pstat.c revision 1.43
1 /* $NetBSD: pstat.c,v 1.43 1998/06/26 19:52:29 tv 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 1.43 1998/06/26 19:52:29 tv 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_EXRDONLY, "exrdonly" }, 127 { MNT_EXPORTED, "exported" }, 128 { MNT_DEFEXPORTED, "defexported" }, 129 { MNT_EXPORTANON, "exportanon" }, 130 { MNT_EXKERB, "exkerb" }, 131 { MNT_LOCAL, "local" }, 132 { MNT_QUOTA, "quota" }, 133 { MNT_ROOTFS, "rootfs" }, 134 { MNT_UPDATE, "update" }, 135 { MNT_DELEXPORT, "delexport" }, 136 { MNT_RELOAD, "reload" }, 137 { MNT_FORCE, "force" }, 138 { MNT_MWAIT, "wait" }, 139 { MNT_UNMOUNT, "unmount" }, 140 { MNT_WANTRDWR, "wantrdwr" }, 141 { 0 } 142 }; 143 144 145 #define SVAR(var) __STRING(var) /* to force expansion */ 146 #define KGET(idx, var) \ 147 KGET1(idx, &var, sizeof(var), SVAR(var)) 148 #define KGET1(idx, p, s, msg) \ 149 KGET2(nl[idx].n_value, p, s, msg) 150 #define KGET2(addr, p, s, msg) \ 151 if (kvm_read(kd, (u_long)(addr), p, s) != s) \ 152 warnx("cannot read %s: %s", msg, kvm_geterr(kd)) 153 #define KGETRET(addr, p, s, msg) \ 154 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 155 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 156 return (0); \ 157 } 158 159 void filemode __P((void)); 160 int getfiles __P((char **, int *)); 161 struct mount * 162 getmnt __P((struct mount *)); 163 struct e_vnode * 164 kinfo_vnodes __P((int *)); 165 struct e_vnode * 166 loadvnodes __P((int *)); 167 int main __P((int, char **)); 168 void mount_print __P((struct mount *)); 169 void nfs_header __P((void)); 170 int nfs_print __P((struct vnode *)); 171 void ttymode __P((void)); 172 void ttyprt __P((struct tty *)); 173 void ufs_getflags __P((struct vnode *, struct inode *, char *)); 174 void ufs_header __P((void)); 175 int ufs_print __P((struct vnode *)); 176 int ext2fs_print __P((struct vnode *)); 177 void union_header __P((void)); 178 int union_print __P((struct vnode *)); 179 void usage __P((void)); 180 void vnode_header __P((void)); 181 void vnode_print __P((struct vnode *, struct vnode *)); 182 void vnodemode __P((void)); 183 184 int 185 main(argc, argv) 186 int argc; 187 char *argv[]; 188 { 189 extern char *optarg; 190 extern int optind; 191 int ch, i, quit, ret; 192 int fileflag, swapflag, ttyflag, vnodeflag; 193 char buf[_POSIX2_LINE_MAX]; 194 195 fileflag = swapflag = ttyflag = vnodeflag = 0; 196 while ((ch = getopt(argc, argv, "TM:N:fiknstv")) != -1) 197 switch (ch) { 198 case 'f': 199 fileflag = 1; 200 break; 201 case 'M': 202 memf = optarg; 203 break; 204 case 'N': 205 nlistf = optarg; 206 break; 207 case 'n': 208 usenumflag = 1; 209 break; 210 case 's': 211 swapflag = 1; 212 break; 213 case 'T': 214 totalflag = 1; 215 break; 216 case 't': 217 ttyflag = 1; 218 break; 219 case 'k': 220 kflag = 1; 221 break; 222 case 'v': 223 case 'i': /* Backward compatibility. */ 224 vnodeflag = 1; 225 break; 226 default: 227 usage(); 228 } 229 argc -= optind; 230 argv += optind; 231 232 /* 233 * Discard setgid privileges if not the running kernel so that bad 234 * guys can't print interesting stuff from kernel memory. 235 */ 236 if (nlistf != NULL || memf != NULL) 237 (void)setgid(getgid()); 238 239 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 240 errx(1, "kvm_openfiles: %s", buf); 241 if ((ret = kvm_nlist(kd, nl)) != 0) { 242 if (ret == -1) 243 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 244 for (i = quit = 0; i <= NLMANDATORY; i++) 245 if (!nl[i].n_value) { 246 quit = 1; 247 warnx("undefined symbol: %s", nl[i].n_name); 248 } 249 if (quit) 250 exit(1); 251 } 252 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 253 usage(); 254 if (fileflag || totalflag) 255 filemode(); 256 if (vnodeflag || totalflag) 257 vnodemode(); 258 if (ttyflag) 259 ttymode(); 260 if (swapflag || totalflag) 261 list_swap(0, kflag, 0, totalflag, 1); 262 exit (0); 263 } 264 265 struct e_vnode { 266 struct vnode *avnode; 267 struct vnode vnode; 268 }; 269 270 void 271 vnodemode() 272 { 273 struct e_vnode *e_vnodebase, *endvnode, *evp; 274 struct vnode *vp; 275 struct mount *maddr, *mp; 276 int numvnodes; 277 278 mp = NULL; 279 e_vnodebase = loadvnodes(&numvnodes); 280 if (totalflag) { 281 (void)printf("%7d vnodes\n", numvnodes); 282 return; 283 } 284 endvnode = e_vnodebase + numvnodes; 285 (void)printf("%d active vnodes\n", numvnodes); 286 287 288 #define ST mp->mnt_stat 289 maddr = NULL; 290 for (evp = e_vnodebase; evp < endvnode; evp++) { 291 vp = &evp->vnode; 292 if (vp->v_mount != maddr) { 293 /* 294 * New filesystem 295 */ 296 if ((mp = getmnt(vp->v_mount)) == NULL) 297 continue; 298 maddr = vp->v_mount; 299 mount_print(mp); 300 vnode_header(); 301 if (!strncmp(ST.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 302 !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) 303 ufs_header(); 304 else if (!strncmp(ST.f_fstypename, MOUNT_NFS, 305 MFSNAMELEN)) 306 nfs_header(); 307 else if (!strncmp(ST.f_fstypename, MOUNT_EXT2FS, 308 MFSNAMELEN)) 309 ufs_header(); 310 else if (!strcmp(ST.f_fstypename, "union")) 311 union_header(); 312 (void)printf("\n"); 313 } 314 vnode_print(evp->avnode, vp); 315 if (!strncmp(ST.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 316 !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 317 ufs_print(vp); 318 } else if (!strncmp(ST.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { 319 nfs_print(vp); 320 } else if (!strncmp(ST.f_fstypename, MOUNT_EXT2FS, MFSNAMELEN)) { 321 ext2fs_print(vp); 322 } 323 (void)printf("\n"); 324 } 325 free(e_vnodebase); 326 } 327 328 void 329 vnode_header() 330 { 331 (void)printf("ADDR TYP VFLAG USE HOLD TAG"); 332 } 333 334 void 335 vnode_print(avnode, vp) 336 struct vnode *avnode; 337 struct vnode *vp; 338 { 339 char *type, flags[16]; 340 char *fp = flags; 341 int flag; 342 343 /* 344 * set type 345 */ 346 switch (vp->v_type) { 347 case VNON: 348 type = "non"; break; 349 case VREG: 350 type = "reg"; break; 351 case VDIR: 352 type = "dir"; break; 353 case VBLK: 354 type = "blk"; break; 355 case VCHR: 356 type = "chr"; break; 357 case VLNK: 358 type = "lnk"; break; 359 case VSOCK: 360 type = "soc"; break; 361 case VFIFO: 362 type = "fif"; break; 363 case VBAD: 364 type = "bad"; break; 365 default: 366 type = "unk"; break; 367 } 368 /* 369 * gather flags 370 */ 371 flag = vp->v_flag; 372 if (flag & VROOT) 373 *fp++ = 'R'; 374 if (flag & VTEXT) 375 *fp++ = 'T'; 376 if (flag & VSYSTEM) 377 *fp++ = 'S'; 378 if (flag & VISTTY) 379 *fp++ = 'I'; 380 if (flag & VXLOCK) 381 *fp++ = 'L'; 382 if (flag & VXWANT) 383 *fp++ = 'W'; 384 if (flag & VBWAIT) 385 *fp++ = 'B'; 386 if (flag & VALIASED) 387 *fp++ = 'A'; 388 if (flag & VDIROP) 389 *fp++ = 'D'; 390 if (flag == 0) 391 *fp++ = '-'; 392 *fp = '\0'; 393 (void)printf("%8lx %s %5s %4d %4ld %4d", 394 (long)avnode, type, flags, vp->v_usecount, (long)vp->v_holdcnt, 395 vp->v_tag); 396 } 397 398 void 399 ufs_getflags(vp, ip, flags) 400 struct vnode *vp; 401 struct inode *ip; 402 char *flags; 403 { 404 int flag; 405 406 /* 407 * XXX need to to locking state. 408 */ 409 410 flag = ip->i_flag; 411 if (flag & IN_RENAME) 412 *flags++ = 'R'; 413 if (flag & IN_UPDATE) 414 *flags++ = 'U'; 415 if (flag & IN_ACCESS) 416 *flags++ = 'A'; 417 if (flag & IN_CHANGE) 418 *flags++ = 'C'; 419 if (flag & IN_MODIFIED) 420 *flags++ = 'M'; 421 if (flag & IN_SHLOCK) 422 *flags++ = 'S'; 423 if (flag & IN_EXLOCK) 424 *flags++ = 'E'; 425 if (flag == 0) 426 *flags++ = '-'; 427 *flags = '\0'; 428 429 } 430 431 void 432 ufs_header() 433 { 434 (void)printf(" FILEID IFLAG RDEV|SZ"); 435 } 436 437 int 438 ufs_print(vp) 439 struct vnode *vp; 440 { 441 struct inode inode, *ip = &inode; 442 char flagbuf[16]; 443 char *name; 444 mode_t type; 445 446 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 447 ufs_getflags(vp, ip, flagbuf); 448 (void)printf(" %6d %5s", ip->i_number, flagbuf); 449 type = ip->i_ffs_mode & S_IFMT; 450 if (S_ISCHR(ip->i_ffs_mode) || S_ISBLK(ip->i_ffs_mode)) 451 if (usenumflag || ((name = devname(ip->i_ffs_rdev, type)) == NULL)) 452 (void)printf(" %2d,%-2d", 453 major(ip->i_ffs_rdev), minor(ip->i_ffs_rdev)); 454 else 455 (void)printf(" %7s", name); 456 else 457 (void)printf(" %7qd", (long long)ip->i_ffs_size); 458 return (0); 459 } 460 461 int 462 ext2fs_print(vp) 463 struct vnode *vp; 464 { 465 struct inode inode, *ip = &inode; 466 char flagbuf[16]; 467 char *name; 468 mode_t type; 469 470 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 471 ufs_getflags(vp, ip, flagbuf); 472 (void)printf(" %6d %5s", ip->i_number, flagbuf); 473 type = ip->i_e2fs_mode & S_IFMT; 474 if (S_ISCHR(ip->i_e2fs_mode) || S_ISBLK(ip->i_e2fs_mode)) 475 if (usenumflag || ((name = devname(ip->i_din.e2fs_din.e2di_rdev, 476 type)) == NULL)) 477 (void)printf(" %2d,%-2d", 478 major(ip->i_din.e2fs_din.e2di_rdev), 479 minor(ip->i_din.e2fs_din.e2di_rdev)); 480 else 481 (void)printf(" %7s", name); 482 else 483 (void)printf(" %7u", (u_int)ip->i_e2fs_size); 484 return (0); 485 } 486 487 void 488 nfs_header() 489 { 490 (void)printf(" FILEID NFLAG RDEV|SZ"); 491 } 492 493 int 494 nfs_print(vp) 495 struct vnode *vp; 496 { 497 struct nfsnode nfsnode, *np = &nfsnode; 498 char flagbuf[16], *flags = flagbuf; 499 int flag; 500 struct vattr va; 501 char *name; 502 mode_t type; 503 504 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 505 flag = np->n_flag; 506 if (flag & NFLUSHWANT) 507 *flags++ = 'W'; 508 if (flag & NFLUSHINPROG) 509 *flags++ = 'P'; 510 if (flag & NMODIFIED) 511 *flags++ = 'M'; 512 if (flag & NWRITEERR) 513 *flags++ = 'E'; 514 if (flag & NQNFSNONCACHE) 515 *flags++ = 'X'; 516 if (flag & NQNFSWRITE) 517 *flags++ = 'O'; 518 if (flag & NQNFSEVICTED) 519 *flags++ = 'G'; 520 if (flag == 0) 521 *flags++ = '-'; 522 *flags = '\0'; 523 524 KGETRET(np->n_vattr, &va, sizeof(va), "vnode attr"); 525 (void)printf(" %6ld %5s", (long)va.va_fileid, flagbuf); 526 type = va.va_mode & S_IFMT; 527 if (S_ISCHR(va.va_mode) || S_ISBLK(va.va_mode)) 528 if (usenumflag || ((name = devname(va.va_rdev, type)) == NULL)) 529 (void)printf(" %2d,%-2d", 530 major(va.va_rdev), minor(va.va_rdev)); 531 else 532 (void)printf(" %7s", name); 533 else 534 (void)printf(" %7qd", (long long)np->n_size); 535 return (0); 536 } 537 538 void 539 union_header() 540 { 541 (void)printf(" UPPER LOWER"); 542 } 543 544 int 545 union_print(vp) 546 struct vnode *vp; 547 { 548 struct union_node unode, *up = &unode; 549 550 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 551 552 (void)printf(" %8lx %8lx", (long)up->un_uppervp, (long)up->un_lowervp); 553 return (0); 554 } 555 556 /* 557 * Given a pointer to a mount structure in kernel space, 558 * read it in and return a usable pointer to it. 559 */ 560 struct mount * 561 getmnt(maddr) 562 struct mount *maddr; 563 { 564 static struct mtab { 565 struct mtab *next; 566 struct mount *maddr; 567 struct mount mount; 568 } *mhead = NULL; 569 struct mtab *mt; 570 571 for (mt = mhead; mt != NULL; mt = mt->next) 572 if (maddr == mt->maddr) 573 return (&mt->mount); 574 if ((mt = malloc(sizeof(struct mtab))) == NULL) 575 err(1, "malloc"); 576 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 577 mt->maddr = maddr; 578 mt->next = mhead; 579 mhead = mt; 580 return (&mt->mount); 581 } 582 583 void 584 mount_print(mp) 585 struct mount *mp; 586 { 587 int flags; 588 589 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 590 ST.f_mntfromname, ST.f_mntonname); 591 if ((flags = mp->mnt_flag) != 0) { 592 int i; 593 const char *sep = " ("; 594 595 for (i = 0; mnt_flags[i].m_flag; i++) { 596 if (flags & mnt_flags[i].m_flag) { 597 (void)printf("%s%s", sep, mnt_flags[i].m_name); 598 flags &= ~mnt_flags[i].m_flag; 599 sep = ","; 600 } 601 } 602 if (flags) 603 (void)printf("%sunknown_flags:%x", sep, flags); 604 (void)printf(")"); 605 } 606 (void)printf("\n"); 607 } 608 609 struct e_vnode * 610 loadvnodes(avnodes) 611 int *avnodes; 612 { 613 int mib[2]; 614 size_t copysize; 615 struct e_vnode *vnodebase; 616 617 if (memf != NULL) { 618 /* 619 * do it by hand 620 */ 621 return (kinfo_vnodes(avnodes)); 622 } 623 mib[0] = CTL_KERN; 624 mib[1] = KERN_VNODE; 625 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 626 err(1, "sysctl: KERN_VNODE"); 627 if ((vnodebase = malloc(copysize)) == NULL) 628 err(1, "malloc"); 629 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 630 err(1, "sysctl: KERN_VNODE"); 631 if (copysize % sizeof(struct e_vnode)) 632 errx(1, "vnode size mismatch"); 633 *avnodes = copysize / sizeof(struct e_vnode); 634 635 return (vnodebase); 636 } 637 638 /* 639 * simulate what a running kernel does in in kinfo_vnode 640 */ 641 struct e_vnode * 642 kinfo_vnodes(avnodes) 643 int *avnodes; 644 { 645 struct mntlist mountlist; 646 struct mount *mp, mount; 647 struct vnode *vp, vnode; 648 char *vbuf, *evbuf, *bp; 649 int num, numvnodes; 650 651 #define VPTRSZ sizeof(struct vnode *) 652 #define VNODESZ sizeof(struct vnode) 653 654 KGET(V_NUMV, numvnodes); 655 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 656 err(1, "malloc"); 657 bp = vbuf; 658 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 659 KGET(V_MOUNTLIST, mountlist); 660 for (num = 0, mp = mountlist.cqh_first; ; mp = mount.mnt_list.cqe_next) { 661 KGET2(mp, &mount, sizeof(mount), "mount entry"); 662 for (vp = mount.mnt_vnodelist.lh_first; 663 vp != NULL; vp = vnode.v_mntvnodes.le_next) { 664 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 665 if ((bp + VPTRSZ + VNODESZ) > evbuf) 666 /* XXX - should realloc */ 667 errx(1, "no more room for vnodes"); 668 memmove(bp, &vp, VPTRSZ); 669 bp += VPTRSZ; 670 memmove(bp, &vnode, VNODESZ); 671 bp += VNODESZ; 672 num++; 673 } 674 if (mp == mountlist.cqh_last) 675 break; 676 } 677 *avnodes = num; 678 return ((struct e_vnode *)vbuf); 679 } 680 681 char hdr[]=" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 682 int ttyspace = 128; 683 684 void 685 ttymode() 686 { 687 int ntty; 688 struct ttylist_head tty_head; 689 struct tty *tp, tty; 690 691 KGET(TTY_NTTY, ntty); 692 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 693 KGET(TTY_TTYLIST, tty_head); 694 (void)printf(hdr); 695 for (tp = tty_head.tqh_first; tp; tp = tty.tty_link.tqe_next) { 696 KGET2(tp, &tty, sizeof tty, "tty struct"); 697 ttyprt(&tty); 698 } 699 } 700 701 struct { 702 int flag; 703 char val; 704 } ttystates[] = { 705 { TS_ISOPEN, 'O'}, 706 { TS_DIALOUT, '>'}, 707 { TS_CARR_ON, 'C'}, 708 { TS_TIMEOUT, 'T'}, 709 { TS_FLUSH, 'F'}, 710 { TS_BUSY, 'B'}, 711 { TS_ASLEEP, 'A'}, 712 { TS_XCLUDE, 'X'}, 713 { TS_TTSTOP, 'S'}, 714 { TS_TBLOCK, 'K'}, 715 { TS_ASYNC, 'Y'}, 716 { TS_BKSL, 'D'}, 717 { TS_ERASE, 'E'}, 718 { TS_LNCH, 'L'}, 719 { TS_TYPEN, 'P'}, 720 { TS_CNTTB, 'N'}, 721 { 0, '\0'}, 722 }; 723 724 void 725 ttyprt(tp) 726 struct tty *tp; 727 { 728 int i, j; 729 pid_t pgid; 730 char *name, state[20]; 731 732 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 733 (void)printf("0x%3x:%1x ", major(tp->t_dev), minor(tp->t_dev)); 734 else 735 (void)printf("%-7s ", name); 736 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 737 (void)printf("%3d %4d %3d %7d ", tp->t_outq.c_cc, 738 tp->t_hiwat, tp->t_lowat, tp->t_column); 739 for (i = j = 0; ttystates[i].flag; i++) 740 if (tp->t_state&ttystates[i].flag) 741 state[j++] = ttystates[i].val; 742 if (tp->t_wopen) 743 state[j++] = 'W'; 744 if (j == 0) 745 state[j++] = '-'; 746 state[j] = '\0'; 747 (void)printf("%-6s %8lX", state, (u_long)tp->t_session); 748 pgid = 0; 749 if (tp->t_pgrp != NULL) 750 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 751 (void)printf("%6d ", pgid); 752 switch (tp->t_line) { 753 case TTYDISC: 754 (void)printf("term\n"); 755 break; 756 case TABLDISC: 757 (void)printf("tab\n"); 758 break; 759 case SLIPDISC: 760 (void)printf("slip\n"); 761 break; 762 case PPPDISC: 763 (void)printf("ppp\n"); 764 break; 765 case STRIPDISC: 766 (void)printf("strip\n"); 767 break; 768 default: 769 (void)printf("%d\n", tp->t_line); 770 break; 771 } 772 } 773 774 void 775 filemode() 776 { 777 struct file *fp; 778 struct file *addr; 779 char *buf, flagbuf[16], *fbp; 780 int len, maxfile, nfile; 781 static char *dtypes[] = { "???", "inode", "socket" }; 782 783 KGET(FNL_MAXFILE, maxfile); 784 if (totalflag) { 785 KGET(FNL_NFILE, nfile); 786 (void)printf("%3d/%3d files\n", nfile, maxfile); 787 return; 788 } 789 if (getfiles(&buf, &len) == -1) 790 return; 791 /* 792 * Getfiles returns in malloc'd memory a pointer to the first file 793 * structure, and then an array of file structs (whose addresses are 794 * derivable from the previous entry). 795 */ 796 addr = ((struct filelist *)buf)->lh_first; 797 fp = (struct file *)(buf + sizeof(struct filelist)); 798 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 799 800 (void)printf("%d/%d open files\n", nfile, maxfile); 801 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 802 for (; (char *)fp < buf + len; addr = fp->f_list.le_next, fp++) { 803 if ((unsigned)fp->f_type > DTYPE_SOCKET) 804 continue; 805 (void)printf("%lx ", (long)addr); 806 (void)printf("%-8.8s", dtypes[fp->f_type]); 807 fbp = flagbuf; 808 if (fp->f_flag & FREAD) 809 *fbp++ = 'R'; 810 if (fp->f_flag & FWRITE) 811 *fbp++ = 'W'; 812 if (fp->f_flag & FAPPEND) 813 *fbp++ = 'A'; 814 #ifdef FSHLOCK /* currently gone */ 815 if (fp->f_flag & FSHLOCK) 816 *fbp++ = 'S'; 817 if (fp->f_flag & FEXLOCK) 818 *fbp++ = 'X'; 819 #endif 820 if (fp->f_flag & FASYNC) 821 *fbp++ = 'I'; 822 *fbp = '\0'; 823 (void)printf("%6s %3d", flagbuf, fp->f_count); 824 (void)printf(" %3d", fp->f_msgcount); 825 (void)printf(" %8.1lx", (long)fp->f_data); 826 if (fp->f_offset < 0) 827 (void)printf(" %qx\n", (long long)fp->f_offset); 828 else 829 (void)printf(" %qd\n", (long long)fp->f_offset); 830 } 831 free(buf); 832 } 833 834 int 835 getfiles(abuf, alen) 836 char **abuf; 837 int *alen; 838 { 839 size_t len; 840 int mib[2]; 841 char *buf; 842 843 /* 844 * XXX 845 * Add emulation of KINFO_FILE here. 846 */ 847 if (memf != NULL) 848 errx(1, "files on dead kernel, not implemented\n"); 849 850 mib[0] = CTL_KERN; 851 mib[1] = KERN_FILE; 852 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 853 warn("sysctl: KERN_FILE"); 854 return (-1); 855 } 856 if ((buf = malloc(len)) == NULL) 857 err(1, "malloc"); 858 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 859 warn("sysctl: KERN_FILE"); 860 return (-1); 861 } 862 *abuf = buf; 863 *alen = len; 864 return (0); 865 } 866 867 void 868 usage() 869 { 870 (void)fprintf(stderr, 871 "usage: pstat [-T|-f|-s|-t|-v] [-kn] [-M core] [-N system]\n"); 872 exit(1); 873 } 874
Indexes created Tue Sep 23 20:09:58 GMT 2025