pstat.c revision 1.35
1 /* $NetBSD: pstat.c,v 1.35 1997/10/18 11:06:52 lukem 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 1.35 1997/10/18 11:06:52 lukem 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 int main __P((int, char **)); 170 void mount_print __P((struct mount *)); 171 void nfs_header __P((void)); 172 int nfs_print __P((struct vnode *)); 173 void ttymode __P((void)); 174 void ttyprt __P((struct tty *)); 175 void ufs_getflags __P((struct vnode *, struct inode *, char *)); 176 void ufs_header __P((void)); 177 int ufs_print __P((struct vnode *)); 178 int ext2fs_print __P((struct vnode *)); 179 void union_header __P((void)); 180 int union_print __P((struct vnode *)); 181 void usage __P((void)); 182 void vnode_header __P((void)); 183 void vnode_print __P((struct vnode *, struct vnode *)); 184 void vnodemode __P((void)); 185 186 int 187 main(argc, argv) 188 int argc; 189 char *argv[]; 190 { 191 extern char *optarg; 192 extern int optind; 193 int ch, i, quit, ret; 194 int fileflag, swapflag, ttyflag, vnodeflag; 195 char buf[_POSIX2_LINE_MAX]; 196 197 fileflag = swapflag = ttyflag = vnodeflag = 0; 198 while ((ch = getopt(argc, argv, "TM:N:fiknstv")) != -1) 199 switch (ch) { 200 case 'f': 201 fileflag = 1; 202 break; 203 case 'M': 204 memf = optarg; 205 break; 206 case 'N': 207 nlistf = optarg; 208 break; 209 case 'n': 210 usenumflag = 1; 211 break; 212 case 's': 213 swapflag = 1; 214 break; 215 case 'T': 216 totalflag = 1; 217 break; 218 case 't': 219 ttyflag = 1; 220 break; 221 case 'k': 222 kflag = 1; 223 break; 224 case 'v': 225 case 'i': /* Backward compatibility. */ 226 vnodeflag = 1; 227 break; 228 default: 229 usage(); 230 } 231 argc -= optind; 232 argv += optind; 233 234 /* 235 * Discard setgid privileges if not the running kernel so that bad 236 * guys can't print interesting stuff from kernel memory. 237 */ 238 if (nlistf != NULL || memf != NULL) 239 (void)setgid(getgid()); 240 241 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 242 errx(1, "kvm_openfiles: %s", buf); 243 if ((ret = kvm_nlist(kd, nl)) != 0) { 244 if (ret == -1) 245 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 246 for (i = quit = 0; i <= NLMANDATORY; i++) 247 if (!nl[i].n_value) { 248 quit = 1; 249 warnx("undefined symbol: %s", nl[i].n_name); 250 } 251 if (quit) 252 exit(1); 253 } 254 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 255 usage(); 256 if (fileflag || totalflag) 257 filemode(); 258 if (vnodeflag || totalflag) 259 vnodemode(); 260 if (ttyflag) 261 ttymode(); 262 if (swapflag || totalflag) 263 list_swap(0, kflag, 0, totalflag, 1); 264 exit (0); 265 } 266 267 struct e_vnode { 268 struct vnode *avnode; 269 struct vnode vnode; 270 }; 271 272 void 273 vnodemode() 274 { 275 struct e_vnode *e_vnodebase, *endvnode, *evp; 276 struct vnode *vp; 277 struct mount *maddr, *mp; 278 int numvnodes; 279 280 mp = NULL; 281 e_vnodebase = loadvnodes(&numvnodes); 282 if (totalflag) { 283 (void)printf("%7d vnodes\n", numvnodes); 284 return; 285 } 286 endvnode = e_vnodebase + numvnodes; 287 (void)printf("%d active vnodes\n", numvnodes); 288 289 290 #define ST mp->mnt_stat 291 maddr = NULL; 292 for (evp = e_vnodebase; evp < endvnode; evp++) { 293 vp = &evp->vnode; 294 if (vp->v_mount != maddr) { 295 /* 296 * New filesystem 297 */ 298 if ((mp = getmnt(vp->v_mount)) == NULL) 299 continue; 300 maddr = vp->v_mount; 301 mount_print(mp); 302 vnode_header(); 303 if (!strncmp(ST.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 304 !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) 305 ufs_header(); 306 else if (!strncmp(ST.f_fstypename, MOUNT_NFS, 307 MFSNAMELEN)) 308 nfs_header(); 309 else if (!strncmp(ST.f_fstypename, MOUNT_EXT2FS, 310 MFSNAMELEN)) 311 ufs_header(); 312 else if (!strcmp(ST.f_fstypename, "union")) 313 union_header(); 314 (void)printf("\n"); 315 } 316 vnode_print(evp->avnode, vp); 317 if (!strncmp(ST.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 318 !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 319 ufs_print(vp); 320 } else if (!strncmp(ST.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { 321 nfs_print(vp); 322 } else if (!strncmp(ST.f_fstypename, MOUNT_EXT2FS, MFSNAMELEN)) { 323 ext2fs_print(vp); 324 } 325 (void)printf("\n"); 326 } 327 free(e_vnodebase); 328 } 329 330 void 331 vnode_header() 332 { 333 (void)printf("ADDR TYP VFLAG USE HOLD"); 334 } 335 336 void 337 vnode_print(avnode, vp) 338 struct vnode *avnode; 339 struct vnode *vp; 340 { 341 char *type, flags[16]; 342 char *fp = flags; 343 int flag; 344 345 /* 346 * set type 347 */ 348 switch (vp->v_type) { 349 case VNON: 350 type = "non"; break; 351 case VREG: 352 type = "reg"; break; 353 case VDIR: 354 type = "dir"; break; 355 case VBLK: 356 type = "blk"; break; 357 case VCHR: 358 type = "chr"; break; 359 case VLNK: 360 type = "lnk"; break; 361 case VSOCK: 362 type = "soc"; break; 363 case VFIFO: 364 type = "fif"; break; 365 case VBAD: 366 type = "bad"; break; 367 default: 368 type = "unk"; break; 369 } 370 /* 371 * gather flags 372 */ 373 flag = vp->v_flag; 374 if (flag & VROOT) 375 *fp++ = 'R'; 376 if (flag & VTEXT) 377 *fp++ = 'T'; 378 if (flag & VSYSTEM) 379 *fp++ = 'S'; 380 if (flag & VISTTY) 381 *fp++ = 'I'; 382 if (flag & VXLOCK) 383 *fp++ = 'L'; 384 if (flag & VXWANT) 385 *fp++ = 'W'; 386 if (flag & VBWAIT) 387 *fp++ = 'B'; 388 if (flag & VALIASED) 389 *fp++ = 'A'; 390 if (flag & VDIROP) 391 *fp++ = 'D'; 392 if (flag == 0) 393 *fp++ = '-'; 394 *fp = '\0'; 395 (void)printf("%8lx %s %5s %4d %4ld", 396 (long)avnode, type, flags, vp->v_usecount, (long)vp->v_holdcnt); 397 } 398 399 void 400 ufs_getflags(vp, ip, flags) 401 struct vnode *vp; 402 struct inode *ip; 403 char *flags; 404 { 405 int flag; 406 407 flag = ip->i_flag; 408 if (flag & IN_LOCKED) 409 *flags++ = 'L'; 410 if (flag & IN_WANTED) 411 *flags++ = 'W'; 412 if (flag & IN_RENAME) 413 *flags++ = 'R'; 414 if (flag & IN_UPDATE) 415 *flags++ = 'U'; 416 if (flag & IN_ACCESS) 417 *flags++ = 'A'; 418 if (flag & IN_CHANGE) 419 *flags++ = 'C'; 420 if (flag & IN_MODIFIED) 421 *flags++ = 'M'; 422 if (flag & IN_SHLOCK) 423 *flags++ = 'S'; 424 if (flag & IN_EXLOCK) 425 *flags++ = 'E'; 426 if (flag & IN_LWAIT) 427 *flags++ = 'Z'; 428 if (flag == 0) 429 *flags++ = '-'; 430 *flags = '\0'; 431 432 } 433 434 void 435 ufs_header() 436 { 437 (void)printf(" FILEID IFLAG RDEV|SZ"); 438 } 439 440 int 441 ufs_print(vp) 442 struct vnode *vp; 443 { 444 struct inode inode, *ip = &inode; 445 char flagbuf[16]; 446 char *name; 447 mode_t type; 448 449 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 450 ufs_getflags(vp, ip, flagbuf); 451 (void)printf(" %6d %5s", ip->i_number, flagbuf); 452 type = ip->i_ffs_mode & S_IFMT; 453 if (S_ISCHR(ip->i_ffs_mode) || S_ISBLK(ip->i_ffs_mode)) 454 if (usenumflag || ((name = devname(ip->i_ffs_rdev, type)) == NULL)) 455 (void)printf(" %2d,%-2d", 456 major(ip->i_ffs_rdev), minor(ip->i_ffs_rdev)); 457 else 458 (void)printf(" %7s", name); 459 else 460 (void)printf(" %7qd", ip->i_ffs_size); 461 return (0); 462 } 463 464 int 465 ext2fs_print(vp) 466 struct vnode *vp; 467 { 468 struct inode inode, *ip = &inode; 469 char flagbuf[16]; 470 char *name; 471 mode_t type; 472 473 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 474 ufs_getflags(vp, ip, flagbuf); 475 (void)printf(" %6d %5s", ip->i_number, flagbuf); 476 type = ip->i_e2fs_mode & S_IFMT; 477 if (S_ISCHR(ip->i_e2fs_mode) || S_ISBLK(ip->i_e2fs_mode)) 478 if (usenumflag || ((name = devname(ip->i_din.e2fs_din.e2di_rdev, 479 type)) == NULL)) 480 (void)printf(" %2d,%-2d", 481 major(ip->i_din.e2fs_din.e2di_rdev), 482 minor(ip->i_din.e2fs_din.e2di_rdev)); 483 else 484 (void)printf(" %7s", name); 485 else 486 (void)printf(" %7u", (u_int)ip->i_e2fs_size); 487 return (0); 488 } 489 490 void 491 nfs_header() 492 { 493 (void)printf(" FILEID NFLAG RDEV|SZ"); 494 } 495 496 int 497 nfs_print(vp) 498 struct vnode *vp; 499 { 500 struct nfsnode nfsnode, *np = &nfsnode; 501 char flagbuf[16], *flags = flagbuf; 502 int flag; 503 char *name; 504 mode_t type; 505 506 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 507 flag = np->n_flag; 508 if (flag & NFLUSHWANT) 509 *flags++ = 'W'; 510 if (flag & NFLUSHINPROG) 511 *flags++ = 'P'; 512 if (flag & NMODIFIED) 513 *flags++ = 'M'; 514 if (flag & NWRITEERR) 515 *flags++ = 'E'; 516 if (flag & NQNFSNONCACHE) 517 *flags++ = 'X'; 518 if (flag & NQNFSWRITE) 519 *flags++ = 'O'; 520 if (flag & NQNFSEVICTED) 521 *flags++ = 'G'; 522 if (flag == 0) 523 *flags++ = '-'; 524 *flags = '\0'; 525 526 #define VT np->n_vattr 527 (void)printf(" %6ld %5s", (long)VT.va_fileid, flagbuf); 528 type = VT.va_mode & S_IFMT; 529 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 530 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 531 (void)printf(" %2d,%-2d", 532 major(VT.va_rdev), minor(VT.va_rdev)); 533 else 534 (void)printf(" %7s", name); 535 else 536 (void)printf(" %7qd", np->n_size); 537 return (0); 538 } 539 540 void 541 union_header() 542 { 543 (void)printf(" UPPER LOWER"); 544 } 545 546 int 547 union_print(vp) 548 struct vnode *vp; 549 { 550 struct union_node unode, *up = &unode; 551 552 KGETRET(VTOUNION(vp), &unode, sizeof(unode), "vnode's unode"); 553 554 (void)printf(" %8lx %8lx", (long)up->un_uppervp, (long)up->un_lowervp); 555 return (0); 556 } 557 558 /* 559 * Given a pointer to a mount structure in kernel space, 560 * read it in and return a usable pointer to it. 561 */ 562 struct mount * 563 getmnt(maddr) 564 struct mount *maddr; 565 { 566 static struct mtab { 567 struct mtab *next; 568 struct mount *maddr; 569 struct mount mount; 570 } *mhead = NULL; 571 struct mtab *mt; 572 573 for (mt = mhead; mt != NULL; mt = mt->next) 574 if (maddr == mt->maddr) 575 return (&mt->mount); 576 if ((mt = malloc(sizeof(struct mtab))) == NULL) 577 err(1, "malloc"); 578 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 579 mt->maddr = maddr; 580 mt->next = mhead; 581 mhead = mt; 582 return (&mt->mount); 583 } 584 585 void 586 mount_print(mp) 587 struct mount *mp; 588 { 589 int flags; 590 591 (void)printf("*** MOUNT %s %s on %s", ST.f_fstypename, 592 ST.f_mntfromname, ST.f_mntonname); 593 if ((flags = mp->mnt_flag) != 0) { 594 int i; 595 const char *sep = " ("; 596 597 for (i = 0; mnt_flags[i].m_flag; i++) { 598 if (flags & mnt_flags[i].m_flag) { 599 (void)printf("%s%s", sep, mnt_flags[i].m_name); 600 flags &= ~mnt_flags[i].m_flag; 601 sep = ","; 602 } 603 } 604 if (flags) 605 (void)printf("%sunknown_flags:%x", sep, flags); 606 (void)printf(")"); 607 } 608 (void)printf("\n"); 609 } 610 611 struct e_vnode * 612 loadvnodes(avnodes) 613 int *avnodes; 614 { 615 int mib[2]; 616 size_t copysize; 617 struct e_vnode *vnodebase; 618 619 if (memf != NULL) { 620 /* 621 * do it by hand 622 */ 623 return (kinfo_vnodes(avnodes)); 624 } 625 mib[0] = CTL_KERN; 626 mib[1] = KERN_VNODE; 627 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 628 err(1, "sysctl: KERN_VNODE"); 629 if ((vnodebase = malloc(copysize)) == NULL) 630 err(1, "malloc"); 631 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 632 err(1, "sysctl: KERN_VNODE"); 633 if (copysize % sizeof(struct e_vnode)) 634 errx(1, "vnode size mismatch"); 635 *avnodes = copysize / sizeof(struct e_vnode); 636 637 return (vnodebase); 638 } 639 640 /* 641 * simulate what a running kernel does in in kinfo_vnode 642 */ 643 struct e_vnode * 644 kinfo_vnodes(avnodes) 645 int *avnodes; 646 { 647 struct mntlist mountlist; 648 struct mount *mp, mount; 649 struct vnode *vp, vnode; 650 char *vbuf, *evbuf, *bp; 651 int num, numvnodes; 652 653 #define VPTRSZ sizeof(struct vnode *) 654 #define VNODESZ sizeof(struct vnode) 655 656 KGET(V_NUMV, numvnodes); 657 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 658 err(1, "malloc"); 659 bp = vbuf; 660 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 661 KGET(V_MOUNTLIST, mountlist); 662 for (num = 0, mp = mountlist.cqh_first; ; mp = mount.mnt_list.cqe_next) { 663 KGET2(mp, &mount, sizeof(mount), "mount entry"); 664 for (vp = mount.mnt_vnodelist.lh_first; 665 vp != NULL; vp = vnode.v_mntvnodes.le_next) { 666 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 667 if ((bp + VPTRSZ + VNODESZ) > evbuf) 668 /* XXX - should realloc */ 669 errx(1, "no more room for vnodes"); 670 memmove(bp, &vp, VPTRSZ); 671 bp += VPTRSZ; 672 memmove(bp, &vnode, VNODESZ); 673 bp += VNODESZ; 674 num++; 675 } 676 if (mp == mountlist.cqh_last) 677 break; 678 } 679 *avnodes = num; 680 return ((struct e_vnode *)vbuf); 681 } 682 683 char hdr[]=" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 684 int ttyspace = 128; 685 686 void 687 ttymode() 688 { 689 int ntty; 690 struct ttylist_head tty_head; 691 struct tty *tp, tty; 692 693 KGET(TTY_NTTY, ntty); 694 (void)printf("%d terminal device%s\n", ntty, ntty == 1 ? "" : "s"); 695 KGET(TTY_TTYLIST, tty_head); 696 (void)printf(hdr); 697 for (tp = tty_head.tqh_first; tp; tp = tty.tty_link.tqe_next) { 698 KGET2(tp, &tty, sizeof tty, "tty struct"); 699 ttyprt(&tty); 700 } 701 } 702 703 struct { 704 int flag; 705 char val; 706 } ttystates[] = { 707 { TS_WOPEN, 'W'}, 708 { TS_ISOPEN, 'O'}, 709 { TS_CARR_ON, 'C'}, 710 { TS_TIMEOUT, 'T'}, 711 { TS_FLUSH, 'F'}, 712 { TS_BUSY, 'B'}, 713 { TS_ASLEEP, 'A'}, 714 { TS_XCLUDE, 'X'}, 715 { TS_TTSTOP, 'S'}, 716 { TS_TBLOCK, 'K'}, 717 { TS_ASYNC, 'Y'}, 718 { TS_BKSL, 'D'}, 719 { TS_ERASE, 'E'}, 720 { TS_LNCH, 'L'}, 721 { TS_TYPEN, 'P'}, 722 { TS_CNTTB, 'N'}, 723 { 0, '\0'}, 724 }; 725 726 void 727 ttyprt(tp) 728 struct tty *tp; 729 { 730 int i, j; 731 pid_t pgid; 732 char *name, state[20]; 733 734 if (usenumflag || (name = devname(tp->t_dev, S_IFCHR)) == NULL) 735 (void)printf("0x%3x:%1x ", major(tp->t_dev), minor(tp->t_dev)); 736 else 737 (void)printf("%-7s ", name); 738 (void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 739 (void)printf("%3d %4d %3d %7d ", tp->t_outq.c_cc, 740 tp->t_hiwat, tp->t_lowat, tp->t_column); 741 for (i = j = 0; ttystates[i].flag; i++) 742 if (tp->t_state&ttystates[i].flag) 743 state[j++] = ttystates[i].val; 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", fp->f_offset); 828 else 829 (void)printf(" %qd\n", 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 Thu Sep 25 16:09:42 GMT 2025