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 #include <sys/cdefs.h> 33 34 __FBSDID("$FreeBSD$"); 35 36 #ifdef lint 37 static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; 38 #endif 39 40 /* 41 * Cursed vmstat -- from Robert Elz. 42 */ 43 44 #include <sys/param.h> 45 #include <sys/stat.h> 46 #include <sys/time.h> 47 #include <sys/proc.h> 48 #include <sys/uio.h> 49 #include <sys/namei.h> 50 #include <sys/resource.h> 51 #include <sys/sysctl.h> 52 #include <sys/vmmeter.h> 53 54 #include <vm/vm_param.h> 55 56 #include <ctype.h> 57 #include <err.h> 58 #include <errno.h> 59 #include <langinfo.h> 60 #include <libutil.h> 61 #include <nlist.h> 62 #include <paths.h> 63 #include <signal.h> 64 #include <stdlib.h> 65 #include <string.h> 66 #include <time.h> 67 #include <unistd.h> 68 #include <utmpx.h> 69 #include <devstat.h> 70 #include "systat.h" 71 #include "extern.h" 72 #include "devs.h" 73 74 static struct Info { 75 long time[CPUSTATES]; 76 uint64_t v_swtch; /* context switches */ 77 uint64_t v_trap; /* calls to trap */ 78 uint64_t v_syscall; /* calls to syscall() */ 79 uint64_t v_intr; /* device interrupts */ 80 uint64_t v_soft; /* software interrupts */ 81 /* 82 * Virtual memory activity. 83 */ 84 uint64_t v_vm_faults; /* number of address memory faults */ 85 uint64_t v_io_faults; /* page faults requiring I/O */ 86 uint64_t v_cow_faults; /* number of copy-on-writes */ 87 uint64_t v_zfod; /* pages zero filled on demand */ 88 uint64_t v_ozfod; /* optimized zero fill pages */ 89 uint64_t v_swapin; /* swap pager pageins */ 90 uint64_t v_swapout; /* swap pager pageouts */ 91 uint64_t v_swappgsin; /* swap pager pages paged in */ 92 uint64_t v_swappgsout; /* swap pager pages paged out */ 93 uint64_t v_vnodein; /* vnode pager pageins */ 94 uint64_t v_vnodeout; /* vnode pager pageouts */ 95 uint64_t v_vnodepgsin; /* vnode_pager pages paged in */ 96 uint64_t v_vnodepgsout; /* vnode pager pages paged out */ 97 uint64_t v_intrans; /* intransit blocking page faults */ 98 uint64_t v_reactivated; /* number of pages reactivated by pagedaemon */ 99 uint64_t v_pdwakeups; /* number of times daemon has awaken from sleep */ 100 uint64_t v_pdpages; /* number of pages analyzed by daemon */ 101 102 uint64_t v_dfree; /* pages freed by daemon */ 103 uint64_t v_pfree; /* pages freed by exiting processes */ 104 uint64_t v_tfree; /* total pages freed */ 105 /* 106 * Distribution of page usages. 107 */ 108 u_int v_page_size; /* page size in bytes */ 109 u_int v_free_count; /* number of pages free */ 110 u_int v_wire_count; /* number of pages wired down */ 111 u_int v_active_count; /* number of pages active */ 112 u_int v_inactive_count; /* number of pages inactive */ 113 u_int v_laundry_count; /* number of pages in laundry queue */ 114 u_long v_kmem_map_size; /* Current kmem allocation size */ 115 struct vmtotal Total; 116 struct nchstats nchstats; 117 long nchcount; 118 long *intrcnt; 119 long bufspace; 120 int desiredvnodes; 121 long numvnodes; 122 long freevnodes; 123 int numdirtybuffers; 124 } s, s1, s2, z; 125 static u_long kmem_size; 126 static u_int v_page_count; 127 128 struct statinfo cur, last, run; 129 130 #define total s.Total 131 #define nchtotal s.nchstats 132 #define oldnchtotal s1.nchstats 133 134 static enum state { BOOT, TIME, RUN } state = TIME; 135 enum divisor { IEC = 0, SI = HN_DIVISOR_1000 }; 136 137 static void allocinfo(struct Info *); 138 static void copyinfo(struct Info *, struct Info *); 139 static float cputime(int); 140 static void dinfo(int, int, struct statinfo *, struct statinfo *); 141 static void do_putuint64(uint64_t, int, int, int, int); 142 static void getinfo(struct Info *); 143 static void putint(int, int, int, int); 144 static void putuint64(uint64_t, int, int, int); 145 static void putfloat(double, int, int, int, int, int); 146 static void putlongdouble(long double, int, int, int, int, int); 147 static int ucount(void); 148 149 static int ncpu; 150 static char buf[26]; 151 static time_t t; 152 static double etime; 153 static int nintr; 154 static long *intrloc; 155 static char **intrname; 156 static int nextintsrow; 157 158 WINDOW * 159 openkre(void) 160 { 161 162 return (stdscr); 163 } 164 165 void 166 closekre(WINDOW *w) 167 { 168 169 if (w == NULL) 170 return; 171 wclear(w); 172 wrefresh(w); 173 } 174 175 /* 176 * These constants define where the major pieces are laid out 177 */ 178 #define STATROW 0 /* uses 1 row and 67 cols */ 179 #define STATCOL 0 180 #define MEMROW 2 /* uses 4 rows and 45 cols */ 181 #define MEMCOL 0 182 #define PAGEROW 2 /* uses 4 rows and 30 cols */ 183 #define PAGECOL 47 184 #define INTSROW 6 /* uses all rows to bottom and 16 cols */ 185 #define INTSCOL 64 186 #define PROCSROW 6 /* uses 3 rows and 19 cols */ 187 #define PROCSCOL 0 188 #define GENSTATROW 7 /* uses 2 rows and 29 cols */ 189 #define GENSTATCOL 21 190 #define VMSTATROW 7 /* uses 17 rows and 12-14 cols */ 191 #define VMSTATCOL 49 /* actually 50-51 for some fields */ 192 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */ 193 #define GRAPHCOL 0 194 #define VNSTATROW 13 /* uses 4 rows and 13 columns */ 195 #define VNSTATCOL 35 196 #define NAMEIROW 14 /* uses 3 rows and 32 cols */ 197 #define NAMEICOL 0 198 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */ 199 #define DISKCOL 0 200 201 #define DRIVESPACE 7 /* max # for space */ 202 203 #define MAXDRIVES DRIVESPACE /* max # to display */ 204 205 int 206 initkre(void) 207 { 208 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp; 209 int i; 210 size_t sz; 211 212 if ((num_devices = devstat_getnumdevs(NULL)) < 0) { 213 warnx("%s", devstat_errbuf); 214 return(0); 215 } 216 217 cur.dinfo = calloc(1, sizeof(struct devinfo)); 218 last.dinfo = calloc(1, sizeof(struct devinfo)); 219 run.dinfo = calloc(1, sizeof(struct devinfo)); 220 221 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1) 222 return(0); 223 224 if (nintr == 0) { 225 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) { 226 error("sysctl(hw.intrcnt...) failed: %s", 227 strerror(errno)); 228 return (0); 229 } 230 nintr = sz / sizeof(u_long); 231 intrloc = calloc(nintr, sizeof (long)); 232 intrname = calloc(nintr, sizeof (char *)); 233 intrnamebuf = sysctl_dynread("hw.intrnames", NULL); 234 if (intrnamebuf == NULL || intrname == NULL || 235 intrloc == NULL) { 236 error("Out of memory"); 237 if (intrnamebuf) 238 free(intrnamebuf); 239 if (intrname) 240 free(intrname); 241 if (intrloc) 242 free(intrloc); 243 nintr = 0; 244 return(0); 245 } 246 for (cp = intrnamebuf, i = 0; i < nintr; i++) { 247 nextcp = cp + strlen(cp) + 1; 248 249 /* Discard trailing spaces. */ 250 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; ) 251 *--cp1 = '\0'; 252 253 /* Convert "irqN: name" to "name irqN". */ 254 if (strncmp(cp, "irq", 3) == 0) { 255 cp1 = cp + 3; 256 while (isdigit((u_char)*cp1)) 257 cp1++; 258 if (cp1 != cp && *cp1 == ':' && 259 *(cp1 + 1) == ' ') { 260 sz = strlen(cp); 261 *cp1 = '\0'; 262 cp1 = cp1 + 2; 263 cp2 = strdup(cp); 264 bcopy(cp1, cp, sz - (cp1 - cp) + 1); 265 if (sz <= 10 + 4) { 266 strcat(cp, " "); 267 strcat(cp, cp2 + 3); 268 } 269 free(cp2); 270 } 271 } 272 273 /* 274 * Convert "name irqN" to "name N" if the former is 275 * longer than the field width. 276 */ 277 if ((cp1 = strstr(cp, "irq")) != NULL && 278 strlen(cp) > 10) 279 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1); 280 281 intrname[i] = cp; 282 cp = nextcp; 283 } 284 nextintsrow = INTSROW + 2; 285 allocinfo(&s); 286 allocinfo(&s1); 287 allocinfo(&s2); 288 allocinfo(&z); 289 } 290 GETSYSCTL("vm.kmem_size", kmem_size); 291 GETSYSCTL("vm.stats.vm.v_page_count", v_page_count); 292 getinfo(&s2); 293 copyinfo(&s2, &s1); 294 return(1); 295 } 296 297 void 298 fetchkre(void) 299 { 300 time_t now; 301 struct tm *tp; 302 static int d_first = -1; 303 304 if (d_first < 0) 305 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 306 307 time(&now); 308 tp = localtime(&now); 309 (void) strftime(buf, sizeof(buf), 310 d_first ? "%e %b %R" : "%b %e %R", tp); 311 getinfo(&s); 312 } 313 314 void 315 labelkre(void) 316 { 317 int i, j; 318 319 clear(); 320 mvprintw(STATROW, STATCOL + 6, "users Load"); 321 mvprintw(STATROW + 1, STATCOL + 3, "Mem usage: %%Phy %%Kmem"); 322 mvprintw(MEMROW, MEMCOL, "Mem: KB REAL VIRTUAL"); 323 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); 324 mvprintw(MEMROW + 2, MEMCOL, "Act"); 325 mvprintw(MEMROW + 3, MEMCOL, "All"); 326 327 mvprintw(MEMROW + 1, MEMCOL + 41, "Free"); 328 329 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER"); 330 mvprintw(PAGEROW + 1, PAGECOL, " in out in out"); 331 mvprintw(PAGEROW + 2, PAGECOL, "count"); 332 mvprintw(PAGEROW + 3, PAGECOL, "pages"); 333 334 mvprintw(INTSROW, INTSCOL + 1, "Interrupts"); 335 mvprintw(INTSROW + 1, INTSCOL + 6, "total"); 336 337 mvprintw(VMSTATROW, VMSTATCOL + 9, "ioflt"); 338 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "cow"); 339 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "zfod"); 340 mvprintw(VMSTATROW + 3, VMSTATCOL + 9, "ozfod"); 341 mvprintw(VMSTATROW + 4, VMSTATCOL + 9 - 1, "%%ozfod"); 342 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "daefr"); 343 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "prcfr"); 344 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "totfr"); 345 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "react"); 346 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdwak"); 347 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "pdpgs"); 348 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "intrn"); 349 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "wire"); 350 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "act"); 351 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "inact"); 352 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "laund"); 353 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "free"); 354 if (LINES - 1 > VMSTATROW + 17) 355 mvprintw(VMSTATROW + 17, VMSTATCOL + 9, "buf"); 356 357 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt"); 358 359 mvprintw(GRAPHROW, GRAPHCOL, 360 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle"); 361 mvprintw(PROCSROW, PROCSCOL, "Proc:"); 362 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w"); 363 mvprintw(GRAPHROW + 1, GRAPHCOL, 364 "| | | | | | | | | | |"); 365 366 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf"); 367 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn"); 368 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn"); 369 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn"); 370 371 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache"); 372 mvprintw(NAMEIROW + 1, NAMEICOL, 373 " Calls hits %% hits %%"); 374 mvprintw(DISKROW, DISKCOL, "Disks"); 375 mvprintw(DISKROW + 1, DISKCOL, "KB/t"); 376 mvprintw(DISKROW + 2, DISKCOL, "tps"); 377 mvprintw(DISKROW + 3, DISKCOL, "MB/s"); 378 mvprintw(DISKROW + 4, DISKCOL, "%%busy"); 379 /* 380 * For now, we don't support a fourth disk statistic. So there's 381 * no point in providing a label for it. If someone can think of a 382 * fourth useful disk statistic, there is room to add it. 383 */ 384 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */ 385 j = 0; 386 for (i = 0; i < num_devices && j < MAXDRIVES; i++) 387 if (dev_select[i].selected) { 388 char tmpstr[80]; 389 sprintf(tmpstr, "%s%d", dev_select[i].device_name, 390 dev_select[i].unit_number); 391 mvprintw(DISKROW, DISKCOL + 5 + 6 * j, 392 " %5.5s", tmpstr); 393 j++; 394 } 395 396 for (i = 0; i < nintr; i++) { 397 if (intrloc[i] == 0) 398 continue; 399 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); 400 } 401 } 402 403 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;} 404 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;} 405 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;} 406 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \ 407 if(state == TIME) s1.nchstats.fld = t;} 408 #define PUTRATE(fld, l, c, w) \ 409 do { \ 410 Y(fld); \ 411 putint((int)((float)s.fld/etime + 0.5), l, c, w); \ 412 } while (0) 413 #define MAXFAIL 5 414 415 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' }; 416 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE, 417 CP_IDLE }; 418 419 void 420 showkre(void) 421 { 422 float f1, f2; 423 int psiz, inttotal; 424 int i, l, lc; 425 static int failcnt = 0; 426 427 etime = 0; 428 for(i = 0; i < CPUSTATES; i++) { 429 X(time); 430 Q(cp_time); 431 etime += s.time[i]; 432 } 433 if (etime < 5.0) { /* < 5 ticks - ignore this trash */ 434 if (failcnt++ >= MAXFAIL) { 435 clear(); 436 mvprintw(2, 10, "The alternate system clock has died!"); 437 mvprintw(3, 10, "Reverting to ``pigs'' display."); 438 move(CMDLINE, 0); 439 refresh(); 440 failcnt = 0; 441 sleep(5); 442 command("pigs"); 443 } 444 return; 445 } 446 failcnt = 0; 447 etime /= hertz; 448 etime /= ncpu; 449 inttotal = 0; 450 for (i = 0; i < nintr; i++) { 451 if (s.intrcnt[i] == 0) 452 continue; 453 X(intrcnt); 454 l = (int)((float)s.intrcnt[i]/etime + 0.5); 455 inttotal += l; 456 if (intrloc[i] == 0) { 457 if (nextintsrow == LINES) 458 continue; 459 intrloc[i] = nextintsrow++; 460 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", 461 intrname[i]); 462 } 463 putint(l, intrloc[i], INTSCOL, 5); 464 } 465 putint(inttotal, INTSROW + 1, INTSCOL, 5); 466 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss); 467 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits); 468 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits + 469 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits; 470 if (state == TIME) 471 s1.nchcount = s.nchcount; 472 473 psiz = 0; 474 f2 = 0.0; 475 for (lc = 0; lc < CPUSTATES; lc++) { 476 i = cpuorder[lc]; 477 f1 = cputime(i); 478 f2 += f1; 479 l = (int) ((f2 + 1.0) / 2.0) - psiz; 480 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0); 481 move(GRAPHROW + 2, psiz); 482 psiz += l; 483 while (l-- > 0) 484 addch(cpuchar[lc]); 485 } 486 487 putint(ucount(), STATROW, STATCOL, 5); 488 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0); 489 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0); 490 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0); 491 mvaddstr(STATROW, STATCOL + 55, buf); 492 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024)) 493 putfloat(100.0 * (v_page_count - total.t_free) / v_page_count, 494 STATROW + 1, STATCOL + 15, 2, 0, 1); 495 putfloat(100.0 * s.v_kmem_map_size / kmem_size, 496 STATROW + 1, STATCOL + 22, 2, 0, 1); 497 498 putuint64(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7); 499 putuint64(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7); 500 putuint64(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8); 501 putuint64(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8); 502 putuint64(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7); 503 putuint64(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7); 504 putuint64(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8); 505 putuint64(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8); 506 putuint64(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7); 507 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3); 508 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3); 509 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3); 510 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3); 511 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3); 512 PUTRATE(v_io_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2); 513 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2); 514 PUTRATE(v_zfod, VMSTATROW + 2, VMSTATCOL + 2, 8 - 2); 515 PUTRATE(v_ozfod, VMSTATROW + 3, VMSTATCOL, 8); 516 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0, 517 VMSTATROW + 4, VMSTATCOL + 1, 8 - 1); 518 PUTRATE(v_dfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2); 519 PUTRATE(v_pfree, VMSTATROW + 6, VMSTATCOL + 2, 8 - 2); 520 PUTRATE(v_tfree, VMSTATROW + 7, VMSTATCOL, 8); 521 PUTRATE(v_reactivated, VMSTATROW + 8, VMSTATCOL, 8); 522 PUTRATE(v_pdwakeups, VMSTATROW + 9, VMSTATCOL, 8); 523 PUTRATE(v_pdpages, VMSTATROW + 10, VMSTATCOL, 8); 524 PUTRATE(v_intrans, VMSTATROW + 11, VMSTATCOL, 8); 525 putuint64(pgtokb(s.v_wire_count), VMSTATROW + 12, VMSTATCOL, 8); 526 putuint64(pgtokb(s.v_active_count), VMSTATROW + 13, VMSTATCOL, 8); 527 putuint64(pgtokb(s.v_inactive_count), VMSTATROW + 14, VMSTATCOL, 8); 528 putuint64(pgtokb(s.v_laundry_count), VMSTATROW + 15, VMSTATCOL, 8); 529 putuint64(pgtokb(s.v_free_count), VMSTATROW + 16, VMSTATCOL, 8); 530 if (LINES - 1 > VMSTATROW + 17) 531 putuint64(s.bufspace / 1024, VMSTATROW + 17, VMSTATCOL, 8); 532 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5); 533 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5); 534 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5); 535 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5); 536 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5); 537 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5); 538 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5); 539 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5); 540 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4); 541 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4); 542 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4); 543 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4); 544 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4); 545 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4); 546 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++) 547 if (dev_select[i].selected) { 548 switch(state) { 549 case TIME: 550 dinfo(i, ++lc, &cur, &last); 551 break; 552 case RUN: 553 dinfo(i, ++lc, &cur, &run); 554 break; 555 case BOOT: 556 dinfo(i, ++lc, &cur, NULL); 557 break; 558 } 559 } 560 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7); 561 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7); 562 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7); 563 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7); 564 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8); 565 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits), 566 NAMEIROW + 2, NAMEICOL + 9, 7); 567 #define nz(x) ((x) ? (x) : 1) 568 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) * 569 100.0 / nz(s.nchcount), 570 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1); 571 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7); 572 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount), 573 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1); 574 #undef nz 575 } 576 577 int 578 cmdkre(const char *cmd, const char *args) 579 { 580 int retval; 581 582 if (prefix(cmd, "run")) { 583 retval = 1; 584 copyinfo(&s2, &s1); 585 switch (devstat_getdevs(NULL, &run)) { 586 case -1: 587 errx(1, "%s", devstat_errbuf); 588 break; 589 case 1: 590 num_devices = run.dinfo->numdevs; 591 generation = run.dinfo->generation; 592 retval = dscmd("refresh", NULL, MAXDRIVES, &cur); 593 if (retval == 2) 594 labelkre(); 595 break; 596 default: 597 break; 598 } 599 state = RUN; 600 return (retval); 601 } 602 if (prefix(cmd, "boot")) { 603 state = BOOT; 604 copyinfo(&z, &s1); 605 return (1); 606 } 607 if (prefix(cmd, "time")) { 608 state = TIME; 609 return (1); 610 } 611 if (prefix(cmd, "zero")) { 612 retval = 1; 613 if (state == RUN) { 614 getinfo(&s1); 615 switch (devstat_getdevs(NULL, &run)) { 616 case -1: 617 errx(1, "%s", devstat_errbuf); 618 break; 619 case 1: 620 num_devices = run.dinfo->numdevs; 621 generation = run.dinfo->generation; 622 retval = dscmd("refresh",NULL, MAXDRIVES, &cur); 623 if (retval == 2) 624 labelkre(); 625 break; 626 default: 627 break; 628 } 629 } 630 return (retval); 631 } 632 retval = dscmd(cmd, args, MAXDRIVES, &cur); 633 634 if (retval == 2) 635 labelkre(); 636 637 return(retval); 638 } 639 640 /* calculate number of users on the system */ 641 static int 642 ucount(void) 643 { 644 int nusers = 0; 645 struct utmpx *ut; 646 647 setutxent(); 648 while ((ut = getutxent()) != NULL) 649 if (ut->ut_type == USER_PROCESS) 650 nusers++; 651 endutxent(); 652 653 return (nusers); 654 } 655 656 static float 657 cputime(int indx) 658 { 659 double lt; 660 int i; 661 662 lt = 0; 663 for (i = 0; i < CPUSTATES; i++) 664 lt += s.time[i]; 665 if (lt == 0.0) 666 lt = 1.0; 667 return (s.time[indx] * 100.0 / lt); 668 } 669 670 static void 671 putint(int n, int l, int lc, int w) 672 { 673 674 do_putuint64(n, l, lc, w, SI); 675 } 676 677 static void 678 putuint64(uint64_t n, int l, int lc, int w) 679 { 680 681 do_putuint64(n, l, lc, w, IEC); 682 } 683 684 static void 685 do_putuint64(uint64_t n, int l, int lc, int w, int div) 686 { 687 int snr; 688 char b[128]; 689 char buf[128]; 690 691 move(l, lc); 692 #ifdef DEBUG 693 while (w-- > 0) 694 addch('*'); 695 return; 696 #endif 697 if (n == 0) { 698 while (w-- > 0) 699 addch(' '); 700 return; 701 } 702 snr = snprintf(b, sizeof(b), "%*ju", w, (uintmax_t)n); 703 if (snr != w) { 704 humanize_number(buf, w, n, "", HN_AUTOSCALE, 705 HN_NOSPACE | HN_DECIMAL | div); 706 snr = snprintf(b, sizeof(b), "%*s", w, buf); 707 } 708 if (snr != w) { 709 while (w-- > 0) 710 addch('*'); 711 return; 712 } 713 addstr(b); 714 } 715 716 static void 717 putfloat(double f, int l, int lc, int w, int d, int nz) 718 { 719 int snr; 720 char b[128]; 721 722 move(l, lc); 723 #ifdef DEBUG 724 while (--w >= 0) 725 addch('*'); 726 return; 727 #endif 728 if (nz && f == 0.0) { 729 while (--w >= 0) 730 addch(' '); 731 return; 732 } 733 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f); 734 if (snr != w) 735 snr = snprintf(b, sizeof(b), "%*.0f", w, f); 736 if (snr != w) 737 snr = snprintf(b, sizeof(b), "%*.0fk", w - 1, f / 1000); 738 if (snr != w) 739 snr = snprintf(b, sizeof(b), "%*.0fM", w - 1, f / 1000000); 740 if (snr != w) { 741 while (--w >= 0) 742 addch('*'); 743 return; 744 } 745 addstr(b); 746 } 747 748 static void 749 putlongdouble(long double f, int l, int lc, int w, int d, int nz) 750 { 751 int snr; 752 char b[128]; 753 754 move(l, lc); 755 #ifdef DEBUG 756 while (--w >= 0) 757 addch('*'); 758 return; 759 #endif 760 if (nz && f == 0.0) { 761 while (--w >= 0) 762 addch(' '); 763 return; 764 } 765 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f); 766 if (snr != w) 767 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f); 768 if (snr != w) 769 snr = snprintf(b, sizeof(b), "%*.0Lfk", w - 1, f / 1000); 770 if (snr != w) 771 snr = snprintf(b, sizeof(b), "%*.0LfM", w - 1, f / 1000000); 772 if (snr != w) { 773 while (--w >= 0) 774 addch('*'); 775 return; 776 } 777 addstr(b); 778 } 779 780 static void 781 getinfo(struct Info *ls) 782 { 783 struct devinfo *tmp_dinfo; 784 size_t size; 785 int mib[2]; 786 787 GETSYSCTL("kern.cp_time", ls->time); 788 GETSYSCTL("kern.cp_time", cur.cp_time); 789 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch); 790 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap); 791 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall); 792 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr); 793 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft); 794 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults); 795 GETSYSCTL("vm.stats.vm.v_io_faults", ls->v_io_faults); 796 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults); 797 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod); 798 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod); 799 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin); 800 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout); 801 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin); 802 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout); 803 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein); 804 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout); 805 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin); 806 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout); 807 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans); 808 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated); 809 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups); 810 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages); 811 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree); 812 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree); 813 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree); 814 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size); 815 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count); 816 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count); 817 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count); 818 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count); 819 GETSYSCTL("vm.stats.vm.v_laundry_count", ls->v_laundry_count); 820 GETSYSCTL("vfs.bufspace", ls->bufspace); 821 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes); 822 GETSYSCTL("vfs.numvnodes", ls->numvnodes); 823 GETSYSCTL("vfs.freevnodes", ls->freevnodes); 824 GETSYSCTL("vfs.cache.nchstats", ls->nchstats); 825 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); 826 GETSYSCTL("vm.kmem_map_size", ls->v_kmem_map_size); 827 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long)); 828 829 size = sizeof(ls->Total); 830 mib[0] = CTL_VM; 831 mib[1] = VM_TOTAL; 832 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) { 833 error("Can't get kernel info: %s\n", strerror(errno)); 834 bzero(&ls->Total, sizeof(ls->Total)); 835 } 836 size = sizeof(ncpu); 837 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 || 838 size != sizeof(ncpu)) 839 ncpu = 1; 840 841 tmp_dinfo = last.dinfo; 842 last.dinfo = cur.dinfo; 843 cur.dinfo = tmp_dinfo; 844 845 last.snap_time = cur.snap_time; 846 switch (devstat_getdevs(NULL, &cur)) { 847 case -1: 848 errx(1, "%s", devstat_errbuf); 849 break; 850 case 1: 851 num_devices = cur.dinfo->numdevs; 852 generation = cur.dinfo->generation; 853 cmdkre("refresh", NULL); 854 break; 855 default: 856 break; 857 } 858 } 859 860 static void 861 allocinfo(struct Info *ls) 862 { 863 864 ls->intrcnt = (long *) calloc(nintr, sizeof(long)); 865 if (ls->intrcnt == NULL) 866 errx(2, "out of memory"); 867 } 868 869 static void 870 copyinfo(struct Info *from, struct Info *to) 871 { 872 long *intrcnt; 873 874 /* 875 * time, wds, seek, and xfer are malloc'd so we have to 876 * save the pointers before the structure copy and then 877 * copy by hand. 878 */ 879 intrcnt = to->intrcnt; 880 *to = *from; 881 882 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int)); 883 } 884 885 static void 886 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then) 887 { 888 long double transfers_per_second; 889 long double kb_per_transfer, mb_per_second; 890 long double elapsed_time, device_busy; 891 int di; 892 893 di = dev_select[dn].position; 894 895 if (then != NULL) { 896 /* Calculate relative to previous sample */ 897 elapsed_time = now->snap_time - then->snap_time; 898 } else { 899 /* Calculate relative to device creation */ 900 elapsed_time = now->snap_time - devstat_compute_etime( 901 &now->dinfo->devices[di].creation_time, NULL); 902 } 903 904 if (devstat_compute_statistics(&now->dinfo->devices[di], then ? 905 &then->dinfo->devices[di] : NULL, elapsed_time, 906 DSM_KB_PER_TRANSFER, &kb_per_transfer, 907 DSM_TRANSFERS_PER_SECOND, &transfers_per_second, 908 DSM_MB_PER_SECOND, &mb_per_second, 909 DSM_BUSY_PCT, &device_busy, 910 DSM_NONE) != 0) 911 errx(1, "%s", devstat_errbuf); 912 913 lc = DISKCOL + lc * 6; 914 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0); 915 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0); 916 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0); 917 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0); 918 } 919