dbstats.c revision 167805
1/*******************************************************************************
2 *
3 * Module Name: dbstats - Generation and display of ACPI table statistics
4 *              $Revision: 1.87 $
5 *
6 ******************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp.
13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights.  You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.
21 *
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
28 *
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code.  No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision.  In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change.  Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee.  Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
54 *
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution.  In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
65 * make.
66 *
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89 * PARTICULAR PURPOSE.
90 *
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98 * LIMITED REMEDY.
99 *
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government.  In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
114 *
115 *****************************************************************************/
116
117
118#include <contrib/dev/acpica/acpi.h>
119#include <contrib/dev/acpica/acdebug.h>
120#include <contrib/dev/acpica/acnamesp.h>
121
122#ifdef ACPI_DEBUGGER
123
124#define _COMPONENT          ACPI_CA_DEBUGGER
125        ACPI_MODULE_NAME    ("dbstats")
126
127/* Local prototypes */
128
129static void
130AcpiDbCountNamespaceObjects (
131    void);
132
133static void
134AcpiDbEnumerateObject (
135    ACPI_OPERAND_OBJECT     *ObjDesc);
136
137static ACPI_STATUS
138AcpiDbClassifyOneObject (
139    ACPI_HANDLE             ObjHandle,
140    UINT32                  NestingLevel,
141    void                    *Context,
142    void                    **ReturnValue);
143
144#if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
145static void
146AcpiDbListInfo (
147    ACPI_MEMORY_LIST        *List);
148#endif
149
150
151/*
152 * Statistics subcommands
153 */
154static ARGUMENT_INFO        AcpiDbStatTypes [] =
155{
156    {"ALLOCATIONS"},
157    {"OBJECTS"},
158    {"MEMORY"},
159    {"MISC"},
160    {"TABLES"},
161    {"SIZES"},
162    {"STACK"},
163    {NULL}           /* Must be null terminated */
164};
165
166#define CMD_STAT_ALLOCATIONS     0
167#define CMD_STAT_OBJECTS         1
168#define CMD_STAT_MEMORY          2
169#define CMD_STAT_MISC            3
170#define CMD_STAT_TABLES          4
171#define CMD_STAT_SIZES           5
172#define CMD_STAT_STACK           6
173
174
175#if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
176
177/*******************************************************************************
178 *
179 * FUNCTION:    AcpiDbListInfo
180 *
181 * PARAMETERS:  List            - Memory list/cache to be displayed
182 *
183 * RETURN:      None
184 *
185 * DESCRIPTION: Display information about the input memory list or cache.
186 *
187 ******************************************************************************/
188
189static void
190AcpiDbListInfo (
191    ACPI_MEMORY_LIST        *List)
192{
193#ifdef ACPI_DBG_TRACK_ALLOCATIONS
194    UINT32                  Outstanding;
195#endif
196
197    AcpiOsPrintf ("\n%s\n", List->ListName);
198
199    /* MaxDepth > 0 indicates a cache object */
200
201    if (List->MaxDepth > 0)
202    {
203        AcpiOsPrintf (
204            "    Cache: [Depth    MaxD Avail  Size]                %8.2X %8.2X %8.2X %8.2X\n",
205            List->CurrentDepth,
206            List->MaxDepth,
207            List->MaxDepth - List->CurrentDepth,
208            (List->CurrentDepth * List->ObjectSize));
209    }
210
211#ifdef ACPI_DBG_TRACK_ALLOCATIONS
212    if (List->MaxDepth > 0)
213    {
214        AcpiOsPrintf (
215            "    Cache: [Requests Hits Misses ObjSize]             %8.2X %8.2X %8.2X %8.2X\n",
216            List->Requests,
217            List->Hits,
218            List->Requests - List->Hits,
219            List->ObjectSize);
220    }
221
222    Outstanding = AcpiDbGetCacheInfo (List);
223
224    if (List->ObjectSize)
225    {
226        AcpiOsPrintf (
227            "    Mem:   [Alloc    Free Max    CurSize Outstanding] %8.2X %8.2X %8.2X %8.2X %8.2X\n",
228            List->TotalAllocated,
229            List->TotalFreed,
230            List->MaxOccupied,
231            Outstanding * List->ObjectSize,
232            Outstanding);
233    }
234    else
235    {
236        AcpiOsPrintf (
237            "    Mem:   [Alloc Free Max CurSize Outstanding Total] %8.2X %8.2X %8.2X %8.2X %8.2X %8.2X\n",
238            List->TotalAllocated,
239            List->TotalFreed,
240            List->MaxOccupied,
241            List->CurrentTotalSize,
242            Outstanding,
243            List->TotalSize);
244    }
245#endif
246}
247#endif
248
249
250/*******************************************************************************
251 *
252 * FUNCTION:    AcpiDbEnumerateObject
253 *
254 * PARAMETERS:  ObjDesc             - Object to be counted
255 *
256 * RETURN:      None
257 *
258 * DESCRIPTION: Add this object to the global counts, by object type.
259 *              Limited recursion handles subobjects and packages, and this
260 *              is probably acceptable within the AML debugger only.
261 *
262 ******************************************************************************/
263
264static void
265AcpiDbEnumerateObject (
266    ACPI_OPERAND_OBJECT     *ObjDesc)
267{
268    UINT32                  i;
269
270
271    if (!ObjDesc)
272    {
273        return;
274    }
275
276    /* Enumerate this object first */
277
278    AcpiGbl_NumObjects++;
279
280    if (ACPI_GET_OBJECT_TYPE (ObjDesc) > ACPI_TYPE_NS_NODE_MAX)
281    {
282        AcpiGbl_ObjTypeCountMisc++;
283    }
284    else
285    {
286        AcpiGbl_ObjTypeCount [ACPI_GET_OBJECT_TYPE (ObjDesc)]++;
287    }
288
289    /* Count the sub-objects */
290
291    switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
292    {
293    case ACPI_TYPE_PACKAGE:
294
295        for (i = 0; i < ObjDesc->Package.Count; i++)
296        {
297            AcpiDbEnumerateObject (ObjDesc->Package.Elements[i]);
298        }
299        break;
300
301    case ACPI_TYPE_DEVICE:
302
303        AcpiDbEnumerateObject (ObjDesc->Device.SystemNotify);
304        AcpiDbEnumerateObject (ObjDesc->Device.DeviceNotify);
305        AcpiDbEnumerateObject (ObjDesc->Device.Handler);
306        break;
307
308    case ACPI_TYPE_BUFFER_FIELD:
309
310        if (AcpiNsGetSecondaryObject (ObjDesc))
311        {
312            AcpiGbl_ObjTypeCount [ACPI_TYPE_BUFFER_FIELD]++;
313        }
314        break;
315
316    case ACPI_TYPE_REGION:
317
318        AcpiGbl_ObjTypeCount [ACPI_TYPE_LOCAL_REGION_FIELD ]++;
319        AcpiDbEnumerateObject (ObjDesc->Region.Handler);
320        break;
321
322    case ACPI_TYPE_POWER:
323
324        AcpiDbEnumerateObject (ObjDesc->PowerResource.SystemNotify);
325        AcpiDbEnumerateObject (ObjDesc->PowerResource.DeviceNotify);
326        break;
327
328    case ACPI_TYPE_PROCESSOR:
329
330        AcpiDbEnumerateObject (ObjDesc->Processor.SystemNotify);
331        AcpiDbEnumerateObject (ObjDesc->Processor.DeviceNotify);
332        AcpiDbEnumerateObject (ObjDesc->Processor.Handler);
333        break;
334
335    case ACPI_TYPE_THERMAL:
336
337        AcpiDbEnumerateObject (ObjDesc->ThermalZone.SystemNotify);
338        AcpiDbEnumerateObject (ObjDesc->ThermalZone.DeviceNotify);
339        AcpiDbEnumerateObject (ObjDesc->ThermalZone.Handler);
340        break;
341
342    default:
343        break;
344    }
345}
346
347
348/*******************************************************************************
349 *
350 * FUNCTION:    AcpiDbClassifyOneObject
351 *
352 * PARAMETERS:  Callback for WalkNamespace
353 *
354 * RETURN:      Status
355 *
356 * DESCRIPTION: Enumerate both the object descriptor (including subobjects) and
357 *              the parent namespace node.
358 *
359 ******************************************************************************/
360
361static ACPI_STATUS
362AcpiDbClassifyOneObject (
363    ACPI_HANDLE             ObjHandle,
364    UINT32                  NestingLevel,
365    void                    *Context,
366    void                    **ReturnValue)
367{
368    ACPI_NAMESPACE_NODE     *Node;
369    ACPI_OPERAND_OBJECT     *ObjDesc;
370    UINT32                  Type;
371
372
373    AcpiGbl_NumNodes++;
374
375    Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
376    ObjDesc = AcpiNsGetAttachedObject (Node);
377
378    AcpiDbEnumerateObject (ObjDesc);
379
380    Type = Node->Type;
381    if (Type > ACPI_TYPE_NS_NODE_MAX)
382    {
383        AcpiGbl_NodeTypeCountMisc++;
384    }
385    else
386    {
387        AcpiGbl_NodeTypeCount [Type]++;
388    }
389
390    return AE_OK;
391
392
393#ifdef ACPI_FUTURE_IMPLEMENTATION
394
395    /* TBD: These need to be counted during the initial parsing phase */
396
397    if (AcpiPsIsNamedOp (Op->Opcode))
398    {
399        NumNodes++;
400    }
401
402    if (IsMethod)
403    {
404        NumMethodElements++;
405    }
406
407    NumGrammarElements++;
408    Op = AcpiPsGetDepthNext (Root, Op);
409
410    SizeOfParseTree   = (NumGrammarElements - NumMethodElements) *
411                            (UINT32) sizeof (ACPI_PARSE_OBJECT);
412    SizeOfMethodTrees = NumMethodElements * (UINT32) sizeof (ACPI_PARSE_OBJECT);
413    SizeOfNodeEntries = NumNodes * (UINT32) sizeof (ACPI_NAMESPACE_NODE);
414    SizeOfAcpiObjects = NumNodes * (UINT32) sizeof (ACPI_OPERAND_OBJECT);
415#endif
416}
417
418
419/*******************************************************************************
420 *
421 * FUNCTION:    AcpiDbCountNamespaceObjects
422 *
423 * PARAMETERS:  None
424 *
425 * RETURN:      None
426 *
427 * DESCRIPTION: Count and classify the entire namespace, including all
428 *              namespace nodes and attached objects.
429 *
430 ******************************************************************************/
431
432static void
433AcpiDbCountNamespaceObjects (
434    void)
435{
436    UINT32                  i;
437
438
439    AcpiGbl_NumNodes = 0;
440    AcpiGbl_NumObjects = 0;
441
442    AcpiGbl_ObjTypeCountMisc = 0;
443    for (i = 0; i < (ACPI_TYPE_NS_NODE_MAX -1); i++)
444    {
445        AcpiGbl_ObjTypeCount [i] = 0;
446        AcpiGbl_NodeTypeCount [i] = 0;
447    }
448
449    (void) AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
450                ACPI_UINT32_MAX, FALSE, AcpiDbClassifyOneObject, NULL, NULL);
451}
452
453
454/*******************************************************************************
455 *
456 * FUNCTION:    AcpiDbDisplayStatistics
457 *
458 * PARAMETERS:  TypeArg         - Subcommand
459 *
460 * RETURN:      Status
461 *
462 * DESCRIPTION: Display various statistics
463 *
464 ******************************************************************************/
465
466ACPI_STATUS
467AcpiDbDisplayStatistics (
468    char                    *TypeArg)
469{
470    UINT32                  i;
471    UINT32                  Temp;
472
473
474    if (!TypeArg)
475    {
476        AcpiOsPrintf ("The following subcommands are available:\n    ALLOCATIONS, OBJECTS, MEMORY, MISC, SIZES, TABLES\n");
477        return (AE_OK);
478    }
479
480    AcpiUtStrupr (TypeArg);
481    Temp = AcpiDbMatchArgument (TypeArg, AcpiDbStatTypes);
482    if (Temp == (UINT32) -1)
483    {
484        AcpiOsPrintf ("Invalid or unsupported argument\n");
485        return (AE_OK);
486    }
487
488
489    switch (Temp)
490    {
491    case CMD_STAT_ALLOCATIONS:
492
493#ifdef ACPI_DBG_TRACK_ALLOCATIONS
494        AcpiUtDumpAllocationInfo ();
495#endif
496        break;
497
498    case CMD_STAT_TABLES:
499
500        AcpiOsPrintf ("ACPI Table Information (not implemented):\n\n");
501        break;
502
503    case CMD_STAT_OBJECTS:
504
505        AcpiDbCountNamespaceObjects ();
506
507        AcpiOsPrintf ("\nObjects defined in the current namespace:\n\n");
508
509        AcpiOsPrintf ("%16.16s %10.10s %10.10s\n",
510            "ACPI_TYPE", "NODES", "OBJECTS");
511
512        for (i = 0; i < ACPI_TYPE_NS_NODE_MAX; i++)
513        {
514            AcpiOsPrintf ("%16.16s % 10ld% 10ld\n", AcpiUtGetTypeName (i),
515                AcpiGbl_NodeTypeCount [i], AcpiGbl_ObjTypeCount [i]);
516        }
517        AcpiOsPrintf ("%16.16s % 10ld% 10ld\n", "Misc/Unknown",
518            AcpiGbl_NodeTypeCountMisc, AcpiGbl_ObjTypeCountMisc);
519
520        AcpiOsPrintf ("%16.16s % 10ld% 10ld\n", "TOTALS:",
521            AcpiGbl_NumNodes, AcpiGbl_NumObjects);
522        break;
523
524    case CMD_STAT_MEMORY:
525
526#ifdef ACPI_DBG_TRACK_ALLOCATIONS
527        AcpiOsPrintf ("\n----Object Statistics (all in hex)---------\n");
528
529        AcpiDbListInfo (AcpiGbl_GlobalList);
530        AcpiDbListInfo (AcpiGbl_NsNodeList);
531#endif
532
533#ifdef ACPI_USE_LOCAL_CACHE
534        AcpiOsPrintf ("\n----Cache Statistics (all in hex)----------\n");
535        AcpiDbListInfo (AcpiGbl_OperandCache);
536        AcpiDbListInfo (AcpiGbl_PsNodeCache);
537        AcpiDbListInfo (AcpiGbl_PsNodeExtCache);
538        AcpiDbListInfo (AcpiGbl_StateCache);
539#endif
540
541        break;
542
543    case CMD_STAT_MISC:
544
545        AcpiOsPrintf ("\nMiscellaneous Statistics:\n\n");
546        AcpiOsPrintf ("Calls to AcpiPsFind:..  ........% 7ld\n",
547            AcpiGbl_PsFindCount);
548        AcpiOsPrintf ("Calls to AcpiNsLookup:..........% 7ld\n",
549            AcpiGbl_NsLookupCount);
550
551        AcpiOsPrintf ("\n");
552
553        AcpiOsPrintf ("Mutex usage:\n\n");
554        for (i = 0; i < ACPI_NUM_MUTEX; i++)
555        {
556            AcpiOsPrintf ("%-28s:       % 7ld\n",
557                AcpiUtGetMutexName (i), AcpiGbl_MutexInfo[i].UseCount);
558        }
559        break;
560
561
562    case CMD_STAT_SIZES:
563
564        AcpiOsPrintf ("\nInternal object sizes:\n\n");
565
566        AcpiOsPrintf ("Common           %3d\n", sizeof (ACPI_OBJECT_COMMON));
567        AcpiOsPrintf ("Number           %3d\n", sizeof (ACPI_OBJECT_INTEGER));
568        AcpiOsPrintf ("String           %3d\n", sizeof (ACPI_OBJECT_STRING));
569        AcpiOsPrintf ("Buffer           %3d\n", sizeof (ACPI_OBJECT_BUFFER));
570        AcpiOsPrintf ("Package          %3d\n", sizeof (ACPI_OBJECT_PACKAGE));
571        AcpiOsPrintf ("BufferField      %3d\n", sizeof (ACPI_OBJECT_BUFFER_FIELD));
572        AcpiOsPrintf ("Device           %3d\n", sizeof (ACPI_OBJECT_DEVICE));
573        AcpiOsPrintf ("Event            %3d\n", sizeof (ACPI_OBJECT_EVENT));
574        AcpiOsPrintf ("Method           %3d\n", sizeof (ACPI_OBJECT_METHOD));
575        AcpiOsPrintf ("Mutex            %3d\n", sizeof (ACPI_OBJECT_MUTEX));
576        AcpiOsPrintf ("Region           %3d\n", sizeof (ACPI_OBJECT_REGION));
577        AcpiOsPrintf ("PowerResource    %3d\n", sizeof (ACPI_OBJECT_POWER_RESOURCE));
578        AcpiOsPrintf ("Processor        %3d\n", sizeof (ACPI_OBJECT_PROCESSOR));
579        AcpiOsPrintf ("ThermalZone      %3d\n", sizeof (ACPI_OBJECT_THERMAL_ZONE));
580        AcpiOsPrintf ("RegionField      %3d\n", sizeof (ACPI_OBJECT_REGION_FIELD));
581        AcpiOsPrintf ("BankField        %3d\n", sizeof (ACPI_OBJECT_BANK_FIELD));
582        AcpiOsPrintf ("IndexField       %3d\n", sizeof (ACPI_OBJECT_INDEX_FIELD));
583        AcpiOsPrintf ("Reference        %3d\n", sizeof (ACPI_OBJECT_REFERENCE));
584        AcpiOsPrintf ("Notify           %3d\n", sizeof (ACPI_OBJECT_NOTIFY_HANDLER));
585        AcpiOsPrintf ("AddressSpace     %3d\n", sizeof (ACPI_OBJECT_ADDR_HANDLER));
586        AcpiOsPrintf ("Extra            %3d\n", sizeof (ACPI_OBJECT_EXTRA));
587        AcpiOsPrintf ("Data             %3d\n", sizeof (ACPI_OBJECT_DATA));
588
589        AcpiOsPrintf ("\n");
590
591        AcpiOsPrintf ("ParseObject      %3d\n", sizeof (ACPI_PARSE_OBJ_COMMON));
592        AcpiOsPrintf ("ParseObjectNamed %3d\n", sizeof (ACPI_PARSE_OBJ_NAMED));
593        AcpiOsPrintf ("ParseObjectAsl   %3d\n", sizeof (ACPI_PARSE_OBJ_ASL));
594        AcpiOsPrintf ("OperandObject    %3d\n", sizeof (ACPI_OPERAND_OBJECT));
595        AcpiOsPrintf ("NamespaceNode    %3d\n", sizeof (ACPI_NAMESPACE_NODE));
596
597        break;
598
599
600    case CMD_STAT_STACK:
601#if defined(ACPI_DEBUG_OUTPUT)
602
603        Temp = (UINT32) (AcpiGbl_EntryStackPointer - AcpiGbl_LowestStackPointer);
604
605        AcpiOsPrintf ("\nSubsystem Stack Usage:\n\n");
606        AcpiOsPrintf ("Entry Stack Pointer          %X\n", AcpiGbl_EntryStackPointer);
607        AcpiOsPrintf ("Lowest Stack Pointer         %X\n", AcpiGbl_LowestStackPointer);
608        AcpiOsPrintf ("Stack Use                    %X (%d)\n", Temp, Temp);
609        AcpiOsPrintf ("Deepest Procedure Nesting    %d\n", AcpiGbl_DeepestNesting);
610#endif
611        break;
612
613    default:
614        break;
615    }
616
617    AcpiOsPrintf ("\n");
618    return (AE_OK);
619}
620
621#endif /* ACPI_DEBUGGER  */
622