1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
# 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 global variables like "thread_handling";
# Code to test
connection con1;
create table test.t1(a int) engine=MYISAM;
connection con2;
create table test.t2(a int) engine=MYISAM;
connection con3;
create table test.t3(a int) engine=MYISAM;
# Verification
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
|
