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 * @(#)vmstat.c 8.2 (Berkeley) 1/12/94 34 * $FreeBSD: src/usr.bin/systat/vmstat.c,v 1.38.2.4 2002/03/12 19:50:23 phantom Exp $ 35 * $DragonFly: src/usr.bin/systat/vmstat.c,v 1.9 2005/10/13 00:04:48 dillon Exp $ 36 */ 37 38 /* 39 * Cursed vmstat -- from Robert Elz. 40 */ 41 42 #define _KERNEL_STRUCTURES 43 #include <sys/param.h> 44 #include <sys/stat.h> 45 #include <sys/time.h> 46 #include <sys/user.h> 47 #include <sys/uio.h> 48 #include <sys/namei.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 <kinfo.h> 58 #include <langinfo.h> 59 #include <nlist.h> 60 #include <paths.h> 61 #include <signal.h> 62 #include <stddef.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <time.h> 66 #include <unistd.h> 67 #include <utmp.h> 68 #include <devstat.h> 69 #include "systat.h" 70 #include "extern.h" 71 #include "devs.h" 72 73 static struct Info { 74 struct kinfo_cputime cp_time; 75 struct vmmeter Vmm; 76 struct vmtotal Total; 77 struct vmstats Vms; 78 struct nchstats nchstats; 79 long nchcount; 80 long *intrcnt; 81 int bufspace; 82 int desiredvnodes; 83 long numvnodes; 84 long freevnodes; 85 long numdirtybuffers; 86 } s, s1, s2, z; 87 88 struct kinfo_cputime cp_time, old_cp_time; 89 struct statinfo cur, last, run; 90 91 #define vmm s.Vmm 92 #define vms s.Vms 93 #define oldvmm s1.Vmm 94 #define oldvms s1.Vms 95 #define total s.Total 96 #define nchtotal s.nchstats 97 #define oldnchtotal s1.nchstats 98 99 static enum state { BOOT, TIME, RUN } state = TIME; 100 101 static void allocinfo(struct Info *); 102 static void copyinfo(struct Info *, struct Info *); 103 static void dinfo(int, int, struct statinfo *, struct statinfo *); 104 static void getinfo(struct Info *, enum state); 105 static void putint(int, int, int, int); 106 static void putfloat(double, int, int, int, int, int); 107 static void putlongdouble(long double, int, int, int, int, int); 108 static int ucount(void); 109 110 static int ncpu; 111 static int ut; 112 static char buf[26]; 113 static time_t t; 114 static double etime; 115 static int nintr; 116 static long *intrloc; 117 static char **intrname; 118 static int nextintsrow; 119 static int extended_vm_stats; 120 121 struct utmp utmp; 122 123 124 WINDOW * 125 openkre(void) 126 { 127 128 ut = open(_PATH_UTMP, O_RDONLY); 129 if (ut < 0) 130 error("No utmp"); 131 return (stdscr); 132 } 133 134 void 135 closekre(WINDOW *w) 136 { 137 138 (void) close(ut); 139 if (w == NULL) 140 return; 141 wclear(w); 142 wrefresh(w); 143 } 144 145 146 static struct nlist namelist[] = { 147 #define X_BUFFERSPACE 0 148 { "_bufspace" }, 149 #define X_NCHSTATS 1 150 { "_nchstats" }, 151 #define X_DESIREDVNODES 2 152 { "_desiredvnodes" }, 153 #define X_NUMVNODES 3 154 { "_numvnodes" }, 155 #define X_FREEVNODES 4 156 { "_freevnodes" }, 157 #define X_NUMDIRTYBUFFERS 5 158 { "_numdirtybuffers" }, 159 { "" }, 160 }; 161 162 /* 163 * These constants define where the major pieces are laid out 164 */ 165 #define STATROW 0 /* uses 1 row and 68 cols */ 166 #define STATCOL 2 167 #define MEMROW 2 /* uses 4 rows and 31 cols */ 168 #define MEMCOL 0 169 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 170 #define PAGECOL 46 171 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 172 #define INTSCOL 61 173 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 174 #define PROCSCOL 0 175 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 176 #define GENSTATCOL 20 177 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 178 #define VMSTATCOL 48 179 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 180 #define GRAPHCOL 0 181 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 182 #define NAMEICOL 0 183 #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */ 184 #define DISKCOL 0 185 186 #define DRIVESPACE 7 /* max # for space */ 187 188 #define MAXDRIVES DRIVESPACE /* max # to display */ 189 190 int 191 initkre(void) 192 { 193 char *intrnamebuf; 194 size_t bytes; 195 size_t b; 196 size_t i; 197 198 if (namelist[0].n_type == 0) { 199 if (kvm_nlist(kd, namelist)) { 200 nlisterr(namelist); 201 return(0); 202 } 203 if (namelist[0].n_type == 0) { 204 error("No namelist"); 205 return(0); 206 } 207 } 208 209 if ((num_devices = getnumdevs()) < 0) { 210 warnx("%s", devstat_errbuf); 211 return(0); 212 } 213 214 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 215 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 216 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 217 bzero(cur.dinfo, sizeof(struct devinfo)); 218 bzero(last.dinfo, sizeof(struct devinfo)); 219 bzero(run.dinfo, sizeof(struct devinfo)); 220 221 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 222 return(0); 223 224 if (nintr == 0) { 225 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) { 226 intrnamebuf = malloc(bytes); 227 sysctlbyname("hw.intrnames", intrnamebuf, &bytes, 228 NULL, 0); 229 for (i = 0; i < bytes; ++i) { 230 if (intrnamebuf[i] == 0) 231 ++nintr; 232 } 233 intrname = malloc(nintr * sizeof(char *)); 234 intrloc = malloc(nintr * sizeof(*intrloc)); 235 nintr = 0; 236 for (b = i = 0; i < bytes; ++i) { 237 if (intrnamebuf[i] == 0) { 238 intrname[nintr] = intrnamebuf + b; 239 intrloc[nintr] = 0; 240 b = i + 1; 241 ++nintr; 242 } 243 } 244 } 245 nextintsrow = INTSROW + 2; 246 allocinfo(&s); 247 allocinfo(&s1); 248 allocinfo(&s2); 249 allocinfo(&z); 250 } 251 getinfo(&s2, RUN); 252 copyinfo(&s2, &s1); 253 return(1); 254 } 255 256 void 257 fetchkre(void) 258 { 259 time_t now; 260 struct tm *tp; 261 static int d_first = -1; 262 263 if (d_first < 0) 264 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 265 266 time(&now); 267 tp = localtime(&now); 268 (void) strftime(buf, sizeof(buf), 269 d_first ? "%e %b %R" : "%b %e %R", tp); 270 getinfo(&s, state); 271 } 272 273 void 274 labelkre(void) 275 { 276 register int i, j; 277 278 clear(); 279 mvprintw(STATROW, STATCOL + 4, "users Load"); 280 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 281 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 282 mvprintw(MEMROW + 2, MEMCOL, "Act"); 283 mvprintw(MEMROW + 3, MEMCOL, "All"); 284 285 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 286 287 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 288 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 289 mvprintw(PAGEROW + 2, PAGECOL, "count"); 290 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 291 292 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 293 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 294 295 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 296 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 297 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 298 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 299 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 300 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 301 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 302 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 303 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 304 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 305 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 306 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 307 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 308 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 309 310 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 311 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 312 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes"); 313 314 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 315 316 mvprintw(GRAPHROW, GRAPHCOL, 317 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 318 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w"); 319 mvprintw(GRAPHROW + 1, GRAPHCOL, 320 "| | | | | | | | | | |"); 321 322 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 323 mvprintw(NAMEIROW + 1, NAMEICOL, 324 " Calls hits %% hits %%"); 325 mvprintw(DISKROW, DISKCOL, "Disks"); 326 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 327 mvprintw(DISKROW + 2, DISKCOL, "tps"); 328 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 329 mvprintw(DISKROW + 4, DISKCOL, "%% busy"); 330 /* 331 * For now, we don't support a fourth disk statistic. So there's 332 * no point in providing a label for it. If someone can think of a 333 * fourth useful disk statistic, there is room to add it. 334 */ 335 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 336 j = 0; 337 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 338 if (dev_select[i].selected) { 339 char tmpstr[80]; 340 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 341 dev_select[i].unit_number); 342 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 343 " %5.5s", tmpstr); 344 j++; 345 } 346 347 if (j <= 4) { 348 /* 349 * room for extended VM stats 350 */ 351 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 352 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod"); 353 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z"); 354 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 355 extended_vm_stats = 1; 356 } else { 357 extended_vm_stats = 0; 358 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod"); 359 } 360 361 for (i = 0; i < nintr; i++) { 362 if (intrloc[i] == 0) 363 continue; 364 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 365 } 366 } 367 368 #define CP_UPDATE(fld) do { \ 369 uint64_t t; \ 370 t=s.fld; \ 371 s.fld-=s1.fld; \ 372 if(state==TIME) \ 373 s1.fld=t; \ 374 t=fld; \ 375 fld-=old_##fld; \ 376 if(state==TIME) \ 377 old_##fld=t; \ 378 etime += s.fld; \ 379 } while(0) 380 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 381 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 382 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 383 if(state == TIME) s1.nchstats.fld = t;} 384 #define PUTRATE(fld, l, c, w) \ 385 Y(fld); \ 386 putint((int)((float)s.fld/etime + 0.5), l, c, w) 387 #define MAXFAIL 5 388 389 #define CPUSTATES 5 390 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' }; 391 392 static const size_t cpuoffsets[] = { 393 offsetof(struct kinfo_cputime, cp_sys), 394 offsetof(struct kinfo_cputime, cp_intr), 395 offsetof(struct kinfo_cputime, cp_user), 396 offsetof(struct kinfo_cputime, cp_nice), 397 offsetof(struct kinfo_cputime, cp_idle) 398 }; 399 400 void 401 showkre(void) 402 { 403 float f1, f2; 404 int psiz, inttotal; 405 int i, l, c; 406 static int failcnt = 0; 407 double total_time; 408 409 etime = 0; 410 CP_UPDATE(cp_time.cp_user); 411 CP_UPDATE(cp_time.cp_nice); 412 CP_UPDATE(cp_time.cp_sys); 413 CP_UPDATE(cp_time.cp_intr); 414 CP_UPDATE(cp_time.cp_idle); 415 416 total_time = etime; 417 if (total_time == 0.0) 418 total_time = 1.0; 419 420 if (etime < 100000.0) { /* < 100ms ignore this trash */ 421 if (failcnt++ >= MAXFAIL) { 422 clear(); 423 mvprintw(2, 10, "The alternate system clock has died!"); 424 mvprintw(3, 10, "Reverting to ``pigs'' display."); 425 move(CMDLINE, 0); 426 refresh(); 427 failcnt = 0; 428 sleep(5); 429 command("pigs"); 430 } 431 return; 432 } 433 failcnt = 0; 434 etime /= 1000000.0; 435 etime /= ncpu; 436 if (etime == 0) 437 etime = 1; 438 inttotal = 0; 439 for (i = 0; i < nintr; i++) { 440 if (s.intrcnt[i] == 0) 441 continue; 442 if (intrloc[i] == 0) { 443 if (nextintsrow == LINES) 444 continue; 445 intrloc[i] = nextintsrow++; 446 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 447 intrname[i]); 448 } 449 X(intrcnt); 450 l = (int)((float)s.intrcnt[i]/etime + 0.5); 451 inttotal += l; 452 putint(l, intrloc[i], INTSCOL + 2, 6); 453 } 454 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6); 455 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 456 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 457 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 458 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 459 if (state == TIME) 460 s1.nchcount = s.nchcount; 461 462 psiz = 0; 463 f2 = 0.0; 464 for (c = 0; c < CPUSTATES; c++) { 465 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) + 466 cpuoffsets[c]); 467 f1 = 100.0 * val / total_time; 468 f2 += f1; 469 l = (int) ((f2 + 1.0) / 2.0) - psiz; 470 if (f1 > 99.9) 471 f1 = 99.9; /* no room to display 100.0 */ 472 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0); 473 move(GRAPHROW + 2, psiz); 474 psiz += l; 475 while (l-- > 0) 476 addch(cpuchar[c]); 477 } 478 479 putint(ucount(), STATROW, STATCOL, 3); 480 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); 481 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); 482 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); 483 mvaddstr(STATROW, STATCOL + 53, buf); 484 #define pgtokb(pg) ((pg) * vms.v_page_size / 1024) 485 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8); 486 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8); 487 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9); 488 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9); 489 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8); 490 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8); 491 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9); 492 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9); 493 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8); 494 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); 495 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3); 496 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3); 497 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3); 498 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3); 499 if (extended_vm_stats == 0) { 500 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 501 } 502 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 503 putint(pgtokb(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9); 504 putint(pgtokb(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 9); 505 putint(pgtokb(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9); 506 putint(pgtokb(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9); 507 putint(pgtokb(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 9); 508 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 509 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 510 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 511 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 512 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 513 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 514 515 if (extended_vm_stats) { 516 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 517 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 518 putint( 519 ((s.Vmm.v_ozfod < s.Vmm.v_zfod) ? 520 s.Vmm.v_ozfod * 100 / s.Vmm.v_zfod : 521 0 522 ), 523 VMSTATROW + 13, 524 VMSTATCOL - 16, 525 9 526 ); 527 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 528 } 529 530 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9); 531 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9); 532 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9); 533 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9); 534 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9); 535 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 536 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 537 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 538 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 539 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 540 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 541 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 542 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 543 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 544 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5); 545 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5); 546 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5); 547 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5); 548 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5); 549 mvprintw(DISKROW, DISKCOL + 5, " "); 550 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++) 551 if (dev_select[i].selected) { 552 char tmpstr[80]; 553 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 554 dev_select[i].unit_number); 555 mvprintw(DISKROW, DISKCOL + 5 + 6 * c, 556 " %5.5s", tmpstr); 557 switch(state) { 558 case TIME: 559 dinfo(i, ++c, &cur, &last); 560 break; 561 case RUN: 562 dinfo(i, ++c, &cur, &run); 563 break; 564 case BOOT: 565 dinfo(i, ++c, &cur, NULL); 566 break; 567 } 568 } 569 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); 570 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 571 NAMEIROW + 2, NAMEICOL + 9, 9); 572 #define nz(x) ((x) ? (x) : 1) 573 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 574 100.0 / nz(s.nchcount), 575 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); 576 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); 577 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 578 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1); 579 #undef nz 580 } 581 582 int 583 cmdkre(char *cmd, char *args) 584 { 585 int retval; 586 587 if (prefix(cmd, "run")) { 588 retval = 1; 589 copyinfo(&s2, &s1); 590 switch (getdevs(&run)) { 591 case -1: 592 errx(1, "%s", devstat_errbuf); 593 break; 594 case 1: 595 num_devices = run.dinfo->numdevs; 596 generation = run.dinfo->generation; 597 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 598 if (retval == 2) 599 labelkre(); 600 break; 601 default: 602 break; 603 } 604 state = RUN; 605 return (retval); 606 } 607 if (prefix(cmd, "boot")) { 608 state = BOOT; 609 copyinfo(&z, &s1); 610 return (1); 611 } 612 if (prefix(cmd, "time")) { 613 state = TIME; 614 return (1); 615 } 616 if (prefix(cmd, "zero")) { 617 retval = 1; 618 if (state == RUN) { 619 getinfo(&s1, RUN); 620 switch (getdevs(&run)) { 621 case -1: 622 errx(1, "%s", devstat_errbuf); 623 break; 624 case 1: 625 num_devices = run.dinfo->numdevs; 626 generation = run.dinfo->generation; 627 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 628 if (retval == 2) 629 labelkre(); 630 break; 631 default: 632 break; 633 } 634 } 635 return (retval); 636 } 637 retval = dscmd(cmd, args, MAXDRIVES, &cur); 638 639 if (retval == 2) 640 labelkre(); 641 642 return(retval); 643 } 644 645 /* calculate number of users on the system */ 646 static int 647 ucount(void) 648 { 649 register int nusers = 0; 650 651 if (ut < 0) 652 return (0); 653 while (read(ut, &utmp, sizeof(utmp))) 654 if (utmp.ut_name[0] != '\0') 655 nusers++; 656 657 lseek(ut, 0L, L_SET); 658 return (nusers); 659 } 660 661 static void 662 putint(int n, int l, int c, int w) 663 { 664 char b[128]; 665 666 move(l, c); 667 if (n == 0) { 668 while (w-- > 0) 669 addch(' '); 670 return; 671 } 672 snprintf(b, sizeof(b), "%*d", w, n); 673 if (strlen(b) > w) { 674 while (w-- > 0) 675 addch('*'); 676 return; 677 } 678 addstr(b); 679 } 680 681 static void 682 putfloat(double f, int l, int c, int w, int d, int nz) 683 { 684 char b[128]; 685 686 move(l, c); 687 if (nz && f == 0.0) { 688 while (--w >= 0) 689 addch(' '); 690 return; 691 } 692 snprintf(b, sizeof(b), "%*.*f", w, d, f); 693 if (strlen(b) > w) 694 snprintf(b, sizeof(b), "%*.0f", w, f); 695 if (strlen(b) > w) { 696 while (--w >= 0) 697 addch('*'); 698 return; 699 } 700 addstr(b); 701 } 702 703 static void 704 putlongdouble(long double f, int l, int c, int w, int d, int nz) 705 { 706 char b[128]; 707 708 move(l, c); 709 if (nz && f == 0.0) { 710 while (--w >= 0) 711 addch(' '); 712 return; 713 } 714 sprintf(b, "%*.*Lf", w, d, f); 715 if (strlen(b) > w) 716 sprintf(b, "%*.0Lf", w, f); 717 if (strlen(b) > w) { 718 while (--w >= 0) 719 addch('*'); 720 return; 721 } 722 addstr(b); 723 } 724 725 static void 726 getinfo(struct Info *s, enum state st) 727 { 728 struct devinfo *tmp_dinfo; 729 struct nchstats *nch_tmp; 730 size_t size; 731 int vms_size = sizeof(s->Vms); 732 int vmm_size = sizeof(s->Vmm); 733 size_t nch_size = sizeof(s->nchstats) * SMP_MAXCPU; 734 735 if (sysctlbyname("vm.vmstats", &s->Vms, &vms_size, NULL, 0)) { 736 perror("sysctlbyname: vm.vmstats"); 737 exit(1); 738 } 739 if (sysctlbyname("vm.vmmeter", &s->Vmm, &vmm_size, NULL, 0)) { 740 perror("sysctlbyname: vm.vmstats"); 741 exit(1); 742 } 743 744 if (kinfo_get_sched_cputime(&s->cp_time)) 745 err(1, "kinfo_get_sched_cputime"); 746 if (kinfo_get_sched_cputime(&cp_time)) 747 err(1, "kinfo_get_sched_cputime"); 748 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace)); 749 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes)); 750 NREAD(X_NUMVNODES, &s->numvnodes, LONG); 751 NREAD(X_FREEVNODES, &s->freevnodes, LONG); 752 NREAD(X_NUMDIRTYBUFFERS, &s->numdirtybuffers, sizeof(s->numdirtybuffers)); 753 754 if (nintr) { 755 size = nintr * sizeof(s->intrcnt[0]); 756 sysctlbyname("hw.intrcnt", s->intrcnt, &size, NULL, 0); 757 } 758 size = sizeof(s->Total); 759 if (sysctlbyname("vm.vmtotal", &s->Total, &size, NULL, 0) < 0) { 760 error("Can't get kernel info: %s\n", strerror(errno)); 761 bzero(&s->Total, sizeof(s->Total)); 762 } 763 764 if ((nch_tmp = malloc(nch_size)) == NULL) { 765 perror("malloc"); 766 exit(1); 767 } else { 768 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) { 769 perror("sysctlbyname vfs.cache.nchstats"); 770 free(nch_tmp); 771 exit(1); 772 } else { 773 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) { 774 perror("realloc"); 775 exit(1); 776 } 777 } 778 } 779 780 if (kinfo_get_cpus(&ncpu)) 781 err(1, "kinfo_get_cpus"); 782 kvm_nch_cpuagg(nch_tmp, &s->nchstats, ncpu); 783 free(nch_tmp); 784 785 tmp_dinfo = last.dinfo; 786 last.dinfo = cur.dinfo; 787 cur.dinfo = tmp_dinfo; 788 789 last.busy_time = cur.busy_time; 790 switch (getdevs(&cur)) { 791 case -1: 792 errx(1, "%s", devstat_errbuf); 793 break; 794 case 1: 795 num_devices = cur.dinfo->numdevs; 796 generation = cur.dinfo->generation; 797 cmdkre("refresh", NULL); 798 break; 799 default: 800 break; 801 } 802 } 803 804 static void 805 allocinfo(struct Info *s) 806 { 807 s->intrcnt = (long *) calloc(nintr, sizeof(long)); 808 if (s->intrcnt == NULL) 809 errx(2, "out of memory"); 810 } 811 812 static void 813 copyinfo(register struct Info *from, register struct Info *to) 814 { 815 long *intrcnt; 816 817 /* 818 * time, wds, seek, and xfer are malloc'd so we have to 819 * save the pointers before the structure copy and then 820 * copy by hand. 821 */ 822 intrcnt = to->intrcnt; 823 *to = *from; 824 825 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 826 } 827 828 static void 829 dinfo(int dn, int c, struct statinfo *now, struct statinfo *then) 830 { 831 long double transfers_per_second; 832 long double kb_per_transfer, mb_per_second; 833 long double elapsed_time, device_busy; 834 int di; 835 836 di = dev_select[dn].position; 837 838 elapsed_time = compute_etime(now->busy_time, then ? 839 then->busy_time : 840 now->dinfo->devices[di].dev_creation_time); 841 842 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 843 then->dinfo->devices[di].busy_time : 844 now->dinfo->devices[di].dev_creation_time); 845 846 if (compute_stats(&now->dinfo->devices[di], then ? 847 &then->dinfo->devices[di] : NULL, elapsed_time, 848 NULL, NULL, NULL, 849 &kb_per_transfer, &transfers_per_second, 850 &mb_per_second, NULL, NULL) != 0) 851 errx(1, "%s", devstat_errbuf); 852 853 if ((device_busy == 0) && (transfers_per_second > 5)) 854 /* the device has been 100% busy, fake it because 855 * as long as the device is 100% busy the busy_time 856 * field in the devstat struct is not updated */ 857 device_busy = elapsed_time; 858 if (device_busy > elapsed_time) 859 /* this normally happens after one or more periods 860 * where the device has been 100% busy, correct it */ 861 device_busy = elapsed_time; 862 863 c = DISKCOL + c * 6; 864 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0); 865 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0); 866 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0); 867 putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, c, 5, 0, 0); 868 } 869