Deleted Added
full compact
vmstat.c (200462) vmstat.c (202200)
1/*-
2 * Copyright (c) 1983, 1989, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35
1/*-
2 * Copyright (c) 1983, 1989, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35
36__FBSDID("$FreeBSD: head/usr.bin/systat/vmstat.c 200462 2009-12-13 03:14:06Z delphij $");
36__FBSDID("$FreeBSD: head/usr.bin/systat/vmstat.c 202200 2010-01-13 18:09:54Z ed $");
37
38#ifdef lint
39static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
40#endif
41
42/*
43 * Cursed vmstat -- from Robert Elz.
44 */
45
46#include <sys/param.h>
47#include <sys/stat.h>
48#include <sys/time.h>
49#include <sys/proc.h>
50#include <sys/uio.h>
51#include <sys/namei.h>
52#include <sys/resource.h>
53#include <sys/sysctl.h>
54#include <sys/vmmeter.h>
55
56#include <vm/vm_param.h>
57
58#include <ctype.h>
59#include <err.h>
60#include <errno.h>
61#include <langinfo.h>
62#include <nlist.h>
63#include <paths.h>
64#include <signal.h>
65#include <stdlib.h>
66#include <string.h>
67#include <time.h>
37
38#ifdef lint
39static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
40#endif
41
42/*
43 * Cursed vmstat -- from Robert Elz.
44 */
45
46#include <sys/param.h>
47#include <sys/stat.h>
48#include <sys/time.h>
49#include <sys/proc.h>
50#include <sys/uio.h>
51#include <sys/namei.h>
52#include <sys/resource.h>
53#include <sys/sysctl.h>
54#include <sys/vmmeter.h>
55
56#include <vm/vm_param.h>
57
58#include <ctype.h>
59#include <err.h>
60#include <errno.h>
61#include <langinfo.h>
62#include <nlist.h>
63#include <paths.h>
64#include <signal.h>
65#include <stdlib.h>
66#include <string.h>
67#include <time.h>
68#define _ULOG_POSIX_NAMES
69#include <ulog.h>
70#include <unistd.h>
68#include <unistd.h>
69#include <utmpx.h>
71#include <devstat.h>
72#include "systat.h"
73#include "extern.h"
74#include "devs.h"
75
76static struct Info {
77 long time[CPUSTATES];
78 u_int v_swtch; /* context switches */
79 u_int v_trap; /* calls to trap */
80 u_int v_syscall; /* calls to syscall() */
81 u_int v_intr; /* device interrupts */
82 u_int v_soft; /* software interrupts */
83 /*
84 * Virtual memory activity.
85 */
86 u_int v_vm_faults; /* number of address memory faults */
87 u_int v_cow_faults; /* number of copy-on-writes */
88 u_int v_zfod; /* pages zero filled on demand */
89 u_int v_ozfod; /* optimized zero fill pages */
90 u_int v_swapin; /* swap pager pageins */
91 u_int v_swapout; /* swap pager pageouts */
92 u_int v_swappgsin; /* swap pager pages paged in */
93 u_int v_swappgsout; /* swap pager pages paged out */
94 u_int v_vnodein; /* vnode pager pageins */
95 u_int v_vnodeout; /* vnode pager pageouts */
96 u_int v_vnodepgsin; /* vnode_pager pages paged in */
97 u_int v_vnodepgsout; /* vnode pager pages paged out */
98 u_int v_intrans; /* intransit blocking page faults */
99 u_int v_reactivated; /* number of pages reactivated from free list */
100 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */
101 u_int v_pdpages; /* number of pages analyzed by daemon */
102
103 u_int v_dfree; /* pages freed by daemon */
104 u_int v_pfree; /* pages freed by exiting processes */
105 u_int v_tfree; /* total pages freed */
106 /*
107 * Distribution of page usages.
108 */
109 u_int v_page_size; /* page size in bytes */
110 u_int v_free_count; /* number of pages free */
111 u_int v_wire_count; /* number of pages wired down */
112 u_int v_active_count; /* number of pages active */
113 u_int v_inactive_count; /* number of pages inactive */
114 u_int v_cache_count; /* number of pages on buffer cache queue */
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
126struct statinfo cur, last, run;
127
128#define total s.Total
129#define nchtotal s.nchstats
130#define oldnchtotal s1.nchstats
131
132static enum state { BOOT, TIME, RUN } state = TIME;
133
134static void allocinfo(struct Info *);
135static void copyinfo(struct Info *, struct Info *);
136static float cputime(int);
137static void dinfo(int, int, struct statinfo *, struct statinfo *);
138static void getinfo(struct Info *);
139static void putint(int, int, int, int);
140static void putfloat(double, int, int, int, int, int);
141static void putlongdouble(long double, int, int, int, int, int);
142static int ucount(void);
143
144static int ncpu;
145static char buf[26];
146static time_t t;
147static double etime;
148static int nintr;
149static long *intrloc;
150static char **intrname;
151static int nextintsrow;
152
153WINDOW *
154openkre(void)
155{
156
157 return (stdscr);
158}
159
160void
161closekre(WINDOW *w)
162{
163
164 if (w == NULL)
165 return;
166 wclear(w);
167 wrefresh(w);
168}
169
170/*
171 * These constants define where the major pieces are laid out
172 */
173#define STATROW 0 /* uses 1 row and 67 cols */
174#define STATCOL 0
175#define MEMROW 2 /* uses 4 rows and 45 cols */
176#define MEMCOL 0
177#define PAGEROW 2 /* uses 4 rows and 30 cols */
178#define PAGECOL 47
179#define INTSROW 6 /* uses all rows to bottom and 16 cols */
180#define INTSCOL 64
181#define PROCSROW 6 /* uses 3 rows and 19 cols */
182#define PROCSCOL 0
183#define GENSTATROW 7 /* uses 2 rows and 29 cols */
184#define GENSTATCOL 21
185#define VMSTATROW 7 /* uses 17 rows and 12-14 cols */
186#define VMSTATCOL 49 /* actually 50-51 for some fields */
187#define GRAPHROW 10 /* uses 3 rows and 49-51 cols */
188#define GRAPHCOL 0
189#define VNSTATROW 13 /* uses 4 rows and 13 columns */
190#define VNSTATCOL 35
191#define NAMEIROW 14 /* uses 3 rows and 32 cols */
192#define NAMEICOL 0
193#define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
194#define DISKCOL 0
195
196#define DRIVESPACE 7 /* max # for space */
197
198#define MAXDRIVES DRIVESPACE /* max # to display */
199
200int
201initkre(void)
202{
203 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
204 int i;
205 size_t sz;
206
207 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
208 warnx("%s", devstat_errbuf);
209 return(0);
210 }
211
212 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
213 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
214 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
215 bzero(cur.dinfo, sizeof(struct devinfo));
216 bzero(last.dinfo, sizeof(struct devinfo));
217 bzero(run.dinfo, sizeof(struct devinfo));
218
219 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
220 return(0);
221
222 if (nintr == 0) {
223 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) {
224 error("sysctl(hw.intrcnt...) failed: %s",
225 strerror(errno));
226 return (0);
227 }
228 nintr = sz / sizeof(u_long);
229 intrloc = calloc(nintr, sizeof (long));
230 intrname = calloc(nintr, sizeof (char *));
231 intrnamebuf = sysctl_dynread("hw.intrnames", NULL);
232 if (intrnamebuf == NULL || intrname == NULL ||
233 intrloc == NULL) {
234 error("Out of memory");
235 if (intrnamebuf)
236 free(intrnamebuf);
237 if (intrname)
238 free(intrname);
239 if (intrloc)
240 free(intrloc);
241 nintr = 0;
242 return(0);
243 }
244 for (cp = intrnamebuf, i = 0; i < nintr; i++) {
245 nextcp = cp + strlen(cp) + 1;
246
247 /* Discard trailing spaces. */
248 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; )
249 *--cp1 = '\0';
250
251 /* Convert "irqN: name" to "name irqN". */
252 if (strncmp(cp, "irq", 3) == 0) {
253 cp1 = cp + 3;
254 while (isdigit((u_char)*cp1))
255 cp1++;
256 if (cp1 != cp && *cp1 == ':' &&
257 *(cp1 + 1) == ' ') {
258 *cp1 = '\0';
259 cp1 = cp1 + 2;
260 cp2 = strdup(cp);
261 bcopy(cp1, cp, strlen(cp1) + 1);
262 strcat(cp, " ");
263 strcat(cp, cp2);
264 free(cp2);
265 }
266 }
267
268 /*
269 * Convert "name irqN" to "name N" if the former is
270 * longer than the field width.
271 */
272 if ((cp1 = strstr(cp, "irq")) != NULL &&
273 strlen(cp) > 10)
274 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1);
275
276 intrname[i] = cp;
277 cp = nextcp;
278 }
279 nextintsrow = INTSROW + 2;
280 allocinfo(&s);
281 allocinfo(&s1);
282 allocinfo(&s2);
283 allocinfo(&z);
284 }
285 getinfo(&s2);
286 copyinfo(&s2, &s1);
287 return(1);
288}
289
290void
291fetchkre(void)
292{
293 time_t now;
294 struct tm *tp;
295 static int d_first = -1;
296
297 if (d_first < 0)
298 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
299
300 time(&now);
301 tp = localtime(&now);
302 (void) strftime(buf, sizeof(buf),
303 d_first ? "%e %b %R" : "%b %e %R", tp);
304 getinfo(&s);
305}
306
307void
308labelkre(void)
309{
310 int i, j;
311
312 clear();
313 mvprintw(STATROW, STATCOL + 6, "users Load");
314 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
315 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
316 mvprintw(MEMROW + 2, MEMCOL, "Act");
317 mvprintw(MEMROW + 3, MEMCOL, "All");
318
319 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
320
321 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER");
322 mvprintw(PAGEROW + 1, PAGECOL, " in out in out");
323 mvprintw(PAGEROW + 2, PAGECOL, "count");
324 mvprintw(PAGEROW + 3, PAGECOL, "pages");
325
326 mvprintw(INTSROW, INTSCOL + 1, "Interrupts");
327 mvprintw(INTSROW + 1, INTSCOL + 6, "total");
328
329 mvprintw(VMSTATROW, VMSTATCOL + 9, "cow");
330 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "zfod");
331 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "ozfod");
332 mvprintw(VMSTATROW + 3, VMSTATCOL + 9 - 1, "%%ozfod");
333 mvprintw(VMSTATROW + 4, VMSTATCOL + 9, "daefr");
334 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "prcfr");
335 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "totfr");
336 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "react");
337 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "pdwak");
338 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdpgs");
339 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "intrn");
340 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "wire");
341 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "act");
342 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "inact");
343 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "cache");
344 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "free");
345 if (LINES - 1 > VMSTATROW + 16)
346 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "buf");
347
348 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
349
350 mvprintw(GRAPHROW, GRAPHCOL,
351 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
352 mvprintw(PROCSROW, PROCSCOL, "Proc:");
353 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w");
354 mvprintw(GRAPHROW + 1, GRAPHCOL,
355 "| | | | | | | | | | |");
356
357 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf");
358 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn");
359 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn");
360 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn");
361
362 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
363 mvprintw(NAMEIROW + 1, NAMEICOL,
364 " Calls hits %% hits %%");
365 mvprintw(DISKROW, DISKCOL, "Disks");
366 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
367 mvprintw(DISKROW + 2, DISKCOL, "tps");
368 mvprintw(DISKROW + 3, DISKCOL, "MB/s");
369 mvprintw(DISKROW + 4, DISKCOL, "%%busy");
370 /*
371 * For now, we don't support a fourth disk statistic. So there's
372 * no point in providing a label for it. If someone can think of a
373 * fourth useful disk statistic, there is room to add it.
374 */
375 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
376 j = 0;
377 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
378 if (dev_select[i].selected) {
379 char tmpstr[80];
380 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
381 dev_select[i].unit_number);
382 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
383 " %5.5s", tmpstr);
384 j++;
385 }
386
387 for (i = 0; i < nintr; i++) {
388 if (intrloc[i] == 0)
389 continue;
390 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]);
391 }
392}
393
394#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
395#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
396#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
397#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
398 if(state == TIME) s1.nchstats.fld = t;}
399#define PUTRATE(fld, l, c, w) \
400do { \
401 Y(fld); \
402 putint((int)((float)s.fld/etime + 0.5), l, c, w); \
403} while (0)
404#define MAXFAIL 5
405
406static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
407static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
408 CP_IDLE };
409
410void
411showkre(void)
412{
413 float f1, f2;
414 int psiz, inttotal;
415 int i, l, lc;
416 static int failcnt = 0;
417
418 etime = 0;
419 for(i = 0; i < CPUSTATES; i++) {
420 X(time);
421 Q(cp_time);
422 etime += s.time[i];
423 }
424 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
425 if (failcnt++ >= MAXFAIL) {
426 clear();
427 mvprintw(2, 10, "The alternate system clock has died!");
428 mvprintw(3, 10, "Reverting to ``pigs'' display.");
429 move(CMDLINE, 0);
430 refresh();
431 failcnt = 0;
432 sleep(5);
433 command("pigs");
434 }
435 return;
436 }
437 failcnt = 0;
438 etime /= hertz;
439 etime /= ncpu;
440 inttotal = 0;
441 for (i = 0; i < nintr; i++) {
442 if (s.intrcnt[i] == 0)
443 continue;
444 if (intrloc[i] == 0) {
445 if (nextintsrow == LINES)
446 continue;
447 intrloc[i] = nextintsrow++;
448 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s",
449 intrname[i]);
450 }
451 X(intrcnt);
452 l = (int)((float)s.intrcnt[i]/etime + 0.5);
453 inttotal += l;
454 putint(l, intrloc[i], INTSCOL, 5);
455 }
456 putint(inttotal, INTSROW + 1, INTSCOL, 5);
457 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
458 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
459 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
460 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
461 if (state == TIME)
462 s1.nchcount = s.nchcount;
463
464 psiz = 0;
465 f2 = 0.0;
466 for (lc = 0; lc < CPUSTATES; lc++) {
467 i = cpuorder[lc];
468 f1 = cputime(i);
469 f2 += f1;
470 l = (int) ((f2 + 1.0) / 2.0) - psiz;
471 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
472 move(GRAPHROW + 2, psiz);
473 psiz += l;
474 while (l-- > 0)
475 addch(cpuchar[lc]);
476 }
477
478 putint(ucount(), STATROW, STATCOL, 5);
479 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0);
480 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0);
481 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0);
482 mvaddstr(STATROW, STATCOL + 55, buf);
483#define pgtokb(pg) ((pg) * (s.v_page_size / 1024))
484 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7);
485 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7);
486 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8);
487 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8);
488 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7);
489 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7);
490 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8);
491 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8);
492 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7);
493 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3);
494 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3);
495 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3);
496 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3);
497 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3);
498 PUTRATE(v_cow_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2);
499 PUTRATE(v_zfod, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2);
500 PUTRATE(v_ozfod, VMSTATROW + 2, VMSTATCOL, 8);
501 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0,
502 VMSTATROW + 3, VMSTATCOL + 1, 8 - 1);
503 PUTRATE(v_dfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2);
504 PUTRATE(v_pfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2);
505 PUTRATE(v_tfree, VMSTATROW + 6, VMSTATCOL, 8);
506 PUTRATE(v_reactivated, VMSTATROW + 7, VMSTATCOL, 8);
507 PUTRATE(v_pdwakeups, VMSTATROW + 8, VMSTATCOL, 8);
508 PUTRATE(v_pdpages, VMSTATROW + 9, VMSTATCOL, 8);
509 PUTRATE(v_intrans, VMSTATROW + 10, VMSTATCOL, 8);
510 putint(pgtokb(s.v_wire_count), VMSTATROW + 11, VMSTATCOL, 8);
511 putint(pgtokb(s.v_active_count), VMSTATROW + 12, VMSTATCOL, 8);
512 putint(pgtokb(s.v_inactive_count), VMSTATROW + 13, VMSTATCOL, 8);
513 putint(pgtokb(s.v_cache_count), VMSTATROW + 14, VMSTATCOL, 8);
514 putint(pgtokb(s.v_free_count), VMSTATROW + 15, VMSTATCOL, 8);
515 if (LINES - 1 > VMSTATROW + 16)
516 putint(s.bufspace / 1024, VMSTATROW + 16, VMSTATCOL, 8);
517 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5);
518 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5);
519 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5);
520 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5);
521 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5);
522 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5);
523 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5);
524 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5);
525 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4);
526 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4);
527 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4);
528 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4);
529 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4);
530 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4);
531 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
532 if (dev_select[i].selected) {
533 switch(state) {
534 case TIME:
535 dinfo(i, ++lc, &cur, &last);
536 break;
537 case RUN:
538 dinfo(i, ++lc, &cur, &run);
539 break;
540 case BOOT:
541 dinfo(i, ++lc, &cur, NULL);
542 break;
543 }
544 }
545 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
546 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7);
547 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
548 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7);
549 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8);
550 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
551 NAMEIROW + 2, NAMEICOL + 9, 7);
552#define nz(x) ((x) ? (x) : 1)
553 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
554 100.0 / nz(s.nchcount),
555 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1);
556 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7);
557 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
558 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1);
559#undef nz
560}
561
562int
563cmdkre(const char *cmd, const char *args)
564{
565 int retval;
566
567 if (prefix(cmd, "run")) {
568 retval = 1;
569 copyinfo(&s2, &s1);
570 switch (devstat_getdevs(NULL, &run)) {
571 case -1:
572 errx(1, "%s", devstat_errbuf);
573 break;
574 case 1:
575 num_devices = run.dinfo->numdevs;
576 generation = run.dinfo->generation;
577 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
578 if (retval == 2)
579 labelkre();
580 break;
581 default:
582 break;
583 }
584 state = RUN;
585 return (retval);
586 }
587 if (prefix(cmd, "boot")) {
588 state = BOOT;
589 copyinfo(&z, &s1);
590 return (1);
591 }
592 if (prefix(cmd, "time")) {
593 state = TIME;
594 return (1);
595 }
596 if (prefix(cmd, "zero")) {
597 retval = 1;
598 if (state == RUN) {
599 getinfo(&s1);
600 switch (devstat_getdevs(NULL, &run)) {
601 case -1:
602 errx(1, "%s", devstat_errbuf);
603 break;
604 case 1:
605 num_devices = run.dinfo->numdevs;
606 generation = run.dinfo->generation;
607 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
608 if (retval == 2)
609 labelkre();
610 break;
611 default:
612 break;
613 }
614 }
615 return (retval);
616 }
617 retval = dscmd(cmd, args, MAXDRIVES, &cur);
618
619 if (retval == 2)
620 labelkre();
621
622 return(retval);
623}
624
625/* calculate number of users on the system */
626static int
627ucount(void)
628{
629 int nusers = 0;
630 struct utmpx *ut;
631
632 setutxent();
633 while ((ut = getutxent()) != NULL)
634 if (ut->ut_type == USER_PROCESS)
635 nusers++;
636 endutxent();
637
638 return (nusers);
639}
640
641static float
642cputime(int indx)
643{
644 double lt;
645 int i;
646
647 lt = 0;
648 for (i = 0; i < CPUSTATES; i++)
649 lt += s.time[i];
650 if (lt == 0.0)
651 lt = 1.0;
652 return (s.time[indx] * 100.0 / lt);
653}
654
655static void
656putint(int n, int l, int lc, int w)
657{
658 int snr;
659 char b[128];
660
661 move(l, lc);
662#ifdef DEBUG
663 while (w-- > 0)
664 addch('*');
665 return;
666#endif
667 if (n == 0) {
668 while (w-- > 0)
669 addch(' ');
670 return;
671 }
672 snr = snprintf(b, sizeof(b), "%*d", w, n);
673 if (snr != w)
674 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000);
675 if (snr != w)
676 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000);
677 if (snr != w) {
678 while (w-- > 0)
679 addch('*');
680 return;
681 }
682 addstr(b);
683}
684
685static void
686putfloat(double f, int l, int lc, int w, int d, int nz)
687{
688 int snr;
689 char b[128];
690
691 move(l, lc);
692#ifdef DEBUG
693 while (--w >= 0)
694 addch('*');
695 return;
696#endif
697 if (nz && f == 0.0) {
698 while (--w >= 0)
699 addch(' ');
700 return;
701 }
702 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f);
703 if (snr != w)
704 snr = snprintf(b, sizeof(b), "%*.0f", w, f);
705 if (snr != w) {
706 while (--w >= 0)
707 addch('*');
708 return;
709 }
710 addstr(b);
711}
712
713static void
714putlongdouble(long double f, int l, int lc, int w, int d, int nz)
715{
716 int snr;
717 char b[128];
718
719 move(l, lc);
720#ifdef DEBUG
721 while (--w >= 0)
722 addch('*');
723 return;
724#endif
725 if (nz && f == 0.0) {
726 while (--w >= 0)
727 addch(' ');
728 return;
729 }
730 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f);
731 if (snr != w)
732 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f);
733 if (snr != w) {
734 while (--w >= 0)
735 addch('*');
736 return;
737 }
738 addstr(b);
739}
740
741static void
742getinfo(struct Info *ls)
743{
744 struct devinfo *tmp_dinfo;
745 size_t size;
746 int mib[2];
747
748 GETSYSCTL("kern.cp_time", ls->time);
749 GETSYSCTL("kern.cp_time", cur.cp_time);
750 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
751 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
752 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
753 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr);
754 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft);
755 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults);
756 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults);
757 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod);
758 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod);
759 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin);
760 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout);
761 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin);
762 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout);
763 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein);
764 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout);
765 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin);
766 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout);
767 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans);
768 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated);
769 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups);
770 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages);
771 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree);
772 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree);
773 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree);
774 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size);
775 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count);
776 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count);
777 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count);
778 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count);
779 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count);
780 GETSYSCTL("vfs.bufspace", ls->bufspace);
781 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes);
782 GETSYSCTL("vfs.numvnodes", ls->numvnodes);
783 GETSYSCTL("vfs.freevnodes", ls->freevnodes);
784 GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
785 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
786 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
787
788 size = sizeof(ls->Total);
789 mib[0] = CTL_VM;
790 mib[1] = VM_TOTAL;
791 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) {
792 error("Can't get kernel info: %s\n", strerror(errno));
793 bzero(&ls->Total, sizeof(ls->Total));
794 }
795 size = sizeof(ncpu);
796 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 ||
797 size != sizeof(ncpu))
798 ncpu = 1;
799
800 tmp_dinfo = last.dinfo;
801 last.dinfo = cur.dinfo;
802 cur.dinfo = tmp_dinfo;
803
804 last.snap_time = cur.snap_time;
805 switch (devstat_getdevs(NULL, &cur)) {
806 case -1:
807 errx(1, "%s", devstat_errbuf);
808 break;
809 case 1:
810 num_devices = cur.dinfo->numdevs;
811 generation = cur.dinfo->generation;
812 cmdkre("refresh", NULL);
813 break;
814 default:
815 break;
816 }
817}
818
819static void
820allocinfo(struct Info *ls)
821{
822
823 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
824 if (ls->intrcnt == NULL)
825 errx(2, "out of memory");
826}
827
828static void
829copyinfo(struct Info *from, struct Info *to)
830{
831 long *intrcnt;
832
833 /*
834 * time, wds, seek, and xfer are malloc'd so we have to
835 * save the pointers before the structure copy and then
836 * copy by hand.
837 */
838 intrcnt = to->intrcnt;
839 *to = *from;
840
841 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
842}
843
844static void
845dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
846{
847 long double transfers_per_second;
848 long double kb_per_transfer, mb_per_second;
849 long double elapsed_time, device_busy;
850 int di;
851
852 di = dev_select[dn].position;
853
854 if (then != NULL) {
855 /* Calculate relative to previous sample */
856 elapsed_time = now->snap_time - then->snap_time;
857 } else {
858 /* Calculate relative to device creation */
859 elapsed_time = now->snap_time - devstat_compute_etime(
860 &now->dinfo->devices[di].creation_time, NULL);
861 }
862
863 if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
864 &then->dinfo->devices[di] : NULL, elapsed_time,
865 DSM_KB_PER_TRANSFER, &kb_per_transfer,
866 DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
867 DSM_MB_PER_SECOND, &mb_per_second,
868 DSM_BUSY_PCT, &device_busy,
869 DSM_NONE) != 0)
870 errx(1, "%s", devstat_errbuf);
871
872 lc = DISKCOL + lc * 6;
873 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
874 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
875 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
876 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0);
877}
70#include <devstat.h>
71#include "systat.h"
72#include "extern.h"
73#include "devs.h"
74
75static struct Info {
76 long time[CPUSTATES];
77 u_int v_swtch; /* context switches */
78 u_int v_trap; /* calls to trap */
79 u_int v_syscall; /* calls to syscall() */
80 u_int v_intr; /* device interrupts */
81 u_int v_soft; /* software interrupts */
82 /*
83 * Virtual memory activity.
84 */
85 u_int v_vm_faults; /* number of address memory faults */
86 u_int v_cow_faults; /* number of copy-on-writes */
87 u_int v_zfod; /* pages zero filled on demand */
88 u_int v_ozfod; /* optimized zero fill pages */
89 u_int v_swapin; /* swap pager pageins */
90 u_int v_swapout; /* swap pager pageouts */
91 u_int v_swappgsin; /* swap pager pages paged in */
92 u_int v_swappgsout; /* swap pager pages paged out */
93 u_int v_vnodein; /* vnode pager pageins */
94 u_int v_vnodeout; /* vnode pager pageouts */
95 u_int v_vnodepgsin; /* vnode_pager pages paged in */
96 u_int v_vnodepgsout; /* vnode pager pages paged out */
97 u_int v_intrans; /* intransit blocking page faults */
98 u_int v_reactivated; /* number of pages reactivated from free list */
99 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */
100 u_int v_pdpages; /* number of pages analyzed by daemon */
101
102 u_int v_dfree; /* pages freed by daemon */
103 u_int v_pfree; /* pages freed by exiting processes */
104 u_int 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_cache_count; /* number of pages on buffer cache queue */
114 struct vmtotal Total;
115 struct nchstats nchstats;
116 long nchcount;
117 long *intrcnt;
118 long bufspace;
119 int desiredvnodes;
120 long numvnodes;
121 long freevnodes;
122 int numdirtybuffers;
123} s, s1, s2, z;
124
125struct statinfo cur, last, run;
126
127#define total s.Total
128#define nchtotal s.nchstats
129#define oldnchtotal s1.nchstats
130
131static enum state { BOOT, TIME, RUN } state = TIME;
132
133static void allocinfo(struct Info *);
134static void copyinfo(struct Info *, struct Info *);
135static float cputime(int);
136static void dinfo(int, int, struct statinfo *, struct statinfo *);
137static void getinfo(struct Info *);
138static void putint(int, int, int, int);
139static void putfloat(double, int, int, int, int, int);
140static void putlongdouble(long double, int, int, int, int, int);
141static int ucount(void);
142
143static int ncpu;
144static char buf[26];
145static time_t t;
146static double etime;
147static int nintr;
148static long *intrloc;
149static char **intrname;
150static int nextintsrow;
151
152WINDOW *
153openkre(void)
154{
155
156 return (stdscr);
157}
158
159void
160closekre(WINDOW *w)
161{
162
163 if (w == NULL)
164 return;
165 wclear(w);
166 wrefresh(w);
167}
168
169/*
170 * These constants define where the major pieces are laid out
171 */
172#define STATROW 0 /* uses 1 row and 67 cols */
173#define STATCOL 0
174#define MEMROW 2 /* uses 4 rows and 45 cols */
175#define MEMCOL 0
176#define PAGEROW 2 /* uses 4 rows and 30 cols */
177#define PAGECOL 47
178#define INTSROW 6 /* uses all rows to bottom and 16 cols */
179#define INTSCOL 64
180#define PROCSROW 6 /* uses 3 rows and 19 cols */
181#define PROCSCOL 0
182#define GENSTATROW 7 /* uses 2 rows and 29 cols */
183#define GENSTATCOL 21
184#define VMSTATROW 7 /* uses 17 rows and 12-14 cols */
185#define VMSTATCOL 49 /* actually 50-51 for some fields */
186#define GRAPHROW 10 /* uses 3 rows and 49-51 cols */
187#define GRAPHCOL 0
188#define VNSTATROW 13 /* uses 4 rows and 13 columns */
189#define VNSTATCOL 35
190#define NAMEIROW 14 /* uses 3 rows and 32 cols */
191#define NAMEICOL 0
192#define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
193#define DISKCOL 0
194
195#define DRIVESPACE 7 /* max # for space */
196
197#define MAXDRIVES DRIVESPACE /* max # to display */
198
199int
200initkre(void)
201{
202 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
203 int i;
204 size_t sz;
205
206 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
207 warnx("%s", devstat_errbuf);
208 return(0);
209 }
210
211 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
212 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
213 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
214 bzero(cur.dinfo, sizeof(struct devinfo));
215 bzero(last.dinfo, sizeof(struct devinfo));
216 bzero(run.dinfo, sizeof(struct devinfo));
217
218 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
219 return(0);
220
221 if (nintr == 0) {
222 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) {
223 error("sysctl(hw.intrcnt...) failed: %s",
224 strerror(errno));
225 return (0);
226 }
227 nintr = sz / sizeof(u_long);
228 intrloc = calloc(nintr, sizeof (long));
229 intrname = calloc(nintr, sizeof (char *));
230 intrnamebuf = sysctl_dynread("hw.intrnames", NULL);
231 if (intrnamebuf == NULL || intrname == NULL ||
232 intrloc == NULL) {
233 error("Out of memory");
234 if (intrnamebuf)
235 free(intrnamebuf);
236 if (intrname)
237 free(intrname);
238 if (intrloc)
239 free(intrloc);
240 nintr = 0;
241 return(0);
242 }
243 for (cp = intrnamebuf, i = 0; i < nintr; i++) {
244 nextcp = cp + strlen(cp) + 1;
245
246 /* Discard trailing spaces. */
247 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; )
248 *--cp1 = '\0';
249
250 /* Convert "irqN: name" to "name irqN". */
251 if (strncmp(cp, "irq", 3) == 0) {
252 cp1 = cp + 3;
253 while (isdigit((u_char)*cp1))
254 cp1++;
255 if (cp1 != cp && *cp1 == ':' &&
256 *(cp1 + 1) == ' ') {
257 *cp1 = '\0';
258 cp1 = cp1 + 2;
259 cp2 = strdup(cp);
260 bcopy(cp1, cp, strlen(cp1) + 1);
261 strcat(cp, " ");
262 strcat(cp, cp2);
263 free(cp2);
264 }
265 }
266
267 /*
268 * Convert "name irqN" to "name N" if the former is
269 * longer than the field width.
270 */
271 if ((cp1 = strstr(cp, "irq")) != NULL &&
272 strlen(cp) > 10)
273 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1);
274
275 intrname[i] = cp;
276 cp = nextcp;
277 }
278 nextintsrow = INTSROW + 2;
279 allocinfo(&s);
280 allocinfo(&s1);
281 allocinfo(&s2);
282 allocinfo(&z);
283 }
284 getinfo(&s2);
285 copyinfo(&s2, &s1);
286 return(1);
287}
288
289void
290fetchkre(void)
291{
292 time_t now;
293 struct tm *tp;
294 static int d_first = -1;
295
296 if (d_first < 0)
297 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
298
299 time(&now);
300 tp = localtime(&now);
301 (void) strftime(buf, sizeof(buf),
302 d_first ? "%e %b %R" : "%b %e %R", tp);
303 getinfo(&s);
304}
305
306void
307labelkre(void)
308{
309 int i, j;
310
311 clear();
312 mvprintw(STATROW, STATCOL + 6, "users Load");
313 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
314 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
315 mvprintw(MEMROW + 2, MEMCOL, "Act");
316 mvprintw(MEMROW + 3, MEMCOL, "All");
317
318 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
319
320 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER");
321 mvprintw(PAGEROW + 1, PAGECOL, " in out in out");
322 mvprintw(PAGEROW + 2, PAGECOL, "count");
323 mvprintw(PAGEROW + 3, PAGECOL, "pages");
324
325 mvprintw(INTSROW, INTSCOL + 1, "Interrupts");
326 mvprintw(INTSROW + 1, INTSCOL + 6, "total");
327
328 mvprintw(VMSTATROW, VMSTATCOL + 9, "cow");
329 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "zfod");
330 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "ozfod");
331 mvprintw(VMSTATROW + 3, VMSTATCOL + 9 - 1, "%%ozfod");
332 mvprintw(VMSTATROW + 4, VMSTATCOL + 9, "daefr");
333 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "prcfr");
334 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "totfr");
335 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "react");
336 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "pdwak");
337 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdpgs");
338 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "intrn");
339 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "wire");
340 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "act");
341 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "inact");
342 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "cache");
343 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "free");
344 if (LINES - 1 > VMSTATROW + 16)
345 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "buf");
346
347 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
348
349 mvprintw(GRAPHROW, GRAPHCOL,
350 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
351 mvprintw(PROCSROW, PROCSCOL, "Proc:");
352 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w");
353 mvprintw(GRAPHROW + 1, GRAPHCOL,
354 "| | | | | | | | | | |");
355
356 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf");
357 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn");
358 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn");
359 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn");
360
361 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
362 mvprintw(NAMEIROW + 1, NAMEICOL,
363 " Calls hits %% hits %%");
364 mvprintw(DISKROW, DISKCOL, "Disks");
365 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
366 mvprintw(DISKROW + 2, DISKCOL, "tps");
367 mvprintw(DISKROW + 3, DISKCOL, "MB/s");
368 mvprintw(DISKROW + 4, DISKCOL, "%%busy");
369 /*
370 * For now, we don't support a fourth disk statistic. So there's
371 * no point in providing a label for it. If someone can think of a
372 * fourth useful disk statistic, there is room to add it.
373 */
374 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
375 j = 0;
376 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
377 if (dev_select[i].selected) {
378 char tmpstr[80];
379 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
380 dev_select[i].unit_number);
381 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
382 " %5.5s", tmpstr);
383 j++;
384 }
385
386 for (i = 0; i < nintr; i++) {
387 if (intrloc[i] == 0)
388 continue;
389 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]);
390 }
391}
392
393#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
394#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
395#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
396#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
397 if(state == TIME) s1.nchstats.fld = t;}
398#define PUTRATE(fld, l, c, w) \
399do { \
400 Y(fld); \
401 putint((int)((float)s.fld/etime + 0.5), l, c, w); \
402} while (0)
403#define MAXFAIL 5
404
405static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
406static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
407 CP_IDLE };
408
409void
410showkre(void)
411{
412 float f1, f2;
413 int psiz, inttotal;
414 int i, l, lc;
415 static int failcnt = 0;
416
417 etime = 0;
418 for(i = 0; i < CPUSTATES; i++) {
419 X(time);
420 Q(cp_time);
421 etime += s.time[i];
422 }
423 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
424 if (failcnt++ >= MAXFAIL) {
425 clear();
426 mvprintw(2, 10, "The alternate system clock has died!");
427 mvprintw(3, 10, "Reverting to ``pigs'' display.");
428 move(CMDLINE, 0);
429 refresh();
430 failcnt = 0;
431 sleep(5);
432 command("pigs");
433 }
434 return;
435 }
436 failcnt = 0;
437 etime /= hertz;
438 etime /= ncpu;
439 inttotal = 0;
440 for (i = 0; i < nintr; i++) {
441 if (s.intrcnt[i] == 0)
442 continue;
443 if (intrloc[i] == 0) {
444 if (nextintsrow == LINES)
445 continue;
446 intrloc[i] = nextintsrow++;
447 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s",
448 intrname[i]);
449 }
450 X(intrcnt);
451 l = (int)((float)s.intrcnt[i]/etime + 0.5);
452 inttotal += l;
453 putint(l, intrloc[i], INTSCOL, 5);
454 }
455 putint(inttotal, INTSROW + 1, INTSCOL, 5);
456 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
457 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
458 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
459 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
460 if (state == TIME)
461 s1.nchcount = s.nchcount;
462
463 psiz = 0;
464 f2 = 0.0;
465 for (lc = 0; lc < CPUSTATES; lc++) {
466 i = cpuorder[lc];
467 f1 = cputime(i);
468 f2 += f1;
469 l = (int) ((f2 + 1.0) / 2.0) - psiz;
470 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
471 move(GRAPHROW + 2, psiz);
472 psiz += l;
473 while (l-- > 0)
474 addch(cpuchar[lc]);
475 }
476
477 putint(ucount(), STATROW, STATCOL, 5);
478 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0);
479 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0);
480 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0);
481 mvaddstr(STATROW, STATCOL + 55, buf);
482#define pgtokb(pg) ((pg) * (s.v_page_size / 1024))
483 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7);
484 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7);
485 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8);
486 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8);
487 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7);
488 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7);
489 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8);
490 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8);
491 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7);
492 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3);
493 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3);
494 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3);
495 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3);
496 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3);
497 PUTRATE(v_cow_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2);
498 PUTRATE(v_zfod, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2);
499 PUTRATE(v_ozfod, VMSTATROW + 2, VMSTATCOL, 8);
500 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0,
501 VMSTATROW + 3, VMSTATCOL + 1, 8 - 1);
502 PUTRATE(v_dfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2);
503 PUTRATE(v_pfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2);
504 PUTRATE(v_tfree, VMSTATROW + 6, VMSTATCOL, 8);
505 PUTRATE(v_reactivated, VMSTATROW + 7, VMSTATCOL, 8);
506 PUTRATE(v_pdwakeups, VMSTATROW + 8, VMSTATCOL, 8);
507 PUTRATE(v_pdpages, VMSTATROW + 9, VMSTATCOL, 8);
508 PUTRATE(v_intrans, VMSTATROW + 10, VMSTATCOL, 8);
509 putint(pgtokb(s.v_wire_count), VMSTATROW + 11, VMSTATCOL, 8);
510 putint(pgtokb(s.v_active_count), VMSTATROW + 12, VMSTATCOL, 8);
511 putint(pgtokb(s.v_inactive_count), VMSTATROW + 13, VMSTATCOL, 8);
512 putint(pgtokb(s.v_cache_count), VMSTATROW + 14, VMSTATCOL, 8);
513 putint(pgtokb(s.v_free_count), VMSTATROW + 15, VMSTATCOL, 8);
514 if (LINES - 1 > VMSTATROW + 16)
515 putint(s.bufspace / 1024, VMSTATROW + 16, VMSTATCOL, 8);
516 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5);
517 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5);
518 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5);
519 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5);
520 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5);
521 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5);
522 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5);
523 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5);
524 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4);
525 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4);
526 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4);
527 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4);
528 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4);
529 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4);
530 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
531 if (dev_select[i].selected) {
532 switch(state) {
533 case TIME:
534 dinfo(i, ++lc, &cur, &last);
535 break;
536 case RUN:
537 dinfo(i, ++lc, &cur, &run);
538 break;
539 case BOOT:
540 dinfo(i, ++lc, &cur, NULL);
541 break;
542 }
543 }
544 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
545 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7);
546 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
547 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7);
548 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8);
549 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
550 NAMEIROW + 2, NAMEICOL + 9, 7);
551#define nz(x) ((x) ? (x) : 1)
552 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
553 100.0 / nz(s.nchcount),
554 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1);
555 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7);
556 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
557 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1);
558#undef nz
559}
560
561int
562cmdkre(const char *cmd, const char *args)
563{
564 int retval;
565
566 if (prefix(cmd, "run")) {
567 retval = 1;
568 copyinfo(&s2, &s1);
569 switch (devstat_getdevs(NULL, &run)) {
570 case -1:
571 errx(1, "%s", devstat_errbuf);
572 break;
573 case 1:
574 num_devices = run.dinfo->numdevs;
575 generation = run.dinfo->generation;
576 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
577 if (retval == 2)
578 labelkre();
579 break;
580 default:
581 break;
582 }
583 state = RUN;
584 return (retval);
585 }
586 if (prefix(cmd, "boot")) {
587 state = BOOT;
588 copyinfo(&z, &s1);
589 return (1);
590 }
591 if (prefix(cmd, "time")) {
592 state = TIME;
593 return (1);
594 }
595 if (prefix(cmd, "zero")) {
596 retval = 1;
597 if (state == RUN) {
598 getinfo(&s1);
599 switch (devstat_getdevs(NULL, &run)) {
600 case -1:
601 errx(1, "%s", devstat_errbuf);
602 break;
603 case 1:
604 num_devices = run.dinfo->numdevs;
605 generation = run.dinfo->generation;
606 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
607 if (retval == 2)
608 labelkre();
609 break;
610 default:
611 break;
612 }
613 }
614 return (retval);
615 }
616 retval = dscmd(cmd, args, MAXDRIVES, &cur);
617
618 if (retval == 2)
619 labelkre();
620
621 return(retval);
622}
623
624/* calculate number of users on the system */
625static int
626ucount(void)
627{
628 int nusers = 0;
629 struct utmpx *ut;
630
631 setutxent();
632 while ((ut = getutxent()) != NULL)
633 if (ut->ut_type == USER_PROCESS)
634 nusers++;
635 endutxent();
636
637 return (nusers);
638}
639
640static float
641cputime(int indx)
642{
643 double lt;
644 int i;
645
646 lt = 0;
647 for (i = 0; i < CPUSTATES; i++)
648 lt += s.time[i];
649 if (lt == 0.0)
650 lt = 1.0;
651 return (s.time[indx] * 100.0 / lt);
652}
653
654static void
655putint(int n, int l, int lc, int w)
656{
657 int snr;
658 char b[128];
659
660 move(l, lc);
661#ifdef DEBUG
662 while (w-- > 0)
663 addch('*');
664 return;
665#endif
666 if (n == 0) {
667 while (w-- > 0)
668 addch(' ');
669 return;
670 }
671 snr = snprintf(b, sizeof(b), "%*d", w, n);
672 if (snr != w)
673 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000);
674 if (snr != w)
675 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000);
676 if (snr != w) {
677 while (w-- > 0)
678 addch('*');
679 return;
680 }
681 addstr(b);
682}
683
684static void
685putfloat(double f, int l, int lc, int w, int d, int nz)
686{
687 int snr;
688 char b[128];
689
690 move(l, lc);
691#ifdef DEBUG
692 while (--w >= 0)
693 addch('*');
694 return;
695#endif
696 if (nz && f == 0.0) {
697 while (--w >= 0)
698 addch(' ');
699 return;
700 }
701 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f);
702 if (snr != w)
703 snr = snprintf(b, sizeof(b), "%*.0f", w, f);
704 if (snr != w) {
705 while (--w >= 0)
706 addch('*');
707 return;
708 }
709 addstr(b);
710}
711
712static void
713putlongdouble(long double f, int l, int lc, int w, int d, int nz)
714{
715 int snr;
716 char b[128];
717
718 move(l, lc);
719#ifdef DEBUG
720 while (--w >= 0)
721 addch('*');
722 return;
723#endif
724 if (nz && f == 0.0) {
725 while (--w >= 0)
726 addch(' ');
727 return;
728 }
729 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f);
730 if (snr != w)
731 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f);
732 if (snr != w) {
733 while (--w >= 0)
734 addch('*');
735 return;
736 }
737 addstr(b);
738}
739
740static void
741getinfo(struct Info *ls)
742{
743 struct devinfo *tmp_dinfo;
744 size_t size;
745 int mib[2];
746
747 GETSYSCTL("kern.cp_time", ls->time);
748 GETSYSCTL("kern.cp_time", cur.cp_time);
749 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
750 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
751 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
752 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr);
753 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft);
754 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults);
755 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults);
756 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod);
757 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod);
758 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin);
759 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout);
760 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin);
761 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout);
762 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein);
763 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout);
764 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin);
765 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout);
766 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans);
767 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated);
768 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups);
769 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages);
770 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree);
771 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree);
772 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree);
773 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size);
774 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count);
775 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count);
776 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count);
777 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count);
778 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count);
779 GETSYSCTL("vfs.bufspace", ls->bufspace);
780 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes);
781 GETSYSCTL("vfs.numvnodes", ls->numvnodes);
782 GETSYSCTL("vfs.freevnodes", ls->freevnodes);
783 GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
784 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
785 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
786
787 size = sizeof(ls->Total);
788 mib[0] = CTL_VM;
789 mib[1] = VM_TOTAL;
790 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) {
791 error("Can't get kernel info: %s\n", strerror(errno));
792 bzero(&ls->Total, sizeof(ls->Total));
793 }
794 size = sizeof(ncpu);
795 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 ||
796 size != sizeof(ncpu))
797 ncpu = 1;
798
799 tmp_dinfo = last.dinfo;
800 last.dinfo = cur.dinfo;
801 cur.dinfo = tmp_dinfo;
802
803 last.snap_time = cur.snap_time;
804 switch (devstat_getdevs(NULL, &cur)) {
805 case -1:
806 errx(1, "%s", devstat_errbuf);
807 break;
808 case 1:
809 num_devices = cur.dinfo->numdevs;
810 generation = cur.dinfo->generation;
811 cmdkre("refresh", NULL);
812 break;
813 default:
814 break;
815 }
816}
817
818static void
819allocinfo(struct Info *ls)
820{
821
822 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
823 if (ls->intrcnt == NULL)
824 errx(2, "out of memory");
825}
826
827static void
828copyinfo(struct Info *from, struct Info *to)
829{
830 long *intrcnt;
831
832 /*
833 * time, wds, seek, and xfer are malloc'd so we have to
834 * save the pointers before the structure copy and then
835 * copy by hand.
836 */
837 intrcnt = to->intrcnt;
838 *to = *from;
839
840 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
841}
842
843static void
844dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
845{
846 long double transfers_per_second;
847 long double kb_per_transfer, mb_per_second;
848 long double elapsed_time, device_busy;
849 int di;
850
851 di = dev_select[dn].position;
852
853 if (then != NULL) {
854 /* Calculate relative to previous sample */
855 elapsed_time = now->snap_time - then->snap_time;
856 } else {
857 /* Calculate relative to device creation */
858 elapsed_time = now->snap_time - devstat_compute_etime(
859 &now->dinfo->devices[di].creation_time, NULL);
860 }
861
862 if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
863 &then->dinfo->devices[di] : NULL, elapsed_time,
864 DSM_KB_PER_TRANSFER, &kb_per_transfer,
865 DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
866 DSM_MB_PER_SECOND, &mb_per_second,
867 DSM_BUSY_PCT, &device_busy,
868 DSM_NONE) != 0)
869 errx(1, "%s", devstat_errbuf);
870
871 lc = DISKCOL + lc * 6;
872 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
873 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
874 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
875 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0);
876}