Merge XtraDB from Percona-server-5.5.17-rel22.1 into MariaDB 5.5

mysql-test/suite/percona/percona_server_variables_debug.result

@@ -41,6 +41,7 @@ DIV_PRECISION_INCREMENT
 ENGINE_CONDITION_PUSHDOWN
 ERROR_COUNT
 EVENT_SCHEDULER
+EXPAND_FAST_INDEX_CREATION
 EXPIRE_LOGS_DAYS
 EXTERNAL_USER
 FAST_INDEX_CREATION
@@ -83,6 +84,7 @@ INNODB_ADAPTIVE_HASH_INDEX_PARTITIONS
 INNODB_ADDITIONAL_MEM_POOL_SIZE
 INNODB_AUTOEXTEND_INCREMENT
 INNODB_AUTOINC_LOCK_MODE
+INNODB_BLOCKING_BUFFER_POOL_RESTORE
 INNODB_BUFFER_POOL_INSTANCES
 INNODB_BUFFER_POOL_RESTORE_AT_STARTUP
 INNODB_BUFFER_POOL_SHM_CHECKSUM
@@ -100,6 +102,7 @@ INNODB_DATA_HOME_DIR
 INNODB_DICT_SIZE_LIMIT
 INNODB_DOUBLEWRITE
 INNODB_DOUBLEWRITE_FILE
+INNODB_FAKE_CHANGES
 INNODB_FAST_CHECKSUM
 INNODB_FAST_SHUTDOWN
 INNODB_FILE_FORMAT
@@ -109,12 +112,15 @@ INNODB_FILE_PER_TABLE
 INNODB_FLUSH_LOG_AT_TRX_COMMIT
 INNODB_FLUSH_METHOD
 INNODB_FLUSH_NEIGHBOR_PAGES
+INNODB_FORCE_LOAD_CORRUPTED
 INNODB_FORCE_RECOVERY
 INNODB_IBUF_ACCEL_RATE
 INNODB_IBUF_ACTIVE_CONTRACT
 INNODB_IBUF_MAX_SIZE
 INNODB_IMPORT_TABLE_FROM_XTRABACKUP
 INNODB_IO_CAPACITY
+INNODB_KILL_IDLE_TRANSACTION
+INNODB_LARGE_PREFIX
 INNODB_LAZY_DROP_TABLE
 INNODB_LOCKS_UNSAFE_FOR_BINLOG
 INNODB_LOCK_WAIT_TIMEOUT
@@ -132,6 +138,7 @@ INNODB_OPEN_FILES
 INNODB_PAGE_SIZE
 INNODB_PURGE_BATCH_SIZE
 INNODB_PURGE_THREADS
+INNODB_RANDOM_READ_AHEAD
 INNODB_READ_AHEAD
 INNODB_READ_AHEAD_THRESHOLD
 INNODB_READ_IO_THREADS
@@ -187,6 +194,7 @@ LOG_ERROR
 LOG_OUTPUT
 LOG_QUERIES_NOT_USING_INDEXES
 LOG_SLAVE_UPDATES
+LOG_SLOW_ADMIN_STATEMENTS
 LOG_SLOW_FILTER
 LOG_SLOW_QUERIES
 LOG_SLOW_RATE_LIMIT
@@ -275,6 +283,7 @@ QUERY_CACHE_SIZE
 QUERY_CACHE_STRIP_COMMENTS
 QUERY_CACHE_TYPE
 QUERY_CACHE_WLOCK_INVALIDATE
+QUERY_EXEC_TIME
 QUERY_PREALLOC_SIZE
 QUERY_RESPONSE_TIME_RANGE_BASE
 QUERY_RESPONSE_TIME_STATS