# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1180517294 -32400
# Node ID ab001aaf06238e6e112fc6133c3d2ed1e0583c7b
# Parent  32c3fe2830af8c7ff7bde90b8e46b970680bb766
add debug function.
PATCHNAME: debug_dump_heap

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r 32c3fe2830af -r ab001aaf0623 xen/common/page_alloc.c
--- a/xen/common/page_alloc.c	Wed May 30 18:27:25 2007 +0900
+++ b/xen/common/page_alloc.c	Wed May 30 18:28:14 2007 +0900
@@ -1088,6 +1088,45 @@ static __init int page_scrub_init(void)
 }
 __initcall(page_scrub_init);
 
+
+static int opt_print_all_avail;
+boolean_param("print_all_avail", opt_print_all_avail);
+static int opt_print_heap;
+boolean_param("print_heap", opt_print_heap);
+static int opt_print_all_heap;
+boolean_param("print_all_heap", opt_print_all_heap);
+void __dump_heap_avail(const char* func, int line)
+{
+    unsigned int node;
+
+    printk("%s:%d dumping heap max 0x%lx tot 0x%lx\n",
+           func, line, dom0->max_pages, dom0->tot_pages);
+    for ( node = 0; node < MAX_NUMNODES; node++ )
+    {
+        unsigned int zone;
+        if ( !avail[node] )
+            continue;
+        for ( zone = 0; zone < NR_ZONES; zone++ ) {
+            unsigned int order;
+            if (avail[node][zone] > 0 || opt_print_all_avail)
+                printk("heap[node=%d][zone=%d] -> %lu pages\n",
+                       node, zone, avail[node][zone]);
+
+            if (!opt_print_heap)
+                continue;
+            for ( order = 0; order < MAX_ORDER; order++ ) {
+                struct page_info *page;
+                unsigned int n = 0;
+                list_for_each_entry(page, &heap(node, zone, order), list)
+                    n++;
+                if (n > 0 || opt_print_all_heap)
+                    printk("list[node=%d][zone=%d][order=%d] = %d\n",
+                           node, zone, order, n);
+            }
+        }
+    }
+}
+
 /*
  * Local variables:
  * mode: C
diff -r 32c3fe2830af -r ab001aaf0623 xen/include/xen/mm.h
--- a/xen/include/xen/mm.h	Wed May 30 18:27:25 2007 +0900
+++ b/xen/include/xen/mm.h	Wed May 30 18:28:14 2007 +0900
@@ -106,4 +106,7 @@ int guest_remove_page(struct domain *d, 
 /* Returns TRUE if the memory at address @p is ordinary RAM. */
 int memory_is_conventional_ram(paddr_t p);
 
+void __dump_heap_avail(const char* func, int line);
+#define dump_heap_avail()	__dump_heap_avail(__func__, __LINE__)
+
 #endif /* __XEN_MM_H__ */