module_adapter: Add module_adapter_heap_usage()

Adds exported module_adapter_heap_usage() function that returns current
heap usage of the module in question.

Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>

Author: Jyri Sarha

src/audio/module_adapter/module/generic.c

@@ -152,6 +152,7 @@ void *mod_alloc_align(struct processing_module *mod, uint32_t size, uint32_t ali
 	}
 	/* Store reference to allocated memory */
 	container->ptr = ptr;
+	container->size = size;
 	list_item_prepend(&container->mem_list, &mod->priv.memory.mem_list);
 
 	return ptr;

src/audio/module_adapter/module_adapter.c

@@ -1289,6 +1289,21 @@ void module_adapter_free(struct comp_dev *dev)
 }
 EXPORT_SYMBOL(module_adapter_free);
 
+size_t module_adapter_heap_usage(struct processing_module *mod)
+{
+	struct list_item *mem_list, *_mem_list;
+	size_t size = 0;
+
+	list_for_item_safe(mem_list, _mem_list, &mod->priv.memory.mem_list) {
+		struct module_memory *mem = container_of(mem_list, struct module_memory, mem_list);
+
+		size += mem->size;
+	}
+
+	return size;
+}
+EXPORT_SYMBOL(module_adapter_heap_usage);
+
 /*
  * \brief Get DAI hw params
  * \param[in] dev - component device pointer

src/include/sof/audio/module_adapter/module/generic.h

@@ -122,6 +122,7 @@ struct module_param {
 struct module_memory {
 	void *ptr; /**< A pointr to particular memory block */
 	struct list_item mem_list; /**< list of memory allocated by module */
+	size_t size;
 };
 
 /**
@@ -222,6 +223,8 @@ int module_adapter_trigger(struct comp_dev *dev, int cmd);
 void module_adapter_free(struct comp_dev *dev);
 int module_adapter_reset(struct comp_dev *dev);
 
+size_t module_adapter_heap_usage(struct processing_module *mod);
+
 #if CONFIG_IPC_MAJOR_3
 static inline
 int module_adapter_get_attribute(struct comp_dev *dev, uint32_t type, void *value)