path: root/percona/5.0.91-b22-20100522/innodb_show_bp.patch

diff -r fe944d2c6e1f innobase/btr/btr0btr.c
--- a/innobase/btr/btr0btr.c	Mon Nov 10 19:47:27 2008 -0800
+++ b/innobase/btr/btr0btr.c	Mon Nov 10 19:48:24 2008 -0800
@@ -2989,3 +2989,11 @@
 
 	return(TRUE);
 }
+
+dulint
+btr_page_get_index_id_noninline(
+/*============*/
+        page_t* page)  /* in: index page */
+{
+  return btr_page_get_index_id(page);
+}
diff -r fe944d2c6e1f innobase/buf/buf0buf.c
--- a/innobase/buf/buf0buf.c	Mon Nov 10 19:47:27 2008 -0800
+++ b/innobase/buf/buf0buf.c	Mon Nov 10 19:48:24 2008 -0800
@@ -2629,3 +2629,13 @@
 	buf_block_print(block);
 }
 
+buf_block_t*
+buf_pool_get_nth_block_no_inline(
+/*===================*/
+                                /* out: pointer to block */
+        buf_pool_t*     buf_pool,/* in: buf_pool */
+        ulint           i)      /* in: index of the block */{
+
+return buf_pool_get_nth_block(buf_pool, i);
+
+}
diff -r fe944d2c6e1f innobase/include/btr0btr.h
--- a/innobase/include/btr0btr.h	Mon Nov 10 19:47:27 2008 -0800
+++ b/innobase/include/btr0btr.h	Mon Nov 10 19:48:24 2008 -0800
@@ -69,6 +69,12 @@
 UNIV_INLINE
 dulint
 btr_page_get_index_id(
+/*==================*/
+				/* out: index id */
+	page_t*		page);	/* in: index page */
+
+dulint
+btr_page_get_index_id_noninline(
 /*==================*/
 				/* out: index id */
 	page_t*		page);	/* in: index page */
diff -r fe944d2c6e1f innobase/include/buf0buf.h
--- a/innobase/include/buf0buf.h	Mon Nov 10 19:47:27 2008 -0800
+++ b/innobase/include/buf0buf.h	Mon Nov 10 19:48:24 2008 -0800
@@ -703,6 +703,8 @@
 buf_get_free_list_len(void);
 /*=======================*/
 
+void buf_pool_dump(void);
+buf_block_t* buf_pool_get_nth_block_no_inline(buf_pool_t* pool, ulint i);  
 
 			
 /* The buffer control block structure */
diff -r fe944d2c6e1f innobase/include/page0page.h
--- a/innobase/include/page0page.h	Mon Nov 10 19:47:27 2008 -0800
+++ b/innobase/include/page0page.h	Mon Nov 10 19:48:24 2008 -0800
@@ -260,6 +260,12 @@
 /*============*/
 			/* out: number of user records */
 	page_t*	page);	/* in: index page */
+
+ulint
+page_get_n_recs_noninline(
+/*============*/
+			/* out: number of user records */
+	page_t*	page);	/* in: index page */
 /*******************************************************************
 Returns the number of records before the given record in chain.
 The number includes infimum and supremum records. */
@@ -519,6 +525,12 @@
 UNIV_INLINE
 ulint
 page_get_data_size(
+/*===============*/
+			/* out: data in bytes */
+	page_t*	page);	/* in: index page */
+
+ulint
+page_get_data_size_noninline(
 /*===============*/
 			/* out: data in bytes */
 	page_t*	page);	/* in: index page */
diff -r fe944d2c6e1f innobase/page/page0page.c
--- a/innobase/page/page0page.c	Mon Nov 10 19:47:27 2008 -0800
+++ b/innobase/page/page0page.c	Mon Nov 10 19:48:24 2008 -0800
@@ -1994,3 +1994,25 @@
 		page_cur_move_to_next(&cur);
 	}
 }
+
+ulint
+page_get_n_recs_noninline(
+/*============*/
+                        /* out: number of user records */
+        page_t* page)  /* in: index page */
+{
+ return page_get_n_recs(page);
+}
+
+
+ulint
+page_get_data_size_noninline(
+/*============*/
+                        /* out: number of user records */
+        page_t* page)  /* in: index page */
+{
+ return page_get_data_size(page);
+}
+
+
+
diff -r fe944d2c6e1f mysql-test/r/information_schema.result
--- a/mysql-test/r/information_schema.result	Mon Nov 10 19:47:27 2008 -0800
+++ b/mysql-test/r/information_schema.result	Mon Nov 10 19:48:25 2008 -0800
@@ -42,6 +42,7 @@
 COLLATION_CHARACTER_SET_APPLICABILITY
 COLUMNS
 COLUMN_PRIVILEGES
+INNODB_BUFFER_POOL_CONTENT
 INDEX_STATISTICS
 KEY_COLUMN_USAGE
 PROCESSLIST
@@ -741,7 +742,7 @@
 CREATE VIEW a1 (t_CRASHME) AS SELECT f1 FROM t_crashme GROUP BY f1;
 CREATE VIEW a2 AS SELECT t_CRASHME FROM a1;
 count(*)
-107
+108
 drop view a2, a1;
 drop table t_crashme;
 select table_schema,table_name, column_name from
@@ -802,6 +803,7 @@
 TABLE_NAME	COLUMN_NAME	PRIVILEGES
 COLUMNS	TABLE_NAME	select
 COLUMN_PRIVILEGES	TABLE_NAME	select
+INNODB_BUFFER_POOL_CONTENT	TABLE_NAME	select
 INDEX_STATISTICS	TABLE_NAME	select
 KEY_COLUMN_USAGE	TABLE_NAME	select
 STATISTICS	TABLE_NAME	select
@@ -815,7 +817,7 @@
 flush privileges;
 SELECT table_schema, count(*) FROM information_schema.TABLES GROUP BY TABLE_SCHEMA;
 table_schema	count(*)
-information_schema	22
+information_schema	23
 mysql	17
 create table t1 (i int, j int);
 create trigger trg1 before insert on t1 for each row
@@ -1206,6 +1208,7 @@
 COLLATION_CHARACTER_SET_APPLICABILITY	COLLATION_NAME
 COLUMNS	TABLE_SCHEMA
 COLUMN_PRIVILEGES	TABLE_SCHEMA
+INNODB_BUFFER_POOL_CONTENT	TABLE_SCHEMA
 INDEX_STATISTICS	TABLE_SCHEMA
 KEY_COLUMN_USAGE	CONSTRAINT_SCHEMA
 PROCESSLIST	ID
@@ -1243,6 +1246,7 @@
 COLLATION_CHARACTER_SET_APPLICABILITY	COLLATION_NAME
 COLUMNS	TABLE_SCHEMA
 COLUMN_PRIVILEGES	TABLE_SCHEMA
+INNODB_BUFFER_POOL_CONTENT	TABLE_SCHEMA
 INDEX_STATISTICS	TABLE_SCHEMA
 KEY_COLUMN_USAGE	CONSTRAINT_SCHEMA
 PROCESSLIST	ID
@@ -1332,6 +1336,7 @@
 COLUMNS	information_schema.COLUMNS	1
 COLUMN_PRIVILEGES	information_schema.COLUMN_PRIVILEGES	1
 INDEX_STATISTICS	information_schema.INDEX_STATISTICS	1
+INNODB_BUFFER_POOL_CONTENT	information_schema.INNODB_BUFFER_POOL_CONTENT	1
 KEY_COLUMN_USAGE	information_schema.KEY_COLUMN_USAGE	1
 PROCESSLIST	information_schema.PROCESSLIST	1
 PROFILING	information_schema.PROFILING	1
diff -r fe944d2c6e1f mysql-test/r/information_schema_db.result
--- a/mysql-test/r/information_schema_db.result	Mon Nov 10 19:47:27 2008 -0800
+++ b/mysql-test/r/information_schema_db.result	Mon Nov 10 19:48:25 2008 -0800
@@ -11,6 +11,7 @@
 COLLATION_CHARACTER_SET_APPLICABILITY
 COLUMNS
 COLUMN_PRIVILEGES
+INNODB_BUFFER_POOL_CONTENT
 INDEX_STATISTICS
 KEY_COLUMN_USAGE
 PROCESSLIST
diff -r fe944d2c6e1f mysql-test/r/mysqlshow.result
--- a/mysql-test/r/mysqlshow.result	Mon Nov 10 19:47:27 2008 -0800
+++ b/mysql-test/r/mysqlshow.result	Mon Nov 10 19:48:25 2008 -0800
@@ -85,6 +85,7 @@
 | COLLATION_CHARACTER_SET_APPLICABILITY |
 | COLUMNS                               |
 | COLUMN_PRIVILEGES                     |
+| INNODB_BUFFER_POOL_CONTENT            |
 | INDEX_STATISTICS                      |
 | KEY_COLUMN_USAGE                      |
 | PROCESSLIST                           |
@@ -112,6 +113,7 @@
 | COLLATION_CHARACTER_SET_APPLICABILITY |
 | COLUMNS                               |
 | COLUMN_PRIVILEGES                     |
+| INNODB_BUFFER_POOL_CONTENT            |
 | INDEX_STATISTICS                      |
 | KEY_COLUMN_USAGE                      |
 | PROCESSLIST                           |
diff -r fe944d2c6e1f patch_info/innodb_show_bp.info
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patch_info/innodb_show_bp.info	Mon Nov 10 19:48:25 2008 -0800
@@ -0,0 +1,6 @@
+File=innodb_show_bp.patch
+Name=show innodb buffer pool content
+Version=1.0
+Author=Percona <info@percona.com>
+License=GPL
+Comment=
diff -r fe944d2c6e1f sql/ha_innodb.cc
--- a/sql/ha_innodb.cc	Mon Nov 10 19:47:27 2008 -0800
+++ b/sql/ha_innodb.cc	Mon Nov 10 19:48:25 2008 -0800
@@ -128,10 +128,12 @@
 #include "../innobase/include/lock0lock.h"
 #include "../innobase/include/dict0crea.h"
 #include "../innobase/include/btr0cur.h"
+#include "../innobase/include/buf0buf.h"
 #include "../innobase/include/btr0btr.h"
 #include "../innobase/include/fsp0fsp.h"
 #include "../innobase/include/sync0sync.h"
 #include "../innobase/include/fil0fil.h"
+#include "../innobase/include/page0page.h"
 #include "../innobase/include/trx0xa.h"
 }
 
@@ -6483,6 +6485,116 @@
   	DBUG_RETURN(FALSE);
 }
 
+bool
+innodb_I_S_buffer_pool_content(THD* thd, TABLE_LIST *tables)
+{
+	ulint		size;
+	ulint		i;
+	dulint		id;
+	ulint		n_found;
+	buf_frame_t* 	frame;
+	dict_index_t*	index;
+	buf_block_t*    block;
+
+	const char *p;
+	char db_name_raw[NAME_LEN*5+1];
+	char table_name_raw[NAME_LEN*5+1];
+
+        DBUG_ENTER("innodb_I_S_buffer_pool_content");
+
+
+	size = buf_pool->curr_size;
+
+	n_found = 0;
+
+	TABLE *table= tables->table;
+
+
+	//buf_pool_dump();
+
+
+	for (i = 0; i < size; i++) {
+		block = buf_pool_get_nth_block_no_inline(buf_pool, i);
+		frame = block->frame;
+		if (fil_page_get_type(frame)==0) continue;
+
+		char page_type[64];
+
+		switch(fil_page_get_type(frame))
+		{
+			case FIL_PAGE_INDEX:
+				strcpy(page_type, "index");
+				break;
+			case FIL_PAGE_UNDO_LOG:
+				strcpy(page_type, "undo_log");
+				break;
+			case FIL_PAGE_INODE:
+				strcpy(page_type, "inode");
+				break;
+			case FIL_PAGE_IBUF_FREE_LIST:
+				strcpy(page_type, "ibuf_free_list");
+				break;
+			default:
+				sprintf(page_type, "unknown", fil_page_get_type(frame));
+		}
+
+		table->field[0]->store((longlong)i, TRUE);
+		table->field[1]->store((longlong)block->space, TRUE);
+		table->field[2]->store((longlong)block->offset, TRUE);
+		table->field[3]->store((longlong)page_get_n_recs_noninline(block->frame), TRUE);
+		table->field[4]->store( ( fil_page_get_type(frame) == FIL_PAGE_INDEX ) ?  (longlong)page_get_data_size_noninline(block->frame):0, TRUE);
+		table->field[5]->store((longlong)block->flush_type, TRUE);
+		table->field[6]->store((longlong)block->buf_fix_count, TRUE);
+		table->field[7]->store((longlong)block->LRU_position, TRUE);
+		table->field[8]->store((longlong)fil_page_get_type(frame), TRUE);
+
+		table->field[9]->store(page_type, strlen(page_type), system_charset_info);
+
+		//fprintf(stderr, "block N %d, space %d, offset %d, records %d, datasize %d, page_type %s, flush_type %d, buf_fix_count %d, LRU_position %d", i, block->space, block->offset, page_get_n_recs_noninline(block->frame), page_get_data_size_noninline(block->frame), page_type,block->flush_type, block->buf_fix_count, block->LRU_position);
+
+		// flush_type, buf_fix_count, LRU_position
+
+		if (fil_page_get_type(frame) == FIL_PAGE_INDEX) {
+
+			id = btr_page_get_index_id_noninline(frame);
+			index = dict_index_get_if_in_cache(id);
+			if (index) {
+				table->field[10]->store(index->name, strlen(index->name), system_charset_info);
+				// fprintf(stderr, " index %s, table %s", index->name, index->table_name);
+
+				if((p = strchr((char *) index->table_name, '/')))
+				{
+					strncpy(db_name_raw, index->table_name, p-index->table_name);
+					db_name_raw[p-index->table_name] = 0;
+					table->field[11]->store(db_name_raw, strlen(db_name_raw), system_charset_info);
+					p++;            
+				} else {
+					table->field[11]->store(NULL, 0, system_charset_info);
+					p = index->table_name;
+				}
+				strcpy(table_name_raw, p);
+
+				table->field[12]->store(table_name_raw, strlen(table_name_raw), system_charset_info);
+			} else {
+				table->field[10]->store(NULL, 0, system_charset_info);
+				table->field[11]->store(NULL, 0, system_charset_info);
+				table->field[12]->store(NULL, 0, system_charset_info);
+			}
+		}else{
+			table->field[10]->store(NULL, 0, system_charset_info);
+			table->field[11]->store(NULL, 0, system_charset_info);
+			table->field[12]->store(NULL, 0, system_charset_info);
+		}
+		//fprintf(stderr, "\n");
+		if (schema_table_store_record(thd, table))
+		{
+			DBUG_RETURN(1);
+		}
+	}
+
+	DBUG_RETURN(0);
+}
+
 /****************************************************************************
 Implements the SHOW MUTEX STATUS command. . */
 
diff -r fe944d2c6e1f sql/ha_innodb.h
--- a/sql/ha_innodb.h	Mon Nov 10 19:47:27 2008 -0800
+++ b/sql/ha_innodb.h	Mon Nov 10 19:48:25 2008 -0800
@@ -263,6 +263,7 @@
 
 int innobase_drop_database(char *path);
 bool innodb_show_status(THD* thd);
+bool innodb_I_S_buffer_pool_content(THD* thd, TABLE_LIST *tables);
 bool innodb_mutex_show_status(THD* thd);
 void innodb_export_status(void);
 
diff -r fe944d2c6e1f sql/sql_parse.cc
--- a/sql/sql_parse.cc	Mon Nov 10 19:47:27 2008 -0800
+++ b/sql/sql_parse.cc	Mon Nov 10 19:48:25 2008 -0800
@@ -2926,6 +2926,7 @@
   case SCH_COLUMN_PRIVILEGES:
   case SCH_TABLE_CONSTRAINTS:
   case SCH_KEY_COLUMN_USAGE:
+  case SCH_INNODB_I_S_BUFFER_POOL_CONTENT:
   default:
     break;
   }
diff -r fe944d2c6e1f sql/sql_show.cc
--- a/sql/sql_show.cc	Mon Nov 10 19:47:27 2008 -0800
+++ b/sql/sql_show.cc	Mon Nov 10 19:48:25 2008 -0800
@@ -27,6 +27,10 @@
 
 #ifdef HAVE_BERKELEY_DB
 #include "ha_berkeley.h"			// For berkeley_show_logs
+#endif
+
+#ifdef HAVE_INNOBASE_DB
+#include "ha_innodb.h"
 #endif
 
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
@@ -4042,6 +4046,19 @@
   DBUG_RETURN(res);
 }
 
+int fill_innodb_bp_content(THD *thd, TABLE_LIST *tables, COND *cond)
+{
+  DBUG_ENTER("fill_innodb_bp_content");
+  int res= 0;
+
+  /* deny access to non-superusers */
+  if (check_global_access(thd, PROCESS_ACL)) {
+    DBUG_RETURN(0);
+  }
+
+  innodb_I_S_buffer_pool_content(thd, tables);
+  DBUG_RETURN(res);
+}
 
 /*
   Find schema_tables elment by name
@@ -4951,6 +4962,24 @@
 };
 
 
+ST_FIELD_INFO innodb_bp_content_fields_info[]=
+{
+  {"BLOCK_NUM", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "Block_num"},
+  {"SPACE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "Space"},
+  {"OFFSET", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "Offset"},
+  {"RECORDS", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "Records"},
+  {"DATASIZE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "Datasize"},
+  {"FLUSH_TYPE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "Flush_type"},
+  {"FIX_COUNT", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "Fix_count"},
+  {"LRU_POSITION", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "LRU_position"},
+  {"PAGE_TYPE_ID", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_LONG, 0, 0, "Page_type_id"},
+  {"PAGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Page_type"},
+  {"INDEX_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Index_name"},
+  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table_schem"},
+  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table_name"},
+  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
+};
+
 /*
   Description of ST_FIELD_INFO in table.h
 */
@@ -4969,6 +4998,8 @@
    get_all_tables, make_columns_old_format, get_schema_column_record, 1, 2, 0},
   {"COLUMN_PRIVILEGES", column_privileges_fields_info, create_schema_table,
     fill_schema_column_privileges, 0, 0, -1, -1, 0},
+  {"INNODB_BUFFER_POOL_CONTENT", innodb_bp_content_fields_info, create_schema_table,
+    fill_innodb_bp_content, 0, 0, -1, -1, 0},
   {"INDEX_STATISTICS", index_stats_fields_info, create_schema_table,
    fill_schema_index_stats, make_old_format, 0, -1, -1, 0},
   {"KEY_COLUMN_USAGE", key_column_usage_fields_info, create_schema_table,
diff -r fe944d2c6e1f sql/table.h
--- a/sql/table.h	Mon Nov 10 19:47:27 2008 -0800
+++ b/sql/table.h	Mon Nov 10 19:48:25 2008 -0800
@@ -375,6 +375,7 @@
   SCH_COLLATION_CHARACTER_SET_APPLICABILITY,
   SCH_COLUMNS,
   SCH_COLUMN_PRIVILEGES,
+  SCH_INNODB_I_S_BUFFER_POOL_CONTENT,
   SCH_INDEX_STATS,
   SCH_KEY_COLUMN_USAGE,
   SCH_OPEN_TABLES,