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 1.5 2003/10/04 20:36:51 hmp Exp $ 36 */ 37 38 /* 39 * Cursed vmstat -- from Robert Elz. 40 */ 41 42 #include <sys/param.h> 43 #include <sys/stat.h> 44 #include <sys/time.h> 45 #include <sys/proc.h> 46 #include <sys/uio.h> 47 #include <sys/namei.h> 48 #include <sys/sysctl.h> 49 #include <sys/dkstat.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 <langinfo.h> 58 #include <nlist.h> 59 #include <paths.h> 60 #include <signal.h> 61 #include <stdlib.h> 62 #include <string.h> 63 #include <time.h> 64 #include <unistd.h> 65 #include <utmp.h> 66 #include <devstat.h> 67 #include "systat.h" 68 #include "extern.h" 69 #include "devs.h" 70 71 static struct Info { 72 long time[CPUSTATES]; 73 struct vmmeter Vmm; 74 struct vmtotal Total; 75 struct vmstats Vms; 76 struct nchstats nchstats; 77 long nchcount; 78 long *intrcnt; 79 int bufspace; 80 int desiredvnodes; 81 long numvnodes; 82 long freevnodes; 83 long numdirtybuffers; 84 } s, s1, s2, z; 85 86 struct statinfo cur, last, run; 87 88 #define vmm s.Vmm 89 #define vms s.Vms 90 #define oldvmm s1.Vmm 91 #define oldvms s1.Vms 92 #define total s.Total 93 #define nchtotal s.nchstats 94 #define oldnchtotal s1.nchstats 95 96 static enum state { BOOT, TIME, RUN } state = TIME; 97 98 static void allocinfo(struct Info *); 99 static void copyinfo(struct Info *, struct Info *); 100 static float cputime(int); 101 static void dinfo(int, int, struct statinfo *, struct statinfo *); 102 static void getinfo(struct Info *, enum state); 103 static void putint(int, int, int, int); 104 static void putfloat(double, int, int, int, int, int); 105 static void putlongdouble(long double, int, int, int, int, int); 106 static int ucount(void); 107 108 static int ncpu; 109 static int ut; 110 static char buf[26]; 111 static time_t t; 112 static double etime; 113 static int nintr; 114 static long *intrloc; 115 static char **intrname; 116 static int nextintsrow; 117 static int extended_vm_stats; 118 119 struct utmp utmp; 120 121 122 WINDOW * 123 openkre(void) 124 { 125 126 ut = open(_PATH_UTMP, O_RDONLY); 127 if (ut < 0) 128 error("No utmp"); 129 return (stdscr); 130 } 131 132 void 133 closekre(WINDOW *w) 134 { 135 136 (void) close(ut); 137 if (w == NULL) 138 return; 139 wclear(w); 140 wrefresh(w); 141 } 142 143 144 static struct nlist namelist[] = { 145 #define X_CPTIME 0 146 { "_cp_time" }, 147 #define X_BUFFERSPACE 1 148 { "_bufspace" }, 149 #define X_NCHSTATS 2 150 { "_nchstats" }, 151 #define X_INTRNAMES 3 152 { "_intrnames" }, 153 #define X_EINTRNAMES 4 154 { "_eintrnames" }, 155 #define X_INTRCNT 5 156 { "_intrcnt" }, 157 #define X_EINTRCNT 6 158 { "_eintrcnt" }, 159 #define X_DESIREDVNODES 7 160 { "_desiredvnodes" }, 161 #define X_NUMVNODES 8 162 { "_numvnodes" }, 163 #define X_FREEVNODES 9 164 { "_freevnodes" }, 165 #define X_NUMDIRTYBUFFERS 10 166 { "_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 X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 378 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 379 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 380 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 381 if(state == TIME) s1.nchstats.fld = t;} 382 #define PUTRATE(fld, l, c, w) \ 383 Y(fld); \ 384 putint((int)((float)s.fld/etime + 0.5), l, c, w) 385 #define MAXFAIL 5 386 387 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 388 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 389 CP_IDLE }; 390 391 void 392 showkre(void) 393 { 394 float f1, f2; 395 int psiz, inttotal; 396 int i, l, c; 397 static int failcnt = 0; 398 399 etime = 0; 400 for(i = 0; i < CPUSTATES; i++) { 401 X(time); 402 Q(cp_time); 403 etime += s.time[i]; 404 } 405 if (etime < 100000.0) { /* < 100ms ignore this trash */ 406 if (failcnt++ >= MAXFAIL) { 407 clear(); 408 mvprintw(2, 10, "The alternate system clock has died!"); 409 mvprintw(3, 10, "Reverting to ``pigs'' display."); 410 move(CMDLINE, 0); 411 refresh(); 412 failcnt = 0; 413 sleep(5); 414 command("pigs"); 415 } 416 return; 417 } 418 failcnt = 0; 419 etime /= 1000000.0; 420 etime /= ncpu; 421 inttotal = 0; 422 for (i = 0; i < nintr; i++) { 423 if (s.intrcnt[i] == 0) 424 continue; 425 if (intrloc[i] == 0) { 426 if (nextintsrow == LINES) 427 continue; 428 intrloc[i] = nextintsrow++; 429 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 430 intrname[i]); 431 } 432 X(intrcnt); 433 l = (int)((float)s.intrcnt[i]/etime + 0.5); 434 inttotal += l; 435 putint(l, intrloc[i], INTSCOL + 2, 6); 436 } 437 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 438 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 439 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 440 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 441 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 442 if (state == TIME) 443 s1.nchcount = s.nchcount; 444 445 psiz = 0; 446 f2 = 0.0; 447 for (c = 0; c < CPUSTATES; c++) { 448 i = cpuorder[c]; 449 f1 = cputime(i); 450 f2 += f1; 451 l = (int) ((f2 + 1.0) / 2.0) - psiz; 452 if (f1 > 99.9) 453 f1 = 99.9; /* no room to display 100.0 */ 454 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 455 move(GRAPHROW + 2, psiz); 456 psiz += l; 457 while (l-- > 0) 458 addch(cpuchar[c]); 459 } 460 461 putint(ucount(), STATROW, STATCOL, 3); 462 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 463 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 464 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 465 mvaddstr(STATROW, STATCOL + 53, buf); 466 #define pgtokb(pg) ((pg) * vms.v_page_size / 1024) 467 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 468 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 469 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 470 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 471 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 472 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 473 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 474 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 475 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 476 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 477 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 478 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 479 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 480 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 481 if (extended_vm_stats == 0) { 482 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 483 } 484 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 485 putint(pgtokb(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 486 putint(pgtokb(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 487 putint(pgtokb(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 488 putint(pgtokb(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 489 putint(pgtokb(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 490 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 491 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 492 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 493 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 494 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 495 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 496 497 if (extended_vm_stats) { 498 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 499 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 500 putint( 501 ((s.Vmm.v_ozfod < s.Vmm.v_zfod) ? 502 s.Vmm.v_ozfod * 100 / s.Vmm.v_zfod : 503 0 504 ), 505 VMSTATROW + 13, 506 VMSTATCOL - 16, 507 9 508 ); 509 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 510 } 511 512 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 513 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9); 514 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9); 515 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9); 516 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9); 517 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 518 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 519 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 520 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 521 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 522 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 523 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 524 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 525 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 526 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 527 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 528 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 529 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 530 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 531 mvprintw(DISKROW, DISKCOL + 5, " "); 532 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++) 533 if (dev_select[i].selected) { 534 char tmpstr[80]; 535 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 536 dev_select[i].unit_number); 537 mvprintw(DISKROW, DISKCOL + 5 + 6 * c, 538 " %5.5s", tmpstr); 539 switch(state) { 540 case TIME: 541 dinfo(i, ++c, &cur, &last); 542 break; 543 case RUN: 544 dinfo(i, ++c, &cur, &run); 545 break; 546 case BOOT: 547 dinfo(i, ++c, &cur, NULL); 548 break; 549 } 550 } 551 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 552 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 553 NAMEIROW + 2, NAMEICOL + 9, 9); 554 #define nz(x) ((x) ? (x) : 1) 555 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 556 100.0 / nz(s.nchcount), 557 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 558 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 559 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 560 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 561 #undef nz 562 } 563 564 int 565 cmdkre(char *cmd, char *args) 566 { 567 int retval; 568 569 if (prefix(cmd, "run")) { 570 retval = 1; 571 copyinfo(&s2, &s1); 572 switch (getdevs(&run)) { 573 case -1: 574 errx(1, "%s", devstat_errbuf); 575 break; 576 case 1: 577 num_devices = run.dinfo->numdevs; 578 generation = run.dinfo->generation; 579 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 580 if (retval == 2) 581 labelkre(); 582 break; 583 default: 584 break; 585 } 586 state = RUN; 587 return (retval); 588 } 589 if (prefix(cmd, "boot")) { 590 state = BOOT; 591 copyinfo(&z, &s1); 592 return (1); 593 } 594 if (prefix(cmd, "time")) { 595 state = TIME; 596 return (1); 597 } 598 if (prefix(cmd, "zero")) { 599 retval = 1; 600 if (state == RUN) { 601 getinfo(&s1, RUN); 602 switch (getdevs(&run)) { 603 case -1: 604 errx(1, "%s", devstat_errbuf); 605 break; 606 case 1: 607 num_devices = run.dinfo->numdevs; 608 generation = run.dinfo->generation; 609 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 610 if (retval == 2) 611 labelkre(); 612 break; 613 default: 614 break; 615 } 616 } 617 return (retval); 618 } 619 retval = dscmd(cmd, args, MAXDRIVES, &cur); 620 621 if (retval == 2) 622 labelkre(); 623 624 return(retval); 625 } 626 627 /* calculate number of users on the system */ 628 static int 629 ucount(void) 630 { 631 register int nusers = 0; 632 633 if (ut < 0) 634 return (0); 635 while (read(ut, &utmp, sizeof(utmp))) 636 if (utmp.ut_name[0] != '\0') 637 nusers++; 638 639 lseek(ut, 0L, L_SET); 640 return (nusers); 641 } 642 643 static float 644 cputime(int indx) 645 { 646 double t; 647 register int i; 648 649 t = 0; 650 for (i = 0; i < CPUSTATES; i++) 651 t += s.time[i]; 652 if (t == 0.0) 653 t = 1.0; 654 return (s.time[indx] * 100.0 / t); 655 } 656 657 static void 658 putint(int n, int l, int c, int w) 659 { 660 char b[128]; 661 662 move(l, c); 663 if (n == 0) { 664 while (w-- > 0) 665 addch(' '); 666 return; 667 } 668 snprintf(b, sizeof(b), "%*d", w, n); 669 if (strlen(b) > w) { 670 while (w-- > 0) 671 addch('*'); 672 return; 673 } 674 addstr(b); 675 } 676 677 static void 678 putfloat(double f, int l, int c, int w, int d, int nz) 679 { 680 char b[128]; 681 682 move(l, c); 683 if (nz && f == 0.0) { 684 while (--w >= 0) 685 addch(' '); 686 return; 687 } 688 snprintf(b, sizeof(b), "%*.*f", w, d, f); 689 if (strlen(b) > w) 690 snprintf(b, sizeof(b), "%*.0f", w, f); 691 if (strlen(b) > w) { 692 while (--w >= 0) 693 addch('*'); 694 return; 695 } 696 addstr(b); 697 } 698 699 static void 700 putlongdouble(long double f, int l, int c, int w, int d, int nz) 701 { 702 char b[128]; 703 704 move(l, c); 705 if (nz && f == 0.0) { 706 while (--w >= 0) 707 addch(' '); 708 return; 709 } 710 sprintf(b, "%*.*Lf", w, d, f); 711 if (strlen(b) > w) 712 sprintf(b, "%*.0Lf", w, f); 713 if (strlen(b) > w) { 714 while (--w >= 0) 715 addch('*'); 716 return; 717 } 718 addstr(b); 719 } 720 721 static void 722 getinfo(struct Info *s, enum state st) 723 { 724 struct devinfo *tmp_dinfo; 725 size_t size; 726 int mib[2]; 727 int vms_size = sizeof(s->Vms); 728 int vmm_size = sizeof(s->Vmm); 729 730 if (sysctlbyname("vm.vmstats", &s->Vms, &vms_size, NULL, 0)) { 731 perror("sysctlbyname: vm.vmstats"); 732 exit(1); 733 } 734 if (sysctlbyname("vm.vmmeter", &s->Vmm, &vmm_size, NULL, 0)) { 735 perror("sysctlbyname: vm.vmstats"); 736 exit(1); 737 } 738 739 NREAD(X_CPTIME, s->time, sizeof s->time); 740 NREAD(X_CPTIME, cur.cp_time, sizeof(cur.cp_time)); 741 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace)); 742 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes)); 743 NREAD(X_NUMVNODES, &s->numvnodes, LONG); 744 NREAD(X_FREEVNODES, &s->freevnodes, LONG); 745 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats); 746 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 747 NREAD(X_NUMDIRTYBUFFERS, &s->numdirtybuffers, sizeof(s->numdirtybuffers)); 748 size = sizeof(s->Total); 749 if (sysctlbyname("vm.vmtotal", &s->Total, &size, NULL, 0) < 0) { 750 error("Can't get kernel info: %s\n", strerror(errno)); 751 bzero(&s->Total, sizeof(s->Total)); 752 } 753 size = sizeof(ncpu); 754 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0) 755 ncpu = 1; 756 757 tmp_dinfo = last.dinfo; 758 last.dinfo = cur.dinfo; 759 cur.dinfo = tmp_dinfo; 760 761 last.busy_time = cur.busy_time; 762 switch (getdevs(&cur)) { 763 case -1: 764 errx(1, "%s", devstat_errbuf); 765 break; 766 case 1: 767 num_devices = cur.dinfo->numdevs; 768 generation = cur.dinfo->generation; 769 cmdkre("refresh", NULL); 770 break; 771 default: 772 break; 773 } 774 } 775 776 static void 777 allocinfo(struct Info *s) 778 { 779 780 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 781 if (s->intrcnt == NULL) 782 errx(2, "out of memory"); 783 } 784 785 static void 786 copyinfo(register struct Info *from, register struct Info *to) 787 { 788 long *intrcnt; 789 790 /* 791 * time, wds, seek, and xfer are malloc'd so we have to 792 * save the pointers before the structure copy and then 793 * copy by hand. 794 */ 795 intrcnt = to->intrcnt; 796 *to = *from; 797 798 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 799 } 800 801 static void 802 dinfo(int dn, int c, struct statinfo *now, struct statinfo *then) 803 { 804 long double transfers_per_second; 805 long double kb_per_transfer, mb_per_second; 806 long double elapsed_time, device_busy; 807 int di; 808 809 di = dev_select[dn].position; 810 811 elapsed_time = compute_etime(now->busy_time, then ? 812 then->busy_time : 813 now->dinfo->devices[di].dev_creation_time); 814 815 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 816 then->dinfo->devices[di].busy_time : 817 now->dinfo->devices[di].dev_creation_time); 818 819 if (compute_stats(&now->dinfo->devices[di], then ? 820 &then->dinfo->devices[di] : NULL, elapsed_time, 821 NULL, NULL, NULL, 822 &kb_per_transfer, &transfers_per_second, 823 &mb_per_second, NULL, NULL) != 0) 824 errx(1, "%s", devstat_errbuf); 825 826 if ((device_busy == 0) && (transfers_per_second > 5)) 827 /* the device has been 100% busy, fake it because 828 * as long as the device is 100% busy the busy_time 829 * field in the devstat struct is not updated */ 830 device_busy = elapsed_time; 831 if (device_busy > elapsed_time) 832 /* this normally happens after one or more periods 833 * where the device has been 100% busy, correct it */ 834 device_busy = elapsed_time; 835 836 c = DISKCOL + c * 6; 837 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0); 838 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0); 839 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0); 840 putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, c, 5, 0, 0); 841 } 842