projects / unix-history / blob
? search:
summary | tags | clone url | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
install with -s
[unix-history] / usr / src / usr.bin / systat / vmstat.c
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983 Regents of the University of California.\n\
All rights reserved.\n";
#endif not lint
#ifndef lint
static char sccsid[] = "@(#)vmstat.c 5.1 (Berkeley) %G%";
#endif not lint
/*
* Cursed vmstat -- from Robert Elz.
*/
#include <curses.h>
#include <signal.h>
#include <nlist.h>
/* this is STUPID!
#include <sys/time.h>
*/
#include <ctype.h>
#include <utmp.h>
#include <sys/param.h>
#include <sys/vm.h>
#include <sys/dk.h>
#include <sys/buf.h>
#include <vaxuba/ubavar.h>
#include <vaxmba/mbavar.h>
#include <sys/stat.h>
#include <sys/dir.h>
#include <sys/user.h>
#include <sys/proc.h>
#include <vax/pte.h>
#include <sys/namei.h>
/*
* These constants define where the major pieces are laid out
*/
#define PROCSROW 13 /* uses 2 rows and 20 cols */
#define PROCSCOL 0
#define NAMEIROW 20 /* uses 3 rows and 38 cols */
#define NAMEICOL 0
#define GRAPHROW 16 /* uses 3 rows and 51 cols */
#define GRAPHCOL 0
#define GENSTATROW 14 /* uses 8 rows and 11 cols */
#define GENSTATCOL 51
#define INTSROW 2 /* uses all rows to bottom and 17 cols */
#define INTSCOL 63
#define STATROW 0 /* uses 1 row and 68 cols */
#define STATCOL 2
#define PAGEROW 2 /* uses 11 rows and 26 cols */
#define PAGECOL 36
#define MEMROW 2 /* uses 4 rows and 31 cols */
#define MEMCOL 0
#define DISKROW 7 /* uses 5 rows and 35 cols */
#define DISKCOL 0
/*
* Maximum number of times that the clock may no longer advance.
*/
#define LOOPMAX 10
#if DK_NDRIVE > 6
#undef DK_NDRIVE
#define DK_NDRIVE 6
#endif
char *fread();
long time();
float cputime();
char *asctime();
struct tm *localtime();
void finish();
void docmd();
struct utmp utmp;
struct nlist name[] = {
{ "_cp_time" },
#define X_CPTIME 0
{ "_rate" },
#define X_RATE 1
{ "_total" },
#define X_TOTAL 2
{ "_avenrun" },
#define X_AVENRUN 3
{ "_proc" },
#define X_PROC 4
{ "_nproc" },
#define X_NPROC 5
{ "_bootime" },
#define X_BOOTIME 6
{ "_deficit" },
#define X_DEFICIT 7
{ "_ubdinit" },
#define X_UBDINIT 8
{ "_mbdinit" },
#define X_MBDINIT 9
{ "_sum" },
#define X_SUM 10
{ "_dk_busy" },
#define X_DK_BUSY 11
{ "_dk_time" },
#define X_DK_TIME 12
{ "_dk_xfer" },
#define X_DK_XFER 13
{ "_dk_wds" },
#define X_DK_WDS 14
{ "_tk_nin" },
#define X_TK_NIN 15
{ "_tk_nout" },
#define X_TK_NOUT 16
{ "_dk_seek" },
#define X_DK_SEEK 17
{ "_dk_mspw" },
#define X_DK_MSPW 18
{ "_hz" },
#define X_HZ 19
{ "_phz" },
#define X_PHZ 20
{ "_nchstats" },
#define X_NCHSTATS 21
{ "_intrnames" },
#define X_INTRNAMES 22
{ "_eintrnames" },
#define X_EINTRNAMES 23
{ "_intrcnt" },
#define X_INTRCNT 24
{ "_eintrcnt" },
#define X_EINTRCNT 25
{ 0 },
};
struct Info {
long time[CPUSTATES];
struct vmmeter Rate;
struct vmtotal Total;
struct vmmeter Sum;
struct forkstat Forkstat;
long dk_time[DK_NDRIVE];
long dk_wds[DK_NDRIVE];
long dk_seek[DK_NDRIVE];
long dk_xfer[DK_NDRIVE];
float dk_mspw[DK_NDRIVE];
int dk_busy;
long tk_nin;
long tk_nout;
struct nchstats nchstats;
long nchcount;
long *intrcnt;
} s, s1, s2, z;
#define total s.Total
#define sum s.Sum
#define sumold s1.Sum
#define rate s.Rate
#define nchtotal s.nchstats
#define oldnchtotal s1.nchstats
#define oldrate s1.Rate
#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
if(state == TIME) s1.nchstats.fld = t;}
int ut;
int kmem;
int deficit;
double avenrun[3];
long c;
char buf[26];
time_t t;
time_t bootime;
double etime;
int secs;
int delay = 5;
int hz;
int phz;
float hertz;
int nintr;
long *intrloc;
char **intrname;
char dr_name[DK_NDRIVE][10];
enum state { BOOT, TIME, RUN, STOP } state = TIME;
enum { NONE, SOME } dr_state[DK_NDRIVE];
char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' };
char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE };
main(argc,argv)
int argc;
char **argv;
{
time_t now, lastime, starttime;
int i, l, c, loopcnt;
int psiz;
int interv;
int hits;
float f1, f2;
int inttotal, nextintsrow;
char *intrnamebuf, *cp, *calloc(), *malloc();
if (argc > 1)
switch (c = argv[1][0] == '-' ? argv[1][1] : argv[1][0]) {
case 't':
state = TIME;
break;
case 'r':
state = RUN;
break;
case 'b':
state = BOOT;
break;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
delay = c - '0';
break;
}
if ((kmem = open("/dev/kmem",0)) < 0) {
fprintf(stderr, "No /dev/kmem \n");
exit(1);
}
if ((ut = open("/etc/utmp", 0)) < 0) {
fprintf(stderr, "No utmp\n");
exit(1);
}
nlist("/vmunix",name);
if (name[0].n_type == 0) {
fprintf(stderr, "No namelist\n");
exit(1);
}
lseek(kmem, (long)name[X_HZ].n_value, 0);
read(kmem, &hz, sizeof hz);
lseek(kmem, (long)name[X_PHZ].n_value, 0);
read(kmem, &phz, sizeof phz);
hertz = phz ? phz : hz;
lseek(kmem, (long)name[X_DK_MSPW].n_value, 0);
read(kmem, s.dk_mspw, sizeof s.dk_mspw);
for (i = 0; i < DK_NDRIVE; i++)
if (s.dk_mspw[i] == 0.0)
dr_state[i] = NONE;
else
dr_state[i] = SOME;
read_names();
nintr = (name[X_EINTRCNT].n_value -
name[X_INTRCNT].n_value) / sizeof(long);
intrloc = (long *) calloc(nintr, sizeof(long));
intrname = (char **) calloc(nintr, sizeof(long));
intrnamebuf = malloc(name[X_EINTRNAMES].n_value -
name[X_INTRNAMES].n_value);
if (intrnamebuf == NULL || intrname == NULL || intrloc == NULL) {
fprintf(stderr, "vsta: out of memory\n");
exit(1);
}
lseek(kmem, (long)name[X_INTRNAMES].n_value, 0);
read(kmem, intrnamebuf, name[X_EINTRNAMES].n_value -
name[X_INTRNAMES].n_value);
for (cp = intrnamebuf, i = 0; i < nintr; i++) {
intrname[i] = cp;
cp += strlen(cp) + 1;
}
nextintsrow = INTSROW + 2;
allocinfo(&s);
allocinfo(&s1);
allocinfo(&s2);
allocinfo(&z);
time(&lastime);
starttime = lastime;
getinfo(&s2, RUN);
switch (state) {
case RUN:
copyinfo(&s2, &s1);
break;
case TIME:
getinfo(&s1, TIME);
break;
case BOOT:
copyinfo(&z, &s1);
break;
default:
fprintf(stderr, "vsta: bad state %d\n", state);
exit(3);
break;
}
lseek(kmem, (long)name[X_BOOTIME].n_value, 0);
read(kmem, &bootime, sizeof bootime);
initscr();
signal(SIGINT, finish);
noecho();
crmode();
layout();
for (loopcnt = 0; loopcnt < LOOPMAX; loopcnt++) {
while (state == STOP)
waittty(delay*10);
time(&now);
strcpy(buf, ctime(&now));
buf[16] = '\0';
getinfo(&s, state);
for (i = 0; i < DK_NDRIVE; i++) {
X(dk_xfer); X(dk_seek); X(dk_wds); X(dk_time);
}
Y(tk_nin); Y(tk_nout);
etime = 0;
for(i = 0; i < CPUSTATES; i++) {
X(time);
etime += s.time[i];
}
if (etime < 5.0) /* < 5 ticks - ignore this trash */
continue;
loopcnt = 0;
etime /= hertz;
inttotal = 0;
for (i = 0; i < nintr; i++) {
if (s.intrcnt[i] == 0)
continue;
if (intrloc[i] == 0) {
if (nextintsrow == LINES)
continue;
intrloc[i] = nextintsrow++;
mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s",
intrname[i]);
}
X(intrcnt);
l = (int)((float)s.intrcnt[i]/etime + 0.5);
inttotal += l;
putint(l, intrloc[i], INTSCOL, 8);
}
putint(inttotal, INTSROW + 1, INTSCOL, 8);
Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes);
s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
nchtotal.ncs_miss + nchtotal.ncs_long;
if (state == TIME)
s1.nchcount = s.nchcount;
psiz = 0;
f2 = 0.0;
for (c = 0; c < CPUSTATES; c++) {
i = cpuorder[c];
f1 = cputime(i);
f2 += f1;
l = (int) ((f2 + 1.0) / 2.0) - psiz;
if (c == 0)
putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0);
else
putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c,
5, 1, 0);
move(GRAPHROW + 2, psiz);
psiz += l;
while (l-- > 0)
addch(cpuchar[c]);
}
putint(ucount(), STATROW, STATCOL, 3);
putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
mvaddstr(STATROW, STATCOL + 53, buf);
putint(total.t_arm/2, MEMROW + 2, MEMCOL + 4, 5);
putint(total.t_armtxt/2, MEMROW + 2, MEMCOL + 9, 5);
putint(total.t_avm/2, MEMROW + 2, MEMCOL + 14, 5);
putint(total.t_avmtxt/2, MEMROW + 2, MEMCOL + 19, 5);
putint(total.t_rm/2, MEMROW + 3, MEMCOL + 4, 5);
putint(total.t_rmtxt/2, MEMROW + 3, MEMCOL + 9, 5);
putint(total.t_vm/2, MEMROW + 3, MEMCOL + 14, 5);
putint(total.t_vmtxt/2, MEMROW + 3, MEMCOL + 19, 5);
putint(total.t_free/2, MEMROW + 2, MEMCOL + 26, 5);
putint(total.t_rq, PROCSROW + 1, PROCSCOL + 5, 3);
putint(total.t_pw, PROCSROW + 1, PROCSCOL + 8, 3);
putint(total.t_dw, PROCSROW + 1, PROCSCOL + 11, 3);
putint(total.t_sl, PROCSROW + 1, PROCSCOL + 14, 3);
putint(total.t_sw, PROCSROW + 1, PROCSCOL + 17, 3);
putrate(rate.v_swtch, oldrate.v_swtch,
GENSTATROW, GENSTATCOL, 7);
putrate(rate.v_trap, oldrate.v_trap,
GENSTATROW + 1, GENSTATCOL, 7);
putrate(rate.v_syscall, oldrate.v_syscall,
GENSTATROW + 2, GENSTATCOL, 7);
putrate(rate.v_intr, oldrate.v_intr,
GENSTATROW + 3, GENSTATCOL, 7);
putrate(rate.v_pdma, oldrate.v_pdma,
GENSTATROW + 4, GENSTATCOL, 7);
putrate(rate.v_faults, oldrate.v_faults,
GENSTATROW + 5, GENSTATCOL, 7);
putrate(rate.v_scan, oldrate.v_scan,
GENSTATROW + 6, GENSTATCOL, 7);
putrate(rate.v_rev, oldrate.v_rev,
GENSTATROW + 7, GENSTATCOL, 7);
putrate(rate.v_pgin, oldrate.v_pgin, PAGEROW + 2,
PAGECOL + 5, 5);
putrate(rate.v_pgout, oldrate.v_pgout, PAGEROW + 2,
PAGECOL + 10, 5);
putrate(rate.v_swpin, oldrate.v_swpin, PAGEROW + 2,
PAGECOL + 15, 5);
putrate(rate.v_swpout, oldrate.v_swpout, PAGEROW + 2,
PAGECOL + 20, 5);
putrate(rate.v_pgpgin, oldrate.v_pgpgin, PAGEROW + 3,
PAGECOL + 5, 5);
putrate(rate.v_pgpgout, oldrate.v_pgpgout, PAGEROW + 3,
PAGECOL + 10, 5);
putrate(rate.v_pswpin, oldrate.v_pswpin, PAGEROW + 3,
PAGECOL + 15, 5);
putrate(rate.v_pswpout, oldrate.v_pswpout, PAGEROW + 3,
PAGECOL + 20, 5);
putrate(rate.v_pgrec, oldrate.v_pgrec, PAGEROW + 6, PAGECOL, 3);
putrate(rate.v_intrans, oldrate.v_intrans, PAGEROW + 6,
PAGECOL + 4, 2);
putrate(rate.v_xsfrec, oldrate.v_xsfrec, PAGEROW + 6,
PAGECOL + 7, 3);
putrate(rate.v_xifrec, oldrate.v_xifrec, PAGEROW + 6,
PAGECOL + 11, 3);
putrate(rate.v_pgfrec, oldrate.v_pgfrec, PAGEROW + 6,
PAGECOL + 15, 3);
putrate(rate.v_dfree, oldrate.v_dfree, PAGEROW + 6,
PAGECOL + 19, 3);
putrate(rate.v_seqfree, oldrate.v_seqfree, PAGEROW + 6,
PAGECOL + 23, 3);
putrate(rate.v_zfod, oldrate.v_zfod, PAGEROW + 8, PAGECOL, 8);
putrate(rate.v_nzfod, oldrate.v_nzfod, PAGEROW + 9, PAGECOL, 8);
putrate(rate.v_exfod, oldrate.v_exfod, PAGEROW + 8,
PAGECOL + 14, 8);
putrate(rate.v_nexfod, oldrate.v_nexfod, PAGEROW + 9,
PAGECOL + 14, 8);
putfloat (
rate.v_nzfod == 0 ?
0.0
: state != RUN ?
( 100.0 * rate.v_zfod / rate.v_nzfod )
: rate.v_nzfod == oldrate.v_nzfod ?
0.0
:
( 100.0 * (rate.v_zfod-oldrate.v_zfod)
/ (rate.v_nzfod-oldrate.v_nzfod) )
, PAGEROW + 10
, PAGECOL
, 8
, 2
, 1
);
putfloat (
rate.v_nexfod == 0 ?
0.0
: state != RUN ?
( 100.0 * rate.v_exfod / rate.v_nexfod )
: rate.v_nexfod == oldrate.v_nexfod ?
0.0
:
( 100.0 * (rate.v_exfod-oldrate.v_exfod)
/ (rate.v_nexfod-oldrate.v_nexfod) )
, PAGEROW + 10
, PAGECOL + 14
, 8
, 2
, 1
);
c = 1;
for (i = 0; i < DK_NDRIVE; i++)
if (dr_state[i] == SOME)
dinfo(i, c++);
putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9);
#define nz(x) ((x) ? (x) : 1)
putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount),
NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1);
#undef nz
move(LINES-1,0);
refresh();
waittty(delay);
}
clear();
mvprintw(2, 10, "THE SYSTEM CLOCK HAS DIED!");
refresh();
sleep(5);
finish();
}
/* calculate number of users on the system */
ucount()
{
register int nusers = 0;
while (read(ut, &utmp, sizeof(utmp)))
if (utmp.ut_name[0] != '\0')
nusers++;
lseek(ut, 0L, 0);
return(nusers);
}
float
cputime(indx)
int indx;
{
double t;
register i;
t = 0;
for (i = 0; i < CPUSTATES; i++)
t += s.time[i];
if (t == 0.0)
t = 1.0;
return(s.time[indx] * 100.0 / t);
}
void
finish()
{
mvcur(0, COLS-1, LINES-1, 0);
endwin();
exit(0);
}
waittty(period)
{
int inbits = 1 << 0;
struct timeval tv;
tv.tv_usec = 0;
tv.tv_sec = period;
select(32, &inbits, 0, 0, &tv);
if (inbits & (1 << 0))
docmd();
}
void
docmd()
{
int c;
static enum state oldstate;
c = getchar() & 0177;
switch ( c ) {
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
delay = c - '0';
state = TIME;
break;
case 'r':
copyinfo(&s2, &s1);
state = RUN;
break;
case 'b':
state = BOOT;
copyinfo(&z, &s1);
break;
case 't':
state = TIME;
break;
case 'l': case 'l'&037:
layout();
if (state == STOP)
state = oldstate;
break;
case 'z':
if (state == RUN)
getinfo(&s1, RUN);
else if (state == STOP)
state = oldstate;
break;
case 'q': case 0177:
finish();
/* NOTREACHED */
case ' ': case '0':
if (state == STOP) {
state = oldstate;
break;
}
oldstate = state;
state = STOP;
break;
default:
if (state == STOP)
state = oldstate;
}
}
layout()
{
register i, j;
clear();
mvprintw(STATROW, STATCOL + 4, "users Load");
mvprintw(MEMROW, MEMCOL, "Mem REAL VIRTUAL ");
mvprintw(MEMROW + 1, MEMCOL, " Tot Text Tot Text");
mvprintw(MEMROW + 2, MEMCOL, "Act");
mvprintw(MEMROW + 3, MEMCOL, "All");
mvprintw(MEMROW + 1, MEMCOL + 27, "Free");
mvprintw(PAGEROW, PAGECOL, " PAGING SWAPING ");
mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
mvprintw(PAGEROW + 2, PAGECOL, "count");
mvprintw(PAGEROW + 3, PAGECOL, "pages");
mvprintw(INTSROW, INTSCOL, " Interrupts");
mvprintw(INTSROW + 1, INTSCOL + 9, "total");
mvprintw(GENSTATROW, GENSTATCOL + 8, "Csw");
mvprintw(GENSTATROW + 1, GENSTATCOL + 8, "Trp");
mvprintw(GENSTATROW + 2, GENSTATCOL + 8, "Sys");
mvprintw(GENSTATROW + 3, GENSTATCOL + 8, "Int");
mvprintw(GENSTATROW + 4, GENSTATCOL + 8, "Pdm");
mvprintw(GENSTATROW + 5, GENSTATCOL + 8, "Flt");
mvprintw(GENSTATROW + 6, GENSTATCOL + 8, "Scn");
mvprintw(GENSTATROW + 7, GENSTATCOL + 8, "Rev");
mvprintw(PAGEROW + 5, PAGECOL, "Rec It F/S F/F RFL Fre SFr");
mvprintw(PAGEROW + 8, PAGECOL + 9, " zf");
mvprintw(PAGEROW + 9, PAGECOL + 9, "nzf");
mvprintw(PAGEROW + 10, PAGECOL + 9, "%%zf");
mvprintw(PAGEROW + 8, PAGECOL + 23, " xf");
mvprintw(PAGEROW + 9, PAGECOL + 23, "nxf");
mvprintw(PAGEROW + 10, PAGECOL + 23, "%%xf");
mvprintw(GRAPHROW, GRAPHCOL,
" . %% Sys . %% User . %% Nice . %% Idle");
mvprintw(PROCSROW, PROCSCOL, "Procs r p d s w");
mvprintw(GRAPHROW + 1, GRAPHCOL,
"| | | | | | | | | | |");
mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache");
mvprintw(NAMEIROW + 1, NAMEICOL,
" Calls hits %% hits %%");
mvprintw(DISKROW, DISKCOL, "Discs");
mvprintw(DISKROW + 1, DISKCOL, "seeks");
mvprintw(DISKROW + 2, DISKCOL, "xfers");
mvprintw(DISKROW + 3, DISKCOL, " blks");
mvprintw(DISKROW + 4, DISKCOL, " msps");
j = 0;
for (i = 0; i < DK_NDRIVE; i++)
if (dr_state[i] == SOME) {
mvprintw(DISKROW, DISKCOL + 5 + 5 * j,
" %3.3s", dr_name[j]);
j++;
}
for (i = 0; i < nintr; i++) {
if (intrloc[i] == 0)
continue;
mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]);
}
}
putrate(r, or, l, c, w)
{
if (state != TIME) {
if (state == RUN)
r -= or;
putint((int)((float)r/etime + 0.5), l, c, w);
} else
putint(r, l, c, w);
}
putint(n, l, c, w)
{
char b[128];
move(l, c);
if (n == 0) {
while (w-- > 0)
addch(' ');
return;
}
sprintf(b, "%*d", w, n);
if (strlen(b) > w) {
while (w-- > 0)
addch('*');
return;
}
addstr(b);
}
putfloat(f, l, c, w, d, nz)
float f;
{
char b[128];
move(l, c);
if (nz && f == 0.0) {
while (w-- > 0)
addch(' ');
return;
}
sprintf(b, "%*.*f", w, d, f);
if (strlen(b) > w) {
while (w-- > 0)
addch('*');
return;
}
addstr(b);
}
/*
* Read the drive names out of kmem.
* ARGH ARGH ARGH ARGH !!!!!!!!!!!!
*/
#define steal(where, var) lseek(kmem, where, 0); read(kmem, &var, sizeof var);
read_names()
{
struct mba_device mdev;
register struct mba_device *mp;
struct mba_driver mdrv;
short two_char;
char *cp = (char *) &two_char;
struct uba_device udev, *up;
struct uba_driver udrv;
mp = (struct mba_device *) name[X_MBDINIT].n_value;
up = (struct uba_device *) name[X_UBDINIT].n_value;
if (up == 0)
{
fprintf(stderr, "vsta: Disk init info not in namelist\n");
exit(1);
}
if (mp)
while(1)
{
steal(mp++, mdev);
if (mdev.mi_driver == 0)
break;
if (mdev.mi_dk < 0 || mdev.mi_alive == 0)
continue;
steal(mdev.mi_driver, mdrv);
steal(mdrv.md_dname, two_char);
sprintf(dr_name[mdev.mi_dk], "%c%c%d", cp[0], cp[1], mdev.mi_unit);
}
while(1)
{
steal(up++, udev);
if (udev.ui_driver == 0)
break;
if (udev.ui_dk < 0 || udev.ui_alive == 0)
continue;
steal(udev.ui_driver, udrv);
steal(udrv.ud_dname, two_char);
sprintf(dr_name[udev.ui_dk], "%c%c%d", cp[0], cp[1], udev.ui_unit);
}
}
getinfo(s, st)
struct Info *s;
enum state st;
{
lseek(kmem, (long)name[X_CPTIME].n_value,0);
read(kmem, s->time, sizeof s->time);
if (st != TIME) {
lseek(kmem, (long)name[X_SUM].n_value, 0);
read(kmem, &s->Rate, sizeof &s->Rate);
} else {
lseek(kmem, (long)name[X_RATE].n_value,0);
read(kmem, &s->Rate, sizeof s->Rate);
}
lseek(kmem, (long)name[X_DEFICIT].n_value,0);
read(kmem, deficit, sizeof deficit);
lseek( kmem, (long)name[X_AVENRUN].n_value, 0 );
read( kmem, avenrun, sizeof(avenrun) );
lseek(kmem, (long)name[X_TOTAL].n_value,0);
read(kmem, &s->Total, sizeof s->Total);
lseek(kmem, (long)name[X_DK_BUSY].n_value, 0);
read(kmem, &s->dk_busy, sizeof s->dk_busy);
lseek(kmem, (long)name[X_DK_TIME].n_value, 0);
read(kmem, s->dk_time, sizeof s->dk_time);
lseek(kmem, (long)name[X_DK_XFER].n_value, 0);
read(kmem, s->dk_xfer, sizeof s->dk_xfer);
lseek(kmem, (long)name[X_DK_WDS].n_value, 0);
read(kmem, s->dk_wds, sizeof s->dk_wds);
lseek(kmem, (long)name[X_TK_NIN].n_value, 0);
read(kmem, &s->tk_nin, sizeof s->tk_nin);
lseek(kmem, (long)name[X_TK_NOUT].n_value, 0);
read(kmem, &s->tk_nout, sizeof s->tk_nout);
lseek(kmem, (long)name[X_DK_SEEK].n_value, 0);
read(kmem, s->dk_seek, sizeof s->dk_seek);
lseek(kmem, (long)name[X_NCHSTATS].n_value, 0);
read(kmem, &s->nchstats, sizeof s->nchstats);
lseek(kmem, (long)name[X_INTRCNT].n_value, 0);
read(kmem, s->intrcnt, nintr * sizeof (long));
}
allocinfo(s)
struct Info *s;
{
s->intrcnt = (long *) malloc(nintr * sizeof(long));
if (s->intrcnt == NULL) {
fprintf(stderr, "vsta: out of memory\n");
exit(2);
}
}
copyinfo(from, to)
struct Info *from, *to;
{
register int i, *fip = from->intrcnt, *tip = to->intrcnt;
*to = *from;
to->intrcnt = tip;
for (i = 0; i < nintr; i++)
*tip++ = *fip++;
}
dinfo(dn, c)
{
double words, atime, itime, xtime;
c = DISKCOL + c * 5;
atime = s.dk_time[dn];
atime /= 60.0;
words = s.dk_wds[dn]*32.0; /* number of words transferred */
xtime = s.dk_mspw[dn]*words; /* transfer time */
itime = atime - xtime; /* time not transferring */
if (xtime < 0)
itime += xtime, xtime = 0;
if (itime < 0)
xtime += itime, itime = 0;
putint((int)((float)s.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
putint((int)((float)s.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5);
putint((int)(words/etime/512.0 + 0.5), DISKROW + 3, c, 5);
if (s.dk_seek[dn])
putfloat(itime*1000.0/s.dk_seek[dn], DISKROW + 4, c, 5, 1, 1);
else
putint(0, DISKROW + 4, c, 5);
}
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.