pstat.c revision 1.41
1 /* $NetBSD: pstat.c,v 1.41 1998/03/29 12:24:44 mycroft 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 1.41 1998/03/29 12:24:44 mycroft 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 #include <sys/file.h> 57 #include <ufs/ufs/quota.h> 58 #include <ufs/ufs/inode.h> 59 #define NFS 60 #include <sys/mount.h> 61 #undef NFS 62 #include <sys/uio.h> 63 #include <sys/namei.h> 64 #include <miscfs/union/union.h> 65 #undef _KERNEL 66 #include <sys/stat.h> 67 #include <nfs/nfsproto.h> 68 #include <nfs/rpcv2.h> 69 #include <nfs/nfs.h> 70 #include <nfs/nfsnode.h> 71 #include <sys/ioctl.h> 72 #include <sys/tty.h> 73 #include <sys/conf.h> 74 #include <sys/device.h> 75 76 #include <sys/sysctl.h> 77 78 #include <err.h> 79 #include <kvm.h> 80 #include <limits.h> 81 #include <nlist.h> 82 #include <stdio.h> 83 #include <stdlib.h> 84 #include <string.h> 85 #include <unistd.h> 86 87 #include "swapctl.h" 88 89 struct nlist nl[] = { 90 #define V_MOUNTLIST 0 91 { "_mountlist" }, /* address of head of mount list. */ 92 #define V_NUMV 1 93 { "_numvnodes" }, 94 #define FNL_NFILE 2 95 {"_nfiles"}, 96 #define FNL_MAXFILE 3 97 {"_maxfiles"}, 98 #define TTY_NTTY 4 99 {"_tty_count"}, 100 #define TTY_TTYLIST 5 101 {"_ttylist"}, 102 #define NLMANDATORY TTY_TTYLIST /* names up to here are mandatory */ 103 { "" } 104 }; 105 106 int usenumflag; 107 int totalflag; 108 int kflag; 109 char *nlistf = NULL; 110 char *memf = NULL; 111 kvm_t *kd; 112 113 struct { 114 int m_flag; 115 const char *m_name; 116 } mnt_flags[] = { 117 { MNT_RDONLY, "rdonly" }, 118 { MNT_SYNCHRONOUS, "sync" }, 119 { MNT_NOEXEC, "noexec" }, 120 { MNT_NOSUID, "nosuid" }, 121 { MNT_NODEV, "nodev" }, 122 { MNT_UNION, "union" }, 123 { MNT_ASYNC, "async" }, 124 { MNT_NOCOREDUMP, "nocoredump" }, 125 { MNT_EXRDONLY, "exrdonly" }, 126 { MNT_EXPORTED, "exported" }, 127 { MNT_DEFEXPORTED, "defexported" }, 128 { MNT_EXPORTANON, "exportanon" }, 129 { MNT_EXKERB, "exkerb" }, 130 { MNT_LOCAL, "local" }, 131 { MNT_QUOTA, "quota" }, 132 { MNT_ROOTFS, "rootfs" }, 133 { MNT_UPDATE, "update" }, 134 { MNT_DELEXPORT, "delexport" }, 135 { MNT_RELOAD, "reload" }, 136 { MNT_FORCE, "force" }, 137 { MNT_MWAIT, "wait" }, 138 { MNT_UNMOUNT, "unmount" }, 139 { MNT_WANTRDWR, "wantrdwr" }, 140 { 0 } 141 }; 142 143 144 #define SVAR(var) __STRING(var) /* to force expansion */ 145 #define KGET(idx, var) \ 146 KGET1(idx, &var, sizeof(var), SVAR(var)) 147 #define KGET1(idx, p, s, msg) \ 148 KGET2(nl[idx].n_value, p, s, msg) 149 #define KGET2(addr, p, s, msg) \ 150 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 151 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 152 #define KGETRET(addr, p, s, msg) \ 153 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 154 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 155 return (0); \ 156 } 157 158 void filemode __P((void)); 159 int getfiles __P((char **, int *)); 160 struct mount * 161 getmnt __P((struct mount *)); 162 struct e_vnode * 163 kinfo_vnodes __P((int *)); 164 struct e_vnode * 165 loadvnodes __P((int *)); 166 int main __P((int, char **)); 167 void mount_print __P((struct mount *)); 168 void nfs_header __P((void)); 169 int nfs_print __P((struct vnode *)); 170 void ttymode __P((void)); 171 void ttyprt __P((struct tty *)); 172 void ufs_getflags __P((struct vnode *, struct inode *, char *)); 173 void ufs_header __P((void)); 174 int ufs_print __P((struct vnode *)); 175 int ext2fs_print __P((struct vnode *)); 176 void union_header __P((void)); 177 int union_print __P((struct vnode *)); 178 void usage __P((void)); 179 void vnode_header __P((void)); 180 void vnode_print __P((struct vnode *, struct vnode *)); 181 void vnodemode __P((void)); 182 183 int 184 main(argc, argv) 185 int argc; 186 char *argv[]; 187 { 188 extern char *optarg; 189 extern int optind; 190 int ch, i, quit, ret; 191 int fileflag, swapflag, ttyflag, vnodeflag; 192 char buf[_POSIX2_LINE_MAX]; 193 194 fileflag = swapflag = ttyflag = vnodeflag = 0; 195 while ((ch = getopt(argc, argv, "TM:N:fiknstv")) != -1) 196 switch (ch) { 197 case 'f': 198 fileflag = 1; 199 break; 200 case 'M': 201 memf = optarg; 202 break; 203 case 'N': 204 nlistf = optarg; 205 break; 206 case 'n': 207 usenumflag = 1; 208 break; 209 case 's': 210 swapflag = 1; 211 break; 212 case 'T': 213 totalflag = 1; 214 break; 215 case 't': 216 ttyflag = 1; 217 break; 218 case 'k': 219 kflag = 1; 220 break; 221 case 'v': 222 case 'i': /* Backward compatibility. */ 223 vnodeflag = 1; 224 break; 225 default: 226 usage(); 227 } 228 argc -= optind; 229 argv += optind; 230 231 /* 232 * Discard setgid privileges if not the running kernel so that bad 233 * guys can't print interesting stuff from kernel memory. 234 */ 235 if (nlistf != NULL || memf != NULL) 236 (void)setgid(getgid()); 237 238 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 239 errx(1, "kvm_openfiles: %s", buf); 240 if ((ret = kvm_nlist(kd, nl)) != 0) { 241 if (ret == -1) 242 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 243 for (i = quit = 0; i <= NLMANDATORY; i++) 244 if (!nl[i].n_value) { 245 quit = 1; 246 warnx("undefined symbol: %s", nl[i].n_name); 247 } 248 if (quit) 249 exit(1); 250 } 251 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 252 usage(); 253 if (fileflag || totalflag) 254 filemode(); 255 if (vnodeflag || totalflag) 256 vnodemode(); 257 if (ttyflag) 258 ttymode(); 259 if (swapflag || totalflag) 260 list_swap(0, kflag, 0, totalflag, 1); 261 exit (0); 262 } 263 264 struct e_vnode { 265 struct vnode *avnode; 266 struct vnode vnode; 267 }; 268 269 void 270 vnodemode() 271 { 272 struct e_vnode *e_vnodebase, *endvnode, *evp; 273 struct vnode *vp; 274 struct mount *maddr, *mp; 275 int numvnodes; 276 277 mp = NULL; 278 e_vnodebase = loadvnodes(&numvnodes); 279 if (totalflag) { 280 (void)printf("%7d vnodes\n", numvnodes); 281 return; 282 } 283 endvnode = e_vnodebase + numvnodes; 284 (void)printf("%d active vnodes\n", numvnodes); 285 286 287 #define ST mp->mnt_stat 288 maddr = NULL; 289 for (evp = e_vnodebase; evp < endvnode; evp++) { 290 vp = &evp->vnode; 291 if (vp->v_mount != maddr) { 292 /* 293 * New filesystem 294 */ 295 if ((mp = getmnt(vp->v_mount)) == NULL) 296 continue; 297 maddr = vp->v_mount; 298 mount_print(mp); 299 vnode_header(); 300 if (!strncmp(ST.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 301 !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) 302 ufs_header(); 303 else if (!strncmp(ST.f_fstypename, MOUNT_NFS, 304 MFSNAMELEN)) 305 nfs_header(); 306 else if (!strncmp(ST.f_fstypename, MOUNT_EXT2FS, 307 MFSNAMELEN)) 308 ufs_header(); 309 else if (!strcmp(ST.f_fstypename, "union")) 310 union_header(); 311 (void)printf("\n"); 312 } 313 vnode_print(evp->avnode, vp); 314 if (!strncmp(ST.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 315 !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 316 ufs_print(vp); 317 } else if (!strncmp(ST.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { 318 nfs_print(vp); 319 } else if (!strncmp(ST.f_fstypename, MOUNT_EXT2FS, MFSNAMELEN)) { 320 ext2fs_print(vp); 321 } 322 (void)printf("\n"); 323 } 324 free(e_vnodebase); 325 } 326 327 void 328 vnode_header() 329 { 330 (void)printf("ADDR TYP VFLAG USE HOLD TAG"); 331 } 332 333 void 334 vnode_print(avnode, vp) 335 struct vnode *avnode; 336 struct vnode *vp; 337 { 338 char *type, flags[16]; 339 char *fp = flags; 340 int flag; 341 342 /* 343 * set type 344 */ 345 switch (vp->v_type) { 346 case VNON: 347 type = "non"; break; 348 case VREG: 349 type = "reg"; break; 350 case VDIR: 351 type = "dir"; break; 352 case VBLK: 353 type = "blk"; break; 354 case VCHR: 355 type = "chr"; break; 356 case VLNK: 357 type = "lnk"; break; 358 case VSOCK: 359 type = "soc"; break; 360 case VFIFO: 361 type = "fif"; break; 362 case VBAD: 363 type = "bad"; break; 364 default: 365 type = "unk"; break; 366 } 367 /* 368 * gather flags 369 */ 370 flag = vp->v_flag; 371 if (flag & VROOT) 372 *fp++ = 'R'; 373 if (flag & VTEXT) 374 *fp++ = 'T'; 375 if (flag & VSYSTEM) 376 *fp++ = 'S'; 377 if (flag & VISTTY) 378 *fp++ = 'I'; 379 if (flag & VXLOCK) 380 *fp++ = 'L'; 381 if (flag & VXWANT) 382 *fp++ = 'W'; 383 if (flag & VBWAIT) 384 *fp++ = 'B'; 385 if (flag & VALIASED) 386 *fp++ = 'A'; 387 if (flag & VDIROP) 388 *fp++ = 'D'; 389 if (flag == 0) 390 *fp++ = '-'; 391 *fp = '\0'; 392 (void)printf("%8lx %s %5s %4d %4ld %4d", 393 (long)avnode, type, flags, vp->v_usecount, (long)vp->v_holdcnt, 394 vp->v_tag); 395 } 396 397 void 398 ufs_getflags(vp, ip, flags) 399 struct vnode *vp; 400 struct inode *ip; 401 char *flags; 402 { 403 int flag; 404 405 /* 406 * XXX need to to locking state. 407 */ 408 409 flag = ip->i_flag; 410 if (flag & IN_RENAME) 411 *flags++ = 'R'; 412 if (flag & IN_UPDATE) 413 *flags++ = 'U'; 414 if (flag & IN_ACCESS) 415 *flags++ = 'A'; 416 if (flag & IN_CHANGE) 417 *flags++ = 'C'; 418 if (flag & IN_MODIFIED) 419 *flags++ = 'M'; 420 if (flag & IN_SHLOCK) 421 *flags++ = 'S'; 422 if (flag & IN_EXLOCK) 423 *flags++ = 'E'; 424 if (flag == 0) 425 *flags++ = '-'; 426 *flags = '\0'; 427 428 } 429 430 void 431 ufs_header() 432 { 433 (void)printf(" FILEID IFLAG RDEV|SZ"); 434 } 435 436 int 437 ufs_print(vp) 438 struct vnode *vp; 439 { 440 struct inode inode, *ip = &inode; 441 char flagbuf[16]; 442 char *name; 443 mode_t type; 444 445 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 446 ufs_getflags(vp, ip, flagbuf); 447 (void)printf(" %6d %5s", ip->i_number, flagbuf); 448 type = ip->i_ffs_mode & S_IFMT; 449 if (S_ISCHR(ip->i_ffs_mode) || S_ISBLK(ip->i_ffs_mode)) 450 if (usenumflag || ((name = devname(ip->i_ffs_rdev, type)) == NULL)) 451 (void)printf(" %2d,%-2d", 452 major(ip->i_ffs_rdev), minor(ip->i_ffs_rdev)); 453 else 454 (void)printf(" %7s", name); 455 else 456 (void)printf(" %7qd", (long long)ip->i_ffs_size); 457 return (0); 458 } 459 460 int 461 ext2fs_print(vp) 462 struct vnode *vp; 463 { 464 struct inode inode, *ip = &inode; 465 char flagbuf[16]; 466 char *name; 467 mode_t type; 468 469 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 470 ufs_getflags(vp, ip, flagbuf); 471 (void)printf(" %6d %5s", ip->i_number, flagbuf); 472 type = ip->i_e2fs_mode & S_IFMT; 473 if (S_ISCHR(ip->i_e2fs_mode) || S_ISBLK(ip->i_e2fs_mode)) 474 if (usenumflag || ((name = devname(ip->i_din.e2fs_din.e2di_rdev, 475 type)) == NULL)) 476 (void)printf(" %2d,%-2d", 477 major(ip->i_din.e2fs_din.e2di_rdev), 478 minor(ip->i_din.e2fs_din.e2di_rdev)); 479 else 480 (void)printf(" %7s", name); 481 else 482 (void)printf(" %7u", (u_int)ip->i_e2fs_size); 483 return (0); 484 } 485 486 void 487 nfs_header() 488 { 489 (void)printf(" FILEID NFLAG RDEV|SZ"); 490 } 491 492 int 493 nfs_print(vp) 494 struct vnode *vp; 495 { 496 struct nfsnode nfsnode, *np = &nfsnode; 497 char flagbuf[16], *flags = flagbuf; 498 int flag; 499 struct vattr va; 500 char *name; 501 mode_t type; 502 503 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 504 flag = np->n_flag; 505 if (flag & NFLUSHWANT) 506 *flags++ = 'W'; 507 if (flag & NFLUSHINPROG) 508 *flags++ = 'P'; 509 if (flag & NMODIFIED) 510 *flags++ = 'M'; 511 if (flag & NWRITEERR) 512 *flags++ = 'E'; 513 if (flag & NQNFSNONCACHE) 514 *flags++ = 'X'; 515 if (flag & NQNFSWRITE) 516 *flags++ = 'O'; 517 if (flag & NQNFSEVICTED) 518 *flags++ = 'G'; 519 if (flag == 0) 520 *flags++ = '-'; 521 *flags = '\0'; 522 523 KGETRET(np->n_vattr, &va, sizeof(va), "vnode attr"); 524 (void)printf(" %6ld %5s", (long)va.va_fileid, flagbuf); 525 type = va.va_mode & S_IFMT; 526 if (S_ISCHR(va.va_mode) || S_ISBLK(va.va_mode)) 527 if (usenumflag || ((name = devname(va.va_rdev, type)) == NULL)) 528 (void)printf(" %2d,%-2d", 529 major(va.va_rdev), minor(va.va_rdev)); 530 else 531 (void)printf(" %7s", name); 532 else 533 (void)printf(" %7qd", (long long)np->n_size); 534 return (0); 535 } 536 537 void 538 union_header() 539 { 540 (void)printf(" UPPER LOWER"); 541 } 542 543 int 544 union_print(vp) 545 struct vnode *vp; 546 { 547 struct union_node unode, *up = &unode; 548 549 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 550 551 (void)printf(" %8lx %8lx", (long)up->un_uppervp, (long)up->un_lowervp); 552 return (0); 553 } 554 555 /* 556 * Given a pointer to a mount structure in kernel space, 557 * read it in and return a usable pointer to it. 558 */ 559 struct mount * 560 getmnt(maddr) 561 struct mount *maddr; 562 { 563 static struct mtab { 564 struct mtab *next; 565 struct mount *maddr; 566 struct mount mount; 567 } *mhead = NULL; 568 struct mtab *mt; 569 570 for (mt = mhead; mt != NULL; mt = mt->next) 571 if (maddr == mt->maddr) 572 return (&mt->mount); 573 if ((mt = malloc(sizeof(struct mtab))) == NULL) 574 err(1, "malloc"); 575 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 576 mt->maddr = maddr; 577 mt->next = mhead; 578 mhead = mt; 579 return (&mt->mount); 580 } 581 582 void 583 mount_print(mp) 584 struct mount *mp; 585 { 586 int flags; 587 588 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 589 ST.f_mntfromname, ST.f_mntonname); 590 if ((flags = mp->mnt_flag) != 0) { 591 int i; 592 const char *sep = " ("; 593 594 for (i = 0; mnt_flags[i].m_flag; i++) { 595 if (flags & mnt_flags[i].m_flag) { 596 (void)printf("%s%s", sep, mnt_flags[i].m_name); 597 flags &= ~mnt_flags[i].m_flag; 598 sep = ","; 599 } 600 } 601 if (flags) 602 (void)printf("%sunknown_flags:%x", sep, flags); 603 (void)printf(")"); 604 } 605 (void)printf("\n"); 606 } 607 608 struct e_vnode * 609 loadvnodes(avnodes) 610 int *avnodes; 611 { 612 int mib[2]; 613 size_t copysize; 614 struct e_vnode *vnodebase; 615 616 if (memf != NULL) { 617 /* 618 * do it by hand 619 */ 620 return (kinfo_vnodes(avnodes)); 621 } 622 mib[0] = CTL_KERN; 623 mib[1] = KERN_VNODE; 624 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 625 err(1, "sysctl: KERN_VNODE"); 626 if ((vnodebase = malloc(copysize)) == NULL) 627 err(1, "malloc"); 628 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 629 err(1, "sysctl: KERN_VNODE"); 630 if (copysize % sizeof(struct e_vnode)) 631 errx(1, "vnode size mismatch"); 632 *avnodes = copysize / sizeof(struct e_vnode); 633 634 return (vnodebase); 635 } 636 637 /* 638 * simulate what a running kernel does in in kinfo_vnode 639 */ 640 struct e_vnode * 641 kinfo_vnodes(avnodes) 642 int *avnodes; 643 { 644 struct mntlist mountlist; 645 struct mount *mp, mount; 646 struct vnode *vp, vnode; 647 char *vbuf, *evbuf, *bp; 648 int num, numvnodes; 649 650 #define VPTRSZ sizeof(struct vnode *) 651 #define VNODESZ sizeof(struct vnode) 652 653 KGET(V_NUMV, numvnodes); 654 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 655 err(1, "malloc"); 656 bp = vbuf; 657 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 658 KGET(V_MOUNTLIST, mountlist); 659 for (num = 0, mp = mountlist.cqh_first; ; mp = mount.mnt_list.cqe_next) { 660 KGET2(mp, &mount, sizeof(mount), "mount entry"); 661 for (vp = mount.mnt_vnodelist.lh_first; 662 vp != NULL; vp = vnode.v_mntvnodes.le_next) { 663 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 664 if ((bp + VPTRSZ + VNODESZ) > evbuf) 665 /* XXX - should realloc */ 666 errx(1, "no more room for vnodes"); 667 memmove(bp, &vp, VPTRSZ); 668 bp += VPTRSZ; 669 memmove(bp, &vnode, VNODESZ); 670 bp += VNODESZ; 671 num++; 672 } 673 if (mp == mountlist.cqh_last) 674 break; 675 } 676 *avnodes = num; 677 return ((struct e_vnode *)vbuf); 678 } 679 680 char hdr[]=" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 681 int ttyspace = 128; 682 683 void 684 ttymode() 685 { 686 int ntty; 687 struct ttylist_head tty_head; 688 struct tty *tp, tty; 689 690 KGET(TTY_NTTY, ntty); 691 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 692 KGET(TTY_TTYLIST, tty_head); 693 (void)printf(hdr); 694 for (tp = tty_head.tqh_first; tp; tp = tty.tty_link.tqe_next) { 695 KGET2(tp, &tty, sizeof tty, "tty struct"); 696 ttyprt(&tty); 697 } 698 } 699 700 struct { 701 int flag; 702 char val; 703 } ttystates[] = { 704 { TS_ISOPEN, 'O'}, 705 { TS_DIALOUT, '>'}, 706 { TS_CARR_ON, 'C'}, 707 { TS_TIMEOUT, 'T'}, 708 { TS_FLUSH, 'F'}, 709 { TS_BUSY, 'B'}, 710 { TS_ASLEEP, 'A'}, 711 { TS_XCLUDE, 'X'}, 712 { TS_TTSTOP, 'S'}, 713 { TS_TBLOCK, 'K'}, 714 { TS_ASYNC, 'Y'}, 715 { TS_BKSL, 'D'}, 716 { TS_ERASE, 'E'}, 717 { TS_LNCH, 'L'}, 718 { TS_TYPEN, 'P'}, 719 { TS_CNTTB, 'N'}, 720 { 0, '\0'}, 721 }; 722 723 void 724 ttyprt(tp) 725 struct tty *tp; 726 { 727 int i, j; 728 pid_t pgid; 729 char *name, state[20]; 730 731 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 732 (void)printf("0x%3x:%1x ", major(tp->t_dev), minor(tp->t_dev)); 733 else 734 (void)printf("%-7s ", name); 735 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 736 (void)printf("%3d %4d %3d %7d ", tp->t_outq.c_cc, 737 tp->t_hiwat, tp->t_lowat, tp->t_column); 738 for (i = j = 0; ttystates[i].flag; i++) 739 if (tp->t_state&ttystates[i].flag) 740 state[j++] = ttystates[i].val; 741 if (tp->t_wopen) 742 state[j++] = 'W'; 743 if (j == 0) 744 state[j++] = '-'; 745 state[j] = '\0'; 746 (void)printf("%-6s %8lX", state, (u_long)tp->t_session); 747 pgid = 0; 748 if (tp->t_pgrp != NULL) 749 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 750 (void)printf("%6d ", pgid); 751 switch (tp->t_line) { 752 case TTYDISC: 753 (void)printf("term\n"); 754 break; 755 case TABLDISC: 756 (void)printf("tab\n"); 757 break; 758 case SLIPDISC: 759 (void)printf("slip\n"); 760 break; 761 case PPPDISC: 762 (void)printf("ppp\n"); 763 break; 764 case STRIPDISC: 765 (void)printf("strip\n"); 766 break; 767 default: 768 (void)printf("%d\n", tp->t_line); 769 break; 770 } 771 } 772 773 void 774 filemode() 775 { 776 struct file *fp; 777 struct file *addr; 778 char *buf, flagbuf[16], *fbp; 779 int len, maxfile, nfile; 780 static char *dtypes[] = { "???", "inode", "socket" }; 781 782 KGET(FNL_MAXFILE, maxfile); 783 if (totalflag) { 784 KGET(FNL_NFILE, nfile); 785 (void)printf("%3d/%3d files\n", nfile, maxfile); 786 return; 787 } 788 if (getfiles(&buf, &len) == -1) 789 return; 790 /* 791 * Getfiles returns in malloc'd memory a pointer to the first file 792 * structure, and then an array of file structs (whose addresses are 793 * derivable from the previous entry). 794 */ 795 addr = ((struct filelist *)buf)->lh_first; 796 fp = (struct file *)(buf + sizeof(struct filelist)); 797 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 798 799 (void)printf("%d/%d open files\n", nfile, maxfile); 800 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 801 for (; (char *)fp < buf + len; addr = fp->f_list.le_next, fp++) { 802 if ((unsigned)fp->f_type > DTYPE_SOCKET) 803 continue; 804 (void)printf("%lx ", (long)addr); 805 (void)printf("%-8.8s", dtypes[fp->f_type]); 806 fbp = flagbuf; 807 if (fp->f_flag & FREAD) 808 *fbp++ = 'R'; 809 if (fp->f_flag & FWRITE) 810 *fbp++ = 'W'; 811 if (fp->f_flag & FAPPEND) 812 *fbp++ = 'A'; 813 #ifdef FSHLOCK /* currently gone */ 814 if (fp->f_flag & FSHLOCK) 815 *fbp++ = 'S'; 816 if (fp->f_flag & FEXLOCK) 817 *fbp++ = 'X'; 818 #endif 819 if (fp->f_flag & FASYNC) 820 *fbp++ = 'I'; 821 *fbp = '\0'; 822 (void)printf("%6s %3d", flagbuf, fp->f_count); 823 (void)printf(" %3d", fp->f_msgcount); 824 (void)printf(" %8.1lx", (long)fp->f_data); 825 if (fp->f_offset < 0) 826 (void)printf(" %qx\n", (long long)fp->f_offset); 827 else 828 (void)printf(" %qd\n", (long long)fp->f_offset); 829 } 830 free(buf); 831 } 832 833 int 834 getfiles(abuf, alen) 835 char **abuf; 836 int *alen; 837 { 838 size_t len; 839 int mib[2]; 840 char *buf; 841 842 /* 843 * XXX 844 * Add emulation of KINFO_FILE here. 845 */ 846 if (memf != NULL) 847 errx(1, "files on dead kernel, not implemented\n"); 848 849 mib[0] = CTL_KERN; 850 mib[1] = KERN_FILE; 851 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 852 warn("sysctl: KERN_FILE"); 853 return (-1); 854 } 855 if ((buf = malloc(len)) == NULL) 856 err(1, "malloc"); 857 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 858 warn("sysctl: KERN_FILE"); 859 return (-1); 860 } 861 *abuf = buf; 862 *alen = len; 863 return (0); 864 } 865 866 void 867 usage() 868 { 869 (void)fprintf(stderr, 870 "usage: pstat [-T|-f|-s|-t|-v] [-kn] [-M core] [-N system]\n"); 871 exit(1); 872 } 873
Indexes created Tue Sep 23 23:09:58 GMT 2025