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_nofree_count; 146 u_int v_active_count; 147 u_int v_inactive_target; 148 u_int v_inactive_count; 149 u_int v_laundry_count; 150 u_int v_pageout_free_min; 151 u_int v_interrupt_free_min; 152 u_int v_free_severe; 153 } sum, osum; 154 155 #define VMSTAT_DEFAULT_LINES 20 /* Default number of `winlines'. */ 156 static volatile sig_atomic_t wresized; /* Tty resized when non-zero. */ 157 static int winlines = VMSTAT_DEFAULT_LINES; /* Current number of tty rows. */ 158 159 static int aflag; 160 static int nflag; 161 static int Pflag; 162 static int hflag; 163 164 static kvm_t *kd; 165 166 #define FORKSTAT 0x01 167 #define INTRSTAT 0x02 168 #define MEMSTAT 0x04 169 #define SUMSTAT 0x08 170 #define TIMESTAT 0x10 171 #define VMSTAT 0x20 172 #define ZMEMSTAT 0x40 173 #define OBJSTAT 0x80 174 175 static void cpustats(void); 176 static void pcpustats(u_long, int); 177 static void devstats(void); 178 static void doforkst(void); 179 static void dointr(unsigned int, int); 180 static void doobjstat(void); 181 static void dosum(void); 182 static void dovmstat(unsigned int, int); 183 static void domemstat_malloc(void); 184 static void domemstat_zone(void); 185 static void kread(int, void *, size_t); 186 static void kreado(int, void *, size_t, size_t); 187 static void kreadptr(uintptr_t, void *, size_t); 188 static void needhdr(int); 189 static void needresize(int); 190 static void doresize(void); 191 static void printhdr(int, u_long); 192 static void usage(void); 193 194 static long pct(long, long); 195 static long long getuptime(void); 196 197 static char **getdrivedata(char **); 198 199 int 200 main(int argc, char *argv[]) 201 { 202 char *bp, *buf, *memf, *nlistf; 203 float f; 204 int bufsize, c, reps, todo; 205 size_t len; 206 unsigned int interval; 207 char errbuf[_POSIX2_LINE_MAX]; 208 209 memf = nlistf = NULL; 210 interval = reps = todo = 0; 211 maxshowdevs = 2; 212 213 argc = xo_parse_args(argc, argv); 214 if (argc < 0) 215 return (argc); 216 217 hflag = isatty(1); 218 219 while ((c = getopt(argc, argv, "ac:fhHiM:mN:n:oPp:sw:z")) != -1) { 220 switch (c) { 221 case 'a': 222 aflag++; 223 break; 224 case 'c': 225 reps = atoi(optarg); 226 break; 227 case 'P': 228 Pflag++; 229 break; 230 case 'f': 231 todo |= FORKSTAT; 232 break; 233 case 'h': 234 hflag = 1; 235 break; 236 case 'H': 237 hflag = 0; 238 break; 239 case 'i': 240 todo |= INTRSTAT; 241 break; 242 case 'M': 243 memf = optarg; 244 break; 245 case 'm': 246 todo |= MEMSTAT; 247 break; 248 case 'N': 249 nlistf = optarg; 250 break; 251 case 'n': 252 nflag = 1; 253 maxshowdevs = atoi(optarg); 254 if (maxshowdevs < 0) 255 xo_errx(1, "number of devices %d is < 0", 256 maxshowdevs); 257 break; 258 case 'o': 259 todo |= OBJSTAT; 260 break; 261 case 'p': 262 if (devstat_buildmatch(optarg, &matches, &num_matches) 263 != 0) 264 xo_errx(1, "%s", devstat_errbuf); 265 break; 266 case 's': 267 todo |= SUMSTAT; 268 break; 269 case 'w': 270 /* Convert to milliseconds. */ 271 f = atof(optarg); 272 interval = f * 1000; 273 break; 274 case 'z': 275 todo |= ZMEMSTAT; 276 break; 277 case '?': 278 default: 279 usage(); 280 } 281 } 282 argc -= optind; 283 argv += optind; 284 285 xo_set_version(VMSTAT_XO_VERSION); 286 xo_open_container("vmstat"); 287 if (!hflag) 288 xo_set_options(NULL, "no-humanize"); 289 if (todo == 0) 290 todo = VMSTAT; 291 292 if (memf != NULL) { 293 kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 294 if (kd == NULL) 295 xo_errx(1, "kvm_openfiles: %s", errbuf); 296 } 297 298 retry_nlist: 299 if (kd != NULL && (c = kvm_nlist(kd, namelist)) != 0) { 300 if (c > 0) { 301 bufsize = 0; 302 len = 0; 303 304 /* 305 * 'cnt' was renamed to 'vm_cnt'. If 'vm_cnt' is not 306 * found try looking up older 'cnt' symbol. 307 * */ 308 if (namelist[X_SUM].n_type == 0 && 309 strcmp(namelist[X_SUM].n_name, "_vm_cnt") == 0) { 310 namelist[X_SUM].n_name = "_cnt"; 311 goto retry_nlist; 312 } 313 314 /* 315 * 'nintrcnt' doesn't exist in older kernels, but 316 * that isn't fatal. 317 */ 318 if (namelist[X_NINTRCNT].n_type == 0 && c == 1) 319 goto nlist_ok; 320 321 for (c = 0; c < (int)(nitems(namelist)); c++) 322 if (namelist[c].n_type == 0) 323 bufsize += strlen(namelist[c].n_name) 324 + 1; 325 bufsize += len + 1; 326 buf = bp = alloca(bufsize); 327 328 for (c = 0; c < (int)(nitems(namelist)); c++) 329 if (namelist[c].n_type == 0) { 330 xo_error(" %s", 331 namelist[c].n_name); 332 len = strlen(namelist[c].n_name); 333 *bp++ = ' '; 334 memcpy(bp, namelist[c].n_name, len); 335 bp += len; 336 } 337 *bp = '\0'; 338 xo_error("undefined symbols:\n", buf); 339 } else 340 xo_warnx("kvm_nlist: %s", kvm_geterr(kd)); 341 xo_finish(); 342 exit(1); 343 } 344 nlist_ok: 345 if (kd && Pflag) 346 xo_errx(1, "Cannot use -P with crash dumps"); 347 348 if (todo & VMSTAT) { 349 /* 350 * Make sure that the userland devstat version matches the 351 * kernel devstat version. If not, exit and print a 352 * message informing the user of his mistake. 353 */ 354 if (devstat_checkversion(NULL) < 0) 355 xo_errx(1, "%s", devstat_errbuf); 356 357 358 argv = getdrivedata(argv); 359 } 360 361 if (*argv) { 362 f = atof(*argv); 363 interval = f * 1000; 364 if (*++argv) 365 reps = atoi(*argv); 366 } 367 368 if (interval) { 369 if (!reps) 370 reps = -1; 371 } else if (reps) 372 interval = 1 * 1000; 373 374 if (todo & FORKSTAT) 375 doforkst(); 376 if (todo & MEMSTAT) 377 domemstat_malloc(); 378 if (todo & ZMEMSTAT) 379 domemstat_zone(); 380 if (todo & SUMSTAT) 381 dosum(); 382 if (todo & OBJSTAT) 383 doobjstat(); 384 if (todo & INTRSTAT) 385 dointr(interval, reps); 386 if (todo & VMSTAT) 387 dovmstat(interval, reps); 388 xo_close_container("vmstat"); 389 xo_finish(); 390 exit(0); 391 } 392 393 static int 394 mysysctl(const char *name, void *oldp, size_t *oldlenp) 395 { 396 int error; 397 398 error = sysctlbyname(name, oldp, oldlenp, NULL, 0); 399 if (error != 0 && errno != ENOMEM) 400 xo_err(1, "sysctl(%s)", name); 401 return (error); 402 } 403 404 static char ** 405 getdrivedata(char **argv) 406 { 407 408 if ((num_devices = devstat_getnumdevs(NULL)) < 0) 409 xo_errx(1, "%s", devstat_errbuf); 410 411 cur.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 412 last.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 413 414 if (devstat_getdevs(NULL, &cur) == -1) 415 xo_errx(1, "%s", devstat_errbuf); 416 417 num_devices = cur.dinfo->numdevs; 418 generation = cur.dinfo->generation; 419 420 specified_devices = malloc(sizeof(char *)); 421 for (num_devices_specified = 0; *argv; ++argv) { 422 if (isdigit(**argv)) 423 break; 424 num_devices_specified++; 425 specified_devices = reallocf(specified_devices, 426 sizeof(char *) * num_devices_specified); 427 if (specified_devices == NULL) { 428 xo_errx(1, "%s", "reallocf (specified_devices)"); 429 } 430 specified_devices[num_devices_specified - 1] = *argv; 431 } 432 dev_select = NULL; 433 434 if (nflag == 0 && maxshowdevs < num_devices_specified) 435 maxshowdevs = num_devices_specified; 436 437 /* 438 * People are generally only interested in disk statistics when 439 * they're running vmstat. So, that's what we're going to give 440 * them if they don't specify anything by default. We'll also give 441 * them any other random devices in the system so that we get to 442 * maxshowdevs devices, if that many devices exist. If the user 443 * specifies devices on the command line, either through a pattern 444 * match or by naming them explicitly, we will give the user only 445 * those devices. 446 */ 447 if ((num_devices_specified == 0) && (num_matches == 0)) { 448 if (devstat_buildmatch(da, &matches, &num_matches) != 0) 449 xo_errx(1, "%s", devstat_errbuf); 450 select_mode = DS_SELECT_ADD; 451 } else 452 select_mode = DS_SELECT_ONLY; 453 454 /* 455 * At this point, selectdevs will almost surely indicate that the 456 * device list has changed, so we don't look for return values of 0 457 * or 1. If we get back -1, though, there is an error. 458 */ 459 if (devstat_selectdevs(&dev_select, &num_selected, &num_selections, 460 &select_generation, generation, cur.dinfo->devices, 461 num_devices, matches, num_matches, specified_devices, 462 num_devices_specified, select_mode, 463 maxshowdevs, 0) == -1) 464 xo_errx(1, "%s", devstat_errbuf); 465 466 return(argv); 467 } 468 469 /* Return system uptime in nanoseconds */ 470 static long long 471 getuptime(void) 472 { 473 struct timespec sp; 474 475 (void)clock_gettime(CLOCK_UPTIME, &sp); 476 return((long long)sp.tv_sec * 1000000000LL + sp.tv_nsec); 477 } 478 479 static void 480 fill_vmmeter(struct __vmmeter *vmmp) 481 { 482 struct vmmeter vm_cnt; 483 size_t size; 484 485 if (kd != NULL) { 486 kread(X_SUM, &vm_cnt, sizeof(vm_cnt)); 487 #define GET_COUNTER(name) \ 488 vmmp->name = kvm_counter_u64_fetch(kd, (u_long)vm_cnt.name) 489 GET_COUNTER(v_swtch); 490 GET_COUNTER(v_trap); 491 GET_COUNTER(v_syscall); 492 GET_COUNTER(v_intr); 493 GET_COUNTER(v_soft); 494 GET_COUNTER(v_vm_faults); 495 GET_COUNTER(v_io_faults); 496 GET_COUNTER(v_cow_faults); 497 GET_COUNTER(v_cow_optim); 498 GET_COUNTER(v_zfod); 499 GET_COUNTER(v_ozfod); 500 GET_COUNTER(v_swapin); 501 GET_COUNTER(v_swapout); 502 GET_COUNTER(v_swappgsin); 503 GET_COUNTER(v_swappgsout); 504 GET_COUNTER(v_vnodein); 505 GET_COUNTER(v_vnodeout); 506 GET_COUNTER(v_vnodepgsin); 507 GET_COUNTER(v_vnodepgsout); 508 GET_COUNTER(v_intrans); 509 GET_COUNTER(v_tfree); 510 GET_COUNTER(v_forks); 511 GET_COUNTER(v_vforks); 512 GET_COUNTER(v_rforks); 513 GET_COUNTER(v_kthreads); 514 GET_COUNTER(v_forkpages); 515 GET_COUNTER(v_vforkpages); 516 GET_COUNTER(v_rforkpages); 517 GET_COUNTER(v_kthreadpages); 518 #undef GET_COUNTER 519 } else { 520 #define GET_VM_STATS(cat, name) do { \ 521 size = sizeof(vmmp->name); \ 522 mysysctl("vm.stats." #cat "." #name, &vmmp->name, &size); \ 523 } while (0) 524 /* sys */ 525 GET_VM_STATS(sys, v_swtch); 526 GET_VM_STATS(sys, v_trap); 527 GET_VM_STATS(sys, v_syscall); 528 GET_VM_STATS(sys, v_intr); 529 GET_VM_STATS(sys, v_soft); 530 531 /* vm */ 532 GET_VM_STATS(vm, v_vm_faults); 533 GET_VM_STATS(vm, v_io_faults); 534 GET_VM_STATS(vm, v_cow_faults); 535 GET_VM_STATS(vm, v_cow_optim); 536 GET_VM_STATS(vm, v_zfod); 537 GET_VM_STATS(vm, v_ozfod); 538 GET_VM_STATS(vm, v_swapin); 539 GET_VM_STATS(vm, v_swapout); 540 GET_VM_STATS(vm, v_swappgsin); 541 GET_VM_STATS(vm, v_swappgsout); 542 GET_VM_STATS(vm, v_vnodein); 543 GET_VM_STATS(vm, v_vnodeout); 544 GET_VM_STATS(vm, v_vnodepgsin); 545 GET_VM_STATS(vm, v_vnodepgsout); 546 GET_VM_STATS(vm, v_intrans); 547 GET_VM_STATS(vm, v_reactivated); 548 GET_VM_STATS(vm, v_pdwakeups); 549 GET_VM_STATS(vm, v_pdpages); 550 GET_VM_STATS(vm, v_pdshortfalls); 551 GET_VM_STATS(vm, v_dfree); 552 GET_VM_STATS(vm, v_pfree); 553 GET_VM_STATS(vm, v_tfree); 554 GET_VM_STATS(vm, v_page_size); 555 GET_VM_STATS(vm, v_page_count); 556 GET_VM_STATS(vm, v_free_reserved); 557 GET_VM_STATS(vm, v_free_target); 558 GET_VM_STATS(vm, v_free_min); 559 GET_VM_STATS(vm, v_free_count); 560 GET_VM_STATS(vm, v_wire_count); 561 GET_VM_STATS(vm, v_user_wire_count); 562 GET_VM_STATS(vm, v_nofree_count); 563 GET_VM_STATS(vm, v_active_count); 564 GET_VM_STATS(vm, v_inactive_target); 565 GET_VM_STATS(vm, v_inactive_count); 566 GET_VM_STATS(vm, v_laundry_count); 567 GET_VM_STATS(vm, v_pageout_free_min); 568 GET_VM_STATS(vm, v_interrupt_free_min); 569 /*GET_VM_STATS(vm, v_free_severe);*/ 570 GET_VM_STATS(vm, v_forks); 571 GET_VM_STATS(vm, v_vforks); 572 GET_VM_STATS(vm, v_rforks); 573 GET_VM_STATS(vm, v_kthreads); 574 GET_VM_STATS(vm, v_forkpages); 575 GET_VM_STATS(vm, v_vforkpages); 576 GET_VM_STATS(vm, v_rforkpages); 577 GET_VM_STATS(vm, v_kthreadpages); 578 #undef GET_VM_STATS 579 } 580 } 581 582 static void 583 fill_vmtotal(struct vmtotal *vmtp) 584 { 585 size_t size; 586 587 if (kd != NULL) { 588 /* XXX fill vmtp */ 589 xo_errx(1, "not implemented"); 590 } else { 591 size = sizeof(*vmtp); 592 mysysctl("vm.vmtotal", vmtp, &size); 593 if (size != sizeof(*vmtp)) 594 xo_errx(1, "vm.total size mismatch"); 595 } 596 } 597 598 /* Determine how many cpu columns, and what index they are in kern.cp_times */ 599 static void 600 getcpuinfo(u_long *maskp, int *maxidp) 601 { 602 long *times; 603 u_long mask; 604 size_t size; 605 int empty, i, j, maxcpu, maxid; 606 607 if (kd != NULL) 608 xo_errx(1, "not implemented"); 609 mask = 0; 610 size = sizeof(maxcpu); 611 mysysctl("kern.smp.maxcpus", &maxcpu, &size); 612 if (size != sizeof(maxcpu)) 613 xo_errx(1, "sysctl kern.smp.maxcpus"); 614 size = sizeof(long) * maxcpu * CPUSTATES; 615 times = malloc(size); 616 if (times == NULL) 617 xo_err(1, "malloc %zd bytes", size); 618 mysysctl("kern.cp_times", times, &size); 619 maxid = (size / CPUSTATES / sizeof(long)) - 1; 620 for (i = 0; i <= maxid; i++) { 621 empty = 1; 622 for (j = 0; empty && j < CPUSTATES; j++) { 623 if (times[i * CPUSTATES + j] != 0) 624 empty = 0; 625 } 626 if (!empty) 627 mask |= (1ul << i); 628 } 629 if (maskp) 630 *maskp = mask; 631 if (maxidp) 632 *maxidp = maxid; 633 } 634 635 static void 636 dovmstat(unsigned int interval, int reps) 637 { 638 struct clockinfo clockrate; 639 struct vmtotal total; 640 struct devinfo *tmp_dinfo; 641 u_long cpumask; 642 size_t size; 643 time_t uptime, halfuptime; 644 int maxid, rate_adj, retval; 645 646 uptime = getuptime() / 1000000000LL; 647 halfuptime = uptime / 2; 648 rate_adj = 1; 649 maxid = 0; 650 cpumask = 0; 651 652 /* 653 * If the user stops the program (control-Z) and then resumes it, 654 * print out the header again. 655 */ 656 (void)signal(SIGCONT, needhdr); 657 658 /* 659 * If our standard output is a tty, then install a SIGWINCH handler 660 * and set wresized so that our first iteration through the main 661 * vmstat loop will peek at the terminal's current rows to find out 662 * how many lines can fit in a screenful of output. 663 */ 664 if (isatty(fileno(stdout)) != 0) { 665 wresized = 1; 666 (void)signal(SIGWINCH, needresize); 667 } else { 668 wresized = 0; 669 winlines = VMSTAT_DEFAULT_LINES; 670 } 671 672 if (kd != NULL) { 673 if (namelist[X_STATHZ].n_type != 0 && 674 namelist[X_STATHZ].n_value != 0) 675 kread(X_STATHZ, &hz, sizeof(hz)); 676 if (!hz) 677 kread(X_HZ, &hz, sizeof(hz)); 678 } else { 679 size = sizeof(clockrate); 680 mysysctl("kern.clockrate", &clockrate, &size); 681 if (size != sizeof(clockrate)) 682 xo_errx(1, "clockrate size mismatch"); 683 hz = clockrate.hz; 684 } 685 686 if (Pflag) { 687 getcpuinfo(&cpumask, &maxid); 688 size_cp_times = sizeof(long) * (maxid + 1) * CPUSTATES; 689 cur_cp_times = calloc(1, size_cp_times); 690 last_cp_times = calloc(1, size_cp_times); 691 } 692 for (hdrcnt = 1;;) { 693 if (!--hdrcnt) 694 printhdr(maxid, cpumask); 695 if (kd != NULL) { 696 if (kvm_getcptime(kd, cur.cp_time) < 0) 697 xo_errx(1, "kvm_getcptime: %s", kvm_geterr(kd)); 698 } else { 699 size = sizeof(cur.cp_time); 700 mysysctl("kern.cp_time", &cur.cp_time, &size); 701 if (size != sizeof(cur.cp_time)) 702 xo_errx(1, "cp_time size mismatch"); 703 } 704 if (Pflag) { 705 size = size_cp_times; 706 mysysctl("kern.cp_times", cur_cp_times, &size); 707 if (size != size_cp_times) 708 xo_errx(1, "cp_times mismatch"); 709 } 710 711 tmp_dinfo = last.dinfo; 712 last.dinfo = cur.dinfo; 713 cur.dinfo = tmp_dinfo; 714 last.snap_time = cur.snap_time; 715 716 /* 717 * Here what we want to do is refresh our device stats. 718 * getdevs() returns 1 when the device list has changed. 719 * If the device list has changed, we want to go through 720 * the selection process again, in case a device that we 721 * were previously displaying has gone away. 722 */ 723 switch (devstat_getdevs(NULL, &cur)) { 724 case -1: 725 xo_errx(1, "%s", devstat_errbuf); 726 break; 727 case 1: 728 num_devices = cur.dinfo->numdevs; 729 generation = cur.dinfo->generation; 730 731 retval = devstat_selectdevs(&dev_select, &num_selected, 732 &num_selections, &select_generation, 733 generation, cur.dinfo->devices, 734 num_devices, matches, num_matches, 735 specified_devices, 736 num_devices_specified, select_mode, 737 maxshowdevs, 0); 738 switch (retval) { 739 case -1: 740 xo_errx(1, "%s", devstat_errbuf); 741 break; 742 case 1: 743 printhdr(maxid, cpumask); 744 break; 745 default: 746 break; 747 } 748 break; 749 default: 750 break; 751 } 752 753 fill_vmmeter(&sum); 754 fill_vmtotal(&total); 755 xo_open_container("processes"); 756 xo_emit("{:runnable/%2d} {:waiting/%2ld} " 757 "{:swapped-out/%2ld}", total.t_rq - 1, total.t_dw + 758 total.t_pw, total.t_sw); 759 xo_close_container("processes"); 760 xo_open_container("memory"); 761 #define rate(x) (unsigned long)(((x) * rate_adj + halfuptime) / uptime) 762 xo_emit(" {[:4}{h,hn-decimal:available-memory/%ju}{]:}", 763 (uintmax_t)total.t_avm * sum.v_page_size); 764 xo_emit(" {[:4}{h,hn-decimal:free-memory/%ju}{]:}", 765 (uintmax_t)total.t_free * sum.v_page_size); 766 xo_emit(" {[:4}{h,hn-decimal,hn-1000:total-page-faults/%lu}{]:} ", 767 rate(sum.v_vm_faults - osum.v_vm_faults)); 768 xo_close_container("memory"); 769 770 xo_open_container("paging-rates"); 771 xo_emit("{:page-reactivated/%3lu} ", 772 rate(sum.v_reactivated - osum.v_reactivated)); 773 xo_emit("{:paged-in/%3lu} ", 774 rate(sum.v_swapin + sum.v_vnodein - 775 (osum.v_swapin + osum.v_vnodein))); 776 xo_emit("{:paged-out/%3lu}", 777 rate(sum.v_swapout + sum.v_vnodeout - 778 (osum.v_swapout + osum.v_vnodeout))); 779 xo_emit(" {[:4}{h,hn-decimal,hn-1000:freed/%lu}{]:}", 780 rate(sum.v_tfree - osum.v_tfree)); 781 xo_emit(" {[:4}{h,hn-decimal,hn-1000:scanned/%lu}{]:}", 782 rate(sum.v_pdpages - osum.v_pdpages)); 783 xo_close_container("paging-rates"); 784 785 devstats(); 786 xo_open_container("fault-rates"); 787 xo_emit(" {[:4}{h,hn-decimal,hn-1000:interrupts/%lu}{]:}" 788 " {[:4}{h,hn-decimal,hn-1000:system-calls/%lu}{]:}" 789 " {[:4}{h,hn-decimal,hn-1000:context-switches/%lu}{]:}", 790 rate(sum.v_intr - osum.v_intr), 791 rate(sum.v_syscall - osum.v_syscall), 792 rate(sum.v_swtch - osum.v_swtch)); 793 xo_close_container("fault-rates"); 794 if (Pflag) 795 pcpustats(cpumask, maxid); 796 else 797 cpustats(); 798 xo_emit("\n"); 799 xo_flush(); 800 if (reps >= 0 && --reps <= 0) 801 break; 802 osum = sum; 803 uptime = interval; 804 rate_adj = 1000; 805 /* 806 * We round upward to avoid losing low-frequency events 807 * (i.e., >= 1 per interval but < 1 per millisecond). 808 */ 809 if (interval != 1) 810 halfuptime = (uptime + 1) / 2; 811 else 812 halfuptime = 0; 813 (void)usleep(interval * 1000); 814 } 815 } 816 817 static void 818 printhdr(int maxid, u_long cpumask) 819 { 820 int i, num_shown; 821 822 num_shown = MIN(num_selected, maxshowdevs); 823 xo_emit(" {T:procs} {T:memory} {T:/page%*s}", 19, ""); 824 if (num_shown > 1) 825 xo_emit(" {T:/disks %*s} ", num_shown * 5 - 7, ""); 826 else if (num_shown == 1) 827 xo_emit(" {T:disks} "); 828 xo_emit(" {T:faults} "); 829 if (Pflag) { 830 for (i = 0; i <= maxid; i++) { 831 if (cpumask & (1ul << i)) 832 xo_emit(" {T:/cpu%d} ", i); 833 } 834 xo_emit("\n"); 835 } else 836 xo_emit(" {T:cpu}\n"); 837 xo_emit(" {T:r} {T:b} {T:w} {T:avm} {T:fre} {T:flt} {T:re}" 838 " {T:pi} {T:po} {T:fr} {T:sr} "); 839 for (i = 0; i < num_devices; i++) 840 if ((dev_select[i].selected) && 841 (dev_select[i].selected <= maxshowdevs)) 842 xo_emit("{T:/%3.3s%d} ", dev_select[i].device_name, 843 dev_select[i].unit_number); 844 xo_emit(" {T:in} {T:sy} {T:cs}"); 845 if (Pflag) { 846 for (i = 0; i <= maxid; i++) { 847 if (cpumask & (1ul << i)) 848 xo_emit(" {T:us} {T:sy} {T:id}"); 849 } 850 xo_emit("\n"); 851 } else 852 xo_emit(" {T:us} {T:sy} {T:id}\n"); 853 if (wresized != 0) 854 doresize(); 855 hdrcnt = winlines; 856 } 857 858 /* 859 * Force a header to be prepended to the next output. 860 */ 861 static void 862 needhdr(int dummy __unused) 863 { 864 865 hdrcnt = 1; 866 } 867 868 /* 869 * When the terminal is resized, force an update of the maximum number of rows 870 * printed between each header repetition. Then force a new header to be 871 * prepended to the next output. 872 */ 873 void 874 needresize(int signo __unused) 875 { 876 877 wresized = 1; 878 hdrcnt = 1; 879 } 880 881 /* 882 * Update the global `winlines' count of terminal rows. 883 */ 884 void 885 doresize(void) 886 { 887 struct winsize w; 888 int status; 889 890 for (;;) { 891 status = ioctl(fileno(stdout), TIOCGWINSZ, &w); 892 if (status == -1 && errno == EINTR) 893 continue; 894 else if (status == -1) 895 xo_err(1, "ioctl"); 896 if (w.ws_row > 3) 897 winlines = w.ws_row - 3; 898 else 899 winlines = VMSTAT_DEFAULT_LINES; 900 break; 901 } 902 903 /* 904 * Inhibit doresize() calls until we are rescheduled by SIGWINCH. 905 */ 906 wresized = 0; 907 } 908 909 static long 910 pct(long top, long bot) 911 { 912 long ans; 913 914 if (bot == 0) 915 return(0); 916 ans = (quad_t)top * 100 / bot; 917 return (ans); 918 } 919 920 #define PCT(top, bot) pct((long)(top), (long)(bot)) 921 922 static void 923 dosum(void) 924 { 925 struct nchstats lnchstats; 926 size_t size; 927 long nchtotal; 928 929 fill_vmmeter(&sum); 930 xo_open_container("summary-statistics"); 931 xo_emit("{:context-switches/%9u} {N:cpu context switches}\n", 932 sum.v_swtch); 933 xo_emit("{:interrupts/%9u} {N:device interrupts}\n", 934 sum.v_intr); 935 xo_emit("{:software-interrupts/%9u} {N:software interrupts}\n", 936 sum.v_soft); 937 xo_emit("{:traps/%9u} {N:traps}\n", sum.v_trap); 938 xo_emit("{:system-calls/%9u} {N:system calls}\n", 939 sum.v_syscall); 940 xo_emit("{:kernel-threads/%9u} {N:kernel threads created}\n", 941 sum.v_kthreads); 942 xo_emit("{:forks/%9u} {N: fork() calls}\n", sum.v_forks); 943 xo_emit("{:vforks/%9u} {N:vfork() calls}\n", 944 sum.v_vforks); 945 xo_emit("{:rforks/%9u} {N:rfork() calls}\n", 946 sum.v_rforks); 947 xo_emit("{:swap-ins/%9u} {N:swap pager pageins}\n", 948 sum.v_swapin); 949 xo_emit("{:swap-in-pages/%9u} {N:swap pager pages paged in}\n", 950 sum.v_swappgsin); 951 xo_emit("{:swap-outs/%9u} {N:swap pager pageouts}\n", 952 sum.v_swapout); 953 xo_emit("{:swap-out-pages/%9u} {N:swap pager pages paged out}\n", 954 sum.v_swappgsout); 955 xo_emit("{:vnode-page-ins/%9u} {N:vnode pager pageins}\n", 956 sum.v_vnodein); 957 xo_emit("{:vnode-page-in-pages/%9u} {N:vnode pager pages paged in}\n", 958 sum.v_vnodepgsin); 959 xo_emit("{:vnode-page-outs/%9u} {N:vnode pager pageouts}\n", 960 sum.v_vnodeout); 961 xo_emit("{:vnode-page-out-pages/%9u} {N:vnode pager pages paged out}\n", 962 sum.v_vnodepgsout); 963 xo_emit("{:page-daemon-wakeups/%9u} {N:page daemon wakeups}\n", 964 sum.v_pdwakeups); 965 xo_emit("{:page-daemon-pages/%9u} {N:pages examined by the page " 966 "daemon}\n", sum.v_pdpages); 967 xo_emit("{:page-reclamation-shortfalls/%9u} {N:clean page reclamation " 968 "shortfalls}\n", sum.v_pdshortfalls); 969 xo_emit("{:reactivated/%9u} {N:pages reactivated by the page daemon}\n", 970 sum.v_reactivated); 971 xo_emit("{:copy-on-write-faults/%9u} {N:copy-on-write faults}\n", 972 sum.v_cow_faults); 973 xo_emit("{:copy-on-write-optimized-faults/%9u} {N:copy-on-write " 974 "optimized faults}\n", sum.v_cow_optim); 975 xo_emit("{:zero-fill-pages/%9u} {N:zero fill pages zeroed}\n", 976 sum.v_zfod); 977 xo_emit("{:zero-fill-prezeroed/%9u} {N:zero fill pages prezeroed}\n", 978 sum.v_ozfod); 979 xo_emit("{:intransit-blocking/%9u} {N:intransit blocking page faults}\n", 980 sum.v_intrans); 981 xo_emit("{:total-faults/%9u} {N:total VM faults taken}\n", 982 sum.v_vm_faults); 983 xo_emit("{:faults-requiring-io/%9u} {N:page faults requiring I\\/O}\n", 984 sum.v_io_faults); 985 xo_emit("{:faults-from-thread-creation/%9u} {N:pages affected by " 986 "kernel thread creation}\n", sum.v_kthreadpages); 987 xo_emit("{:faults-from-fork/%9u} {N:pages affected by fork}()\n", 988 sum.v_forkpages); 989 xo_emit("{:faults-from-vfork/%9u} {N:pages affected by vfork}()\n", 990 sum.v_vforkpages); 991 xo_emit("{:pages-rfork/%9u} {N:pages affected by rfork}()\n", 992 sum.v_rforkpages); 993 xo_emit("{:pages-freed/%9u} {N:pages freed}\n", 994 sum.v_tfree); 995 xo_emit("{:pages-freed-by-daemon/%9u} {N:pages freed by daemon}\n", 996 sum.v_dfree); 997 xo_emit("{:pages-freed-on-exit/%9u} {N:pages freed by exiting processes}\n", 998 sum.v_pfree); 999 xo_emit("{:active-pages/%9u} {N:pages active}\n", 1000 sum.v_active_count); 1001 xo_emit("{:inactive-pages/%9u} {N:pages inactive}\n", 1002 sum.v_inactive_count); 1003 xo_emit("{:laundry-pages/%9u} {N:pages in the laundry queue}\n", 1004 sum.v_laundry_count); 1005 xo_emit("{:wired-pages/%9u} {N:pages wired down}\n", 1006 sum.v_wire_count); 1007 xo_emit("{:virtual-user-wired-pages/%9lu} {N:virtual user pages wired " 1008 "down}\n", sum.v_user_wire_count); 1009 xo_emit("{:nofree-pages/%9u} {N:permanently allocated pages}\n", 1010 sum.v_nofree_count); 1011 xo_emit("{:free-pages/%9u} {N:pages free}\n", 1012 sum.v_free_count); 1013 xo_emit("{:bytes-per-page/%9u} {N:bytes per page}\n", sum.v_page_size); 1014 if (kd != NULL) { 1015 kread(X_NCHSTATS, &lnchstats, sizeof(lnchstats)); 1016 } else { 1017 size = sizeof(lnchstats); 1018 mysysctl("vfs.cache.nchstats", &lnchstats, &size); 1019 if (size != sizeof(lnchstats)) 1020 xo_errx(1, "vfs.cache.nchstats size mismatch"); 1021 } 1022 nchtotal = lnchstats.ncs_goodhits + lnchstats.ncs_neghits + 1023 lnchstats.ncs_badhits + lnchstats.ncs_falsehits + 1024 lnchstats.ncs_miss + lnchstats.ncs_long; 1025 xo_emit("{:total-name-lookups/%9ld} {N:total name lookups}\n", 1026 nchtotal); 1027 xo_emit("{P:/%9s} {N:cache hits} " 1028 "({:positive-cache-hits/%ld}% pos + " 1029 "{:negative-cache-hits/%ld}% {N:neg}) " 1030 "system {:cache-hit-percent/%ld}% per-directory\n", 1031 "", PCT(lnchstats.ncs_goodhits, nchtotal), 1032 PCT(lnchstats.ncs_neghits, nchtotal), 1033 PCT(lnchstats.ncs_pass2, nchtotal)); 1034 xo_emit("{P:/%9s} {L:deletions} {:deletions/%ld}%, " 1035 "{L:falsehits} {:false-hits/%ld}%, " 1036 "{L:toolong} {:too-long/%ld}%\n", "", 1037 PCT(lnchstats.ncs_badhits, nchtotal), 1038 PCT(lnchstats.ncs_falsehits, nchtotal), 1039 PCT(lnchstats.ncs_long, nchtotal)); 1040 xo_close_container("summary-statistics"); 1041 } 1042 1043 static void 1044 doforkst(void) 1045 { 1046 1047 fill_vmmeter(&sum); 1048 xo_open_container("fork-statistics"); 1049 xo_emit("{:fork/%u} {N:forks}, {:fork-pages/%u} {N:pages}, " 1050 "{L:average} {:fork-average/%.2f}\n", 1051 sum.v_forks, sum.v_forkpages, 1052 sum.v_forks == 0 ? 0.0 : 1053 (double)sum.v_forkpages / sum.v_forks); 1054 xo_emit("{:vfork/%u} {N:vforks}, {:vfork-pages/%u} {N:pages}, " 1055 "{L:average} {:vfork-average/%.2f}\n", 1056 sum.v_vforks, sum.v_vforkpages, 1057 sum.v_vforks == 0 ? 0.0 : 1058 (double)sum.v_vforkpages / sum.v_vforks); 1059 xo_emit("{:rfork/%u} {N:rforks}, {:rfork-pages/%u} {N:pages}, " 1060 "{L:average} {:rfork-average/%.2f}\n", 1061 sum.v_rforks, sum.v_rforkpages, 1062 sum.v_rforks == 0 ? 0.0 : 1063 (double)sum.v_rforkpages / sum.v_rforks); 1064 xo_close_container("fork-statistics"); 1065 } 1066 1067 static void 1068 devstats(void) 1069 { 1070 long double busy_seconds, transfers_per_second; 1071 long tmp; 1072 int di, dn, state; 1073 1074 for (state = 0; state < CPUSTATES; ++state) { 1075 tmp = cur.cp_time[state]; 1076 cur.cp_time[state] -= last.cp_time[state]; 1077 last.cp_time[state] = tmp; 1078 } 1079 1080 busy_seconds = cur.snap_time - last.snap_time; 1081 1082 xo_open_list("device"); 1083 for (dn = 0; dn < num_devices; dn++) { 1084 if (dev_select[dn].selected == 0 || 1085 dev_select[dn].selected > maxshowdevs) 1086 continue; 1087 1088 di = dev_select[dn].position; 1089 1090 if (devstat_compute_statistics(&cur.dinfo->devices[di], 1091 &last.dinfo->devices[di], busy_seconds, 1092 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 1093 DSM_NONE) != 0) 1094 xo_errx(1, "%s", devstat_errbuf); 1095 1096 xo_open_instance("device"); 1097 xo_emit("{ekq:name/%s%d}", 1098 dev_select[dn].device_name, 1099 dev_select[dn].unit_number); 1100 xo_emit("{[:5}{h,hn-decimal,hn-1000:transfers/%ju}{]:}", 1101 (uintmax_t)transfers_per_second); 1102 xo_close_instance("device"); 1103 } 1104 xo_close_list("device"); 1105 } 1106 1107 static void 1108 percent(const char *name, long pctv, int *over) 1109 { 1110 char fmt[64]; 1111 1112 snprintf(fmt, sizeof(fmt), " {:%s/%%%uld/%%ld}", name, 1113 (*over && pctv <= 9) ? 1 : 2); 1114 xo_emit(fmt, pctv); 1115 if (*over && pctv <= 9) 1116 (*over)--; 1117 else if (pctv >= 100) 1118 (*over)++; 1119 } 1120 1121 static void 1122 cpustats(void) 1123 { 1124 long total; 1125 int state, over; 1126 1127 total = 0; 1128 for (state = 0; state < CPUSTATES; ++state) 1129 total += cur.cp_time[state]; 1130 if (total == 0) 1131 total = 1; 1132 over = 0; 1133 xo_open_container("cpu-statistics"); 1134 percent("user", 100LL * (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) / 1135 total, &over); 1136 percent("system", 100LL * (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) / 1137 total, &over); 1138 percent("idle", 100LL * cur.cp_time[CP_IDLE] / total, &over); 1139 xo_close_container("cpu-statistics"); 1140 } 1141 1142 static void 1143 pcpustats(u_long cpumask, int maxid) 1144 { 1145 long tmp, total; 1146 int i, state, over; 1147 1148 /* devstats does this for cp_time */ 1149 for (i = 0; i <= maxid; i++) { 1150 if ((cpumask & (1ul << i)) == 0) 1151 continue; 1152 for (state = 0; state < CPUSTATES; ++state) { 1153 tmp = cur_cp_times[i * CPUSTATES + state]; 1154 cur_cp_times[i * CPUSTATES + state] -= last_cp_times[i * 1155 CPUSTATES + state]; 1156 last_cp_times[i * CPUSTATES + state] = tmp; 1157 } 1158 } 1159 1160 over = 0; 1161 xo_open_list("cpu"); 1162 for (i = 0; i <= maxid; i++) { 1163 if ((cpumask & (1ul << i)) == 0) 1164 continue; 1165 xo_open_instance("cpu"); 1166 xo_emit("{ke:name/%d}", i); 1167 total = 0; 1168 for (state = 0; state < CPUSTATES; ++state) 1169 total += cur_cp_times[i * CPUSTATES + state]; 1170 if (total == 0) 1171 total = 1; 1172 percent("user", 1173 100LL * (cur_cp_times[i * CPUSTATES + CP_USER] + 1174 cur_cp_times[i * CPUSTATES + CP_NICE]) / total, &over); 1175 percent("system", 1176 100LL * (cur_cp_times[i * CPUSTATES + CP_SYS] + 1177 cur_cp_times[i * CPUSTATES + CP_INTR]) / total, &over); 1178 percent("idle", 1179 100LL * cur_cp_times[i * CPUSTATES + CP_IDLE] / total, 1180 &over); 1181 xo_close_instance("cpu"); 1182 } 1183 xo_close_list("cpu"); 1184 } 1185 1186 static unsigned int 1187 read_intrcnts(unsigned long **intrcnts) 1188 { 1189 size_t intrcntlen; 1190 uintptr_t kaddr; 1191 1192 if (kd != NULL) { 1193 kread(X_SINTRCNT, &intrcntlen, sizeof(intrcntlen)); 1194 if ((*intrcnts = malloc(intrcntlen)) == NULL) 1195 err(1, "malloc()"); 1196 if (namelist[X_NINTRCNT].n_type == 0) 1197 kread(X_INTRCNT, *intrcnts, intrcntlen); 1198 else { 1199 kread(X_INTRCNT, &kaddr, sizeof(kaddr)); 1200 kreadptr(kaddr, *intrcnts, intrcntlen); 1201 } 1202 } else { 1203 for (*intrcnts = NULL, intrcntlen = 1024; ; intrcntlen *= 2) { 1204 *intrcnts = reallocf(*intrcnts, intrcntlen); 1205 if (*intrcnts == NULL) 1206 err(1, "reallocf()"); 1207 if (mysysctl("hw.intrcnt", *intrcnts, &intrcntlen) == 0) 1208 break; 1209 } 1210 } 1211 1212 return (intrcntlen / sizeof(unsigned long)); 1213 } 1214 1215 static void 1216 print_intrcnts(unsigned long *intrcnts, unsigned long *old_intrcnts, 1217 char *intrnames, unsigned int nintr, size_t istrnamlen, long long period_ms) 1218 { 1219 uint64_t inttotal, old_inttotal, total_count, total_rate; 1220 unsigned long count, rate; 1221 unsigned int i; 1222 1223 inttotal = 0; 1224 old_inttotal = 0; 1225 xo_open_list("interrupt"); 1226 for (i = 0; i < nintr; i++) { 1227 if (intrnames[0] != '\0' && (*intrcnts != 0 || aflag)) { 1228 count = *intrcnts - *old_intrcnts; 1229 rate = ((uint64_t)count * 1000 + period_ms / 2) / period_ms; 1230 xo_open_instance("interrupt"); 1231 xo_emit("{d:name/%-*s}{ket:name/%s} " 1232 "{:total/%20lu} {:rate/%10lu}\n", 1233 (int)istrnamlen, intrnames, intrnames, count, rate); 1234 xo_close_instance("interrupt"); 1235 } 1236 intrnames += strlen(intrnames) + 1; 1237 inttotal += *intrcnts++; 1238 old_inttotal += *old_intrcnts++; 1239 } 1240 total_count = inttotal - old_inttotal; 1241 total_rate = (total_count * 1000 + period_ms / 2) / period_ms; 1242 xo_close_list("interrupt"); 1243 xo_emit("{L:/%-*s} {:total-interrupts/%20ju} " 1244 "{:total-rate/%10ju}\n", (int)istrnamlen, 1245 "Total", (uintmax_t)total_count, (uintmax_t)total_rate); 1246 } 1247 1248 static void 1249 dointr(unsigned int interval, int reps) 1250 { 1251 unsigned long *intrcnts, *old_intrcnts; 1252 char *intrname, *intrnames; 1253 long long period_ms, old_uptime, uptime; 1254 size_t clen, inamlen, istrnamlen; 1255 uintptr_t kaddr; 1256 unsigned int nintr; 1257 1258 old_intrcnts = NULL; 1259 uptime = getuptime(); 1260 1261 /* Get the names of each interrupt source */ 1262 if (kd != NULL) { 1263 kread(X_SINTRNAMES, &inamlen, sizeof(inamlen)); 1264 if ((intrnames = malloc(inamlen)) == NULL) 1265 xo_err(1, "malloc()"); 1266 if (namelist[X_NINTRCNT].n_type == 0) 1267 kread(X_INTRNAMES, intrnames, inamlen); 1268 else { 1269 kread(X_INTRNAMES, &kaddr, sizeof(kaddr)); 1270 kreadptr(kaddr, intrnames, inamlen); 1271 } 1272 } else { 1273 for (intrnames = NULL, inamlen = 1024; ; inamlen *= 2) { 1274 if ((intrnames = reallocf(intrnames, inamlen)) == NULL) 1275 xo_err(1, "reallocf()"); 1276 if (mysysctl("hw.intrnames", intrnames, &inamlen) == 0) 1277 break; 1278 } 1279 } 1280 1281 /* Determine the length of the longest interrupt name */ 1282 intrname = intrnames; 1283 istrnamlen = strlen("interrupt"); 1284 while (intrname < intrnames + inamlen) { 1285 clen = strlen(intrname); 1286 if (clen > istrnamlen) 1287 istrnamlen = clen; 1288 intrname += strlen(intrname) + 1; 1289 } 1290 xo_emit("{T:/%-*s} {T:/%20s} {T:/%10s}\n", 1291 (int)istrnamlen, "interrupt", "total", "rate"); 1292 1293 /* 1294 * Loop reps times printing differential interrupt counts. If reps is 1295 * zero, then run just once, printing total counts 1296 */ 1297 xo_open_container("interrupt-statistics"); 1298 1299 period_ms = uptime / 1000000; 1300 while(1) { 1301 nintr = read_intrcnts(&intrcnts); 1302 /* 1303 * Initialize old_intrcnts to 0 for the first pass, so 1304 * print_intrcnts will print total interrupts since boot 1305 */ 1306 if (old_intrcnts == NULL) { 1307 old_intrcnts = calloc(nintr, sizeof(unsigned long)); 1308 if (old_intrcnts == NULL) 1309 xo_err(1, "calloc()"); 1310 } 1311 1312 print_intrcnts(intrcnts, old_intrcnts, intrnames, nintr, 1313 istrnamlen, period_ms); 1314 xo_flush(); 1315 1316 free(old_intrcnts); 1317 old_intrcnts = intrcnts; 1318 if (reps >= 0 && --reps <= 0) 1319 break; 1320 usleep(interval * 1000); 1321 old_uptime = uptime; 1322 uptime = getuptime(); 1323 period_ms = (uptime - old_uptime) / 1000000; 1324 } 1325 1326 xo_close_container("interrupt-statistics"); 1327 } 1328 1329 static void 1330 domemstat_malloc(void) 1331 { 1332 struct memory_type_list *mtlp; 1333 struct memory_type *mtp; 1334 size_t i, zones; 1335 int error, first; 1336 1337 mtlp = memstat_mtl_alloc(); 1338 if (mtlp == NULL) { 1339 xo_warn("memstat_mtl_alloc"); 1340 return; 1341 } 1342 if (kd == NULL) { 1343 if (memstat_sysctl_malloc(mtlp, 0) < 0) { 1344 xo_warnx("memstat_sysctl_malloc: %s", 1345 memstat_strerror(memstat_mtl_geterror(mtlp))); 1346 return; 1347 } 1348 } else { 1349 if (memstat_kvm_malloc(mtlp, kd) < 0) { 1350 error = memstat_mtl_geterror(mtlp); 1351 if (error == MEMSTAT_ERROR_KVM) 1352 xo_warnx("memstat_kvm_malloc: %s", 1353 kvm_geterr(kd)); 1354 else 1355 xo_warnx("memstat_kvm_malloc: %s", 1356 memstat_strerror(error)); 1357 } 1358 } 1359 xo_open_container("malloc-statistics"); 1360 xo_emit("{T:/%16s} {T:/%4s} {T:/%5s} {T:/%3s} {T:Size(s)}\n", 1361 "Type", "Use", "Memory", "Req"); 1362 xo_open_list("memory"); 1363 zones = memstat_malloc_zone_get_count(); 1364 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1365 mtp = memstat_mtl_next(mtp)) { 1366 if (memstat_get_numallocs(mtp) == 0 && 1367 memstat_get_count(mtp) == 0) 1368 continue; 1369 xo_open_instance("memory"); 1370 xo_emit("{k:type/%16s/%s} " 1371 "{[:4}{h,hn-decimal,hn-1000:in-use/%ju}{]:} " 1372 "{[:5}{h,hn-decimal:memory-use/%ju}{]:} " 1373 "{[:4}{h,hn-decimal,hn-1000:requests/%ju}{]:} ", 1374 memstat_get_name(mtp), (uintmax_t)memstat_get_count(mtp), 1375 (uintmax_t)memstat_get_bytes(mtp), 1376 (uintmax_t)memstat_get_numallocs(mtp)); 1377 first = 1; 1378 xo_open_list("size"); 1379 for (i = 0; i < zones; i++) { 1380 if (memstat_malloc_zone_used(mtp, i)) { 1381 if (!first) 1382 xo_emit(","); 1383 xo_emit("{lh:size/%d}", memstat_malloc_zone_get_size(i)); 1384 first = 0; 1385 } 1386 } 1387 xo_close_list("size"); 1388 xo_close_instance("memory"); 1389 xo_emit("\n"); 1390 } 1391 xo_close_list("memory"); 1392 xo_close_container("malloc-statistics"); 1393 memstat_mtl_free(mtlp); 1394 } 1395 1396 static void 1397 domemstat_zone(void) 1398 { 1399 struct memory_type_list *mtlp; 1400 struct memory_type *mtp; 1401 int error, len; 1402 1403 mtlp = memstat_mtl_alloc(); 1404 if (mtlp == NULL) { 1405 xo_warn("memstat_mtl_alloc"); 1406 return; 1407 } 1408 if (kd == NULL) { 1409 if (memstat_sysctl_uma(mtlp, 0) < 0) { 1410 xo_warnx("memstat_sysctl_uma: %s", 1411 memstat_strerror(memstat_mtl_geterror(mtlp))); 1412 return; 1413 } 1414 } else { 1415 if (memstat_kvm_uma(mtlp, kd) < 0) { 1416 error = memstat_mtl_geterror(mtlp); 1417 if (error == MEMSTAT_ERROR_KVM) 1418 xo_warnx("memstat_kvm_uma: %s", 1419 kvm_geterr(kd)); 1420 else 1421 xo_warnx("memstat_kvm_uma: %s", 1422 memstat_strerror(error)); 1423 } 1424 } 1425 xo_open_container("memory-zone-statistics"); 1426 xo_emit("{T:/%-19s} {T:/%7s} {T:/%7s} {T:/%8s} {T:/%8s} {T:/%8s} " 1427 "{T:/%4s} {T:/%4s} {T:/%4s}\n", "ITEM", "SIZE", 1428 "LIMIT", "USED", "FREE", "REQ", "FAIL", "SLEEP", "XDOM"); 1429 xo_open_list("zone"); 1430 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1431 mtp = memstat_mtl_next(mtp)) { 1432 len = strlen(memstat_get_name(mtp)); 1433 xo_open_instance("zone"); 1434 xo_emit("{k:name/%s}:{d:size/%*ju}{e:size/%ju}," 1435 "{:limit/%7ju},{:used/%8ju}," 1436 "{:free/%8ju},{:requests/%8ju}," 1437 "{:fail/%4ju},{:sleep/%4ju},{:xdomain/%4ju}\n", 1438 memstat_get_name(mtp), MAX(1, 26 - len), 1439 (uintmax_t)memstat_get_size(mtp), 1440 (uintmax_t)memstat_get_size(mtp), 1441 (uintmax_t)memstat_get_countlimit(mtp), 1442 (uintmax_t)memstat_get_count(mtp), 1443 (uintmax_t)memstat_get_free(mtp), 1444 (uintmax_t)memstat_get_numallocs(mtp), 1445 (uintmax_t)memstat_get_failures(mtp), 1446 (uintmax_t)memstat_get_sleeps(mtp), 1447 (uintmax_t)memstat_get_xdomain(mtp)); 1448 xo_close_instance("zone"); 1449 } 1450 memstat_mtl_free(mtlp); 1451 xo_close_list("zone"); 1452 xo_close_container("memory-zone-statistics"); 1453 } 1454 1455 static void 1456 display_object(struct kinfo_vmobject *kvo) 1457 { 1458 const char *str; 1459 1460 xo_open_instance("object"); 1461 xo_emit("{:resident/%5ju} ", (uintmax_t)kvo->kvo_resident); 1462 xo_emit("{:active/%5ju} ", (uintmax_t)kvo->kvo_active); 1463 xo_emit("{:inactive/%5ju} ", (uintmax_t)kvo->kvo_inactive); 1464 xo_emit("{:refcount/%3d} ", kvo->kvo_ref_count); 1465 xo_emit("{:shadowcount/%3d} ", kvo->kvo_shadow_count); 1466 1467 #define MEMATTR_STR(type, val) \ 1468 if (kvo->kvo_memattr == (type)) { \ 1469 str = (val); \ 1470 } else 1471 #ifdef VM_MEMATTR_UNCACHEABLE 1472 MEMATTR_STR(VM_MEMATTR_UNCACHEABLE, "UC") 1473 #endif 1474 #ifdef VM_MEMATTR_WRITE_COMBINING 1475 MEMATTR_STR(VM_MEMATTR_WRITE_COMBINING, "WC") 1476 #endif 1477 #ifdef VM_MEMATTR_WRITE_THROUGH 1478 MEMATTR_STR(VM_MEMATTR_WRITE_THROUGH, "WT") 1479 #endif 1480 #ifdef VM_MEMATTR_WRITE_PROTECTED 1481 MEMATTR_STR(VM_MEMATTR_WRITE_PROTECTED, "WP") 1482 #endif 1483 #ifdef VM_MEMATTR_WRITE_BACK 1484 MEMATTR_STR(VM_MEMATTR_WRITE_BACK, "WB") 1485 #endif 1486 #ifdef VM_MEMATTR_WEAK_UNCACHEABLE 1487 MEMATTR_STR(VM_MEMATTR_WEAK_UNCACHEABLE, "UC-") 1488 #endif 1489 #ifdef VM_MEMATTR_WB_WA 1490 MEMATTR_STR(VM_MEMATTR_WB_WA, "WB") 1491 #endif 1492 #ifdef VM_MEMATTR_NOCACHE 1493 MEMATTR_STR(VM_MEMATTR_NOCACHE, "NC") 1494 #endif 1495 #ifdef VM_MEMATTR_DEVICE 1496 MEMATTR_STR(VM_MEMATTR_DEVICE, "DEV") 1497 #endif 1498 #ifdef VM_MEMATTR_DEVICE_NP 1499 MEMATTR_STR(VM_MEMATTR_DEVICE, "NP") 1500 #endif 1501 #ifdef VM_MEMATTR_CACHEABLE 1502 MEMATTR_STR(VM_MEMATTR_CACHEABLE, "C") 1503 #endif 1504 #ifdef VM_MEMATTR_PREFETCHABLE 1505 MEMATTR_STR(VM_MEMATTR_PREFETCHABLE, "PRE") 1506 #endif 1507 { 1508 str = "??"; 1509 } 1510 #undef MEMATTR_STR 1511 xo_emit("{:attribute/%-3s} ", str); 1512 switch (kvo->kvo_type) { 1513 case KVME_TYPE_NONE: 1514 str = "--"; 1515 break; 1516 case KVME_TYPE_DEFAULT: 1517 str = "df"; 1518 break; 1519 case KVME_TYPE_VNODE: 1520 str = "vn"; 1521 break; 1522 case KVME_TYPE_SWAP: 1523 str = "sw"; 1524 break; 1525 case KVME_TYPE_DEVICE: 1526 str = "dv"; 1527 break; 1528 case KVME_TYPE_PHYS: 1529 str = "ph"; 1530 break; 1531 case KVME_TYPE_DEAD: 1532 str = "dd"; 1533 break; 1534 case KVME_TYPE_SG: 1535 str = "sg"; 1536 break; 1537 case KVME_TYPE_MGTDEVICE: 1538 str = "md"; 1539 break; 1540 case KVME_TYPE_UNKNOWN: 1541 default: 1542 str = "??"; 1543 break; 1544 } 1545 xo_emit("{:type/%-2s} ", str); 1546 if ((kvo->kvo_flags & KVMO_FLAG_SYSVSHM) != 0) 1547 xo_emit("{:sysvshm/sysvshm(%ju:%u)} ", 1548 (uintmax_t)kvo->kvo_vn_fileid, kvo->kvo_vn_fsid_freebsd11); 1549 if ((kvo->kvo_flags & KVMO_FLAG_POSIXSHM) != 0) 1550 xo_emit("{:posixshm/posixshm@/posixshm}"); 1551 xo_emit("{:path/%-s}\n", kvo->kvo_path); 1552 xo_close_instance("object"); 1553 } 1554 1555 static void 1556 doobjstat(void) 1557 { 1558 struct kinfo_vmobject *kvo; 1559 int cnt, i; 1560 1561 kvo = kinfo_getvmobject(&cnt); 1562 if (kvo == NULL) { 1563 xo_warn("Failed to fetch VM object list"); 1564 return; 1565 } 1566 xo_emit("{T:RES/%5s} {T:ACT/%5s} {T:INACT/%5s} {T:REF/%3s} {T:SHD/%3s} " 1567 "{T:CM/%3s} {T:TP/%2s} {T:PATH/%s}\n"); 1568 xo_open_list("object"); 1569 for (i = 0; i < cnt; i++) 1570 display_object(&kvo[i]); 1571 free(kvo); 1572 xo_close_list("object"); 1573 } 1574 1575 /* 1576 * kread reads something from the kernel, given its nlist index. 1577 */ 1578 static void 1579 kreado(int nlx, void *addr, size_t size, size_t offset) 1580 { 1581 const char *sym; 1582 1583 if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) { 1584 sym = namelist[nlx].n_name; 1585 if (*sym == '_') 1586 ++sym; 1587 xo_errx(1, "symbol %s not defined", sym); 1588 } 1589 if ((size_t)kvm_read(kd, namelist[nlx].n_value + offset, addr, 1590 size) != size) { 1591 sym = namelist[nlx].n_name; 1592 if (*sym == '_') 1593 ++sym; 1594 xo_errx(1, "%s: %s", sym, kvm_geterr(kd)); 1595 } 1596 } 1597 1598 static void 1599 kread(int nlx, void *addr, size_t size) 1600 { 1601 1602 kreado(nlx, addr, size, 0); 1603 } 1604 1605 static void 1606 kreadptr(uintptr_t addr, void *buf, size_t size) 1607 { 1608 1609 if ((size_t)kvm_read(kd, addr, buf, size) != size) 1610 xo_errx(1, "%s", kvm_geterr(kd)); 1611 } 1612 1613 static void __dead2 1614 usage(void) 1615 { 1616 xo_error("%s%s", 1617 "usage: vmstat [-afHhimoPsz] [-M core [-N system]] [-c count] [-n devs]\n", 1618 " [-p type,if,pass] [-w wait] [disks] [wait [count]]\n"); 1619 xo_finish(); 1620 exit(1); 1621 } 1622