Annotation of src/usr.bin/systat/vmstat.c, Revision 1.36
1.36 ! deraadt 1: /* $OpenBSD: vmstat.c,v 1.35 2002/06/18 00:46:48 deraadt Exp $ */
1.2 deraadt 2: /* $NetBSD: vmstat.c,v 1.5 1996/05/10 23:16:40 thorpej Exp $ */
1.1 deraadt 3:
4: /*-
5: * Copyright (c) 1983, 1989, 1992, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
40: #endif
1.36 ! deraadt 41: static char rcsid[] = "$OpenBSD: vmstat.c,v 1.35 2002/06/18 00:46:48 deraadt Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: /*
45: * Cursed vmstat -- from Robert Elz.
46: */
47:
48: #include <sys/param.h>
49: #include <sys/dkstat.h>
50: #include <sys/buf.h>
51: #include <sys/stat.h>
52: #include <sys/time.h>
53: #include <sys/user.h>
54: #include <sys/proc.h>
55: #include <sys/namei.h>
56: #include <sys/sysctl.h>
57:
1.19 art 58: #include <uvm/uvm_extern.h>
59:
1.1 deraadt 60: #include <ctype.h>
61: #include <err.h>
62: #include <nlist.h>
63: #include <paths.h>
64: #include <signal.h>
65: #include <stdlib.h>
66: #include <string.h>
67: #include <utmp.h>
68: #include <unistd.h>
69:
1.18 espie 70: #if defined(__i386__)
1.3 tholo 71: #define _KERNEL
72: #include <machine/psl.h>
73: #undef _KERNEL
74: #endif
75:
1.1 deraadt 76: #include "systat.h"
77: #include "extern.h"
78:
79: static struct Info {
80: long time[CPUSTATES];
1.19 art 81: struct uvmexp uvmexp;
1.1 deraadt 82: struct vmtotal Total;
83: struct nchstats nchstats;
84: long nchcount;
85: long *intrcnt;
86: } s, s1, s2, z;
87:
1.2 deraadt 88: #include "dkstats.h"
89: extern struct _disk cur;
90:
1.1 deraadt 91: #define cnt s.Cnt
92: #define oldcnt s1.Cnt
93: #define total s.Total
94: #define nchtotal s.nchstats
95: #define oldnchtotal s1.nchstats
96:
97: static enum state { BOOT, TIME, RUN } state = TIME;
98:
1.33 millert 99: static void allocinfo(struct Info *);
100: static void copyinfo(struct Info *, struct Info *);
101: static float cputime(int);
102: static void dinfo(int, int);
103: static void getinfo(struct Info *, enum state);
104: static void putint(int, int, int, int);
105: static void putfloat(double, int, int, int, int, int);
106: static int ucount(void);
1.1 deraadt 107:
108: static int ut;
109: static char buf[26];
110: static time_t t;
111: static double etime;
112: static float hertz;
113: static int nintr;
114: static long *intrloc;
115: static char **intrname;
116: static int nextintsrow;
117:
118: struct utmp utmp;
119:
120: WINDOW *
1.35 deraadt 121: openkre(void)
1.1 deraadt 122: {
123:
124: ut = open(_PATH_UTMP, O_RDONLY);
125: if (ut < 0)
126: error("No utmp");
127: return (stdscr);
128: }
129:
130: void
1.35 deraadt 131: closekre(WINDOW *w)
1.1 deraadt 132: {
133:
134: (void) close(ut);
135: if (w == NULL)
136: return;
137: wclear(w);
138: wrefresh(w);
139: }
140:
141:
142: static struct nlist namelist[] = {
1.36 ! deraadt 143: #define X_INTRNAMES 0 /* no sysctl */
1.1 deraadt 144: { "_intrnames" },
1.36 ! deraadt 145: #define X_EINTRNAMES 1 /* no sysctl */
1.1 deraadt 146: { "_eintrnames" },
1.36 ! deraadt 147: #define X_INTRCNT 2 /* no sysctl */
1.1 deraadt 148: { "_intrcnt" },
1.36 ! deraadt 149: #define X_EINTRCNT 3 /* no sysctl */
1.1 deraadt 150: { "_eintrcnt" },
1.18 espie 151: #if defined(__i386__)
1.36 ! deraadt 152: #define X_INTRHAND 4 /* no sysctl */
1.3 tholo 153: { "_intrhand" },
154: #endif
1.1 deraadt 155: { "" },
156: };
157:
158: /*
159: * These constants define where the major pieces are laid out
160: */
161: #define STATROW 0 /* uses 1 row and 68 cols */
162: #define STATCOL 2
163: #define MEMROW 2 /* uses 4 rows and 31 cols */
164: #define MEMCOL 0
165: #define PAGEROW 2 /* uses 4 rows and 26 cols */
1.17 deraadt 166: #define PAGECOL 37
1.1 deraadt 167: #define INTSROW 2 /* uses all rows to bottom and 17 cols */
168: #define INTSCOL 63
169: #define PROCSROW 7 /* uses 2 rows and 20 cols */
170: #define PROCSCOL 0
1.27 deraadt 171: #define GENSTATROW 7 /* uses 2 rows and 35 cols */
172: #define GENSTATCOL 16
1.9 kstailey 173: #define VMSTATROW 7 /* uses 17 rows and 12 cols */
1.1 deraadt 174: #define VMSTATCOL 48
175: #define GRAPHROW 10 /* uses 3 rows and 51 cols */
176: #define GRAPHCOL 0
1.25 weingart 177: #define NAMEIROW 14 /* uses 3 rows and 49 cols */
1.1 deraadt 178: #define NAMEICOL 0
179: #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */
180: #define DISKCOL 0
181:
1.32 tdeval 182: #define DRIVESPACE 45 /* max space for drives */
1.1 deraadt 183:
184: int
1.35 deraadt 185: initkre(void)
1.1 deraadt 186: {
187: char *intrnamebuf, *cp;
1.22 ericj 188: int i, ret;
1.1 deraadt 189:
190: if (namelist[0].n_type == 0) {
1.22 ericj 191: if ((ret = kvm_nlist(kd, namelist)) == -1)
192: errx(1, "%s", kvm_geterr(kd));
193: else if (ret)
1.1 deraadt 194: nlisterr(namelist);
195: if (namelist[0].n_type == 0) {
196: error("No namelist");
197: return(0);
198: }
199: }
200: hertz = stathz ? stathz : hz;
1.31 deraadt 201: if (!dkinit(1))
1.1 deraadt 202: return(0);
203: if (nintr == 0) {
1.18 espie 204: #if defined(__i386__)
1.3 tholo 205: struct intrhand *intrhand[16], *ihp, ih;
206: char iname[16];
207: int namelen, n;
208:
209: NREAD(X_INTRHAND, intrhand, sizeof(intrhand));
210: for (namelen = 0, i = 0; i < 16; i++) {
211: ihp = intrhand[i];
212: while (ihp) {
213: nintr++;
214: KREAD(ihp, &ih, sizeof(ih));
215: KREAD(ih.ih_what, iname, 16);
216: namelen += 1 + strlen(iname);
217: ihp = ih.ih_next;
218: }
219: }
220: intrloc = calloc(nintr, sizeof (long));
221: intrname = calloc(nintr, sizeof (char *));
222: cp = intrnamebuf = malloc(namelen);
223: for (namelen = 0, i = 0, n = 0; i < 16; i++) {
224: ihp = intrhand[i];
225: while (ihp) {
226: KREAD(ihp, &ih, sizeof(ih));
227: KREAD(ih.ih_what, iname, 16);
1.31 deraadt 228: /* XXX strcpy is safe, sized & malloc'd buffer */
1.3 tholo 229: strcpy(intrname[n++] = intrnamebuf + namelen, iname);
230: namelen += 1 + strlen(iname);
231: ihp = ih.ih_next;
232: }
233: }
234: #else
1.1 deraadt 235: nintr = (namelist[X_EINTRCNT].n_value -
1.31 deraadt 236: namelist[X_INTRCNT].n_value) / sizeof (long);
1.1 deraadt 237: intrloc = calloc(nintr, sizeof (long));
238: intrname = calloc(nintr, sizeof (long));
239: intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value -
1.31 deraadt 240: namelist[X_INTRNAMES].n_value);
1.1 deraadt 241: if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) {
242: error("Out of memory\n");
243: if (intrnamebuf)
244: free(intrnamebuf);
245: if (intrname)
246: free(intrname);
247: if (intrloc)
248: free(intrloc);
249: nintr = 0;
250: return(0);
251: }
252: NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) -
1.31 deraadt 253: NVAL(X_INTRNAMES));
1.1 deraadt 254: for (cp = intrnamebuf, i = 0; i < nintr; i++) {
255: intrname[i] = cp;
256: cp += strlen(cp) + 1;
257: }
1.3 tholo 258: #endif
1.1 deraadt 259: nextintsrow = INTSROW + 2;
260: allocinfo(&s);
261: allocinfo(&s1);
262: allocinfo(&s2);
263: allocinfo(&z);
264: }
265: getinfo(&s2, RUN);
266: copyinfo(&s2, &s1);
267: return(1);
268: }
269:
270: void
1.35 deraadt 271: fetchkre(void)
1.1 deraadt 272: {
273: time_t now;
274:
275: time(&now);
1.23 lebel 276: strlcpy(buf, ctime(&now), sizeof buf);
1.1 deraadt 277: getinfo(&s, state);
278: }
279:
280: void
1.35 deraadt 281: labelkre(void)
1.1 deraadt 282: {
1.32 tdeval 283: int i, j, l;
1.1 deraadt 284:
285: clear();
286: mvprintw(STATROW, STATCOL + 4, "users Load");
1.19 art 287: mvprintw(MEMROW, MEMCOL, " memory totals (in KB)");
288: mvprintw(MEMROW + 1, MEMCOL, " real virtual free");
289: mvprintw(MEMROW + 2, MEMCOL, "Active");
290: mvprintw(MEMROW + 3, MEMCOL, "All");
291:
292: mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING ");
293: mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
294: mvprintw(PAGEROW + 2, PAGECOL, "ops");
295: mvprintw(PAGEROW + 3, PAGECOL, "pages");
1.1 deraadt 296:
1.20 art 297: mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
298: mvprintw(INTSROW + 1, INTSCOL + 9, "total");
299:
1.19 art 300: mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "forks");
301: mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "fkppw");
302: mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "fksvm");
303: mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "pwait");
304: mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "relck");
305: mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "rlkok");
306: mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "noram");
307: mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "ndcpy");
308: mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "fltcp");
309: mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "zfod");
310: mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "cow");
311: mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "fmin");
312: mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "ftarg");
313: mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "itarg");
314: mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "wired");
315: mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "pdfre");
316: if (LINES - 1 > VMSTATROW + 16)
317: mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "pdscn");
1.1 deraadt 318:
1.27 deraadt 319: mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
1.1 deraadt 320:
321: mvprintw(GRAPHROW, GRAPHCOL,
1.31 deraadt 322: " . %% Sys . %% User . %% Nice . %% Idle");
1.19 art 323: mvprintw(PROCSROW, PROCSCOL, "Proc:r d s w");
1.1 deraadt 324: mvprintw(GRAPHROW + 1, GRAPHCOL,
1.31 deraadt 325: "| | | | | | | | | | |");
1.1 deraadt 326:
1.25 weingart 327: mvprintw(NAMEIROW, NAMEICOL,
1.31 deraadt 328: "Namei Sys-cache Proc-cache No-cache");
1.1 deraadt 329: mvprintw(NAMEIROW + 1, NAMEICOL,
1.31 deraadt 330: " Calls hits %% hits %% miss %%");
1.1 deraadt 331: mvprintw(DISKROW, DISKCOL, "Discs");
332: mvprintw(DISKROW + 1, DISKCOL, "seeks");
333: mvprintw(DISKROW + 2, DISKCOL, "xfers");
1.2 deraadt 334: mvprintw(DISKROW + 3, DISKCOL, "Kbyte");
335: mvprintw(DISKROW + 4, DISKCOL, " sec");
1.32 tdeval 336: for (i = 0, j = 0; i < dk_ndrive && j < DRIVESPACE; i++)
337: if (dk_select[i] && (j + strlen(dr_name[i])) < DRIVESPACE) {
338: l = MAX(4, strlen(dr_name[i]));
339: mvprintw(DISKROW, DISKCOL + 5 + j,
340: " %*s", l, dr_name[i]);
341: j += 1 + l;
1.1 deraadt 342: }
343: for (i = 0; i < nintr; i++) {
344: if (intrloc[i] == 0)
345: continue;
346: mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]);
347: }
348: }
349:
1.35 deraadt 350: #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if (state==TIME) s1.fld[i]=t;}
351: #define Y(fld) {t = s.fld; s.fld -= s1.fld; if (state == TIME) s1.fld = t;}
1.1 deraadt 352: #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
1.35 deraadt 353: if (state == TIME) s1.nchstats.fld = t;}
1.1 deraadt 354: #define PUTRATE(fld, l, c, w) \
355: Y(fld); \
356: putint((int)((float)s.fld/etime + 0.5), l, c, w)
357: #define MAXFAIL 5
358:
359: static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' };
360: static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE };
361:
362: void
1.35 deraadt 363: showkre(void)
1.1 deraadt 364: {
365: float f1, f2;
366: int psiz, inttotal;
367: int i, l, c;
368: static int failcnt = 0;
369:
1.2 deraadt 370: if (state == TIME)
371: dkswap();
1.1 deraadt 372: etime = 0;
1.35 deraadt 373: for (i = 0; i < CPUSTATES; i++) {
1.1 deraadt 374: X(time);
375: etime += s.time[i];
376: }
377: if (etime < 5.0) { /* < 5 ticks - ignore this trash */
378: if (failcnt++ >= MAXFAIL) {
379: clear();
380: mvprintw(2, 10, "The alternate system clock has died!");
381: mvprintw(3, 10, "Reverting to ``pigs'' display.");
382: move(CMDLINE, 0);
383: refresh();
384: failcnt = 0;
385: sleep(5);
386: command("pigs");
387: }
388: return;
389: }
390: failcnt = 0;
391: etime /= hertz;
392: inttotal = 0;
393: for (i = 0; i < nintr; i++) {
394: if (s.intrcnt[i] == 0)
395: continue;
396: if (intrloc[i] == 0) {
397: if (nextintsrow == LINES)
398: continue;
399: intrloc[i] = nextintsrow++;
400: mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s",
1.31 deraadt 401: intrname[i]);
1.1 deraadt 402: }
403: X(intrcnt);
404: l = (int)((float)s.intrcnt[i]/etime + 0.5);
405: inttotal += l;
406: putint(l, intrloc[i], INTSCOL, 8);
407: }
408: putint(inttotal, INTSROW + 1, INTSCOL, 8);
409: Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
410: Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes);
411: s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
412: nchtotal.ncs_miss + nchtotal.ncs_long;
413: if (state == TIME)
414: s1.nchcount = s.nchcount;
415:
416: psiz = 0;
417: f2 = 0.0;
418:
1.31 deraadt 419: /*
1.1 deraadt 420: * Last CPU state not calculated yet.
421: */
422: for (c = 0; c < CPUSTATES - 1; c++) {
423: i = cpuorder[c];
424: f1 = cputime(i);
425: f2 += f1;
426: l = (int) ((f2 + 1.0) / 2.0) - psiz;
427: if (c == 0)
428: putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0);
429: else
430: putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c,
1.31 deraadt 431: 5, 1, 0);
1.1 deraadt 432: move(GRAPHROW + 2, psiz);
433: psiz += l;
434: while (l-- > 0)
435: addch(cpuchar[c]);
436: }
1.15 marc 437:
438: /*
439: * The above code does not account for time in the CP_INTR state.
440: * Thus the total may be less than 100%. If the total is less than
441: * the previous total old data may be left on the graph. The graph
442: * assumes one character position for every 2 percentage points for
443: * a total of 50 positions. Ensure all positions have been filled.
444: */
445: while ( psiz++ <= 50 )
446: addch(' ');
1.1 deraadt 447:
448: putint(ucount(), STATROW, STATCOL, 3);
449: putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
450: putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
451: putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
452: mvaddstr(STATROW, STATCOL + 53, buf);
1.34 millert 453: #define pgtokb(pg) ((pg) * (s.uvmexp.pagesize / 1024))
1.19 art 454:
455: putint(pgtokb(s.uvmexp.active), MEMROW + 2, MEMCOL + 6, 7);
456: putint(pgtokb(s.uvmexp.active + s.uvmexp.swpginuse), /* XXX */
457: MEMROW + 2, MEMCOL + 16, 7);
458: putint(pgtokb(s.uvmexp.npages - s.uvmexp.free), MEMROW + 3, MEMCOL + 6, 7);
459: putint(pgtokb(s.uvmexp.npages - s.uvmexp.free + s.uvmexp.swpginuse),
460: MEMROW + 3, MEMCOL + 16, 7);
461: putint(pgtokb(s.uvmexp.free), MEMROW + 2, MEMCOL + 24, 7);
462: putint(pgtokb(s.uvmexp.free + s.uvmexp.swpages - s.uvmexp.swpginuse),
463: MEMROW + 3, MEMCOL + 24, 7);
1.1 deraadt 464: putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3);
1.19 art 465:
466: putint(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3);
467: putint(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3);
468: putint(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3);
469: PUTRATE(uvmexp.forks, VMSTATROW + 0, VMSTATCOL + 3, 6);
470: PUTRATE(uvmexp.forks_ppwait, VMSTATROW + 1, VMSTATCOL + 3, 6);
471: PUTRATE(uvmexp.forks_sharevm, VMSTATROW + 2, VMSTATCOL + 3, 6);
472: PUTRATE(uvmexp.fltpgwait, VMSTATROW + 3, VMSTATCOL + 4, 5);
473: PUTRATE(uvmexp.fltrelck, VMSTATROW + 4, VMSTATCOL + 3, 6);
474: PUTRATE(uvmexp.fltrelckok, VMSTATROW + 5, VMSTATCOL + 3, 6);
475: PUTRATE(uvmexp.fltnoram, VMSTATROW + 6, VMSTATCOL + 3, 6);
476: PUTRATE(uvmexp.fltamcopy, VMSTATROW + 7, VMSTATCOL + 3, 6);
477: PUTRATE(uvmexp.flt_prcopy, VMSTATROW + 8, VMSTATCOL + 3, 6);
478: PUTRATE(uvmexp.flt_przero, VMSTATROW + 9, VMSTATCOL + 3, 6);
479: PUTRATE(uvmexp.flt_acow, VMSTATROW + 10, VMSTATCOL, 9);
480: putint(s.uvmexp.freemin, VMSTATROW + 11, VMSTATCOL, 9);
481: putint(s.uvmexp.freetarg, VMSTATROW + 12, VMSTATCOL, 9);
482: putint(s.uvmexp.inactarg, VMSTATROW + 13, VMSTATCOL, 9);
483: putint(s.uvmexp.wired, VMSTATROW + 14, VMSTATCOL, 9);
484: PUTRATE(uvmexp.pdfreed, VMSTATROW + 15, VMSTATCOL, 9);
485: if (LINES - 1 > VMSTATROW + 16)
486: PUTRATE(uvmexp.pdscans, VMSTATROW + 16, VMSTATCOL, 9);
487:
488: PUTRATE(uvmexp.pageins, PAGEROW + 2, PAGECOL + 5, 5);
489: PUTRATE(uvmexp.pdpageouts, PAGEROW + 2, PAGECOL + 10, 5);
490: PUTRATE(uvmexp.swapins, PAGEROW + 2, PAGECOL + 15, 5);
491: PUTRATE(uvmexp.swapouts, PAGEROW + 2, PAGECOL + 20, 5);
492: PUTRATE(uvmexp.pgswapin, PAGEROW + 3, PAGECOL + 5, 5);
493: PUTRATE(uvmexp.pgswapout, PAGEROW + 3, PAGECOL + 10, 5);
494:
1.27 deraadt 495: PUTRATE(uvmexp.swtch, GENSTATROW + 1, GENSTATCOL, 6);
496: PUTRATE(uvmexp.traps, GENSTATROW + 1, GENSTATCOL + 6, 6);
497: PUTRATE(uvmexp.syscalls, GENSTATROW + 1, GENSTATCOL + 12, 6);
498: PUTRATE(uvmexp.intrs, GENSTATROW + 1, GENSTATCOL + 18, 6);
499: PUTRATE(uvmexp.softs, GENSTATROW + 1, GENSTATCOL + 24, 6);
500: PUTRATE(uvmexp.faults, GENSTATROW + 1, GENSTATCOL + 30, 5);
1.1 deraadt 501: mvprintw(DISKROW, DISKCOL + 5, " ");
1.32 tdeval 502: for (i = 0, c = 0; i < dk_ndrive && c < DRIVESPACE; i++)
503: if (dk_select[i] && (c + strlen(dr_name[i])) < DRIVESPACE) {
504: l = MAX(4, strlen(dr_name[i]));
505: mvprintw(DISKROW, DISKCOL + 5 + c,
506: " %*s", l, dr_name[i]);
507: c += 1 + l;
508: dinfo(i, c);
1.1 deraadt 509: }
1.35 deraadt 510: /* and pad the DRIVESPACE */
1.32 tdeval 511: l = DRIVESPACE - c;
512: for (i = 0; i < 5; i++)
513: mvprintw(DISKROW + i, DISKCOL + 5 + c, "%*s", l, "");
514:
1.1 deraadt 515: putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
1.25 weingart 516: putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 10, 8);
1.1 deraadt 517: #define nz(x) ((x) ? (x) : 1)
518: putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount),
1.31 deraadt 519: NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
1.25 weingart 520: putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 24, 7);
1.1 deraadt 521: putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
1.31 deraadt 522: NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1);
1.25 weingart 523: putint(nchtotal.ncs_miss - nchtotal.ncs_pass2,
524: NAMEIROW + 2, NAMEICOL + 38, 7);
525: putfloat((nchtotal.ncs_miss - nchtotal.ncs_pass2) *
1.31 deraadt 526: 100.0 / nz(s.nchcount), NAMEIROW + 2, NAMEICOL + 45, 4, 0, 1);
1.1 deraadt 527: #undef nz
528: }
529:
530: int
1.35 deraadt 531: cmdkre(char *cmd, char *args)
1.1 deraadt 532: {
533:
534: if (prefix(cmd, "run")) {
535: copyinfo(&s2, &s1);
536: state = RUN;
537: return (1);
538: }
539: if (prefix(cmd, "boot")) {
540: state = BOOT;
541: copyinfo(&z, &s1);
542: return (1);
543: }
544: if (prefix(cmd, "time")) {
545: state = TIME;
546: return (1);
547: }
548: if (prefix(cmd, "zero")) {
549: if (state == RUN)
550: getinfo(&s1, RUN);
551: return (1);
552: }
553: return (dkcmd(cmd, args));
554: }
555:
556: /* calculate number of users on the system */
557: static int
1.35 deraadt 558: ucount(void)
1.1 deraadt 559: {
1.28 mpech 560: int nusers = 0;
1.1 deraadt 561:
562: if (ut < 0)
563: return (0);
564: while (read(ut, &utmp, sizeof(utmp)))
565: if (utmp.ut_name[0] != '\0')
566: nusers++;
567:
1.16 millert 568: lseek(ut, 0, SEEK_SET);
1.1 deraadt 569: return (nusers);
570: }
571:
572: static float
1.35 deraadt 573: cputime(int indx)
1.1 deraadt 574: {
575: double t;
1.28 mpech 576: int i;
1.1 deraadt 577:
578: t = 0;
579: for (i = 0; i < CPUSTATES; i++)
580: t += s.time[i];
581: if (t == 0.0)
582: t = 1.0;
583: return (s.time[indx] * 100.0 / t);
584: }
585:
586: static void
1.35 deraadt 587: putint(int n, int l, int c, int w)
1.1 deraadt 588: {
589: char b[128];
590:
591: move(l, c);
592: if (n == 0) {
593: while (w-- > 0)
594: addch(' ');
595: return;
596: }
1.12 deraadt 597: snprintf(b, sizeof b, "%*d", w, n);
1.1 deraadt 598: if (strlen(b) > w) {
599: while (w-- > 0)
600: addch('*');
601: return;
602: }
603: addstr(b);
604: }
605:
606: static void
1.35 deraadt 607: putfloat(double f, int l, int c, int w, int d, int nz)
1.1 deraadt 608: {
609: char b[128];
610:
611: move(l, c);
612: if (nz && f == 0.0) {
613: while (--w >= 0)
614: addch(' ');
615: return;
616: }
1.12 deraadt 617: snprintf(b, sizeof b, "%*.*f", w, d, f);
1.1 deraadt 618: if (strlen(b) > w) {
619: while (--w >= 0)
620: addch('*');
621: return;
622: }
623: addstr(b);
624: }
625:
626: static void
1.35 deraadt 627: getinfo(struct Info *s, enum state st)
1.1 deraadt 628: {
1.31 deraadt 629: static int cp_time_mib[] = { CTL_KERN, KERN_CPTIME };
630: static int nchstats_mib[2] = { CTL_KERN, KERN_NCHSTATS };
631: static int uvmexp_mib[2] = { CTL_VM, VM_UVMEXP };
632: static int vmtotal_mib[2] = { CTL_VM, VM_METER };
1.1 deraadt 633: size_t size;
1.18 espie 634: #if defined(__i386__)
1.3 tholo 635: struct intrhand *intrhand[16], *ihp, ih;
636: int i, n;
637: #endif
1.1 deraadt 638:
1.2 deraadt 639: dkreadstats();
1.18 espie 640: #if defined(__i386__)
1.3 tholo 641: NREAD(X_INTRHAND, intrhand, sizeof(intrhand));
642: for (i = 0, n = 0; i < 16; i++) {
643: ihp = intrhand[i];
644: while (ihp) {
645: KREAD(ihp, &ih, sizeof(ih));
646: s->intrcnt[n++] = ih.ih_count;
647: ihp = ih.ih_next;
648: }
649: }
650: #else
1.31 deraadt 651: NREAD(X_INTRCNT, s->intrcnt, nintr * sizeof(long));
1.3 tholo 652: #endif
1.31 deraadt 653: size = sizeof(s->time);
654: if (sysctl(cp_time_mib, 2, &s->time, &size, NULL, 0) < 0) {
655: error("Can't get KERN_CPTIME: %s\n", strerror(errno));
656: bzero(&s->time, sizeof(s->time));
657: }
658:
659: size = sizeof(s->nchstats);
660: if (sysctl(nchstats_mib, 2, &s->nchstats, &size, NULL, 0) < 0) {
661: error("Can't get KERN_NCHSTATS: %s\n", strerror(errno));
662: bzero(&s->nchstats, sizeof(s->nchstats));
663: }
664:
665: size = sizeof(s->uvmexp);
666: if (sysctl(uvmexp_mib, 2, &s->uvmexp, &size, NULL, 0) < 0) {
667: error("Can't get VM_UVMEXP: %s\n", strerror(errno));
668: bzero(&s->uvmexp, sizeof(s->uvmexp));
669: }
670:
1.1 deraadt 671: size = sizeof(s->Total);
1.31 deraadt 672: if (sysctl(vmtotal_mib, 2, &s->Total, &size, NULL, 0) < 0) {
673: error("Can't get VM_METER: %s\n", strerror(errno));
1.1 deraadt 674: bzero(&s->Total, sizeof(s->Total));
675: }
676: }
677:
678: static void
1.35 deraadt 679: allocinfo(struct Info *s)
1.1 deraadt 680: {
681:
682: s->intrcnt = (long *) malloc(nintr * sizeof(long));
683: if (s->intrcnt == NULL)
684: errx(2, "out of memory");
685: }
686:
687: static void
1.35 deraadt 688: copyinfo(struct Info *from, struct Info *to)
1.1 deraadt 689: {
690: long *intrcnt;
691:
1.2 deraadt 692: intrcnt = to->intrcnt;
1.1 deraadt 693: *to = *from;
694: bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
695: }
696:
697: static void
1.35 deraadt 698: dinfo(int dn, int c)
1.1 deraadt 699: {
1.2 deraadt 700: double words, atime;
1.1 deraadt 701:
1.32 tdeval 702: c += DISKCOL;
1.2 deraadt 703:
704: /* time busy in disk activity */
705: atime = (double)cur.dk_time[dn].tv_sec +
1.31 deraadt 706: ((double)cur.dk_time[dn].tv_usec / (double)1000000);
1.2 deraadt 707:
708: words = cur.dk_bytes[dn] / 1024.0; /* # of K transferred */
709:
710: putint((int)((float)cur.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
711: putint((int)((float)cur.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5);
712: putint((int)(words/etime + 0.5), DISKROW + 3, c, 5);
713: putfloat(atime/etime, DISKROW + 4, c, 5, 1, 1);
1.1 deraadt 714: }
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