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 int bufspace; 78 int desiredvnodes; 79 int numvnodes; 80 int freevnodes; 81 int 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 + 3, 9, 'D'); 563 564 put64(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 12, 7, 'D'); 565 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount), 566 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0); 567 568 putfloat((double)s.nchcount / nz(s.nchpathcount), 569 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1); 570 #undef nz 571 } 572 573 int 574 cmdkre(const char *cmd, char *args) 575 { 576 int retval; 577 578 if (prefix(cmd, "run")) { 579 retval = 1; 580 copyinfo(&s2, &s1); 581 switch (getdevs(&run)) { 582 case -1: 583 errx(1, "%s", devstat_errbuf); 584 break; 585 case 1: 586 num_devices = run.dinfo->numdevs; 587 generation = run.dinfo->generation; 588 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 589 if (retval == 2) 590 labelkre(); 591 break; 592 default: 593 break; 594 } 595 state = RUN; 596 return (retval); 597 } 598 if (prefix(cmd, "boot")) { 599 state = BOOT; 600 copyinfo(&z, &s1); 601 return (1); 602 } 603 if (prefix(cmd, "time")) { 604 state = TIME; 605 return (1); 606 } 607 if (prefix(cmd, "zero")) { 608 retval = 1; 609 if (state == RUN) { 610 getinfo(&s1); 611 switch (getdevs(&run)) { 612 case -1: 613 errx(1, "%s", devstat_errbuf); 614 break; 615 case 1: 616 num_devices = run.dinfo->numdevs; 617 generation = run.dinfo->generation; 618 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 619 if (retval == 2) 620 labelkre(); 621 break; 622 default: 623 break; 624 } 625 } 626 return (retval); 627 } 628 retval = dscmd(cmd, args, MAXDRIVES, &cur); 629 630 if (retval == 2) 631 labelkre(); 632 633 return(retval); 634 } 635 636 /* calculate number of users on the system */ 637 static int 638 ucount(void) 639 { 640 struct utmpentry *ep; 641 int nusers = 0; 642 643 getutentries(NULL, &ep); 644 for (; ep; ep = ep->next) 645 nusers++; 646 647 return (nusers); 648 } 649 650 static void 651 put64(intmax_t n, int l, int lc, int w, int type) 652 { 653 char b[128]; 654 int isneg; 655 int i; 656 int64_t d; 657 int64_t u; 658 659 move(l, lc); 660 if (n == 0) { 661 while (w-- > 0) 662 addch(' '); 663 return; 664 } 665 if (type == 0 || type == 'D') 666 snprintf(b, sizeof(b), "%*jd", w, n); 667 else 668 snprintf(b, sizeof(b), "%*jd%c", w - 1, n, type); 669 if (strlen(b) <= (size_t)w) { 670 addstr(b); 671 return; 672 } 673 674 if (type == 'D') 675 u = 1000; 676 else 677 u = 1024; 678 if (n < 0) { 679 n = -n; 680 isneg = 1; 681 } else { 682 isneg = 0; 683 } 684 685 for (d = 1; n / d >= 1000; d *= u) { 686 switch(type) { 687 case 'D': 688 case 0: 689 type = 'k'; 690 break; 691 case 'k': 692 type = 'M'; 693 break; 694 case 'M': 695 type = 'G'; 696 break; 697 case 'G': 698 type = 'T'; 699 break; 700 case 'T': 701 type = 'X'; 702 break; 703 default: 704 type = '?'; 705 break; 706 } 707 } 708 709 i = w - isneg; 710 if (n / d >= 100) 711 i -= 3; 712 else if (n / d >= 10) 713 i -= 2; 714 else 715 i -= 1; 716 if (i > 4) { 717 snprintf(b + 64, sizeof(b) - 64, "%jd.%03jd%c", 718 n / d, n / (d / 1000) % 1000, type); 719 } else if (i > 3) { 720 snprintf(b + 64, sizeof(b) - 64, "%jd.%02jd%c", 721 n / d, n / (d / 100) % 100, type); 722 } else if (i > 2) { 723 snprintf(b + 64, sizeof(b) - 64, "%jd.%01jd%c", 724 n / d, n / (d / 10) % 10, type); 725 } else { 726 snprintf(b + 64, sizeof(b) - 64, "%jd%c", 727 n / d, type); 728 } 729 w -= strlen(b + 64); 730 i = 64; 731 if (isneg) { 732 b[--i] = '-'; 733 --w; 734 } 735 while (w > 0) { 736 --w; 737 b[--i] = ' '; 738 } 739 addstr(b + i); 740 } 741 742 static void 743 putfloat(double f, int l, int lc, int w, int d, int nz) 744 { 745 char b[128]; 746 747 move(l, lc); 748 if (nz && f == 0.0) { 749 while (--w >= 0) 750 addch(' '); 751 return; 752 } 753 snprintf(b, sizeof(b), "%*.*f", w, d, f); 754 if (strlen(b) > (size_t)w) 755 snprintf(b, sizeof(b), "%*.0f", w, f); 756 if (strlen(b) > (size_t)w) { 757 while (--w >= 0) 758 addch('*'); 759 return; 760 } 761 addstr(b); 762 } 763 764 static void 765 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 766 { 767 char b[128]; 768 769 move(l, lc); 770 if (nz && f == 0.0) { 771 while (--w >= 0) 772 addch(' '); 773 return; 774 } 775 sprintf(b, "%*.*Lf", w, d, f); 776 if (strlen(b) > (size_t)w) 777 sprintf(b, "%*.0Lf", w, f); 778 if (strlen(b) > (size_t)w) { 779 while (--w >= 0) 780 addch('*'); 781 return; 782 } 783 addstr(b); 784 } 785 786 static void 787 putlongdoublez(long double f, int l, int lc, int w, int d, int nz) 788 { 789 char b[128]; 790 791 if (f == 0.0) { 792 move(l, lc); 793 sprintf(b, "%*.*s", w, w, ""); 794 addstr(b); 795 } else { 796 putlongdouble(f, l, lc, w, d, nz); 797 } 798 } 799 800 static void 801 getinfo(struct Info *ls) 802 { 803 struct devinfo *tmp_dinfo; 804 struct nchstats *nch_tmp; 805 size_t size; 806 size_t vms_size = sizeof(ls->Vms); 807 size_t vmm_size = sizeof(ls->Vmm); 808 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU; 809 810 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) { 811 perror("sysctlbyname: vm.vmstats"); 812 exit(1); 813 } 814 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) { 815 perror("sysctlbyname: vm.vmstats"); 816 exit(1); 817 } 818 819 if (kinfo_get_sched_cputime(&ls->cp_time)) 820 err(1, "kinfo_get_sched_cputime"); 821 if (kinfo_get_sched_cputime(&cp_time)) 822 err(1, "kinfo_get_sched_cputime"); 823 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace)); 824 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes)); 825 NREAD(X_NUMVNODES, &ls->numvnodes, sizeof(ls->numvnodes)); 826 NREAD(X_FREEVNODES, &ls->freevnodes, sizeof(ls->freevnodes)); 827 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace)); 828 829 if (nintr) { 830 size = nintr * sizeof(ls->intrcnt[0]); 831 sysctlbyname("hw.intrcnt_all", ls->intrcnt, &size, NULL, 0); 832 } 833 size = sizeof(ls->Total); 834 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) { 835 error("Can't get kernel info: %s\n", strerror(errno)); 836 bzero(&ls->Total, sizeof(ls->Total)); 837 } 838 839 if ((nch_tmp = malloc(nch_size)) == NULL) { 840 perror("malloc"); 841 exit(1); 842 } else { 843 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) { 844 perror("sysctlbyname vfs.cache.nchstats"); 845 free(nch_tmp); 846 exit(1); 847 } else { 848 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) { 849 perror("realloc"); 850 exit(1); 851 } 852 } 853 } 854 855 if (kinfo_get_cpus(&ncpu)) 856 err(1, "kinfo_get_cpus"); 857 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu); 858 free(nch_tmp); 859 860 tmp_dinfo = last.dinfo; 861 last.dinfo = cur.dinfo; 862 cur.dinfo = tmp_dinfo; 863 864 last.busy_time = cur.busy_time; 865 switch (getdevs(&cur)) { 866 case -1: 867 errx(1, "%s", devstat_errbuf); 868 break; 869 case 1: 870 num_devices = cur.dinfo->numdevs; 871 generation = cur.dinfo->generation; 872 cmdkre("refresh", NULL); 873 break; 874 default: 875 break; 876 } 877 } 878 879 static void 880 allocinfo(struct Info *ls) 881 { 882 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 883 if (ls->intrcnt == NULL) 884 errx(2, "out of memory"); 885 } 886 887 static void 888 copyinfo(struct Info *from, struct Info *to) 889 { 890 long *intrcnt; 891 892 /* 893 * time, wds, seek, and xfer are malloc'd so we have to 894 * save the pointers before the structure copy and then 895 * copy by hand. 896 */ 897 intrcnt = to->intrcnt; 898 *to = *from; 899 900 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 901 } 902 903 static void 904 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then) 905 { 906 long double kb_per_transfer; 907 long double transfers_per_secondr; 908 long double transfers_per_secondw; 909 long double mb_per_secondr; 910 long double mb_per_secondw; 911 long double elapsed_time, device_busy; 912 int di; 913 914 di = dev_select[dn].position; 915 916 elapsed_time = compute_etime(now->busy_time, then ? 917 then->busy_time : 918 now->dinfo->devices[di].dev_creation_time); 919 920 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ? 921 then->dinfo->devices[di].busy_time : 922 now->dinfo->devices[di].dev_creation_time); 923 924 if (compute_stats( 925 &now->dinfo->devices[di], 926 (then ? &then->dinfo->devices[di] : NULL), 927 elapsed_time, 928 NULL, NULL, NULL, 929 &kb_per_transfer, 930 NULL, 931 NULL, 932 NULL, NULL) != 0) 933 errx(1, "%s", devstat_errbuf); 934 935 if (compute_stats_read( 936 &now->dinfo->devices[di], 937 (then ? &then->dinfo->devices[di] : NULL), 938 elapsed_time, 939 NULL, NULL, NULL, 940 NULL, 941 &transfers_per_secondr, 942 &mb_per_secondr, 943 NULL, NULL) != 0) 944 errx(1, "%s", devstat_errbuf); 945 946 if (compute_stats_write( 947 &now->dinfo->devices[di], 948 (then ? &then->dinfo->devices[di] : NULL), 949 elapsed_time, 950 NULL, NULL, NULL, 951 NULL, 952 &transfers_per_secondw, 953 &mb_per_secondw, 954 NULL, NULL) != 0) 955 errx(1, "%s", devstat_errbuf); 956 957 #if 0 958 /* 959 * Remove this hack, it no longer works properly and will 960 * report 100% busy in situations where the device is able 961 * to respond to the requests faster than the busy counter's 962 * granularity. 963 */ 964 if ((device_busy == 0) && 965 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) { 966 /* the device has been 100% busy, fake it because 967 * as long as the device is 100% busy the busy_time 968 * field in the devstat struct is not updated */ 969 device_busy = elapsed_time; 970 } 971 #endif 972 if (device_busy > elapsed_time) { 973 /* this normally happens after one or more periods 974 * where the device has been 100% busy, correct it */ 975 device_busy = elapsed_time; 976 } 977 978 lc = DISKCOL + lc * 6; 979 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 980 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0); 981 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0); 982 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0); 983 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0); 984 putlongdouble(device_busy * 100 / elapsed_time, 985 DISKROW + 6, lc, 5, 0, 0); 986 } 987