1 /*- 2 * Copyright (c) 1983, 1989, 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)vmstat.c 8.2 (Berkeley) 1/12/94 34 * $FreeBSD: src/usr.bin/systat/vmstat.c,v 1.38.2.4 2002/03/12 19:50:23 phantom Exp $ 35 * $DragonFly: src/usr.bin/systat/vmstat.c,v 1.8 2004/12/22 11:01:49 joerg Exp $ 36 */ 37 38 /* 39 * Cursed vmstat -- from Robert Elz. 40 */ 41 42 #define _KERNEL_STRUCTURES 43 #include <sys/param.h> 44 #include <sys/stat.h> 45 #include <sys/time.h> 46 #include <sys/user.h> 47 #include <sys/uio.h> 48 #include <sys/namei.h> 49 #include <sys/sysctl.h> 50 #include <sys/vmmeter.h> 51 52 #include <vm/vm_param.h> 53 54 #include <ctype.h> 55 #include <err.h> 56 #include <errno.h> 57 #include <kinfo.h> 58 #include <langinfo.h> 59 #include <nlist.h> 60 #include <paths.h> 61 #include <signal.h> 62 #include <stddef.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <time.h> 66 #include <unistd.h> 67 #include <utmp.h> 68 #include <devstat.h> 69 #include "systat.h" 70 #include "extern.h" 71 #include "devs.h" 72 73 static struct Info { 74 struct kinfo_cputime cp_time; 75 struct vmmeter Vmm; 76 struct vmtotal Total; 77 struct vmstats Vms; 78 struct nchstats nchstats; 79 long nchcount; 80 long *intrcnt; 81 int bufspace; 82 int desiredvnodes; 83 long numvnodes; 84 long freevnodes; 85 long numdirtybuffers; 86 } s, s1, s2, z; 87 88 struct kinfo_cputime cp_time, old_cp_time; 89 struct statinfo cur, last, run; 90 91 #define vmm s.Vmm 92 #define vms s.Vms 93 #define oldvmm s1.Vmm 94 #define oldvms s1.Vms 95 #define total s.Total 96 #define nchtotal s.nchstats 97 #define oldnchtotal s1.nchstats 98 99 static enum state { BOOT, TIME, RUN } state = TIME; 100 101 static void allocinfo(struct Info *); 102 static void copyinfo(struct Info *, struct Info *); 103 static void dinfo(int, int, struct statinfo *, struct statinfo *); 104 static void getinfo(struct Info *, enum state); 105 static void putint(int, int, int, int); 106 static void putfloat(double, int, int, int, int, int); 107 static void putlongdouble(long double, int, int, int, int, int); 108 static int ucount(void); 109 110 static int ncpu; 111 static int ut; 112 static char buf[26]; 113 static time_t t; 114 static double etime; 115 static int nintr; 116 static long *intrloc; 117 static char **intrname; 118 static int nextintsrow; 119 static int extended_vm_stats; 120 121 struct utmp utmp; 122 123 124 WINDOW * 125 openkre(void) 126 { 127 128 ut = open(_PATH_UTMP, O_RDONLY); 129 if (ut < 0) 130 error("No utmp"); 131 return (stdscr); 132 } 133 134 void 135 closekre(WINDOW *w) 136 { 137 138 (void) close(ut); 139 if (w == NULL) 140 return; 141 wclear(w); 142 wrefresh(w); 143 } 144 145 146 static struct nlist namelist[] = { 147 #define X_BUFFERSPACE 0 148 { "_bufspace" }, 149 #define X_NCHSTATS 1 150 { "_nchstats" }, 151 #define X_INTRNAMES 2 152 { "_intrnames" }, 153 #define X_EINTRNAMES 3 154 { "_eintrnames" }, 155 #define X_INTRCNT 4 156 { "_intrcnt" }, 157 #define X_EINTRCNT 5 158 { "_eintrcnt" }, 159 #define X_DESIREDVNODES 6 160 { "_desiredvnodes" }, 161 #define X_NUMVNODES 7 162 { "_numvnodes" }, 163 #define X_FREEVNODES 8 164 { "_freevnodes" }, 165 #define X_NUMDIRTYBUFFERS 9 166 { "_numdirtybuffers" }, 167 { "" }, 168 }; 169 170 /* 171 * These constants define where the major pieces are laid out 172 */ 173 #define STATROW 0 /* uses 1 row and 68 cols */ 174 #define STATCOL 2 175 #define MEMROW 2 /* uses 4 rows and 31 cols */ 176 #define MEMCOL 0 177 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 178 #define PAGECOL 46 179 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 180 #define INTSCOL 61 181 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 182 #define PROCSCOL 0 183 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 184 #define GENSTATCOL 20 185 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 186 #define VMSTATCOL 48 187 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 188 #define GRAPHCOL 0 189 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 190 #define NAMEICOL 0 191 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 192 #define DISKCOL 0 193 194 #define DRIVESPACE 7 /* max # for space */ 195 196 #define MAXDRIVES DRIVESPACE /* max # to display */ 197 198 int 199 initkre(void) 200 { 201 char *intrnamebuf, *cp; 202 int i; 203 204 if (namelist[0].n_type == 0) { 205 if (kvm_nlist(kd, namelist)) { 206 nlisterr(namelist); 207 return(0); 208 } 209 if (namelist[0].n_type == 0) { 210 error("No namelist"); 211 return(0); 212 } 213 } 214 215 if ((num_devices = getnumdevs()) < 0) { 216 warnx("%s", devstat_errbuf); 217 return(0); 218 } 219 220 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 221 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 222 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 223 bzero(cur.dinfo, sizeof(struct devinfo)); 224 bzero(last.dinfo, sizeof(struct devinfo)); 225 bzero(run.dinfo, sizeof(struct devinfo)); 226 227 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 228 return(0); 229 230 if (nintr == 0) { 231 nintr = (namelist[X_EINTRCNT].n_value - 232 namelist[X_INTRCNT].n_value) / sizeof (long); 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 == 0 || 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 nextintsrow = INTSROW + 2; 255 allocinfo(&s); 256 allocinfo(&s1); 257 allocinfo(&s2); 258 allocinfo(&z); 259 } 260 getinfo(&s2, RUN); 261 copyinfo(&s2, &s1); 262 return(1); 263 } 264 265 void 266 fetchkre(void) 267 { 268 time_t now; 269 struct tm *tp; 270 static int d_first = -1; 271 272 if (d_first < 0) 273 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 274 275 time(&now); 276 tp = localtime(&now); 277 (void) strftime(buf, sizeof(buf), 278 d_first ? "%e %b %R" : "%b %e %R", tp); 279 getinfo(&s, state); 280 } 281 282 void 283 labelkre(void) 284 { 285 register int i, j; 286 287 clear(); 288 mvprintw(STATROW, STATCOL + 4, "users Load"); 289 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 290 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 291 mvprintw(MEMROW + 2, MEMCOL, "Act"); 292 mvprintw(MEMROW + 3, MEMCOL, "All"); 293 294 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 295 296 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 297 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 298 mvprintw(PAGEROW + 2, PAGECOL, "count"); 299 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 300 301 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 302 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 303 304 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 305 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 306 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 307 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 308 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 309 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 310 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 311 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 312 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 313 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 314 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 315 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 316 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 317 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 318 319 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 320 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 321 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes"); 322 323 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 324 325 mvprintw(GRAPHROW, GRAPHCOL, 326 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 327 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 328 mvprintw(GRAPHROW + 1, GRAPHCOL, 329 "| | | | | | | | | | |"); 330 331 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 332 mvprintw(NAMEIROW + 1, NAMEICOL, 333 " Calls hits %% hits %%"); 334 mvprintw(DISKROW, DISKCOL, "Disks"); 335 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 336 mvprintw(DISKROW + 2, DISKCOL, "tps"); 337 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 338 mvprintw(DISKROW + 4, DISKCOL, "%% busy"); 339 /* 340 * For now, we don't support a fourth disk statistic. So there's 341 * no point in providing a label for it. If someone can think of a 342 * fourth useful disk statistic, there is room to add it. 343 */ 344 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 345 j = 0; 346 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 347 if (dev_select[i].selected) { 348 char tmpstr[80]; 349 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 350 dev_select[i].unit_number); 351 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 352 " %5.5s", tmpstr); 353 j++; 354 } 355 356 if (j <= 4) { 357 /* 358 * room for extended VM stats 359 */ 360 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 361 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod"); 362 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 363 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 364 extended_vm_stats = 1; 365 } else { 366 extended_vm_stats = 0; 367 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 368 } 369 370 for (i = 0; i < nintr; i++) { 371 if (intrloc[i] == 0) 372 continue; 373 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 374 } 375 } 376 377 #define CP_UPDATE(fld) do { \ 378 uint64_t t; \ 379 t=s.fld; \ 380 s.fld-=s1.fld; \ 381 if(state==TIME) \ 382 s1.fld=t; \ 383 t=fld; \ 384 fld-=old_##fld; \ 385 if(state==TIME) \ 386 old_##fld=t; \ 387 etime += s.fld; \ 388 } while(0) 389 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 390 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 391 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 392 if(state == TIME) s1.nchstats.fld = t;} 393 #define PUTRATE(fld, l, c, w) \ 394 Y(fld); \ 395 putint((int)((float)s.fld/etime + 0.5), l, c, w) 396 #define MAXFAIL 5 397 398 #define CPUSTATES 5 399 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' }; 400 401 static const size_t cpuoffsets[] = { 402 offsetof(struct kinfo_cputime, cp_sys), 403 offsetof(struct kinfo_cputime, cp_intr), 404 offsetof(struct kinfo_cputime, cp_user), 405 offsetof(struct kinfo_cputime, cp_nice), 406 offsetof(struct kinfo_cputime, cp_idle) 407 }; 408 409 void 410 showkre(void) 411 { 412 float f1, f2; 413 int psiz, inttotal; 414 int i, l, c; 415 static int failcnt = 0; 416 double total_time; 417 418 etime = 0; 419 CP_UPDATE(cp_time.cp_user); 420 CP_UPDATE(cp_time.cp_nice); 421 CP_UPDATE(cp_time.cp_sys); 422 CP_UPDATE(cp_time.cp_intr); 423 CP_UPDATE(cp_time.cp_idle); 424 425 total_time = etime; 426 if (total_time == 0.0) 427 total_time = 1.0; 428 429 if (etime < 100000.0) { /* < 100ms ignore this trash */ 430 if (failcnt++ >= MAXFAIL) { 431 clear(); 432 mvprintw(2, 10, "The alternate system clock has died!"); 433 mvprintw(3, 10, "Reverting to ``pigs'' display."); 434 move(CMDLINE, 0); 435 refresh(); 436 failcnt = 0; 437 sleep(5); 438 command("pigs"); 439 } 440 return; 441 } 442 failcnt = 0; 443 etime /= 1000000.0; 444 etime /= ncpu; 445 if (etime == 0) 446 etime = 1; 447 inttotal = 0; 448 for (i = 0; i < nintr; i++) { 449 if (s.intrcnt[i] == 0) 450 continue; 451 if (intrloc[i] == 0) { 452 if (nextintsrow == LINES) 453 continue; 454 intrloc[i] = nextintsrow++; 455 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 456 intrname[i]); 457 } 458 X(intrcnt); 459 l = (int)((float)s.intrcnt[i]/etime + 0.5); 460 inttotal += l; 461 putint(l, intrloc[i], INTSCOL + 2, 6); 462 } 463 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 464 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 465 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 466 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 467 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 468 if (state == TIME) 469 s1.nchcount = s.nchcount; 470 471 psiz = 0; 472 f2 = 0.0; 473 for (c = 0; c < CPUSTATES; c++) { 474 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) + 475 cpuoffsets[c]); 476 f1 = 100.0 * val / total_time; 477 f2 += f1; 478 l = (int) ((f2 + 1.0) / 2.0) - psiz; 479 if (f1 > 99.9) 480 f1 = 99.9; /* no room to display 100.0 */ 481 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 482 move(GRAPHROW + 2, psiz); 483 psiz += l; 484 while (l-- > 0) 485 addch(cpuchar[c]); 486 } 487 488 putint(ucount(), STATROW, STATCOL, 3); 489 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 490 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 491 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 492 mvaddstr(STATROW, STATCOL + 53, buf); 493 #define pgtokb(pg) ((pg) * vms.v_page_size / 1024) 494 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 495 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 496 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 497 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 498 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 499 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 500 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 501 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 502 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 503 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 504 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 505 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 506 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 507 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 508 if (extended_vm_stats == 0) { 509 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 510 } 511 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 512 putint(pgtokb(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 513 putint(pgtokb(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 514 putint(pgtokb(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 515 putint(pgtokb(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 516 putint(pgtokb(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 517 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 518 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 519 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 520 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 521 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 522 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 523 524 if (extended_vm_stats) { 525 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 526 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 527 putint( 528 ((s.Vmm.v_ozfod < s.Vmm.v_zfod) ? 529 s.Vmm.v_ozfod * 100 / s.Vmm.v_zfod : 530 0 531 ), 532 VMSTATROW + 13, 533 VMSTATCOL - 16, 534 9 535 ); 536 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 537 } 538 539 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 540 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9); 541 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9); 542 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9); 543 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9); 544 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 545 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 546 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 547 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 548 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 549 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 550 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 551 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 552 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 553 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 554 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 555 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 556 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 557 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 558 mvprintw(DISKROW, DISKCOL + 5, " "); 559 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++) 560 if (dev_select[i].selected) { 561 char tmpstr[80]; 562 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 563 dev_select[i].unit_number); 564 mvprintw(DISKROW, DISKCOL + 5 + 6 * c, 565 " %5.5s", tmpstr); 566 switch(state) { 567 case TIME: 568 dinfo(i, ++c, &cur, &last); 569 break; 570 case RUN: 571 dinfo(i, ++c, &cur, &run); 572 break; 573 case BOOT: 574 dinfo(i, ++c, &cur, NULL); 575 break; 576 } 577 } 578 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 579 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 580 NAMEIROW + 2, NAMEICOL + 9, 9); 581 #define nz(x) ((x) ? (x) : 1) 582 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 583 100.0 / nz(s.nchcount), 584 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 585 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 586 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 587 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 588 #undef nz 589 } 590 591 int 592 cmdkre(char *cmd, char *args) 593 { 594 int retval; 595 596 if (prefix(cmd, "run")) { 597 retval = 1; 598 copyinfo(&s2, &s1); 599 switch (getdevs(&run)) { 600 case -1: 601 errx(1, "%s", devstat_errbuf); 602 break; 603 case 1: 604 num_devices = run.dinfo->numdevs; 605 generation = run.dinfo->generation; 606 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 607 if (retval == 2) 608 labelkre(); 609 break; 610 default: 611 break; 612 } 613 state = RUN; 614 return (retval); 615 } 616 if (prefix(cmd, "boot")) { 617 state = BOOT; 618 copyinfo(&z, &s1); 619 return (1); 620 } 621 if (prefix(cmd, "time")) { 622 state = TIME; 623 return (1); 624 } 625 if (prefix(cmd, "zero")) { 626 retval = 1; 627 if (state == RUN) { 628 getinfo(&s1, RUN); 629 switch (getdevs(&run)) { 630 case -1: 631 errx(1, "%s", devstat_errbuf); 632 break; 633 case 1: 634 num_devices = run.dinfo->numdevs; 635 generation = run.dinfo->generation; 636 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 637 if (retval == 2) 638 labelkre(); 639 break; 640 default: 641 break; 642 } 643 } 644 return (retval); 645 } 646 retval = dscmd(cmd, args, MAXDRIVES, &cur); 647 648 if (retval == 2) 649 labelkre(); 650 651 return(retval); 652 } 653 654 /* calculate number of users on the system */ 655 static int 656 ucount(void) 657 { 658 register int nusers = 0; 659 660 if (ut < 0) 661 return (0); 662 while (read(ut, &utmp, sizeof(utmp))) 663 if (utmp.ut_name[0] != '\0') 664 nusers++; 665 666 lseek(ut, 0L, L_SET); 667 return (nusers); 668 } 669 670 static void 671 putint(int n, int l, int c, int w) 672 { 673 char b[128]; 674 675 move(l, c); 676 if (n == 0) { 677 while (w-- > 0) 678 addch(' '); 679 return; 680 } 681 snprintf(b, sizeof(b), "%*d", w, n); 682 if (strlen(b) > w) { 683 while (w-- > 0) 684 addch('*'); 685 return; 686 } 687 addstr(b); 688 } 689 690 static void 691 putfloat(double f, int l, int c, int w, int d, int nz) 692 { 693 char b[128]; 694 695 move(l, c); 696 if (nz && f == 0.0) { 697 while (--w >= 0) 698 addch(' '); 699 return; 700 } 701 snprintf(b, sizeof(b), "%*.*f", w, d, f); 702 if (strlen(b) > w) 703 snprintf(b, sizeof(b), "%*.0f", w, f); 704 if (strlen(b) > w) { 705 while (--w >= 0) 706 addch('*'); 707 return; 708 } 709 addstr(b); 710 } 711 712 static void 713 putlongdouble(long double f, int l, int c, int w, int d, int nz) 714 { 715 char b[128]; 716 717 move(l, c); 718 if (nz && f == 0.0) { 719 while (--w >= 0) 720 addch(' '); 721 return; 722 } 723 sprintf(b, "%*.*Lf", w, d, f); 724 if (strlen(b) > w) 725 sprintf(b, "%*.0Lf", w, f); 726 if (strlen(b) > w) { 727 while (--w >= 0) 728 addch('*'); 729 return; 730 } 731 addstr(b); 732 } 733 734 static void 735 getinfo(struct Info *s, enum state st) 736 { 737 struct devinfo *tmp_dinfo; 738 struct nchstats *nch_tmp; 739 size_t size; 740 int vms_size = sizeof(s->Vms); 741 int vmm_size = sizeof(s->Vmm); 742 size_t nch_size = sizeof(s->nchstats) * SMP_MAXCPU; 743 744 if (sysctlbyname("vm.vmstats", &s->Vms, &vms_size, NULL, 0)) { 745 perror("sysctlbyname: vm.vmstats"); 746 exit(1); 747 } 748 if (sysctlbyname("vm.vmmeter", &s->Vmm, &vmm_size, NULL, 0)) { 749 perror("sysctlbyname: vm.vmstats"); 750 exit(1); 751 } 752 753 if (kinfo_get_sched_cputime(&s->cp_time)) 754 err(1, "kinfo_get_sched_cputime"); 755 if (kinfo_get_sched_cputime(&cp_time)) 756 err(1, "kinfo_get_sched_cputime"); 757 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace)); 758 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes)); 759 NREAD(X_NUMVNODES, &s->numvnodes, LONG); 760 NREAD(X_FREEVNODES, &s->freevnodes, LONG); 761 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 762 NREAD(X_NUMDIRTYBUFFERS, &s->numdirtybuffers, sizeof(s->numdirtybuffers)); 763 size = sizeof(s->Total); 764 if (sysctlbyname("vm.vmtotal", &s->Total, &size, NULL, 0) < 0) { 765 error("Can't get kernel info: %s\n", strerror(errno)); 766 bzero(&s->Total, sizeof(s->Total)); 767 } 768 769 if ((nch_tmp = malloc(nch_size)) == NULL) { 770 perror("malloc"); 771 exit(1); 772 } else { 773 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) { 774 perror("sysctlbyname vfs.cache.nchstats"); 775 free(nch_tmp); 776 exit(1); 777 } else { 778 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) { 779 perror("realloc"); 780 exit(1); 781 } 782 } 783 } 784 785 if (kinfo_get_cpus(&ncpu)) 786 err(1, "kinfo_get_cpus"); 787 kvm_nch_cpuagg(nch_tmp, &s->nchstats, ncpu); 788 free(nch_tmp); 789 790 tmp_dinfo = last.dinfo; 791 last.dinfo = cur.dinfo; 792 cur.dinfo = tmp_dinfo; 793 794 last.busy_time = cur.busy_time; 795 switch (getdevs(&cur)) { 796 case -1: 797 errx(1, "%s", devstat_errbuf); 798 break; 799 case 1: 800 num_devices = cur.dinfo->numdevs; 801 generation = cur.dinfo->generation; 802 cmdkre("refresh", NULL); 803 break; 804 default: 805 break; 806 } 807 } 808 809 static void 810 allocinfo(struct Info *s) 811 { 812 813 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 814 if (s->intrcnt == NULL) 815 errx(2, "out of memory"); 816 } 817 818 static void 819 copyinfo(register struct Info *from, register struct Info *to) 820 { 821 long *intrcnt; 822 823 /* 824 * time, wds, seek, and xfer are malloc'd so we have to 825 * save the pointers before the structure copy and then 826 * copy by hand. 827 */ 828 intrcnt = to->intrcnt; 829 *to = *from; 830 831 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 832 } 833 834 static void 835 dinfo(int dn, int c, struct statinfo *now, struct statinfo *then) 836 { 837 long double transfers_per_second; 838 long double kb_per_transfer, mb_per_second; 839 long double elapsed_time, device_busy; 840 int di; 841 842 di = dev_select[dn].position; 843 844 elapsed_time = compute_etime(now->busy_time, then ? 845 then->busy_time : 846 now->dinfo->devices[di].dev_creation_time); 847 848 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 849 then->dinfo->devices[di].busy_time : 850 now->dinfo->devices[di].dev_creation_time); 851 852 if (compute_stats(&now->dinfo->devices[di], then ? 853 &then->dinfo->devices[di] : NULL, elapsed_time, 854 NULL, NULL, NULL, 855 &kb_per_transfer, &transfers_per_second, 856 &mb_per_second, NULL, NULL) != 0) 857 errx(1, "%s", devstat_errbuf); 858 859 if ((device_busy == 0) && (transfers_per_second > 5)) 860 /* the device has been 100% busy, fake it because 861 * as long as the device is 100% busy the busy_time 862 * field in the devstat struct is not updated */ 863 device_busy = elapsed_time; 864 if (device_busy > elapsed_time) 865 /* this normally happens after one or more periods 866 * where the device has been 100% busy, correct it */ 867 device_busy = elapsed_time; 868 869 c = DISKCOL + c * 6; 870 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0); 871 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0); 872 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0); 873 putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, c, 5, 0, 0); 874 } 875