Fix for

Bug 12430414 - THE TEST PERFSCHEMA.SELECTS.TEST CAN AFFECT SUCCEEDING TESTS
Bug 12430599 - THE TEST PERFSCHEMA.ONE_THREAD_PER_CON. CAN AFFECT SUCCEEDING TESTS
Bug 12431153 - THE TEST PERFSCHEMA.PFS_UPGRADE CAN AFFECT SUCCEEDING TEST

mysql-test/suite/perfschema/include/cleanup_helper.inc

-# Copyright (C) 2009 Sun Microsystems, Inc
+# Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; version 2 of the License.
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 2 of
+# the License.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -11,15 +12,22 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301  USA
 
 # Tests for PERFORMANCE_SCHEMA
 
 update performance_schema.setup_instruments set enabled='YES';
 
+connection con1;
 disconnect con1;
+--source include/wait_until_disconnected.inc
+connection con2;
 disconnect con2;
+--source include/wait_until_disconnected.inc
+connection con3;
 disconnect con3;
+--source include/wait_until_disconnected.inc
 
 connection default;
 

mysql-test/suite/perfschema/include/upgrade_check.inc

@@ -17,8 +17,10 @@
 # $out_file and $err_file must be set within pfs_upgrade.test.
 #
 
+--source include/count_sessions.inc
 --error 1
 --exec $MYSQL_UPGRADE --skip-verbose --force > $out_file 2> $err_file
+--source include/wait_until_count_sessions.inc
 
 # Verify that mysql_upgrade complained about the performance_schema
 --cat_file $err_file

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

@@ -62,6 +62,7 @@ SELECT EVENT_ID FROM performance_schema.events_waits_current
 WHERE 1 = 2;
 CREATE EVENT t_ps_event
 ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 SECOND
+ON COMPLETION PRESERVE
 DO INSERT INTO t_event
 SELECT DISTINCT EVENT_ID
 FROM performance_schema.events_waits_current
@@ -106,5 +107,6 @@ EVENT_ID
 [EVENT_ID]
 DROP PROCEDURE t_ps_proc;
 DROP FUNCTION t_ps_func;
+DROP EVENT t_ps_event;
 DROP TABLE t1;
 DROP TABLE t_event;

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

-# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -97,6 +97,7 @@ SELECT EVENT_ID FROM performance_schema.events_waits_current
 WHERE 1 = 2;
 CREATE EVENT t_ps_event
 ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 SECOND
+ON COMPLETION PRESERVE
 DO INSERT INTO t_event
    SELECT DISTINCT EVENT_ID
    FROM performance_schema.events_waits_current
@@ -168,7 +169,7 @@ delimiter ;|
 SELECT t_ps_func(connection_id()) = @p_id;
 
 # We might reach this point too early which means the event scheduler has not
-# execute our "t_ps_event". Therefore we poll till the record was inserted
+# executed our "t_ps_event". Therefore we poll till the record was inserted
 # and run our test statement afterwards.
 let $wait_timeout= 20;
 let $wait_condition= SELECT COUNT(*) = 1 FROM t_event;
@@ -179,5 +180,6 @@ SELECT * FROM t_event;
 # Clean up
 DROP PROCEDURE t_ps_proc;
 DROP FUNCTION t_ps_func;
+DROP EVENT t_ps_event;
 DROP TABLE t1;
 DROP TABLE t_event;