Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 134 insertions, 0 deletions

diff --git a/mysql-test/suite/perfschema/t/func_mutex.test b/mysql-test/suite/perfschema/t/func_mutex.test
new file mode 100644
index 00000000..19648521
--- /dev/null
+++ b/mysql-test/suite/perfschema/t/func_mutex.test
@@ -0,0 +1,134 @@
+##
+## WL#4818, 4.1.3 MUTEXES, RW-LOCKS, ...
+##
+## Functional testing of mutexes and RW-locks
+##
+
+--source include/not_embedded.inc
+--source include/have_perfschema.inc
+
+UPDATE performance_schema.setup_instruments SET enabled = 'NO', timed = 'YES';
+
+UPDATE performance_schema.setup_instruments SET enabled = 'YES'
+WHERE name LIKE 'wait/synch/mutex/%'
+   OR name LIKE 'wait/synch/rwlock/%';
+
+# reset lost counters
+truncate table performance_schema.events_statements_summary_by_digest;
+flush status;
+
+# Make sure objects are instrumented
+select NAME from performance_schema.mutex_instances
+  where NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex' GROUP BY NAME;
+select NAME from performance_schema.rwlock_instances
+  where NAME = 'wait/synch/rwlock/sql/LOCK_grant' limit 1;
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+#
+# TODO: Change to InnoDB when it gets instrumentation
+#
+
+CREATE TABLE t1 (id INT PRIMARY KEY, b CHAR(100) DEFAULT 'initial value')
+ENGINE=MyISAM;
+
+INSERT INTO t1 (id) VALUES (1), (2), (3), (4), (5), (6), (7), (8);
+
+#
+# FM1: Count for mutex should increase with instrumentation enabled and
+# FM2: Count for mutex should not increase with instrumentation disabled
+#
+
+TRUNCATE TABLE performance_schema.events_waits_history_long;
+TRUNCATE TABLE performance_schema.events_waits_history;
+TRUNCATE TABLE performance_schema.events_waits_current;
+
+SELECT * FROM t1 WHERE id = 1;
+
+SET @before_count = (SELECT SUM(TIMER_WAIT)
+                     FROM performance_schema.events_waits_history_long
+                     WHERE (EVENT_NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex'));
+
+SELECT * FROM t1;
+
+SET @after_count = (SELECT SUM(TIMER_WAIT)
+                    FROM performance_schema.events_waits_history_long
+                    WHERE (EVENT_NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex'));
+
+SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_fm1_timed;
+
+UPDATE performance_schema.setup_instruments SET enabled = 'NO'
+WHERE NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex';
+
+TRUNCATE TABLE performance_schema.events_waits_history_long;
+TRUNCATE TABLE performance_schema.events_waits_history;
+TRUNCATE TABLE performance_schema.events_waits_current;
+
+SELECT * FROM t1 WHERE id = 1;
+
+SET @before_count = (SELECT SUM(TIMER_WAIT)
+                     FROM performance_schema.events_waits_history_long
+                     WHERE (EVENT_NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex'));
+
+SELECT * FROM t1;
+
+SET @after_count = (SELECT SUM(TIMER_WAIT)
+                    FROM performance_schema.events_waits_history_long
+                    WHERE (EVENT_NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex'));
+
+SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_fm2_timed;
+
+#
+# Repeat for RW-lock
+#
+
+TRUNCATE TABLE performance_schema.events_waits_history_long;
+TRUNCATE TABLE performance_schema.events_waits_history;
+TRUNCATE TABLE performance_schema.events_waits_current;
+
+show variables like "%not_found%";
+
+SET @before_count = (SELECT SUM(TIMER_WAIT)
+                     FROM performance_schema.events_waits_history_long
+                     WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_system_variables_hash'));
+
+show variables like "%not_found%";
+
+SET @after_count = (SELECT SUM(TIMER_WAIT)
+                    FROM performance_schema.events_waits_history_long
+                    WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_system_variables_hash'));
+
+SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_fm1_rw_timed;
+
+UPDATE performance_schema.setup_instruments SET enabled = 'NO'
+WHERE NAME = 'wait/synch/rwlock/sql/LOCK_system_variables_hash';
+
+TRUNCATE TABLE performance_schema.events_waits_history_long;
+TRUNCATE TABLE performance_schema.events_waits_history;
+TRUNCATE TABLE performance_schema.events_waits_current;
+
+show variables like "%not_found%";
+
+SET @before_count = (SELECT SUM(TIMER_WAIT)
+                     FROM performance_schema.events_waits_history_long
+                     WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_system_variables_hash'));
+
+show variables like "%not_found%";
+
+SET @after_count = (SELECT SUM(TIMER_WAIT)
+                    FROM performance_schema.events_waits_history_long
+                    WHERE (EVENT_NAME = 'LOCK_system_variables_hash'));
+
+SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_fm2_rw_timed;
+
+# Clean-up.
+UPDATE performance_schema.setup_instruments SET enabled = 'YES';
+DROP TABLE t1;
+
+UPDATE performance_schema.setup_instruments SET enabled = 'YES', timed = 'YES';
+
+# In case of failure, will indicate the root cause
+show global status like "performance_schema%";
+