* Fix a display buglet: if the process list is exhausted before the window's
bottom is reached, clear the remaining lines, lest there be stale process entries if the process list shrinks. * Implement a top(1)-like `user' command in the ps display.
This commit is contained in:
kleink
parent
1a2a0445fa
commit
c23c312a55
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@ -1,4 +1,4 @@
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/* $NetBSD: cmdtab.c,v 1.11 1999/12/20 03:45:02 jwise Exp $ */
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/* $NetBSD: cmdtab.c,v 1.12 1999/12/22 14:46:14 kleink Exp $ */
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/*-
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* Copyright (c) 1980, 1992, 1993
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@ -38,7 +38,7 @@
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#if 0
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static char sccsid[] = "@(#)cmdtab.c 8.1 (Berkeley) 6/6/93";
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#endif
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__RCSID("$NetBSD: cmdtab.c,v 1.11 1999/12/20 03:45:02 jwise Exp $");
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__RCSID("$NetBSD: cmdtab.c,v 1.12 1999/12/22 14:46:14 kleink Exp $");
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#endif /* not lint */
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#include "systat.h"
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@ -82,6 +82,11 @@ struct command netstat_commands[] = {
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{ 0 }
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};
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struct command ps_commands[] = {
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{ "user", ps_user, "limit displayed processes to a user"},
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{ 0 }
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};
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struct command vmstat_commands[] = {
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{ "boot", vmstat_boot, "show total vm stats since boot"},
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{ "run", vmstat_run, "show running total vm stats"},
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@ -126,7 +131,7 @@ struct mode modes[] = {
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initnetstat, opennetstat, closenetstat, netstat_commands,
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CF_LOADAV },
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{ "ps", showps, fetchpigs, labelps,
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initpigs, openpigs, closepigs, 0,
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initpigs, openpigs, closepigs, ps_commands,
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CF_LOADAV },
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{ "swap", showswap, fetchswap, labelswap,
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initswap, openswap, closeswap, 0,
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@ -1,4 +1,4 @@
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/* $NetBSD: extern.h,v 1.16 1999/12/20 04:06:25 jwise Exp $ */
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/* $NetBSD: extern.h,v 1.17 1999/12/22 14:46:15 kleink Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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@ -145,6 +145,7 @@ WINDOW *opennetstat __P((void));
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WINDOW *openpigs __P((void));
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WINDOW *openswap __P((void));
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WINDOW *opentcp __P((void));
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void ps_user __P((char *));
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void redraw __P((int));
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void showbufcache __P((void));
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void showicmp __P((void));
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@ -1,4 +1,4 @@
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/* $NetBSD: ps.c,v 1.11 1999/12/20 19:31:47 jwise Exp $ */
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/* $NetBSD: ps.c,v 1.12 1999/12/22 14:46:15 kleink Exp $ */
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/*-
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* Copyright (c) 1999
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@ -45,7 +45,7 @@
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: ps.c,v 1.11 1999/12/20 19:31:47 jwise Exp $");
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__RCSID("$NetBSD: ps.c,v 1.12 1999/12/22 14:46:15 kleink Exp $");
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#endif /* not lint */
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#include <sys/param.h>
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@ -80,6 +80,9 @@ char *time2str __P((struct kinfo_proc *));
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static time_t now;
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#define SHOWUSER_ANY (uid_t)-1
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static uid_t showuser = SHOWUSER_ANY;
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void
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labelps ()
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{
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@ -103,11 +106,13 @@ showps ()
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i = nproc + 1;
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if (i > getmaxy(wnd)-2)
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i = getmaxy(wnd)-1;
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for (k = 0; i > 0 ; i--, y++, k++) {
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for (k = 0; i > 0 ; k++) {
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if (pt[k].pt_kp == NULL) /* We're all the way down to the imaginary idle proc */
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return;
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break;
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ep = &pt[k].pt_kp->kp_eproc;
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if (showuser != SHOWUSER_ANY && ep->e_ucred.cr_uid != showuser)
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continue;
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user = user_from_uid(ep->e_ucred.cr_uid, 0);
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pid = pt[k].pt_kp->kp_proc.p_pid;
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pctcpu = 100.0 * pt[k].pt_pctcpu;
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@ -123,9 +128,13 @@ showps ()
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wmove(wnd, y, 0);
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wclrtoeol(wnd);
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mvwprintw(wnd, y, 0, "%-8.8s%5d %4.1f %4.1f %6d %5d %-3s %-4s %7s %10.10s %s",
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user, pid, pctcpu, pctmem, vsz, rss, tty, state, start, time, comm);
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mvwprintw(wnd, y++, 0,
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"%-8.8s%5d %4.1f %4.1f %6d %5d %-3s %-4s %7s %10.10s %s",
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user, pid, pctcpu, pctmem, vsz, rss, tty, state, start, time, comm);
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i--;
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}
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wmove(wnd, y, 0);
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wclrtobot(wnd);
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}
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int
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@ -384,3 +393,22 @@ time2str(kp)
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return timestr;
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}
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void
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ps_user(args)
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char *args;
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{
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uid_t uid;
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if (args == NULL)
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args = "";
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if (strcmp(args, "+") == 0) {
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uid = SHOWUSER_ANY;
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} else if (uid_from_user(args, &uid) != 0) {
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error("%s: unknown user", args);
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return;
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}
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showuser = uid;
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display(0);
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}
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@ -1,4 +1,4 @@
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.\" $NetBSD: systat.1,v 1.16 1999/11/15 06:16:57 simonb Exp $
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.\" $NetBSD: systat.1,v 1.17 1999/12/22 14:46:15 kleink Exp $
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.\"
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.\" Copyright (c) 1985, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -281,6 +281,19 @@ by the command
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.Xr ps 1
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with the flags
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.Fl aux .
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.Pp
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The following command is specific to the
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.Ic ps
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display; the minimum unambiguous prefix may be supplied.
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.Pp
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.Bl -tag -width Fl -compact
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.It Cm user Ar name
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Limit the list of processes displayed to those owned by user
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.Ar name .
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If
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.Ar name
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is specified as `+', processes owned by any user are displayed (default).
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.El
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.It Ic swap
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Show information about swap space usage on all the
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swap areas configured with
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