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 /* 35 * Cursed vmstat -- from Robert Elz. 36 */ 37 38 #include <sys/user.h> 39 #include <sys/param.h> 40 #include <sys/stat.h> 41 #include <sys/time.h> 42 #include <sys/uio.h> 43 #include <sys/namei.h> 44 #include <sys/sysctl.h> 45 #include <sys/vmmeter.h> 46 47 #include <vm/vm_param.h> 48 49 #include <ctype.h> 50 #include <err.h> 51 #include <errno.h> 52 #include <kinfo.h> 53 #include <langinfo.h> 54 #include <nlist.h> 55 #include <paths.h> 56 #include <signal.h> 57 #include <stddef.h> 58 #include <stdlib.h> 59 #include <string.h> 60 #include <time.h> 61 #include <unistd.h> 62 #include "utmpentry.h" 63 #include <devstat.h> 64 #include "systat.h" 65 #include "extern.h" 66 #include "devs.h" 67 68 static struct Info { 69 struct kinfo_cputime cp_time; 70 struct vmmeter Vmm; 71 struct vmtotal Total; 72 struct vmstats Vms; 73 struct nchstats nchstats; 74 long nchcount; 75 long nchpathcount; 76 long *intrcnt; 77 long bufspace; 78 int desiredvnodes; 79 int numvnodes; 80 int freevnodes; 81 long dirtybufspace; 82 } s, s1, s2, z; 83 84 struct kinfo_cputime cp_time, old_cp_time; 85 struct statinfo cur, last, run; 86 87 #define vmm s.Vmm 88 #define vms s.Vms 89 #define oldvmm s1.Vmm 90 #define oldvms s1.Vms 91 #define total s.Total 92 #define nchtotal s.nchstats 93 #define oldnchtotal s1.nchstats 94 95 static enum state { BOOT, TIME, RUN } state = TIME; 96 97 static void allocinfo(struct Info *); 98 static void copyinfo(struct Info *, struct Info *); 99 static void dinfo(int, int, struct statinfo *, struct statinfo *); 100 static void getinfo(struct Info *); 101 static void put64(int64_t, int, int, int, int); 102 static void putfloat(double, int, int, int, int, int); 103 static void putlongdouble(long double, int, int, int, int, int); 104 static void putlongdoublez(long double, int, int, int, int, int); 105 static int ucount(void); 106 107 static int ncpu; 108 static char buf[26]; 109 static time_t t; 110 static double etime; 111 static int nintr; 112 static long *intrloc; 113 static char **intrname; 114 static int nextintsrow; 115 static int extended_vm_stats; 116 117 118 119 WINDOW * 120 openkre(void) 121 { 122 123 return (stdscr); 124 } 125 126 void 127 closekre(WINDOW *w) 128 { 129 130 if (w == NULL) 131 return; 132 wclear(w); 133 wrefresh(w); 134 } 135 136 137 static struct nlist namelist[] = { 138 #define X_BUFFERSPACE 0 139 { .n_name = "_bufspace" }, 140 #define X_NCHSTATS 1 141 { .n_name = "_nchstats" }, 142 #define X_DESIREDVNODES 2 143 { .n_name = "_desiredvnodes" }, 144 #define X_NUMVNODES 3 145 { .n_name = "_numvnodes" }, 146 #define X_FREEVNODES 4 147 { .n_name = "_freevnodes" }, 148 #define X_NUMDIRTYBUFFERS 5 149 { .n_name = "_dirtybufspace" }, 150 { .n_name = "" }, 151 }; 152 153 /* 154 * These constants define where the major pieces are laid out 155 */ 156 #define STATROW 0 /* uses 1 row and 68 cols */ 157 #define STATCOL 2 158 #define MEMROW 2 /* uses 4 rows and 31 cols */ 159 #define MEMCOL 0 160 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 161 #define PAGECOL 46 162 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 163 #define INTSCOL 61 164 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 165 #define PROCSCOL 0 166 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 167 #define GENSTATCOL 16 168 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 169 #define VMSTATCOL 50 170 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 171 #define GRAPHCOL 0 172 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 173 #define NAMEICOL 0 174 #define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */ 175 #define DISKCOL 0 176 177 #define DRIVESPACE 7 /* max # for space */ 178 179 #define MAXDRIVES DRIVESPACE /* max # to display */ 180 181 int 182 initkre(void) 183 { 184 char *intrnamebuf; 185 size_t bytes; 186 size_t b; 187 size_t i; 188 189 if (namelist[0].n_type == 0) { 190 if (kvm_nlist(kd, namelist)) { 191 nlisterr(namelist); 192 return(0); 193 } 194 if (namelist[0].n_type == 0) { 195 error("No namelist"); 196 return(0); 197 } 198 } 199 200 if ((num_devices = getnumdevs()) < 0) { 201 warnx("%s", devstat_errbuf); 202 return(0); 203 } 204 205 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 206 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 207 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 208 bzero(cur.dinfo, sizeof(struct devinfo)); 209 bzero(last.dinfo, sizeof(struct devinfo)); 210 bzero(run.dinfo, sizeof(struct devinfo)); 211 212 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 213 return(0); 214 215 if (nintr == 0) { 216 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) { 217 intrnamebuf = malloc(bytes); 218 sysctlbyname("hw.intrnames", intrnamebuf, &bytes, 219 NULL, 0); 220 for (i = 0; i < bytes; ++i) { 221 if (intrnamebuf[i] == 0) 222 ++nintr; 223 } 224 intrname = malloc(nintr * sizeof(char *)); 225 intrloc = malloc(nintr * sizeof(*intrloc)); 226 nintr = 0; 227 for (b = i = 0; i < bytes; ++i) { 228 if (intrnamebuf[i] == 0) { 229 intrname[nintr] = intrnamebuf + b; 230 intrloc[nintr] = 0; 231 b = i + 1; 232 ++nintr; 233 } 234 } 235 } 236 nextintsrow = INTSROW + 2; 237 allocinfo(&s); 238 allocinfo(&s1); 239 allocinfo(&s2); 240 allocinfo(&z); 241 } 242 getinfo(&s2); 243 copyinfo(&s2, &s1); 244 return(1); 245 } 246 247 void 248 fetchkre(void) 249 { 250 time_t now; 251 struct tm *tp; 252 static int d_first = -1; 253 254 if (d_first < 0) 255 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 256 257 time(&now); 258 tp = localtime(&now); 259 (void) strftime(buf, sizeof(buf), 260 d_first ? "%e %b %R" : "%b %e %R", tp); 261 getinfo(&s); 262 } 263 264 void 265 labelkre(void) 266 { 267 int i, j; 268 269 clear(); 270 mvprintw(STATROW, STATCOL + 4, "users Load"); 271 mvprintw(MEMROW, MEMCOL, "Mem: REAL VIRTUAL"); 272 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 273 mvprintw(MEMROW + 2, MEMCOL, "Act"); 274 mvprintw(MEMROW + 3, MEMCOL, "All"); 275 276 mvprintw(MEMROW + 1, MEMCOL + 36, "Free"); 277 278 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 279 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 280 mvprintw(PAGEROW + 2, PAGECOL, "count"); 281 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 282 283 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 284 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 285 286 mvprintw(VMSTATROW + 1, VMSTATCOL + 8, "cow"); 287 mvprintw(VMSTATROW + 2, VMSTATCOL + 8, "wire"); 288 mvprintw(VMSTATROW + 3, VMSTATCOL + 8, "act"); 289 mvprintw(VMSTATROW + 4, VMSTATCOL + 8, "inact"); 290 mvprintw(VMSTATROW + 5, VMSTATCOL + 8, "cache"); 291 mvprintw(VMSTATROW + 6, VMSTATCOL + 8, "free"); 292 mvprintw(VMSTATROW + 7, VMSTATCOL + 8, "daefr"); 293 mvprintw(VMSTATROW + 8, VMSTATCOL + 8, "prcfr"); 294 mvprintw(VMSTATROW + 9, VMSTATCOL + 8, "react"); 295 mvprintw(VMSTATROW + 10, VMSTATCOL + 8, "pdwake"); 296 mvprintw(VMSTATROW + 11, VMSTATCOL + 8, "pdpgs"); 297 mvprintw(VMSTATROW + 12, VMSTATCOL + 8, "intrn"); 298 mvprintw(VMSTATROW + 13, VMSTATCOL + 8, "buf"); 299 mvprintw(VMSTATROW + 14, VMSTATCOL + 8, "dirtybuf"); 300 301 mvprintw(VMSTATROW + 15, VMSTATCOL + 8, "desiredvnodes"); 302 mvprintw(VMSTATROW + 16, VMSTATCOL + 8, "numvnodes"); 303 mvprintw(VMSTATROW + 17, VMSTATCOL + 8, "freevnodes"); 304 305 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 306 307 mvprintw(GRAPHROW, GRAPHCOL, 308 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 309 mvprintw(PROCSROW, PROCSCOL, " r p d s w"); 310 mvprintw(GRAPHROW + 1, GRAPHCOL, 311 "| | | | | | | | | | |"); 312 313 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components"); 314 mvprintw(DISKROW, DISKCOL, "Disks"); 315 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 316 mvprintw(DISKROW + 2, DISKCOL, "tpr/s"); 317 mvprintw(DISKROW + 3, DISKCOL, "MBr/s"); 318 mvprintw(DISKROW + 4, DISKCOL, "tpw/s"); 319 mvprintw(DISKROW + 5, DISKCOL, "MBw/s"); 320 mvprintw(DISKROW + 6, DISKCOL, "%% busy"); 321 /* 322 * For now, we don't support a fourth disk statistic. So there's 323 * no point in providing a label for it. If someone can think of a 324 * fourth useful disk statistic, there is room to add it. 325 */ 326 j = 0; 327 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 328 if (dev_select[i].selected) { 329 char tmpstr[80]; 330 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 331 dev_select[i].unit_number); 332 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 333 " %5.5s", tmpstr); 334 j++; 335 } 336 337 if (j <= 4) { 338 /* 339 * room for extended VM stats 340 */ 341 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 342 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod"); 343 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%sloz"); 344 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 345 extended_vm_stats = 1; 346 } else { 347 extended_vm_stats = 0; 348 mvprintw(VMSTATROW + 0, VMSTATCOL + 8, "zfod"); 349 } 350 351 for (i = 0; i < nintr; i++) { 352 if (intrloc[i] == 0) 353 continue; 354 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 355 } 356 } 357 358 #define CP_UPDATE(fld) do { \ 359 uint64_t lt; \ 360 lt=s.fld; \ 361 s.fld-=s1.fld; \ 362 if(state==TIME) \ 363 s1.fld=lt; \ 364 lt=fld; \ 365 fld-=old_##fld; \ 366 if(state==TIME) \ 367 old_##fld=lt; \ 368 etime += s.fld; \ 369 } while(0) 370 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 371 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 372 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 373 if(state == TIME) s1.nchstats.fld = t;} 374 #define PUTRATE(fld, l, c, w) \ 375 Y(fld); \ 376 put64((int64_t)((float)s.fld/etime + 0.5), l, c, w, 'D') 377 #define MAXFAIL 5 378 379 #define CPUSTATES 5 380 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' }; 381 382 static const size_t cpuoffsets[] = { 383 offsetof(struct kinfo_cputime, cp_sys), 384 offsetof(struct kinfo_cputime, cp_intr), 385 offsetof(struct kinfo_cputime, cp_user), 386 offsetof(struct kinfo_cputime, cp_nice), 387 offsetof(struct kinfo_cputime, cp_idle) 388 }; 389 390 void 391 showkre(void) 392 { 393 float f1, f2; 394 int psiz; 395 int i, lc; 396 long inttotal; 397 long l; 398 static int failcnt = 0; 399 double total_time; 400 401 etime = 0; 402 CP_UPDATE(cp_time.cp_user); 403 CP_UPDATE(cp_time.cp_nice); 404 CP_UPDATE(cp_time.cp_sys); 405 CP_UPDATE(cp_time.cp_intr); 406 CP_UPDATE(cp_time.cp_idle); 407 408 total_time = etime; 409 if (total_time == 0.0) 410 total_time = 1.0; 411 412 if (etime < 100000.0) { /* < 100ms ignore this trash */ 413 if (failcnt++ >= MAXFAIL) { 414 clear(); 415 mvprintw(2, 10, "The alternate system clock has died!"); 416 mvprintw(3, 10, "Reverting to ``pigs'' display."); 417 move(CMDLINE, 0); 418 refresh(); 419 failcnt = 0; 420 sleep(5); 421 command("pigs"); 422 } 423 return; 424 } 425 failcnt = 0; 426 etime /= 1000000.0; 427 etime /= ncpu; 428 if (etime == 0) 429 etime = 1; 430 inttotal = 0; 431 for (i = 0; i < nintr; i++) { 432 if (s.intrcnt[i] == 0) 433 continue; 434 if (intrloc[i] == 0) { 435 if (nextintsrow == LINES) 436 continue; 437 intrloc[i] = nextintsrow++; 438 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 439 intrname[i]); 440 } 441 X(intrcnt); 442 l = (long)((float)s.intrcnt[i]/etime + 0.5); 443 inttotal += l; 444 put64(l, intrloc[i], INTSCOL + 2, 6, 'D'); 445 } 446 put64(inttotal, INTSROW + 1, INTSCOL + 2, 6, 'D'); 447 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 448 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits); 449 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 450 nchtotal.ncs_miss + nchtotal.ncs_neghits; 451 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss; 452 if (state == TIME) { 453 s1.nchcount = s.nchcount; 454 s1.nchpathcount = s.nchpathcount; 455 } 456 457 psiz = 0; 458 f2 = 0.0; 459 for (lc = 0; lc < CPUSTATES; lc++) { 460 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) + 461 cpuoffsets[lc]); 462 f1 = 100.0 * val / total_time; 463 f2 += f1; 464 l = (int) ((f2 + 1.0) / 2.0) - psiz; 465 if (f1 > 99.9) 466 f1 = 99.9; /* no room to display 100.0 */ 467 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 468 move(GRAPHROW + 2, psiz); 469 psiz += l; 470 while (l-- > 0) 471 addch(cpuchar[lc]); 472 } 473 474 put64(ucount(), STATROW, STATCOL, 3, 'D'); 475 putfloat(avenrun[0], STATROW, STATCOL + 18, 6, 2, 0); 476 putfloat(avenrun[1], STATROW, STATCOL + 25, 6, 2, 0); 477 putfloat(avenrun[2], STATROW, STATCOL + 32, 6, 2, 0); 478 mvaddstr(STATROW, STATCOL + 53, buf); 479 #define pgtokb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / 1024) 480 #define pgtomb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / (1024 * 1024)) 481 #define pgtob(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size) 482 put64(pgtob(total.t_arm), MEMROW + 2, MEMCOL + 4, 6, 0); 483 put64(pgtob(total.t_armshr), MEMROW + 2, MEMCOL + 11, 6, 0); 484 put64(pgtob(total.t_avm), MEMROW + 2, MEMCOL + 19, 6, 0); 485 put64(pgtob(total.t_avmshr), MEMROW + 2, MEMCOL + 26, 6, 0); 486 put64(pgtob(total.t_rm), MEMROW + 3, MEMCOL + 4, 6, 0); 487 put64(pgtob(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 6, 0); 488 put64(pgtob(total.t_vm), MEMROW + 3, MEMCOL + 19, 6, 0); 489 put64(pgtob(total.t_vmshr), MEMROW + 3, MEMCOL + 26, 6, 0); 490 put64(pgtob(total.t_free), MEMROW + 2, MEMCOL + 34, 6, 0); 491 put64(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 3, 'D'); 492 put64(total.t_pw, PROCSROW + 1, PROCSCOL + 3, 3, 'D'); 493 put64(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3, 'D'); 494 put64(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3, 'D'); 495 put64(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D'); 496 if (extended_vm_stats == 0) { 497 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL, 7); 498 } 499 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL, 7); 500 put64(pgtob(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 7, 0); 501 put64(pgtob(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 7, 0); 502 put64(pgtob(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 7, 0); 503 put64(pgtob(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 7, 0); 504 put64(pgtob(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 7, 0); 505 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 7); 506 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 7); 507 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 7); 508 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 7); 509 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 7); 510 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 7); 511 512 if (extended_vm_stats) { 513 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 514 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 515 #define nz(x) ((x) ? (x) : 1) 516 put64((s.Vmm.v_zfod - s.Vmm.v_ozfod) * 100 / nz(s.Vmm.v_zfod), 517 VMSTATROW + 13, VMSTATCOL - 16, 9, 'D'); 518 #undef nz 519 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 520 } 521 522 put64(s.bufspace, VMSTATROW + 13, VMSTATCOL, 7, 0); 523 put64(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 7, 'k'); 524 put64(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 7, 'D'); 525 put64(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 7, 'D'); 526 put64(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 7, 'D'); 527 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 6, 4); 528 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 11, 4); 529 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 18, 4); 530 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 23, 4); 531 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 4); 532 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 11, 4); 533 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 18, 4); 534 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 23, 4); 535 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL + 1, 4); 536 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 4); 537 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 11, 4); 538 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 16, 4); 539 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 21, 4); 540 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 26, 4); 541 mvprintw(DISKROW, DISKCOL + 5, " "); 542 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 543 if (dev_select[i].selected) { 544 char tmpstr[80]; 545 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 546 dev_select[i].unit_number); 547 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc, 548 " %5.5s", tmpstr); 549 switch(state) { 550 case TIME: 551 dinfo(i, ++lc, &cur, &last); 552 break; 553 case RUN: 554 dinfo(i, ++lc, &cur, &run); 555 break; 556 case BOOT: 557 dinfo(i, ++lc, &cur, NULL); 558 break; 559 } 560 } 561 #define nz(x) ((x) ? (x) : 1) 562 put64(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 6, 6, 'D'); 563 put64(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 13, 6, 'D'); 564 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount), 565 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0); 566 567 putfloat((double)s.nchcount / nz(s.nchpathcount), 568 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1); 569 #undef nz 570 } 571 572 int 573 cmdkre(const char *cmd, char *args) 574 { 575 int retval; 576 577 if (prefix(cmd, "run")) { 578 retval = 1; 579 copyinfo(&s2, &s1); 580 switch (getdevs(&run)) { 581 case -1: 582 errx(1, "%s", devstat_errbuf); 583 break; 584 case 1: 585 num_devices = run.dinfo->numdevs; 586 generation = run.dinfo->generation; 587 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 588 if (retval == 2) 589 labelkre(); 590 break; 591 default: 592 break; 593 } 594 state = RUN; 595 return (retval); 596 } 597 if (prefix(cmd, "boot")) { 598 state = BOOT; 599 copyinfo(&z, &s1); 600 return (1); 601 } 602 if (prefix(cmd, "time")) { 603 state = TIME; 604 return (1); 605 } 606 if (prefix(cmd, "zero")) { 607 retval = 1; 608 if (state == RUN) { 609 getinfo(&s1); 610 switch (getdevs(&run)) { 611 case -1: 612 errx(1, "%s", devstat_errbuf); 613 break; 614 case 1: 615 num_devices = run.dinfo->numdevs; 616 generation = run.dinfo->generation; 617 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 618 if (retval == 2) 619 labelkre(); 620 break; 621 default: 622 break; 623 } 624 } 625 return (retval); 626 } 627 retval = dscmd(cmd, args, MAXDRIVES, &cur); 628 629 if (retval == 2) 630 labelkre(); 631 632 return(retval); 633 } 634 635 /* calculate number of users on the system */ 636 static int 637 ucount(void) 638 { 639 struct utmpentry *ep; 640 int nusers = 0; 641 642 getutentries(NULL, &ep); 643 for (; ep; ep = ep->next) 644 nusers++; 645 646 return (nusers); 647 } 648 649 static void 650 put64(intmax_t n, int l, int lc, int w, int type) 651 { 652 char b[128]; 653 int isneg; 654 int i; 655 int64_t d; 656 int64_t u; 657 658 move(l, lc); 659 if (n == 0) { 660 while (w-- > 0) 661 addch(' '); 662 return; 663 } 664 if (type == 0 || type == 'D') 665 snprintf(b, sizeof(b), "%*jd", w, n); 666 else 667 snprintf(b, sizeof(b), "%*jd%c", w - 1, n, type); 668 if (strlen(b) <= (size_t)w) { 669 addstr(b); 670 return; 671 } 672 673 if (type == 'D') 674 u = 1000; 675 else 676 u = 1024; 677 if (n < 0) { 678 n = -n; 679 isneg = 1; 680 } else { 681 isneg = 0; 682 } 683 684 for (d = 1; n / d >= 1000; d *= u) { 685 switch(type) { 686 case 'D': 687 case 0: 688 type = 'k'; 689 break; 690 case 'k': 691 type = 'M'; 692 break; 693 case 'M': 694 type = 'G'; 695 break; 696 case 'G': 697 type = 'T'; 698 break; 699 case 'T': 700 type = 'X'; 701 break; 702 default: 703 type = '?'; 704 break; 705 } 706 } 707 708 i = w - isneg; 709 if (n / d >= 100) 710 i -= 3; 711 else if (n / d >= 10) 712 i -= 2; 713 else 714 i -= 1; 715 if (i > 4) { 716 snprintf(b + 64, sizeof(b) - 64, "%jd.%03jd%c", 717 n / d, n / (d / 1000) % 1000, type); 718 } else if (i > 3) { 719 snprintf(b + 64, sizeof(b) - 64, "%jd.%02jd%c", 720 n / d, n / (d / 100) % 100, type); 721 } else if (i > 2) { 722 snprintf(b + 64, sizeof(b) - 64, "%jd.%01jd%c", 723 n / d, n / (d / 10) % 10, type); 724 } else { 725 snprintf(b + 64, sizeof(b) - 64, "%jd%c", 726 n / d, type); 727 } 728 w -= strlen(b + 64); 729 i = 64; 730 if (isneg) { 731 b[--i] = '-'; 732 --w; 733 } 734 while (w > 0) { 735 --w; 736 b[--i] = ' '; 737 } 738 addstr(b + i); 739 } 740 741 static void 742 putfloat(double f, int l, int lc, int w, int d, int nz) 743 { 744 char b[128]; 745 746 move(l, lc); 747 if (nz && f == 0.0) { 748 while (--w >= 0) 749 addch(' '); 750 return; 751 } 752 snprintf(b, sizeof(b), "%*.*f", w, d, f); 753 if (strlen(b) > (size_t)w) 754 snprintf(b, sizeof(b), "%*.0f", w, f); 755 if (strlen(b) > (size_t)w) { 756 while (--w >= 0) 757 addch('*'); 758 return; 759 } 760 addstr(b); 761 } 762 763 static void 764 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 765 { 766 char b[128]; 767 768 move(l, lc); 769 if (nz && f == 0.0) { 770 while (--w >= 0) 771 addch(' '); 772 return; 773 } 774 sprintf(b, "%*.*Lf", w, d, f); 775 if (strlen(b) > (size_t)w) 776 sprintf(b, "%*.0Lf", w, f); 777 if (strlen(b) > (size_t)w) { 778 while (--w >= 0) 779 addch('*'); 780 return; 781 } 782 addstr(b); 783 } 784 785 static void 786 putlongdoublez(long double f, int l, int lc, int w, int d, int nz) 787 { 788 char b[128]; 789 790 if (f == 0.0) { 791 move(l, lc); 792 sprintf(b, "%*.*s", w, w, ""); 793 addstr(b); 794 } else { 795 putlongdouble(f, l, lc, w, d, nz); 796 } 797 } 798 799 static void 800 getinfo(struct Info *ls) 801 { 802 struct devinfo *tmp_dinfo; 803 struct nchstats *nch_tmp; 804 size_t size; 805 size_t vms_size = sizeof(ls->Vms); 806 size_t vmm_size = sizeof(ls->Vmm); 807 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU; 808 809 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) { 810 perror("sysctlbyname: vm.vmstats"); 811 exit(1); 812 } 813 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) { 814 perror("sysctlbyname: vm.vmstats"); 815 exit(1); 816 } 817 818 if (kinfo_get_sched_cputime(&ls->cp_time)) 819 err(1, "kinfo_get_sched_cputime"); 820 if (kinfo_get_sched_cputime(&cp_time)) 821 err(1, "kinfo_get_sched_cputime"); 822 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace)); 823 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes)); 824 NREAD(X_NUMVNODES, &ls->numvnodes, sizeof(ls->numvnodes)); 825 NREAD(X_FREEVNODES, &ls->freevnodes, sizeof(ls->freevnodes)); 826 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace)); 827 828 if (nintr) { 829 size = nintr * sizeof(ls->intrcnt[0]); 830 sysctlbyname("hw.intrcnt_all", ls->intrcnt, &size, NULL, 0); 831 } 832 size = sizeof(ls->Total); 833 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) { 834 error("Can't get kernel info: %s\n", strerror(errno)); 835 bzero(&ls->Total, sizeof(ls->Total)); 836 } 837 838 if ((nch_tmp = malloc(nch_size)) == NULL) { 839 perror("malloc"); 840 exit(1); 841 } else { 842 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) { 843 perror("sysctlbyname vfs.cache.nchstats"); 844 free(nch_tmp); 845 exit(1); 846 } else { 847 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) { 848 perror("realloc"); 849 exit(1); 850 } 851 } 852 } 853 854 if (kinfo_get_cpus(&ncpu)) 855 err(1, "kinfo_get_cpus"); 856 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu); 857 free(nch_tmp); 858 859 tmp_dinfo = last.dinfo; 860 last.dinfo = cur.dinfo; 861 cur.dinfo = tmp_dinfo; 862 863 last.busy_time = cur.busy_time; 864 switch (getdevs(&cur)) { 865 case -1: 866 errx(1, "%s", devstat_errbuf); 867 break; 868 case 1: 869 num_devices = cur.dinfo->numdevs; 870 generation = cur.dinfo->generation; 871 cmdkre("refresh", NULL); 872 break; 873 default: 874 break; 875 } 876 } 877 878 static void 879 allocinfo(struct Info *ls) 880 { 881 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 882 if (ls->intrcnt == NULL) 883 errx(2, "out of memory"); 884 } 885 886 static void 887 copyinfo(struct Info *from, struct Info *to) 888 { 889 long *intrcnt; 890 891 /* 892 * time, wds, seek, and xfer are malloc'd so we have to 893 * save the pointers before the structure copy and then 894 * copy by hand. 895 */ 896 intrcnt = to->intrcnt; 897 *to = *from; 898 899 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 900 } 901 902 static void 903 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then) 904 { 905 long double kb_per_transfer; 906 long double transfers_per_secondr; 907 long double transfers_per_secondw; 908 long double mb_per_secondr; 909 long double mb_per_secondw; 910 long double elapsed_time, device_busy; 911 int di; 912 913 di = dev_select[dn].position; 914 915 elapsed_time = compute_etime(now->busy_time, then ? 916 then->busy_time : 917 now->dinfo->devices[di].dev_creation_time); 918 919 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 920 then->dinfo->devices[di].busy_time : 921 now->dinfo->devices[di].dev_creation_time); 922 923 if (compute_stats( 924 &now->dinfo->devices[di], 925 (then ? &then->dinfo->devices[di] : NULL), 926 elapsed_time, 927 NULL, NULL, NULL, 928 &kb_per_transfer, 929 NULL, 930 NULL, 931 NULL, NULL) != 0) 932 errx(1, "%s", devstat_errbuf); 933 934 if (compute_stats_read( 935 &now->dinfo->devices[di], 936 (then ? &then->dinfo->devices[di] : NULL), 937 elapsed_time, 938 NULL, NULL, NULL, 939 NULL, 940 &transfers_per_secondr, 941 &mb_per_secondr, 942 NULL, NULL) != 0) 943 errx(1, "%s", devstat_errbuf); 944 945 if (compute_stats_write( 946 &now->dinfo->devices[di], 947 (then ? &then->dinfo->devices[di] : NULL), 948 elapsed_time, 949 NULL, NULL, NULL, 950 NULL, 951 &transfers_per_secondw, 952 &mb_per_secondw, 953 NULL, NULL) != 0) 954 errx(1, "%s", devstat_errbuf); 955 956 #if 0 957 /* 958 * Remove this hack, it no longer works properly and will 959 * report 100% busy in situations where the device is able 960 * to respond to the requests faster than the busy counter's 961 * granularity. 962 */ 963 if ((device_busy == 0) && 964 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) { 965 /* the device has been 100% busy, fake it because 966 * as long as the device is 100% busy the busy_time 967 * field in the devstat struct is not updated */ 968 device_busy = elapsed_time; 969 } 970 #endif 971 if (device_busy > elapsed_time) { 972 /* this normally happens after one or more periods 973 * where the device has been 100% busy, correct it */ 974 device_busy = elapsed_time; 975 } 976 977 lc = DISKCOL + lc * 6; 978 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 979 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0); 980 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0); 981 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0); 982 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0); 983 putlongdouble(device_busy * 100 / elapsed_time, 984 DISKROW + 6, lc, 5, 0, 0); 985 } 986