cfb46b6f4c
view is identical to the output of `ps aux' except that a.) the RSS and VSZ fields are one character wider and b.) it shows a zero value for the RSS and %MEM columns of processes which report a negative RSS.
381 lines
9.3 KiB
C
381 lines
9.3 KiB
C
/* $NetBSD: ps.c,v 1.1 1999/02/21 21:48:07 jwise Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999
|
|
* The NetBSD Foundation, Inc. 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.
|
|
*/
|
|
|
|
/*
|
|
* XXX Notes XXX
|
|
* showps -- print data needed at each refresh
|
|
* fetchps -- get data used by mode (done at each refresh)
|
|
* labelps -- print labels (ie info not needing refreshing)
|
|
* initps -- prepare once-only data structures for mode
|
|
* openps -- prepare per-run information for mode, return window
|
|
* closeps -- close mode to prepare to switch modes
|
|
* cmdps -- optional, handle commands
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/dkstat.h>
|
|
#include <sys/dir.h>
|
|
#include <sys/time.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/user.h>
|
|
#include <curses.h>
|
|
#include <math.h>
|
|
#include <nlist.h>
|
|
#include <pwd.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <tzfile.h>
|
|
#include <unistd.h>
|
|
|
|
#include "extern.h"
|
|
#include "systat.h"
|
|
#include "ps.h"
|
|
|
|
int compare_pctcpu_noidle __P((const void *, const void *));
|
|
char *state2str __P((struct kinfo_proc *));
|
|
char *tty2str __P((struct kinfo_proc *));
|
|
int rss2int __P((struct kinfo_proc *));
|
|
int vsz2int __P((struct kinfo_proc *));
|
|
char *comm2str __P((struct kinfo_proc *));
|
|
float pmem2float __P((struct kinfo_proc *));
|
|
char *start2str __P((struct kinfo_proc *));
|
|
char *time2str __P((struct kinfo_proc *));
|
|
|
|
static time_t now;
|
|
|
|
void
|
|
labelps ()
|
|
{
|
|
mvwaddstr(wnd, 0, 0, "USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND");
|
|
}
|
|
|
|
void
|
|
showps ()
|
|
{
|
|
int i, k, y, vsz, rss;
|
|
const char *user, *comm, *state, *tty, *start, *time;
|
|
pid_t pid;
|
|
float pctcpu, pctmem;
|
|
struct eproc *ep;
|
|
|
|
now = 0; /* force start2str to reget current time */
|
|
|
|
qsort(pt, nproc + 1, sizeof (struct p_times), compare_pctcpu_noidle);
|
|
|
|
y = 1;
|
|
i = nproc + 1;
|
|
if (i > getmaxy(wnd)-2)
|
|
i = getmaxy(wnd)-1;
|
|
for (k = 0; i > 0 ; i--, y++, k++) {
|
|
if (pt[k].pt_kp == NULL) /* We're all the way down to the imaginary idle proc */
|
|
return;
|
|
|
|
ep = &pt[k].pt_kp->kp_eproc;
|
|
user = user_from_uid(ep->e_ucred.cr_uid, 0);
|
|
pid = pt[k].pt_kp->kp_proc.p_pid;
|
|
pctcpu = pt[k].pt_pctcpu;
|
|
pctmem = pmem2float(pt[k].pt_kp);
|
|
vsz = vsz2int(pt[k].pt_kp);
|
|
rss = rss2int(pt[k].pt_kp);
|
|
tty = tty2str(pt[k].pt_kp);
|
|
state = state2str(pt[k].pt_kp);
|
|
start = start2str(pt[k].pt_kp);
|
|
time = time2str(pt[k].pt_kp);
|
|
comm = comm2str(pt[k].pt_kp);
|
|
/*comm = pt[k].pt_kp->kp_proc.p_comm; */
|
|
|
|
wmove(wnd, y, 0);
|
|
wclrtoeol(wnd);
|
|
mvwprintw(wnd, y, 0, "%-8.8s%5d %4.1f %4.1f %6d %5d %-3s %-4s %7s %10.10s %s",
|
|
user, pid, pctcpu, pctmem, vsz, rss, tty, state, start, time, comm);
|
|
}
|
|
}
|
|
|
|
int
|
|
compare_pctcpu_noidle (a, b)
|
|
const void *a, *b;
|
|
{
|
|
if (((struct p_times *) a)->pt_kp == NULL)
|
|
return 1;
|
|
|
|
if (((struct p_times *) b)->pt_kp == NULL)
|
|
return -1;
|
|
|
|
return (((struct p_times *) a)->pt_pctcpu >
|
|
((struct p_times *) b)->pt_pctcpu)? -1: 1;
|
|
}
|
|
|
|
/* from here down adapted from .../src/usr.bin/ps/print.c . Any mistakes are my own, however. */
|
|
char *
|
|
state2str(kp)
|
|
struct kinfo_proc *kp;
|
|
{
|
|
struct proc *p;
|
|
struct eproc *e;
|
|
int flag;
|
|
char *cp;
|
|
char buf[5];
|
|
static char statestr[4];
|
|
|
|
p = &(kp->kp_proc);
|
|
e = &(kp->kp_eproc);
|
|
|
|
flag = p->p_flag;
|
|
cp = buf;
|
|
|
|
switch (p->p_stat) {
|
|
case SSTOP:
|
|
*cp = 'T';
|
|
break;
|
|
|
|
case SSLEEP:
|
|
if (flag & P_SINTR) /* 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 & P_INMEM) {
|
|
} else
|
|
*cp++ = 'W';
|
|
if (p->p_nice < NZERO)
|
|
*cp++ = '<';
|
|
else if (p->p_nice > NZERO)
|
|
*cp++ = 'N';
|
|
if (flag & P_TRACED)
|
|
*cp++ = 'X';
|
|
if (flag & P_WEXIT && p->p_stat != SZOMB)
|
|
*cp++ = 'E';
|
|
if (flag & P_PPWAIT)
|
|
*cp++ = 'V';
|
|
if ((flag & P_SYSTEM) || p->p_holdcnt)
|
|
*cp++ = 'L';
|
|
if (e->e_flag & EPROC_SLEADER)
|
|
*cp++ = 's';
|
|
if ((flag & P_CONTROLT) && e->e_pgid == e->e_tpgid)
|
|
*cp++ = '+';
|
|
*cp = '\0';
|
|
sprintf(statestr, "%-s", buf);
|
|
|
|
return statestr;
|
|
}
|
|
|
|
char *
|
|
tty2str(kp)
|
|
struct kinfo_proc *kp;
|
|
{
|
|
static char ttystr[4];
|
|
char *ttyname;
|
|
struct eproc *e;
|
|
|
|
e = &(kp->kp_eproc);
|
|
|
|
if (e->e_tdev == NODEV || (ttyname = devname(e->e_tdev, S_IFCHR)) == NULL)
|
|
strcpy(ttystr, "??");
|
|
else {
|
|
if (strncmp(ttyname, "tty", 3) == 0)
|
|
ttyname += 3;
|
|
sprintf(ttystr, "%s%c", ttyname, e->e_flag & EPROC_CTTY ? ' ' : '-');
|
|
}
|
|
|
|
return ttystr;
|
|
}
|
|
|
|
#define pgtok(a) (((a)*getpagesize())/1024)
|
|
|
|
int
|
|
vsz2int(kp)
|
|
struct kinfo_proc *kp;
|
|
{
|
|
struct eproc *e;
|
|
int i;
|
|
|
|
e = &(kp->kp_eproc);
|
|
i = pgtok(e->e_vm.vm_dsize + e->e_vm.vm_ssize + e->e_vm.vm_tsize);
|
|
|
|
return ((i < 0) ? 0 : i);
|
|
}
|
|
|
|
int
|
|
rss2int(kp)
|
|
struct kinfo_proc *kp;
|
|
{
|
|
struct eproc *e;
|
|
int i;
|
|
|
|
e = &(kp->kp_eproc);
|
|
i = pgtok(e->e_vm.vm_rssize);
|
|
|
|
/* XXX don't have info about shared */
|
|
return ((i < 0) ? 0 : i);
|
|
}
|
|
|
|
char *
|
|
comm2str(kp)
|
|
struct kinfo_proc *kp;
|
|
{
|
|
char **argv, **pt;
|
|
static char commstr[41];
|
|
struct proc *p;
|
|
|
|
p = &(kp->kp_proc);
|
|
commstr[0]='\0';
|
|
|
|
argv = kvm_getargv(kd, kp, 40);
|
|
if ((pt = argv) != NULL) {
|
|
while (*pt) {
|
|
strcat(commstr, *pt);
|
|
pt++;
|
|
strcat(commstr, " ");
|
|
}
|
|
} else {
|
|
commstr[0] = '(';
|
|
commstr[1] = '\0';
|
|
strncat(commstr, p->p_comm, sizeof(commstr) - 1);
|
|
strcat(commstr, ")");
|
|
}
|
|
|
|
return commstr;
|
|
}
|
|
|
|
float
|
|
pmem2float(kp)
|
|
struct kinfo_proc *kp;
|
|
{
|
|
struct proc *p;
|
|
struct eproc *e;
|
|
double fracmem;
|
|
int szptudot;
|
|
|
|
p = &(kp->kp_proc);
|
|
e = &(kp->kp_eproc);
|
|
|
|
if ((p->p_flag & P_INMEM) == 0)
|
|
return (0.0);
|
|
/* XXX want pmap ptpages, segtab, etc. (per architecture) */
|
|
szptudot = USPACE/getpagesize();
|
|
/* XXX don't have info about shared */
|
|
fracmem = ((float)e->e_vm.vm_rssize + szptudot)/CLSIZE/mempages;
|
|
return (fracmem >= 0) ? 100.0 * fracmem : 0;
|
|
}
|
|
|
|
char *
|
|
start2str(kp)
|
|
struct kinfo_proc *kp;
|
|
{
|
|
struct proc *p;
|
|
struct pstats pstats;
|
|
struct timeval u_start;
|
|
struct tm *tp;
|
|
time_t startt;
|
|
static char startstr[10];
|
|
|
|
p = &(kp->kp_proc);
|
|
|
|
kvm_read(kd, (u_long)&(p->p_addr->u_stats), (char *)&pstats, sizeof(pstats));
|
|
u_start = pstats.p_start;
|
|
|
|
startt = u_start.tv_sec;
|
|
tp = localtime(&startt);
|
|
if (now == 0)
|
|
time(&now);
|
|
if (now - u_start.tv_sec < 24 * SECSPERHOUR) {
|
|
/* I *hate* SCCS... */
|
|
static char fmt[] = __CONCAT("%l:%", "M%p");
|
|
strftime(startstr, sizeof(startstr) - 1, fmt, tp);
|
|
} else if (now - u_start.tv_sec < 7 * SECSPERDAY) {
|
|
/* I *hate* SCCS... */
|
|
static char fmt[] = __CONCAT("%a%", "I%p");
|
|
strftime(startstr, sizeof(startstr) - 1, fmt, tp);
|
|
} else
|
|
strftime(startstr, sizeof(startstr) - 1, "%e%b%y", tp);
|
|
|
|
return startstr;
|
|
}
|
|
|
|
char *
|
|
time2str(kp)
|
|
struct kinfo_proc *kp;
|
|
{
|
|
long secs;
|
|
long psecs; /* "parts" of a second. first micro, then centi */
|
|
static char timestr[10];
|
|
struct proc *p;
|
|
|
|
p = &(kp->kp_proc);
|
|
|
|
if (p->p_stat == SZOMB) {
|
|
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 = p->p_rtime.tv_sec;
|
|
psecs = p->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;
|
|
}
|
|
snprintf(timestr, sizeof(timestr), "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
|
|
|
|
return timestr;
|
|
}
|