freebsd-nq/bin/ps/print.c
Mark Murray 6195fb4102 Remove clause 3 from the UCB licenses.
OK'ed by:	imp, core
2004-04-06 20:06:54 +00:00

800 lines
16 KiB
C

/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if 0
#ifndef lint
static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/mac.h>
#include <sys/user.h>
#include <sys/sysctl.h>
#include <err.h>
#include <grp.h>
#include <langinfo.h>
#include <locale.h>
#include <math.h>
#include <nlist.h>
#include <pwd.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vis.h>
#include "ps.h"
#define ps_pgtok(a) (((a) * getpagesize()) / 1024)
void
printheader(void)
{
VAR *v;
struct varent *vent;
int allempty;
allempty = 1;
for (vent = vhead; vent; vent = vent->next)
if (*vent->header != '\0') {
allempty = 0;
break;
}
if (allempty)
return;
for (vent = vhead; vent; vent = vent->next) {
v = vent->var;
if (v->flag & LJUST) {
if (vent->next == NULL) /* last one */
(void)printf("%s", vent->header);
else
(void)printf("%-*s", v->width, vent->header);
} else
(void)printf("%*s", v->width, vent->header);
if (vent->next != NULL)
(void)putchar(' ');
}
(void)putchar('\n');
}
void
arguments(KINFO *k, VARENT *ve)
{
VAR *v;
int left;
char *cp, *vis_args;
v = ve->var;
if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
errx(1, "malloc failed");
strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
if (ve->next == NULL) {
/* last field */
if (termwidth == UNLIMITED) {
(void)printf("%s", vis_args);
} else {
left = termwidth - (totwidth - v->width);
if (left < 1) /* already wrapped, just use std width */
left = v->width;
for (cp = vis_args; --left >= 0 && *cp != '\0';)
(void)putchar(*cp++);
}
} else {
(void)printf("%-*.*s", v->width, v->width, vis_args);
}
free(vis_args);
}
void
command(KINFO *k, VARENT *ve)
{
VAR *v;
int left;
char *cp, *vis_env, *vis_args;
v = ve->var;
if (cflag) {
if (ve->next == NULL) /* last field, don't pad */
(void)printf("%s", k->ki_p->ki_comm);
else
(void)printf("%-*s", v->width, k->ki_p->ki_comm);
return;
}
if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
errx(1, "malloc failed");
strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
if (k->ki_env) {
if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
errx(1, "malloc failed");
strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
} else
vis_env = NULL;
if (ve->next == NULL) {
/* last field */
if (termwidth == UNLIMITED) {
if (vis_env)
(void)printf("%s ", vis_env);
(void)printf("%s", vis_args);
} else {
left = termwidth - (totwidth - v->width);
if (left < 1) /* already wrapped, just use std width */
left = v->width;
if ((cp = vis_env) != NULL) {
while (--left >= 0 && *cp)
(void)putchar(*cp++);
if (--left >= 0)
putchar(' ');
}
for (cp = vis_args; --left >= 0 && *cp != '\0';)
(void)putchar(*cp++);
}
} else
/* XXX env? */
(void)printf("%-*.*s", v->width, v->width, vis_args);
free(vis_args);
if (vis_env != NULL)
free(vis_env);
}
void
ucomm(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%-*s", v->width, k->ki_p->ki_comm);
}
void
logname(KINFO *k, VARENT *ve)
{
VAR *v;
char *s;
v = ve->var;
(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
}
void
state(KINFO *k, VARENT *ve)
{
int flag, sflag, tdflags;
char *cp;
VAR *v;
char buf[16];
v = ve->var;
flag = k->ki_p->ki_flag;
sflag = k->ki_p->ki_sflag;
tdflags = k->ki_p->ki_tdflags; /* XXXKSE */
cp = buf;
switch (k->ki_p->ki_stat) {
case SSTOP:
*cp = 'T';
break;
case SSLEEP:
if (tdflags & TDF_SINTR) /* interruptable (long) */
*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
else
*cp = 'D';
break;
case SRUN:
case SIDL:
*cp = 'R';
break;
case SWAIT:
*cp = 'W';
break;
case SLOCK:
*cp = 'L';
break;
case SZOMB:
*cp = 'Z';
break;
default:
*cp = '?';
}
cp++;
if (!(sflag & PS_INMEM))
*cp++ = 'W';
if (k->ki_p->ki_nice < NZERO)
*cp++ = '<';
else if (k->ki_p->ki_nice > NZERO)
*cp++ = 'N';
if (flag & P_TRACED)
*cp++ = 'X';
if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
*cp++ = 'E';
if (flag & P_PPWAIT)
*cp++ = 'V';
if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
*cp++ = 'L';
if (k->ki_p->ki_kiflag & KI_SLEADER)
*cp++ = 's';
if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
*cp++ = '+';
if (flag & P_JAILED)
*cp++ = 'J';
*cp = '\0';
(void)printf("%-*s", v->width, buf);
}
void
pri(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%*d", v->width, k->ki_p->ki_pri.pri_level - PZERO);
}
void
uname(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_uid, 0));
}
int
s_uname(KINFO *k)
{
return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
}
void
rgroupname(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%-*s", v->width, group_from_gid(k->ki_p->ki_rgid, 0));
}
int
s_rgroupname(KINFO *k)
{
return (strlen(group_from_gid(k->ki_p->ki_rgid, 0)));
}
void
runame(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%-*s", v->width, user_from_uid(k->ki_p->ki_ruid, 0));
}
int
s_runame(KINFO *k)
{
return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
}
void
tdev(KINFO *k, VARENT *ve)
{
VAR *v;
dev_t dev;
char buff[16];
v = ve->var;
dev = k->ki_p->ki_tdev;
if (dev == NODEV)
(void)printf("%*s", v->width, "??");
else {
(void)snprintf(buff, sizeof(buff),
"%d/%d", major(dev), minor(dev));
(void)printf("%*s", v->width, buff);
}
}
void
tname(KINFO *k, VARENT *ve)
{
VAR *v;
dev_t dev;
char *ttname;
v = ve->var;
dev = k->ki_p->ki_tdev;
if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
(void)printf("%*s ", v->width - 1, "??");
else {
if (strncmp(ttname, "tty", 3) == 0 ||
strncmp(ttname, "cua", 3) == 0)
ttname += 3;
(void)printf("%*.*s%c", v->width - 1, v->width - 1, ttname,
k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
}
}
void
longtname(KINFO *k, VARENT *ve)
{
VAR *v;
dev_t dev;
char *ttname;
v = ve->var;
dev = k->ki_p->ki_tdev;
if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
(void)printf("%-*s", v->width, "??");
else
(void)printf("%-*s", v->width, ttname);
}
void
started(KINFO *k, VARENT *ve)
{
VAR *v;
time_t then;
struct tm *tp;
static int use_ampm = -1;
char buf[100];
v = ve->var;
if (!k->ki_valid) {
(void)printf("%-*s", v->width, "-");
return;
}
if (use_ampm < 0)
use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
then = k->ki_p->ki_start.tv_sec;
tp = localtime(&then);
if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
(void)strftime(buf, sizeof(buf),
use_ampm ? "%l:%M%p" : "%k:%M ", tp);
} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
(void)strftime(buf, sizeof(buf),
use_ampm ? "%a%I%p" : "%a%H ", tp);
} else
(void)strftime(buf, sizeof(buf), "%e%b%y", tp);
(void)printf("%-*s", v->width, buf);
}
void
lstarted(KINFO *k, VARENT *ve)
{
VAR *v;
time_t then;
char buf[100];
v = ve->var;
if (!k->ki_valid) {
(void)printf("%-*s", v->width, "-");
return;
}
then = k->ki_p->ki_start.tv_sec;
(void)strftime(buf, sizeof(buf), "%c", localtime(&then));
(void)printf("%-*s", v->width, buf);
}
void
lockname(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
if (k->ki_p->ki_lockname[0] != 0)
(void)printf("%-*.*s", v->width, v->width,
k->ki_p->ki_lockname);
else
(void)printf("%-*s", v->width, "???");
} else
(void)printf("%-*s", v->width, "-");
}
void
wchan(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
if (k->ki_p->ki_wchan) {
if (k->ki_p->ki_wmesg[0] != 0)
(void)printf("%-*.*s", v->width, v->width,
k->ki_p->ki_wmesg);
else
(void)printf("%-*lx", v->width,
(long)k->ki_p->ki_wchan);
} else
(void)printf("%-*s", v->width, "-");
}
void
nwchan(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
if (k->ki_p->ki_wchan) {
(void)printf("%0*lx", v->width,
(long)k->ki_p->ki_wchan);
} else
(void)printf("%-*s", v->width, "-");
}
void
mwchan(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
if (k->ki_p->ki_wchan) {
if (k->ki_p->ki_wmesg[0] != 0)
(void)printf("%-*.*s", v->width, v->width,
k->ki_p->ki_wmesg);
else
(void)printf("%-*lx", v->width,
(long)k->ki_p->ki_wchan);
} else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
if (k->ki_p->ki_lockname[0]) {
(void)printf("%-*.*s", v->width, v->width,
k->ki_p->ki_lockname);
} else
(void)printf("%-*s", v->width, "???");
} else
(void)printf("%-*s", v->width, "-");
}
void
vsize(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%*lu", v->width, (u_long)(k->ki_p->ki_size / 1024));
}
void
cputime(KINFO *k, VARENT *ve)
{
VAR *v;
long secs;
long psecs; /* "parts" of a second. first micro, then centi */
char obuff[128];
static char decimal_point;
if (decimal_point == '\0')
decimal_point = localeconv()->decimal_point[0];
v = ve->var;
if (k->ki_p->ki_stat == SZOMB || !k->ki_valid) {
secs = 0;
psecs = 0;
} else {
/*
* This counts time spent handling interrupts. We could
* fix this, but it is not 100% trivial (and interrupt
* time fractions only work on the sparc anyway). XXX
*/
secs = k->ki_p->ki_runtime / 1000000;
psecs = k->ki_p->ki_runtime % 1000000;
if (sumrusage) {
secs += k->ki_p->ki_childtime.tv_sec;
psecs += k->ki_p->ki_childtime.tv_usec;
}
/*
* round and scale to 100's
*/
psecs = (psecs + 5000) / 10000;
secs += psecs / 100;
psecs = psecs % 100;
}
(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld%c%02ld",
secs / 60, secs % 60, decimal_point, psecs);
(void)printf("%*s", v->width, obuff);
}
void
elapsed(KINFO *k, VARENT *ve)
{
VAR *v;
time_t val;
int days, hours, mins, secs;
char obuff[128];
v = ve->var;
val = now - k->ki_p->ki_start.tv_sec;
days = val / (24 * 60 * 60);
val %= 24 * 60 * 60;
hours = val / (60 * 60);
val %= 60 * 60;
mins = val / 60;
secs = val % 60;
if (days != 0)
(void)snprintf(obuff, sizeof(obuff), "%3d-%02d:%02d:%02d",
days, hours, mins, secs);
else if (hours != 0)
(void)snprintf(obuff, sizeof(obuff), "%02d:%02d:%02d",
hours, mins, secs);
else
(void)snprintf(obuff, sizeof(obuff), "%02d:%02d", mins, secs);
(void)printf("%*s", v->width, obuff);
}
double
getpcpu(const KINFO *k)
{
static int failure;
if (!nlistread)
failure = donlist();
if (failure)
return (0.0);
#define fxtofl(fixpt) ((double)(fixpt) / fscale)
/* XXX - I don't like this */
if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_sflag & PS_INMEM) == 0)
return (0.0);
if (rawcpu)
return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
}
void
pcpu(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%*.1f", v->width, getpcpu(k));
}
static double
getpmem(KINFO *k)
{
static int failure;
double fracmem;
if (!nlistread)
failure = donlist();
if (failure)
return (0.0);
if ((k->ki_p->ki_sflag & PS_INMEM) == 0)
return (0.0);
/* XXX want pmap ptpages, segtab, etc. (per architecture) */
/* XXX don't have info about shared */
fracmem = ((float)k->ki_p->ki_rssize) / mempages;
return (100.0 * fracmem);
}
void
pmem(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%*.1f", v->width, getpmem(k));
}
void
pagein(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
(void)printf("%*ld", v->width,
k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
}
/* ARGSUSED */
void
maxrss(KINFO *k __unused, VARENT *ve)
{
VAR *v;
v = ve->var;
/* XXX not yet */
(void)printf("%*s", v->width, "-");
}
void
priorityr(KINFO *k, VARENT *ve)
{
VAR *v;
struct priority *lpri;
char str[8];
unsigned class, level;
v = ve->var;
lpri = &k->ki_p->ki_pri;
class = lpri->pri_class;
level = lpri->pri_level;
switch (class) {
case PRI_REALTIME:
snprintf(str, sizeof(str), "real:%u", level);
break;
case PRI_TIMESHARE:
strncpy(str, "normal", sizeof(str));
break;
case PRI_IDLE:
snprintf(str, sizeof(str), "idle:%u", level);
break;
default:
snprintf(str, sizeof(str), "%u:%u", class, level);
break;
}
str[sizeof(str) - 1] = '\0';
(void)printf("%*s", v->width, str);
}
/*
* Generic output routines. Print fields from various prototype
* structures.
*/
static void
printval(void *bp, VAR *v)
{
static char ofmt[32] = "%";
const char *fcp;
char *cp;
cp = ofmt + 1;
fcp = v->fmt;
if (v->flag & LJUST)
*cp++ = '-';
*cp++ = '*';
while ((*cp++ = *fcp++));
#define CHKINF127(n) (((n) > 127) && (v->flag & INF127) ? 127 : (n))
switch (v->type) {
case CHAR:
(void)printf(ofmt, v->width, *(char *)bp);
break;
case UCHAR:
(void)printf(ofmt, v->width, *(u_char *)bp);
break;
case SHORT:
(void)printf(ofmt, v->width, *(short *)bp);
break;
case USHORT:
(void)printf(ofmt, v->width, *(u_short *)bp);
break;
case INT:
(void)printf(ofmt, v->width, *(int *)bp);
break;
case UINT:
(void)printf(ofmt, v->width, CHKINF127(*(u_int *)bp));
break;
case LONG:
(void)printf(ofmt, v->width, *(long *)bp);
break;
case ULONG:
(void)printf(ofmt, v->width, *(u_long *)bp);
break;
case KPTR:
(void)printf(ofmt, v->width, *(u_long *)bp);
break;
case PGTOK:
(void)printf(ofmt, v->width, ps_pgtok(*(u_long *)bp));
break;
default:
errx(1, "unknown type %d", v->type);
}
}
void
kvar(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
printval((char *)((char *)k->ki_p + v->off), v);
}
void
rvar(KINFO *k, VARENT *ve)
{
VAR *v;
v = ve->var;
if (k->ki_valid)
printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
else
(void)printf("%*s", v->width, "-");
}
void
label(KINFO *k, VARENT *ve)
{
char *string;
VAR *v;
mac_t proclabel;
int error;
v = ve->var;
string = NULL;
if (mac_prepare_process_label(&proclabel) == -1) {
perror("mac_prepare_process_label");
goto out;
}
error = mac_get_pid(k->ki_p->ki_pid, proclabel);
if (error == 0) {
if (mac_to_text(proclabel, &string) == -1)
string = NULL;
}
mac_free(proclabel);
out:
if (string != NULL) {
(void)printf("%-*s", v->width, string);
free(string);
} else
(void)printf("%-*s", v->width, "");
return;
}
int
s_label(KINFO *k)
{
char *string = NULL;
mac_t proclabel;
int error, size = 0;
if (mac_prepare_process_label(&proclabel) == -1) {
perror("mac_prepare_process_label");
return (0);
}
error = mac_get_pid(k->ki_p->ki_pid, proclabel);
if (error == 0 && mac_to_text(proclabel, &string) == 0) {
size = strlen(string);
free(string);
}
mac_free(proclabel);
return (size);
}