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/* $OpenBSD: sysinfo.c,v 1.4 2011/05/31 14:02:26 jasper Exp $ */
/* 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 <sys/param.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <glibtop/error.h>
#include <glibtop/cpu.h>
#include <glibtop/sysinfo.h>
static const unsigned long _glibtop_sysdeps_sysinfo =
(1L << GLIBTOP_SYSINFO_CPUINFO);
static glibtop_sysinfo sysinfo = { .flags = 0 };
static void
init_sysinfo (glibtop *server)
{
char *model = NULL;
int mib[2];
guint ncpus = 1;
guint mhz = 0;
size_t len;
if (G_LIKELY (sysinfo.flags))
return;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_CPU, 0);
mib[0] = CTL_HW;
/* Get the number of CPU's present */
mib[1] = HW_NCPU;
len = sizeof(ncpus);
if (sysctl(mib, 2, &ncpus, &len, NULL, 0) != 0)
printf("Couldn't determine hw.ncpu.\n");
/* Get the CPU model */
mib[1] = HW_MODEL;
len = 0;
if (sysctl(mib, 2, NULL, &len, NULL, 0) != -1) {
model = g_malloc (len);
sysctl(mib, 2, model, &len, NULL, 0);
} else {
printf("Couldn't determine hw.model.\n");
}
/* Get the clockrate */
mib[1] = HW_CPUSPEED;
len = sizeof(mhz);
if (sysctl(mib, 2, &mhz, &len, NULL, 0) != 0)
printf("Couldn't determine hw.cpuspeed.\n");
for (sysinfo.ncpu = 0;
sysinfo.ncpu < GLIBTOP_NCPU && sysinfo.ncpu < ncpus;
sysinfo.ncpu++) {
glibtop_entry * const cpuinfo = &sysinfo.cpuinfo[sysinfo.ncpu];
cpuinfo->labels = g_ptr_array_new ();
cpuinfo->values = g_hash_table_new_full(g_str_hash,
g_str_equal,
NULL, g_free);
g_ptr_array_add (cpuinfo->labels, "processor");
g_hash_table_insert (cpuinfo->values, "processor",
g_strdup_printf("%u", (guint)sysinfo.ncpu));
g_ptr_array_add (cpuinfo->labels, "vendor_id");
g_hash_table_insert (cpuinfo->values, "vendor_id",
g_strdup(model));
g_ptr_array_add (cpuinfo->labels, "model name");
g_hash_table_insert (cpuinfo->values, "model name",
g_strdup(model));
g_ptr_array_add (cpuinfo->labels, "cpu MHz");
g_hash_table_insert (cpuinfo->values, "cpu MHz",
g_strdup_printf("%d", mhz));
}
g_free (model);
sysinfo.flags = _glibtop_sysdeps_sysinfo;
}
const glibtop_sysinfo *
glibtop_get_sysinfo_s (glibtop *server)
{
init_sysinfo (server);
return &sysinfo;
}
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