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
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/* Copyright (C) 1998-99 Martin Baulig
|
|
This file is part of LibGTop 1.0.
|
|
|
|
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
|
|
|
|
LibGTop is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License,
|
|
or (at your option) any later version.
|
|
|
|
LibGTop is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with LibGTop; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <nlist.h>
|
|
#include <glibtop.h>
|
|
#include <glibtop/loadavg.h>
|
|
#include <glibtop/error.h>
|
|
|
|
#include <glibtop_suid.h>
|
|
|
|
static const unsigned long _glibtop_sysdeps_loadavg =
|
|
(1 << GLIBTOP_LOADAVG_LOADAVG);
|
|
|
|
/* Init function. */
|
|
|
|
void
|
|
_glibtop_init_loadavg_p (glibtop *server)
|
|
{
|
|
int result;
|
|
|
|
result = _glibtop_get_kmem_offset(server, "avenrun");
|
|
if (result == -1)
|
|
{
|
|
server->sysdeps.loadavg = 0;
|
|
return;
|
|
}
|
|
|
|
server->machine.loadavg_offset = result;
|
|
|
|
server->sysdeps.loadavg = _glibtop_sysdeps_loadavg;
|
|
}
|
|
|
|
/* Provides load averange. */
|
|
|
|
void
|
|
glibtop_get_loadavg_p (glibtop *server, glibtop_loadavg *buf)
|
|
{
|
|
int result;
|
|
int loadavg[3];
|
|
|
|
glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_LOADAVG), 0);
|
|
|
|
memset (buf, 0, sizeof (glibtop_loadavg));
|
|
|
|
result = _glibtop_get_kmem_info(server, server->machine.loadavg_offset,
|
|
loadavg, sizeof(loadavg));
|
|
if (result <= 0)
|
|
{
|
|
glibtop_error_io_r (server, "Cannot read loadavg");
|
|
return;
|
|
}
|
|
|
|
buf->loadavg[0] = loadavg[0] / 65536.0;
|
|
buf->loadavg[1] = loadavg[1] / 65536.0;
|
|
buf->loadavg[2] = loadavg[2] / 65536.0;
|
|
|
|
buf->flags = _glibtop_sysdeps_loadavg;
|
|
}
|