1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1980, 1986, 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/param.h> 33#include <sys/proc.h> 34#include <sys/uio.h> 35#include <sys/namei.h> 36#include <sys/malloc.h> 37#include <sys/signal.h> 38#include <sys/fcntl.h> 39#include <sys/ioctl.h> 40#include <sys/resource.h> 41#include <sys/sysctl.h> 42#include <sys/time.h> 43#include <sys/user.h> 44#define _WANT_VMMETER 45#include <sys/vmmeter.h> 46#include <sys/pcpu.h> 47 48#include <vm/vm_param.h> 49 50#include <ctype.h> 51#include <devstat.h> 52#include <err.h> 53#include <errno.h> 54#include <inttypes.h> 55#include <kvm.h> 56#include <limits.h> 57#include <memstat.h> 58#include <nlist.h> 59#include <paths.h> 60#include <stdio.h> 61#include <stdlib.h> 62#include <string.h> 63#include <sysexits.h> 64#include <time.h> 65#include <unistd.h> 66#include <libutil.h> 67#include <libxo/xo.h> 68 69#define VMSTAT_XO_VERSION "1" 70 71static char da[] = "da"; 72 73enum x_stats { X_SUM, X_HZ, X_STATHZ, X_NCHSTATS, X_INTRNAMES, X_SINTRNAMES, 74 X_INTRCNT, X_SINTRCNT, X_NINTRCNT }; 75 76static struct nlist namelist[] = { 77 [X_SUM] = { .n_name = "_vm_cnt", }, 78 [X_HZ] = { .n_name = "_hz", }, 79 [X_STATHZ] = { .n_name = "_stathz", }, 80 [X_NCHSTATS] = { .n_name = "_nchstats", }, 81 [X_INTRNAMES] = { .n_name = "_intrnames", }, 82 [X_SINTRNAMES] = { .n_name = "_sintrnames", }, 83 [X_INTRCNT] = { .n_name = "_intrcnt", }, 84 [X_SINTRCNT] = { .n_name = "_sintrcnt", }, 85 [X_NINTRCNT] = { .n_name = "_nintrcnt", }, 86 { .n_name = NULL, }, 87}; 88 89static struct devstat_match *matches; 90static struct device_selection *dev_select; 91static struct statinfo cur, last; 92static devstat_select_mode select_mode; 93static size_t size_cp_times; 94static long *cur_cp_times, *last_cp_times; 95static long generation, select_generation; 96static int hz, hdrcnt, maxshowdevs; 97static int num_devices, num_devices_specified; 98static int num_matches, num_selected, num_selections; 99static char **specified_devices; 100 101static struct __vmmeter { 102 uint64_t v_swtch; 103 uint64_t v_trap; 104 uint64_t v_syscall; 105 uint64_t v_intr; 106 uint64_t v_soft; 107 uint64_t v_vm_faults; 108 uint64_t v_io_faults; 109 uint64_t v_cow_faults; 110 uint64_t v_cow_optim; 111 uint64_t v_zfod; 112 uint64_t v_ozfod; 113 uint64_t v_swapin; 114 uint64_t v_swapout; 115 uint64_t v_swappgsin; 116 uint64_t v_swappgsout; 117 uint64_t v_vnodein; 118 uint64_t v_vnodeout; 119 uint64_t v_vnodepgsin; 120 uint64_t v_vnodepgsout; 121 uint64_t v_intrans; 122 uint64_t v_reactivated; 123 uint64_t v_pdwakeups; 124 uint64_t v_pdpages; 125 uint64_t v_pdshortfalls; 126 uint64_t v_dfree; 127 uint64_t v_pfree; 128 uint64_t v_tfree; 129 uint64_t v_forks; 130 uint64_t v_vforks; 131 uint64_t v_rforks; 132 uint64_t v_kthreads; 133 uint64_t v_forkpages; 134 uint64_t v_vforkpages; 135 uint64_t v_rforkpages; 136 uint64_t v_kthreadpages; 137 u_int v_page_size; 138 u_int v_page_count; 139 u_int v_free_reserved; 140 u_int v_free_target; 141 u_int v_free_min; 142 u_int v_free_count; 143 u_int v_wire_count; 144 u_long v_user_wire_count; 145 u_int v_active_count; 146 u_int v_inactive_target; 147 u_int v_inactive_count; 148 u_int v_laundry_count; 149 u_int v_pageout_free_min; 150 u_int v_interrupt_free_min; 151 u_int v_free_severe; 152} sum, osum; 153 154#define VMSTAT_DEFAULT_LINES 20 /* Default number of `winlines'. */ 155static volatile sig_atomic_t wresized; /* Tty resized when non-zero. */ 156static int winlines = VMSTAT_DEFAULT_LINES; /* Current number of tty rows. */ 157 158static int aflag; 159static int nflag; 160static int Pflag; 161static int hflag; 162 163static kvm_t *kd; 164 165#define FORKSTAT 0x01 166#define INTRSTAT 0x02 167#define MEMSTAT 0x04 168#define SUMSTAT 0x08 169#define TIMESTAT 0x10 170#define VMSTAT 0x20 171#define ZMEMSTAT 0x40 172#define OBJSTAT 0x80 173 174static void cpustats(void); 175static void pcpustats(u_long, int); 176static void devstats(void); 177static void doforkst(void); 178static void dointr(unsigned int, int); 179static void doobjstat(void); 180static void dosum(void); 181static void dovmstat(unsigned int, int); 182static void domemstat_malloc(void); 183static void domemstat_zone(void); 184static void kread(int, void *, size_t); 185static void kreado(int, void *, size_t, size_t); 186static void kreadptr(uintptr_t, void *, size_t); 187static void needhdr(int); 188static void needresize(int); 189static void doresize(void); 190static void printhdr(int, u_long); 191static void usage(void); 192 193static long pct(long, long); 194static long long getuptime(void); 195 196static char **getdrivedata(char **); 197 198int 199main(int argc, char *argv[]) 200{ 201 char *bp, *buf, *memf, *nlistf; 202 float f; 203 int bufsize, c, reps, todo; 204 size_t len; 205 unsigned int interval; 206 char errbuf[_POSIX2_LINE_MAX]; 207 208 memf = nlistf = NULL; 209 interval = reps = todo = 0; 210 maxshowdevs = 2; 211 212 argc = xo_parse_args(argc, argv); 213 if (argc < 0) 214 return (argc); 215 216 hflag = isatty(1); 217 218 while ((c = getopt(argc, argv, "ac:fhHiM:mN:n:oPp:sw:z")) != -1) { 219 switch (c) { 220 case 'a': 221 aflag++; 222 break; 223 case 'c': 224 reps = atoi(optarg); 225 break; 226 case 'P': 227 Pflag++; 228 break; 229 case 'f': 230 todo |= FORKSTAT; 231 break; 232 case 'h': 233 hflag = 1; 234 break; 235 case 'H': 236 hflag = 0; 237 break; 238 case 'i': 239 todo |= INTRSTAT; 240 break; 241 case 'M': 242 memf = optarg; 243 break; 244 case 'm': 245 todo |= MEMSTAT; 246 break; 247 case 'N': 248 nlistf = optarg; 249 break; 250 case 'n': 251 nflag = 1; 252 maxshowdevs = atoi(optarg); 253 if (maxshowdevs < 0) 254 xo_errx(1, "number of devices %d is < 0", 255 maxshowdevs); 256 break; 257 case 'o': 258 todo |= OBJSTAT; 259 break; 260 case 'p': 261 if (devstat_buildmatch(optarg, &matches, &num_matches) 262 != 0) 263 xo_errx(1, "%s", devstat_errbuf); 264 break; 265 case 's': 266 todo |= SUMSTAT; 267 break; 268 case 'w': 269 /* Convert to milliseconds. */ 270 f = atof(optarg); 271 interval = f * 1000; 272 break; 273 case 'z': 274 todo |= ZMEMSTAT; 275 break; 276 case '?': 277 default: 278 usage(); 279 } 280 } 281 argc -= optind; 282 argv += optind; 283 284 xo_set_version(VMSTAT_XO_VERSION); 285 if (!hflag) 286 xo_set_options(NULL, "no-humanize"); 287 if (todo == 0) 288 todo = VMSTAT; 289 290 if (memf != NULL) { 291 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 292 if (kd == NULL) 293 xo_errx(1, "kvm_openfiles: %s", errbuf); 294 } 295 296retry_nlist: 297 if (kd != NULL && (c = kvm_nlist(kd, namelist)) != 0) { 298 if (c > 0) { 299 bufsize = 0; 300 len = 0; 301 302 /* 303 * 'cnt' was renamed to 'vm_cnt'. If 'vm_cnt' is not 304 * found try looking up older 'cnt' symbol. 305 * */ 306 if (namelist[X_SUM].n_type == 0 && 307 strcmp(namelist[X_SUM].n_name, "_vm_cnt") == 0) { 308 namelist[X_SUM].n_name = "_cnt"; 309 goto retry_nlist; 310 } 311 312 /* 313 * 'nintrcnt' doesn't exist in older kernels, but 314 * that isn't fatal. 315 */ 316 if (namelist[X_NINTRCNT].n_type == 0 && c == 1) 317 goto nlist_ok; 318 319 for (c = 0; c < (int)(nitems(namelist)); c++) 320 if (namelist[c].n_type == 0) 321 bufsize += strlen(namelist[c].n_name) 322 + 1; 323 bufsize += len + 1; 324 buf = bp = alloca(bufsize); 325 326 for (c = 0; c < (int)(nitems(namelist)); c++) 327 if (namelist[c].n_type == 0) { 328 xo_error(" %s", 329 namelist[c].n_name); 330 len = strlen(namelist[c].n_name); 331 *bp++ = ' '; 332 memcpy(bp, namelist[c].n_name, len); 333 bp += len; 334 } 335 *bp = '\0'; 336 xo_error("undefined symbols:\n", buf); 337 } else 338 xo_warnx("kvm_nlist: %s", kvm_geterr(kd)); 339 xo_finish(); 340 exit(1); 341 } 342nlist_ok: 343 if (kd && Pflag) 344 xo_errx(1, "Cannot use -P with crash dumps"); 345 346 if (todo & VMSTAT) { 347 /* 348 * Make sure that the userland devstat version matches the 349 * kernel devstat version. If not, exit and print a 350 * message informing the user of his mistake. 351 */ 352 if (devstat_checkversion(NULL) < 0) 353 xo_errx(1, "%s", devstat_errbuf); 354 355 356 argv = getdrivedata(argv); 357 } 358 359 if (*argv) { 360 f = atof(*argv); 361 interval = f * 1000; 362 if (*++argv) 363 reps = atoi(*argv); 364 } 365 366 if (interval) { 367 if (!reps) 368 reps = -1; 369 } else if (reps) 370 interval = 1 * 1000; 371 372 if (todo & FORKSTAT) 373 doforkst(); 374 if (todo & MEMSTAT) 375 domemstat_malloc(); 376 if (todo & ZMEMSTAT) 377 domemstat_zone(); 378 if (todo & SUMSTAT) 379 dosum(); 380 if (todo & OBJSTAT) 381 doobjstat(); 382 if (todo & INTRSTAT) 383 dointr(interval, reps); 384 if (todo & VMSTAT) 385 dovmstat(interval, reps); 386 xo_finish(); 387 exit(0); 388} 389 390static int 391mysysctl(const char *name, void *oldp, size_t *oldlenp) 392{ 393 int error; 394 395 error = sysctlbyname(name, oldp, oldlenp, NULL, 0); 396 if (error != 0 && errno != ENOMEM) 397 xo_err(1, "sysctl(%s)", name); 398 return (error); 399} 400 401static char ** 402getdrivedata(char **argv) 403{ 404 405 if ((num_devices = devstat_getnumdevs(NULL)) < 0) 406 xo_errx(1, "%s", devstat_errbuf); 407 408 cur.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 409 last.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 410 411 if (devstat_getdevs(NULL, &cur) == -1) 412 xo_errx(1, "%s", devstat_errbuf); 413 414 num_devices = cur.dinfo->numdevs; 415 generation = cur.dinfo->generation; 416 417 specified_devices = malloc(sizeof(char *)); 418 for (num_devices_specified = 0; *argv; ++argv) { 419 if (isdigit(**argv)) 420 break; 421 num_devices_specified++; 422 specified_devices = reallocf(specified_devices, 423 sizeof(char *) * num_devices_specified); 424 if (specified_devices == NULL) { 425 xo_errx(1, "%s", "reallocf (specified_devices)"); 426 } 427 specified_devices[num_devices_specified - 1] = *argv; 428 } 429 dev_select = NULL; 430 431 if (nflag == 0 && maxshowdevs < num_devices_specified) 432 maxshowdevs = num_devices_specified; 433 434 /* 435 * People are generally only interested in disk statistics when 436 * they're running vmstat. So, that's what we're going to give 437 * them if they don't specify anything by default. We'll also give 438 * them any other random devices in the system so that we get to 439 * maxshowdevs devices, if that many devices exist. If the user 440 * specifies devices on the command line, either through a pattern 441 * match or by naming them explicitly, we will give the user only 442 * those devices. 443 */ 444 if ((num_devices_specified == 0) && (num_matches == 0)) { 445 if (devstat_buildmatch(da, &matches, &num_matches) != 0) 446 xo_errx(1, "%s", devstat_errbuf); 447 select_mode = DS_SELECT_ADD; 448 } else 449 select_mode = DS_SELECT_ONLY; 450 451 /* 452 * At this point, selectdevs will almost surely indicate that the 453 * device list has changed, so we don't look for return values of 0 454 * or 1. If we get back -1, though, there is an error. 455 */ 456 if (devstat_selectdevs(&dev_select, &num_selected, &num_selections, 457 &select_generation, generation, cur.dinfo->devices, 458 num_devices, matches, num_matches, specified_devices, 459 num_devices_specified, select_mode, 460 maxshowdevs, 0) == -1) 461 xo_errx(1, "%s", devstat_errbuf); 462 463 return(argv); 464} 465 466/* Return system uptime in nanoseconds */ 467static long long 468getuptime(void) 469{ 470 struct timespec sp; 471 472 (void)clock_gettime(CLOCK_UPTIME, &sp); 473 return((long long)sp.tv_sec * 1000000000LL + sp.tv_nsec); 474} 475 476static void 477fill_vmmeter(struct __vmmeter *vmmp) 478{ 479 struct vmmeter vm_cnt; 480 size_t size; 481 482 if (kd != NULL) { 483 kread(X_SUM, &vm_cnt, sizeof(vm_cnt)); 484#define GET_COUNTER(name) \ 485 vmmp->name = kvm_counter_u64_fetch(kd, (u_long)vm_cnt.name) 486 GET_COUNTER(v_swtch); 487 GET_COUNTER(v_trap); 488 GET_COUNTER(v_syscall); 489 GET_COUNTER(v_intr); 490 GET_COUNTER(v_soft); 491 GET_COUNTER(v_vm_faults); 492 GET_COUNTER(v_io_faults); 493 GET_COUNTER(v_cow_faults); 494 GET_COUNTER(v_cow_optim); 495 GET_COUNTER(v_zfod); 496 GET_COUNTER(v_ozfod); 497 GET_COUNTER(v_swapin); 498 GET_COUNTER(v_swapout); 499 GET_COUNTER(v_swappgsin); 500 GET_COUNTER(v_swappgsout); 501 GET_COUNTER(v_vnodein); 502 GET_COUNTER(v_vnodeout); 503 GET_COUNTER(v_vnodepgsin); 504 GET_COUNTER(v_vnodepgsout); 505 GET_COUNTER(v_intrans); 506 GET_COUNTER(v_tfree); 507 GET_COUNTER(v_forks); 508 GET_COUNTER(v_vforks); 509 GET_COUNTER(v_rforks); 510 GET_COUNTER(v_kthreads); 511 GET_COUNTER(v_forkpages); 512 GET_COUNTER(v_vforkpages); 513 GET_COUNTER(v_rforkpages); 514 GET_COUNTER(v_kthreadpages); 515#undef GET_COUNTER 516 } else { 517#define GET_VM_STATS(cat, name) do { \ 518 size = sizeof(vmmp->name); \ 519 mysysctl("vm.stats." #cat "." #name, &vmmp->name, &size); \ 520} while (0) 521 /* sys */ 522 GET_VM_STATS(sys, v_swtch); 523 GET_VM_STATS(sys, v_trap); 524 GET_VM_STATS(sys, v_syscall); 525 GET_VM_STATS(sys, v_intr); 526 GET_VM_STATS(sys, v_soft); 527 528 /* vm */ 529 GET_VM_STATS(vm, v_vm_faults); 530 GET_VM_STATS(vm, v_io_faults); 531 GET_VM_STATS(vm, v_cow_faults); 532 GET_VM_STATS(vm, v_cow_optim); 533 GET_VM_STATS(vm, v_zfod); 534 GET_VM_STATS(vm, v_ozfod); 535 GET_VM_STATS(vm, v_swapin); 536 GET_VM_STATS(vm, v_swapout); 537 GET_VM_STATS(vm, v_swappgsin); 538 GET_VM_STATS(vm, v_swappgsout); 539 GET_VM_STATS(vm, v_vnodein); 540 GET_VM_STATS(vm, v_vnodeout); 541 GET_VM_STATS(vm, v_vnodepgsin); 542 GET_VM_STATS(vm, v_vnodepgsout); 543 GET_VM_STATS(vm, v_intrans); 544 GET_VM_STATS(vm, v_reactivated); 545 GET_VM_STATS(vm, v_pdwakeups); 546 GET_VM_STATS(vm, v_pdpages); 547 GET_VM_STATS(vm, v_pdshortfalls); 548 GET_VM_STATS(vm, v_dfree); 549 GET_VM_STATS(vm, v_pfree); 550 GET_VM_STATS(vm, v_tfree); 551 GET_VM_STATS(vm, v_page_size); 552 GET_VM_STATS(vm, v_page_count); 553 GET_VM_STATS(vm, v_free_reserved); 554 GET_VM_STATS(vm, v_free_target); 555 GET_VM_STATS(vm, v_free_min); 556 GET_VM_STATS(vm, v_free_count); 557 GET_VM_STATS(vm, v_wire_count); 558 GET_VM_STATS(vm, v_user_wire_count); 559 GET_VM_STATS(vm, v_active_count); 560 GET_VM_STATS(vm, v_inactive_target); 561 GET_VM_STATS(vm, v_inactive_count); 562 GET_VM_STATS(vm, v_laundry_count); 563 GET_VM_STATS(vm, v_pageout_free_min); 564 GET_VM_STATS(vm, v_interrupt_free_min); 565 /*GET_VM_STATS(vm, v_free_severe);*/ 566 GET_VM_STATS(vm, v_forks); 567 GET_VM_STATS(vm, v_vforks); 568 GET_VM_STATS(vm, v_rforks); 569 GET_VM_STATS(vm, v_kthreads); 570 GET_VM_STATS(vm, v_forkpages); 571 GET_VM_STATS(vm, v_vforkpages); 572 GET_VM_STATS(vm, v_rforkpages); 573 GET_VM_STATS(vm, v_kthreadpages); 574#undef GET_VM_STATS 575 } 576} 577 578static void 579fill_vmtotal(struct vmtotal *vmtp) 580{ 581 size_t size; 582 583 if (kd != NULL) { 584 /* XXX fill vmtp */ 585 xo_errx(1, "not implemented"); 586 } else { 587 size = sizeof(*vmtp); 588 mysysctl("vm.vmtotal", vmtp, &size); 589 if (size != sizeof(*vmtp)) 590 xo_errx(1, "vm.total size mismatch"); 591 } 592} 593 594/* Determine how many cpu columns, and what index they are in kern.cp_times */ 595static void 596getcpuinfo(u_long *maskp, int *maxidp) 597{ 598 long *times; 599 u_long mask; 600 size_t size; 601 int empty, i, j, maxcpu, maxid; 602 603 if (kd != NULL) 604 xo_errx(1, "not implemented"); 605 mask = 0; 606 size = sizeof(maxcpu); 607 mysysctl("kern.smp.maxcpus", &maxcpu, &size); 608 if (size != sizeof(maxcpu)) 609 xo_errx(1, "sysctl kern.smp.maxcpus"); 610 size = sizeof(long) * maxcpu * CPUSTATES; 611 times = malloc(size); 612 if (times == NULL) 613 xo_err(1, "malloc %zd bytes", size); 614 mysysctl("kern.cp_times", times, &size); 615 maxid = (size / CPUSTATES / sizeof(long)) - 1; 616 for (i = 0; i <= maxid; i++) { 617 empty = 1; 618 for (j = 0; empty && j < CPUSTATES; j++) { 619 if (times[i * CPUSTATES + j] != 0) 620 empty = 0; 621 } 622 if (!empty) 623 mask |= (1ul << i); 624 } 625 if (maskp) 626 *maskp = mask; 627 if (maxidp) 628 *maxidp = maxid; 629} 630 631static void 632dovmstat(unsigned int interval, int reps) 633{ 634 struct clockinfo clockrate; 635 struct vmtotal total; 636 struct devinfo *tmp_dinfo; 637 u_long cpumask; 638 size_t size; 639 time_t uptime, halfuptime; 640 int maxid, rate_adj, retval; 641 642 uptime = getuptime() / 1000000000LL; 643 halfuptime = uptime / 2; 644 rate_adj = 1; 645 maxid = 0; 646 cpumask = 0; 647 648 /* 649 * If the user stops the program (control-Z) and then resumes it, 650 * print out the header again. 651 */ 652 (void)signal(SIGCONT, needhdr); 653 654 /* 655 * If our standard output is a tty, then install a SIGWINCH handler 656 * and set wresized so that our first iteration through the main 657 * vmstat loop will peek at the terminal's current rows to find out 658 * how many lines can fit in a screenful of output. 659 */ 660 if (isatty(fileno(stdout)) != 0) { 661 wresized = 1; 662 (void)signal(SIGWINCH, needresize); 663 } else { 664 wresized = 0; 665 winlines = VMSTAT_DEFAULT_LINES; 666 } 667 668 if (kd != NULL) { 669 if (namelist[X_STATHZ].n_type != 0 && 670 namelist[X_STATHZ].n_value != 0) 671 kread(X_STATHZ, &hz, sizeof(hz)); 672 if (!hz) 673 kread(X_HZ, &hz, sizeof(hz)); 674 } else { 675 size = sizeof(clockrate); 676 mysysctl("kern.clockrate", &clockrate, &size); 677 if (size != sizeof(clockrate)) 678 xo_errx(1, "clockrate size mismatch"); 679 hz = clockrate.hz; 680 } 681 682 if (Pflag) { 683 getcpuinfo(&cpumask, &maxid); 684 size_cp_times = sizeof(long) * (maxid + 1) * CPUSTATES; 685 cur_cp_times = calloc(1, size_cp_times); 686 last_cp_times = calloc(1, size_cp_times); 687 } 688 for (hdrcnt = 1;;) { 689 if (!--hdrcnt) 690 printhdr(maxid, cpumask); 691 if (kd != NULL) { 692 if (kvm_getcptime(kd, cur.cp_time) < 0) 693 xo_errx(1, "kvm_getcptime: %s", kvm_geterr(kd)); 694 } else { 695 size = sizeof(cur.cp_time); 696 mysysctl("kern.cp_time", &cur.cp_time, &size); 697 if (size != sizeof(cur.cp_time)) 698 xo_errx(1, "cp_time size mismatch"); 699 } 700 if (Pflag) { 701 size = size_cp_times; 702 mysysctl("kern.cp_times", cur_cp_times, &size); 703 if (size != size_cp_times) 704 xo_errx(1, "cp_times mismatch"); 705 } 706 707 tmp_dinfo = last.dinfo; 708 last.dinfo = cur.dinfo; 709 cur.dinfo = tmp_dinfo; 710 last.snap_time = cur.snap_time; 711 712 /* 713 * Here what we want to do is refresh our device stats. 714 * getdevs() returns 1 when the device list has changed. 715 * If the device list has changed, we want to go through 716 * the selection process again, in case a device that we 717 * were previously displaying has gone away. 718 */ 719 switch (devstat_getdevs(NULL, &cur)) { 720 case -1: 721 xo_errx(1, "%s", devstat_errbuf); 722 break; 723 case 1: 724 num_devices = cur.dinfo->numdevs; 725 generation = cur.dinfo->generation; 726 727 retval = devstat_selectdevs(&dev_select, &num_selected, 728 &num_selections, &select_generation, 729 generation, cur.dinfo->devices, 730 num_devices, matches, num_matches, 731 specified_devices, 732 num_devices_specified, select_mode, 733 maxshowdevs, 0); 734 switch (retval) { 735 case -1: 736 xo_errx(1, "%s", devstat_errbuf); 737 break; 738 case 1: 739 printhdr(maxid, cpumask); 740 break; 741 default: 742 break; 743 } 744 break; 745 default: 746 break; 747 } 748 749 fill_vmmeter(&sum); 750 fill_vmtotal(&total); 751 xo_open_container("processes"); 752 xo_emit("{:runnable/%2d} {:waiting/%2ld} " 753 "{:swapped-out/%2ld}", total.t_rq - 1, total.t_dw + 754 total.t_pw, total.t_sw); 755 xo_close_container("processes"); 756 xo_open_container("memory"); 757#define rate(x) (unsigned long)(((x) * rate_adj + halfuptime) / uptime) 758 xo_emit(" {[:4}{h,hn-decimal:available-memory/%ju}{]:}", 759 (uintmax_t)total.t_avm * sum.v_page_size); 760 xo_emit(" {[:4}{h,hn-decimal:free-memory/%ju}{]:}", 761 (uintmax_t)total.t_free * sum.v_page_size); 762 xo_emit(" {[:4}{h,hn-decimal,hn-1000:total-page-faults/%lu}{]:} ", 763 rate(sum.v_vm_faults - osum.v_vm_faults)); 764 xo_close_container("memory"); 765 766 xo_open_container("paging-rates"); 767 xo_emit("{:page-reactivated/%3lu} ", 768 rate(sum.v_reactivated - osum.v_reactivated)); 769 xo_emit("{:paged-in/%3lu} ", 770 rate(sum.v_swapin + sum.v_vnodein - 771 (osum.v_swapin + osum.v_vnodein))); 772 xo_emit("{:paged-out/%3lu}", 773 rate(sum.v_swapout + sum.v_vnodeout - 774 (osum.v_swapout + osum.v_vnodeout))); 775 xo_emit(" {[:4}{h,hn-decimal,hn-1000:freed/%lu}{]:}", 776 rate(sum.v_tfree - osum.v_tfree)); 777 xo_emit(" {[:4}{h,hn-decimal,hn-1000:scanned/%lu}{]:}", 778 rate(sum.v_pdpages - osum.v_pdpages)); 779 xo_close_container("paging-rates"); 780 781 devstats(); 782 xo_open_container("fault-rates"); 783 xo_emit(" {[:4}{h,hn-decimal,hn-1000:interrupts/%lu}{]:}" 784 " {[:4}{h,hn-decimal,hn-1000:system-calls/%lu}{]:}" 785 " {[:4}{h,hn-decimal,hn-1000:context-switches/%lu}{]:}", 786 rate(sum.v_intr - osum.v_intr), 787 rate(sum.v_syscall - osum.v_syscall), 788 rate(sum.v_swtch - osum.v_swtch)); 789 xo_close_container("fault-rates"); 790 if (Pflag) 791 pcpustats(cpumask, maxid); 792 else 793 cpustats(); 794 xo_emit("\n"); 795 xo_flush(); 796 if (reps >= 0 && --reps <= 0) 797 break; 798 osum = sum; 799 uptime = interval; 800 rate_adj = 1000; 801 /* 802 * We round upward to avoid losing low-frequency events 803 * (i.e., >= 1 per interval but < 1 per millisecond). 804 */ 805 if (interval != 1) 806 halfuptime = (uptime + 1) / 2; 807 else 808 halfuptime = 0; 809 (void)usleep(interval * 1000); 810 } 811} 812 813static void 814printhdr(int maxid, u_long cpumask) 815{ 816 int i, num_shown; 817 818 num_shown = MIN(num_selected, maxshowdevs); 819 xo_emit(" {T:procs} {T:memory} {T:/page%*s}", 19, ""); 820 if (num_shown > 1) 821 xo_emit(" {T:/disks %*s} ", num_shown * 5 - 7, ""); 822 else if (num_shown == 1) 823 xo_emit(" {T:disks} "); 824 xo_emit(" {T:faults} "); 825 if (Pflag) { 826 for (i = 0; i <= maxid; i++) { 827 if (cpumask & (1ul << i)) 828 xo_emit(" {T:/cpu%d} ", i); 829 } 830 xo_emit("\n"); 831 } else 832 xo_emit(" {T:cpu}\n"); 833 xo_emit(" {T:r} {T:b} {T:w} {T:avm} {T:fre} {T:flt} {T:re}" 834 " {T:pi} {T:po} {T:fr} {T:sr} "); 835 for (i = 0; i < num_devices; i++) 836 if ((dev_select[i].selected) && 837 (dev_select[i].selected <= maxshowdevs)) 838 xo_emit("{T:/%3.3s%d} ", dev_select[i].device_name, 839 dev_select[i].unit_number); 840 xo_emit(" {T:in} {T:sy} {T:cs}"); 841 if (Pflag) { 842 for (i = 0; i <= maxid; i++) { 843 if (cpumask & (1ul << i)) 844 xo_emit(" {T:us} {T:sy} {T:id}"); 845 } 846 xo_emit("\n"); 847 } else 848 xo_emit(" {T:us} {T:sy} {T:id}\n"); 849 if (wresized != 0) 850 doresize(); 851 hdrcnt = winlines; 852} 853 854/* 855 * Force a header to be prepended to the next output. 856 */ 857static void 858needhdr(int dummy __unused) 859{ 860 861 hdrcnt = 1; 862} 863 864/* 865 * When the terminal is resized, force an update of the maximum number of rows 866 * printed between each header repetition. Then force a new header to be 867 * prepended to the next output. 868 */ 869void 870needresize(int signo __unused) 871{ 872 873 wresized = 1; 874 hdrcnt = 1; 875} 876 877/* 878 * Update the global `winlines' count of terminal rows. 879 */ 880void 881doresize(void) 882{ 883 struct winsize w; 884 int status; 885 886 for (;;) { 887 status = ioctl(fileno(stdout), TIOCGWINSZ, &w); 888 if (status == -1 && errno == EINTR) 889 continue; 890 else if (status == -1) 891 xo_err(1, "ioctl"); 892 if (w.ws_row > 3) 893 winlines = w.ws_row - 3; 894 else 895 winlines = VMSTAT_DEFAULT_LINES; 896 break; 897 } 898 899 /* 900 * Inhibit doresize() calls until we are rescheduled by SIGWINCH. 901 */ 902 wresized = 0; 903} 904 905static long 906pct(long top, long bot) 907{ 908 long ans; 909 910 if (bot == 0) 911 return(0); 912 ans = (quad_t)top * 100 / bot; 913 return (ans); 914} 915 916#define PCT(top, bot) pct((long)(top), (long)(bot)) 917 918static void 919dosum(void) 920{ 921 struct nchstats lnchstats; 922 size_t size; 923 long nchtotal; 924 925 fill_vmmeter(&sum); 926 xo_open_container("summary-statistics"); 927 xo_emit("{:context-switches/%9u} {N:cpu context switches}\n", 928 sum.v_swtch); 929 xo_emit("{:interrupts/%9u} {N:device interrupts}\n", 930 sum.v_intr); 931 xo_emit("{:software-interrupts/%9u} {N:software interrupts}\n", 932 sum.v_soft); 933 xo_emit("{:traps/%9u} {N:traps}\n", sum.v_trap); 934 xo_emit("{:system-calls/%9u} {N:system calls}\n", 935 sum.v_syscall); 936 xo_emit("{:kernel-threads/%9u} {N:kernel threads created}\n", 937 sum.v_kthreads); 938 xo_emit("{:forks/%9u} {N: fork() calls}\n", sum.v_forks); 939 xo_emit("{:vforks/%9u} {N:vfork() calls}\n", 940 sum.v_vforks); 941 xo_emit("{:rforks/%9u} {N:rfork() calls}\n", 942 sum.v_rforks); 943 xo_emit("{:swap-ins/%9u} {N:swap pager pageins}\n", 944 sum.v_swapin); 945 xo_emit("{:swap-in-pages/%9u} {N:swap pager pages paged in}\n", 946 sum.v_swappgsin); 947 xo_emit("{:swap-outs/%9u} {N:swap pager pageouts}\n", 948 sum.v_swapout); 949 xo_emit("{:swap-out-pages/%9u} {N:swap pager pages paged out}\n", 950 sum.v_swappgsout); 951 xo_emit("{:vnode-page-ins/%9u} {N:vnode pager pageins}\n", 952 sum.v_vnodein); 953 xo_emit("{:vnode-page-in-pages/%9u} {N:vnode pager pages paged in}\n", 954 sum.v_vnodepgsin); 955 xo_emit("{:vnode-page-outs/%9u} {N:vnode pager pageouts}\n", 956 sum.v_vnodeout); 957 xo_emit("{:vnode-page-out-pages/%9u} {N:vnode pager pages paged out}\n", 958 sum.v_vnodepgsout); 959 xo_emit("{:page-daemon-wakeups/%9u} {N:page daemon wakeups}\n", 960 sum.v_pdwakeups); 961 xo_emit("{:page-daemon-pages/%9u} {N:pages examined by the page " 962 "daemon}\n", sum.v_pdpages); 963 xo_emit("{:page-reclamation-shortfalls/%9u} {N:clean page reclamation " 964 "shortfalls}\n", sum.v_pdshortfalls); 965 xo_emit("{:reactivated/%9u} {N:pages reactivated by the page daemon}\n", 966 sum.v_reactivated); 967 xo_emit("{:copy-on-write-faults/%9u} {N:copy-on-write faults}\n", 968 sum.v_cow_faults); 969 xo_emit("{:copy-on-write-optimized-faults/%9u} {N:copy-on-write " 970 "optimized faults}\n", sum.v_cow_optim); 971 xo_emit("{:zero-fill-pages/%9u} {N:zero fill pages zeroed}\n", 972 sum.v_zfod); 973 xo_emit("{:zero-fill-prezeroed/%9u} {N:zero fill pages prezeroed}\n", 974 sum.v_ozfod); 975 xo_emit("{:intransit-blocking/%9u} {N:intransit blocking page faults}\n", 976 sum.v_intrans); 977 xo_emit("{:total-faults/%9u} {N:total VM faults taken}\n", 978 sum.v_vm_faults); 979 xo_emit("{:faults-requiring-io/%9u} {N:page faults requiring I\\/O}\n", 980 sum.v_io_faults); 981 xo_emit("{:faults-from-thread-creation/%9u} {N:pages affected by " 982 "kernel thread creation}\n", sum.v_kthreadpages); 983 xo_emit("{:faults-from-fork/%9u} {N:pages affected by fork}()\n", 984 sum.v_forkpages); 985 xo_emit("{:faults-from-vfork/%9u} {N:pages affected by vfork}()\n", 986 sum.v_vforkpages); 987 xo_emit("{:pages-rfork/%9u} {N:pages affected by rfork}()\n", 988 sum.v_rforkpages); 989 xo_emit("{:pages-freed/%9u} {N:pages freed}\n", 990 sum.v_tfree); 991 xo_emit("{:pages-freed-by-daemon/%9u} {N:pages freed by daemon}\n", 992 sum.v_dfree); 993 xo_emit("{:pages-freed-on-exit/%9u} {N:pages freed by exiting processes}\n", 994 sum.v_pfree); 995 xo_emit("{:active-pages/%9u} {N:pages active}\n", 996 sum.v_active_count); 997 xo_emit("{:inactive-pages/%9u} {N:pages inactive}\n", 998 sum.v_inactive_count); 999 xo_emit("{:laundry-pages/%9u} {N:pages in the laundry queue}\n", 1000 sum.v_laundry_count); 1001 xo_emit("{:wired-pages/%9u} {N:pages wired down}\n", 1002 sum.v_wire_count); 1003 xo_emit("{:virtual-user-wired-pages/%9lu} {N:virtual user pages wired " 1004 "down}\n", sum.v_user_wire_count); 1005 xo_emit("{:free-pages/%9u} {N:pages free}\n", 1006 sum.v_free_count); 1007 xo_emit("{:bytes-per-page/%9u} {N:bytes per page}\n", sum.v_page_size); 1008 if (kd != NULL) { 1009 kread(X_NCHSTATS, &lnchstats, sizeof(lnchstats)); 1010 } else { 1011 size = sizeof(lnchstats); 1012 mysysctl("vfs.cache.nchstats", &lnchstats, &size); 1013 if (size != sizeof(lnchstats)) 1014 xo_errx(1, "vfs.cache.nchstats size mismatch"); 1015 } 1016 nchtotal = lnchstats.ncs_goodhits + lnchstats.ncs_neghits + 1017 lnchstats.ncs_badhits + lnchstats.ncs_falsehits + 1018 lnchstats.ncs_miss + lnchstats.ncs_long; 1019 xo_emit("{:total-name-lookups/%9ld} {N:total name lookups}\n", 1020 nchtotal); 1021 xo_emit("{P:/%9s} {N:cache hits} " 1022 "({:positive-cache-hits/%ld}% pos + " 1023 "{:negative-cache-hits/%ld}% {N:neg}) " 1024 "system {:cache-hit-percent/%ld}% per-directory\n", 1025 "", PCT(lnchstats.ncs_goodhits, nchtotal), 1026 PCT(lnchstats.ncs_neghits, nchtotal), 1027 PCT(lnchstats.ncs_pass2, nchtotal)); 1028 xo_emit("{P:/%9s} {L:deletions} {:deletions/%ld}%, " 1029 "{L:falsehits} {:false-hits/%ld}%, " 1030 "{L:toolong} {:too-long/%ld}%\n", "", 1031 PCT(lnchstats.ncs_badhits, nchtotal), 1032 PCT(lnchstats.ncs_falsehits, nchtotal), 1033 PCT(lnchstats.ncs_long, nchtotal)); 1034 xo_close_container("summary-statistics"); 1035} 1036 1037static void 1038doforkst(void) 1039{ 1040 1041 fill_vmmeter(&sum); 1042 xo_open_container("fork-statistics"); 1043 xo_emit("{:fork/%u} {N:forks}, {:fork-pages/%u} {N:pages}, " 1044 "{L:average} {:fork-average/%.2f}\n", 1045 sum.v_forks, sum.v_forkpages, 1046 sum.v_forks == 0 ? 0.0 : 1047 (double)sum.v_forkpages / sum.v_forks); 1048 xo_emit("{:vfork/%u} {N:vforks}, {:vfork-pages/%u} {N:pages}, " 1049 "{L:average} {:vfork-average/%.2f}\n", 1050 sum.v_vforks, sum.v_vforkpages, 1051 sum.v_vforks == 0 ? 0.0 : 1052 (double)sum.v_vforkpages / sum.v_vforks); 1053 xo_emit("{:rfork/%u} {N:rforks}, {:rfork-pages/%u} {N:pages}, " 1054 "{L:average} {:rfork-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 xo_close_container("fork-statistics"); 1059} 1060 1061static void 1062devstats(void) 1063{ 1064 long double busy_seconds, transfers_per_second; 1065 long tmp; 1066 int di, dn, state; 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 xo_open_list("device"); 1077 for (dn = 0; dn < num_devices; dn++) { 1078 if (dev_select[dn].selected == 0 || 1079 dev_select[dn].selected > maxshowdevs) 1080 continue; 1081 1082 di = dev_select[dn].position; 1083 1084 if (devstat_compute_statistics(&cur.dinfo->devices[di], 1085 &last.dinfo->devices[di], busy_seconds, 1086 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 1087 DSM_NONE) != 0) 1088 xo_errx(1, "%s", devstat_errbuf); 1089 1090 xo_open_instance("device"); 1091 xo_emit("{ekq:name/%s%d}", 1092 dev_select[dn].device_name, 1093 dev_select[dn].unit_number); 1094 xo_emit("{[:5}{h,hn-decimal,hn-1000:transfers/%ju}{]:}", 1095 (uintmax_t)transfers_per_second); 1096 xo_close_instance("device"); 1097 } 1098 xo_close_list("device"); 1099} 1100 1101static void 1102percent(const char *name, long pctv, int *over) 1103{ 1104 char fmt[64]; 1105 1106 snprintf(fmt, sizeof(fmt), " {:%s/%%%ulld/%%lld}", name, 1107 (*over && pctv <= 9) ? 1 : 2); 1108 xo_emit(fmt, pctv); 1109 if (*over && pctv <= 9) 1110 (*over)--; 1111 else if (pctv >= 100) 1112 (*over)++; 1113} 1114 1115static void 1116cpustats(void) 1117{ 1118 long total; 1119 int state, over; 1120 1121 total = 0; 1122 for (state = 0; state < CPUSTATES; ++state) 1123 total += cur.cp_time[state]; 1124 if (total == 0) 1125 total = 1; 1126 over = 0; 1127 xo_open_container("cpu-statistics"); 1128 percent("user", 100LL * (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) / 1129 total, &over); 1130 percent("system", 100LL * (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) / 1131 total, &over); 1132 percent("idle", 100LL * cur.cp_time[CP_IDLE] / total, &over); 1133 xo_close_container("cpu-statistics"); 1134} 1135 1136static void 1137pcpustats(u_long cpumask, int maxid) 1138{ 1139 long tmp, total; 1140 int i, state, over; 1141 1142 /* devstats does this for cp_time */ 1143 for (i = 0; i <= maxid; i++) { 1144 if ((cpumask & (1ul << i)) == 0) 1145 continue; 1146 for (state = 0; state < CPUSTATES; ++state) { 1147 tmp = cur_cp_times[i * CPUSTATES + state]; 1148 cur_cp_times[i * CPUSTATES + state] -= last_cp_times[i * 1149 CPUSTATES + state]; 1150 last_cp_times[i * CPUSTATES + state] = tmp; 1151 } 1152 } 1153 1154 over = 0; 1155 xo_open_list("cpu"); 1156 for (i = 0; i <= maxid; i++) { 1157 if ((cpumask & (1ul << i)) == 0) 1158 continue; 1159 xo_open_instance("cpu"); 1160 xo_emit("{ke:name/%d}", i); 1161 total = 0; 1162 for (state = 0; state < CPUSTATES; ++state) 1163 total += cur_cp_times[i * CPUSTATES + state]; 1164 if (total == 0) 1165 total = 1; 1166 percent("user", 1167 100LL * (cur_cp_times[i * CPUSTATES + CP_USER] + 1168 cur_cp_times[i * CPUSTATES + CP_NICE]) / total, &over); 1169 percent("system", 1170 100LL * (cur_cp_times[i * CPUSTATES + CP_SYS] + 1171 cur_cp_times[i * CPUSTATES + CP_INTR]) / total, &over); 1172 percent("idle", 1173 100LL * cur_cp_times[i * CPUSTATES + CP_IDLE] / total, 1174 &over); 1175 xo_close_instance("cpu"); 1176 } 1177 xo_close_list("cpu"); 1178} 1179 1180static unsigned int 1181read_intrcnts(unsigned long **intrcnts) 1182{ 1183 size_t intrcntlen; 1184 uintptr_t kaddr; 1185 1186 if (kd != NULL) { 1187 kread(X_SINTRCNT, &intrcntlen, sizeof(intrcntlen)); 1188 if ((*intrcnts = malloc(intrcntlen)) == NULL) 1189 err(1, "malloc()"); 1190 if (namelist[X_NINTRCNT].n_type == 0) 1191 kread(X_INTRCNT, *intrcnts, intrcntlen); 1192 else { 1193 kread(X_INTRCNT, &kaddr, sizeof(kaddr)); 1194 kreadptr(kaddr, *intrcnts, intrcntlen); 1195 } 1196 } else { 1197 for (*intrcnts = NULL, intrcntlen = 1024; ; intrcntlen *= 2) { 1198 *intrcnts = reallocf(*intrcnts, intrcntlen); 1199 if (*intrcnts == NULL) 1200 err(1, "reallocf()"); 1201 if (mysysctl("hw.intrcnt", *intrcnts, &intrcntlen) == 0) 1202 break; 1203 } 1204 } 1205 1206 return (intrcntlen / sizeof(unsigned long)); 1207} 1208 1209static void 1210print_intrcnts(unsigned long *intrcnts, unsigned long *old_intrcnts, 1211 char *intrnames, unsigned int nintr, size_t istrnamlen, long long period_ms) 1212{ 1213 uint64_t inttotal, old_inttotal, total_count, total_rate; 1214 unsigned long count, rate; 1215 unsigned int i; 1216 1217 inttotal = 0; 1218 old_inttotal = 0; 1219 xo_open_list("interrupt"); 1220 for (i = 0; i < nintr; i++) { 1221 if (intrnames[0] != '\0' && (*intrcnts != 0 || aflag)) { 1222 count = *intrcnts - *old_intrcnts; 1223 rate = ((uint64_t)count * 1000 + period_ms / 2) / period_ms; 1224 xo_open_instance("interrupt"); 1225 xo_emit("{d:name/%-*s}{ket:name/%s} " 1226 "{:total/%20lu} {:rate/%10lu}\n", 1227 (int)istrnamlen, intrnames, intrnames, count, rate); 1228 xo_close_instance("interrupt"); 1229 } 1230 intrnames += strlen(intrnames) + 1; 1231 inttotal += *intrcnts++; 1232 old_inttotal += *old_intrcnts++; 1233 } 1234 total_count = inttotal - old_inttotal; 1235 total_rate = (total_count * 1000 + period_ms / 2) / period_ms; 1236 xo_close_list("interrupt"); 1237 xo_emit("{L:/%-*s} {:total-interrupts/%20ju} " 1238 "{:total-rate/%10ju}\n", (int)istrnamlen, 1239 "Total", (uintmax_t)total_count, (uintmax_t)total_rate); 1240} 1241 1242static void 1243dointr(unsigned int interval, int reps) 1244{ 1245 unsigned long *intrcnts, *old_intrcnts; 1246 char *intrname, *intrnames; 1247 long long period_ms, old_uptime, uptime; 1248 size_t clen, inamlen, istrnamlen; 1249 uintptr_t kaddr; 1250 unsigned int nintr; 1251 1252 old_intrcnts = NULL; 1253 uptime = getuptime(); 1254 1255 /* Get the names of each interrupt source */ 1256 if (kd != NULL) { 1257 kread(X_SINTRNAMES, &inamlen, sizeof(inamlen)); 1258 if ((intrnames = malloc(inamlen)) == NULL) 1259 xo_err(1, "malloc()"); 1260 if (namelist[X_NINTRCNT].n_type == 0) 1261 kread(X_INTRNAMES, intrnames, inamlen); 1262 else { 1263 kread(X_INTRNAMES, &kaddr, sizeof(kaddr)); 1264 kreadptr(kaddr, intrnames, inamlen); 1265 } 1266 } else { 1267 for (intrnames = NULL, inamlen = 1024; ; inamlen *= 2) { 1268 if ((intrnames = reallocf(intrnames, inamlen)) == NULL) 1269 xo_err(1, "reallocf()"); 1270 if (mysysctl("hw.intrnames", intrnames, &inamlen) == 0) 1271 break; 1272 } 1273 } 1274 1275 /* Determine the length of the longest interrupt name */ 1276 intrname = intrnames; 1277 istrnamlen = strlen("interrupt"); 1278 while (intrname < intrnames + inamlen) { 1279 clen = strlen(intrname); 1280 if (clen > istrnamlen) 1281 istrnamlen = clen; 1282 intrname += strlen(intrname) + 1; 1283 } 1284 xo_emit("{T:/%-*s} {T:/%20s} {T:/%10s}\n", 1285 (int)istrnamlen, "interrupt", "total", "rate"); 1286 1287 /* 1288 * Loop reps times printing differential interrupt counts. If reps is 1289 * zero, then run just once, printing total counts 1290 */ 1291 xo_open_container("interrupt-statistics"); 1292 1293 period_ms = uptime / 1000000; 1294 while(1) { 1295 nintr = read_intrcnts(&intrcnts); 1296 /* 1297 * Initialize old_intrcnts to 0 for the first pass, so 1298 * print_intrcnts will print total interrupts since boot 1299 */ 1300 if (old_intrcnts == NULL) { 1301 old_intrcnts = calloc(nintr, sizeof(unsigned long)); 1302 if (old_intrcnts == NULL) 1303 xo_err(1, "calloc()"); 1304 } 1305 1306 print_intrcnts(intrcnts, old_intrcnts, intrnames, nintr, 1307 istrnamlen, period_ms); 1308 xo_flush(); 1309 1310 free(old_intrcnts); 1311 old_intrcnts = intrcnts; 1312 if (reps >= 0 && --reps <= 0) 1313 break; 1314 usleep(interval * 1000); 1315 old_uptime = uptime; 1316 uptime = getuptime(); 1317 period_ms = (uptime - old_uptime) / 1000000; 1318 } 1319 1320 xo_close_container("interrupt-statistics"); 1321} 1322 1323static void 1324domemstat_malloc(void) 1325{ 1326 struct memory_type_list *mtlp; 1327 struct memory_type *mtp; 1328 size_t i, zones; 1329 int error, first; 1330 1331 mtlp = memstat_mtl_alloc(); 1332 if (mtlp == NULL) { 1333 xo_warn("memstat_mtl_alloc"); 1334 return; 1335 } 1336 if (kd == NULL) { 1337 if (memstat_sysctl_malloc(mtlp, 0) < 0) { 1338 xo_warnx("memstat_sysctl_malloc: %s", 1339 memstat_strerror(memstat_mtl_geterror(mtlp))); 1340 return; 1341 } 1342 } else { 1343 if (memstat_kvm_malloc(mtlp, kd) < 0) { 1344 error = memstat_mtl_geterror(mtlp); 1345 if (error == MEMSTAT_ERROR_KVM) 1346 xo_warnx("memstat_kvm_malloc: %s", 1347 kvm_geterr(kd)); 1348 else 1349 xo_warnx("memstat_kvm_malloc: %s", 1350 memstat_strerror(error)); 1351 } 1352 } 1353 xo_open_container("malloc-statistics"); 1354 xo_emit("{T:/%16s} {T:/%4s} {T:/%5s} {T:/%3s} {T:Size(s)}\n", 1355 "Type", "Use", "Memory", "Req"); 1356 xo_open_list("memory"); 1357 zones = memstat_malloc_zone_get_count(); 1358 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1359 mtp = memstat_mtl_next(mtp)) { 1360 if (memstat_get_numallocs(mtp) == 0 && 1361 memstat_get_count(mtp) == 0) 1362 continue; 1363 xo_open_instance("memory"); 1364 xo_emit("{k:type/%16s/%s} " 1365 "{[:4}{h,hn-decimal,hn-1000:in-use/%ju}{]:} " 1366 "{[:5}{h,hn-decimal:memory-use/%ju}{]:} " 1367 "{[:4}{h,hn-decimal,hn-1000:requests/%ju}{]:} ", 1368 memstat_get_name(mtp), (uintmax_t)memstat_get_count(mtp), 1369 (uintmax_t)memstat_get_bytes(mtp), 1370 (uintmax_t)memstat_get_numallocs(mtp)); 1371 first = 1; 1372 xo_open_list("size"); 1373 for (i = 0; i < zones; i++) { 1374 if (memstat_malloc_zone_used(mtp, i)) { 1375 if (!first) 1376 xo_emit(","); 1377 xo_emit("{lh:size/%d}", memstat_malloc_zone_get_size(i)); 1378 first = 0; 1379 } 1380 } 1381 xo_close_list("size"); 1382 xo_close_instance("memory"); 1383 xo_emit("\n"); 1384 } 1385 xo_close_list("memory"); 1386 xo_close_container("malloc-statistics"); 1387 memstat_mtl_free(mtlp); 1388} 1389 1390static void 1391domemstat_zone(void) 1392{ 1393 struct memory_type_list *mtlp; 1394 struct memory_type *mtp; 1395 int error, len; 1396 1397 mtlp = memstat_mtl_alloc(); 1398 if (mtlp == NULL) { 1399 xo_warn("memstat_mtl_alloc"); 1400 return; 1401 } 1402 if (kd == NULL) { 1403 if (memstat_sysctl_uma(mtlp, 0) < 0) { 1404 xo_warnx("memstat_sysctl_uma: %s", 1405 memstat_strerror(memstat_mtl_geterror(mtlp))); 1406 return; 1407 } 1408 } else { 1409 if (memstat_kvm_uma(mtlp, kd) < 0) { 1410 error = memstat_mtl_geterror(mtlp); 1411 if (error == MEMSTAT_ERROR_KVM) 1412 xo_warnx("memstat_kvm_uma: %s", 1413 kvm_geterr(kd)); 1414 else 1415 xo_warnx("memstat_kvm_uma: %s", 1416 memstat_strerror(error)); 1417 } 1418 } 1419 xo_open_container("memory-zone-statistics"); 1420 xo_emit("{T:/%-19s} {T:/%7s} {T:/%7s} {T:/%8s} {T:/%8s} {T:/%8s} " 1421 "{T:/%4s} {T:/%4s} {T:/%4s}\n", "ITEM", "SIZE", 1422 "LIMIT", "USED", "FREE", "REQ", "FAIL", "SLEEP", "XDOM"); 1423 xo_open_list("zone"); 1424 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1425 mtp = memstat_mtl_next(mtp)) { 1426 len = strlen(memstat_get_name(mtp)); 1427 xo_open_instance("zone"); 1428 xo_emit("{k:name/%s}:{d:size/%*ju}{e:size/%ju}," 1429 "{:limit/%7ju},{:used/%8ju}," 1430 "{:free/%8ju},{:requests/%8ju}," 1431 "{:fail/%4ju},{:sleep/%4ju},{:xdomain/%4ju}\n", 1432 memstat_get_name(mtp), MAX(1, 26 - len), 1433 (uintmax_t)memstat_get_size(mtp), 1434 (uintmax_t)memstat_get_size(mtp), 1435 (uintmax_t)memstat_get_countlimit(mtp), 1436 (uintmax_t)memstat_get_count(mtp), 1437 (uintmax_t)memstat_get_free(mtp), 1438 (uintmax_t)memstat_get_numallocs(mtp), 1439 (uintmax_t)memstat_get_failures(mtp), 1440 (uintmax_t)memstat_get_sleeps(mtp), 1441 (uintmax_t)memstat_get_xdomain(mtp)); 1442 xo_close_instance("zone"); 1443 } 1444 memstat_mtl_free(mtlp); 1445 xo_close_list("zone"); 1446 xo_close_container("memory-zone-statistics"); 1447} 1448 1449static void 1450display_object(struct kinfo_vmobject *kvo) 1451{ 1452 const char *str; 1453 1454 xo_open_instance("object"); 1455 xo_emit("{:resident/%5ju} ", (uintmax_t)kvo->kvo_resident); 1456 xo_emit("{:active/%5ju} ", (uintmax_t)kvo->kvo_active); 1457 xo_emit("{:inactive/%5ju} ", (uintmax_t)kvo->kvo_inactive); 1458 xo_emit("{:refcount/%3d} ", kvo->kvo_ref_count); 1459 xo_emit("{:shadowcount/%3d} ", kvo->kvo_shadow_count); 1460 1461#define MEMATTR_STR(type, val) \ 1462 if (kvo->kvo_memattr == (type)) { \ 1463 str = (val); \ 1464 } else 1465#ifdef VM_MEMATTR_UNCACHEABLE 1466 MEMATTR_STR(VM_MEMATTR_UNCACHEABLE, "UC") 1467#endif 1468#ifdef VM_MEMATTR_WRITE_COMBINING 1469 MEMATTR_STR(VM_MEMATTR_WRITE_COMBINING, "WC") 1470#endif 1471#ifdef VM_MEMATTR_WRITE_THROUGH 1472 MEMATTR_STR(VM_MEMATTR_WRITE_THROUGH, "WT") 1473#endif 1474#ifdef VM_MEMATTR_WRITE_PROTECTED 1475 MEMATTR_STR(VM_MEMATTR_WRITE_PROTECTED, "WP") 1476#endif 1477#ifdef VM_MEMATTR_WRITE_BACK 1478 MEMATTR_STR(VM_MEMATTR_WRITE_BACK, "WB") 1479#endif 1480#ifdef VM_MEMATTR_WEAK_UNCACHEABLE 1481 MEMATTR_STR(VM_MEMATTR_WEAK_UNCACHEABLE, "UC-") 1482#endif 1483#ifdef VM_MEMATTR_WB_WA 1484 MEMATTR_STR(VM_MEMATTR_WB_WA, "WB") 1485#endif 1486#ifdef VM_MEMATTR_NOCACHE 1487 MEMATTR_STR(VM_MEMATTR_NOCACHE, "NC") 1488#endif 1489#ifdef VM_MEMATTR_DEVICE 1490 MEMATTR_STR(VM_MEMATTR_DEVICE, "DEV") 1491#endif 1492#ifdef VM_MEMATTR_DEVICE_NP 1493 MEMATTR_STR(VM_MEMATTR_DEVICE, "NP") 1494#endif 1495#ifdef VM_MEMATTR_CACHEABLE 1496 MEMATTR_STR(VM_MEMATTR_CACHEABLE, "C") 1497#endif 1498#ifdef VM_MEMATTR_PREFETCHABLE 1499 MEMATTR_STR(VM_MEMATTR_PREFETCHABLE, "PRE") 1500#endif 1501 { 1502 str = "??"; 1503 } 1504#undef MEMATTR_STR 1505 xo_emit("{:attribute/%-3s} ", str); 1506 switch (kvo->kvo_type) { 1507 case KVME_TYPE_NONE: 1508 str = "--"; 1509 break; 1510 case KVME_TYPE_DEFAULT: 1511 str = "df"; 1512 break; 1513 case KVME_TYPE_VNODE: 1514 str = "vn"; 1515 break; 1516 case KVME_TYPE_SWAP: 1517 str = "sw"; 1518 break; 1519 case KVME_TYPE_DEVICE: 1520 str = "dv"; 1521 break; 1522 case KVME_TYPE_PHYS: 1523 str = "ph"; 1524 break; 1525 case KVME_TYPE_DEAD: 1526 str = "dd"; 1527 break; 1528 case KVME_TYPE_SG: 1529 str = "sg"; 1530 break; 1531 case KVME_TYPE_MGTDEVICE: 1532 str = "md"; 1533 break; 1534 case KVME_TYPE_UNKNOWN: 1535 default: 1536 str = "??"; 1537 break; 1538 } 1539 xo_emit("{:type/%-2s} ", str); 1540 xo_emit("{:path/%-s}\n", kvo->kvo_path); 1541 xo_close_instance("object"); 1542} 1543 1544static void 1545doobjstat(void) 1546{ 1547 struct kinfo_vmobject *kvo; 1548 int cnt, i; 1549 1550 kvo = kinfo_getvmobject(&cnt); 1551 if (kvo == NULL) { 1552 xo_warn("Failed to fetch VM object list"); 1553 return; 1554 } 1555 xo_emit("{T:RES/%5s} {T:ACT/%5s} {T:INACT/%5s} {T:REF/%3s} {T:SHD/%3s} " 1556 "{T:CM/%3s} {T:TP/%2s} {T:PATH/%s}\n"); 1557 xo_open_list("object"); 1558 for (i = 0; i < cnt; i++) 1559 display_object(&kvo[i]); 1560 free(kvo); 1561 xo_close_list("object"); 1562} 1563 1564/* 1565 * kread reads something from the kernel, given its nlist index. 1566 */ 1567static void 1568kreado(int nlx, void *addr, size_t size, size_t offset) 1569{ 1570 const char *sym; 1571 1572 if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) { 1573 sym = namelist[nlx].n_name; 1574 if (*sym == '_') 1575 ++sym; 1576 xo_errx(1, "symbol %s not defined", sym); 1577 } 1578 if ((size_t)kvm_read(kd, namelist[nlx].n_value + offset, addr, 1579 size) != size) { 1580 sym = namelist[nlx].n_name; 1581 if (*sym == '_') 1582 ++sym; 1583 xo_errx(1, "%s: %s", sym, kvm_geterr(kd)); 1584 } 1585} 1586 1587static void 1588kread(int nlx, void *addr, size_t size) 1589{ 1590 1591 kreado(nlx, addr, size, 0); 1592} 1593 1594static void 1595kreadptr(uintptr_t addr, void *buf, size_t size) 1596{ 1597 1598 if ((size_t)kvm_read(kd, addr, buf, size) != size) 1599 xo_errx(1, "%s", kvm_geterr(kd)); 1600} 1601 1602static void __dead2 1603usage(void) 1604{ 1605 xo_error("%s%s", 1606 "usage: vmstat [-afHhimoPsz] [-M core [-N system]] [-c count] [-n devs]\n", 1607 " [-p type,if,pass] [-w wait] [disks] [wait [count]]\n"); 1608 xo_finish(); 1609 exit(1); 1610} 1611