1 /* 2 * Copyright (c) 1980 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 char copyright[] = 20 "@(#) Copyright (c) 1980 The Regents of the University of California.\n\ 21 All rights reserved.\n"; 22 #endif /* not lint */ 23 24 #ifndef lint 25 static char sccsid[] = "@(#)vmstat.c 5.19 (Berkeley) 05/02/90"; 26 #endif /* not lint */ 27 28 #include <sys/param.h> 29 #include <sys/file.h> 30 #include <sys/vm.h> 31 #include <sys/dkstat.h> 32 #include <sys/buf.h> 33 #include <sys/namei.h> 34 #include <sys/text.h> 35 #include <sys/malloc.h> 36 #include <stdio.h> 37 #include <ctype.h> 38 #include <nlist.h> 39 #include <paths.h> 40 41 struct nlist nl[] = { 42 #define X_CPTIME 0 43 { "_cp_time" }, 44 #define X_RATE 1 45 { "_rate" }, 46 #define X_TOTAL 2 47 { "_total" }, 48 #define X_DEFICIT 3 49 { "_deficit" }, 50 #define X_FORKSTAT 4 51 { "_forkstat" }, 52 #define X_SUM 5 53 { "_sum" }, 54 #define X_FIRSTFREE 6 55 { "_firstfree" }, 56 #define X_MAXFREE 7 57 { "_maxfree" }, 58 #define X_BOOTTIME 8 59 { "_boottime" }, 60 #define X_DKXFER 9 61 { "_dk_xfer" }, 62 #define X_REC 10 63 { "_rectime" }, 64 #define X_PGIN 11 65 { "_pgintime" }, 66 #define X_HZ 12 67 { "_hz" }, 68 #define X_PHZ 13 69 { "_phz" }, 70 #define X_NCHSTATS 14 71 { "_nchstats" }, 72 #define X_INTRNAMES 15 73 { "_intrnames" }, 74 #define X_EINTRNAMES 16 75 { "_eintrnames" }, 76 #define X_INTRCNT 17 77 { "_intrcnt" }, 78 #define X_EINTRCNT 18 79 { "_eintrcnt" }, 80 #define X_DK_NDRIVE 19 81 { "_dk_ndrive" }, 82 #define X_XSTATS 20 83 { "_xstats" }, 84 #define X_KMEMSTAT 21 85 { "_kmemstats" }, 86 #define X_KMEMBUCKETS 22 87 { "_bucket" }, 88 #ifdef vax 89 #define X_MBDINIT (X_XSTATS+1) 90 { "_mbdinit" }, 91 #define X_UBDINIT (X_XSTATS+2) 92 { "_ubdinit" }, 93 #endif 94 #ifdef tahoe 95 #define X_VBDINIT (X_XSTATS+1) 96 { "_vbdinit" }, 97 #define X_CKEYSTATS (X_XSTATS+2) 98 { "_ckeystats" }, 99 #define X_DKEYSTATS (X_XSTATS+3) 100 { "_dkeystats" }, 101 #endif 102 { "" }, 103 }; 104 105 char **dr_name; 106 int *dr_select; 107 int dk_ndrive; 108 int ndrives = 0; 109 #ifdef vax 110 char *defdrives[] = { "hp0", "hp1", "hp2", 0 }; 111 #else 112 char *defdrives[] = { 0 }; 113 #endif 114 double stat1(); 115 int firstfree, maxfree; 116 int hz; 117 int phz; 118 int HZ; 119 120 struct { 121 int busy; 122 long time[CPUSTATES]; 123 long *xfer; 124 struct vmmeter Rate; 125 struct vmtotal Total; 126 struct vmmeter Sum; 127 struct forkstat Forkstat; 128 unsigned rectime; 129 unsigned pgintime; 130 } s, s1, z; 131 #define rate s.Rate 132 #define total s.Total 133 #define sum s.Sum 134 #define forkstat s.Forkstat 135 136 struct vmmeter osum; 137 int deficit; 138 double etime; 139 int mf; 140 time_t now, boottime; 141 int printhdr(); 142 int lines = 1; 143 144 #define INTS(x) ((x) - (hz + phz)) 145 146 main(argc, argv) 147 int argc; 148 char **argv; 149 { 150 extern char *ctime(); 151 register i; 152 int iter, nintv, iflag = 0; 153 long t; 154 char *arg, **cp, buf[BUFSIZ]; 155 156 nlist(_PATH_UNIX, nl); 157 if(nl[0].n_type == 0) { 158 fprintf(stderr, "vmstat: no %s namelist\n", _PATH_UNIX); 159 exit(1); 160 } 161 mf = open(_PATH_KMEM, 0); 162 if(mf < 0) { 163 fprintf(stderr, "vmstat: cannot open %s\n", _PATH_KMEM); 164 exit(1); 165 } 166 iter = 0; 167 argc--, argv++; 168 while (argc>0 && argv[0][0]=='-') { 169 char *cp = *argv++; 170 argc--; 171 while (*++cp) switch (*cp) { 172 173 case 't': 174 dotimes(); 175 exit(0); 176 177 case 'z': 178 close(mf); 179 mf = open(_PATH_KMEM, 2); 180 lseek(mf, (long)nl[X_SUM].n_value, L_SET); 181 write(mf, &z.Sum, sizeof z.Sum); 182 exit(0); 183 184 case 'f': 185 doforkst(); 186 exit(0); 187 188 case 'm': 189 domem(); 190 exit(0); 191 192 case 's': 193 dosum(); 194 exit(0); 195 196 case 'i': 197 iflag++; 198 break; 199 200 default: 201 fprintf(stderr, 202 "usage: vmstat [ -fsim ] [ interval ] [ count]\n"); 203 exit(1); 204 } 205 } 206 lseek(mf, (long)nl[X_FIRSTFREE].n_value, L_SET); 207 read(mf, &firstfree, sizeof firstfree); 208 lseek(mf, (long)nl[X_MAXFREE].n_value, L_SET); 209 read(mf, &maxfree, sizeof maxfree); 210 lseek(mf, (long)nl[X_BOOTTIME].n_value, L_SET); 211 read(mf, &boottime, sizeof boottime); 212 lseek(mf, (long)nl[X_HZ].n_value, L_SET); 213 read(mf, &hz, sizeof hz); 214 if (nl[X_PHZ].n_value != 0) { 215 lseek(mf, (long)nl[X_PHZ].n_value, L_SET); 216 read(mf, &phz, sizeof phz); 217 } 218 HZ = phz ? phz : hz; 219 if (nl[X_DK_NDRIVE].n_value == 0) { 220 fprintf(stderr, "dk_ndrive undefined in system\n"); 221 exit(1); 222 } 223 lseek(mf, nl[X_DK_NDRIVE].n_value, L_SET); 224 read(mf, &dk_ndrive, sizeof (dk_ndrive)); 225 if (dk_ndrive <= 0) { 226 fprintf(stderr, "dk_ndrive %d\n", dk_ndrive); 227 exit(1); 228 } 229 dr_select = (int *)calloc(dk_ndrive, sizeof (int)); 230 dr_name = (char **)calloc(dk_ndrive, sizeof (char *)); 231 #define allocate(e, t) \ 232 s./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \ 233 s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); 234 allocate(xfer, long); 235 for (arg = buf, i = 0; i < dk_ndrive; i++) { 236 dr_name[i] = arg; 237 sprintf(dr_name[i], "dk%d", i); 238 arg += strlen(dr_name[i]) + 1; 239 } 240 read_names(); 241 time(&now); 242 nintv = now - boottime; 243 if (nintv <= 0 || nintv > 60*60*24*365*10) { 244 fprintf(stderr, 245 "Time makes no sense... namelist must be wrong.\n"); 246 exit(1); 247 } 248 if (iflag) { 249 dointr(nintv); 250 exit(0); 251 } 252 /* 253 * Choose drives to be displayed. Priority 254 * goes to (in order) drives supplied as arguments, 255 * default drives. If everything isn't filled 256 * in and there are drives not taken care of, 257 * display the first few that fit. 258 */ 259 ndrives = 0; 260 while (argc > 0 && !isdigit(argv[0][0])) { 261 for (i = 0; i < dk_ndrive; i++) { 262 if (strcmp(dr_name[i], argv[0])) 263 continue; 264 dr_select[i] = 1; 265 ndrives++; 266 } 267 argc--, argv++; 268 } 269 for (i = 0; i < dk_ndrive && ndrives < 4; i++) { 270 if (dr_select[i]) 271 continue; 272 for (cp = defdrives; *cp; cp++) 273 if (strcmp(dr_name[i], *cp) == 0) { 274 dr_select[i] = 1; 275 ndrives++; 276 break; 277 } 278 } 279 for (i = 0; i < dk_ndrive && ndrives < 4; i++) { 280 if (dr_select[i]) 281 continue; 282 dr_select[i] = 1; 283 ndrives++; 284 } 285 if (argc > 1) 286 iter = atoi(argv[1]); 287 signal(SIGCONT, printhdr); 288 loop: 289 if (--lines == 0) 290 printhdr(); 291 lseek(mf, (long)nl[X_CPTIME].n_value, L_SET); 292 read(mf, s.time, sizeof s.time); 293 lseek(mf, (long)nl[X_DKXFER].n_value, L_SET); 294 read(mf, s.xfer, dk_ndrive * sizeof (long)); 295 if (nintv != 1) 296 lseek(mf, (long)nl[X_SUM].n_value, L_SET); 297 else 298 lseek(mf, (long)nl[X_RATE].n_value, L_SET); 299 read(mf, &rate, sizeof rate); 300 lseek(mf, (long)nl[X_TOTAL].n_value, L_SET); 301 read(mf, &total, sizeof total); 302 osum = sum; 303 lseek(mf, (long)nl[X_SUM].n_value, L_SET); 304 read(mf, &sum, sizeof sum); 305 lseek(mf, (long)nl[X_DEFICIT].n_value, L_SET); 306 read(mf, &deficit, sizeof deficit); 307 etime = 0; 308 for (i=0; i < dk_ndrive; i++) { 309 t = s.xfer[i]; 310 s.xfer[i] -= s1.xfer[i]; 311 s1.xfer[i] = t; 312 } 313 for (i=0; i < CPUSTATES; i++) { 314 t = s.time[i]; 315 s.time[i] -= s1.time[i]; 316 s1.time[i] = t; 317 etime += s.time[i]; 318 } 319 if(etime == 0.) 320 etime = 1.; 321 printf("%2d%2d%2d", total.t_rq, total.t_dw+total.t_pw, total.t_sw); 322 #define pgtok(a) ((a)*NBPG/1024) 323 printf("%6d%6d", pgtok(total.t_avm), pgtok(total.t_free)); 324 printf("%4d%3d", (rate.v_pgrec - (rate.v_xsfrec+rate.v_xifrec))/nintv, 325 (rate.v_xsfrec+rate.v_xifrec)/nintv); 326 printf("%4d", pgtok(rate.v_pgpgin)/nintv); 327 printf("%4d%4d%4d%4d", pgtok(rate.v_pgpgout)/nintv, 328 pgtok(rate.v_dfree)/nintv, pgtok(deficit), rate.v_scan/nintv); 329 etime /= (float)HZ; 330 for (i = 0; i < dk_ndrive; i++) 331 if (dr_select[i]) 332 stats(i); 333 printf("%4d%4d%4d", INTS(rate.v_intr/nintv), rate.v_syscall/nintv, 334 rate.v_swtch/nintv); 335 for(i=0; i<CPUSTATES; i++) { 336 float f = stat1(i); 337 if (i == 0) { /* US+NI */ 338 i++; 339 f += stat1(i); 340 } 341 printf("%3.0f", f); 342 } 343 printf("\n"); 344 fflush(stdout); 345 nintv = 1; 346 if (--iter &&argc > 0) { 347 sleep(atoi(argv[0])); 348 goto loop; 349 } 350 } 351 352 printhdr() 353 { 354 register int i, j; 355 356 printf(" procs memory page "); 357 i = (ndrives * 3 - 6) / 2; 358 if (i < 0) 359 i = 0; 360 for (j = 0; j < i; j++) 361 putchar(' '); 362 printf("faults"); 363 i = ndrives * 3 - 6 - i; 364 for (j = 0; j < i; j++) 365 putchar(' '); 366 printf(" cpu\n"); 367 printf(" r b w avm fre re at pi po fr de sr "); 368 for (i = 0; i < dk_ndrive; i++) 369 if (dr_select[i]) 370 printf("%c%c ", dr_name[i][0], dr_name[i][2]); 371 printf(" in sy cs us sy id\n"); 372 lines = 19; 373 } 374 375 dotimes() 376 { 377 378 lseek(mf, (long)nl[X_REC].n_value, L_SET); 379 read(mf, &s.rectime, sizeof s.rectime); 380 lseek(mf, (long)nl[X_PGIN].n_value, L_SET); 381 read(mf, &s.pgintime, sizeof s.pgintime); 382 lseek(mf, (long)nl[X_SUM].n_value, L_SET); 383 read(mf, &sum, sizeof sum); 384 printf("%d reclaims, %d total time (usec)\n", sum.v_pgrec, s.rectime); 385 printf("average: %d usec / reclaim\n", s.rectime/sum.v_pgrec); 386 printf("\n"); 387 printf("%d page ins, %d total time (msec)\n",sum.v_pgin, s.pgintime/10); 388 printf("average: %8.1f msec / page in\n", s.pgintime/(sum.v_pgin*10.0)); 389 } 390 391 #if defined(tahoe) 392 #include <tahoe/cpu.h> 393 #endif 394 395 dosum() 396 { 397 struct nchstats nchstats; 398 struct xstats xstats; 399 long nchtotal; 400 #if defined(tahoe) 401 struct keystats keystats; 402 #endif 403 404 lseek(mf, (long)nl[X_SUM].n_value, L_SET); 405 read(mf, &sum, sizeof sum); 406 printf("%9d swap ins\n", sum.v_swpin); 407 printf("%9d swap outs\n", sum.v_swpout); 408 printf("%9d pages swapped in\n", sum.v_pswpin / CLSIZE); 409 printf("%9d pages swapped out\n", sum.v_pswpout / CLSIZE); 410 printf("%9d total address trans. faults taken\n", sum.v_faults); 411 printf("%9d page ins\n", sum.v_pgin); 412 printf("%9d page outs\n", sum.v_pgout); 413 printf("%9d pages paged in\n", sum.v_pgpgin); 414 printf("%9d pages paged out\n", sum.v_pgpgout); 415 printf("%9d sequential process pages freed\n", sum.v_seqfree); 416 printf("%9d total reclaims (%d%% fast)\n", sum.v_pgrec, 417 pct(sum.v_fastpgrec, sum.v_pgrec)); 418 printf("%9d reclaims from free list\n", sum.v_pgfrec); 419 printf("%9d intransit blocking page faults\n", sum.v_intrans); 420 printf("%9d zero fill pages created\n", sum.v_nzfod / CLSIZE); 421 printf("%9d zero fill page faults\n", sum.v_zfod / CLSIZE); 422 printf("%9d executable fill pages created\n", sum.v_nexfod / CLSIZE); 423 printf("%9d executable fill page faults\n", sum.v_exfod / CLSIZE); 424 printf("%9d swap text pages found in free list\n", sum.v_xsfrec); 425 printf("%9d inode text pages found in free list\n", sum.v_xifrec); 426 printf("%9d file fill pages created\n", sum.v_nvrfod / CLSIZE); 427 printf("%9d file fill page faults\n", sum.v_vrfod / CLSIZE); 428 printf("%9d pages examined by the clock daemon\n", sum.v_scan); 429 printf("%9d revolutions of the clock hand\n", sum.v_rev); 430 printf("%9d pages freed by the clock daemon\n", sum.v_dfree / CLSIZE); 431 printf("%9d cpu context switches\n", sum.v_swtch); 432 printf("%9d device interrupts\n", sum.v_intr); 433 printf("%9d software interrupts\n", sum.v_soft); 434 #ifdef vax 435 printf("%9d pseudo-dma dz interrupts\n", sum.v_pdma); 436 #endif 437 printf("%9d traps\n", sum.v_trap); 438 printf("%9d system calls\n", sum.v_syscall); 439 lseek(mf, (long)nl[X_NCHSTATS].n_value, 0); 440 read(mf, &nchstats, sizeof nchstats); 441 nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits + 442 nchstats.ncs_badhits + nchstats.ncs_falsehits + 443 nchstats.ncs_miss + nchstats.ncs_long; 444 printf("%9d total name lookups\n", nchtotal); 445 printf("%9s cache hits (%d%% pos + %d%% neg) system %d%% per-process\n", 446 "", pct(nchstats.ncs_goodhits, nchtotal), 447 pct(nchstats.ncs_neghits, nchtotal), 448 pct(nchstats.ncs_pass2, nchtotal)); 449 printf("%9s deletions %d%%, falsehits %d%%, toolong %d%%\n", "", 450 pct(nchstats.ncs_badhits, nchtotal), 451 pct(nchstats.ncs_falsehits, nchtotal), 452 pct(nchstats.ncs_long, nchtotal)); 453 lseek(mf, (long)nl[X_XSTATS].n_value, 0); 454 read(mf, &xstats, sizeof xstats); 455 printf("%9d total calls to xalloc (cache hits %d%%)\n", 456 xstats.alloc, pct(xstats.alloc_cachehit, xstats.alloc)); 457 printf("%9s sticky %d flushed %d unused %d\n", "", 458 xstats.alloc_inuse, xstats.alloc_cacheflush, xstats.alloc_unused); 459 printf("%9d total calls to xfree", xstats.free); 460 printf(" (sticky %d cached %d swapped %d)\n", 461 xstats.free_inuse, xstats.free_cache, xstats.free_cacheswap); 462 #if defined(tahoe) 463 lseek(mf, (long)nl[X_CKEYSTATS].n_value, 0); 464 read(mf, &keystats, sizeof keystats); 465 printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n", 466 keystats.ks_allocs, "code cache keys allocated", 467 pct(keystats.ks_allocfree, keystats.ks_allocs), 468 pct(keystats.ks_norefs, keystats.ks_allocs), 469 pct(keystats.ks_taken, keystats.ks_allocs), 470 pct(keystats.ks_shared, keystats.ks_allocs)); 471 lseek(mf, (long)nl[X_DKEYSTATS].n_value, 0); 472 read(mf, &keystats, sizeof keystats); 473 printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n", 474 keystats.ks_allocs, "data cache keys allocated", 475 pct(keystats.ks_allocfree, keystats.ks_allocs), 476 pct(keystats.ks_norefs, keystats.ks_allocs), 477 pct(keystats.ks_taken, keystats.ks_allocs), 478 pct(keystats.ks_shared, keystats.ks_allocs)); 479 #endif 480 } 481 482 doforkst() 483 { 484 485 lseek(mf, (long)nl[X_FORKSTAT].n_value, L_SET); 486 read(mf, &forkstat, sizeof forkstat); 487 printf("%d forks, %d pages, average=%.2f\n", 488 forkstat.cntfork, forkstat.sizfork, 489 (float) forkstat.sizfork / forkstat.cntfork); 490 printf("%d vforks, %d pages, average=%.2f\n", 491 forkstat.cntvfork, forkstat.sizvfork, 492 (float)forkstat.sizvfork / forkstat.cntvfork); 493 } 494 495 stats(dn) 496 { 497 498 if (dn >= dk_ndrive) { 499 printf(" 0"); 500 return; 501 } 502 printf("%3.0f", s.xfer[dn]/etime); 503 } 504 505 double 506 stat1(row) 507 { 508 double t; 509 register i; 510 511 t = 0; 512 for(i=0; i<CPUSTATES; i++) 513 t += s.time[i]; 514 if(t == 0.) 515 t = 1.; 516 return(s.time[row]*100./t); 517 } 518 519 pct(top, bot) 520 { 521 522 if (bot == 0) 523 return (0); 524 return ((top * 100) / bot); 525 } 526 527 dointr(nintv) 528 { 529 int nintr, inttotal; 530 long *intrcnt; 531 char *intrname, *malloc(); 532 533 nintr = (nl[X_EINTRCNT].n_value - nl[X_INTRCNT].n_value) / sizeof(long); 534 intrcnt = (long *) malloc(nl[X_EINTRCNT].n_value - 535 nl[X_INTRCNT].n_value); 536 intrname = malloc(nl[X_EINTRNAMES].n_value - nl[X_INTRNAMES].n_value); 537 if (intrcnt == NULL || intrname == NULL) { 538 fprintf(stderr, "vmstat: out of memory\n"); 539 exit(9); 540 } 541 lseek(mf, (long)nl[X_INTRCNT].n_value, L_SET); 542 read(mf, intrcnt, nintr * sizeof (long)); 543 lseek(mf, (long)nl[X_INTRNAMES].n_value, L_SET); 544 read(mf, intrname, nl[X_EINTRNAMES].n_value - nl[X_INTRNAMES].n_value); 545 printf("interrupt total rate\n"); 546 inttotal = 0; 547 while (nintr--) { 548 if (*intrcnt) 549 printf("%-12s %8ld %8ld\n", intrname, 550 *intrcnt, *intrcnt / nintv); 551 intrname += strlen(intrname) + 1; 552 inttotal += *intrcnt++; 553 } 554 printf("Total %8ld %8ld\n", inttotal, inttotal / nintv); 555 } 556 557 /* 558 * These names must be kept in sync with 559 * the types defined in <sys/malloc.h>. 560 */ 561 char *kmemnames[] = { 562 "free", /* 0 M_FREE */ 563 "mbuf", /* 1 M_MBUF */ 564 "devbuf", /* 2 M_DEVBUF */ 565 "socket", /* 3 M_SOCKET */ 566 "pcb", /* 4 M_PCB */ 567 "routetbl", /* 5 M_RTABLE */ 568 "hosttbl", /* 6 M_HTABLE */ 569 "fragtbl", /* 7 M_FTABLE */ 570 "zombie", /* 8 M_ZOMBIE */ 571 "ifaddr", /* 9 M_IFADDR */ 572 "soopts", /* 10 M_SOOPTS */ 573 "soname", /* 11 M_SONAME */ 574 "namei", /* 12 M_NAMEI */ 575 "gprof", /* 13 M_GPROF */ 576 "ioctlops", /* 14 M_IOCTLOPS */ 577 "superblk", /* 15 M_SUPERBLK */ 578 "cred", /* 16 M_CRED */ 579 "pgrp", /* 17 M_PGRP */ 580 "session", /* 18 M_SESSION */ 581 "iov", /* 19 M_IOV */ 582 "mount", /* 20 M_MOUNT */ 583 "fhandle", /* 21 M_FHANDLE */ 584 "NFS req", /* 22 M_NFSREQ */ 585 "NFS mount", /* 23 M_NFSMNT */ 586 "vnodes", /* 24 M_VNODE */ 587 "namecache", /* 25 M_CACHE */ 588 "UFS quota", /* 26 M_DQUOT */ 589 "UFS mount", /* 27 M_UFSMNT */ 590 0, 591 0, 0, 0, 0, 0, 592 0, 0, 0, 0, 0, 593 0, 0, 0, 0, 0, 594 0, 0, 0, 0, 0, 595 "temp", /* 49 M_TEMP */ 596 }; 597 598 domem() 599 { 600 struct kmemstats kmemstats[M_LAST]; 601 struct kmembuckets buckets[MINBUCKET + 16]; 602 register struct kmembuckets *kp; 603 register struct kmemstats *ks; 604 int i; 605 606 lseek(mf, (long)nl[X_KMEMBUCKETS].n_value, L_SET); 607 read(mf, buckets, sizeof buckets); 608 printf("Memory statistics by bucket size\n"); 609 printf(" Size In Use Free Requests HighWater Couldfree\n"); 610 for (i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16; i++, kp++) { 611 if (kp->kb_calls == 0) 612 continue; 613 printf("%8d%9d%7d%11d%8d%11d\n", 1 << i, 614 kp->kb_total - kp->kb_totalfree, 615 kp->kb_totalfree, kp->kb_calls, 616 kp->kb_highwat, kp->kb_couldfree); 617 618 } 619 lseek(mf, (long)nl[X_KMEMSTAT].n_value, L_SET); 620 read(mf, kmemstats, sizeof kmemstats); 621 printf("Memory statistics by type\n"); 622 printf(" Type In Use MemUse HighUse Limit Requests %s\n", 623 "TypeLimit KernLimit"); 624 for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) { 625 if (ks->ks_calls == 0) 626 continue; 627 printf("%10s%7d%8dK%9dK%6dK%9d%7d%10d\n", 628 kmemnames[i] ? kmemnames[i] : "undefined", 629 ks->ks_inuse, (ks->ks_memuse + 1023) / 1024, 630 (ks->ks_maxused + 1023) / 1024, 631 (ks->ks_limit + 1023) / 1024, ks->ks_calls, 632 ks->ks_limblocks, ks->ks_mapblocks); 633 } 634 } 635 636 #define steal(where, var) \ 637 lseek(mf, where, L_SET); read(mf, &var, sizeof var); 638 /* 639 * Read the drive names out of kmem. 640 */ 641 #ifdef vax 642 #include <vaxuba/ubavar.h> 643 #include <vaxmba/mbavar.h> 644 645 read_names() 646 { 647 struct mba_device mdev; 648 register struct mba_device *mp; 649 struct mba_driver mdrv; 650 short two_char; 651 char *cp = (char *) &two_char; 652 struct uba_device udev, *up; 653 struct uba_driver udrv; 654 655 mp = (struct mba_device *) nl[X_MBDINIT].n_value; 656 up = (struct uba_device *) nl[X_UBDINIT].n_value; 657 if (up == 0) { 658 fprintf(stderr, "vmstat: Disk init info not in namelist\n"); 659 exit(1); 660 } 661 if (mp) for (;;) { 662 steal(mp++, mdev); 663 if (mdev.mi_driver == 0) 664 break; 665 if (mdev.mi_dk < 0 || mdev.mi_alive == 0) 666 continue; 667 steal(mdev.mi_driver, mdrv); 668 steal(mdrv.md_dname, two_char); 669 sprintf(dr_name[mdev.mi_dk], "%c%c%d", 670 cp[0], cp[1], mdev.mi_unit); 671 } 672 for (;;) { 673 steal(up++, udev); 674 if (udev.ui_driver == 0) 675 break; 676 if (udev.ui_dk < 0 || udev.ui_alive == 0) 677 continue; 678 steal(udev.ui_driver, udrv); 679 steal(udrv.ud_dname, two_char); 680 sprintf(dr_name[udev.ui_dk], "%c%c%d", 681 cp[0], cp[1], udev.ui_unit); 682 } 683 } 684 #endif 685 686 #ifdef tahoe 687 #include <tahoevba/vbavar.h> 688 689 /* 690 * Read the drive names out of kmem. 691 */ 692 read_names() 693 { 694 struct vba_device udev, *up; 695 struct vba_driver udrv; 696 short two_char; 697 char *cp = (char *)&two_char; 698 699 up = (struct vba_device *) nl[X_VBDINIT].n_value; 700 if (up == 0) { 701 fprintf(stderr, "vmstat: Disk init info not in namelist\n"); 702 exit(1); 703 } 704 for (;;) { 705 steal(up++, udev); 706 if (udev.ui_driver == 0) 707 break; 708 if (udev.ui_dk < 0 || udev.ui_alive == 0) 709 continue; 710 steal(udev.ui_driver, udrv); 711 steal(udrv.ud_dname, two_char); 712 sprintf(dr_name[udev.ui_dk], "%c%c%d", 713 cp[0], cp[1], udev.ui_unit); 714 } 715 } 716 #endif 717