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# 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.
--disable_cursor_protocol
--enable_prepare_warnings
select ID from INFORMATION_SCHEMA.PROCESSLIST
where COMMAND = "Binlog Dump"
into @master_dump_pid;
--disable_prepare_warnings
--enable_cursor_protocol
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.
--disable_cursor_protocol
--enable_prepare_warnings
select ID from INFORMATION_SCHEMA.PROCESSLIST
where STATE like "Waiting for master to send event%"
into @slave_io_pid;
--disable_prepare_warnings
--enable_cursor_protocol
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.
--disable_cursor_protocol
--enable_prepare_warnings
select ID from INFORMATION_SCHEMA.PROCESSLIST
where STATE like "Slave has read all relay log%"
into @slave_sql_pid;
--disable_prepare_warnings
--enable_cursor_protocol
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;
--echo #
--echo # MDEV-33031 Assertion failure upon reading from performance schema with binlog enabled
--echo #
select variable_name, variable_value from performance_schema.status_by_thread
where variable_name like '%impossible%'; # should not crash
--source include/rpl_end.inc
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