pstat.c revision 1.18
1 /* $NetBSD: pstat.c,v 1.18 1996/04/30 00:41:51 pk Exp $ */ 2 3 /*- 4 * Copyright (c) 1980, 1991, 1993 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\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 from: static char sccsid[] = "@(#)pstat.c 8.9 (Berkeley) 2/16/94"; 45 #else 46 static char *rcsid = "$NetBSD: pstat.c,v 1.18 1996/04/30 00:41:51 pk 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 #undef _KERNEL 63 #include <sys/stat.h> 64 #include <nfs/nfsproto.h> 65 #include <nfs/rpcv2.h> 66 #include <nfs/nfsnode.h> 67 #include <sys/ioctl.h> 68 #include <sys/tty.h> 69 #include <sys/conf.h> 70 #include <sys/device.h> 71 72 #include <sys/sysctl.h> 73 74 #include <err.h> 75 #include <kvm.h> 76 #include <limits.h> 77 #include <nlist.h> 78 #include <stdio.h> 79 #include <stdlib.h> 80 #include <string.h> 81 #include <unistd.h> 82 83 struct nlist nl[] = { 84 #define VM_SWAPMAP 0 85 { "_swapmap" }, /* list of free swap areas */ 86 #define VM_NSWAPMAP 1 87 { "_nswapmap" },/* size of the swap map */ 88 #define VM_SWDEVT 2 89 { "_swdevt" }, /* list of swap devices and sizes */ 90 #define VM_NSWAP 3 91 { "_nswap" }, /* size of largest swap device */ 92 #define VM_NSWDEV 4 93 { "_nswdev" }, /* number of swap devices */ 94 #define VM_DMMAX 5 95 { "_dmmax" }, /* maximum size of a swap block */ 96 #define V_MOUNTLIST 6 97 { "_mountlist" }, /* address of head of mount list. */ 98 #define V_NUMV 7 99 { "_numvnodes" }, 100 #define FNL_NFILE 8 101 {"_nfiles"}, 102 #define FNL_MAXFILE 9 103 {"_maxfiles"}, 104 #define NLMANDATORY FNL_MAXFILE /* names up to here are mandatory */ 105 #define VM_NISWAP NLMANDATORY + 1 106 { "_niswap" }, 107 #define VM_NISWDEV NLMANDATORY + 2 108 { "_niswdev" }, 109 #define SCONS NLMANDATORY + 3 110 { "_constty" }, 111 #define SPTY NLMANDATORY + 4 112 { "_pt_tty" }, 113 #define SNPTY NLMANDATORY + 5 114 { "_npty" }, 115 116 #ifdef sparc 117 #define SZS (SNPTY+1) 118 { "_zs_tty" }, 119 #define SCZS (SNPTY+2) 120 { "_zscd" }, 121 #endif 122 123 #ifdef hp300 124 #define SDCA (SNPTY+1) 125 { "_dca_tty" }, 126 #define SNDCA (SNPTY+2) 127 { "_ndca" }, 128 #define SDCM (SNPTY+3) 129 { "_dcm_tty" }, 130 #define SNDCM (SNPTY+4) 131 { "_ndcm" }, 132 #define SDCL (SNPTY+5) 133 { "_dcl_tty" }, 134 #define SNDCL (SNPTY+6) 135 { "_ndcl" }, 136 #define SITE (SNPTY+7) 137 { "_ite_tty" }, 138 #define SNITE (SNPTY+8) 139 { "_nite" }, 140 #endif 141 142 #ifdef mips 143 #define SDC (SNPTY+1) 144 { "_dc_tty" }, 145 #define SNDC (SNPTY+2) 146 { "_dc_cnt" }, 147 #endif 148 149 #ifdef i386 150 #define SPC (SNPTY+1) 151 { "_pc_tty" }, 152 #define SCPC (SNPTY+2) 153 { "_pccd" }, 154 #define SCOM (SNPTY+3) 155 { "_com_tty" }, 156 #define SCCOM (SNPTY+4) 157 { "_comcd" }, 158 #endif 159 #ifdef amiga 160 #define SSER (SNPTY + 1) 161 { "_ser_tty" }, 162 #define SCSER (SNPTY + 2) 163 { "_sercd" }, 164 #define SITE (SNPTY + 3) 165 { "_ite_tty" }, 166 #define SCITE (SNPTY + 4) 167 { "_itecd" }, 168 #define SMFCS (SNPTY + 5) 169 { "_mfcs_tty" }, 170 #define SCMFCS (SNPTY + 6) 171 { "_mfcscd" }, 172 #endif 173 174 { "" } 175 }; 176 177 int usenumflag; 178 int totalflag; 179 int kflag; 180 char *nlistf = NULL; 181 char *memf = NULL; 182 kvm_t *kd; 183 184 #define SVAR(var) __STRING(var) /* to force expansion */ 185 #define KGET(idx, var) \ 186 KGET1(idx, &var, sizeof(var), SVAR(var)) 187 #define KGET1(idx, p, s, msg) \ 188 KGET2(nl[idx].n_value, p, s, msg) 189 #define KGET2(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 #define KGETRET(addr, p, s, msg) \ 193 if (kvm_read(kd, (u_long)(addr), p, s) != s) { \ 194 warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \ 195 return (0); \ 196 } 197 198 void filemode __P((void)); 199 int getfiles __P((char **, int *)); 200 struct mount * 201 getmnt __P((struct mount *)); 202 struct e_vnode * 203 kinfo_vnodes __P((int *)); 204 struct e_vnode * 205 loadvnodes __P((int *)); 206 void mount_print __P((struct mount *)); 207 void nfs_header __P((void)); 208 int nfs_print __P((struct vnode *)); 209 void swapmode __P((void)); 210 void ttymode __P((void)); 211 void ttyprt __P((struct tty *, int)); 212 void ttytype __P((char *, int, int)); 213 void ttytype_newcf __P((char *, int, int)); 214 void ttytype_oldcf __P((char *, int, int)); 215 void ufs_header __P((void)); 216 int ufs_print __P((struct vnode *)); 217 void usage __P((void)); 218 void vnode_header __P((void)); 219 void vnode_print __P((struct vnode *, struct vnode *)); 220 void vnodemode __P((void)); 221 222 int 223 main(argc, argv) 224 int argc; 225 char *argv[]; 226 { 227 extern char *optarg; 228 extern int optind; 229 int ch, i, quit, ret; 230 int fileflag, swapflag, ttyflag, vnodeflag; 231 char buf[_POSIX2_LINE_MAX]; 232 233 fileflag = swapflag = ttyflag = vnodeflag = 0; 234 while ((ch = getopt(argc, argv, "TM:N:fiknstv")) != -1) 235 switch (ch) { 236 case 'f': 237 fileflag = 1; 238 break; 239 case 'M': 240 memf = optarg; 241 break; 242 case 'N': 243 nlistf = optarg; 244 break; 245 case 'n': 246 usenumflag = 1; 247 break; 248 case 's': 249 swapflag = 1; 250 break; 251 case 'T': 252 totalflag = 1; 253 break; 254 case 't': 255 ttyflag = 1; 256 break; 257 case 'k': 258 kflag = 1; 259 break; 260 case 'v': 261 case 'i': /* Backward compatibility. */ 262 vnodeflag = 1; 263 break; 264 default: 265 usage(); 266 } 267 argc -= optind; 268 argv += optind; 269 270 /* 271 * Discard setgid privileges if not the running kernel so that bad 272 * guys can't print interesting stuff from kernel memory. 273 */ 274 if (nlistf != NULL || memf != NULL) 275 (void)setgid(getgid()); 276 277 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0) 278 errx(1, "kvm_openfiles: %s", buf); 279 if ((ret = kvm_nlist(kd, nl)) != 0) { 280 if (ret == -1) 281 errx(1, "kvm_nlist: %s", kvm_geterr(kd)); 282 for (i = quit = 0; i <= NLMANDATORY; i++) 283 if (!nl[i].n_value) { 284 quit = 1; 285 warnx("undefined symbol: %s\n", nl[i].n_name); 286 } 287 if (quit) 288 exit(1); 289 } 290 if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) 291 usage(); 292 if (fileflag || totalflag) 293 filemode(); 294 if (vnodeflag || totalflag) 295 vnodemode(); 296 if (ttyflag) 297 ttymode(); 298 if (swapflag || totalflag) 299 swapmode(); 300 exit (0); 301 } 302 303 struct e_vnode { 304 struct vnode *avnode; 305 struct vnode vnode; 306 }; 307 308 void 309 vnodemode() 310 { 311 register struct e_vnode *e_vnodebase, *endvnode, *evp; 312 register struct vnode *vp; 313 register struct mount *maddr, *mp; 314 int numvnodes; 315 316 e_vnodebase = loadvnodes(&numvnodes); 317 if (totalflag) { 318 (void)printf("%7d vnodes\n", numvnodes); 319 return; 320 } 321 endvnode = e_vnodebase + numvnodes; 322 (void)printf("%d active vnodes\n", numvnodes); 323 324 325 #define ST mp->mnt_stat 326 maddr = NULL; 327 for (evp = e_vnodebase; evp < endvnode; evp++) { 328 vp = &evp->vnode; 329 if (vp->v_mount != maddr) { 330 /* 331 * New filesystem 332 */ 333 if ((mp = getmnt(vp->v_mount)) == NULL) 334 continue; 335 maddr = vp->v_mount; 336 mount_print(mp); 337 vnode_header(); 338 if (!strncmp(ST.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 339 !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 340 ufs_header(); 341 } else if (!strncmp(ST.f_fstypename, MOUNT_NFS, 342 MFSNAMELEN)) { 343 nfs_header(); 344 } 345 (void)printf("\n"); 346 } 347 vnode_print(evp->avnode, vp); 348 if (!strncmp(ST.f_fstypename, MOUNT_FFS, MFSNAMELEN) || 349 !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { 350 ufs_print(vp); 351 } else if (!strncmp(ST.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { 352 nfs_print(vp); 353 } 354 (void)printf("\n"); 355 } 356 free(e_vnodebase); 357 } 358 359 void 360 vnode_header() 361 { 362 (void)printf("ADDR TYP VFLAG USE HOLD"); 363 } 364 365 void 366 vnode_print(avnode, vp) 367 struct vnode *avnode; 368 struct vnode *vp; 369 { 370 char *type, flags[16]; 371 char *fp = flags; 372 register int flag; 373 374 /* 375 * set type 376 */ 377 switch(vp->v_type) { 378 case VNON: 379 type = "non"; break; 380 case VREG: 381 type = "reg"; break; 382 case VDIR: 383 type = "dir"; break; 384 case VBLK: 385 type = "blk"; break; 386 case VCHR: 387 type = "chr"; break; 388 case VLNK: 389 type = "lnk"; break; 390 case VSOCK: 391 type = "soc"; break; 392 case VFIFO: 393 type = "fif"; break; 394 case VBAD: 395 type = "bad"; break; 396 default: 397 type = "unk"; break; 398 } 399 /* 400 * gather flags 401 */ 402 flag = vp->v_flag; 403 if (flag & VROOT) 404 *fp++ = 'R'; 405 if (flag & VTEXT) 406 *fp++ = 'T'; 407 if (flag & VSYSTEM) 408 *fp++ = 'S'; 409 if (flag & VXLOCK) 410 *fp++ = 'L'; 411 if (flag & VXWANT) 412 *fp++ = 'W'; 413 if (flag & VBWAIT) 414 *fp++ = 'B'; 415 if (flag & VALIASED) 416 *fp++ = 'A'; 417 if (flag == 0) 418 *fp++ = '-'; 419 *fp = '\0'; 420 (void)printf("%8x %s %5s %4d %4d", 421 avnode, type, flags, vp->v_usecount, vp->v_holdcnt); 422 } 423 424 void 425 ufs_header() 426 { 427 (void)printf(" FILEID IFLAG RDEV|SZ"); 428 } 429 430 int 431 ufs_print(vp) 432 struct vnode *vp; 433 { 434 register int flag; 435 struct inode inode, *ip = &inode; 436 char flagbuf[16], *flags = flagbuf; 437 char *name; 438 mode_t type; 439 440 KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); 441 flag = ip->i_flag; 442 if (flag & IN_LOCKED) 443 *flags++ = 'L'; 444 if (flag & IN_WANTED) 445 *flags++ = 'W'; 446 if (flag & IN_RENAME) 447 *flags++ = 'R'; 448 if (flag & IN_UPDATE) 449 *flags++ = 'U'; 450 if (flag & IN_ACCESS) 451 *flags++ = 'A'; 452 if (flag & IN_CHANGE) 453 *flags++ = 'C'; 454 if (flag & IN_MODIFIED) 455 *flags++ = 'M'; 456 if (flag & IN_SHLOCK) 457 *flags++ = 'S'; 458 if (flag & IN_EXLOCK) 459 *flags++ = 'E'; 460 if (flag & IN_LWAIT) 461 *flags++ = 'Z'; 462 if (flag == 0) 463 *flags++ = '-'; 464 *flags = '\0'; 465 466 (void)printf(" %6d %5s", ip->i_number, flagbuf); 467 type = ip->i_mode & S_IFMT; 468 if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) 469 if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) 470 (void)printf(" %2d,%-2d", 471 major(ip->i_rdev), minor(ip->i_rdev)); 472 else 473 (void)printf(" %7s", name); 474 else 475 (void)printf(" %7qd", ip->i_size); 476 return (0); 477 } 478 479 void 480 nfs_header() 481 { 482 (void)printf(" FILEID NFLAG RDEV|SZ"); 483 } 484 485 int 486 nfs_print(vp) 487 struct vnode *vp; 488 { 489 struct nfsnode nfsnode, *np = &nfsnode; 490 char flagbuf[16], *flags = flagbuf; 491 register int flag; 492 char *name; 493 mode_t type; 494 495 KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); 496 flag = np->n_flag; 497 if (flag & NFLUSHWANT) 498 *flags++ = 'W'; 499 if (flag & NFLUSHINPROG) 500 *flags++ = 'P'; 501 if (flag & NMODIFIED) 502 *flags++ = 'M'; 503 if (flag & NWRITEERR) 504 *flags++ = 'E'; 505 if (flag & NQNFSNONCACHE) 506 *flags++ = 'X'; 507 if (flag & NQNFSWRITE) 508 *flags++ = 'O'; 509 if (flag & NQNFSEVICTED) 510 *flags++ = 'G'; 511 if (flag == 0) 512 *flags++ = '-'; 513 *flags = '\0'; 514 515 #define VT np->n_vattr 516 (void)printf(" %6d %5s", VT.va_fileid, flagbuf); 517 type = VT.va_mode & S_IFMT; 518 if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) 519 if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) 520 (void)printf(" %2d,%-2d", 521 major(VT.va_rdev), minor(VT.va_rdev)); 522 else 523 (void)printf(" %7s", name); 524 else 525 (void)printf(" %7qd", np->n_size); 526 return (0); 527 } 528 529 /* 530 * Given a pointer to a mount structure in kernel space, 531 * read it in and return a usable pointer to it. 532 */ 533 struct mount * 534 getmnt(maddr) 535 struct mount *maddr; 536 { 537 static struct mtab { 538 struct mtab *next; 539 struct mount *maddr; 540 struct mount mount; 541 } *mhead = NULL; 542 register struct mtab *mt; 543 544 for (mt = mhead; mt != NULL; mt = mt->next) 545 if (maddr == mt->maddr) 546 return (&mt->mount); 547 if ((mt = malloc(sizeof(struct mtab))) == NULL) 548 err(1, NULL); 549 KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); 550 mt->maddr = maddr; 551 mt->next = mhead; 552 mhead = mt; 553 return (&mt->mount); 554 } 555 556 void 557 mount_print(mp) 558 struct mount *mp; 559 { 560 register int flags; 561 char *type; 562 563 #define ST mp->mnt_stat 564 (void)printf("*** MOUNT "); 565 (void)printf("%.*s %s on %s", MFSNAMELEN, ST.f_fstypename, 566 ST.f_mntfromname, ST.f_mntonname); 567 if (flags = mp->mnt_flag) { 568 char *comma = "("; 569 570 putchar(' '); 571 /* user visable flags */ 572 if (flags & MNT_RDONLY) { 573 (void)printf("%srdonly", comma); 574 flags &= ~MNT_RDONLY; 575 comma = ","; 576 } 577 if (flags & MNT_SYNCHRONOUS) { 578 (void)printf("%ssynchronous", comma); 579 flags &= ~MNT_SYNCHRONOUS; 580 comma = ","; 581 } 582 if (flags & MNT_NOEXEC) { 583 (void)printf("%snoexec", comma); 584 flags &= ~MNT_NOEXEC; 585 comma = ","; 586 } 587 if (flags & MNT_NOSUID) { 588 (void)printf("%snosuid", comma); 589 flags &= ~MNT_NOSUID; 590 comma = ","; 591 } 592 if (flags & MNT_NODEV) { 593 (void)printf("%snodev", comma); 594 flags &= ~MNT_NODEV; 595 comma = ","; 596 } 597 if (flags & MNT_EXPORTED) { 598 (void)printf("%sexport", comma); 599 flags &= ~MNT_EXPORTED; 600 comma = ","; 601 } 602 if (flags & MNT_EXRDONLY) { 603 (void)printf("%sexrdonly", comma); 604 flags &= ~MNT_EXRDONLY; 605 comma = ","; 606 } 607 if (flags & MNT_LOCAL) { 608 (void)printf("%slocal", comma); 609 flags &= ~MNT_LOCAL; 610 comma = ","; 611 } 612 if (flags & MNT_QUOTA) { 613 (void)printf("%squota", comma); 614 flags &= ~MNT_QUOTA; 615 comma = ","; 616 } 617 if (flags & MNT_ROOTFS) { 618 (void)printf("%srootfs", comma); 619 flags &= ~MNT_ROOTFS; 620 comma = ","; 621 } 622 /* filesystem control flags */ 623 if (flags & MNT_UPDATE) { 624 (void)printf("%supdate", comma); 625 flags &= ~MNT_UPDATE; 626 comma = ","; 627 } 628 if (flags & MNT_MLOCK) { 629 (void)printf("%slock", comma); 630 flags &= ~MNT_MLOCK; 631 comma = ","; 632 } 633 if (flags & MNT_MWAIT) { 634 (void)printf("%swait", comma); 635 flags &= ~MNT_MWAIT; 636 comma = ","; 637 } 638 if (flags & MNT_MPBUSY) { 639 (void)printf("%sbusy", comma); 640 flags &= ~MNT_MPBUSY; 641 comma = ","; 642 } 643 if (flags & MNT_MPWANT) { 644 (void)printf("%swant", comma); 645 flags &= ~MNT_MPWANT; 646 comma = ","; 647 } 648 if (flags & MNT_UNMOUNT) { 649 (void)printf("%sunmount", comma); 650 flags &= ~MNT_UNMOUNT; 651 comma = ","; 652 } 653 if (flags) 654 (void)printf("%sunknown_flags:%x", comma, flags); 655 (void)printf(")"); 656 } 657 (void)printf("\n"); 658 #undef ST 659 } 660 661 struct e_vnode * 662 loadvnodes(avnodes) 663 int *avnodes; 664 { 665 int mib[2]; 666 size_t copysize; 667 struct e_vnode *vnodebase; 668 669 if (memf != NULL) { 670 /* 671 * do it by hand 672 */ 673 return (kinfo_vnodes(avnodes)); 674 } 675 mib[0] = CTL_KERN; 676 mib[1] = KERN_VNODE; 677 if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) 678 err(1, "sysctl: KERN_VNODE"); 679 if ((vnodebase = malloc(copysize)) == NULL) 680 err(1, NULL); 681 if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) 682 err(1, "sysctl: KERN_VNODE"); 683 if (copysize % sizeof(struct e_vnode)) 684 errx(1, "vnode size mismatch"); 685 *avnodes = copysize / sizeof(struct e_vnode); 686 687 return (vnodebase); 688 } 689 690 /* 691 * simulate what a running kernel does in in kinfo_vnode 692 */ 693 struct e_vnode * 694 kinfo_vnodes(avnodes) 695 int *avnodes; 696 { 697 struct mntlist mountlist; 698 struct mount *mp, mount; 699 struct vnode *vp, vnode; 700 char *vbuf, *evbuf, *bp; 701 int num, numvnodes; 702 703 #define VPTRSZ sizeof(struct vnode *) 704 #define VNODESZ sizeof(struct vnode) 705 706 KGET(V_NUMV, numvnodes); 707 if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) 708 err(1, NULL); 709 bp = vbuf; 710 evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); 711 KGET(V_MOUNTLIST, mountlist); 712 for (num = 0, mp = mountlist.cqh_first; ; mp = mount.mnt_list.cqe_next) { 713 KGET2(mp, &mount, sizeof(mount), "mount entry"); 714 for (vp = mount.mnt_vnodelist.lh_first; 715 vp != NULL; vp = vnode.v_mntvnodes.le_next) { 716 KGET2(vp, &vnode, sizeof(vnode), "vnode"); 717 if ((bp + VPTRSZ + VNODESZ) > evbuf) 718 /* XXX - should realloc */ 719 errx(1, "no more room for vnodes"); 720 memmove(bp, &vp, VPTRSZ); 721 bp += VPTRSZ; 722 memmove(bp, &vnode, VNODESZ); 723 bp += VNODESZ; 724 num++; 725 } 726 if (mp == mountlist.cqh_last) 727 break; 728 } 729 *avnodes = num; 730 return ((struct e_vnode *)vbuf); 731 } 732 733 char hdr[]=" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; 734 735 void 736 ttymode() 737 { 738 739 #ifdef sparc 740 ttytype("console", SCONS, 1); 741 ttytype_newcf("zs", SZS, SCZS); 742 #endif 743 744 #ifdef vax 745 /* May fill in this later */ 746 #endif 747 #ifdef tahoe 748 if (nl[SNVX].n_type != 0) 749 ttytype_oldcf("vx", SVX, SNVX); 750 if (nl[SNMP].n_type != 0) 751 ttytype_oldcf("mp", SMP, SNMP); 752 #endif 753 #ifdef hp300 754 if (nl[SNITE].n_type != 0) 755 ttytype_oldcf("ite", SITE, SNITE); 756 if (nl[SNDCA].n_type != 0) 757 ttytype_oldcf("dca", SDCA, SNDCA); 758 if (nl[SNDCM].n_type != 0) 759 ttytype_oldcf("dcm", SDCM, SNDCM); 760 if (nl[SNDCL].n_type != 0) 761 ttytype_oldcf("dcl", SDCL, SNDCL); 762 #endif 763 #ifdef mips 764 if (nl[SNDC].n_type != 0) 765 ttytype_oldcf("dc", SDC, SNDC); 766 #endif 767 #ifdef i386 768 if (nl[SCPC].n_type != 0) 769 ttytype_newcf("pc", SPC, SCPC); 770 if (nl[SCCOM].n_type != 0) 771 ttytype_newcf("com", SCOM, SCCOM); 772 #endif 773 #ifdef amiga 774 if (nl[SCSER].n_type != 0) 775 ttytype_newcf("ser", SSER, SCSER); 776 if (nl[SCITE].n_type != 0) 777 ttytype_newcf("ite", SITE, SCITE); 778 if (nl[SCMFCS].n_type != 0) 779 ttytype_newcf("mfcs", SMFCS, SCMFCS); 780 #endif 781 if (nl[SNPTY].n_type != 0) 782 ttytype_oldcf("pty", SPTY, SNPTY); 783 } 784 785 void 786 ttytype_oldcf(name, type, number) 787 char *name; 788 int type, number; 789 { 790 int ntty; 791 792 KGET(number, ntty); 793 ttytype(name, type, ntty); 794 } 795 796 void 797 ttytype_newcf(name, type, config) 798 char *name; 799 int type, config; 800 { 801 struct cfdriver cf; 802 void **cd; 803 int i; 804 805 KGET(config, cf); 806 cd = malloc(cf.cd_ndevs * sizeof(void *)); 807 if (!cd) 808 return; 809 KGET2(cf.cd_devs, cd, cf.cd_ndevs * sizeof(void *), "cfdevicep"); 810 for (i = cf.cd_ndevs - 1; i >= 0; --i) 811 if (cd[i]) 812 break; 813 free(cd); 814 ttytype(name, type, i + 1); 815 } 816 817 void 818 ttytype(name, type, number) 819 char *name; 820 int type, number; 821 { 822 static struct tty **ttyp; 823 static int nttyp; 824 static struct tty tty; 825 int ntty = number, i; 826 827 (void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); 828 if (ntty > nttyp) { 829 nttyp = ntty; 830 if ((ttyp = realloc(ttyp, nttyp * sizeof(*ttyp))) == 0) 831 err(1, NULL); 832 } 833 KGET1(type, ttyp, nttyp * sizeof(*ttyp), "tty pointers"); 834 (void)printf(hdr); 835 for (i = 0; i < ntty; i++) { 836 if (ttyp[i] == NULL) 837 continue; 838 KGET2(ttyp[i], &tty, sizeof(struct tty), "tty struct"); 839 ttyprt(&tty, i); 840 } 841 } 842 843 struct { 844 int flag; 845 char val; 846 } ttystates[] = { 847 { TS_WOPEN, 'W'}, 848 { TS_ISOPEN, 'O'}, 849 { TS_CARR_ON, 'C'}, 850 { TS_TIMEOUT, 'T'}, 851 { TS_FLUSH, 'F'}, 852 { TS_BUSY, 'B'}, 853 { TS_ASLEEP, 'A'}, 854 { TS_XCLUDE, 'X'}, 855 { TS_TTSTOP, 'S'}, 856 { TS_TBLOCK, 'K'}, 857 { TS_ASYNC, 'Y'}, 858 { TS_BKSL, 'D'}, 859 { TS_ERASE, 'E'}, 860 { TS_LNCH, 'L'}, 861 { TS_TYPEN, 'P'}, 862 { TS_CNTTB, 'N'}, 863 { 0, '\0'}, 864 }; 865 866 void 867 ttyprt(tp, line) 868 register struct tty *tp; 869 int line; 870 { 871 register int i, j; 872 pid_t pgid; 873 char *name, state[20]; 874 875 if (usenumflag || tp->t_dev == 0 || 876 (name = devname(tp->t_dev, S_IFCHR)) == NULL) 877 (void)printf("%7d ", line); 878 else 879 (void)printf("%-7s ", name); 880 (void)printf("%3d %4d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); 881 (void)printf("%4d %4d %3d %6d ", tp->t_outq.c_cc, 882 tp->t_hiwat, tp->t_lowat, tp->t_column); 883 for (i = j = 0; ttystates[i].flag; i++) 884 if (tp->t_state&ttystates[i].flag) 885 state[j++] = ttystates[i].val; 886 if (j == 0) 887 state[j++] = '-'; 888 state[j] = '\0'; 889 (void)printf("%-6s %6x", state, (u_long)tp->t_session & ~KERNBASE); 890 pgid = 0; 891 if (tp->t_pgrp != NULL) 892 KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid"); 893 (void)printf("%6d ", pgid); 894 switch (tp->t_line) { 895 case TTYDISC: 896 (void)printf("term\n"); 897 break; 898 case TABLDISC: 899 (void)printf("tab\n"); 900 break; 901 case SLIPDISC: 902 (void)printf("slip\n"); 903 break; 904 case PPPDISC: 905 (void)printf("ppp\n"); 906 break; 907 default: 908 (void)printf("%d\n", tp->t_line); 909 break; 910 } 911 } 912 913 void 914 filemode() 915 { 916 register struct file *fp; 917 struct file *addr; 918 char *buf, flagbuf[16], *fbp; 919 int len, maxfile, nfile; 920 static char *dtypes[] = { "???", "inode", "socket" }; 921 922 KGET(FNL_MAXFILE, maxfile); 923 if (totalflag) { 924 KGET(FNL_NFILE, nfile); 925 (void)printf("%3d/%3d files\n", nfile, maxfile); 926 return; 927 } 928 if (getfiles(&buf, &len) == -1) 929 return; 930 /* 931 * Getfiles returns in malloc'd memory a pointer to the first file 932 * structure, and then an array of file structs (whose addresses are 933 * derivable from the previous entry). 934 */ 935 addr = ((struct filelist *)buf)->lh_first; 936 fp = (struct file *)(buf + sizeof(struct filelist)); 937 nfile = (len - sizeof(struct filelist)) / sizeof(struct file); 938 939 (void)printf("%d/%d open files\n", nfile, maxfile); 940 (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); 941 for (; (char *)fp < buf + len; addr = fp->f_list.le_next, fp++) { 942 if ((unsigned)fp->f_type > DTYPE_SOCKET) 943 continue; 944 (void)printf("%x ", addr); 945 (void)printf("%-8.8s", dtypes[fp->f_type]); 946 fbp = flagbuf; 947 if (fp->f_flag & FREAD) 948 *fbp++ = 'R'; 949 if (fp->f_flag & FWRITE) 950 *fbp++ = 'W'; 951 if (fp->f_flag & FAPPEND) 952 *fbp++ = 'A'; 953 #ifdef FSHLOCK /* currently gone */ 954 if (fp->f_flag & FSHLOCK) 955 *fbp++ = 'S'; 956 if (fp->f_flag & FEXLOCK) 957 *fbp++ = 'X'; 958 #endif 959 if (fp->f_flag & FASYNC) 960 *fbp++ = 'I'; 961 *fbp = '\0'; 962 (void)printf("%6s %3d", flagbuf, fp->f_count); 963 (void)printf(" %3d", fp->f_msgcount); 964 (void)printf(" %8.1x", fp->f_data); 965 if (fp->f_offset < 0) 966 (void)printf(" %qx\n", fp->f_offset); 967 else 968 (void)printf(" %qd\n", fp->f_offset); 969 } 970 free(buf); 971 } 972 973 int 974 getfiles(abuf, alen) 975 char **abuf; 976 int *alen; 977 { 978 size_t len; 979 int mib[2]; 980 char *buf; 981 982 /* 983 * XXX 984 * Add emulation of KINFO_FILE here. 985 */ 986 if (memf != NULL) 987 errx(1, "files on dead kernel, not implemented\n"); 988 989 mib[0] = CTL_KERN; 990 mib[1] = KERN_FILE; 991 if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) { 992 warn("sysctl: KERN_FILE"); 993 return (-1); 994 } 995 if ((buf = malloc(len)) == NULL) 996 err(1, NULL); 997 if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) { 998 warn("sysctl: KERN_FILE"); 999 return (-1); 1000 } 1001 *abuf = buf; 1002 *alen = len; 1003 return (0); 1004 } 1005 1006 /* 1007 * swapmode is based on a program called swapinfo written 1008 * by Kevin Lahey <kml (at) rokkaku.atl.ga.us>. 1009 */ 1010 void 1011 swapmode() 1012 { 1013 char *header; 1014 int hlen, nswap, nswdev, dmmax, nswapmap, niswap, niswdev; 1015 int s, e, div, i, l, avail, nfree, npfree, used; 1016 struct swdevt *sw; 1017 long blocksize, *perdev; 1018 struct map *swapmap, *kswapmap; 1019 struct mapent *mp; 1020 1021 KGET(VM_NSWAP, nswap); 1022 KGET(VM_NSWDEV, nswdev); 1023 KGET(VM_DMMAX, dmmax); 1024 KGET(VM_NSWAPMAP, nswapmap); 1025 KGET(VM_SWAPMAP, kswapmap); /* kernel `swapmap' is a pointer */ 1026 if ((sw = malloc(nswdev * sizeof(*sw))) == NULL || 1027 (perdev = malloc(nswdev * sizeof(*perdev))) == NULL || 1028 (mp = malloc(nswapmap * sizeof(*mp))) == NULL) 1029 err(1, "malloc"); 1030 KGET1(VM_SWDEVT, sw, nswdev * sizeof(*sw), "swdevt"); 1031 KGET2((long)kswapmap, mp, nswapmap * sizeof(*mp), "swapmap"); 1032 1033 /* Supports sequential swap */ 1034 if (nl[VM_NISWAP].n_value != 0) { 1035 KGET(VM_NISWAP, niswap); 1036 KGET(VM_NISWDEV, niswdev); 1037 } else { 1038 niswap = nswap; 1039 niswdev = nswdev; 1040 } 1041 1042 /* First entry in map is `struct map'; rest are mapent's. */ 1043 swapmap = (struct map *)mp; 1044 if (nswapmap != swapmap->m_limit - (struct mapent *)kswapmap) 1045 errx(1, "panic: nswapmap goof"); 1046 1047 /* Count up swap space. */ 1048 nfree = 0; 1049 memset(perdev, 0, nswdev * sizeof(*perdev)); 1050 for (mp++; mp->m_addr != 0; mp++) { 1051 s = mp->m_addr; /* start of swap region */ 1052 e = mp->m_addr + mp->m_size; /* end of region */ 1053 nfree += mp->m_size; 1054 1055 /* 1056 * Swap space is split up among the configured disks. 1057 * 1058 * For interleaved swap devices, the first dmmax blocks 1059 * of swap space some from the first disk, the next dmmax 1060 * blocks from the next, and so on up to niswap blocks. 1061 * 1062 * Sequential swap devices follow the interleaved devices 1063 * (i.e. blocks starting at niswap) in the order in which 1064 * they appear in the swdev table. The size of each device 1065 * will be a multiple of dmmax. 1066 * 1067 * The list of free space joins adjacent free blocks, 1068 * ignoring device boundries. If we want to keep track 1069 * of this information per device, we'll just have to 1070 * extract it ourselves. We know that dmmax-sized chunks 1071 * cannot span device boundaries (interleaved or sequential) 1072 * so we loop over such chunks assigning them to devices. 1073 */ 1074 i = -1; 1075 while (s < e) { /* XXX this is inefficient */ 1076 int bound = roundup(s+1, dmmax); 1077 1078 if (bound > e) 1079 bound = e; 1080 if (bound <= niswap) { 1081 /* Interleaved swap chunk. */ 1082 if (i == -1) 1083 i = (s / dmmax) % niswdev; 1084 perdev[i] += bound - s; 1085 if (++i >= niswdev) 1086 i = 0; 1087 } else { 1088 /* Sequential swap chunk. */ 1089 if (i < niswdev) { 1090 i = niswdev; 1091 l = niswap + sw[i].sw_nblks; 1092 } 1093 while (s >= l) { 1094 /* XXX don't die on bogus blocks */ 1095 if (i == nswdev-1) 1096 break; 1097 l += sw[++i].sw_nblks; 1098 } 1099 perdev[i] += bound - s; 1100 } 1101 s = bound; 1102 } 1103 } 1104 1105 if (kflag) { 1106 header = "1K-blocks"; 1107 blocksize = 1024; 1108 hlen = strlen(header); 1109 } else 1110 header = getbsize(&hlen, &blocksize); 1111 if (!totalflag) 1112 (void)printf("%-11s %*s %8s %8s %8s %s\n", 1113 "Device", hlen, header, 1114 "Used", "Avail", "Capacity", "Type"); 1115 div = blocksize / 512; 1116 avail = npfree = 0; 1117 for (i = 0; i < nswdev; i++) { 1118 int xsize, xfree; 1119 1120 if (!totalflag) 1121 (void)printf("/dev/%-6s %*d ", 1122 devname(sw[i].sw_dev, S_IFBLK), 1123 hlen, sw[i].sw_nblks / div); 1124 1125 /* 1126 * Don't report statistics for partitions which have not 1127 * yet been activated via swapon(8). 1128 */ 1129 if (!(sw[i].sw_flags & SW_FREED)) { 1130 if (totalflag) 1131 continue; 1132 (void)printf(" *** not available for swapping ***\n"); 1133 continue; 1134 } 1135 xsize = sw[i].sw_nblks; 1136 xfree = perdev[i]; 1137 used = xsize - xfree; 1138 npfree++; 1139 avail += xsize; 1140 if (totalflag) 1141 continue; 1142 (void)printf("%8d %8d %5.0f%% %s\n", 1143 used / div, xfree / div, 1144 (double)used / (double)xsize * 100.0, 1145 (sw[i].sw_flags & SW_SEQUENTIAL) ? 1146 "Sequential" : "Interleaved"); 1147 } 1148 1149 /* 1150 * If only one partition has been set up via swapon(8), we don't 1151 * need to bother with totals. 1152 */ 1153 used = avail - nfree; 1154 if (totalflag) { 1155 (void)printf("%dM/%dM swap space\n", used / 2048, avail / 2048); 1156 return; 1157 } 1158 if (npfree > 1) { 1159 (void)printf("%-11s %*d %8d %8d %5.0f%%\n", 1160 "Total", hlen, avail / div, used / div, nfree / div, 1161 (double)used / (double)avail * 100.0); 1162 } 1163 } 1164 1165 void 1166 usage() 1167 { 1168 (void)fprintf(stderr, 1169 "usage: pstat [-Tfknstv] [-M core] [-N system]\n"); 1170 exit(1); 1171 } 1172
Indexes created Tue Sep 23 07:09:52 GMT 2025