Changeset 566ba81 in mainline for generic/src/mm/frame.c

Timestamp:

2006-01-08T14:43:52Z (19 years ago)

Author:

Sergey Bondari <bondari@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6d7ffa65

Parents:

2fe2046c

Message:

Console command 'zone' now takes zone address as parameter.
Added buddy system statistics into the 'zone' command.

File:

• generic/src/mm/frame.c (modified) (2 diffs)

generic/src/mm/frame.c

@@ -491 +491 @@
         link_t *cur;
         index_t i = 0;
+        spinlock_lock(&zone_head_lock);
         printf("No.\tBase address\tFree Frames\tBusy Frames\n");
         printf("---\t------------\t-----------\t-----------\n");
         for (cur = zone_head.next; cur != &zone_head; cur = cur->next) {
                 zone = list_get_instance(cur, zone_t, link);
+                spinlock_lock(&zone->lock);
                 printf("%d\t%L\t%d\t\t%d\n",i++,zone->base, zone->free_count, zone->busy_count);
         }
+        spinlock_unlock(&zone_head_lock);
 
 }
@@ -502 +505 @@
 /** Prints zone details
  *
- * @param zone_index Zone order in zones list (0 is the first zone)
- */
-void zone_print_one(index_t zone_index) {
-        zone_t *zone = NULL;
+ * @param base Zone base address
+ */
+void zone_print_one(__address base) {
+        zone_t *zone = NULL, *z ;
         link_t *cur;
-        index_t i = 0;
+        
+        
+        spinlock_lock(&zone_head_lock);
+        
         
         for (cur = zone_head.next; cur != &zone_head; cur = cur->next) {
-                if (i == zone_index) {
-                        zone = list_get_instance(cur, zone_t, link);
+                z = list_get_instance(cur, zone_t, link);
+                if (base == z->base) { 
+                        zone = z;
                         break;
                 }
-                i++;
-        }
+        }
+        
         
         if (!zone) {
-                printf("No zone with index %d\n", zone_index);
+                printf("No zone with address %X\n", base);
                 return;
         }
         
-        printf("Memory zone %d information\n\n", zone_index);
+        spinlock_lock(&zone->lock);
+        printf("Memory zone information\n\n");
         printf("Zone base address: %P\n", zone->base);
         printf("Zone size: %d frames (%d kbytes)\n", zone->free_count + zone->busy_count, ((zone->free_count + zone->busy_count) * FRAME_SIZE) >> 10);
         printf("Allocated space: %d frames (%d kbytes)\n", zone->busy_count, (zone->busy_count * FRAME_SIZE) >> 10);
         printf("Available space: %d (%d kbytes)\n", zone->free_count, (zone->free_count * FRAME_SIZE) >> 10);
-        printf("Buddy allocator structures: not implemented\n");
-}
-
+        
+        printf("\nBuddy allocator structures:\n\n");
+        buddy_system_structure_print(zone->buddy_system);
+        
+        
+        spinlock_unlock(&zone->lock);
+        spinlock_unlock(&zone_head_lock);
+        
+}
+