vmstat.c revision 44935
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 34#ifndef lint 35#if 0 36static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 37#endif 38static const char rcsid[] = 39 "$Id: vmstat.c,v 1.34 1999/02/08 02:39:45 dillon Exp $"; 40#endif /* not lint */ 41 42/* 43 * Cursed vmstat -- from Robert Elz. 44 */ 45 46#include <sys/param.h> 47#include <sys/buf.h> 48#include <sys/stat.h> 49#include <sys/time.h> 50#include <sys/proc.h> 51#include <sys/uio.h> 52#include <sys/namei.h> 53#include <sys/sysctl.h> 54#include <sys/dkstat.h> 55#include <sys/vmmeter.h> 56 57#include <vm/vm_param.h> 58 59#include <ctype.h> 60#include <err.h> 61#include <nlist.h> 62#include <paths.h> 63#include <signal.h> 64#include <stdlib.h> 65#include <string.h> 66#include <time.h> 67#include <unistd.h> 68#include <utmp.h> 69#include <devstat.h> 70#include "systat.h" 71#include "extern.h" 72#include "devs.h" 73 74static struct Info { 75 long time[CPUSTATES]; 76 struct vmmeter Cnt; 77 struct vmtotal Total; 78 struct nchstats nchstats; 79 long nchcount; 80 long *intrcnt; 81 int bufspace; 82 int desiredvnodes; 83 long numvnodes; 84 long freevnodes; 85} s, s1, s2, z; 86 87struct statinfo cur, last, run; 88 89#define cnt s.Cnt 90#define oldcnt s1.Cnt 91#define total s.Total 92#define nchtotal s.nchstats 93#define oldnchtotal s1.nchstats 94 95static enum state { BOOT, TIME, RUN } state = TIME; 96 97static void allocinfo __P((struct Info *)); 98static void copyinfo __P((struct Info *, struct Info *)); 99static float cputime __P((int)); 100static void dinfo __P((int, int, struct statinfo *, struct statinfo *)); 101static void getinfo __P((struct Info *, enum state)); 102static void putint __P((int, int, int, int)); 103static void putfloat __P((double, int, int, int, int, int)); 104static void putlongdouble __P((long double, int, int, int, int, int)); 105static int ucount __P((void)); 106 107static int ncpu; 108static int ut; 109static char buf[26]; 110static time_t t; 111static double etime; 112static int nintr; 113static long *intrloc; 114static char **intrname; 115static int nextintsrow; 116static int extended_vm_stats; 117 118struct utmp utmp; 119 120 121WINDOW * 122openkre() 123{ 124 125 ut = open(_PATH_UTMP, O_RDONLY); 126 if (ut < 0) 127 error("No utmp"); 128 return (stdscr); 129} 130 131void 132closekre(w) 133 WINDOW *w; 134{ 135 136 (void) close(ut); 137 if (w == NULL) 138 return; 139 wclear(w); 140 wrefresh(w); 141} 142 143 144static struct nlist namelist[] = { 145#define X_CPTIME 0 146 { "_cp_time" }, 147#define X_CNT 1 148 { "_cnt" }, 149#define X_BUFFERSPACE 2 150 { "_bufspace" }, 151#define X_NCHSTATS 3 152 { "_nchstats" }, 153#define X_INTRNAMES 4 154 { "_intrnames" }, 155#define X_EINTRNAMES 5 156 { "_eintrnames" }, 157#define X_INTRCNT 6 158 { "_intrcnt" }, 159#define X_EINTRCNT 7 160 { "_eintrcnt" }, 161#define X_DESIREDVNODES 8 162 { "_desiredvnodes" }, 163#define X_NUMVNODES 9 164 { "_numvnodes" }, 165#define X_FREEVNODES 10 166 { "_freevnodes" }, 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 198int 199initkre() 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 265void 266fetchkre() 267{ 268 time_t now; 269 struct tm *tp; 270 271 time(&now); 272 tp = localtime(&now); 273 (void) strftime(buf, sizeof(buf), "%c", tp); 274 buf[16] = '\0'; 275 getinfo(&s, state); 276} 277 278void 279labelkre() 280{ 281 register int i, j; 282 283 clear(); 284 mvprintw(STATROW, STATCOL + 4, "users Load"); 285 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 286 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 287 mvprintw(MEMROW + 2, MEMCOL, "Act"); 288 mvprintw(MEMROW + 3, MEMCOL, "All"); 289 290 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 291 292 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 293 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 294 mvprintw(PAGEROW + 2, PAGECOL, "count"); 295 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 296 297 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 298 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 299 300 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 301 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 302 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 303 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 304 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 305 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 306 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 307 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 308 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 309 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 310 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 311 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 312 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 313 314 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "desiredvnodes"); 315 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "numvnodes"); 316 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "freevnodes"); 317 318 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 319 320 mvprintw(GRAPHROW, GRAPHCOL, 321 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 322 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 323 mvprintw(GRAPHROW + 1, GRAPHCOL, 324 "| | | | | | | | | | |"); 325 326 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 327 mvprintw(NAMEIROW + 1, NAMEICOL, 328 " Calls hits %% hits %%"); 329 mvprintw(DISKROW, DISKCOL, "Discs"); 330 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 331 mvprintw(DISKROW + 2, DISKCOL, "tps"); 332 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 333 /* 334 * For now, we don't support a fourth disk statistic. So there's 335 * no point in providing a label for it. If someone can think of a 336 * fourth useful disk statistic, there is room to add it. 337 */ 338 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 339 j = 0; 340 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 341 if (dev_select[i].selected) { 342 char tmpstr[80]; 343 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 344 dev_select[i].unit_number); 345 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 346 " %5.5s", tmpstr); 347 j++; 348 } 349 350 if (j <= 4) { 351 /* 352 * room for extended VM stats 353 */ 354 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 355 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod"); 356 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 357 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 358 extended_vm_stats = 1; 359 } else { 360 extended_vm_stats = 0; 361 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 362 } 363 364 for (i = 0; i < nintr; i++) { 365 if (intrloc[i] == 0) 366 continue; 367 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 368 } 369} 370 371#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 372#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 373#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 374#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 375 if(state == TIME) s1.nchstats.fld = t;} 376#define PUTRATE(fld, l, c, w) \ 377 Y(fld); \ 378 putint((int)((float)s.fld/etime + 0.5), l, c, w) 379#define MAXFAIL 5 380 381static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 382static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 383 CP_IDLE }; 384 385void 386showkre() 387{ 388 float f1, f2; 389 int psiz, inttotal; 390 int i, l, c; 391 static int failcnt = 0; 392 393 etime = 0; 394 for(i = 0; i < CPUSTATES; i++) { 395 X(time); 396 Q(cp_time); 397 etime += s.time[i]; 398 } 399 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 400 if (failcnt++ >= MAXFAIL) { 401 clear(); 402 mvprintw(2, 10, "The alternate system clock has died!"); 403 mvprintw(3, 10, "Reverting to ``pigs'' display."); 404 move(CMDLINE, 0); 405 refresh(); 406 failcnt = 0; 407 sleep(5); 408 command("pigs"); 409 } 410 return; 411 } 412 failcnt = 0; 413 etime /= hertz; 414 etime /= ncpu; 415 inttotal = 0; 416 for (i = 0; i < nintr; i++) { 417 if (s.intrcnt[i] == 0) 418 continue; 419 if (intrloc[i] == 0) { 420 if (nextintsrow == LINES) 421 continue; 422 intrloc[i] = nextintsrow++; 423 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 424 intrname[i]); 425 } 426 X(intrcnt); 427 l = (int)((float)s.intrcnt[i]/etime + 0.5); 428 inttotal += l; 429 putint(l, intrloc[i], INTSCOL + 2, 6); 430 } 431 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 432 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 433 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 434 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 435 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 436 if (state == TIME) 437 s1.nchcount = s.nchcount; 438 439 psiz = 0; 440 f2 = 0.0; 441 for (c = 0; c < CPUSTATES; c++) { 442 i = cpuorder[c]; 443 f1 = cputime(i); 444 f2 += f1; 445 l = (int) ((f2 + 1.0) / 2.0) - psiz; 446 if (f1 > 99.9) 447 f1 = 99.9; /* no room to display 100.0 */ 448 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 449 move(GRAPHROW + 2, psiz); 450 psiz += l; 451 while (l-- > 0) 452 addch(cpuchar[c]); 453 } 454 455 putint(ucount(), STATROW, STATCOL, 3); 456 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 457 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 458 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 459 mvaddstr(STATROW, STATCOL + 53, buf); 460#define pgtokb(pg) ((pg) * cnt.v_page_size / 1024) 461 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 462 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 463 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 464 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 465 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 466 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 467 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 468 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 469 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 470 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 471 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 472 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 473 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 474 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 475 if (extended_vm_stats == 0) { 476 PUTRATE(Cnt.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 477 } 478 PUTRATE(Cnt.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 479 putint(pgtokb(cnt.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 480 putint(pgtokb(cnt.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 481 putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 482 putint(pgtokb(cnt.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 483 putint(pgtokb(cnt.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 484 PUTRATE(Cnt.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 485 PUTRATE(Cnt.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 486 PUTRATE(Cnt.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 487 PUTRATE(Cnt.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 488 PUTRATE(Cnt.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 489 PUTRATE(Cnt.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 490 491 if (extended_vm_stats) { 492 PUTRATE(Cnt.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 493 PUTRATE(Cnt.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 494 putint( 495 ((s.Cnt.v_ozfod < s.Cnt.v_zfod) ? 496 s.Cnt.v_ozfod * 100 / s.Cnt.v_zfod : 497 0 498 ), 499 VMSTATROW + 13, 500 VMSTATCOL - 16, 501 9 502 ); 503 PUTRATE(Cnt.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 504 } 505 506 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 507 putint(s.desiredvnodes, VMSTATROW + 14, VMSTATCOL, 9); 508 putint(s.numvnodes, VMSTATROW + 15, VMSTATCOL, 9); 509 putint(s.freevnodes, VMSTATROW + 16, VMSTATCOL, 9); 510 PUTRATE(Cnt.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 511 PUTRATE(Cnt.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 512 PUTRATE(Cnt.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 513 PUTRATE(Cnt.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 514 PUTRATE(Cnt.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 515 PUTRATE(Cnt.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 516 PUTRATE(Cnt.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 517 PUTRATE(Cnt.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 518 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 519 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 520 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 521 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 522 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 523 PUTRATE(Cnt.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 524 mvprintw(DISKROW, DISKCOL + 5, " "); 525 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++) 526 if (dev_select[i].selected) { 527 char tmpstr[80]; 528 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 529 dev_select[i].unit_number); 530 mvprintw(DISKROW, DISKCOL + 5 + 6 * c, 531 " %5.5s", tmpstr); 532 switch(state) { 533 case TIME: 534 dinfo(i, ++c, &cur, &last); 535 break; 536 case RUN: 537 dinfo(i, ++c, &cur, &run); 538 break; 539 case BOOT: 540 dinfo(i, ++c, &cur, NULL); 541 break; 542 } 543 } 544 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 545 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 546 NAMEIROW + 2, NAMEICOL + 9, 9); 547#define nz(x) ((x) ? (x) : 1) 548 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 549 100.0 / nz(s.nchcount), 550 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 551 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 552 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 553 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 554#undef nz 555} 556 557int 558cmdkre(cmd, args) 559 char *cmd, *args; 560{ 561 int retval; 562 563 if (prefix(cmd, "run")) { 564 retval = 1; 565 copyinfo(&s2, &s1); 566 switch (getdevs(&run)) { 567 case -1: 568 errx(1, "%s", devstat_errbuf); 569 break; 570 case 1: 571 num_devices = run.dinfo->numdevs; 572 generation = run.dinfo->generation; 573 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 574 if (retval == 2) 575 labelkre(); 576 break; 577 default: 578 break; 579 } 580 state = RUN; 581 return (retval); 582 } 583 if (prefix(cmd, "boot")) { 584 state = BOOT; 585 copyinfo(&z, &s1); 586 return (1); 587 } 588 if (prefix(cmd, "time")) { 589 state = TIME; 590 return (1); 591 } 592 if (prefix(cmd, "zero")) { 593 retval = 1; 594 if (state == RUN) { 595 getinfo(&s1, RUN); 596 switch (getdevs(&run)) { 597 case -1: 598 errx(1, "%s", devstat_errbuf); 599 break; 600 case 1: 601 num_devices = run.dinfo->numdevs; 602 generation = run.dinfo->generation; 603 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 604 if (retval == 2) 605 labelkre(); 606 break; 607 default: 608 break; 609 } 610 } 611 return (retval); 612 } 613 retval = dscmd(cmd, args, MAXDRIVES, &cur); 614 615 if (retval == 2) 616 labelkre(); 617 618 return(retval); 619} 620 621/* calculate number of users on the system */ 622static int 623ucount() 624{ 625 register int nusers = 0; 626 627 if (ut < 0) 628 return (0); 629 while (read(ut, &utmp, sizeof(utmp))) 630 if (utmp.ut_name[0] != '\0') 631 nusers++; 632 633 lseek(ut, 0L, L_SET); 634 return (nusers); 635} 636 637static float 638cputime(indx) 639 int indx; 640{ 641 double t; 642 register int i; 643 644 t = 0; 645 for (i = 0; i < CPUSTATES; i++) 646 t += s.time[i]; 647 if (t == 0.0) 648 t = 1.0; 649 return (s.time[indx] * 100.0 / t); 650} 651 652static void 653putint(n, l, c, w) 654 int n, l, c, w; 655{ 656 char b[128]; 657 658 move(l, c); 659 if (n == 0) { 660 while (w-- > 0) 661 addch(' '); 662 return; 663 } 664 snprintf(b, sizeof(b), "%*d", w, n); 665 if (strlen(b) > w) { 666 while (w-- > 0) 667 addch('*'); 668 return; 669 } 670 addstr(b); 671} 672 673static void 674putfloat(f, l, c, w, d, nz) 675 double f; 676 int l, c, w, d, nz; 677{ 678 char b[128]; 679 680 move(l, c); 681 if (nz && f == 0.0) { 682 while (--w >= 0) 683 addch(' '); 684 return; 685 } 686 snprintf(b, sizeof(b), "%*.*f", w, d, f); 687 if (strlen(b) > w) 688 snprintf(b, sizeof(b), "%*.0f", w, f); 689 if (strlen(b) > w) { 690 while (--w >= 0) 691 addch('*'); 692 return; 693 } 694 addstr(b); 695} 696 697static void 698putlongdouble(f, l, c, w, d, nz) 699 long double f; 700 int l, c, w, d, 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 721static void 722getinfo(s, st) 723 struct Info *s; 724 enum state st; 725{ 726 struct devinfo *tmp_dinfo; 727 int mib[2], size; 728 extern int errno; 729 730 NREAD(X_CPTIME, s->time, sizeof s->time); 731 NREAD(X_CPTIME, cur.cp_time, sizeof(cur.cp_time)); 732 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt); 733 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace)); 734 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes)); 735 NREAD(X_NUMVNODES, &s->numvnodes, LONG); 736 NREAD(X_FREEVNODES, &s->freevnodes, LONG); 737 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats); 738 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 739 size = sizeof(s->Total); 740 mib[0] = CTL_VM; 741 mib[1] = VM_METER; 742 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 743 error("Can't get kernel info: %s\n", strerror(errno)); 744 bzero(&s->Total, sizeof(s->Total)); 745 } 746 size = sizeof(ncpu); 747 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0) 748 ncpu = 1; 749 750 tmp_dinfo = last.dinfo; 751 last.dinfo = cur.dinfo; 752 cur.dinfo = tmp_dinfo; 753 754 last.busy_time = cur.busy_time; 755 switch (getdevs(&cur)) { 756 case -1: 757 errx(1, "%s", devstat_errbuf); 758 break; 759 case 1: 760 num_devices = cur.dinfo->numdevs; 761 generation = cur.dinfo->generation; 762 cmdkre("refresh", NULL); 763 break; 764 default: 765 break; 766 } 767} 768 769static void 770allocinfo(s) 771 struct Info *s; 772{ 773 774 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 775 if (s->intrcnt == NULL) 776 errx(2, "out of memory"); 777} 778 779static void 780copyinfo(from, to) 781 register struct Info *from, *to; 782{ 783 long *intrcnt; 784 785 /* 786 * time, wds, seek, and xfer are malloc'd so we have to 787 * save the pointers before the structure copy and then 788 * copy by hand. 789 */ 790 intrcnt = to->intrcnt; 791 *to = *from; 792 793 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 794} 795 796static void 797dinfo(dn, c, now, then) 798 int dn, c; 799 struct statinfo *now, *then; 800{ 801 long double transfers_per_second; 802 long double kb_per_transfer, mb_per_second; 803 long double busy_seconds; 804 int di; 805 806 di = dev_select[dn].position; 807 808 busy_seconds = compute_etime(now->busy_time, then ? 809 then->busy_time : 810 now->dinfo->devices[di].dev_creation_time); 811 812 if (compute_stats(&now->dinfo->devices[di], then ? 813 &then->dinfo->devices[di] : NULL, busy_seconds, 814 NULL, NULL, NULL, 815 &kb_per_transfer, &transfers_per_second, 816 &mb_per_second, NULL, NULL) != 0) 817 errx(1, "%s", devstat_errbuf); 818 819 c = DISKCOL + c * 6; 820 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0); 821 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0); 822 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0); 823} 824