vmstat.c revision 158187
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 158187 2006-04-30 20:31:00Z bde $"); 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/resource.h> 53#include <sys/sysctl.h> 54#include <sys/vmmeter.h> 55 56#include <vm/vm_param.h> 57 58#include <ctype.h> 59#include <err.h> 60#include <errno.h> 61#include <langinfo.h> 62#include <nlist.h> 63#include <paths.h> 64#include <signal.h> 65#include <stdlib.h> 66#include <string.h> 67#include <time.h> 68#include <unistd.h> 69#include <utmp.h> 70#include <devstat.h> 71#include "systat.h" 72#include "extern.h" 73#include "devs.h" 74 75static struct Info { 76 long time[CPUSTATES]; 77 u_int v_swtch; /* context switches */ 78 u_int v_trap; /* calls to trap */ 79 u_int v_syscall; /* calls to syscall() */ 80 u_int v_intr; /* device interrupts */ 81 u_int v_soft; /* software interrupts */ 82 /* 83 * Virtual memory activity. 84 */ 85 u_int v_vm_faults; /* number of address memory faults */ 86 u_int v_cow_faults; /* number of copy-on-writes */ 87 u_int v_zfod; /* pages zero filled on demand */ 88 u_int v_ozfod; /* optimized zero fill pages */ 89 u_int v_swapin; /* swap pager pageins */ 90 u_int v_swapout; /* swap pager pageouts */ 91 u_int v_swappgsin; /* swap pager pages paged in */ 92 u_int v_swappgsout; /* swap pager pages paged out */ 93 u_int v_vnodein; /* vnode pager pageins */ 94 u_int v_vnodeout; /* vnode pager pageouts */ 95 u_int v_vnodepgsin; /* vnode_pager pages paged in */ 96 u_int v_vnodepgsout; /* vnode pager pages paged out */ 97 u_int v_intrans; /* intransit blocking page faults */ 98 u_int v_reactivated; /* number of pages reactivated from free list */ 99 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */ 100 u_int v_pdpages; /* number of pages analyzed by daemon */ 101 102 u_int v_dfree; /* pages freed by daemon */ 103 u_int v_pfree; /* pages freed by exiting processes */ 104 u_int v_tfree; /* total pages freed */ 105 /* 106 * Distribution of page usages. 107 */ 108 u_int v_page_size; /* page size in bytes */ 109 u_int v_free_count; /* number of pages free */ 110 u_int v_wire_count; /* number of pages wired down */ 111 u_int v_active_count; /* number of pages active */ 112 u_int v_inactive_count; /* number of pages inactive */ 113 u_int v_cache_count; /* number of pages on buffer cache queue */ 114 struct vmtotal Total; 115 struct nchstats nchstats; 116 long nchcount; 117 long *intrcnt; 118 int bufspace; 119 int desiredvnodes; 120 long numvnodes; 121 long freevnodes; 122 int numdirtybuffers; 123} s, s1, s2, z; 124 125struct statinfo cur, last, run; 126 127#define total s.Total 128#define nchtotal s.nchstats 129#define oldnchtotal s1.nchstats 130 131static enum state { BOOT, TIME, RUN } state = TIME; 132 133static void allocinfo(struct Info *); 134static void copyinfo(struct Info *, struct Info *); 135static float cputime(int); 136static void dinfo(int, int, struct statinfo *, struct statinfo *); 137static void getinfo(struct Info *); 138static void putint(int, int, int, int); 139static void putfloat(double, int, int, int, int, int); 140static void putlongdouble(long double, int, int, int, int, int); 141static int ucount(void); 142 143static int ncpu; 144static int ut; 145static char buf[26]; 146static time_t t; 147static double etime; 148static int nintr; 149static long *intrloc; 150static char **intrname; 151static int nextintsrow; 152static int extended_vm_stats; 153 154struct utmp utmp; 155 156 157WINDOW * 158openkre() 159{ 160 161 ut = open(_PATH_UTMP, O_RDONLY); 162 if (ut < 0) 163 error("No utmp"); 164 return (stdscr); 165} 166 167void 168closekre(w) 169 WINDOW *w; 170{ 171 172 (void) close(ut); 173 if (w == NULL) 174 return; 175 wclear(w); 176 wrefresh(w); 177} 178 179/* 180 * These constants define where the major pieces are laid out 181 */ 182#define STATROW 0 /* uses 1 row and 67 cols */ 183#define STATCOL 0 184#define MEMROW 2 /* uses 4 rows and 45 cols */ 185#define MEMCOL 0 186#define PAGEROW 2 /* uses 4 rows and 27 cols */ 187#define PAGECOL 47 188#define INTSROW 6 /* uses all rows to bottom and 16 cols */ 189#define INTSCOL 64 190#define PROCSROW 6 /* uses 3 rows and 19 cols */ 191#define PROCSCOL 0 192#define GENSTATROW 7 /* uses 2 rows and 29 cols */ 193#define GENSTATCOL 21 194#define VMSTATROW 6 /* uses 17-18 rows and 12-15 cols */ 195#define VMSTATCOL 48 /* actually 50-51 for some fields */ 196#define GRAPHROW 10 /* uses 3 rows and 51 cols */ 197#define GRAPHCOL 0 198#define VNSTATROW 13 /* uses 4 rows and 13 columns */ 199#define VNSTATCOL 35 200#define NAMEIROW 14 /* uses 3 rows and 32 cols */ 201#define NAMEICOL 0 202#define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 203#define DISKCOL 0 204 205#define DRIVESPACE 7 /* max # for space */ 206 207#define MAXDRIVES DRIVESPACE /* max # to display */ 208 209int 210initkre() 211{ 212 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp; 213 int i; 214 size_t sz; 215 216 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 217 warnx("%s", devstat_errbuf); 218 return(0); 219 } 220 221 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 222 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 223 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 224 bzero(cur.dinfo, sizeof(struct devinfo)); 225 bzero(last.dinfo, sizeof(struct devinfo)); 226 bzero(run.dinfo, sizeof(struct devinfo)); 227 228 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 229 return(0); 230 231 if (nintr == 0) { 232 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 233 error("sysctl(hw.intrcnt...) failed: %s", 234 strerror(errno)); 235 return (0); 236 } 237 nintr = sz / sizeof(u_long); 238 intrloc = calloc(nintr, sizeof (long)); 239 intrname = calloc(nintr, sizeof (char *)); 240 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 241 if (intrnamebuf == NULL || intrname == NULL || 242 intrloc == NULL) { 243 error("Out of memory"); 244 if (intrnamebuf) 245 free(intrnamebuf); 246 if (intrname) 247 free(intrname); 248 if (intrloc) 249 free(intrloc); 250 nintr = 0; 251 return(0); 252 } 253 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 254 nextcp = cp + strlen(cp) + 1; 255 256 /* Discard trailing spaces. */ 257 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; ) 258 *--cp1 = '\0'; 259 260 /* Convert "irqN: name" to "name irqN". */ 261 if (strncmp(cp, "irq", 3) == 0) { 262 cp1 = cp + 3; 263 while (isdigit((u_char)*cp1)) 264 cp1++; 265 if (cp1 != cp && *cp1 == ':' && 266 *(cp1 + 1) == ' ') { 267 *cp1 = '\0'; 268 cp1 = cp1 + 2; 269 cp2 = strdup(cp); 270 bcopy(cp1, cp, strlen(cp1) + 1); 271 strcat(cp, " "); 272 strcat(cp, cp2); 273 free(cp2); 274 } 275 } 276 277 /* 278 * Convert "name irqN" to "name N" if the former is 279 * longer than the field width. 280 */ 281 if ((cp1 = strstr(cp, "irq")) != NULL && 282 strlen(cp) > 10) 283 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1); 284 285 intrname[i] = cp; 286 cp = nextcp; 287 } 288 nextintsrow = INTSROW + 2; 289 allocinfo(&s); 290 allocinfo(&s1); 291 allocinfo(&s2); 292 allocinfo(&z); 293 } 294 getinfo(&s2); 295 copyinfo(&s2, &s1); 296 return(1); 297} 298 299void 300fetchkre() 301{ 302 time_t now; 303 struct tm *tp; 304 static int d_first = -1; 305 306 if (d_first < 0) 307 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 308 309 time(&now); 310 tp = localtime(&now); 311 (void) strftime(buf, sizeof(buf), 312 d_first ? "%e %b %R" : "%b %e %R", tp); 313 getinfo(&s); 314} 315 316void 317labelkre() 318{ 319 int i, j; 320 321 clear(); 322 mvprintw(STATROW, STATCOL + 6, "users Load"); 323 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 324 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 325 mvprintw(MEMROW + 2, MEMCOL, "Act"); 326 mvprintw(MEMROW + 3, MEMCOL, "All"); 327 328 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 329 330 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER"); 331 mvprintw(PAGEROW + 1, PAGECOL, " in out in out"); 332 mvprintw(PAGEROW + 2, PAGECOL, "count"); 333 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 334 335 mvprintw(INTSROW, INTSCOL + 1, "Interrupts"); 336 mvprintw(INTSROW + 1, INTSCOL + 6, "total"); 337 338 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 339 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 340 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 341 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 342 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 343 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 344 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 345 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 346 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 347 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwak"); 348 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 349 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 350 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 351 352 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 353 354 mvprintw(GRAPHROW, GRAPHCOL, 355 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 356 mvprintw(PROCSROW, PROCSCOL, "Proc:"); 357 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w"); 358 mvprintw(GRAPHROW + 1, GRAPHCOL, 359 "| | | | | | | | | | |"); 360 361 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf"); 362 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn"); 363 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn"); 364 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn"); 365 366 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 367 mvprintw(NAMEIROW + 1, NAMEICOL, 368 " Calls hits %% hits %%"); 369 mvprintw(DISKROW, DISKCOL, "Disks"); 370 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 371 mvprintw(DISKROW + 2, DISKCOL, "tps"); 372 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 373 mvprintw(DISKROW + 4, DISKCOL, "%%busy"); 374 /* 375 * For now, we don't support a fourth disk statistic. So there's 376 * no point in providing a label for it. If someone can think of a 377 * fourth useful disk statistic, there is room to add it. 378 */ 379 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 380 j = 0; 381 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 382 if (dev_select[i].selected) { 383 char tmpstr[80]; 384 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 385 dev_select[i].unit_number); 386 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 387 " %5.5s", tmpstr); 388 j++; 389 } 390 391 if (j <= 4) { 392 /* 393 * room for extended VM stats 394 */ 395 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 396 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod"); 397 mvprintw(VMSTATROW + 13, VMSTATCOL - 7, "%%ozfod"); 398 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "totfr"); 399 extended_vm_stats = 1; 400 } else { 401 extended_vm_stats = 0; 402 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 403 } 404 405 for (i = 0; i < nintr; i++) { 406 if (intrloc[i] == 0) 407 continue; 408 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); 409 } 410} 411 412#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 413#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 414#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 415#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 416 if(state == TIME) s1.nchstats.fld = t;} 417#define PUTRATE(fld, l, c, w) \ 418do { \ 419 Y(fld); \ 420 putint((int)((float)s.fld/etime + 0.5), l, c, w); \ 421} while (0) 422#define MAXFAIL 5 423 424static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 425static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 426 CP_IDLE }; 427 428void 429showkre() 430{ 431 float f1, f2; 432 int psiz, inttotal; 433 int i, l, lc; 434 static int failcnt = 0; 435 436 etime = 0; 437 for(i = 0; i < CPUSTATES; i++) { 438 X(time); 439 Q(cp_time); 440 etime += s.time[i]; 441 } 442 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 443 if (failcnt++ >= MAXFAIL) { 444 clear(); 445 mvprintw(2, 10, "The alternate system clock has died!"); 446 mvprintw(3, 10, "Reverting to ``pigs'' display."); 447 move(CMDLINE, 0); 448 refresh(); 449 failcnt = 0; 450 sleep(5); 451 command("pigs"); 452 } 453 return; 454 } 455 failcnt = 0; 456 etime /= hertz; 457 etime /= ncpu; 458 inttotal = 0; 459 for (i = 0; i < nintr; i++) { 460 if (s.intrcnt[i] == 0) 461 continue; 462 if (intrloc[i] == 0) { 463 if (nextintsrow == LINES) 464 continue; 465 intrloc[i] = nextintsrow++; 466 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", 467 intrname[i]); 468 } 469 X(intrcnt); 470 l = (int)((float)s.intrcnt[i]/etime + 0.5); 471 inttotal += l; 472 putint(l, intrloc[i], INTSCOL, 5); 473 } 474 putint(inttotal, INTSROW + 1, INTSCOL, 5); 475 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 476 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 477 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 478 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 479 if (state == TIME) 480 s1.nchcount = s.nchcount; 481 482 psiz = 0; 483 f2 = 0.0; 484 for (lc = 0; lc < CPUSTATES; lc++) { 485 i = cpuorder[lc]; 486 f1 = cputime(i); 487 f2 += f1; 488 l = (int) ((f2 + 1.0) / 2.0) - psiz; 489 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 490 move(GRAPHROW + 2, psiz); 491 psiz += l; 492 while (l-- > 0) 493 addch(cpuchar[lc]); 494 } 495 496 putint(ucount(), STATROW, STATCOL, 5); 497 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0); 498 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0); 499 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0); 500 mvaddstr(STATROW, STATCOL + 55, buf); 501#define pgtokb(pg) ((pg) * (s.v_page_size / 1024)) 502 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7); 503 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7); 504 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8); 505 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8); 506 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7); 507 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7); 508 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8); 509 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8); 510 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7); 511 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3); 512 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3); 513 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3); 514 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3); 515 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3); 516 if (extended_vm_stats == 0) 517 PUTRATE(v_zfod, VMSTATROW + 0, VMSTATCOL, 9); 518 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 9 - 3); 519 putint(pgtokb(s.v_wire_count), VMSTATROW + 2, VMSTATCOL + 3, 9 - 3); 520 putint(pgtokb(s.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 521 putint(pgtokb(s.v_inactive_count), VMSTATROW + 4, VMSTATCOL + 2, 9 - 2); 522 putint(pgtokb(s.v_cache_count), VMSTATROW + 5, VMSTATCOL + 3, 9 - 3); 523 putint(pgtokb(s.v_free_count), VMSTATROW + 6, VMSTATCOL + 3, 9 - 3); 524 PUTRATE(v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 525 PUTRATE(v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 526 PUTRATE(v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 527 PUTRATE(v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 528 PUTRATE(v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 529 PUTRATE(v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 530 531 if (extended_vm_stats) { 532 PUTRATE(v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 533 PUTRATE(v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 534 putint( 535 ((s.v_zfod != 0) ? 536 (int)(s.v_ozfod * 100.0 / s.v_zfod) : 537 0 538 ), 539 VMSTATROW + 13, 540 VMSTATCOL - 16, 541 9 542 ); 543 PUTRATE(v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 544 } 545 546 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 547 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5); 548 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5); 549 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5); 550 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5); 551 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5); 552 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5); 553 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5); 554 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5); 555 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4); 556 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4); 557 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4); 558 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4); 559 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4); 560 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4); 561 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 562 if (dev_select[i].selected) { 563 switch(state) { 564 case TIME: 565 dinfo(i, ++lc, &cur, &last); 566 break; 567 case RUN: 568 dinfo(i, ++lc, &cur, &run); 569 break; 570 case BOOT: 571 dinfo(i, ++lc, &cur, NULL); 572 break; 573 } 574 } 575 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7); 576 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7); 577 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7); 578 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7); 579 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8); 580 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 581 NAMEIROW + 2, NAMEICOL + 9, 7); 582#define nz(x) ((x) ? (x) : 1) 583 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 584 100.0 / nz(s.nchcount), 585 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1); 586 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7); 587 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 588 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1); 589#undef nz 590} 591 592int 593cmdkre(cmd, args) 594 const char *cmd, *args; 595{ 596 int retval; 597 598 if (prefix(cmd, "run")) { 599 retval = 1; 600 copyinfo(&s2, &s1); 601 switch (devstat_getdevs(NULL, &run)) { 602 case -1: 603 errx(1, "%s", devstat_errbuf); 604 break; 605 case 1: 606 num_devices = run.dinfo->numdevs; 607 generation = run.dinfo->generation; 608 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 609 if (retval == 2) 610 labelkre(); 611 break; 612 default: 613 break; 614 } 615 state = RUN; 616 return (retval); 617 } 618 if (prefix(cmd, "boot")) { 619 state = BOOT; 620 copyinfo(&z, &s1); 621 return (1); 622 } 623 if (prefix(cmd, "time")) { 624 state = TIME; 625 return (1); 626 } 627 if (prefix(cmd, "zero")) { 628 retval = 1; 629 if (state == RUN) { 630 getinfo(&s1); 631 switch (devstat_getdevs(NULL, &run)) { 632 case -1: 633 errx(1, "%s", devstat_errbuf); 634 break; 635 case 1: 636 num_devices = run.dinfo->numdevs; 637 generation = run.dinfo->generation; 638 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 639 if (retval == 2) 640 labelkre(); 641 break; 642 default: 643 break; 644 } 645 } 646 return (retval); 647 } 648 retval = dscmd(cmd, args, MAXDRIVES, &cur); 649 650 if (retval == 2) 651 labelkre(); 652 653 return(retval); 654} 655 656/* calculate number of users on the system */ 657static int 658ucount() 659{ 660 int nusers = 0; 661 662 if (ut < 0) 663 return (0); 664 while (read(ut, &utmp, sizeof(utmp))) 665 if (utmp.ut_name[0] != '\0') 666 nusers++; 667 668 lseek(ut, 0L, L_SET); 669 return (nusers); 670} 671 672static float 673cputime(indx) 674 int indx; 675{ 676 double lt; 677 int i; 678 679 lt = 0; 680 for (i = 0; i < CPUSTATES; i++) 681 lt += s.time[i]; 682 if (lt == 0.0) 683 lt = 1.0; 684 return (s.time[indx] * 100.0 / lt); 685} 686 687static void 688putint(n, l, lc, w) 689 int n, l, lc, w; 690{ 691 int snr; 692 char b[128]; 693 694 move(l, lc); 695#ifdef DEBUG 696 while (w-- > 0) 697 addch('*'); 698 return; 699#endif 700 if (n == 0) { 701 while (w-- > 0) 702 addch(' '); 703 return; 704 } 705 snr = snprintf(b, sizeof(b), "%*d", w, n); 706 if (snr != w) 707 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000); 708 if (snr != w) 709 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000); 710 if (snr != w) { 711 while (w-- > 0) 712 addch('*'); 713 return; 714 } 715 addstr(b); 716} 717 718static void 719putfloat(f, l, lc, w, d, nz) 720 double f; 721 int l, lc, w, d, nz; 722{ 723 int snr; 724 char b[128]; 725 726 move(l, lc); 727#ifdef DEBUG 728 while (--w >= 0) 729 addch('*'); 730 return; 731#endif 732 if (nz && f == 0.0) { 733 while (--w >= 0) 734 addch(' '); 735 return; 736 } 737 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f); 738 if (snr != w) 739 snr = snprintf(b, sizeof(b), "%*.0f", w, f); 740 if (snr != w) { 741 while (--w >= 0) 742 addch('*'); 743 return; 744 } 745 addstr(b); 746} 747 748static void 749putlongdouble(f, l, lc, w, d, nz) 750 long double f; 751 int l, lc, w, d, nz; 752{ 753 int snr; 754 char b[128]; 755 756 move(l, lc); 757#ifdef DEBUG 758 while (--w >= 0) 759 addch('*'); 760 return; 761#endif 762 if (nz && f == 0.0) { 763 while (--w >= 0) 764 addch(' '); 765 return; 766 } 767 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f); 768 if (snr != w) 769 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f); 770 if (snr != w) { 771 while (--w >= 0) 772 addch('*'); 773 return; 774 } 775 addstr(b); 776} 777 778static void 779getinfo(ls) 780 struct Info *ls; 781{ 782 struct devinfo *tmp_dinfo; 783 size_t size; 784 int mib[2]; 785 786 GETSYSCTL("kern.cp_time", ls->time); 787 GETSYSCTL("kern.cp_time", cur.cp_time); 788 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 789 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 790 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 791 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 792 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 793 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 794 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 795 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 796 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 797 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 798 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 799 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 800 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 801 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 802 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 803 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 804 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 805 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 806 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 807 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 808 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 809 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 810 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 811 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 812 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size); 813 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 814 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 815 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 816 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 817 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count); 818 GETSYSCTL("vfs.bufspace", ls->bufspace); 819 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes); 820 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 821 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 822 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 823 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 824 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 825 826 size = sizeof(ls->Total); 827 mib[0] = CTL_VM; 828 mib[1] = VM_TOTAL; 829 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 830 error("Can't get kernel info: %s\n", strerror(errno)); 831 bzero(&ls->Total, sizeof(ls->Total)); 832 } 833 size = sizeof(ncpu); 834 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 835 size != sizeof(ncpu)) 836 ncpu = 1; 837 838 tmp_dinfo = last.dinfo; 839 last.dinfo = cur.dinfo; 840 cur.dinfo = tmp_dinfo; 841 842 last.snap_time = cur.snap_time; 843 switch (devstat_getdevs(NULL, &cur)) { 844 case -1: 845 errx(1, "%s", devstat_errbuf); 846 break; 847 case 1: 848 num_devices = cur.dinfo->numdevs; 849 generation = cur.dinfo->generation; 850 cmdkre("refresh", NULL); 851 break; 852 default: 853 break; 854 } 855} 856 857static void 858allocinfo(ls) 859 struct Info *ls; 860{ 861 862 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 863 if (ls->intrcnt == NULL) 864 errx(2, "out of memory"); 865} 866 867static void 868copyinfo(from, to) 869 struct Info *from, *to; 870{ 871 long *intrcnt; 872 873 /* 874 * time, wds, seek, and xfer are malloc'd so we have to 875 * save the pointers before the structure copy and then 876 * copy by hand. 877 */ 878 intrcnt = to->intrcnt; 879 *to = *from; 880 881 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 882} 883 884static void 885dinfo(dn, lc, now, then) 886 int dn, lc; 887 struct statinfo *now, *then; 888{ 889 long double transfers_per_second; 890 long double kb_per_transfer, mb_per_second; 891 long double elapsed_time, device_busy; 892 int di; 893 894 di = dev_select[dn].position; 895 896 if (then != NULL) { 897 /* Calculate relative to previous sample */ 898 elapsed_time = now->snap_time - then->snap_time; 899 } else { 900 /* Calculate relative to device creation */ 901 elapsed_time = now->snap_time - devstat_compute_etime( 902 &now->dinfo->devices[di].creation_time, NULL); 903 } 904 905 if (devstat_compute_statistics(&now->dinfo->devices[di], then ? 906 &then->dinfo->devices[di] : NULL, elapsed_time, 907 DSM_KB_PER_TRANSFER, &kb_per_transfer, 908 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 909 DSM_MB_PER_SECOND, &mb_per_second, 910 DSM_BUSY_PCT, &device_busy, 911 DSM_NONE) != 0) 912 errx(1, "%s", devstat_errbuf); 913 914 lc = DISKCOL + lc * 6; 915 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 916 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0); 917 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0); 918 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0); 919} 920