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 *
openkre(void)148 openkre(void)
149 {
150
151 return (stdscr);
152 }
153
154 void
closekre(WINDOW * w)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
initkre(void)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
fetchkre(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
labelkre(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
showkre(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
cmdkre(const char * cmd,const char * args)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
ucount(void)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
cputime(int indx)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
putint(int n,int l,int lc,int w)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
do_putuint64(uint64_t n,int l,int lc,int w,int div)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
putfloat(double f,int l,int lc,int w,int d,int nz)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
putlongdouble(long double f,int l,int lc,int w,int d,int nz)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
getinfo(struct Info * ls)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
allocinfo(struct Info * ls)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
copyinfo(struct Info * from,struct Info * to)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