04a5531a46
2007-02-20 Benoît Dejean <benoit@placenet.org> * *: Removed noisy $Id$. svn path=/trunk/; revision=2558
64 lines
1.9 KiB
C
64 lines
1.9 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/cpu.h>
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#include <glibtop/uptime.h>
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#include <glibtop_suid.h>
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#include <time.h>
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static const unsigned long _glibtop_sysdeps_uptime =
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(1 << GLIBTOP_UPTIME_UPTIME) + (1 << GLIBTOP_UPTIME_IDLETIME);
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/* Provides uptime and idle time. */
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void
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glibtop_get_uptime_p (glibtop *server, glibtop_uptime *buf)
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{
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glibtop_cpu cpu;
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glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_UPTIME), 0);
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/* Get currect cpu usage. */
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glibtop_get_cpu_p (server, &cpu);
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/* Make sure all required fields are present. */
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if (((cpu.flags & (1 << GLIBTOP_CPU_TOTAL)) == 0) ||
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((cpu.flags & (1 << GLIBTOP_CPU_IDLE)) == 0) ||
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((cpu.flags & (1 << GLIBTOP_CPU_FREQUENCY)) == 0) ||
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(cpu.frequency == 0))
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return;
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/* Simply calculate uptime and idle time from
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* cpu usage. */
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buf->uptime = (double) cpu.total / (double) cpu.frequency;
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buf->idletime = (double) cpu.idle / (double) cpu.frequency;
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buf->boot_time = (guint64) time(NULL) - (guint64) buf->uptime;
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buf->flags = _glibtop_sysdeps_uptime;
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}
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