1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1983, 1989, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 33 #ifdef lint 34 static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 35 #endif 36 37 /* 38 * Cursed vmstat -- from Robert Elz. 39 */ 40 41 #include <sys/param.h> 42 #include <sys/stat.h> 43 #include <sys/time.h> 44 #include <sys/proc.h> 45 #include <sys/uio.h> 46 #include <sys/namei.h> 47 #include <sys/resource.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 <langinfo.h> 57 #include <libutil.h> 58 #include <nlist.h> 59 #include <paths.h> 60 #include <signal.h> 61 #include <stdlib.h> 62 #include <string.h> 63 #include <time.h> 64 #include <unistd.h> 65 #include <utmpx.h> 66 #include "systat.h" 67 #include "extern.h" 68 #include "devs.h" 69 70 static struct Info { 71 long time[CPUSTATES]; 72 uint64_t v_swtch; /* context switches */ 73 uint64_t v_trap; /* calls to trap */ 74 uint64_t v_syscall; /* calls to syscall() */ 75 uint64_t v_intr; /* device interrupts */ 76 uint64_t v_soft; /* software interrupts */ 77 /* 78 * Virtual memory activity. 79 */ 80 uint64_t v_vm_faults; /* number of address memory faults */ 81 uint64_t v_io_faults; /* page faults requiring I/O */ 82 uint64_t v_cow_faults; /* number of copy-on-writes */ 83 uint64_t v_zfod; /* pages zero filled on demand */ 84 uint64_t v_ozfod; /* optimized zero fill pages */ 85 uint64_t v_swapin; /* swap pager pageins */ 86 uint64_t v_swapout; /* swap pager pageouts */ 87 uint64_t v_swappgsin; /* swap pager pages paged in */ 88 uint64_t v_swappgsout; /* swap pager pages paged out */ 89 uint64_t v_vnodein; /* vnode pager pageins */ 90 uint64_t v_vnodeout; /* vnode pager pageouts */ 91 uint64_t v_vnodepgsin; /* vnode_pager pages paged in */ 92 uint64_t v_vnodepgsout; /* vnode pager pages paged out */ 93 uint64_t v_intrans; /* intransit blocking page faults */ 94 uint64_t v_reactivated; /* number of pages reactivated by pagedaemon */ 95 uint64_t v_pdwakeups; /* number of times daemon has awaken from sleep */ 96 uint64_t v_pdpages; /* number of pages analyzed by daemon */ 97 98 uint64_t v_dfree; /* pages freed by daemon */ 99 uint64_t v_pfree; /* pages freed by exiting processes */ 100 uint64_t v_tfree; /* total pages freed */ 101 /* 102 * Distribution of page usages. 103 */ 104 u_int v_free_count; /* number of pages free */ 105 u_int v_wire_count; /* number of pages wired down */ 106 u_int v_active_count; /* number of pages active */ 107 u_int v_inactive_count; /* number of pages inactive */ 108 u_int v_laundry_count; /* number of pages in laundry queue */ 109 u_long v_kmem_map_size; /* Current kmem allocation size */ 110 struct vmtotal Total; 111 struct nchstats nchstats; 112 long nchcount; 113 long *intrcnt; 114 long bufspace; 115 u_long maxvnodes; 116 long numvnodes; 117 long freevnodes; 118 int numdirtybuffers; 119 } s, s1, s2, z; 120 static u_long kmem_size; 121 static u_int v_page_count; 122 123 124 #define total s.Total 125 #define nchtotal s.nchstats 126 #define oldnchtotal s1.nchstats 127 128 static enum state { BOOT, TIME, RUN } state = TIME; 129 enum divisor { IEC = 0, SI = HN_DIVISOR_1000 }; 130 131 static void allocinfo(struct Info *); 132 static void copyinfo(struct Info *, struct Info *); 133 static float cputime(int); 134 static void do_putuint64(uint64_t, int, int, int, int); 135 static void getinfo(struct Info *); 136 static int ucount(void); 137 138 static int ncpu; 139 static char buf[26]; 140 static time_t t; 141 static double etime; 142 static int nintr; 143 static long *intrloc; 144 static char **intrname; 145 static int nextintsrow; 146 147 WINDOW * 148 openkre(void) 149 { 150 151 return (stdscr); 152 } 153 154 void 155 closekre(WINDOW *w) 156 { 157 158 if (w == NULL) 159 return; 160 wclear(w); 161 wrefresh(w); 162 } 163 164 /* 165 * These constants define where the major pieces are laid out 166 */ 167 #define STATROW 0 /* uses 1 row and 67 cols */ 168 #define STATCOL 0 169 #define MEMROW 2 /* uses 4 rows and 45 cols */ 170 #define MEMCOL 0 171 #define PAGEROW 1 /* uses 4 rows and 30 cols */ 172 #define PAGECOL 47 173 #define INTSROW 5 /* uses all rows to bottom and 16 cols */ 174 #define INTSCOL 64 175 #define PROCSROW 6 /* uses 3 rows and 20 cols */ 176 #define PROCSCOL 0 177 #define GENSTATROW 7 /* uses 2 rows and 29 cols */ 178 #define GENSTATCOL 22 179 #define VMSTATROW 5 /* uses 17 rows and 12-14 cols */ 180 #define VMSTATCOL 52 181 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */ 182 #define GRAPHCOL 0 183 #define VNSTATROW 13 /* uses 4 rows and 13 columns */ 184 #define VNSTATCOL 35 185 #define NAMEIROW 14 /* uses 3 rows and 32 cols */ 186 #define NAMEICOL 0 187 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 188 #define DISKCOL 0 189 190 #define DRIVESPACE 7 /* max # for space */ 191 192 #define MAXDRIVES DRIVESPACE /* max # to display */ 193 194 int 195 initkre(void) 196 { 197 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp; 198 int i; 199 size_t sz; 200 201 if (dsinit(MAXDRIVES) != 1) 202 return(0); 203 204 if (nintr == 0) { 205 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 206 error("sysctl(hw.intrcnt...) failed: %s", 207 strerror(errno)); 208 return (0); 209 } 210 nintr = sz / sizeof(u_long); 211 intrloc = calloc(nintr, sizeof (long)); 212 intrname = calloc(nintr, sizeof (char *)); 213 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 214 if (intrnamebuf == NULL || intrname == NULL || 215 intrloc == NULL) { 216 error("Out of memory"); 217 if (intrnamebuf) 218 free(intrnamebuf); 219 if (intrname) 220 free(intrname); 221 if (intrloc) 222 free(intrloc); 223 nintr = 0; 224 return(0); 225 } 226 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 227 nextcp = cp + strlen(cp) + 1; 228 229 /* Discard trailing spaces. */ 230 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; ) 231 *--cp1 = '\0'; 232 233 /* Convert "irqN: name" to "name irqN". */ 234 if (strncmp(cp, "irq", 3) == 0) { 235 cp1 = cp + 3; 236 while (isdigit((u_char)*cp1)) 237 cp1++; 238 if (cp1 != cp && *cp1 == ':' && 239 *(cp1 + 1) == ' ') { 240 sz = strlen(cp); 241 *cp1 = '\0'; 242 cp1 = cp1 + 2; 243 cp2 = strdup(cp); 244 bcopy(cp1, cp, sz - (cp1 - cp) + 1); 245 if (sz <= 10 + 4) { 246 strcat(cp, " "); 247 strcat(cp, cp2 + 3); 248 } 249 free(cp2); 250 } 251 } 252 253 /* 254 * Convert "name irqN" to "name N" if the former is 255 * longer than the field width. 256 */ 257 if ((cp1 = strstr(cp, "irq")) != NULL && 258 strlen(cp) > 10) 259 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1); 260 261 intrname[i] = cp; 262 cp = nextcp; 263 } 264 nextintsrow = INTSROW + 2; 265 allocinfo(&s); 266 allocinfo(&s1); 267 allocinfo(&s2); 268 allocinfo(&z); 269 } 270 GETSYSCTL("vm.kmem_size", kmem_size); 271 GETSYSCTL("vm.stats.vm.v_page_count", v_page_count); 272 getinfo(&s2); 273 copyinfo(&s2, &s1); 274 return(1); 275 } 276 277 void 278 fetchkre(void) 279 { 280 time_t now; 281 struct tm *tp; 282 static int d_first = -1; 283 284 if (d_first < 0) 285 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 286 287 time(&now); 288 tp = localtime(&now); 289 (void) strftime(buf, sizeof(buf), 290 d_first ? "%e %b %T" : "%b %e %T", tp); 291 getinfo(&s); 292 } 293 294 void 295 labelkre(void) 296 { 297 int i; 298 299 clear(); 300 mvprintw(STATROW, STATCOL + 6, "users Load"); 301 mvprintw(STATROW + 1, STATCOL + 3, "Mem usage: %%Phy %%Kmem"); 302 mvprintw(MEMROW, MEMCOL, "Mem: REAL VIRTUAL"); 303 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 304 mvprintw(MEMROW + 2, MEMCOL, "Act"); 305 mvprintw(MEMROW + 3, MEMCOL, "All"); 306 307 mvprintw(MEMROW + 1, MEMCOL + 40, "Free"); 308 309 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER"); 310 mvprintw(PAGEROW + 1, PAGECOL, " in out in out"); 311 mvprintw(PAGEROW + 2, PAGECOL, "count"); 312 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 313 314 mvprintw(INTSROW, INTSCOL + 1, "Interrupts"); 315 mvprintw(INTSROW + 1, INTSCOL + 6, "total"); 316 317 mvprintw(VMSTATROW, VMSTATCOL + 6, "ioflt"); 318 mvprintw(VMSTATROW + 1, VMSTATCOL + 6, "cow"); 319 mvprintw(VMSTATROW + 2, VMSTATCOL + 6, "zfod"); 320 mvprintw(VMSTATROW + 3, VMSTATCOL + 6, "ozfod"); 321 mvprintw(VMSTATROW + 4, VMSTATCOL + 6 - 1, "%%ozfod"); 322 mvprintw(VMSTATROW + 5, VMSTATCOL + 6, "daefr"); 323 mvprintw(VMSTATROW + 6, VMSTATCOL + 6, "prcfr"); 324 mvprintw(VMSTATROW + 7, VMSTATCOL + 6, "totfr"); 325 mvprintw(VMSTATROW + 8, VMSTATCOL + 6, "react"); 326 mvprintw(VMSTATROW + 9, VMSTATCOL + 6, "pdwak"); 327 mvprintw(VMSTATROW + 10, VMSTATCOL + 6, "pdpgs"); 328 mvprintw(VMSTATROW + 11, VMSTATCOL + 6, "intrn"); 329 mvprintw(VMSTATROW + 12, VMSTATCOL + 6, "wire"); 330 mvprintw(VMSTATROW + 13, VMSTATCOL + 6, "act"); 331 mvprintw(VMSTATROW + 14, VMSTATCOL + 6, "inact"); 332 mvprintw(VMSTATROW + 15, VMSTATCOL + 6, "laund"); 333 mvprintw(VMSTATROW + 16, VMSTATCOL + 6, "free"); 334 if (LINES - 1 > VMSTATROW + 17) 335 mvprintw(VMSTATROW + 17, VMSTATCOL + 6, "buf"); 336 337 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 338 339 mvprintw(GRAPHROW, GRAPHCOL, 340 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 341 mvprintw(PROCSROW, PROCSCOL, "Proc:"); 342 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w"); 343 mvprintw(GRAPHROW + 1, GRAPHCOL, 344 "| | | | | | | | | | |"); 345 346 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf"); 347 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "maxvn"); 348 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn"); 349 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn"); 350 351 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 352 mvprintw(NAMEIROW + 1, NAMEICOL, 353 " Calls hits %% hits %%"); 354 dslabel(MAXDRIVES, DISKCOL, DISKROW); 355 356 for (i = 0; i < nintr; i++) { 357 if (intrloc[i] == 0) 358 continue; 359 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); 360 } 361 } 362 363 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 364 #define Q(fld) {t=cur_dev.fld[i]; cur_dev.fld[i]-=last_dev.fld[i]; if(state==TIME) last_dev.fld[i]=t;} 365 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 366 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 367 if(state == TIME) s1.nchstats.fld = t;} 368 #define PUTRATE(fld, l, c, w) \ 369 do { \ 370 Y(fld); \ 371 sysputwuint64(wnd, l, c, w, (s.fld/etime + 0.5), 0); \ 372 } while (0) 373 #define MAXFAIL 5 374 375 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 376 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 377 CP_IDLE }; 378 379 void 380 showkre(void) 381 { 382 float f1, f2; 383 int psiz, inttotal; 384 int i, l, lc; 385 static int failcnt = 0; 386 387 etime = 0; 388 for(i = 0; i < CPUSTATES; i++) { 389 X(time); 390 Q(cp_time); 391 etime += s.time[i]; 392 } 393 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 394 if (failcnt++ >= MAXFAIL) { 395 clear(); 396 mvprintw(2, 10, "The alternate system clock has died!"); 397 mvprintw(3, 10, "Reverting to ``pigs'' display."); 398 move(CMDLINE, 0); 399 refresh(); 400 failcnt = 0; 401 sleep(5); 402 command("pigs"); 403 } 404 return; 405 } 406 failcnt = 0; 407 etime /= hertz; 408 etime /= ncpu; 409 inttotal = 0; 410 for (i = 0; i < nintr; i++) { 411 if (s.intrcnt[i] == 0) 412 continue; 413 X(intrcnt); 414 l = (int)((float)s.intrcnt[i]/etime + 0.5); 415 inttotal += l; 416 if (intrloc[i] == 0) { 417 if (nextintsrow == LINES) 418 continue; 419 intrloc[i] = nextintsrow++; 420 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", 421 intrname[i]); 422 } 423 putint(l, intrloc[i], INTSCOL, 5); 424 } 425 putint(inttotal, INTSROW + 1, INTSCOL, 5); 426 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 427 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 428 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 429 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 430 if (state == TIME) 431 s1.nchcount = s.nchcount; 432 433 psiz = 0; 434 f2 = 0.0; 435 for (lc = 0; lc < CPUSTATES; lc++) { 436 i = cpuorder[lc]; 437 f1 = cputime(i); 438 f2 += f1; 439 l = (int) ((f2 + 1.0) / 2.0) - psiz; 440 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 441 move(GRAPHROW + 2, psiz); 442 psiz += l; 443 while (l-- > 0) 444 addch(cpuchar[lc]); 445 } 446 447 putint(ucount(), STATROW, STATCOL, 5); 448 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0); 449 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0); 450 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0); 451 mvaddstr(STATROW, STATCOL + 55, buf); 452 putfloat(100.0 * (v_page_count - total.t_free) / v_page_count, 453 STATROW + 1, STATCOL + 15, 2, 0, 1); 454 putfloat(100.0 * s.v_kmem_map_size / kmem_size, 455 STATROW + 1, STATCOL + 22, 2, 0, 1); 456 457 sysputpage(wnd, MEMROW + 2, MEMCOL + 4, 6, total.t_arm, 0); 458 sysputpage(wnd, MEMROW + 2, MEMCOL + 12, 6, total.t_armshr, 0); 459 sysputpage(wnd, MEMROW + 2, MEMCOL + 20, 6, total.t_avm, 0); 460 sysputpage(wnd, MEMROW + 2, MEMCOL + 29, 6, total.t_avmshr, 0); 461 sysputpage(wnd, MEMROW + 3, MEMCOL + 4, 6, total.t_rm, 0); 462 sysputpage(wnd, MEMROW + 3, MEMCOL + 12, 6, total.t_rmshr, 0); 463 sysputpage(wnd, MEMROW + 3, MEMCOL + 20, 6, total.t_vm, 0); 464 sysputpage(wnd, MEMROW + 3, MEMCOL + 29, 6, total.t_vmshr, 0); 465 sysputpage(wnd, MEMROW + 2, MEMCOL + 38, 6, total.t_free, 0); 466 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3); 467 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3); 468 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3); 469 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 4); 470 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 17, 3); 471 PUTRATE(v_io_faults, VMSTATROW, VMSTATCOL, 5); 472 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL, 5); 473 PUTRATE(v_zfod, VMSTATROW + 2, VMSTATCOL, 5); 474 PUTRATE(v_ozfod, VMSTATROW + 3, VMSTATCOL, 5); 475 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0, 476 VMSTATROW + 4, VMSTATCOL, 5); 477 PUTRATE(v_dfree, VMSTATROW + 5, VMSTATCOL, 5); 478 PUTRATE(v_pfree, VMSTATROW + 6, VMSTATCOL, 5); 479 PUTRATE(v_tfree, VMSTATROW + 7, VMSTATCOL, 5); 480 PUTRATE(v_reactivated, VMSTATROW + 8, VMSTATCOL, 5); 481 PUTRATE(v_pdwakeups, VMSTATROW + 9, VMSTATCOL, 5); 482 PUTRATE(v_pdpages, VMSTATROW + 10, VMSTATCOL, 5); 483 PUTRATE(v_intrans, VMSTATROW + 11, VMSTATCOL, 5); 484 sysputpage(wnd, VMSTATROW + 12, VMSTATCOL, 5, s.v_wire_count, 0); 485 sysputpage(wnd, VMSTATROW + 13, VMSTATCOL, 5, s.v_active_count, 0); 486 sysputpage(wnd, VMSTATROW + 14, VMSTATCOL, 5, s.v_inactive_count, 0); 487 sysputpage(wnd, VMSTATROW + 15, VMSTATCOL, 5, s.v_laundry_count, 0); 488 sysputpage(wnd, VMSTATROW + 16, VMSTATCOL, 5, s.v_free_count, 0); 489 if (LINES - 1 > VMSTATROW + 17) 490 sysputuint64(wnd, VMSTATROW + 17, VMSTATCOL, 5, s.bufspace, 0); 491 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5); 492 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5); 493 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5); 494 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5); 495 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5); 496 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5); 497 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5); 498 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5); 499 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4); 500 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4); 501 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4); 502 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4); 503 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4); 504 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4); 505 switch(state) { 506 case TIME: 507 dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, &last_dev); 508 break; 509 case RUN: 510 dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, &run_dev); 511 break; 512 case BOOT: 513 dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, NULL); 514 break; 515 } 516 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7); 517 putint(s.maxvnodes, VNSTATROW + 1, VNSTATCOL, 7); 518 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7); 519 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7); 520 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8); 521 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 522 NAMEIROW + 2, NAMEICOL + 9, 7); 523 #define nz(x) ((x) ? (x) : 1) 524 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 525 100.0 / nz(s.nchcount), 526 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1); 527 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7); 528 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 529 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1); 530 #undef nz 531 } 532 533 int 534 cmdkre(const char *cmd, const char *args) 535 { 536 int retval; 537 538 if (prefix(cmd, "run")) { 539 retval = 1; 540 copyinfo(&s2, &s1); 541 switch (devstat_getdevs(NULL, &run_dev)) { 542 case -1: 543 errx(1, "%s", devstat_errbuf); 544 break; 545 case 1: 546 num_devices = run_dev.dinfo->numdevs; 547 generation = run_dev.dinfo->generation; 548 retval = dscmd("refresh", NULL, MAXDRIVES, &cur_dev); 549 if (retval == 2) 550 labelkre(); 551 break; 552 default: 553 break; 554 } 555 state = RUN; 556 return (retval); 557 } 558 if (prefix(cmd, "boot")) { 559 state = BOOT; 560 copyinfo(&z, &s1); 561 return (1); 562 } 563 if (prefix(cmd, "time")) { 564 state = TIME; 565 return (1); 566 } 567 if (prefix(cmd, "zero")) { 568 retval = 1; 569 if (state == RUN) { 570 getinfo(&s1); 571 switch (devstat_getdevs(NULL, &run_dev)) { 572 case -1: 573 errx(1, "%s", devstat_errbuf); 574 break; 575 case 1: 576 num_devices = run_dev.dinfo->numdevs; 577 generation = run_dev.dinfo->generation; 578 retval = dscmd("refresh",NULL, MAXDRIVES, &cur_dev); 579 if (retval == 2) 580 labelkre(); 581 break; 582 default: 583 break; 584 } 585 } 586 return (retval); 587 } 588 retval = dscmd(cmd, args, MAXDRIVES, &cur_dev); 589 590 if (retval == 2) 591 labelkre(); 592 593 return(retval); 594 } 595 596 /* calculate number of users on the system */ 597 static int 598 ucount(void) 599 { 600 int nusers = 0; 601 struct utmpx *ut; 602 603 setutxent(); 604 while ((ut = getutxent()) != NULL) 605 if (ut->ut_type == USER_PROCESS) 606 nusers++; 607 endutxent(); 608 609 return (nusers); 610 } 611 612 static float 613 cputime(int indx) 614 { 615 double lt; 616 int i; 617 618 lt = 0; 619 for (i = 0; i < CPUSTATES; i++) 620 lt += s.time[i]; 621 if (lt == 0.0) 622 lt = 1.0; 623 return (s.time[indx] * 100.0 / lt); 624 } 625 626 void 627 putint(int n, int l, int lc, int w) 628 { 629 630 do_putuint64(n, l, lc, w, SI); 631 } 632 633 static void 634 do_putuint64(uint64_t n, int l, int lc, int w, int div) 635 { 636 int snr; 637 char b[128]; 638 char lbuf[128]; 639 640 move(l, lc); 641 #ifdef DEBUG 642 while (w-- > 0) 643 addch('*'); 644 return; 645 #endif 646 if (n == 0) { 647 while (w-- > 0) 648 addch(' '); 649 return; 650 } 651 snr = snprintf(b, sizeof(b), "%*ju", w, (uintmax_t)n); 652 if (snr != w) { 653 humanize_number(lbuf, w, n, "", HN_AUTOSCALE, 654 HN_NOSPACE | HN_DECIMAL | div); 655 snr = snprintf(b, sizeof(b), "%*s", w, lbuf); 656 } 657 if (snr != w) { 658 while (w-- > 0) 659 addch('*'); 660 return; 661 } 662 addstr(b); 663 } 664 665 void 666 putfloat(double f, int l, int lc, int w, int d, int nz) 667 { 668 int snr; 669 char b[128]; 670 671 move(l, lc); 672 #ifdef DEBUG 673 while (--w >= 0) 674 addch('*'); 675 return; 676 #endif 677 if (nz && f == 0.0) { 678 while (--w >= 0) 679 addch(' '); 680 return; 681 } 682 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f); 683 if (snr != w) 684 snr = snprintf(b, sizeof(b), "%*.0f", w, f); 685 if (snr != w) 686 snr = snprintf(b, sizeof(b), "%*.0fk", w - 1, f / 1000); 687 if (snr != w) 688 snr = snprintf(b, sizeof(b), "%*.0fM", w - 1, f / 1000000); 689 if (snr != w) { 690 while (--w >= 0) 691 addch('*'); 692 return; 693 } 694 addstr(b); 695 } 696 697 void 698 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 699 { 700 int snr; 701 char b[128]; 702 703 move(l, lc); 704 #ifdef DEBUG 705 while (--w >= 0) 706 addch('*'); 707 return; 708 #endif 709 if (nz && f == 0.0) { 710 while (--w >= 0) 711 addch(' '); 712 return; 713 } 714 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f); 715 if (snr != w) 716 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f); 717 if (snr != w) 718 snr = snprintf(b, sizeof(b), "%*.0Lfk", w - 1, f / 1000); 719 if (snr != w) 720 snr = snprintf(b, sizeof(b), "%*.0LfM", w - 1, f / 1000000); 721 if (snr != w) { 722 while (--w >= 0) 723 addch('*'); 724 return; 725 } 726 addstr(b); 727 } 728 729 static void 730 getinfo(struct Info *ls) 731 { 732 struct devinfo *tmp_dinfo; 733 size_t size; 734 int mib[2]; 735 736 GETSYSCTL("kern.cp_time", ls->time); 737 GETSYSCTL("kern.cp_time", cur_dev.cp_time); 738 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 739 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 740 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 741 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 742 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 743 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 744 GETSYSCTL("vm.stats.vm.v_io_faults", ls->v_io_faults); 745 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 746 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 747 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 748 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 749 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 750 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 751 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 752 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 753 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 754 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 755 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 756 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 757 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 758 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 759 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 760 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 761 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 762 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 763 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 764 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 765 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 766 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 767 GETSYSCTL("vm.stats.vm.v_laundry_count", ls->v_laundry_count); 768 GETSYSCTL("vfs.bufspace", ls->bufspace); 769 GETSYSCTL("kern.maxvnodes", ls->maxvnodes); 770 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 771 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 772 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 773 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 774 GETSYSCTL("vm.kmem_map_size", ls->v_kmem_map_size); 775 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 776 777 size = sizeof(ls->Total); 778 mib[0] = CTL_VM; 779 mib[1] = VM_TOTAL; 780 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 781 error("Can't get kernel info: %s\n", strerror(errno)); 782 bzero(&ls->Total, sizeof(ls->Total)); 783 } 784 size = sizeof(ncpu); 785 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 786 size != sizeof(ncpu)) 787 ncpu = 1; 788 789 tmp_dinfo = last_dev.dinfo; 790 last_dev.dinfo = cur_dev.dinfo; 791 cur_dev.dinfo = tmp_dinfo; 792 793 last_dev.snap_time = cur_dev.snap_time; 794 dsgetinfo(&cur_dev); 795 } 796 797 static void 798 allocinfo(struct Info *ls) 799 { 800 801 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 802 if (ls->intrcnt == NULL) 803 errx(2, "out of memory"); 804 } 805 806 static void 807 copyinfo(struct Info *from, struct Info *to) 808 { 809 long *intrcnt; 810 811 /* 812 * time, wds, seek, and xfer are malloc'd so we have to 813 * save the pointers before the structure copy and then 814 * copy by hand. 815 */ 816 intrcnt = to->intrcnt; 817 *to = *from; 818 819 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 820 } 821