vmstat.c revision 1.17
1 /* $NetBSD: vmstat.c,v 1.17 1998/12/19 14:34:40 drochner Exp $ */ 2 3 /*- 4 * Copyright (c) 1983, 1989, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 40 #endif 41 __RCSID("$NetBSD: vmstat.c,v 1.17 1998/12/19 14:34:40 drochner Exp $"); 42 #endif /* not lint */ 43 44 /* 45 * Cursed vmstat -- from Robert Elz. 46 */ 47 48 #include <sys/param.h> 49 #include <sys/dkstat.h> 50 #include <sys/buf.h> 51 #include <sys/stat.h> 52 #include <sys/time.h> 53 #include <sys/user.h> 54 #include <sys/proc.h> 55 #include <sys/namei.h> 56 #include <sys/sysctl.h> 57 #include <vm/vm.h> 58 59 #if defined(UVM) 60 #include <uvm/uvm_extern.h> 61 #endif 62 63 #include <ctype.h> 64 #include <err.h> 65 #include <nlist.h> 66 #include <paths.h> 67 #include <signal.h> 68 #include <stdlib.h> 69 #include <string.h> 70 #include <utmp.h> 71 #include <unistd.h> 72 73 #include "systat.h" 74 #include "extern.h" 75 76 static struct Info { 77 long time[CPUSTATES]; 78 #if defined(UVM) 79 struct uvmexp uvmexp; 80 #else 81 struct vmmeter Cnt; 82 #endif 83 struct vmtotal Total; 84 struct nchstats nchstats; 85 long nchcount; 86 long *intrcnt; 87 } s, s1, s2, z; 88 89 #include "dkstats.h" 90 extern struct _disk cur; 91 92 93 #define cnt s.Cnt 94 #define oldcnt s1.Cnt 95 #define total s.Total 96 #define nchtotal s.nchstats 97 #define oldnchtotal s1.nchstats 98 99 static enum state { BOOT, TIME, RUN } state = TIME; 100 101 static void allocinfo __P((struct Info *)); 102 static void copyinfo __P((struct Info *, struct Info *)); 103 static float cputime __P((int)); 104 static void dinfo __P((int, int)); 105 static void getinfo __P((struct Info *, enum state)); 106 static void putint __P((int, int, int, int)); 107 static void putfloat __P((double, int, int, int, int, int)); 108 static int ucount __P((void)); 109 110 static int ut; 111 static char buf[26]; 112 static time_t t; 113 static double etime; 114 static float hertz; 115 static int nintr; 116 static long *intrloc; 117 static char **intrname; 118 static int nextintsrow; 119 120 struct utmp utmp; 121 122 WINDOW * 123 openkre() 124 { 125 126 ut = open(_PATH_UTMP, O_RDONLY); 127 if (ut < 0) 128 error("No utmp"); 129 return (stdscr); 130 } 131 132 void 133 closekre(w) 134 WINDOW *w; 135 { 136 137 (void) close(ut); 138 if (w == NULL) 139 return; 140 wclear(w); 141 wrefresh(w); 142 } 143 144 145 static struct nlist namelist[] = { 146 #define X_CPTIME 0 147 { "_cp_time" }, 148 #define X_TOTAL 1 149 { "_total" }, 150 #define X_NCHSTATS 2 151 { "_nchstats" }, 152 #define X_INTRNAMES 3 153 { "_intrnames" }, 154 #define X_EINTRNAMES 4 155 { "_eintrnames" }, 156 #define X_INTRCNT 5 157 { "_intrcnt" }, 158 #define X_EINTRCNT 6 159 { "_eintrcnt" }, 160 #if !defined(UVM) 161 #define X_CNT 7 162 { "_cnt" }, 163 #endif 164 { "" }, 165 }; 166 167 /* 168 * These constants define where the major pieces are laid out 169 */ 170 #define STATROW 0 /* uses 1 row and 68 cols */ 171 #define STATCOL 2 172 #define MEMROW 2 /* uses 4 rows and 31 cols */ 173 #define MEMCOL 0 174 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 175 #define PAGECOL 36 176 #define INTSROW 2 /* uses all rows to bottom and 17 cols */ 177 #define INTSCOL 63 178 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 179 #define PROCSCOL 0 180 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 181 #define GENSTATCOL 20 182 #define VMSTATROW 7 /* uses 17 rows and 12 cols */ 183 #define VMSTATCOL 48 184 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 185 #define GRAPHCOL 0 186 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 187 #define NAMEICOL 0 188 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 189 #define DISKCOL 0 190 191 #define DRIVESPACE 9 /* max # for space */ 192 193 #if DK_NDRIVE > DRIVESPACE 194 #define MAXDRIVES DRIVESPACE /* max # to display */ 195 #else 196 #define MAXDRIVES DK_NDRIVE /* max # to display */ 197 #endif 198 199 int 200 initkre() 201 { 202 char *intrnamebuf, *cp; 203 int i; 204 static int once = 0; 205 extern gid_t egid; 206 207 if (namelist[0].n_type == 0) { 208 if (kvm_nlist(kd, namelist)) { 209 nlisterr(namelist); 210 return(0); 211 } 212 if (namelist[0].n_type == 0) { 213 error("No namelist"); 214 return(0); 215 } 216 } 217 hertz = stathz ? stathz : hz; 218 if (! dkinit(1, egid)) 219 return(0); 220 if (dk_ndrive && !once) { 221 #define allocate(e, t) \ 222 s./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \ 223 s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \ 224 s2./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \ 225 z./**/e = (t *)calloc(dk_ndrive, sizeof (t)); 226 once = 1; 227 #undef allocate 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; 268 269 time(&now); 270 strcpy(buf, ctime(&now)); 271 buf[16] = '\0'; 272 getinfo(&s, state); 273 } 274 275 void 276 labelkre() 277 { 278 int i, j; 279 280 clear(); 281 mvprintw(STATROW, STATCOL + 4, "users Load"); 282 #if defined(UVM) 283 mvprintw(MEMROW, MEMCOL, " memory totals (in KB)"); 284 mvprintw(MEMROW + 1, MEMCOL, " real virtual free"); 285 mvprintw(MEMROW + 2, MEMCOL, "Active"); 286 mvprintw(MEMROW + 3, MEMCOL, "All"); 287 288 mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING "); 289 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 290 mvprintw(PAGEROW + 2, PAGECOL, "ops"); 291 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 292 #else 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 + 31, "Free"); 299 300 mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING "); 301 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 302 mvprintw(PAGEROW + 2, PAGECOL, "count"); 303 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 304 #endif 305 306 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 307 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 308 309 #if defined(UVM) 310 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "forks"); 311 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "fkppw"); 312 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "fksvm"); 313 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "pwait"); 314 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "relck"); 315 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "rlkok"); 316 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "noram"); 317 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "ndcpy"); 318 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "fltcp"); 319 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "zfod"); 320 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "cow"); 321 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "fmin"); 322 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "ftarg"); 323 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "itarg"); 324 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "wired"); 325 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "pdfre"); 326 if (LINES - 1 > VMSTATROW + 16) 327 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "pdscn"); 328 #else 329 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "cow"); 330 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "objlk"); 331 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "objht"); 332 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "zfod"); 333 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "nzfod"); 334 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "%%zfod"); 335 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "kern"); 336 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "wire"); 337 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "act"); 338 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "inact"); 339 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "free"); 340 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "daefr"); 341 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "prcfr"); 342 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "react"); 343 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "scan"); 344 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "hdrev"); 345 if (LINES - 1 > VMSTATROW + 16) 346 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "intrn"); 347 #endif 348 349 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 350 351 mvprintw(GRAPHROW, GRAPHCOL, 352 " . %% Sys . %% User . %% Nice . %% Idle"); 353 #if defined(UVM) 354 mvprintw(PROCSROW, PROCSCOL, "Proc:r d s w"); 355 #else 356 mvprintw(PROCSROW, PROCSCOL, "Proc:r d s w p"); 357 #endif 358 mvprintw(GRAPHROW + 1, GRAPHCOL, 359 "| | | | | | | | | | |"); 360 361 mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache"); 362 mvprintw(NAMEIROW + 1, NAMEICOL, 363 " Calls hits %% hits %%"); 364 mvprintw(DISKROW, DISKCOL, "Discs"); 365 mvprintw(DISKROW + 1, DISKCOL, "seeks"); 366 mvprintw(DISKROW + 2, DISKCOL, "xfers"); 367 mvprintw(DISKROW + 3, DISKCOL, "Kbyte"); 368 mvprintw(DISKROW + 4, DISKCOL, " sec"); 369 j = 0; 370 for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++) 371 if (dk_select[i]) { 372 mvprintw(DISKROW, DISKCOL + 5 + 5 * j, 373 " %3.3s", dr_name[j]); 374 j++; 375 } 376 for (i = 0; i < nintr; i++) { 377 if (intrloc[i] == 0) 378 continue; 379 mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]); 380 } 381 } 382 383 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 384 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 385 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 386 if(state == TIME) s1.nchstats.fld = t;} 387 #define PUTRATE(fld, l, c, w) {Y(fld); putint((int)((float)s.fld/etime + 0.5), l, c, w);} 388 #define MAXFAIL 5 389 390 static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' }; 391 static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE }; 392 393 void 394 showkre() 395 { 396 float f1, f2; 397 int psiz, inttotal; 398 int i, l, c; 399 static int failcnt = 0; 400 401 if (state == TIME) 402 dkswap(); 403 etime = 0; 404 for(i = 0; i < CPUSTATES; i++) { 405 X(time); 406 etime += s.time[i]; 407 } 408 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 409 if (failcnt++ >= MAXFAIL) { 410 clear(); 411 mvprintw(2, 10, "The alternate system clock has died!"); 412 mvprintw(3, 10, "Reverting to ``pigs'' display."); 413 move(CMDLINE, 0); 414 refresh(); 415 failcnt = 0; 416 sleep(5); 417 command("pigs"); 418 } 419 return; 420 } 421 failcnt = 0; 422 etime /= hertz; 423 inttotal = 0; 424 for (i = 0; i < nintr; i++) { 425 if (s.intrcnt[i] == 0) 426 continue; 427 if (intrloc[i] == 0) { 428 if (nextintsrow == LINES) 429 continue; 430 intrloc[i] = nextintsrow++; 431 mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", 432 intrname[i]); 433 } 434 X(intrcnt); 435 l = (int)((float)s.intrcnt[i]/etime + 0.5); 436 inttotal += l; 437 putint(l, intrloc[i], INTSCOL, 8); 438 } 439 putint(inttotal, INTSROW + 1, INTSCOL, 8); 440 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 441 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); 442 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 443 nchtotal.ncs_miss + nchtotal.ncs_long; 444 if (state == TIME) 445 s1.nchcount = s.nchcount; 446 447 psiz = 0; 448 f2 = 0.0; 449 450 /* 451 * Last CPU state not calculated yet. 452 */ 453 for (c = 0; c < CPUSTATES - 1; c++) { 454 i = cpuorder[c]; 455 f1 = cputime(i); 456 f2 += f1; 457 l = (int) ((f2 + 1.0) / 2.0) - psiz; 458 if (c == 0) 459 putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0); 460 else 461 putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c, 462 5, 1, 0); 463 move(GRAPHROW + 2, psiz); 464 psiz += l; 465 while (l-- > 0) 466 addch(cpuchar[c]); 467 } 468 469 putint(ucount(), STATROW, STATCOL, 3); 470 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 471 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 472 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 473 mvaddstr(STATROW, STATCOL + 53, buf); 474 #if defined(UVM) 475 #define pgtokb(pg) ((pg) * (s.uvmexp.pagesize / 1024)) 476 #else 477 #define pgtokb(pg) ((pg) * (cnt.v_page_size / 1024)) 478 #endif 479 480 #if defined(UVM) 481 putint(pgtokb(s.uvmexp.active), MEMROW + 2, MEMCOL + 6, 7); 482 putint(pgtokb(s.uvmexp.active + s.uvmexp.swpginuse), /* XXX */ 483 MEMROW + 2, MEMCOL + 16, 7); 484 putint(pgtokb(s.uvmexp.npages - s.uvmexp.free), MEMROW + 3, MEMCOL + 6, 7); 485 putint(pgtokb(s.uvmexp.npages - s.uvmexp.free + s.uvmexp.swpginuse), 486 MEMROW + 3, MEMCOL + 16, 7); 487 putint(pgtokb(s.uvmexp.free), MEMROW + 2, MEMCOL + 24, 7); 488 putint(pgtokb(s.uvmexp.free + s.uvmexp.swpages - s.uvmexp.swpginuse), 489 MEMROW + 3, MEMCOL + 24, 7); 490 #else 491 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 6); 492 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 9, 6); 493 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 15, 7); 494 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 22, 7); 495 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 6); 496 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 9, 6); 497 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 15, 7); 498 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 22, 7); 499 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 29, 6); 500 #endif 501 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 502 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3); 503 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3); 504 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3); 505 #if !defined(UVM) 506 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 15, 3); 507 #endif 508 #if defined(UVM) 509 PUTRATE(uvmexp.forks, VMSTATROW + 0, VMSTATCOL + 3, 6); 510 PUTRATE(uvmexp.forks_ppwait, VMSTATROW + 1, VMSTATCOL + 3, 6); 511 PUTRATE(uvmexp.forks_sharevm, VMSTATROW + 2, VMSTATCOL + 3, 6); 512 PUTRATE(uvmexp.fltpgwait, VMSTATROW + 3, VMSTATCOL + 4, 5); 513 PUTRATE(uvmexp.fltrelck, VMSTATROW + 4, VMSTATCOL + 3, 6); 514 PUTRATE(uvmexp.fltrelckok, VMSTATROW + 5, VMSTATCOL + 3, 6); 515 PUTRATE(uvmexp.fltnoram, VMSTATROW + 6, VMSTATCOL + 3, 6); 516 PUTRATE(uvmexp.fltamcopy, VMSTATROW + 7, VMSTATCOL + 3, 6); 517 PUTRATE(uvmexp.flt_prcopy, VMSTATROW + 8, VMSTATCOL + 3, 6); 518 PUTRATE(uvmexp.flt_przero, VMSTATROW + 9, VMSTATCOL + 3, 6); 519 PUTRATE(uvmexp.flt_acow, VMSTATROW + 10, VMSTATCOL, 9); 520 putint(s.uvmexp.freemin, VMSTATROW + 11, VMSTATCOL, 9); 521 putint(s.uvmexp.freetarg, VMSTATROW + 12, VMSTATCOL, 9); 522 putint(s.uvmexp.inactarg, VMSTATROW + 13, VMSTATCOL, 9); 523 putint(s.uvmexp.wired, VMSTATROW + 14, VMSTATCOL, 9); 524 PUTRATE(uvmexp.pdfreed, VMSTATROW + 15, VMSTATCOL, 9); 525 if (LINES - 1 > VMSTATROW + 16) 526 PUTRATE(uvmexp.pdscans, VMSTATROW + 16, VMSTATCOL, 9); 527 528 PUTRATE(uvmexp.pageins, PAGEROW + 2, PAGECOL + 5, 5); 529 PUTRATE(uvmexp.pdpageouts, PAGEROW + 2, PAGECOL + 10, 5); 530 PUTRATE(uvmexp.swapins, PAGEROW + 2, PAGECOL + 15, 5); 531 PUTRATE(uvmexp.swapouts, PAGEROW + 2, PAGECOL + 20, 5); 532 PUTRATE(uvmexp.pgswapin, PAGEROW + 3, PAGECOL + 5, 5); 533 PUTRATE(uvmexp.pgswapout, PAGEROW + 3, PAGECOL + 10, 5); 534 535 PUTRATE(uvmexp.swtch, GENSTATROW + 1, GENSTATCOL, 5); 536 PUTRATE(uvmexp.traps, GENSTATROW + 1, GENSTATCOL + 5, 5); 537 PUTRATE(uvmexp.syscalls, GENSTATROW + 1, GENSTATCOL + 10, 5); 538 PUTRATE(uvmexp.intrs, GENSTATROW + 1, GENSTATCOL + 15, 5); 539 PUTRATE(uvmexp.softs, GENSTATROW + 1, GENSTATCOL + 20, 5); 540 PUTRATE(uvmexp.faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 541 #else 542 PUTRATE(Cnt.v_cow_faults, VMSTATROW + 0, VMSTATCOL + 3, 6); 543 PUTRATE(Cnt.v_lookups, VMSTATROW + 1, VMSTATCOL + 3, 6); 544 PUTRATE(Cnt.v_hits, VMSTATROW + 2, VMSTATCOL + 3, 6); 545 PUTRATE(Cnt.v_zfod, VMSTATROW + 3, VMSTATCOL + 4, 5); 546 PUTRATE(Cnt.v_nzfod, VMSTATROW + 4, VMSTATCOL + 3, 6); 547 putfloat(cnt.v_nzfod == 0 ? 0.0 : (100.0 * cnt.v_zfod / cnt.v_nzfod), 548 VMSTATROW + 5, VMSTATCOL + 2, 7, 2, 1); 549 putint(pgtokb(cnt.v_kernel_pages), VMSTATROW + 6, VMSTATCOL, 9); 550 putint(pgtokb(cnt.v_wire_count), VMSTATROW + 7, VMSTATCOL, 9); 551 putint(pgtokb(cnt.v_active_count), VMSTATROW + 8, VMSTATCOL, 9); 552 putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 9, VMSTATCOL, 9); 553 putint(pgtokb(cnt.v_free_count), VMSTATROW + 10, VMSTATCOL, 9); 554 PUTRATE(Cnt.v_dfree, VMSTATROW + 11, VMSTATCOL, 9); 555 PUTRATE(Cnt.v_pfree, VMSTATROW + 12, VMSTATCOL, 9); 556 PUTRATE(Cnt.v_reactivated, VMSTATROW + 13, VMSTATCOL, 9); 557 PUTRATE(Cnt.v_scan, VMSTATROW + 14, VMSTATCOL, 9); 558 PUTRATE(Cnt.v_rev, VMSTATROW + 15, VMSTATCOL, 9); 559 if (LINES - 1 > VMSTATROW + 16) 560 PUTRATE(Cnt.v_intrans, VMSTATROW + 16, VMSTATCOL, 9); 561 562 PUTRATE(Cnt.v_pageins, PAGEROW + 2, PAGECOL + 5, 5); 563 PUTRATE(Cnt.v_pageouts, PAGEROW + 2, PAGECOL + 10, 5); 564 PUTRATE(Cnt.v_swpin, PAGEROW + 2, PAGECOL + 15, 5); /* - */ 565 PUTRATE(Cnt.v_swpout, PAGEROW + 2, PAGECOL + 20, 5); /* - */ 566 PUTRATE(Cnt.v_pgpgin, PAGEROW + 3, PAGECOL + 5, 5); /* ? */ 567 PUTRATE(Cnt.v_pgpgout, PAGEROW + 3, PAGECOL + 10, 5); /* ? */ 568 PUTRATE(Cnt.v_pswpin, PAGEROW + 3, PAGECOL + 15, 5); /* - */ 569 PUTRATE(Cnt.v_pswpout, PAGEROW + 3, PAGECOL + 20, 5); /* - */ 570 571 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 572 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 573 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 574 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 575 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 576 PUTRATE(Cnt.v_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 577 #endif 578 mvprintw(DISKROW, DISKCOL + 5, " "); 579 for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++) 580 if (dk_select[i]) { 581 mvprintw(DISKROW, DISKCOL + 5 + 5 * c, 582 " %3.3s", dr_name[i]); 583 dinfo(i, ++c); 584 } 585 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 586 putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9); 587 #define nz(x) ((x) ? (x) : 1) 588 putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount), 589 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 590 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 591 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 592 NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1); 593 #undef nz 594 } 595 596 int 597 cmdkre(cmd, args) 598 char *cmd, *args; 599 { 600 601 if (prefix(cmd, "run")) { 602 copyinfo(&s2, &s1); 603 state = RUN; 604 return (1); 605 } 606 if (prefix(cmd, "boot")) { 607 state = BOOT; 608 copyinfo(&z, &s1); 609 return (1); 610 } 611 if (prefix(cmd, "time")) { 612 state = TIME; 613 return (1); 614 } 615 if (prefix(cmd, "zero")) { 616 if (state == RUN) 617 getinfo(&s1, RUN); 618 return (1); 619 } 620 return (dkcmd(cmd, args)); 621 } 622 623 /* calculate number of users on the system */ 624 static int 625 ucount() 626 { 627 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, (off_t)0, SEEK_SET); 636 return (nusers); 637 } 638 639 static float 640 cputime(indx) 641 int indx; 642 { 643 double t; 644 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 (void)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 (void)snprintf(b, sizeof b, "%*.*f", w, d, f); 689 if (strlen(b) > w) { 690 while (--w >= 0) 691 addch('*'); 692 return; 693 } 694 addstr(b); 695 } 696 697 static void 698 getinfo(s, st) 699 struct Info *s; 700 enum state st; 701 { 702 int mib[2]; 703 size_t size; 704 extern int errno; 705 706 dkreadstats(); 707 NREAD(X_CPTIME, s->time, sizeof s->time); 708 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats); 709 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 710 #if defined(UVM) 711 size = sizeof(s->uvmexp); 712 mib[0] = CTL_VM; 713 mib[1] = VM_UVMEXP; 714 if (sysctl(mib, 2, &s->uvmexp, &size, NULL, 0) < 0) { 715 error("can't get uvmexp: %s\n", strerror(errno)); 716 memset(&s->uvmexp, 0, sizeof(s->uvmexp)); 717 } 718 #else 719 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt); 720 #endif 721 size = sizeof(s->Total); 722 mib[0] = CTL_VM; 723 mib[1] = VM_METER; 724 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 725 error("Can't get kernel info: %s\n", strerror(errno)); 726 memset(&s->Total, 0, sizeof(s->Total)); 727 } 728 } 729 730 static void 731 allocinfo(s) 732 struct Info *s; 733 { 734 735 s->intrcnt = (long *) malloc(nintr * sizeof(long)); 736 if (s->intrcnt == NULL) 737 errx(2, "out of memory"); 738 } 739 740 static void 741 copyinfo(from, to) 742 struct Info *from, *to; 743 { 744 long *intrcnt; 745 746 intrcnt = to->intrcnt; 747 *to = *from; 748 memmove(to->intrcnt = intrcnt, from->intrcnt, nintr * sizeof (int)); 749 } 750 751 static void 752 dinfo(dn, c) 753 int dn, c; 754 { 755 double words, atime; 756 757 c = DISKCOL + c * 5; 758 759 /* time busy in disk activity */ 760 atime = (double)cur.dk_time[dn].tv_sec + 761 ((double)cur.dk_time[dn].tv_usec / (double)1000000); 762 763 words = cur.dk_bytes[dn] / 1024.0; /* # of K transferred */ 764 765 putint((int)((float)cur.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5); 766 putint((int)((float)cur.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5); 767 putint((int)(words/etime + 0.5), DISKROW + 3, c, 5); 768 putfloat(atime/etime, DISKROW + 4, c, 5, 1, 1); 769 } 770
Indexes created Mon Sep 22 13:09:51 GMT 2025