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linux/drivers/acpi/acpica/dbstats.c

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/*******************************************************************************
*
* Module Name: dbstats - Generation and display of ACPI table statistics
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2016, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include "accommon.h"
#include "acdebug.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME("dbstats")
/* Local prototypes */
static void acpi_db_count_namespace_objects(void);
static void acpi_db_enumerate_object(union acpi_operand_object *obj_desc);
static acpi_status
acpi_db_classify_one_object(acpi_handle obj_handle,
u32 nesting_level,
void *context, void **return_value);
#if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
static void acpi_db_list_info(struct acpi_memory_list *list);
#endif
/*
* Statistics subcommands
*/
static struct acpi_db_argument_info acpi_db_stat_types[] = {
{"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: acpi_db_list_info
*
* PARAMETERS: list - Memory list/cache to be displayed
*
* RETURN: None
*
* DESCRIPTION: Display information about the input memory list or cache.
*
******************************************************************************/
static void acpi_db_list_info(struct acpi_memory_list *list)
{
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
u32 outstanding;
#endif
acpi_os_printf("\n%s\n", list->list_name);
/* max_depth > 0 indicates a cache object */
if (list->max_depth > 0) {
acpi_os_printf
(" Cache: [Depth MaxD Avail Size] "
"%8.2X %8.2X %8.2X %8.2X\n", list->current_depth,
list->max_depth, list->max_depth - list->current_depth,
(list->current_depth * list->object_size));
}
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
if (list->max_depth > 0) {
acpi_os_printf
(" Cache: [Requests Hits Misses ObjSize] "
"%8.2X %8.2X %8.2X %8.2X\n", list->requests, list->hits,
list->requests - list->hits, list->object_size);
}
outstanding = acpi_db_get_cache_info(list);
if (list->object_size) {
acpi_os_printf
(" Mem: [Alloc Free Max CurSize Outstanding] "
"%8.2X %8.2X %8.2X %8.2X %8.2X\n", list->total_allocated,
list->total_freed, list->max_occupied,
outstanding * list->object_size, outstanding);
} else {
acpi_os_printf
(" Mem: [Alloc Free Max CurSize Outstanding Total] "
"%8.2X %8.2X %8.2X %8.2X %8.2X %8.2X\n",
list->total_allocated, list->total_freed,
list->max_occupied, list->current_total_size, outstanding,
list->total_size);
}
#endif
}
#endif
/*******************************************************************************
*
* FUNCTION: acpi_db_enumerate_object
*
* PARAMETERS: obj_desc - 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 acpi_db_enumerate_object(union acpi_operand_object *obj_desc)
{
u32 i;
if (!obj_desc) {
return;
}
/* Enumerate this object first */
acpi_gbl_num_objects++;
if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) {
acpi_gbl_obj_type_count_misc++;
} else {
acpi_gbl_obj_type_count[obj_desc->common.type]++;
}
/* Count the sub-objects */
switch (obj_desc->common.type) {
case ACPI_TYPE_PACKAGE:
for (i = 0; i < obj_desc->package.count; i++) {
acpi_db_enumerate_object(obj_desc->package.elements[i]);
}
break;
case ACPI_TYPE_DEVICE:
acpi_db_enumerate_object(obj_desc->device.notify_list[0]);
acpi_db_enumerate_object(obj_desc->device.notify_list[1]);
acpi_db_enumerate_object(obj_desc->device.handler);
break;
case ACPI_TYPE_BUFFER_FIELD:
if (acpi_ns_get_secondary_object(obj_desc)) {
acpi_gbl_obj_type_count[ACPI_TYPE_BUFFER_FIELD]++;
}
break;
case ACPI_TYPE_REGION:
acpi_gbl_obj_type_count[ACPI_TYPE_LOCAL_REGION_FIELD]++;
acpi_db_enumerate_object(obj_desc->region.handler);
break;
case ACPI_TYPE_POWER:
acpi_db_enumerate_object(obj_desc->power_resource.
notify_list[0]);
acpi_db_enumerate_object(obj_desc->power_resource.
notify_list[1]);
break;
case ACPI_TYPE_PROCESSOR:
acpi_db_enumerate_object(obj_desc->processor.notify_list[0]);
acpi_db_enumerate_object(obj_desc->processor.notify_list[1]);
acpi_db_enumerate_object(obj_desc->processor.handler);
break;
case ACPI_TYPE_THERMAL:
acpi_db_enumerate_object(obj_desc->thermal_zone.notify_list[0]);
acpi_db_enumerate_object(obj_desc->thermal_zone.notify_list[1]);
acpi_db_enumerate_object(obj_desc->thermal_zone.handler);
break;
default:
break;
}
}
/*******************************************************************************
*
* FUNCTION: acpi_db_classify_one_object
*
* PARAMETERS: Callback for walk_namespace
*
* RETURN: Status
*
* DESCRIPTION: Enumerate both the object descriptor (including subobjects) and
* the parent namespace node.
*
******************************************************************************/
static acpi_status
acpi_db_classify_one_object(acpi_handle obj_handle,
u32 nesting_level,
void *context, void **return_value)
{
struct acpi_namespace_node *node;
union acpi_operand_object *obj_desc;
u32 type;
acpi_gbl_num_nodes++;
node = (struct acpi_namespace_node *)obj_handle;
obj_desc = acpi_ns_get_attached_object(node);
acpi_db_enumerate_object(obj_desc);
type = node->type;
if (type > ACPI_TYPE_NS_NODE_MAX) {
acpi_gbl_node_type_count_misc++;
} else {
acpi_gbl_node_type_count[type]++;
}
return (AE_OK);
#ifdef ACPI_FUTURE_IMPLEMENTATION
/* TBD: These need to be counted during the initial parsing phase */
if (acpi_ps_is_named_op(op->opcode)) {
num_nodes++;
}
if (is_method) {
num_method_elements++;
}
num_grammar_elements++;
op = acpi_ps_get_depth_next(root, op);
size_of_parse_tree = (num_grammar_elements - num_method_elements) *
(u32)sizeof(union acpi_parse_object);
size_of_method_trees =
num_method_elements * (u32)sizeof(union acpi_parse_object);
size_of_node_entries =
num_nodes * (u32)sizeof(struct acpi_namespace_node);
size_of_acpi_objects =
num_nodes * (u32)sizeof(union acpi_operand_object);
#endif
}
/*******************************************************************************
*
* FUNCTION: acpi_db_count_namespace_objects
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Count and classify the entire namespace, including all
* namespace nodes and attached objects.
*
******************************************************************************/
static void acpi_db_count_namespace_objects(void)
{
u32 i;
acpi_gbl_num_nodes = 0;
acpi_gbl_num_objects = 0;
acpi_gbl_obj_type_count_misc = 0;
for (i = 0; i < (ACPI_TYPE_NS_NODE_MAX - 1); i++) {
acpi_gbl_obj_type_count[i] = 0;
acpi_gbl_node_type_count[i] = 0;
}
(void)acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE,
acpi_db_classify_one_object, NULL, NULL,
NULL);
}
/*******************************************************************************
*
* FUNCTION: acpi_db_display_statistics
*
* PARAMETERS: type_arg - Subcommand
*
* RETURN: Status
*
* DESCRIPTION: Display various statistics
*
******************************************************************************/
acpi_status acpi_db_display_statistics(char *type_arg)
{
u32 i;
u32 temp;
acpi_ut_strupr(type_arg);
temp = acpi_db_match_argument(type_arg, acpi_db_stat_types);
if (temp == ACPI_TYPE_NOT_FOUND) {
acpi_os_printf("Invalid or unsupported argument\n");
return (AE_OK);
}
switch (temp) {
case CMD_STAT_ALLOCATIONS:
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
acpi_ut_dump_allocation_info();
#endif
break;
case CMD_STAT_TABLES:
acpi_os_printf("ACPI Table Information (not implemented):\n\n");
break;
case CMD_STAT_OBJECTS:
acpi_db_count_namespace_objects();
acpi_os_printf
("\nObjects defined in the current namespace:\n\n");
acpi_os_printf("%16.16s %10.10s %10.10s\n",
"ACPI_TYPE", "NODES", "OBJECTS");
for (i = 0; i < ACPI_TYPE_NS_NODE_MAX; i++) {
acpi_os_printf("%16.16s % 10ld% 10ld\n",
acpi_ut_get_type_name(i),
acpi_gbl_node_type_count[i],
acpi_gbl_obj_type_count[i]);
}
acpi_os_printf("%16.16s % 10ld% 10ld\n", "Misc/Unknown",
acpi_gbl_node_type_count_misc,
acpi_gbl_obj_type_count_misc);
acpi_os_printf("%16.16s % 10ld% 10ld\n", "TOTALS:",
acpi_gbl_num_nodes, acpi_gbl_num_objects);
break;
case CMD_STAT_MEMORY:
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
acpi_os_printf
("\n----Object Statistics (all in hex)---------\n");
acpi_db_list_info(acpi_gbl_global_list);
acpi_db_list_info(acpi_gbl_ns_node_list);
#endif
#ifdef ACPI_USE_LOCAL_CACHE
acpi_os_printf
("\n----Cache Statistics (all in hex)---------\n");
acpi_db_list_info(acpi_gbl_operand_cache);
acpi_db_list_info(acpi_gbl_ps_node_cache);
acpi_db_list_info(acpi_gbl_ps_node_ext_cache);
acpi_db_list_info(acpi_gbl_state_cache);
#endif
break;
case CMD_STAT_MISC:
acpi_os_printf("\nMiscellaneous Statistics:\n\n");
acpi_os_printf("Calls to AcpiPsFind:.. ........% 7ld\n",
acpi_gbl_ps_find_count);
acpi_os_printf("Calls to AcpiNsLookup:..........% 7ld\n",
acpi_gbl_ns_lookup_count);
acpi_os_printf("\n");
acpi_os_printf("Mutex usage:\n\n");
for (i = 0; i < ACPI_NUM_MUTEX; i++) {
acpi_os_printf("%-28s: % 7ld\n",
acpi_ut_get_mutex_name(i),
acpi_gbl_mutex_info[i].use_count);
}
break;
case CMD_STAT_SIZES:
acpi_os_printf("\nInternal object sizes:\n\n");
acpi_os_printf("Common %3d\n",
sizeof(struct acpi_object_common));
acpi_os_printf("Number %3d\n",
sizeof(struct acpi_object_integer));
acpi_os_printf("String %3d\n",
sizeof(struct acpi_object_string));
acpi_os_printf("Buffer %3d\n",
sizeof(struct acpi_object_buffer));
acpi_os_printf("Package %3d\n",
sizeof(struct acpi_object_package));
acpi_os_printf("BufferField %3d\n",
sizeof(struct acpi_object_buffer_field));
acpi_os_printf("Device %3d\n",
sizeof(struct acpi_object_device));
acpi_os_printf("Event %3d\n",
sizeof(struct acpi_object_event));
acpi_os_printf("Method %3d\n",
sizeof(struct acpi_object_method));
acpi_os_printf("Mutex %3d\n",
sizeof(struct acpi_object_mutex));
acpi_os_printf("Region %3d\n",
sizeof(struct acpi_object_region));
acpi_os_printf("PowerResource %3d\n",
sizeof(struct acpi_object_power_resource));
acpi_os_printf("Processor %3d\n",
sizeof(struct acpi_object_processor));
acpi_os_printf("ThermalZone %3d\n",
sizeof(struct acpi_object_thermal_zone));
acpi_os_printf("RegionField %3d\n",
sizeof(struct acpi_object_region_field));
acpi_os_printf("BankField %3d\n",
sizeof(struct acpi_object_bank_field));
acpi_os_printf("IndexField %3d\n",
sizeof(struct acpi_object_index_field));
acpi_os_printf("Reference %3d\n",
sizeof(struct acpi_object_reference));
acpi_os_printf("Notify %3d\n",
sizeof(struct acpi_object_notify_handler));
acpi_os_printf("AddressSpace %3d\n",
sizeof(struct acpi_object_addr_handler));
acpi_os_printf("Extra %3d\n",
sizeof(struct acpi_object_extra));
acpi_os_printf("Data %3d\n",
sizeof(struct acpi_object_data));
acpi_os_printf("\n");
acpi_os_printf("ParseObject %3d\n",
sizeof(struct acpi_parse_obj_common));
acpi_os_printf("ParseObjectNamed %3d\n",
sizeof(struct acpi_parse_obj_named));
acpi_os_printf("ParseObjectAsl %3d\n",
sizeof(struct acpi_parse_obj_asl));
acpi_os_printf("OperandObject %3d\n",
sizeof(union acpi_operand_object));
acpi_os_printf("NamespaceNode %3d\n",
sizeof(struct acpi_namespace_node));
acpi_os_printf("AcpiObject %3d\n",
sizeof(union acpi_object));
acpi_os_printf("\n");
acpi_os_printf("Generic State %3d\n",
sizeof(union acpi_generic_state));
acpi_os_printf("Common State %3d\n",
sizeof(struct acpi_common_state));
acpi_os_printf("Control State %3d\n",
sizeof(struct acpi_control_state));
acpi_os_printf("Update State %3d\n",
sizeof(struct acpi_update_state));
acpi_os_printf("Scope State %3d\n",
sizeof(struct acpi_scope_state));
acpi_os_printf("Parse Scope %3d\n",
sizeof(struct acpi_pscope_state));
acpi_os_printf("Package State %3d\n",
sizeof(struct acpi_pkg_state));
acpi_os_printf("Thread State %3d\n",
sizeof(struct acpi_thread_state));
acpi_os_printf("Result Values %3d\n",
sizeof(struct acpi_result_values));
acpi_os_printf("Notify Info %3d\n",
sizeof(struct acpi_notify_info));
break;
case CMD_STAT_STACK:
#if defined(ACPI_DEBUG_OUTPUT)
temp =
(u32)ACPI_PTR_DIFF(acpi_gbl_entry_stack_pointer,
acpi_gbl_lowest_stack_pointer);
acpi_os_printf("\nSubsystem Stack Usage:\n\n");
acpi_os_printf("Entry Stack Pointer %p\n",
acpi_gbl_entry_stack_pointer);
acpi_os_printf("Lowest Stack Pointer %p\n",
acpi_gbl_lowest_stack_pointer);
acpi_os_printf("Stack Use %X (%u)\n", temp,
temp);
acpi_os_printf("Deepest Procedure Nesting %u\n",
acpi_gbl_deepest_nesting);
#endif
break;
default:
break;
}
acpi_os_printf("\n");
return (AE_OK);
}
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