dbstats.c

acpi tools for linux include acpiexec and acpixtract

/*******************************************************************************
 *
 * Module Name: dbstats - Generation and display of ACPI table statistics
 *              $Revision: 1.90 $
 *
 ******************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2008, Intel Corp.
 * All rights reserved.
 *
 * 2. License
 *
 * 2.1. This is your license from Intel Corp. under its intellectual property
 * rights.  You may have additional license terms from the party that provided
 * you this software, covering your right to use that party's intellectual
 * property rights.
 *
 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
 * copy of the source code appearing in this file ("Covered Code") an
 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
 * base code distributed originally by Intel ("Original Intel Code") to copy,
 * make derivatives, distribute, use and display any portion of the Covered
 * Code in any form, with the right to sublicense such rights; and
 *
 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
 * license (with the right to sublicense), under only those claims of Intel
 * patents that are infringed by the Original Intel Code, to make, use, sell,
 * offer to sell, and import the Covered Code and derivative works thereof
 * solely to the minimum extent necessary to exercise the above copyright
 * license, and in no event shall the patent license extend to any additions
 * to or modifications of the Original Intel Code.  No other license or right
 * is granted directly or by implication, estoppel or otherwise;
 *
 * The above copyright and patent license is granted only if the following
 * conditions are met:
 *
 * 3. Conditions
 *
 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification with rights to further distribute source must include
 * the above Copyright Notice, the above License, this list of Conditions,
 * and the following Disclaimer and Export Compliance provision.  In addition,
 * Licensee must cause all Covered Code to which Licensee contributes to
 * contain a file documenting the changes Licensee made to create that Covered
 * Code and the date of any change.  Licensee must include in that file the
 * documentation of any changes made by any predecessor Licensee.  Licensee
 * must include a prominent statement that the modification is derived,
 * directly or indirectly, from Original Intel Code.
 *
 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification without rights to further distribute source must
 * include the following Disclaimer and Export Compliance provision in the
 * documentation and/or other materials provided with distribution.  In
 * addition, Licensee may not authorize further sublicense of source of any
 * portion of the Covered Code, and must include terms to the effect that the
 * license from Licensee to its licensee is limited to the intellectual
 * property embodied in the software Licensee provides to its licensee, and
 * not to intellectual property embodied in modifications its licensee may
 * make.
 *
 * 3.3. Redistribution of Executable. Redistribution in executable form of any
 * substantial portion of the Covered Code or modification must reproduce the
 * above Copyright Notice, and the following Disclaimer and Export Compliance
 * provision in the documentation and/or other materials provided with the
 * distribution.
 *
 * 3.4. Intel retains all right, title, and interest in and to the Original
 * Intel Code.
 *
 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
 * Intel shall be used in advertising or otherwise to promote the sale, use or
 * other dealings in products derived from or relating to the Covered Code
 * without prior written authorization from Intel.
 *
 * 4. Disclaimer and Export Compliance
 *
 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
 * PARTICULAR PURPOSE.
 *
 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
 * LIMITED REMEDY.
 *
 * 4.3. Licensee shall not export, either directly or indirectly, any of this
 * software or system incorporating such software without first obtaining any
 * required license or other approval from the U. S. Department of Commerce or
 * any other agency or department of the United States Government.  In the
 * event Licensee exports any such software from the United States or
 * re-exports any such software from a foreign destination, Licensee shall
 * ensure that the distribution and export/re-export of the software is in
 * compliance with all laws, regulations, orders, or other restrictions of the
 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 * any of its subsidiaries will export/re-export any technical data, process,
 * software, or service, directly or indirectly, to any country for which the
 * United States government or any agency thereof requires an export license,
 * other governmental approval, or letter of assurance, without first obtaining
 * such license, approval or letter.
 *
 *****************************************************************************/


#include "acpi.h"
#include "acdebug.h"
#include "acnamesp.h"

#ifdef ACPI_DEBUGGER

#define _COMPONENT          ACPI_CA_DEBUGGER
        ACPI_MODULE_NAME    ("dbstats")

/* Local prototypes */

static void
AcpiDbCountNamespaceObjects (
    void);

static void
AcpiDbEnumerateObject (
    ACPI_OPERAND_OBJECT     *ObjDesc);

static ACPI_STATUS
AcpiDbClassifyOneObject (
    ACPI_HANDLE             ObjHandle,
    UINT32                  NestingLevel,
    void                    *Context,
    void                    **ReturnValue);

#if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
static void
AcpiDbListInfo (
    ACPI_MEMORY_LIST        *List);
#endif


/*
 * Statistics subcommands
 */
static ARGUMENT_INFO        AcpiDbStatTypes [] =
{
    {"ALLOCATIONS"},
    {"OBJECTS"},
    {"MEMORY"},
    {"MISC"},
    {"TABLES"},
    {"SIZES"},
    {"STACK"},
    {NULL}           /* Must be null terminated */
};

#define CMD_STAT_ALLOCATIONS     0
#define CMD_STAT_OBJECTS         1
#define CMD_STAT_MEMORY          2
#define CMD_STAT_MISC            3
#define CMD_STAT_TABLES          4
#define CMD_STAT_SIZES           5
#define CMD_STAT_STACK           6


#if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
/*******************************************************************************
 *
 * FUNCTION:    AcpiDbListInfo
 *
 * PARAMETERS:  List            - Memory list/cache to be displayed
 *
 * RETURN:      None
 *
 * DESCRIPTION: Display information about the input memory list or cache.
 *
 ******************************************************************************/

static void
AcpiDbListInfo (
    ACPI_MEMORY_LIST        *List)
{
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
    UINT32                  Outstanding;
#endif

    AcpiOsPrintf ("\n%s\n", List->ListName);

    /* MaxDepth > 0 indicates a cache object */

    if (List->MaxDepth > 0)
    {
        AcpiOsPrintf (
            "    Cache: [Depth    MaxD Avail  Size]                %8.2X %8.2X %8.2X %8.2X\n",
            List->CurrentDepth,
            List->MaxDepth,
            List->MaxDepth - List->CurrentDepth,
            (List->CurrentDepth * List->ObjectSize));
    }

#ifdef ACPI_DBG_TRACK_ALLOCATIONS
    if (List->MaxDepth > 0)
    {
        AcpiOsPrintf (
            "    Cache: [Requests Hits Misses ObjSize]             %8.2X %8.2X %8.2X %8.2X\n",
            List->Requests,
            List->Hits,
            List->Requests - List->Hits,
            List->ObjectSize);
    }

    Outstanding = AcpiDbGetCacheInfo (List);

    if (List->ObjectSize)
    {
        AcpiOsPrintf (
            "    Mem:   [Alloc    Free Max    CurSize Outstanding] %8.2X %8.2X %8.2X %8.2X %8.2X\n",
            List->TotalAllocated,
            List->TotalFreed,
            List->MaxOccupied,
            Outstanding * List->ObjectSize,
            Outstanding);
    }
    else
    {
        AcpiOsPrintf (
            "    Mem:   [Alloc Free Max CurSize Outstanding Total] %8.2X %8.2X %8.2X %8.2X %8.2X %8.2X\n",
            List->TotalAllocated,
            List->TotalFreed,
            List->MaxOccupied,
            List->CurrentTotalSize,
            Outstanding,
            List->TotalSize);
    }
#endif
}
#endif


/*******************************************************************************
 *
 * FUNCTION:    AcpiDbEnumerateObject
 *
 * PARAMETERS:  ObjDesc             - Object to be counted
 *
 * RETURN:      None
 *
 * DESCRIPTION: Add this object to the global counts, by object type.
 *              Limited recursion handles subobjects and packages, and this
 *              is probably acceptable within the AML debugger only.
 *
 ******************************************************************************/

static void
AcpiDbEnumerateObject (
    ACPI_OPERAND_OBJECT     *ObjDesc)
{
    UINT32                  i;


    if (!ObjDesc)
    {
        return;
    }

    /* Enumerate this object first */

    AcpiGbl_NumObjects++;

    if (ACPI_GET_OBJECT_TYPE (ObjDesc) > ACPI_TYPE_NS_NODE_MAX)
    {
        AcpiGbl_ObjTypeCountMisc++;
    }
    else
    {
        AcpiGbl_ObjTypeCount [ACPI_GET_OBJECT_TYPE (ObjDesc)]++;
    }

    /* Count the sub-objects */

    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
    {
    case ACPI_TYPE_PACKAGE:

        for (i = 0; i < ObjDesc->Package.Count; i++)
        {
            AcpiDbEnumerateObject (ObjDesc->Package.Elements[i]);
        }
        break;

    case ACPI_TYPE_DEVICE:

        AcpiDbEnumerateObject (ObjDesc->Device.SystemNotify);
        AcpiDbEnumerateObject (ObjDesc->Device.DeviceNotify);
        AcpiDbEnumerateObject (ObjDesc->Device.Handler);
        break;

    case ACPI_TYPE_BUFFER_FIELD:

        if (AcpiNsGetSecondaryObject (ObjDesc))
        {
            AcpiGbl_ObjTypeCount [ACPI_TYPE_BUFFER_FIELD]++;