Changeset 438 for trunk/kernel/kern/dqdt.h

Timestamp:

Apr 4, 2018, 2:49:02 PM (6 years ago)

Author:

alain

Message:

Fix a bug in scheduler related to RPC blocking.

File:

• trunk/kernel/kern/dqdt.h (modified) (2 diffs)

trunk/kernel/kern/dqdt.h

@@ -93 +93 @@
 
 /****************************************************************************************
- * This recursive function traverses the DQDT quad-tree from bottom to root, to propagate
- * the change in the threads number and allocated pages number in a leaf cluster,
- * toward the upper levels of the DQDT quad-tree.
- * It should be called periodically by each instance of the kernel.
- ***************************************************************************************/
-void dqdt_global_update();
-
-/****************************************************************************************
- * This local function updates both the total number of threads,
- * in the level 0 DQDT node, and the variation of the number of threads
- * for future propagation to the DQDT upper levels.
+ * This local function updates the total number of threads in level 0 DQDT node,
+ * and propagates the variation to the DQDT upper levels.
  * It should be called on each thread creation or destruction.
  ****************************************************************************************
  * @ increment : increment (can be positive or negative)
  ***************************************************************************************/
-void dqdt_local_update_threads( int32_t  increment );
+void dqdt_update_threads( int32_t  increment );
 
 /****************************************************************************************
- * This local function updates both the total number of allocated pages,
- * in the level 0 DQDT node, and the variation of the number of pages
- * for future propagation to the DQDT upper levels.
- * It should be called on each memory allocation or release.
+ * This local function updates the total number of pages in level 0 DQDT node,
+ * and propagates the variation to the DQDT upper levels.
+ * It should be called on each physical memory page allocation or release.
  ****************************************************************************************
  * @ increment : increment (can be positive or negative)
  ***************************************************************************************/
-void dqdt_local_update_pages( int32_t increment );
+void dqdt_update_pages( int32_t increment );
 
 /****************************************************************************************
@@ -139 +129 @@
 
 /****************************************************************************************
- * This recursive function displays usage information for all DQDT nodes in the subtree
- * defined by the node argument. It traverses the quadtree from root to bottom.
- ****************************************************************************************
- * @ node_xp   : extended pointer on a DQDT node.
+ * This function displays on kernel TXT0 the DQDT state for all nodes in the quad-tree.
+ * It traverses the quadtree from root to bottom, and can be called by a thread 
+ * running in any cluster
  ***************************************************************************************/
-void dqdt_global_print( xptr_t  node_xp );
-
-/****************************************************************************************
- * This function displays summary usage information in a given DQDT local node.
- ****************************************************************************************
- * @ node   : local pointer on a DQDT node.
- ***************************************************************************************/
-void dqdt_local_print( dqdt_node_t * node );
+void dqdt_display();