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("$FreeBSD$"); 37 38 #ifdef lint 39 static 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 75 static 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; 124 125 struct statinfo cur, last, run; 126 127 #define total s.Total 128 #define nchtotal s.nchstats 129 #define oldnchtotal s1.nchstats 130 131 static enum state { BOOT, TIME, RUN } state = TIME; 132 133 static void allocinfo(struct Info *); 134 static void copyinfo(struct Info *, struct Info *); 135 static float cputime(int); 136 static void dinfo(int, int, struct statinfo *, struct statinfo *); 137 static void getinfo(struct Info *); 138 static void putint(int, int, int, int); 139 static void putfloat(double, int, int, int, int, int); 140 static void putlongdouble(long double, int, int, int, int, int); 141 static int ucount(void); 142 143 static int ncpu; 144 static int ut; 145 static char buf[26]; 146 static time_t t; 147 static double etime; 148 static int nintr; 149 static long *intrloc; 150 static char **intrname; 151 static int nextintsrow; 152 153 struct utmp utmp; 154 155 156 WINDOW * 157 openkre() 158 { 159 160 ut = open(_PATH_UTMP, O_RDONLY); 161 if (ut < 0) 162 error("No utmp"); 163 return (stdscr); 164 } 165 166 void 167 closekre(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 67 cols */ 182 #define STATCOL 0 183 #define MEMROW 2 /* uses 4 rows and 45 cols */ 184 #define MEMCOL 0 185 #define PAGEROW 2 /* uses 4 rows and 30 cols */ 186 #define PAGECOL 47 187 #define INTSROW 6 /* uses all rows to bottom and 16 cols */ 188 #define INTSCOL 64 189 #define PROCSROW 6 /* uses 3 rows and 19 cols */ 190 #define PROCSCOL 0 191 #define GENSTATROW 7 /* uses 2 rows and 29 cols */ 192 #define GENSTATCOL 21 193 #define VMSTATROW 7 /* uses 17 rows and 12-14 cols */ 194 #define VMSTATCOL 49 /* actually 50-51 for some fields */ 195 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */ 196 #define GRAPHCOL 0 197 #define VNSTATROW 13 /* uses 4 rows and 13 columns */ 198 #define VNSTATCOL 35 199 #define NAMEIROW 14 /* uses 3 rows and 32 cols */ 200 #define NAMEICOL 0 201 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 202 #define DISKCOL 0 203 204 #define DRIVESPACE 7 /* max # for space */ 205 206 #define MAXDRIVES DRIVESPACE /* max # to display */ 207 208 int 209 initkre() 210 { 211 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp; 212 int i; 213 size_t sz; 214 215 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 216 warnx("%s", devstat_errbuf); 217 return(0); 218 } 219 220 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 221 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 222 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 223 bzero(cur.dinfo, sizeof(struct devinfo)); 224 bzero(last.dinfo, sizeof(struct devinfo)); 225 bzero(run.dinfo, sizeof(struct devinfo)); 226 227 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 228 return(0); 229 230 if (nintr == 0) { 231 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 232 error("sysctl(hw.intrcnt...) failed: %s", 233 strerror(errno)); 234 return (0); 235 } 236 nintr = sz / sizeof(u_long); 237 intrloc = calloc(nintr, sizeof (long)); 238 intrname = calloc(nintr, sizeof (char *)); 239 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 240 if (intrnamebuf == NULL || intrname == NULL || 241 intrloc == NULL) { 242 error("Out of memory"); 243 if (intrnamebuf) 244 free(intrnamebuf); 245 if (intrname) 246 free(intrname); 247 if (intrloc) 248 free(intrloc); 249 nintr = 0; 250 return(0); 251 } 252 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 253 nextcp = cp + strlen(cp) + 1; 254 255 /* Discard trailing spaces. */ 256 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; ) 257 *--cp1 = '\0'; 258 259 /* Convert "irqN: name" to "name irqN". */ 260 if (strncmp(cp, "irq", 3) == 0) { 261 cp1 = cp + 3; 262 while (isdigit((u_char)*cp1)) 263 cp1++; 264 if (cp1 != cp && *cp1 == ':' && 265 *(cp1 + 1) == ' ') { 266 *cp1 = '\0'; 267 cp1 = cp1 + 2; 268 cp2 = strdup(cp); 269 bcopy(cp1, cp, strlen(cp1) + 1); 270 strcat(cp, " "); 271 strcat(cp, cp2); 272 free(cp2); 273 } 274 } 275 276 /* 277 * Convert "name irqN" to "name N" if the former is 278 * longer than the field width. 279 */ 280 if ((cp1 = strstr(cp, "irq")) != NULL && 281 strlen(cp) > 10) 282 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1); 283 284 intrname[i] = cp; 285 cp = nextcp; 286 } 287 nextintsrow = INTSROW + 2; 288 allocinfo(&s); 289 allocinfo(&s1); 290 allocinfo(&s2); 291 allocinfo(&z); 292 } 293 getinfo(&s2); 294 copyinfo(&s2, &s1); 295 return(1); 296 } 297 298 void 299 fetchkre() 300 { 301 time_t now; 302 struct tm *tp; 303 static int d_first = -1; 304 305 if (d_first < 0) 306 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 307 308 time(&now); 309 tp = localtime(&now); 310 (void) strftime(buf, sizeof(buf), 311 d_first ? "%e %b %R" : "%b %e %R", tp); 312 getinfo(&s); 313 } 314 315 void 316 labelkre() 317 { 318 int i, j; 319 320 clear(); 321 mvprintw(STATROW, STATCOL + 6, "users Load"); 322 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 323 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 324 mvprintw(MEMROW + 2, MEMCOL, "Act"); 325 mvprintw(MEMROW + 3, MEMCOL, "All"); 326 327 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 328 329 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER"); 330 mvprintw(PAGEROW + 1, PAGECOL, " in out in out"); 331 mvprintw(PAGEROW + 2, PAGECOL, "count"); 332 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 333 334 mvprintw(INTSROW, INTSCOL + 1, "Interrupts"); 335 mvprintw(INTSROW + 1, INTSCOL + 6, "total"); 336 337 mvprintw(VMSTATROW, VMSTATCOL + 9, "cow"); 338 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "zfod"); 339 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "ozfod"); 340 mvprintw(VMSTATROW + 3, VMSTATCOL + 9 - 1, "%%ozfod"); 341 mvprintw(VMSTATROW + 4, VMSTATCOL + 9, "daefr"); 342 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "prcfr"); 343 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "totfr"); 344 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "react"); 345 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "pdwak"); 346 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdpgs"); 347 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "intrn"); 348 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "wire"); 349 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "act"); 350 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "inact"); 351 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "cache"); 352 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "free"); 353 if (LINES - 1 > VMSTATROW + 16) 354 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "buf"); 355 356 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 357 358 mvprintw(GRAPHROW, GRAPHCOL, 359 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 360 mvprintw(PROCSROW, PROCSCOL, "Proc:"); 361 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w"); 362 mvprintw(GRAPHROW + 1, GRAPHCOL, 363 "| | | | | | | | | | |"); 364 365 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf"); 366 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn"); 367 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn"); 368 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn"); 369 370 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 371 mvprintw(NAMEIROW + 1, NAMEICOL, 372 " Calls hits %% hits %%"); 373 mvprintw(DISKROW, DISKCOL, "Disks"); 374 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 375 mvprintw(DISKROW + 2, DISKCOL, "tps"); 376 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 377 mvprintw(DISKROW + 4, DISKCOL, "%%busy"); 378 /* 379 * For now, we don't support a fourth disk statistic. So there's 380 * no point in providing a label for it. If someone can think of a 381 * fourth useful disk statistic, there is room to add it. 382 */ 383 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 384 j = 0; 385 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 386 if (dev_select[i].selected) { 387 char tmpstr[80]; 388 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 389 dev_select[i].unit_number); 390 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 391 " %5.5s", tmpstr); 392 j++; 393 } 394 395 for (i = 0; i < nintr; i++) { 396 if (intrloc[i] == 0) 397 continue; 398 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); 399 } 400 } 401 402 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 403 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 404 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 405 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 406 if(state == TIME) s1.nchstats.fld = t;} 407 #define PUTRATE(fld, l, c, w) \ 408 do { \ 409 Y(fld); \ 410 putint((int)((float)s.fld/etime + 0.5), l, c, w); \ 411 } while (0) 412 #define MAXFAIL 5 413 414 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 415 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 416 CP_IDLE }; 417 418 void 419 showkre() 420 { 421 float f1, f2; 422 int psiz, inttotal; 423 int i, l, lc; 424 static int failcnt = 0; 425 426 etime = 0; 427 for(i = 0; i < CPUSTATES; i++) { 428 X(time); 429 Q(cp_time); 430 etime += s.time[i]; 431 } 432 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 433 if (failcnt++ >= MAXFAIL) { 434 clear(); 435 mvprintw(2, 10, "The alternate system clock has died!"); 436 mvprintw(3, 10, "Reverting to ``pigs'' display."); 437 move(CMDLINE, 0); 438 refresh(); 439 failcnt = 0; 440 sleep(5); 441 command("pigs"); 442 } 443 return; 444 } 445 failcnt = 0; 446 etime /= hertz; 447 etime /= ncpu; 448 inttotal = 0; 449 for (i = 0; i < nintr; i++) { 450 if (s.intrcnt[i] == 0) 451 continue; 452 if (intrloc[i] == 0) { 453 if (nextintsrow == LINES) 454 continue; 455 intrloc[i] = nextintsrow++; 456 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", 457 intrname[i]); 458 } 459 X(intrcnt); 460 l = (int)((float)s.intrcnt[i]/etime + 0.5); 461 inttotal += l; 462 putint(l, intrloc[i], INTSCOL, 5); 463 } 464 putint(inttotal, INTSROW + 1, INTSCOL, 5); 465 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 466 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 467 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 468 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 469 if (state == TIME) 470 s1.nchcount = s.nchcount; 471 472 psiz = 0; 473 f2 = 0.0; 474 for (lc = 0; lc < CPUSTATES; lc++) { 475 i = cpuorder[lc]; 476 f1 = cputime(i); 477 f2 += f1; 478 l = (int) ((f2 + 1.0) / 2.0) - psiz; 479 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 480 move(GRAPHROW + 2, psiz); 481 psiz += l; 482 while (l-- > 0) 483 addch(cpuchar[lc]); 484 } 485 486 putint(ucount(), STATROW, STATCOL, 5); 487 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0); 488 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0); 489 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0); 490 mvaddstr(STATROW, STATCOL + 55, buf); 491 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024)) 492 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7); 493 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7); 494 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8); 495 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8); 496 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7); 497 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7); 498 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8); 499 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8); 500 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7); 501 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3); 502 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3); 503 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3); 504 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3); 505 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3); 506 PUTRATE(v_cow_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2); 507 PUTRATE(v_zfod, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2); 508 PUTRATE(v_ozfod, VMSTATROW + 2, VMSTATCOL, 8); 509 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0, 510 VMSTATROW + 3, VMSTATCOL + 1, 8 - 1); 511 PUTRATE(v_dfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2); 512 PUTRATE(v_pfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2); 513 PUTRATE(v_tfree, VMSTATROW + 6, VMSTATCOL, 8); 514 PUTRATE(v_reactivated, VMSTATROW + 7, VMSTATCOL, 8); 515 PUTRATE(v_pdwakeups, VMSTATROW + 8, VMSTATCOL, 8); 516 PUTRATE(v_pdpages, VMSTATROW + 9, VMSTATCOL, 8); 517 PUTRATE(v_intrans, VMSTATROW + 10, VMSTATCOL, 8); 518 putint(pgtokb(s.v_wire_count), VMSTATROW + 11, VMSTATCOL, 8); 519 putint(pgtokb(s.v_active_count), VMSTATROW + 12, VMSTATCOL, 8); 520 putint(pgtokb(s.v_inactive_count), VMSTATROW + 13, VMSTATCOL, 8); 521 putint(pgtokb(s.v_cache_count), VMSTATROW + 14, VMSTATCOL, 8); 522 putint(pgtokb(s.v_free_count), VMSTATROW + 15, VMSTATCOL, 8); 523 if (LINES - 1 > VMSTATROW + 16) 524 putint(s.bufspace / 1024, VMSTATROW + 16, VMSTATCOL, 8); 525 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5); 526 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5); 527 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5); 528 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5); 529 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5); 530 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5); 531 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5); 532 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5); 533 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4); 534 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4); 535 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4); 536 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4); 537 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4); 538 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4); 539 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 540 if (dev_select[i].selected) { 541 switch(state) { 542 case TIME: 543 dinfo(i, ++lc, &cur, &last); 544 break; 545 case RUN: 546 dinfo(i, ++lc, &cur, &run); 547 break; 548 case BOOT: 549 dinfo(i, ++lc, &cur, NULL); 550 break; 551 } 552 } 553 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7); 554 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7); 555 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7); 556 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7); 557 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8); 558 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 559 NAMEIROW + 2, NAMEICOL + 9, 7); 560 #define nz(x) ((x) ? (x) : 1) 561 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 562 100.0 / nz(s.nchcount), 563 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1); 564 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7); 565 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 566 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1); 567 #undef nz 568 } 569 570 int 571 cmdkre(cmd, args) 572 const char *cmd, *args; 573 { 574 int retval; 575 576 if (prefix(cmd, "run")) { 577 retval = 1; 578 copyinfo(&s2, &s1); 579 switch (devstat_getdevs(NULL, &run)) { 580 case -1: 581 errx(1, "%s", devstat_errbuf); 582 break; 583 case 1: 584 num_devices = run.dinfo->numdevs; 585 generation = run.dinfo->generation; 586 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 587 if (retval == 2) 588 labelkre(); 589 break; 590 default: 591 break; 592 } 593 state = RUN; 594 return (retval); 595 } 596 if (prefix(cmd, "boot")) { 597 state = BOOT; 598 copyinfo(&z, &s1); 599 return (1); 600 } 601 if (prefix(cmd, "time")) { 602 state = TIME; 603 return (1); 604 } 605 if (prefix(cmd, "zero")) { 606 retval = 1; 607 if (state == RUN) { 608 getinfo(&s1); 609 switch (devstat_getdevs(NULL, &run)) { 610 case -1: 611 errx(1, "%s", devstat_errbuf); 612 break; 613 case 1: 614 num_devices = run.dinfo->numdevs; 615 generation = run.dinfo->generation; 616 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 617 if (retval == 2) 618 labelkre(); 619 break; 620 default: 621 break; 622 } 623 } 624 return (retval); 625 } 626 retval = dscmd(cmd, args, MAXDRIVES, &cur); 627 628 if (retval == 2) 629 labelkre(); 630 631 return(retval); 632 } 633 634 /* calculate number of users on the system */ 635 static int 636 ucount() 637 { 638 int nusers = 0; 639 640 if (ut < 0) 641 return (0); 642 while (read(ut, &utmp, sizeof(utmp))) 643 if (utmp.ut_name[0] != '\0') 644 nusers++; 645 646 lseek(ut, 0L, L_SET); 647 return (nusers); 648 } 649 650 static float 651 cputime(indx) 652 int indx; 653 { 654 double lt; 655 int i; 656 657 lt = 0; 658 for (i = 0; i < CPUSTATES; i++) 659 lt += s.time[i]; 660 if (lt == 0.0) 661 lt = 1.0; 662 return (s.time[indx] * 100.0 / lt); 663 } 664 665 static void 666 putint(n, l, lc, w) 667 int n, l, lc, w; 668 { 669 int snr; 670 char b[128]; 671 672 move(l, lc); 673 #ifdef DEBUG 674 while (w-- > 0) 675 addch('*'); 676 return; 677 #endif 678 if (n == 0) { 679 while (w-- > 0) 680 addch(' '); 681 return; 682 } 683 snr = snprintf(b, sizeof(b), "%*d", w, n); 684 if (snr != w) 685 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000); 686 if (snr != w) 687 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000); 688 if (snr != w) { 689 while (w-- > 0) 690 addch('*'); 691 return; 692 } 693 addstr(b); 694 } 695 696 static void 697 putfloat(f, l, lc, w, d, nz) 698 double f; 699 int l, lc, w, d, nz; 700 { 701 int snr; 702 char b[128]; 703 704 move(l, lc); 705 #ifdef DEBUG 706 while (--w >= 0) 707 addch('*'); 708 return; 709 #endif 710 if (nz && f == 0.0) { 711 while (--w >= 0) 712 addch(' '); 713 return; 714 } 715 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f); 716 if (snr != w) 717 snr = snprintf(b, sizeof(b), "%*.0f", w, f); 718 if (snr != w) { 719 while (--w >= 0) 720 addch('*'); 721 return; 722 } 723 addstr(b); 724 } 725 726 static void 727 putlongdouble(f, l, lc, w, d, nz) 728 long double f; 729 int l, lc, w, d, nz; 730 { 731 int snr; 732 char b[128]; 733 734 move(l, lc); 735 #ifdef DEBUG 736 while (--w >= 0) 737 addch('*'); 738 return; 739 #endif 740 if (nz && f == 0.0) { 741 while (--w >= 0) 742 addch(' '); 743 return; 744 } 745 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f); 746 if (snr != w) 747 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f); 748 if (snr != w) { 749 while (--w >= 0) 750 addch('*'); 751 return; 752 } 753 addstr(b); 754 } 755 756 static void 757 getinfo(ls) 758 struct Info *ls; 759 { 760 struct devinfo *tmp_dinfo; 761 size_t size; 762 int mib[2]; 763 764 GETSYSCTL("kern.cp_time", ls->time); 765 GETSYSCTL("kern.cp_time", cur.cp_time); 766 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 767 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 768 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 769 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 770 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 771 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 772 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 773 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 774 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 775 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 776 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 777 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 778 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 779 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 780 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 781 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 782 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 783 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 784 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 785 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 786 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 787 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 788 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 789 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 790 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size); 791 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 792 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 793 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 794 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 795 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count); 796 GETSYSCTL("vfs.bufspace", ls->bufspace); 797 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes); 798 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 799 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 800 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 801 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 802 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 803 804 size = sizeof(ls->Total); 805 mib[0] = CTL_VM; 806 mib[1] = VM_TOTAL; 807 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 808 error("Can't get kernel info: %s\n", strerror(errno)); 809 bzero(&ls->Total, sizeof(ls->Total)); 810 } 811 size = sizeof(ncpu); 812 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 813 size != sizeof(ncpu)) 814 ncpu = 1; 815 816 tmp_dinfo = last.dinfo; 817 last.dinfo = cur.dinfo; 818 cur.dinfo = tmp_dinfo; 819 820 last.snap_time = cur.snap_time; 821 switch (devstat_getdevs(NULL, &cur)) { 822 case -1: 823 errx(1, "%s", devstat_errbuf); 824 break; 825 case 1: 826 num_devices = cur.dinfo->numdevs; 827 generation = cur.dinfo->generation; 828 cmdkre("refresh", NULL); 829 break; 830 default: 831 break; 832 } 833 } 834 835 static void 836 allocinfo(ls) 837 struct Info *ls; 838 { 839 840 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 841 if (ls->intrcnt == NULL) 842 errx(2, "out of memory"); 843 } 844 845 static void 846 copyinfo(from, to) 847 struct Info *from, *to; 848 { 849 long *intrcnt; 850 851 /* 852 * time, wds, seek, and xfer are malloc'd so we have to 853 * save the pointers before the structure copy and then 854 * copy by hand. 855 */ 856 intrcnt = to->intrcnt; 857 *to = *from; 858 859 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 860 } 861 862 static void 863 dinfo(dn, lc, now, then) 864 int dn, lc; 865 struct statinfo *now, *then; 866 { 867 long double transfers_per_second; 868 long double kb_per_transfer, mb_per_second; 869 long double elapsed_time, device_busy; 870 int di; 871 872 di = dev_select[dn].position; 873 874 if (then != NULL) { 875 /* Calculate relative to previous sample */ 876 elapsed_time = now->snap_time - then->snap_time; 877 } else { 878 /* Calculate relative to device creation */ 879 elapsed_time = now->snap_time - devstat_compute_etime( 880 &now->dinfo->devices[di].creation_time, NULL); 881 } 882 883 if (devstat_compute_statistics(&now->dinfo->devices[di], then ? 884 &then->dinfo->devices[di] : NULL, elapsed_time, 885 DSM_KB_PER_TRANSFER, &kb_per_transfer, 886 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 887 DSM_MB_PER_SECOND, &mb_per_second, 888 DSM_BUSY_PCT, &device_busy, 889 DSM_NONE) != 0) 890 errx(1, "%s", devstat_errbuf); 891 892 lc = DISKCOL + lc * 6; 893 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 894 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0); 895 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0); 896 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0); 897 } 898