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 1.12 2008/11/10 04:59:45 swildner Exp $ 36 */ 37 38 /* 39 * Cursed vmstat -- from Robert Elz. 40 */ 41 42 #include <sys/user.h> 43 #include <sys/param.h> 44 #include <sys/stat.h> 45 #include <sys/time.h> 46 #include <sys/uio.h> 47 #include <sys/namei.h> 48 #include <sys/sysctl.h> 49 #include <sys/vmmeter.h> 50 51 #include <vm/vm_param.h> 52 53 #include <ctype.h> 54 #include <err.h> 55 #include <errno.h> 56 #include <kinfo.h> 57 #include <langinfo.h> 58 #include <nlist.h> 59 #include <paths.h> 60 #include <signal.h> 61 #include <stddef.h> 62 #include <stdlib.h> 63 #include <string.h> 64 #include <time.h> 65 #include <unistd.h> 66 #include <utmp.h> 67 #include <devstat.h> 68 #include "systat.h" 69 #include "extern.h" 70 #include "devs.h" 71 72 static struct Info { 73 struct kinfo_cputime cp_time; 74 struct vmmeter Vmm; 75 struct vmtotal Total; 76 struct vmstats Vms; 77 struct nchstats nchstats; 78 long nchcount; 79 long nchpathcount; 80 long *intrcnt; 81 int bufspace; 82 int desiredvnodes; 83 long numvnodes; 84 long freevnodes; 85 long dirtybufspace; 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 *); 105 static void putint(int, 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 void putlongdoublez(long double, int, int, int, int, int); 109 static int ucount(void); 110 111 static int ncpu; 112 static int ut; 113 static char buf[26]; 114 static time_t t; 115 static double etime; 116 static int nintr; 117 static long *intrloc; 118 static char **intrname; 119 static int nextintsrow; 120 static int extended_vm_stats; 121 122 struct utmp utmp; 123 124 125 WINDOW * 126 openkre(void) 127 { 128 129 ut = open(_PATH_UTMP, O_RDONLY); 130 if (ut < 0) 131 error("No utmp"); 132 return (stdscr); 133 } 134 135 void 136 closekre(WINDOW *w) 137 { 138 139 (void) close(ut); 140 if (w == NULL) 141 return; 142 wclear(w); 143 wrefresh(w); 144 } 145 146 147 static struct nlist namelist[] = { 148 #define X_BUFFERSPACE 0 149 { .n_name = "_bufspace" }, 150 #define X_NCHSTATS 1 151 { .n_name = "_nchstats" }, 152 #define X_DESIREDVNODES 2 153 { .n_name = "_desiredvnodes" }, 154 #define X_NUMVNODES 3 155 { .n_name = "_numvnodes" }, 156 #define X_FREEVNODES 4 157 { .n_name = "_freevnodes" }, 158 #define X_NUMDIRTYBUFFERS 5 159 { .n_name = "_dirtybufspace" }, 160 { .n_name = "" }, 161 }; 162 163 /* 164 * These constants define where the major pieces are laid out 165 */ 166 #define STATROW 0 /* uses 1 row and 68 cols */ 167 #define STATCOL 2 168 #define MEMROW 2 /* uses 4 rows and 31 cols */ 169 #define MEMCOL 0 170 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 171 #define PAGECOL 46 172 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 173 #define INTSCOL 61 174 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 175 #define PROCSCOL 0 176 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 177 #define GENSTATCOL 16 178 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 179 #define VMSTATCOL 48 180 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 181 #define GRAPHCOL 0 182 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 183 #define NAMEICOL 0 184 #define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */ 185 #define DISKCOL 0 186 187 #define DRIVESPACE 7 /* max # for space */ 188 189 #define MAXDRIVES DRIVESPACE /* max # to display */ 190 191 int 192 initkre(void) 193 { 194 char *intrnamebuf; 195 size_t bytes; 196 size_t b; 197 size_t i; 198 199 if (namelist[0].n_type == 0) { 200 if (kvm_nlist(kd, namelist)) { 201 nlisterr(namelist); 202 return(0); 203 } 204 if (namelist[0].n_type == 0) { 205 error("No namelist"); 206 return(0); 207 } 208 } 209 210 if ((num_devices = getnumdevs()) < 0) { 211 warnx("%s", devstat_errbuf); 212 return(0); 213 } 214 215 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 216 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 217 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 218 bzero(cur.dinfo, sizeof(struct devinfo)); 219 bzero(last.dinfo, sizeof(struct devinfo)); 220 bzero(run.dinfo, sizeof(struct devinfo)); 221 222 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 223 return(0); 224 225 if (nintr == 0) { 226 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) { 227 intrnamebuf = malloc(bytes); 228 sysctlbyname("hw.intrnames", intrnamebuf, &bytes, 229 NULL, 0); 230 for (i = 0; i < bytes; ++i) { 231 if (intrnamebuf[i] == 0) 232 ++nintr; 233 } 234 intrname = malloc(nintr * sizeof(char *)); 235 intrloc = malloc(nintr * sizeof(*intrloc)); 236 nintr = 0; 237 for (b = i = 0; i < bytes; ++i) { 238 if (intrnamebuf[i] == 0) { 239 intrname[nintr] = intrnamebuf + b; 240 intrloc[nintr] = 0; 241 b = i + 1; 242 ++nintr; 243 } 244 } 245 } 246 nextintsrow = INTSROW + 2; 247 allocinfo(&s); 248 allocinfo(&s1); 249 allocinfo(&s2); 250 allocinfo(&z); 251 } 252 getinfo(&s2); 253 copyinfo(&s2, &s1); 254 return(1); 255 } 256 257 void 258 fetchkre(void) 259 { 260 time_t now; 261 struct tm *tp; 262 static int d_first = -1; 263 264 if (d_first < 0) 265 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 266 267 time(&now); 268 tp = localtime(&now); 269 (void) strftime(buf, sizeof(buf), 270 d_first ? "%e %b %R" : "%b %e %R", tp); 271 getinfo(&s); 272 } 273 274 void 275 labelkre(void) 276 { 277 int i, j; 278 279 clear(); 280 mvprintw(STATROW, STATCOL + 4, "users Load"); 281 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL"); 282 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 283 mvprintw(MEMROW + 2, MEMCOL, "Act"); 284 mvprintw(MEMROW + 3, MEMCOL, "All"); 285 286 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 287 288 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 289 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 290 mvprintw(PAGEROW + 2, PAGECOL, "count"); 291 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 292 293 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 294 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 295 296 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow"); 297 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire"); 298 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act"); 299 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact"); 300 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache"); 301 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free"); 302 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr"); 303 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr"); 304 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react"); 305 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake"); 306 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs"); 307 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn"); 308 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf"); 309 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf"); 310 311 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes"); 312 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes"); 313 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes"); 314 315 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 316 317 mvprintw(GRAPHROW, GRAPHCOL, 318 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 319 mvprintw(PROCSROW, PROCSCOL, " r p d s w"); 320 mvprintw(GRAPHROW + 1, GRAPHCOL, 321 "| | | | | | | | | | |"); 322 323 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components"); 324 mvprintw(DISKROW, DISKCOL, "Disks"); 325 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 326 mvprintw(DISKROW + 2, DISKCOL, "tpr/s"); 327 mvprintw(DISKROW + 3, DISKCOL, "MBr/s"); 328 mvprintw(DISKROW + 4, DISKCOL, "tpw/s"); 329 mvprintw(DISKROW + 5, DISKCOL, "MBw/s"); 330 mvprintw(DISKROW + 6, DISKCOL, "%% busy"); 331 /* 332 * For now, we don't support a fourth disk statistic. So there's 333 * no point in providing a label for it. If someone can think of a 334 * fourth useful disk statistic, there is room to add it. 335 */ 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, "ozfod"); 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 lt; \ 370 lt=s.fld; \ 371 s.fld-=s1.fld; \ 372 if(state==TIME) \ 373 s1.fld=lt; \ 374 lt=fld; \ 375 fld-=old_##fld; \ 376 if(state==TIME) \ 377 old_##fld=lt; \ 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, 'D') 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, lc; 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, 'D'); 453 } 454 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6, 'D'); 455 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 456 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits); 457 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 458 nchtotal.ncs_miss + nchtotal.ncs_neghits; 459 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss; 460 if (state == TIME) { 461 s1.nchcount = s.nchcount; 462 s1.nchpathcount = s.nchpathcount; 463 } 464 465 psiz = 0; 466 f2 = 0.0; 467 for (lc = 0; lc < CPUSTATES; lc++) { 468 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) + 469 cpuoffsets[lc]); 470 f1 = 100.0 * val / total_time; 471 f2 += f1; 472 l = (int) ((f2 + 1.0) / 2.0) - psiz; 473 if (f1 > 99.9) 474 f1 = 99.9; /* no room to display 100.0 */ 475 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 476 move(GRAPHROW + 2, psiz); 477 psiz += l; 478 while (l-- > 0) 479 addch(cpuchar[lc]); 480 } 481 482 putint(ucount(), STATROW, STATCOL, 3, 'D'); 483 putfloat(avenrun[0], STATROW, STATCOL + 18, 6, 2, 0); 484 putfloat(avenrun[1], STATROW, STATCOL + 25, 6, 2, 0); 485 putfloat(avenrun[2], STATROW, STATCOL + 32, 6, 2, 0); 486 mvaddstr(STATROW, STATCOL + 53, buf); 487 #define pgtokb(pg) ((pg) * vms.v_page_size / 1024) 488 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8, 'K'); 489 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8, 'K'); 490 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9, 'K'); 491 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9, 'K'); 492 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8, 'K'); 493 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8, 'K'); 494 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9, 'K'); 495 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9, 'K'); 496 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8, 'K'); 497 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 3, 'D'); 498 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 3, 3, 'D'); 499 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3, 'D'); 500 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3, 'D'); 501 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D'); 502 if (extended_vm_stats == 0) { 503 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5); 504 } 505 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6); 506 putint(pgtokb(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9, 'K'); 507 putint(pgtokb(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 9, 'K'); 508 putint(pgtokb(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9, 'K'); 509 putint(pgtokb(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9, 'K'); 510 putint(pgtokb(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 9, 'K'); 511 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 9); 512 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 9); 513 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9); 514 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9); 515 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9); 516 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 9); 517 518 if (extended_vm_stats) { 519 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 520 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 521 #define nz(x) ((x) ? (x) : 1) 522 putint((s.Vmm.v_zfod - s.Vmm.v_ozfod) * 100 / nz(s.Vmm.v_zfod), 523 VMSTATROW + 13, VMSTATCOL - 16, 9, 'D'); 524 #undef nz 525 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 526 } 527 528 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9, 'K'); 529 putint(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 9, 'K'); 530 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9, 'D'); 531 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9, 'D'); 532 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9, 'D'); 533 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5); 534 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5); 535 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 17, 5); 536 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 22, 5); 537 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5); 538 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5); 539 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5); 540 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5); 541 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL, 5); 542 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 5); 543 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 12, 5); 544 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 18, 5); 545 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 23, 5); 546 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 29, 5); 547 mvprintw(DISKROW, DISKCOL + 5, " "); 548 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 549 if (dev_select[i].selected) { 550 char tmpstr[80]; 551 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 552 dev_select[i].unit_number); 553 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc, 554 " %5.5s", tmpstr); 555 switch(state) { 556 case TIME: 557 dinfo(i, ++lc, &cur, &last); 558 break; 559 case RUN: 560 dinfo(i, ++lc, &cur, &run); 561 break; 562 case BOOT: 563 dinfo(i, ++lc, &cur, NULL); 564 break; 565 } 566 } 567 #define nz(x) ((x) ? (x) : 1) 568 putint(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 3, 9, 'D'); 569 570 putint(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 12, 7, 'D'); 571 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount), 572 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0); 573 574 putfloat((double)s.nchcount / nz(s.nchpathcount), 575 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1); 576 #undef nz 577 } 578 579 int 580 cmdkre(const char *cmd, char *args) 581 { 582 int retval; 583 584 if (prefix(cmd, "run")) { 585 retval = 1; 586 copyinfo(&s2, &s1); 587 switch (getdevs(&run)) { 588 case -1: 589 errx(1, "%s", devstat_errbuf); 590 break; 591 case 1: 592 num_devices = run.dinfo->numdevs; 593 generation = run.dinfo->generation; 594 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 595 if (retval == 2) 596 labelkre(); 597 break; 598 default: 599 break; 600 } 601 state = RUN; 602 return (retval); 603 } 604 if (prefix(cmd, "boot")) { 605 state = BOOT; 606 copyinfo(&z, &s1); 607 return (1); 608 } 609 if (prefix(cmd, "time")) { 610 state = TIME; 611 return (1); 612 } 613 if (prefix(cmd, "zero")) { 614 retval = 1; 615 if (state == RUN) { 616 getinfo(&s1); 617 switch (getdevs(&run)) { 618 case -1: 619 errx(1, "%s", devstat_errbuf); 620 break; 621 case 1: 622 num_devices = run.dinfo->numdevs; 623 generation = run.dinfo->generation; 624 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 625 if (retval == 2) 626 labelkre(); 627 break; 628 default: 629 break; 630 } 631 } 632 return (retval); 633 } 634 retval = dscmd(cmd, args, MAXDRIVES, &cur); 635 636 if (retval == 2) 637 labelkre(); 638 639 return(retval); 640 } 641 642 /* calculate number of users on the system */ 643 static int 644 ucount(void) 645 { 646 int nusers = 0; 647 648 if (ut < 0) 649 return (0); 650 while (read(ut, &utmp, sizeof(utmp))) 651 if (utmp.ut_name[0] != '\0') 652 nusers++; 653 654 lseek(ut, 0L, L_SET); 655 return (nusers); 656 } 657 658 static void 659 putint(int n, int l, int lc, int w, int type) 660 { 661 char b[128]; 662 int xtype; 663 664 move(l, lc); 665 if (n == 0) { 666 while (w-- > 0) 667 addch(' '); 668 return; 669 } 670 snprintf(b, sizeof(b), "%*d", w, n); 671 if (strlen(b) > (size_t)w) { 672 if (type == 'D') { 673 n /= 1000; 674 xtype = 'K'; 675 } else { 676 n /= 1024; 677 xtype = 'M'; 678 } 679 snprintf(b, sizeof(b), "%*d%c", w - 1, n, xtype); 680 if (strlen(b) > (size_t)w) { 681 if (type == 'D') { 682 n /= 1000; 683 xtype = 'M'; 684 } else { 685 n /= 1024; 686 xtype = 'G'; 687 } 688 snprintf(b, sizeof(b), "%*d%c", w - 1, n, xtype); 689 if (strlen(b) > (size_t)w) { 690 while (w-- > 0) 691 addch('*'); 692 return; 693 } 694 } 695 } 696 addstr(b); 697 } 698 699 static void 700 putfloat(double f, int l, int lc, int w, int d, int nz) 701 { 702 char b[128]; 703 704 move(l, lc); 705 if (nz && f == 0.0) { 706 while (--w >= 0) 707 addch(' '); 708 return; 709 } 710 snprintf(b, sizeof(b), "%*.*f", w, d, f); 711 if (strlen(b) > (size_t)w) 712 snprintf(b, sizeof(b), "%*.0f", w, f); 713 if (strlen(b) > (size_t)w) { 714 while (--w >= 0) 715 addch('*'); 716 return; 717 } 718 addstr(b); 719 } 720 721 static void 722 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 723 { 724 char b[128]; 725 726 move(l, lc); 727 if (nz && f == 0.0) { 728 while (--w >= 0) 729 addch(' '); 730 return; 731 } 732 sprintf(b, "%*.*Lf", w, d, f); 733 if (strlen(b) > (size_t)w) 734 sprintf(b, "%*.0Lf", w, f); 735 if (strlen(b) > (size_t)w) { 736 while (--w >= 0) 737 addch('*'); 738 return; 739 } 740 addstr(b); 741 } 742 743 static void 744 putlongdoublez(long double f, int l, int lc, int w, int d, int nz) 745 { 746 char b[128]; 747 748 if (f == 0.0) { 749 move(l, lc); 750 sprintf(b, "%*.*s", w, w, ""); 751 addstr(b); 752 } else { 753 putlongdouble(f, l, lc, w, d, nz); 754 } 755 } 756 757 static void 758 getinfo(struct Info *ls) 759 { 760 struct devinfo *tmp_dinfo; 761 struct nchstats *nch_tmp; 762 size_t size; 763 size_t vms_size = sizeof(ls->Vms); 764 size_t vmm_size = sizeof(ls->Vmm); 765 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU; 766 767 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) { 768 perror("sysctlbyname: vm.vmstats"); 769 exit(1); 770 } 771 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) { 772 perror("sysctlbyname: vm.vmstats"); 773 exit(1); 774 } 775 776 if (kinfo_get_sched_cputime(&ls->cp_time)) 777 err(1, "kinfo_get_sched_cputime"); 778 if (kinfo_get_sched_cputime(&cp_time)) 779 err(1, "kinfo_get_sched_cputime"); 780 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace)); 781 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes)); 782 NREAD(X_NUMVNODES, &ls->numvnodes, LONG); 783 NREAD(X_FREEVNODES, &ls->freevnodes, LONG); 784 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace)); 785 786 if (nintr) { 787 size = nintr * sizeof(ls->intrcnt[0]); 788 sysctlbyname("hw.intrcnt", ls->intrcnt, &size, NULL, 0); 789 } 790 size = sizeof(ls->Total); 791 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) { 792 error("Can't get kernel info: %s\n", strerror(errno)); 793 bzero(&ls->Total, sizeof(ls->Total)); 794 } 795 796 if ((nch_tmp = malloc(nch_size)) == NULL) { 797 perror("malloc"); 798 exit(1); 799 } else { 800 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) { 801 perror("sysctlbyname vfs.cache.nchstats"); 802 free(nch_tmp); 803 exit(1); 804 } else { 805 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) { 806 perror("realloc"); 807 exit(1); 808 } 809 } 810 } 811 812 if (kinfo_get_cpus(&ncpu)) 813 err(1, "kinfo_get_cpus"); 814 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu); 815 free(nch_tmp); 816 817 tmp_dinfo = last.dinfo; 818 last.dinfo = cur.dinfo; 819 cur.dinfo = tmp_dinfo; 820 821 last.busy_time = cur.busy_time; 822 switch (getdevs(&cur)) { 823 case -1: 824 errx(1, "%s", devstat_errbuf); 825 break; 826 case 1: 827 num_devices = cur.dinfo->numdevs; 828 generation = cur.dinfo->generation; 829 cmdkre("refresh", NULL); 830 break; 831 default: 832 break; 833 } 834 } 835 836 static void 837 allocinfo(struct Info *ls) 838 { 839 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 840 if (ls->intrcnt == NULL) 841 errx(2, "out of memory"); 842 } 843 844 static void 845 copyinfo(struct Info *from, struct Info *to) 846 { 847 long *intrcnt; 848 849 /* 850 * time, wds, seek, and xfer are malloc'd so we have to 851 * save the pointers before the structure copy and then 852 * copy by hand. 853 */ 854 intrcnt = to->intrcnt; 855 *to = *from; 856 857 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 858 } 859 860 static void 861 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then) 862 { 863 long double kb_per_transfer; 864 long double transfers_per_secondr; 865 long double transfers_per_secondw; 866 long double mb_per_secondr; 867 long double mb_per_secondw; 868 long double elapsed_time, device_busy; 869 int di; 870 871 di = dev_select[dn].position; 872 873 elapsed_time = compute_etime(now->busy_time, then ? 874 then->busy_time : 875 now->dinfo->devices[di].dev_creation_time); 876 877 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 878 then->dinfo->devices[di].busy_time : 879 now->dinfo->devices[di].dev_creation_time); 880 881 if (compute_stats( 882 &now->dinfo->devices[di], 883 (then ? &then->dinfo->devices[di] : NULL), 884 elapsed_time, 885 NULL, NULL, NULL, 886 &kb_per_transfer, 887 NULL, 888 NULL, 889 NULL, NULL) != 0) 890 errx(1, "%s", devstat_errbuf); 891 892 if (compute_stats_read( 893 &now->dinfo->devices[di], 894 (then ? &then->dinfo->devices[di] : NULL), 895 elapsed_time, 896 NULL, NULL, NULL, 897 NULL, 898 &transfers_per_secondr, 899 &mb_per_secondr, 900 NULL, NULL) != 0) 901 errx(1, "%s", devstat_errbuf); 902 903 if (compute_stats_write( 904 &now->dinfo->devices[di], 905 (then ? &then->dinfo->devices[di] : NULL), 906 elapsed_time, 907 NULL, NULL, NULL, 908 NULL, 909 &transfers_per_secondw, 910 &mb_per_secondw, 911 NULL, NULL) != 0) 912 errx(1, "%s", devstat_errbuf); 913 914 if ((device_busy == 0) && 915 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) { 916 /* the device has been 100% busy, fake it because 917 * as long as the device is 100% busy the busy_time 918 * field in the devstat struct is not updated */ 919 device_busy = elapsed_time; 920 } 921 if (device_busy > elapsed_time) { 922 /* this normally happens after one or more periods 923 * where the device has been 100% busy, correct it */ 924 device_busy = elapsed_time; 925 } 926 927 lc = DISKCOL + lc * 6; 928 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 929 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0); 930 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0); 931 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0); 932 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0); 933 putlongdouble(device_busy * 100 / elapsed_time, 934 DISKROW + 6, lc, 5, 0, 0); 935 } 936