• last_statement 

The last statement executed by the thread, if there is no currently executing statement or wait. 

• last_statement_latency 

How long the last statement executed. 

• current_memory 

The number of bytes allocated by the thread. 

• last_wait 

The name of the most recent wait event for the thread. 

• last_wait_latency 

The wait time of the most recent wait event for the thread. 

• source 

The source file and line number containing the instrumented code that produced the event. 

## 28.4.3.23 The ps_check_lost_instrumentation View 

• trx_latency 

The wait time of the current transaction for the thread. 

• trx_state 

The state for the current transaction for the thread. 

• trx_autocommit 

Whether autocommit mode was enabled when the current transaction started. 

• pid 

The client process ID. 

• program_name 

The client program name. 

This view returns information about lost Performance Schema instruments, to indicate whether the Performance Schema is unable to monitor all runtime data. 

The ps_check_lost_instrumentation  view has these columns: 

• variable_name 

The Performance Schema status variable name indicating which type of instrument was lost. 

## 28.4.3.24 The schema_auto_increment_columns View 

• variable_value 

The number of instruments lost. 

