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 35 static 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 71 static 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_io_faults; /* page faults requiring I/O */ 83 u_int v_cow_faults; /* number of copy-on-writes */ 84 u_int v_zfod; /* pages zero filled on demand */ 85 u_int v_ozfod; /* optimized zero fill pages */ 86 u_int v_swapin; /* swap pager pageins */ 87 u_int v_swapout; /* swap pager pageouts */ 88 u_int v_swappgsin; /* swap pager pages paged in */ 89 u_int v_swappgsout; /* swap pager pages paged out */ 90 u_int v_vnodein; /* vnode pager pageins */ 91 u_int v_vnodeout; /* vnode pager pageouts */ 92 u_int v_vnodepgsin; /* vnode_pager pages paged in */ 93 u_int v_vnodepgsout; /* vnode pager pages paged out */ 94 u_int v_intrans; /* intransit blocking page faults */ 95 u_int v_reactivated; /* number of pages reactivated from free list */ 96 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */ 97 u_int v_pdpages; /* number of pages analyzed by daemon */ 98 99 u_int v_dfree; /* pages freed by daemon */ 100 u_int v_pfree; /* pages freed by exiting processes */ 101 u_int v_tfree; /* total pages freed */ 102 /* 103 * Distribution of page usages. 104 */ 105 u_int v_page_size; /* page size in bytes */ 106 u_int v_free_count; /* number of pages free */ 107 u_int v_wire_count; /* number of pages wired down */ 108 u_int v_active_count; /* number of pages active */ 109 u_int v_inactive_count; /* number of pages inactive */ 110 u_int v_cache_count; /* number of pages on buffer cache queue */ 111 struct vmtotal Total; 112 struct nchstats nchstats; 113 long nchcount; 114 long *intrcnt; 115 long bufspace; 116 int desiredvnodes; 117 long numvnodes; 118 long freevnodes; 119 int numdirtybuffers; 120 } s, s1, s2, z; 121 122 struct statinfo cur, last, run; 123 124 #define total s.Total 125 #define nchtotal s.nchstats 126 #define oldnchtotal s1.nchstats 127 128 static enum state { BOOT, TIME, RUN } state = TIME; 129 130 static void allocinfo(struct Info *); 131 static void copyinfo(struct Info *, struct Info *); 132 static float cputime(int); 133 static void dinfo(int, int, struct statinfo *, struct statinfo *); 134 static void getinfo(struct Info *); 135 static void putint(int, int, int, int); 136 static void putfloat(double, int, int, int, int, int); 137 static void putlongdouble(long double, int, int, int, int, int); 138 static int ucount(void); 139 140 static int ncpu; 141 static char buf[26]; 142 static time_t t; 143 static double etime; 144 static int nintr; 145 static long *intrloc; 146 static char **intrname; 147 static int nextintsrow; 148 149 WINDOW * 150 openkre(void) 151 { 152 153 return (stdscr); 154 } 155 156 void 157 closekre(WINDOW *w) 158 { 159 160 if (w == NULL) 161 return; 162 wclear(w); 163 wrefresh(w); 164 } 165 166 /* 167 * These constants define where the major pieces are laid out 168 */ 169 #define STATROW 0 /* uses 1 row and 67 cols */ 170 #define STATCOL 0 171 #define MEMROW 2 /* uses 4 rows and 45 cols */ 172 #define MEMCOL 0 173 #define PAGEROW 2 /* uses 4 rows and 30 cols */ 174 #define PAGECOL 47 175 #define INTSROW 6 /* uses all rows to bottom and 16 cols */ 176 #define INTSCOL 64 177 #define PROCSROW 6 /* uses 3 rows and 19 cols */ 178 #define PROCSCOL 0 179 #define GENSTATROW 7 /* uses 2 rows and 29 cols */ 180 #define GENSTATCOL 21 181 #define VMSTATROW 7 /* uses 17 rows and 12-14 cols */ 182 #define VMSTATCOL 49 /* actually 50-51 for some fields */ 183 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */ 184 #define GRAPHCOL 0 185 #define VNSTATROW 13 /* uses 4 rows and 13 columns */ 186 #define VNSTATCOL 35 187 #define NAMEIROW 14 /* uses 3 rows and 32 cols */ 188 #define NAMEICOL 0 189 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 190 #define DISKCOL 0 191 192 #define DRIVESPACE 7 /* max # for space */ 193 194 #define MAXDRIVES DRIVESPACE /* max # to display */ 195 196 int 197 initkre(void) 198 { 199 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp; 200 int i; 201 size_t sz; 202 203 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 204 warnx("%s", devstat_errbuf); 205 return(0); 206 } 207 208 cur.dinfo = calloc(1, sizeof(struct devinfo)); 209 last.dinfo = calloc(1, sizeof(struct devinfo)); 210 run.dinfo = calloc(1, sizeof(struct devinfo)); 211 212 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 213 return(0); 214 215 if (nintr == 0) { 216 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 217 error("sysctl(hw.intrcnt...) failed: %s", 218 strerror(errno)); 219 return (0); 220 } 221 nintr = sz / sizeof(u_long); 222 intrloc = calloc(nintr, sizeof (long)); 223 intrname = calloc(nintr, sizeof (char *)); 224 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 225 if (intrnamebuf == NULL || intrname == NULL || 226 intrloc == NULL) { 227 error("Out of memory"); 228 if (intrnamebuf) 229 free(intrnamebuf); 230 if (intrname) 231 free(intrname); 232 if (intrloc) 233 free(intrloc); 234 nintr = 0; 235 return(0); 236 } 237 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 238 nextcp = cp + strlen(cp) + 1; 239 240 /* Discard trailing spaces. */ 241 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; ) 242 *--cp1 = '\0'; 243 244 /* Convert "irqN: name" to "name irqN". */ 245 if (strncmp(cp, "irq", 3) == 0) { 246 cp1 = cp + 3; 247 while (isdigit((u_char)*cp1)) 248 cp1++; 249 if (cp1 != cp && *cp1 == ':' && 250 *(cp1 + 1) == ' ') { 251 sz = strlen(cp); 252 *cp1 = '\0'; 253 cp1 = cp1 + 2; 254 cp2 = strdup(cp); 255 bcopy(cp1, cp, sz - (cp1 - cp) + 1); 256 if (sz <= 10 + 4) { 257 strcat(cp, " "); 258 strcat(cp, cp2 + 3); 259 } 260 free(cp2); 261 } 262 } 263 264 /* 265 * Convert "name irqN" to "name N" if the former is 266 * longer than the field width. 267 */ 268 if ((cp1 = strstr(cp, "irq")) != NULL && 269 strlen(cp) > 10) 270 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1); 271 272 intrname[i] = cp; 273 cp = nextcp; 274 } 275 nextintsrow = INTSROW + 2; 276 allocinfo(&s); 277 allocinfo(&s1); 278 allocinfo(&s2); 279 allocinfo(&z); 280 } 281 getinfo(&s2); 282 copyinfo(&s2, &s1); 283 return(1); 284 } 285 286 void 287 fetchkre(void) 288 { 289 time_t now; 290 struct tm *tp; 291 static int d_first = -1; 292 293 if (d_first < 0) 294 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 295 296 time(&now); 297 tp = localtime(&now); 298 (void) strftime(buf, sizeof(buf), 299 d_first ? "%e %b %R" : "%b %e %R", tp); 300 getinfo(&s); 301 } 302 303 void 304 labelkre(void) 305 { 306 int i, j; 307 308 clear(); 309 mvprintw(STATROW, STATCOL + 6, "users Load"); 310 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 311 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 312 mvprintw(MEMROW + 2, MEMCOL, "Act"); 313 mvprintw(MEMROW + 3, MEMCOL, "All"); 314 315 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 316 317 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER"); 318 mvprintw(PAGEROW + 1, PAGECOL, " in out in out"); 319 mvprintw(PAGEROW + 2, PAGECOL, "count"); 320 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 321 322 mvprintw(INTSROW, INTSCOL + 1, "Interrupts"); 323 mvprintw(INTSROW + 1, INTSCOL + 6, "total"); 324 325 mvprintw(VMSTATROW, VMSTATCOL + 9, "ioflt"); 326 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "cow"); 327 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "zfod"); 328 mvprintw(VMSTATROW + 3, VMSTATCOL + 9, "ozfod"); 329 mvprintw(VMSTATROW + 4, VMSTATCOL + 9 - 1, "%%ozfod"); 330 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "daefr"); 331 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "prcfr"); 332 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "totfr"); 333 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "react"); 334 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdwak"); 335 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "pdpgs"); 336 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "intrn"); 337 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "wire"); 338 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "act"); 339 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "inact"); 340 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "cache"); 341 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "free"); 342 if (LINES - 1 > VMSTATROW + 17) 343 mvprintw(VMSTATROW + 17, VMSTATCOL + 9, "buf"); 344 345 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 346 347 mvprintw(GRAPHROW, GRAPHCOL, 348 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 349 mvprintw(PROCSROW, PROCSCOL, "Proc:"); 350 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w"); 351 mvprintw(GRAPHROW + 1, GRAPHCOL, 352 "| | | | | | | | | | |"); 353 354 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf"); 355 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn"); 356 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn"); 357 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn"); 358 359 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 360 mvprintw(NAMEIROW + 1, NAMEICOL, 361 " Calls hits %% hits %%"); 362 mvprintw(DISKROW, DISKCOL, "Disks"); 363 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 364 mvprintw(DISKROW + 2, DISKCOL, "tps"); 365 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 366 mvprintw(DISKROW + 4, DISKCOL, "%%busy"); 367 /* 368 * For now, we don't support a fourth disk statistic. So there's 369 * no point in providing a label for it. If someone can think of a 370 * fourth useful disk statistic, there is room to add it. 371 */ 372 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 373 j = 0; 374 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 375 if (dev_select[i].selected) { 376 char tmpstr[80]; 377 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 378 dev_select[i].unit_number); 379 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 380 " %5.5s", tmpstr); 381 j++; 382 } 383 384 for (i = 0; i < nintr; i++) { 385 if (intrloc[i] == 0) 386 continue; 387 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); 388 } 389 } 390 391 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 392 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 393 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 394 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 395 if(state == TIME) s1.nchstats.fld = t;} 396 #define PUTRATE(fld, l, c, w) \ 397 do { \ 398 Y(fld); \ 399 putint((int)((float)s.fld/etime + 0.5), l, c, w); \ 400 } while (0) 401 #define MAXFAIL 5 402 403 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 404 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 405 CP_IDLE }; 406 407 void 408 showkre(void) 409 { 410 float f1, f2; 411 int psiz, inttotal; 412 int i, l, lc; 413 static int failcnt = 0; 414 415 etime = 0; 416 for(i = 0; i < CPUSTATES; i++) { 417 X(time); 418 Q(cp_time); 419 etime += s.time[i]; 420 } 421 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 422 if (failcnt++ >= MAXFAIL) { 423 clear(); 424 mvprintw(2, 10, "The alternate system clock has died!"); 425 mvprintw(3, 10, "Reverting to ``pigs'' display."); 426 move(CMDLINE, 0); 427 refresh(); 428 failcnt = 0; 429 sleep(5); 430 command("pigs"); 431 } 432 return; 433 } 434 failcnt = 0; 435 etime /= hertz; 436 etime /= ncpu; 437 inttotal = 0; 438 for (i = 0; i < nintr; i++) { 439 if (s.intrcnt[i] == 0) 440 continue; 441 X(intrcnt); 442 l = (int)((float)s.intrcnt[i]/etime + 0.5); 443 inttotal += l; 444 if (intrloc[i] == 0) { 445 if (nextintsrow == LINES) 446 continue; 447 intrloc[i] = nextintsrow++; 448 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", 449 intrname[i]); 450 } 451 putint(l, intrloc[i], INTSCOL, 5); 452 } 453 putint(inttotal, INTSROW + 1, INTSCOL, 5); 454 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 455 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 456 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 457 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 458 if (state == TIME) 459 s1.nchcount = s.nchcount; 460 461 psiz = 0; 462 f2 = 0.0; 463 for (lc = 0; lc < CPUSTATES; lc++) { 464 i = cpuorder[lc]; 465 f1 = cputime(i); 466 f2 += f1; 467 l = (int) ((f2 + 1.0) / 2.0) - psiz; 468 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 469 move(GRAPHROW + 2, psiz); 470 psiz += l; 471 while (l-- > 0) 472 addch(cpuchar[lc]); 473 } 474 475 putint(ucount(), STATROW, STATCOL, 5); 476 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0); 477 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0); 478 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0); 479 mvaddstr(STATROW, STATCOL + 55, buf); 480 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024)) 481 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7); 482 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7); 483 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8); 484 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8); 485 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7); 486 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7); 487 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8); 488 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8); 489 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7); 490 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3); 491 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3); 492 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3); 493 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3); 494 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3); 495 PUTRATE(v_io_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2); 496 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2); 497 PUTRATE(v_zfod, VMSTATROW + 2, VMSTATCOL + 2, 8 - 2); 498 PUTRATE(v_ozfod, VMSTATROW + 3, VMSTATCOL, 8); 499 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0, 500 VMSTATROW + 4, VMSTATCOL + 1, 8 - 1); 501 PUTRATE(v_dfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2); 502 PUTRATE(v_pfree, VMSTATROW + 6, VMSTATCOL + 2, 8 - 2); 503 PUTRATE(v_tfree, VMSTATROW + 7, VMSTATCOL, 8); 504 PUTRATE(v_reactivated, VMSTATROW + 8, VMSTATCOL, 8); 505 PUTRATE(v_pdwakeups, VMSTATROW + 9, VMSTATCOL, 8); 506 PUTRATE(v_pdpages, VMSTATROW + 10, VMSTATCOL, 8); 507 PUTRATE(v_intrans, VMSTATROW + 11, VMSTATCOL, 8); 508 putint(pgtokb(s.v_wire_count), VMSTATROW + 12, VMSTATCOL, 8); 509 putint(pgtokb(s.v_active_count), VMSTATROW + 13, VMSTATCOL, 8); 510 putint(pgtokb(s.v_inactive_count), VMSTATROW + 14, VMSTATCOL, 8); 511 putint(pgtokb(s.v_cache_count), VMSTATROW + 15, VMSTATCOL, 8); 512 putint(pgtokb(s.v_free_count), VMSTATROW + 16, VMSTATCOL, 8); 513 if (LINES - 1 > VMSTATROW + 17) 514 putint(s.bufspace / 1024, VMSTATROW + 17, 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 } 559 560 int 561 cmdkre(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 */ 624 static int 625 ucount(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 } 638 639 static float 640 cputime(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 } 652 653 static void 654 putint(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 } 682 683 static void 684 putfloat(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 snr = snprintf(b, sizeof(b), "%*.0fk", w - 1, f / 1000); 705 if (snr != w) 706 snr = snprintf(b, sizeof(b), "%*.0fM", w - 1, f / 1000000); 707 if (snr != w) { 708 while (--w >= 0) 709 addch('*'); 710 return; 711 } 712 addstr(b); 713 } 714 715 static void 716 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 717 { 718 int snr; 719 char b[128]; 720 721 move(l, lc); 722 #ifdef DEBUG 723 while (--w >= 0) 724 addch('*'); 725 return; 726 #endif 727 if (nz && f == 0.0) { 728 while (--w >= 0) 729 addch(' '); 730 return; 731 } 732 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f); 733 if (snr != w) 734 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f); 735 if (snr != w) 736 snr = snprintf(b, sizeof(b), "%*.0Lfk", w - 1, f / 1000); 737 if (snr != w) 738 snr = snprintf(b, sizeof(b), "%*.0LfM", w - 1, f / 1000000); 739 if (snr != w) { 740 while (--w >= 0) 741 addch('*'); 742 return; 743 } 744 addstr(b); 745 } 746 747 static void 748 getinfo(struct Info *ls) 749 { 750 struct devinfo *tmp_dinfo; 751 size_t size; 752 int mib[2]; 753 754 GETSYSCTL("kern.cp_time", ls->time); 755 GETSYSCTL("kern.cp_time", cur.cp_time); 756 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 757 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 758 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 759 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 760 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 761 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 762 GETSYSCTL("vm.stats.vm.v_io_faults", ls->v_io_faults); 763 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 764 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 765 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 766 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 767 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 768 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 769 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 770 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 771 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 772 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 773 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 774 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 775 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 776 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 777 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 778 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 779 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 780 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 781 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size); 782 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 783 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 784 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 785 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 786 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count); 787 GETSYSCTL("vfs.bufspace", ls->bufspace); 788 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes); 789 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 790 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 791 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 792 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 793 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 794 795 size = sizeof(ls->Total); 796 mib[0] = CTL_VM; 797 mib[1] = VM_TOTAL; 798 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 799 error("Can't get kernel info: %s\n", strerror(errno)); 800 bzero(&ls->Total, sizeof(ls->Total)); 801 } 802 size = sizeof(ncpu); 803 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 804 size != sizeof(ncpu)) 805 ncpu = 1; 806 807 tmp_dinfo = last.dinfo; 808 last.dinfo = cur.dinfo; 809 cur.dinfo = tmp_dinfo; 810 811 last.snap_time = cur.snap_time; 812 switch (devstat_getdevs(NULL, &cur)) { 813 case -1: 814 errx(1, "%s", devstat_errbuf); 815 break; 816 case 1: 817 num_devices = cur.dinfo->numdevs; 818 generation = cur.dinfo->generation; 819 cmdkre("refresh", NULL); 820 break; 821 default: 822 break; 823 } 824 } 825 826 static void 827 allocinfo(struct Info *ls) 828 { 829 830 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 831 if (ls->intrcnt == NULL) 832 errx(2, "out of memory"); 833 } 834 835 static void 836 copyinfo(struct Info *from, struct Info *to) 837 { 838 long *intrcnt; 839 840 /* 841 * time, wds, seek, and xfer are malloc'd so we have to 842 * save the pointers before the structure copy and then 843 * copy by hand. 844 */ 845 intrcnt = to->intrcnt; 846 *to = *from; 847 848 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 849 } 850 851 static void 852 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then) 853 { 854 long double transfers_per_second; 855 long double kb_per_transfer, mb_per_second; 856 long double elapsed_time, device_busy; 857 int di; 858 859 di = dev_select[dn].position; 860 861 if (then != NULL) { 862 /* Calculate relative to previous sample */ 863 elapsed_time = now->snap_time - then->snap_time; 864 } else { 865 /* Calculate relative to device creation */ 866 elapsed_time = now->snap_time - devstat_compute_etime( 867 &now->dinfo->devices[di].creation_time, NULL); 868 } 869 870 if (devstat_compute_statistics(&now->dinfo->devices[di], then ? 871 &then->dinfo->devices[di] : NULL, elapsed_time, 872 DSM_KB_PER_TRANSFER, &kb_per_transfer, 873 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 874 DSM_MB_PER_SECOND, &mb_per_second, 875 DSM_BUSY_PCT, &device_busy, 876 DSM_NONE) != 0) 877 errx(1, "%s", devstat_errbuf); 878 879 lc = DISKCOL + lc * 6; 880 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 881 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0); 882 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0); 883 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0); 884 } 885