| | 1 | /* |
| | 2 | * Copyright (c) 1980, 1986, 1991, 1993 |
| | 3 | * The Regents of the University of California. All rights reserved. |
| | 4 | * |
| | 5 | * %sccs.include.redist.c% |
| | 6 | */ |
| | 7 | |
| | 8 | #ifndef lint |
| | 9 | static char copyright[] = |
| | 10 | "@(#) Copyright (c) 1980, 1986, 1991, 1993\n\ |
| | 11 | The Regents of the University of California. All rights reserved.\n"; |
| | 12 | #endif /* not lint */ |
| | 13 | |
| | 14 | #ifndef lint |
| | 15 | static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) %G%"; |
| | 16 | #endif /* not lint */ |
| | 17 | |
| | 18 | #include <sys/param.h> |
| | 19 | #include <sys/time.h> |
| | 20 | #include <sys/proc.h> |
| | 21 | #include <sys/user.h> |
| | 22 | #include <sys/dkstat.h> |
| | 23 | #include <sys/buf.h> |
| | 24 | #include <sys/namei.h> |
| | 25 | #include <sys/malloc.h> |
| | 26 | #include <sys/signal.h> |
| | 27 | #include <sys/fcntl.h> |
| | 28 | #include <sys/ioctl.h> |
| | 29 | #include <sys/sysctl.h> |
| | 30 | #include <vm/vm.h> |
| | 31 | #include <time.h> |
| | 32 | #include <nlist.h> |
| | 33 | #include <kvm.h> |
| | 34 | #include <errno.h> |
| | 35 | #include <unistd.h> |
| | 36 | #include <stdio.h> |
| | 37 | #include <ctype.h> |
| | 38 | #include <stdlib.h> |
| | 39 | #include <string.h> |
| | 40 | #include <paths.h> |
| | 41 | #include <limits.h> |
| | 42 | |
| | 43 | #define NEWVM /* XXX till old has been updated or purged */ |
| | 44 | struct nlist namelist[] = { |
| | 45 | #define X_CPTIME 0 |
| | 46 | { "_cp_time" }, |
| | 47 | #define X_DK_NDRIVE 1 |
| | 48 | { "_dk_ndrive" }, |
| | 49 | #define X_SUM 2 |
| | 50 | { "_cnt" }, |
| | 51 | #define X_BOOTTIME 3 |
| | 52 | { "_boottime" }, |
| | 53 | #define X_DKXFER 4 |
| | 54 | { "_dk_xfer" }, |
| | 55 | #define X_HZ 5 |
| | 56 | { "_hz" }, |
| | 57 | #define X_STATHZ 6 |
| | 58 | { "_stathz" }, |
| | 59 | #define X_NCHSTATS 7 |
| | 60 | { "_nchstats" }, |
| | 61 | #define X_INTRNAMES 8 |
| | 62 | { "_intrnames" }, |
| | 63 | #define X_EINTRNAMES 9 |
| | 64 | { "_eintrnames" }, |
| | 65 | #define X_INTRCNT 10 |
| | 66 | { "_intrcnt" }, |
| | 67 | #define X_EINTRCNT 11 |
| | 68 | { "_eintrcnt" }, |
| | 69 | #define X_KMEMSTAT 12 |
| | 70 | { "_kmemstats" }, |
| | 71 | #define X_KMEMBUCKETS 13 |
| | 72 | { "_bucket" }, |
| | 73 | #ifdef notdef |
| | 74 | #define X_DEFICIT 14 |
| | 75 | { "_deficit" }, |
| | 76 | #define X_FORKSTAT 15 |
| | 77 | { "_forkstat" }, |
| | 78 | #define X_REC 16 |
| | 79 | { "_rectime" }, |
| | 80 | #define X_PGIN 17 |
| | 81 | { "_pgintime" }, |
| | 82 | #define X_XSTATS 18 |
| | 83 | { "_xstats" }, |
| | 84 | #define X_END 18 |
| | 85 | #else |
| | 86 | #define X_END 14 |
| | 87 | #endif |
| | 88 | #if defined(hp300) || defined(luna68k) |
| | 89 | #define X_HPDINIT (X_END) |
| | 90 | { "_hp_dinit" }, |
| | 91 | #endif |
| | 92 | #ifdef mips |
| | 93 | #define X_SCSI_DINIT (X_END) |
| | 94 | { "_scsi_dinit" }, |
| | 95 | #endif |
| | 96 | #ifdef tahoe |
| | 97 | #define X_VBDINIT (X_END) |
| | 98 | { "_vbdinit" }, |
| | 99 | #define X_CKEYSTATS (X_END+1) |
| | 100 | { "_ckeystats" }, |
| | 101 | #define X_DKEYSTATS (X_END+2) |
| | 102 | { "_dkeystats" }, |
| | 103 | #endif |
| | 104 | #ifdef vax |
| | 105 | #define X_MBDINIT (X_END) |
| | 106 | { "_mbdinit" }, |
| | 107 | #define X_UBDINIT (X_END+1) |
| | 108 | { "_ubdinit" }, |
| | 109 | #endif |
| | 110 | { "" }, |
| | 111 | }; |
| | 112 | |
| | 113 | struct _disk { |
| | 114 | long time[CPUSTATES]; |
| | 115 | long *xfer; |
| | 116 | } cur, last; |
| | 117 | |
| | 118 | struct vmmeter sum, osum; |
| | 119 | char **dr_name; |
| | 120 | int *dr_select, dk_ndrive, ndrives; |
| | 121 | |
| | 122 | int winlines = 20; |
| | 123 | |
| | 124 | kvm_t *kd; |
| | 125 | |
| | 126 | #define FORKSTAT 0x01 |
| | 127 | #define INTRSTAT 0x02 |
| | 128 | #define MEMSTAT 0x04 |
| | 129 | #define SUMSTAT 0x08 |
| | 130 | #define TIMESTAT 0x10 |
| | 131 | #define VMSTAT 0x20 |
| | 132 | |
| | 133 | #include "names.c" /* disk names -- machine dependent */ |
| | 134 | |
| | 135 | void cpustats(), dkstats(), dointr(), domem(), dosum(); |
| | 136 | void dovmstat(), kread(), usage(); |
| | 137 | #ifdef notdef |
| | 138 | void dotimes(), doforkst(); |
| | 139 | #endif |
| | 140 | |
| | 141 | main(argc, argv) |
| | 142 | register int argc; |
| | 143 | register char **argv; |
| | 144 | { |
| | 145 | extern int optind; |
| | 146 | extern char *optarg; |
| | 147 | register int c, todo; |
| | 148 | u_int interval; |
| | 149 | int reps; |
| | 150 | char *memf, *nlistf; |
| | 151 | char errbuf[_POSIX2_LINE_MAX]; |
| | 152 | |
| | 153 | memf = nlistf = NULL; |
| | 154 | interval = reps = todo = 0; |
| | 155 | while ((c = getopt(argc, argv, "c:fiM:mN:stw:")) != EOF) { |
| | 156 | switch (c) { |
| | 157 | case 'c': |
| | 158 | reps = atoi(optarg); |
| | 159 | break; |
| | 160 | #ifndef notdef |
| | 161 | case 'f': |
| | 162 | todo |= FORKSTAT; |
| | 163 | break; |
| | 164 | #endif |
| | 165 | case 'i': |
| | 166 | todo |= INTRSTAT; |
| | 167 | break; |
| | 168 | case 'M': |
| | 169 | memf = optarg; |
| | 170 | break; |
| | 171 | case 'm': |
| | 172 | todo |= MEMSTAT; |
| | 173 | break; |
| | 174 | case 'N': |
| | 175 | nlistf = optarg; |
| | 176 | break; |
| | 177 | case 's': |
| | 178 | todo |= SUMSTAT; |
| | 179 | break; |
| | 180 | #ifndef notdef |
| | 181 | case 't': |
| | 182 | todo |= TIMESTAT; |
| | 183 | break; |
| | 184 | #endif |
| | 185 | case 'w': |
| | 186 | interval = atoi(optarg); |
| | 187 | break; |
| | 188 | case '?': |
| | 189 | default: |
| | 190 | usage(); |
| | 191 | } |
| | 192 | } |
| | 193 | argc -= optind; |
| | 194 | argv += optind; |
| | 195 | |
| | 196 | if (todo == 0) |
| | 197 | todo = VMSTAT; |
| | 198 | |
| | 199 | /* |
| | 200 | * Discard setgid privileges if not the running kernel so that bad |
| | 201 | * guys can't print interesting stuff from kernel memory. |
| | 202 | */ |
| | 203 | if (nlistf != NULL || memf != NULL) |
| | 204 | setgid(getgid()); |
| | 205 | |
| | 206 | kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); |
| | 207 | if (kd == 0) { |
| | 208 | (void)fprintf(stderr, |
| | 209 | "vmstat: kvm_openfiles: %s\n", errbuf); |
| | 210 | exit(1); |
| | 211 | } |
| | 212 | |
| | 213 | if ((c = kvm_nlist(kd, namelist)) != 0) { |
| | 214 | if (c > 0) { |
| | 215 | (void)fprintf(stderr, |
| | 216 | "vmstat: undefined symbols:"); |
| | 217 | for (c = 0; |
| | 218 | c < sizeof(namelist)/sizeof(namelist[0]); c++) |
| | 219 | if (namelist[c].n_type == 0) |
| | 220 | fprintf(stderr, " %s", |
| | 221 | namelist[c].n_name); |
| | 222 | (void)fputc('\n', stderr); |
| | 223 | } else |
| | 224 | (void)fprintf(stderr, "vmstat: kvm_nlist: %s\n", |
| | 225 | kvm_geterr(kd)); |
| | 226 | exit(1); |
| | 227 | } |
| | 228 | |
| | 229 | if (todo & VMSTAT) { |
| | 230 | char **getdrivedata(); |
| | 231 | struct winsize winsize; |
| | 232 | |
| | 233 | argv = getdrivedata(argv); |
| | 234 | winsize.ws_row = 0; |
| | 235 | (void) ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize); |
| | 236 | if (winsize.ws_row > 0) |
| | 237 | winlines = winsize.ws_row; |
| | 238 | |
| | 239 | } |
| | 240 | |
| | 241 | #define BACKWARD_COMPATIBILITY |
| | 242 | #ifdef BACKWARD_COMPATIBILITY |
| | 243 | if (*argv) { |
| | 244 | interval = atoi(*argv); |
| | 245 | if (*++argv) |
| | 246 | reps = atoi(*argv); |
| | 247 | } |
| | 248 | #endif |
| | 249 | |
| | 250 | if (interval) { |
| | 251 | if (!reps) |
| | 252 | reps = -1; |
| | 253 | } else if (reps) |
| | 254 | interval = 1; |
| | 255 | |
| | 256 | #ifdef notdef |
| | 257 | if (todo & FORKSTAT) |
| | 258 | doforkst(); |
| | 259 | #endif |
| | 260 | if (todo & MEMSTAT) |
| | 261 | domem(); |
| | 262 | if (todo & SUMSTAT) |
| | 263 | dosum(); |
| | 264 | #ifdef notdef |
| | 265 | if (todo & TIMESTAT) |
| | 266 | dotimes(); |
| | 267 | #endif |
| | 268 | if (todo & INTRSTAT) |
| | 269 | dointr(); |
| | 270 | if (todo & VMSTAT) |
| | 271 | dovmstat(interval, reps); |
| | 272 | exit(0); |
| | 273 | } |
| | 274 | |
| | 275 | char ** |
| | 276 | getdrivedata(argv) |
| | 277 | char **argv; |
| | 278 | { |
| | 279 | register int i; |
| | 280 | register char **cp; |
| | 281 | char buf[30]; |
| | 282 | |
| | 283 | kread(X_DK_NDRIVE, &dk_ndrive, sizeof(dk_ndrive)); |
| | 284 | if (dk_ndrive <= 0) { |
| | 285 | (void)fprintf(stderr, "vmstat: dk_ndrive %d\n", dk_ndrive); |
| | 286 | exit(1); |
| | 287 | } |
| | 288 | dr_select = calloc((size_t)dk_ndrive, sizeof(int)); |
| | 289 | dr_name = calloc((size_t)dk_ndrive, sizeof(char *)); |
| | 290 | for (i = 0; i < dk_ndrive; i++) |
| | 291 | dr_name[i] = NULL; |
| | 292 | cur.xfer = calloc((size_t)dk_ndrive, sizeof(long)); |
| | 293 | last.xfer = calloc((size_t)dk_ndrive, sizeof(long)); |
| | 294 | if (!read_names()) |
| | 295 | exit (1); |
| | 296 | for (i = 0; i < dk_ndrive; i++) |
| | 297 | if (dr_name[i] == NULL) { |
| | 298 | (void)sprintf(buf, "??%d", i); |
| | 299 | dr_name[i] = strdup(buf); |
| | 300 | } |
| | 301 | |
| | 302 | /* |
| | 303 | * Choose drives to be displayed. Priority goes to (in order) drives |
| | 304 | * supplied as arguments, default drives. If everything isn't filled |
| | 305 | * in and there are drives not taken care of, display the first few |
| | 306 | * that fit. |
| | 307 | */ |
| | 308 | #define BACKWARD_COMPATIBILITY |
| | 309 | for (ndrives = 0; *argv; ++argv) { |
| | 310 | #ifdef BACKWARD_COMPATIBILITY |
| | 311 | if (isdigit(**argv)) |
| | 312 | break; |
| | 313 | #endif |
| | 314 | for (i = 0; i < dk_ndrive; i++) { |
| | 315 | if (strcmp(dr_name[i], *argv)) |
| | 316 | continue; |
| | 317 | dr_select[i] = 1; |
| | 318 | ++ndrives; |
| | 319 | break; |
| | 320 | } |
| | 321 | } |
| | 322 | for (i = 0; i < dk_ndrive && ndrives < 4; i++) { |
| | 323 | if (dr_select[i]) |
| | 324 | continue; |
| | 325 | for (cp = defdrives; *cp; cp++) |
| | 326 | if (strcmp(dr_name[i], *cp) == 0) { |
| | 327 | dr_select[i] = 1; |
| | 328 | ++ndrives; |
| | 329 | break; |
| | 330 | } |
| | 331 | } |
| | 332 | for (i = 0; i < dk_ndrive && ndrives < 4; i++) { |
| | 333 | if (dr_select[i]) |
| | 334 | continue; |
| | 335 | dr_select[i] = 1; |
| | 336 | ++ndrives; |
| | 337 | } |
| | 338 | return(argv); |
| | 339 | } |
| | 340 | |
| | 341 | long |
| | 342 | getuptime() |
| | 343 | { |
| | 344 | static time_t now, boottime; |
| | 345 | time_t uptime; |
| | 346 | |
| | 347 | if (boottime == 0) |
| | 348 | kread(X_BOOTTIME, &boottime, sizeof(boottime)); |
| | 349 | (void)time(&now); |
| | 350 | uptime = now - boottime; |
| | 351 | if (uptime <= 0 || uptime > 60*60*24*365*10) { |
| | 352 | (void)fprintf(stderr, |
| | 353 | "vmstat: time makes no sense; namelist must be wrong.\n"); |
| | 354 | exit(1); |
| | 355 | } |
| | 356 | return(uptime); |
| | 357 | } |
| | 358 | |
| | 359 | int hz, hdrcnt; |
| | 360 | |
| | 361 | void |
| | 362 | dovmstat(interval, reps) |
| | 363 | u_int interval; |
| | 364 | int reps; |
| | 365 | { |
| | 366 | struct vmtotal total; |
| | 367 | time_t uptime, halfuptime; |
| | 368 | void needhdr(); |
| | 369 | int mib[2], size; |
| | 370 | |
| | 371 | uptime = getuptime(); |
| | 372 | halfuptime = uptime / 2; |
| | 373 | (void)signal(SIGCONT, needhdr); |
| | 374 | |
| | 375 | if (namelist[X_STATHZ].n_type != 0 && namelist[X_STATHZ].n_value != 0) |
| | 376 | kread(X_STATHZ, &hz, sizeof(hz)); |
| | 377 | if (!hz) |
| | 378 | kread(X_HZ, &hz, sizeof(hz)); |
| | 379 | |
| | 380 | for (hdrcnt = 1;;) { |
| | 381 | if (!--hdrcnt) |
| | 382 | printhdr(); |
| | 383 | kread(X_CPTIME, cur.time, sizeof(cur.time)); |
| | 384 | kread(X_DKXFER, cur.xfer, sizeof(*cur.xfer) * dk_ndrive); |
| | 385 | kread(X_SUM, &sum, sizeof(sum)); |
| | 386 | size = sizeof(total); |
| | 387 | mib[0] = CTL_VM; |
| | 388 | mib[1] = VM_METER; |
| | 389 | if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) { |
| | 390 | printf("Can't get kerninfo: %s\n", strerror(errno)); |
| | 391 | bzero(&total, sizeof(total)); |
| | 392 | } |
| | 393 | (void)printf("%2d%2d%2d", |
| | 394 | total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw); |
| | 395 | #define pgtok(a) ((a) * sum.v_page_size >> 10) |
| | 396 | #define rate(x) (((x) + halfuptime) / uptime) /* round */ |
| | 397 | (void)printf("%6ld%6ld ", |
| | 398 | pgtok(total.t_avm), pgtok(total.t_free)); |
| | 399 | #ifdef NEWVM |
| | 400 | (void)printf("%4lu ", rate(sum.v_faults - osum.v_faults)); |
| | 401 | (void)printf("%3lu ", |
| | 402 | rate(sum.v_reactivated - osum.v_reactivated)); |
| | 403 | (void)printf("%3lu ", rate(sum.v_pageins - osum.v_pageins)); |
| | 404 | (void)printf("%3lu %3lu ", |
| | 405 | rate(sum.v_pageouts - osum.v_pageouts), 0); |
| | 406 | #else |
| | 407 | (void)printf("%3lu %2lu ", |
| | 408 | rate(sum.v_pgrec - (sum.v_xsfrec+sum.v_xifrec) - |
| | 409 | (osum.v_pgrec - (osum.v_xsfrec+osum.v_xifrec))), |
| | 410 | rate(sum.v_xsfrec + sum.v_xifrec - |
| | 411 | osum.v_xsfrec - osum.v_xifrec)); |
| | 412 | (void)printf("%3lu ", |
| | 413 | rate(pgtok(sum.v_pgpgin - osum.v_pgpgin))); |
| | 414 | (void)printf("%3lu %3lu ", |
| | 415 | rate(pgtok(sum.v_pgpgout - osum.v_pgpgout)), |
| | 416 | rate(pgtok(sum.v_dfree - osum.v_dfree))); |
| | 417 | (void)printf("%3d ", pgtok(deficit)); |
| | 418 | #endif |
| | 419 | (void)printf("%3lu ", rate(sum.v_scan - osum.v_scan)); |
| | 420 | dkstats(); |
| | 421 | (void)printf("%4lu %4lu %3lu ", |
| | 422 | rate(sum.v_intr - osum.v_intr), |
| | 423 | rate(sum.v_syscall - osum.v_syscall), |
| | 424 | rate(sum.v_swtch - osum.v_swtch)); |
| | 425 | cpustats(); |
| | 426 | (void)printf("\n"); |
| | 427 | (void)fflush(stdout); |
| | 428 | if (reps >= 0 && --reps <= 0) |
| | 429 | break; |
| | 430 | osum = sum; |
| | 431 | uptime = interval; |
| | 432 | /* |
| | 433 | * We round upward to avoid losing low-frequency events |
| | 434 | * (i.e., >= 1 per interval but < 1 per second). |
| | 435 | */ |
| | 436 | halfuptime = (uptime + 1) / 2; |
| | 437 | (void)sleep(interval); |
| | 438 | } |
| | 439 | } |
| | 440 | |
| | 441 | printhdr() |
| | 442 | { |
| | 443 | register int i; |
| | 444 | |
| | 445 | (void)printf(" procs memory page%*s", 20, ""); |
| | 446 | if (ndrives > 1) |
| | 447 | (void)printf("disks %*s faults cpu\n", |
| | 448 | ndrives * 3 - 6, ""); |
| | 449 | else |
| | 450 | (void)printf("%*s faults cpu\n", ndrives * 3, ""); |
| | 451 | #ifndef NEWVM |
| | 452 | (void)printf(" r b w avm fre re at pi po fr de sr "); |
| | 453 | #else |
| | 454 | (void)printf(" r b w avm fre flt re pi po fr sr "); |
| | 455 | #endif |
| | 456 | for (i = 0; i < dk_ndrive; i++) |
| | 457 | if (dr_select[i]) |
| | 458 | (void)printf("%c%c ", dr_name[i][0], |
| | 459 | dr_name[i][strlen(dr_name[i]) - 1]); |
| | 460 | (void)printf(" in sy cs us sy id\n"); |
| | 461 | hdrcnt = winlines - 2; |
| | 462 | } |
| | 463 | |
| | 464 | /* |
| | 465 | * Force a header to be prepended to the next output. |
| | 466 | */ |
| | 467 | void |
| | 468 | needhdr() |
| | 469 | { |
| | 470 | |
| | 471 | hdrcnt = 1; |
| | 472 | } |
| | 473 | |
| | 474 | #ifdef notdef |
| | 475 | void |
| | 476 | dotimes() |
| | 477 | { |
| | 478 | u_int pgintime, rectime; |
| | 479 | |
| | 480 | kread(X_REC, &rectime, sizeof(rectime)); |
| | 481 | kread(X_PGIN, &pgintime, sizeof(pgintime)); |
| | 482 | kread(X_SUM, &sum, sizeof(sum)); |
| | 483 | (void)printf("%u reclaims, %u total time (usec)\n", |
| | 484 | sum.v_pgrec, rectime); |
| | 485 | (void)printf("average: %u usec / reclaim\n", rectime / sum.v_pgrec); |
| | 486 | (void)printf("\n"); |
| | 487 | (void)printf("%u page ins, %u total time (msec)\n", |
| | 488 | sum.v_pgin, pgintime / 10); |
| | 489 | (void)printf("average: %8.1f msec / page in\n", |
| | 490 | pgintime / (sum.v_pgin * 10.0)); |
| | 491 | } |
| | 492 | #endif |
| | 493 | |
| | 494 | pct(top, bot) |
| | 495 | long top, bot; |
| | 496 | { |
| | 497 | long ans; |
| | 498 | |
| | 499 | if (bot == 0) |
| | 500 | return(0); |
| | 501 | ans = (quad_t)top * 100 / bot; |
| | 502 | return (ans); |
| | 503 | } |
| | 504 | |
| | 505 | #define PCT(top, bot) pct((long)(top), (long)(bot)) |
| | 506 | |
| | 507 | #if defined(tahoe) |
| | 508 | #include <machine/cpu.h> |
| | 509 | #endif |
| | 510 | |
| | 511 | void |
| | 512 | dosum() |
| | 513 | { |
| | 514 | struct nchstats nchstats; |
| | 515 | #ifndef NEWVM |
| | 516 | struct xstats xstats; |
| | 517 | #endif |
| | 518 | long nchtotal; |
| | 519 | #if defined(tahoe) |
| | 520 | struct keystats keystats; |
| | 521 | #endif |
| | 522 | |
| | 523 | kread(X_SUM, &sum, sizeof(sum)); |
| | 524 | (void)printf("%9u cpu context switches\n", sum.v_swtch); |
| | 525 | (void)printf("%9u device interrupts\n", sum.v_intr); |
| | 526 | (void)printf("%9u software interrupts\n", sum.v_soft); |
| | 527 | #ifdef vax |
| | 528 | (void)printf("%9u pseudo-dma dz interrupts\n", sum.v_pdma); |
| | 529 | #endif |
| | 530 | (void)printf("%9u traps\n", sum.v_trap); |
| | 531 | (void)printf("%9u system calls\n", sum.v_syscall); |
| | 532 | (void)printf("%9u total faults taken\n", sum.v_faults); |
| | 533 | (void)printf("%9u swap ins\n", sum.v_swpin); |
| | 534 | (void)printf("%9u swap outs\n", sum.v_swpout); |
| | 535 | (void)printf("%9u pages swapped in\n", sum.v_pswpin / CLSIZE); |
| | 536 | (void)printf("%9u pages swapped out\n", sum.v_pswpout / CLSIZE); |
| | 537 | (void)printf("%9u page ins\n", sum.v_pageins); |
| | 538 | (void)printf("%9u page outs\n", sum.v_pageouts); |
| | 539 | (void)printf("%9u pages paged in\n", sum.v_pgpgin); |
| | 540 | (void)printf("%9u pages paged out\n", sum.v_pgpgout); |
| | 541 | (void)printf("%9u pages reactivated\n", sum.v_reactivated); |
| | 542 | (void)printf("%9u intransit blocking page faults\n", sum.v_intrans); |
| | 543 | (void)printf("%9u zero fill pages created\n", sum.v_nzfod / CLSIZE); |
| | 544 | (void)printf("%9u zero fill page faults\n", sum.v_zfod / CLSIZE); |
| | 545 | (void)printf("%9u pages examined by the clock daemon\n", sum.v_scan); |
| | 546 | (void)printf("%9u revolutions of the clock hand\n", sum.v_rev); |
| | 547 | #ifdef NEWVM |
| | 548 | (void)printf("%9u VM object cache lookups\n", sum.v_lookups); |
| | 549 | (void)printf("%9u VM object hits\n", sum.v_hits); |
| | 550 | (void)printf("%9u total VM faults taken\n", sum.v_vm_faults); |
| | 551 | (void)printf("%9u copy-on-write faults\n", sum.v_cow_faults); |
| | 552 | (void)printf("%9u pages freed by daemon\n", sum.v_dfree); |
| | 553 | (void)printf("%9u pages freed by exiting processes\n", sum.v_pfree); |
| | 554 | (void)printf("%9u pages free\n", sum.v_free_count); |
| | 555 | (void)printf("%9u pages wired down\n", sum.v_wire_count); |
| | 556 | (void)printf("%9u pages active\n", sum.v_active_count); |
| | 557 | (void)printf("%9u pages inactive\n", sum.v_inactive_count); |
| | 558 | (void)printf("%9u bytes per page\n", sum.v_page_size); |
| | 559 | (void)printf("%9u target inactive pages\n", sum.v_inactive_target); |
| | 560 | (void)printf("%9u target free pages\n", sum.v_free_target); |
| | 561 | (void)printf("%9u minimum free pages\n", sum.v_free_min); |
| | 562 | #else |
| | 563 | (void)printf("%9u sequential process pages freed\n", sum.v_seqfree); |
| | 564 | (void)printf("%9u total reclaims (%d%% fast)\n", sum.v_pgrec, |
| | 565 | PCT(sum.v_fastpgrec, sum.v_pgrec)); |
| | 566 | (void)printf("%9u reclaims from free list\n", sum.v_pgfrec); |
| | 567 | (void)printf("%9u executable fill pages created\n", |
| | 568 | sum.v_nexfod / CLSIZE); |
| | 569 | (void)printf("%9u executable fill page faults\n", |
| | 570 | sum.v_exfod / CLSIZE); |
| | 571 | (void)printf("%9u swap text pages found in free list\n", |
| | 572 | sum.v_xsfrec); |
| | 573 | (void)printf("%9u inode text pages found in free list\n", |
| | 574 | sum.v_xifrec); |
| | 575 | (void)printf("%9u file fill pages created\n", sum.v_nvrfod / CLSIZE); |
| | 576 | (void)printf("%9u file fill page faults\n", sum.v_vrfod / CLSIZE); |
| | 577 | (void)printf("%9u pages freed by the clock daemon\n", |
| | 578 | sum.v_dfree / CLSIZE); |
| | 579 | #endif |
| | 580 | kread(X_NCHSTATS, &nchstats, sizeof(nchstats)); |
| | 581 | nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits + |
| | 582 | nchstats.ncs_badhits + nchstats.ncs_falsehits + |
| | 583 | nchstats.ncs_miss + nchstats.ncs_long; |
| | 584 | (void)printf("%9ld total name lookups\n", nchtotal); |
| | 585 | (void)printf( |
| | 586 | "%9s cache hits (%d%% pos + %d%% neg) system %d%% per-process\n", |
| | 587 | "", PCT(nchstats.ncs_goodhits, nchtotal), |
| | 588 | PCT(nchstats.ncs_neghits, nchtotal), |
| | 589 | PCT(nchstats.ncs_pass2, nchtotal)); |
| | 590 | (void)printf("%9s deletions %d%%, falsehits %d%%, toolong %d%%\n", "", |
| | 591 | PCT(nchstats.ncs_badhits, nchtotal), |
| | 592 | PCT(nchstats.ncs_falsehits, nchtotal), |
| | 593 | PCT(nchstats.ncs_long, nchtotal)); |
| | 594 | #ifndef NEWVM |
| | 595 | kread(X_XSTATS, &xstats, sizeof(xstats)); |
| | 596 | (void)printf("%9lu total calls to xalloc (cache hits %d%%)\n", |
| | 597 | xstats.alloc, PCT(xstats.alloc_cachehit, xstats.alloc)); |
| | 598 | (void)printf("%9s sticky %lu flushed %lu unused %lu\n", "", |
| | 599 | xstats.alloc_inuse, xstats.alloc_cacheflush, xstats.alloc_unused); |
| | 600 | (void)printf("%9lu total calls to xfree", xstats.free); |
| | 601 | (void)printf(" (sticky %lu cached %lu swapped %lu)\n", |
| | 602 | xstats.free_inuse, xstats.free_cache, xstats.free_cacheswap); |
| | 603 | #endif |
| | 604 | #if defined(tahoe) |
| | 605 | kread(X_CKEYSTATS, &keystats, sizeof(keystats)); |
| | 606 | (void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n", |
| | 607 | keystats.ks_allocs, "code cache keys allocated", |
| | 608 | PCT(keystats.ks_allocfree, keystats.ks_allocs), |
| | 609 | PCT(keystats.ks_norefs, keystats.ks_allocs), |
| | 610 | PCT(keystats.ks_taken, keystats.ks_allocs), |
| | 611 | PCT(keystats.ks_shared, keystats.ks_allocs)); |
| | 612 | kread(X_DKEYSTATS, &keystats, sizeof(keystats)); |
| | 613 | (void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n", |
| | 614 | keystats.ks_allocs, "data cache keys allocated", |
| | 615 | PCT(keystats.ks_allocfree, keystats.ks_allocs), |
| | 616 | PCT(keystats.ks_norefs, keystats.ks_allocs), |
| | 617 | PCT(keystats.ks_taken, keystats.ks_allocs), |
| | 618 | PCT(keystats.ks_shared, keystats.ks_allocs)); |
| | 619 | #endif |
| | 620 | } |
| | 621 | |
| | 622 | #ifdef notdef |
| | 623 | void |
| | 624 | doforkst() |
| | 625 | { |
| | 626 | struct forkstat fks; |
| | 627 | |
| | 628 | kread(X_FORKSTAT, &fks, sizeof(struct forkstat)); |
| | 629 | (void)printf("%d forks, %d pages, average %.2f\n", |
| | 630 | fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork); |
| | 631 | (void)printf("%d vforks, %d pages, average %.2f\n", |
| | 632 | fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / fks.cntvfork); |
| | 633 | } |
| | 634 | #endif |
| | 635 | |
| | 636 | void |
| | 637 | dkstats() |
| | 638 | { |
| | 639 | register int dn, state; |
| | 640 | double etime; |
| | 641 | long tmp; |
| | 642 | |
| | 643 | for (dn = 0; dn < dk_ndrive; ++dn) { |
| | 644 | tmp = cur.xfer[dn]; |
| | 645 | cur.xfer[dn] -= last.xfer[dn]; |
| | 646 | last.xfer[dn] = tmp; |
| | 647 | } |
| | 648 | etime = 0; |
| | 649 | for (state = 0; state < CPUSTATES; ++state) { |
| | 650 | tmp = cur.time[state]; |
| | 651 | cur.time[state] -= last.time[state]; |
| | 652 | last.time[state] = tmp; |
| | 653 | etime += cur.time[state]; |
| | 654 | } |
| | 655 | if (etime == 0) |
| | 656 | etime = 1; |
| | 657 | etime /= hz; |
| | 658 | for (dn = 0; dn < dk_ndrive; ++dn) { |
| | 659 | if (!dr_select[dn]) |
| | 660 | continue; |
| | 661 | (void)printf("%2.0f ", cur.xfer[dn] / etime); |
| | 662 | } |
| | 663 | } |
| | 664 | |
| | 665 | void |
| | 666 | cpustats() |
| | 667 | { |
| | 668 | register int state; |
| | 669 | double pct, total; |
| | 670 | |
| | 671 | total = 0; |
| | 672 | for (state = 0; state < CPUSTATES; ++state) |
| | 673 | total += cur.time[state]; |
| | 674 | if (total) |
| | 675 | pct = 100 / total; |
| | 676 | else |
| | 677 | pct = 0; |
| | 678 | (void)printf("%2.0f ", (cur.time[CP_USER] + cur.time[CP_NICE]) * pct); |
| | 679 | (void)printf("%2.0f ", (cur.time[CP_SYS] + cur.time[CP_INTR]) * pct); |
| | 680 | (void)printf("%2.0f", cur.time[CP_IDLE] * pct); |
| | 681 | } |
| | 682 | |
| | 683 | void |
| | 684 | dointr() |
| | 685 | { |
| | 686 | register long *intrcnt, inttotal, uptime; |
| | 687 | register int nintr, inamlen; |
| | 688 | register char *intrname; |
| | 689 | |
| | 690 | uptime = getuptime(); |
| | 691 | nintr = namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value; |
| | 692 | inamlen = |
| | 693 | namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value; |
| | 694 | intrcnt = malloc((size_t)nintr); |
| | 695 | intrname = malloc((size_t)inamlen); |
| | 696 | if (intrcnt == NULL || intrname == NULL) { |
| | 697 | (void)fprintf(stderr, "vmstat: %s.\n", strerror(errno)); |
| | 698 | exit(1); |
| | 699 | } |
| | 700 | kread(X_INTRCNT, intrcnt, (size_t)nintr); |
| | 701 | kread(X_INTRNAMES, intrname, (size_t)inamlen); |
| | 702 | (void)printf("interrupt total rate\n"); |
| | 703 | inttotal = 0; |
| | 704 | nintr /= sizeof(long); |
| | 705 | while (--nintr >= 0) { |
| | 706 | if (*intrcnt) |
| | 707 | (void)printf("%-12s %8ld %8ld\n", intrname, |
| | 708 | *intrcnt, *intrcnt / uptime); |
| | 709 | intrname += strlen(intrname) + 1; |
| | 710 | inttotal += *intrcnt++; |
| | 711 | } |
| | 712 | (void)printf("Total %8ld %8ld\n", inttotal, inttotal / uptime); |
| | 713 | } |
| | 714 | |
| | 715 | /* |
| | 716 | * These names are defined in <sys/malloc.h>. |
| | 717 | */ |
| | 718 | char *kmemnames[] = INITKMEMNAMES; |
| | 719 | |
| | 720 | void |
| | 721 | domem() |
| | 722 | { |
| | 723 | register struct kmembuckets *kp; |
| | 724 | register struct kmemstats *ks; |
| | 725 | register int i, j; |
| | 726 | int len, size, first; |
| | 727 | long totuse = 0, totfree = 0, totreq = 0; |
| | 728 | char *name; |
| | 729 | struct kmemstats kmemstats[M_LAST]; |
| | 730 | struct kmembuckets buckets[MINBUCKET + 16]; |
| | 731 | |
| | 732 | kread(X_KMEMBUCKETS, buckets, sizeof(buckets)); |
| | 733 | (void)printf("Memory statistics by bucket size\n"); |
| | 734 | (void)printf( |
| | 735 | " Size In Use Free Requests HighWater Couldfree\n"); |
| | 736 | for (i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16; i++, kp++) { |
| | 737 | if (kp->kb_calls == 0) |
| | 738 | continue; |
| | 739 | size = 1 << i; |
| | 740 | (void)printf("%8d %8ld %6ld %10ld %7ld %10ld\n", size, |
| | 741 | kp->kb_total - kp->kb_totalfree, |
| | 742 | kp->kb_totalfree, kp->kb_calls, |
| | 743 | kp->kb_highwat, kp->kb_couldfree); |
| | 744 | totfree += size * kp->kb_totalfree; |
| | 745 | } |
| | 746 | |
| | 747 | kread(X_KMEMSTAT, kmemstats, sizeof(kmemstats)); |
| | 748 | (void)printf("\nMemory usage type by bucket size\n"); |
| | 749 | (void)printf(" Size Type(s)\n"); |
| | 750 | kp = &buckets[MINBUCKET]; |
| | 751 | for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1, kp++) { |
| | 752 | if (kp->kb_calls == 0) |
| | 753 | continue; |
| | 754 | first = 1; |
| | 755 | len = 8; |
| | 756 | for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) { |
| | 757 | if (ks->ks_calls == 0) |
| | 758 | continue; |
| | 759 | if ((ks->ks_size & j) == 0) |
| | 760 | continue; |
| | 761 | name = kmemnames[i] ? kmemnames[i] : "undefined"; |
| | 762 | len += 2 + strlen(name); |
| | 763 | if (first) |
| | 764 | printf("%8d %s", j, name); |
| | 765 | else |
| | 766 | printf(","); |
| | 767 | if (len >= 80) { |
| | 768 | printf("\n\t "); |
| | 769 | len = 10 + strlen(name); |
| | 770 | } |
| | 771 | if (!first) |
| | 772 | printf(" %s", name); |
| | 773 | first = 0; |
| | 774 | } |
| | 775 | printf("\n"); |
| | 776 | } |
| | 777 | |
| | 778 | (void)printf( |
| | 779 | "\nMemory statistics by type Type Kern\n"); |
| | 780 | (void)printf( |
| | 781 | " Type InUse MemUse HighUse Limit Requests Limit Limit Size(s)\n"); |
| | 782 | for (i = 0, ks = &kmemstats[0]; i < M_LAST; i++, ks++) { |
| | 783 | if (ks->ks_calls == 0) |
| | 784 | continue; |
| | 785 | (void)printf("%11s%6ld%6ldK%7ldK%6ldK%9ld%5u%6u", |
| | 786 | kmemnames[i] ? kmemnames[i] : "undefined", |
| | 787 | ks->ks_inuse, (ks->ks_memuse + 1023) / 1024, |
| | 788 | (ks->ks_maxused + 1023) / 1024, |
| | 789 | (ks->ks_limit + 1023) / 1024, ks->ks_calls, |
| | 790 | ks->ks_limblocks, ks->ks_mapblocks); |
| | 791 | first = 1; |
| | 792 | for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) { |
| | 793 | if ((ks->ks_size & j) == 0) |
| | 794 | continue; |
| | 795 | if (first) |
| | 796 | printf(" %d", j); |
| | 797 | else |
| | 798 | printf(",%d", j); |
| | 799 | first = 0; |
| | 800 | } |
| | 801 | printf("\n"); |
| | 802 | totuse += ks->ks_memuse; |
| | 803 | totreq += ks->ks_calls; |
| | 804 | } |
| | 805 | (void)printf("\nMemory Totals: In Use Free Requests\n"); |
| | 806 | (void)printf(" %7ldK %6ldK %8ld\n", |
| | 807 | (totuse + 1023) / 1024, (totfree + 1023) / 1024, totreq); |
| | 808 | } |
| | 809 | |
| | 810 | /* |
| | 811 | * kread reads something from the kernel, given its nlist index. |
| | 812 | */ |
| | 813 | void |
| | 814 | kread(nlx, addr, size) |
| | 815 | int nlx; |
| | 816 | void *addr; |
| | 817 | size_t size; |
| | 818 | { |
| | 819 | char *sym; |
| | 820 | |
| | 821 | if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) { |
| | 822 | sym = namelist[nlx].n_name; |
| | 823 | if (*sym == '_') |
| | 824 | ++sym; |
| | 825 | (void)fprintf(stderr, |
| | 826 | "vmstat: symbol %s not defined\n", sym); |
| | 827 | exit(1); |
| | 828 | } |
| | 829 | if (kvm_read(kd, namelist[nlx].n_value, addr, size) != size) { |
| | 830 | sym = namelist[nlx].n_name; |
| | 831 | if (*sym == '_') |
| | 832 | ++sym; |
| | 833 | (void)fprintf(stderr, "vmstat: %s: %s\n", sym, kvm_geterr(kd)); |
| | 834 | exit(1); |
| | 835 | } |
| | 836 | } |
| | 837 | |
| | 838 | void |
| | 839 | usage() |
| | 840 | { |
| | 841 | (void)fprintf(stderr, |
| | 842 | #ifndef NEWVM |
| | 843 | "usage: vmstat [-fimst] [-c count] [-M core] \ |
| | 844 | [-N system] [-w wait] [disks]\n"); |
| | 845 | #else |
| | 846 | "usage: vmstat [-ims] [-c count] [-M core] \ |
| | 847 | [-N system] [-w wait] [disks]\n"); |
| | 848 | #endif |
| | 849 | exit(1); |
| | 850 | } |
projects / unix-history / blame_incremental