1 /* $NetBSD: vmstat.c,v 1.92 2023/03/28 00:00:30 kre Exp $ */ 2 3 /*- 4 * Copyright (c) 1983, 1989, 1992, 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/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 36 #endif 37 __RCSID("$NetBSD: vmstat.c,v 1.92 2023/03/28 00:00:30 kre Exp $"); 38 #endif /* not lint */ 39 40 /* 41 * Cursed vmstat -- from Robert Elz. 42 */ 43 44 #include <sys/param.h> 45 #include <sys/uio.h> 46 #include <sys/namei.h> 47 #include <sys/sysctl.h> 48 #include <sys/evcnt.h> 49 50 #include <uvm/uvm_extern.h> 51 52 #include <errno.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include <util.h> 56 57 #include "systat.h" 58 #include "extern.h" 59 #include "drvstats.h" 60 #include "utmpentry.h" 61 #include "vmstat.h" 62 63 static struct Info { 64 struct uvmexp_sysctl uvmexp; 65 struct vmtotal Total; 66 struct nchstats nchstats; 67 long nchcount; 68 long *intrcnt; 69 u_int64_t *evcnt; 70 } s, s1, s2, z; 71 72 enum display_mode display_mode = TIME; 73 74 static void allocinfo(struct Info *); 75 static void copyinfo(struct Info *, struct Info *); 76 static float cputime(int); 77 static void dinfo(int, int, int); 78 static void getinfo(struct Info *); 79 static int ucount(void); 80 81 static char buf[26]; 82 static u_int64_t temp; 83 static int nintr; 84 static long *intrloc; 85 static char **intrname; 86 static int nextintsrow; 87 static int disk_horiz = 1; 88 static u_int nbuf; 89 90 WINDOW * 91 openvmstat(void) 92 { 93 return (stdscr); 94 } 95 96 void 97 closevmstat(WINDOW *w) 98 { 99 100 if (w == NULL) 101 return; 102 wclear(w); 103 wrefresh(w); 104 } 105 106 107 static struct nlist namelist[] = { 108 #define X_INTRNAMES 0 109 { .n_name = "_intrnames" }, 110 #define X_EINTRNAMES 1 111 { .n_name = "_eintrnames" }, 112 #define X_INTRCNT 2 113 { .n_name = "_intrcnt" }, 114 #define X_EINTRCNT 3 115 { .n_name = "_eintrcnt" }, 116 #define X_ALLEVENTS 4 117 { .n_name = "_allevents" }, 118 { .n_name = NULL } 119 }; 120 121 /* 122 * These constants define where the major pieces are laid out 123 */ 124 #define STATROW 0 /* uses 1 row and 68 cols */ 125 #define STATCOL 2 126 #define MEMROW 9 /* uses 5 rows and 31 cols */ 127 #define MEMCOL 0 128 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 129 #define PAGECOL 54 130 #define INTSROW 9 /* uses all rows to bottom and 17 cols */ 131 #define INTSCOL 40 132 #define INTSCOLEND (VMSTATCOL - 0) 133 #define PROCSROW 2 /* uses 2 rows and 20 cols */ 134 #define PROCSCOL 0 135 #define GENSTATROW 2 /* uses 2 rows and 30 cols */ 136 #define GENSTATCOL 17 137 #define VMSTATROW 7 /* uses 17 rows and 15 cols */ 138 #define VMSTATCOL 64 139 #define GRAPHROW 5 /* uses 3 rows and 51 cols */ 140 #define GRAPHCOL 0 141 #define NAMEIROW 15 /* uses 3 rows and 38 cols (must be MEMROW + 5 + 1) */ 142 #define NAMEICOL 0 143 #define DISKROW 19 /* uses 5 rows and 50 cols (for 9 drives) */ 144 #define DISKCOL 0 145 #define DISKCOLWIDTH 8 146 #define DISKCOLEND INTSCOL 147 148 typedef struct intr_evcnt intr_evcnt_t; 149 struct intr_evcnt { 150 char *ie_group; 151 char *ie_name; 152 u_int64_t *ie_count; /* kernel address... */ 153 int ie_loc; /* screen row */ 154 } *ie_head; 155 int nevcnt; 156 157 static void 158 get_interrupt_events(void) 159 { 160 struct evcntlist allevents; 161 struct evcnt evcnt, *evptr; 162 intr_evcnt_t *ie; 163 164 if (!NREAD(X_ALLEVENTS, &allevents, sizeof allevents)) 165 return; 166 evptr = TAILQ_FIRST(&allevents); 167 for (; evptr != NULL; evptr = TAILQ_NEXT(&evcnt, ev_list)) { 168 if (!KREAD(evptr, &evcnt, sizeof evcnt)) 169 return; 170 if (evcnt.ev_type != EVCNT_TYPE_INTR) 171 continue; 172 if (reallocarr(&ie_head, nevcnt + 1, sizeof(*ie)) != 0) { 173 error("realloc failed"); 174 die(0); 175 } 176 ie = ie_head + nevcnt; 177 ie->ie_group = malloc(evcnt.ev_grouplen + 1); 178 ie->ie_name = malloc(evcnt.ev_namelen + 1); 179 if (ie->ie_group == NULL || ie->ie_name == NULL) 180 return; 181 if (!KREAD(evcnt.ev_group, ie->ie_group, evcnt.ev_grouplen + 1)) 182 return; 183 if (!KREAD(evcnt.ev_name, ie->ie_name, evcnt.ev_namelen + 1)) 184 return; 185 ie->ie_count = &evptr->ev_count; 186 ie->ie_loc = 0; 187 nevcnt++; 188 } 189 } 190 191 int 192 initvmstat(void) 193 { 194 static char *intrnamebuf; 195 char *cp; 196 int i; 197 198 if (intrnamebuf) 199 free(intrnamebuf); 200 if (intrname) 201 free(intrname); 202 if (intrloc) 203 free(intrloc); 204 205 if (namelist[0].n_type == 0) { 206 if (kvm_nlist(kd, namelist) && 207 namelist[X_ALLEVENTS].n_type == 0) { 208 nlisterr(namelist); 209 return(0); 210 } 211 } 212 hertz = stathz ? stathz : hz; 213 if (!drvinit(1)) 214 return(0); 215 216 /* Old style interrupt counts - deprecated */ 217 nintr = (namelist[X_EINTRCNT].n_value - 218 namelist[X_INTRCNT].n_value) / sizeof (long); 219 if (nintr) { 220 intrloc = calloc(nintr, sizeof (long)); 221 intrname = calloc(nintr, sizeof (long)); 222 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value - 223 namelist[X_INTRNAMES].n_value); 224 if (intrnamebuf == NULL || intrname == 0 || intrloc == 0) { 225 error("Out of memory\n"); 226 nintr = 0; 227 return(0); 228 } 229 NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) - 230 NVAL(X_INTRNAMES)); 231 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 232 intrname[i] = cp; 233 cp += strlen(cp) + 1; 234 } 235 } 236 237 /* event counter interrupt counts */ 238 get_interrupt_events(); 239 240 nextintsrow = INTSROW + 1; 241 allocinfo(&s); 242 allocinfo(&s1); 243 allocinfo(&s2); 244 allocinfo(&z); 245 246 getinfo(&s2); 247 copyinfo(&s2, &s1); 248 return(1); 249 } 250 251 void 252 fetchvmstat(void) 253 { 254 time_t now; 255 256 time(&now); 257 strlcpy(buf, ctime(&now), sizeof(buf)); 258 buf[19] = '\0'; 259 getinfo(&s); 260 } 261 262 static void 263 print_ie_title(int i) 264 { 265 int width, name_width, group_width; 266 267 width = INTSCOLEND - (INTSCOL + 9); 268 if (width <= 0) 269 return; 270 271 move(ie_head[i].ie_loc, INTSCOL + 9); 272 group_width = strlen(ie_head[i].ie_group); 273 name_width = strlen(ie_head[i].ie_name); 274 width -= group_width + 1 + name_width; 275 if (width < 0) { 276 /* 277 * Screen to narrow for full strings 278 * This is all rather horrid, in some cases there are a lot 279 * of events in the same group, and in others the event 280 * name is "intr". There are also names which need 7 or 8 281 * columns before they become meaningful. 282 * This is a bad compromise. 283 */ 284 width = -width; 285 group_width -= (width + 1) / 2; 286 name_width -= width / 2; 287 /* some have the 'useful' name "intr", display their group */ 288 if (strcasecmp(ie_head[i].ie_name, "intr") == 0) { 289 group_width += name_width + 1; 290 name_width = 0; 291 } else { 292 if (group_width <= 3 || name_width < 0) { 293 /* don't display group */ 294 name_width += group_width + 1; 295 group_width = 0; 296 } 297 } 298 } 299 300 if (group_width != 0) { 301 printw("%-.*s", group_width, ie_head[i].ie_group); 302 if (name_width != 0) 303 printw(" "); 304 } 305 if (name_width != 0) 306 printw("%-.*s", name_width, ie_head[i].ie_name); 307 } 308 309 void 310 labelvmstat_top(void) 311 { 312 313 clear(); 314 315 mvprintw(STATROW, STATCOL + 4, "users Load"); 316 317 mvprintw(GENSTATROW, GENSTATCOL, " Csw Traps SysCal Intr Soft Fault"); 318 319 mvprintw(GRAPHROW, GRAPHCOL, 320 " . %% Sy . %% Us . %% Ni . %% In . %% Id"); 321 mvprintw(PROCSROW, PROCSCOL, "Proc:r d s"); 322 mvprintw(GRAPHROW + 1, GRAPHCOL, 323 "| | | | | | | | | | |"); 324 325 mvprintw(PAGEROW, PAGECOL + 8, "PAGING SWAPPING "); 326 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 327 mvprintw(PAGEROW + 2, PAGECOL, " ops "); 328 mvprintw(PAGEROW + 3, PAGECOL, "pages "); 329 } 330 331 void 332 labelvmstat(void) 333 { 334 int i; 335 336 /* Top few lines first */ 337 338 labelvmstat_top(); 339 340 /* Left hand column */ 341 342 mvprintw(MEMROW + 0, MEMCOL, "Anon %% zero "); 343 mvprintw(MEMROW + 1, MEMCOL, "Exec %% wired "); 344 mvprintw(MEMROW + 2, MEMCOL, "File %% inact "); 345 mvprintw(MEMROW + 3, MEMCOL, "Meta %% bufs "); 346 mvprintw(MEMROW + 4, MEMCOL, " (kB) real swaponly free"); 347 mvprintw(MEMROW + 5, MEMCOL, "Active "); 348 349 mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache"); 350 mvprintw(NAMEIROW + 1, NAMEICOL, 351 " Calls hits %% hits %%"); 352 353 mvprintw(DISKROW, DISKCOL, "%*s", DISKCOLWIDTH, "Disks:"); 354 if (disk_horiz) { 355 mvprintw(DISKROW + 1, DISKCOL + 1, "seeks"); 356 mvprintw(DISKROW + 2, DISKCOL + 1, "xfers"); 357 mvprintw(DISKROW + 3, DISKCOL + 1, "bytes"); 358 mvprintw(DISKROW + 4, DISKCOL + 1, "%%busy"); 359 } else { 360 mvprintw(DISKROW, DISKCOL + 1 * DISKCOLWIDTH, "%*s", DISKCOLWIDTH, "seeks"); 361 mvprintw(DISKROW, DISKCOL + 2 * DISKCOLWIDTH, "%*s", DISKCOLWIDTH, "xfers"); 362 mvprintw(DISKROW, DISKCOL + 3 * DISKCOLWIDTH, "%*s", DISKCOLWIDTH, "bytes"); 363 mvprintw(DISKROW, DISKCOL + 4 * DISKCOLWIDTH, "%*s", DISKCOLWIDTH, "%busy"); 364 } 365 366 /* Middle column */ 367 368 mvprintw(INTSROW, INTSCOL + 9, "Interrupts"); 369 for (i = 0; i < nintr; i++) { 370 if (intrloc[i] == 0) 371 continue; 372 mvprintw(intrloc[i], INTSCOL + 9, "%-.*s", 373 INTSCOLEND - (INTSCOL + 9), intrname[i]); 374 } 375 for (i = 0; i < nevcnt; i++) { 376 if (ie_head[i].ie_loc == 0) 377 continue; 378 print_ie_title(i); 379 } 380 381 /* Right hand column */ 382 383 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "forks"); 384 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "fkppw"); 385 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "fksvm"); 386 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "pwait"); 387 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "relck"); 388 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "rlkok"); 389 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "noram"); 390 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "ndcpy"); 391 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "fltcp"); 392 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "zfod"); 393 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "cow"); 394 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "fmin"); 395 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "ftarg"); 396 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "itarg"); 397 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "flnan"); 398 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "pdfre"); 399 400 if (LINES - 1 > VMSTATROW + 16) 401 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "pdscn"); 402 } 403 404 #define X(s, s1, fld) {temp = (s).fld[i]; (s).fld[i] -= (s1).fld[i]; \ 405 if (display_mode == TIME) (s1).fld[i] = temp;} 406 #define Z(s, s1, fld) {temp = (s).nchstats.fld; \ 407 (s).nchstats.fld -= (s1).nchstats.fld; \ 408 if (display_mode == TIME) (s1).nchstats.fld = temp;} 409 #define PUTRATE(s, s1, fld, l, c, w) \ 410 {temp = (s).fld; (s).fld -= (s1).fld; \ 411 if (display_mode == TIME) (s1).fld = temp; \ 412 putint((int)((float)(s).fld/etime + 0.5), l, c, w);} 413 414 static char cpuchar[CPUSTATES] = { '=' , '>', '-', '%', ' ' }; 415 static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_INTR, CP_IDLE }; 416 417 void 418 show_vmstat_top(vmtotal_t *Total, uvmexp_sysctl_t *uvm, uvmexp_sysctl_t *uvm1) 419 { 420 float f1, f2; 421 int psiz; 422 int i, l, c; 423 struct { 424 struct uvmexp_sysctl *uvmexp; 425 } us, us1; 426 427 us.uvmexp = uvm; 428 us1.uvmexp = uvm1; 429 430 putint(ucount(), STATROW, STATCOL, 3); 431 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 432 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 433 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 434 mvaddstr(STATROW, STATCOL + 53, buf); 435 436 putint(Total->t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 437 putint(Total->t_dw, PROCSROW + 1, PROCSCOL + 6, 3); 438 putint(Total->t_sl, PROCSROW + 1, PROCSCOL + 9, 3); 439 440 PUTRATE(us, us1, uvmexp->swtch, GENSTATROW + 1, GENSTATCOL - 1, 7); 441 PUTRATE(us, us1, uvmexp->traps, GENSTATROW + 1, GENSTATCOL + 7, 6); 442 PUTRATE(us, us1, uvmexp->syscalls, GENSTATROW + 1, GENSTATCOL + 14, 6); 443 PUTRATE(us, us1, uvmexp->intrs, GENSTATROW + 1, GENSTATCOL + 21, 5); 444 PUTRATE(us, us1, uvmexp->softs, GENSTATROW + 1, GENSTATCOL + 27, 6); 445 PUTRATE(us, us1, uvmexp->faults, GENSTATROW + 1, GENSTATCOL + 34, 6); 446 447 /* 448 * XXX it sure would be nice if this did what top(1) does and showed 449 * the utilization of each CPU on a separate line, though perhaps IFF 450 * the screen is tall enough 451 */ 452 /* Last CPU state not calculated yet. */ 453 for (f2 = 0.0, psiz = 0, c = 0; c < CPUSTATES; c++) { 454 i = cpuorder[c]; 455 f1 = cputime(i); 456 f2 += f1; 457 l = (int) ((f2 + 1.0) / 2.0) - psiz; 458 if (c == 0) 459 putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0); 460 else 461 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c + 1, 5, 1, 0); 462 mvhline(GRAPHROW + 2, psiz, cpuchar[c], l); 463 psiz += l; 464 } 465 466 PUTRATE(us, us1, uvmexp->pageins, PAGEROW + 2, PAGECOL + 5, 5); 467 PUTRATE(us, us1, uvmexp->pdpageouts, PAGEROW + 2, PAGECOL + 10, 5); 468 PUTRATE(us, us1, uvmexp->pgswapin, PAGEROW + 3, PAGECOL + 5, 5); 469 PUTRATE(us, us1, uvmexp->pgswapout, PAGEROW + 3, PAGECOL + 10, 5); 470 } 471 472 void 473 showvmstat(void) 474 { 475 int inttotal; 476 int i, l, r, c; 477 static int failcnt = 0; 478 static int relabel = 0; 479 static int last_disks = 0; 480 static u_long bufmem; 481 int mib[6]; 482 size_t size; 483 484 if (relabel) { 485 labelvmstat(); 486 relabel = 0; 487 } 488 489 cpuswap(); 490 if (display_mode == TIME) { 491 drvswap(); 492 if (toofast(&failcnt)) 493 return; 494 } else 495 etime = 1.0; 496 497 show_vmstat_top(&s.Total, &s.uvmexp, &s1.uvmexp); 498 499 /* Memory totals */ 500 #define pgtokb(pg) ((pg) * (s.uvmexp.pagesize / 1024)) 501 502 putint(pgtokb(s.uvmexp.anonpages), MEMROW + 0, MEMCOL + 7, 10); 503 putint((s.uvmexp.anonpages * 100 + 0.5) / s.uvmexp.npages, MEMROW + 0, MEMCOL + 17, 4); 504 505 putint(pgtokb(s.uvmexp.zeropages), MEMROW + 0, MEMCOL + 30, 8); 506 507 putint(pgtokb(s.uvmexp.execpages), MEMROW + 1, MEMCOL + 7, 10); 508 putint((s.uvmexp.execpages * 100 + 0.5) / s.uvmexp.npages, MEMROW + 1, MEMCOL + 17, 4); 509 510 putint(pgtokb(s.uvmexp.wired), MEMROW + 1, MEMCOL + 30, 8); 511 512 putint(pgtokb(s.uvmexp.filepages), MEMROW + 2, MEMCOL + 7, 10); 513 putint((s.uvmexp.filepages * 100 + 0.5) / s.uvmexp.npages, MEMROW + 2, MEMCOL + 17, 4); 514 515 putint(pgtokb(s.uvmexp.inactive), MEMROW + 2, MEMCOL + 30, 8); 516 517 /* Get total size of metadata buffers */ 518 size = sizeof(bufmem); 519 if (sysctlbyname("vm.bufmem", &bufmem, &size, NULL, 0) < 0) { 520 error("can't get buffers size: %s\n", strerror(errno)); 521 return; 522 } 523 524 /* Get number of metadata buffers */ 525 size = 0; 526 mib[0] = CTL_KERN; 527 mib[1] = KERN_BUF; 528 mib[2] = KERN_BUF_ALL; 529 mib[3] = KERN_BUF_ALL; 530 mib[4] = (int)sizeof(struct buf_sysctl); 531 mib[5] = INT_MAX; /* we want them all */ 532 if (sysctl(mib, 6, NULL, &size, NULL, 0) < 0) { 533 error("can't get buffers size: %s\n", strerror(errno)); 534 return; 535 } 536 if (size == 0) { 537 error("buffers size is zero: %s\n", strerror(errno)); 538 return; 539 } 540 nbuf = size / sizeof(struct buf_sysctl); 541 nbuf -= KERN_BUFSLOP; 542 543 putint((int) (bufmem / 1024), MEMROW + 3, MEMCOL + 5, 12); 544 putint((int) ((bufmem * 100) + 0.5) / s.uvmexp.pagesize / s.uvmexp.npages, 545 MEMROW + 3, MEMCOL + 17, 4); 546 putint(nbuf, MEMROW + 3, MEMCOL + 30, 8); 547 548 putint(pgtokb(s.uvmexp.active), MEMROW + 5, MEMCOL + 7, 10); 549 putint(pgtokb(s.uvmexp.swpgonly), MEMROW + 5, MEMCOL + 18, 10); 550 putint(pgtokb(s.uvmexp.free), MEMROW + 5, MEMCOL + 28, 10); 551 552 #undef pgtokb 553 554 /* Namei cache */ 555 Z(s, s1, ncs_goodhits); Z(s, s1, ncs_badhits); Z(s, s1, ncs_miss); 556 Z(s, s1, ncs_long); Z(s, s1, ncs_pass2); Z(s, s1, ncs_2passes); 557 s.nchcount = s.nchstats.ncs_goodhits + s.nchstats.ncs_badhits + 558 s.nchstats.ncs_miss + s.nchstats.ncs_long + 559 s.nchstats.ncs_pass2 + s.nchstats.ncs_2passes; 560 if (display_mode == TIME) 561 s1.nchcount = s.nchcount; 562 563 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 564 putint(s.nchstats.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9); 565 #define nz(x) ((x) ? (x) : 1) 566 putfloat(s.nchstats.ncs_goodhits * 100.0 / nz(s.nchcount), 567 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 568 putint(s.nchstats.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 569 putfloat(s.nchstats.ncs_pass2 * 100.0 / nz(s.nchcount), 570 NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1); 571 #undef nz 572 573 /* Disks */ 574 for (l = 0, i = 0, r = DISKROW, c = DISKCOL; 575 i < (int)ndrive; i++) { 576 if (!drv_select[i]) 577 continue; 578 579 if (disk_horiz) 580 c += DISKCOLWIDTH; 581 else 582 r++; 583 if (c + DISKCOLWIDTH > DISKCOLEND) { 584 if (disk_horiz && LINES - 1 - DISKROW > 585 (DISKCOLEND - DISKCOL) / DISKCOLWIDTH) { 586 disk_horiz = 0; 587 relabel = 1; 588 } 589 break; 590 } 591 if (r >= LINES - 1) { 592 if (!disk_horiz && LINES - 1 - DISKROW < 593 (DISKCOLEND - DISKCOL) / DISKCOLWIDTH) { 594 disk_horiz = 1; 595 relabel = 1; 596 } 597 break; 598 } 599 l++; 600 601 dinfo(i, r, c); 602 } 603 /* blank out if we lost any disks */ 604 for (i = l; i < last_disks; i++) { 605 int j; 606 if (disk_horiz) 607 c += DISKCOLWIDTH; 608 else 609 r++; 610 for (j = 0; j < 5; j++) { 611 if (disk_horiz) 612 mvprintw(r+j, c, "%*s", DISKCOLWIDTH, ""); 613 else 614 mvprintw(r, c+j*DISKCOLWIDTH, "%*s", DISKCOLWIDTH, ""); 615 } 616 } 617 last_disks = l; 618 619 /* Interrupts */ 620 failcnt = 0; 621 inttotal = 0; 622 for (i = 0; i < nintr; i++) { 623 if (s.intrcnt[i] == 0) 624 continue; 625 if (intrloc[i] == 0) { 626 if (nextintsrow == LINES) 627 continue; 628 intrloc[i] = nextintsrow++; 629 mvprintw(intrloc[i], INTSCOL + 9, "%-.*s", 630 INTSCOLEND - (INTSCOL + 9), intrname[i]); 631 } 632 X(s, s1, intrcnt); 633 l = (int)((float)s.intrcnt[i]/etime + 0.5); 634 inttotal += l; 635 putint(l, intrloc[i], INTSCOL, 8); 636 } 637 638 for (i = 0; i < nevcnt; i++) { 639 if (s.evcnt[i] == 0) 640 continue; 641 if (ie_head[i].ie_loc == 0) { 642 if (nextintsrow == LINES) 643 continue; 644 ie_head[i].ie_loc = nextintsrow++; 645 print_ie_title(i); 646 } 647 X(s, s1, evcnt); 648 l = (int)((float)s.evcnt[i]/etime + 0.5); 649 inttotal += l; 650 putint(l, ie_head[i].ie_loc, INTSCOL, 8); 651 } 652 putint(inttotal, INTSROW, INTSCOL, 8); 653 654 PUTRATE(s, s1, uvmexp.forks, VMSTATROW + 0, VMSTATCOL + 3, 6); 655 PUTRATE(s, s1, uvmexp.forks_ppwait, VMSTATROW + 1, VMSTATCOL + 3, 6); 656 PUTRATE(s, s1, uvmexp.forks_sharevm, VMSTATROW + 2, VMSTATCOL + 3, 6); 657 PUTRATE(s, s1, uvmexp.fltpgwait, VMSTATROW + 3, VMSTATCOL + 4, 5); 658 PUTRATE(s, s1, uvmexp.fltrelck, VMSTATROW + 4, VMSTATCOL + 3, 6); 659 PUTRATE(s, s1, uvmexp.fltrelckok, VMSTATROW + 5, VMSTATCOL + 3, 6); 660 PUTRATE(s, s1, uvmexp.fltnoram, VMSTATROW + 6, VMSTATCOL + 3, 6); 661 PUTRATE(s, s1, uvmexp.fltamcopy, VMSTATROW + 7, VMSTATCOL + 3, 6); 662 PUTRATE(s, s1, uvmexp.flt_prcopy, VMSTATROW + 8, VMSTATCOL + 3, 6); 663 PUTRATE(s, s1, uvmexp.flt_przero, VMSTATROW + 9, VMSTATCOL + 3, 6); 664 PUTRATE(s, s1, uvmexp.flt_acow, VMSTATROW + 10, VMSTATCOL, 9); 665 putint(s.uvmexp.freemin, VMSTATROW + 11, VMSTATCOL, 9); 666 putint(s.uvmexp.freetarg, VMSTATROW + 12, VMSTATCOL, 9); 667 putint(s.uvmexp.inactarg, VMSTATROW + 13, VMSTATCOL, 9); 668 putint(s.uvmexp.fltnoanon, VMSTATROW + 14, VMSTATCOL, 9); 669 PUTRATE(s, s1, uvmexp.pdfreed, VMSTATROW + 15, VMSTATCOL, 9); 670 if (LINES - 1 > VMSTATROW + 16) 671 PUTRATE(s, s1, uvmexp.pdscans, VMSTATROW + 16, VMSTATCOL, 9); 672 673 } 674 675 void 676 vmstat_boot(char *args) 677 { 678 copyinfo(&z, &s1); 679 display_mode = BOOT; 680 } 681 682 void 683 vmstat_run(char *args) 684 { 685 copyinfo(&s1, &s2); 686 display_mode = RUN; 687 } 688 689 void 690 vmstat_time(char *args) 691 { 692 display_mode = TIME; 693 } 694 695 void 696 vmstat_zero(char *args) 697 { 698 if (display_mode == RUN) 699 getinfo(&s1); 700 } 701 702 /* calculate number of users on the system */ 703 static int 704 ucount(void) 705 { 706 int nusers = 0; 707 struct utmpentry *ehead; 708 709 nusers = getutentries(NULL, &ehead); 710 711 if (nusers == 1) 712 mvprintw(STATROW, STATCOL + 8, " "); 713 else 714 mvprintw(STATROW, STATCOL + 8, "s"); 715 716 return (nusers); 717 } 718 719 static float 720 cputime(int indx) 721 { 722 double t; 723 int i; 724 725 t = 0; 726 for (i = 0; i < CPUSTATES; i++) 727 t += cur.cp_time[i]; 728 if (t == 0.0) 729 t = 1.0; 730 return (cur.cp_time[indx] * 100.0 / t); 731 } 732 733 void 734 puthumanint_scale(u_int64_t n, int l, int c, int w, int scale) 735 { 736 char b[128]; 737 738 if (move(l, c) != OK) 739 return; 740 if (n == 0 && !showzero) { 741 hline(' ', w); 742 return; 743 } 744 if (humanize_number(b, w, n, "", scale, HN_NOSPACE) == -1 ) { 745 hline('*', w); 746 return; 747 } 748 printw("%*s", w, b); 749 } 750 751 void 752 puthumanint_sticky(u_int64_t n, int l, int c, int w, int *scale) 753 { 754 char b[128]; 755 int sc; 756 757 sc = humanize_number(b, w, n, "", HN_GETSCALE, HN_NOSPACE); 758 if (sc > *scale) 759 *scale = sc; 760 else 761 sc = *scale; 762 763 puthumanint_scale(n, l, c, w, sc); 764 } 765 766 void 767 puthumanint(u_int64_t n, int l, int c, int w) 768 { 769 770 puthumanint_scale(n, l, c, w, HN_AUTOSCALE); 771 } 772 773 void 774 putint(int n, int l, int c, int w) 775 { 776 char b[128]; 777 778 if (move(l, c) != OK) 779 return; 780 if (n == 0 && !showzero) { 781 hline(' ', w); 782 return; 783 } 784 (void)snprintf(b, sizeof b, "%*d", w, n); 785 if ((int)strlen(b) > w) { 786 if (display_mode == TIME) 787 hline('*', w); 788 else 789 puthumanint(n, l, c, w); 790 return; 791 } 792 addstr(b); 793 } 794 795 void 796 putfloat(double f, int l, int c, int w, int d, int nz) 797 { 798 char b[128]; 799 800 if (move(l, c) != OK) 801 return; 802 if (nz && f == 0.0 && !showzero) { 803 hline(' ', w); 804 return; 805 } 806 (void)snprintf(b, sizeof b, "%*.*f", w, d, f); 807 if ((int)strlen(b) > w) { 808 hline('*', w); 809 return; 810 } 811 addstr(b); 812 } 813 814 static void 815 getinfo(struct Info *stats) 816 { 817 int mib[2]; 818 size_t size; 819 int i; 820 821 cpureadstats(); 822 drvreadstats(); 823 size = sizeof(stats->nchstats); 824 if (sysctlbyname("vfs.namecache_stats", &stats->nchstats, &size, 825 NULL, 0) < 0) { 826 error("can't get namecache statistics: %s\n", strerror(errno)); 827 memset(&stats->nchstats, 0, sizeof(stats->nchstats)); 828 } 829 if (nintr) 830 NREAD(X_INTRCNT, stats->intrcnt, nintr * sizeof(long)); 831 for (i = 0; i < nevcnt; i++) 832 KREAD(ie_head[i].ie_count, &stats->evcnt[i], 833 sizeof stats->evcnt[i]); 834 size = sizeof(stats->uvmexp); 835 mib[0] = CTL_VM; 836 mib[1] = VM_UVMEXP2; 837 if (sysctl(mib, 2, &stats->uvmexp, &size, NULL, 0) < 0) { 838 error("can't get uvmexp: %s\n", strerror(errno)); 839 memset(&stats->uvmexp, 0, sizeof(stats->uvmexp)); 840 } 841 size = sizeof(stats->Total); 842 mib[0] = CTL_VM; 843 mib[1] = VM_METER; 844 if (sysctl(mib, 2, &stats->Total, &size, NULL, 0) < 0) { 845 error("Can't get kernel info: %s\n", strerror(errno)); 846 memset(&stats->Total, 0, sizeof(stats->Total)); 847 } 848 } 849 850 static void 851 allocinfo(struct Info *stats) 852 { 853 854 if (nintr && 855 (stats->intrcnt = calloc(nintr, sizeof(long))) == NULL) { 856 error("calloc failed"); 857 die(0); 858 } 859 if ((stats->evcnt = calloc(nevcnt, sizeof(u_int64_t))) == NULL) { 860 error("calloc failed"); 861 die(0); 862 } 863 } 864 865 static void 866 copyinfo(struct Info *from, struct Info *to) 867 { 868 long *intrcnt; 869 u_int64_t *evcnt; 870 871 intrcnt = to->intrcnt; 872 evcnt = to->evcnt; 873 *to = *from; 874 memmove(to->intrcnt = intrcnt, from->intrcnt, nintr * sizeof *intrcnt); 875 memmove(to->evcnt = evcnt, from->evcnt, nevcnt * sizeof *evcnt); 876 } 877 878 static void 879 dinfo(int dn, int r, int c) 880 { 881 double atime, dtime; 882 #define ADV if (disk_horiz) r++; else c += DISKCOLWIDTH 883 884 /* elapsed time for disk stats */ 885 dtime = etime; 886 if (cur.timestamp[dn].tv_sec || cur.timestamp[dn].tv_usec) { 887 dtime = (double)cur.timestamp[dn].tv_sec + 888 ((double)cur.timestamp[dn].tv_usec / (double)1000000); 889 } 890 891 mvprintw(r, c, "%*.*s", DISKCOLWIDTH, DISKCOLWIDTH, dr_name[dn]); 892 ADV; 893 894 putint((int)(cur.seek[dn]/dtime+0.5), r, c, DISKCOLWIDTH); 895 ADV; 896 putint((int)((cur.rxfer[dn]+cur.wxfer[dn])/dtime+0.5), 897 r, c, DISKCOLWIDTH); 898 ADV; 899 puthumanint_sticky((cur.rbytes[dn] + cur.wbytes[dn]) / dtime + 0.5, 900 r, c, DISKCOLWIDTH, &cur.scale[dn]); 901 ADV; 902 903 /* time busy in disk activity */ 904 atime = cur.time[dn].tv_sec + cur.time[dn].tv_usec / 1000000.0; 905 atime = atime * 100.0 / dtime; 906 if (atime >= 100) 907 putint(100, r, c, DISKCOLWIDTH); 908 else 909 putfloat(atime, r, c, DISKCOLWIDTH, 1, 1); 910 } 911
Indexes created Sat Sep 20 22:09:52 GMT 2025