aa9fafe5c3
2007-04-11 Benoît Dejean <benoit@placenet.org> * *: Renamed all glibtop_init_xxx functions to _glibtop_init_xxx so they get internal visibility. * configure.in: Bumped version number. svn path=/trunk/; revision=2569
110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
/* 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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#include <sys/time.h>
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#include <osreldate.h>
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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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/* 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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struct clockinfo ci;
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int count;
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size_t len;
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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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glibtop_suid_enter (server);
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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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glibtop_suid_leave (server);
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return;
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}
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glibtop_suid_leave (server);
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buf->rtime = pinfo [0].ki_runtime * 1e-6;
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len = sizeof (ci);
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if (sysctlbyname ("kern.clockrate", &ci, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (kern.clockrate) (%d)", pid);
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glibtop_suid_leave (server);
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return;
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}
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buf->frequency = (ci.stathz ? ci.stathz : ci.hz);
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buf->flags = _glibtop_sysdeps_proc_time;
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buf->rtime *= buf->frequency;
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if ((pinfo [0].ki_flag & PS_INMEM)) {
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buf->utime = (pinfo [0].ki_runtime * 1e-6) * buf->frequency;
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buf->stime = tv2sec (pinfo [0].ki_rusage.ru_stime) * buf->frequency;
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buf->cutime = tv2sec (pinfo [0].ki_childtime) * buf->frequency;
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#if (__FreeBSD_version >= 600006) || defined(__FreeBSD_kernel__)
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buf->cstime = tv2sec (pinfo [0].ki_rusage_ch.ru_stime) * buf->frequency;
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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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}
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