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 36 static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 37 #endif 38 static const char rcsid[] = 39 "$FreeBSD: src/usr.bin/systat/vmstat.c,v 1.38.2.4 2002/03/12 19:50:23 phantom Exp $"; 40 #endif /* not lint */ 41 42 /* 43 * Cursed vmstat -- from Robert Elz. 44 */ 45 46 #include <sys/param.h> 47 #include <sys/stat.h> 48 #include <sys/time.h> 49 #include <sys/proc.h> 50 #include <sys/uio.h> 51 #include <sys/namei.h> 52 #include <sys/sysctl.h> 53 #include <sys/dkstat.h> 54 #include <sys/vmmeter.h> 55 56 #include <vm/vm_param.h> 57 58 #include <ctype.h> 59 #include <err.h> 60 #include <errno.h> 61 #include <langinfo.h> 62 #include <nlist.h> 63 #include <paths.h> 64 #include <signal.h> 65 #include <stdlib.h> 66 #include <string.h> 67 #include <time.h> 68 #include <unistd.h> 69 #include <utmp.h> 70 #include <devstat.h> 71 #include "systat.h" 72 #include "extern.h" 73 #include "devs.h" 74 75 static struct Info { 76 long time[CPUSTATES]; 77 struct vmmeter Cnt; 78 struct vmtotal Total; 79 struct nchstats nchstats; 80 long nchcount; 81 long *intrcnt; 82 int bufspace; 83 int desiredvnodes; 84 long numvnodes; 85 long freevnodes; 86 long numdirtybuffers; 87 } s, s1, s2, z; 88 89 struct statinfo cur, last, run; 90 91 #define cnt s.Cnt 92 #define oldcnt s1.Cnt 93 #define total s.Total 94 #define nchtotal s.nchstats 95 #define oldnchtotal s1.nchstats 96 97 static enum state { BOOT, TIME, RUN } state = TIME; 98 99 static void allocinfo __P((struct Info *)); 100 static void copyinfo __P((struct Info *, struct Info *)); 101 static float cputime __P((int)); 102 static void dinfo __P((int, int, struct statinfo *, struct statinfo *)); 103 static void getinfo __P((struct Info *, enum state)); 104 static void putint __P((int, int, int, int)); 105 static void putfloat __P((double, int, int, int, int, int)); 106 static void putlongdouble __P((long double, int, int, int, int, int)); 107 static int ucount __P((void)); 108 109 static int ncpu; 110 static int ut; 111 static char buf[26]; 112 static time_t t; 113 static double etime; 114 static int nintr; 115 static long *intrloc; 116 static char **intrname; 117 static int nextintsrow; 118 static int extended_vm_stats; 119 120 struct utmp utmp; 121 122 123 WINDOW * 124 openkre() 125 { 126 127 ut = open(_PATH_UTMP, O_RDONLY); 128 if (ut < 0) 129 error("No utmp"); 130 return (stdscr); 131 } 132 133 void 134 closekre(w) 135 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_CPTIME 0 148 { "_cp_time" }, 149 #define X_CNT 1 150 { "_cnt" }, 151 #define X_BUFFERSPACE 2 152 { "_bufspace" }, 153 #define X_NCHSTATS 3 154 { "_nchstats" }, 155 #define X_INTRNAMES 4 156 { "_intrnames" }, 157 #define X_EINTRNAMES 5 158 { "_eintrnames" }, 159 #define X_INTRCNT 6 160 { "_intrcnt" }, 161 #define X_EINTRCNT 7 162 { "_eintrcnt" }, 163 #define X_DESIREDVNODES 8 164 { "_desiredvnodes" }, 165 #define X_NUMVNODES 9 166 { "_numvnodes" }, 167 #define X_FREEVNODES 10 168 { "_freevnodes" }, 169 #define X_NUMDIRTYBUFFERS 11 170 { "_numdirtybuffers" }, 171 { "" }, 172 }; 173 174 /* 175 * These constants define where the major pieces are laid out 176 */ 177 #define STATROW 0 /* uses 1 row and 68 cols */ 178 #define STATCOL 2 179 #define MEMROW 2 /* uses 4 rows and 31 cols */ 180 #define MEMCOL 0 181 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 182 #define PAGECOL 46 183 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 184 #define INTSCOL 61 185 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 186 #define PROCSCOL 0 187 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 188 #define GENSTATCOL 20 189 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 190 #define VMSTATCOL 48 191 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 192 #define GRAPHCOL 0 193 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 194 #define NAMEICOL 0 195 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 196 #define DISKCOL 0 197 198 #define DRIVESPACE 7 /* max # for space */ 199 200 #define MAXDRIVES DRIVESPACE /* max # to display */ 201 202 int 203 initkre() 204 { 205 char *intrnamebuf, *cp; 206 int i; 207 208 if (namelist[0].n_type == 0) { 209 if (kvm_nlist(kd, namelist)) { 210 nlisterr(namelist); 211 return(0); 212 } 213 if (namelist[0].n_type == 0) { 214 error("No namelist"); 215 return(0); 216 } 217 } 218 219 if (num_devices = getnumdevs() < 0) { 220 warnx("%s", devstat_errbuf); 221 return(0); 222 } 223 224 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 225 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 226 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 227 bzero(cur.dinfo, sizeof(struct devinfo)); 228 bzero(last.dinfo, sizeof(struct devinfo)); 229 bzero(run.dinfo, sizeof(struct devinfo)); 230 231 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 232 return(0); 233 234 if (nintr == 0) { 235 nintr = (namelist[X_EINTRCNT].n_value - 236 namelist[X_INTRCNT].n_value) / sizeof (long); 237 intrloc = calloc(nintr, sizeof (long)); 238 intrname = calloc(nintr, sizeof (long)); 239 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value - 240 namelist[X_INTRNAMES].n_value); 241 if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) { 242 error("Out of memory\n"); 243 if (intrnamebuf) 244 free(intrnamebuf); 245 if (intrname) 246 free(intrname); 247 if (intrloc) 248 free(intrloc); 249 nintr = 0; 250 return(0); 251 } 252 NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) - 253 NVAL(X_INTRNAMES)); 254 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 255 intrname[i] = cp; 256 cp += strlen(cp) + 1; 257 } 258 nextintsrow = INTSROW + 2; 259 allocinfo(&s); 260 allocinfo(&s1); 261 allocinfo(&s2); 262 allocinfo(&z); 263 } 264 getinfo(&s2, RUN); 265 copyinfo(&s2, &s1); 266 return(1); 267 } 268 269 void 270 fetchkre() 271 { 272 time_t now; 273 struct tm *tp; 274 static int d_first = -1; 275 276 if (d_first < 0) 277 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 278 279 time(&now); 280 tp = localtime(&now); 281 (void) strftime(buf, sizeof(buf), 282 d_first ? "%e %b %R" : "%b %e %R", tp); 283 getinfo(&s, state); 284 } 285 286 void 287 labelkre() 288 { 289 register int i, j; 290 291 clear(); 292 mvprintw(STATROW, STATCOL + 4, "users Load"); 293 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 294 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 295 mvprintw(MEMROW + 2, MEMCOL, "Act"); 296 mvprintw(MEMROW + 3, MEMCOL, "All"); 297 298 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 299 300 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 301 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 302 mvprintw(PAGEROW + 2, PAGECOL, "count"); 303 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 304 305 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 306 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 307 308 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 309 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 310 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 311 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 312 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 313 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 314 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 315 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 316 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 317 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 318 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 319 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 320 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 321 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 322 323 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 324 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 325 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes"); 326 327 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 328 329 mvprintw(GRAPHROW, GRAPHCOL, 330 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 331 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 332 mvprintw(GRAPHROW + 1, GRAPHCOL, 333 "| | | | | | | | | | |"); 334 335 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 336 mvprintw(NAMEIROW + 1, NAMEICOL, 337 " Calls hits %% hits %%"); 338 mvprintw(DISKROW, DISKCOL, "Disks"); 339 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 340 mvprintw(DISKROW + 2, DISKCOL, "tps"); 341 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 342 mvprintw(DISKROW + 4, DISKCOL, "%% busy"); 343 /* 344 * For now, we don't support a fourth disk statistic. So there's 345 * no point in providing a label for it. If someone can think of a 346 * fourth useful disk statistic, there is room to add it. 347 */ 348 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 349 j = 0; 350 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 351 if (dev_select[i].selected) { 352 char tmpstr[80]; 353 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 354 dev_select[i].unit_number); 355 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 356 " %5.5s", tmpstr); 357 j++; 358 } 359 360 if (j <= 4) { 361 /* 362 * room for extended VM stats 363 */ 364 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 365 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod"); 366 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 367 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 368 extended_vm_stats = 1; 369 } else { 370 extended_vm_stats = 0; 371 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 372 } 373 374 for (i = 0; i < nintr; i++) { 375 if (intrloc[i] == 0) 376 continue; 377 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 378 } 379 } 380 381 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 382 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 383 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 384 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 385 if(state == TIME) s1.nchstats.fld = t;} 386 #define PUTRATE(fld, l, c, w) \ 387 Y(fld); \ 388 putint((int)((float)s.fld/etime + 0.5), l, c, w) 389 #define MAXFAIL 5 390 391 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 392 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 393 CP_IDLE }; 394 395 void 396 showkre() 397 { 398 float f1, f2; 399 int psiz, inttotal; 400 int i, l, c; 401 static int failcnt = 0; 402 403 etime = 0; 404 for(i = 0; i < CPUSTATES; i++) { 405 X(time); 406 Q(cp_time); 407 etime += s.time[i]; 408 } 409 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 410 if (failcnt++ >= MAXFAIL) { 411 clear(); 412 mvprintw(2, 10, "The alternate system clock has died!"); 413 mvprintw(3, 10, "Reverting to ``pigs'' display."); 414 move(CMDLINE, 0); 415 refresh(); 416 failcnt = 0; 417 sleep(5); 418 command("pigs"); 419 } 420 return; 421 } 422 failcnt = 0; 423 etime /= hertz; 424 etime /= ncpu; 425 inttotal = 0; 426 for (i = 0; i < nintr; i++) { 427 if (s.intrcnt[i] == 0) 428 continue; 429 if (intrloc[i] == 0) { 430 if (nextintsrow == LINES) 431 continue; 432 intrloc[i] = nextintsrow++; 433 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 434 intrname[i]); 435 } 436 X(intrcnt); 437 l = (int)((float)s.intrcnt[i]/etime + 0.5); 438 inttotal += l; 439 putint(l, intrloc[i], INTSCOL + 2, 6); 440 } 441 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 442 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 443 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 444 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 445 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 446 if (state == TIME) 447 s1.nchcount = s.nchcount; 448 449 psiz = 0; 450 f2 = 0.0; 451 for (c = 0; c < CPUSTATES; c++) { 452 i = cpuorder[c]; 453 f1 = cputime(i); 454 f2 += f1; 455 l = (int) ((f2 + 1.0) / 2.0) - psiz; 456 if (f1 > 99.9) 457 f1 = 99.9; /* no room to display 100.0 */ 458 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 459 move(GRAPHROW + 2, psiz); 460 psiz += l; 461 while (l-- > 0) 462 addch(cpuchar[c]); 463 } 464 465 putint(ucount(), STATROW, STATCOL, 3); 466 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 467 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 468 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 469 mvaddstr(STATROW, STATCOL + 53, buf); 470 #define pgtokb(pg) ((pg) * cnt.v_page_size / 1024) 471 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 472 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 473 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 474 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 475 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 476 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 477 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 478 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 479 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 480 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 481 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 482 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 483 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 484 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 485 if (extended_vm_stats == 0) { 486 PUTRATE(Cnt.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 487 } 488 PUTRATE(Cnt.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 489 putint(pgtokb(cnt.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 490 putint(pgtokb(cnt.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 491 putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 492 putint(pgtokb(cnt.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 493 putint(pgtokb(cnt.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 494 PUTRATE(Cnt.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 495 PUTRATE(Cnt.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 496 PUTRATE(Cnt.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 497 PUTRATE(Cnt.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 498 PUTRATE(Cnt.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 499 PUTRATE(Cnt.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 500 501 if (extended_vm_stats) { 502 PUTRATE(Cnt.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 503 PUTRATE(Cnt.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 504 putint( 505 ((s.Cnt.v_ozfod < s.Cnt.v_zfod) ? 506 s.Cnt.v_ozfod * 100 / s.Cnt.v_zfod : 507 0 508 ), 509 VMSTATROW + 13, 510 VMSTATCOL - 16, 511 9 512 ); 513 PUTRATE(Cnt.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 514 } 515 516 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 517 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9); 518 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9); 519 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9); 520 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9); 521 PUTRATE(Cnt.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 522 PUTRATE(Cnt.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 523 PUTRATE(Cnt.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 524 PUTRATE(Cnt.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 525 PUTRATE(Cnt.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 526 PUTRATE(Cnt.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 527 PUTRATE(Cnt.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 528 PUTRATE(Cnt.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 529 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 530 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 531 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 532 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 533 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 534 PUTRATE(Cnt.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 535 mvprintw(DISKROW, DISKCOL + 5, " "); 536 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++) 537 if (dev_select[i].selected) { 538 char tmpstr[80]; 539 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 540 dev_select[i].unit_number); 541 mvprintw(DISKROW, DISKCOL + 5 + 6 * c, 542 " %5.5s", tmpstr); 543 switch(state) { 544 case TIME: 545 dinfo(i, ++c, &cur, &last); 546 break; 547 case RUN: 548 dinfo(i, ++c, &cur, &run); 549 break; 550 case BOOT: 551 dinfo(i, ++c, &cur, NULL); 552 break; 553 } 554 } 555 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 556 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 557 NAMEIROW + 2, NAMEICOL + 9, 9); 558 #define nz(x) ((x) ? (x) : 1) 559 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 560 100.0 / nz(s.nchcount), 561 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 562 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 563 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 564 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 565 #undef nz 566 } 567 568 int 569 cmdkre(cmd, args) 570 char *cmd, *args; 571 { 572 int retval; 573 574 if (prefix(cmd, "run")) { 575 retval = 1; 576 copyinfo(&s2, &s1); 577 switch (getdevs(&run)) { 578 case -1: 579 errx(1, "%s", devstat_errbuf); 580 break; 581 case 1: 582 num_devices = run.dinfo->numdevs; 583 generation = run.dinfo->generation; 584 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 585 if (retval == 2) 586 labelkre(); 587 break; 588 default: 589 break; 590 } 591 state = RUN; 592 return (retval); 593 } 594 if (prefix(cmd, "boot")) { 595 state = BOOT; 596 copyinfo(&z, &s1); 597 return (1); 598 } 599 if (prefix(cmd, "time")) { 600 state = TIME; 601 return (1); 602 } 603 if (prefix(cmd, "zero")) { 604 retval = 1; 605 if (state == RUN) { 606 getinfo(&s1, RUN); 607 switch (getdevs(&run)) { 608 case -1: 609 errx(1, "%s", devstat_errbuf); 610 break; 611 case 1: 612 num_devices = run.dinfo->numdevs; 613 generation = run.dinfo->generation; 614 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 615 if (retval == 2) 616 labelkre(); 617 break; 618 default: 619 break; 620 } 621 } 622 return (retval); 623 } 624 retval = dscmd(cmd, args, MAXDRIVES, &cur); 625 626 if (retval == 2) 627 labelkre(); 628 629 return(retval); 630 } 631 632 /* calculate number of users on the system */ 633 static int 634 ucount() 635 { 636 register int nusers = 0; 637 638 if (ut < 0) 639 return (0); 640 while (read(ut, &utmp, sizeof(utmp))) 641 if (utmp.ut_name[0] != '\0') 642 nusers++; 643 644 lseek(ut, 0L, L_SET); 645 return (nusers); 646 } 647 648 static float 649 cputime(indx) 650 int indx; 651 { 652 double t; 653 register int i; 654 655 t = 0; 656 for (i = 0; i < CPUSTATES; i++) 657 t += s.time[i]; 658 if (t == 0.0) 659 t = 1.0; 660 return (s.time[indx] * 100.0 / t); 661 } 662 663 static void 664 putint(n, l, c, w) 665 int n, l, c, w; 666 { 667 char b[128]; 668 669 move(l, c); 670 if (n == 0) { 671 while (w-- > 0) 672 addch(' '); 673 return; 674 } 675 snprintf(b, sizeof(b), "%*d", w, n); 676 if (strlen(b) > w) { 677 while (w-- > 0) 678 addch('*'); 679 return; 680 } 681 addstr(b); 682 } 683 684 static void 685 putfloat(f, l, c, w, d, nz) 686 double f; 687 int l, c, w, d, nz; 688 { 689 char b[128]; 690 691 move(l, c); 692 if (nz && f == 0.0) { 693 while (--w >= 0) 694 addch(' '); 695 return; 696 } 697 snprintf(b, sizeof(b), "%*.*f", w, d, f); 698 if (strlen(b) > w) 699 snprintf(b, sizeof(b), "%*.0f", w, f); 700 if (strlen(b) > w) { 701 while (--w >= 0) 702 addch('*'); 703 return; 704 } 705 addstr(b); 706 } 707 708 static void 709 putlongdouble(f, l, c, w, d, nz) 710 long double f; 711 int l, c, w, d, nz; 712 { 713 char b[128]; 714 715 move(l, c); 716 if (nz && f == 0.0) { 717 while (--w >= 0) 718 addch(' '); 719 return; 720 } 721 sprintf(b, "%*.*Lf", w, d, f); 722 if (strlen(b) > w) 723 sprintf(b, "%*.0Lf", w, f); 724 if (strlen(b) > w) { 725 while (--w >= 0) 726 addch('*'); 727 return; 728 } 729 addstr(b); 730 } 731 732 static void 733 getinfo(s, st) 734 struct Info *s; 735 enum state st; 736 { 737 struct devinfo *tmp_dinfo; 738 size_t size; 739 int mib[2]; 740 741 NREAD(X_CPTIME, s->time, sizeof s->time); 742 NREAD(X_CPTIME, cur.cp_time, sizeof(cur.cp_time)); 743 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt); 744 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace)); 745 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes)); 746 NREAD(X_NUMVNODES, &s->numvnodes, LONG); 747 NREAD(X_FREEVNODES, &s->freevnodes, LONG); 748 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats); 749 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 750 NREAD(X_NUMDIRTYBUFFERS, &s->numdirtybuffers, sizeof(s->numdirtybuffers)); 751 size = sizeof(s->Total); 752 mib[0] = CTL_VM; 753 mib[1] = VM_METER; 754 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 755 error("Can't get kernel info: %s\n", strerror(errno)); 756 bzero(&s->Total, sizeof(s->Total)); 757 } 758 size = sizeof(ncpu); 759 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0) 760 ncpu = 1; 761 762 tmp_dinfo = last.dinfo; 763 last.dinfo = cur.dinfo; 764 cur.dinfo = tmp_dinfo; 765 766 last.busy_time = cur.busy_time; 767 switch (getdevs(&cur)) { 768 case -1: 769 errx(1, "%s", devstat_errbuf); 770 break; 771 case 1: 772 num_devices = cur.dinfo->numdevs; 773 generation = cur.dinfo->generation; 774 cmdkre("refresh", NULL); 775 break; 776 default: 777 break; 778 } 779 } 780 781 static void 782 allocinfo(s) 783 struct Info *s; 784 { 785 786 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 787 if (s->intrcnt == NULL) 788 errx(2, "out of memory"); 789 } 790 791 static void 792 copyinfo(from, to) 793 register struct Info *from, *to; 794 { 795 long *intrcnt; 796 797 /* 798 * time, wds, seek, and xfer are malloc'd so we have to 799 * save the pointers before the structure copy and then 800 * copy by hand. 801 */ 802 intrcnt = to->intrcnt; 803 *to = *from; 804 805 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 806 } 807 808 static void 809 dinfo(dn, c, now, then) 810 int dn, c; 811 struct statinfo *now, *then; 812 { 813 long double transfers_per_second; 814 long double kb_per_transfer, mb_per_second; 815 long double elapsed_time, device_busy; 816 int di; 817 818 di = dev_select[dn].position; 819 820 elapsed_time = compute_etime(now->busy_time, then ? 821 then->busy_time : 822 now->dinfo->devices[di].dev_creation_time); 823 824 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 825 then->dinfo->devices[di].busy_time : 826 now->dinfo->devices[di].dev_creation_time); 827 828 if (compute_stats(&now->dinfo->devices[di], then ? 829 &then->dinfo->devices[di] : NULL, elapsed_time, 830 NULL, NULL, NULL, 831 &kb_per_transfer, &transfers_per_second, 832 &mb_per_second, NULL, NULL) != 0) 833 errx(1, "%s", devstat_errbuf); 834 835 if ((device_busy == 0) && (transfers_per_second > 5)) 836 /* the device has been 100% busy, fake it because 837 * as long as the device is 100% busy the busy_time 838 * field in the devstat struct is not updated */ 839 device_busy = elapsed_time; 840 if (device_busy > elapsed_time) 841 /* this normally happens after one or more periods 842 * where the device has been 100% busy, correct it */ 843 device_busy = elapsed_time; 844 845 c = DISKCOL + c * 6; 846 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0); 847 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0); 848 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0); 849 putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, c, 5, 0, 0); 850 } 851