WebSVN - shark - Blame - Rev 1689 - /shark/trunk/kernel/mem/stats.c

Rev	Author	Line No.	Line
2	pj	1	/*
		2	* Project: S.Ha.R.K.
		3	*
		4	* Coordinators:
		5	* Giorgio Buttazzo <giorgio@sssup.it>
		6	* Paolo Gai <pj@gandalf.sssup.it>
		7	*
		8	* Authors :
		9	* Paolo Gai <pj@gandalf.sssup.it>
		10	* (see the web pages for full authors list)
		11	*
		12	* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
		13	*
		14	* http://www.sssup.it
		15	* http://retis.sssup.it
		16	* http://shark.sssup.it
		17	*/
		18
		19	/**
		20	------------
		21	CVS : $Id: stats.c,v 1.1.1.1 2002-03-29 14:12:52 pj Exp $
		22
		23	File: $File$
		24	Revision: $Revision: 1.1.1.1 $
		25	Last update: $Date: 2002-03-29 14:12:52 $
		26	------------
		27
		28	this code is from:
		29	List-based Memory Management, from OsKit.
		30
		31	**/
		32
		33	/*
		34	* Copyright (C) 2000 Paolo Gai
		35	*
		36	* This program is free software; you can redistribute it and/or modify
		37	* it under the terms of the GNU General Public License as published by
		38	* the Free Software Foundation; either version 2 of the License, or
		39	* (at your option) any later version.
		40	*
		41	* This program is distributed in the hope that it will be useful,
		42	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		43	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		44	* GNU General Public License for more details.
		45	*
		46	* You should have received a copy of the GNU General Public License
		47	* along with this program; if not, write to the Free Software
		48	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		49	*
		50	*/
		51	/*
		52	* Copyright (c) 1995, 1998-1999 University of Utah and the Flux Group.
		53	* All rights reserved.
		54	*
		55	* This file is part of the Flux OSKit. The OSKit is free software, also known
		56	* as "open source;" you can redistribute it and/or modify it under the terms
		57	* of the GNU General Public License (GPL), version 2, as published by the Free
		58	* Software Foundation (FSF). To explore alternate licensing terms, contact
		59	* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
		60	*
		61	* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
		62	* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
		63	* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
		64	* received a copy of the GPL along with the OSKit; see the file COPYING. If
		65	* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
		66	*/
		67	/*
		68	* Debugging routine:
		69	* dump a summary of LMM memory pool usage.
		70	*/
		71
		72	#ifndef DEBUG
		73	#define DEBUG
		74	#endif
		75
1689	fabio	76	#include <arch/stdio.h>
2	pj	77	#include <kernel/func.h>
		78
		79	#include <kernel/lmm.h>
		80	#define assert(test) assertk(test)
		81
		82	void lmm_stats(lmm_t *lmm)
		83	{
		84	struct lmm_region *reg;
		85	unsigned int regions, nodes, memfree;
		86
		87	regions = nodes = memfree = 0;
		88	for (reg = lmm->regions; reg; reg = reg->next)
		89	{
		90	struct lmm_node *node;
		91	size_t free_check;
		92
		93	CHECKREGPTR(reg);
		94
		95	regions++;
		96
		97	free_check = 0;
		98	for (node = reg->nodes; node; node = node->next)
		99	{
		100	assert(((DWORD)node & ALIGN_MASK) == 0);
		101	assert((node->size & ALIGN_MASK) == 0);
		102	assert(node->size >= sizeof(*node));
		103	assert((node->next == 0) \|\| (node->next > node));
		104	assert((DWORD)node < reg->max);
		105
		106	nodes++;
		107
		108	free_check += node->size;
		109	}
		110	assert(reg->free == free_check);
		111
		112	memfree += reg->free;
		113	}
		114
		115	kern_printf("LMM=%p: %u bytes in %u regions, %d nodes\n",
		116	lmm, memfree, regions, nodes);
		117	}
		118

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(root)/shark/trunk/kernel/mem/stats.c - Rev 1689