vmstat.c revision 155665
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 155665 2006-02-14 09:33:51Z 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 2 184#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 46 188#define INTSROW 6 /* uses all rows to bottom and 17 cols */ 189#define INTSCOL 63 190#define PROCSROW 7 /* uses 2 rows and 18 cols */ 191#define PROCSCOL 0 192#define GENSTATROW 7 /* uses 2 rows and 30 cols */ 193#define GENSTATCOL 20 194#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 NAMEIROW 14 /* uses 3 rows and 37 cols */ 199#define NAMEICOL 0 200#define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 201#define DISKCOL 0 202 203#define DRIVESPACE 7 /* max # for space */ 204 205#define MAXDRIVES DRIVESPACE /* max # to display */ 206 207int 208initkre() 209{ 210 char *intrnamebuf, *cp; 211 int i; 212 size_t sz; 213 214 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 215 warnx("%s", devstat_errbuf); 216 return(0); 217 } 218 219 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 220 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 221 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 222 bzero(cur.dinfo, sizeof(struct devinfo)); 223 bzero(last.dinfo, sizeof(struct devinfo)); 224 bzero(run.dinfo, sizeof(struct devinfo)); 225 226 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 227 return(0); 228 229 if (nintr == 0) { 230 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 231 error("sysctl(hw.intrcnt...) failed: %s", 232 strerror(errno)); 233 return (0); 234 } 235 nintr = sz / sizeof(u_long); 236 intrloc = calloc(nintr, sizeof (long)); 237 intrname = calloc(nintr, sizeof (char *)); 238 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 239 if (intrnamebuf == NULL || intrname == NULL || 240 intrloc == NULL) { 241 error("Out of memory"); 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 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 252 intrname[i] = cp; 253 cp += strlen(cp) + 1; 254 } 255 nextintsrow = INTSROW + 2; 256 allocinfo(&s); 257 allocinfo(&s1); 258 allocinfo(&s2); 259 allocinfo(&z); 260 } 261 getinfo(&s2); 262 copyinfo(&s2, &s1); 263 return(1); 264} 265 266void 267fetchkre() 268{ 269 time_t now; 270 struct tm *tp; 271 static int d_first = -1; 272 273 if (d_first < 0) 274 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 275 276 time(&now); 277 tp = localtime(&now); 278 (void) strftime(buf, sizeof(buf), 279 d_first ? "%e %b %R" : "%b %e %R", tp); 280 getinfo(&s); 281} 282 283void 284labelkre() 285{ 286 int i, j; 287 288 clear(); 289 mvprintw(STATROW, STATCOL + 4, "users Load"); 290 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 291 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 292 mvprintw(MEMROW + 2, MEMCOL, "Act"); 293 mvprintw(MEMROW + 3, MEMCOL, "All"); 294 295 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 296 297 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 298 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 299 mvprintw(PAGEROW + 2, PAGECOL, "count"); 300 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 301 302 mvprintw(INTSROW, INTSCOL + 2, "Interrupts"); 303 mvprintw(INTSROW + 1, INTSCOL + 7, "total"); 304 305 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 306 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 307 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 308 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 309 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 310 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 311 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 312 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 313 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 314 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 315 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 316 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 317 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 318 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 319 320 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 321 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 322 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes"); 323 324 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 325 326 mvprintw(GRAPHROW, GRAPHCOL, 327 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 328 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 329 mvprintw(GRAPHROW + 1, GRAPHCOL, 330 "| | | | | | | | | | |"); 331 332 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 333 mvprintw(NAMEIROW + 1, NAMEICOL, 334 " Calls hits %% hits %%"); 335 mvprintw(DISKROW, DISKCOL, "Disks"); 336 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 337 mvprintw(DISKROW + 2, DISKCOL, "tps"); 338 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 339 mvprintw(DISKROW + 4, DISKCOL, "%% busy"); 340 /* 341 * For now, we don't support a fourth disk statistic. So there's 342 * no point in providing a label for it. If someone can think of a 343 * fourth useful disk statistic, there is room to add it. 344 */ 345 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 346 j = 0; 347 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 348 if (dev_select[i].selected) { 349 char tmpstr[80]; 350 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 351 dev_select[i].unit_number); 352 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 353 " %5.5s", tmpstr); 354 j++; 355 } 356 357 if (j <= 4) { 358 /* 359 * room for extended VM stats 360 */ 361 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 362 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod"); 363 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 364 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 365 extended_vm_stats = 1; 366 } else { 367 extended_vm_stats = 0; 368 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 369 } 370 371 for (i = 0; i < nintr; i++) { 372 if (intrloc[i] == 0) 373 continue; 374 mvprintw(intrloc[i], INTSCOL + 7, "%-10.10s", intrname[i]); 375 } 376} 377 378#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 379#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 380#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 381#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 382 if(state == TIME) s1.nchstats.fld = t;} 383#define PUTRATE(fld, l, c, w) \ 384do { \ 385 Y(fld); \ 386 putint((int)((float)s.fld/etime + 0.5), l, c, w); \ 387} while (0) 388#define MAXFAIL 5 389 390static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 391static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 392 CP_IDLE }; 393 394void 395showkre() 396{ 397 float f1, f2; 398 int psiz, inttotal; 399 int i, j, k, l, lc; 400 static int failcnt = 0; 401 char intrbuffer[10]; 402 403 etime = 0; 404 for(i = 0; i < CPUSTATES; i++) { 405 X(time); 406 Q(cp_time); 407 etime += s.time[i]; 408 } 409 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 410 if (failcnt++ >= MAXFAIL) { 411 clear(); 412 mvprintw(2, 10, "The alternate system clock has died!"); 413 mvprintw(3, 10, "Reverting to ``pigs'' display."); 414 move(CMDLINE, 0); 415 refresh(); 416 failcnt = 0; 417 sleep(5); 418 command("pigs"); 419 } 420 return; 421 } 422 failcnt = 0; 423 etime /= hertz; 424 etime /= ncpu; 425 inttotal = 0; 426 for (i = 0; i < nintr; i++) { 427 if (s.intrcnt[i] == 0) 428 continue; 429 if (intrloc[i] == 0) { 430 if (nextintsrow == LINES) 431 continue; 432 intrloc[i] = nextintsrow++; 433 k = 0; 434 for (j = 0; j < (int)sizeof(intrbuffer); j++) { 435 if (strncmp(&intrname[i][j], "irq", 3) == 0) 436 j += 3; 437 intrbuffer[k++] = intrname[i][j]; 438 } 439 intrbuffer[k] = '\0'; 440 mvprintw(intrloc[i], INTSCOL + 7, "%-10.10s", 441 intrbuffer); 442 } 443 X(intrcnt); 444 l = (int)((float)s.intrcnt[i]/etime + 0.5); 445 inttotal += l; 446 putint(l, intrloc[i], INTSCOL, 6); 447 } 448 putint(inttotal, INTSROW + 1, INTSCOL, 6); 449 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 450 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 451 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 452 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 453 if (state == TIME) 454 s1.nchcount = s.nchcount; 455 456 psiz = 0; 457 f2 = 0.0; 458 for (lc = 0; lc < CPUSTATES; lc++) { 459 i = cpuorder[lc]; 460 f1 = cputime(i); 461 f2 += f1; 462 l = (int) ((f2 + 1.0) / 2.0) - psiz; 463 if (f1 > 99.9) 464 f1 = 99.9; /* no room to display 100.0 */ 465 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 466 move(GRAPHROW + 2, psiz); 467 psiz += l; 468 while (l-- > 0) 469 addch(cpuchar[lc]); 470 } 471 472 putint(ucount(), STATROW, STATCOL, 3); 473 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 474 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 475 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 476 mvaddstr(STATROW, STATCOL + 53, buf); 477#define pgtokb(pg) ((pg) * (s.v_page_size / 1024)) 478 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 479 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 480 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 481 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 482 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 483 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 484 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 485 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 486 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 487 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 488 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 489 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 490 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 491 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 492 if (extended_vm_stats == 0) 493 PUTRATE(v_zfod, VMSTATROW + 0, VMSTATCOL, 9); 494 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 9 - 3); 495 putint(pgtokb(s.v_wire_count), VMSTATROW + 2, VMSTATCOL + 3, 9 - 3); 496 putint(pgtokb(s.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 497 putint(pgtokb(s.v_inactive_count), VMSTATROW + 4, VMSTATCOL + 2, 9 - 2); 498 putint(pgtokb(s.v_cache_count), VMSTATROW + 5, VMSTATCOL + 3, 9 - 3); 499 putint(pgtokb(s.v_free_count), VMSTATROW + 6, VMSTATCOL + 3, 9 - 3); 500 PUTRATE(v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 501 PUTRATE(v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 502 PUTRATE(v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 503 PUTRATE(v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 504 PUTRATE(v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 505 PUTRATE(v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 506 507 if (extended_vm_stats) { 508 PUTRATE(v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 509 PUTRATE(v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 510 putint( 511 ((s.v_ozfod < s.v_zfod) ? 512 s.v_ozfod * 100 / s.v_zfod : 513 0 514 ), 515 VMSTATROW + 13, 516 VMSTATCOL - 16, 517 9 518 ); 519 PUTRATE(v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 520 } 521 522 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 523 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9); 524 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9); 525 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9); 526 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9); 527 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 528 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 529 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 530 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 531 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 532 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 533 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 534 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 535 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 536 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 537 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 538 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 539 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 540 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 541 mvprintw(DISKROW, DISKCOL + 5, " "); 542 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 543 if (dev_select[i].selected) { 544 char tmpstr[80]; 545 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 546 dev_select[i].unit_number); 547 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc, 548 " %5.5s", tmpstr); 549 switch(state) { 550 case TIME: 551 dinfo(i, ++lc, &cur, &last); 552 break; 553 case RUN: 554 dinfo(i, ++lc, &cur, &run); 555 break; 556 case BOOT: 557 dinfo(i, ++lc, &cur, NULL); 558 break; 559 } 560 } 561 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 562 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 563 NAMEIROW + 2, NAMEICOL + 9, 9); 564#define nz(x) ((x) ? (x) : 1) 565 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 566 100.0 / nz(s.nchcount), 567 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 568 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 569 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 570 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 571#undef nz 572} 573 574int 575cmdkre(cmd, args) 576 const char *cmd, *args; 577{ 578 int retval; 579 580 if (prefix(cmd, "run")) { 581 retval = 1; 582 copyinfo(&s2, &s1); 583 switch (devstat_getdevs(NULL, &run)) { 584 case -1: 585 errx(1, "%s", devstat_errbuf); 586 break; 587 case 1: 588 num_devices = run.dinfo->numdevs; 589 generation = run.dinfo->generation; 590 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 591 if (retval == 2) 592 labelkre(); 593 break; 594 default: 595 break; 596 } 597 state = RUN; 598 return (retval); 599 } 600 if (prefix(cmd, "boot")) { 601 state = BOOT; 602 copyinfo(&z, &s1); 603 return (1); 604 } 605 if (prefix(cmd, "time")) { 606 state = TIME; 607 return (1); 608 } 609 if (prefix(cmd, "zero")) { 610 retval = 1; 611 if (state == RUN) { 612 getinfo(&s1); 613 switch (devstat_getdevs(NULL, &run)) { 614 case -1: 615 errx(1, "%s", devstat_errbuf); 616 break; 617 case 1: 618 num_devices = run.dinfo->numdevs; 619 generation = run.dinfo->generation; 620 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 621 if (retval == 2) 622 labelkre(); 623 break; 624 default: 625 break; 626 } 627 } 628 return (retval); 629 } 630 retval = dscmd(cmd, args, MAXDRIVES, &cur); 631 632 if (retval == 2) 633 labelkre(); 634 635 return(retval); 636} 637 638/* calculate number of users on the system */ 639static int 640ucount() 641{ 642 int nusers = 0; 643 644 if (ut < 0) 645 return (0); 646 while (read(ut, &utmp, sizeof(utmp))) 647 if (utmp.ut_name[0] != '\0') 648 nusers++; 649 650 lseek(ut, 0L, L_SET); 651 return (nusers); 652} 653 654static float 655cputime(indx) 656 int indx; 657{ 658 double lt; 659 int i; 660 661 lt = 0; 662 for (i = 0; i < CPUSTATES; i++) 663 lt += s.time[i]; 664 if (lt == 0.0) 665 lt = 1.0; 666 return (s.time[indx] * 100.0 / lt); 667} 668 669static void 670putint(n, l, lc, w) 671 int n, l, lc, w; 672{ 673 char b[128]; 674 675 move(l, lc); 676 if (n == 0) { 677 while (w-- > 0) 678 addch(' '); 679 return; 680 } 681 snprintf(b, sizeof(b), "%*d", w, n); 682 if ((int)strlen(b) > w) 683 snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000); 684 if ((int)strlen(b) > w) 685 snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000); 686 addstr(b); 687} 688 689static void 690putfloat(f, l, lc, w, d, nz) 691 double f; 692 int l, lc, w, d, nz; 693{ 694 char b[128]; 695 696 move(l, lc); 697 if (nz && f == 0.0) { 698 while (--w >= 0) 699 addch(' '); 700 return; 701 } 702 snprintf(b, sizeof(b), "%*.*f", w, d, f); 703 if ((int)strlen(b) > w) 704 snprintf(b, sizeof(b), "%*.0f", w, f); 705 if ((int)strlen(b) > w) { 706 while (--w >= 0) 707 addch('*'); 708 return; 709 } 710 addstr(b); 711} 712 713static void 714putlongdouble(f, l, lc, w, d, nz) 715 long double f; 716 int l, lc, w, d, nz; 717{ 718 char b[128]; 719 720 move(l, lc); 721 if (nz && f == 0.0) { 722 while (--w >= 0) 723 addch(' '); 724 return; 725 } 726 sprintf(b, "%*.*Lf", w, d, f); 727 if ((int)strlen(b) > w) 728 sprintf(b, "%*.0Lf", w, f); 729 if ((int)strlen(b) > w) { 730 while (--w >= 0) 731 addch('*'); 732 return; 733 } 734 addstr(b); 735} 736 737static void 738getinfo(ls) 739 struct Info *ls; 740{ 741 struct devinfo *tmp_dinfo; 742 size_t size; 743 int mib[2]; 744 745 GETSYSCTL("kern.cp_time", ls->time); 746 GETSYSCTL("kern.cp_time", cur.cp_time); 747 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 748 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 749 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 750 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 751 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 752 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 753 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 754 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 755 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 756 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 757 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 758 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 759 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 760 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 761 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 762 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 763 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 764 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 765 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 766 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 767 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 768 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 769 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 770 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 771 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size); 772 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 773 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 774 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 775 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 776 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count); 777 GETSYSCTL("vfs.bufspace", ls->bufspace); 778 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes); 779 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 780 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 781 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 782 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 783 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 784 785 size = sizeof(ls->Total); 786 mib[0] = CTL_VM; 787 mib[1] = VM_TOTAL; 788 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 789 error("Can't get kernel info: %s\n", strerror(errno)); 790 bzero(&ls->Total, sizeof(ls->Total)); 791 } 792 size = sizeof(ncpu); 793 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 794 size != sizeof(ncpu)) 795 ncpu = 1; 796 797 tmp_dinfo = last.dinfo; 798 last.dinfo = cur.dinfo; 799 cur.dinfo = tmp_dinfo; 800 801 last.snap_time = cur.snap_time; 802 switch (devstat_getdevs(NULL, &cur)) { 803 case -1: 804 errx(1, "%s", devstat_errbuf); 805 break; 806 case 1: 807 num_devices = cur.dinfo->numdevs; 808 generation = cur.dinfo->generation; 809 cmdkre("refresh", NULL); 810 break; 811 default: 812 break; 813 } 814} 815 816static void 817allocinfo(ls) 818 struct Info *ls; 819{ 820 821 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 822 if (ls->intrcnt == NULL) 823 errx(2, "out of memory"); 824} 825 826static void 827copyinfo(from, to) 828 struct Info *from, *to; 829{ 830 long *intrcnt; 831 832 /* 833 * time, wds, seek, and xfer are malloc'd so we have to 834 * save the pointers before the structure copy and then 835 * copy by hand. 836 */ 837 intrcnt = to->intrcnt; 838 *to = *from; 839 840 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 841} 842 843static void 844dinfo(dn, lc, now, then) 845 int dn, lc; 846 struct statinfo *now, *then; 847{ 848 long double transfers_per_second; 849 long double kb_per_transfer, mb_per_second; 850 long double elapsed_time, device_busy; 851 int di; 852 853 di = dev_select[dn].position; 854 855 if (then != NULL) { 856 /* Calculate relative to previous sample */ 857 elapsed_time = now->snap_time - then->snap_time; 858 } else { 859 /* Calculate relative to device creation */ 860 elapsed_time = now->snap_time - devstat_compute_etime( 861 &now->dinfo->devices[di].creation_time, NULL); 862 } 863 864 if (devstat_compute_statistics(&now->dinfo->devices[di], then ? 865 &then->dinfo->devices[di] : NULL, elapsed_time, 866 DSM_KB_PER_TRANSFER, &kb_per_transfer, 867 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 868 DSM_MB_PER_SECOND, &mb_per_second, 869 DSM_BUSY_PCT, &device_busy, 870 DSM_NONE) != 0) 871 errx(1, "%s", devstat_errbuf); 872 873 lc = DISKCOL + lc * 6; 874 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 875 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0); 876 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0); 877 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0); 878} 879