Local merge

mysql-test/suite/perfschema/r/myisam_file_io.result

@@ -16,6 +16,7 @@ operation, number_of_bytes,
 substring(object_name, locate("no_index_tab", object_name)) as short_name
 from performance_schema.events_waits_history_long
 where operation not like "tell"
+  and event_name like "wait/io/file/myisam/%"
   order by thread_id, event_id;
 event_name	short_source	operation	number_of_bytes	short_name
 wait/io/file/myisam/kfile	mi_create.c:	create	NULL	no_index_tab.MYI

mysql-test/suite/perfschema/r/thread_cache.result

+flush status;
 SET @saved_thread_cache_size = @@global.thread_cache_size;
 set global thread_cache_size = 0;
 show variables like "thread_cache_size";
@@ -32,3 +33,7 @@ select @thread_id_increment;
 @thread_id_increment
 1
 set global thread_cache_size = @saved_thread_cache_size;
+show status like "performance_schema_thread%";
+Variable_name	Value
+Performance_schema_thread_classes_lost	0
+Performance_schema_thread_instances_lost	0

mysql-test/suite/perfschema/t/myisam_file_io.test

@@ -46,6 +46,13 @@ insert into no_index_tab set a = 'foo', b = 1;
 # Verification
 # Note that mi_create.c contains mysql_file_tell() calls in debug only,
 # so the result are filtered to remove 'tell'.
+# Note that even after setting other instruments to enabled='NO'
+# and truncating the events_waits_history_long table,
+# some events -- that were already started but not completed --
+# for other instruments could still be added in the history.
+# To protect against that, an extra where clause
+# "and event_name like "wait/io/file/myisam/%"
+# is added to the select to filter out the result.
 
 select event_name,
   left(source, locate(":", source)) as short_source,
@@ -53,6 +60,7 @@ select event_name,
   substring(object_name, locate("no_index_tab", object_name)) as short_name
   from performance_schema.events_waits_history_long
   where operation not like "tell"
+  and event_name like "wait/io/file/myisam/%"
   order by thread_id, event_id;
 
 # In case of failures, this will tell if file io are lost.

mysql-test/suite/perfschema/t/thread_cache.test

@@ -20,6 +20,8 @@
 
 # Setup
 
+flush status;
+
 SET @saved_thread_cache_size = @@global.thread_cache_size;
 
 set global thread_cache_size = 0;
@@ -40,7 +42,7 @@ let $con2_ID=`select connection_id()`;
 let $con2_THREAD_ID=`select thread_id from performance_schema.threads
   where PROCESSLIST_ID = connection_id()`;
 
-connection default;
+--connection default
 
 --disable_query_log
 eval select ($con2_ID - $con1_ID) into @id_increment;
@@ -52,7 +54,15 @@ select @id_increment;
 # Expect 1, THREAD_ID is incremented for each new connection
 select @thread_id_increment;
 
-disconnect con2;
+--disconnect con2
+
+--connection default
+
+# Wait for the disconnect con2 to complete
+let $wait_condition=
+  select count(*) = 2 from performance_schema.threads
+  where name like "thread/sql/one_connection";
+--source include/wait_condition.inc
 
 connect (con3, localhost, root, , );
 
@@ -61,10 +71,16 @@ let $con3_ID=`select connection_id()`;
 let $con3_THREAD_ID=`select thread_id from performance_schema.threads
   where PROCESSLIST_ID = connection_id()`;
 
-disconnect con3;
-disconnect con1;
+--disconnect con3
+--disconnect con1
+
+--connection default
 
-connection default;
+# Wait for the disconnect con1 and con3 to complete
+let $wait_condition=
+  select count(*) = 1 from performance_schema.threads
+  where name like "thread/sql/one_connection";
+--source include/wait_condition.inc
 
 --disable_query_log
 eval select ($con3_ID - $con2_ID) into @id_increment;
@@ -92,7 +108,7 @@ let $con2_ID=`select connection_id()`;
 let $con2_THREAD_ID=`select thread_id from performance_schema.threads
   where PROCESSLIST_ID = connection_id()`;
 
-connection default;
+--connection default
 
 --disable_query_log
 eval select ($con2_ID - $con1_ID) into @id_increment;
@@ -102,7 +118,15 @@ eval select ($con2_THREAD_ID - $con1_THREAD_ID) into @thread_id_increment;
 select @id_increment;
 select @thread_id_increment;
 
-disconnect con2;
+--disconnect con2
+
+--connection default
+
+# Wait for the disconnect con2 to complete
+let $wait_condition=
+  select count(*) = 2 from performance_schema.threads
+  where name like "thread/sql/one_connection";
+--source include/wait_condition.inc
 
 connect (con3, localhost, root, , );
 
@@ -111,10 +135,16 @@ let $con3_ID=`select connection_id()`;
 let $con3_THREAD_ID=`select thread_id from performance_schema.threads
   where PROCESSLIST_ID = connection_id()`;
 
-disconnect con3;
-disconnect con1;
+--disconnect con3
+--disconnect con1
 
-connection default;
+--connection default
+
+# Wait for the disconnect con1 and con3 to complete
+let $wait_condition=
+  select count(*) = 1 from performance_schema.threads
+  where name like "thread/sql/one_connection";
+--source include/wait_condition.inc
 
 --disable_query_log
 eval select ($con3_ID - $con2_ID) into @id_increment;
@@ -132,3 +162,5 @@ select @thread_id_increment;
 
 set global thread_cache_size = @saved_thread_cache_size;
 
+show status like "performance_schema_thread%";
+