changes for 4.4BSD-Lite requested by USL

[unix-history] / usr / src / bin / ps / print.c

/*-
* Copyright (c) 1990, 1993
*      The Regents of the University of California.  All rights reserved.
*
* %sccs.include.redist.c%
*/

#ifndef lint
static char sccsid[] = "@(#)print.c     8.2 (Berkeley) %G%";
#endif /* not lint */

#include <sys/param.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/proc.h>
#include <sys/stat.h>

#ifdef SPPWAIT
#define NEWVM
#endif

#ifdef NEWVM
#include <sys/ucred.h>
#include <sys/sysctl.h>
#include <vm/vm.h>
#else
#include <machine/pte.h>
#include <sys/vmparam.h>
#include <sys/vm.h>
#endif

#include <err.h>
#include <math.h>
#include <nlist.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <tzfile.h>

#include "ps.h"

static void printval __P((char*, struct var *));

void
printheader()
{
       register VAR *v;
       register struct varent *vent;

       for (vent = vhead; vent; vent = vent->next) {
               v = vent->var;
               if (v->flag & LJUST) {
                       if (vent->next == NULL) /* last one */
                               (void)printf("%s", v->header);
                       else
                               (void)printf("%-*s", v->width, v->header);
               } else
                       (void)printf("%*s", v->width, v->header);
               if (vent->next != NULL)
                       (void)putchar(' ');
       }
       (void)putchar('\n');
}

void
command(k, ve)
       KINFO *k;
       VARENT *ve;
{
       extern int termwidth, totwidth;
       VAR *v;

       v = ve->var;
       if (ve->next == NULL) {
               /* last field */
               if (termwidth == UNLIMITED) {
                       if (k->ki_env)
                               (void)printf("%s ", k->ki_env);
                       (void)printf("%s", k->ki_args);
               } else {
                       register int left = termwidth - (totwidth - v->width);
                       register char *cp;

                       if (left < 1) /* already wrapped, just use std width */
                               left = v->width;
                       cp = k->ki_env;
                       if (cp != 0) {
                               while (--left >= 0 && *cp)
                                       (void)putchar(*cp++);
                               if (--left >= 0)
                                       putchar(' ');
                       }
                       cp = k->ki_args;
                       while (--left >= 0 && *cp)
                               (void)putchar(*cp++);
               }
       } else
               /* XXX env? */
               (void)printf("%-*.*s", v->width, v->width, k->ki_args);
}

void
ucomm(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       (void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
}

void
logname(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
#ifndef NEWVM
       (void)printf("%-*s", v->width, KI_PROC(k)->p_logname);
#else /* NEWVM */
       (void)printf("%-*s", v->width, KI_EPROC(k)->e_login);
#endif /* NEWVM */
}

void
state(k, ve)
       KINFO *k;
       VARENT *ve;
{
       register struct proc *p;
       register int flag;
       register char *cp;
       VAR *v;
       char buf[16];

       v = ve->var;
       p = KI_PROC(k);
       flag = p->p_flag;
       cp = buf;

       switch (p->p_stat) {

       case SSTOP:
               *cp = 'T';
               break;

       case SSLEEP:
               if (flag & SSINTR)      /* interuptable (long) */
                       *cp = p->p_slptime >= MAXSLP ? 'I' : 'S';
               else
                       *cp = 'D';
               break;

       case SRUN:
       case SIDL:
               *cp = 'R';
               break;

       case SZOMB:
               *cp = 'Z';
               break;

       default:
               *cp = '?';
       }
       cp++;
       if (flag & SLOAD) {
#ifndef NEWVM
               if (p->p_rssize > p->p_maxrss)
                       *cp++ = '>';
#endif
       } else
               *cp++ = 'W';
       if (p->p_nice < NZERO)
               *cp++ = '<';
       else if (p->p_nice > NZERO)
               *cp++ = 'N';
#ifndef NEWVM
       if (flag & SUANOM)
               *cp++ = 'A';
       else if (flag & SSEQL)
               *cp++ = 'S';
#endif
       if (flag & STRC)
               *cp++ = 'X';
       if (flag & SWEXIT && p->p_stat != SZOMB)
               *cp++ = 'E';
#ifdef NEWVM
       if (flag & SPPWAIT)
#else
       if (flag & SVFORK)
#endif
               *cp++ = 'V';
#ifdef NEWVM
       if (flag & (SSYS|SLOCK|SKEEP|SPHYSIO))
#else
       if (flag & (SSYS|SLOCK|SULOCK|SKEEP|SPHYSIO))
#endif
               *cp++ = 'L';
       if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
               *cp++ = 's';
       if ((flag & SCTTY) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
               *cp++ = '+';
       *cp = '\0';
       (void)printf("%-*s", v->width, buf);
}

void
pri(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       (void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
}

void
uname(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
#ifndef NEWVM
       (void)printf("%-*s",
           (int)v->width, user_from_uid(KI_PROC(k)->p_uid, 0));
#else
       (void)printf("%-*s",
           (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
#endif
}

void
runame(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
#ifndef NEWVM
       (void)printf("%-*s",
           (int)v->width, user_from_uid(KI_PROC(k)->p_ruid, 0));
#else
       (void)printf("%-*s",
           (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
#endif
}

void
tdev(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;
       dev_t dev;
       char buff[16];

       v = ve->var;
       dev = KI_EPROC(k)->e_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(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;
       dev_t dev;
       char *ttname;

       v = ve->var;
       dev = KI_EPROC(k)->e_tdev;
       if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
               (void)printf("%-*s", v->width, "??");
       else {
               if (strncmp(ttname, "tty", 3) == 0)
                       ttname += 3;
               (void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
                       KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
       }
}

void
longtname(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;
       dev_t dev;
       char *ttname;

       v = ve->var;
       dev = KI_EPROC(k)->e_tdev;
       if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
               (void)printf("%-*s", v->width, "??");
       else
               (void)printf("%-*s", v->width, ttname);
}

void
started(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;
       static time_t now;
       struct tm *tp;
       char buf[100];

       v = ve->var;
       if (!k->ki_u.u_valid) {
               (void)printf("%-*s", v->width, "-");
               return;
       }

       tp = localtime(&k->ki_u.u_start.tv_sec);
       if (!now)
               (void)time(&now);
       if (now - k->ki_u.u_start.tv_sec < 24 * SECSPERHOUR) {
               static char fmt[] = "%l:@M%p";
               fmt[3] = '%';                   /* I *hate* SCCS... */
               (void)strftime(buf, sizeof(buf) - 1, fmt, tp);
       } else if (now - k->ki_u.u_start.tv_sec < 7 * SECSPERDAY) {
               static char fmt[] = "%a@I%p";
               fmt[2] = '%';                   /* I *hate* SCCS... */
               (void)strftime(buf, sizeof(buf) - 1, fmt, tp);
       } else
               (void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
       (void)printf("%-*s", v->width, buf);
}

void
lstarted(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;
       char buf[100];

       v = ve->var;
       if (!k->ki_u.u_valid) {
               (void)printf("%-*s", v->width, "-");
               return;
       }
       (void)strftime(buf, sizeof(buf) -1, "%C",
           localtime(&k->ki_u.u_start.tv_sec));
       (void)printf("%-*s", v->width, buf);
}

void
wchan(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       if (KI_PROC(k)->p_wchan) {
               if (KI_PROC(k)->p_wmesg)
                       (void)printf("%-*.*s", v->width, v->width, 
                                     KI_EPROC(k)->e_wmesg);
               else
                       (void)printf("%-*x", v->width,
                           (int)KI_PROC(k)->p_wchan &~ KERNBASE);
       } else
               (void)printf("%-*s", v->width, "-");
}

#define pgtok(a)        (((a)*NBPG)/1024)

void
vsize(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       (void)printf("%*d", v->width,
#ifndef NEWVM
           pgtok(KI_PROC(k)->p_dsize + KI_PROC(k)->p_ssize + KI_EPROC(k)->e_xsize));
#else /* NEWVM */
           pgtok(KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize +
               KI_EPROC(k)->e_vm.vm_tsize));
#endif /* NEWVM */
}

void
rssize(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
#ifndef NEWVM
       (void)printf("%*d", v->width,
           pgtok(KI_PROC(k)->p_rssize + (KI_EPROC(k)->e_xccount ?
           (KI_EPROC(k)->e_xrssize / KI_EPROC(k)->e_xccount) : 0)));
#else /* NEWVM */
       /* XXX don't have info about shared */
       (void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
#endif /* NEWVM */
}

void
p_rssize(k, ve)         /* doesn't account for text */
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
#ifndef NEWVM
       (void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_rssize));
#else /* NEWVM */
       (void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
#endif /* NEWVM */
}

void
cputime(k, ve)
       KINFO *k;
       VARENT *ve;
{
       extern int sumrusage;
       VAR *v;
       long secs;
       long psecs;     /* "parts" of a second. first micro, then centi */
       char obuff[128];

       v = ve->var;
       if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_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 = KI_PROC(k)->p_rtime.tv_sec;
               psecs = KI_PROC(k)->p_rtime.tv_usec;
               if (sumrusage) {
                       secs += k->ki_u.u_cru.ru_utime.tv_sec +
                               k->ki_u.u_cru.ru_stime.tv_sec;
                       psecs += k->ki_u.u_cru.ru_utime.tv_usec +
                               k->ki_u.u_cru.ru_stime.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.%02ld", secs/60, secs%60, psecs);
       (void)printf("%*s", v->width, obuff);
}

double
getpcpu(k)
       KINFO *k;
{
       extern fixpt_t ccpu;
       extern int fscale, nlistread, rawcpu;
       struct proc *p;
       static int failure;

       if (!nlistread)
               failure = donlist();
       if (failure)
               return (0.0);

       p = KI_PROC(k);
#define fxtofl(fixpt)   ((double)(fixpt) / fscale)

       /* XXX - I don't like this */
       if (p->p_swtime == 0 || (p->p_flag & SLOAD) == 0)
               return (0.0);
       if (rawcpu)
               return (100.0 * fxtofl(p->p_pctcpu));
       return (100.0 * fxtofl(p->p_pctcpu) /
               (1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
}

void
pcpu(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       (void)printf("%*.1f", v->width, getpcpu(k));
}

double
getpmem(k)
       KINFO *k;
{
       extern int mempages, nlistread;
       static int failure;
       struct proc *p;
       struct eproc *e;
       double fracmem;
       int szptudot;

       if (!nlistread)
               failure = donlist();
       if (failure)
               return (0.0);

       p = KI_PROC(k);
       e = KI_EPROC(k);
       if ((p->p_flag & SLOAD) == 0)
               return (0.0);
#ifndef NEWVM
       szptudot = UPAGES + clrnd(ctopt(p->p_dsize + p->p_ssize + e->e_xsize));
       fracmem = ((float)p->p_rssize + szptudot)/CLSIZE/mempages;
       if (p->p_textp && e->e_xccount)
               fracmem += ((float)e->e_xrssize)/CLSIZE/e->e_xccount/mempages;
#else /* NEWVM */
       /* XXX want pmap ptpages, segtab, etc. (per architecture) */
       szptudot = UPAGES;
       /* XXX don't have info about shared */
       fracmem = ((float)e->e_vm.vm_rssize + szptudot)/CLSIZE/mempages;
#endif /* NEWVM */
       return (100.0 * fracmem);
}

void
pmem(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       (void)printf("%*.1f", v->width, getpmem(k));
}

void
pagein(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       (void)printf("%*d", v->width, 
           k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
}

void
maxrss(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
#ifndef NEWVM   /* not yet */
       if (KI_PROC(k)->p_maxrss != (RLIM_INFINITY/NBPG))
               (void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_maxrss));
       else
#endif /* NEWVM */
               (void)printf("%*s", v->width, "-");
}

void
tsize(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
#ifndef NEWVM
       (void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_xsize));
#else /* NEWVM */
       (void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_tsize));
#endif /* NEWVM */
}

#ifndef NEWVM
void
trss(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       (void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_xrssize));
}
#endif /* NEWVM */

/*
* Generic output routines.  Print fields from various prototype
* structures.
*/
void
pvar(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       printval((char *)((char *)KI_PROC(k) + v->off), v);
}

void
evar(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       printval((char *)((char *)KI_EPROC(k) + v->off), v);
}

void
uvar(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       if (k->ki_u.u_valid)
               printval((char *)((char *)&k->ki_u + v->off), v);
       else
               (void)printf("%*s", v->width, "-");
}

void
rvar(k, ve)
       KINFO *k;
       VARENT *ve;
{
       VAR *v;

       v = ve->var;
       if (k->ki_u.u_valid)
               printval((char *)((char *)(&k->ki_u.u_ru) + v->off), v);
       else
               (void)printf("%*s", v->width, "-");
}

static void
printval(bp, v)
       char *bp;
       VAR *v;
{
       static char ofmt[32] = "%";
       register char *fcp, *cp;

       cp = ofmt + 1;
       fcp = v->fmt;
       if (v->flag & LJUST)
               *cp++ = '-';
       *cp++ = '*';
       while (*cp++ = *fcp++);

       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 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 &~ KERNBASE);
               break;
       default:
               errx(1, "unknown type %d", v->type);
       }
}