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 "$FreeBSD$"; 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 u_int v_swtch; /* context switches */ 78 u_int v_trap; /* calls to trap */ 79 u_int v_syscall; /* calls to syscall() */ 80 u_int v_intr; /* device interrupts */ 81 u_int v_soft; /* software interrupts */ 82 /* 83 * Virtual memory activity. 84 */ 85 u_int v_vm_faults; /* number of address memory faults */ 86 u_int v_cow_faults; /* number of copy-on-writes */ 87 u_int v_zfod; /* pages zero filled on demand */ 88 u_int v_ozfod; /* optimized zero fill pages */ 89 u_int v_swapin; /* swap pager pageins */ 90 u_int v_swapout; /* swap pager pageouts */ 91 u_int v_swappgsin; /* swap pager pages paged in */ 92 u_int v_swappgsout; /* swap pager pages paged out */ 93 u_int v_vnodein; /* vnode pager pageins */ 94 u_int v_vnodeout; /* vnode pager pageouts */ 95 u_int v_vnodepgsin; /* vnode_pager pages paged in */ 96 u_int v_vnodepgsout; /* vnode pager pages paged out */ 97 u_int v_intrans; /* intransit blocking page faults */ 98 u_int v_reactivated; /* number of pages reactivated from free list */ 99 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */ 100 u_int v_pdpages; /* number of pages analyzed by daemon */ 101 102 u_int v_dfree; /* pages freed by daemon */ 103 u_int v_pfree; /* pages freed by exiting processes */ 104 u_int v_tfree; /* total pages freed */ 105 /* 106 * Distribution of page usages. 107 */ 108 u_int v_page_size; /* page size in bytes */ 109 u_int v_free_count; /* number of pages free */ 110 u_int v_wire_count; /* number of pages wired down */ 111 u_int v_active_count; /* number of pages active */ 112 u_int v_inactive_count; /* number of pages inactive */ 113 u_int v_cache_count; /* number of pages on buffer cache queue */ 114 struct vmtotal Total; 115 struct nchstats nchstats; 116 long nchcount; 117 long *intrcnt; 118 int bufspace; 119 int desiredvnodes; 120 long numvnodes; 121 long freevnodes; 122 int numdirtybuffers; 123 } s, s1, s2, z; 124 125 struct statinfo cur, last, run; 126 127 #define total s.Total 128 #define nchtotal s.nchstats 129 #define oldnchtotal s1.nchstats 130 131 static enum state { BOOT, TIME, RUN } state = TIME; 132 133 static void allocinfo __P((struct Info *)); 134 static void copyinfo __P((struct Info *, struct Info *)); 135 static float cputime __P((int)); 136 static void dinfo __P((int, int, struct statinfo *, struct statinfo *)); 137 static void getinfo __P((struct Info *, enum state)); 138 static void putint __P((int, int, int, int)); 139 static void putfloat __P((double, int, int, int, int, int)); 140 static void putlongdouble __P((long double, int, int, int, int, int)); 141 static int ucount __P((void)); 142 143 static int ncpu; 144 static int ut; 145 static char buf[26]; 146 static time_t t; 147 static double etime; 148 static int nintr; 149 static long *intrloc; 150 static char **intrname; 151 static int nextintsrow; 152 static int extended_vm_stats; 153 154 struct utmp utmp; 155 156 157 WINDOW * 158 openkre() 159 { 160 161 ut = open(_PATH_UTMP, O_RDONLY); 162 if (ut < 0) 163 error("No utmp"); 164 return (stdscr); 165 } 166 167 void 168 closekre(w) 169 WINDOW *w; 170 { 171 172 (void) close(ut); 173 if (w == NULL) 174 return; 175 wclear(w); 176 wrefresh(w); 177 } 178 179 /* 180 * These constants define where the major pieces are laid out 181 */ 182 #define STATROW 0 /* uses 1 row and 68 cols */ 183 #define STATCOL 2 184 #define MEMROW 2 /* uses 4 rows and 31 cols */ 185 #define MEMCOL 0 186 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 187 #define PAGECOL 46 188 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 189 #define INTSCOL 61 190 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 191 #define PROCSCOL 0 192 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 193 #define GENSTATCOL 20 194 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 195 #define VMSTATCOL 48 196 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 197 #define GRAPHCOL 0 198 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 199 #define NAMEICOL 0 200 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 201 #define DISKCOL 0 202 203 #define DRIVESPACE 7 /* max # for space */ 204 205 #define MAXDRIVES DRIVESPACE /* max # to display */ 206 207 int 208 initkre() 209 { 210 char *intrnamebuf, *cp; 211 int i; 212 213 if ((num_devices = getnumdevs()) < 0) { 214 warnx("%s", devstat_errbuf); 215 return(0); 216 } 217 218 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 219 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 220 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 221 bzero(cur.dinfo, sizeof(struct devinfo)); 222 bzero(last.dinfo, sizeof(struct devinfo)); 223 bzero(run.dinfo, sizeof(struct devinfo)); 224 225 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 226 return(0); 227 228 if (nintr == 0) { 229 GETSYSCTL("hw.nintr", nintr); 230 intrloc = calloc(nintr, sizeof (long)); 231 intrname = calloc(nintr, sizeof (long)); 232 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 233 if (intrnamebuf == NULL || intrname == NULL || 234 intrloc == NULL) { 235 error("Out of memory"); 236 if (intrnamebuf) 237 free(intrnamebuf); 238 if (intrname) 239 free(intrname); 240 if (intrloc) 241 free(intrloc); 242 nintr = 0; 243 return(0); 244 } 245 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 246 intrname[i] = cp; 247 cp += strlen(cp) + 1; 248 } 249 nextintsrow = INTSROW + 2; 250 allocinfo(&s); 251 allocinfo(&s1); 252 allocinfo(&s2); 253 allocinfo(&z); 254 } 255 getinfo(&s2, RUN); 256 copyinfo(&s2, &s1); 257 return(1); 258 } 259 260 void 261 fetchkre() 262 { 263 time_t now; 264 struct tm *tp; 265 static int d_first = -1; 266 267 if (d_first < 0) 268 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 269 270 time(&now); 271 tp = localtime(&now); 272 (void) strftime(buf, sizeof(buf), 273 d_first ? "%e %b %R" : "%b %e %R", tp); 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 + 1, VMSTATCOL + 10, "cow"); 300 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 301 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 302 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 303 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 304 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 305 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 306 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 307 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 308 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 309 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 310 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 311 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 312 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 313 314 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 315 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 316 mvprintw(VMSTATROW + 17, 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, "Disks"); 330 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 331 mvprintw(DISKROW + 2, DISKCOL, "tps"); 332 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 333 mvprintw(DISKROW + 4, DISKCOL, "%% busy"); 334 /* 335 * For now, we don't support a fourth disk statistic. So there's 336 * no point in providing a label for it. If someone can think of a 337 * fourth useful disk statistic, there is room to add it. 338 */ 339 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 340 j = 0; 341 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 342 if (dev_select[i].selected) { 343 char tmpstr[80]; 344 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 345 dev_select[i].unit_number); 346 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 347 " %5.5s", tmpstr); 348 j++; 349 } 350 351 if (j <= 4) { 352 /* 353 * room for extended VM stats 354 */ 355 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 356 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod"); 357 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 358 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 359 extended_vm_stats = 1; 360 } else { 361 extended_vm_stats = 0; 362 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 363 } 364 365 for (i = 0; i < nintr; i++) { 366 if (intrloc[i] == 0) 367 continue; 368 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 369 } 370 } 371 372 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 373 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 374 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 375 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 376 if(state == TIME) s1.nchstats.fld = t;} 377 #define PUTRATE(fld, l, c, w) \ 378 Y(fld); \ 379 putint((int)((float)s.fld/etime + 0.5), l, c, w) 380 #define MAXFAIL 5 381 382 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 383 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 384 CP_IDLE }; 385 386 void 387 showkre() 388 { 389 float f1, f2; 390 int psiz, inttotal; 391 int i, l, c; 392 static int failcnt = 0; 393 394 etime = 0; 395 for(i = 0; i < CPUSTATES; i++) { 396 X(time); 397 Q(cp_time); 398 etime += s.time[i]; 399 } 400 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 401 if (failcnt++ >= MAXFAIL) { 402 clear(); 403 mvprintw(2, 10, "The alternate system clock has died!"); 404 mvprintw(3, 10, "Reverting to ``pigs'' display."); 405 move(CMDLINE, 0); 406 refresh(); 407 failcnt = 0; 408 sleep(5); 409 command("pigs"); 410 } 411 return; 412 } 413 failcnt = 0; 414 etime /= hertz; 415 etime /= ncpu; 416 inttotal = 0; 417 for (i = 0; i < nintr; i++) { 418 if (s.intrcnt[i] == 0) 419 continue; 420 if (intrloc[i] == 0) { 421 if (nextintsrow == LINES) 422 continue; 423 intrloc[i] = nextintsrow++; 424 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 425 intrname[i]); 426 } 427 X(intrcnt); 428 l = (int)((float)s.intrcnt[i]/etime + 0.5); 429 inttotal += l; 430 putint(l, intrloc[i], INTSCOL + 2, 6); 431 } 432 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 433 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 434 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 435 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 436 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 437 if (state == TIME) 438 s1.nchcount = s.nchcount; 439 440 psiz = 0; 441 f2 = 0.0; 442 for (c = 0; c < CPUSTATES; c++) { 443 i = cpuorder[c]; 444 f1 = cputime(i); 445 f2 += f1; 446 l = (int) ((f2 + 1.0) / 2.0) - psiz; 447 if (f1 > 99.9) 448 f1 = 99.9; /* no room to display 100.0 */ 449 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 450 move(GRAPHROW + 2, psiz); 451 psiz += l; 452 while (l-- > 0) 453 addch(cpuchar[c]); 454 } 455 456 putint(ucount(), STATROW, STATCOL, 3); 457 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 458 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 459 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 460 mvaddstr(STATROW, STATCOL + 53, buf); 461 #define pgtokb(pg) ((pg) * s.v_page_size / 1024) 462 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 463 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 464 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 465 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 466 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 467 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 468 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 469 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 470 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 471 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 472 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 473 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 474 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 475 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 476 if (extended_vm_stats == 0) { 477 PUTRATE(v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 478 } 479 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 480 putint(pgtokb(s.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 481 putint(pgtokb(s.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 482 putint(pgtokb(s.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 483 putint(pgtokb(s.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 484 putint(pgtokb(s.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 485 PUTRATE(v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 486 PUTRATE(v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 487 PUTRATE(v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 488 PUTRATE(v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 489 PUTRATE(v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 490 PUTRATE(v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 491 492 if (extended_vm_stats) { 493 PUTRATE(v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 494 PUTRATE(v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 495 putint( 496 ((s.v_ozfod < s.v_zfod) ? 497 s.v_ozfod * 100 / s.v_zfod : 498 0 499 ), 500 VMSTATROW + 13, 501 VMSTATCOL - 16, 502 9 503 ); 504 PUTRATE(v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 505 } 506 507 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 508 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9); 509 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9); 510 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9); 511 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9); 512 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 513 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 514 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 515 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 516 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 517 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 518 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 519 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 520 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 521 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 522 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 523 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 524 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 525 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 526 mvprintw(DISKROW, DISKCOL + 5, " "); 527 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++) 528 if (dev_select[i].selected) { 529 char tmpstr[80]; 530 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 531 dev_select[i].unit_number); 532 mvprintw(DISKROW, DISKCOL + 5 + 6 * c, 533 " %5.5s", tmpstr); 534 switch(state) { 535 case TIME: 536 dinfo(i, ++c, &cur, &last); 537 break; 538 case RUN: 539 dinfo(i, ++c, &cur, &run); 540 break; 541 case BOOT: 542 dinfo(i, ++c, &cur, NULL); 543 break; 544 } 545 } 546 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 547 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 548 NAMEIROW + 2, NAMEICOL + 9, 9); 549 #define nz(x) ((x) ? (x) : 1) 550 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 551 100.0 / nz(s.nchcount), 552 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 553 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 554 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 555 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 556 #undef nz 557 } 558 559 int 560 cmdkre(cmd, args) 561 char *cmd, *args; 562 { 563 int retval; 564 565 if (prefix(cmd, "run")) { 566 retval = 1; 567 copyinfo(&s2, &s1); 568 switch (getdevs(&run)) { 569 case -1: 570 errx(1, "%s", devstat_errbuf); 571 break; 572 case 1: 573 num_devices = run.dinfo->numdevs; 574 generation = run.dinfo->generation; 575 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 576 if (retval == 2) 577 labelkre(); 578 break; 579 default: 580 break; 581 } 582 state = RUN; 583 return (retval); 584 } 585 if (prefix(cmd, "boot")) { 586 state = BOOT; 587 copyinfo(&z, &s1); 588 return (1); 589 } 590 if (prefix(cmd, "time")) { 591 state = TIME; 592 return (1); 593 } 594 if (prefix(cmd, "zero")) { 595 retval = 1; 596 if (state == RUN) { 597 getinfo(&s1, RUN); 598 switch (getdevs(&run)) { 599 case -1: 600 errx(1, "%s", devstat_errbuf); 601 break; 602 case 1: 603 num_devices = run.dinfo->numdevs; 604 generation = run.dinfo->generation; 605 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 606 if (retval == 2) 607 labelkre(); 608 break; 609 default: 610 break; 611 } 612 } 613 return (retval); 614 } 615 retval = dscmd(cmd, args, MAXDRIVES, &cur); 616 617 if (retval == 2) 618 labelkre(); 619 620 return(retval); 621 } 622 623 /* calculate number of users on the system */ 624 static int 625 ucount() 626 { 627 register int nusers = 0; 628 629 if (ut < 0) 630 return (0); 631 while (read(ut, &utmp, sizeof(utmp))) 632 if (utmp.ut_name[0] != '\0') 633 nusers++; 634 635 lseek(ut, 0L, L_SET); 636 return (nusers); 637 } 638 639 static float 640 cputime(indx) 641 int indx; 642 { 643 double t; 644 register int i; 645 646 t = 0; 647 for (i = 0; i < CPUSTATES; i++) 648 t += s.time[i]; 649 if (t == 0.0) 650 t = 1.0; 651 return (s.time[indx] * 100.0 / t); 652 } 653 654 static void 655 putint(n, l, c, w) 656 int n, l, c, w; 657 { 658 char b[128]; 659 660 move(l, c); 661 if (n == 0) { 662 while (w-- > 0) 663 addch(' '); 664 return; 665 } 666 snprintf(b, sizeof(b), "%*d", w, n); 667 if (strlen(b) > w) { 668 while (w-- > 0) 669 addch('*'); 670 return; 671 } 672 addstr(b); 673 } 674 675 static void 676 putfloat(f, l, c, w, d, nz) 677 double f; 678 int l, c, w, d, 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(f, l, c, w, d, nz) 701 long double f; 702 int l, c, w, d, nz; 703 { 704 char b[128]; 705 706 move(l, c); 707 if (nz && f == 0.0) { 708 while (--w >= 0) 709 addch(' '); 710 return; 711 } 712 sprintf(b, "%*.*Lf", w, d, f); 713 if (strlen(b) > w) 714 sprintf(b, "%*.0Lf", w, f); 715 if (strlen(b) > w) { 716 while (--w >= 0) 717 addch('*'); 718 return; 719 } 720 addstr(b); 721 } 722 723 static void 724 getinfo(s, st) 725 struct Info *s; 726 enum state st; 727 { 728 struct devinfo *tmp_dinfo; 729 size_t size; 730 int mib[2]; 731 732 GETSYSCTL("kern.cp_time", s->time); 733 GETSYSCTL("kern.cp_time", cur.cp_time); 734 GETSYSCTL("vm.stats.sys.v_swtch", s->v_swtch); 735 GETSYSCTL("vm.stats.sys.v_trap", s->v_trap); 736 GETSYSCTL("vm.stats.sys.v_syscall", s->v_syscall); 737 GETSYSCTL("vm.stats.sys.v_intr", s->v_intr); 738 GETSYSCTL("vm.stats.sys.v_soft", s->v_soft); 739 GETSYSCTL("vm.stats.vm.v_vm_faults", s->v_vm_faults); 740 GETSYSCTL("vm.stats.vm.v_cow_faults", s->v_cow_faults); 741 GETSYSCTL("vm.stats.vm.v_zfod", s->v_zfod); 742 GETSYSCTL("vm.stats.vm.v_ozfod", s->v_ozfod); 743 GETSYSCTL("vm.stats.vm.v_swapin", s->v_swapin); 744 GETSYSCTL("vm.stats.vm.v_swapout", s->v_swapout); 745 GETSYSCTL("vm.stats.vm.v_swappgsin", s->v_swappgsin); 746 GETSYSCTL("vm.stats.vm.v_swappgsout", s->v_swappgsout); 747 GETSYSCTL("vm.stats.vm.v_vnodein", s->v_vnodein); 748 GETSYSCTL("vm.stats.vm.v_vnodeout", s->v_vnodeout); 749 GETSYSCTL("vm.stats.vm.v_vnodepgsin", s->v_vnodepgsin); 750 GETSYSCTL("vm.stats.vm.v_vnodepgsout", s->v_vnodepgsout); 751 GETSYSCTL("vm.stats.vm.v_intrans", s->v_intrans); 752 GETSYSCTL("vm.stats.vm.v_reactivated", s->v_reactivated); 753 GETSYSCTL("vm.stats.vm.v_pdwakeups", s->v_pdwakeups); 754 GETSYSCTL("vm.stats.vm.v_pdpages", s->v_pdpages); 755 GETSYSCTL("vm.stats.vm.v_dfree", s->v_dfree); 756 GETSYSCTL("vm.stats.vm.v_pfree", s->v_pfree); 757 GETSYSCTL("vm.stats.vm.v_tfree", s->v_tfree); 758 GETSYSCTL("vm.stats.vm.v_page_size", s->v_page_size); 759 GETSYSCTL("vm.stats.vm.v_free_count", s->v_free_count); 760 GETSYSCTL("vm.stats.vm.v_wire_count", s->v_wire_count); 761 GETSYSCTL("vm.stats.vm.v_active_count", s->v_active_count); 762 GETSYSCTL("vm.stats.vm.v_inactive_count", s->v_inactive_count); 763 GETSYSCTL("vm.stats.vm.v_cache_count", s->v_cache_count); 764 GETSYSCTL("vfs.bufspace", s->bufspace); 765 GETSYSCTL("kern.maxvnodes", s->desiredvnodes); 766 GETSYSCTL("debug.numvnodes", s->numvnodes); 767 GETSYSCTL("debug.freevnodes", s->freevnodes); 768 GETSYSCTL("vfs.cache.nchstats", s->nchstats); 769 GETSYSCTL("vfs.numdirtybuffers", s->numdirtybuffers); 770 getsysctl("hw.intrcnt", s->intrcnt, nintr * LONG); 771 772 size = sizeof(s->Total); 773 mib[0] = CTL_VM; 774 mib[1] = VM_METER; 775 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 776 error("Can't get kernel info: %s\n", strerror(errno)); 777 bzero(&s->Total, sizeof(s->Total)); 778 } 779 size = sizeof(ncpu); 780 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 781 size != sizeof(ncpu)) 782 ncpu = 1; 783 784 tmp_dinfo = last.dinfo; 785 last.dinfo = cur.dinfo; 786 cur.dinfo = tmp_dinfo; 787 788 last.busy_time = cur.busy_time; 789 switch (getdevs(&cur)) { 790 case -1: 791 errx(1, "%s", devstat_errbuf); 792 break; 793 case 1: 794 num_devices = cur.dinfo->numdevs; 795 generation = cur.dinfo->generation; 796 cmdkre("refresh", NULL); 797 break; 798 default: 799 break; 800 } 801 } 802 803 static void 804 allocinfo(s) 805 struct Info *s; 806 { 807 808 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 809 if (s->intrcnt == NULL) 810 errx(2, "out of memory"); 811 } 812 813 static void 814 copyinfo(from, to) 815 register struct Info *from, *to; 816 { 817 long *intrcnt; 818 819 /* 820 * time, wds, seek, and xfer are malloc'd so we have to 821 * save the pointers before the structure copy and then 822 * copy by hand. 823 */ 824 intrcnt = to->intrcnt; 825 *to = *from; 826 827 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 828 } 829 830 static void 831 dinfo(dn, c, now, then) 832 int dn, c; 833 struct statinfo *now, *then; 834 { 835 long double transfers_per_second; 836 long double kb_per_transfer, mb_per_second; 837 long double elapsed_time, device_busy; 838 int di; 839 840 di = dev_select[dn].position; 841 842 elapsed_time = compute_etime(now->busy_time, then ? 843 then->busy_time : 844 now->dinfo->devices[di].dev_creation_time); 845 846 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 847 then->dinfo->devices[di].busy_time : 848 now->dinfo->devices[di].dev_creation_time); 849 850 if (compute_stats(&now->dinfo->devices[di], then ? 851 &then->dinfo->devices[di] : NULL, elapsed_time, 852 NULL, NULL, NULL, 853 &kb_per_transfer, &transfers_per_second, 854 &mb_per_second, NULL, NULL) != 0) 855 errx(1, "%s", devstat_errbuf); 856 857 if ((device_busy == 0) && (transfers_per_second > 5)) 858 /* the device has been 100% busy, fake it because 859 * as long as the device is 100% busy the busy_time 860 * field in the devstat struct is not updated */ 861 device_busy = elapsed_time; 862 if (device_busy > elapsed_time) 863 /* this normally happens after one or more periods 864 * where the device has been 100% busy, correct it */ 865 device_busy = elapsed_time; 866 867 c = DISKCOL + c * 6; 868 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0); 869 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0); 870 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0); 871 putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, c, 5, 0, 0); 872 } 873