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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Cursed vmstat -- from Robert Elz. 32 */ 33 34 #include <sys/user.h> 35 #include <sys/param.h> 36 #include <sys/stat.h> 37 #include <sys/time.h> 38 #include <sys/uio.h> 39 #include <sys/namei.h> 40 #include <sys/sysctl.h> 41 #include <sys/vmmeter.h> 42 43 #include <vm/vm_param.h> 44 45 #include <ctype.h> 46 #include <err.h> 47 #include <errno.h> 48 #include <kinfo.h> 49 #include <langinfo.h> 50 #include <nlist.h> 51 #include <paths.h> 52 #include <signal.h> 53 #include <stddef.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <time.h> 57 #include <unistd.h> 58 #include "utmpentry.h" 59 #include <devstat.h> 60 #include "systat.h" 61 #include "extern.h" 62 #include "devs.h" 63 64 static struct Info { 65 struct kinfo_cputime cp_time; 66 struct vmmeter Vmm; 67 struct vmtotal Total; 68 struct vmstats Vms; 69 struct nchstats nchstats; 70 long nchcount; 71 long nchpathcount; 72 long *intrcnt; 73 long bufspace; 74 int desiredvnodes; 75 int numvnodes; 76 int freevnodes; 77 long dirtybufspace; 78 } s, s1, s2, z; 79 80 struct kinfo_cputime cp_time, old_cp_time; 81 struct statinfo cur, last, run; 82 83 #define vmm s.Vmm 84 #define vms s.Vms 85 #define oldvmm s1.Vmm 86 #define oldvms s1.Vms 87 #define total s.Total 88 #define nchtotal s.nchstats 89 #define oldnchtotal s1.nchstats 90 91 static enum state { BOOT, TIME, RUN } state = TIME; 92 93 static void allocinfo(struct Info *); 94 static void copyinfo(struct Info *, struct Info *); 95 static void dinfo(int, int, struct statinfo *, struct statinfo *); 96 static void getinfo(struct Info *); 97 static void put64(int64_t, int, int, int, int); 98 static void putfloat(double, int, int, int, int, int); 99 static void putlongdouble(long double, int, int, int, int, int); 100 static void putlongdoublez(long double, int, int, int, int, int); 101 static int ucount(void); 102 103 static int ncpu; 104 static char buf[26]; 105 static time_t t; 106 static double etime; 107 static int nintr; 108 static long *intrloc; 109 static char **intrname; 110 static int nextintsrow; 111 static int extended_vm_stats; 112 113 114 115 WINDOW * 116 openkre(void) 117 { 118 119 return (stdscr); 120 } 121 122 void 123 closekre(WINDOW *w) 124 { 125 126 if (w == NULL) 127 return; 128 wclear(w); 129 wrefresh(w); 130 } 131 132 133 static struct nlist namelist[] = { 134 #define X_BUFFERSPACE 0 135 { .n_name = "_bufspace" }, 136 #define X_NCHSTATS 1 137 { .n_name = "_nchstats" }, 138 #define X_DESIREDVNODES 2 139 { .n_name = "_desiredvnodes" }, 140 #define X_NUMVNODES 3 141 { .n_name = "_numvnodes" }, 142 #define X_FREEVNODES 4 143 { .n_name = "_freevnodes" }, 144 #define X_NUMDIRTYBUFFERS 5 145 { .n_name = "_dirtybufspace" }, 146 { .n_name = "" }, 147 }; 148 149 /* 150 * These constants define where the major pieces are laid out 151 */ 152 #define STATROW 0 /* uses 1 row and 68 cols */ 153 #define STATCOL 2 154 #define MEMROW 2 /* uses 4 rows and 31 cols */ 155 #define MEMCOL 0 156 #define PAGEROW 2 /* uses 4 rows and 26 cols */ 157 #define PAGECOL 46 158 #define INTSROW 6 /* uses all rows to bottom and 17 cols */ 159 #define INTSCOL 61 160 #define PROCSROW 7 /* uses 2 rows and 20 cols */ 161 #define PROCSCOL 0 162 #define GENSTATROW 7 /* uses 2 rows and 30 cols */ 163 #define GENSTATCOL 16 164 #define VMSTATROW 6 /* uses 17 rows and 12 cols */ 165 #define VMSTATCOL 50 166 #define GRAPHROW 10 /* uses 3 rows and 51 cols */ 167 #define GRAPHCOL 0 168 #define NAMEIROW 14 /* uses 3 rows and 38 cols */ 169 #define NAMEICOL 0 170 #define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */ 171 #define DISKCOL 0 172 173 #define DRIVESPACE 7 /* max # for space */ 174 175 #define MAXDRIVES DRIVESPACE /* max # to display */ 176 177 int 178 initkre(void) 179 { 180 char *intrnamebuf; 181 size_t bytes; 182 size_t b; 183 size_t i; 184 185 if (namelist[0].n_type == 0) { 186 if (kvm_nlist(kd, namelist)) { 187 nlisterr(namelist); 188 return(0); 189 } 190 if (namelist[0].n_type == 0) { 191 error("No namelist"); 192 return(0); 193 } 194 } 195 196 if ((num_devices = getnumdevs()) < 0) { 197 warnx("%s", devstat_errbuf); 198 return(0); 199 } 200 201 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 202 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 203 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo)); 204 bzero(cur.dinfo, sizeof(struct devinfo)); 205 bzero(last.dinfo, sizeof(struct devinfo)); 206 bzero(run.dinfo, sizeof(struct devinfo)); 207 208 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 209 return(0); 210 211 if (nintr == 0) { 212 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) { 213 intrnamebuf = malloc(bytes); 214 sysctlbyname("hw.intrnames", intrnamebuf, &bytes, 215 NULL, 0); 216 for (i = 0; i < bytes; ++i) { 217 if (intrnamebuf[i] == 0) 218 ++nintr; 219 } 220 intrname = malloc(nintr * sizeof(char *)); 221 intrloc = malloc(nintr * sizeof(*intrloc)); 222 nintr = 0; 223 for (b = i = 0; i < bytes; ++i) { 224 if (intrnamebuf[i] == 0) { 225 intrname[nintr] = intrnamebuf + b; 226 intrloc[nintr] = 0; 227 b = i + 1; 228 ++nintr; 229 } 230 } 231 } 232 nextintsrow = INTSROW + 2; 233 allocinfo(&s); 234 allocinfo(&s1); 235 allocinfo(&s2); 236 allocinfo(&z); 237 } 238 getinfo(&s2); 239 copyinfo(&s2, &s1); 240 return(1); 241 } 242 243 void 244 fetchkre(void) 245 { 246 time_t now; 247 struct tm *tp; 248 static int d_first = -1; 249 250 if (d_first < 0) 251 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 252 253 time(&now); 254 tp = localtime(&now); 255 (void) strftime(buf, sizeof(buf), 256 d_first ? "%e %b %R" : "%b %e %R", tp); 257 getinfo(&s); 258 } 259 260 void 261 labelkre(void) 262 { 263 int i, j; 264 265 clear(); 266 mvprintw(STATROW, STATCOL + 4, "users Load"); 267 mvprintw(MEMROW, MEMCOL, "Mem: REAL VIRTUAL"); 268 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 269 mvprintw(MEMROW + 2, MEMCOL, "Act"); 270 mvprintw(MEMROW + 3, MEMCOL, "All"); 271 272 mvprintw(MEMROW + 1, MEMCOL + 36, "Free"); 273 274 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER "); 275 mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); 276 mvprintw(PAGEROW + 2, PAGECOL, "count"); 277 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 278 279 mvprintw(INTSROW, INTSCOL + 3, " Interrupts"); 280 mvprintw(INTSROW + 1, INTSCOL + 9, "total"); 281 282 mvprintw(VMSTATROW + 1, VMSTATCOL + 8, "cow"); 283 mvprintw(VMSTATROW + 2, VMSTATCOL + 8, "wire"); 284 mvprintw(VMSTATROW + 3, VMSTATCOL + 8, "act"); 285 mvprintw(VMSTATROW + 4, VMSTATCOL + 8, "inact"); 286 mvprintw(VMSTATROW + 5, VMSTATCOL + 8, "cache"); 287 mvprintw(VMSTATROW + 6, VMSTATCOL + 8, "free"); 288 mvprintw(VMSTATROW + 7, VMSTATCOL + 8, "daefr"); 289 mvprintw(VMSTATROW + 8, VMSTATCOL + 8, "prcfr"); 290 mvprintw(VMSTATROW + 9, VMSTATCOL + 8, "react"); 291 mvprintw(VMSTATROW + 10, VMSTATCOL + 8, "pdwake"); 292 mvprintw(VMSTATROW + 11, VMSTATCOL + 8, "pdpgs"); 293 mvprintw(VMSTATROW + 12, VMSTATCOL + 8, "intrn"); 294 mvprintw(VMSTATROW + 13, VMSTATCOL + 8, "buf"); 295 mvprintw(VMSTATROW + 14, VMSTATCOL + 8, "dirtybuf"); 296 297 mvprintw(VMSTATROW + 15, VMSTATCOL + 8, "desiredvnodes"); 298 mvprintw(VMSTATROW + 16, VMSTATCOL + 8, "numvnodes"); 299 mvprintw(VMSTATROW + 17, VMSTATCOL + 8, "freevnodes"); 300 301 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 302 303 mvprintw(GRAPHROW, GRAPHCOL, 304 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 305 mvprintw(PROCSROW, PROCSCOL, " r p d s w"); 306 mvprintw(GRAPHROW + 1, GRAPHCOL, 307 "| | | | | | | | | | |"); 308 309 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components"); 310 mvprintw(DISKROW, DISKCOL, "Disks"); 311 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 312 mvprintw(DISKROW + 2, DISKCOL, "tpr/s"); 313 mvprintw(DISKROW + 3, DISKCOL, "MBr/s"); 314 mvprintw(DISKROW + 4, DISKCOL, "tpw/s"); 315 mvprintw(DISKROW + 5, DISKCOL, "MBw/s"); 316 mvprintw(DISKROW + 6, DISKCOL, "%% busy"); 317 /* 318 * For now, we don't support a fourth disk statistic. So there's 319 * no point in providing a label for it. If someone can think of a 320 * fourth useful disk statistic, there is room to add it. 321 */ 322 j = 0; 323 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 324 if (dev_select[i].selected) { 325 char tmpstr[80]; 326 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 327 dev_select[i].unit_number); 328 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 329 " %5.5s", tmpstr); 330 j++; 331 } 332 333 if (j <= 4) { 334 /* 335 * room for extended VM stats 336 */ 337 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod"); 338 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod"); 339 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%sloz"); 340 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree"); 341 extended_vm_stats = 1; 342 } else { 343 extended_vm_stats = 0; 344 mvprintw(VMSTATROW + 0, VMSTATCOL + 8, "zfod"); 345 } 346 347 for (i = 0; i < nintr; i++) { 348 if (intrloc[i] == 0) 349 continue; 350 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]); 351 } 352 } 353 354 #define CP_UPDATE(fld) do { \ 355 uint64_t lt; \ 356 lt=s.fld; \ 357 s.fld-=s1.fld; \ 358 if(state==TIME) \ 359 s1.fld=lt; \ 360 lt=fld; \ 361 fld-=old_##fld; \ 362 if(state==TIME) \ 363 old_##fld=lt; \ 364 etime += s.fld; \ 365 } while(0) 366 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 367 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 368 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 369 if(state == TIME) s1.nchstats.fld = t;} 370 #define PUTRATE(fld, l, c, w) \ 371 Y(fld); \ 372 put64((int64_t)((float)s.fld/etime + 0.5), l, c, w, 'D') 373 #define MAXFAIL 5 374 375 #define CPUSTATES 5 376 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' }; 377 378 static const size_t cpuoffsets[] = { 379 offsetof(struct kinfo_cputime, cp_sys), 380 offsetof(struct kinfo_cputime, cp_intr), 381 offsetof(struct kinfo_cputime, cp_user), 382 offsetof(struct kinfo_cputime, cp_nice), 383 offsetof(struct kinfo_cputime, cp_idle) 384 }; 385 386 void 387 showkre(void) 388 { 389 float f1, f2; 390 int psiz; 391 int i, lc; 392 long inttotal; 393 long l; 394 static int failcnt = 0; 395 double total_time; 396 397 etime = 0; 398 CP_UPDATE(cp_time.cp_user); 399 CP_UPDATE(cp_time.cp_nice); 400 CP_UPDATE(cp_time.cp_sys); 401 CP_UPDATE(cp_time.cp_intr); 402 CP_UPDATE(cp_time.cp_idle); 403 404 total_time = etime; 405 if (total_time == 0.0) 406 total_time = 1.0; 407 408 if (etime < 100000.0) { /* < 100ms ignore this trash */ 409 if (failcnt++ >= MAXFAIL) { 410 clear(); 411 mvprintw(2, 10, "The alternate system clock has died!"); 412 mvprintw(3, 10, "Reverting to ``pigs'' display."); 413 move(CMDLINE, 0); 414 refresh(); 415 failcnt = 0; 416 sleep(5); 417 command("pigs"); 418 } 419 return; 420 } 421 failcnt = 0; 422 etime /= 1000000.0; 423 etime /= ncpu; 424 if (etime == 0) 425 etime = 1; 426 inttotal = 0; 427 for (i = 0; i < nintr; i++) { 428 if (s.intrcnt[i] == 0) 429 continue; 430 if (intrloc[i] == 0) { 431 if (nextintsrow == LINES) 432 continue; 433 intrloc[i] = nextintsrow++; 434 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", 435 intrname[i]); 436 } 437 X(intrcnt); 438 l = (long)((float)s.intrcnt[i]/etime + 0.5); 439 inttotal += l; 440 put64(l, intrloc[i], INTSCOL + 2, 6, 'D'); 441 } 442 put64(inttotal, INTSROW + 1, INTSCOL + 2, 6, 'D'); 443 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 444 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits); 445 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 446 nchtotal.ncs_miss + nchtotal.ncs_neghits; 447 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss; 448 if (state == TIME) { 449 s1.nchcount = s.nchcount; 450 s1.nchpathcount = s.nchpathcount; 451 } 452 453 psiz = 0; 454 f2 = 0.0; 455 for (lc = 0; lc < CPUSTATES; lc++) { 456 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) + 457 cpuoffsets[lc]); 458 f1 = 100.0 * val / total_time; 459 f2 += f1; 460 l = (int) ((f2 + 1.0) / 2.0) - psiz; 461 if (f1 > 99.9) 462 f1 = 99.9; /* no room to display 100.0 */ 463 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 464 move(GRAPHROW + 2, psiz); 465 psiz += l; 466 while (l-- > 0) 467 addch(cpuchar[lc]); 468 } 469 470 put64(ucount(), STATROW, STATCOL, 3, 'D'); 471 putfloat(avenrun[0], STATROW, STATCOL + 18, 6, 2, 0); 472 putfloat(avenrun[1], STATROW, STATCOL + 25, 6, 2, 0); 473 putfloat(avenrun[2], STATROW, STATCOL + 32, 6, 2, 0); 474 mvaddstr(STATROW, STATCOL + 53, buf); 475 #define pgtokb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / 1024) 476 #define pgtomb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / (1024 * 1024)) 477 #define pgtob(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size) 478 put64(pgtob(total.t_arm), MEMROW + 2, MEMCOL + 4, 6, 0); 479 put64(pgtob(total.t_armshr), MEMROW + 2, MEMCOL + 11, 6, 0); 480 put64(pgtob(total.t_avm), MEMROW + 2, MEMCOL + 19, 6, 0); 481 put64(pgtob(total.t_avmshr), MEMROW + 2, MEMCOL + 26, 6, 0); 482 put64(pgtob(total.t_rm), MEMROW + 3, MEMCOL + 4, 6, 0); 483 put64(pgtob(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 6, 0); 484 put64(pgtob(total.t_vm), MEMROW + 3, MEMCOL + 19, 6, 0); 485 put64(pgtob(total.t_vmshr), MEMROW + 3, MEMCOL + 26, 6, 0); 486 put64(pgtob(total.t_free), MEMROW + 2, MEMCOL + 34, 6, 0); 487 put64(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 3, 'D'); 488 put64(total.t_pw, PROCSROW + 1, PROCSCOL + 3, 3, 'D'); 489 put64(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3, 'D'); 490 put64(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3, 'D'); 491 put64(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D'); 492 if (extended_vm_stats == 0) { 493 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL, 7); 494 } 495 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL, 7); 496 put64(pgtob(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 7, 0); 497 put64(pgtob(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 7, 0); 498 put64(pgtob(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 7, 0); 499 put64(pgtob(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 7, 0); 500 put64(pgtob(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 7, 0); 501 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 7); 502 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 7); 503 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 7); 504 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 7); 505 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 7); 506 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 7); 507 508 if (extended_vm_stats) { 509 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9); 510 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9); 511 #define nz(x) ((x) ? (x) : 1) 512 put64((s.Vmm.v_zfod - s.Vmm.v_ozfod) * 100 / nz(s.Vmm.v_zfod), 513 VMSTATROW + 13, VMSTATCOL - 16, 9, 'D'); 514 #undef nz 515 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9); 516 } 517 518 put64(s.bufspace, VMSTATROW + 13, VMSTATCOL, 7, 0); 519 put64(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 7, 'k'); 520 put64(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 7, 'D'); 521 put64(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 7, 'D'); 522 put64(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 7, 'D'); 523 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 6, 4); 524 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 11, 4); 525 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 18, 4); 526 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 23, 4); 527 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 4); 528 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 11, 4); 529 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 18, 4); 530 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 23, 4); 531 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL + 1, 4); 532 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 4); 533 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 11, 4); 534 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 16, 4); 535 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 21, 4); 536 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 26, 4); 537 mvprintw(DISKROW, DISKCOL + 5, " "); 538 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 539 if (dev_select[i].selected) { 540 char tmpstr[80]; 541 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 542 dev_select[i].unit_number); 543 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc, 544 " %5.5s", tmpstr); 545 switch(state) { 546 case TIME: 547 dinfo(i, ++lc, &cur, &last); 548 break; 549 case RUN: 550 dinfo(i, ++lc, &cur, &run); 551 break; 552 case BOOT: 553 dinfo(i, ++lc, &cur, NULL); 554 break; 555 } 556 } 557 #define nz(x) ((x) ? (x) : 1) 558 put64(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 6, 6, 'D'); 559 put64(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 13, 6, 'D'); 560 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount), 561 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0); 562 563 putfloat((double)s.nchcount / nz(s.nchpathcount), 564 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1); 565 #undef nz 566 } 567 568 int 569 cmdkre(const char *cmd, char *args) 570 { 571 int retval; 572 573 if (prefix(cmd, "run")) { 574 retval = 1; 575 copyinfo(&s2, &s1); 576 switch (getdevs(&run)) { 577 case -1: 578 errx(1, "%s", devstat_errbuf); 579 break; 580 case 1: 581 num_devices = run.dinfo->numdevs; 582 generation = run.dinfo->generation; 583 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 584 if (retval == 2) 585 labelkre(); 586 break; 587 default: 588 break; 589 } 590 state = RUN; 591 return (retval); 592 } 593 if (prefix(cmd, "boot")) { 594 state = BOOT; 595 copyinfo(&z, &s1); 596 return (1); 597 } 598 if (prefix(cmd, "time")) { 599 state = TIME; 600 return (1); 601 } 602 if (prefix(cmd, "zero")) { 603 retval = 1; 604 if (state == RUN) { 605 getinfo(&s1); 606 switch (getdevs(&run)) { 607 case -1: 608 errx(1, "%s", devstat_errbuf); 609 break; 610 case 1: 611 num_devices = run.dinfo->numdevs; 612 generation = run.dinfo->generation; 613 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 614 if (retval == 2) 615 labelkre(); 616 break; 617 default: 618 break; 619 } 620 } 621 return (retval); 622 } 623 retval = dscmd(cmd, args, MAXDRIVES, &cur); 624 625 if (retval == 2) 626 labelkre(); 627 628 return(retval); 629 } 630 631 /* calculate number of users on the system */ 632 static int 633 ucount(void) 634 { 635 struct utmpentry *ep; 636 int nusers = 0; 637 638 getutentries(NULL, &ep); 639 for (; ep; ep = ep->next) 640 nusers++; 641 642 return (nusers); 643 } 644 645 static void 646 put64(intmax_t n, int l, int lc, int w, int type) 647 { 648 char b[128]; 649 int isneg; 650 int i; 651 int64_t d; 652 int64_t u; 653 654 move(l, lc); 655 if (n == 0) { 656 while (w-- > 0) 657 addch(' '); 658 return; 659 } 660 if (type == 0 || type == 'D') 661 snprintf(b, sizeof(b), "%*jd", w, n); 662 else 663 snprintf(b, sizeof(b), "%*jd%c", w - 1, n, type); 664 if (strlen(b) <= (size_t)w) { 665 addstr(b); 666 return; 667 } 668 669 if (type == 'D') 670 u = 1000; 671 else 672 u = 1024; 673 if (n < 0) { 674 n = -n; 675 isneg = 1; 676 } else { 677 isneg = 0; 678 } 679 680 for (d = 1; n / d >= 1000; d *= u) { 681 switch(type) { 682 case 'D': 683 case 0: 684 type = 'k'; 685 break; 686 case 'k': 687 type = 'M'; 688 break; 689 case 'M': 690 type = 'G'; 691 break; 692 case 'G': 693 type = 'T'; 694 break; 695 case 'T': 696 type = 'X'; 697 break; 698 default: 699 type = '?'; 700 break; 701 } 702 } 703 704 i = w - isneg; 705 if (n / d >= 100) 706 i -= 3; 707 else if (n / d >= 10) 708 i -= 2; 709 else 710 i -= 1; 711 if (i > 4) { 712 snprintf(b + 64, sizeof(b) - 64, "%jd.%03jd%c", 713 n / d, n / (d / 1000) % 1000, type); 714 } else if (i > 3) { 715 snprintf(b + 64, sizeof(b) - 64, "%jd.%02jd%c", 716 n / d, n / (d / 100) % 100, type); 717 } else if (i > 2) { 718 snprintf(b + 64, sizeof(b) - 64, "%jd.%01jd%c", 719 n / d, n / (d / 10) % 10, type); 720 } else { 721 snprintf(b + 64, sizeof(b) - 64, "%jd%c", 722 n / d, type); 723 } 724 w -= strlen(b + 64); 725 i = 64; 726 if (isneg) { 727 b[--i] = '-'; 728 --w; 729 } 730 while (w > 0) { 731 --w; 732 b[--i] = ' '; 733 } 734 addstr(b + i); 735 } 736 737 static void 738 putfloat(double f, int l, int lc, int w, int d, int nz) 739 { 740 char b[128]; 741 742 move(l, lc); 743 if (nz && f == 0.0) { 744 while (--w >= 0) 745 addch(' '); 746 return; 747 } 748 snprintf(b, sizeof(b), "%*.*f", w, d, f); 749 if (strlen(b) > (size_t)w) 750 snprintf(b, sizeof(b), "%*.0f", w, f); 751 if (strlen(b) > (size_t)w) { 752 while (--w >= 0) 753 addch('*'); 754 return; 755 } 756 addstr(b); 757 } 758 759 static void 760 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 761 { 762 char b[128]; 763 764 move(l, lc); 765 if (nz && f == 0.0) { 766 while (--w >= 0) 767 addch(' '); 768 return; 769 } 770 sprintf(b, "%*.*Lf", w, d, f); 771 if (strlen(b) > (size_t)w) 772 sprintf(b, "%*.0Lf", w, f); 773 if (strlen(b) > (size_t)w) { 774 while (--w >= 0) 775 addch('*'); 776 return; 777 } 778 addstr(b); 779 } 780 781 static void 782 putlongdoublez(long double f, int l, int lc, int w, int d, int nz) 783 { 784 char b[128]; 785 786 if (f == 0.0) { 787 move(l, lc); 788 sprintf(b, "%*.*s", w, w, ""); 789 addstr(b); 790 } else { 791 putlongdouble(f, l, lc, w, d, nz); 792 } 793 } 794 795 static void 796 getinfo(struct Info *ls) 797 { 798 struct devinfo *tmp_dinfo; 799 struct nchstats *nch_tmp; 800 size_t size; 801 size_t vms_size = sizeof(ls->Vms); 802 size_t vmm_size = sizeof(ls->Vmm); 803 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU; 804 805 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) { 806 perror("sysctlbyname: vm.vmstats"); 807 exit(1); 808 } 809 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) { 810 perror("sysctlbyname: vm.vmstats"); 811 exit(1); 812 } 813 814 if (kinfo_get_sched_cputime(&ls->cp_time)) 815 err(1, "kinfo_get_sched_cputime"); 816 if (kinfo_get_sched_cputime(&cp_time)) 817 err(1, "kinfo_get_sched_cputime"); 818 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace)); 819 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes)); 820 NREAD(X_NUMVNODES, &ls->numvnodes, sizeof(ls->numvnodes)); 821 NREAD(X_FREEVNODES, &ls->freevnodes, sizeof(ls->freevnodes)); 822 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace)); 823 824 if (nintr) { 825 size = nintr * sizeof(ls->intrcnt[0]); 826 sysctlbyname("hw.intrcnt_all", ls->intrcnt, &size, NULL, 0); 827 } 828 size = sizeof(ls->Total); 829 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) { 830 error("Can't get kernel info: %s\n", strerror(errno)); 831 bzero(&ls->Total, sizeof(ls->Total)); 832 } 833 834 if ((nch_tmp = malloc(nch_size)) == NULL) { 835 perror("malloc"); 836 exit(1); 837 } else { 838 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) { 839 perror("sysctlbyname vfs.cache.nchstats"); 840 free(nch_tmp); 841 exit(1); 842 } else { 843 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) { 844 perror("realloc"); 845 exit(1); 846 } 847 } 848 } 849 850 if (kinfo_get_cpus(&ncpu)) 851 err(1, "kinfo_get_cpus"); 852 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu); 853 free(nch_tmp); 854 855 tmp_dinfo = last.dinfo; 856 last.dinfo = cur.dinfo; 857 cur.dinfo = tmp_dinfo; 858 859 last.busy_time = cur.busy_time; 860 switch (getdevs(&cur)) { 861 case -1: 862 errx(1, "%s", devstat_errbuf); 863 break; 864 case 1: 865 num_devices = cur.dinfo->numdevs; 866 generation = cur.dinfo->generation; 867 cmdkre("refresh", NULL); 868 break; 869 default: 870 break; 871 } 872 } 873 874 static void 875 allocinfo(struct Info *ls) 876 { 877 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 878 if (ls->intrcnt == NULL) 879 errx(2, "out of memory"); 880 } 881 882 static void 883 copyinfo(struct Info *from, struct Info *to) 884 { 885 long *intrcnt; 886 887 /* 888 * time, wds, seek, and xfer are malloc'd so we have to 889 * save the pointers before the structure copy and then 890 * copy by hand. 891 */ 892 intrcnt = to->intrcnt; 893 *to = *from; 894 895 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 896 } 897 898 static void 899 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then) 900 { 901 long double kb_per_transfer; 902 long double transfers_per_secondr; 903 long double transfers_per_secondw; 904 long double mb_per_secondr; 905 long double mb_per_secondw; 906 long double elapsed_time, device_busy; 907 int di; 908 909 di = dev_select[dn].position; 910 911 elapsed_time = compute_etime(now->busy_time, then ? 912 then->busy_time : 913 now->dinfo->devices[di].dev_creation_time); 914 915 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 916 then->dinfo->devices[di].busy_time : 917 now->dinfo->devices[di].dev_creation_time); 918 919 if (compute_stats( 920 &now->dinfo->devices[di], 921 (then ? &then->dinfo->devices[di] : NULL), 922 elapsed_time, 923 NULL, NULL, NULL, 924 &kb_per_transfer, 925 NULL, 926 NULL, 927 NULL, NULL) != 0) 928 errx(1, "%s", devstat_errbuf); 929 930 if (compute_stats_read( 931 &now->dinfo->devices[di], 932 (then ? &then->dinfo->devices[di] : NULL), 933 elapsed_time, 934 NULL, NULL, NULL, 935 NULL, 936 &transfers_per_secondr, 937 &mb_per_secondr, 938 NULL, NULL) != 0) 939 errx(1, "%s", devstat_errbuf); 940 941 if (compute_stats_write( 942 &now->dinfo->devices[di], 943 (then ? &then->dinfo->devices[di] : NULL), 944 elapsed_time, 945 NULL, NULL, NULL, 946 NULL, 947 &transfers_per_secondw, 948 &mb_per_secondw, 949 NULL, NULL) != 0) 950 errx(1, "%s", devstat_errbuf); 951 952 #if 0 953 /* 954 * Remove this hack, it no longer works properly and will 955 * report 100% busy in situations where the device is able 956 * to respond to the requests faster than the busy counter's 957 * granularity. 958 */ 959 if ((device_busy == 0) && 960 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) { 961 /* the device has been 100% busy, fake it because 962 * as long as the device is 100% busy the busy_time 963 * field in the devstat struct is not updated */ 964 device_busy = elapsed_time; 965 } 966 #endif 967 if (device_busy > elapsed_time) { 968 /* this normally happens after one or more periods 969 * where the device has been 100% busy, correct it */ 970 device_busy = elapsed_time; 971 } 972 973 lc = DISKCOL + lc * 6; 974 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 975 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0); 976 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0); 977 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0); 978 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0); 979 putlongdouble(device_busy * 100 / elapsed_time, 980 DISKROW + 6, lc, 5, 0, 0); 981 } 982