vmstat.c revision 1.11
1 /* $NetBSD: vmstat.c,v 1.11 1998/02/07 14:08:23 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 1.11 1998/02/07 14:08:23 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 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "cow"); 297 /* XXX fix me */ 298 #if !defined(UVM) 299 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "objlk"); 300 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "objht"); 301 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "zfod"); 302 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "nzfod"); 303 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "%%zfod"); 304 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "kern"); 305 #endif 306 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "wire"); 307 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "act"); 308 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "inact"); 309 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "free"); 310 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "daefr"); 311 #if !defined(UVM) 312 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "prcfr"); 313 #endif 314 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "react"); 315 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "scan"); 316 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "hdrev"); 317 #if !defined(UVM) 318 if (LINES - 1 > VMSTATROW + 16) 319 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "intrn"); 320 #endif 321 322 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 323 324 mvprintw(GRAPHROW, GRAPHCOL, 325 " . %% Sys . %% User . %% Nice . %% Idle"); 326 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 327 mvprintw(GRAPHROW + 1, GRAPHCOL, 328 "| | | | | | | | | | |"); 329 330 mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache"); 331 mvprintw(NAMEIROW + 1, NAMEICOL, 332 " Calls hits %% hits %%"); 333 mvprintw(DISKROW, DISKCOL, "Discs"); 334 mvprintw(DISKROW + 1, DISKCOL, "seeks"); 335 mvprintw(DISKROW + 2, DISKCOL, "xfers"); 336 mvprintw(DISKROW + 3, DISKCOL, "Kbyte"); 337 mvprintw(DISKROW + 4, DISKCOL, " sec"); 338 j = 0; 339 for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++) 340 if (dk_select[i]) { 341 mvprintw(DISKROW, DISKCOL + 5 + 5 * j, 342 " %3.3s", dr_name[j]); 343 j++; 344 } 345 for (i = 0; i < nintr; i++) { 346 if (intrloc[i] == 0) 347 continue; 348 mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]); 349 } 350 } 351 352 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 353 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 354 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 355 if(state == TIME) s1.nchstats.fld = t;} 356 #define PUTRATE(fld, l, c, w) Y(fld); putint((int)((float)s.fld/etime + 0.5), l, c, w) 357 #define MAXFAIL 5 358 359 static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' }; 360 static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE }; 361 362 void 363 showkre() 364 { 365 float f1, f2; 366 int psiz, inttotal; 367 int i, l, c; 368 static int failcnt = 0; 369 370 371 if (state == TIME) 372 dkswap(); 373 etime = 0; 374 for(i = 0; i < CPUSTATES; i++) { 375 X(time); 376 etime += s.time[i]; 377 } 378 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 379 if (failcnt++ >= MAXFAIL) { 380 clear(); 381 mvprintw(2, 10, "The alternate system clock has died!"); 382 mvprintw(3, 10, "Reverting to ``pigs'' display."); 383 move(CMDLINE, 0); 384 refresh(); 385 failcnt = 0; 386 sleep(5); 387 command("pigs"); 388 } 389 return; 390 } 391 failcnt = 0; 392 etime /= hertz; 393 inttotal = 0; 394 for (i = 0; i < nintr; i++) { 395 if (s.intrcnt[i] == 0) 396 continue; 397 if (intrloc[i] == 0) { 398 if (nextintsrow == LINES) 399 continue; 400 intrloc[i] = nextintsrow++; 401 mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", 402 intrname[i]); 403 } 404 X(intrcnt); 405 l = (int)((float)s.intrcnt[i]/etime + 0.5); 406 inttotal += l; 407 putint(l, intrloc[i], INTSCOL, 8); 408 } 409 putint(inttotal, INTSROW + 1, INTSCOL, 8); 410 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 411 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); 412 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 413 nchtotal.ncs_miss + nchtotal.ncs_long; 414 if (state == TIME) 415 s1.nchcount = s.nchcount; 416 417 psiz = 0; 418 f2 = 0.0; 419 420 /* 421 * Last CPU state not calculated yet. 422 */ 423 for (c = 0; c < CPUSTATES - 1; c++) { 424 i = cpuorder[c]; 425 f1 = cputime(i); 426 f2 += f1; 427 l = (int) ((f2 + 1.0) / 2.0) - psiz; 428 if (c == 0) 429 putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0); 430 else 431 putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c, 432 5, 1, 0); 433 move(GRAPHROW + 2, psiz); 434 psiz += l; 435 while (l-- > 0) 436 addch(cpuchar[c]); 437 } 438 439 putint(ucount(), STATROW, STATCOL, 3); 440 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 441 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 442 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 443 mvaddstr(STATROW, STATCOL + 53, buf); 444 #if defined(UVM) 445 #define pgtokb(pg) ((pg) * s.uvmexp.pagesize / 1024) 446 #else 447 #define pgtokb(pg) ((pg) * cnt.v_page_size / 1024) 448 #endif 449 450 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 6); 451 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 9, 6); 452 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 15, 7); 453 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 22, 7); 454 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 6); 455 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 9, 6); 456 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 15, 7); 457 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 22, 7); 458 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 29, 6); 459 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 460 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 461 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 462 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 463 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 464 #if defined(UVM) 465 PUTRATE(uvmexp.flt_acow, VMSTATROW + 0, VMSTATCOL + 3, 6); 466 #if 0 467 PUTRATE(Cnt.v_lookups, VMSTATROW + 1, VMSTATCOL + 3, 6); 468 PUTRATE(Cnt.v_hits, VMSTATROW + 2, VMSTATCOL + 3, 6); 469 PUTRATE(Cnt.v_zfod, VMSTATROW + 3, VMSTATCOL + 4, 5); 470 PUTRATE(Cnt.v_nzfod, VMSTATROW + 4, VMSTATCOL + 3, 6); 471 putfloat(cnt.v_nzfod == 0 ? 0.0 : (100.0 * cnt.v_zfod / cnt.v_nzfod), 472 VMSTATROW + 5, VMSTATCOL + 2, 7, 2, 1); 473 putint(pgtokb(cnt.v_kernel_pages), VMSTATROW + 6, VMSTATCOL, 9); 474 #endif 475 putint(pgtokb(s.uvmexp.wired), VMSTATROW + 7, VMSTATCOL, 9); 476 putint(pgtokb(s.uvmexp.active), VMSTATROW + 8, VMSTATCOL, 9); 477 putint(pgtokb(s.uvmexp.inactive), VMSTATROW + 9, VMSTATCOL, 9); 478 putint(pgtokb(s.uvmexp.free), VMSTATROW + 10, VMSTATCOL, 9); 479 PUTRATE(uvmexp.pdfreed, VMSTATROW + 11, VMSTATCOL, 9); 480 #if 0 481 PUTRATE(Cnt.v_pfree, VMSTATROW + 12, VMSTATCOL, 9); 482 #endif 483 PUTRATE(uvmexp.pdreact, VMSTATROW + 13, VMSTATCOL, 9); 484 PUTRATE(uvmexp.pdscans, VMSTATROW + 14, VMSTATCOL, 9); 485 PUTRATE(uvmexp.pdrevs, VMSTATROW + 15, VMSTATCOL, 9); 486 #if 0 487 if (LINES - 1 > VMSTATROW + 16) 488 PUTRATE(Cnt.v_intrans, VMSTATROW + 16, VMSTATCOL, 9); 489 #endif 490 PUTRATE(uvmexp.fltanget, PAGEROW + 2, PAGECOL + 5, 5); 491 PUTRATE(uvmexp.pdpageouts, PAGEROW + 2, PAGECOL + 10, 5); 492 PUTRATE(uvmexp.swapins, PAGEROW + 2, PAGECOL + 15, 5); /* - */ 493 PUTRATE(uvmexp.swapouts, PAGEROW + 2, PAGECOL + 20, 5); /* - */ 494 #if 0 495 PUTRATE(uvmexp.v_pgpgin, PAGEROW + 3, PAGECOL + 5, 5); /* ? */ 496 #endif 497 PUTRATE(uvmexp.pdfreed, PAGEROW + 3, PAGECOL + 10, 5); /* ? */ 498 #if 0 499 PUTRATE(uvmexp.v_pswpin, PAGEROW + 3, PAGECOL + 15, 5); /* - */ 500 PUTRATE(uvmexp.v_pswpout, PAGEROW + 3, PAGECOL + 20, 5); /* - */ 501 #endif 502 PUTRATE(uvmexp.swtch, GENSTATROW + 1, GENSTATCOL, 5); 503 PUTRATE(uvmexp.traps, GENSTATROW + 1, GENSTATCOL + 5, 5); 504 PUTRATE(uvmexp.syscalls, GENSTATROW + 1, GENSTATCOL + 10, 5); 505 PUTRATE(uvmexp.intrs, GENSTATROW + 1, GENSTATCOL + 15, 5); 506 PUTRATE(uvmexp.softs, GENSTATROW + 1, GENSTATCOL + 20, 5); 507 PUTRATE(uvmexp.faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 508 #else 509 PUTRATE(Cnt.v_cow_faults, VMSTATROW + 0, VMSTATCOL + 3, 6); 510 PUTRATE(Cnt.v_lookups, VMSTATROW + 1, VMSTATCOL + 3, 6); 511 PUTRATE(Cnt.v_hits, VMSTATROW + 2, VMSTATCOL + 3, 6); 512 PUTRATE(Cnt.v_zfod, VMSTATROW + 3, VMSTATCOL + 4, 5); 513 PUTRATE(Cnt.v_nzfod, VMSTATROW + 4, VMSTATCOL + 3, 6); 514 putfloat(cnt.v_nzfod == 0 ? 0.0 : (100.0 * cnt.v_zfod / cnt.v_nzfod), 515 VMSTATROW + 5, VMSTATCOL + 2, 7, 2, 1); 516 putint(pgtokb(cnt.v_kernel_pages), VMSTATROW + 6, VMSTATCOL, 9); 517 putint(pgtokb(cnt.v_wire_count), VMSTATROW + 7, VMSTATCOL, 9); 518 putint(pgtokb(cnt.v_active_count), VMSTATROW + 8, VMSTATCOL, 9); 519 putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 9, VMSTATCOL, 9); 520 putint(pgtokb(cnt.v_free_count), VMSTATROW + 10, VMSTATCOL, 9); 521 PUTRATE(Cnt.v_dfree, VMSTATROW + 11, VMSTATCOL, 9); 522 PUTRATE(Cnt.v_pfree, VMSTATROW + 12, VMSTATCOL, 9); 523 PUTRATE(Cnt.v_reactivated, VMSTATROW + 13, VMSTATCOL, 9); 524 PUTRATE(Cnt.v_scan, VMSTATROW + 14, VMSTATCOL, 9); 525 PUTRATE(Cnt.v_rev, VMSTATROW + 15, VMSTATCOL, 9); 526 if (LINES - 1 > VMSTATROW + 16) 527 PUTRATE(Cnt.v_intrans, VMSTATROW + 16, VMSTATCOL, 9); 528 PUTRATE(Cnt.v_pageins, PAGEROW + 2, PAGECOL + 5, 5); 529 PUTRATE(Cnt.v_pageouts, PAGEROW + 2, PAGECOL + 10, 5); 530 PUTRATE(Cnt.v_swpin, PAGEROW + 2, PAGECOL + 15, 5); /* - */ 531 PUTRATE(Cnt.v_swpout, PAGEROW + 2, PAGECOL + 20, 5); /* - */ 532 PUTRATE(Cnt.v_pgpgin, PAGEROW + 3, PAGECOL + 5, 5); /* ? */ 533 PUTRATE(Cnt.v_pgpgout, PAGEROW + 3, PAGECOL + 10, 5); /* ? */ 534 PUTRATE(Cnt.v_pswpin, PAGEROW + 3, PAGECOL + 15, 5); /* - */ 535 PUTRATE(Cnt.v_pswpout, PAGEROW + 3, PAGECOL + 20, 5); /* - */ 536 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 537 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 538 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 539 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 540 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 541 PUTRATE(Cnt.v_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 542 #endif 543 mvprintw(DISKROW, DISKCOL + 5, " "); 544 for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++) 545 if (dk_select[i]) { 546 mvprintw(DISKROW, DISKCOL + 5 + 5 * c, 547 " %3.3s", dr_name[i]); 548 dinfo(i, ++c); 549 } 550 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 551 putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9); 552 #define nz(x) ((x) ? (x) : 1) 553 putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount), 554 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 555 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 556 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 557 NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1); 558 #undef nz 559 } 560 561 int 562 cmdkre(cmd, args) 563 char *cmd, *args; 564 { 565 566 if (prefix(cmd, "run")) { 567 copyinfo(&s2, &s1); 568 state = RUN; 569 return (1); 570 } 571 if (prefix(cmd, "boot")) { 572 state = BOOT; 573 copyinfo(&z, &s1); 574 return (1); 575 } 576 if (prefix(cmd, "time")) { 577 state = TIME; 578 return (1); 579 } 580 if (prefix(cmd, "zero")) { 581 if (state == RUN) 582 getinfo(&s1, RUN); 583 return (1); 584 } 585 return (dkcmd(cmd, args)); 586 } 587 588 /* calculate number of users on the system */ 589 static int 590 ucount() 591 { 592 int nusers = 0; 593 594 if (ut < 0) 595 return (0); 596 while (read(ut, &utmp, sizeof(utmp))) 597 if (utmp.ut_name[0] != '\0') 598 nusers++; 599 600 lseek(ut, (off_t)0, SEEK_SET); 601 return (nusers); 602 } 603 604 static float 605 cputime(indx) 606 int indx; 607 { 608 double t; 609 int i; 610 611 t = 0; 612 for (i = 0; i < CPUSTATES; i++) 613 t += s.time[i]; 614 if (t == 0.0) 615 t = 1.0; 616 return (s.time[indx] * 100.0 / t); 617 } 618 619 static void 620 putint(n, l, c, w) 621 int n, l, c, w; 622 { 623 char b[128]; 624 625 move(l, c); 626 if (n == 0) { 627 while (w-- > 0) 628 addch(' '); 629 return; 630 } 631 sprintf(b, "%*d", w, n); 632 if (strlen(b) > w) { 633 while (w-- > 0) 634 addch('*'); 635 return; 636 } 637 addstr(b); 638 } 639 640 static void 641 putfloat(f, l, c, w, d, nz) 642 double f; 643 int l, c, w, d, nz; 644 { 645 char b[128]; 646 647 move(l, c); 648 if (nz && f == 0.0) { 649 while (--w >= 0) 650 addch(' '); 651 return; 652 } 653 sprintf(b, "%*.*f", w, d, f); 654 if (strlen(b) > w) { 655 while (--w >= 0) 656 addch('*'); 657 return; 658 } 659 addstr(b); 660 } 661 662 static void 663 getinfo(s, st) 664 struct Info *s; 665 enum state st; 666 { 667 int mib[2]; 668 size_t size; 669 extern int errno; 670 671 dkreadstats(); 672 NREAD(X_CPTIME, s->time, sizeof s->time); 673 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats); 674 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 675 #if defined(UVM) 676 size = sizeof(s->uvmexp); 677 mib[0] = CTL_VM; 678 mib[1] = VM_UVMEXP; 679 if (sysctl(mib, 2, &s->uvmexp, &size, NULL, 0) < 0) { 680 error("can't get uvmexp: %s\n", strerror(errno)); 681 memset(&s->uvmexp, 0, sizeof(s->uvmexp)); 682 } 683 #else 684 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt); 685 #endif 686 size = sizeof(s->Total); 687 mib[0] = CTL_VM; 688 mib[1] = VM_METER; 689 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 690 error("Can't get kernel info: %s\n", strerror(errno)); 691 memset(&s->Total, 0, sizeof(s->Total)); 692 } 693 } 694 695 static void 696 allocinfo(s) 697 struct Info *s; 698 { 699 700 s->intrcnt = (long *) malloc(nintr * sizeof(long)); 701 if (s->intrcnt == NULL) 702 errx(2, "out of memory"); 703 } 704 705 static void 706 copyinfo(from, to) 707 struct Info *from, *to; 708 { 709 long *intrcnt; 710 711 intrcnt = to->intrcnt; 712 *to = *from; 713 memmove(to->intrcnt = intrcnt, from->intrcnt, nintr * sizeof (int)); 714 } 715 716 static void 717 dinfo(dn, c) 718 int dn, c; 719 { 720 double words, atime; 721 722 c = DISKCOL + c * 5; 723 724 /* time busy in disk activity */ 725 atime = (double)cur.dk_time[dn].tv_sec + 726 ((double)cur.dk_time[dn].tv_usec / (double)1000000); 727 728 words = cur.dk_bytes[dn] / 1024.0; /* # of K transferred */ 729 730 putint((int)((float)cur.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5); 731 putint((int)((float)cur.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5); 732 putint((int)(words/etime + 0.5), DISKROW + 3, c, 5); 733 putfloat(atime/etime, DISKROW + 4, c, 5, 1, 1); 734 } 735
Indexes created Tue Sep 23 07:09:52 GMT 2025