vmstat.c revision 1.12
1 /* $NetBSD: vmstat.c,v 1.12 1998/02/09 14:14:43 mrg 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 1.12 1998/02/09 14:14:43 mrg 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; 205 206 if (namelist[0].n_type == 0) { 207 if (kvm_nlist(kd, namelist)) { 208 nlisterr(namelist); 209 return(0); 210 } 211 if (namelist[0].n_type == 0) { 212 error("No namelist"); 213 return(0); 214 } 215 } 216 hertz = stathz ? stathz : hz; 217 if (! dkinit(1)) 218 return(0); 219 if (dk_ndrive && !once) { 220 #define allocate(e, t) \ 221 s./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \ 222 s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \ 223 s2./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \ 224 z./**/e = (t *)calloc(dk_ndrive, sizeof (t)); 225 once = 1; 226 #undef allocate 227 } 228 if (nintr == 0) { 229 nintr = (namelist[X_EINTRCNT].n_value - 230 namelist[X_INTRCNT].n_value) / sizeof (long); 231 intrloc = calloc(nintr, sizeof (long)); 232 intrname = calloc(nintr, sizeof (long)); 233 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value - 234 namelist[X_INTRNAMES].n_value); 235 if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) { 236 error("Out of memory\n"); 237 if (intrnamebuf) 238 free(intrnamebuf); 239 if (intrname) 240 free(intrname); 241 if (intrloc) 242 free(intrloc); 243 nintr = 0; 244 return(0); 245 } 246 NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) - 247 NVAL(X_INTRNAMES)); 248 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 249 intrname[i] = cp; 250 cp += strlen(cp) + 1; 251 } 252 nextintsrow = INTSROW + 2; 253 allocinfo(&s); 254 allocinfo(&s1); 255 allocinfo(&s2); 256 allocinfo(&z); 257 } 258 getinfo(&s2, RUN); 259 copyinfo(&s2, &s1); 260 return(1); 261 } 262 263 void 264 fetchkre() 265 { 266 time_t now; 267 268 time(&now); 269 strcpy(buf, ctime(&now)); 270 buf[16] = '\0'; 271 getinfo(&s, state); 272 } 273 274 void 275 labelkre() 276 { 277 int i, j; 278 279 clear(); 280 mvprintw(STATROW, STATCOL + 4, "users Load"); 281 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 282 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 283 mvprintw(MEMROW + 2, MEMCOL, "Act"); 284 mvprintw(MEMROW + 3, MEMCOL, "All"); 285 286 mvprintw(MEMROW + 1, MEMCOL + 31, "Free"); 287 288 mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING "); 289 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 290 mvprintw(PAGEROW + 2, PAGECOL, "count"); 291 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 292 293 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 294 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 295 296 #if defined(UVM) 297 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "forks"); 298 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "fkppw"); 299 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "fksvm"); 300 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "pwait"); 301 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "relck"); 302 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "rlkok"); 303 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "noram"); 304 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "ndcpy"); 305 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "fltcp"); 306 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "zfod"); 307 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "cow"); 308 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "fmin"); 309 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "ftarg"); 310 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "itarg"); 311 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "wired"); 312 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "pdfre"); 313 if (LINES - 1 > VMSTATROW + 16) 314 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "pdscn"); 315 #else 316 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "cow"); 317 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "objlk"); 318 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "objht"); 319 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "zfod"); 320 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "nzfod"); 321 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "%%zfod"); 322 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "kern"); 323 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "wire"); 324 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "act"); 325 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "inact"); 326 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "free"); 327 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "daefr"); 328 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "prcfr"); 329 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "react"); 330 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "scan"); 331 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "hdrev"); 332 if (LINES - 1 > VMSTATROW + 16) 333 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "intrn"); 334 #endif 335 336 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 337 338 mvprintw(GRAPHROW, GRAPHCOL, 339 " . %% Sys . %% User . %% Nice . %% Idle"); 340 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 341 mvprintw(GRAPHROW + 1, GRAPHCOL, 342 "| | | | | | | | | | |"); 343 344 mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache"); 345 mvprintw(NAMEIROW + 1, NAMEICOL, 346 " Calls hits %% hits %%"); 347 mvprintw(DISKROW, DISKCOL, "Discs"); 348 mvprintw(DISKROW + 1, DISKCOL, "seeks"); 349 mvprintw(DISKROW + 2, DISKCOL, "xfers"); 350 mvprintw(DISKROW + 3, DISKCOL, "Kbyte"); 351 mvprintw(DISKROW + 4, DISKCOL, " sec"); 352 j = 0; 353 for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++) 354 if (dk_select[i]) { 355 mvprintw(DISKROW, DISKCOL + 5 + 5 * j, 356 " %3.3s", dr_name[j]); 357 j++; 358 } 359 for (i = 0; i < nintr; i++) { 360 if (intrloc[i] == 0) 361 continue; 362 mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]); 363 } 364 } 365 366 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 367 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 368 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 369 if(state == TIME) s1.nchstats.fld = t;} 370 #define PUTRATE(fld, l, c, w) Y(fld); putint((int)((float)s.fld/etime + 0.5), l, c, w) 371 #define MAXFAIL 5 372 373 static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' }; 374 static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE }; 375 376 void 377 showkre() 378 { 379 float f1, f2; 380 int psiz, inttotal; 381 int i, l, c; 382 static int failcnt = 0; 383 384 385 if (state == TIME) 386 dkswap(); 387 etime = 0; 388 for(i = 0; i < CPUSTATES; i++) { 389 X(time); 390 etime += s.time[i]; 391 } 392 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 393 if (failcnt++ >= MAXFAIL) { 394 clear(); 395 mvprintw(2, 10, "The alternate system clock has died!"); 396 mvprintw(3, 10, "Reverting to ``pigs'' display."); 397 move(CMDLINE, 0); 398 refresh(); 399 failcnt = 0; 400 sleep(5); 401 command("pigs"); 402 } 403 return; 404 } 405 failcnt = 0; 406 etime /= hertz; 407 inttotal = 0; 408 for (i = 0; i < nintr; i++) { 409 if (s.intrcnt[i] == 0) 410 continue; 411 if (intrloc[i] == 0) { 412 if (nextintsrow == LINES) 413 continue; 414 intrloc[i] = nextintsrow++; 415 mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", 416 intrname[i]); 417 } 418 X(intrcnt); 419 l = (int)((float)s.intrcnt[i]/etime + 0.5); 420 inttotal += l; 421 putint(l, intrloc[i], INTSCOL, 8); 422 } 423 putint(inttotal, INTSROW + 1, INTSCOL, 8); 424 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 425 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); 426 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 427 nchtotal.ncs_miss + nchtotal.ncs_long; 428 if (state == TIME) 429 s1.nchcount = s.nchcount; 430 431 psiz = 0; 432 f2 = 0.0; 433 434 /* 435 * Last CPU state not calculated yet. 436 */ 437 for (c = 0; c < CPUSTATES - 1; c++) { 438 i = cpuorder[c]; 439 f1 = cputime(i); 440 f2 += f1; 441 l = (int) ((f2 + 1.0) / 2.0) - psiz; 442 if (c == 0) 443 putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0); 444 else 445 putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c, 446 5, 1, 0); 447 move(GRAPHROW + 2, psiz); 448 psiz += l; 449 while (l-- > 0) 450 addch(cpuchar[c]); 451 } 452 453 putint(ucount(), STATROW, STATCOL, 3); 454 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 455 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 456 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 457 mvaddstr(STATROW, STATCOL + 53, buf); 458 #if defined(UVM) 459 #define pgtokb(pg) ((pg) * s.uvmexp.pagesize / 1024) 460 #else 461 #define pgtokb(pg) ((pg) * cnt.v_page_size / 1024) 462 #endif 463 464 #if defined(UVM) 465 putint(pgtokb(s.uvmexp.active), MEMROW + 2, MEMCOL + 3, 6); 466 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 9, 6); /* XXX */ 467 putint(pgtokb(s.uvmexp.active + s.uvmexp.swpginuse), /* XXX */ 468 MEMROW + 2, MEMCOL + 15, 7); 469 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 22, 7);/* XXX */ 470 putint(pgtokb(s.uvmexp.npages - s.uvmexp.free), MEMROW + 3, MEMCOL + 3, 6); 471 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 9, 6); /* XXX */ 472 putint(pgtokb(s.uvmexp.npages - s.uvmexp.free + s.uvmexp.swpginuse), 473 MEMROW + 3, MEMCOL + 15, 7); 474 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 22, 7); /* XXX */ 475 putint(pgtokb(s.uvmexp.free), MEMROW + 2, MEMCOL + 29, 6); 476 putint(pgtokb(s.uvmexp.free + s.uvmexp.swpages - s.uvmexp.swpginuse), 477 MEMROW + 3, MEMCOL + 29, 6); 478 #else 479 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 6); 480 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 9, 6); 481 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 15, 7); 482 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 22, 7); 483 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 6); 484 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 9, 6); 485 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 15, 7); 486 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 22, 7); 487 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 29, 6); 488 #endif 489 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 490 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 491 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 492 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 493 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 494 #if defined(UVM) 495 PUTRATE(uvmexp.forks, VMSTATROW + 0, VMSTATCOL + 3, 6); 496 PUTRATE(uvmexp.forks_ppwait, VMSTATROW + 1, VMSTATCOL + 3, 6); 497 PUTRATE(uvmexp.forks_sharevm, VMSTATROW + 2, VMSTATCOL + 3, 6); 498 PUTRATE(uvmexp.fltpgwait, VMSTATROW + 3, VMSTATCOL + 4, 5); 499 PUTRATE(uvmexp.fltrelck, VMSTATROW + 4, VMSTATCOL + 3, 6); 500 PUTRATE(uvmexp.fltrelckok, VMSTATROW + 5, VMSTATCOL + 3, 6); 501 PUTRATE(uvmexp.fltnoram, VMSTATROW + 6, VMSTATCOL + 3, 6); 502 PUTRATE(uvmexp.fltamcopy, VMSTATROW + 7, VMSTATCOL + 3, 6); 503 PUTRATE(uvmexp.flt_prcopy, VMSTATROW + 8, VMSTATCOL + 3, 6); 504 PUTRATE(uvmexp.flt_przero, VMSTATROW + 9, VMSTATCOL + 3, 6); 505 PUTRATE(uvmexp.flt_acow, VMSTATROW + 10, VMSTATCOL, 9); 506 putint(s.uvmexp.freemin, VMSTATROW + 11, VMSTATCOL, 9); 507 putint(s.uvmexp.freetarg, VMSTATROW + 12, VMSTATCOL, 9); 508 putint(s.uvmexp.inactarg, VMSTATROW + 13, VMSTATCOL, 9); 509 putint(s.uvmexp.wired, VMSTATROW + 14, VMSTATCOL, 9); 510 PUTRATE(uvmexp.pdfreed, VMSTATROW + 15, VMSTATCOL, 9); 511 if (LINES - 1 > VMSTATROW + 16) 512 PUTRATE(uvmexp.pdscans, VMSTATROW + 16, VMSTATCOL, 9); 513 514 PUTRATE(uvmexp.pageins, PAGEROW + 2, PAGECOL + 5, 5); 515 PUTRATE(uvmexp.pdpageouts, PAGEROW + 2, PAGECOL + 10, 5); 516 PUTRATE(uvmexp.swapins, PAGEROW + 2, PAGECOL + 15, 5); 517 PUTRATE(uvmexp.swapouts, PAGEROW + 2, PAGECOL + 20, 5); 518 PUTRATE(uvmexp.pgswapin, PAGEROW + 3, PAGECOL + 5, 5); 519 PUTRATE(uvmexp.pgswapout, PAGEROW + 3, PAGECOL + 10, 5); 520 521 PUTRATE(uvmexp.swtch, GENSTATROW + 1, GENSTATCOL, 5); 522 PUTRATE(uvmexp.traps, GENSTATROW + 1, GENSTATCOL + 5, 5); 523 PUTRATE(uvmexp.syscalls, GENSTATROW + 1, GENSTATCOL + 10, 5); 524 PUTRATE(uvmexp.intrs, GENSTATROW + 1, GENSTATCOL + 15, 5); 525 PUTRATE(uvmexp.softs, GENSTATROW + 1, GENSTATCOL + 20, 5); 526 PUTRATE(uvmexp.faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 527 #else 528 PUTRATE(Cnt.v_cow_faults, VMSTATROW + 0, VMSTATCOL + 3, 6); 529 PUTRATE(Cnt.v_lookups, VMSTATROW + 1, VMSTATCOL + 3, 6); 530 PUTRATE(Cnt.v_hits, VMSTATROW + 2, VMSTATCOL + 3, 6); 531 PUTRATE(Cnt.v_zfod, VMSTATROW + 3, VMSTATCOL + 4, 5); 532 PUTRATE(Cnt.v_nzfod, VMSTATROW + 4, VMSTATCOL + 3, 6); 533 putfloat(cnt.v_nzfod == 0 ? 0.0 : (100.0 * cnt.v_zfod / cnt.v_nzfod), 534 VMSTATROW + 5, VMSTATCOL + 2, 7, 2, 1); 535 putint(pgtokb(cnt.v_kernel_pages), VMSTATROW + 6, VMSTATCOL, 9); 536 putint(pgtokb(cnt.v_wire_count), VMSTATROW + 7, VMSTATCOL, 9); 537 putint(pgtokb(cnt.v_active_count), VMSTATROW + 8, VMSTATCOL, 9); 538 putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 9, VMSTATCOL, 9); 539 putint(pgtokb(cnt.v_free_count), VMSTATROW + 10, VMSTATCOL, 9); 540 PUTRATE(Cnt.v_dfree, VMSTATROW + 11, VMSTATCOL, 9); 541 PUTRATE(Cnt.v_pfree, VMSTATROW + 12, VMSTATCOL, 9); 542 PUTRATE(Cnt.v_reactivated, VMSTATROW + 13, VMSTATCOL, 9); 543 PUTRATE(Cnt.v_scan, VMSTATROW + 14, VMSTATCOL, 9); 544 PUTRATE(Cnt.v_rev, VMSTATROW + 15, VMSTATCOL, 9); 545 if (LINES - 1 > VMSTATROW + 16) 546 PUTRATE(Cnt.v_intrans, VMSTATROW + 16, VMSTATCOL, 9); 547 PUTRATE(Cnt.v_pageins, PAGEROW + 2, PAGECOL + 5, 5); 548 PUTRATE(Cnt.v_pageouts, PAGEROW + 2, PAGECOL + 10, 5); 549 PUTRATE(Cnt.v_swpin, PAGEROW + 2, PAGECOL + 15, 5); /* - */ 550 PUTRATE(Cnt.v_swpout, PAGEROW + 2, PAGECOL + 20, 5); /* - */ 551 PUTRATE(Cnt.v_pgpgin, PAGEROW + 3, PAGECOL + 5, 5); /* ? */ 552 PUTRATE(Cnt.v_pgpgout, PAGEROW + 3, PAGECOL + 10, 5); /* ? */ 553 PUTRATE(Cnt.v_pswpin, PAGEROW + 3, PAGECOL + 15, 5); /* - */ 554 PUTRATE(Cnt.v_pswpout, PAGEROW + 3, PAGECOL + 20, 5); /* - */ 555 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 556 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 557 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 558 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 559 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 560 PUTRATE(Cnt.v_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 561 #endif 562 mvprintw(DISKROW, DISKCOL + 5, " "); 563 for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++) 564 if (dk_select[i]) { 565 mvprintw(DISKROW, DISKCOL + 5 + 5 * c, 566 " %3.3s", dr_name[i]); 567 dinfo(i, ++c); 568 } 569 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 570 putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9); 571 #define nz(x) ((x) ? (x) : 1) 572 putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount), 573 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 574 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 575 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 576 NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1); 577 #undef nz 578 } 579 580 int 581 cmdkre(cmd, args) 582 char *cmd, *args; 583 { 584 585 if (prefix(cmd, "run")) { 586 copyinfo(&s2, &s1); 587 state = RUN; 588 return (1); 589 } 590 if (prefix(cmd, "boot")) { 591 state = BOOT; 592 copyinfo(&z, &s1); 593 return (1); 594 } 595 if (prefix(cmd, "time")) { 596 state = TIME; 597 return (1); 598 } 599 if (prefix(cmd, "zero")) { 600 if (state == RUN) 601 getinfo(&s1, RUN); 602 return (1); 603 } 604 return (dkcmd(cmd, args)); 605 } 606 607 /* calculate number of users on the system */ 608 static int 609 ucount() 610 { 611 int nusers = 0; 612 613 if (ut < 0) 614 return (0); 615 while (read(ut, &utmp, sizeof(utmp))) 616 if (utmp.ut_name[0] != '\0') 617 nusers++; 618 619 lseek(ut, (off_t)0, SEEK_SET); 620 return (nusers); 621 } 622 623 static float 624 cputime(indx) 625 int indx; 626 { 627 double t; 628 int i; 629 630 t = 0; 631 for (i = 0; i < CPUSTATES; i++) 632 t += s.time[i]; 633 if (t == 0.0) 634 t = 1.0; 635 return (s.time[indx] * 100.0 / t); 636 } 637 638 static void 639 putint(n, l, c, w) 640 int n, l, c, w; 641 { 642 char b[128]; 643 644 move(l, c); 645 if (n == 0) { 646 while (w-- > 0) 647 addch(' '); 648 return; 649 } 650 sprintf(b, "%*d", w, n); 651 if (strlen(b) > w) { 652 while (w-- > 0) 653 addch('*'); 654 return; 655 } 656 addstr(b); 657 } 658 659 static void 660 putfloat(f, l, c, w, d, nz) 661 double f; 662 int l, c, w, d, nz; 663 { 664 char b[128]; 665 666 move(l, c); 667 if (nz && f == 0.0) { 668 while (--w >= 0) 669 addch(' '); 670 return; 671 } 672 sprintf(b, "%*.*f", w, d, f); 673 if (strlen(b) > w) { 674 while (--w >= 0) 675 addch('*'); 676 return; 677 } 678 addstr(b); 679 } 680 681 static void 682 getinfo(s, st) 683 struct Info *s; 684 enum state st; 685 { 686 int mib[2]; 687 size_t size; 688 extern int errno; 689 690 dkreadstats(); 691 NREAD(X_CPTIME, s->time, sizeof s->time); 692 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats); 693 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 694 #if defined(UVM) 695 size = sizeof(s->uvmexp); 696 mib[0] = CTL_VM; 697 mib[1] = VM_UVMEXP; 698 if (sysctl(mib, 2, &s->uvmexp, &size, NULL, 0) < 0) { 699 error("can't get uvmexp: %s\n", strerror(errno)); 700 memset(&s->uvmexp, 0, sizeof(s->uvmexp)); 701 } 702 #else 703 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt); 704 #endif 705 size = sizeof(s->Total); 706 mib[0] = CTL_VM; 707 mib[1] = VM_METER; 708 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 709 error("Can't get kernel info: %s\n", strerror(errno)); 710 memset(&s->Total, 0, sizeof(s->Total)); 711 } 712 } 713 714 static void 715 allocinfo(s) 716 struct Info *s; 717 { 718 719 s->intrcnt = (long *) malloc(nintr * sizeof(long)); 720 if (s->intrcnt == NULL) 721 errx(2, "out of memory"); 722 } 723 724 static void 725 copyinfo(from, to) 726 struct Info *from, *to; 727 { 728 long *intrcnt; 729 730 intrcnt = to->intrcnt; 731 *to = *from; 732 memmove(to->intrcnt = intrcnt, from->intrcnt, nintr * sizeof (int)); 733 } 734 735 static void 736 dinfo(dn, c) 737 int dn, c; 738 { 739 double words, atime; 740 741 c = DISKCOL + c * 5; 742 743 /* time busy in disk activity */ 744 atime = (double)cur.dk_time[dn].tv_sec + 745 ((double)cur.dk_time[dn].tv_usec / (double)1000000); 746 747 words = cur.dk_bytes[dn] / 1024.0; /* # of K transferred */ 748 749 putint((int)((float)cur.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5); 750 putint((int)((float)cur.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5); 751 putint((int)(words/etime + 0.5), DISKROW + 3, c, 5); 752 putfloat(atime/etime, DISKROW + 4, c, 5, 1, 1); 753 } 754
Indexes created Tue Sep 23 07:09:52 GMT 2025