1 files changed, 511 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/dbstats.c b/drivers/acpi/acpica/dbstats.c
new file mode 100644
index 000000000..bf620937c
--- /dev/null
+++ b/drivers/acpi/acpica/dbstats.c
@@ -0,0 +1,511 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/*******************************************************************************
+ *
+ * Module Name: dbstats - Generation and display of ACPI table statistics
+ *
+ ******************************************************************************/
+
+#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);
+}