1 /* $NetBSD: vmstat.c,v 1.61 2005/08/07 12:32:38 blymn 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 1.61 2005/08/07 12:32:38 blymn Exp $"); 38 #endif /* not lint */ 39 40 /* 41 * Cursed vmstat -- from Robert Elz. 42 */ 43 44 #include <sys/param.h> 45 #include <sys/user.h> 46 #include <sys/namei.h> 47 #include <sys/sysctl.h> 48 #include <sys/device.h> 49 50 #include <uvm/uvm_extern.h> 51 52 #include <stdlib.h> 53 #include <string.h> 54 #include <util.h> 55 56 #include "systat.h" 57 #include "extern.h" 58 #include "dkstats.h" 59 #include "tpstats.h" 60 #include "utmpentry.h" 61 62 static struct Info { 63 struct uvmexp_sysctl uvmexp; 64 struct vmtotal Total; 65 struct nchstats nchstats; 66 long nchcount; 67 long *intrcnt; 68 u_int64_t *evcnt; 69 } s, s1, s2, z; 70 71 #define cnt s.Cnt 72 #define oldcnt s1.Cnt 73 #define total s.Total 74 #define nchtotal s.nchstats 75 #define oldnchtotal s1.nchstats 76 77 static enum state { BOOT, TIME, RUN } state = TIME; 78 79 static void allocinfo(struct Info *); 80 static void copyinfo(struct Info *, struct Info *); 81 static float cputime(int); 82 static void dinfo(int, int, int); 83 static void tinfo(int, int, int); 84 static void getinfo(struct Info *, enum state); 85 static void putint(int, int, int, int); 86 static void putfloat(double, int, int, int, int, int); 87 static int ucount(void); 88 89 static char buf[26]; 90 static u_int64_t temp; 91 static double etime; 92 static float hertz; 93 static int nintr; 94 static long *intrloc; 95 static char **intrname; 96 static int nextintsrow; 97 static int disk_horiz = 1; 98 99 WINDOW * 100 openvmstat(void) 101 { 102 return (stdscr); 103 } 104 105 void 106 closevmstat(WINDOW *w) 107 { 108 109 if (w == NULL) 110 return; 111 wclear(w); 112 wrefresh(w); 113 } 114 115 116 static struct nlist namelist[] = { 117 #define X_NCHSTATS 0 118 { "_nchstats" }, 119 #define X_INTRNAMES 1 120 { "_intrnames" }, 121 #define X_EINTRNAMES 2 122 { "_eintrnames" }, 123 #define X_INTRCNT 3 124 { "_intrcnt" }, 125 #define X_EINTRCNT 4 126 { "_eintrcnt" }, 127 #define X_ALLEVENTS 5 128 { "_allevents" }, 129 { NULL } 130 }; 131 132 /* 133 * These constants define where the major pieces are laid out 134 */ 135 #define STATROW 0 /* uses 1 row and 68 cols */ 136 #define STATCOL 2 137 #define MEMROW 9 /* uses 4 rows and 31 cols */ 138 #define MEMCOL 0 139 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 140 #define PAGECOL 54 141 #define INTSROW 9 /* uses all rows to bottom and 17 cols */ 142 #define INTSCOL 40 143 #define INTSCOLEND (VMSTATCOL - 0) 144 #define PROCSROW 2 /* uses 2 rows and 20 cols */ 145 #define PROCSCOL 0 146 #define GENSTATROW 2 /* uses 2 rows and 30 cols */ 147 #define GENSTATCOL 17 148 #define VMSTATROW 7 /* uses 17 rows and 15 cols */ 149 #define VMSTATCOL 64 150 #define GRAPHROW 5 /* uses 3 rows and 51 cols */ 151 #define GRAPHCOL 0 152 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 153 #define NAMEICOL 0 154 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 155 #define DISKCOL 0 156 #define DISKCOLWIDTH 6 157 #define DISKCOLEND INTSCOL 158 159 typedef struct intr_evcnt intr_evcnt_t; 160 struct intr_evcnt { 161 char *ie_group; 162 char *ie_name; 163 u_int64_t *ie_count; /* kernel address... */ 164 int ie_loc; /* screen row */ 165 } *ie_head; 166 int nevcnt; 167 168 static void 169 get_interrupt_events(void) 170 { 171 struct evcntlist allevents; 172 struct evcnt evcnt, *evptr; 173 intr_evcnt_t *ie; 174 intr_evcnt_t *n; 175 176 if (!NREAD(X_ALLEVENTS, &allevents, sizeof allevents)) 177 return; 178 evptr = TAILQ_FIRST(&allevents); 179 for (; evptr != NULL; evptr = TAILQ_NEXT(&evcnt, ev_list)) { 180 if (!KREAD(evptr, &evcnt, sizeof evcnt)) 181 return; 182 if (evcnt.ev_type != EVCNT_TYPE_INTR) 183 continue; 184 n = realloc(ie_head, sizeof *ie * (nevcnt + 1)); 185 if (n == NULL) { 186 error("realloc failed"); 187 die(0); 188 } 189 ie_head = n; 190 ie = ie_head + nevcnt; 191 ie->ie_group = malloc(evcnt.ev_grouplen + 1); 192 ie->ie_name = malloc(evcnt.ev_namelen + 1); 193 if (ie->ie_group == NULL || ie->ie_name == NULL) 194 return; 195 if (!KREAD(evcnt.ev_group, ie->ie_group, evcnt.ev_grouplen + 1)) 196 return; 197 if (!KREAD(evcnt.ev_name, ie->ie_name, evcnt.ev_namelen + 1)) 198 return; 199 ie->ie_count = &evptr->ev_count; 200 ie->ie_loc = 0; 201 nevcnt++; 202 } 203 } 204 205 int 206 initvmstat(void) 207 { 208 char *intrnamebuf, *cp; 209 int i; 210 211 if (namelist[0].n_type == 0) { 212 if (kvm_nlist(kd, namelist) && 213 (namelist[X_NCHSTATS].n_type == 0 || 214 namelist[X_ALLEVENTS].n_type == 0)) { 215 nlisterr(namelist); 216 return(0); 217 } 218 if (namelist[0].n_type == 0) { 219 error("No namelist"); 220 return(0); 221 } 222 } 223 hertz = stathz ? stathz : hz; 224 if (!dkinit(1)) 225 return(0); 226 if (!tpinit(1)) 227 return(0); 228 229 /* Old style interrupt counts - deprecated */ 230 nintr = (namelist[X_EINTRCNT].n_value - 231 namelist[X_INTRCNT].n_value) / sizeof (long); 232 if (nintr) { 233 intrloc = calloc(nintr, sizeof (long)); 234 intrname = calloc(nintr, sizeof (long)); 235 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value - 236 namelist[X_INTRNAMES].n_value); 237 if (intrnamebuf == NULL || intrname == 0 || intrloc == 0) { 238 error("Out of memory\n"); 239 if (intrnamebuf) 240 free(intrnamebuf); 241 if (intrname) 242 free(intrname); 243 if (intrloc) 244 free(intrloc); 245 nintr = 0; 246 return(0); 247 } 248 NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) - 249 NVAL(X_INTRNAMES)); 250 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 251 intrname[i] = cp; 252 cp += strlen(cp) + 1; 253 } 254 } 255 256 /* event counter interrupt counts */ 257 get_interrupt_events(); 258 259 nextintsrow = INTSROW + 1; 260 allocinfo(&s); 261 allocinfo(&s1); 262 allocinfo(&s2); 263 allocinfo(&z); 264 265 getinfo(&s2, RUN); 266 copyinfo(&s2, &s1); 267 return(1); 268 } 269 270 void 271 fetchvmstat(void) 272 { 273 time_t now; 274 275 time(&now); 276 strlcpy(buf, ctime(&now), sizeof(buf)); 277 buf[19] = '\0'; 278 getinfo(&s, state); 279 } 280 281 static void 282 print_ie_title(int i) 283 { 284 int width, name_width, group_width; 285 286 width = INTSCOLEND - (INTSCOL + 9); 287 if (width <= 0) 288 return; 289 290 move(ie_head[i].ie_loc, INTSCOL + 9); 291 group_width = strlen(ie_head[i].ie_group); 292 name_width = strlen(ie_head[i].ie_name); 293 width -= group_width + 1 + name_width; 294 if (width < 0) { 295 /* 296 * Screen to narrow for full strings 297 * This is all rather horrid, in some cases there are a lot 298 * of events in the same group, and in others the event 299 * name is "intr". There are also names which need 7 or 8 300 * columns before they become meaningful. 301 * This is a bad compromise. 302 */ 303 width = -width; 304 group_width -= (width + 1) / 2; 305 name_width -= width / 2; 306 /* some have the 'useful' name "intr", display their group */ 307 if (strcasecmp(ie_head[i].ie_name, "intr") == 0) { 308 group_width += name_width + 1; 309 name_width = 0; 310 } else { 311 if (group_width <= 3 || name_width < 0) { 312 /* don't display group */ 313 name_width += group_width + 1; 314 group_width = 0; 315 } 316 } 317 } 318 319 if (group_width != 0) { 320 printw("%-.*s", group_width, ie_head[i].ie_group); 321 if (name_width != 0) 322 printw(" "); 323 } 324 if (name_width != 0) 325 printw("%-.*s", name_width, ie_head[i].ie_name); 326 } 327 328 void 329 labelvmstat(void) 330 { 331 int i; 332 333 clear(); 334 mvprintw(STATROW, STATCOL + 4, "users Load"); 335 mvprintw(MEMROW, MEMCOL, " memory totals (in kB)"); 336 mvprintw(MEMROW + 1, MEMCOL, " real virtual free"); 337 mvprintw(MEMROW + 2, MEMCOL, "Active"); 338 mvprintw(MEMROW + 3, MEMCOL, "All"); 339 340 mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING "); 341 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 342 mvprintw(PAGEROW + 2, PAGECOL, "ops"); 343 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 344 345 mvprintw(INTSROW, INTSCOL + 9, "Interrupts"); 346 347 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "forks"); 348 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "fkppw"); 349 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "fksvm"); 350 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "pwait"); 351 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "relck"); 352 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "rlkok"); 353 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "noram"); 354 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "ndcpy"); 355 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "fltcp"); 356 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "zfod"); 357 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "cow"); 358 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "fmin"); 359 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "ftarg"); 360 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "itarg"); 361 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "wired"); 362 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "pdfre"); 363 if (LINES - 1 > VMSTATROW + 16) 364 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "pdscn"); 365 366 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 367 368 mvprintw(GRAPHROW, GRAPHCOL, 369 " . %% Sy . %% Us . %% Ni . %% In . %% Id"); 370 mvprintw(PROCSROW, PROCSCOL, "Proc:r d s w"); 371 mvprintw(GRAPHROW + 1, GRAPHCOL, 372 "| | | | | | | | | | |"); 373 374 mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache"); 375 mvprintw(NAMEIROW + 1, NAMEICOL, 376 " Calls hits %% hits %%"); 377 mvprintw(DISKROW, DISKCOL, "Disks:"); 378 if (disk_horiz) { 379 mvprintw(DISKROW + 1, DISKCOL + 1, "seeks"); 380 mvprintw(DISKROW + 2, DISKCOL + 1, "xfers"); 381 mvprintw(DISKROW + 3, DISKCOL + 1, "bytes"); 382 mvprintw(DISKROW + 4, DISKCOL + 1, "%%busy"); 383 } else { 384 mvprintw(DISKROW, DISKCOL + 1 + 1 * DISKCOLWIDTH, "seeks"); 385 mvprintw(DISKROW, DISKCOL + 1 + 2 * DISKCOLWIDTH, "xfers"); 386 mvprintw(DISKROW, DISKCOL + 1 + 3 * DISKCOLWIDTH, "bytes"); 387 mvprintw(DISKROW, DISKCOL + 1 + 4 * DISKCOLWIDTH, "%%busy"); 388 } 389 for (i = 0; i < nintr; i++) { 390 if (intrloc[i] == 0) 391 continue; 392 mvprintw(intrloc[i], INTSCOL + 9, "%-.*s", 393 INTSCOLEND - (INTSCOL + 9), intrname[i]); 394 } 395 for (i = 0; i < nevcnt; i++) { 396 if (ie_head[i].ie_loc == 0) 397 continue; 398 print_ie_title(i); 399 } 400 } 401 402 #define X(fld) {temp=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=temp;} 403 #define Y(fld) {temp = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = temp;} 404 #define Z(fld) {temp = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 405 if(state == TIME) s1.nchstats.fld = temp;} 406 #define PUTRATE(fld, l, c, w) {Y(fld); putint((int)((float)s.fld/etime + 0.5), l, c, w);} 407 #define MAXFAIL 5 408 409 static char cpuchar[CPUSTATES] = { '=' , '>', '-', '%', ' ' }; 410 static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_INTR, CP_IDLE }; 411 412 void 413 showvmstat(void) 414 { 415 float f1, f2; 416 int psiz, inttotal; 417 int i, l, r, c; 418 static int failcnt = 0; 419 static int relabel = 0; 420 static int last_disks = 0; 421 static char pigs[] = "pigs"; 422 423 if (relabel) { 424 labelvmstat(); 425 relabel = 0; 426 } 427 428 if (state == TIME) { 429 dkswap(); 430 tpswap(); 431 etime = cur.cp_etime; 432 /* < 5 ticks - ignore this trash */ 433 if ((etime * hertz) < 1.0) { 434 if (failcnt++ > MAXFAIL) 435 return; 436 clear(); 437 mvprintw(2, 10, "The alternate system clock has died!"); 438 mvprintw(3, 10, "Reverting to ``pigs'' display."); 439 move(CMDLINE, 0); 440 refresh(); 441 failcnt = 0; 442 sleep(5); 443 command(pigs); 444 return; 445 } 446 } else 447 etime = 1.0; 448 449 failcnt = 0; 450 inttotal = 0; 451 for (i = 0; i < nintr; i++) { 452 if (s.intrcnt[i] == 0) 453 continue; 454 if (intrloc[i] == 0) { 455 if (nextintsrow == LINES) 456 continue; 457 intrloc[i] = nextintsrow++; 458 mvprintw(intrloc[i], INTSCOL + 9, "%-.*s", 459 INTSCOLEND - (INTSCOL + 9), intrname[i]); 460 } 461 X(intrcnt); 462 l = (int)((float)s.intrcnt[i]/etime + 0.5); 463 inttotal += l; 464 putint(l, intrloc[i], INTSCOL, 8); 465 } 466 for (i = 0; i < nevcnt; i++) { 467 if (s.evcnt[i] == 0) 468 continue; 469 if (ie_head[i].ie_loc == 0) { 470 if (nextintsrow == LINES) 471 continue; 472 ie_head[i].ie_loc = nextintsrow++; 473 print_ie_title(i); 474 } 475 X(evcnt); 476 l = (int)((float)s.evcnt[i]/etime + 0.5); 477 inttotal += l; 478 putint(l, ie_head[i].ie_loc, INTSCOL, 8); 479 } 480 putint(inttotal, INTSROW, INTSCOL, 8); 481 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 482 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); 483 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 484 nchtotal.ncs_miss + nchtotal.ncs_long; 485 if (state == TIME) 486 s1.nchcount = s.nchcount; 487 488 psiz = 0; 489 f2 = 0.0; 490 491 /* 492 * Last CPU state not calculated yet. 493 */ 494 for (c = 0; c < CPUSTATES; c++) { 495 i = cpuorder[c]; 496 f1 = cputime(i); 497 f2 += f1; 498 l = (int) ((f2 + 1.0) / 2.0) - psiz; 499 if (c == 0) 500 putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0); 501 else 502 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c + 1, 5, 1, 0); 503 mvhline(GRAPHROW + 2, psiz, cpuchar[c], l); 504 psiz += l; 505 } 506 507 putint(ucount(), STATROW, STATCOL, 3); 508 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 509 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 510 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 511 mvaddstr(STATROW, STATCOL + 53, buf); 512 #define pgtokb(pg) ((pg) * (s.uvmexp.pagesize / 1024)) 513 514 putint(pgtokb(s.uvmexp.active), MEMROW + 2, MEMCOL + 6, 8); 515 putint(pgtokb(s.uvmexp.active + s.uvmexp.swpginuse), /* XXX */ 516 MEMROW + 2, MEMCOL + 15, 8); 517 putint(pgtokb(s.uvmexp.npages - s.uvmexp.free), MEMROW + 3, MEMCOL + 6, 8); 518 putint(pgtokb(s.uvmexp.npages - s.uvmexp.free + s.uvmexp.swpginuse), 519 MEMROW + 3, MEMCOL + 15, 8); 520 putint(pgtokb(s.uvmexp.free), MEMROW + 2, MEMCOL + 24, 8); 521 putint(pgtokb(s.uvmexp.free + s.uvmexp.swpages - s.uvmexp.swpginuse), 522 MEMROW + 3, MEMCOL + 24, 8); 523 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 524 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3); 525 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3); 526 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3); 527 PUTRATE(uvmexp.forks, VMSTATROW + 0, VMSTATCOL + 3, 6); 528 PUTRATE(uvmexp.forks_ppwait, VMSTATROW + 1, VMSTATCOL + 3, 6); 529 PUTRATE(uvmexp.forks_sharevm, VMSTATROW + 2, VMSTATCOL + 3, 6); 530 PUTRATE(uvmexp.fltpgwait, VMSTATROW + 3, VMSTATCOL + 4, 5); 531 PUTRATE(uvmexp.fltrelck, VMSTATROW + 4, VMSTATCOL + 3, 6); 532 PUTRATE(uvmexp.fltrelckok, VMSTATROW + 5, VMSTATCOL + 3, 6); 533 PUTRATE(uvmexp.fltnoram, VMSTATROW + 6, VMSTATCOL + 3, 6); 534 PUTRATE(uvmexp.fltamcopy, VMSTATROW + 7, VMSTATCOL + 3, 6); 535 PUTRATE(uvmexp.flt_prcopy, VMSTATROW + 8, VMSTATCOL + 3, 6); 536 PUTRATE(uvmexp.flt_przero, VMSTATROW + 9, VMSTATCOL + 3, 6); 537 PUTRATE(uvmexp.flt_acow, VMSTATROW + 10, VMSTATCOL, 9); 538 putint(s.uvmexp.freemin, VMSTATROW + 11, VMSTATCOL, 9); 539 putint(s.uvmexp.freetarg, VMSTATROW + 12, VMSTATCOL, 9); 540 putint(s.uvmexp.inactarg, VMSTATROW + 13, VMSTATCOL, 9); 541 putint(s.uvmexp.wired, VMSTATROW + 14, VMSTATCOL, 9); 542 PUTRATE(uvmexp.pdfreed, VMSTATROW + 15, VMSTATCOL, 9); 543 if (LINES - 1 > VMSTATROW + 16) 544 PUTRATE(uvmexp.pdscans, VMSTATROW + 16, VMSTATCOL, 9); 545 546 PUTRATE(uvmexp.pageins, PAGEROW + 2, PAGECOL + 5, 5); 547 PUTRATE(uvmexp.pdpageouts, PAGEROW + 2, PAGECOL + 10, 5); 548 PUTRATE(uvmexp.swapins, PAGEROW + 2, PAGECOL + 15, 5); 549 PUTRATE(uvmexp.swapouts, PAGEROW + 2, PAGECOL + 20, 5); 550 PUTRATE(uvmexp.pgswapin, PAGEROW + 3, PAGECOL + 5, 5); 551 PUTRATE(uvmexp.pgswapout, PAGEROW + 3, PAGECOL + 10, 5); 552 553 PUTRATE(uvmexp.swtch, GENSTATROW + 1, GENSTATCOL, 5); 554 PUTRATE(uvmexp.traps, GENSTATROW + 1, GENSTATCOL + 5, 6); 555 PUTRATE(uvmexp.syscalls, GENSTATROW + 1, GENSTATCOL + 11, 6); 556 PUTRATE(uvmexp.intrs, GENSTATROW + 1, GENSTATCOL + 17, 5); 557 PUTRATE(uvmexp.softs, GENSTATROW + 1, GENSTATCOL + 22, 5); 558 PUTRATE(uvmexp.faults, GENSTATROW + 1, GENSTATCOL + 27, 6); 559 for (l = 0, i = 0, r = DISKROW, c = DISKCOL; 560 i < (dk_ndrive + tp_ndrive); i++) { 561 if (i < dk_ndrive) { 562 if (!dk_select[i]) 563 continue; 564 } else { 565 if (!tp_select[i - dk_ndrive]) 566 continue; 567 } 568 569 if (disk_horiz) 570 c += DISKCOLWIDTH; 571 else 572 r++; 573 if (c + DISKCOLWIDTH > DISKCOLEND) { 574 if (disk_horiz && LINES - 1 - DISKROW > 575 (DISKCOLEND - DISKCOL) / DISKCOLWIDTH) { 576 disk_horiz = 0; 577 relabel = 1; 578 } 579 break; 580 } 581 if (r >= LINES - 1) { 582 if (!disk_horiz && LINES - 1 - DISKROW < 583 (DISKCOLEND - DISKCOL) / DISKCOLWIDTH) { 584 disk_horiz = 1; 585 relabel = 1; 586 } 587 break; 588 } 589 l++; 590 591 if (i < dk_ndrive) 592 dinfo(i, r, c); 593 else 594 tinfo(i - dk_ndrive, r, c); 595 } 596 /* blank out if we lost any disks */ 597 for (i = l; i < last_disks; i++) { 598 int j; 599 if (disk_horiz) 600 c += DISKCOLWIDTH; 601 else 602 r++; 603 for (j = 0; j < 5; j++) { 604 if (disk_horiz) 605 mvprintw(r+j, c, "%*s", DISKCOLWIDTH, ""); 606 else 607 mvprintw(r, c+j*DISKCOLWIDTH, "%*s", DISKCOLWIDTH, ""); 608 } 609 } 610 last_disks = l; 611 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 612 putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9); 613 #define nz(x) ((x) ? (x) : 1) 614 putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount), 615 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 616 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 617 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 618 NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1); 619 #undef nz 620 } 621 622 void 623 vmstat_boot(char *args) 624 { 625 copyinfo(&z, &s1); 626 state = BOOT; 627 } 628 629 void 630 vmstat_run(char *args) 631 { 632 copyinfo(&s1, &s2); 633 state = RUN; 634 } 635 636 void 637 vmstat_time(char *args) 638 { 639 state = TIME; 640 } 641 642 void 643 vmstat_zero(char *args) 644 { 645 if (state == RUN) 646 getinfo(&s1, RUN); 647 } 648 649 /* calculate number of users on the system */ 650 static int 651 ucount(void) 652 { 653 static int onusers = -1; 654 static struct utmpentry *oehead = NULL; 655 int nusers = 0; 656 struct utmpentry *ehead; 657 658 nusers = getutentries(NULL, &ehead); 659 if (oehead != ehead) { 660 freeutentries(oehead); 661 oehead = ehead; 662 } 663 664 if (nusers != onusers) { 665 if (nusers == 1) 666 mvprintw(STATROW, STATCOL + 8, " "); 667 else 668 mvprintw(STATROW, STATCOL + 8, "s"); 669 } 670 onusers = nusers; 671 return (nusers); 672 } 673 674 static float 675 cputime(int indx) 676 { 677 double t; 678 int i; 679 680 t = 0; 681 for (i = 0; i < CPUSTATES; i++) 682 t += cur.cp_time[i]; 683 if (t == 0.0) 684 t = 1.0; 685 return (cur.cp_time[indx] * 100.0 / t); 686 } 687 688 static void 689 puthumanint(u_int64_t n, int l, int c, int w) 690 { 691 char b[128]; 692 693 if (move(l, c) != OK) 694 return; 695 if (n == 0) { 696 hline(' ', w); 697 return; 698 } 699 if (humanize_number(b, w, n, "", HN_AUTOSCALE, HN_NOSPACE) == -1 ) { 700 hline('*', w); 701 return; 702 } 703 hline(' ', w - strlen(b)); 704 mvaddstr(l, c + w - strlen(b), b); 705 } 706 707 static void 708 putint(int n, int l, int c, int w) 709 { 710 char b[128]; 711 712 if (move(l, c) != OK) 713 return; 714 if (n == 0) { 715 hline(' ', w); 716 return; 717 } 718 (void)snprintf(b, sizeof b, "%*d", w, n); 719 if (strlen(b) > w) { 720 hline('*', w); 721 return; 722 } 723 addstr(b); 724 } 725 726 static void 727 putfloat(double f, int l, int c, int w, int d, int nz) 728 { 729 char b[128]; 730 731 if (move(l, c) != OK) 732 return; 733 if (nz && f == 0.0) { 734 hline(' ', w); 735 return; 736 } 737 (void)snprintf(b, sizeof b, "%*.*f", w, d, f); 738 if (strlen(b) > w) { 739 hline('*', w); 740 return; 741 } 742 addstr(b); 743 } 744 745 static void 746 getinfo(struct Info *stats, enum state st) 747 { 748 int mib[2]; 749 size_t size; 750 int i; 751 752 dkreadstats(); 753 tpreadstats(); 754 NREAD(X_NCHSTATS, &stats->nchstats, sizeof stats->nchstats); 755 if (nintr) 756 NREAD(X_INTRCNT, stats->intrcnt, nintr * LONG); 757 for (i = 0; i < nevcnt; i++) 758 KREAD(ie_head[i].ie_count, &stats->evcnt[i], 759 sizeof stats->evcnt[i]); 760 size = sizeof(stats->uvmexp); 761 mib[0] = CTL_VM; 762 mib[1] = VM_UVMEXP2; 763 if (sysctl(mib, 2, &stats->uvmexp, &size, NULL, 0) < 0) { 764 error("can't get uvmexp: %s\n", strerror(errno)); 765 memset(&stats->uvmexp, 0, sizeof(stats->uvmexp)); 766 } 767 size = sizeof(stats->Total); 768 mib[0] = CTL_VM; 769 mib[1] = VM_METER; 770 if (sysctl(mib, 2, &stats->Total, &size, NULL, 0) < 0) { 771 error("Can't get kernel info: %s\n", strerror(errno)); 772 memset(&stats->Total, 0, sizeof(stats->Total)); 773 } 774 } 775 776 static void 777 allocinfo(struct Info *stats) 778 { 779 780 if (nintr && 781 (stats->intrcnt = calloc(nintr, sizeof(long))) == NULL) { 782 error("calloc failed"); 783 die(0); 784 } 785 if ((stats->evcnt = calloc(nevcnt, sizeof(u_int64_t))) == NULL) { 786 error("calloc failed"); 787 die(0); 788 } 789 } 790 791 static void 792 copyinfo(struct Info *from, struct Info *to) 793 { 794 long *intrcnt; 795 u_int64_t *evcnt; 796 797 intrcnt = to->intrcnt; 798 evcnt = to->evcnt; 799 *to = *from; 800 memmove(to->intrcnt = intrcnt, from->intrcnt, nintr * sizeof *intrcnt); 801 memmove(to->evcnt = evcnt, from->evcnt, nevcnt * sizeof *evcnt); 802 } 803 804 static void 805 dinfo(int dn, int r, int c) 806 { 807 double atime; 808 #define ADV if (disk_horiz) r++; else c += DISKCOLWIDTH 809 810 mvprintw(r, c, "%*.*s", DISKCOLWIDTH, DISKCOLWIDTH, dr_name[dn]); 811 ADV; 812 813 putint((int)(cur.dk_seek[dn]/etime+0.5), r, c, DISKCOLWIDTH); 814 ADV; 815 putint((int)((cur.dk_rxfer[dn]+cur.dk_wxfer[dn])/etime+0.5), 816 r, c, DISKCOLWIDTH); 817 ADV; 818 puthumanint((cur.dk_rbytes[dn] + cur.dk_wbytes[dn]) / etime + 0.5, 819 r, c, DISKCOLWIDTH); 820 ADV; 821 822 /* time busy in disk activity */ 823 atime = cur.dk_time[dn].tv_sec + cur.dk_time[dn].tv_usec / 1000000.0; 824 atime = atime * 100.0 / etime; 825 if (atime >= 100) 826 putint(100, r, c, DISKCOLWIDTH); 827 else 828 putfloat(atime, r, c, DISKCOLWIDTH, 1, 1); 829 } 830 831 static void 832 tinfo(int dn, int r, int c) 833 { 834 double atime; 835 836 mvprintw(r, c, "%*.*s", DISKCOLWIDTH, DISKCOLWIDTH, tp_name[dn]); 837 ADV; 838 ADV; /* skip over the seeks column - not relevant for tape drives */ 839 840 putint((int)((cur_tape.rxfer[dn]+cur_tape.wxfer[dn])/etime+0.5), 841 r, c, DISKCOLWIDTH); 842 ADV; 843 puthumanint((cur_tape.rbytes[dn] + cur_tape.wbytes[dn]) / etime + 0.5, 844 r, c, DISKCOLWIDTH); 845 ADV; 846 847 /* time busy in disk activity */ 848 atime = cur_tape.time[dn].tv_sec + cur_tape.time[dn].tv_usec / 1000000.0; 849 atime = atime * 100.0 / etime; 850 if (atime >= 100) 851 putint(100, r, c, DISKCOLWIDTH); 852 else 853 putfloat(atime, r, c, DISKCOLWIDTH, 1, 1); 854 #undef ADV 855 } 856 857 858