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 size_t sz; 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 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 231 error("sysctl(hw.intrcnt...) failed: %s", 232 strerror(errno)); 233 return (0); 234 } 235 nintr = sz / sizeof(u_long); 236 intrloc = calloc(nintr, sizeof (long)); 237 intrname = calloc(nintr, sizeof (char *)); 238 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 239 if (intrnamebuf == NULL || intrname == NULL || 240 intrloc == NULL) { 241 error("Out of memory"); 242 if (intrnamebuf) 243 free(intrnamebuf); 244 if (intrname) 245 free(intrname); 246 if (intrloc) 247 free(intrloc); 248 nintr = 0; 249 return(0); 250 } 251 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 252 intrname[i] = cp; 253 cp += strlen(cp) + 1; 254 } 255 nextintsrow = INTSROW + 2; 256 allocinfo(&s); 257 allocinfo(&s1); 258 allocinfo(&s2); 259 allocinfo(&z); 260 } 261 getinfo(&s2, RUN); 262 copyinfo(&s2, &s1); 263 return(1); 264 } 265 266 void 267 fetchkre() 268 { 269 time_t now; 270 struct tm *tp; 271 static int d_first = -1; 272 273 if (d_first < 0) 274 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 275 276 time(&now); 277 tp = localtime(&now); 278 (void) strftime(buf, sizeof(buf), 279 d_first ? "%e %b %R" : "%b %e %R", tp); 280 getinfo(&s, state); 281 } 282 283 void 284 labelkre() 285 { 286 register int i, j; 287 288 clear(); 289 mvprintw(STATROW, STATCOL + 4, "users Load"); 290 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 291 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 292 mvprintw(MEMROW + 2, MEMCOL, "Act"); 293 mvprintw(MEMROW + 3, MEMCOL, "All"); 294 295 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 296 297 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 298 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 299 mvprintw(PAGEROW + 2, PAGECOL, "count"); 300 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 301 302 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 303 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 304 305 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 306 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 307 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 308 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 309 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 310 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 311 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 312 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 313 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 314 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 315 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 316 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 317 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 318 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 319 320 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 321 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 322 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes"); 323 324 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 325 326 mvprintw(GRAPHROW, GRAPHCOL, 327 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 328 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 329 mvprintw(GRAPHROW + 1, GRAPHCOL, 330 "| | | | | | | | | | |"); 331 332 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 333 mvprintw(NAMEIROW + 1, NAMEICOL, 334 " Calls hits %% hits %%"); 335 mvprintw(DISKROW, DISKCOL, "Disks"); 336 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 337 mvprintw(DISKROW + 2, DISKCOL, "tps"); 338 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 339 mvprintw(DISKROW + 4, DISKCOL, "%% busy"); 340 /* 341 * For now, we don't support a fourth disk statistic. So there's 342 * no point in providing a label for it. If someone can think of a 343 * fourth useful disk statistic, there is room to add it. 344 */ 345 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 346 j = 0; 347 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 348 if (dev_select[i].selected) { 349 char tmpstr[80]; 350 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 351 dev_select[i].unit_number); 352 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 353 " %5.5s", tmpstr); 354 j++; 355 } 356 357 if (j <= 4) { 358 /* 359 * room for extended VM stats 360 */ 361 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 362 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod"); 363 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 364 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 365 extended_vm_stats = 1; 366 } else { 367 extended_vm_stats = 0; 368 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 369 } 370 371 for (i = 0; i < nintr; i++) { 372 if (intrloc[i] == 0) 373 continue; 374 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 375 } 376 } 377 378 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 379 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 380 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 381 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 382 if(state == TIME) s1.nchstats.fld = t;} 383 #define PUTRATE(fld, l, c, w) \ 384 Y(fld); \ 385 putint((int)((float)s.fld/etime + 0.5), l, c, w) 386 #define MAXFAIL 5 387 388 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 389 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 390 CP_IDLE }; 391 392 void 393 showkre() 394 { 395 float f1, f2; 396 int psiz, inttotal; 397 int i, l, c; 398 static int failcnt = 0; 399 400 etime = 0; 401 for(i = 0; i < CPUSTATES; i++) { 402 X(time); 403 Q(cp_time); 404 etime += s.time[i]; 405 } 406 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 407 if (failcnt++ >= MAXFAIL) { 408 clear(); 409 mvprintw(2, 10, "The alternate system clock has died!"); 410 mvprintw(3, 10, "Reverting to ``pigs'' display."); 411 move(CMDLINE, 0); 412 refresh(); 413 failcnt = 0; 414 sleep(5); 415 command("pigs"); 416 } 417 return; 418 } 419 failcnt = 0; 420 etime /= hertz; 421 etime /= ncpu; 422 inttotal = 0; 423 for (i = 0; i < nintr; i++) { 424 if (s.intrcnt[i] == 0) 425 continue; 426 if (intrloc[i] == 0) { 427 if (nextintsrow == LINES) 428 continue; 429 intrloc[i] = nextintsrow++; 430 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 431 intrname[i]); 432 } 433 X(intrcnt); 434 l = (int)((float)s.intrcnt[i]/etime + 0.5); 435 inttotal += l; 436 putint(l, intrloc[i], INTSCOL + 2, 6); 437 } 438 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 439 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 440 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 441 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 442 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 443 if (state == TIME) 444 s1.nchcount = s.nchcount; 445 446 psiz = 0; 447 f2 = 0.0; 448 for (c = 0; c < CPUSTATES; c++) { 449 i = cpuorder[c]; 450 f1 = cputime(i); 451 f2 += f1; 452 l = (int) ((f2 + 1.0) / 2.0) - psiz; 453 if (f1 > 99.9) 454 f1 = 99.9; /* no room to display 100.0 */ 455 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 456 move(GRAPHROW + 2, psiz); 457 psiz += l; 458 while (l-- > 0) 459 addch(cpuchar[c]); 460 } 461 462 putint(ucount(), STATROW, STATCOL, 3); 463 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 464 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 465 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 466 mvaddstr(STATROW, STATCOL + 53, buf); 467 #define pgtokb(pg) ((pg) * s.v_page_size / 1024) 468 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 469 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 470 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 471 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 472 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 473 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 474 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 475 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 476 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 477 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 478 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 479 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 480 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 481 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 482 if (extended_vm_stats == 0) { 483 PUTRATE(v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 484 } 485 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 486 putint(pgtokb(s.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 487 putint(pgtokb(s.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 488 putint(pgtokb(s.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 489 putint(pgtokb(s.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 490 putint(pgtokb(s.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 491 PUTRATE(v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 492 PUTRATE(v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 493 PUTRATE(v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 494 PUTRATE(v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 495 PUTRATE(v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 496 PUTRATE(v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 497 498 if (extended_vm_stats) { 499 PUTRATE(v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 500 PUTRATE(v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 501 putint( 502 ((s.v_ozfod < s.v_zfod) ? 503 s.v_ozfod * 100 / s.v_zfod : 504 0 505 ), 506 VMSTATROW + 13, 507 VMSTATCOL - 16, 508 9 509 ); 510 PUTRATE(v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 511 } 512 513 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 514 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9); 515 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9); 516 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9); 517 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9); 518 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 519 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 520 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 521 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 522 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 523 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 524 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 525 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 526 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 527 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 528 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 529 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 530 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 531 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 532 mvprintw(DISKROW, DISKCOL + 5, " "); 533 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++) 534 if (dev_select[i].selected) { 535 char tmpstr[80]; 536 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 537 dev_select[i].unit_number); 538 mvprintw(DISKROW, DISKCOL + 5 + 6 * c, 539 " %5.5s", tmpstr); 540 switch(state) { 541 case TIME: 542 dinfo(i, ++c, &cur, &last); 543 break; 544 case RUN: 545 dinfo(i, ++c, &cur, &run); 546 break; 547 case BOOT: 548 dinfo(i, ++c, &cur, NULL); 549 break; 550 } 551 } 552 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 553 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 554 NAMEIROW + 2, NAMEICOL + 9, 9); 555 #define nz(x) ((x) ? (x) : 1) 556 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 557 100.0 / nz(s.nchcount), 558 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 559 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 560 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 561 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 562 #undef nz 563 } 564 565 int 566 cmdkre(cmd, args) 567 char *cmd, *args; 568 { 569 int retval; 570 571 if (prefix(cmd, "run")) { 572 retval = 1; 573 copyinfo(&s2, &s1); 574 switch (getdevs(&run)) { 575 case -1: 576 errx(1, "%s", devstat_errbuf); 577 break; 578 case 1: 579 num_devices = run.dinfo->numdevs; 580 generation = run.dinfo->generation; 581 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 582 if (retval == 2) 583 labelkre(); 584 break; 585 default: 586 break; 587 } 588 state = RUN; 589 return (retval); 590 } 591 if (prefix(cmd, "boot")) { 592 state = BOOT; 593 copyinfo(&z, &s1); 594 return (1); 595 } 596 if (prefix(cmd, "time")) { 597 state = TIME; 598 return (1); 599 } 600 if (prefix(cmd, "zero")) { 601 retval = 1; 602 if (state == RUN) { 603 getinfo(&s1, RUN); 604 switch (getdevs(&run)) { 605 case -1: 606 errx(1, "%s", devstat_errbuf); 607 break; 608 case 1: 609 num_devices = run.dinfo->numdevs; 610 generation = run.dinfo->generation; 611 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 612 if (retval == 2) 613 labelkre(); 614 break; 615 default: 616 break; 617 } 618 } 619 return (retval); 620 } 621 retval = dscmd(cmd, args, MAXDRIVES, &cur); 622 623 if (retval == 2) 624 labelkre(); 625 626 return(retval); 627 } 628 629 /* calculate number of users on the system */ 630 static int 631 ucount() 632 { 633 register int nusers = 0; 634 635 if (ut < 0) 636 return (0); 637 while (read(ut, &utmp, sizeof(utmp))) 638 if (utmp.ut_name[0] != '\0') 639 nusers++; 640 641 lseek(ut, 0L, L_SET); 642 return (nusers); 643 } 644 645 static float 646 cputime(indx) 647 int indx; 648 { 649 double t; 650 register int i; 651 652 t = 0; 653 for (i = 0; i < CPUSTATES; i++) 654 t += s.time[i]; 655 if (t == 0.0) 656 t = 1.0; 657 return (s.time[indx] * 100.0 / t); 658 } 659 660 static void 661 putint(n, l, c, w) 662 int n, l, c, w; 663 { 664 char b[128]; 665 666 move(l, c); 667 if (n == 0) { 668 while (w-- > 0) 669 addch(' '); 670 return; 671 } 672 snprintf(b, sizeof(b), "%*d", w, n); 673 if (strlen(b) > w) { 674 while (w-- > 0) 675 addch('*'); 676 return; 677 } 678 addstr(b); 679 } 680 681 static void 682 putfloat(f, l, c, w, d, nz) 683 double f; 684 int l, c, w, d, nz; 685 { 686 char b[128]; 687 688 move(l, c); 689 if (nz && f == 0.0) { 690 while (--w >= 0) 691 addch(' '); 692 return; 693 } 694 snprintf(b, sizeof(b), "%*.*f", w, d, f); 695 if (strlen(b) > w) 696 snprintf(b, sizeof(b), "%*.0f", w, f); 697 if (strlen(b) > w) { 698 while (--w >= 0) 699 addch('*'); 700 return; 701 } 702 addstr(b); 703 } 704 705 static void 706 putlongdouble(f, l, c, w, d, nz) 707 long double f; 708 int l, c, w, d, nz; 709 { 710 char b[128]; 711 712 move(l, c); 713 if (nz && f == 0.0) { 714 while (--w >= 0) 715 addch(' '); 716 return; 717 } 718 sprintf(b, "%*.*Lf", w, d, f); 719 if (strlen(b) > w) 720 sprintf(b, "%*.0Lf", w, f); 721 if (strlen(b) > w) { 722 while (--w >= 0) 723 addch('*'); 724 return; 725 } 726 addstr(b); 727 } 728 729 static void 730 getinfo(s, st) 731 struct Info *s; 732 enum state st; 733 { 734 struct devinfo *tmp_dinfo; 735 size_t size; 736 int mib[2]; 737 738 GETSYSCTL("kern.cp_time", s->time); 739 GETSYSCTL("kern.cp_time", cur.cp_time); 740 GETSYSCTL("vm.stats.sys.v_swtch", s->v_swtch); 741 GETSYSCTL("vm.stats.sys.v_trap", s->v_trap); 742 GETSYSCTL("vm.stats.sys.v_syscall", s->v_syscall); 743 GETSYSCTL("vm.stats.sys.v_intr", s->v_intr); 744 GETSYSCTL("vm.stats.sys.v_soft", s->v_soft); 745 GETSYSCTL("vm.stats.vm.v_vm_faults", s->v_vm_faults); 746 GETSYSCTL("vm.stats.vm.v_cow_faults", s->v_cow_faults); 747 GETSYSCTL("vm.stats.vm.v_zfod", s->v_zfod); 748 GETSYSCTL("vm.stats.vm.v_ozfod", s->v_ozfod); 749 GETSYSCTL("vm.stats.vm.v_swapin", s->v_swapin); 750 GETSYSCTL("vm.stats.vm.v_swapout", s->v_swapout); 751 GETSYSCTL("vm.stats.vm.v_swappgsin", s->v_swappgsin); 752 GETSYSCTL("vm.stats.vm.v_swappgsout", s->v_swappgsout); 753 GETSYSCTL("vm.stats.vm.v_vnodein", s->v_vnodein); 754 GETSYSCTL("vm.stats.vm.v_vnodeout", s->v_vnodeout); 755 GETSYSCTL("vm.stats.vm.v_vnodepgsin", s->v_vnodepgsin); 756 GETSYSCTL("vm.stats.vm.v_vnodepgsout", s->v_vnodepgsout); 757 GETSYSCTL("vm.stats.vm.v_intrans", s->v_intrans); 758 GETSYSCTL("vm.stats.vm.v_reactivated", s->v_reactivated); 759 GETSYSCTL("vm.stats.vm.v_pdwakeups", s->v_pdwakeups); 760 GETSYSCTL("vm.stats.vm.v_pdpages", s->v_pdpages); 761 GETSYSCTL("vm.stats.vm.v_dfree", s->v_dfree); 762 GETSYSCTL("vm.stats.vm.v_pfree", s->v_pfree); 763 GETSYSCTL("vm.stats.vm.v_tfree", s->v_tfree); 764 GETSYSCTL("vm.stats.vm.v_page_size", s->v_page_size); 765 GETSYSCTL("vm.stats.vm.v_free_count", s->v_free_count); 766 GETSYSCTL("vm.stats.vm.v_wire_count", s->v_wire_count); 767 GETSYSCTL("vm.stats.vm.v_active_count", s->v_active_count); 768 GETSYSCTL("vm.stats.vm.v_inactive_count", s->v_inactive_count); 769 GETSYSCTL("vm.stats.vm.v_cache_count", s->v_cache_count); 770 GETSYSCTL("vfs.bufspace", s->bufspace); 771 GETSYSCTL("kern.maxvnodes", s->desiredvnodes); 772 GETSYSCTL("debug.numvnodes", s->numvnodes); 773 GETSYSCTL("debug.freevnodes", s->freevnodes); 774 GETSYSCTL("vfs.cache.nchstats", s->nchstats); 775 GETSYSCTL("vfs.numdirtybuffers", s->numdirtybuffers); 776 getsysctl("hw.intrcnt", s->intrcnt, nintr * sizeof(u_long)); 777 778 size = sizeof(s->Total); 779 mib[0] = CTL_VM; 780 mib[1] = VM_METER; 781 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 782 error("Can't get kernel info: %s\n", strerror(errno)); 783 bzero(&s->Total, sizeof(s->Total)); 784 } 785 size = sizeof(ncpu); 786 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 787 size != sizeof(ncpu)) 788 ncpu = 1; 789 790 tmp_dinfo = last.dinfo; 791 last.dinfo = cur.dinfo; 792 cur.dinfo = tmp_dinfo; 793 794 last.busy_time = cur.busy_time; 795 switch (getdevs(&cur)) { 796 case -1: 797 errx(1, "%s", devstat_errbuf); 798 break; 799 case 1: 800 num_devices = cur.dinfo->numdevs; 801 generation = cur.dinfo->generation; 802 cmdkre("refresh", NULL); 803 break; 804 default: 805 break; 806 } 807 } 808 809 static void 810 allocinfo(s) 811 struct Info *s; 812 { 813 814 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 815 if (s->intrcnt == NULL) 816 errx(2, "out of memory"); 817 } 818 819 static void 820 copyinfo(from, to) 821 register struct Info *from, *to; 822 { 823 long *intrcnt; 824 825 /* 826 * time, wds, seek, and xfer are malloc'd so we have to 827 * save the pointers before the structure copy and then 828 * copy by hand. 829 */ 830 intrcnt = to->intrcnt; 831 *to = *from; 832 833 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 834 } 835 836 static void 837 dinfo(dn, c, now, then) 838 int dn, c; 839 struct statinfo *now, *then; 840 { 841 long double transfers_per_second; 842 long double kb_per_transfer, mb_per_second; 843 long double elapsed_time, device_busy; 844 int di; 845 846 di = dev_select[dn].position; 847 848 elapsed_time = compute_etime(now->busy_time, then ? 849 then->busy_time : 850 now->dinfo->devices[di].dev_creation_time); 851 852 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 853 then->dinfo->devices[di].busy_time : 854 now->dinfo->devices[di].dev_creation_time); 855 856 if (compute_stats(&now->dinfo->devices[di], then ? 857 &then->dinfo->devices[di] : NULL, elapsed_time, 858 NULL, NULL, NULL, 859 &kb_per_transfer, &transfers_per_second, 860 &mb_per_second, NULL, NULL) != 0) 861 errx(1, "%s", devstat_errbuf); 862 863 if ((device_busy == 0) && (transfers_per_second > 5)) 864 /* the device has been 100% busy, fake it because 865 * as long as the device is 100% busy the busy_time 866 * field in the devstat struct is not updated */ 867 device_busy = elapsed_time; 868 if (device_busy > elapsed_time) 869 /* this normally happens after one or more periods 870 * where the device has been 100% busy, correct it */ 871 device_busy = elapsed_time; 872 873 c = DISKCOL + c * 6; 874 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0); 875 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0); 876 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0); 877 putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, c, 5, 0, 0); 878 } 879