freebsd-skq/bin/ps/print.c
harti a45a05930d Implement the nwchan keyword that has been in the man page, but was
not implemented. This is just handy if you want to ddb the address
some process is waiting on.
2003-08-13 07:35:07 +00:00

804 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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 = (struct priority *) ((char *)k + v->off);
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);
}