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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> 31 32__FBSDID("$FreeBSD$"); 33 34#ifdef lint 35static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 36#endif 37 38/* 39 * Cursed vmstat -- from Robert Elz. 40 */ 41 42#include <sys/param.h> 43#include <sys/stat.h> 44#include <sys/time.h> 45#include <sys/proc.h> 46#include <sys/uio.h> 47#include <sys/namei.h> 48#include <sys/resource.h> 49#include <sys/sysctl.h> 50#include <sys/vmmeter.h> 51 52#include <vm/vm_param.h> 53 54#include <ctype.h> 55#include <err.h> 56#include <errno.h> 57#include <langinfo.h> 58#include <nlist.h> 59#include <paths.h> 60#include <signal.h> 61#include <stdlib.h> 62#include <string.h> 63#include <time.h> 64#include <unistd.h> 65#include <utmpx.h> 66#include <devstat.h> 67#include "systat.h" 68#include "extern.h" 69#include "devs.h" 70 71static struct Info { 72 long time[CPUSTATES]; 73 u_int v_swtch; /* context switches */ 74 u_int v_trap; /* calls to trap */ 75 u_int v_syscall; /* calls to syscall() */ 76 u_int v_intr; /* device interrupts */ 77 u_int v_soft; /* software interrupts */ 78 /* 79 * Virtual memory activity. 80 */ 81 u_int v_vm_faults; /* number of address memory faults */ 82 u_int v_cow_faults; /* number of copy-on-writes */ 83 u_int v_zfod; /* pages zero filled on demand */ 84 u_int v_ozfod; /* optimized zero fill pages */ 85 u_int v_swapin; /* swap pager pageins */ 86 u_int v_swapout; /* swap pager pageouts */ 87 u_int v_swappgsin; /* swap pager pages paged in */ 88 u_int v_swappgsout; /* swap pager pages paged out */ 89 u_int v_vnodein; /* vnode pager pageins */ 90 u_int v_vnodeout; /* vnode pager pageouts */ 91 u_int v_vnodepgsin; /* vnode_pager pages paged in */ 92 u_int v_vnodepgsout; /* vnode pager pages paged out */ 93 u_int v_intrans; /* intransit blocking page faults */ 94 u_int v_reactivated; /* number of pages reactivated from free list */ 95 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */ 96 u_int v_pdpages; /* number of pages analyzed by daemon */ 97 98 u_int v_dfree; /* pages freed by daemon */ 99 u_int v_pfree; /* pages freed by exiting processes */ 100 u_int v_tfree; /* total pages freed */ 101 /* 102 * Distribution of page usages. 103 */ 104 u_int v_page_size; /* page size in bytes */ 105 u_int v_free_count; /* number of pages free */ 106 u_int v_wire_count; /* number of pages wired down */ 107 u_int v_active_count; /* number of pages active */ 108 u_int v_inactive_count; /* number of pages inactive */ 109 u_int v_cache_count; /* number of pages on buffer cache queue */ 110 struct vmtotal Total; 111 struct nchstats nchstats; 112 long nchcount; 113 long *intrcnt; 114 long bufspace; 115 int desiredvnodes; 116 long numvnodes; 117 long freevnodes; 118 int numdirtybuffers; 119} s, s1, s2, z; 120 121struct statinfo cur, last, run; 122 123#define total s.Total 124#define nchtotal s.nchstats 125#define oldnchtotal s1.nchstats 126 127static enum state { BOOT, TIME, RUN } state = TIME; 128 129static void allocinfo(struct Info *); 130static void copyinfo(struct Info *, struct Info *); 131static float cputime(int); 132static void dinfo(int, int, struct statinfo *, struct statinfo *); 133static void getinfo(struct Info *); 134static void putint(int, int, int, int); 135static void putfloat(double, int, int, int, int, int); 136static void putlongdouble(long double, int, int, int, int, int); 137static int ucount(void); 138 139static int ncpu; 140static char buf[26]; 141static time_t t; 142static double etime; 143static int nintr; 144static long *intrloc; 145static char **intrname; 146static int nextintsrow; 147 148WINDOW * 149openkre(void) 150{ 151 152 return (stdscr); 153} 154 155void 156closekre(WINDOW *w) 157{ 158 159 if (w == NULL) 160 return; 161 wclear(w); 162 wrefresh(w); 163} 164 165/* 166 * These constants define where the major pieces are laid out 167 */ 168#define STATROW 0 /* uses 1 row and 67 cols */ 169#define STATCOL 0 170#define MEMROW 2 /* uses 4 rows and 45 cols */ 171#define MEMCOL 0 172#define PAGEROW 2 /* uses 4 rows and 30 cols */ 173#define PAGECOL 47 174#define INTSROW 6 /* uses all rows to bottom and 16 cols */ 175#define INTSCOL 64 176#define PROCSROW 6 /* uses 3 rows and 19 cols */ 177#define PROCSCOL 0 178#define GENSTATROW 7 /* uses 2 rows and 29 cols */ 179#define GENSTATCOL 21 180#define VMSTATROW 7 /* uses 17 rows and 12-14 cols */ 181#define VMSTATCOL 49 /* actually 50-51 for some fields */ 182#define GRAPHROW 10 /* uses 3 rows and 49-51 cols */ 183#define GRAPHCOL 0 184#define VNSTATROW 13 /* uses 4 rows and 13 columns */ 185#define VNSTATCOL 35 186#define NAMEIROW 14 /* uses 3 rows and 32 cols */ 187#define NAMEICOL 0 188#define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 189#define DISKCOL 0 190 191#define DRIVESPACE 7 /* max # for space */ 192 193#define MAXDRIVES DRIVESPACE /* max # to display */ 194 195int 196initkre(void) 197{ 198 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp; 199 int i; 200 size_t sz; 201 202 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 203 warnx("%s", devstat_errbuf); 204 return(0); 205 } 206 207 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 208 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 209 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 210 bzero(cur.dinfo, sizeof(struct devinfo)); 211 bzero(last.dinfo, sizeof(struct devinfo)); 212 bzero(run.dinfo, sizeof(struct devinfo)); 213 214 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 215 return(0); 216 217 if (nintr == 0) { 218 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 219 error("sysctl(hw.intrcnt...) failed: %s", 220 strerror(errno)); 221 return (0); 222 } 223 nintr = sz / sizeof(u_long); 224 intrloc = calloc(nintr, sizeof (long)); 225 intrname = calloc(nintr, sizeof (char *)); 226 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 227 if (intrnamebuf == NULL || intrname == NULL || 228 intrloc == NULL) { 229 error("Out of memory"); 230 if (intrnamebuf) 231 free(intrnamebuf); 232 if (intrname) 233 free(intrname); 234 if (intrloc) 235 free(intrloc); 236 nintr = 0; 237 return(0); 238 } 239 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 240 nextcp = cp + strlen(cp) + 1; 241 242 /* Discard trailing spaces. */ 243 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; ) 244 *--cp1 = '\0'; 245 246 /* Convert "irqN: name" to "name irqN". */ 247 if (strncmp(cp, "irq", 3) == 0) { 248 cp1 = cp + 3; 249 while (isdigit((u_char)*cp1)) 250 cp1++; 251 if (cp1 != cp && *cp1 == ':' && 252 *(cp1 + 1) == ' ') { 253 sz = strlen(cp); 254 *cp1 = '\0'; 255 cp1 = cp1 + 2; 256 cp2 = strdup(cp); 257 bcopy(cp1, cp, sz - (cp1 - cp) + 1); 258 if (sz <= 10 + 4) { 259 strcat(cp, " "); 260 strcat(cp, cp2 + 3); 261 } 262 free(cp2); 263 } 264 } 265 266 /* 267 * Convert "name irqN" to "name N" if the former is 268 * longer than the field width. 269 */ 270 if ((cp1 = strstr(cp, "irq")) != NULL && 271 strlen(cp) > 10) 272 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1); 273 274 intrname[i] = cp; 275 cp = nextcp; 276 } 277 nextintsrow = INTSROW + 2; 278 allocinfo(&s); 279 allocinfo(&s1); 280 allocinfo(&s2); 281 allocinfo(&z); 282 } 283 getinfo(&s2); 284 copyinfo(&s2, &s1); 285 return(1); 286} 287 288void 289fetchkre(void) 290{ 291 time_t now; 292 struct tm *tp; 293 static int d_first = -1; 294 295 if (d_first < 0) 296 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 297 298 time(&now); 299 tp = localtime(&now); 300 (void) strftime(buf, sizeof(buf), 301 d_first ? "%e %b %R" : "%b %e %R", tp); 302 getinfo(&s); 303} 304 305void 306labelkre(void) 307{ 308 int i, j; 309 310 clear(); 311 mvprintw(STATROW, STATCOL + 6, "users Load"); 312 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 313 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 314 mvprintw(MEMROW + 2, MEMCOL, "Act"); 315 mvprintw(MEMROW + 3, MEMCOL, "All"); 316 317 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 318 319 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER"); 320 mvprintw(PAGEROW + 1, PAGECOL, " in out in out"); 321 mvprintw(PAGEROW + 2, PAGECOL, "count"); 322 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 323 324 mvprintw(INTSROW, INTSCOL + 1, "Interrupts"); 325 mvprintw(INTSROW + 1, INTSCOL + 6, "total"); 326 327 mvprintw(VMSTATROW, VMSTATCOL + 9, "cow"); 328 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "zfod"); 329 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "ozfod"); 330 mvprintw(VMSTATROW + 3, VMSTATCOL + 9 - 1, "%%ozfod"); 331 mvprintw(VMSTATROW + 4, VMSTATCOL + 9, "daefr"); 332 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "prcfr"); 333 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "totfr"); 334 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "react"); 335 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "pdwak"); 336 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdpgs"); 337 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "intrn"); 338 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "wire"); 339 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "act"); 340 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "inact"); 341 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "cache"); 342 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "free"); 343 if (LINES - 1 > VMSTATROW + 16) 344 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "buf"); 345 346 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 347 348 mvprintw(GRAPHROW, GRAPHCOL, 349 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 350 mvprintw(PROCSROW, PROCSCOL, "Proc:"); 351 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w"); 352 mvprintw(GRAPHROW + 1, GRAPHCOL, 353 "| | | | | | | | | | |"); 354 355 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf"); 356 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn"); 357 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn"); 358 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn"); 359 360 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 361 mvprintw(NAMEIROW + 1, NAMEICOL, 362 " Calls hits %% hits %%"); 363 mvprintw(DISKROW, DISKCOL, "Disks"); 364 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 365 mvprintw(DISKROW + 2, DISKCOL, "tps"); 366 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 367 mvprintw(DISKROW + 4, DISKCOL, "%%busy"); 368 /* 369 * For now, we don't support a fourth disk statistic. So there's 370 * no point in providing a label for it. If someone can think of a 371 * fourth useful disk statistic, there is room to add it. 372 */ 373 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 374 j = 0; 375 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 376 if (dev_select[i].selected) { 377 char tmpstr[80]; 378 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 379 dev_select[i].unit_number); 380 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 381 " %5.5s", tmpstr); 382 j++; 383 } 384 385 for (i = 0; i < nintr; i++) { 386 if (intrloc[i] == 0) 387 continue; 388 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); 389 } 390} 391 392#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 393#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 394#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 395#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 396 if(state == TIME) s1.nchstats.fld = t;} 397#define PUTRATE(fld, l, c, w) \ 398do { \ 399 Y(fld); \ 400 putint((int)((float)s.fld/etime + 0.5), l, c, w); \ 401} while (0) 402#define MAXFAIL 5 403 404static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 405static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 406 CP_IDLE }; 407 408void 409showkre(void) 410{ 411 float f1, f2; 412 int psiz, inttotal; 413 int i, l, lc; 414 static int failcnt = 0; 415 416 etime = 0; 417 for(i = 0; i < CPUSTATES; i++) { 418 X(time); 419 Q(cp_time); 420 etime += s.time[i]; 421 } 422 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 423 if (failcnt++ >= MAXFAIL) { 424 clear(); 425 mvprintw(2, 10, "The alternate system clock has died!"); 426 mvprintw(3, 10, "Reverting to ``pigs'' display."); 427 move(CMDLINE, 0); 428 refresh(); 429 failcnt = 0; 430 sleep(5); 431 command("pigs"); 432 } 433 return; 434 } 435 failcnt = 0; 436 etime /= hertz; 437 etime /= ncpu; 438 inttotal = 0; 439 for (i = 0; i < nintr; i++) { 440 if (s.intrcnt[i] == 0) 441 continue; 442 X(intrcnt); 443 l = (int)((float)s.intrcnt[i]/etime + 0.5); 444 inttotal += l; 445 if (intrloc[i] == 0) { 446 if (nextintsrow == LINES) 447 continue; 448 intrloc[i] = nextintsrow++; 449 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", 450 intrname[i]); 451 } 452 putint(l, intrloc[i], INTSCOL, 5); 453 } 454 putint(inttotal, INTSROW + 1, INTSCOL, 5); 455 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 456 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 457 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 458 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 459 if (state == TIME) 460 s1.nchcount = s.nchcount; 461 462 psiz = 0; 463 f2 = 0.0; 464 for (lc = 0; lc < CPUSTATES; lc++) { 465 i = cpuorder[lc]; 466 f1 = cputime(i); 467 f2 += f1; 468 l = (int) ((f2 + 1.0) / 2.0) - psiz; 469 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 470 move(GRAPHROW + 2, psiz); 471 psiz += l; 472 while (l-- > 0) 473 addch(cpuchar[lc]); 474 } 475 476 putint(ucount(), STATROW, STATCOL, 5); 477 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0); 478 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0); 479 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0); 480 mvaddstr(STATROW, STATCOL + 55, buf); 481#define pgtokb(pg) ((pg) * (s.v_page_size / 1024)) 482 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7); 483 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7); 484 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8); 485 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8); 486 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7); 487 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7); 488 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8); 489 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8); 490 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7); 491 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3); 492 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3); 493 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3); 494 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3); 495 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3); 496 PUTRATE(v_cow_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2); 497 PUTRATE(v_zfod, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2); 498 PUTRATE(v_ozfod, VMSTATROW + 2, VMSTATCOL, 8); 499 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0, 500 VMSTATROW + 3, VMSTATCOL + 1, 8 - 1); 501 PUTRATE(v_dfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2); 502 PUTRATE(v_pfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2); 503 PUTRATE(v_tfree, VMSTATROW + 6, VMSTATCOL, 8); 504 PUTRATE(v_reactivated, VMSTATROW + 7, VMSTATCOL, 8); 505 PUTRATE(v_pdwakeups, VMSTATROW + 8, VMSTATCOL, 8); 506 PUTRATE(v_pdpages, VMSTATROW + 9, VMSTATCOL, 8); 507 PUTRATE(v_intrans, VMSTATROW + 10, VMSTATCOL, 8); 508 putint(pgtokb(s.v_wire_count), VMSTATROW + 11, VMSTATCOL, 8); 509 putint(pgtokb(s.v_active_count), VMSTATROW + 12, VMSTATCOL, 8); 510 putint(pgtokb(s.v_inactive_count), VMSTATROW + 13, VMSTATCOL, 8); 511 putint(pgtokb(s.v_cache_count), VMSTATROW + 14, VMSTATCOL, 8); 512 putint(pgtokb(s.v_free_count), VMSTATROW + 15, VMSTATCOL, 8); 513 if (LINES - 1 > VMSTATROW + 16) 514 putint(s.bufspace / 1024, VMSTATROW + 16, VMSTATCOL, 8); 515 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5); 516 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5); 517 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5); 518 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5); 519 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5); 520 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5); 521 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5); 522 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5); 523 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4); 524 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4); 525 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4); 526 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4); 527 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4); 528 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4); 529 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 530 if (dev_select[i].selected) { 531 switch(state) { 532 case TIME: 533 dinfo(i, ++lc, &cur, &last); 534 break; 535 case RUN: 536 dinfo(i, ++lc, &cur, &run); 537 break; 538 case BOOT: 539 dinfo(i, ++lc, &cur, NULL); 540 break; 541 } 542 } 543 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7); 544 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7); 545 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7); 546 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7); 547 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8); 548 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 549 NAMEIROW + 2, NAMEICOL + 9, 7); 550#define nz(x) ((x) ? (x) : 1) 551 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 552 100.0 / nz(s.nchcount), 553 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1); 554 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7); 555 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 556 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1); 557#undef nz 558} 559 560int 561cmdkre(const char *cmd, const char *args) 562{ 563 int retval; 564 565 if (prefix(cmd, "run")) { 566 retval = 1; 567 copyinfo(&s2, &s1); 568 switch (devstat_getdevs(NULL, &run)) { 569 case -1: 570 errx(1, "%s", devstat_errbuf); 571 break; 572 case 1: 573 num_devices = run.dinfo->numdevs; 574 generation = run.dinfo->generation; 575 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 576 if (retval == 2) 577 labelkre(); 578 break; 579 default: 580 break; 581 } 582 state = RUN; 583 return (retval); 584 } 585 if (prefix(cmd, "boot")) { 586 state = BOOT; 587 copyinfo(&z, &s1); 588 return (1); 589 } 590 if (prefix(cmd, "time")) { 591 state = TIME; 592 return (1); 593 } 594 if (prefix(cmd, "zero")) { 595 retval = 1; 596 if (state == RUN) { 597 getinfo(&s1); 598 switch (devstat_getdevs(NULL, &run)) { 599 case -1: 600 errx(1, "%s", devstat_errbuf); 601 break; 602 case 1: 603 num_devices = run.dinfo->numdevs; 604 generation = run.dinfo->generation; 605 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 606 if (retval == 2) 607 labelkre(); 608 break; 609 default: 610 break; 611 } 612 } 613 return (retval); 614 } 615 retval = dscmd(cmd, args, MAXDRIVES, &cur); 616 617 if (retval == 2) 618 labelkre(); 619 620 return(retval); 621} 622 623/* calculate number of users on the system */ 624static int 625ucount(void) 626{ 627 int nusers = 0; 628 struct utmpx *ut; 629 630 setutxent(); 631 while ((ut = getutxent()) != NULL) 632 if (ut->ut_type == USER_PROCESS) 633 nusers++; 634 endutxent(); 635 636 return (nusers); 637} 638 639static float 640cputime(int indx) 641{ 642 double lt; 643 int i; 644 645 lt = 0; 646 for (i = 0; i < CPUSTATES; i++) 647 lt += s.time[i]; 648 if (lt == 0.0) 649 lt = 1.0; 650 return (s.time[indx] * 100.0 / lt); 651} 652 653static void 654putint(int n, int l, int lc, int w) 655{ 656 int snr; 657 char b[128]; 658 659 move(l, lc); 660#ifdef DEBUG 661 while (w-- > 0) 662 addch('*'); 663 return; 664#endif 665 if (n == 0) { 666 while (w-- > 0) 667 addch(' '); 668 return; 669 } 670 snr = snprintf(b, sizeof(b), "%*d", w, n); 671 if (snr != w) 672 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000); 673 if (snr != w) 674 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000); 675 if (snr != w) { 676 while (w-- > 0) 677 addch('*'); 678 return; 679 } 680 addstr(b); 681} 682 683static void 684putfloat(double f, int l, int lc, int w, int d, int nz) 685{ 686 int snr; 687 char b[128]; 688 689 move(l, lc); 690#ifdef DEBUG 691 while (--w >= 0) 692 addch('*'); 693 return; 694#endif 695 if (nz && f == 0.0) { 696 while (--w >= 0) 697 addch(' '); 698 return; 699 } 700 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f); 701 if (snr != w) 702 snr = snprintf(b, sizeof(b), "%*.0f", w, f); 703 if (snr != w) { 704 while (--w >= 0) 705 addch('*'); 706 return; 707 } 708 addstr(b); 709} 710 711static void 712putlongdouble(long double f, int l, int lc, int w, int d, int nz) 713{ 714 int snr; 715 char b[128]; 716 717 move(l, lc); 718#ifdef DEBUG 719 while (--w >= 0) 720 addch('*'); 721 return; 722#endif 723 if (nz && f == 0.0) { 724 while (--w >= 0) 725 addch(' '); 726 return; 727 } 728 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f); 729 if (snr != w) 730 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f); 731 if (snr != w) { 732 while (--w >= 0) 733 addch('*'); 734 return; 735 } 736 addstr(b); 737} 738 739static void 740getinfo(struct Info *ls) 741{ 742 struct devinfo *tmp_dinfo; 743 size_t size; 744 int mib[2]; 745 746 GETSYSCTL("kern.cp_time", ls->time); 747 GETSYSCTL("kern.cp_time", cur.cp_time); 748 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 749 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 750 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 751 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 752 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 753 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 754 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 755 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 756 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 757 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 758 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 759 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 760 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 761 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 762 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 763 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 764 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 765 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 766 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 767 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 768 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 769 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 770 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 771 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 772 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size); 773 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 774 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 775 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 776 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 777 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count); 778 GETSYSCTL("vfs.bufspace", ls->bufspace); 779 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes); 780 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 781 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 782 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 783 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 784 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 785 786 size = sizeof(ls->Total); 787 mib[0] = CTL_VM; 788 mib[1] = VM_TOTAL; 789 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 790 error("Can't get kernel info: %s\n", strerror(errno)); 791 bzero(&ls->Total, sizeof(ls->Total)); 792 } 793 size = sizeof(ncpu); 794 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 795 size != sizeof(ncpu)) 796 ncpu = 1; 797 798 tmp_dinfo = last.dinfo; 799 last.dinfo = cur.dinfo; 800 cur.dinfo = tmp_dinfo; 801 802 last.snap_time = cur.snap_time; 803 switch (devstat_getdevs(NULL, &cur)) { 804 case -1: 805 errx(1, "%s", devstat_errbuf); 806 break; 807 case 1: 808 num_devices = cur.dinfo->numdevs; 809 generation = cur.dinfo->generation; 810 cmdkre("refresh", NULL); 811 break; 812 default: 813 break; 814 } 815} 816 817static void 818allocinfo(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(struct Info *from, struct Info *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(int dn, int lc, struct statinfo *now, struct statinfo *then) 844{ 845 long double transfers_per_second; 846 long double kb_per_transfer, mb_per_second; 847 long double elapsed_time, device_busy; 848 int di; 849 850 di = dev_select[dn].position; 851 852 if (then != NULL) { 853 /* Calculate relative to previous sample */ 854 elapsed_time = now->snap_time - then->snap_time; 855 } else { 856 /* Calculate relative to device creation */ 857 elapsed_time = now->snap_time - devstat_compute_etime( 858 &now->dinfo->devices[di].creation_time, NULL); 859 } 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, 864 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 865 DSM_MB_PER_SECOND, &mb_per_second, 866 DSM_BUSY_PCT, &device_busy, 867 DSM_NONE) != 0) 868 errx(1, "%s", devstat_errbuf); 869 870 lc = DISKCOL + lc * 6; 871 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 872 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0); 873 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0); 874 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0); 875} 876