mem0dbg.h, mem0dbg.c:

  Put back mem_print_info() functions that are used to analyze memory leaks; Marko removed them by accident in his Feb 20th, 2004 patch; these functions are very important for debugging, and should always be kept in the source code base

2 files changed, 138 insertions, 0 deletions

diff --git a/innobase/include/mem0dbg.h b/innobase/include/mem0dbg.h
index 6c92d669be3..96f30842df6 100644
--- a/innobase/include/mem0dbg.h
+++ b/innobase/include/mem0dbg.h
@@ -116,4 +116,17 @@ void
 mem_analyze_corruption(
 /*===================*/
 	byte*	ptr);	/* in: pointer to place of possible corruption */
+/*********************************************************************
+Prints information of dynamic memory usage and currently allocated memory
+heaps or buffers. Can only be used in the debug version. */
 
+void
+mem_print_info(void);
+/*================*/
+/*********************************************************************
+Prints information of dynamic memory usage and currently allocated memory
+heaps or buffers since the last ..._print_info or..._print_new_info. */
+
+void
+mem_print_new_info(void);
+/*====================*/
diff --git a/innobase/mem/mem0dbg.c b/innobase/mem/mem0dbg.c
index 92c1235220e..0a56d8dbadf 100644
--- a/innobase/mem/mem0dbg.c
+++ b/innobase/mem/mem0dbg.c
@@ -797,3 +797,128 @@ mem_analyze_corruption(
 		dist++;
 	}
 }
+
+/*********************************************************************
+Prints information of dynamic memory usage and currently allocated
+memory heaps or buffers. Can only be used in the debug version. */
+static
+void
+mem_print_info_low(
+/*===============*/
+	ibool	print_all)      /* in: if TRUE, all heaps are printed,
+				else only the heaps allocated after the
+				previous call of this function */	
+{
+#ifdef UNIV_MEM_DEBUG
+	mem_hash_node_t*	node;
+	ulint			n_heaps 		= 0;
+	ulint			allocated_mem;
+	ulint			ph_size;
+	ulint			total_allocated_mem 	= 0;
+	ibool			error;
+	ulint			n_blocks;
+#endif
+	FILE*			outfile;
+	
+	/* outfile = fopen("ibdebug", "a"); */
+
+	outfile = stdout;
+	
+	fprintf(outfile, "\n");	
+	fprintf(outfile,
+		"________________________________________________________\n");
+	fprintf(outfile, "MEMORY ALLOCATION INFORMATION\n\n");
+
+#ifndef UNIV_MEM_DEBUG
+
+	UT_NOT_USED(print_all);
+
+	mem_pool_print_info(outfile, mem_comm_pool);
+	
+	fprintf(outfile,
+		"Sorry, non-debug version cannot give more memory info\n");
+
+	/* fclose(outfile); */
+	
+	return;
+#else
+	mutex_enter(&mem_hash_mutex);
+	
+	fprintf(outfile, "LIST OF CREATED HEAPS AND ALLOCATED BUFFERS: \n\n");
+
+	if (!print_all) {
+		fprintf(outfile, "AFTER THE LAST PRINT INFO\n");
+	}
+
+	node = UT_LIST_GET_FIRST(mem_all_list_base);
+
+	while (node != NULL) {
+		n_heaps++;
+		
+		if (!print_all && node->nth_heap < mem_last_print_info) {
+
+			goto next_heap;
+		}	
+
+		mem_heap_validate_or_print(node->heap, NULL, 
+				FALSE, &error, &allocated_mem, 
+				&ph_size, &n_blocks);
+		total_allocated_mem += allocated_mem;
+
+		fprintf(outfile,
+ "%lu: file %s line %lu of size %lu phys.size %lu with %lu blocks, type %lu\n",
+				node->nth_heap, node->file_name, node->line, 
+				allocated_mem, ph_size, n_blocks,
+				(node->heap)->type);
+	next_heap:
+		node = UT_LIST_GET_NEXT(all_list, node);
+	}
+	
+	fprintf(outfile, "\n");
+
+	fprintf(outfile, "Current allocated memory	  	: %lu\n", 
+			mem_current_allocated_memory);
+	fprintf(outfile, "Current allocated heaps and buffers	: %lu\n", 
+			n_heaps);
+	fprintf(outfile, "Cumulative allocated memory	  	: %lu\n", 
+			mem_total_allocated_memory);
+	fprintf(outfile, "Maximum allocated memory	  	: %lu\n",
+			mem_max_allocated_memory);
+	fprintf(outfile, "Cumulative created heaps and buffers	: %lu\n", 
+			mem_n_created_heaps);
+	fprintf(outfile, "Cumulative number of allocations	: %lu\n", 
+			mem_n_allocations);
+
+	mem_last_print_info = mem_n_created_heaps;
+
+	mutex_exit(&mem_hash_mutex);
+
+	mem_pool_print_info(outfile, mem_comm_pool);
+	
+/*	mem_validate(); */
+
+/* 	fclose(outfile); */
+#endif
+}
+
+/*********************************************************************
+Prints information of dynamic memory usage and currently allocated memory
+heaps or buffers. Can only be used in the debug version. */
+
+void
+mem_print_info(void)
+/*================*/
+{
+	mem_print_info_low(TRUE);
+}
+
+/*********************************************************************
+Prints information of dynamic memory usage and currently allocated memory
+heaps or buffers since the last ..._print_info or..._print_new_info. */
+
+void
+mem_print_new_info(void)
+/*====================*/
+{
+	mem_print_info_low(FALSE);
+}