vmstat.c revision 111002
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#include <sys/cdefs.h> 35 36__FBSDID("$FreeBSD: head/usr.bin/systat/vmstat.c 111002 2003-02-16 14:13:23Z phk $"); 37 38#ifdef lint 39static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 40#endif 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/vmmeter.h> 54 55#include <vm/vm_param.h> 56 57#include <ctype.h> 58#include <err.h> 59#include <errno.h> 60#include <langinfo.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 <devstat.h> 70#include "systat.h" 71#include "extern.h" 72#include "devs.h" 73 74static struct Info { 75 long time[CPUSTATES]; 76 u_int v_swtch; /* context switches */ 77 u_int v_trap; /* calls to trap */ 78 u_int v_syscall; /* calls to syscall() */ 79 u_int v_intr; /* device interrupts */ 80 u_int v_soft; /* software interrupts */ 81 /* 82 * Virtual memory activity. 83 */ 84 u_int v_vm_faults; /* number of address memory faults */ 85 u_int v_cow_faults; /* number of copy-on-writes */ 86 u_int v_zfod; /* pages zero filled on demand */ 87 u_int v_ozfod; /* optimized zero fill pages */ 88 u_int v_swapin; /* swap pager pageins */ 89 u_int v_swapout; /* swap pager pageouts */ 90 u_int v_swappgsin; /* swap pager pages paged in */ 91 u_int v_swappgsout; /* swap pager pages paged out */ 92 u_int v_vnodein; /* vnode pager pageins */ 93 u_int v_vnodeout; /* vnode pager pageouts */ 94 u_int v_vnodepgsin; /* vnode_pager pages paged in */ 95 u_int v_vnodepgsout; /* vnode pager pages paged out */ 96 u_int v_intrans; /* intransit blocking page faults */ 97 u_int v_reactivated; /* number of pages reactivated from free list */ 98 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */ 99 u_int v_pdpages; /* number of pages analyzed by daemon */ 100 101 u_int v_dfree; /* pages freed by daemon */ 102 u_int v_pfree; /* pages freed by exiting processes */ 103 u_int v_tfree; /* total pages freed */ 104 /* 105 * Distribution of page usages. 106 */ 107 u_int v_page_size; /* page size in bytes */ 108 u_int v_free_count; /* number of pages free */ 109 u_int v_wire_count; /* number of pages wired down */ 110 u_int v_active_count; /* number of pages active */ 111 u_int v_inactive_count; /* number of pages inactive */ 112 u_int v_cache_count; /* number of pages on buffer cache queue */ 113 struct vmtotal Total; 114 struct nchstats nchstats; 115 long nchcount; 116 long *intrcnt; 117 int bufspace; 118 int desiredvnodes; 119 long numvnodes; 120 long freevnodes; 121 int numdirtybuffers; 122} s, s1, s2, z; 123 124struct statinfo cur, last, run; 125 126#define total s.Total 127#define nchtotal s.nchstats 128#define oldnchtotal s1.nchstats 129 130static enum state { BOOT, TIME, RUN } state = TIME; 131 132static void allocinfo(struct Info *); 133static void copyinfo(struct Info *, struct Info *); 134static float cputime(int); 135static void dinfo(int, int, struct statinfo *, struct statinfo *); 136static void getinfo(struct Info *); 137static void putint(int, int, int, int); 138static void putfloat(double, int, int, int, int, int); 139static void putlongdouble(long double, int, int, int, int, int); 140static int ucount(void); 141 142static int ncpu; 143static int ut; 144static char buf[26]; 145static time_t t; 146static double etime; 147static int nintr; 148static long *intrloc; 149static char **intrname; 150static int nextintsrow; 151static int extended_vm_stats; 152 153struct utmp utmp; 154 155 156WINDOW * 157openkre() 158{ 159 160 ut = open(_PATH_UTMP, O_RDONLY); 161 if (ut < 0) 162 error("No utmp"); 163 return (stdscr); 164} 165 166void 167closekre(w) 168 WINDOW *w; 169{ 170 171 (void) close(ut); 172 if (w == NULL) 173 return; 174 wclear(w); 175 wrefresh(w); 176} 177 178/* 179 * These constants define where the major pieces are laid out 180 */ 181#define STATROW 0 /* uses 1 row and 68 cols */ 182#define STATCOL 2 183#define MEMROW 2 /* uses 4 rows and 31 cols */ 184#define MEMCOL 0 185#define PAGEROW 2 /* uses 4 rows and 26 cols */ 186#define PAGECOL 46 187#define INTSROW 6 /* uses all rows to bottom and 17 cols */ 188#define INTSCOL 61 189#define PROCSROW 7 /* uses 2 rows and 20 cols */ 190#define PROCSCOL 0 191#define GENSTATROW 7 /* uses 2 rows and 30 cols */ 192#define GENSTATCOL 20 193#define VMSTATROW 6 /* uses 17 rows and 12 cols */ 194#define VMSTATCOL 48 195#define GRAPHROW 10 /* uses 3 rows and 51 cols */ 196#define GRAPHCOL 0 197#define NAMEIROW 14 /* uses 3 rows and 38 cols */ 198#define NAMEICOL 0 199#define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 200#define DISKCOL 0 201 202#define DRIVESPACE 7 /* max # for space */ 203 204#define MAXDRIVES DRIVESPACE /* max # to display */ 205 206int 207initkre() 208{ 209 char *intrnamebuf, *cp; 210 int i; 211 size_t sz; 212 213 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 214 warnx("%s", devstat_errbuf); 215 return(0); 216 } 217 218 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 219 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 220 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 221 bzero(cur.dinfo, sizeof(struct devinfo)); 222 bzero(last.dinfo, sizeof(struct devinfo)); 223 bzero(run.dinfo, sizeof(struct devinfo)); 224 225 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 226 return(0); 227 228 if (nintr == 0) { 229 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 230 error("sysctl(hw.intrcnt...) failed: %s", 231 strerror(errno)); 232 return (0); 233 } 234 nintr = sz / sizeof(u_long); 235 intrloc = calloc(nintr, sizeof (long)); 236 intrname = calloc(nintr, sizeof (char *)); 237 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 238 if (intrnamebuf == NULL || intrname == NULL || 239 intrloc == NULL) { 240 error("Out of memory"); 241 if (intrnamebuf) 242 free(intrnamebuf); 243 if (intrname) 244 free(intrname); 245 if (intrloc) 246 free(intrloc); 247 nintr = 0; 248 return(0); 249 } 250 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 251 intrname[i] = cp; 252 cp += strlen(cp) + 1; 253 } 254 nextintsrow = INTSROW + 2; 255 allocinfo(&s); 256 allocinfo(&s1); 257 allocinfo(&s2); 258 allocinfo(&z); 259 } 260 getinfo(&s2); 261 copyinfo(&s2, &s1); 262 return(1); 263} 264 265void 266fetchkre() 267{ 268 time_t now; 269 struct tm *tp; 270 static int d_first = -1; 271 272 if (d_first < 0) 273 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 274 275 time(&now); 276 tp = localtime(&now); 277 (void) strftime(buf, sizeof(buf), 278 d_first ? "%e %b %R" : "%b %e %R", tp); 279 getinfo(&s); 280} 281 282void 283labelkre() 284{ 285 int i, j; 286 287 clear(); 288 mvprintw(STATROW, STATCOL + 4, "users Load"); 289 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 290 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 291 mvprintw(MEMROW + 2, MEMCOL, "Act"); 292 mvprintw(MEMROW + 3, MEMCOL, "All"); 293 294 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 295 296 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 297 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 298 mvprintw(PAGEROW + 2, PAGECOL, "count"); 299 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 300 301 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 302 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 303 304 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 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 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 318 319 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 320 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 321 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes"); 322 323 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 324 325 mvprintw(GRAPHROW, GRAPHCOL, 326 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 327 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 328 mvprintw(GRAPHROW + 1, GRAPHCOL, 329 "| | | | | | | | | | |"); 330 331 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 332 mvprintw(NAMEIROW + 1, NAMEICOL, 333 " Calls hits %% hits %%"); 334 mvprintw(DISKROW, DISKCOL, "Disks"); 335 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 336 mvprintw(DISKROW + 2, DISKCOL, "tps"); 337 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 338 mvprintw(DISKROW + 4, DISKCOL, "%% busy"); 339 /* 340 * For now, we don't support a fourth disk statistic. So there's 341 * no point in providing a label for it. If someone can think of a 342 * fourth useful disk statistic, there is room to add it. 343 */ 344 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 345 j = 0; 346 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 347 if (dev_select[i].selected) { 348 char tmpstr[80]; 349 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 350 dev_select[i].unit_number); 351 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 352 " %5.5s", tmpstr); 353 j++; 354 } 355 356 if (j <= 4) { 357 /* 358 * room for extended VM stats 359 */ 360 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 361 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod"); 362 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 363 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 364 extended_vm_stats = 1; 365 } else { 366 extended_vm_stats = 0; 367 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 368 } 369 370 for (i = 0; i < nintr; i++) { 371 if (intrloc[i] == 0) 372 continue; 373 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 374 } 375} 376 377#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 378#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 379#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 380#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 381 if(state == TIME) s1.nchstats.fld = t;} 382#define PUTRATE(fld, l, c, w) \ 383 Y(fld); \ 384 putint((int)((float)s.fld/etime + 0.5), l, c, w) 385#define MAXFAIL 5 386 387static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 388static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 389 CP_IDLE }; 390 391void 392showkre() 393{ 394 float f1, f2; 395 int psiz, inttotal; 396 int i, j, k, l, lc; 397 static int failcnt = 0; 398 char intrbuffer[10]; 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 k = 0; 431 for (j = 0; j < (int)sizeof(intrbuffer); j++) { 432 if (strncmp(&intrname[i][j], "irq", 3) == 0) 433 j += 3; 434 intrbuffer[k++] = intrname[i][j]; 435 } 436 intrbuffer[k] = '\0'; 437 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 438 intrbuffer); 439 } 440 X(intrcnt); 441 l = (int)((float)s.intrcnt[i]/etime + 0.5); 442 inttotal += l; 443 putint(l, intrloc[i], INTSCOL + 2, 6); 444 } 445 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 446 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 447 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 448 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 449 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 450 if (state == TIME) 451 s1.nchcount = s.nchcount; 452 453 psiz = 0; 454 f2 = 0.0; 455 for (lc = 0; lc < CPUSTATES; lc++) { 456 i = cpuorder[lc]; 457 f1 = cputime(i); 458 f2 += f1; 459 l = (int) ((f2 + 1.0) / 2.0) - psiz; 460 if (f1 > 99.9) 461 f1 = 99.9; /* no room to display 100.0 */ 462 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 463 move(GRAPHROW + 2, psiz); 464 psiz += l; 465 while (l-- > 0) 466 addch(cpuchar[lc]); 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#define pgtokb(pg) ((pg) * s.v_page_size / 1024) 475 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 476 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 477 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 478 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 479 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 480 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 481 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 482 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 483 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 484 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 485 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 486 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 487 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 488 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 489 if (extended_vm_stats == 0) { 490 PUTRATE(v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 491 } 492 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 493 putint(pgtokb(s.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 494 putint(pgtokb(s.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 495 putint(pgtokb(s.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 496 putint(pgtokb(s.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 497 putint(pgtokb(s.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 498 PUTRATE(v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 499 PUTRATE(v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 500 PUTRATE(v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 501 PUTRATE(v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 502 PUTRATE(v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 503 PUTRATE(v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 504 505 if (extended_vm_stats) { 506 PUTRATE(v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 507 PUTRATE(v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 508 putint( 509 ((s.v_ozfod < s.v_zfod) ? 510 s.v_ozfod * 100 / s.v_zfod : 511 0 512 ), 513 VMSTATROW + 13, 514 VMSTATCOL - 16, 515 9 516 ); 517 PUTRATE(v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 518 } 519 520 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 521 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9); 522 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9); 523 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9); 524 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9); 525 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 526 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 527 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 528 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 529 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 530 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 531 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 532 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 533 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 534 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 535 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 536 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 537 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 538 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 539 mvprintw(DISKROW, DISKCOL + 5, " "); 540 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 541 if (dev_select[i].selected) { 542 char tmpstr[80]; 543 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 544 dev_select[i].unit_number); 545 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc, 546 " %5.5s", tmpstr); 547 switch(state) { 548 case TIME: 549 dinfo(i, ++lc, &cur, &last); 550 break; 551 case RUN: 552 dinfo(i, ++lc, &cur, &run); 553 break; 554 case BOOT: 555 dinfo(i, ++lc, &cur, NULL); 556 break; 557 } 558 } 559 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 560 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 561 NAMEIROW + 2, NAMEICOL + 9, 9); 562#define nz(x) ((x) ? (x) : 1) 563 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 564 100.0 / nz(s.nchcount), 565 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 566 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 567 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 568 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 569#undef nz 570} 571 572int 573cmdkre(cmd, args) 574 const char *cmd, *args; 575{ 576 int retval; 577 578 if (prefix(cmd, "run")) { 579 retval = 1; 580 copyinfo(&s2, &s1); 581 switch (devstat_getdevs(NULL, &run)) { 582 case -1: 583 errx(1, "%s", devstat_errbuf); 584 break; 585 case 1: 586 num_devices = run.dinfo->numdevs; 587 generation = run.dinfo->generation; 588 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 589 if (retval == 2) 590 labelkre(); 591 break; 592 default: 593 break; 594 } 595 state = RUN; 596 return (retval); 597 } 598 if (prefix(cmd, "boot")) { 599 state = BOOT; 600 copyinfo(&z, &s1); 601 return (1); 602 } 603 if (prefix(cmd, "time")) { 604 state = TIME; 605 return (1); 606 } 607 if (prefix(cmd, "zero")) { 608 retval = 1; 609 if (state == RUN) { 610 getinfo(&s1); 611 switch (devstat_getdevs(NULL, &run)) { 612 case -1: 613 errx(1, "%s", devstat_errbuf); 614 break; 615 case 1: 616 num_devices = run.dinfo->numdevs; 617 generation = run.dinfo->generation; 618 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 619 if (retval == 2) 620 labelkre(); 621 break; 622 default: 623 break; 624 } 625 } 626 return (retval); 627 } 628 retval = dscmd(cmd, args, MAXDRIVES, &cur); 629 630 if (retval == 2) 631 labelkre(); 632 633 return(retval); 634} 635 636/* calculate number of users on the system */ 637static int 638ucount() 639{ 640 int nusers = 0; 641 642 if (ut < 0) 643 return (0); 644 while (read(ut, &utmp, sizeof(utmp))) 645 if (utmp.ut_name[0] != '\0') 646 nusers++; 647 648 lseek(ut, 0L, L_SET); 649 return (nusers); 650} 651 652static float 653cputime(indx) 654 int indx; 655{ 656 double lt; 657 int i; 658 659 lt = 0; 660 for (i = 0; i < CPUSTATES; i++) 661 lt += s.time[i]; 662 if (lt == 0.0) 663 lt = 1.0; 664 return (s.time[indx] * 100.0 / lt); 665} 666 667static void 668putint(n, l, lc, w) 669 int n, l, lc, w; 670{ 671 char b[128]; 672 673 move(l, lc); 674 if (n == 0) { 675 while (w-- > 0) 676 addch(' '); 677 return; 678 } 679 snprintf(b, sizeof(b), "%*d", w, n); 680 if ((int)strlen(b) > w) { 681 while (w-- > 0) 682 addch('*'); 683 return; 684 } 685 addstr(b); 686} 687 688static void 689putfloat(f, l, lc, w, d, nz) 690 double f; 691 int l, lc, w, d, nz; 692{ 693 char b[128]; 694 695 move(l, lc); 696 if (nz && f == 0.0) { 697 while (--w >= 0) 698 addch(' '); 699 return; 700 } 701 snprintf(b, sizeof(b), "%*.*f", w, d, f); 702 if ((int)strlen(b) > w) 703 snprintf(b, sizeof(b), "%*.0f", w, f); 704 if ((int)strlen(b) > w) { 705 while (--w >= 0) 706 addch('*'); 707 return; 708 } 709 addstr(b); 710} 711 712static void 713putlongdouble(f, l, lc, w, d, nz) 714 long double f; 715 int l, lc, w, d, nz; 716{ 717 char b[128]; 718 719 move(l, lc); 720 if (nz && f == 0.0) { 721 while (--w >= 0) 722 addch(' '); 723 return; 724 } 725 sprintf(b, "%*.*Lf", w, d, f); 726 if ((int)strlen(b) > w) 727 sprintf(b, "%*.0Lf", w, f); 728 if ((int)strlen(b) > w) { 729 while (--w >= 0) 730 addch('*'); 731 return; 732 } 733 addstr(b); 734} 735 736static void 737getinfo(ls) 738 struct Info *ls; 739{ 740 struct devinfo *tmp_dinfo; 741 size_t size; 742 int mib[2]; 743 744 GETSYSCTL("kern.cp_time", ls->time); 745 GETSYSCTL("kern.cp_time", cur.cp_time); 746 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 747 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 748 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 749 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 750 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 751 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 752 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 753 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 754 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 755 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 756 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 757 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 758 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 759 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 760 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 761 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 762 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 763 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 764 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 765 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 766 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 767 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 768 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 769 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 770 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size); 771 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 772 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 773 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 774 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 775 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count); 776 GETSYSCTL("vfs.bufspace", ls->bufspace); 777 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes); 778 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 779 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 780 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 781 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 782 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 783 784 size = sizeof(ls->Total); 785 mib[0] = CTL_VM; 786 mib[1] = VM_TOTAL; 787 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 788 error("Can't get kernel info: %s\n", strerror(errno)); 789 bzero(&ls->Total, sizeof(ls->Total)); 790 } 791 size = sizeof(ncpu); 792 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 793 size != sizeof(ncpu)) 794 ncpu = 1; 795 796 tmp_dinfo = last.dinfo; 797 last.dinfo = cur.dinfo; 798 cur.dinfo = tmp_dinfo; 799 800 last.busy_time = cur.busy_time; 801 switch (devstat_getdevs(NULL, &cur)) { 802 case -1: 803 errx(1, "%s", devstat_errbuf); 804 break; 805 case 1: 806 num_devices = cur.dinfo->numdevs; 807 generation = cur.dinfo->generation; 808 cmdkre("refresh", NULL); 809 break; 810 default: 811 break; 812 } 813} 814 815static void 816allocinfo(ls) 817 struct Info *ls; 818{ 819 820 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 821 if (ls->intrcnt == NULL) 822 errx(2, "out of memory"); 823} 824 825static void 826copyinfo(from, to) 827 struct Info *from, *to; 828{ 829 long *intrcnt; 830 831 /* 832 * time, wds, seek, and xfer are malloc'd so we have to 833 * save the pointers before the structure copy and then 834 * copy by hand. 835 */ 836 intrcnt = to->intrcnt; 837 *to = *from; 838 839 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 840} 841 842static void 843dinfo(dn, lc, now, then) 844 int dn, lc; 845 struct statinfo *now, *then; 846{ 847 long double transfers_per_second; 848 long double kb_per_transfer, mb_per_second; 849 long double elapsed_time, device_busy; 850 int di; 851 852 di = dev_select[dn].position; 853 854 elapsed_time = devstat_compute_etime(now->busy_time, 855 then ? then->busy_time : now->dinfo->devices[di].dev_creation_time); 856 857 device_busy = devstat_compute_etime(now->dinfo->devices[di].busy_time, 858 then ? then->dinfo->devices[di].busy_time : 859 now->dinfo->devices[di].dev_creation_time); 860 861 if (devstat_compute_statistics(&now->dinfo->devices[di], then ? 862 &then->dinfo->devices[di] : NULL, elapsed_time, 863 DSM_KB_PER_TRANSFER, &kb_per_transfer, DSM_TRANSFERS_PER_SECOND, 864 &transfers_per_second, DSM_MB_PER_SECOND, &mb_per_second, 865 DSM_NONE) != 0) 866 errx(1, "%s", devstat_errbuf); 867 868 if ((device_busy == 0) && (transfers_per_second > 5)) 869 /* the device has been 100% busy, fake it because 870 * as long as the device is 100% busy the busy_time 871 * field in the devstat struct is not updated */ 872 device_busy = elapsed_time; 873 if (device_busy > elapsed_time) 874 /* this normally happens after one or more periods 875 * where the device has been 100% busy, correct it */ 876 device_busy = elapsed_time; 877 878 lc = DISKCOL + lc * 6; 879 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 880 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0); 881 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0); 882 putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, lc, 5, 0, 0); 883} 884