1 /* 2 * Copyright (c) 1980, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef lint 31 static const char copyright[] = 32 "@(#) Copyright (c) 1980, 1986, 1991, 1993\n\ 33 The Regents of the University of California. All rights reserved.\n"; 34 #endif /* not lint */ 35 36 #if 0 37 #ifndef lint 38 static char sccsid[] = "@(#)vmstat.c 8.1 (Berkeley) 6/6/93"; 39 #endif /* not lint */ 40 #endif 41 42 #include <sys/cdefs.h> 43 __FBSDID("$FreeBSD$"); 44 45 #include <sys/param.h> 46 #include <sys/proc.h> 47 #include <sys/uio.h> 48 #include <sys/namei.h> 49 #include <sys/malloc.h> 50 #include <sys/signal.h> 51 #include <sys/fcntl.h> 52 #include <sys/ioctl.h> 53 #include <sys/resource.h> 54 #include <sys/sysctl.h> 55 #include <sys/time.h> 56 #include <sys/user.h> 57 #include <sys/vmmeter.h> 58 #include <sys/pcpu.h> 59 60 #include <vm/vm_param.h> 61 62 #include <ctype.h> 63 #include <devstat.h> 64 #include <err.h> 65 #include <errno.h> 66 #include <inttypes.h> 67 #include <kvm.h> 68 #include <limits.h> 69 #include <memstat.h> 70 #include <nlist.h> 71 #include <paths.h> 72 #include <stdio.h> 73 #include <stdlib.h> 74 #include <string.h> 75 #include <sysexits.h> 76 #include <time.h> 77 #include <unistd.h> 78 #include <libutil.h> 79 80 static char da[] = "da"; 81 82 static struct nlist namelist[] = { 83 #define X_SUM 0 84 { "_vm_cnt" }, 85 #define X_HZ 1 86 { "_hz" }, 87 #define X_STATHZ 2 88 { "_stathz" }, 89 #define X_NCHSTATS 3 90 { "_nchstats" }, 91 #define X_INTRNAMES 4 92 { "_intrnames" }, 93 #define X_SINTRNAMES 5 94 { "_sintrnames" }, 95 #define X_INTRCNT 6 96 { "_intrcnt" }, 97 #define X_SINTRCNT 7 98 { "_sintrcnt" }, 99 #ifdef notyet 100 #define X_DEFICIT XXX 101 { "_deficit" }, 102 #define X_REC XXX 103 { "_rectime" }, 104 #define X_PGIN XXX 105 { "_pgintime" }, 106 #define X_XSTATS XXX 107 { "_xstats" }, 108 #define X_END XXX 109 #else 110 #define X_END 8 111 #endif 112 { "" }, 113 }; 114 115 static struct statinfo cur, last; 116 static int num_devices, maxshowdevs; 117 static long generation; 118 static struct device_selection *dev_select; 119 static int num_selected; 120 static struct devstat_match *matches; 121 static int num_matches = 0; 122 static int num_devices_specified, num_selections; 123 static long select_generation; 124 static char **specified_devices; 125 static devstat_select_mode select_mode; 126 127 static struct vmmeter sum, osum; 128 129 #define VMSTAT_DEFAULT_LINES 20 /* Default number of `winlines'. */ 130 volatile sig_atomic_t wresized; /* Tty resized, when non-zero. */ 131 static int winlines = VMSTAT_DEFAULT_LINES; /* Current number of tty rows. */ 132 133 static int aflag; 134 static int nflag; 135 static int Pflag; 136 static int hflag; 137 138 static kvm_t *kd; 139 140 #define FORKSTAT 0x01 141 #define INTRSTAT 0x02 142 #define MEMSTAT 0x04 143 #define SUMSTAT 0x08 144 #define TIMESTAT 0x10 145 #define VMSTAT 0x20 146 #define ZMEMSTAT 0x40 147 #define OBJSTAT 0x80 148 149 static void cpustats(void); 150 static void pcpustats(int, u_long, int); 151 static void devstats(void); 152 static void doforkst(void); 153 static void dointr(unsigned int, int); 154 static void doobjstat(void); 155 static void dosum(void); 156 static void dovmstat(unsigned int, int); 157 static void domemstat_malloc(void); 158 static void domemstat_zone(void); 159 static void kread(int, void *, size_t); 160 static void kreado(int, void *, size_t, size_t); 161 static char *kgetstr(const char *); 162 static void needhdr(int); 163 static void needresize(int); 164 static void doresize(void); 165 static void printhdr(int, u_long); 166 static void usage(void); 167 168 static long pct(long, long); 169 static long long getuptime(void); 170 171 static char **getdrivedata(char **); 172 173 int 174 main(int argc, char *argv[]) 175 { 176 int c, todo; 177 unsigned int interval; 178 float f; 179 int reps; 180 char *memf, *nlistf; 181 char errbuf[_POSIX2_LINE_MAX]; 182 183 memf = nlistf = NULL; 184 interval = reps = todo = 0; 185 maxshowdevs = 2; 186 hflag = isatty(1); 187 while ((c = getopt(argc, argv, "ac:fhHiM:mN:n:oPp:stw:z")) != -1) { 188 switch (c) { 189 case 'a': 190 aflag++; 191 break; 192 case 'c': 193 reps = atoi(optarg); 194 break; 195 case 'P': 196 Pflag++; 197 break; 198 case 'f': 199 todo |= FORKSTAT; 200 break; 201 case 'h': 202 hflag = 1; 203 break; 204 case 'H': 205 hflag = 0; 206 break; 207 case 'i': 208 todo |= INTRSTAT; 209 break; 210 case 'M': 211 memf = optarg; 212 break; 213 case 'm': 214 todo |= MEMSTAT; 215 break; 216 case 'N': 217 nlistf = optarg; 218 break; 219 case 'n': 220 nflag = 1; 221 maxshowdevs = atoi(optarg); 222 if (maxshowdevs < 0) 223 errx(1, "number of devices %d is < 0", 224 maxshowdevs); 225 break; 226 case 'o': 227 todo |= OBJSTAT; 228 break; 229 case 'p': 230 if (devstat_buildmatch(optarg, &matches, &num_matches) != 0) 231 errx(1, "%s", devstat_errbuf); 232 break; 233 case 's': 234 todo |= SUMSTAT; 235 break; 236 case 't': 237 #ifdef notyet 238 todo |= TIMESTAT; 239 #else 240 errx(EX_USAGE, "sorry, -t is not (re)implemented yet"); 241 #endif 242 break; 243 case 'w': 244 /* Convert to milliseconds. */ 245 f = atof(optarg); 246 interval = f * 1000; 247 break; 248 case 'z': 249 todo |= ZMEMSTAT; 250 break; 251 case '?': 252 default: 253 usage(); 254 } 255 } 256 argc -= optind; 257 argv += optind; 258 259 if (todo == 0) 260 todo = VMSTAT; 261 262 if (memf != NULL) { 263 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 264 if (kd == NULL) 265 errx(1, "kvm_openfiles: %s", errbuf); 266 } 267 268 retry_nlist: 269 if (kd != NULL && (c = kvm_nlist(kd, namelist)) != 0) { 270 if (c > 0) { 271 /* 272 * 'cnt' was renamed to 'vm_cnt'. If 'vm_cnt' is not 273 * found try looking up older 'cnt' symbol. 274 * */ 275 if (namelist[X_SUM].n_type == 0 && 276 strcmp(namelist[X_SUM].n_name, "_vm_cnt") == 0) { 277 namelist[X_SUM].n_name = "_cnt"; 278 goto retry_nlist; 279 } 280 warnx("undefined symbols:"); 281 for (c = 0; 282 c < (int)(sizeof(namelist)/sizeof(namelist[0])); 283 c++) 284 if (namelist[c].n_type == 0) 285 (void)fprintf(stderr, " %s", 286 namelist[c].n_name); 287 (void)fputc('\n', stderr); 288 } else 289 warnx("kvm_nlist: %s", kvm_geterr(kd)); 290 exit(1); 291 } 292 if (kd && Pflag) 293 errx(1, "Cannot use -P with crash dumps"); 294 295 if (todo & VMSTAT) { 296 /* 297 * Make sure that the userland devstat version matches the 298 * kernel devstat version. If not, exit and print a 299 * message informing the user of his mistake. 300 */ 301 if (devstat_checkversion(NULL) < 0) 302 errx(1, "%s", devstat_errbuf); 303 304 305 argv = getdrivedata(argv); 306 } 307 308 if (*argv) { 309 f = atof(*argv); 310 interval = f * 1000; 311 if (*++argv) 312 reps = atoi(*argv); 313 } 314 315 if (interval) { 316 if (!reps) 317 reps = -1; 318 } else if (reps) 319 interval = 1 * 1000; 320 321 if (todo & FORKSTAT) 322 doforkst(); 323 if (todo & MEMSTAT) 324 domemstat_malloc(); 325 if (todo & ZMEMSTAT) 326 domemstat_zone(); 327 if (todo & SUMSTAT) 328 dosum(); 329 if (todo & OBJSTAT) 330 doobjstat(); 331 #ifdef notyet 332 if (todo & TIMESTAT) 333 dotimes(); 334 #endif 335 if (todo & INTRSTAT) 336 dointr(interval, reps); 337 if (todo & VMSTAT) 338 dovmstat(interval, reps); 339 exit(0); 340 } 341 342 static int 343 mysysctl(const char *name, void *oldp, size_t *oldlenp, 344 void *newp, size_t newlen) 345 { 346 int error; 347 348 error = sysctlbyname(name, oldp, oldlenp, newp, newlen); 349 if (error != 0 && errno != ENOMEM) 350 err(1, "sysctl(%s)", name); 351 return (error); 352 } 353 354 static char ** 355 getdrivedata(char **argv) 356 { 357 if ((num_devices = devstat_getnumdevs(NULL)) < 0) 358 errx(1, "%s", devstat_errbuf); 359 360 cur.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 361 last.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 362 363 if (devstat_getdevs(NULL, &cur) == -1) 364 errx(1, "%s", devstat_errbuf); 365 366 num_devices = cur.dinfo->numdevs; 367 generation = cur.dinfo->generation; 368 369 specified_devices = (char **)malloc(sizeof(char *)); 370 for (num_devices_specified = 0; *argv; ++argv) { 371 if (isdigit(**argv)) 372 break; 373 num_devices_specified++; 374 specified_devices = (char **)realloc(specified_devices, 375 sizeof(char *) * 376 num_devices_specified); 377 specified_devices[num_devices_specified - 1] = *argv; 378 } 379 dev_select = NULL; 380 381 if (nflag == 0 && maxshowdevs < num_devices_specified) 382 maxshowdevs = num_devices_specified; 383 384 /* 385 * People are generally only interested in disk statistics when 386 * they're running vmstat. So, that's what we're going to give 387 * them if they don't specify anything by default. We'll also give 388 * them any other random devices in the system so that we get to 389 * maxshowdevs devices, if that many devices exist. If the user 390 * specifies devices on the command line, either through a pattern 391 * match or by naming them explicitly, we will give the user only 392 * those devices. 393 */ 394 if ((num_devices_specified == 0) && (num_matches == 0)) { 395 if (devstat_buildmatch(da, &matches, &num_matches) != 0) 396 errx(1, "%s", devstat_errbuf); 397 398 select_mode = DS_SELECT_ADD; 399 } else 400 select_mode = DS_SELECT_ONLY; 401 402 /* 403 * At this point, selectdevs will almost surely indicate that the 404 * device list has changed, so we don't look for return values of 0 405 * or 1. If we get back -1, though, there is an error. 406 */ 407 if (devstat_selectdevs(&dev_select, &num_selected, &num_selections, 408 &select_generation, generation, cur.dinfo->devices, 409 num_devices, matches, num_matches, specified_devices, 410 num_devices_specified, select_mode, 411 maxshowdevs, 0) == -1) 412 errx(1, "%s", devstat_errbuf); 413 414 return(argv); 415 } 416 417 /* Return system uptime in nanoseconds */ 418 static long long 419 getuptime(void) 420 { 421 struct timespec sp; 422 423 (void)clock_gettime(CLOCK_UPTIME, &sp); 424 425 return((long long)sp.tv_sec * 1000000000LL + sp.tv_nsec); 426 } 427 428 static void 429 fill_pcpu(struct pcpu ***pcpup, int* maxcpup) 430 { 431 struct pcpu **pcpu; 432 433 int maxcpu, i; 434 435 *pcpup = NULL; 436 437 if (kd == NULL) 438 return; 439 440 maxcpu = kvm_getmaxcpu(kd); 441 if (maxcpu < 0) 442 errx(1, "kvm_getmaxcpu: %s", kvm_geterr(kd)); 443 444 pcpu = calloc(maxcpu, sizeof(struct pcpu *)); 445 if (pcpu == NULL) 446 err(1, "calloc"); 447 448 for (i = 0; i < maxcpu; i++) { 449 pcpu[i] = kvm_getpcpu(kd, i); 450 if (pcpu[i] == (struct pcpu *)-1) 451 errx(1, "kvm_getpcpu: %s", kvm_geterr(kd)); 452 } 453 454 *maxcpup = maxcpu; 455 *pcpup = pcpu; 456 } 457 458 static void 459 free_pcpu(struct pcpu **pcpu, int maxcpu) 460 { 461 int i; 462 463 for (i = 0; i < maxcpu; i++) 464 free(pcpu[i]); 465 free(pcpu); 466 } 467 468 static void 469 fill_vmmeter(struct vmmeter *vmmp) 470 { 471 struct pcpu **pcpu; 472 int maxcpu, i; 473 474 if (kd != NULL) { 475 kread(X_SUM, vmmp, sizeof(*vmmp)); 476 fill_pcpu(&pcpu, &maxcpu); 477 for (i = 0; i < maxcpu; i++) { 478 if (pcpu[i] == NULL) 479 continue; 480 #define ADD_FROM_PCPU(i, name) \ 481 vmmp->name += pcpu[i]->pc_cnt.name 482 ADD_FROM_PCPU(i, v_swtch); 483 ADD_FROM_PCPU(i, v_trap); 484 ADD_FROM_PCPU(i, v_syscall); 485 ADD_FROM_PCPU(i, v_intr); 486 ADD_FROM_PCPU(i, v_soft); 487 ADD_FROM_PCPU(i, v_vm_faults); 488 ADD_FROM_PCPU(i, v_io_faults); 489 ADD_FROM_PCPU(i, v_cow_faults); 490 ADD_FROM_PCPU(i, v_cow_optim); 491 ADD_FROM_PCPU(i, v_zfod); 492 ADD_FROM_PCPU(i, v_ozfod); 493 ADD_FROM_PCPU(i, v_swapin); 494 ADD_FROM_PCPU(i, v_swapout); 495 ADD_FROM_PCPU(i, v_swappgsin); 496 ADD_FROM_PCPU(i, v_swappgsout); 497 ADD_FROM_PCPU(i, v_vnodein); 498 ADD_FROM_PCPU(i, v_vnodeout); 499 ADD_FROM_PCPU(i, v_vnodepgsin); 500 ADD_FROM_PCPU(i, v_vnodepgsout); 501 ADD_FROM_PCPU(i, v_intrans); 502 ADD_FROM_PCPU(i, v_tfree); 503 ADD_FROM_PCPU(i, v_forks); 504 ADD_FROM_PCPU(i, v_vforks); 505 ADD_FROM_PCPU(i, v_rforks); 506 ADD_FROM_PCPU(i, v_kthreads); 507 ADD_FROM_PCPU(i, v_forkpages); 508 ADD_FROM_PCPU(i, v_vforkpages); 509 ADD_FROM_PCPU(i, v_rforkpages); 510 ADD_FROM_PCPU(i, v_kthreadpages); 511 #undef ADD_FROM_PCPU 512 } 513 free_pcpu(pcpu, maxcpu); 514 } else { 515 size_t size = sizeof(unsigned int); 516 #define GET_VM_STATS(cat, name) \ 517 mysysctl("vm.stats." #cat "." #name, &vmmp->name, &size, NULL, 0) 518 /* sys */ 519 GET_VM_STATS(sys, v_swtch); 520 GET_VM_STATS(sys, v_trap); 521 GET_VM_STATS(sys, v_syscall); 522 GET_VM_STATS(sys, v_intr); 523 GET_VM_STATS(sys, v_soft); 524 525 /* vm */ 526 GET_VM_STATS(vm, v_vm_faults); 527 GET_VM_STATS(vm, v_io_faults); 528 GET_VM_STATS(vm, v_cow_faults); 529 GET_VM_STATS(vm, v_cow_optim); 530 GET_VM_STATS(vm, v_zfod); 531 GET_VM_STATS(vm, v_ozfod); 532 GET_VM_STATS(vm, v_swapin); 533 GET_VM_STATS(vm, v_swapout); 534 GET_VM_STATS(vm, v_swappgsin); 535 GET_VM_STATS(vm, v_swappgsout); 536 GET_VM_STATS(vm, v_vnodein); 537 GET_VM_STATS(vm, v_vnodeout); 538 GET_VM_STATS(vm, v_vnodepgsin); 539 GET_VM_STATS(vm, v_vnodepgsout); 540 GET_VM_STATS(vm, v_intrans); 541 GET_VM_STATS(vm, v_reactivated); 542 GET_VM_STATS(vm, v_pdwakeups); 543 GET_VM_STATS(vm, v_pdpages); 544 GET_VM_STATS(vm, v_tcached); 545 GET_VM_STATS(vm, v_dfree); 546 GET_VM_STATS(vm, v_pfree); 547 GET_VM_STATS(vm, v_tfree); 548 GET_VM_STATS(vm, v_page_size); 549 GET_VM_STATS(vm, v_page_count); 550 GET_VM_STATS(vm, v_free_reserved); 551 GET_VM_STATS(vm, v_free_target); 552 GET_VM_STATS(vm, v_free_min); 553 GET_VM_STATS(vm, v_free_count); 554 GET_VM_STATS(vm, v_wire_count); 555 GET_VM_STATS(vm, v_active_count); 556 GET_VM_STATS(vm, v_inactive_target); 557 GET_VM_STATS(vm, v_inactive_count); 558 GET_VM_STATS(vm, v_cache_count); 559 GET_VM_STATS(vm, v_pageout_free_min); 560 GET_VM_STATS(vm, v_interrupt_free_min); 561 /*GET_VM_STATS(vm, v_free_severe);*/ 562 GET_VM_STATS(vm, v_forks); 563 GET_VM_STATS(vm, v_vforks); 564 GET_VM_STATS(vm, v_rforks); 565 GET_VM_STATS(vm, v_kthreads); 566 GET_VM_STATS(vm, v_forkpages); 567 GET_VM_STATS(vm, v_vforkpages); 568 GET_VM_STATS(vm, v_rforkpages); 569 GET_VM_STATS(vm, v_kthreadpages); 570 #undef GET_VM_STATS 571 } 572 } 573 574 static void 575 fill_vmtotal(struct vmtotal *vmtp) 576 { 577 if (kd != NULL) { 578 /* XXX fill vmtp */ 579 errx(1, "not implemented"); 580 } else { 581 size_t size = sizeof(*vmtp); 582 mysysctl("vm.vmtotal", vmtp, &size, NULL, 0); 583 if (size != sizeof(*vmtp)) 584 errx(1, "vm.total size mismatch"); 585 } 586 } 587 588 /* Determine how many cpu columns, and what index they are in kern.cp_times */ 589 static int 590 getcpuinfo(u_long *maskp, int *maxidp) 591 { 592 int maxcpu; 593 int maxid; 594 int ncpus; 595 int i, j; 596 int empty; 597 size_t size; 598 long *times; 599 u_long mask; 600 601 if (kd != NULL) 602 errx(1, "not implemented"); 603 mask = 0; 604 ncpus = 0; 605 size = sizeof(maxcpu); 606 mysysctl("kern.smp.maxcpus", &maxcpu, &size, NULL, 0); 607 if (size != sizeof(maxcpu)) 608 errx(1, "sysctl kern.smp.maxcpus"); 609 size = sizeof(long) * maxcpu * CPUSTATES; 610 times = malloc(size); 611 if (times == NULL) 612 err(1, "malloc %zd bytes", size); 613 mysysctl("kern.cp_times", times, &size, NULL, 0); 614 maxid = (size / CPUSTATES / sizeof(long)) - 1; 615 for (i = 0; i <= maxid; i++) { 616 empty = 1; 617 for (j = 0; empty && j < CPUSTATES; j++) { 618 if (times[i * CPUSTATES + j] != 0) 619 empty = 0; 620 } 621 if (!empty) { 622 mask |= (1ul << i); 623 ncpus++; 624 } 625 } 626 if (maskp) 627 *maskp = mask; 628 if (maxidp) 629 *maxidp = maxid; 630 return (ncpus); 631 } 632 633 634 static void 635 prthuman(u_int64_t val, int size) 636 { 637 char buf[10]; 638 int flags; 639 640 if (size < 5 || size > 9) 641 errx(1, "doofus"); 642 flags = HN_B | HN_NOSPACE | HN_DECIMAL; 643 humanize_number(buf, size, val, "", HN_AUTOSCALE, flags); 644 printf("%*s", size, buf); 645 } 646 647 static int hz, hdrcnt; 648 649 static long *cur_cp_times; 650 static long *last_cp_times; 651 static size_t size_cp_times; 652 653 static void 654 dovmstat(unsigned int interval, int reps) 655 { 656 struct vmtotal total; 657 time_t uptime, halfuptime; 658 struct devinfo *tmp_dinfo; 659 size_t size; 660 int ncpus, maxid; 661 u_long cpumask; 662 int rate_adj; 663 664 uptime = getuptime() / 1000000000LL; 665 halfuptime = uptime / 2; 666 rate_adj = 1; 667 ncpus = 1; 668 maxid = 0; 669 670 /* 671 * If the user stops the program (control-Z) and then resumes it, 672 * print out the header again. 673 */ 674 (void)signal(SIGCONT, needhdr); 675 676 /* 677 * If our standard output is a tty, then install a SIGWINCH handler 678 * and set wresized so that our first iteration through the main 679 * vmstat loop will peek at the terminal's current rows to find out 680 * how many lines can fit in a screenful of output. 681 */ 682 if (isatty(fileno(stdout)) != 0) { 683 wresized = 1; 684 (void)signal(SIGWINCH, needresize); 685 } else { 686 wresized = 0; 687 winlines = VMSTAT_DEFAULT_LINES; 688 } 689 690 if (kd != NULL) { 691 if (namelist[X_STATHZ].n_type != 0 && 692 namelist[X_STATHZ].n_value != 0) 693 kread(X_STATHZ, &hz, sizeof(hz)); 694 if (!hz) 695 kread(X_HZ, &hz, sizeof(hz)); 696 } else { 697 struct clockinfo clockrate; 698 699 size = sizeof(clockrate); 700 mysysctl("kern.clockrate", &clockrate, &size, NULL, 0); 701 if (size != sizeof(clockrate)) 702 errx(1, "clockrate size mismatch"); 703 hz = clockrate.hz; 704 } 705 706 if (Pflag) { 707 ncpus = getcpuinfo(&cpumask, &maxid); 708 size_cp_times = sizeof(long) * (maxid + 1) * CPUSTATES; 709 cur_cp_times = calloc(1, size_cp_times); 710 last_cp_times = calloc(1, size_cp_times); 711 } 712 for (hdrcnt = 1;;) { 713 if (!--hdrcnt) 714 printhdr(maxid, cpumask); 715 if (kd != NULL) { 716 if (kvm_getcptime(kd, cur.cp_time) < 0) 717 errx(1, "kvm_getcptime: %s", kvm_geterr(kd)); 718 } else { 719 size = sizeof(cur.cp_time); 720 mysysctl("kern.cp_time", &cur.cp_time, &size, NULL, 0); 721 if (size != sizeof(cur.cp_time)) 722 errx(1, "cp_time size mismatch"); 723 } 724 if (Pflag) { 725 size = size_cp_times; 726 mysysctl("kern.cp_times", cur_cp_times, &size, NULL, 0); 727 if (size != size_cp_times) 728 errx(1, "cp_times mismatch"); 729 } 730 731 tmp_dinfo = last.dinfo; 732 last.dinfo = cur.dinfo; 733 cur.dinfo = tmp_dinfo; 734 last.snap_time = cur.snap_time; 735 736 /* 737 * Here what we want to do is refresh our device stats. 738 * getdevs() returns 1 when the device list has changed. 739 * If the device list has changed, we want to go through 740 * the selection process again, in case a device that we 741 * were previously displaying has gone away. 742 */ 743 switch (devstat_getdevs(NULL, &cur)) { 744 case -1: 745 errx(1, "%s", devstat_errbuf); 746 break; 747 case 1: { 748 int retval; 749 750 num_devices = cur.dinfo->numdevs; 751 generation = cur.dinfo->generation; 752 753 retval = devstat_selectdevs(&dev_select, &num_selected, 754 &num_selections, &select_generation, 755 generation, cur.dinfo->devices, 756 num_devices, matches, num_matches, 757 specified_devices, 758 num_devices_specified, select_mode, 759 maxshowdevs, 0); 760 switch (retval) { 761 case -1: 762 errx(1, "%s", devstat_errbuf); 763 break; 764 case 1: 765 printhdr(maxid, cpumask); 766 break; 767 default: 768 break; 769 } 770 } 771 default: 772 break; 773 } 774 775 fill_vmmeter(&sum); 776 fill_vmtotal(&total); 777 (void)printf("%1d %1d %1d", 778 total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw); 779 #define vmstat_pgtok(a) ((a) * (sum.v_page_size >> 10)) 780 #define rate(x) (((x) * rate_adj + halfuptime) / uptime) /* round */ 781 if (hflag) { 782 printf(""); 783 prthuman(total.t_avm * (u_int64_t)sum.v_page_size, 5); 784 printf(" "); 785 prthuman(total.t_free * (u_int64_t)sum.v_page_size, 5); 786 printf(" "); 787 (void)printf("%5lu ", 788 (unsigned long)rate(sum.v_vm_faults - 789 osum.v_vm_faults)); 790 } else { 791 printf(" %7d", vmstat_pgtok(total.t_avm)); 792 printf(" %7d ", vmstat_pgtok(total.t_free)); 793 (void)printf("%4lu ", 794 (unsigned long)rate(sum.v_vm_faults - 795 osum.v_vm_faults)); 796 } 797 (void)printf("%3lu ", 798 (unsigned long)rate(sum.v_reactivated - osum.v_reactivated)); 799 (void)printf("%3lu ", 800 (unsigned long)rate(sum.v_swapin + sum.v_vnodein - 801 (osum.v_swapin + osum.v_vnodein))); 802 (void)printf("%3lu ", 803 (unsigned long)rate(sum.v_swapout + sum.v_vnodeout - 804 (osum.v_swapout + osum.v_vnodeout))); 805 (void)printf("%5lu ", 806 (unsigned long)rate(sum.v_tfree - osum.v_tfree)); 807 (void)printf("%4lu ", 808 (unsigned long)rate(sum.v_pdpages - osum.v_pdpages)); 809 devstats(); 810 (void)printf("%4lu %5lu %5lu", 811 (unsigned long)rate(sum.v_intr - osum.v_intr), 812 (unsigned long)rate(sum.v_syscall - osum.v_syscall), 813 (unsigned long)rate(sum.v_swtch - osum.v_swtch)); 814 if (Pflag) 815 pcpustats(ncpus, cpumask, maxid); 816 else 817 cpustats(); 818 (void)printf("\n"); 819 (void)fflush(stdout); 820 if (reps >= 0 && --reps <= 0) 821 break; 822 osum = sum; 823 uptime = interval; 824 rate_adj = 1000; 825 /* 826 * We round upward to avoid losing low-frequency events 827 * (i.e., >= 1 per interval but < 1 per millisecond). 828 */ 829 if (interval != 1) 830 halfuptime = (uptime + 1) / 2; 831 else 832 halfuptime = 0; 833 (void)usleep(interval * 1000); 834 } 835 } 836 837 static void 838 printhdr(int maxid, u_long cpumask) 839 { 840 int i, num_shown; 841 842 num_shown = (num_selected < maxshowdevs) ? num_selected : maxshowdevs; 843 if (hflag) { 844 (void)printf("procs memory page%*s ", 19, ""); 845 } else { 846 (void)printf("procs memory page%*s ", 19, ""); 847 } 848 if (num_shown > 1) 849 (void)printf(" disks %*s", num_shown * 4 - 7, ""); 850 else if (num_shown == 1) 851 (void)printf(" disk"); 852 (void)printf(" faults "); 853 if (Pflag) { 854 for (i = 0; i <= maxid; i++) { 855 if (cpumask & (1ul << i)) 856 printf(" cpu%d ", i); 857 } 858 printf("\n"); 859 } else 860 printf(" cpu\n"); 861 if (hflag) { 862 (void)printf("r b w avm fre flt re pi po fr sr "); 863 } else { 864 (void)printf("r b w avm fre flt re pi po fr sr "); 865 } 866 for (i = 0; i < num_devices; i++) 867 if ((dev_select[i].selected) 868 && (dev_select[i].selected <= maxshowdevs)) 869 (void)printf("%c%c%d ", dev_select[i].device_name[0], 870 dev_select[i].device_name[1], 871 dev_select[i].unit_number); 872 (void)printf(" in sy cs"); 873 if (Pflag) { 874 for (i = 0; i <= maxid; i++) { 875 if (cpumask & (1ul << i)) 876 printf(" us sy id"); 877 } 878 printf("\n"); 879 } else 880 printf(" us sy id\n"); 881 if (wresized != 0) 882 doresize(); 883 hdrcnt = winlines; 884 } 885 886 /* 887 * Force a header to be prepended to the next output. 888 */ 889 static void 890 needhdr(int dummy __unused) 891 { 892 893 hdrcnt = 1; 894 } 895 896 /* 897 * When the terminal is resized, force an update of the maximum number of rows 898 * printed between each header repetition. Then force a new header to be 899 * prepended to the next output. 900 */ 901 void 902 needresize(int signo) 903 { 904 905 wresized = 1; 906 hdrcnt = 1; 907 } 908 909 /* 910 * Update the global `winlines' count of terminal rows. 911 */ 912 void 913 doresize(void) 914 { 915 int status; 916 struct winsize w; 917 918 for (;;) { 919 status = ioctl(fileno(stdout), TIOCGWINSZ, &w); 920 if (status == -1 && errno == EINTR) 921 continue; 922 else if (status == -1) 923 err(1, "ioctl"); 924 if (w.ws_row > 3) 925 winlines = w.ws_row - 3; 926 else 927 winlines = VMSTAT_DEFAULT_LINES; 928 break; 929 } 930 931 /* 932 * Inhibit doresize() calls until we are rescheduled by SIGWINCH. 933 */ 934 wresized = 0; 935 } 936 937 #ifdef notyet 938 static void 939 dotimes(void) 940 { 941 unsigned int pgintime, rectime; 942 943 kread(X_REC, &rectime, sizeof(rectime)); 944 kread(X_PGIN, &pgintime, sizeof(pgintime)); 945 kread(X_SUM, &sum, sizeof(sum)); 946 (void)printf("%u reclaims, %u total time (usec)\n", 947 sum.v_pgrec, rectime); 948 (void)printf("average: %u usec / reclaim\n", rectime / sum.v_pgrec); 949 (void)printf("\n"); 950 (void)printf("%u page ins, %u total time (msec)\n", 951 sum.v_pgin, pgintime / 10); 952 (void)printf("average: %8.1f msec / page in\n", 953 pgintime / (sum.v_pgin * 10.0)); 954 } 955 #endif 956 957 static long 958 pct(long top, long bot) 959 { 960 long ans; 961 962 if (bot == 0) 963 return(0); 964 ans = (quad_t)top * 100 / bot; 965 return (ans); 966 } 967 968 #define PCT(top, bot) pct((long)(top), (long)(bot)) 969 970 static void 971 dosum(void) 972 { 973 struct nchstats lnchstats; 974 long nchtotal; 975 976 fill_vmmeter(&sum); 977 (void)printf("%9u cpu context switches\n", sum.v_swtch); 978 (void)printf("%9u device interrupts\n", sum.v_intr); 979 (void)printf("%9u software interrupts\n", sum.v_soft); 980 (void)printf("%9u traps\n", sum.v_trap); 981 (void)printf("%9u system calls\n", sum.v_syscall); 982 (void)printf("%9u kernel threads created\n", sum.v_kthreads); 983 (void)printf("%9u fork() calls\n", sum.v_forks); 984 (void)printf("%9u vfork() calls\n", sum.v_vforks); 985 (void)printf("%9u rfork() calls\n", sum.v_rforks); 986 (void)printf("%9u swap pager pageins\n", sum.v_swapin); 987 (void)printf("%9u swap pager pages paged in\n", sum.v_swappgsin); 988 (void)printf("%9u swap pager pageouts\n", sum.v_swapout); 989 (void)printf("%9u swap pager pages paged out\n", sum.v_swappgsout); 990 (void)printf("%9u vnode pager pageins\n", sum.v_vnodein); 991 (void)printf("%9u vnode pager pages paged in\n", sum.v_vnodepgsin); 992 (void)printf("%9u vnode pager pageouts\n", sum.v_vnodeout); 993 (void)printf("%9u vnode pager pages paged out\n", sum.v_vnodepgsout); 994 (void)printf("%9u page daemon wakeups\n", sum.v_pdwakeups); 995 (void)printf("%9u pages examined by the page daemon\n", sum.v_pdpages); 996 (void)printf("%9u pages reactivated\n", sum.v_reactivated); 997 (void)printf("%9u copy-on-write faults\n", sum.v_cow_faults); 998 (void)printf("%9u copy-on-write optimized faults\n", sum.v_cow_optim); 999 (void)printf("%9u zero fill pages zeroed\n", sum.v_zfod); 1000 (void)printf("%9u zero fill pages prezeroed\n", sum.v_ozfod); 1001 (void)printf("%9u intransit blocking page faults\n", sum.v_intrans); 1002 (void)printf("%9u total VM faults taken\n", sum.v_vm_faults); 1003 (void)printf("%9u page faults requiring I/O\n", sum.v_io_faults); 1004 (void)printf("%9u pages affected by kernel thread creation\n", 1005 sum.v_kthreadpages); 1006 (void)printf("%9u pages affected by fork()\n", sum.v_forkpages); 1007 (void)printf("%9u pages affected by vfork()\n", sum.v_vforkpages); 1008 (void)printf("%9u pages affected by rfork()\n", sum.v_rforkpages); 1009 (void)printf("%9u pages cached\n", sum.v_tcached); 1010 (void)printf("%9u pages freed\n", sum.v_tfree); 1011 (void)printf("%9u pages freed by daemon\n", sum.v_dfree); 1012 (void)printf("%9u pages freed by exiting processes\n", sum.v_pfree); 1013 (void)printf("%9u pages active\n", sum.v_active_count); 1014 (void)printf("%9u pages inactive\n", sum.v_inactive_count); 1015 (void)printf("%9u pages in VM cache\n", sum.v_cache_count); 1016 (void)printf("%9u pages wired down\n", sum.v_wire_count); 1017 (void)printf("%9u pages free\n", sum.v_free_count); 1018 (void)printf("%9u bytes per page\n", sum.v_page_size); 1019 if (kd != NULL) { 1020 kread(X_NCHSTATS, &lnchstats, sizeof(lnchstats)); 1021 } else { 1022 size_t size = sizeof(lnchstats); 1023 mysysctl("vfs.cache.nchstats", &lnchstats, &size, NULL, 0); 1024 if (size != sizeof(lnchstats)) 1025 errx(1, "vfs.cache.nchstats size mismatch"); 1026 } 1027 nchtotal = lnchstats.ncs_goodhits + lnchstats.ncs_neghits + 1028 lnchstats.ncs_badhits + lnchstats.ncs_falsehits + 1029 lnchstats.ncs_miss + lnchstats.ncs_long; 1030 (void)printf("%9ld total name lookups\n", nchtotal); 1031 (void)printf( 1032 "%9s cache hits (%ld%% pos + %ld%% neg) system %ld%% per-directory\n", 1033 "", PCT(lnchstats.ncs_goodhits, nchtotal), 1034 PCT(lnchstats.ncs_neghits, nchtotal), 1035 PCT(lnchstats.ncs_pass2, nchtotal)); 1036 (void)printf("%9s deletions %ld%%, falsehits %ld%%, toolong %ld%%\n", "", 1037 PCT(lnchstats.ncs_badhits, nchtotal), 1038 PCT(lnchstats.ncs_falsehits, nchtotal), 1039 PCT(lnchstats.ncs_long, nchtotal)); 1040 } 1041 1042 static void 1043 doforkst(void) 1044 { 1045 fill_vmmeter(&sum); 1046 (void)printf("%u forks, %u pages, average %.2f\n", 1047 sum.v_forks, sum.v_forkpages, 1048 sum.v_forks == 0 ? 0.0 : 1049 (double)sum.v_forkpages / sum.v_forks); 1050 (void)printf("%u vforks, %u pages, average %.2f\n", 1051 sum.v_vforks, sum.v_vforkpages, 1052 sum.v_vforks == 0 ? 0.0 : 1053 (double)sum.v_vforkpages / sum.v_vforks); 1054 (void)printf("%u rforks, %u pages, average %.2f\n", 1055 sum.v_rforks, sum.v_rforkpages, 1056 sum.v_rforks == 0 ? 0.0 : 1057 (double)sum.v_rforkpages / sum.v_rforks); 1058 } 1059 1060 static void 1061 devstats(void) 1062 { 1063 int dn, state; 1064 long double transfers_per_second; 1065 long double busy_seconds; 1066 long tmp; 1067 1068 for (state = 0; state < CPUSTATES; ++state) { 1069 tmp = cur.cp_time[state]; 1070 cur.cp_time[state] -= last.cp_time[state]; 1071 last.cp_time[state] = tmp; 1072 } 1073 1074 busy_seconds = cur.snap_time - last.snap_time; 1075 1076 for (dn = 0; dn < num_devices; dn++) { 1077 int di; 1078 1079 if ((dev_select[dn].selected == 0) 1080 || (dev_select[dn].selected > maxshowdevs)) 1081 continue; 1082 1083 di = dev_select[dn].position; 1084 1085 if (devstat_compute_statistics(&cur.dinfo->devices[di], 1086 &last.dinfo->devices[di], busy_seconds, 1087 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 1088 DSM_NONE) != 0) 1089 errx(1, "%s", devstat_errbuf); 1090 1091 (void)printf("%3.0Lf ", transfers_per_second); 1092 } 1093 } 1094 1095 static void 1096 percent(double pct, int *over) 1097 { 1098 char buf[10]; 1099 int l; 1100 1101 l = snprintf(buf, sizeof(buf), "%.0f", pct); 1102 if (l == 1 && *over) { 1103 printf("%s", buf); 1104 (*over)--; 1105 } else 1106 printf("%2s", buf); 1107 if (l > 2) 1108 (*over)++; 1109 } 1110 1111 static void 1112 cpustats(void) 1113 { 1114 int state, over; 1115 double lpct, total; 1116 1117 total = 0; 1118 for (state = 0; state < CPUSTATES; ++state) 1119 total += cur.cp_time[state]; 1120 if (total) 1121 lpct = 100.0 / total; 1122 else 1123 lpct = 0.0; 1124 over = 0; 1125 printf(" "); 1126 percent((cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) * lpct, &over); 1127 printf(" "); 1128 percent((cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) * lpct, &over); 1129 printf(" "); 1130 percent(cur.cp_time[CP_IDLE] * lpct, &over); 1131 } 1132 1133 static void 1134 pcpustats(int ncpus, u_long cpumask, int maxid) 1135 { 1136 int state, i; 1137 double lpct, total; 1138 long tmp; 1139 int over; 1140 1141 /* devstats does this for cp_time */ 1142 for (i = 0; i <= maxid; i++) { 1143 if ((cpumask & (1ul << i)) == 0) 1144 continue; 1145 for (state = 0; state < CPUSTATES; ++state) { 1146 tmp = cur_cp_times[i * CPUSTATES + state]; 1147 cur_cp_times[i * CPUSTATES + state] -= last_cp_times[i * 1148 CPUSTATES + state]; 1149 last_cp_times[i * CPUSTATES + state] = tmp; 1150 } 1151 } 1152 1153 over = 0; 1154 for (i = 0; i <= maxid; i++) { 1155 if ((cpumask & (1ul << i)) == 0) 1156 continue; 1157 total = 0; 1158 for (state = 0; state < CPUSTATES; ++state) 1159 total += cur_cp_times[i * CPUSTATES + state]; 1160 if (total) 1161 lpct = 100.0 / total; 1162 else 1163 lpct = 0.0; 1164 printf(" "); 1165 percent((cur_cp_times[i * CPUSTATES + CP_USER] + 1166 cur_cp_times[i * CPUSTATES + CP_NICE]) * lpct, &over); 1167 printf(" "); 1168 percent((cur_cp_times[i * CPUSTATES + CP_SYS] + 1169 cur_cp_times[i * CPUSTATES + CP_INTR]) * lpct, &over); 1170 printf(" "); 1171 percent(cur_cp_times[i * CPUSTATES + CP_IDLE] * lpct, &over); 1172 } 1173 } 1174 1175 static unsigned int 1176 read_intrcnts(unsigned long **intrcnts) 1177 { 1178 size_t intrcntlen; 1179 1180 if (kd != NULL) { 1181 kread(X_SINTRCNT, &intrcntlen, sizeof(intrcntlen)); 1182 if ((*intrcnts = malloc(intrcntlen)) == NULL) 1183 err(1, "malloc()"); 1184 kread(X_INTRCNT, *intrcnts, intrcntlen); 1185 } else { 1186 for (*intrcnts = NULL, intrcntlen = 1024; ; intrcntlen *= 2) { 1187 *intrcnts = reallocf(*intrcnts, intrcntlen); 1188 if (*intrcnts == NULL) 1189 err(1, "reallocf()"); 1190 if (mysysctl("hw.intrcnt", 1191 *intrcnts, &intrcntlen, NULL, 0) == 0) 1192 break; 1193 } 1194 } 1195 1196 return (intrcntlen / sizeof(unsigned long)); 1197 } 1198 1199 static void 1200 print_intrcnts(unsigned long *intrcnts, unsigned long *old_intrcnts, 1201 char *intrnames, unsigned int nintr, 1202 size_t istrnamlen, long long period_ms) 1203 { 1204 unsigned long *intrcnt, *old_intrcnt; 1205 uint64_t inttotal, old_inttotal, total_count, total_rate; 1206 char* intrname; 1207 unsigned int i; 1208 1209 inttotal = 0; 1210 old_inttotal = 0; 1211 intrname = intrnames; 1212 for (i = 0, intrcnt=intrcnts, old_intrcnt=old_intrcnts; i < nintr; i++) { 1213 if (intrname[0] != '\0' && (*intrcnt != 0 || aflag)) { 1214 unsigned long count, rate; 1215 1216 count = *intrcnt - *old_intrcnt; 1217 rate = (count * 1000 + period_ms / 2) / period_ms; 1218 (void)printf("%-*s %20lu %10lu\n", (int)istrnamlen, 1219 intrname, count, rate); 1220 } 1221 intrname += strlen(intrname) + 1; 1222 inttotal += *intrcnt++; 1223 old_inttotal += *old_intrcnt++; 1224 } 1225 total_count = inttotal - old_inttotal; 1226 total_rate = (total_count * 1000 + period_ms / 2) / period_ms; 1227 (void)printf("%-*s %20" PRIu64 " %10" PRIu64 "\n", (int)istrnamlen, 1228 "Total", total_count, total_rate); 1229 } 1230 1231 static void 1232 dointr(unsigned int interval, int reps) 1233 { 1234 unsigned long *intrcnts; 1235 long long uptime, period_ms; 1236 unsigned long *old_intrcnts = NULL; 1237 size_t clen, inamlen, istrnamlen; 1238 char *intrnames, *intrname; 1239 1240 uptime = getuptime(); 1241 1242 /* Get the names of each interrupt source */ 1243 if (kd != NULL) { 1244 kread(X_SINTRNAMES, &inamlen, sizeof(inamlen)); 1245 if ((intrnames = malloc(inamlen)) == NULL) 1246 err(1, "malloc()"); 1247 kread(X_INTRNAMES, intrnames, inamlen); 1248 } else { 1249 for (intrnames = NULL, inamlen = 1024; ; inamlen *= 2) { 1250 if ((intrnames = reallocf(intrnames, inamlen)) == NULL) 1251 err(1, "reallocf()"); 1252 if (mysysctl("hw.intrnames", 1253 intrnames, &inamlen, NULL, 0) == 0) 1254 break; 1255 } 1256 } 1257 1258 /* Determine the length of the longest interrupt name */ 1259 intrname = intrnames; 1260 istrnamlen = strlen("interrupt"); 1261 while(*intrname != '\0') { 1262 clen = strlen(intrname); 1263 if (clen > istrnamlen) 1264 istrnamlen = clen; 1265 intrname += strlen(intrname) + 1; 1266 } 1267 (void)printf("%-*s %20s %10s\n", (int)istrnamlen, "interrupt", "total", 1268 "rate"); 1269 1270 /* 1271 * Loop reps times printing differential interrupt counts. If reps is 1272 * zero, then run just once, printing total counts 1273 */ 1274 period_ms = uptime / 1000000; 1275 while(1) { 1276 unsigned int nintr; 1277 long long old_uptime; 1278 1279 nintr = read_intrcnts(&intrcnts); 1280 /* 1281 * Initialize old_intrcnts to 0 for the first pass, so 1282 * print_intrcnts will print total interrupts since boot 1283 */ 1284 if (old_intrcnts == NULL) { 1285 old_intrcnts = calloc(nintr, sizeof(unsigned long)); 1286 if (old_intrcnts == NULL) 1287 err(1, "calloc()"); 1288 } 1289 1290 print_intrcnts(intrcnts, old_intrcnts, intrnames, nintr, 1291 istrnamlen, period_ms); 1292 1293 free(old_intrcnts); 1294 old_intrcnts = intrcnts; 1295 if (reps >= 0 && --reps <= 0) 1296 break; 1297 usleep(interval * 1000); 1298 old_uptime = uptime; 1299 uptime = getuptime(); 1300 period_ms = (uptime - old_uptime) / 1000000; 1301 } 1302 } 1303 1304 static void 1305 domemstat_malloc(void) 1306 { 1307 struct memory_type_list *mtlp; 1308 struct memory_type *mtp; 1309 int error, first, i; 1310 1311 mtlp = memstat_mtl_alloc(); 1312 if (mtlp == NULL) { 1313 warn("memstat_mtl_alloc"); 1314 return; 1315 } 1316 if (kd == NULL) { 1317 if (memstat_sysctl_malloc(mtlp, 0) < 0) { 1318 warnx("memstat_sysctl_malloc: %s", 1319 memstat_strerror(memstat_mtl_geterror(mtlp))); 1320 return; 1321 } 1322 } else { 1323 if (memstat_kvm_malloc(mtlp, kd) < 0) { 1324 error = memstat_mtl_geterror(mtlp); 1325 if (error == MEMSTAT_ERROR_KVM) 1326 warnx("memstat_kvm_malloc: %s", 1327 kvm_geterr(kd)); 1328 else 1329 warnx("memstat_kvm_malloc: %s", 1330 memstat_strerror(error)); 1331 } 1332 } 1333 printf("%13s %5s %6s %7s %8s Size(s)\n", "Type", "InUse", "MemUse", 1334 "HighUse", "Requests"); 1335 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1336 mtp = memstat_mtl_next(mtp)) { 1337 if (memstat_get_numallocs(mtp) == 0 && 1338 memstat_get_count(mtp) == 0) 1339 continue; 1340 printf("%13s %5" PRIu64 " %5" PRIu64 "K %7s %8" PRIu64 " ", 1341 memstat_get_name(mtp), memstat_get_count(mtp), 1342 (memstat_get_bytes(mtp) + 1023) / 1024, "-", 1343 memstat_get_numallocs(mtp)); 1344 first = 1; 1345 for (i = 0; i < 32; i++) { 1346 if (memstat_get_sizemask(mtp) & (1 << i)) { 1347 if (!first) 1348 printf(","); 1349 printf("%d", 1 << (i + 4)); 1350 first = 0; 1351 } 1352 } 1353 printf("\n"); 1354 } 1355 memstat_mtl_free(mtlp); 1356 } 1357 1358 static void 1359 domemstat_zone(void) 1360 { 1361 struct memory_type_list *mtlp; 1362 struct memory_type *mtp; 1363 char name[MEMTYPE_MAXNAME + 1]; 1364 int error; 1365 1366 mtlp = memstat_mtl_alloc(); 1367 if (mtlp == NULL) { 1368 warn("memstat_mtl_alloc"); 1369 return; 1370 } 1371 if (kd == NULL) { 1372 if (memstat_sysctl_uma(mtlp, 0) < 0) { 1373 warnx("memstat_sysctl_uma: %s", 1374 memstat_strerror(memstat_mtl_geterror(mtlp))); 1375 return; 1376 } 1377 } else { 1378 if (memstat_kvm_uma(mtlp, kd) < 0) { 1379 error = memstat_mtl_geterror(mtlp); 1380 if (error == MEMSTAT_ERROR_KVM) 1381 warnx("memstat_kvm_uma: %s", 1382 kvm_geterr(kd)); 1383 else 1384 warnx("memstat_kvm_uma: %s", 1385 memstat_strerror(error)); 1386 } 1387 } 1388 printf("%-20s %6s %6s %8s %8s %8s %4s %4s\n\n", "ITEM", "SIZE", 1389 "LIMIT", "USED", "FREE", "REQ", "FAIL", "SLEEP"); 1390 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1391 mtp = memstat_mtl_next(mtp)) { 1392 strlcpy(name, memstat_get_name(mtp), MEMTYPE_MAXNAME); 1393 strcat(name, ":"); 1394 printf("%-20s %6" PRIu64 ", %6" PRIu64 ",%8" PRIu64 ",%8" PRIu64 1395 ",%8" PRIu64 ",%4" PRIu64 ",%4" PRIu64 "\n", name, 1396 memstat_get_size(mtp), memstat_get_countlimit(mtp), 1397 memstat_get_count(mtp), memstat_get_free(mtp), 1398 memstat_get_numallocs(mtp), memstat_get_failures(mtp), 1399 memstat_get_sleeps(mtp)); 1400 } 1401 memstat_mtl_free(mtlp); 1402 printf("\n"); 1403 } 1404 1405 static void 1406 display_object(struct kinfo_vmobject *kvo) 1407 { 1408 const char *str; 1409 1410 printf("%5jd ", (uintmax_t)kvo->kvo_resident); 1411 printf("%5jd ", (uintmax_t)kvo->kvo_active); 1412 printf("%5jd ", (uintmax_t)kvo->kvo_inactive); 1413 printf("%3d ", kvo->kvo_ref_count); 1414 printf("%3d ", kvo->kvo_shadow_count); 1415 switch (kvo->kvo_memattr) { 1416 #ifdef VM_MEMATTR_UNCACHEABLE 1417 case VM_MEMATTR_UNCACHEABLE: 1418 str = "UC"; 1419 break; 1420 #endif 1421 #ifdef VM_MEMATTR_WRITE_COMBINING 1422 case VM_MEMATTR_WRITE_COMBINING: 1423 str = "WC"; 1424 break; 1425 #endif 1426 #ifdef VM_MEMATTR_WRITE_THROUGH 1427 case VM_MEMATTR_WRITE_THROUGH: 1428 str = "WT"; 1429 break; 1430 #endif 1431 #ifdef VM_MEMATTR_WRITE_PROTECTED 1432 case VM_MEMATTR_WRITE_PROTECTED: 1433 str = "WP"; 1434 break; 1435 #endif 1436 #ifdef VM_MEMATTR_WRITE_BACK 1437 case VM_MEMATTR_WRITE_BACK: 1438 str = "WB"; 1439 break; 1440 #endif 1441 #ifdef VM_MEMATTR_WEAK_UNCACHEABLE 1442 case VM_MEMATTR_WEAK_UNCACHEABLE: 1443 str = "UC-"; 1444 break; 1445 #endif 1446 #ifdef VM_MEMATTR_WB_WA 1447 case VM_MEMATTR_WB_WA: 1448 str = "WB"; 1449 break; 1450 #endif 1451 #ifdef VM_MEMATTR_NOCACHE 1452 case VM_MEMATTR_NOCACHE: 1453 str = "NC"; 1454 break; 1455 #endif 1456 #ifdef VM_MEMATTR_DEVICE 1457 case VM_MEMATTR_DEVICE: 1458 str = "DEV"; 1459 break; 1460 #endif 1461 #ifdef VM_MEMATTR_CACHEABLE 1462 case VM_MEMATTR_CACHEABLE: 1463 str = "C"; 1464 break; 1465 #endif 1466 #ifdef VM_MEMATTR_PREFETCHABLE 1467 case VM_MEMATTR_PREFETCHABLE: 1468 str = "PRE"; 1469 break; 1470 #endif 1471 default: 1472 str = "??"; 1473 break; 1474 } 1475 printf("%-3s ", str); 1476 switch (kvo->kvo_type) { 1477 case KVME_TYPE_NONE: 1478 str = "--"; 1479 break; 1480 case KVME_TYPE_DEFAULT: 1481 str = "df"; 1482 break; 1483 case KVME_TYPE_VNODE: 1484 str = "vn"; 1485 break; 1486 case KVME_TYPE_SWAP: 1487 str = "sw"; 1488 break; 1489 case KVME_TYPE_DEVICE: 1490 str = "dv"; 1491 break; 1492 case KVME_TYPE_PHYS: 1493 str = "ph"; 1494 break; 1495 case KVME_TYPE_DEAD: 1496 str = "dd"; 1497 break; 1498 case KVME_TYPE_SG: 1499 str = "sg"; 1500 break; 1501 case KVME_TYPE_UNKNOWN: 1502 default: 1503 str = "??"; 1504 break; 1505 } 1506 printf("%-2s ", str); 1507 printf("%-s\n", kvo->kvo_path); 1508 } 1509 1510 static void 1511 doobjstat(void) 1512 { 1513 struct kinfo_vmobject *kvo; 1514 int cnt, i; 1515 1516 kvo = kinfo_getvmobject(&cnt); 1517 if (kvo == NULL) { 1518 warn("Failed to fetch VM object list"); 1519 return; 1520 } 1521 printf("%5s %5s %5s %3s %3s %3s %2s %s\n", "RES", "ACT", "INACT", 1522 "REF", "SHD", "CM", "TP", "PATH"); 1523 for (i = 0; i < cnt; i++) 1524 display_object(&kvo[i]); 1525 free(kvo); 1526 } 1527 1528 /* 1529 * kread reads something from the kernel, given its nlist index. 1530 */ 1531 static void 1532 kreado(int nlx, void *addr, size_t size, size_t offset) 1533 { 1534 const char *sym; 1535 1536 if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) { 1537 sym = namelist[nlx].n_name; 1538 if (*sym == '_') 1539 ++sym; 1540 errx(1, "symbol %s not defined", sym); 1541 } 1542 if ((size_t)kvm_read(kd, namelist[nlx].n_value + offset, addr, 1543 size) != size) { 1544 sym = namelist[nlx].n_name; 1545 if (*sym == '_') 1546 ++sym; 1547 errx(1, "%s: %s", sym, kvm_geterr(kd)); 1548 } 1549 } 1550 1551 static void 1552 kread(int nlx, void *addr, size_t size) 1553 { 1554 kreado(nlx, addr, size, 0); 1555 } 1556 1557 static char * 1558 kgetstr(const char *strp) 1559 { 1560 int n = 0, size = 1; 1561 char *ret = NULL; 1562 1563 do { 1564 if (size == n + 1) { 1565 ret = realloc(ret, size); 1566 if (ret == NULL) 1567 err(1, "%s: realloc", __func__); 1568 size *= 2; 1569 } 1570 if (kvm_read(kd, (u_long)strp + n, &ret[n], 1) != 1) 1571 errx(1, "%s: %s", __func__, kvm_geterr(kd)); 1572 } while (ret[n++] != '\0'); 1573 return (ret); 1574 } 1575 1576 static void 1577 usage(void) 1578 { 1579 (void)fprintf(stderr, "%s%s", 1580 "usage: vmstat [-afHhimoPsz] [-M core [-N system]] [-c count] [-n devs]\n", 1581 " [-p type,if,pass] [-w wait] [disks] [wait [count]]\n"); 1582 exit(1); 1583 } 1584