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The code in this directory fetches all information directly from the

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1998-06-13  Martin Baulig  <martin@home-of-linux.org>

	The code in this directory fetches all information
	directly from the kernel. It uses the new table ()
	system call from the `kernel' directory.
This commit is contained in:
Martin Baulig
1998-06-13 21:20:48 +00:00
committed by Martin Baulig
parent eedc64096c
commit c60d1d5449
25 changed files with 1525 additions and 0 deletions
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58
sysdeps/kernel/mem.c Normal file
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/* $Id$ */
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the Gnome Top Library.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
The Gnome Top Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Top Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <config.h>
#include <glibtop/error.h>
#include <glibtop/mem.h>
#include "kernel.h"
static const unsigned long _glibtop_sysdeps_mem =
(1 << GLIBTOP_MEM_TOTAL) + (1 << GLIBTOP_MEM_USED) +
(1 << GLIBTOP_MEM_FREE) + (1 << GLIBTOP_MEM_SHARED) +
(1 << GLIBTOP_MEM_BUFFER) + (1 << GLIBTOP_MEM_CACHED) +
(1 << GLIBTOP_MEM_USER);
/* Provides information about memory usage. */
void
glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
{
union table tbl;
glibtop_init_r (&server, 0, 0);
memset (buf, 0, sizeof (glibtop_mem));
if (table (TABLE_MEM, &tbl, NULL))
glibtop_error_r (server, "table(TABLE_MEM): %s\n", strerror (errno));
buf->flags = _glibtop_sysdeps_mem;
buf->total = tbl.mem.total;
buf->used = tbl.mem.used;
buf->free = tbl.mem.free;
buf->shared = tbl.mem.shared;
buf->buffer = tbl.mem.buffer;
buf->cached = tbl.mem.cached;
buf->user = buf->total - buf->free - buf->shared - buf->buffer;
}