Annotation of src/usr.bin/systat/vmstat.c, Revision 1.51
1.51 ! aaron 1: /* $OpenBSD: vmstat.c,v 1.50 2004/06/11 06:31:32 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.
1.41 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: #if 0
35: static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
36: #endif
1.51 ! aaron 37: static char rcsid[] = "$OpenBSD: vmstat.c,v 1.50 2004/06/11 06:31:32 deraadt Exp $";
1.1 deraadt 38: #endif /* not lint */
39:
40: /*
41: * Cursed vmstat -- from Robert Elz.
42: */
43:
44: #include <sys/param.h>
45: #include <sys/dkstat.h>
46: #include <sys/buf.h>
47: #include <sys/stat.h>
48: #include <sys/time.h>
49: #include <sys/user.h>
50: #include <sys/proc.h>
51: #include <sys/namei.h>
52: #include <sys/sysctl.h>
53:
1.19 art 54: #include <uvm/uvm_extern.h>
55:
1.1 deraadt 56: #include <ctype.h>
57: #include <err.h>
58: #include <nlist.h>
59: #include <paths.h>
60: #include <signal.h>
61: #include <stdlib.h>
62: #include <string.h>
63: #include <utmp.h>
64: #include <unistd.h>
65:
66: #include "systat.h"
67: #include "extern.h"
68:
69: static struct Info {
70: long time[CPUSTATES];
1.19 art 71: struct uvmexp uvmexp;
1.1 deraadt 72: struct vmtotal Total;
73: struct nchstats nchstats;
74: long nchcount;
1.38 jason 75: int *intrcnt;
1.1 deraadt 76: } s, s1, s2, z;
77:
1.2 deraadt 78: #include "dkstats.h"
79: extern struct _disk cur;
80:
1.1 deraadt 81: #define cnt s.Cnt
82: #define oldcnt s1.Cnt
83: #define total s.Total
84: #define nchtotal s.nchstats
85: #define oldnchtotal s1.nchstats
86:
87: static enum state { BOOT, TIME, RUN } state = TIME;
88:
1.33 millert 89: static void allocinfo(struct Info *);
90: static void copyinfo(struct Info *, struct Info *);
91: static float cputime(int);
92: static void dinfo(int, int);
93: static void getinfo(struct Info *, enum state);
94: static void putint(int, int, int, int);
95: static void putfloat(double, int, int, int, int, int);
96: static int ucount(void);
1.1 deraadt 97:
98: static int ut;
99: static char buf[26];
100: static time_t t;
101: static double etime;
102: static float hertz;
103: static int nintr;
104: static long *intrloc;
105: static char **intrname;
106: static int nextintsrow;
107:
108: struct utmp utmp;
109:
110: WINDOW *
1.35 deraadt 111: openkre(void)
1.1 deraadt 112: {
113:
114: ut = open(_PATH_UTMP, O_RDONLY);
115: if (ut < 0)
116: error("No utmp");
117: return (stdscr);
118: }
119:
120: void
1.35 deraadt 121: closekre(WINDOW *w)
1.1 deraadt 122: {
123:
124: (void) close(ut);
125: if (w == NULL)
126: return;
127: wclear(w);
128: wrefresh(w);
129: }
130:
131:
132: static struct nlist namelist[] = {
1.36 deraadt 133: #define X_INTRNAMES 0 /* no sysctl */
1.1 deraadt 134: { "_intrnames" },
1.36 deraadt 135: #define X_EINTRNAMES 1 /* no sysctl */
1.1 deraadt 136: { "_eintrnames" },
1.36 deraadt 137: #define X_INTRCNT 2 /* no sysctl */
1.1 deraadt 138: { "_intrcnt" },
1.36 deraadt 139: #define X_EINTRCNT 3 /* no sysctl */
1.1 deraadt 140: { "_eintrcnt" },
141: { "" },
142: };
143:
144: /*
145: * These constants define where the major pieces are laid out
146: */
147: #define STATROW 0 /* uses 1 row and 68 cols */
148: #define STATCOL 2
149: #define MEMROW 2 /* uses 4 rows and 31 cols */
150: #define MEMCOL 0
151: #define PAGEROW 2 /* uses 4 rows and 26 cols */
1.17 deraadt 152: #define PAGECOL 37
1.1 deraadt 153: #define INTSROW 2 /* uses all rows to bottom and 17 cols */
154: #define INTSCOL 63
155: #define PROCSROW 7 /* uses 2 rows and 20 cols */
156: #define PROCSCOL 0
1.27 deraadt 157: #define GENSTATROW 7 /* uses 2 rows and 35 cols */
158: #define GENSTATCOL 16
1.9 kstailey 159: #define VMSTATROW 7 /* uses 17 rows and 12 cols */
1.1 deraadt 160: #define VMSTATCOL 48
161: #define GRAPHROW 10 /* uses 3 rows and 51 cols */
162: #define GRAPHCOL 0
1.25 weingart 163: #define NAMEIROW 14 /* uses 3 rows and 49 cols */
1.1 deraadt 164: #define NAMEICOL 0
165: #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */
166: #define DISKCOL 0
167:
1.32 tdeval 168: #define DRIVESPACE 45 /* max space for drives */
1.1 deraadt 169:
1.50 deraadt 170: int ncpu = 1;
171:
1.1 deraadt 172: int
1.35 deraadt 173: initkre(void)
1.1 deraadt 174: {
1.51 ! aaron 175: int mib[4], i, ret;
! 176: size_t size;
1.1 deraadt 177:
178: if (namelist[0].n_type == 0) {
1.22 ericj 179: if ((ret = kvm_nlist(kd, namelist)) == -1)
180: errx(1, "%s", kvm_geterr(kd));
1.49 deraadt 181: else if (ret > 1)
1.1 deraadt 182: nlisterr(namelist);
183: if (namelist[0].n_type == 0) {
184: error("No namelist");
185: return(0);
186: }
187: }
1.50 deraadt 188:
189: mib[0] = CTL_HW;
190: mib[1] = HW_NCPU;
1.51 ! aaron 191: size = sizeof(ncpu);
! 192: if (sysctl(mib, 2, &ncpu, &size, NULL, 0) < 0)
! 193: return (-1);
1.50 deraadt 194:
1.1 deraadt 195: hertz = stathz ? stathz : hz;
1.31 deraadt 196: if (!dkinit(1))
1.1 deraadt 197: return(0);
1.51 ! aaron 198:
! 199: mib[0] = CTL_KERN;
! 200: mib[1] = KERN_INTRCNT;
! 201: mib[2] = KERN_INTRCNT_NUM;
! 202: size = sizeof(nintr);
! 203: if (sysctl(mib, 3, &nintr, &size, NULL, 0) < 0)
! 204: return (-1);
! 205:
! 206: intrloc = calloc(nintr, sizeof(long));
! 207: intrname = calloc(nintr, sizeof(char *));
! 208:
! 209: for (i = 0; i < nintr; i++) {
! 210: char name[128];
! 211:
! 212: mib[0] = CTL_KERN;
! 213: mib[1] = KERN_INTRCNT;
! 214: mib[2] = KERN_INTRCNT_NAME;
! 215: mib[3] = i;
! 216: size = sizeof(name);
! 217: if (sysctl(mib, 4, name, &size, NULL, 0) < 0)
! 218: return (-1);
! 219:
! 220: intrname[i] = strdup(name);
! 221: if (intrname[i] == NULL)
! 222: return (-1);
! 223: }
! 224:
! 225: nextintsrow = INTSROW + 2;
! 226: allocinfo(&s);
! 227: allocinfo(&s1);
! 228: allocinfo(&s2);
! 229: allocinfo(&z);
! 230:
1.1 deraadt 231: getinfo(&s2, RUN);
232: copyinfo(&s2, &s1);
233: return(1);
234: }
235:
236: void
1.35 deraadt 237: fetchkre(void)
1.1 deraadt 238: {
239: time_t now;
240:
241: time(&now);
1.23 lebel 242: strlcpy(buf, ctime(&now), sizeof buf);
1.1 deraadt 243: getinfo(&s, state);
244: }
245:
246: void
1.35 deraadt 247: labelkre(void)
1.1 deraadt 248: {
1.32 tdeval 249: int i, j, l;
1.1 deraadt 250:
251: clear();
252: mvprintw(STATROW, STATCOL + 4, "users Load");
1.19 art 253: mvprintw(MEMROW, MEMCOL, " memory totals (in KB)");
254: mvprintw(MEMROW + 1, MEMCOL, " real virtual free");
255: mvprintw(MEMROW + 2, MEMCOL, "Active");
256: mvprintw(MEMROW + 3, MEMCOL, "All");
257:
258: mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING ");
259: mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
260: mvprintw(PAGEROW + 2, PAGECOL, "ops");
261: mvprintw(PAGEROW + 3, PAGECOL, "pages");
1.1 deraadt 262:
1.20 art 263: mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
264: mvprintw(INTSROW + 1, INTSCOL + 9, "total");
265:
1.19 art 266: mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "forks");
267: mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "fkppw");
268: mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "fksvm");
269: mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "pwait");
270: mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "relck");
271: mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "rlkok");
272: mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "noram");
273: mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "ndcpy");
274: mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "fltcp");
275: mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "zfod");
276: mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "cow");
277: mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "fmin");
278: mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "ftarg");
279: mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "itarg");
280: mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "wired");
281: mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "pdfre");
282: if (LINES - 1 > VMSTATROW + 16)
283: mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "pdscn");
1.42 mickey 284: if (LINES - 1 > VMSTATROW + 17)
285: mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "pzidle");
1.1 deraadt 286:
1.27 deraadt 287: mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
1.1 deraadt 288:
289: mvprintw(GRAPHROW, GRAPHCOL,
1.31 deraadt 290: " . %% Sys . %% User . %% Nice . %% Idle");
1.19 art 291: mvprintw(PROCSROW, PROCSCOL, "Proc:r d s w");
1.1 deraadt 292: mvprintw(GRAPHROW + 1, GRAPHCOL,
1.31 deraadt 293: "| | | | | | | | | | |");
1.1 deraadt 294:
1.25 weingart 295: mvprintw(NAMEIROW, NAMEICOL,
1.31 deraadt 296: "Namei Sys-cache Proc-cache No-cache");
1.1 deraadt 297: mvprintw(NAMEIROW + 1, NAMEICOL,
1.31 deraadt 298: " Calls hits %% hits %% miss %%");
1.45 tedu 299: mvprintw(DISKROW, DISKCOL, "Disks");
1.1 deraadt 300: mvprintw(DISKROW + 1, DISKCOL, "seeks");
301: mvprintw(DISKROW + 2, DISKCOL, "xfers");
1.2 deraadt 302: mvprintw(DISKROW + 3, DISKCOL, "Kbyte");
303: mvprintw(DISKROW + 4, DISKCOL, " sec");
1.37 tdeval 304: for (i = 0, j = 0; i < cur.dk_ndrive && j < DRIVESPACE; i++)
305: if (cur.dk_select[i] && (j + strlen(dr_name[i])) < DRIVESPACE) {
1.47 henning 306: l = MAX(5, strlen(dr_name[i]));
1.32 tdeval 307: mvprintw(DISKROW, DISKCOL + 5 + j,
308: " %*s", l, dr_name[i]);
309: j += 1 + l;
1.1 deraadt 310: }
311: for (i = 0; i < nintr; i++) {
312: if (intrloc[i] == 0)
313: continue;
314: mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]);
315: }
316: }
317:
1.35 deraadt 318: #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if (state==TIME) s1.fld[i]=t;}
319: #define Y(fld) {t = s.fld; s.fld -= s1.fld; if (state == TIME) s1.fld = t;}
1.1 deraadt 320: #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
1.35 deraadt 321: if (state == TIME) s1.nchstats.fld = t;}
1.1 deraadt 322: #define PUTRATE(fld, l, c, w) \
323: Y(fld); \
324: putint((int)((float)s.fld/etime + 0.5), l, c, w)
325: #define MAXFAIL 5
326:
327: static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' };
328: static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE };
329:
330: void
1.35 deraadt 331: showkre(void)
1.1 deraadt 332: {
333: float f1, f2;
334: int psiz, inttotal;
335: int i, l, c;
1.46 tedu 336: static int failcnt = 0, first_run = 0;
1.1 deraadt 337:
1.46 tedu 338: if (state == TIME) {
1.2 deraadt 339: dkswap();
1.46 tedu 340: if (!first_run) {
341: first_run = 1;
342: return;
343: }
344: }
1.1 deraadt 345: etime = 0;
1.35 deraadt 346: for (i = 0; i < CPUSTATES; i++) {
1.1 deraadt 347: X(time);
348: etime += s.time[i];
349: }
350: if (etime < 5.0) { /* < 5 ticks - ignore this trash */
351: if (failcnt++ >= MAXFAIL) {
352: clear();
353: mvprintw(2, 10, "The alternate system clock has died!");
354: mvprintw(3, 10, "Reverting to ``pigs'' display.");
355: move(CMDLINE, 0);
356: refresh();
357: failcnt = 0;
358: sleep(5);
359: command("pigs");
360: }
361: return;
362: }
363: failcnt = 0;
364: etime /= hertz;
1.50 deraadt 365: etime /= ncpu;
1.1 deraadt 366: inttotal = 0;
367: for (i = 0; i < nintr; i++) {
368: if (s.intrcnt[i] == 0)
369: continue;
370: if (intrloc[i] == 0) {
371: if (nextintsrow == LINES)
372: continue;
373: intrloc[i] = nextintsrow++;
374: mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s",
1.31 deraadt 375: intrname[i]);
1.1 deraadt 376: }
377: X(intrcnt);
378: l = (int)((float)s.intrcnt[i]/etime + 0.5);
379: inttotal += l;
380: putint(l, intrloc[i], INTSCOL, 8);
381: }
382: putint(inttotal, INTSROW + 1, INTSCOL, 8);
383: Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
384: Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes);
385: s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
386: nchtotal.ncs_miss + nchtotal.ncs_long;
387: if (state == TIME)
388: s1.nchcount = s.nchcount;
389:
390: psiz = 0;
391: f2 = 0.0;
392:
1.31 deraadt 393: /*
1.1 deraadt 394: * Last CPU state not calculated yet.
395: */
396: for (c = 0; c < CPUSTATES - 1; c++) {
397: i = cpuorder[c];
398: f1 = cputime(i);
399: f2 += f1;
400: l = (int) ((f2 + 1.0) / 2.0) - psiz;
401: if (c == 0)
402: putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0);
403: else
404: putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c,
1.31 deraadt 405: 5, 1, 0);
1.1 deraadt 406: move(GRAPHROW + 2, psiz);
407: psiz += l;
408: while (l-- > 0)
409: addch(cpuchar[c]);
410: }
1.15 marc 411:
412: /*
413: * The above code does not account for time in the CP_INTR state.
414: * Thus the total may be less than 100%. If the total is less than
415: * the previous total old data may be left on the graph. The graph
416: * assumes one character position for every 2 percentage points for
417: * a total of 50 positions. Ensure all positions have been filled.
418: */
419: while ( psiz++ <= 50 )
420: addch(' ');
1.1 deraadt 421:
422: putint(ucount(), STATROW, STATCOL, 3);
423: putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
424: putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
425: putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
426: mvaddstr(STATROW, STATCOL + 53, buf);
1.34 millert 427: #define pgtokb(pg) ((pg) * (s.uvmexp.pagesize / 1024))
1.19 art 428:
429: putint(pgtokb(s.uvmexp.active), MEMROW + 2, MEMCOL + 6, 7);
430: putint(pgtokb(s.uvmexp.active + s.uvmexp.swpginuse), /* XXX */
431: MEMROW + 2, MEMCOL + 16, 7);
432: putint(pgtokb(s.uvmexp.npages - s.uvmexp.free), MEMROW + 3, MEMCOL + 6, 7);
433: putint(pgtokb(s.uvmexp.npages - s.uvmexp.free + s.uvmexp.swpginuse),
434: MEMROW + 3, MEMCOL + 16, 7);
435: putint(pgtokb(s.uvmexp.free), MEMROW + 2, MEMCOL + 24, 7);
436: putint(pgtokb(s.uvmexp.free + s.uvmexp.swpages - s.uvmexp.swpginuse),
437: MEMROW + 3, MEMCOL + 24, 7);
1.1 deraadt 438: putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3);
1.19 art 439:
440: putint(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3);
441: putint(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3);
442: putint(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3);
443: PUTRATE(uvmexp.forks, VMSTATROW + 0, VMSTATCOL + 3, 6);
444: PUTRATE(uvmexp.forks_ppwait, VMSTATROW + 1, VMSTATCOL + 3, 6);
445: PUTRATE(uvmexp.forks_sharevm, VMSTATROW + 2, VMSTATCOL + 3, 6);
446: PUTRATE(uvmexp.fltpgwait, VMSTATROW + 3, VMSTATCOL + 4, 5);
447: PUTRATE(uvmexp.fltrelck, VMSTATROW + 4, VMSTATCOL + 3, 6);
448: PUTRATE(uvmexp.fltrelckok, VMSTATROW + 5, VMSTATCOL + 3, 6);
449: PUTRATE(uvmexp.fltnoram, VMSTATROW + 6, VMSTATCOL + 3, 6);
450: PUTRATE(uvmexp.fltamcopy, VMSTATROW + 7, VMSTATCOL + 3, 6);
451: PUTRATE(uvmexp.flt_prcopy, VMSTATROW + 8, VMSTATCOL + 3, 6);
452: PUTRATE(uvmexp.flt_przero, VMSTATROW + 9, VMSTATCOL + 3, 6);
453: PUTRATE(uvmexp.flt_acow, VMSTATROW + 10, VMSTATCOL, 9);
454: putint(s.uvmexp.freemin, VMSTATROW + 11, VMSTATCOL, 9);
455: putint(s.uvmexp.freetarg, VMSTATROW + 12, VMSTATCOL, 9);
456: putint(s.uvmexp.inactarg, VMSTATROW + 13, VMSTATCOL, 9);
457: putint(s.uvmexp.wired, VMSTATROW + 14, VMSTATCOL, 9);
458: PUTRATE(uvmexp.pdfreed, VMSTATROW + 15, VMSTATCOL, 9);
459: if (LINES - 1 > VMSTATROW + 16)
460: PUTRATE(uvmexp.pdscans, VMSTATROW + 16, VMSTATCOL, 9);
1.42 mickey 461: if (LINES - 1 > VMSTATROW + 17)
1.43 mickey 462: PUTRATE(uvmexp.zeropages, VMSTATROW + 17, VMSTATCOL, 9);
1.19 art 463:
464: PUTRATE(uvmexp.pageins, PAGEROW + 2, PAGECOL + 5, 5);
465: PUTRATE(uvmexp.pdpageouts, PAGEROW + 2, PAGECOL + 10, 5);
466: PUTRATE(uvmexp.swapins, PAGEROW + 2, PAGECOL + 15, 5);
467: PUTRATE(uvmexp.swapouts, PAGEROW + 2, PAGECOL + 20, 5);
468: PUTRATE(uvmexp.pgswapin, PAGEROW + 3, PAGECOL + 5, 5);
469: PUTRATE(uvmexp.pgswapout, PAGEROW + 3, PAGECOL + 10, 5);
470:
1.27 deraadt 471: PUTRATE(uvmexp.swtch, GENSTATROW + 1, GENSTATCOL, 6);
472: PUTRATE(uvmexp.traps, GENSTATROW + 1, GENSTATCOL + 6, 6);
473: PUTRATE(uvmexp.syscalls, GENSTATROW + 1, GENSTATCOL + 12, 6);
474: PUTRATE(uvmexp.intrs, GENSTATROW + 1, GENSTATCOL + 18, 6);
475: PUTRATE(uvmexp.softs, GENSTATROW + 1, GENSTATCOL + 24, 6);
476: PUTRATE(uvmexp.faults, GENSTATROW + 1, GENSTATCOL + 30, 5);
1.1 deraadt 477: mvprintw(DISKROW, DISKCOL + 5, " ");
1.37 tdeval 478: for (i = 0, c = 0; i < cur.dk_ndrive && c < DRIVESPACE; i++)
479: if (cur.dk_select[i] && (c + strlen(dr_name[i])) < DRIVESPACE) {
1.47 henning 480: l = MAX(5, strlen(dr_name[i]));
1.32 tdeval 481: mvprintw(DISKROW, DISKCOL + 5 + c,
482: " %*s", l, dr_name[i]);
483: c += 1 + l;
484: dinfo(i, c);
1.1 deraadt 485: }
1.35 deraadt 486: /* and pad the DRIVESPACE */
1.32 tdeval 487: l = DRIVESPACE - c;
488: for (i = 0; i < 5; i++)
489: mvprintw(DISKROW + i, DISKCOL + 5 + c, "%*s", l, "");
490:
1.1 deraadt 491: putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
1.25 weingart 492: putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 10, 8);
1.1 deraadt 493: #define nz(x) ((x) ? (x) : 1)
494: putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount),
1.31 deraadt 495: NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
1.25 weingart 496: putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 24, 7);
1.1 deraadt 497: putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
1.31 deraadt 498: NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1);
1.25 weingart 499: putint(nchtotal.ncs_miss - nchtotal.ncs_pass2,
500: NAMEIROW + 2, NAMEICOL + 38, 7);
501: putfloat((nchtotal.ncs_miss - nchtotal.ncs_pass2) *
1.31 deraadt 502: 100.0 / nz(s.nchcount), NAMEIROW + 2, NAMEICOL + 45, 4, 0, 1);
1.1 deraadt 503: #undef nz
504: }
505:
506: int
1.35 deraadt 507: cmdkre(char *cmd, char *args)
1.1 deraadt 508: {
509:
510: if (prefix(cmd, "run")) {
511: copyinfo(&s2, &s1);
512: state = RUN;
513: return (1);
514: }
515: if (prefix(cmd, "boot")) {
516: state = BOOT;
517: copyinfo(&z, &s1);
518: return (1);
519: }
520: if (prefix(cmd, "time")) {
521: state = TIME;
522: return (1);
523: }
524: if (prefix(cmd, "zero")) {
525: if (state == RUN)
526: getinfo(&s1, RUN);
527: return (1);
528: }
529: return (dkcmd(cmd, args));
530: }
531:
532: /* calculate number of users on the system */
533: static int
1.35 deraadt 534: ucount(void)
1.1 deraadt 535: {
1.28 mpech 536: int nusers = 0;
1.1 deraadt 537:
538: if (ut < 0)
539: return (0);
540: while (read(ut, &utmp, sizeof(utmp)))
541: if (utmp.ut_name[0] != '\0')
542: nusers++;
543:
1.16 millert 544: lseek(ut, 0, SEEK_SET);
1.1 deraadt 545: return (nusers);
546: }
547:
548: static float
1.35 deraadt 549: cputime(int indx)
1.1 deraadt 550: {
551: double t;
1.28 mpech 552: int i;
1.1 deraadt 553:
554: t = 0;
555: for (i = 0; i < CPUSTATES; i++)
556: t += s.time[i];
557: if (t == 0.0)
558: t = 1.0;
559: return (s.time[indx] * 100.0 / t);
560: }
561:
562: static void
1.35 deraadt 563: putint(int n, int l, int c, int w)
1.1 deraadt 564: {
565: char b[128];
566:
567: move(l, c);
568: if (n == 0) {
569: while (w-- > 0)
570: addch(' ');
571: return;
572: }
1.12 deraadt 573: snprintf(b, sizeof b, "%*d", w, n);
1.1 deraadt 574: if (strlen(b) > w) {
575: while (w-- > 0)
576: addch('*');
577: return;
578: }
579: addstr(b);
580: }
581:
582: static void
1.35 deraadt 583: putfloat(double f, int l, int c, int w, int d, int nz)
1.1 deraadt 584: {
585: char b[128];
586:
587: move(l, c);
588: if (nz && f == 0.0) {
589: while (--w >= 0)
590: addch(' ');
591: return;
592: }
1.12 deraadt 593: snprintf(b, sizeof b, "%*.*f", w, d, f);
1.1 deraadt 594: if (strlen(b) > w) {
595: while (--w >= 0)
596: addch('*');
597: return;
598: }
599: addstr(b);
600: }
601:
602: static void
1.35 deraadt 603: getinfo(struct Info *s, enum state st)
1.1 deraadt 604: {
1.31 deraadt 605: static int cp_time_mib[] = { CTL_KERN, KERN_CPTIME };
606: static int nchstats_mib[2] = { CTL_KERN, KERN_NCHSTATS };
607: static int uvmexp_mib[2] = { CTL_VM, VM_UVMEXP };
608: static int vmtotal_mib[2] = { CTL_VM, VM_METER };
1.51 ! aaron 609: int mib[4], i;
1.1 deraadt 610: size_t size;
611:
1.2 deraadt 612: dkreadstats();
1.51 ! aaron 613:
! 614: for (i = 0; i < nintr; i++) {
! 615: mib[0] = CTL_KERN;
! 616: mib[1] = KERN_INTRCNT;
! 617: mib[2] = KERN_INTRCNT_CNT;
! 618: mib[3] = i;
! 619: size = sizeof(s->intrcnt[i]);
! 620: if (sysctl(mib, 4, &s->intrcnt[i], &size, NULL, 0) < 0)
! 621: s->intrcnt[i] = 0;
1.48 deraadt 622: }
1.51 ! aaron 623:
1.31 deraadt 624: size = sizeof(s->time);
625: if (sysctl(cp_time_mib, 2, &s->time, &size, NULL, 0) < 0) {
626: error("Can't get KERN_CPTIME: %s\n", strerror(errno));
627: bzero(&s->time, sizeof(s->time));
628: }
629:
630: size = sizeof(s->nchstats);
631: if (sysctl(nchstats_mib, 2, &s->nchstats, &size, NULL, 0) < 0) {
632: error("Can't get KERN_NCHSTATS: %s\n", strerror(errno));
633: bzero(&s->nchstats, sizeof(s->nchstats));
634: }
635:
636: size = sizeof(s->uvmexp);
637: if (sysctl(uvmexp_mib, 2, &s->uvmexp, &size, NULL, 0) < 0) {
638: error("Can't get VM_UVMEXP: %s\n", strerror(errno));
639: bzero(&s->uvmexp, sizeof(s->uvmexp));
640: }
641:
1.1 deraadt 642: size = sizeof(s->Total);
1.31 deraadt 643: if (sysctl(vmtotal_mib, 2, &s->Total, &size, NULL, 0) < 0) {
644: error("Can't get VM_METER: %s\n", strerror(errno));
1.1 deraadt 645: bzero(&s->Total, sizeof(s->Total));
646: }
647: }
648:
649: static void
1.35 deraadt 650: allocinfo(struct Info *s)
1.1 deraadt 651: {
652:
1.38 jason 653: s->intrcnt = (int *) malloc(nintr * sizeof(int));
1.1 deraadt 654: if (s->intrcnt == NULL)
655: errx(2, "out of memory");
656: }
657:
658: static void
1.35 deraadt 659: copyinfo(struct Info *from, struct Info *to)
1.1 deraadt 660: {
1.38 jason 661: int *intrcnt;
1.1 deraadt 662:
1.2 deraadt 663: intrcnt = to->intrcnt;
1.1 deraadt 664: *to = *from;
665: bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
666: }
667:
668: static void
1.35 deraadt 669: dinfo(int dn, int c)
1.1 deraadt 670: {
1.2 deraadt 671: double words, atime;
1.1 deraadt 672:
1.32 tdeval 673: c += DISKCOL;
1.2 deraadt 674:
675: /* time busy in disk activity */
676: atime = (double)cur.dk_time[dn].tv_sec +
1.31 deraadt 677: ((double)cur.dk_time[dn].tv_usec / (double)1000000);
1.2 deraadt 678:
1.44 tedu 679: /* # of K transferred */
680: words = (cur.dk_rbytes[dn] + cur.dk_wbytes[dn]) / 1024.0;
1.2 deraadt 681:
682: putint((int)((float)cur.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
1.44 tedu 683: putint((int)((float)(cur.dk_rxfer[dn] + cur.dk_wxfer[dn])/etime+0.5),
684: DISKROW + 2, c, 5);
1.2 deraadt 685: putint((int)(words/etime + 0.5), DISKROW + 3, c, 5);
686: putfloat(atime/etime, DISKROW + 4, c, 5, 1, 1);
1.1 deraadt 687: }
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