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 u_long v_kmem_map_size; /* Current kmem allocation size */ 112 struct vmtotal Total; 113 struct nchstats nchstats; 114 long nchcount; 115 long *intrcnt; 116 long bufspace; 117 int desiredvnodes; 118 long numvnodes; 119 long freevnodes; 120 int numdirtybuffers; 121 } s, s1, s2, z; 122 static u_long kmem_size; 123 static u_int v_page_count; 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 char buf[26]; 145 static time_t t; 146 static double etime; 147 static int nintr; 148 static long *intrloc; 149 static char **intrname; 150 static int nextintsrow; 151 152 WINDOW * 153 openkre(void) 154 { 155 156 return (stdscr); 157 } 158 159 void 160 closekre(WINDOW *w) 161 { 162 163 if (w == NULL) 164 return; 165 wclear(w); 166 wrefresh(w); 167 } 168 169 /* 170 * These constants define where the major pieces are laid out 171 */ 172 #define STATROW 0 /* uses 1 row and 67 cols */ 173 #define STATCOL 0 174 #define MEMROW 2 /* uses 4 rows and 45 cols */ 175 #define MEMCOL 0 176 #define PAGEROW 2 /* uses 4 rows and 30 cols */ 177 #define PAGECOL 47 178 #define INTSROW 6 /* uses all rows to bottom and 16 cols */ 179 #define INTSCOL 64 180 #define PROCSROW 6 /* uses 3 rows and 19 cols */ 181 #define PROCSCOL 0 182 #define GENSTATROW 7 /* uses 2 rows and 29 cols */ 183 #define GENSTATCOL 21 184 #define VMSTATROW 7 /* uses 17 rows and 12-14 cols */ 185 #define VMSTATCOL 49 /* actually 50-51 for some fields */ 186 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */ 187 #define GRAPHCOL 0 188 #define VNSTATROW 13 /* uses 4 rows and 13 columns */ 189 #define VNSTATCOL 35 190 #define NAMEIROW 14 /* uses 3 rows and 32 cols */ 191 #define NAMEICOL 0 192 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 193 #define DISKCOL 0 194 195 #define DRIVESPACE 7 /* max # for space */ 196 197 #define MAXDRIVES DRIVESPACE /* max # to display */ 198 199 int 200 initkre(void) 201 { 202 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp; 203 int i; 204 size_t sz; 205 206 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 207 warnx("%s", devstat_errbuf); 208 return(0); 209 } 210 211 cur.dinfo = calloc(1, sizeof(struct devinfo)); 212 last.dinfo = calloc(1, sizeof(struct devinfo)); 213 run.dinfo = calloc(1, 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 GETSYSCTL("vm.kmem_size", kmem_size); 285 GETSYSCTL("vm.stats.vm.v_page_count", v_page_count); 286 getinfo(&s2); 287 copyinfo(&s2, &s1); 288 return(1); 289 } 290 291 void 292 fetchkre(void) 293 { 294 time_t now; 295 struct tm *tp; 296 static int d_first = -1; 297 298 if (d_first < 0) 299 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 300 301 time(&now); 302 tp = localtime(&now); 303 (void) strftime(buf, sizeof(buf), 304 d_first ? "%e %b %R" : "%b %e %R", tp); 305 getinfo(&s); 306 } 307 308 void 309 labelkre(void) 310 { 311 int i, j; 312 313 clear(); 314 mvprintw(STATROW, STATCOL + 6, "users Load"); 315 mvprintw(STATROW + 1, STATCOL + 3, "Mem usage: %%Phy %%Kmem"); 316 mvprintw(MEMROW, MEMCOL, "Mem: KB REAL VIRTUAL"); 317 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 318 mvprintw(MEMROW + 2, MEMCOL, "Act"); 319 mvprintw(MEMROW + 3, MEMCOL, "All"); 320 321 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 322 323 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER"); 324 mvprintw(PAGEROW + 1, PAGECOL, " in out in out"); 325 mvprintw(PAGEROW + 2, PAGECOL, "count"); 326 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 327 328 mvprintw(INTSROW, INTSCOL + 1, "Interrupts"); 329 mvprintw(INTSROW + 1, INTSCOL + 6, "total"); 330 331 mvprintw(VMSTATROW, VMSTATCOL + 9, "ioflt"); 332 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "cow"); 333 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "zfod"); 334 mvprintw(VMSTATROW + 3, VMSTATCOL + 9, "ozfod"); 335 mvprintw(VMSTATROW + 4, VMSTATCOL + 9 - 1, "%%ozfod"); 336 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "daefr"); 337 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "prcfr"); 338 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "totfr"); 339 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "react"); 340 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdwak"); 341 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "pdpgs"); 342 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "intrn"); 343 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "wire"); 344 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "act"); 345 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "inact"); 346 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "cache"); 347 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "free"); 348 if (LINES - 1 > VMSTATROW + 17) 349 mvprintw(VMSTATROW + 17, VMSTATCOL + 9, "buf"); 350 351 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 352 353 mvprintw(GRAPHROW, GRAPHCOL, 354 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 355 mvprintw(PROCSROW, PROCSCOL, "Proc:"); 356 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w"); 357 mvprintw(GRAPHROW + 1, GRAPHCOL, 358 "| | | | | | | | | | |"); 359 360 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf"); 361 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn"); 362 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn"); 363 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn"); 364 365 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 366 mvprintw(NAMEIROW + 1, NAMEICOL, 367 " Calls hits %% hits %%"); 368 mvprintw(DISKROW, DISKCOL, "Disks"); 369 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 370 mvprintw(DISKROW + 2, DISKCOL, "tps"); 371 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 372 mvprintw(DISKROW + 4, DISKCOL, "%%busy"); 373 /* 374 * For now, we don't support a fourth disk statistic. So there's 375 * no point in providing a label for it. If someone can think of a 376 * fourth useful disk statistic, there is room to add it. 377 */ 378 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 379 j = 0; 380 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 381 if (dev_select[i].selected) { 382 char tmpstr[80]; 383 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 384 dev_select[i].unit_number); 385 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 386 " %5.5s", tmpstr); 387 j++; 388 } 389 390 for (i = 0; i < nintr; i++) { 391 if (intrloc[i] == 0) 392 continue; 393 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); 394 } 395 } 396 397 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 398 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 399 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 400 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 401 if(state == TIME) s1.nchstats.fld = t;} 402 #define PUTRATE(fld, l, c, w) \ 403 do { \ 404 Y(fld); \ 405 putint((int)((float)s.fld/etime + 0.5), l, c, w); \ 406 } while (0) 407 #define MAXFAIL 5 408 409 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 410 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 411 CP_IDLE }; 412 413 void 414 showkre(void) 415 { 416 float f1, f2; 417 int psiz, inttotal; 418 int i, l, lc; 419 static int failcnt = 0; 420 421 etime = 0; 422 for(i = 0; i < CPUSTATES; i++) { 423 X(time); 424 Q(cp_time); 425 etime += s.time[i]; 426 } 427 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 428 if (failcnt++ >= MAXFAIL) { 429 clear(); 430 mvprintw(2, 10, "The alternate system clock has died!"); 431 mvprintw(3, 10, "Reverting to ``pigs'' display."); 432 move(CMDLINE, 0); 433 refresh(); 434 failcnt = 0; 435 sleep(5); 436 command("pigs"); 437 } 438 return; 439 } 440 failcnt = 0; 441 etime /= hertz; 442 etime /= ncpu; 443 inttotal = 0; 444 for (i = 0; i < nintr; i++) { 445 if (s.intrcnt[i] == 0) 446 continue; 447 X(intrcnt); 448 l = (int)((float)s.intrcnt[i]/etime + 0.5); 449 inttotal += l; 450 if (intrloc[i] == 0) { 451 if (nextintsrow == LINES) 452 continue; 453 intrloc[i] = nextintsrow++; 454 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", 455 intrname[i]); 456 } 457 putint(l, intrloc[i], INTSCOL, 5); 458 } 459 putint(inttotal, INTSROW + 1, INTSCOL, 5); 460 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 461 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 462 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 463 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 464 if (state == TIME) 465 s1.nchcount = s.nchcount; 466 467 psiz = 0; 468 f2 = 0.0; 469 for (lc = 0; lc < CPUSTATES; lc++) { 470 i = cpuorder[lc]; 471 f1 = cputime(i); 472 f2 += f1; 473 l = (int) ((f2 + 1.0) / 2.0) - psiz; 474 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 475 move(GRAPHROW + 2, psiz); 476 psiz += l; 477 while (l-- > 0) 478 addch(cpuchar[lc]); 479 } 480 481 putint(ucount(), STATROW, STATCOL, 5); 482 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0); 483 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0); 484 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0); 485 mvaddstr(STATROW, STATCOL + 55, buf); 486 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024)) 487 putfloat(100.0 * (v_page_count - total.t_free) / v_page_count, 488 STATROW + 1, STATCOL + 15, 2, 0, 1); 489 putfloat(100.0 * s.v_kmem_map_size / kmem_size, 490 STATROW + 1, STATCOL + 22, 2, 0, 1); 491 492 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_io_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2); 507 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2); 508 PUTRATE(v_zfod, VMSTATROW + 2, VMSTATCOL + 2, 8 - 2); 509 PUTRATE(v_ozfod, VMSTATROW + 3, VMSTATCOL, 8); 510 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0, 511 VMSTATROW + 4, VMSTATCOL + 1, 8 - 1); 512 PUTRATE(v_dfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2); 513 PUTRATE(v_pfree, VMSTATROW + 6, VMSTATCOL + 2, 8 - 2); 514 PUTRATE(v_tfree, VMSTATROW + 7, VMSTATCOL, 8); 515 PUTRATE(v_reactivated, VMSTATROW + 8, VMSTATCOL, 8); 516 PUTRATE(v_pdwakeups, VMSTATROW + 9, VMSTATCOL, 8); 517 PUTRATE(v_pdpages, VMSTATROW + 10, VMSTATCOL, 8); 518 PUTRATE(v_intrans, VMSTATROW + 11, VMSTATCOL, 8); 519 putint(pgtokb(s.v_wire_count), VMSTATROW + 12, VMSTATCOL, 8); 520 putint(pgtokb(s.v_active_count), VMSTATROW + 13, VMSTATCOL, 8); 521 putint(pgtokb(s.v_inactive_count), VMSTATROW + 14, VMSTATCOL, 8); 522 putint(pgtokb(s.v_cache_count), VMSTATROW + 15, VMSTATCOL, 8); 523 putint(pgtokb(s.v_free_count), VMSTATROW + 16, VMSTATCOL, 8); 524 if (LINES - 1 > VMSTATROW + 17) 525 putint(s.bufspace / 1024, VMSTATROW + 17, VMSTATCOL, 8); 526 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5); 527 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5); 528 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5); 529 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5); 530 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5); 531 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5); 532 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5); 533 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5); 534 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4); 535 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4); 536 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4); 537 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4); 538 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4); 539 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4); 540 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 541 if (dev_select[i].selected) { 542 switch(state) { 543 case TIME: 544 dinfo(i, ++lc, &cur, &last); 545 break; 546 case RUN: 547 dinfo(i, ++lc, &cur, &run); 548 break; 549 case BOOT: 550 dinfo(i, ++lc, &cur, NULL); 551 break; 552 } 553 } 554 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7); 555 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7); 556 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7); 557 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7); 558 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8); 559 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 560 NAMEIROW + 2, NAMEICOL + 9, 7); 561 #define nz(x) ((x) ? (x) : 1) 562 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 563 100.0 / nz(s.nchcount), 564 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1); 565 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7); 566 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 567 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1); 568 #undef nz 569 } 570 571 int 572 cmdkre(const char *cmd, const char *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(void) 637 { 638 int nusers = 0; 639 struct utmpx *ut; 640 641 setutxent(); 642 while ((ut = getutxent()) != NULL) 643 if (ut->ut_type == USER_PROCESS) 644 nusers++; 645 endutxent(); 646 647 return (nusers); 648 } 649 650 static float 651 cputime(int indx) 652 { 653 double lt; 654 int i; 655 656 lt = 0; 657 for (i = 0; i < CPUSTATES; i++) 658 lt += s.time[i]; 659 if (lt == 0.0) 660 lt = 1.0; 661 return (s.time[indx] * 100.0 / lt); 662 } 663 664 static void 665 putint(int n, int l, int lc, int w) 666 { 667 int snr; 668 char b[128]; 669 670 move(l, lc); 671 #ifdef DEBUG 672 while (w-- > 0) 673 addch('*'); 674 return; 675 #endif 676 if (n == 0) { 677 while (w-- > 0) 678 addch(' '); 679 return; 680 } 681 snr = snprintf(b, sizeof(b), "%*d", w, n); 682 if (snr != w) 683 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000); 684 if (snr != w) 685 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000); 686 if (snr != w) { 687 while (w-- > 0) 688 addch('*'); 689 return; 690 } 691 addstr(b); 692 } 693 694 static void 695 putfloat(double f, int l, int lc, int w, int d, int nz) 696 { 697 int snr; 698 char b[128]; 699 700 move(l, lc); 701 #ifdef DEBUG 702 while (--w >= 0) 703 addch('*'); 704 return; 705 #endif 706 if (nz && f == 0.0) { 707 while (--w >= 0) 708 addch(' '); 709 return; 710 } 711 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f); 712 if (snr != w) 713 snr = snprintf(b, sizeof(b), "%*.0f", w, f); 714 if (snr != w) 715 snr = snprintf(b, sizeof(b), "%*.0fk", w - 1, f / 1000); 716 if (snr != w) 717 snr = snprintf(b, sizeof(b), "%*.0fM", w - 1, f / 1000000); 718 if (snr != w) { 719 while (--w >= 0) 720 addch('*'); 721 return; 722 } 723 addstr(b); 724 } 725 726 static void 727 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 728 { 729 int snr; 730 char b[128]; 731 732 move(l, lc); 733 #ifdef DEBUG 734 while (--w >= 0) 735 addch('*'); 736 return; 737 #endif 738 if (nz && f == 0.0) { 739 while (--w >= 0) 740 addch(' '); 741 return; 742 } 743 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f); 744 if (snr != w) 745 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f); 746 if (snr != w) 747 snr = snprintf(b, sizeof(b), "%*.0Lfk", w - 1, f / 1000); 748 if (snr != w) 749 snr = snprintf(b, sizeof(b), "%*.0LfM", w - 1, f / 1000000); 750 if (snr != w) { 751 while (--w >= 0) 752 addch('*'); 753 return; 754 } 755 addstr(b); 756 } 757 758 static void 759 getinfo(struct Info *ls) 760 { 761 struct devinfo *tmp_dinfo; 762 size_t size; 763 int mib[2]; 764 765 GETSYSCTL("kern.cp_time", ls->time); 766 GETSYSCTL("kern.cp_time", cur.cp_time); 767 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 768 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 769 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 770 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 771 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 772 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 773 GETSYSCTL("vm.stats.vm.v_io_faults", ls->v_io_faults); 774 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 775 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 776 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 777 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 778 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 779 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 780 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 781 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 782 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 783 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 784 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 785 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 786 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 787 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 788 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 789 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 790 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 791 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 792 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size); 793 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 794 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 795 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 796 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 797 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count); 798 GETSYSCTL("vfs.bufspace", ls->bufspace); 799 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes); 800 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 801 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 802 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 803 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 804 GETSYSCTL("vm.kmem_map_size", ls->v_kmem_map_size); 805 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 806 807 size = sizeof(ls->Total); 808 mib[0] = CTL_VM; 809 mib[1] = VM_TOTAL; 810 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 811 error("Can't get kernel info: %s\n", strerror(errno)); 812 bzero(&ls->Total, sizeof(ls->Total)); 813 } 814 size = sizeof(ncpu); 815 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 816 size != sizeof(ncpu)) 817 ncpu = 1; 818 819 tmp_dinfo = last.dinfo; 820 last.dinfo = cur.dinfo; 821 cur.dinfo = tmp_dinfo; 822 823 last.snap_time = cur.snap_time; 824 switch (devstat_getdevs(NULL, &cur)) { 825 case -1: 826 errx(1, "%s", devstat_errbuf); 827 break; 828 case 1: 829 num_devices = cur.dinfo->numdevs; 830 generation = cur.dinfo->generation; 831 cmdkre("refresh", NULL); 832 break; 833 default: 834 break; 835 } 836 } 837 838 static void 839 allocinfo(struct Info *ls) 840 { 841 842 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 843 if (ls->intrcnt == NULL) 844 errx(2, "out of memory"); 845 } 846 847 static void 848 copyinfo(struct Info *from, struct Info *to) 849 { 850 long *intrcnt; 851 852 /* 853 * time, wds, seek, and xfer are malloc'd so we have to 854 * save the pointers before the structure copy and then 855 * copy by hand. 856 */ 857 intrcnt = to->intrcnt; 858 *to = *from; 859 860 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 861 } 862 863 static void 864 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then) 865 { 866 long double transfers_per_second; 867 long double kb_per_transfer, mb_per_second; 868 long double elapsed_time, device_busy; 869 int di; 870 871 di = dev_select[dn].position; 872 873 if (then != NULL) { 874 /* Calculate relative to previous sample */ 875 elapsed_time = now->snap_time - then->snap_time; 876 } else { 877 /* Calculate relative to device creation */ 878 elapsed_time = now->snap_time - devstat_compute_etime( 879 &now->dinfo->devices[di].creation_time, NULL); 880 } 881 882 if (devstat_compute_statistics(&now->dinfo->devices[di], then ? 883 &then->dinfo->devices[di] : NULL, elapsed_time, 884 DSM_KB_PER_TRANSFER, &kb_per_transfer, 885 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 886 DSM_MB_PER_SECOND, &mb_per_second, 887 DSM_BUSY_PCT, &device_busy, 888 DSM_NONE) != 0) 889 errx(1, "%s", devstat_errbuf); 890 891 lc = DISKCOL + lc * 6; 892 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 893 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0); 894 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0); 895 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0); 896 } 897