pstat.c revision 1.33
1 /* $NetBSD: pstat.c,v 1.33 1997/10/17 06:34:22 mrg 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 #ifndef lint 37 static char copyright[] = 38 "@(#) 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 static char *rcsid = "$NetBSD: pstat.c,v 1.33 1997/10/17 06:34:22 mrg 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_MLOCK, "mlock" }, 138 { MNT_WAIT, "wait" }, 139 { MNT_MPBUSY, "mpbusy" }, 140 { MNT_MPWANT, "mpwant" }, 141 { MNT_UNMOUNT, "unmount" }, 142 { MNT_WANTRDWR, "wantrdwr" }, 143 { 0 } 144 }; 145 146 147 #define SVAR(var) __STRING(var) /* to force expansion */ 148 #define KGET(idx, var) \ 149 KGET1(idx, &var, sizeof(var), SVAR(var)) 150 #define KGET1(idx, p, s, msg) \ 151 KGET2(nl[idx].n_value, p, s, msg) 152 #define KGET2(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 #define KGETRET(addr, p, s, msg) \ 156 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 157 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 158 return (0); \ 159 } 160 161 void filemode __P((void)); 162 int getfiles __P((char **, int *)); 163 struct mount * 164 getmnt __P((struct mount *)); 165 struct e_vnode * 166 kinfo_vnodes __P((int *)); 167 struct e_vnode * 168 loadvnodes __P((int *)); 169 void mount_print __P((struct mount *)); 170 void nfs_header __P((void)); 171 int nfs_print __P((struct vnode *)); 172 void ttymode __P((void)); 173 void ttyprt __P((struct tty *)); 174 void ufs_getflags __P((struct vnode *, struct inode *, char *)); 175 void ufs_header __P((void)); 176 int ufs_print __P((struct vnode *)); 177 int ext2fs_print __P((struct vnode *)); 178 void union_header __P((void)); 179 int union_print __P((struct vnode *)); 180 void usage __P((void)); 181 void vnode_header __P((void)); 182 void vnode_print __P((struct vnode *, struct vnode *)); 183 void vnodemode __P((void)); 184 185 int 186 main(argc, argv) 187 int argc; 188 char *argv[]; 189 { 190 extern char *optarg; 191 extern int optind; 192 int ch, i, quit, ret; 193 int fileflag, swapflag, ttyflag, vnodeflag; 194 char buf[_POSIX2_LINE_MAX]; 195 196 fileflag = swapflag = ttyflag = vnodeflag = 0; 197 while ((ch = getopt(argc, argv, "TM:N:fiknstv")) != -1) 198 switch (ch) { 199 case 'f': 200 fileflag = 1; 201 break; 202 case 'M': 203 memf = optarg; 204 break; 205 case 'N': 206 nlistf = optarg; 207 break; 208 case 'n': 209 usenumflag = 1; 210 break; 211 case 's': 212 swapflag = 1; 213 break; 214 case 'T': 215 totalflag = 1; 216 break; 217 case 't': 218 ttyflag = 1; 219 break; 220 case 'k': 221 kflag = 1; 222 break; 223 case 'v': 224 case 'i': /* Backward compatibility. */ 225 vnodeflag = 1; 226 break; 227 default: 228 usage(); 229 } 230 argc -= optind; 231 argv += optind; 232 233 /* 234 * Discard setgid privileges if not the running kernel so that bad 235 * guys can't print interesting stuff from kernel memory. 236 */ 237 if (nlistf != NULL || memf != NULL) 238 (void)setgid(getgid()); 239 240 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 241 errx(1, "kvm_openfiles: %s", buf); 242 if ((ret = kvm_nlist(kd, nl)) != 0) { 243 if (ret == -1) 244 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 245 for (i = quit = 0; i <= NLMANDATORY; i++) 246 if (!nl[i].n_value) { 247 quit = 1; 248 warnx("undefined symbol: %s", nl[i].n_name); 249 } 250 if (quit) 251 exit(1); 252 } 253 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 254 usage(); 255 if (fileflag || totalflag) 256 filemode(); 257 if (vnodeflag || totalflag) 258 vnodemode(); 259 if (ttyflag) 260 ttymode(); 261 if (swapflag || totalflag) 262 list_swap(0, kflag, 0, totalflag, 1); 263 exit (0); 264 } 265 266 struct e_vnode { 267 struct vnode *avnode; 268 struct vnode vnode; 269 }; 270 271 void 272 vnodemode() 273 { 274 struct e_vnode *e_vnodebase, *endvnode, *evp; 275 struct vnode *vp; 276 struct mount *maddr, *mp; 277 int numvnodes; 278 279 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"); 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("%8x %s %5s %4d %4d", 394 avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 395 } 396 397 void 398 ufs_getflags(vp, ip, flags) 399 struct vnode *vp; 400 struct inode *ip; 401 char *flags; 402 { 403 register int flag; 404 405 flag = ip->i_flag; 406 if (flag & IN_LOCKED) 407 *flags++ = 'L'; 408 if (flag & IN_WANTED) 409 *flags++ = 'W'; 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 & IN_LWAIT) 425 *flags++ = 'Z'; 426 if (flag == 0) 427 *flags++ = '-'; 428 *flags = '\0'; 429 430 } 431 432 void 433 ufs_header() 434 { 435 (void)printf(" FILEID IFLAG RDEV|SZ"); 436 } 437 438 int 439 ufs_print(vp) 440 struct vnode *vp; 441 { 442 struct inode inode, *ip = &inode; 443 char flagbuf[16]; 444 char *name; 445 mode_t type; 446 447 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 448 ufs_getflags(vp, ip, flagbuf); 449 (void)printf(" %6d %5s", ip->i_number, flagbuf); 450 type = ip->i_ffs_mode & S_IFMT; 451 if (S_ISCHR(ip->i_ffs_mode) || S_ISBLK(ip->i_ffs_mode)) 452 if (usenumflag || ((name = devname(ip->i_ffs_rdev, type)) == NULL)) 453 (void)printf(" %2d,%-2d", 454 major(ip->i_ffs_rdev), minor(ip->i_ffs_rdev)); 455 else 456 (void)printf(" %7s", name); 457 else 458 (void)printf(" %7qd", ip->i_ffs_size); 459 return (0); 460 } 461 462 int 463 ext2fs_print(vp) 464 struct vnode *vp; 465 { 466 struct inode inode, *ip = &inode; 467 char flagbuf[16]; 468 char *name; 469 mode_t type; 470 471 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 472 ufs_getflags(vp, ip, flagbuf); 473 (void)printf(" %6d %5s", ip->i_number, flagbuf); 474 type = ip->i_e2fs_mode & S_IFMT; 475 if (S_ISCHR(ip->i_e2fs_mode) || S_ISBLK(ip->i_e2fs_mode)) 476 if (usenumflag || ((name = devname(ip->i_din.e2fs_din.e2di_rdev, 477 type)) == NULL)) 478 (void)printf(" %2d,%-2d", 479 major(ip->i_din.e2fs_din.e2di_rdev), 480 minor(ip->i_din.e2fs_din.e2di_rdev)); 481 else 482 (void)printf(" %7s", name); 483 else 484 (void)printf(" %7u", (u_int)ip->i_e2fs_size); 485 return (0); 486 } 487 488 void 489 nfs_header() 490 { 491 (void)printf(" FILEID NFLAG RDEV|SZ"); 492 } 493 494 int 495 nfs_print(vp) 496 struct vnode *vp; 497 { 498 struct nfsnode nfsnode, *np = &nfsnode; 499 char flagbuf[16], *flags = flagbuf; 500 int flag; 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 #define VT np->n_vattr 525 (void)printf(" %6d %5s", VT.va_fileid, flagbuf); 526 type = VT.va_mode & S_IFMT; 527 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 528 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 529 (void)printf(" %2d,%-2d", 530 major(VT.va_rdev), minor(VT.va_rdev)); 531 else 532 (void)printf(" %7s", name); 533 else 534 (void)printf(" %7qd", 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(" %8x %8x", up->un_uppervp, 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, NULL); 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 const char *type; 589 590 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 591 ST.f_mntfromname, ST.f_mntonname); 592 if (flags = mp->mnt_flag) { 593 int i; 594 const char *sep = " ("; 595 596 for (i = 0; mnt_flags[i].m_flag; i++) { 597 if (flags & mnt_flags[i].m_flag) { 598 (void)printf("%s%s", sep, mnt_flags[i].m_name); 599 flags &= ~mnt_flags[i].m_flag; 600 sep = ","; 601 } 602 } 603 if (flags) 604 (void)printf("%sunknown_flags:%x", sep, flags); 605 (void)printf(")"); 606 } 607 (void)printf("\n"); 608 } 609 610 struct e_vnode * 611 loadvnodes(avnodes) 612 int *avnodes; 613 { 614 int mib[2]; 615 size_t copysize; 616 struct e_vnode *vnodebase; 617 618 if (memf != NULL) { 619 /* 620 * do it by hand 621 */ 622 return (kinfo_vnodes(avnodes)); 623 } 624 mib[0] = CTL_KERN; 625 mib[1] = KERN_VNODE; 626 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 627 err(1, "sysctl: KERN_VNODE"); 628 if ((vnodebase = malloc(copysize)) == NULL) 629 err(1, NULL); 630 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 631 err(1, "sysctl: KERN_VNODE"); 632 if (copysize % sizeof(struct e_vnode)) 633 errx(1, "vnode size mismatch"); 634 *avnodes = copysize / sizeof(struct e_vnode); 635 636 return (vnodebase); 637 } 638 639 /* 640 * simulate what a running kernel does in in kinfo_vnode 641 */ 642 struct e_vnode * 643 kinfo_vnodes(avnodes) 644 int *avnodes; 645 { 646 struct mntlist mountlist; 647 struct mount *mp, mount; 648 struct vnode *vp, vnode; 649 char *vbuf, *evbuf, *bp; 650 int num, numvnodes; 651 652 #define VPTRSZ sizeof(struct vnode *) 653 #define VNODESZ sizeof(struct vnode) 654 655 KGET(V_NUMV, numvnodes); 656 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 657 err(1, NULL); 658 bp = vbuf; 659 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 660 KGET(V_MOUNTLIST, mountlist); 661 for (num = 0, mp = mountlist.cqh_first; ; mp = mount.mnt_list.cqe_next) { 662 KGET2(mp, &mount, sizeof(mount), "mount entry"); 663 for (vp = mount.mnt_vnodelist.lh_first; 664 vp != NULL; vp = vnode.v_mntvnodes.le_next) { 665 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 666 if ((bp + VPTRSZ + VNODESZ) > evbuf) 667 /* XXX - should realloc */ 668 errx(1, "no more room for vnodes"); 669 memmove(bp, &vp, VPTRSZ); 670 bp += VPTRSZ; 671 memmove(bp, &vnode, VNODESZ); 672 bp += VNODESZ; 673 num++; 674 } 675 if (mp == mountlist.cqh_last) 676 break; 677 } 678 *avnodes = num; 679 return ((struct e_vnode *)vbuf); 680 } 681 682 char hdr[]=" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 683 int ttyspace = 128; 684 685 void 686 ttymode() 687 { 688 int ntty, i; 689 struct ttylist_head tty_head; 690 struct tty *tp, tty; 691 692 KGET(TTY_NTTY, ntty); 693 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 694 KGET(TTY_TTYLIST, tty_head); 695 (void)printf(hdr); 696 for (tp = tty_head.tqh_first; tp; tp = tty.tty_link.tqe_next) { 697 KGET2(tp, &tty, sizeof tty, "tty struct"); 698 ttyprt(&tty); 699 } 700 } 701 702 struct { 703 int flag; 704 char val; 705 } ttystates[] = { 706 { TS_WOPEN, 'W'}, 707 { TS_ISOPEN, 'O'}, 708 { TS_CARR_ON, 'C'}, 709 { TS_TIMEOUT, 'T'}, 710 { TS_FLUSH, 'F'}, 711 { TS_BUSY, 'B'}, 712 { TS_ASLEEP, 'A'}, 713 { TS_XCLUDE, 'X'}, 714 { TS_TTSTOP, 'S'}, 715 { TS_TBLOCK, 'K'}, 716 { TS_ASYNC, 'Y'}, 717 { TS_BKSL, 'D'}, 718 { TS_ERASE, 'E'}, 719 { TS_LNCH, 'L'}, 720 { TS_TYPEN, 'P'}, 721 { TS_CNTTB, 'N'}, 722 { 0, '\0'}, 723 }; 724 725 void 726 ttyprt(tp) 727 struct tty *tp; 728 { 729 int i, j; 730 pid_t pgid; 731 char *name, state[20]; 732 733 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 734 (void)printf("0x%3x:%1x ", major(tp->t_dev), minor(tp->t_dev)); 735 else 736 (void)printf("%-7s ", name); 737 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 738 (void)printf("%3d %4d %3d %7d ", tp->t_outq.c_cc, 739 tp->t_hiwat, tp->t_lowat, tp->t_column); 740 for (i = j = 0; ttystates[i].flag; i++) 741 if (tp->t_state&ttystates[i].flag) 742 state[j++] = ttystates[i].val; 743 if (j == 0) 744 state[j++] = '-'; 745 state[j] = '\0'; 746 (void)printf("%-6s %8x", 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("%x ", 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(" %8.1x", fp->f_data); 825 if (fp->f_offset < 0) 826 (void)printf(" %qx\n", fp->f_offset); 827 else 828 (void)printf(" %qd\n", 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, NULL); 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 Wed Sep 24 15:09:51 GMT 2025