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 void putuint64(uint64_t, int, int, int);
137 static int ucount(void);
138
139 static int ncpu;
140 static char buf[26];
141 static time_t t;
142 static double etime;
143 static int nintr;
144 static long *intrloc;
145 static char **intrname;
146 static int nextintsrow;
147
148 WINDOW *
openkre(void)149 openkre(void)
150 {
151
152 return (stdscr);
153 }
154
155 void
closekre(WINDOW * w)156 closekre(WINDOW *w)
157 {
158
159 if (w == NULL)
160 return;
161 wclear(w);
162 wrefresh(w);
163 }
164
165 /*
166 * These constants define where the major pieces are laid out
167 */
168 #define STATROW 0 /* uses 1 row and 67 cols */
169 #define STATCOL 0
170 #define MEMROW 2 /* uses 4 rows and 45 cols */
171 #define MEMCOL 0
172 #define PAGEROW 1 /* uses 4 rows and 30 cols */
173 #define PAGECOL 47
174 #define INTSROW 5 /* uses all rows to bottom and 16 cols */
175 #define INTSCOL 64
176 #define PROCSROW 6 /* uses 3 rows and 20 cols */
177 #define PROCSCOL 0
178 #define GENSTATROW 7 /* uses 2 rows and 29 cols */
179 #define GENSTATCOL 22
180 #define VMSTATROW 5 /* uses 17 rows and 12-14 cols */
181 #define VMSTATCOL 52
182 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */
183 #define GRAPHCOL 0
184 #define VNSTATROW 13 /* uses 4 rows and 13 columns */
185 #define VNSTATCOL 35
186 #define NAMEIROW 14 /* uses 3 rows and 32 cols */
187 #define NAMEICOL 0
188 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
189 #define DISKCOL 0
190
191 #define DRIVESPACE 7 /* max # for space */
192
193 #define MAXDRIVES DRIVESPACE /* max # to display */
194
195 int
initkre(void)196 initkre(void)
197 {
198 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
199 int i;
200 size_t sz;
201
202 if (dsinit(MAXDRIVES) != 1)
203 return(0);
204
205 if (nintr == 0) {
206 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) {
207 error("sysctl(hw.intrcnt...) failed: %s",
208 strerror(errno));
209 return (0);
210 }
211 nintr = sz / sizeof(u_long);
212 intrloc = calloc(nintr, sizeof (long));
213 intrname = calloc(nintr, sizeof (char *));
214 intrnamebuf = sysctl_dynread("hw.intrnames", NULL);
215 if (intrnamebuf == NULL || intrname == NULL ||
216 intrloc == NULL) {
217 error("Out of memory");
218 if (intrnamebuf)
219 free(intrnamebuf);
220 if (intrname)
221 free(intrname);
222 if (intrloc)
223 free(intrloc);
224 nintr = 0;
225 return(0);
226 }
227 for (cp = intrnamebuf, i = 0; i < nintr; i++) {
228 nextcp = cp + strlen(cp) + 1;
229
230 /* Discard trailing spaces. */
231 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; )
232 *--cp1 = '\0';
233
234 /* Convert "irqN: name" to "name irqN". */
235 if (strncmp(cp, "irq", 3) == 0) {
236 cp1 = cp + 3;
237 while (isdigit((u_char)*cp1))
238 cp1++;
239 if (cp1 != cp && *cp1 == ':' &&
240 *(cp1 + 1) == ' ') {
241 sz = strlen(cp);
242 *cp1 = '\0';
243 cp1 = cp1 + 2;
244 cp2 = strdup(cp);
245 bcopy(cp1, cp, sz - (cp1 - cp) + 1);
246 if (sz <= 10 + 4) {
247 strcat(cp, " ");
248 strcat(cp, cp2 + 3);
249 }
250 free(cp2);
251 }
252 }
253
254 /*
255 * Convert "name irqN" to "name N" if the former is
256 * longer than the field width.
257 */
258 if ((cp1 = strstr(cp, "irq")) != NULL &&
259 strlen(cp) > 10)
260 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1);
261
262 intrname[i] = cp;
263 cp = nextcp;
264 }
265 nextintsrow = INTSROW + 2;
266 allocinfo(&s);
267 allocinfo(&s1);
268 allocinfo(&s2);
269 allocinfo(&z);
270 }
271 GETSYSCTL("vm.kmem_size", kmem_size);
272 GETSYSCTL("vm.stats.vm.v_page_count", v_page_count);
273 getinfo(&s2);
274 copyinfo(&s2, &s1);
275 return(1);
276 }
277
278 void
fetchkre(void)279 fetchkre(void)
280 {
281 time_t now;
282 struct tm *tp;
283 static int d_first = -1;
284
285 if (d_first < 0)
286 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
287
288 time(&now);
289 tp = localtime(&now);
290 (void) strftime(buf, sizeof(buf),
291 d_first ? "%e %b %T" : "%b %e %T", tp);
292 getinfo(&s);
293 }
294
295 void
labelkre(void)296 labelkre(void)
297 {
298 int i, j;
299
300 clear();
301 mvprintw(STATROW, STATCOL + 6, "users Load");
302 mvprintw(STATROW + 1, STATCOL + 3, "Mem usage: %%Phy %%Kmem");
303 mvprintw(MEMROW, MEMCOL, "Mem: REAL VIRTUAL");
304 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
305 mvprintw(MEMROW + 2, MEMCOL, "Act");
306 mvprintw(MEMROW + 3, MEMCOL, "All");
307
308 mvprintw(MEMROW + 1, MEMCOL + 40, "Free");
309
310 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER");
311 mvprintw(PAGEROW + 1, PAGECOL, " in out in out");
312 mvprintw(PAGEROW + 2, PAGECOL, "count");
313 mvprintw(PAGEROW + 3, PAGECOL, "pages");
314
315 mvprintw(INTSROW, INTSCOL + 1, "Interrupts");
316 mvprintw(INTSROW + 1, INTSCOL + 6, "total");
317
318 mvprintw(VMSTATROW, VMSTATCOL + 6, "ioflt");
319 mvprintw(VMSTATROW + 1, VMSTATCOL + 6, "cow");
320 mvprintw(VMSTATROW + 2, VMSTATCOL + 6, "zfod");
321 mvprintw(VMSTATROW + 3, VMSTATCOL + 6, "ozfod");
322 mvprintw(VMSTATROW + 4, VMSTATCOL + 6 - 1, "%%ozfod");
323 mvprintw(VMSTATROW + 5, VMSTATCOL + 6, "daefr");
324 mvprintw(VMSTATROW + 6, VMSTATCOL + 6, "prcfr");
325 mvprintw(VMSTATROW + 7, VMSTATCOL + 6, "totfr");
326 mvprintw(VMSTATROW + 8, VMSTATCOL + 6, "react");
327 mvprintw(VMSTATROW + 9, VMSTATCOL + 6, "pdwak");
328 mvprintw(VMSTATROW + 10, VMSTATCOL + 6, "pdpgs");
329 mvprintw(VMSTATROW + 11, VMSTATCOL + 6, "intrn");
330 mvprintw(VMSTATROW + 12, VMSTATCOL + 6, "wire");
331 mvprintw(VMSTATROW + 13, VMSTATCOL + 6, "act");
332 mvprintw(VMSTATROW + 14, VMSTATCOL + 6, "inact");
333 mvprintw(VMSTATROW + 15, VMSTATCOL + 6, "laund");
334 mvprintw(VMSTATROW + 16, VMSTATCOL + 6, "free");
335 if (LINES - 1 > VMSTATROW + 17)
336 mvprintw(VMSTATROW + 17, VMSTATCOL + 6, "buf");
337
338 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
339
340 mvprintw(GRAPHROW, GRAPHCOL,
341 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
342 mvprintw(PROCSROW, PROCSCOL, "Proc:");
343 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w");
344 mvprintw(GRAPHROW + 1, GRAPHCOL,
345 "| | | | | | | | | | |");
346
347 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf");
348 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "maxvn");
349 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn");
350 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn");
351
352 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
353 mvprintw(NAMEIROW + 1, NAMEICOL,
354 " Calls hits %% hits %%");
355 dslabel(MAXDRIVES, DISKCOL, DISKROW);
356
357 for (i = 0; i < nintr; i++) {
358 if (intrloc[i] == 0)
359 continue;
360 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]);
361 }
362 }
363
364 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
365 #define Q(fld) {t=cur_dev.fld[i]; cur_dev.fld[i]-=last_dev.fld[i]; if(state==TIME) last_dev.fld[i]=t;}
366 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
367 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
368 if(state == TIME) s1.nchstats.fld = t;}
369 #define PUTRATE(fld, l, c, w) \
370 do { \
371 Y(fld); \
372 sysputwuint64(wnd, l, c, w, (s.fld/etime + 0.5), 0); \
373 } while (0)
374 #define MAXFAIL 5
375
376 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
377 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
378 CP_IDLE };
379
380 void
showkre(void)381 showkre(void)
382 {
383 float f1, f2;
384 int psiz, inttotal;
385 int i, l, lc;
386 static int failcnt = 0;
387
388 etime = 0;
389 for(i = 0; i < CPUSTATES; i++) {
390 X(time);
391 Q(cp_time);
392 etime += s.time[i];
393 }
394 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
395 if (failcnt++ >= MAXFAIL) {
396 clear();
397 mvprintw(2, 10, "The alternate system clock has died!");
398 mvprintw(3, 10, "Reverting to ``pigs'' display.");
399 move(CMDLINE, 0);
400 refresh();
401 failcnt = 0;
402 sleep(5);
403 command("pigs");
404 }
405 return;
406 }
407 failcnt = 0;
408 etime /= hertz;
409 etime /= ncpu;
410 inttotal = 0;
411 for (i = 0; i < nintr; i++) {
412 if (s.intrcnt[i] == 0)
413 continue;
414 X(intrcnt);
415 l = (int)((float)s.intrcnt[i]/etime + 0.5);
416 inttotal += l;
417 if (intrloc[i] == 0) {
418 if (nextintsrow == LINES)
419 continue;
420 intrloc[i] = nextintsrow++;
421 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s",
422 intrname[i]);
423 }
424 putint(l, intrloc[i], INTSCOL, 5);
425 }
426 putint(inttotal, INTSROW + 1, INTSCOL, 5);
427 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
428 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
429 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
430 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
431 if (state == TIME)
432 s1.nchcount = s.nchcount;
433
434 psiz = 0;
435 f2 = 0.0;
436 for (lc = 0; lc < CPUSTATES; lc++) {
437 i = cpuorder[lc];
438 f1 = cputime(i);
439 f2 += f1;
440 l = (int) ((f2 + 1.0) / 2.0) - psiz;
441 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
442 move(GRAPHROW + 2, psiz);
443 psiz += l;
444 while (l-- > 0)
445 addch(cpuchar[lc]);
446 }
447
448 putint(ucount(), STATROW, STATCOL, 5);
449 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0);
450 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0);
451 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0);
452 mvaddstr(STATROW, STATCOL + 55, buf);
453 putfloat(100.0 * (v_page_count - total.t_free) / v_page_count,
454 STATROW + 1, STATCOL + 15, 2, 0, 1);
455 putfloat(100.0 * s.v_kmem_map_size / kmem_size,
456 STATROW + 1, STATCOL + 22, 2, 0, 1);
457
458 sysputpage(wnd, MEMROW + 2, MEMCOL + 4, 6, total.t_arm, 0);
459 sysputpage(wnd, MEMROW + 2, MEMCOL + 12, 6, total.t_armshr, 0);
460 sysputpage(wnd, MEMROW + 2, MEMCOL + 20, 6, total.t_avm, 0);
461 sysputpage(wnd, MEMROW + 2, MEMCOL + 29, 6, total.t_avmshr, 0);
462 sysputpage(wnd, MEMROW + 3, MEMCOL + 4, 6, total.t_rm, 0);
463 sysputpage(wnd, MEMROW + 3, MEMCOL + 12, 6, total.t_rmshr, 0);
464 sysputpage(wnd, MEMROW + 3, MEMCOL + 20, 6, total.t_vm, 0);
465 sysputpage(wnd, MEMROW + 3, MEMCOL + 29, 6, total.t_vmshr, 0);
466 sysputpage(wnd, MEMROW + 2, MEMCOL + 38, 6, total.t_free, 0);
467 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3);
468 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3);
469 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3);
470 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 4);
471 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 17, 3);
472 PUTRATE(v_io_faults, VMSTATROW, VMSTATCOL, 5);
473 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL, 5);
474 PUTRATE(v_zfod, VMSTATROW + 2, VMSTATCOL, 5);
475 PUTRATE(v_ozfod, VMSTATROW + 3, VMSTATCOL, 5);
476 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0,
477 VMSTATROW + 4, VMSTATCOL, 5);
478 PUTRATE(v_dfree, VMSTATROW + 5, VMSTATCOL, 5);
479 PUTRATE(v_pfree, VMSTATROW + 6, VMSTATCOL, 5);
480 PUTRATE(v_tfree, VMSTATROW + 7, VMSTATCOL, 5);
481 PUTRATE(v_reactivated, VMSTATROW + 8, VMSTATCOL, 5);
482 PUTRATE(v_pdwakeups, VMSTATROW + 9, VMSTATCOL, 5);
483 PUTRATE(v_pdpages, VMSTATROW + 10, VMSTATCOL, 5);
484 PUTRATE(v_intrans, VMSTATROW + 11, VMSTATCOL, 5);
485 sysputpage(wnd, VMSTATROW + 12, VMSTATCOL, 5, s.v_wire_count, 0);
486 sysputpage(wnd, VMSTATROW + 13, VMSTATCOL, 5, s.v_active_count, 0);
487 sysputpage(wnd, VMSTATROW + 14, VMSTATCOL, 5, s.v_inactive_count, 0);
488 sysputpage(wnd, VMSTATROW + 15, VMSTATCOL, 5, s.v_laundry_count, 0);
489 sysputpage(wnd, VMSTATROW + 16, VMSTATCOL, 5, s.v_free_count, 0);
490 if (LINES - 1 > VMSTATROW + 17)
491 sysputuint64(wnd, VMSTATROW + 17, VMSTATCOL, 5, s.bufspace, 0);
492 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5);
493 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5);
494 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5);
495 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5);
496 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5);
497 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5);
498 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5);
499 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5);
500 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4);
501 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4);
502 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4);
503 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4);
504 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4);
505 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4);
506 switch(state) {
507 case TIME:
508 dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, &last_dev);
509 break;
510 case RUN:
511 dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, &run_dev);
512 break;
513 case BOOT:
514 dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, NULL);
515 break;
516 }
517 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
518 putint(s.maxvnodes, VNSTATROW + 1, VNSTATCOL, 7);
519 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
520 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7);
521 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8);
522 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
523 NAMEIROW + 2, NAMEICOL + 9, 7);
524 #define nz(x) ((x) ? (x) : 1)
525 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
526 100.0 / nz(s.nchcount),
527 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1);
528 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7);
529 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
530 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1);
531 #undef nz
532 }
533
534 int
cmdkre(const char * cmd,const char * args)535 cmdkre(const char *cmd, const char *args)
536 {
537 int retval;
538
539 if (prefix(cmd, "run")) {
540 retval = 1;
541 copyinfo(&s2, &s1);
542 switch (devstat_getdevs(NULL, &run_dev)) {
543 case -1:
544 errx(1, "%s", devstat_errbuf);
545 break;
546 case 1:
547 num_devices = run_dev.dinfo->numdevs;
548 generation = run_dev.dinfo->generation;
549 retval = dscmd("refresh", NULL, MAXDRIVES, &cur_dev);
550 if (retval == 2)
551 labelkre();
552 break;
553 default:
554 break;
555 }
556 state = RUN;
557 return (retval);
558 }
559 if (prefix(cmd, "boot")) {
560 state = BOOT;
561 copyinfo(&z, &s1);
562 return (1);
563 }
564 if (prefix(cmd, "time")) {
565 state = TIME;
566 return (1);
567 }
568 if (prefix(cmd, "zero")) {
569 retval = 1;
570 if (state == RUN) {
571 getinfo(&s1);
572 switch (devstat_getdevs(NULL, &run_dev)) {
573 case -1:
574 errx(1, "%s", devstat_errbuf);
575 break;
576 case 1:
577 num_devices = run_dev.dinfo->numdevs;
578 generation = run_dev.dinfo->generation;
579 retval = dscmd("refresh",NULL, MAXDRIVES, &cur_dev);
580 if (retval == 2)
581 labelkre();
582 break;
583 default:
584 break;
585 }
586 }
587 return (retval);
588 }
589 retval = dscmd(cmd, args, MAXDRIVES, &cur_dev);
590
591 if (retval == 2)
592 labelkre();
593
594 return(retval);
595 }
596
597 /* calculate number of users on the system */
598 static int
ucount(void)599 ucount(void)
600 {
601 int nusers = 0;
602 struct utmpx *ut;
603
604 setutxent();
605 while ((ut = getutxent()) != NULL)
606 if (ut->ut_type == USER_PROCESS)
607 nusers++;
608 endutxent();
609
610 return (nusers);
611 }
612
613 static float
cputime(int indx)614 cputime(int indx)
615 {
616 double lt;
617 int i;
618
619 lt = 0;
620 for (i = 0; i < CPUSTATES; i++)
621 lt += s.time[i];
622 if (lt == 0.0)
623 lt = 1.0;
624 return (s.time[indx] * 100.0 / lt);
625 }
626
627 void
putint(int n,int l,int lc,int w)628 putint(int n, int l, int lc, int w)
629 {
630
631 do_putuint64(n, l, lc, w, SI);
632 }
633
634 static void
putuint64(uint64_t n,int l,int lc,int w)635 putuint64(uint64_t n, int l, int lc, int w)
636 {
637
638 do_putuint64(n, l, lc, w, IEC);
639 }
640
641 static void
do_putuint64(uint64_t n,int l,int lc,int w,int div)642 do_putuint64(uint64_t n, int l, int lc, int w, int div)
643 {
644 int snr;
645 char b[128];
646 char buf[128];
647
648 move(l, lc);
649 #ifdef DEBUG
650 while (w-- > 0)
651 addch('*');
652 return;
653 #endif
654 if (n == 0) {
655 while (w-- > 0)
656 addch(' ');
657 return;
658 }
659 snr = snprintf(b, sizeof(b), "%*ju", w, (uintmax_t)n);
660 if (snr != w) {
661 humanize_number(buf, w, n, "", HN_AUTOSCALE,
662 HN_NOSPACE | HN_DECIMAL | div);
663 snr = snprintf(b, sizeof(b), "%*s", w, buf);
664 }
665 if (snr != w) {
666 while (w-- > 0)
667 addch('*');
668 return;
669 }
670 addstr(b);
671 }
672
673 void
putfloat(double f,int l,int lc,int w,int d,int nz)674 putfloat(double f, int l, int lc, int w, int d, int nz)
675 {
676 int snr;
677 char b[128];
678
679 move(l, lc);
680 #ifdef DEBUG
681 while (--w >= 0)
682 addch('*');
683 return;
684 #endif
685 if (nz && f == 0.0) {
686 while (--w >= 0)
687 addch(' ');
688 return;
689 }
690 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f);
691 if (snr != w)
692 snr = snprintf(b, sizeof(b), "%*.0f", w, f);
693 if (snr != w)
694 snr = snprintf(b, sizeof(b), "%*.0fk", w - 1, f / 1000);
695 if (snr != w)
696 snr = snprintf(b, sizeof(b), "%*.0fM", w - 1, f / 1000000);
697 if (snr != w) {
698 while (--w >= 0)
699 addch('*');
700 return;
701 }
702 addstr(b);
703 }
704
705 void
putlongdouble(long double f,int l,int lc,int w,int d,int nz)706 putlongdouble(long double f, int l, int lc, int w, int d, int nz)
707 {
708 int snr;
709 char b[128];
710
711 move(l, lc);
712 #ifdef DEBUG
713 while (--w >= 0)
714 addch('*');
715 return;
716 #endif
717 if (nz && f == 0.0) {
718 while (--w >= 0)
719 addch(' ');
720 return;
721 }
722 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f);
723 if (snr != w)
724 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f);
725 if (snr != w)
726 snr = snprintf(b, sizeof(b), "%*.0Lfk", w - 1, f / 1000);
727 if (snr != w)
728 snr = snprintf(b, sizeof(b), "%*.0LfM", w - 1, f / 1000000);
729 if (snr != w) {
730 while (--w >= 0)
731 addch('*');
732 return;
733 }
734 addstr(b);
735 }
736
737 static void
getinfo(struct Info * ls)738 getinfo(struct Info *ls)
739 {
740 struct devinfo *tmp_dinfo;
741 size_t size;
742 int mib[2];
743
744 GETSYSCTL("kern.cp_time", ls->time);
745 GETSYSCTL("kern.cp_time", cur_dev.cp_time);
746 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
747 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
748 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
749 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr);
750 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft);
751 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults);
752 GETSYSCTL("vm.stats.vm.v_io_faults", ls->v_io_faults);
753 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults);
754 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod);
755 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod);
756 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin);
757 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout);
758 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin);
759 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout);
760 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein);
761 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout);
762 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin);
763 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout);
764 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans);
765 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated);
766 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups);
767 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages);
768 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree);
769 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree);
770 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree);
771 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count);
772 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count);
773 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count);
774 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count);
775 GETSYSCTL("vm.stats.vm.v_laundry_count", ls->v_laundry_count);
776 GETSYSCTL("vfs.bufspace", ls->bufspace);
777 GETSYSCTL("kern.maxvnodes", ls->maxvnodes);
778 GETSYSCTL("vfs.numvnodes", ls->numvnodes);
779 GETSYSCTL("vfs.freevnodes", ls->freevnodes);
780 GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
781 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
782 GETSYSCTL("vm.kmem_map_size", ls->v_kmem_map_size);
783 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
784
785 size = sizeof(ls->Total);
786 mib[0] = CTL_VM;
787 mib[1] = VM_TOTAL;
788 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) {
789 error("Can't get kernel info: %s\n", strerror(errno));
790 bzero(&ls->Total, sizeof(ls->Total));
791 }
792 size = sizeof(ncpu);
793 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 ||
794 size != sizeof(ncpu))
795 ncpu = 1;
796
797 tmp_dinfo = last_dev.dinfo;
798 last_dev.dinfo = cur_dev.dinfo;
799 cur_dev.dinfo = tmp_dinfo;
800
801 last_dev.snap_time = cur_dev.snap_time;
802 dsgetinfo(&cur_dev);
803 }
804
805 static void
allocinfo(struct Info * ls)806 allocinfo(struct Info *ls)
807 {
808
809 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
810 if (ls->intrcnt == NULL)
811 errx(2, "out of memory");
812 }
813
814 static void
copyinfo(struct Info * from,struct Info * to)815 copyinfo(struct Info *from, struct Info *to)
816 {
817 long *intrcnt;
818
819 /*
820 * time, wds, seek, and xfer are malloc'd so we have to
821 * save the pointers before the structure copy and then
822 * copy by hand.
823 */
824 intrcnt = to->intrcnt;
825 *to = *from;
826
827 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
828 }
829