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 "2" 70 71 static char da[] = "da"; 72 73 enum x_stats { X_SUM, X_HZ, X_STATHZ, X_NCHSTATS, X_INTRNAMES, X_SINTRNAMES, 74 X_INTRCNT, X_SINTRCNT, X_NINTRCNT }; 75 76 static 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 89 static struct devstat_match *matches; 90 static struct device_selection *dev_select; 91 static struct statinfo cur, last; 92 static devstat_select_mode select_mode; 93 static size_t size_cp_times; 94 static long *cur_cp_times, *last_cp_times; 95 static long generation, select_generation; 96 static int hz, hdrcnt, maxshowdevs; 97 static int num_devices, num_devices_specified; 98 static int num_matches, num_selected, num_selections; 99 static char **specified_devices; 100 101 static 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'. */ 155 static volatile sig_atomic_t wresized; /* Tty resized when non-zero. */ 156 static int winlines = VMSTAT_DEFAULT_LINES; /* Current number of tty rows. */ 157 158 static int aflag; 159 static int nflag; 160 static int Pflag; 161 static int hflag; 162 163 static 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 173 174 static void cpustats(void); 175 static void pcpustats(u_long, int); 176 static void devstats(void); 177 static void doforkst(void); 178 static void dointr(unsigned int, int); 179 static void doobjstat(void); 180 static void dosum(void); 181 static void dovmstat(unsigned int, int); 182 static void domemstat_malloc(void); 183 static void domemstat_zone(void); 184 static void kread(int, void *, size_t); 185 static void kreado(int, void *, size_t, size_t); 186 static void kreadptr(uintptr_t, void *, size_t); 187 static void needhdr(int); 188 static void needresize(int); 189 static void doresize(void); 190 static void printhdr(int, u_long); 191 static void usage(void); 192 193 static long pct(long, long); 194 static long long getuptime(void); 195 196 static char **getdrivedata(char **); 197 198 int 199 main(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 xo_open_container("vmstat"); 286 if (!hflag) 287 xo_set_options(NULL, "no-humanize"); 288 if (todo == 0) 289 todo = VMSTAT; 290 291 if (memf != NULL) { 292 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 293 if (kd == NULL) 294 xo_errx(1, "kvm_openfiles: %s", errbuf); 295 } 296 297 retry_nlist: 298 if (kd != NULL && (c = kvm_nlist(kd, namelist)) != 0) { 299 if (c > 0) { 300 bufsize = 0; 301 len = 0; 302 303 /* 304 * 'cnt' was renamed to 'vm_cnt'. If 'vm_cnt' is not 305 * found try looking up older 'cnt' symbol. 306 * */ 307 if (namelist[X_SUM].n_type == 0 && 308 strcmp(namelist[X_SUM].n_name, "_vm_cnt") == 0) { 309 namelist[X_SUM].n_name = "_cnt"; 310 goto retry_nlist; 311 } 312 313 /* 314 * 'nintrcnt' doesn't exist in older kernels, but 315 * that isn't fatal. 316 */ 317 if (namelist[X_NINTRCNT].n_type == 0 && c == 1) 318 goto nlist_ok; 319 320 for (c = 0; c < (int)(nitems(namelist)); c++) 321 if (namelist[c].n_type == 0) 322 bufsize += strlen(namelist[c].n_name) 323 + 1; 324 bufsize += len + 1; 325 buf = bp = alloca(bufsize); 326 327 for (c = 0; c < (int)(nitems(namelist)); c++) 328 if (namelist[c].n_type == 0) { 329 xo_error(" %s", 330 namelist[c].n_name); 331 len = strlen(namelist[c].n_name); 332 *bp++ = ' '; 333 memcpy(bp, namelist[c].n_name, len); 334 bp += len; 335 } 336 *bp = '\0'; 337 xo_error("undefined symbols:\n", buf); 338 } else 339 xo_warnx("kvm_nlist: %s", kvm_geterr(kd)); 340 xo_finish(); 341 exit(1); 342 } 343 nlist_ok: 344 if (kd && Pflag) 345 xo_errx(1, "Cannot use -P with crash dumps"); 346 347 if (todo & VMSTAT) { 348 /* 349 * Make sure that the userland devstat version matches the 350 * kernel devstat version. If not, exit and print a 351 * message informing the user of his mistake. 352 */ 353 if (devstat_checkversion(NULL) < 0) 354 xo_errx(1, "%s", devstat_errbuf); 355 356 357 argv = getdrivedata(argv); 358 } 359 360 if (*argv) { 361 f = atof(*argv); 362 interval = f * 1000; 363 if (*++argv) 364 reps = atoi(*argv); 365 } 366 367 if (interval) { 368 if (!reps) 369 reps = -1; 370 } else if (reps) 371 interval = 1 * 1000; 372 373 if (todo & FORKSTAT) 374 doforkst(); 375 if (todo & MEMSTAT) 376 domemstat_malloc(); 377 if (todo & ZMEMSTAT) 378 domemstat_zone(); 379 if (todo & SUMSTAT) 380 dosum(); 381 if (todo & OBJSTAT) 382 doobjstat(); 383 if (todo & INTRSTAT) 384 dointr(interval, reps); 385 if (todo & VMSTAT) 386 dovmstat(interval, reps); 387 xo_close_container("vmstat"); 388 xo_finish(); 389 exit(0); 390 } 391 392 static int 393 mysysctl(const char *name, void *oldp, size_t *oldlenp) 394 { 395 int error; 396 397 error = sysctlbyname(name, oldp, oldlenp, NULL, 0); 398 if (error != 0 && errno != ENOMEM) 399 xo_err(1, "sysctl(%s)", name); 400 return (error); 401 } 402 403 static char ** 404 getdrivedata(char **argv) 405 { 406 407 if ((num_devices = devstat_getnumdevs(NULL)) < 0) 408 xo_errx(1, "%s", devstat_errbuf); 409 410 cur.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 411 last.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 412 413 if (devstat_getdevs(NULL, &cur) == -1) 414 xo_errx(1, "%s", devstat_errbuf); 415 416 num_devices = cur.dinfo->numdevs; 417 generation = cur.dinfo->generation; 418 419 specified_devices = malloc(sizeof(char *)); 420 for (num_devices_specified = 0; *argv; ++argv) { 421 if (isdigit(**argv)) 422 break; 423 num_devices_specified++; 424 specified_devices = reallocf(specified_devices, 425 sizeof(char *) * num_devices_specified); 426 if (specified_devices == NULL) { 427 xo_errx(1, "%s", "reallocf (specified_devices)"); 428 } 429 specified_devices[num_devices_specified - 1] = *argv; 430 } 431 dev_select = NULL; 432 433 if (nflag == 0 && maxshowdevs < num_devices_specified) 434 maxshowdevs = num_devices_specified; 435 436 /* 437 * People are generally only interested in disk statistics when 438 * they're running vmstat. So, that's what we're going to give 439 * them if they don't specify anything by default. We'll also give 440 * them any other random devices in the system so that we get to 441 * maxshowdevs devices, if that many devices exist. If the user 442 * specifies devices on the command line, either through a pattern 443 * match or by naming them explicitly, we will give the user only 444 * those devices. 445 */ 446 if ((num_devices_specified == 0) && (num_matches == 0)) { 447 if (devstat_buildmatch(da, &matches, &num_matches) != 0) 448 xo_errx(1, "%s", devstat_errbuf); 449 select_mode = DS_SELECT_ADD; 450 } else 451 select_mode = DS_SELECT_ONLY; 452 453 /* 454 * At this point, selectdevs will almost surely indicate that the 455 * device list has changed, so we don't look for return values of 0 456 * or 1. If we get back -1, though, there is an error. 457 */ 458 if (devstat_selectdevs(&dev_select, &num_selected, &num_selections, 459 &select_generation, generation, cur.dinfo->devices, 460 num_devices, matches, num_matches, specified_devices, 461 num_devices_specified, select_mode, 462 maxshowdevs, 0) == -1) 463 xo_errx(1, "%s", devstat_errbuf); 464 465 return(argv); 466 } 467 468 /* Return system uptime in nanoseconds */ 469 static long long 470 getuptime(void) 471 { 472 struct timespec sp; 473 474 (void)clock_gettime(CLOCK_UPTIME, &sp); 475 return((long long)sp.tv_sec * 1000000000LL + sp.tv_nsec); 476 } 477 478 static void 479 fill_vmmeter(struct __vmmeter *vmmp) 480 { 481 struct vmmeter vm_cnt; 482 size_t size; 483 484 if (kd != NULL) { 485 kread(X_SUM, &vm_cnt, sizeof(vm_cnt)); 486 #define GET_COUNTER(name) \ 487 vmmp->name = kvm_counter_u64_fetch(kd, (u_long)vm_cnt.name) 488 GET_COUNTER(v_swtch); 489 GET_COUNTER(v_trap); 490 GET_COUNTER(v_syscall); 491 GET_COUNTER(v_intr); 492 GET_COUNTER(v_soft); 493 GET_COUNTER(v_vm_faults); 494 GET_COUNTER(v_io_faults); 495 GET_COUNTER(v_cow_faults); 496 GET_COUNTER(v_cow_optim); 497 GET_COUNTER(v_zfod); 498 GET_COUNTER(v_ozfod); 499 GET_COUNTER(v_swapin); 500 GET_COUNTER(v_swapout); 501 GET_COUNTER(v_swappgsin); 502 GET_COUNTER(v_swappgsout); 503 GET_COUNTER(v_vnodein); 504 GET_COUNTER(v_vnodeout); 505 GET_COUNTER(v_vnodepgsin); 506 GET_COUNTER(v_vnodepgsout); 507 GET_COUNTER(v_intrans); 508 GET_COUNTER(v_tfree); 509 GET_COUNTER(v_forks); 510 GET_COUNTER(v_vforks); 511 GET_COUNTER(v_rforks); 512 GET_COUNTER(v_kthreads); 513 GET_COUNTER(v_forkpages); 514 GET_COUNTER(v_vforkpages); 515 GET_COUNTER(v_rforkpages); 516 GET_COUNTER(v_kthreadpages); 517 #undef GET_COUNTER 518 } else { 519 #define GET_VM_STATS(cat, name) do { \ 520 size = sizeof(vmmp->name); \ 521 mysysctl("vm.stats." #cat "." #name, &vmmp->name, &size); \ 522 } while (0) 523 /* sys */ 524 GET_VM_STATS(sys, v_swtch); 525 GET_VM_STATS(sys, v_trap); 526 GET_VM_STATS(sys, v_syscall); 527 GET_VM_STATS(sys, v_intr); 528 GET_VM_STATS(sys, v_soft); 529 530 /* vm */ 531 GET_VM_STATS(vm, v_vm_faults); 532 GET_VM_STATS(vm, v_io_faults); 533 GET_VM_STATS(vm, v_cow_faults); 534 GET_VM_STATS(vm, v_cow_optim); 535 GET_VM_STATS(vm, v_zfod); 536 GET_VM_STATS(vm, v_ozfod); 537 GET_VM_STATS(vm, v_swapin); 538 GET_VM_STATS(vm, v_swapout); 539 GET_VM_STATS(vm, v_swappgsin); 540 GET_VM_STATS(vm, v_swappgsout); 541 GET_VM_STATS(vm, v_vnodein); 542 GET_VM_STATS(vm, v_vnodeout); 543 GET_VM_STATS(vm, v_vnodepgsin); 544 GET_VM_STATS(vm, v_vnodepgsout); 545 GET_VM_STATS(vm, v_intrans); 546 GET_VM_STATS(vm, v_reactivated); 547 GET_VM_STATS(vm, v_pdwakeups); 548 GET_VM_STATS(vm, v_pdpages); 549 GET_VM_STATS(vm, v_pdshortfalls); 550 GET_VM_STATS(vm, v_dfree); 551 GET_VM_STATS(vm, v_pfree); 552 GET_VM_STATS(vm, v_tfree); 553 GET_VM_STATS(vm, v_page_size); 554 GET_VM_STATS(vm, v_page_count); 555 GET_VM_STATS(vm, v_free_reserved); 556 GET_VM_STATS(vm, v_free_target); 557 GET_VM_STATS(vm, v_free_min); 558 GET_VM_STATS(vm, v_free_count); 559 GET_VM_STATS(vm, v_wire_count); 560 GET_VM_STATS(vm, v_user_wire_count); 561 GET_VM_STATS(vm, v_active_count); 562 GET_VM_STATS(vm, v_inactive_target); 563 GET_VM_STATS(vm, v_inactive_count); 564 GET_VM_STATS(vm, v_laundry_count); 565 GET_VM_STATS(vm, v_pageout_free_min); 566 GET_VM_STATS(vm, v_interrupt_free_min); 567 /*GET_VM_STATS(vm, v_free_severe);*/ 568 GET_VM_STATS(vm, v_forks); 569 GET_VM_STATS(vm, v_vforks); 570 GET_VM_STATS(vm, v_rforks); 571 GET_VM_STATS(vm, v_kthreads); 572 GET_VM_STATS(vm, v_forkpages); 573 GET_VM_STATS(vm, v_vforkpages); 574 GET_VM_STATS(vm, v_rforkpages); 575 GET_VM_STATS(vm, v_kthreadpages); 576 #undef GET_VM_STATS 577 } 578 } 579 580 static void 581 fill_vmtotal(struct vmtotal *vmtp) 582 { 583 size_t size; 584 585 if (kd != NULL) { 586 /* XXX fill vmtp */ 587 xo_errx(1, "not implemented"); 588 } else { 589 size = sizeof(*vmtp); 590 mysysctl("vm.vmtotal", vmtp, &size); 591 if (size != sizeof(*vmtp)) 592 xo_errx(1, "vm.total size mismatch"); 593 } 594 } 595 596 /* Determine how many cpu columns, and what index they are in kern.cp_times */ 597 static void 598 getcpuinfo(u_long *maskp, int *maxidp) 599 { 600 long *times; 601 u_long mask; 602 size_t size; 603 int empty, i, j, maxcpu, maxid; 604 605 if (kd != NULL) 606 xo_errx(1, "not implemented"); 607 mask = 0; 608 size = sizeof(maxcpu); 609 mysysctl("kern.smp.maxcpus", &maxcpu, &size); 610 if (size != sizeof(maxcpu)) 611 xo_errx(1, "sysctl kern.smp.maxcpus"); 612 size = sizeof(long) * maxcpu * CPUSTATES; 613 times = malloc(size); 614 if (times == NULL) 615 xo_err(1, "malloc %zd bytes", size); 616 mysysctl("kern.cp_times", times, &size); 617 maxid = (size / CPUSTATES / sizeof(long)) - 1; 618 for (i = 0; i <= maxid; i++) { 619 empty = 1; 620 for (j = 0; empty && j < CPUSTATES; j++) { 621 if (times[i * CPUSTATES + j] != 0) 622 empty = 0; 623 } 624 if (!empty) 625 mask |= (1ul << i); 626 } 627 if (maskp) 628 *maskp = mask; 629 if (maxidp) 630 *maxidp = maxid; 631 } 632 633 static void 634 dovmstat(unsigned int interval, int reps) 635 { 636 struct clockinfo clockrate; 637 struct vmtotal total; 638 struct devinfo *tmp_dinfo; 639 u_long cpumask; 640 size_t size; 641 time_t uptime, halfuptime; 642 int maxid, rate_adj, retval; 643 644 uptime = getuptime() / 1000000000LL; 645 halfuptime = uptime / 2; 646 rate_adj = 1; 647 maxid = 0; 648 cpumask = 0; 649 650 /* 651 * If the user stops the program (control-Z) and then resumes it, 652 * print out the header again. 653 */ 654 (void)signal(SIGCONT, needhdr); 655 656 /* 657 * If our standard output is a tty, then install a SIGWINCH handler 658 * and set wresized so that our first iteration through the main 659 * vmstat loop will peek at the terminal's current rows to find out 660 * how many lines can fit in a screenful of output. 661 */ 662 if (isatty(fileno(stdout)) != 0) { 663 wresized = 1; 664 (void)signal(SIGWINCH, needresize); 665 } else { 666 wresized = 0; 667 winlines = VMSTAT_DEFAULT_LINES; 668 } 669 670 if (kd != NULL) { 671 if (namelist[X_STATHZ].n_type != 0 && 672 namelist[X_STATHZ].n_value != 0) 673 kread(X_STATHZ, &hz, sizeof(hz)); 674 if (!hz) 675 kread(X_HZ, &hz, sizeof(hz)); 676 } else { 677 size = sizeof(clockrate); 678 mysysctl("kern.clockrate", &clockrate, &size); 679 if (size != sizeof(clockrate)) 680 xo_errx(1, "clockrate size mismatch"); 681 hz = clockrate.hz; 682 } 683 684 if (Pflag) { 685 getcpuinfo(&cpumask, &maxid); 686 size_cp_times = sizeof(long) * (maxid + 1) * CPUSTATES; 687 cur_cp_times = calloc(1, size_cp_times); 688 last_cp_times = calloc(1, size_cp_times); 689 } 690 for (hdrcnt = 1;;) { 691 if (!--hdrcnt) 692 printhdr(maxid, cpumask); 693 if (kd != NULL) { 694 if (kvm_getcptime(kd, cur.cp_time) < 0) 695 xo_errx(1, "kvm_getcptime: %s", kvm_geterr(kd)); 696 } else { 697 size = sizeof(cur.cp_time); 698 mysysctl("kern.cp_time", &cur.cp_time, &size); 699 if (size != sizeof(cur.cp_time)) 700 xo_errx(1, "cp_time size mismatch"); 701 } 702 if (Pflag) { 703 size = size_cp_times; 704 mysysctl("kern.cp_times", cur_cp_times, &size); 705 if (size != size_cp_times) 706 xo_errx(1, "cp_times mismatch"); 707 } 708 709 tmp_dinfo = last.dinfo; 710 last.dinfo = cur.dinfo; 711 cur.dinfo = tmp_dinfo; 712 last.snap_time = cur.snap_time; 713 714 /* 715 * Here what we want to do is refresh our device stats. 716 * getdevs() returns 1 when the device list has changed. 717 * If the device list has changed, we want to go through 718 * the selection process again, in case a device that we 719 * were previously displaying has gone away. 720 */ 721 switch (devstat_getdevs(NULL, &cur)) { 722 case -1: 723 xo_errx(1, "%s", devstat_errbuf); 724 break; 725 case 1: 726 num_devices = cur.dinfo->numdevs; 727 generation = cur.dinfo->generation; 728 729 retval = devstat_selectdevs(&dev_select, &num_selected, 730 &num_selections, &select_generation, 731 generation, cur.dinfo->devices, 732 num_devices, matches, num_matches, 733 specified_devices, 734 num_devices_specified, select_mode, 735 maxshowdevs, 0); 736 switch (retval) { 737 case -1: 738 xo_errx(1, "%s", devstat_errbuf); 739 break; 740 case 1: 741 printhdr(maxid, cpumask); 742 break; 743 default: 744 break; 745 } 746 break; 747 default: 748 break; 749 } 750 751 fill_vmmeter(&sum); 752 fill_vmtotal(&total); 753 xo_open_container("processes"); 754 xo_emit("{:runnable/%2d} {:waiting/%2ld} " 755 "{:swapped-out/%2ld}", total.t_rq - 1, total.t_dw + 756 total.t_pw, total.t_sw); 757 xo_close_container("processes"); 758 xo_open_container("memory"); 759 #define rate(x) (unsigned long)(((x) * rate_adj + halfuptime) / uptime) 760 xo_emit(" {[:4}{h,hn-decimal:available-memory/%ju}{]:}", 761 (uintmax_t)total.t_avm * sum.v_page_size); 762 xo_emit(" {[:4}{h,hn-decimal:free-memory/%ju}{]:}", 763 (uintmax_t)total.t_free * sum.v_page_size); 764 xo_emit(" {[:4}{h,hn-decimal,hn-1000:total-page-faults/%lu}{]:} ", 765 rate(sum.v_vm_faults - osum.v_vm_faults)); 766 xo_close_container("memory"); 767 768 xo_open_container("paging-rates"); 769 xo_emit("{:page-reactivated/%3lu} ", 770 rate(sum.v_reactivated - osum.v_reactivated)); 771 xo_emit("{:paged-in/%3lu} ", 772 rate(sum.v_swapin + sum.v_vnodein - 773 (osum.v_swapin + osum.v_vnodein))); 774 xo_emit("{:paged-out/%3lu}", 775 rate(sum.v_swapout + sum.v_vnodeout - 776 (osum.v_swapout + osum.v_vnodeout))); 777 xo_emit(" {[:4}{h,hn-decimal,hn-1000:freed/%lu}{]:}", 778 rate(sum.v_tfree - osum.v_tfree)); 779 xo_emit(" {[:4}{h,hn-decimal,hn-1000:scanned/%lu}{]:}", 780 rate(sum.v_pdpages - osum.v_pdpages)); 781 xo_close_container("paging-rates"); 782 783 devstats(); 784 xo_open_container("fault-rates"); 785 xo_emit(" {[:4}{h,hn-decimal,hn-1000:interrupts/%lu}{]:}" 786 " {[:4}{h,hn-decimal,hn-1000:system-calls/%lu}{]:}" 787 " {[:4}{h,hn-decimal,hn-1000:context-switches/%lu}{]:}", 788 rate(sum.v_intr - osum.v_intr), 789 rate(sum.v_syscall - osum.v_syscall), 790 rate(sum.v_swtch - osum.v_swtch)); 791 xo_close_container("fault-rates"); 792 if (Pflag) 793 pcpustats(cpumask, maxid); 794 else 795 cpustats(); 796 xo_emit("\n"); 797 xo_flush(); 798 if (reps >= 0 && --reps <= 0) 799 break; 800 osum = sum; 801 uptime = interval; 802 rate_adj = 1000; 803 /* 804 * We round upward to avoid losing low-frequency events 805 * (i.e., >= 1 per interval but < 1 per millisecond). 806 */ 807 if (interval != 1) 808 halfuptime = (uptime + 1) / 2; 809 else 810 halfuptime = 0; 811 (void)usleep(interval * 1000); 812 } 813 } 814 815 static void 816 printhdr(int maxid, u_long cpumask) 817 { 818 int i, num_shown; 819 820 num_shown = MIN(num_selected, maxshowdevs); 821 xo_emit(" {T:procs} {T:memory} {T:/page%*s}", 19, ""); 822 if (num_shown > 1) 823 xo_emit(" {T:/disks %*s} ", num_shown * 5 - 7, ""); 824 else if (num_shown == 1) 825 xo_emit(" {T:disks} "); 826 xo_emit(" {T:faults} "); 827 if (Pflag) { 828 for (i = 0; i <= maxid; i++) { 829 if (cpumask & (1ul << i)) 830 xo_emit(" {T:/cpu%d} ", i); 831 } 832 xo_emit("\n"); 833 } else 834 xo_emit(" {T:cpu}\n"); 835 xo_emit(" {T:r} {T:b} {T:w} {T:avm} {T:fre} {T:flt} {T:re}" 836 " {T:pi} {T:po} {T:fr} {T:sr} "); 837 for (i = 0; i < num_devices; i++) 838 if ((dev_select[i].selected) && 839 (dev_select[i].selected <= maxshowdevs)) 840 xo_emit("{T:/%3.3s%d} ", dev_select[i].device_name, 841 dev_select[i].unit_number); 842 xo_emit(" {T:in} {T:sy} {T:cs}"); 843 if (Pflag) { 844 for (i = 0; i <= maxid; i++) { 845 if (cpumask & (1ul << i)) 846 xo_emit(" {T:us} {T:sy} {T:id}"); 847 } 848 xo_emit("\n"); 849 } else 850 xo_emit(" {T:us} {T:sy} {T:id}\n"); 851 if (wresized != 0) 852 doresize(); 853 hdrcnt = winlines; 854 } 855 856 /* 857 * Force a header to be prepended to the next output. 858 */ 859 static void 860 needhdr(int dummy __unused) 861 { 862 863 hdrcnt = 1; 864 } 865 866 /* 867 * When the terminal is resized, force an update of the maximum number of rows 868 * printed between each header repetition. Then force a new header to be 869 * prepended to the next output. 870 */ 871 void 872 needresize(int signo __unused) 873 { 874 875 wresized = 1; 876 hdrcnt = 1; 877 } 878 879 /* 880 * Update the global `winlines' count of terminal rows. 881 */ 882 void 883 doresize(void) 884 { 885 struct winsize w; 886 int status; 887 888 for (;;) { 889 status = ioctl(fileno(stdout), TIOCGWINSZ, &w); 890 if (status == -1 && errno == EINTR) 891 continue; 892 else if (status == -1) 893 xo_err(1, "ioctl"); 894 if (w.ws_row > 3) 895 winlines = w.ws_row - 3; 896 else 897 winlines = VMSTAT_DEFAULT_LINES; 898 break; 899 } 900 901 /* 902 * Inhibit doresize() calls until we are rescheduled by SIGWINCH. 903 */ 904 wresized = 0; 905 } 906 907 static long 908 pct(long top, long bot) 909 { 910 long ans; 911 912 if (bot == 0) 913 return(0); 914 ans = (quad_t)top * 100 / bot; 915 return (ans); 916 } 917 918 #define PCT(top, bot) pct((long)(top), (long)(bot)) 919 920 static void 921 dosum(void) 922 { 923 struct nchstats lnchstats; 924 size_t size; 925 long nchtotal; 926 927 fill_vmmeter(&sum); 928 xo_open_container("summary-statistics"); 929 xo_emit("{:context-switches/%9u} {N:cpu context switches}\n", 930 sum.v_swtch); 931 xo_emit("{:interrupts/%9u} {N:device interrupts}\n", 932 sum.v_intr); 933 xo_emit("{:software-interrupts/%9u} {N:software interrupts}\n", 934 sum.v_soft); 935 xo_emit("{:traps/%9u} {N:traps}\n", sum.v_trap); 936 xo_emit("{:system-calls/%9u} {N:system calls}\n", 937 sum.v_syscall); 938 xo_emit("{:kernel-threads/%9u} {N:kernel threads created}\n", 939 sum.v_kthreads); 940 xo_emit("{:forks/%9u} {N: fork() calls}\n", sum.v_forks); 941 xo_emit("{:vforks/%9u} {N:vfork() calls}\n", 942 sum.v_vforks); 943 xo_emit("{:rforks/%9u} {N:rfork() calls}\n", 944 sum.v_rforks); 945 xo_emit("{:swap-ins/%9u} {N:swap pager pageins}\n", 946 sum.v_swapin); 947 xo_emit("{:swap-in-pages/%9u} {N:swap pager pages paged in}\n", 948 sum.v_swappgsin); 949 xo_emit("{:swap-outs/%9u} {N:swap pager pageouts}\n", 950 sum.v_swapout); 951 xo_emit("{:swap-out-pages/%9u} {N:swap pager pages paged out}\n", 952 sum.v_swappgsout); 953 xo_emit("{:vnode-page-ins/%9u} {N:vnode pager pageins}\n", 954 sum.v_vnodein); 955 xo_emit("{:vnode-page-in-pages/%9u} {N:vnode pager pages paged in}\n", 956 sum.v_vnodepgsin); 957 xo_emit("{:vnode-page-outs/%9u} {N:vnode pager pageouts}\n", 958 sum.v_vnodeout); 959 xo_emit("{:vnode-page-out-pages/%9u} {N:vnode pager pages paged out}\n", 960 sum.v_vnodepgsout); 961 xo_emit("{:page-daemon-wakeups/%9u} {N:page daemon wakeups}\n", 962 sum.v_pdwakeups); 963 xo_emit("{:page-daemon-pages/%9u} {N:pages examined by the page " 964 "daemon}\n", sum.v_pdpages); 965 xo_emit("{:page-reclamation-shortfalls/%9u} {N:clean page reclamation " 966 "shortfalls}\n", sum.v_pdshortfalls); 967 xo_emit("{:reactivated/%9u} {N:pages reactivated by the page daemon}\n", 968 sum.v_reactivated); 969 xo_emit("{:copy-on-write-faults/%9u} {N:copy-on-write faults}\n", 970 sum.v_cow_faults); 971 xo_emit("{:copy-on-write-optimized-faults/%9u} {N:copy-on-write " 972 "optimized faults}\n", sum.v_cow_optim); 973 xo_emit("{:zero-fill-pages/%9u} {N:zero fill pages zeroed}\n", 974 sum.v_zfod); 975 xo_emit("{:zero-fill-prezeroed/%9u} {N:zero fill pages prezeroed}\n", 976 sum.v_ozfod); 977 xo_emit("{:intransit-blocking/%9u} {N:intransit blocking page faults}\n", 978 sum.v_intrans); 979 xo_emit("{:total-faults/%9u} {N:total VM faults taken}\n", 980 sum.v_vm_faults); 981 xo_emit("{:faults-requiring-io/%9u} {N:page faults requiring I\\/O}\n", 982 sum.v_io_faults); 983 xo_emit("{:faults-from-thread-creation/%9u} {N:pages affected by " 984 "kernel thread creation}\n", sum.v_kthreadpages); 985 xo_emit("{:faults-from-fork/%9u} {N:pages affected by fork}()\n", 986 sum.v_forkpages); 987 xo_emit("{:faults-from-vfork/%9u} {N:pages affected by vfork}()\n", 988 sum.v_vforkpages); 989 xo_emit("{:pages-rfork/%9u} {N:pages affected by rfork}()\n", 990 sum.v_rforkpages); 991 xo_emit("{:pages-freed/%9u} {N:pages freed}\n", 992 sum.v_tfree); 993 xo_emit("{:pages-freed-by-daemon/%9u} {N:pages freed by daemon}\n", 994 sum.v_dfree); 995 xo_emit("{:pages-freed-on-exit/%9u} {N:pages freed by exiting processes}\n", 996 sum.v_pfree); 997 xo_emit("{:active-pages/%9u} {N:pages active}\n", 998 sum.v_active_count); 999 xo_emit("{:inactive-pages/%9u} {N:pages inactive}\n", 1000 sum.v_inactive_count); 1001 xo_emit("{:laundry-pages/%9u} {N:pages in the laundry queue}\n", 1002 sum.v_laundry_count); 1003 xo_emit("{:wired-pages/%9u} {N:pages wired down}\n", 1004 sum.v_wire_count); 1005 xo_emit("{:virtual-user-wired-pages/%9lu} {N:virtual user pages wired " 1006 "down}\n", sum.v_user_wire_count); 1007 xo_emit("{:free-pages/%9u} {N:pages free}\n", 1008 sum.v_free_count); 1009 xo_emit("{:bytes-per-page/%9u} {N:bytes per page}\n", sum.v_page_size); 1010 if (kd != NULL) { 1011 kread(X_NCHSTATS, &lnchstats, sizeof(lnchstats)); 1012 } else { 1013 size = sizeof(lnchstats); 1014 mysysctl("vfs.cache.nchstats", &lnchstats, &size); 1015 if (size != sizeof(lnchstats)) 1016 xo_errx(1, "vfs.cache.nchstats size mismatch"); 1017 } 1018 nchtotal = lnchstats.ncs_goodhits + lnchstats.ncs_neghits + 1019 lnchstats.ncs_badhits + lnchstats.ncs_falsehits + 1020 lnchstats.ncs_miss + lnchstats.ncs_long; 1021 xo_emit("{:total-name-lookups/%9ld} {N:total name lookups}\n", 1022 nchtotal); 1023 xo_emit("{P:/%9s} {N:cache hits} " 1024 "({:positive-cache-hits/%ld}% pos + " 1025 "{:negative-cache-hits/%ld}% {N:neg}) " 1026 "system {:cache-hit-percent/%ld}% per-directory\n", 1027 "", PCT(lnchstats.ncs_goodhits, nchtotal), 1028 PCT(lnchstats.ncs_neghits, nchtotal), 1029 PCT(lnchstats.ncs_pass2, nchtotal)); 1030 xo_emit("{P:/%9s} {L:deletions} {:deletions/%ld}%, " 1031 "{L:falsehits} {:false-hits/%ld}%, " 1032 "{L:toolong} {:too-long/%ld}%\n", "", 1033 PCT(lnchstats.ncs_badhits, nchtotal), 1034 PCT(lnchstats.ncs_falsehits, nchtotal), 1035 PCT(lnchstats.ncs_long, nchtotal)); 1036 xo_close_container("summary-statistics"); 1037 } 1038 1039 static void 1040 doforkst(void) 1041 { 1042 1043 fill_vmmeter(&sum); 1044 xo_open_container("fork-statistics"); 1045 xo_emit("{:fork/%u} {N:forks}, {:fork-pages/%u} {N:pages}, " 1046 "{L:average} {:fork-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 xo_emit("{:vfork/%u} {N:vforks}, {:vfork-pages/%u} {N:pages}, " 1051 "{L:average} {:vfork-average/%.2f}\n", 1052 sum.v_vforks, sum.v_vforkpages, 1053 sum.v_vforks == 0 ? 0.0 : 1054 (double)sum.v_vforkpages / sum.v_vforks); 1055 xo_emit("{:rfork/%u} {N:rforks}, {:rfork-pages/%u} {N:pages}, " 1056 "{L:average} {:rfork-average/%.2f}\n", 1057 sum.v_rforks, sum.v_rforkpages, 1058 sum.v_rforks == 0 ? 0.0 : 1059 (double)sum.v_rforkpages / sum.v_rforks); 1060 xo_close_container("fork-statistics"); 1061 } 1062 1063 static void 1064 devstats(void) 1065 { 1066 long double busy_seconds, transfers_per_second; 1067 long tmp; 1068 int di, dn, state; 1069 1070 for (state = 0; state < CPUSTATES; ++state) { 1071 tmp = cur.cp_time[state]; 1072 cur.cp_time[state] -= last.cp_time[state]; 1073 last.cp_time[state] = tmp; 1074 } 1075 1076 busy_seconds = cur.snap_time - last.snap_time; 1077 1078 xo_open_list("device"); 1079 for (dn = 0; dn < num_devices; dn++) { 1080 if (dev_select[dn].selected == 0 || 1081 dev_select[dn].selected > maxshowdevs) 1082 continue; 1083 1084 di = dev_select[dn].position; 1085 1086 if (devstat_compute_statistics(&cur.dinfo->devices[di], 1087 &last.dinfo->devices[di], busy_seconds, 1088 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 1089 DSM_NONE) != 0) 1090 xo_errx(1, "%s", devstat_errbuf); 1091 1092 xo_open_instance("device"); 1093 xo_emit("{ekq:name/%s%d}", 1094 dev_select[dn].device_name, 1095 dev_select[dn].unit_number); 1096 xo_emit("{[:5}{h,hn-decimal,hn-1000:transfers/%ju}{]:}", 1097 (uintmax_t)transfers_per_second); 1098 xo_close_instance("device"); 1099 } 1100 xo_close_list("device"); 1101 } 1102 1103 static void 1104 percent(const char *name, long pctv, int *over) 1105 { 1106 char fmt[64]; 1107 1108 snprintf(fmt, sizeof(fmt), " {:%s/%%%ulld/%%lld}", name, 1109 (*over && pctv <= 9) ? 1 : 2); 1110 xo_emit(fmt, pctv); 1111 if (*over && pctv <= 9) 1112 (*over)--; 1113 else if (pctv >= 100) 1114 (*over)++; 1115 } 1116 1117 static void 1118 cpustats(void) 1119 { 1120 long total; 1121 int state, over; 1122 1123 total = 0; 1124 for (state = 0; state < CPUSTATES; ++state) 1125 total += cur.cp_time[state]; 1126 if (total == 0) 1127 total = 1; 1128 over = 0; 1129 xo_open_container("cpu-statistics"); 1130 percent("user", 100LL * (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) / 1131 total, &over); 1132 percent("system", 100LL * (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) / 1133 total, &over); 1134 percent("idle", 100LL * cur.cp_time[CP_IDLE] / total, &over); 1135 xo_close_container("cpu-statistics"); 1136 } 1137 1138 static void 1139 pcpustats(u_long cpumask, int maxid) 1140 { 1141 long tmp, total; 1142 int i, state, over; 1143 1144 /* devstats does this for cp_time */ 1145 for (i = 0; i <= maxid; i++) { 1146 if ((cpumask & (1ul << i)) == 0) 1147 continue; 1148 for (state = 0; state < CPUSTATES; ++state) { 1149 tmp = cur_cp_times[i * CPUSTATES + state]; 1150 cur_cp_times[i * CPUSTATES + state] -= last_cp_times[i * 1151 CPUSTATES + state]; 1152 last_cp_times[i * CPUSTATES + state] = tmp; 1153 } 1154 } 1155 1156 over = 0; 1157 xo_open_list("cpu"); 1158 for (i = 0; i <= maxid; i++) { 1159 if ((cpumask & (1ul << i)) == 0) 1160 continue; 1161 xo_open_instance("cpu"); 1162 xo_emit("{ke:name/%d}", i); 1163 total = 0; 1164 for (state = 0; state < CPUSTATES; ++state) 1165 total += cur_cp_times[i * CPUSTATES + state]; 1166 if (total == 0) 1167 total = 1; 1168 percent("user", 1169 100LL * (cur_cp_times[i * CPUSTATES + CP_USER] + 1170 cur_cp_times[i * CPUSTATES + CP_NICE]) / total, &over); 1171 percent("system", 1172 100LL * (cur_cp_times[i * CPUSTATES + CP_SYS] + 1173 cur_cp_times[i * CPUSTATES + CP_INTR]) / total, &over); 1174 percent("idle", 1175 100LL * cur_cp_times[i * CPUSTATES + CP_IDLE] / total, 1176 &over); 1177 xo_close_instance("cpu"); 1178 } 1179 xo_close_list("cpu"); 1180 } 1181 1182 static unsigned int 1183 read_intrcnts(unsigned long **intrcnts) 1184 { 1185 size_t intrcntlen; 1186 uintptr_t kaddr; 1187 1188 if (kd != NULL) { 1189 kread(X_SINTRCNT, &intrcntlen, sizeof(intrcntlen)); 1190 if ((*intrcnts = malloc(intrcntlen)) == NULL) 1191 err(1, "malloc()"); 1192 if (namelist[X_NINTRCNT].n_type == 0) 1193 kread(X_INTRCNT, *intrcnts, intrcntlen); 1194 else { 1195 kread(X_INTRCNT, &kaddr, sizeof(kaddr)); 1196 kreadptr(kaddr, *intrcnts, intrcntlen); 1197 } 1198 } else { 1199 for (*intrcnts = NULL, intrcntlen = 1024; ; intrcntlen *= 2) { 1200 *intrcnts = reallocf(*intrcnts, intrcntlen); 1201 if (*intrcnts == NULL) 1202 err(1, "reallocf()"); 1203 if (mysysctl("hw.intrcnt", *intrcnts, &intrcntlen) == 0) 1204 break; 1205 } 1206 } 1207 1208 return (intrcntlen / sizeof(unsigned long)); 1209 } 1210 1211 static void 1212 print_intrcnts(unsigned long *intrcnts, unsigned long *old_intrcnts, 1213 char *intrnames, unsigned int nintr, size_t istrnamlen, long long period_ms) 1214 { 1215 uint64_t inttotal, old_inttotal, total_count, total_rate; 1216 unsigned long count, rate; 1217 unsigned int i; 1218 1219 inttotal = 0; 1220 old_inttotal = 0; 1221 xo_open_list("interrupt"); 1222 for (i = 0; i < nintr; i++) { 1223 if (intrnames[0] != '\0' && (*intrcnts != 0 || aflag)) { 1224 count = *intrcnts - *old_intrcnts; 1225 rate = ((uint64_t)count * 1000 + period_ms / 2) / period_ms; 1226 xo_open_instance("interrupt"); 1227 xo_emit("{d:name/%-*s}{ket:name/%s} " 1228 "{:total/%20lu} {:rate/%10lu}\n", 1229 (int)istrnamlen, intrnames, intrnames, count, rate); 1230 xo_close_instance("interrupt"); 1231 } 1232 intrnames += strlen(intrnames) + 1; 1233 inttotal += *intrcnts++; 1234 old_inttotal += *old_intrcnts++; 1235 } 1236 total_count = inttotal - old_inttotal; 1237 total_rate = (total_count * 1000 + period_ms / 2) / period_ms; 1238 xo_close_list("interrupt"); 1239 xo_emit("{L:/%-*s} {:total-interrupts/%20ju} " 1240 "{:total-rate/%10ju}\n", (int)istrnamlen, 1241 "Total", (uintmax_t)total_count, (uintmax_t)total_rate); 1242 } 1243 1244 static void 1245 dointr(unsigned int interval, int reps) 1246 { 1247 unsigned long *intrcnts, *old_intrcnts; 1248 char *intrname, *intrnames; 1249 long long period_ms, old_uptime, uptime; 1250 size_t clen, inamlen, istrnamlen; 1251 uintptr_t kaddr; 1252 unsigned int nintr; 1253 1254 old_intrcnts = NULL; 1255 uptime = getuptime(); 1256 1257 /* Get the names of each interrupt source */ 1258 if (kd != NULL) { 1259 kread(X_SINTRNAMES, &inamlen, sizeof(inamlen)); 1260 if ((intrnames = malloc(inamlen)) == NULL) 1261 xo_err(1, "malloc()"); 1262 if (namelist[X_NINTRCNT].n_type == 0) 1263 kread(X_INTRNAMES, intrnames, inamlen); 1264 else { 1265 kread(X_INTRNAMES, &kaddr, sizeof(kaddr)); 1266 kreadptr(kaddr, intrnames, inamlen); 1267 } 1268 } else { 1269 for (intrnames = NULL, inamlen = 1024; ; inamlen *= 2) { 1270 if ((intrnames = reallocf(intrnames, inamlen)) == NULL) 1271 xo_err(1, "reallocf()"); 1272 if (mysysctl("hw.intrnames", intrnames, &inamlen) == 0) 1273 break; 1274 } 1275 } 1276 1277 /* Determine the length of the longest interrupt name */ 1278 intrname = intrnames; 1279 istrnamlen = strlen("interrupt"); 1280 while (intrname < intrnames + inamlen) { 1281 clen = strlen(intrname); 1282 if (clen > istrnamlen) 1283 istrnamlen = clen; 1284 intrname += strlen(intrname) + 1; 1285 } 1286 xo_emit("{T:/%-*s} {T:/%20s} {T:/%10s}\n", 1287 (int)istrnamlen, "interrupt", "total", "rate"); 1288 1289 /* 1290 * Loop reps times printing differential interrupt counts. If reps is 1291 * zero, then run just once, printing total counts 1292 */ 1293 xo_open_container("interrupt-statistics"); 1294 1295 period_ms = uptime / 1000000; 1296 while(1) { 1297 nintr = read_intrcnts(&intrcnts); 1298 /* 1299 * Initialize old_intrcnts to 0 for the first pass, so 1300 * print_intrcnts will print total interrupts since boot 1301 */ 1302 if (old_intrcnts == NULL) { 1303 old_intrcnts = calloc(nintr, sizeof(unsigned long)); 1304 if (old_intrcnts == NULL) 1305 xo_err(1, "calloc()"); 1306 } 1307 1308 print_intrcnts(intrcnts, old_intrcnts, intrnames, nintr, 1309 istrnamlen, period_ms); 1310 xo_flush(); 1311 1312 free(old_intrcnts); 1313 old_intrcnts = intrcnts; 1314 if (reps >= 0 && --reps <= 0) 1315 break; 1316 usleep(interval * 1000); 1317 old_uptime = uptime; 1318 uptime = getuptime(); 1319 period_ms = (uptime - old_uptime) / 1000000; 1320 } 1321 1322 xo_close_container("interrupt-statistics"); 1323 } 1324 1325 static void 1326 domemstat_malloc(void) 1327 { 1328 struct memory_type_list *mtlp; 1329 struct memory_type *mtp; 1330 size_t i, zones; 1331 int error, first; 1332 1333 mtlp = memstat_mtl_alloc(); 1334 if (mtlp == NULL) { 1335 xo_warn("memstat_mtl_alloc"); 1336 return; 1337 } 1338 if (kd == NULL) { 1339 if (memstat_sysctl_malloc(mtlp, 0) < 0) { 1340 xo_warnx("memstat_sysctl_malloc: %s", 1341 memstat_strerror(memstat_mtl_geterror(mtlp))); 1342 return; 1343 } 1344 } else { 1345 if (memstat_kvm_malloc(mtlp, kd) < 0) { 1346 error = memstat_mtl_geterror(mtlp); 1347 if (error == MEMSTAT_ERROR_KVM) 1348 xo_warnx("memstat_kvm_malloc: %s", 1349 kvm_geterr(kd)); 1350 else 1351 xo_warnx("memstat_kvm_malloc: %s", 1352 memstat_strerror(error)); 1353 } 1354 } 1355 xo_open_container("malloc-statistics"); 1356 xo_emit("{T:/%16s} {T:/%4s} {T:/%5s} {T:/%3s} {T:Size(s)}\n", 1357 "Type", "Use", "Memory", "Req"); 1358 xo_open_list("memory"); 1359 zones = memstat_malloc_zone_get_count(); 1360 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1361 mtp = memstat_mtl_next(mtp)) { 1362 if (memstat_get_numallocs(mtp) == 0 && 1363 memstat_get_count(mtp) == 0) 1364 continue; 1365 xo_open_instance("memory"); 1366 xo_emit("{k:type/%16s/%s} " 1367 "{[:4}{h,hn-decimal,hn-1000:in-use/%ju}{]:} " 1368 "{[:5}{h,hn-decimal:memory-use/%ju}{]:} " 1369 "{[:4}{h,hn-decimal,hn-1000:requests/%ju}{]:} ", 1370 memstat_get_name(mtp), (uintmax_t)memstat_get_count(mtp), 1371 (uintmax_t)memstat_get_bytes(mtp), 1372 (uintmax_t)memstat_get_numallocs(mtp)); 1373 first = 1; 1374 xo_open_list("size"); 1375 for (i = 0; i < zones; i++) { 1376 if (memstat_malloc_zone_used(mtp, i)) { 1377 if (!first) 1378 xo_emit(","); 1379 xo_emit("{lh:size/%d}", memstat_malloc_zone_get_size(i)); 1380 first = 0; 1381 } 1382 } 1383 xo_close_list("size"); 1384 xo_close_instance("memory"); 1385 xo_emit("\n"); 1386 } 1387 xo_close_list("memory"); 1388 xo_close_container("malloc-statistics"); 1389 memstat_mtl_free(mtlp); 1390 } 1391 1392 static void 1393 domemstat_zone(void) 1394 { 1395 struct memory_type_list *mtlp; 1396 struct memory_type *mtp; 1397 int error, len; 1398 1399 mtlp = memstat_mtl_alloc(); 1400 if (mtlp == NULL) { 1401 xo_warn("memstat_mtl_alloc"); 1402 return; 1403 } 1404 if (kd == NULL) { 1405 if (memstat_sysctl_uma(mtlp, 0) < 0) { 1406 xo_warnx("memstat_sysctl_uma: %s", 1407 memstat_strerror(memstat_mtl_geterror(mtlp))); 1408 return; 1409 } 1410 } else { 1411 if (memstat_kvm_uma(mtlp, kd) < 0) { 1412 error = memstat_mtl_geterror(mtlp); 1413 if (error == MEMSTAT_ERROR_KVM) 1414 xo_warnx("memstat_kvm_uma: %s", 1415 kvm_geterr(kd)); 1416 else 1417 xo_warnx("memstat_kvm_uma: %s", 1418 memstat_strerror(error)); 1419 } 1420 } 1421 xo_open_container("memory-zone-statistics"); 1422 xo_emit("{T:/%-19s} {T:/%7s} {T:/%7s} {T:/%8s} {T:/%8s} {T:/%8s} " 1423 "{T:/%4s} {T:/%4s} {T:/%4s}\n", "ITEM", "SIZE", 1424 "LIMIT", "USED", "FREE", "REQ", "FAIL", "SLEEP", "XDOM"); 1425 xo_open_list("zone"); 1426 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1427 mtp = memstat_mtl_next(mtp)) { 1428 len = strlen(memstat_get_name(mtp)); 1429 xo_open_instance("zone"); 1430 xo_emit("{k:name/%s}:{d:size/%*ju}{e:size/%ju}," 1431 "{:limit/%7ju},{:used/%8ju}," 1432 "{:free/%8ju},{:requests/%8ju}," 1433 "{:fail/%4ju},{:sleep/%4ju},{:xdomain/%4ju}\n", 1434 memstat_get_name(mtp), MAX(1, 26 - len), 1435 (uintmax_t)memstat_get_size(mtp), 1436 (uintmax_t)memstat_get_size(mtp), 1437 (uintmax_t)memstat_get_countlimit(mtp), 1438 (uintmax_t)memstat_get_count(mtp), 1439 (uintmax_t)memstat_get_free(mtp), 1440 (uintmax_t)memstat_get_numallocs(mtp), 1441 (uintmax_t)memstat_get_failures(mtp), 1442 (uintmax_t)memstat_get_sleeps(mtp), 1443 (uintmax_t)memstat_get_xdomain(mtp)); 1444 xo_close_instance("zone"); 1445 } 1446 memstat_mtl_free(mtlp); 1447 xo_close_list("zone"); 1448 xo_close_container("memory-zone-statistics"); 1449 } 1450 1451 static void 1452 display_object(struct kinfo_vmobject *kvo) 1453 { 1454 const char *str; 1455 1456 xo_open_instance("object"); 1457 xo_emit("{:resident/%5ju} ", (uintmax_t)kvo->kvo_resident); 1458 xo_emit("{:active/%5ju} ", (uintmax_t)kvo->kvo_active); 1459 xo_emit("{:inactive/%5ju} ", (uintmax_t)kvo->kvo_inactive); 1460 xo_emit("{:refcount/%3d} ", kvo->kvo_ref_count); 1461 xo_emit("{:shadowcount/%3d} ", kvo->kvo_shadow_count); 1462 1463 #define MEMATTR_STR(type, val) \ 1464 if (kvo->kvo_memattr == (type)) { \ 1465 str = (val); \ 1466 } else 1467 #ifdef VM_MEMATTR_UNCACHEABLE 1468 MEMATTR_STR(VM_MEMATTR_UNCACHEABLE, "UC") 1469 #endif 1470 #ifdef VM_MEMATTR_WRITE_COMBINING 1471 MEMATTR_STR(VM_MEMATTR_WRITE_COMBINING, "WC") 1472 #endif 1473 #ifdef VM_MEMATTR_WRITE_THROUGH 1474 MEMATTR_STR(VM_MEMATTR_WRITE_THROUGH, "WT") 1475 #endif 1476 #ifdef VM_MEMATTR_WRITE_PROTECTED 1477 MEMATTR_STR(VM_MEMATTR_WRITE_PROTECTED, "WP") 1478 #endif 1479 #ifdef VM_MEMATTR_WRITE_BACK 1480 MEMATTR_STR(VM_MEMATTR_WRITE_BACK, "WB") 1481 #endif 1482 #ifdef VM_MEMATTR_WEAK_UNCACHEABLE 1483 MEMATTR_STR(VM_MEMATTR_WEAK_UNCACHEABLE, "UC-") 1484 #endif 1485 #ifdef VM_MEMATTR_WB_WA 1486 MEMATTR_STR(VM_MEMATTR_WB_WA, "WB") 1487 #endif 1488 #ifdef VM_MEMATTR_NOCACHE 1489 MEMATTR_STR(VM_MEMATTR_NOCACHE, "NC") 1490 #endif 1491 #ifdef VM_MEMATTR_DEVICE 1492 MEMATTR_STR(VM_MEMATTR_DEVICE, "DEV") 1493 #endif 1494 #ifdef VM_MEMATTR_DEVICE_NP 1495 MEMATTR_STR(VM_MEMATTR_DEVICE, "NP") 1496 #endif 1497 #ifdef VM_MEMATTR_CACHEABLE 1498 MEMATTR_STR(VM_MEMATTR_CACHEABLE, "C") 1499 #endif 1500 #ifdef VM_MEMATTR_PREFETCHABLE 1501 MEMATTR_STR(VM_MEMATTR_PREFETCHABLE, "PRE") 1502 #endif 1503 { 1504 str = "??"; 1505 } 1506 #undef MEMATTR_STR 1507 xo_emit("{:attribute/%-3s} ", str); 1508 switch (kvo->kvo_type) { 1509 case KVME_TYPE_NONE: 1510 str = "--"; 1511 break; 1512 case KVME_TYPE_DEFAULT: 1513 str = "df"; 1514 break; 1515 case KVME_TYPE_VNODE: 1516 str = "vn"; 1517 break; 1518 case KVME_TYPE_SWAP: 1519 str = "sw"; 1520 break; 1521 case KVME_TYPE_DEVICE: 1522 str = "dv"; 1523 break; 1524 case KVME_TYPE_PHYS: 1525 str = "ph"; 1526 break; 1527 case KVME_TYPE_DEAD: 1528 str = "dd"; 1529 break; 1530 case KVME_TYPE_SG: 1531 str = "sg"; 1532 break; 1533 case KVME_TYPE_MGTDEVICE: 1534 str = "md"; 1535 break; 1536 case KVME_TYPE_UNKNOWN: 1537 default: 1538 str = "??"; 1539 break; 1540 } 1541 xo_emit("{:type/%-2s} ", str); 1542 xo_emit("{:path/%-s}\n", kvo->kvo_path); 1543 xo_close_instance("object"); 1544 } 1545 1546 static void 1547 doobjstat(void) 1548 { 1549 struct kinfo_vmobject *kvo; 1550 int cnt, i; 1551 1552 kvo = kinfo_getvmobject(&cnt); 1553 if (kvo == NULL) { 1554 xo_warn("Failed to fetch VM object list"); 1555 return; 1556 } 1557 xo_emit("{T:RES/%5s} {T:ACT/%5s} {T:INACT/%5s} {T:REF/%3s} {T:SHD/%3s} " 1558 "{T:CM/%3s} {T:TP/%2s} {T:PATH/%s}\n"); 1559 xo_open_list("object"); 1560 for (i = 0; i < cnt; i++) 1561 display_object(&kvo[i]); 1562 free(kvo); 1563 xo_close_list("object"); 1564 } 1565 1566 /* 1567 * kread reads something from the kernel, given its nlist index. 1568 */ 1569 static void 1570 kreado(int nlx, void *addr, size_t size, size_t offset) 1571 { 1572 const char *sym; 1573 1574 if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) { 1575 sym = namelist[nlx].n_name; 1576 if (*sym == '_') 1577 ++sym; 1578 xo_errx(1, "symbol %s not defined", sym); 1579 } 1580 if ((size_t)kvm_read(kd, namelist[nlx].n_value + offset, addr, 1581 size) != size) { 1582 sym = namelist[nlx].n_name; 1583 if (*sym == '_') 1584 ++sym; 1585 xo_errx(1, "%s: %s", sym, kvm_geterr(kd)); 1586 } 1587 } 1588 1589 static void 1590 kread(int nlx, void *addr, size_t size) 1591 { 1592 1593 kreado(nlx, addr, size, 0); 1594 } 1595 1596 static void 1597 kreadptr(uintptr_t addr, void *buf, size_t size) 1598 { 1599 1600 if ((size_t)kvm_read(kd, addr, buf, size) != size) 1601 xo_errx(1, "%s", kvm_geterr(kd)); 1602 } 1603 1604 static void __dead2 1605 usage(void) 1606 { 1607 xo_error("%s%s", 1608 "usage: vmstat [-afHhimoPsz] [-M core [-N system]] [-c count] [-n devs]\n", 1609 " [-p type,if,pass] [-w wait] [disks] [wait [count]]\n"); 1610 xo_finish(); 1611 exit(1); 1612 } 1613