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+# Copyright (C) 2009 Sun Microsystems, Inc
+#
+# 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
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# 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
+
+# Tests for PERFORMANCE_SCHEMA
+
+--source include/not_embedded.inc
+--source include/have_perfschema.inc
+
+# Setup
+
+--source ../include/setup_helper.inc
+
+# We use a myisam table here because CREATE TABLE has a known,
+# stable behavior (it will lock THR_LOCK_myisam once).
+# The point is not to test myisam, but to test that each
+# connection is properly instrumented, with one-thread-per-connection
+
+update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
+ where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";
+
+--disable_warnings
+drop table if exists test.t1;
+drop table if exists test.t2;
+drop table if exists test.t3;
+--enable_warnings
+
+truncate table performance_schema.EVENTS_WAITS_HISTORY_LONG;
+
+show variables like "thread_handling";
+
+# Code to test
+
+connection con1;
+
+-- echo "----------------- Connection 1"
+create table test.t1(a int) engine=MYISAM;
+
+connection con2;
+
+-- echo "----------------- Connection 2"
+create table test.t2(a int) engine=MYISAM;
+
+connection con3;
+
+-- echo "----------------- Connection 3"
+create table test.t3(a int) engine=MYISAM;
+
+# Verification
+
+connection default;
+
+-- echo "----------------- Connection default"
+
+--disable_query_log
+eval set @tid= $con1_THREAD_ID;
+--enable_query_log
+
+execute stmt_dump_events using @tid;
+execute stmt_dump_thread using @tid;
+
+--disable_query_log
+eval set @tid= $con2_THREAD_ID;
+--enable_query_log
+
+execute stmt_dump_events using @tid;
+execute stmt_dump_thread using @tid;
+
+--disable_query_log
+eval set @tid= $con3_THREAD_ID;
+--enable_query_log
+
+execute stmt_dump_events using @tid;
+execute stmt_dump_thread using @tid;
+
+# Cleanup
+
+drop table test.t1;
+drop table test.t2;
+drop table test.t3;
+
+--source ../include/cleanup_helper.inc
+