perfschema.show_aggregate fails in buildbot with variety of wrong results

perfschema.show_aggregate 'innodb,pot'   w58 [ fail ]

        Test ended at 2020-06-19 16:09:14

CURRENT_TEST: perfschema.show_aggregate

--- /opt/buildbot-slave/bld-p9-rhel7/build/mysql-test/suite/perfschema/r/show_aggregate.result	2020-06-18 01:58:32.718011905 +0300

+++ /opt/buildbot-slave/bld-p9-rhel7/build/mysql-test/suite/perfschema/r/show_aggregate.reject	2020-06-19 16:09:14.630545946 +0300

@@ -203,12 +203,6 @@

 USE performance_schema;

 SELECT * FROM status_by_thread WHERE thread_id IN (@con1_id, @con2_id, @con3_id) AND variable_name IN ('handler_delete', 'handler_rollback') ORDER BY thread_id;

 THREAD_ID	VARIABLE_NAME	VARIABLE_VALUE

-thread_id	Handler_delete	1

-thread_id	Handler_rollback	1

-thread_id	Handler_delete	2

-thread_id	Handler_rollback	2

-thread_id	Handler_delete	3

-thread_id	Handler_rollback	3

 #

 # Verify expected counts for 'handler_delete' per thread

 # 

mysqltest: Result length mismatch

perfschema.show_aggregate '1tpc,innodb'  w2 [ fail ]

        Test ended at 2020-06-19 12:34:54

CURRENT_TEST: perfschema.show_aggregate

--- /usr/share/mysql-test/suite/perfschema/r/show_aggregate.result	2020-06-19 09:07:03.000000000 +0000

+++ /dev/shm/var/2/log/show_aggregate.reject	2020-06-19 12:34:54.397024241 +0000

@@ -505,17 +505,17 @@

 SELECT * FROM status_by_account WHERE user IN ('user1', 'user2', 'user3') AND variable_name IN ('handler_delete');

 USER	HOST	VARIABLE_NAME	VARIABLE_VALUE

 user1	localhost	Handler_delete	0

-user2	localhost	Handler_delete	0

+user2	localhost	Handler_delete	2

 user3	localhost	Handler_delete	0

 #

 SELECT * FROM status_by_host WHERE host IN ('localhost') AND variable_name IN ('handler_delete');

 HOST	VARIABLE_NAME	VARIABLE_VALUE

-localhost	Handler_delete	0

+localhost	Handler_delete	2

 #

 SELECT * FROM status_by_user WHERE user IN ('user1', 'user2', 'user3') AND variable_name IN ('handler_delete');

 USER	VARIABLE_NAME	VARIABLE_VALUE

 user1	Handler_delete	0

-user2	Handler_delete	0

+user2	Handler_delete	2

 user3	Handler_delete	0

 # ================================================================================

 # CLEANUP

mysqltest: Result content mismatch

perfschema.show_aggregate 'innodb,pot'   w2 [ fail ]

        Test ended at 2020-06-16 23:14:13

CURRENT_TEST: perfschema.show_aggregate

--- /mnt/buildbot/build/mariadb-10.5.4/mysql-test/suite/perfschema/r/show_aggregate.result	2020-06-16 22:04:48.000000000 -0400

+++ /mnt/buildbot/build/mariadb-10.5.4/mysql-test/suite/perfschema/r/show_aggregate.reject	2020-06-16 23:14:13.568358785 -0400

@@ -494,7 +494,7 @@

 FROM test.status_results

 ORDER BY variable_name;

 variable_name	h1	h2	h3	delta	host	Expected

-Handler_delete	6	0	0	6	6	OK

+Handler_delete	4	0	0	6	4	ERROR

 Handler_rollback	6	0	0	6	6	OK

 # ================================================================================

 # TEST 8: FLUSH STATUS should clear account, host and user status

mysqltest: Result length mismatch