vmstat.c revision 28149
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 36static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 37#endif 38static const char rcsid[] = 39 "$Id$"; 40#endif /* not lint */ 41 42/* 43 * Cursed vmstat -- from Robert Elz. 44 */ 45 46#include <sys/param.h> 47#include <sys/dkstat.h> 48#include <sys/buf.h> 49#include <sys/stat.h> 50#include <sys/time.h> 51#include <sys/proc.h> 52#include <sys/uio.h> 53#include <sys/namei.h> 54#include <sys/sysctl.h> 55#include <sys/vmmeter.h> 56 57#include <vm/vm_param.h> 58 59#include <ctype.h> 60#include <err.h> 61#include <nlist.h> 62#include <paths.h> 63#include <signal.h> 64#include <stdlib.h> 65#include <string.h> 66#include <time.h> 67#include <unistd.h> 68#include <utmp.h> 69#include "systat.h" 70#include "extern.h" 71 72static struct Info { 73 long time[CPUSTATES]; 74 struct vmmeter Cnt; 75 struct vmtotal Total; 76 long *dk_time; 77 long *dk_wds; 78 long *dk_seek; 79 long *dk_xfer; 80 int dk_busy; 81 struct nchstats nchstats; 82 long nchcount; 83 long *intrcnt; 84 int bufspace; 85} s, s1, s2, z; 86 87#define cnt s.Cnt 88#define oldcnt s1.Cnt 89#define total s.Total 90#define nchtotal s.nchstats 91#define oldnchtotal s1.nchstats 92 93static enum state { BOOT, TIME, RUN } state = TIME; 94 95static void allocinfo __P((struct Info *)); 96static void copyinfo __P((struct Info *, struct Info *)); 97static float cputime __P((int)); 98static void dinfo __P((int, int)); 99static void getinfo __P((struct Info *, enum state)); 100static void putint __P((int, int, int, int)); 101static void putfloat __P((double, int, int, int, int, int)); 102static int ucount __P((void)); 103 104static int ut; 105static char buf[26]; 106static time_t t; 107static double etime; 108static int nintr; 109static long *intrloc; 110static char **intrname; 111static int nextintsrow; 112 113struct utmp utmp; 114 115 116WINDOW * 117openkre() 118{ 119 120 ut = open(_PATH_UTMP, O_RDONLY); 121 if (ut < 0) 122 error("No utmp"); 123 return (stdscr); 124} 125 126void 127closekre(w) 128 WINDOW *w; 129{ 130 131 (void) close(ut); 132 if (w == NULL) 133 return; 134 wclear(w); 135 wrefresh(w); 136} 137 138 139static struct nlist namelist[] = { 140#define X_CPTIME 0 141 { "_cp_time" }, 142#define X_CNT 1 143 { "_cnt" }, 144#define X_BUFFERSPACE 2 145 { "_bufspace" }, 146#define X_DK_BUSY 3 147 { "_dk_busy" }, 148#define X_DK_TIME 4 149 { "_dk_time" }, 150#define X_DK_XFER 5 151 { "_dk_xfer" }, 152#define X_DK_WDS 6 153 { "_dk_wds" }, 154#define X_DK_SEEK 7 155 { "_dk_seek" }, 156#define X_NCHSTATS 8 157 { "_nchstats" }, 158#define X_INTRNAMES 9 159 { "_intrnames" }, 160#define X_EINTRNAMES 10 161 { "_eintrnames" }, 162#define X_INTRCNT 11 163 { "_intrcnt" }, 164#define X_EINTRCNT 12 165 { "_eintrcnt" }, 166 { "" }, 167}; 168 169/* 170 * These constants define where the major pieces are laid out 171 */ 172#define STATROW 0 /* uses 1 row and 68 cols */ 173#define STATCOL 2 174#define MEMROW 2 /* uses 4 rows and 31 cols */ 175#define MEMCOL 0 176#define PAGEROW 2 /* uses 4 rows and 26 cols */ 177#define PAGECOL 46 178#define INTSROW 6 /* uses all rows to bottom and 17 cols */ 179#define INTSCOL 61 180#define PROCSROW 7 /* uses 2 rows and 20 cols */ 181#define PROCSCOL 0 182#define GENSTATROW 7 /* uses 2 rows and 30 cols */ 183#define GENSTATCOL 20 184#define VMSTATROW 6 /* uses 17 rows and 12 cols */ 185#define VMSTATCOL 48 186#define GRAPHROW 10 /* uses 3 rows and 51 cols */ 187#define GRAPHCOL 0 188#define NAMEIROW 14 /* uses 3 rows and 38 cols */ 189#define NAMEICOL 0 190#define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 191#define DISKCOL 0 192 193#define DRIVESPACE 9 /* max # for space */ 194 195#if DK_NDRIVE > DRIVESPACE 196#define MAXDRIVES DRIVESPACE /* max # to display */ 197#else 198#define MAXDRIVES DK_NDRIVE /* max # to display */ 199#endif 200 201int 202initkre() 203{ 204 char *intrnamebuf, *cp; 205 int i; 206 static int once = 0; 207 208 if (namelist[0].n_type == 0) { 209 if (kvm_nlist(kd, namelist)) { 210 nlisterr(namelist); 211 return(0); 212 } 213 if (namelist[0].n_type == 0) { 214 error("No namelist"); 215 return(0); 216 } 217 } 218 if (! dkinit()) 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 allocate(dk_time, long); 227 allocate(dk_wds, long); 228 allocate(dk_seek, long); 229 allocate(dk_xfer, long); 230 once = 1; 231#undef allocate 232 } 233 if (nintr == 0) { 234 nintr = (namelist[X_EINTRCNT].n_value - 235 namelist[X_INTRCNT].n_value) / sizeof (long); 236 intrloc = calloc(nintr, sizeof (long)); 237 intrname = calloc(nintr, sizeof (long)); 238 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value - 239 namelist[X_INTRNAMES].n_value); 240 if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) { 241 error("Out of memory\n"); 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 NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) - 252 NVAL(X_INTRNAMES)); 253 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 254 intrname[i] = cp; 255 cp += strlen(cp) + 1; 256 } 257 nextintsrow = INTSROW + 2; 258 allocinfo(&s); 259 allocinfo(&s1); 260 allocinfo(&s2); 261 allocinfo(&z); 262 } 263 getinfo(&s2, RUN); 264 copyinfo(&s2, &s1); 265 return(1); 266} 267 268void 269fetchkre() 270{ 271 time_t now; 272 struct tm *tp; 273 274 time(&now); 275 tp = localtime(&now); 276 (void) strftime(buf, sizeof(buf), "%c", tp); 277 buf[16] = '\0'; 278 getinfo(&s, state); 279} 280 281void 282labelkre() 283{ 284 register int i, j; 285 286 clear(); 287 mvprintw(STATROW, STATCOL + 4, "users Load"); 288 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 289 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 290 mvprintw(MEMROW + 2, MEMCOL, "Act"); 291 mvprintw(MEMROW + 3, MEMCOL, "All"); 292 293 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 294 295 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 296 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 297 mvprintw(PAGEROW + 2, PAGECOL, "count"); 298 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 299 300 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 301 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 302 303 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "cow"); 304 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "zfod"); 305 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 306 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 307 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 308 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 309 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 310 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 311 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 312 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 313 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 314 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 315 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 316 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 317 318 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 319 320 mvprintw(GRAPHROW, GRAPHCOL, 321 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 322 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 323 mvprintw(GRAPHROW + 1, GRAPHCOL, 324 "| | | | | | | | | | |"); 325 326 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 327 mvprintw(NAMEIROW + 1, NAMEICOL, 328 " Calls hits %% hits %%"); 329 mvprintw(DISKROW, DISKCOL, "Discs"); 330 mvprintw(DISKROW + 1, DISKCOL, "seeks"); 331 mvprintw(DISKROW + 2, DISKCOL, "xfers"); 332 mvprintw(DISKROW + 3, DISKCOL, " blks"); 333 mvprintw(DISKROW + 4, DISKCOL, " msps"); 334 j = 0; 335 for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++) 336 if (dk_select[i]) { 337 mvprintw(DISKROW, DISKCOL + 5 + 5 * j, 338 " %4.4s", dr_name[j]); 339 j++; 340 } 341 for (i = 0; i < nintr; i++) { 342 if (intrloc[i] == 0) 343 continue; 344 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 345 } 346} 347 348#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 349#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 350#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 351 if(state == TIME) s1.nchstats.fld = t;} 352#define PUTRATE(fld, l, c, w) \ 353 Y(fld); \ 354 putint((int)((float)s.fld/etime + 0.5), l, c, w) 355#define MAXFAIL 5 356 357static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 358static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 359 CP_IDLE }; 360 361void 362showkre() 363{ 364 float f1, f2; 365 int psiz, inttotal; 366 int i, l, c; 367 static int failcnt = 0; 368 369 for (i = 0; i < dk_ndrive; i++) { 370 X(dk_xfer); X(dk_seek); X(dk_wds); X(dk_time); 371 } 372 etime = 0; 373 for(i = 0; i < CPUSTATES; i++) { 374 X(time); 375 etime += s.time[i]; 376 } 377 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 378 if (failcnt++ >= MAXFAIL) { 379 clear(); 380 mvprintw(2, 10, "The alternate system clock has died!"); 381 mvprintw(3, 10, "Reverting to ``pigs'' display."); 382 move(CMDLINE, 0); 383 refresh(); 384 failcnt = 0; 385 sleep(5); 386 command("pigs"); 387 } 388 return; 389 } 390 failcnt = 0; 391 etime /= hertz; 392 inttotal = 0; 393 for (i = 0; i < nintr; i++) { 394 if (s.intrcnt[i] == 0) 395 continue; 396 if (intrloc[i] == 0) { 397 if (nextintsrow == LINES) 398 continue; 399 intrloc[i] = nextintsrow++; 400 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 401 intrname[i]); 402 } 403 X(intrcnt); 404 l = (int)((float)s.intrcnt[i]/etime + 0.5); 405 inttotal += l; 406 putint(l, intrloc[i], INTSCOL + 2, 6); 407 } 408 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 409 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 410 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 411 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 412 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 413 if (state == TIME) 414 s1.nchcount = s.nchcount; 415 416 psiz = 0; 417 f2 = 0.0; 418 for (c = 0; c < CPUSTATES; c++) { 419 i = cpuorder[c]; 420 f1 = cputime(i); 421 f2 += f1; 422 l = (int) ((f2 + 1.0) / 2.0) - psiz; 423 if (f1 > 99.9) 424 f1 = 99.9; /* no room to display 100.0 */ 425 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 426 move(GRAPHROW + 2, psiz); 427 psiz += l; 428 while (l-- > 0) 429 addch(cpuchar[c]); 430 } 431 432 putint(ucount(), STATROW, STATCOL, 3); 433 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 434 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 435 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 436 mvaddstr(STATROW, STATCOL + 53, buf); 437#define pgtokb(pg) ((pg) * cnt.v_page_size / 1024) 438 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 439 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 440 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 441 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 442 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 443 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 444 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 445 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 446 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 447 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 448 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 449 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 450 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 451 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 452 PUTRATE(Cnt.v_cow_faults, VMSTATROW + 0, VMSTATCOL + 3, 6); 453 PUTRATE(Cnt.v_zfod, VMSTATROW + 1, VMSTATCOL + 4, 5); 454 putint(pgtokb(cnt.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 455 putint(pgtokb(cnt.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 456 putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 457 putint(pgtokb(cnt.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 458 putint(pgtokb(cnt.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 459 PUTRATE(Cnt.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 460 PUTRATE(Cnt.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 461 PUTRATE(Cnt.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 462 PUTRATE(Cnt.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 463 PUTRATE(Cnt.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 464 PUTRATE(Cnt.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 465 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 466 PUTRATE(Cnt.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 467 PUTRATE(Cnt.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 468 PUTRATE(Cnt.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 469 PUTRATE(Cnt.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 470 PUTRATE(Cnt.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 471 PUTRATE(Cnt.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 472 PUTRATE(Cnt.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 473 PUTRATE(Cnt.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 474 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 475 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 476 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 477 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 478 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 479 PUTRATE(Cnt.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 480 mvprintw(DISKROW, DISKCOL + 5, " "); 481 for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++) 482 if (dk_select[i]) { 483 mvprintw(DISKROW, DISKCOL + 5 + 5 * c, 484 " %4.4s", dr_name[i]); 485 dinfo(i, ++c); 486 } 487 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 488 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 489 NAMEIROW + 2, NAMEICOL + 9, 9); 490#define nz(x) ((x) ? (x) : 1) 491 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 492 100.0 / nz(s.nchcount), 493 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 494 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 495 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 496 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 497#undef nz 498} 499 500int 501cmdkre(cmd, args) 502 char *cmd, *args; 503{ 504 505 if (prefix(cmd, "run")) { 506 copyinfo(&s2, &s1); 507 state = RUN; 508 return (1); 509 } 510 if (prefix(cmd, "boot")) { 511 state = BOOT; 512 copyinfo(&z, &s1); 513 return (1); 514 } 515 if (prefix(cmd, "time")) { 516 state = TIME; 517 return (1); 518 } 519 if (prefix(cmd, "zero")) { 520 if (state == RUN) 521 getinfo(&s1, RUN); 522 return (1); 523 } 524 return (dkcmd(cmd, args)); 525} 526 527/* calculate number of users on the system */ 528static int 529ucount() 530{ 531 register int nusers = 0; 532 533 if (ut < 0) 534 return (0); 535 while (read(ut, &utmp, sizeof(utmp))) 536 if (utmp.ut_name[0] != '\0') 537 nusers++; 538 539 lseek(ut, 0L, L_SET); 540 return (nusers); 541} 542 543static float 544cputime(indx) 545 int indx; 546{ 547 double t; 548 register int i; 549 550 t = 0; 551 for (i = 0; i < CPUSTATES; i++) 552 t += s.time[i]; 553 if (t == 0.0) 554 t = 1.0; 555 return (s.time[indx] * 100.0 / t); 556} 557 558static void 559putint(n, l, c, w) 560 int n, l, c, w; 561{ 562 char b[128]; 563 564 move(l, c); 565 if (n == 0) { 566 while (w-- > 0) 567 addch(' '); 568 return; 569 } 570 sprintf(b, "%*d", w, n); 571 if (strlen(b) > w) { 572 while (w-- > 0) 573 addch('*'); 574 return; 575 } 576 addstr(b); 577} 578 579static void 580putfloat(f, l, c, w, d, nz) 581 double f; 582 int l, c, w, d, nz; 583{ 584 char b[128]; 585 586 move(l, c); 587 if (nz && f == 0.0) { 588 while (--w >= 0) 589 addch(' '); 590 return; 591 } 592 sprintf(b, "%*.*f", w, d, f); 593 if (strlen(b) > w) { 594 while (--w >= 0) 595 addch('*'); 596 return; 597 } 598 addstr(b); 599} 600 601static void 602getinfo(s, st) 603 struct Info *s; 604 enum state st; 605{ 606 int mib[2], size; 607 extern int errno; 608 609 NREAD(X_CPTIME, s->time, sizeof s->time); 610 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt); 611 NREAD(X_BUFFERSPACE, &s->bufspace, LONG); 612 NREAD(X_DK_BUSY, &s->dk_busy, LONG); 613 NREAD(X_DK_TIME, s->dk_time, dk_ndrive * LONG); 614 NREAD(X_DK_XFER, s->dk_xfer, dk_ndrive * LONG); 615 NREAD(X_DK_WDS, s->dk_wds, dk_ndrive * LONG); 616 NREAD(X_DK_SEEK, s->dk_seek, dk_ndrive * LONG); 617 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats); 618 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG); 619 size = sizeof(s->Total); 620 mib[0] = CTL_VM; 621 mib[1] = VM_METER; 622 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) { 623 error("Can't get kernel info: %s\n", strerror(errno)); 624 bzero(&s->Total, sizeof(s->Total)); 625 } 626} 627 628static void 629allocinfo(s) 630 struct Info *s; 631{ 632 633 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 634 if (s->intrcnt == NULL) 635 errx(2, "out of memory"); 636} 637 638static void 639copyinfo(from, to) 640 register struct Info *from, *to; 641{ 642 long *time, *wds, *seek, *xfer; 643 long *intrcnt; 644 645 /* 646 * time, wds, seek, and xfer are malloc'd so we have to 647 * save the pointers before the structure copy and then 648 * copy by hand. 649 */ 650 time = to->dk_time; wds = to->dk_wds; seek = to->dk_seek; 651 xfer = to->dk_xfer; intrcnt = to->intrcnt; 652 *to = *from; 653 bcopy(from->dk_time, to->dk_time = time, dk_ndrive * sizeof (long)); 654 bcopy(from->dk_wds, to->dk_wds = wds, dk_ndrive * sizeof (long)); 655 bcopy(from->dk_seek, to->dk_seek = seek, dk_ndrive * sizeof (long)); 656 bcopy(from->dk_xfer, to->dk_xfer = xfer, dk_ndrive * sizeof (long)); 657 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 658} 659 660static void 661dinfo(dn, c) 662 int dn, c; 663{ 664 double words, atime, itime, xtime; 665 666 c = DISKCOL + c * 5; 667 atime = s.dk_time[dn]; 668 atime /= hertz; 669 words = s.dk_wds[dn]*32.0; /* number of words transferred */ 670 xtime = dk_mspw[dn]*words; /* transfer time */ 671 itime = atime - xtime; /* time not transferring */ 672 if (xtime < 0) 673 itime += xtime, xtime = 0; 674 if (itime < 0) 675 xtime += itime, itime = 0; 676 putint((int)((float)s.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5); 677 putint((int)((float)s.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5); 678 putint((int)(words/etime/512.0 + 0.5), DISKROW + 3, c, 5); 679 if (s.dk_seek[dn]) 680 putfloat(itime*1000.0/s.dk_seek[dn], DISKROW + 4, c, 5, 1, 1); 681 else 682 putint(0, DISKROW + 4, c, 5); 683} 684