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