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>

diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 55b407a..1e6a1b0 100644 (file)
--- 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);

diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
index 1a1f810..d796fca 100644 (file)
--- a/drivers/acpi/utilities/utcache.c
+++ b/drivers/acpi/utilities/utcache.c
@@ -289,6 +289,14 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
 
                ACPI_MEM_TRACKING(cache->total_allocated++);
 
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+               if ((cache->total_allocated - cache->total_freed) >
+                   cache->max_occupied) {
+                       cache->max_occupied =
+                           cache->total_allocated - cache->total_freed;
+               }
+#endif
+
                /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
 
                status = acpi_ut_release_mutex(ACPI_MTX_CACHES);

diff --git a/include/acpi/acdebug.h b/include/acpi/acdebug.h
index 47296ff..c46a33a 100644 (file)
--- a/include/acpi/acdebug.h
+++ b/include/acpi/acdebug.h
@@ -159,6 +159,10 @@ void
 acpi_db_create_execution_threads(char *num_threads_arg,
                                 char *num_loops_arg, char *method_name_arg);
 
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+u32 acpi_db_get_cache_info(struct acpi_memory_list *cache);
+#endif
+
 /*
  * dbfileio - Debugger file I/O commands
  */

diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 9b7e05c..e135dab 100644 (file)
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -954,6 +954,8 @@ struct acpi_memory_list {
 
        u32 total_allocated;
        u32 total_freed;
+       u32 max_occupied;
+       u32 total_size;
        u32 current_total_size;
        u32 requests;
        u32 hits;