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Current File : /www/server/mysql/src/mysql-test/suite/perfschema/t/rpl_threads.test
# Tests for PERFORMANCE_SCHEMA

--source include/have_log_bin.inc
--source include/not_embedded.inc
--source include/have_perfschema.inc
--source include/master-slave.inc

--disable_warnings
drop table if exists test.t1;
--sync_slave_with_master
reset master;
--enable_warnings

create table test.t1(a int);
drop table test.t1;

--source include/show_binlog_events.inc

# Notes
#
# The point of this test is to make sure code is properly instrumented,
# for replication threads.
# Each time an ID is assigned to a replication thread,
# visible in the INFORMATION_SCHEMA.PROCESSLIST table,
# the same PROCESSLIST_ID should be visible in table performance_schema.threads

connection master;
-- echo "============ Performance schema on master ============"

# Read the ID of the binlog dump connection,
# as exposed in PROCESSLIST.
select ID from INFORMATION_SCHEMA.PROCESSLIST
  where COMMAND = "Binlog Dump"
  into @master_dump_pid;

select COMMAND, STATE
  from INFORMATION_SCHEMA.PROCESSLIST
  where ID = @master_dump_pid;

# Make sure the performance schema also knows this PROCESSLIST_ID
select NAME, TYPE, PROCESSLIST_COMMAND, PROCESSLIST_STATE
  from performance_schema.threads
  where PROCESSLIST_ID = @master_dump_pid;

sync_slave_with_master;
-- echo "============ Performance schema on slave ============"

# Read the ID of the SLAVE IO thread,
# as exposed in PROCESSLIST.
select ID from INFORMATION_SCHEMA.PROCESSLIST
  where STATE like "Waiting for master to send event%"
  into @slave_io_pid;

select COMMAND, STATE
  from INFORMATION_SCHEMA.PROCESSLIST
  where ID = @slave_io_pid;

# Make sure the performance schema also knows this PROCESSLIST_ID
select NAME, TYPE, PROCESSLIST_COMMAND, PROCESSLIST_STATE
  from performance_schema.threads
  where PROCESSLIST_ID = @slave_io_pid;

# Read the ID of the SLAVE SQL thread,
# as exposed in PROCESSLIST.
select ID from INFORMATION_SCHEMA.PROCESSLIST
  where STATE like "Slave has read all relay log%"
  into @slave_sql_pid;

select COMMAND, STATE
  from INFORMATION_SCHEMA.PROCESSLIST
  where ID = @slave_sql_pid;

# Make sure the performance schema also knows this PROCESSLIST_ID
select NAME, TYPE, PROCESSLIST_COMMAND, PROCESSLIST_STATE
  from performance_schema.threads
  where PROCESSLIST_ID = @slave_sql_pid;

--source include/rpl_end.inc

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