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 <errno.h> 53 #include <inttypes.h> 54 #include <kvm.h> 55 #include <limits.h> 56 #include <memstat.h> 57 #include <nlist.h> 58 #include <paths.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.h> 62 #include <sysexits.h> 63 #include <time.h> 64 #include <unistd.h> 65 #include <libutil.h> 66 #include <libxo/xo.h> 67 68 #define VMSTAT_XO_VERSION "2" 69 70 static char da[] = "da"; 71 72 enum x_stats { X_SUM, X_HZ, X_STATHZ, X_NCHSTATS, X_INTRNAMES, X_SINTRNAMES, 73 X_INTRCNT, X_SINTRCNT, X_NINTRCNT }; 74 75 static struct nlist namelist[] = { 76 [X_SUM] = { .n_name = "_vm_cnt", }, 77 [X_HZ] = { .n_name = "_hz", }, 78 [X_STATHZ] = { .n_name = "_stathz", }, 79 [X_NCHSTATS] = { .n_name = "_nchstats", }, 80 [X_INTRNAMES] = { .n_name = "_intrnames", }, 81 [X_SINTRNAMES] = { .n_name = "_sintrnames", }, 82 [X_INTRCNT] = { .n_name = "_intrcnt", }, 83 [X_SINTRCNT] = { .n_name = "_sintrcnt", }, 84 [X_NINTRCNT] = { .n_name = "_nintrcnt", }, 85 { .n_name = NULL, }, 86 }; 87 88 static struct devstat_match *matches; 89 static struct device_selection *dev_select; 90 static struct statinfo cur, last; 91 static devstat_select_mode select_mode; 92 static size_t size_cp_times; 93 static long *cur_cp_times, *last_cp_times; 94 static long generation, select_generation; 95 static int hz, hdrcnt, maxshowdevs; 96 static int num_devices, num_devices_specified; 97 static int num_matches, num_selected, num_selections; 98 static char **specified_devices; 99 100 static struct __vmmeter { 101 uint64_t v_swtch; 102 uint64_t v_trap; 103 uint64_t v_syscall; 104 uint64_t v_intr; 105 uint64_t v_soft; 106 uint64_t v_vm_faults; 107 uint64_t v_io_faults; 108 uint64_t v_cow_faults; 109 uint64_t v_cow_optim; 110 uint64_t v_zfod; 111 uint64_t v_ozfod; 112 uint64_t v_swapin; 113 uint64_t v_swapout; 114 uint64_t v_swappgsin; 115 uint64_t v_swappgsout; 116 uint64_t v_vnodein; 117 uint64_t v_vnodeout; 118 uint64_t v_vnodepgsin; 119 uint64_t v_vnodepgsout; 120 uint64_t v_intrans; 121 uint64_t v_reactivated; 122 uint64_t v_pdwakeups; 123 uint64_t v_pdpages; 124 uint64_t v_pdshortfalls; 125 uint64_t v_dfree; 126 uint64_t v_pfree; 127 uint64_t v_tfree; 128 uint64_t v_forks; 129 uint64_t v_vforks; 130 uint64_t v_rforks; 131 uint64_t v_kthreads; 132 uint64_t v_forkpages; 133 uint64_t v_vforkpages; 134 uint64_t v_rforkpages; 135 uint64_t v_kthreadpages; 136 u_int v_page_size; 137 u_int v_page_count; 138 u_int v_free_reserved; 139 u_int v_free_target; 140 u_int v_free_min; 141 u_int v_free_count; 142 u_int v_wire_count; 143 u_long v_user_wire_count; 144 u_int v_nofree_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 if (xo_finish() < 0) 341 xo_err(EXIT_FAILURE, "stdout"); 342 exit(EXIT_FAILURE); 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 if (xo_finish() < 0) 390 xo_err(EXIT_FAILURE, "stdout"); 391 exit(EXIT_SUCCESS); 392 } 393 394 static int 395 mysysctl(const char *name, void *oldp, size_t *oldlenp) 396 { 397 int error; 398 399 error = sysctlbyname(name, oldp, oldlenp, NULL, 0); 400 if (error != 0 && errno != ENOMEM) 401 xo_err(1, "sysctl(%s)", name); 402 return (error); 403 } 404 405 static char ** 406 getdrivedata(char **argv) 407 { 408 409 if ((num_devices = devstat_getnumdevs(NULL)) < 0) 410 xo_errx(1, "%s", devstat_errbuf); 411 412 cur.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 413 last.dinfo = (struct devinfo *)calloc(1, sizeof(struct devinfo)); 414 415 if (devstat_getdevs(NULL, &cur) == -1) 416 xo_errx(1, "%s", devstat_errbuf); 417 418 num_devices = cur.dinfo->numdevs; 419 generation = cur.dinfo->generation; 420 421 specified_devices = malloc(sizeof(char *)); 422 for (num_devices_specified = 0; *argv; ++argv) { 423 if (isdigit(**argv)) 424 break; 425 num_devices_specified++; 426 specified_devices = reallocf(specified_devices, 427 sizeof(char *) * num_devices_specified); 428 if (specified_devices == NULL) { 429 xo_errx(1, "%s", "reallocf (specified_devices)"); 430 } 431 specified_devices[num_devices_specified - 1] = *argv; 432 } 433 dev_select = NULL; 434 435 if (nflag == 0 && maxshowdevs < num_devices_specified) 436 maxshowdevs = num_devices_specified; 437 438 /* 439 * People are generally only interested in disk statistics when 440 * they're running vmstat. So, that's what we're going to give 441 * them if they don't specify anything by default. We'll also give 442 * them any other random devices in the system so that we get to 443 * maxshowdevs devices, if that many devices exist. If the user 444 * specifies devices on the command line, either through a pattern 445 * match or by naming them explicitly, we will give the user only 446 * those devices. 447 */ 448 if ((num_devices_specified == 0) && (num_matches == 0)) { 449 if (devstat_buildmatch(da, &matches, &num_matches) != 0) 450 xo_errx(1, "%s", devstat_errbuf); 451 select_mode = DS_SELECT_ADD; 452 } else 453 select_mode = DS_SELECT_ONLY; 454 455 /* 456 * At this point, selectdevs will almost surely indicate that the 457 * device list has changed, so we don't look for return values of 0 458 * or 1. If we get back -1, though, there is an error. 459 */ 460 if (devstat_selectdevs(&dev_select, &num_selected, &num_selections, 461 &select_generation, generation, cur.dinfo->devices, 462 num_devices, matches, num_matches, specified_devices, 463 num_devices_specified, select_mode, 464 maxshowdevs, 0) == -1) 465 xo_errx(1, "%s", devstat_errbuf); 466 467 return(argv); 468 } 469 470 /* Return system uptime in nanoseconds */ 471 static long long 472 getuptime(void) 473 { 474 struct timespec sp; 475 476 (void)clock_gettime(CLOCK_UPTIME, &sp); 477 return((long long)sp.tv_sec * 1000000000LL + sp.tv_nsec); 478 } 479 480 static void 481 fill_vmmeter(struct __vmmeter *vmmp) 482 { 483 struct vmmeter vm_cnt; 484 size_t size; 485 486 if (kd != NULL) { 487 kread(X_SUM, &vm_cnt, sizeof(vm_cnt)); 488 #define GET_COUNTER(name) \ 489 vmmp->name = kvm_counter_u64_fetch(kd, (u_long)vm_cnt.name) 490 GET_COUNTER(v_swtch); 491 GET_COUNTER(v_trap); 492 GET_COUNTER(v_syscall); 493 GET_COUNTER(v_intr); 494 GET_COUNTER(v_soft); 495 GET_COUNTER(v_vm_faults); 496 GET_COUNTER(v_io_faults); 497 GET_COUNTER(v_cow_faults); 498 GET_COUNTER(v_cow_optim); 499 GET_COUNTER(v_zfod); 500 GET_COUNTER(v_ozfod); 501 GET_COUNTER(v_swapin); 502 GET_COUNTER(v_swapout); 503 GET_COUNTER(v_swappgsin); 504 GET_COUNTER(v_swappgsout); 505 GET_COUNTER(v_vnodein); 506 GET_COUNTER(v_vnodeout); 507 GET_COUNTER(v_vnodepgsin); 508 GET_COUNTER(v_vnodepgsout); 509 GET_COUNTER(v_intrans); 510 GET_COUNTER(v_tfree); 511 GET_COUNTER(v_forks); 512 GET_COUNTER(v_vforks); 513 GET_COUNTER(v_rforks); 514 GET_COUNTER(v_kthreads); 515 GET_COUNTER(v_forkpages); 516 GET_COUNTER(v_vforkpages); 517 GET_COUNTER(v_rforkpages); 518 GET_COUNTER(v_kthreadpages); 519 #undef GET_COUNTER 520 } else { 521 #define GET_VM_STATS(cat, name) do { \ 522 size = sizeof(vmmp->name); \ 523 mysysctl("vm.stats." #cat "." #name, &vmmp->name, &size); \ 524 } while (0) 525 /* sys */ 526 GET_VM_STATS(sys, v_swtch); 527 GET_VM_STATS(sys, v_trap); 528 GET_VM_STATS(sys, v_syscall); 529 GET_VM_STATS(sys, v_intr); 530 GET_VM_STATS(sys, v_soft); 531 532 /* vm */ 533 GET_VM_STATS(vm, v_vm_faults); 534 GET_VM_STATS(vm, v_io_faults); 535 GET_VM_STATS(vm, v_cow_faults); 536 GET_VM_STATS(vm, v_cow_optim); 537 GET_VM_STATS(vm, v_zfod); 538 GET_VM_STATS(vm, v_ozfod); 539 GET_VM_STATS(vm, v_swapin); 540 GET_VM_STATS(vm, v_swapout); 541 GET_VM_STATS(vm, v_swappgsin); 542 GET_VM_STATS(vm, v_swappgsout); 543 GET_VM_STATS(vm, v_vnodein); 544 GET_VM_STATS(vm, v_vnodeout); 545 GET_VM_STATS(vm, v_vnodepgsin); 546 GET_VM_STATS(vm, v_vnodepgsout); 547 GET_VM_STATS(vm, v_intrans); 548 GET_VM_STATS(vm, v_reactivated); 549 GET_VM_STATS(vm, v_pdwakeups); 550 GET_VM_STATS(vm, v_pdpages); 551 GET_VM_STATS(vm, v_pdshortfalls); 552 GET_VM_STATS(vm, v_dfree); 553 GET_VM_STATS(vm, v_pfree); 554 GET_VM_STATS(vm, v_tfree); 555 GET_VM_STATS(vm, v_page_size); 556 GET_VM_STATS(vm, v_page_count); 557 GET_VM_STATS(vm, v_free_reserved); 558 GET_VM_STATS(vm, v_free_target); 559 GET_VM_STATS(vm, v_free_min); 560 GET_VM_STATS(vm, v_free_count); 561 GET_VM_STATS(vm, v_wire_count); 562 GET_VM_STATS(vm, v_user_wire_count); 563 GET_VM_STATS(vm, v_nofree_count); 564 GET_VM_STATS(vm, v_active_count); 565 GET_VM_STATS(vm, v_inactive_target); 566 GET_VM_STATS(vm, v_inactive_count); 567 GET_VM_STATS(vm, v_laundry_count); 568 GET_VM_STATS(vm, v_pageout_free_min); 569 GET_VM_STATS(vm, v_interrupt_free_min); 570 /*GET_VM_STATS(vm, v_free_severe);*/ 571 GET_VM_STATS(vm, v_forks); 572 GET_VM_STATS(vm, v_vforks); 573 GET_VM_STATS(vm, v_rforks); 574 GET_VM_STATS(vm, v_kthreads); 575 GET_VM_STATS(vm, v_forkpages); 576 GET_VM_STATS(vm, v_vforkpages); 577 GET_VM_STATS(vm, v_rforkpages); 578 GET_VM_STATS(vm, v_kthreadpages); 579 #undef GET_VM_STATS 580 } 581 } 582 583 static void 584 fill_vmtotal(struct vmtotal *vmtp) 585 { 586 size_t size; 587 588 if (kd != NULL) { 589 /* XXX fill vmtp */ 590 xo_errx(1, "not implemented"); 591 } else { 592 size = sizeof(*vmtp); 593 mysysctl("vm.vmtotal", vmtp, &size); 594 if (size != sizeof(*vmtp)) 595 xo_errx(1, "vm.total size mismatch"); 596 } 597 } 598 599 /* Determine how many cpu columns, and what index they are in kern.cp_times */ 600 static void 601 getcpuinfo(u_long *maskp, int *maxidp) 602 { 603 long *times; 604 u_long mask; 605 size_t size; 606 int empty, i, j, maxcpu, maxid; 607 608 if (kd != NULL) 609 xo_errx(1, "not implemented"); 610 mask = 0; 611 size = sizeof(maxcpu); 612 mysysctl("kern.smp.maxcpus", &maxcpu, &size); 613 if (size != sizeof(maxcpu)) 614 xo_errx(1, "sysctl kern.smp.maxcpus"); 615 size = sizeof(long) * maxcpu * CPUSTATES; 616 times = malloc(size); 617 if (times == NULL) 618 xo_err(1, "malloc %zd bytes", size); 619 mysysctl("kern.cp_times", times, &size); 620 maxid = (size / CPUSTATES / sizeof(long)) - 1; 621 for (i = 0; i <= maxid; i++) { 622 empty = 1; 623 for (j = 0; empty && j < CPUSTATES; j++) { 624 if (times[i * CPUSTATES + j] != 0) 625 empty = 0; 626 } 627 if (!empty) 628 mask |= (1ul << i); 629 } 630 if (maskp) 631 *maskp = mask; 632 if (maxidp) 633 *maxidp = maxid; 634 } 635 636 static void 637 dovmstat(unsigned int interval, int reps) 638 { 639 struct clockinfo clockrate; 640 struct vmtotal total; 641 struct devinfo *tmp_dinfo; 642 u_long cpumask; 643 size_t size; 644 time_t uptime, halfuptime; 645 int maxid, rate_adj, retval; 646 647 uptime = getuptime() / 1000000000LL; 648 halfuptime = uptime / 2; 649 rate_adj = 1; 650 maxid = 0; 651 cpumask = 0; 652 653 /* 654 * If the user stops the program (control-Z) and then resumes it, 655 * print out the header again. 656 */ 657 (void)signal(SIGCONT, needhdr); 658 659 /* 660 * If our standard output is a tty, then install a SIGWINCH handler 661 * and set wresized so that our first iteration through the main 662 * vmstat loop will peek at the terminal's current rows to find out 663 * how many lines can fit in a screenful of output. 664 */ 665 if (isatty(fileno(stdout)) != 0) { 666 wresized = 1; 667 (void)signal(SIGWINCH, needresize); 668 } else { 669 wresized = 0; 670 winlines = VMSTAT_DEFAULT_LINES; 671 } 672 673 if (kd != NULL) { 674 if (namelist[X_STATHZ].n_type != 0 && 675 namelist[X_STATHZ].n_value != 0) 676 kread(X_STATHZ, &hz, sizeof(hz)); 677 if (!hz) 678 kread(X_HZ, &hz, sizeof(hz)); 679 } else { 680 size = sizeof(clockrate); 681 mysysctl("kern.clockrate", &clockrate, &size); 682 if (size != sizeof(clockrate)) 683 xo_errx(1, "clockrate size mismatch"); 684 hz = clockrate.hz; 685 } 686 687 if (Pflag) { 688 getcpuinfo(&cpumask, &maxid); 689 size_cp_times = sizeof(long) * (maxid + 1) * CPUSTATES; 690 cur_cp_times = calloc(1, size_cp_times); 691 last_cp_times = calloc(1, size_cp_times); 692 } 693 for (hdrcnt = 1;;) { 694 if (!--hdrcnt) 695 printhdr(maxid, cpumask); 696 if (kd != NULL) { 697 if (kvm_getcptime(kd, cur.cp_time) < 0) 698 xo_errx(1, "kvm_getcptime: %s", kvm_geterr(kd)); 699 } else { 700 size = sizeof(cur.cp_time); 701 mysysctl("kern.cp_time", &cur.cp_time, &size); 702 if (size != sizeof(cur.cp_time)) 703 xo_errx(1, "cp_time size mismatch"); 704 } 705 if (Pflag) { 706 size = size_cp_times; 707 mysysctl("kern.cp_times", cur_cp_times, &size); 708 if (size != size_cp_times) 709 xo_errx(1, "cp_times mismatch"); 710 } 711 712 tmp_dinfo = last.dinfo; 713 last.dinfo = cur.dinfo; 714 cur.dinfo = tmp_dinfo; 715 last.snap_time = cur.snap_time; 716 717 /* 718 * Here what we want to do is refresh our device stats. 719 * getdevs() returns 1 when the device list has changed. 720 * If the device list has changed, we want to go through 721 * the selection process again, in case a device that we 722 * were previously displaying has gone away. 723 */ 724 switch (devstat_getdevs(NULL, &cur)) { 725 case -1: 726 xo_errx(1, "%s", devstat_errbuf); 727 break; 728 case 1: 729 num_devices = cur.dinfo->numdevs; 730 generation = cur.dinfo->generation; 731 732 retval = devstat_selectdevs(&dev_select, &num_selected, 733 &num_selections, &select_generation, 734 generation, cur.dinfo->devices, 735 num_devices, matches, num_matches, 736 specified_devices, 737 num_devices_specified, select_mode, 738 maxshowdevs, 0); 739 switch (retval) { 740 case -1: 741 xo_errx(1, "%s", devstat_errbuf); 742 break; 743 case 1: 744 printhdr(maxid, cpumask); 745 break; 746 default: 747 break; 748 } 749 break; 750 default: 751 break; 752 } 753 754 fill_vmmeter(&sum); 755 fill_vmtotal(&total); 756 xo_open_container("processes"); 757 xo_emit("{:runnable/%2d} {:waiting/%2ld} " 758 "{:swapped-out/%2ld}", total.t_rq - 1, total.t_dw + 759 total.t_pw, total.t_sw); 760 xo_close_container("processes"); 761 xo_open_container("memory"); 762 #define rate(x) (unsigned long)(((x) * rate_adj + halfuptime) / uptime) 763 xo_emit(" {[:4}{h,hn-decimal:available-memory/%ju}{]:}", 764 (uintmax_t)total.t_avm * sum.v_page_size); 765 xo_emit(" {[:4}{h,hn-decimal:free-memory/%ju}{]:}", 766 (uintmax_t)total.t_free * sum.v_page_size); 767 xo_emit(" {[:4}{h,hn-decimal,hn-1000:total-page-faults/%lu}{]:} ", 768 rate(sum.v_vm_faults - osum.v_vm_faults)); 769 xo_close_container("memory"); 770 771 xo_open_container("paging-rates"); 772 xo_emit("{:page-reactivated/%3lu} ", 773 rate(sum.v_reactivated - osum.v_reactivated)); 774 xo_emit("{:paged-in/%3lu} ", 775 rate(sum.v_swapin + sum.v_vnodein - 776 (osum.v_swapin + osum.v_vnodein))); 777 xo_emit("{:paged-out/%3lu}", 778 rate(sum.v_swapout + sum.v_vnodeout - 779 (osum.v_swapout + osum.v_vnodeout))); 780 xo_emit(" {[:4}{h,hn-decimal,hn-1000:freed/%lu}{]:}", 781 rate(sum.v_tfree - osum.v_tfree)); 782 xo_emit(" {[:4}{h,hn-decimal,hn-1000:scanned/%lu}{]:}", 783 rate(sum.v_pdpages - osum.v_pdpages)); 784 xo_close_container("paging-rates"); 785 786 devstats(); 787 xo_open_container("fault-rates"); 788 xo_emit(" {[:4}{h,hn-decimal,hn-1000:interrupts/%lu}{]:}" 789 " {[:4}{h,hn-decimal,hn-1000:system-calls/%lu}{]:}" 790 " {[:4}{h,hn-decimal,hn-1000:context-switches/%lu}{]:}", 791 rate(sum.v_intr - osum.v_intr), 792 rate(sum.v_syscall - osum.v_syscall), 793 rate(sum.v_swtch - osum.v_swtch)); 794 xo_close_container("fault-rates"); 795 if (Pflag) 796 pcpustats(cpumask, maxid); 797 else 798 cpustats(); 799 xo_emit("\n"); 800 if (xo_flush() < 0) 801 xo_err(EXIT_FAILURE, "stdout"); 802 if (reps >= 0 && --reps <= 0) 803 break; 804 osum = sum; 805 uptime = interval; 806 rate_adj = 1000; 807 /* 808 * We round upward to avoid losing low-frequency events 809 * (i.e., >= 1 per interval but < 1 per millisecond). 810 */ 811 if (interval != 1) 812 halfuptime = (uptime + 1) / 2; 813 else 814 halfuptime = 0; 815 (void)usleep(interval * 1000); 816 } 817 } 818 819 static void 820 printhdr(int maxid, u_long cpumask) 821 { 822 int i, num_shown; 823 824 num_shown = MIN(num_selected, maxshowdevs); 825 xo_emit(" {T:procs} {T:memory} {T:/page%*s}", 19, ""); 826 if (num_shown > 1) 827 xo_emit(" {T:/disks %*s} ", num_shown * 5 - 7, ""); 828 else if (num_shown == 1) 829 xo_emit(" {T:disks} "); 830 xo_emit(" {T:faults} "); 831 if (Pflag) { 832 for (i = 0; i <= maxid; i++) { 833 if (cpumask & (1ul << i)) 834 xo_emit(" {T:/cpu%d} ", i); 835 } 836 xo_emit("\n"); 837 } else 838 xo_emit(" {T:cpu}\n"); 839 xo_emit(" {T:r} {T:b} {T:w} {T:avm} {T:fre} {T:flt} {T:re}" 840 " {T:pi} {T:po} {T:fr} {T:sr} "); 841 for (i = 0; i < num_devices; i++) 842 if ((dev_select[i].selected) && 843 (dev_select[i].selected <= maxshowdevs)) 844 xo_emit("{T:/%3.3s%d} ", dev_select[i].device_name, 845 dev_select[i].unit_number); 846 xo_emit(" {T:in} {T:sy} {T:cs}"); 847 if (Pflag) { 848 for (i = 0; i <= maxid; i++) { 849 if (cpumask & (1ul << i)) 850 xo_emit(" {T:us} {T:sy} {T:id}"); 851 } 852 xo_emit("\n"); 853 } else 854 xo_emit(" {T:us} {T:sy} {T:id}\n"); 855 if (wresized != 0) 856 doresize(); 857 hdrcnt = winlines; 858 } 859 860 /* 861 * Force a header to be prepended to the next output. 862 */ 863 static void 864 needhdr(int dummy __unused) 865 { 866 867 hdrcnt = 1; 868 } 869 870 /* 871 * When the terminal is resized, force an update of the maximum number of rows 872 * printed between each header repetition. Then force a new header to be 873 * prepended to the next output. 874 */ 875 void 876 needresize(int signo __unused) 877 { 878 879 wresized = 1; 880 hdrcnt = 1; 881 } 882 883 /* 884 * Update the global `winlines' count of terminal rows. 885 */ 886 void 887 doresize(void) 888 { 889 struct winsize w; 890 int status; 891 892 for (;;) { 893 status = ioctl(fileno(stdout), TIOCGWINSZ, &w); 894 if (status == -1 && errno == EINTR) 895 continue; 896 else if (status == -1) 897 xo_err(1, "ioctl"); 898 if (w.ws_row > 3) 899 winlines = w.ws_row - 3; 900 else 901 winlines = VMSTAT_DEFAULT_LINES; 902 break; 903 } 904 905 /* 906 * Inhibit doresize() calls until we are rescheduled by SIGWINCH. 907 */ 908 wresized = 0; 909 } 910 911 static long 912 pct(long top, long bot) 913 { 914 long ans; 915 916 if (bot == 0) 917 return(0); 918 ans = (quad_t)top * 100 / bot; 919 return (ans); 920 } 921 922 #define PCT(top, bot) pct((long)(top), (long)(bot)) 923 924 static void 925 dosum(void) 926 { 927 struct nchstats lnchstats; 928 size_t size; 929 long nchtotal; 930 931 fill_vmmeter(&sum); 932 xo_open_container("summary-statistics"); 933 xo_emit("{:context-switches/%9u} {N:cpu context switches}\n", 934 sum.v_swtch); 935 xo_emit("{:interrupts/%9u} {N:device interrupts}\n", 936 sum.v_intr); 937 xo_emit("{:software-interrupts/%9u} {N:software interrupts}\n", 938 sum.v_soft); 939 xo_emit("{:traps/%9u} {N:traps}\n", sum.v_trap); 940 xo_emit("{:system-calls/%9u} {N:system calls}\n", 941 sum.v_syscall); 942 xo_emit("{:kernel-threads/%9u} {N:kernel threads created}\n", 943 sum.v_kthreads); 944 xo_emit("{:forks/%9u} {N: fork() calls}\n", sum.v_forks); 945 xo_emit("{:vforks/%9u} {N:vfork() calls}\n", 946 sum.v_vforks); 947 xo_emit("{:rforks/%9u} {N:rfork() calls}\n", 948 sum.v_rforks); 949 xo_emit("{:swap-ins/%9u} {N:swap pager pageins}\n", 950 sum.v_swapin); 951 xo_emit("{:swap-in-pages/%9u} {N:swap pager pages paged in}\n", 952 sum.v_swappgsin); 953 xo_emit("{:swap-outs/%9u} {N:swap pager pageouts}\n", 954 sum.v_swapout); 955 xo_emit("{:swap-out-pages/%9u} {N:swap pager pages paged out}\n", 956 sum.v_swappgsout); 957 xo_emit("{:vnode-page-ins/%9u} {N:vnode pager pageins}\n", 958 sum.v_vnodein); 959 xo_emit("{:vnode-page-in-pages/%9u} {N:vnode pager pages paged in}\n", 960 sum.v_vnodepgsin); 961 xo_emit("{:vnode-page-outs/%9u} {N:vnode pager pageouts}\n", 962 sum.v_vnodeout); 963 xo_emit("{:vnode-page-out-pages/%9u} {N:vnode pager pages paged out}\n", 964 sum.v_vnodepgsout); 965 xo_emit("{:page-daemon-wakeups/%9u} {N:page daemon wakeups}\n", 966 sum.v_pdwakeups); 967 xo_emit("{:page-daemon-pages/%9u} {N:pages examined by the page " 968 "daemon}\n", sum.v_pdpages); 969 xo_emit("{:page-reclamation-shortfalls/%9u} {N:clean page reclamation " 970 "shortfalls}\n", sum.v_pdshortfalls); 971 xo_emit("{:reactivated/%9u} {N:pages reactivated by the page daemon}\n", 972 sum.v_reactivated); 973 xo_emit("{:copy-on-write-faults/%9u} {N:copy-on-write faults}\n", 974 sum.v_cow_faults); 975 xo_emit("{:copy-on-write-optimized-faults/%9u} {N:copy-on-write " 976 "optimized faults}\n", sum.v_cow_optim); 977 xo_emit("{:zero-fill-pages/%9u} {N:zero fill pages zeroed}\n", 978 sum.v_zfod); 979 xo_emit("{:zero-fill-prezeroed/%9u} {N:zero fill pages prezeroed}\n", 980 sum.v_ozfod); 981 xo_emit("{:intransit-blocking/%9u} {N:intransit blocking page faults}\n", 982 sum.v_intrans); 983 xo_emit("{:total-faults/%9u} {N:total VM faults taken}\n", 984 sum.v_vm_faults); 985 xo_emit("{:faults-requiring-io/%9u} {N:page faults requiring I\\/O}\n", 986 sum.v_io_faults); 987 xo_emit("{:faults-from-thread-creation/%9u} {N:pages affected by " 988 "kernel thread creation}\n", sum.v_kthreadpages); 989 xo_emit("{:faults-from-fork/%9u} {N:pages affected by fork}()\n", 990 sum.v_forkpages); 991 xo_emit("{:faults-from-vfork/%9u} {N:pages affected by vfork}()\n", 992 sum.v_vforkpages); 993 xo_emit("{:pages-rfork/%9u} {N:pages affected by rfork}()\n", 994 sum.v_rforkpages); 995 xo_emit("{:pages-freed/%9u} {N:pages freed}\n", 996 sum.v_tfree); 997 xo_emit("{:pages-freed-by-daemon/%9u} {N:pages freed by daemon}\n", 998 sum.v_dfree); 999 xo_emit("{:pages-freed-on-exit/%9u} {N:pages freed by exiting processes}\n", 1000 sum.v_pfree); 1001 xo_emit("{:active-pages/%9u} {N:pages active}\n", 1002 sum.v_active_count); 1003 xo_emit("{:inactive-pages/%9u} {N:pages inactive}\n", 1004 sum.v_inactive_count); 1005 xo_emit("{:laundry-pages/%9u} {N:pages in the laundry queue}\n", 1006 sum.v_laundry_count); 1007 xo_emit("{:wired-pages/%9u} {N:pages wired down}\n", 1008 sum.v_wire_count); 1009 xo_emit("{:virtual-user-wired-pages/%9lu} {N:virtual user pages wired " 1010 "down}\n", sum.v_user_wire_count); 1011 xo_emit("{:nofree-pages/%9u} {N:permanently allocated pages}\n", 1012 sum.v_nofree_count); 1013 xo_emit("{:free-pages/%9u} {N:pages free}\n", 1014 sum.v_free_count); 1015 xo_emit("{:bytes-per-page/%9u} {N:bytes per page}\n", sum.v_page_size); 1016 if (kd != NULL) { 1017 kread(X_NCHSTATS, &lnchstats, sizeof(lnchstats)); 1018 } else { 1019 size = sizeof(lnchstats); 1020 mysysctl("vfs.cache.nchstats", &lnchstats, &size); 1021 if (size != sizeof(lnchstats)) 1022 xo_errx(1, "vfs.cache.nchstats size mismatch"); 1023 } 1024 nchtotal = lnchstats.ncs_goodhits + lnchstats.ncs_neghits + 1025 lnchstats.ncs_badhits + lnchstats.ncs_falsehits + 1026 lnchstats.ncs_miss + lnchstats.ncs_long; 1027 xo_emit("{:total-name-lookups/%9ld} {N:total name lookups}\n", 1028 nchtotal); 1029 xo_emit("{P:/%9s} {N:cache hits} " 1030 "({:positive-cache-hits/%ld}% pos + " 1031 "{:negative-cache-hits/%ld}% {N:neg}) " 1032 "system {:cache-hit-percent/%ld}% per-directory\n", 1033 "", PCT(lnchstats.ncs_goodhits, nchtotal), 1034 PCT(lnchstats.ncs_neghits, nchtotal), 1035 PCT(lnchstats.ncs_pass2, nchtotal)); 1036 xo_emit("{P:/%9s} {L:deletions} {:deletions/%ld}%, " 1037 "{L:falsehits} {:false-hits/%ld}%, " 1038 "{L:toolong} {:too-long/%ld}%\n", "", 1039 PCT(lnchstats.ncs_badhits, nchtotal), 1040 PCT(lnchstats.ncs_falsehits, nchtotal), 1041 PCT(lnchstats.ncs_long, nchtotal)); 1042 xo_close_container("summary-statistics"); 1043 } 1044 1045 static void 1046 doforkst(void) 1047 { 1048 1049 fill_vmmeter(&sum); 1050 xo_open_container("fork-statistics"); 1051 xo_emit("{:fork/%u} {N:forks}, {:fork-pages/%u} {N:pages}, " 1052 "{L:average} {:fork-average/%.2f}\n", 1053 sum.v_forks, sum.v_forkpages, 1054 sum.v_forks == 0 ? 0.0 : 1055 (double)sum.v_forkpages / sum.v_forks); 1056 xo_emit("{:vfork/%u} {N:vforks}, {:vfork-pages/%u} {N:pages}, " 1057 "{L:average} {:vfork-average/%.2f}\n", 1058 sum.v_vforks, sum.v_vforkpages, 1059 sum.v_vforks == 0 ? 0.0 : 1060 (double)sum.v_vforkpages / sum.v_vforks); 1061 xo_emit("{:rfork/%u} {N:rforks}, {:rfork-pages/%u} {N:pages}, " 1062 "{L:average} {:rfork-average/%.2f}\n", 1063 sum.v_rforks, sum.v_rforkpages, 1064 sum.v_rforks == 0 ? 0.0 : 1065 (double)sum.v_rforkpages / sum.v_rforks); 1066 xo_close_container("fork-statistics"); 1067 } 1068 1069 static void 1070 devstats(void) 1071 { 1072 long double busy_seconds, transfers_per_second; 1073 long tmp; 1074 int di, dn, state; 1075 1076 for (state = 0; state < CPUSTATES; ++state) { 1077 tmp = cur.cp_time[state]; 1078 cur.cp_time[state] -= last.cp_time[state]; 1079 last.cp_time[state] = tmp; 1080 } 1081 1082 busy_seconds = cur.snap_time - last.snap_time; 1083 1084 xo_open_list("device"); 1085 for (dn = 0; dn < num_devices; dn++) { 1086 if (dev_select[dn].selected == 0 || 1087 dev_select[dn].selected > maxshowdevs) 1088 continue; 1089 1090 di = dev_select[dn].position; 1091 1092 if (devstat_compute_statistics(&cur.dinfo->devices[di], 1093 &last.dinfo->devices[di], busy_seconds, 1094 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 1095 DSM_NONE) != 0) 1096 xo_errx(1, "%s", devstat_errbuf); 1097 1098 xo_open_instance("device"); 1099 xo_emit("{ekq:name/%s%d}", 1100 dev_select[dn].device_name, 1101 dev_select[dn].unit_number); 1102 xo_emit("{[:5}{h,hn-decimal,hn-1000:transfers/%ju}{]:}", 1103 (uintmax_t)transfers_per_second); 1104 xo_close_instance("device"); 1105 } 1106 xo_close_list("device"); 1107 } 1108 1109 static void 1110 percent(const char *name, long pctv, int *over) 1111 { 1112 char fmt[64]; 1113 1114 snprintf(fmt, sizeof(fmt), " {:%s/%%%uld/%%ld}", name, 1115 (*over && pctv <= 9) ? 1 : 2); 1116 xo_emit(fmt, pctv); 1117 if (*over && pctv <= 9) 1118 (*over)--; 1119 else if (pctv >= 100) 1120 (*over)++; 1121 } 1122 1123 static void 1124 cpustats(void) 1125 { 1126 long total; 1127 int state, over; 1128 1129 total = 0; 1130 for (state = 0; state < CPUSTATES; ++state) 1131 total += cur.cp_time[state]; 1132 if (total == 0) 1133 total = 1; 1134 over = 0; 1135 xo_open_container("cpu-statistics"); 1136 percent("user", 100LL * (cur.cp_time[CP_USER] + cur.cp_time[CP_NICE]) / 1137 total, &over); 1138 percent("system", 100LL * (cur.cp_time[CP_SYS] + cur.cp_time[CP_INTR]) / 1139 total, &over); 1140 percent("idle", 100LL * cur.cp_time[CP_IDLE] / total, &over); 1141 xo_close_container("cpu-statistics"); 1142 } 1143 1144 static void 1145 pcpustats(u_long cpumask, int maxid) 1146 { 1147 long tmp, total; 1148 int i, state, over; 1149 1150 /* devstats does this for cp_time */ 1151 for (i = 0; i <= maxid; i++) { 1152 if ((cpumask & (1ul << i)) == 0) 1153 continue; 1154 for (state = 0; state < CPUSTATES; ++state) { 1155 tmp = cur_cp_times[i * CPUSTATES + state]; 1156 cur_cp_times[i * CPUSTATES + state] -= last_cp_times[i * 1157 CPUSTATES + state]; 1158 last_cp_times[i * CPUSTATES + state] = tmp; 1159 } 1160 } 1161 1162 over = 0; 1163 xo_open_list("cpu"); 1164 for (i = 0; i <= maxid; i++) { 1165 if ((cpumask & (1ul << i)) == 0) 1166 continue; 1167 xo_open_instance("cpu"); 1168 xo_emit("{ke:name/%d}", i); 1169 total = 0; 1170 for (state = 0; state < CPUSTATES; ++state) 1171 total += cur_cp_times[i * CPUSTATES + state]; 1172 if (total == 0) 1173 total = 1; 1174 percent("user", 1175 100LL * (cur_cp_times[i * CPUSTATES + CP_USER] + 1176 cur_cp_times[i * CPUSTATES + CP_NICE]) / total, &over); 1177 percent("system", 1178 100LL * (cur_cp_times[i * CPUSTATES + CP_SYS] + 1179 cur_cp_times[i * CPUSTATES + CP_INTR]) / total, &over); 1180 percent("idle", 1181 100LL * cur_cp_times[i * CPUSTATES + CP_IDLE] / total, 1182 &over); 1183 xo_close_instance("cpu"); 1184 } 1185 xo_close_list("cpu"); 1186 } 1187 1188 static unsigned int 1189 read_intrcnts(unsigned long **intrcnts) 1190 { 1191 size_t intrcntlen; 1192 uintptr_t kaddr; 1193 1194 if (kd != NULL) { 1195 kread(X_SINTRCNT, &intrcntlen, sizeof(intrcntlen)); 1196 if ((*intrcnts = malloc(intrcntlen)) == NULL) 1197 xo_err(1, "malloc()"); 1198 if (namelist[X_NINTRCNT].n_type == 0) 1199 kread(X_INTRCNT, *intrcnts, intrcntlen); 1200 else { 1201 kread(X_INTRCNT, &kaddr, sizeof(kaddr)); 1202 kreadptr(kaddr, *intrcnts, intrcntlen); 1203 } 1204 } else { 1205 for (*intrcnts = NULL, intrcntlen = 1024; ; intrcntlen *= 2) { 1206 *intrcnts = reallocf(*intrcnts, intrcntlen); 1207 if (*intrcnts == NULL) 1208 xo_err(1, "reallocf()"); 1209 if (mysysctl("hw.intrcnt", *intrcnts, &intrcntlen) == 0) 1210 break; 1211 } 1212 } 1213 1214 return (intrcntlen / sizeof(unsigned long)); 1215 } 1216 1217 static void 1218 print_intrcnts(unsigned long *intrcnts, unsigned long *old_intrcnts, 1219 char *intrnames, unsigned int nintr, size_t istrnamlen, long long period_ms) 1220 { 1221 uint64_t inttotal, old_inttotal, total_count, total_rate; 1222 unsigned long count, rate; 1223 unsigned int i; 1224 1225 inttotal = 0; 1226 old_inttotal = 0; 1227 xo_open_list("interrupt"); 1228 for (i = 0; i < nintr; i++) { 1229 if (intrnames[0] != '\0' && (*intrcnts != 0 || aflag)) { 1230 count = *intrcnts - *old_intrcnts; 1231 rate = ((uint64_t)count * 1000 + period_ms / 2) / period_ms; 1232 xo_open_instance("interrupt"); 1233 xo_emit("{d:name/%-*s}{ket:name/%s} " 1234 "{:total/%20lu} {:rate/%10lu}\n", 1235 (int)istrnamlen, intrnames, intrnames, count, rate); 1236 xo_close_instance("interrupt"); 1237 } 1238 intrnames += strlen(intrnames) + 1; 1239 inttotal += *intrcnts++; 1240 old_inttotal += *old_intrcnts++; 1241 } 1242 total_count = inttotal - old_inttotal; 1243 total_rate = (total_count * 1000 + period_ms / 2) / period_ms; 1244 xo_close_list("interrupt"); 1245 xo_emit("{L:/%-*s} {:total-interrupts/%20ju} " 1246 "{:total-rate/%10ju}\n", (int)istrnamlen, 1247 "Total", (uintmax_t)total_count, (uintmax_t)total_rate); 1248 } 1249 1250 static void 1251 dointr(unsigned int interval, int reps) 1252 { 1253 unsigned long *intrcnts, *old_intrcnts; 1254 char *intrname, *intrnames; 1255 long long period_ms, old_uptime, uptime; 1256 size_t clen, inamlen, istrnamlen; 1257 uintptr_t kaddr; 1258 unsigned int nintr; 1259 1260 old_intrcnts = NULL; 1261 uptime = getuptime(); 1262 1263 /* Get the names of each interrupt source */ 1264 if (kd != NULL) { 1265 kread(X_SINTRNAMES, &inamlen, sizeof(inamlen)); 1266 if ((intrnames = malloc(inamlen)) == NULL) 1267 xo_err(1, "malloc()"); 1268 if (namelist[X_NINTRCNT].n_type == 0) 1269 kread(X_INTRNAMES, intrnames, inamlen); 1270 else { 1271 kread(X_INTRNAMES, &kaddr, sizeof(kaddr)); 1272 kreadptr(kaddr, intrnames, inamlen); 1273 } 1274 } else { 1275 for (intrnames = NULL, inamlen = 1024; ; inamlen *= 2) { 1276 if ((intrnames = reallocf(intrnames, inamlen)) == NULL) 1277 xo_err(1, "reallocf()"); 1278 if (mysysctl("hw.intrnames", intrnames, &inamlen) == 0) 1279 break; 1280 } 1281 } 1282 1283 /* Determine the length of the longest interrupt name */ 1284 intrname = intrnames; 1285 istrnamlen = strlen("interrupt"); 1286 while (intrname < intrnames + inamlen) { 1287 clen = strlen(intrname); 1288 if (clen > istrnamlen) 1289 istrnamlen = clen; 1290 intrname += strlen(intrname) + 1; 1291 } 1292 xo_emit("{T:/%-*s} {T:/%20s} {T:/%10s}\n", 1293 (int)istrnamlen, "interrupt", "total", "rate"); 1294 1295 /* 1296 * Loop reps times printing differential interrupt counts. If reps is 1297 * zero, then run just once, printing total counts 1298 */ 1299 xo_open_container("interrupt-statistics"); 1300 1301 period_ms = uptime / 1000000; 1302 while(1) { 1303 nintr = read_intrcnts(&intrcnts); 1304 /* 1305 * Initialize old_intrcnts to 0 for the first pass, so 1306 * print_intrcnts will print total interrupts since boot 1307 */ 1308 if (old_intrcnts == NULL) { 1309 old_intrcnts = calloc(nintr, sizeof(unsigned long)); 1310 if (old_intrcnts == NULL) 1311 xo_err(1, "calloc()"); 1312 } 1313 1314 print_intrcnts(intrcnts, old_intrcnts, intrnames, nintr, 1315 istrnamlen, period_ms); 1316 if (xo_flush() < 0) 1317 xo_err(EXIT_FAILURE, "stdout"); 1318 1319 free(old_intrcnts); 1320 old_intrcnts = intrcnts; 1321 if (reps >= 0 && --reps <= 0) 1322 break; 1323 usleep(interval * 1000); 1324 old_uptime = uptime; 1325 uptime = getuptime(); 1326 period_ms = (uptime - old_uptime) / 1000000; 1327 } 1328 1329 xo_close_container("interrupt-statistics"); 1330 } 1331 1332 static void 1333 domemstat_malloc(void) 1334 { 1335 struct memory_type_list *mtlp; 1336 struct memory_type *mtp; 1337 size_t i, zones; 1338 int error, first; 1339 1340 mtlp = memstat_mtl_alloc(); 1341 if (mtlp == NULL) { 1342 xo_warn("memstat_mtl_alloc"); 1343 return; 1344 } 1345 if (kd == NULL) { 1346 if (memstat_sysctl_malloc(mtlp, 0) < 0) { 1347 xo_warnx("memstat_sysctl_malloc: %s", 1348 memstat_strerror(memstat_mtl_geterror(mtlp))); 1349 return; 1350 } 1351 } else { 1352 if (memstat_kvm_malloc(mtlp, kd) < 0) { 1353 error = memstat_mtl_geterror(mtlp); 1354 if (error == MEMSTAT_ERROR_KVM) 1355 xo_warnx("memstat_kvm_malloc: %s", 1356 kvm_geterr(kd)); 1357 else 1358 xo_warnx("memstat_kvm_malloc: %s", 1359 memstat_strerror(error)); 1360 } 1361 } 1362 xo_open_container("malloc-statistics"); 1363 xo_emit("{T:/%16s} {T:/%4s} {T:/%5s} {T:/%3s} {T:Size(s)}\n", 1364 "Type", "Use", "Memory", "Req"); 1365 xo_open_list("memory"); 1366 zones = memstat_malloc_zone_get_count(); 1367 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1368 mtp = memstat_mtl_next(mtp)) { 1369 if (memstat_get_numallocs(mtp) == 0 && 1370 memstat_get_count(mtp) == 0) 1371 continue; 1372 xo_open_instance("memory"); 1373 xo_emit("{k:type/%16s/%s} " 1374 "{[:4}{h,hn-decimal,hn-1000:in-use/%ju}{]:} " 1375 "{[:5}{h,hn-decimal:memory-use/%ju}{]:} " 1376 "{[:4}{h,hn-decimal,hn-1000:requests/%ju}{]:} ", 1377 memstat_get_name(mtp), (uintmax_t)memstat_get_count(mtp), 1378 (uintmax_t)memstat_get_bytes(mtp), 1379 (uintmax_t)memstat_get_numallocs(mtp)); 1380 first = 1; 1381 xo_open_list("size"); 1382 for (i = 0; i < zones; i++) { 1383 if (memstat_malloc_zone_used(mtp, i)) { 1384 if (!first) 1385 xo_emit(","); 1386 xo_emit("{lh:size/%d}", memstat_malloc_zone_get_size(i)); 1387 first = 0; 1388 } 1389 } 1390 xo_close_list("size"); 1391 xo_close_instance("memory"); 1392 xo_emit("\n"); 1393 } 1394 xo_close_list("memory"); 1395 xo_close_container("malloc-statistics"); 1396 memstat_mtl_free(mtlp); 1397 } 1398 1399 static void 1400 domemstat_zone(void) 1401 { 1402 struct memory_type_list *mtlp; 1403 struct memory_type *mtp; 1404 int error, len; 1405 1406 mtlp = memstat_mtl_alloc(); 1407 if (mtlp == NULL) { 1408 xo_warn("memstat_mtl_alloc"); 1409 return; 1410 } 1411 if (kd == NULL) { 1412 if (memstat_sysctl_uma(mtlp, 0) < 0) { 1413 xo_warnx("memstat_sysctl_uma: %s", 1414 memstat_strerror(memstat_mtl_geterror(mtlp))); 1415 return; 1416 } 1417 } else { 1418 if (memstat_kvm_uma(mtlp, kd) < 0) { 1419 error = memstat_mtl_geterror(mtlp); 1420 if (error == MEMSTAT_ERROR_KVM) 1421 xo_warnx("memstat_kvm_uma: %s", 1422 kvm_geterr(kd)); 1423 else 1424 xo_warnx("memstat_kvm_uma: %s", 1425 memstat_strerror(error)); 1426 } 1427 } 1428 xo_open_container("memory-zone-statistics"); 1429 xo_emit("{T:/%-19s} {T:/%7s} {T:/%7s} {T:/%8s} {T:/%8s} {T:/%8s} " 1430 "{T:/%4s} {T:/%4s} {T:/%4s}\n", "ITEM", "SIZE", 1431 "LIMIT", "USED", "FREE", "REQ", "FAIL", "SLEEP", "XDOM"); 1432 xo_open_list("zone"); 1433 for (mtp = memstat_mtl_first(mtlp); mtp != NULL; 1434 mtp = memstat_mtl_next(mtp)) { 1435 len = strlen(memstat_get_name(mtp)); 1436 xo_open_instance("zone"); 1437 xo_emit("{k:name/%s}:{d:size/%*ju}{e:size/%ju}," 1438 "{:limit/%7ju},{:used/%8ju}," 1439 "{:free/%8ju},{:requests/%8ju}," 1440 "{:fail/%4ju},{:sleep/%4ju},{:xdomain/%4ju}\n", 1441 memstat_get_name(mtp), MAX(1, 26 - len), 1442 (uintmax_t)memstat_get_size(mtp), 1443 (uintmax_t)memstat_get_size(mtp), 1444 (uintmax_t)memstat_get_countlimit(mtp), 1445 (uintmax_t)memstat_get_count(mtp), 1446 (uintmax_t)memstat_get_free(mtp), 1447 (uintmax_t)memstat_get_numallocs(mtp), 1448 (uintmax_t)memstat_get_failures(mtp), 1449 (uintmax_t)memstat_get_sleeps(mtp), 1450 (uintmax_t)memstat_get_xdomain(mtp)); 1451 xo_close_instance("zone"); 1452 } 1453 memstat_mtl_free(mtlp); 1454 xo_close_list("zone"); 1455 xo_close_container("memory-zone-statistics"); 1456 } 1457 1458 static void 1459 display_object(struct kinfo_vmobject *kvo) 1460 { 1461 const char *str; 1462 1463 xo_open_instance("object"); 1464 xo_emit("{:resident/%5ju} ", (uintmax_t)kvo->kvo_resident); 1465 xo_emit("{:active/%5ju} ", (uintmax_t)kvo->kvo_active); 1466 xo_emit("{:inactive/%5ju} ", (uintmax_t)kvo->kvo_inactive); 1467 xo_emit("{:laundry/%5ju} ", (uintmax_t)kvo->kvo_laundry); 1468 xo_emit("{:refcount/%3d} ", kvo->kvo_ref_count); 1469 xo_emit("{:shadowcount/%3d} ", kvo->kvo_shadow_count); 1470 1471 #define MEMATTR_STR(type, val) \ 1472 if (kvo->kvo_memattr == (type)) { \ 1473 str = (val); \ 1474 } else 1475 #ifdef VM_MEMATTR_UNCACHEABLE 1476 MEMATTR_STR(VM_MEMATTR_UNCACHEABLE, "UC") 1477 #endif 1478 #ifdef VM_MEMATTR_WRITE_COMBINING 1479 MEMATTR_STR(VM_MEMATTR_WRITE_COMBINING, "WC") 1480 #endif 1481 #ifdef VM_MEMATTR_WRITE_THROUGH 1482 MEMATTR_STR(VM_MEMATTR_WRITE_THROUGH, "WT") 1483 #endif 1484 #ifdef VM_MEMATTR_WRITE_PROTECTED 1485 MEMATTR_STR(VM_MEMATTR_WRITE_PROTECTED, "WP") 1486 #endif 1487 #ifdef VM_MEMATTR_WRITE_BACK 1488 MEMATTR_STR(VM_MEMATTR_WRITE_BACK, "WB") 1489 #endif 1490 #ifdef VM_MEMATTR_WEAK_UNCACHEABLE 1491 MEMATTR_STR(VM_MEMATTR_WEAK_UNCACHEABLE, "UC-") 1492 #endif 1493 #ifdef VM_MEMATTR_WB_WA 1494 MEMATTR_STR(VM_MEMATTR_WB_WA, "WB") 1495 #endif 1496 #ifdef VM_MEMATTR_NOCACHE 1497 MEMATTR_STR(VM_MEMATTR_NOCACHE, "NC") 1498 #endif 1499 #ifdef VM_MEMATTR_DEVICE 1500 MEMATTR_STR(VM_MEMATTR_DEVICE, "DEV") 1501 #endif 1502 #ifdef VM_MEMATTR_DEVICE_NP 1503 MEMATTR_STR(VM_MEMATTR_DEVICE, "NP") 1504 #endif 1505 #ifdef VM_MEMATTR_CACHEABLE 1506 MEMATTR_STR(VM_MEMATTR_CACHEABLE, "C") 1507 #endif 1508 #ifdef VM_MEMATTR_PREFETCHABLE 1509 MEMATTR_STR(VM_MEMATTR_PREFETCHABLE, "PRE") 1510 #endif 1511 { 1512 str = "??"; 1513 } 1514 #undef MEMATTR_STR 1515 xo_emit("{:attribute/%-3s} ", str); 1516 switch (kvo->kvo_type) { 1517 case KVME_TYPE_NONE: 1518 str = "--"; 1519 break; 1520 case KVME_TYPE_DEFAULT: 1521 str = "df"; 1522 break; 1523 case KVME_TYPE_VNODE: 1524 str = "vn"; 1525 break; 1526 case KVME_TYPE_SWAP: 1527 str = "sw"; 1528 break; 1529 case KVME_TYPE_DEVICE: 1530 str = "dv"; 1531 break; 1532 case KVME_TYPE_PHYS: 1533 str = "ph"; 1534 break; 1535 case KVME_TYPE_DEAD: 1536 str = "dd"; 1537 break; 1538 case KVME_TYPE_SG: 1539 str = "sg"; 1540 break; 1541 case KVME_TYPE_MGTDEVICE: 1542 str = "md"; 1543 break; 1544 case KVME_TYPE_UNKNOWN: 1545 default: 1546 str = "??"; 1547 break; 1548 } 1549 xo_emit("{:type/%-2s} ", str); 1550 if ((kvo->kvo_flags & KVMO_FLAG_SYSVSHM) != 0) 1551 xo_emit("{:sysvshm/sysvshm(%ju:%u)} ", 1552 (uintmax_t)kvo->kvo_vn_fileid, kvo->kvo_vn_fsid_freebsd11); 1553 if ((kvo->kvo_flags & KVMO_FLAG_POSIXSHM) != 0) 1554 xo_emit("{:posixshm/posixshm@/posixshm}"); 1555 xo_emit("{:path/%-s}\n", kvo->kvo_path); 1556 xo_close_instance("object"); 1557 } 1558 1559 static void 1560 doobjstat(void) 1561 { 1562 struct kinfo_vmobject *kvo; 1563 int cnt, i; 1564 1565 kvo = kinfo_getvmobject(&cnt); 1566 if (kvo == NULL) { 1567 xo_warn("Failed to fetch VM object list"); 1568 return; 1569 } 1570 xo_emit("{T:RES/%5s} {T:ACT/%5s} {T:INACT/%5s} {T:LAUND/%5s} " 1571 "{T:REF/%3s} {T:SHD/%3s} {T:CM/%2s} {T:TP/%3s} {T:PATH/%s}\n"); 1572 xo_open_list("object"); 1573 for (i = 0; i < cnt; i++) 1574 display_object(&kvo[i]); 1575 free(kvo); 1576 xo_close_list("object"); 1577 } 1578 1579 /* 1580 * kread reads something from the kernel, given its nlist index. 1581 */ 1582 static void 1583 kreado(int nlx, void *addr, size_t size, size_t offset) 1584 { 1585 const char *sym; 1586 1587 if (namelist[nlx].n_type == 0 || namelist[nlx].n_value == 0) { 1588 sym = namelist[nlx].n_name; 1589 if (*sym == '_') 1590 ++sym; 1591 xo_errx(1, "symbol %s not defined", sym); 1592 } 1593 if ((size_t)kvm_read(kd, namelist[nlx].n_value + offset, addr, 1594 size) != size) { 1595 sym = namelist[nlx].n_name; 1596 if (*sym == '_') 1597 ++sym; 1598 xo_errx(1, "%s: %s", sym, kvm_geterr(kd)); 1599 } 1600 } 1601 1602 static void 1603 kread(int nlx, void *addr, size_t size) 1604 { 1605 1606 kreado(nlx, addr, size, 0); 1607 } 1608 1609 static void 1610 kreadptr(uintptr_t addr, void *buf, size_t size) 1611 { 1612 1613 if ((size_t)kvm_read(kd, addr, buf, size) != size) 1614 xo_errx(1, "%s", kvm_geterr(kd)); 1615 } 1616 1617 static void __dead2 1618 usage(void) 1619 { 1620 xo_error("%s%s", 1621 "usage: vmstat [-afHhimoPsz] [-M core [-N system]] [-c count] [-n devs]\n", 1622 " [-p type,if,pass] [-w wait] [disks] [wait [count]]\n"); 1623 if (xo_finish() < 0) 1624 xo_err(EXIT_FAILURE, "stdout"); 1625 exit(EXIT_FAILURE); 1626 } 1627