; 944 char *buf; 945 946 /* 947 * XXX 948 * Add emulation of KINFO_FILE here. 949 */ 950 if (memf != NULL) 951 errx(1, "files on dead kernel, not implemented"); 952 953 mib[0] = CTL_KERN; 954 mib[1] = KERN_FILE; 955 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 956 warn("sysctl: KERN_FILE"); 957 return (-1); 958 } 959 if ((buf = malloc(len)) == NULL) 960 errx(1, "malloc"); 961 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 962 warn("sysctl: KERN_FILE"); 963 return (-1); 964 } 965 *abuf = buf; 966 *alen = len; 967 return (0); 968} 969 970/* 971 * swapmode is based on a program called swapinfo written 972 * by Kevin Lahey <kml@rokkaku.atl.ga.us>. 973 */ 974void 975swapmode(void) 976{ 977 struct kvm_swap kswap[16]; 978 int i; 979 int n; 980 int pagesize = getpagesize(); 981 const char *header; 982 int hlen; 983 long blocksize; 984 985 n = kvm_getswapinfo( 986 kd, 987 kswap, 988 sizeof(kswap)/sizeof(kswap[0]), 989 ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX 990 ); 991 992#define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize)) 993 994 header = getbsize(&hlen, &blocksize); 995 if (totalflag == 0) { 996 (void)printf("%-15s %*s %8s %8s %8s %s\n", 997 "Device", hlen, header, 998 "Used", "Avail", "Capacity", "Type"); 999 1000 for (i = 0; i < n; ++i) { 1001 (void)printf( 1002 "%-15s %*d ", 1003 kswap[i].ksw_devname, 1004 hlen, 1005 CONVERT(kswap[i].ksw_total) 1006 ); 1007 (void)printf( 1008 "%8d %8d %5.0f%% %s\n", 1009 CONVERT(kswap[i].ksw_used), 1010 CONVERT(kswap[i].ksw_total - kswap[i].ksw_used), 1011 (double)kswap[i].ksw_used * 100.0 / 1012 (double)kswap[i].ksw_total, 1013 (kswap[i].ksw_flags & SW_SEQUENTIAL) ? 1014 "Sequential" : "Interleaved" 1015 ); 1016 } 1017 } 1018 1019 if (totalflag) { 1020 blocksize = 1024 * 1024; 1021 1022 (void)printf( 1023 "%dM/%dM swap space\n", 1024 CONVERT(kswap[n].ksw_used), 1025 CONVERT(kswap[n].ksw_total) 1026 ); 1027 } else if (n > 1) { 1028 (void)printf( 1029 "%-15s %*d %8d %8d %5.0f%%\n", 1030 "Total", 1031 hlen, 1032 CONVERT(kswap[n].ksw_total), 1033 CONVERT(kswap[n].ksw_used), 1034 CONVERT(kswap[n].ksw_total - kswap[n].ksw_used), 1035 (double)kswap[n].ksw_used * 100.0 / 1036 (double)kswap[n].ksw_total 1037 ); 1038 } 1039} 1040