Huge (k)FreeBSD update. (k)FreeBSD support is freebsd/ Other BSD are in
2007-02-18 Benoît Dejean <benoit@placenet.org> * configure.in: * libgtop-sysdeps.m4: * sysdeps/Makefile.am: Huge (k)FreeBSD update. (k)FreeBSD support is freebsd/ Other BSD are in bsd/ Patch by Joe Marcus Clarke <marcus@freebsd.org> Alexander Nedotsukov <bland@FreeBSD.org> Closes #407693. svn path=/trunk/; revision=2557
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Benoît Dejean
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Benoît Dejean
Benoît Dejean
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747438e334
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5a15e409cf
254
sysdeps/bsd/proctime.c
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254
sysdeps/bsd/proctime.c
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/* $Id: proctime.c 2550 2007-01-31 21:23:21Z bdejean $ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/proctime.h>
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#include <glibtop_suid.h>
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#ifdef __FreeBSD__
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#include <osreldate.h>
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#endif
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static const unsigned long _glibtop_sysdeps_proc_time =
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(1L << GLIBTOP_PROC_TIME_RTIME) + (1L << GLIBTOP_PROC_TIME_FREQUENCY);
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static const unsigned long _glibtop_sysdeps_proc_time_user =
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(1L << GLIBTOP_PROC_TIME_UTIME) + (1L << GLIBTOP_PROC_TIME_STIME) +
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(1L << GLIBTOP_PROC_TIME_CUTIME) + (1L << GLIBTOP_PROC_TIME_CSTIME) +
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(1L << GLIBTOP_PROC_TIME_START_TIME);
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#define tv2sec(tv) (((guint64) tv.tv_sec * 1000000) + (guint64) tv.tv_usec)
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/* Init function. */
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void
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glibtop_init_proc_time_p (glibtop *server)
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{
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server->sysdeps.proc_time = _glibtop_sysdeps_proc_time |
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_glibtop_sysdeps_proc_time_user;
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}
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/* Taken from /usr/src/sys/kern/kern_resource.c */
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/*
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* Transform the running time and tick information in proc p into user,
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* system, and interrupt time usage.
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*/
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#if !(defined(__FreeBSD__) || defined(__FreeBSD_kernel__))
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static void
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calcru(p, up, sp, ip)
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struct proc *p;
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struct timeval *up;
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struct timeval *sp;
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struct timeval *ip;
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{
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quad_t totusec;
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u_quad_t u, st, ut, it, tot;
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long sec, usec;
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struct timeval tv;
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st = p->p_sticks;
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ut = p->p_uticks;
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it = p->p_iticks;
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tot = st + ut + it;
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if (tot == 0) {
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st = 1;
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tot = 1;
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}
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sec = p->p_rtime.tv_sec;
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usec = p->p_rtime.tv_usec;
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totusec = (quad_t)sec * 1000000 + usec;
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if (totusec < 0) {
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/* XXX no %qd in kernel. Truncate. */
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fprintf (stderr, "calcru: negative time: %ld usec\n",
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(long)totusec);
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totusec = 0;
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}
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u = totusec;
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st = (u * st) / tot;
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sp->tv_sec = st / 1000000;
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sp->tv_usec = st % 1000000;
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ut = (u * ut) / tot;
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up->tv_sec = ut / 1000000;
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up->tv_usec = ut % 1000000;
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if (ip != NULL) {
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it = (u * it) / tot;
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ip->tv_sec = it / 1000000;
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ip->tv_usec = it % 1000000;
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}
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}
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#endif /* !__FreeBSD__ */
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/* Provides detailed information about a process. */
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void
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glibtop_get_proc_time_p (glibtop *server, glibtop_proc_time *buf,
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pid_t pid)
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{
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struct kinfo_proc *pinfo;
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#if (defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000)) || (defined(OpenBSD) && (OpenBSD >= 199912))
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register struct rusage *rup;
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#else
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struct user *u_addr = (struct user *)USRSTACK;
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#endif
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struct pstats pstats;
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int count;
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glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_TIME), 0);
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memset (buf, 0, sizeof (glibtop_proc_time));
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/* It does not work for the swapper task. */
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if (pid == 0) return;
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#if (defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000))
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if (server->sysdeps.proc_time == 0)
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return;
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#endif
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/* Get the process information */
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pinfo = kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid, &count);
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if ((pinfo == NULL) || (count != 1)) {
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glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
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return;
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}
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#if (defined(__FreeBSD__) && (__FreeBSD_version >= 500013)) || defined(__FreeBSD_kernel__)
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buf->rtime = pinfo [0].ki_runtime;
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#elif (defined __FreeBSD__) && (__FreeBSD_version <= 500013)
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buf->rtime = pinfo [0].kp_proc.p_runtime;
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#else
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buf->rtime = tv2sec (pinfo [0].kp_proc.p_rtime);
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#endif
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buf->frequency = 1000000;
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buf->flags = _glibtop_sysdeps_proc_time;
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#if (defined(__NetBSD__) && (__NetBSD_Version__ >= 104000000)) || (defined(OpenBSD) && (OpenBSD >= 199912))
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glibtop_suid_enter (server);
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if (kvm_read (server->machine.kd,
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(unsigned long) pinfo [0].kp_proc.p_stats,
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&pstats, sizeof (pstats)) != sizeof (pstats)) {
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glibtop_warn_io_r (server, "kvm_read (pstats)");
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return;
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}
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glibtop_suid_leave (server);
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rup = &pstats.p_ru;
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calcru(&(pinfo [0]).kp_proc,
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&rup->ru_utime, &rup->ru_stime, NULL);
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buf->utime = tv2sec (pstats.p_ru.ru_utime);
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buf->stime = tv2sec (pstats.p_ru.ru_stime);
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buf->cutime = tv2sec (pstats.p_cru.ru_utime);
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buf->cstime = tv2sec (pstats.p_cru.ru_stime);
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buf->start_time = (guint64) pstats.p_start.tv_sec;
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buf->flags |= _glibtop_sysdeps_proc_time_user;
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#else
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#if (defined(__FreeBSD__) && (__FreeBSD_version >= 500013)) || defined(__FreeBSD_kernel__)
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#if (__FreeBSD_version >= 500016) || defined(__FreeBSD_kernel__)
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if ((pinfo [0].ki_flag & PS_INMEM)) {
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#else
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if ((pinfo [0].ki_flag & P_INMEM)) {
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#endif
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buf->utime = pinfo [0].ki_runtime;
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buf->stime = tv2sec (pinfo [0].ki_rusage.ru_stime);
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buf->cutime = tv2sec (pinfo [0].ki_childtime);
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#if (__FreeBSD_version >= 600000) || (__FreeBSD_kernel_version >= 600000)
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buf->cstime = tv2sec (pinfo [0].ki_rusage_ch.ru_stime);
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#else
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buf->cstime = 0;
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#endif
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buf->start_time = tv2sec (pinfo [0].ki_start);
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buf->flags = _glibtop_sysdeps_proc_time_user;
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}
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glibtop_suid_enter (server);
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#elif (__FreeBSD_version <= 500013)
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if ((pinfo [0].kp_proc.p_flag & P_INMEM) &&
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kvm_uread (server->machine.kd, &(pinfo [0]).kp_proc,
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(unsigned long) &u_addr->u_stats,
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(char *) &pstats, sizeof (pstats)) == sizeof (pstats))
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{
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buf->utime = tv2sec (pinfo[0].kp_eproc.e_stats.p_ru.ru_utime);
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buf->stime = tv2sec (pinfo[0].kp_eproc.e_stats.p_ru.ru_stime);
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buf->cutime = tv2sec (pinfo[0].kp_eproc.e_stats.p_cru.ru_utime);
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buf->cstime = tv2sec (pinfo[0].kp_eproc.e_stats.p_cru.ru_stime);
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buf->start_time = tv2sec (pinfo[0].kp_eproc.e_stats.p_start);
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buf->flags = _glibtop_sysdeps_proc_time_user;
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glibtop_suid_leave (server);
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}
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#else
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if ((pinfo [0].kp_proc.p_flag & P_INMEM) &&
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kvm_uread (server->machine.kd, &(pinfo [0]).kp_proc,
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(unsigned long) &u_addr->u_stats,
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(char *) &pstats, sizeof (pstats)) == sizeof (pstats))
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{
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/* This is taken form the kernel source code of
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* FreeBSD 2.2.6. */
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/* Well, we just do the same getrusage () does ... */
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register struct rusage *rup;
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glibtop_suid_leave (server);
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rup = &pstats.p_ru;
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calcru(&(pinfo [0]).kp_proc,
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&rup->ru_utime, &rup->ru_stime, NULL);
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buf->utime = tv2sec (pstats.p_ru.ru_utime);
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buf->stime = tv2sec (pstats.p_ru.ru_stime);
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buf->cutime = tv2sec (pstats.p_cru.ru_utime);
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buf->cstime = tv2sec (pstats.p_cru.ru_stime);
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buf->start_time = tv2sec (pstats.p_start);
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buf->flags = _glibtop_sysdeps_proc_time_user;
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}
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#endif
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glibtop_suid_leave (server);
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#endif
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}
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