ACPICA: Enhance debugger statistics/memory command.

Debugger: Enhanced the Statistics/Memory command to emit the
total (maximum) memory used during execution, as well as the
maximum memory consumed by each of the various object types.

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 55b407aae266..1e6a1b02dfd7 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -61,6 +61,9 @@ ACPI_MODULE_NAME("nsalloc")
 struct acpi_namespace_node *acpi_ns_create_node(u32 name)
 {
         struct acpi_namespace_node *node;
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        u32 temp;
+#endif
 
         ACPI_FUNCTION_TRACE(ns_create_node);
 
@@ -71,6 +74,15 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name)
 
         ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++);
 
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        temp =
+            acpi_gbl_ns_node_list->total_allocated -
+            acpi_gbl_ns_node_list->total_freed;
+        if (temp > acpi_gbl_ns_node_list->max_occupied) {
+                acpi_gbl_ns_node_list->max_occupied = temp;
+        }
+#endif
+
         node->name.integer = name;
         ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED);
         return_PTR(node);