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