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