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 "$Id: vmstat.c,v 1.29 1998/10/08 09:56:10 obrien 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 74 static 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 87 struct 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 95 static enum state { BOOT, TIME, RUN } state = TIME; 96 97 static void allocinfo __P((struct Info *)); 98 static void copyinfo __P((struct Info *, struct Info *)); 99 static float cputime __P((int)); 100 static void dinfo __P((int, int, struct statinfo *, struct statinfo *)); 101 static void getinfo __P((struct Info *, enum state)); 102 static void putint __P((int, int, int, int)); 103 static void putfloat __P((double, int, int, int, int, int)); 104 static void putlongdouble __P((long double, int, int, int, int, int)); 105 static int ucount __P((void)); 106 107 static int ncpu; 108 static int ut; 109 static char buf[26]; 110 static time_t t; 111 static double etime; 112 static int nintr; 113 static long *intrloc; 114 static char **intrname; 115 static int nextintsrow; 116 117 struct utmp utmp; 118 119 120 WINDOW * 121 openkre() 122 { 123 124 ut = open(_PATH_UTMP, O_RDONLY); 125 if (ut < 0) 126 error("No utmp"); 127 return (stdscr); 128 } 129 130 void 131 closekre(w) 132 WINDOW *w; 133 { 134 135 (void) close(ut); 136 if (w == NULL) 137 return; 138 wclear(w); 139 wrefresh(w); 140 } 141 142 143 static struct nlist namelist[] = { 144 #define X_CPTIME 0 145 { "_cp_time" }, 146 #define X_CNT 1 147 { "_cnt" }, 148 #define X_BUFFERSPACE 2 149 { "_bufspace" }, 150 #define X_NCHSTATS 3 151 { "_nchstats" }, 152 #define X_INTRNAMES 4 153 { "_intrnames" }, 154 #define X_EINTRNAMES 5 155 { "_eintrnames" }, 156 #define X_INTRCNT 6 157 { "_intrcnt" }, 158 #define X_EINTRCNT 7 159 { "_eintrcnt" }, 160 #define X_DESIREDVNODES 8 161 { "_desiredvnodes" }, 162 #define X_NUMVNODES 9 163 { "_numvnodes" }, 164 #define X_FREEVNODES 10 165 { "_freevnodes" }, 166 { "" }, 167 }; 168 169 /* 170 * These constants define where the major pieces are laid out 171 */ 172 #define STATROW 0 /* uses 1 row and 68 cols */ 173 #define STATCOL 2 174 #define MEMROW 2 /* uses 4 rows and 31 cols */ 175 #define MEMCOL 0 176 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 177 #define PAGECOL 46 178 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 179 #define INTSCOL 61 180 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 181 #define PROCSCOL 0 182 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 183 #define GENSTATCOL 20 184 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 185 #define VMSTATCOL 48 186 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 187 #define GRAPHCOL 0 188 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 189 #define NAMEICOL 0 190 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 191 #define DISKCOL 0 192 193 #define DRIVESPACE 7 /* max # for space */ 194 195 #define MAXDRIVES DRIVESPACE /* max # to display */ 196 197 int 198 initkre() 199 { 200 char *intrnamebuf, *cp; 201 int i; 202 203 if (namelist[0].n_type == 0) { 204 if (kvm_nlist(kd, namelist)) { 205 nlisterr(namelist); 206 return(0); 207 } 208 if (namelist[0].n_type == 0) { 209 error("No namelist"); 210 return(0); 211 } 212 } 213 214 if (num_devices = getnumdevs() < 0) { 215 warnx("%s", devstat_errbuf); 216 return(0); 217 } 218 219 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 220 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 221 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 222 bzero(cur.dinfo, sizeof(struct devinfo)); 223 bzero(last.dinfo, sizeof(struct devinfo)); 224 bzero(run.dinfo, sizeof(struct devinfo)); 225 226 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 227 return(0); 228 229 if (nintr == 0) { 230 nintr = (namelist[X_EINTRCNT].n_value - 231 namelist[X_INTRCNT].n_value) / sizeof (long); 232 intrloc = calloc(nintr, sizeof (long)); 233 intrname = calloc(nintr, sizeof (long)); 234 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value - 235 namelist[X_INTRNAMES].n_value); 236 if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) { 237 error("Out of memory\n"); 238 if (intrnamebuf) 239 free(intrnamebuf); 240 if (intrname) 241 free(intrname); 242 if (intrloc) 243 free(intrloc); 244 nintr = 0; 245 return(0); 246 } 247 NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) - 248 NVAL(X_INTRNAMES)); 249 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 250 intrname[i] = cp; 251 cp += strlen(cp) + 1; 252 } 253 nextintsrow = INTSROW + 2; 254 allocinfo(&s); 255 allocinfo(&s1); 256 allocinfo(&s2); 257 allocinfo(&z); 258 } 259 getinfo(&s2, RUN); 260 copyinfo(&s2, &s1); 261 return(1); 262 } 263 264 void 265 fetchkre() 266 { 267 time_t now; 268 struct tm *tp; 269 270 time(&now); 271 tp = localtime(&now); 272 (void) strftime(buf, sizeof(buf), "%c", tp); 273 buf[16] = '\0'; 274 getinfo(&s, state); 275 } 276 277 void 278 labelkre() 279 { 280 register int i, j; 281 282 clear(); 283 mvprintw(STATROW, STATCOL + 4, "users Load"); 284 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 285 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 286 mvprintw(MEMROW + 2, MEMCOL, "Act"); 287 mvprintw(MEMROW + 3, MEMCOL, "All"); 288 289 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 290 291 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 292 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 293 mvprintw(PAGEROW + 2, PAGECOL, "count"); 294 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 295 296 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 297 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 298 299 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "cow"); 300 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "zfod"); 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 for (i = 0; i < nintr; i++) { 350 if (intrloc[i] == 0) 351 continue; 352 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 353 } 354 } 355 356 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 357 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 358 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 359 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 360 if(state == TIME) s1.nchstats.fld = t;} 361 #define PUTRATE(fld, l, c, w) \ 362 Y(fld); \ 363 putint((int)((float)s.fld/etime + 0.5), l, c, w) 364 #define MAXFAIL 5 365 366 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 367 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 368 CP_IDLE }; 369 370 void 371 showkre() 372 { 373 float f1, f2; 374 int psiz, inttotal; 375 int i, l, c; 376 static int failcnt = 0; 377 378 etime = 0; 379 for(i = 0; i < CPUSTATES; i++) { 380 X(time); 381 Q(cp_time); 382 etime += s.time[i]; 383 } 384 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 385 if (failcnt++ >= MAXFAIL) { 386 clear(); 387 mvprintw(2, 10, "The alternate system clock has died!"); 388 mvprintw(3, 10, "Reverting to ``pigs'' display."); 389 move(CMDLINE, 0); 390 refresh(); 391 failcnt = 0; 392 sleep(5); 393 command("pigs"); 394 } 395 return; 396 } 397 failcnt = 0; 398 etime /= hertz; 399 etime /= ncpu; 400 inttotal = 0; 401 for (i = 0; i < nintr; i++) { 402 if (s.intrcnt[i] == 0) 403 continue; 404 if (intrloc[i] == 0) { 405 if (nextintsrow == LINES) 406 continue; 407 intrloc[i] = nextintsrow++; 408 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 409 intrname[i]); 410 } 411 X(intrcnt); 412 l = (int)((float)s.intrcnt[i]/etime + 0.5); 413 inttotal += l; 414 putint(l, intrloc[i], INTSCOL + 2, 6); 415 } 416 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 417 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 418 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 419 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 420 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 421 if (state == TIME) 422 s1.nchcount = s.nchcount; 423 424 psiz = 0; 425 f2 = 0.0; 426 for (c = 0; c < CPUSTATES; c++) { 427 i = cpuorder[c]; 428 f1 = cputime(i); 429 f2 += f1; 430 l = (int) ((f2 + 1.0) / 2.0) - psiz; 431 if (f1 > 99.9) 432 f1 = 99.9; /* no room to display 100.0 */ 433 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 434 move(GRAPHROW + 2, psiz); 435 psiz += l; 436 while (l-- > 0) 437 addch(cpuchar[c]); 438 } 439 440 putint(ucount(), STATROW, STATCOL, 3); 441 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 442 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 443 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 444 mvaddstr(STATROW, STATCOL + 53, buf); 445 #define pgtokb(pg) ((pg) * cnt.v_page_size / 1024) 446 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 447 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 448 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 449 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 450 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 451 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 452 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 453 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 454 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 455 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 456 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 457 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 458 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 459 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 460 PUTRATE(Cnt.v_cow_faults, VMSTATROW + 0, VMSTATCOL + 3, 6); 461 PUTRATE(Cnt.v_zfod, VMSTATROW + 1, VMSTATCOL + 4, 5); 462 putint(pgtokb(cnt.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 463 putint(pgtokb(cnt.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 464 putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 465 putint(pgtokb(cnt.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 466 putint(pgtokb(cnt.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 467 PUTRATE(Cnt.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 468 PUTRATE(Cnt.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 469 PUTRATE(Cnt.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 470 PUTRATE(Cnt.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 471 PUTRATE(Cnt.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 472 PUTRATE(Cnt.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 473 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 474 putint(s.desiredvnodes, VMSTATROW + 14, VMSTATCOL, 9); 475 putint(s.numvnodes, VMSTATROW + 15, VMSTATCOL, 9); 476 putint(s.freevnodes, VMSTATROW + 16, VMSTATCOL, 9); 477 PUTRATE(Cnt.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 478 PUTRATE(Cnt.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 479 PUTRATE(Cnt.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 480 PUTRATE(Cnt.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 481 PUTRATE(Cnt.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 482 PUTRATE(Cnt.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 483 PUTRATE(Cnt.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 484 PUTRATE(Cnt.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 485 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 486 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 487 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 488 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 489 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 490 PUTRATE(Cnt.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 491 mvprintw(DISKROW, DISKCOL + 5, " "); 492 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++) 493 if (dev_select[i].selected) { 494 char tmpstr[80]; 495 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 496 dev_select[i].unit_number); 497 mvprintw(DISKROW, DISKCOL + 5 + 6 * c, 498 " %5.5s", tmpstr); 499 switch(state) { 500 case TIME: 501 dinfo(i, ++c, &cur, &last); 502 break; 503 case RUN: 504 dinfo(i, ++c, &cur, &run); 505 break; 506 case BOOT: 507 dinfo(i, ++c, &cur, NULL); 508 break; 509 } 510 } 511 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 512 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 513 NAMEIROW + 2, NAMEICOL + 9, 9); 514 #define nz(x) ((x) ? (x) : 1) 515 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 516 100.0 / nz(s.nchcount), 517 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 518 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 519 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 520 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 521 #undef nz 522 } 523 524 int 525 cmdkre(cmd, args) 526 char *cmd, *args; 527 { 528 int retval; 529 530 if (prefix(cmd, "run")) { 531 retval = 1; 532 copyinfo(&s2, &s1); 533 switch (getdevs(&run)) { 534 case -1: 535 errx(1, "%s", devstat_errbuf); 536 break; 537 case 1: 538 num_devices = run.dinfo->numdevs; 539 generation = run.dinfo->generation; 540 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 541 if (retval == 2) 542 labelkre(); 543 break; 544 default: 545 break; 546 } 547 state = RUN; 548 return (retval); 549 } 550 if (prefix(cmd, "boot")) { 551 state = BOOT; 552 copyinfo(&z, &s1); 553 return (1); 554 } 555 if (prefix(cmd, "time")) { 556 state = TIME; 557 return (1); 558 } 559 if (prefix(cmd, "zero")) { 560 retval = 1; 561 if (state == RUN) { 562 getinfo(&s1, RUN); 563 switch (getdevs(&run)) { 564 case -1: 565 errx(1, "%s", devstat_errbuf); 566 break; 567 case 1: 568 num_devices = run.dinfo->numdevs; 569 generation = run.dinfo->generation; 570 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 571 if (retval == 2) 572 labelkre(); 573 break; 574 default: 575 break; 576 } 577 } 578 return (retval); 579 } 580 retval = dscmd(cmd, args, MAXDRIVES, &cur); 581 582 if (retval == 2) 583 labelkre(); 584 585 return(retval); 586 } 587 588 /* calculate number of users on the system */ 589 static int 590 ucount() 591 { 592 register int nusers = 0; 593 594 if (ut < 0) 595 return (0); 596 while (read(ut, &utmp, sizeof(utmp))) 597 if (utmp.ut_name[0] != '\0') 598 nusers++; 599 600 lseek(ut, 0L, L_SET); 601 return (nusers); 602 } 603 604 static float 605 cputime(indx) 606 int indx; 607 { 608 double t; 609 register int i; 610 611 t = 0; 612 for (i = 0; i < CPUSTATES; i++) 613 t += s.time[i]; 614 if (t == 0.0) 615 t = 1.0; 616 return (s.time[indx] * 100.0 / t); 617 } 618 619 static void 620 putint(n, l, c, w) 621 int n, l, c, w; 622 { 623 char b[128]; 624 625 move(l, c); 626 if (n == 0) { 627 while (w-- > 0) 628 addch(' '); 629 return; 630 } 631 snprintf(b, sizeof(b), "%*d", w, n); 632 if (strlen(b) > w) { 633 while (w-- > 0) 634 addch('*'); 635 return; 636 } 637 addstr(b); 638 } 639 640 static void 641 putfloat(f, l, c, w, d, nz) 642 double f; 643 int l, c, w, d, nz; 644 { 645 char b[128]; 646 647 move(l, c); 648 if (nz && f == 0.0) { 649 while (--w >= 0) 650 addch(' '); 651 return; 652 } 653 snprintf(b, sizeof(b), "%*.*f", w, d, f); 654 if (strlen(b) > w) { 655 while (--w >= 0) 656 addch('*'); 657 return; 658 } 659 addstr(b); 660 } 661 662 static void 663 putlongdouble(f, l, c, w, d, nz) 664 long double f; 665 int l, c, w, d, nz; 666 { 667 char b[128]; 668 669 move(l, c); 670 if (nz && f == 0.0) { 671 while (--w >= 0) 672 addch(' '); 673 return; 674 } 675 sprintf(b, "%*.*Lf", w, d, f); 676 if (strlen(b) > w) { 677 while (--w >= 0) 678 addch('*'); 679 return; 680 } 681 addstr(b); 682 } 683 684 static void 685 getinfo(s, st) 686 struct Info *s; 687 enum state st; 688 { 689 struct devinfo *tmp_dinfo; 690 int mib[2], size; 691 extern int errno; 692 693 NREAD(X_CPTIME, s->time, sizeof s->time); 694 NREAD(X_CPTIME, cur.cp_time, sizeof(cur.cp_time)); 695 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt); 696 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace)); 697 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes)); 698 NREAD(X_NUMVNODES, &s->numvnodes, LONG); 699 NREAD(X_FREEVNODES, &s->freevnodes, LONG); 700 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats); 701 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 702 size = sizeof(s->Total); 703 mib[0] = CTL_VM; 704 mib[1] = VM_METER; 705 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 706 error("Can't get kernel info: %s\n", strerror(errno)); 707 bzero(&s->Total, sizeof(s->Total)); 708 } 709 size = sizeof(ncpu); 710 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0) 711 ncpu = 1; 712 713 tmp_dinfo = last.dinfo; 714 last.dinfo = cur.dinfo; 715 cur.dinfo = tmp_dinfo; 716 717 last.busy_time = cur.busy_time; 718 switch (getdevs(&cur)) { 719 case -1: 720 errx(1, "%s", devstat_errbuf); 721 break; 722 case 1: 723 num_devices = cur.dinfo->numdevs; 724 generation = cur.dinfo->generation; 725 cmdkre("refresh", NULL); 726 break; 727 default: 728 break; 729 } 730 } 731 732 static void 733 allocinfo(s) 734 struct Info *s; 735 { 736 737 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 738 if (s->intrcnt == NULL) 739 errx(2, "out of memory"); 740 } 741 742 static void 743 copyinfo(from, to) 744 register struct Info *from, *to; 745 { 746 long *intrcnt; 747 748 /* 749 * time, wds, seek, and xfer are malloc'd so we have to 750 * save the pointers before the structure copy and then 751 * copy by hand. 752 */ 753 intrcnt = to->intrcnt; 754 *to = *from; 755 756 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 757 } 758 759 static void 760 dinfo(dn, c, now, then) 761 int dn, c; 762 struct statinfo *now, *then; 763 { 764 long double transfers_per_second; 765 long double kb_per_transfer, mb_per_second; 766 long double busy_seconds; 767 int di; 768 769 di = dev_select[dn].position; 770 771 busy_seconds = compute_etime(now->busy_time, then ? 772 then->busy_time : 773 now->dinfo->devices[di].dev_creation_time); 774 775 if (compute_stats(&now->dinfo->devices[di], then ? 776 &then->dinfo->devices[di] : NULL, busy_seconds, 777 NULL, NULL, NULL, 778 &kb_per_transfer, &transfers_per_second, 779 &mb_per_second, NULL, NULL) != 0) 780 errx(1, "%s", devstat_errbuf); 781 782 c = DISKCOL + c * 6; 783 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0); 784 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0); 785 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0); 786 } 787