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