1 /*- 2 * Copyright (c) 1983, 1989, 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 36 __FBSDID("$FreeBSD$"); 37 38 #ifdef lint 39 static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 40 #endif 41 42 /* 43 * Cursed vmstat -- from Robert Elz. 44 */ 45 46 #include <sys/param.h> 47 #include <sys/stat.h> 48 #include <sys/time.h> 49 #include <sys/proc.h> 50 #include <sys/uio.h> 51 #include <sys/namei.h> 52 #include <sys/resource.h> 53 #include <sys/sysctl.h> 54 #include <sys/vmmeter.h> 55 56 #include <vm/vm_param.h> 57 58 #include <ctype.h> 59 #include <err.h> 60 #include <errno.h> 61 #include <langinfo.h> 62 #include <nlist.h> 63 #include <paths.h> 64 #include <signal.h> 65 #include <stdlib.h> 66 #include <string.h> 67 #include <time.h> 68 #include <unistd.h> 69 #include <utmp.h> 70 #include <devstat.h> 71 #include "systat.h" 72 #include "extern.h" 73 #include "devs.h" 74 75 static struct Info { 76 long time[CPUSTATES]; 77 u_int v_swtch; /* context switches */ 78 u_int v_trap; /* calls to trap */ 79 u_int v_syscall; /* calls to syscall() */ 80 u_int v_intr; /* device interrupts */ 81 u_int v_soft; /* software interrupts */ 82 /* 83 * Virtual memory activity. 84 */ 85 u_int v_vm_faults; /* number of address memory faults */ 86 u_int v_cow_faults; /* number of copy-on-writes */ 87 u_int v_zfod; /* pages zero filled on demand */ 88 u_int v_ozfod; /* optimized zero fill pages */ 89 u_int v_swapin; /* swap pager pageins */ 90 u_int v_swapout; /* swap pager pageouts */ 91 u_int v_swappgsin; /* swap pager pages paged in */ 92 u_int v_swappgsout; /* swap pager pages paged out */ 93 u_int v_vnodein; /* vnode pager pageins */ 94 u_int v_vnodeout; /* vnode pager pageouts */ 95 u_int v_vnodepgsin; /* vnode_pager pages paged in */ 96 u_int v_vnodepgsout; /* vnode pager pages paged out */ 97 u_int v_intrans; /* intransit blocking page faults */ 98 u_int v_reactivated; /* number of pages reactivated from free list */ 99 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */ 100 u_int v_pdpages; /* number of pages analyzed by daemon */ 101 102 u_int v_dfree; /* pages freed by daemon */ 103 u_int v_pfree; /* pages freed by exiting processes */ 104 u_int v_tfree; /* total pages freed */ 105 /* 106 * Distribution of page usages. 107 */ 108 u_int v_page_size; /* page size in bytes */ 109 u_int v_free_count; /* number of pages free */ 110 u_int v_wire_count; /* number of pages wired down */ 111 u_int v_active_count; /* number of pages active */ 112 u_int v_inactive_count; /* number of pages inactive */ 113 u_int v_cache_count; /* number of pages on buffer cache queue */ 114 struct vmtotal Total; 115 struct nchstats nchstats; 116 long nchcount; 117 long *intrcnt; 118 int bufspace; 119 int desiredvnodes; 120 long numvnodes; 121 long freevnodes; 122 int numdirtybuffers; 123 } s, s1, s2, z; 124 125 struct statinfo cur, last, run; 126 127 #define total s.Total 128 #define nchtotal s.nchstats 129 #define oldnchtotal s1.nchstats 130 131 static enum state { BOOT, TIME, RUN } state = TIME; 132 133 static void allocinfo(struct Info *); 134 static void copyinfo(struct Info *, struct Info *); 135 static float cputime(int); 136 static void dinfo(int, int, struct statinfo *, struct statinfo *); 137 static void getinfo(struct Info *); 138 static void putint(int, int, int, int); 139 static void putfloat(double, int, int, int, int, int); 140 static void putlongdouble(long double, int, int, int, int, int); 141 static int ucount(void); 142 143 static int ncpu; 144 static int ut; 145 static char buf[26]; 146 static time_t t; 147 static double etime; 148 static int nintr; 149 static long *intrloc; 150 static char **intrname; 151 static int nextintsrow; 152 153 struct utmp utmp; 154 155 156 WINDOW * 157 openkre(void) 158 { 159 160 ut = open(_PATH_UTMP, O_RDONLY); 161 if (ut < 0) 162 error("No utmp"); 163 return (stdscr); 164 } 165 166 void 167 closekre(WINDOW *w) 168 { 169 170 (void) close(ut); 171 if (w == NULL) 172 return; 173 wclear(w); 174 wrefresh(w); 175 } 176 177 /* 178 * These constants define where the major pieces are laid out 179 */ 180 #define STATROW 0 /* uses 1 row and 67 cols */ 181 #define STATCOL 0 182 #define MEMROW 2 /* uses 4 rows and 45 cols */ 183 #define MEMCOL 0 184 #define PAGEROW 2 /* uses 4 rows and 30 cols */ 185 #define PAGECOL 47 186 #define INTSROW 6 /* uses all rows to bottom and 16 cols */ 187 #define INTSCOL 64 188 #define PROCSROW 6 /* uses 3 rows and 19 cols */ 189 #define PROCSCOL 0 190 #define GENSTATROW 7 /* uses 2 rows and 29 cols */ 191 #define GENSTATCOL 21 192 #define VMSTATROW 7 /* uses 17 rows and 12-14 cols */ 193 #define VMSTATCOL 49 /* actually 50-51 for some fields */ 194 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */ 195 #define GRAPHCOL 0 196 #define VNSTATROW 13 /* uses 4 rows and 13 columns */ 197 #define VNSTATCOL 35 198 #define NAMEIROW 14 /* uses 3 rows and 32 cols */ 199 #define NAMEICOL 0 200 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 201 #define DISKCOL 0 202 203 #define DRIVESPACE 7 /* max # for space */ 204 205 #define MAXDRIVES DRIVESPACE /* max # to display */ 206 207 int 208 initkre(void) 209 { 210 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp; 211 int i; 212 size_t sz; 213 214 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 215 warnx("%s", devstat_errbuf); 216 return(0); 217 } 218 219 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 220 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 221 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 222 bzero(cur.dinfo, sizeof(struct devinfo)); 223 bzero(last.dinfo, sizeof(struct devinfo)); 224 bzero(run.dinfo, sizeof(struct devinfo)); 225 226 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 227 return(0); 228 229 if (nintr == 0) { 230 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 231 error("sysctl(hw.intrcnt...) failed: %s", 232 strerror(errno)); 233 return (0); 234 } 235 nintr = sz / sizeof(u_long); 236 intrloc = calloc(nintr, sizeof (long)); 237 intrname = calloc(nintr, sizeof (char *)); 238 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 239 if (intrnamebuf == NULL || intrname == NULL || 240 intrloc == NULL) { 241 error("Out of memory"); 242 if (intrnamebuf) 243 free(intrnamebuf); 244 if (intrname) 245 free(intrname); 246 if (intrloc) 247 free(intrloc); 248 nintr = 0; 249 return(0); 250 } 251 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 252 nextcp = cp + strlen(cp) + 1; 253 254 /* Discard trailing spaces. */ 255 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; ) 256 *--cp1 = '\0'; 257 258 /* Convert "irqN: name" to "name irqN". */ 259 if (strncmp(cp, "irq", 3) == 0) { 260 cp1 = cp + 3; 261 while (isdigit((u_char)*cp1)) 262 cp1++; 263 if (cp1 != cp && *cp1 == ':' && 264 *(cp1 + 1) == ' ') { 265 *cp1 = '\0'; 266 cp1 = cp1 + 2; 267 cp2 = strdup(cp); 268 bcopy(cp1, cp, strlen(cp1) + 1); 269 strcat(cp, " "); 270 strcat(cp, cp2); 271 free(cp2); 272 } 273 } 274 275 /* 276 * Convert "name irqN" to "name N" if the former is 277 * longer than the field width. 278 */ 279 if ((cp1 = strstr(cp, "irq")) != NULL && 280 strlen(cp) > 10) 281 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1); 282 283 intrname[i] = cp; 284 cp = nextcp; 285 } 286 nextintsrow = INTSROW + 2; 287 allocinfo(&s); 288 allocinfo(&s1); 289 allocinfo(&s2); 290 allocinfo(&z); 291 } 292 getinfo(&s2); 293 copyinfo(&s2, &s1); 294 return(1); 295 } 296 297 void 298 fetchkre(void) 299 { 300 time_t now; 301 struct tm *tp; 302 static int d_first = -1; 303 304 if (d_first < 0) 305 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 306 307 time(&now); 308 tp = localtime(&now); 309 (void) strftime(buf, sizeof(buf), 310 d_first ? "%e %b %R" : "%b %e %R", tp); 311 getinfo(&s); 312 } 313 314 void 315 labelkre(void) 316 { 317 int i, j; 318 319 clear(); 320 mvprintw(STATROW, STATCOL + 6, "users Load"); 321 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 322 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 323 mvprintw(MEMROW + 2, MEMCOL, "Act"); 324 mvprintw(MEMROW + 3, MEMCOL, "All"); 325 326 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 327 328 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER"); 329 mvprintw(PAGEROW + 1, PAGECOL, " in out in out"); 330 mvprintw(PAGEROW + 2, PAGECOL, "count"); 331 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 332 333 mvprintw(INTSROW, INTSCOL + 1, "Interrupts"); 334 mvprintw(INTSROW + 1, INTSCOL + 6, "total"); 335 336 mvprintw(VMSTATROW, VMSTATCOL + 9, "cow"); 337 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "zfod"); 338 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "ozfod"); 339 mvprintw(VMSTATROW + 3, VMSTATCOL + 9 - 1, "%%ozfod"); 340 mvprintw(VMSTATROW + 4, VMSTATCOL + 9, "daefr"); 341 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "prcfr"); 342 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "totfr"); 343 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "react"); 344 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "pdwak"); 345 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdpgs"); 346 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "intrn"); 347 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "wire"); 348 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "act"); 349 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "inact"); 350 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "cache"); 351 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "free"); 352 if (LINES - 1 > VMSTATROW + 16) 353 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "buf"); 354 355 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 356 357 mvprintw(GRAPHROW, GRAPHCOL, 358 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 359 mvprintw(PROCSROW, PROCSCOL, "Proc:"); 360 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w"); 361 mvprintw(GRAPHROW + 1, GRAPHCOL, 362 "| | | | | | | | | | |"); 363 364 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf"); 365 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn"); 366 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn"); 367 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn"); 368 369 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 370 mvprintw(NAMEIROW + 1, NAMEICOL, 371 " Calls hits %% hits %%"); 372 mvprintw(DISKROW, DISKCOL, "Disks"); 373 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 374 mvprintw(DISKROW + 2, DISKCOL, "tps"); 375 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 376 mvprintw(DISKROW + 4, DISKCOL, "%%busy"); 377 /* 378 * For now, we don't support a fourth disk statistic. So there's 379 * no point in providing a label for it. If someone can think of a 380 * fourth useful disk statistic, there is room to add it. 381 */ 382 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 383 j = 0; 384 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 385 if (dev_select[i].selected) { 386 char tmpstr[80]; 387 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 388 dev_select[i].unit_number); 389 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 390 " %5.5s", tmpstr); 391 j++; 392 } 393 394 for (i = 0; i < nintr; i++) { 395 if (intrloc[i] == 0) 396 continue; 397 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); 398 } 399 } 400 401 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 402 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 403 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 404 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 405 if(state == TIME) s1.nchstats.fld = t;} 406 #define PUTRATE(fld, l, c, w) \ 407 do { \ 408 Y(fld); \ 409 putint((int)((float)s.fld/etime + 0.5), l, c, w); \ 410 } while (0) 411 #define MAXFAIL 5 412 413 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 414 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 415 CP_IDLE }; 416 417 void 418 showkre(void) 419 { 420 float f1, f2; 421 int psiz, inttotal; 422 int i, l, lc; 423 static int failcnt = 0; 424 425 etime = 0; 426 for(i = 0; i < CPUSTATES; i++) { 427 X(time); 428 Q(cp_time); 429 etime += s.time[i]; 430 } 431 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 432 if (failcnt++ >= MAXFAIL) { 433 clear(); 434 mvprintw(2, 10, "The alternate system clock has died!"); 435 mvprintw(3, 10, "Reverting to ``pigs'' display."); 436 move(CMDLINE, 0); 437 refresh(); 438 failcnt = 0; 439 sleep(5); 440 command("pigs"); 441 } 442 return; 443 } 444 failcnt = 0; 445 etime /= hertz; 446 etime /= ncpu; 447 inttotal = 0; 448 for (i = 0; i < nintr; i++) { 449 if (s.intrcnt[i] == 0) 450 continue; 451 if (intrloc[i] == 0) { 452 if (nextintsrow == LINES) 453 continue; 454 intrloc[i] = nextintsrow++; 455 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", 456 intrname[i]); 457 } 458 X(intrcnt); 459 l = (int)((float)s.intrcnt[i]/etime + 0.5); 460 inttotal += l; 461 putint(l, intrloc[i], INTSCOL, 5); 462 } 463 putint(inttotal, INTSROW + 1, INTSCOL, 5); 464 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 465 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 466 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 467 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 468 if (state == TIME) 469 s1.nchcount = s.nchcount; 470 471 psiz = 0; 472 f2 = 0.0; 473 for (lc = 0; lc < CPUSTATES; lc++) { 474 i = cpuorder[lc]; 475 f1 = cputime(i); 476 f2 += f1; 477 l = (int) ((f2 + 1.0) / 2.0) - psiz; 478 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 479 move(GRAPHROW + 2, psiz); 480 psiz += l; 481 while (l-- > 0) 482 addch(cpuchar[lc]); 483 } 484 485 putint(ucount(), STATROW, STATCOL, 5); 486 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0); 487 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0); 488 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0); 489 mvaddstr(STATROW, STATCOL + 55, buf); 490 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024)) 491 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7); 492 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7); 493 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8); 494 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8); 495 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7); 496 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7); 497 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8); 498 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8); 499 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7); 500 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3); 501 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3); 502 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3); 503 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3); 504 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3); 505 PUTRATE(v_cow_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2); 506 PUTRATE(v_zfod, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2); 507 PUTRATE(v_ozfod, VMSTATROW + 2, VMSTATCOL, 8); 508 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0, 509 VMSTATROW + 3, VMSTATCOL + 1, 8 - 1); 510 PUTRATE(v_dfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2); 511 PUTRATE(v_pfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2); 512 PUTRATE(v_tfree, VMSTATROW + 6, VMSTATCOL, 8); 513 PUTRATE(v_reactivated, VMSTATROW + 7, VMSTATCOL, 8); 514 PUTRATE(v_pdwakeups, VMSTATROW + 8, VMSTATCOL, 8); 515 PUTRATE(v_pdpages, VMSTATROW + 9, VMSTATCOL, 8); 516 PUTRATE(v_intrans, VMSTATROW + 10, VMSTATCOL, 8); 517 putint(pgtokb(s.v_wire_count), VMSTATROW + 11, VMSTATCOL, 8); 518 putint(pgtokb(s.v_active_count), VMSTATROW + 12, VMSTATCOL, 8); 519 putint(pgtokb(s.v_inactive_count), VMSTATROW + 13, VMSTATCOL, 8); 520 putint(pgtokb(s.v_cache_count), VMSTATROW + 14, VMSTATCOL, 8); 521 putint(pgtokb(s.v_free_count), VMSTATROW + 15, VMSTATCOL, 8); 522 if (LINES - 1 > VMSTATROW + 16) 523 putint(s.bufspace / 1024, VMSTATROW + 16, VMSTATCOL, 8); 524 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5); 525 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5); 526 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5); 527 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5); 528 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5); 529 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5); 530 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5); 531 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5); 532 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4); 533 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4); 534 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4); 535 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4); 536 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4); 537 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4); 538 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 539 if (dev_select[i].selected) { 540 switch(state) { 541 case TIME: 542 dinfo(i, ++lc, &cur, &last); 543 break; 544 case RUN: 545 dinfo(i, ++lc, &cur, &run); 546 break; 547 case BOOT: 548 dinfo(i, ++lc, &cur, NULL); 549 break; 550 } 551 } 552 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7); 553 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7); 554 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7); 555 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7); 556 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8); 557 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 558 NAMEIROW + 2, NAMEICOL + 9, 7); 559 #define nz(x) ((x) ? (x) : 1) 560 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 561 100.0 / nz(s.nchcount), 562 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1); 563 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7); 564 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 565 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1); 566 #undef nz 567 } 568 569 int 570 cmdkre(const char *cmd, const char *args) 571 { 572 int retval; 573 574 if (prefix(cmd, "run")) { 575 retval = 1; 576 copyinfo(&s2, &s1); 577 switch (devstat_getdevs(NULL, &run)) { 578 case -1: 579 errx(1, "%s", devstat_errbuf); 580 break; 581 case 1: 582 num_devices = run.dinfo->numdevs; 583 generation = run.dinfo->generation; 584 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 585 if (retval == 2) 586 labelkre(); 587 break; 588 default: 589 break; 590 } 591 state = RUN; 592 return (retval); 593 } 594 if (prefix(cmd, "boot")) { 595 state = BOOT; 596 copyinfo(&z, &s1); 597 return (1); 598 } 599 if (prefix(cmd, "time")) { 600 state = TIME; 601 return (1); 602 } 603 if (prefix(cmd, "zero")) { 604 retval = 1; 605 if (state == RUN) { 606 getinfo(&s1); 607 switch (devstat_getdevs(NULL, &run)) { 608 case -1: 609 errx(1, "%s", devstat_errbuf); 610 break; 611 case 1: 612 num_devices = run.dinfo->numdevs; 613 generation = run.dinfo->generation; 614 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 615 if (retval == 2) 616 labelkre(); 617 break; 618 default: 619 break; 620 } 621 } 622 return (retval); 623 } 624 retval = dscmd(cmd, args, MAXDRIVES, &cur); 625 626 if (retval == 2) 627 labelkre(); 628 629 return(retval); 630 } 631 632 /* calculate number of users on the system */ 633 static int 634 ucount(void) 635 { 636 int nusers = 0; 637 638 if (ut < 0) 639 return (0); 640 while (read(ut, &utmp, sizeof(utmp))) 641 if (utmp.ut_name[0] != '\0') 642 nusers++; 643 644 lseek(ut, 0L, L_SET); 645 return (nusers); 646 } 647 648 static float 649 cputime(int indx) 650 { 651 double lt; 652 int i; 653 654 lt = 0; 655 for (i = 0; i < CPUSTATES; i++) 656 lt += s.time[i]; 657 if (lt == 0.0) 658 lt = 1.0; 659 return (s.time[indx] * 100.0 / lt); 660 } 661 662 static void 663 putint(int n, int l, int lc, int w) 664 { 665 int snr; 666 char b[128]; 667 668 move(l, lc); 669 #ifdef DEBUG 670 while (w-- > 0) 671 addch('*'); 672 return; 673 #endif 674 if (n == 0) { 675 while (w-- > 0) 676 addch(' '); 677 return; 678 } 679 snr = snprintf(b, sizeof(b), "%*d", w, n); 680 if (snr != w) 681 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000); 682 if (snr != w) 683 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000); 684 if (snr != w) { 685 while (w-- > 0) 686 addch('*'); 687 return; 688 } 689 addstr(b); 690 } 691 692 static void 693 putfloat(double f, int l, int lc, int w, int d, int nz) 694 { 695 int snr; 696 char b[128]; 697 698 move(l, lc); 699 #ifdef DEBUG 700 while (--w >= 0) 701 addch('*'); 702 return; 703 #endif 704 if (nz && f == 0.0) { 705 while (--w >= 0) 706 addch(' '); 707 return; 708 } 709 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f); 710 if (snr != w) 711 snr = snprintf(b, sizeof(b), "%*.0f", w, f); 712 if (snr != w) { 713 while (--w >= 0) 714 addch('*'); 715 return; 716 } 717 addstr(b); 718 } 719 720 static void 721 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 722 { 723 int snr; 724 char b[128]; 725 726 move(l, lc); 727 #ifdef DEBUG 728 while (--w >= 0) 729 addch('*'); 730 return; 731 #endif 732 if (nz && f == 0.0) { 733 while (--w >= 0) 734 addch(' '); 735 return; 736 } 737 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f); 738 if (snr != w) 739 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f); 740 if (snr != w) { 741 while (--w >= 0) 742 addch('*'); 743 return; 744 } 745 addstr(b); 746 } 747 748 static void 749 getinfo(struct Info *ls) 750 { 751 struct devinfo *tmp_dinfo; 752 size_t size; 753 int mib[2]; 754 755 GETSYSCTL("kern.cp_time", ls->time); 756 GETSYSCTL("kern.cp_time", cur.cp_time); 757 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 758 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 759 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 760 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 761 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 762 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_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