Commit 6b3d5248 authored by Marc Alff's avatar Marc Alff

WL#2360 Performance schema

Part V: performance schema implementation
parent 97b8f8cf
#!/bin/sh
# 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
#
# This script's purpose is to update the automake/autoconf helper scripts and
# to run a plain "configure" without any special compile flags. Only features
......@@ -61,6 +77,7 @@ fi
# Remember that configure restricts the man pages to the configured features !
./configure \
--with-embedded-server \
--with-perfschema \
--with-ndbcluster
$gmake
# Copyright (C) 2000-2006 MySQL AB
# Copyright (C) 2000-2006 MySQL AB, 2008-2009 Sun Microsystems, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
......@@ -75,6 +75,8 @@ EXTRA_DIST = README \
# List of directories containing test + result files and the
# related test data files that should be copied
# If you want to add a new suite, please check DEFAULT_SUITES in
# mysql-test-run.pl.
TEST_DIRS = t r include std_data std_data/parts collections \
std_data/ndb_backup50 std_data/ndb_backup51 \
std_data/ndb_backup51_data_be std_data/ndb_backup51_data_le \
......@@ -100,7 +102,9 @@ TEST_DIRS = t r include std_data std_data/parts collections \
suite/rpl_ndb suite/rpl_ndb/t suite/rpl_ndb/r \
suite/parts suite/parts/t suite/parts/r suite/parts/inc \
suite/innodb suite/innodb/t suite/innodb/r suite/innodb/include \
suite/sys_vars suite/sys_vars/t suite/sys_vars/inc suite/sys_vars/r
suite/sys_vars suite/sys_vars/t suite/sys_vars/inc suite/sys_vars/r \
suite/perfschema suite/perfschema/t suite/perfschema/r \
suite/perfschema/include
# Used by dist-hook and install-data-local to copy all
# test files into either dist or install directory
......
# 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
# Use default setting for mysqld processes
!include default_mysqld.cnf
!include default_client.cnf
......@@ -9,6 +24,8 @@
log-bin= master-bin
# Run tests with the performance schema instrumentation
loose-enable-performance-schema
[mysqlbinlog]
disable-force-if-open
......
# 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
# Default values that applies to all MySQL Servers
[mysqld]
open-files-limit= 1024
......@@ -26,3 +41,6 @@ slave-net-timeout=120
log-bin=mysqld-bin
# Run tests with the performance schema instrumentation
loose-enable-performance-schema
#!/usr/bin/perl
# -*- cperl -*-
# 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
#
##############################################################################
#
......@@ -128,7 +143,9 @@ my $path_config_file; # The generated config file, var/my.cnf
# executables will be used by the test suite.
our $opt_vs_config = $ENV{'MTR_VS_CONFIG'};
my $DEFAULT_SUITES= "main,sys_vars,binlog,federated,rpl,rpl_ndb,ndb,innodb";
# If you add a new suite, please check TEST_DIRS in Makefile.am.
#
my $DEFAULT_SUITES= "main,sys_vars,binlog,federated,rpl,rpl_ndb,ndb,innodb,perfschema";
my $opt_suites;
our $opt_verbose= 0; # Verbose output, enable with --verbose
......
......@@ -3,6 +3,7 @@ Database
information_schema
mtr
mysql
performance_schema
test
show tables in mysql;
Tables_in_mysql
......
......@@ -50,6 +50,7 @@ information_schema
mtr
mysql
mysqltest
performance_schema
test
flush tables with read lock;
drop database mysqltest;
......@@ -61,6 +62,7 @@ Database
information_schema
mtr
mysql
performance_schema
test
drop database mysqltest;
ERROR HY000: Can't drop database 'mysqltest'; database doesn't exist
......
......@@ -11,12 +11,14 @@ select * from information_schema.SCHEMATA where schema_name > 'm';
CATALOG_NAME SCHEMA_NAME DEFAULT_CHARACTER_SET_NAME DEFAULT_COLLATION_NAME SQL_PATH
def mtr latin1 latin1_swedish_ci NULL
def mysql latin1 latin1_swedish_ci NULL
def performance_schema utf8 utf8_general_ci NULL
def test latin1 latin1_swedish_ci NULL
select schema_name from information_schema.schemata;
schema_name
information_schema
mtr
mysql
performance_schema
test
show databases like 't%';
Database (t%)
......@@ -26,6 +28,7 @@ Database
information_schema
mtr
mysql
performance_schema
test
show databases where `database` = 't%';
Database
......@@ -363,6 +366,7 @@ c
information_schema
mtr
mysql
performance_schema
test
explain select * from v0;
id select_type table type possible_keys key key_len ref rows Extra
......
This diff is collapsed.
This diff is collapsed.
......@@ -262,6 +262,7 @@ Database
information_schema
mtr
mysql
performance_schema
test
prepare stmt4 from ' show tables from test like ''t2%'' ';
execute stmt4;
......
......@@ -9,5 +9,6 @@ information_schema
foo
mtr
mysql
performance_schema
test
drop schema foo;
......@@ -142,6 +142,7 @@ Database
information_schema
mtr
mysql
performance_schema
test
show databases like "test%";
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
......
......@@ -116,4 +116,5 @@ Database
information_schema
mtr
mysql
performance_schema
test
......@@ -320,10 +320,10 @@ INSERT INTO t2 SET a = func_modify_t1();
SHOW BINLOG EVENTS FROM 12283;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 12283 Query 1 12351 BEGIN
master-bin.000001 12351 Table_map 1 12393 table_id: 44 (test.t2)
master-bin.000001 12393 Table_map 1 12435 table_id: 45 (test.t1)
master-bin.000001 12435 Write_rows 1 12473 table_id: 45
master-bin.000001 12473 Write_rows 1 12511 table_id: 44 flags: STMT_END_F
master-bin.000001 12351 Table_map 1 12393 table_id: 62 (test.t2)
master-bin.000001 12393 Table_map 1 12435 table_id: 63 (test.t1)
master-bin.000001 12435 Write_rows 1 12473 table_id: 63
master-bin.000001 12473 Write_rows 1 12511 table_id: 62 flags: STMT_END_F
master-bin.000001 12511 Query 1 12580 COMMIT
DROP TABLE t1,t2;
DROP FUNCTION func_modify_t1;
......@@ -347,12 +347,12 @@ INSERT INTO t1 SET a = 2;
SHOW BINLOG EVENTS FROM 13426;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 13426 Query 1 13494 BEGIN
master-bin.000001 13494 Table_map 1 13535 table_id: 47 (test.t1)
master-bin.000001 13535 Table_map 1 13577 table_id: 48 (test.t3)
master-bin.000001 13577 Table_map 1 13619 table_id: 49 (test.t2)
master-bin.000001 13619 Write_rows 1 13657 table_id: 49
master-bin.000001 13657 Write_rows 1 13695 table_id: 48
master-bin.000001 13695 Write_rows 1 13729 table_id: 47 flags: STMT_END_F
master-bin.000001 13494 Table_map 1 13535 table_id: 65 (test.t1)
master-bin.000001 13535 Table_map 1 13577 table_id: 66 (test.t3)
master-bin.000001 13577 Table_map 1 13619 table_id: 67 (test.t2)
master-bin.000001 13619 Write_rows 1 13657 table_id: 67
master-bin.000001 13657 Write_rows 1 13695 table_id: 66
master-bin.000001 13695 Write_rows 1 13729 table_id: 65 flags: STMT_END_F
master-bin.000001 13729 Query 1 13798 COMMIT
DROP TABLE t1,t2,t3;
SET SESSION binlog_format = STATEMENT;
......
......@@ -56,6 +56,7 @@ catalog_name schema_name sql_path
def information_schema NULL
def mtr NULL
def mysql NULL
def performance_schema NULL
def test NULL
###############################################################################
# Testcases 3.2.9.2+3.2.9.3: INFORMATION_SCHEMA.SCHEMATA accessible information
......
......@@ -13,6 +13,7 @@ information_schema
日本語
ニホンゴ
mysql
performance_schema
test
USE `ニホンゴ`;
USE `日本語`;
......
......@@ -14,6 +14,7 @@ information_schema
龔龖龗
ニホンゴ
mysql
performance_schema
test
USE `ニホンゴ`;
USE `日本語`;
......
......@@ -13,6 +13,7 @@ information_schema
龔龖龗
ニホンゴ
mysql
performance_schema
test
USE `ニホンゴ`;
USE `日本語`;
......
......@@ -13,6 +13,7 @@ information_schema
龔龖龗
ニホンゴ
mysql
performance_schema
test
USE `ニホンゴ`;
USE `日本語`;
......
# 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
RESET MASTER;
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
update performance_schema.SETUP_INSTRUMENTS set enabled='NO'
where name like "wait/synch/rwlock/%";
select count(*) > 0 from performance_schema.EVENTS_WAITS_CURRENT;
--disable_warnings
drop table if exists test.t1;
drop table if exists test.t2;
--enable_warnings
create table test.t1 (thread_id integer);
create table test.t2 (name varchar(128));
insert into test.t1
select thread_id from performance_schema.EVENTS_WAITS_CURRENT;
insert into test.t2
select name from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/rwlock/%";
drop table test.t1;
drop table test.t2;
update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
where name like "wait/synch/rwlock/%";
--source include/show_binlog_events.inc
# 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
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
disconnect con1;
disconnect con2;
disconnect con3;
connection default;
# 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
--disable_warnings
drop table if exists test.t1;
--enable_warnings
## The result of show grants is not consistent across platforms ...
## show grants;
## Not enforced yet: deny CREATE_ACL and DROP_ACL
## Waiting to remove .FRM files first
##
## --error ER_DBACCESS_DENIED_ERROR
## create table performance_schema.t1(a int);
##
## --error ER_DBACCESS_DENIED_ERROR
## drop table performance_schema.t1;
##
## --error ER_DBACCESS_DENIED_ERROR
## create table performance_schema.SETUP_INSTRUMENTS(a int);
##
## --error ER_DBACCESS_DENIED_ERROR
## create table performance_schema.EVENTS_WAITS_CURRENT(a int);
##
## --error ER_DBACCESS_DENIED_ERROR
## create table performance_schema.FILE_INSTANCES(a int);
##
## --error ER_DBACCESS_DENIED_ERROR
## drop table performance_schema.SETUP_INSTRUMENTS;
##
## --error ER_DBACCESS_DENIED_ERROR
## drop table performance_schema.EVENTS_WAITS_CURRENT;
##
## --error ER_DBACCESS_DENIED_ERROR
## drop table performance_schema.FILE_INSTANCES;
--error ER_DBACCESS_DENIED_ERROR
rename table performance_schema.SETUP_INSTRUMENTS to test.t1;
--error ER_DBACCESS_DENIED_ERROR
rename table performance_schema.EVENTS_WAITS_CURRENT to test.t1;
--error ER_DBACCESS_DENIED_ERROR
rename table performance_schema.FILE_INSTANCES to test.t1;
--error ER_DBACCESS_DENIED_ERROR
rename table performance_schema.SETUP_INSTRUMENTS to performance_schema.t1;
--error ER_DBACCESS_DENIED_ERROR
rename table performance_schema.EVENTS_WAITS_CURRENT to performance_schema.t1;
--error ER_DBACCESS_DENIED_ERROR
rename table performance_schema.FILE_INSTANCES to performance_schema.t1;
--error ER_DBACCESS_DENIED_ERROR
rename table performance_schema.SETUP_INSTRUMENTS
to performance_schema.EVENTS_WAITS_CURRENT;
--error ER_DBACCESS_DENIED_ERROR
rename table performance_schema.EVENTS_WAITS_CURRENT
to performance_schema.SETUP_INSTRUMENTS;
--error ER_DBACCESS_DENIED_ERROR
create procedure performance_schema.my_proc() begin end;
--error ER_DBACCESS_DENIED_ERROR
create function performance_schema.my_func() returns int return 0;
--error ER_DBACCESS_DENIED_ERROR
create event performance_schema.my_event on schedule every 15 minute
do begin end;
--error ER_DBACCESS_DENIED_ERROR
create trigger performance_schema.bi_setup_instruments
before insert on performance_schema.SETUP_INSTRUMENTS
for each row begin end;
--error ER_DBACCESS_DENIED_ERROR
create trigger performance_schema.bi_events_waits_current
before insert on performance_schema.EVENTS_WAITS_CURRENT
for each row begin end;
--error ER_DBACCESS_DENIED_ERROR
create trigger performance_schema.bi_file_instances
before insert on performance_schema.FILE_INSTANCES
for each row begin end;
--error ER_WRONG_PERFSCHEMA_USAGE
create table test.t1(a int) engine=PERFORMANCE_SCHEMA;
--error ER_WRONG_PERFSCHEMA_USAGE
create table test.t1 like performance_schema.SETUP_INSTRUMENTS;
--error ER_WRONG_PERFSCHEMA_USAGE
create table test.t1 like performance_schema.EVENTS_WAITS_CURRENT;
--error ER_WRONG_PERFSCHEMA_USAGE
create table test.t1 like performance_schema.FILE_INSTANCES;
--replace_result '\'setup_instruments' '\'SETUP_INSTRUMENTS'
--error ER_TABLEACCESS_DENIED_ERROR
insert into performance_schema.SETUP_INSTRUMENTS
set name="foo";
--replace_result '\'events_waits_current' '\'EVENTS_WAITS_CURRENT'
--error ER_TABLEACCESS_DENIED_ERROR
insert into performance_schema.EVENTS_WAITS_CURRENT
set name="foo";
--replace_result '\'file_instances' '\'FILE_INSTANCES'
--error ER_TABLEACCESS_DENIED_ERROR
insert into performance_schema.FILE_INSTANCES
set name="foo";
--replace_result '\'setup_instruments' '\'SETUP_INSTRUMENTS'
--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.SETUP_INSTRUMENTS;
--replace_result '\'events_waits_current' '\'EVENTS_WAITS_CURRENT'
--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.EVENTS_WAITS_CURRENT;
--replace_result '\'file_instances' '\'FILE_INSTANCES'
--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.FILE_INSTANCES;
lock table performance_schema.SETUP_INSTRUMENTS read;
unlock tables;
lock table performance_schema.SETUP_INSTRUMENTS write;
unlock tables;
--replace_result '\'events_waits_current' '\'EVENTS_WAITS_CURRENT'
--error ER_TABLEACCESS_DENIED_ERROR
lock table performance_schema.EVENTS_WAITS_CURRENT read;
unlock tables;
--replace_result '\'events_waits_current' '\'EVENTS_WAITS_CURRENT'
--error ER_TABLEACCESS_DENIED_ERROR
lock table performance_schema.EVENTS_WAITS_CURRENT write;
unlock tables;
--replace_result '\'file_instances' '\'FILE_INSTANCES'
--error ER_TABLEACCESS_DENIED_ERROR
lock table performance_schema.FILE_INSTANCES read;
unlock tables;
--replace_result '\'file_instances' '\'FILE_INSTANCES'
--error ER_TABLEACCESS_DENIED_ERROR
lock table performance_schema.FILE_INSTANCES write;
unlock tables;
--echo #
--echo # WL#4818, NFS2: Can use grants to give normal user access
--echo # to view data from _CURRENT and _HISTORY tables
--echo #
--echo # Should work as pfs_user_1 and pfs_user_2, but not as pfs_user_3.
--echo # (Except for EVENTS_WAITS_CURRENT, which is granted.)
# Errors here will be caught by the diff afterwards
--disable_abort_on_error
--replace_result '\'events_waits_history' '\'EVENTS_WAITS_HISTORY'
SELECT "can select" FROM performance_schema.EVENTS_WAITS_HISTORY LIMIT 1;
--replace_result '\'events_waits_history_long' '\'EVENTS_WAITS_HISTORY_LONG'
SELECT "can select" FROM performance_schema.EVENTS_WAITS_HISTORY_LONG LIMIT 1;
--replace_result '\'events_waits_current' '\'EVENTS_WAITS_CURRENT'
SELECT "can select" FROM performance_schema.EVENTS_WAITS_CURRENT LIMIT 1;
--replace_result '\'events_waits_summary_by_instance' '\'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
SELECT "can select" FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE LIMIT 1;
--replace_result '\'file_summary_by_instance' '\'FILE_SUMMARY_BY_INSTANCE'
SELECT "can select" FROM performance_schema.FILE_SUMMARY_BY_INSTANCE LIMIT 1;
--enable_abort_on_error
# 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
let $MYSQLD_DATADIR= `select @@datadir`;
let $MYSQLD_TMPDIR= `select @@tmpdir`;
--disable_query_log
update performance_schema.SETUP_INSTRUMENTS set enabled='NO';
update performance_schema.SETUP_CONSUMERS set enabled='YES';
--enable_query_log
connect (con1, localhost, root, , );
let $con1_THREAD_ID=`select thread_id from performance_schema.PROCESSLIST
where ID in (select connection_id())`;
connect (con2, localhost, root, , );
let $con2_THREAD_ID=`select thread_id from performance_schema.PROCESSLIST
where ID in (select connection_id())`;
connect (con3, localhost, root, , );
let $con3_THREAD_ID=`select thread_id from performance_schema.PROCESSLIST
where ID in (select connection_id())`;
connection default;
--disable_query_log
prepare stmt_dump_events from
"select event_name,
left(source, locate(\":\", source)) as short_source,
operation, number_of_bytes
from performance_schema.EVENTS_WAITS_HISTORY_LONG
where thread_id=? order by event_id;";
prepare stmt_dump_thread from
"select name from performance_schema.PROCESSLIST where thread_id=? ;";
--enable_query_log
# Copyright (C) 2008-2009 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
show databases;
select count(*) from performance_schema.PERFORMANCE_TIMERS;
select count(*) from performance_schema.SETUP_CONSUMERS;
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
select count(*) from performance_schema.SETUP_TIMERS;
# Make sure we don't crash, no matter what the starting parameters are
--disable_result_log
select * from performance_schema.COND_INSTANCES;
select * from performance_schema.EVENTS_WAITS_CURRENT;
select * from performance_schema.EVENTS_WAITS_HISTORY;
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
select * from performance_schema.FILE_INSTANCES;
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
select * from performance_schema.MUTEX_INSTANCES;
select * from performance_schema.PERFORMANCE_TIMERS;
select * from performance_schema.PROCESSLIST;
select * from performance_schema.RWLOCK_INSTANCES;
select * from performance_schema.SETUP_CONSUMERS;
select * from performance_schema.SETUP_INSTRUMENTS;
select * from performance_schema.SETUP_OBJECTS;
select * from performance_schema.SETUP_TIMERS;
--enable_result_log
# This has a stable output, printing the result:
show variables like "performance_schema%";
# This has an unrepeatable output, it does depends too much on
# - the platform hardware (sizeof structures, padding)
# - the compiler used (sizeof(enum))
# - the platform header files (sizeof(size_t))
# - the code path in the server (what gets executed and instrumented
# at runtime)
--disable_result_log
show engine PERFORMANCE_SCHEMA status;
show status like "performance_schema%";
--enable_result_log
"General cleanup"
drop table if exists t1;
update performance_schema.SETUP_INSTRUMENTS set enabled = 'NO';
update performance_schema.SETUP_CONSUMERS set enabled = 'NO';
truncate table performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
truncate table performance_schema.FILE_SUMMARY_BY_INSTANCE;
truncate table performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
truncate table performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
truncate table performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
update performance_schema.SETUP_CONSUMERS set enabled = 'YES';
update performance_schema.SETUP_INSTRUMENTS
set enabled = 'YES', timed = 'YES';
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);
update performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO';
set @dump_all=FALSE;
"Verifying file aggregate consistency"
SELECT EVENT_NAME, e.COUNT_READ, SUM(i.COUNT_READ)
FROM performance_schema.FILE_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.FILE_SUMMARY_BY_INSTANCE AS i USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.COUNT_READ <> SUM(i.COUNT_READ))
OR @dump_all;
EVENT_NAME COUNT_READ SUM(i.COUNT_READ)
SELECT EVENT_NAME, e.COUNT_WRITE, SUM(i.COUNT_WRITE)
FROM performance_schema.FILE_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.FILE_SUMMARY_BY_INSTANCE AS i USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.COUNT_WRITE <> SUM(i.COUNT_WRITE))
OR @dump_all;
EVENT_NAME COUNT_WRITE SUM(i.COUNT_WRITE)
SELECT EVENT_NAME, e.SUM_NUMBER_OF_BYTES_READ, SUM(i.SUM_NUMBER_OF_BYTES_READ)
FROM performance_schema.FILE_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.FILE_SUMMARY_BY_INSTANCE AS i USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.SUM_NUMBER_OF_BYTES_READ <> SUM(i.SUM_NUMBER_OF_BYTES_READ))
OR @dump_all;
EVENT_NAME SUM_NUMBER_OF_BYTES_READ SUM(i.SUM_NUMBER_OF_BYTES_READ)
SELECT EVENT_NAME, e.SUM_NUMBER_OF_BYTES_WRITE, SUM(i.SUM_NUMBER_OF_BYTES_WRITE)
FROM performance_schema.FILE_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.FILE_SUMMARY_BY_INSTANCE AS i USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.SUM_NUMBER_OF_BYTES_WRITE <> SUM(i.SUM_NUMBER_OF_BYTES_WRITE))
OR @dump_all;
EVENT_NAME SUM_NUMBER_OF_BYTES_WRITE SUM(i.SUM_NUMBER_OF_BYTES_WRITE)
"Verifying waits aggregate consistency (instance)"
SELECT EVENT_NAME, e.SUM_TIMER_WAIT, SUM(i.SUM_TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE AS i USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.SUM_TIMER_WAIT <> SUM(i.SUM_TIMER_WAIT))
OR @dump_all;
EVENT_NAME SUM_TIMER_WAIT SUM(i.SUM_TIMER_WAIT)
SELECT EVENT_NAME, e.MIN_TIMER_WAIT, MIN(i.MIN_TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE AS i USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.MIN_TIMER_WAIT <> MIN(i.MIN_TIMER_WAIT))
AND (MIN(i.MIN_TIMER_WAIT) != 0)
OR @dump_all;
EVENT_NAME MIN_TIMER_WAIT MIN(i.MIN_TIMER_WAIT)
SELECT EVENT_NAME, e.MAX_TIMER_WAIT, MAX(i.MAX_TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE AS i USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.MAX_TIMER_WAIT <> MAX(i.MAX_TIMER_WAIT))
OR @dump_all;
EVENT_NAME MAX_TIMER_WAIT MAX(i.MAX_TIMER_WAIT)
"Verifying waits aggregate consistency (thread)"
SELECT EVENT_NAME, e.SUM_TIMER_WAIT, SUM(t.SUM_TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME AS t
USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.SUM_TIMER_WAIT <> SUM(t.SUM_TIMER_WAIT))
OR @dump_all;
EVENT_NAME SUM_TIMER_WAIT SUM(t.SUM_TIMER_WAIT)
SELECT EVENT_NAME, e.MIN_TIMER_WAIT, MIN(t.MIN_TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME AS t
USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.MIN_TIMER_WAIT <> MIN(t.MIN_TIMER_WAIT))
AND (MIN(t.MIN_TIMER_WAIT) != 0)
OR @dump_all;
EVENT_NAME MIN_TIMER_WAIT MIN(t.MIN_TIMER_WAIT)
SELECT EVENT_NAME, e.MAX_TIMER_WAIT, MAX(t.MAX_TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME AS e
JOIN performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME AS t
USING (EVENT_NAME)
GROUP BY EVENT_NAME
HAVING (e.MAX_TIMER_WAIT <> MAX(t.MAX_TIMER_WAIT))
OR @dump_all;
EVENT_NAME MAX_TIMER_WAIT MAX(t.MAX_TIMER_WAIT)
update performance_schema.SETUP_CONSUMERS set enabled = 'YES';
update performance_schema.SETUP_INSTRUMENTS
set enabled = 'YES', timed = 'YES';
drop table test.t1;
Found: unknown variable 'performance-schema-enabled=maybe'
Found: Aborting
Found: ambiguous option '--performance-schema-max_=12'
set binlog_format=mixed;
RESET MASTER;
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
update performance_schema.SETUP_INSTRUMENTS set enabled='NO'
where name like "wait/synch/rwlock/%";
select count(*) > 0 from performance_schema.EVENTS_WAITS_CURRENT;
count(*) > 0
1
drop table if exists test.t1;
drop table if exists test.t2;
create table test.t1 (thread_id integer);
create table test.t2 (name varchar(128));
insert into test.t1
select thread_id from performance_schema.EVENTS_WAITS_CURRENT;
insert into test.t2
select name from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/rwlock/%";
drop table test.t1;
drop table test.t2;
update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
where name like "wait/synch/rwlock/%";
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (performance_schema.SETUP_INSTRUMENTS)
master-bin.000001 # Update_rows # # table_id: #
master-bin.000001 # Update_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # use `test`; drop table if exists test.t1
master-bin.000001 # Query # # use `test`; drop table if exists test.t2
master-bin.000001 # Query # # use `test`; create table test.t1 (thread_id integer)
master-bin.000001 # Query # # use `test`; create table test.t2 (name varchar(128))
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (test.t1)
master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (test.t2)
master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # use `test`; drop table test.t1
master-bin.000001 # Query # # use `test`; drop table test.t2
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (performance_schema.SETUP_INSTRUMENTS)
master-bin.000001 # Update_rows # # table_id: #
master-bin.000001 # Update_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
set binlog_format=row;
RESET MASTER;
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
update performance_schema.SETUP_INSTRUMENTS set enabled='NO'
where name like "wait/synch/rwlock/%";
select count(*) > 0 from performance_schema.EVENTS_WAITS_CURRENT;
count(*) > 0
1
drop table if exists test.t1;
drop table if exists test.t2;
create table test.t1 (thread_id integer);
create table test.t2 (name varchar(128));
insert into test.t1
select thread_id from performance_schema.EVENTS_WAITS_CURRENT;
insert into test.t2
select name from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/rwlock/%";
drop table test.t1;
drop table test.t2;
update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
where name like "wait/synch/rwlock/%";
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (performance_schema.SETUP_INSTRUMENTS)
master-bin.000001 # Update_rows # # table_id: #
master-bin.000001 # Update_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # use `test`; drop table if exists test.t1
master-bin.000001 # Query # # use `test`; drop table if exists test.t2
master-bin.000001 # Query # # use `test`; create table test.t1 (thread_id integer)
master-bin.000001 # Query # # use `test`; create table test.t2 (name varchar(128))
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (test.t1)
master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (test.t2)
master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Query # # use `test`; drop table test.t1
master-bin.000001 # Query # # use `test`; drop table test.t2
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (performance_schema.SETUP_INSTRUMENTS)
master-bin.000001 # Update_rows # # table_id: #
master-bin.000001 # Update_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
set binlog_format=statement;
RESET MASTER;
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
update performance_schema.SETUP_INSTRUMENTS set enabled='NO'
where name like "wait/synch/rwlock/%";
Warnings:
Note 1592 Statement may not be safe to log in statement format.
select count(*) > 0 from performance_schema.EVENTS_WAITS_CURRENT;
count(*) > 0
1
drop table if exists test.t1;
drop table if exists test.t2;
create table test.t1 (thread_id integer);
create table test.t2 (name varchar(128));
insert into test.t1
select thread_id from performance_schema.EVENTS_WAITS_CURRENT;
Warnings:
Note 1592 Statement may not be safe to log in statement format.
insert into test.t2
select name from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/rwlock/%";
Warnings:
Note 1592 Statement may not be safe to log in statement format.
drop table test.t1;
drop table test.t2;
update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
where name like "wait/synch/rwlock/%";
Warnings:
Note 1592 Statement may not be safe to log in statement format.
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # use `test`; update performance_schema.SETUP_INSTRUMENTS set enabled='NO'
where name like "wait/synch/rwlock/%"
master-bin.000001 # Query # # use `test`; drop table if exists test.t1
master-bin.000001 # Query # # use `test`; drop table if exists test.t2
master-bin.000001 # Query # # use `test`; create table test.t1 (thread_id integer)
master-bin.000001 # Query # # use `test`; create table test.t2 (name varchar(128))
master-bin.000001 # Query # # use `test`; insert into test.t1
select thread_id from performance_schema.EVENTS_WAITS_CURRENT
master-bin.000001 # Query # # use `test`; insert into test.t2
select name from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/rwlock/%"
master-bin.000001 # Query # # use `test`; drop table test.t1
master-bin.000001 # Query # # use `test`; drop table test.t2
master-bin.000001 # Query # # use `test`; update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
where name like "wait/synch/rwlock/%"
show variables like 'performance_schema_max_thread_classes';
Variable_name Value
performance_schema_max_thread_classes 12
show variables like 'performance_schema_max_thread_instances';
Variable_name Value
performance_schema_max_thread_instances 318
show grants;
Grants for root@localhost
GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION
grant usage on *.* to 'pfs_user_5'@localhost with GRANT OPTION;
grant SELECT(thread_id, event_id) on performance_schema.EVENTS_WAITS_CURRENT
to 'pfs_user_5'@localhost;
grant UPDATE(enabled) on performance_schema.SETUP_INSTRUMENTS
to 'pfs_user_5'@localhost;
flush privileges;
select thread_id from performance_schema.EVENTS_WAITS_CURRENT;
select thread_id, event_id from performance_schema.EVENTS_WAITS_CURRENT;
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
select event_name from performance_schema.EVENTS_WAITS_CURRENT;
ERROR 42000: SELECT command denied to user 'pfs_user_5'@'localhost' for column 'event_name' in table 'EVENTS_WAITS_CURRENT'
select thread_id, event_id, event_name
from performance_schema.EVENTS_WAITS_CURRENT;
ERROR 42000: SELECT command denied to user 'pfs_user_5'@'localhost' for column 'event_name' in table 'EVENTS_WAITS_CURRENT'
update performance_schema.SETUP_INSTRUMENTS set name='illegal';
ERROR 42000: UPDATE command denied to user 'pfs_user_5'@'localhost' for column 'name' in table 'SETUP_INSTRUMENTS'
update performance_schema.SETUP_INSTRUMENTS set timed='NO';
ERROR 42000: UPDATE command denied to user 'pfs_user_5'@'localhost' for column 'timed' in table 'SETUP_INSTRUMENTS'
REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'pfs_user_5'@localhost;
DROP USER 'pfs_user_5'@localhost;
flush privileges;
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES', timed = 'YES';
UPDATE performance_schema.SETUP_CONSUMERS SET enabled = 'YES';
UPDATE performance_schema.SETUP_TIMERS SET timer_name = 'CYCLE';
alter table performance_schema.COND_INSTANCES add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.COND_INSTANCES;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.COND_INSTANCES ADD INDEX test_index(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.COND_INSTANCES(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.EVENTS_WAITS_CURRENT add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.EVENTS_WAITS_CURRENT;
ALTER TABLE performance_schema.EVENTS_WAITS_CURRENT ADD INDEX test_index(EVENT_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.EVENTS_WAITS_CURRENT(EVENT_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.EVENTS_WAITS_HISTORY add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.EVENTS_WAITS_HISTORY;
ALTER TABLE performance_schema.EVENTS_WAITS_HISTORY ADD INDEX test_index(EVENT_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.EVENTS_WAITS_HISTORY(EVENT_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.EVENTS_WAITS_HISTORY_LONG add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.EVENTS_WAITS_HISTORY_LONG;
ALTER TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG ADD INDEX test_index(EVENT_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.EVENTS_WAITS_HISTORY_LONG(EVENT_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
ALTER TABLE performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME ADD INDEX test_index(EVENT_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME(EVENT_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
ALTER TABLE performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE ADD INDEX test_index(EVENT_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE(EVENT_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
ALTER TABLE performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME ADD INDEX test_index(THREAD_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index
ON performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME(THREAD_ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.FILE_INSTANCES add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.FILE_INSTANCES;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.FILE_INSTANCES ADD INDEX test_index(FILE_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.FILE_INSTANCES(FILE_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.FILE_SUMMARY_BY_EVENT_NAME add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
ALTER TABLE performance_schema.FILE_SUMMARY_BY_EVENT_NAME ADD INDEX test_index(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.FILE_SUMMARY_BY_EVENT_NAME(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.FILE_SUMMARY_BY_INSTANCE add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.FILE_SUMMARY_BY_INSTANCE;
ALTER TABLE performance_schema.FILE_SUMMARY_BY_INSTANCE ADD INDEX test_index(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.FILE_SUMMARY_BY_INSTANCE(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.MUTEX_INSTANCES add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.MUTEX_INSTANCES;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.MUTEX_INSTANCES ADD INDEX test_index(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.MUTEX_INSTANCES(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.PERFORMANCE_TIMERS add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.PERFORMANCE_TIMERS;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.PERFORMANCE_TIMERS ADD INDEX test_index(TIMER_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.PERFORMANCE_TIMERS(TIMER_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.PROCESSLIST add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.PROCESSLIST;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.PROCESSLIST ADD INDEX test_index(ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.PROCESSLIST(ID);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.RWLOCK_INSTANCES add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.RWLOCK_INSTANCES;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.RWLOCK_INSTANCES ADD INDEX test_index(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.RWLOCK_INSTANCES(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.SETUP_CONSUMERS add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.SETUP_CONSUMERS;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.SETUP_CONSUMERS ADD INDEX test_index(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.SETUP_CONSUMERS(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.SETUP_INSTRUMENTS add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.SETUP_INSTRUMENTS;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.SETUP_INSTRUMENTS ADD INDEX test_index(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.SETUP_INSTRUMENTS(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.SETUP_OBJECTS add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.SETUP_OBJECTS;
ALTER TABLE performance_schema.SETUP_OBJECTS ADD INDEX test_index(OBJECT_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.SETUP_OBJECTS(OBJECT_NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
alter table performance_schema.SETUP_TIMERS add column foo integer;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
truncate table performance_schema.SETUP_TIMERS;
ERROR HY000: Invalid performance_schema usage.
ALTER TABLE performance_schema.SETUP_TIMERS ADD INDEX test_index(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
CREATE UNIQUE INDEX test_index ON performance_schema.SETUP_TIMERS(NAME);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'performance_schema'
select * from performance_schema.COND_INSTANCES limit 1;
NAME OBJECT_INSTANCE_BEGIN
# #
select * from performance_schema.COND_INSTANCES
where name='FOO';
NAME OBJECT_INSTANCE_BEGIN
insert into performance_schema.COND_INSTANCES
set name='FOO', object_instance_begin=12;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'COND_INSTANCES'
update performance_schema.COND_INSTANCES
set name='FOO';
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'COND_INSTANCES'
delete from performance_schema.COND_INSTANCES
where name like "wait/%";
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'COND_INSTANCES'
delete from performance_schema.COND_INSTANCES;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'COND_INSTANCES'
LOCK TABLES performance_schema.COND_INSTANCES READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'COND_INSTANCES'
UNLOCK TABLES;
LOCK TABLES performance_schema.COND_INSTANCES WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'COND_INSTANCES'
UNLOCK TABLES;
select * from performance_schema.EVENTS_WAITS_CURRENT
where event_name like 'Wait/Synch/%' limit 1;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
# # # # # # # # NULL NULL NULL # NULL # NULL 0
select * from performance_schema.EVENTS_WAITS_CURRENT
where event_name='FOO';
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
insert into performance_schema.EVENTS_WAITS_CURRENT
set thread_id='1', event_id=1,
event_name='FOO', timer_start=1, timer_end=2, timer_wait=3;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_CURRENT'
update performance_schema.EVENTS_WAITS_CURRENT
set timer_start=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_CURRENT'
update performance_schema.EVENTS_WAITS_CURRENT
set timer_start=12 where thread_id=0;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_CURRENT'
delete from performance_schema.EVENTS_WAITS_CURRENT
where thread_id=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_CURRENT'
delete from performance_schema.EVENTS_WAITS_CURRENT;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_CURRENT'
LOCK TABLES performance_schema.EVENTS_WAITS_CURRENT READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_CURRENT'
UNLOCK TABLES;
LOCK TABLES performance_schema.EVENTS_WAITS_CURRENT WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_CURRENT'
UNLOCK TABLES;
select * from performance_schema.EVENTS_WAITS_HISTORY
where event_name like 'Wait/Synch/%' limit 1;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
# # # # # # # # NULL NULL NULL # NULL # NULL 0
select * from performance_schema.EVENTS_WAITS_HISTORY
where event_name='FOO';
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
select * from performance_schema.EVENTS_WAITS_HISTORY
where event_name like 'Wait/Synch/%' order by timer_wait limit 1;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
# # # # # # # # NULL NULL NULL # NULL # NULL 0
select * from performance_schema.EVENTS_WAITS_HISTORY
where event_name like 'Wait/Synch/%' order by timer_wait desc limit 1;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
# # # # # # # # NULL NULL NULL # NULL # NULL 0
insert into performance_schema.EVENTS_WAITS_HISTORY
set thread_id='1', event_id=1,
event_name='FOO', timer_start=1, timer_end=2, timer_wait=3;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY'
update performance_schema.EVENTS_WAITS_HISTORY
set timer_start=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY'
update performance_schema.EVENTS_WAITS_HISTORY
set timer_start=12 where thread_id=0;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY'
delete from performance_schema.EVENTS_WAITS_HISTORY
where thread_id=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY'
delete from performance_schema.EVENTS_WAITS_HISTORY;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY'
LOCK TABLES performance_schema.EVENTS_WAITS_HISTORY READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY'
UNLOCK TABLES;
LOCK TABLES performance_schema.EVENTS_WAITS_HISTORY WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY'
UNLOCK TABLES;
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG
where event_name like 'Wait/Synch/%' limit 1;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
# # # # # # # # NULL NULL NULL # NULL # NULL 0
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG
where event_name='FOO';
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG
where event_name like 'Wait/Synch/%' order by timer_wait limit 1;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
# # # # # # # # NULL NULL NULL # NULL # NULL 0
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG
where event_name like 'Wait/Synch/%' order by timer_wait desc limit 1;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
# # # # # # # # NULL NULL NULL # NULL # NULL 0
insert into performance_schema.EVENTS_WAITS_HISTORY_LONG
set thread_id='1', event_id=1,
event_name='FOO', timer_start=1, timer_end=2, timer_wait=3;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY_LONG'
update performance_schema.EVENTS_WAITS_HISTORY_LONG
set timer_start=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY_LONG'
update performance_schema.EVENTS_WAITS_HISTORY_LONG
set timer_start=12 where thread_id=0;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY_LONG'
delete from performance_schema.EVENTS_WAITS_HISTORY_LONG
where thread_id=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY_LONG'
delete from performance_schema.EVENTS_WAITS_HISTORY_LONG;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY_LONG'
LOCK TABLES performance_schema.EVENTS_WAITS_HISTORY_LONG READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY_LONG'
UNLOCK TABLES;
LOCK TABLES performance_schema.EVENTS_WAITS_HISTORY_LONG WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_HISTORY_LONG'
UNLOCK TABLES;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
where event_name like 'Wait/Synch/%' limit 1;
EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
# # # # # #
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
where event_name='FOO';
EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
insert into performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
set event_name='FOO', count_star=1, sum_timer_wait=2, min_timer_wait=3,
avg_timer_wait=4, max_timer_wait=5;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_EVENT_NAME'
update performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
set count_star=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_EVENT_NAME'
update performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
set count_star=12 where event_name like "FOO";
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_EVENT_NAME'
delete from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
where count_star=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_EVENT_NAME'
delete from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_EVENT_NAME'
LOCK TABLES performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_EVENT_NAME'
UNLOCK TABLES;
LOCK TABLES performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_EVENT_NAME'
UNLOCK TABLES;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
where event_name like 'Wait/Synch/%' limit 1;
EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
# # # # # # #
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
where event_name='FOO';
EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
order by count_star limit 1;
EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
# # # # # # #
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
order by count_star desc limit 1;
EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
# # # # # # #
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
where min_timer_wait > 0 order by count_star limit 1;
EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
# # # # # # #
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
where min_timer_wait > 0 order by count_star desc limit 1;
EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
# # # # # # #
insert into performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
set event_name='FOO', object_instance_begin=0,
count_star=1, sum_timer_wait=2, min_timer_wait=3,
avg_timer_wait=4, max_timer_wait=5;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
update performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
set count_star=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
update performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
set count_star=12 where event_name like "FOO";
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
delete from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
where count_star=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
delete from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
LOCK TABLES performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
UNLOCK TABLES;
LOCK TABLES performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
UNLOCK TABLES;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
where event_name like 'Wait/Synch/%' limit 1;
THREAD_ID EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
# # # # # # #
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
where event_name='FOO';
THREAD_ID EVENT_NAME COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
insert into performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
set event_name='FOO', thread_id=1,
count_star=1, sum_timer_wait=2, min_timer_wait=3,
avg_timer_wait=4, max_timer_wait=5;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME'
update performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
set count_star=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME'
update performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
set count_star=12 where event_name like "FOO";
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME'
delete from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
where count_star=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME'
delete from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME'
LOCK TABLES performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME'
UNLOCK TABLES;
LOCK TABLES performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME'
UNLOCK TABLES;
select * from performance_schema.FILE_INSTANCES limit 1;
FILE_NAME EVENT_NAME OPEN_COUNT
# # #
select * from performance_schema.FILE_INSTANCES
where file_name='FOO';
FILE_NAME EVENT_NAME OPEN_COUNT
insert into performance_schema.FILE_INSTANCES
set file_name='FOO', event_name='BAR', open_count=12;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'FILE_INSTANCES'
update performance_schema.FILE_INSTANCES
set file_name='FOO';
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'FILE_INSTANCES'
delete from performance_schema.FILE_INSTANCES
where event_name like "wait/%";
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'FILE_INSTANCES'
delete from performance_schema.FILE_INSTANCES;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'FILE_INSTANCES'
LOCK TABLES performance_schema.FILE_INSTANCES READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'FILE_INSTANCES'
UNLOCK TABLES;
LOCK TABLES performance_schema.FILE_INSTANCES WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'FILE_INSTANCES'
UNLOCK TABLES;
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME
where event_name like 'Wait/io/%' limit 1;
EVENT_NAME COUNT_READ COUNT_WRITE SUM_NUMBER_OF_BYTES_READ SUM_NUMBER_OF_BYTES_WRITE
# # # # #
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME
where event_name='FOO';
EVENT_NAME COUNT_READ COUNT_WRITE SUM_NUMBER_OF_BYTES_READ SUM_NUMBER_OF_BYTES_WRITE
insert into performance_schema.FILE_SUMMARY_BY_EVENT_NAME
set event_name='FOO', count_read=1, count_write=2,
sum_number_of_bytes_read=4, sum_number_of_bytes_write=5;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_EVENT_NAME'
update performance_schema.FILE_SUMMARY_BY_EVENT_NAME
set count_read=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_EVENT_NAME'
update performance_schema.FILE_SUMMARY_BY_EVENT_NAME
set count_write=12 where event_name like "FOO";
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_EVENT_NAME'
delete from performance_schema.FILE_SUMMARY_BY_EVENT_NAME
where count_read=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_EVENT_NAME'
delete from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_EVENT_NAME'
LOCK TABLES performance_schema.FILE_SUMMARY_BY_EVENT_NAME READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_EVENT_NAME'
UNLOCK TABLES;
LOCK TABLES performance_schema.FILE_SUMMARY_BY_EVENT_NAME WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_EVENT_NAME'
UNLOCK TABLES;
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE
where event_name like 'Wait/io/%' limit 1;
FILE_NAME EVENT_NAME COUNT_READ COUNT_WRITE SUM_NUMBER_OF_BYTES_READ SUM_NUMBER_OF_BYTES_WRITE
# # # # # #
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE
where event_name='FOO';
FILE_NAME EVENT_NAME COUNT_READ COUNT_WRITE SUM_NUMBER_OF_BYTES_READ SUM_NUMBER_OF_BYTES_WRITE
insert into performance_schema.FILE_SUMMARY_BY_INSTANCE
set event_name='FOO', count_read=1, count_write=2,
sum_number_of_bytes_read=4, sum_number_of_bytes_write=5;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_INSTANCE'
update performance_schema.FILE_SUMMARY_BY_INSTANCE
set count_read=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_INSTANCE'
update performance_schema.FILE_SUMMARY_BY_INSTANCE
set count_write=12 where event_name like "FOO";
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_INSTANCE'
delete from performance_schema.FILE_SUMMARY_BY_INSTANCE
where count_read=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_INSTANCE'
delete from performance_schema.FILE_SUMMARY_BY_INSTANCE;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_INSTANCE'
LOCK TABLES performance_schema.FILE_SUMMARY_BY_INSTANCE READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_INSTANCE'
UNLOCK TABLES;
LOCK TABLES performance_schema.FILE_SUMMARY_BY_INSTANCE WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'FILE_SUMMARY_BY_INSTANCE'
UNLOCK TABLES;
select * from performance_schema.MUTEX_INSTANCES limit 1;
NAME OBJECT_INSTANCE_BEGIN LOCKED_BY_THREAD_ID
# # NULL
select * from performance_schema.MUTEX_INSTANCES
where name='FOO';
NAME OBJECT_INSTANCE_BEGIN LOCKED_BY_THREAD_ID
insert into performance_schema.MUTEX_INSTANCES
set name='FOO', object_instance_begin=12;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
update performance_schema.MUTEX_INSTANCES
set name='FOO';
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
delete from performance_schema.MUTEX_INSTANCES
where name like "wait/%";
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
delete from performance_schema.MUTEX_INSTANCES;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
LOCK TABLES performance_schema.MUTEX_INSTANCES READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
UNLOCK TABLES;
LOCK TABLES performance_schema.MUTEX_INSTANCES WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'MUTEX_INSTANCES'
UNLOCK TABLES;
select * from performance_schema.PERFORMANCE_TIMERS;
TIMER_NAME TIMER_FREQUENCY TIMER_RESOLUTION TIMER_OVERHEAD
CYCLE <frequency> <resolution> <overhead>
NANOSECOND <frequency> <resolution> <overhead>
MICROSECOND <frequency> <resolution> <overhead>
MILLISECOND <frequency> <resolution> <overhead>
TICK <frequency> <resolution> <overhead>
select * from performance_schema.PERFORMANCE_TIMERS
where timer_name='CYCLE';
TIMER_NAME TIMER_FREQUENCY TIMER_RESOLUTION TIMER_OVERHEAD
CYCLE <frequency> <resolution> <overhead>
insert into performance_schema.PERFORMANCE_TIMERS
set timer_name='FOO', timer_frequency=1,
timer_resolution=2, timer_overhead=3;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'PERFORMANCE_TIMERS'
update performance_schema.PERFORMANCE_TIMERS
set timer_frequency=12 where timer_name='CYCLE';
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'PERFORMANCE_TIMERS'
delete from performance_schema.PERFORMANCE_TIMERS;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'PERFORMANCE_TIMERS'
delete from performance_schema.PERFORMANCE_TIMERS
where timer_name='CYCLE';
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'PERFORMANCE_TIMERS'
LOCK TABLES performance_schema.PERFORMANCE_TIMERS READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'PERFORMANCE_TIMERS'
UNLOCK TABLES;
LOCK TABLES performance_schema.PERFORMANCE_TIMERS WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'PERFORMANCE_TIMERS'
UNLOCK TABLES;
select * from performance_schema.PROCESSLIST
where name like 'Thread/%' limit 1;
THREAD_ID ID NAME
# # #
select * from performance_schema.PROCESSLIST
where name='FOO';
THREAD_ID ID NAME
insert into performance_schema.PROCESSLIST
set name='FOO', thread_id=1, id=2;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'PROCESSLIST'
update performance_schema.PROCESSLIST
set thread_id=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'PROCESSLIST'
update performance_schema.PROCESSLIST
set thread_id=12 where name like "FOO";
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'PROCESSLIST'
delete from performance_schema.PROCESSLIST
where id=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'PROCESSLIST'
delete from performance_schema.PROCESSLIST;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'PROCESSLIST'
LOCK TABLES performance_schema.PROCESSLIST READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'PROCESSLIST'
UNLOCK TABLES;
LOCK TABLES performance_schema.PROCESSLIST WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'PROCESSLIST'
UNLOCK TABLES;
select * from performance_schema.RWLOCK_INSTANCES limit 1;
NAME OBJECT_INSTANCE_BEGIN WRITE_LOCKED_BY_THREAD_ID READ_LOCKED_BY_COUNT
# # NULL 0
select * from performance_schema.RWLOCK_INSTANCES
where name='FOO';
NAME OBJECT_INSTANCE_BEGIN WRITE_LOCKED_BY_THREAD_ID READ_LOCKED_BY_COUNT
insert into performance_schema.RWLOCK_INSTANCES
set name='FOO', object_instance_begin=12;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'RWLOCK_INSTANCES'
update performance_schema.RWLOCK_INSTANCES
set name='FOO';
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'RWLOCK_INSTANCES'
delete from performance_schema.RWLOCK_INSTANCES
where name like "wait/%";
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'RWLOCK_INSTANCES'
delete from performance_schema.RWLOCK_INSTANCES;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'RWLOCK_INSTANCES'
LOCK TABLES performance_schema.RWLOCK_INSTANCES READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'RWLOCK_INSTANCES'
UNLOCK TABLES;
LOCK TABLES performance_schema.RWLOCK_INSTANCES WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'RWLOCK_INSTANCES'
UNLOCK TABLES;
select * from performance_schema.SETUP_CONSUMERS;
NAME ENABLED
events_waits_current YES
events_waits_history YES
events_waits_history_long YES
events_waits_summary_by_thread_by_event_name YES
events_waits_summary_by_event_name YES
events_waits_summary_by_instance YES
file_summary_by_event_name YES
file_summary_by_instance YES
select * from performance_schema.SETUP_CONSUMERS
where name='events_waits_current';
NAME ENABLED
events_waits_current YES
select * from performance_schema.SETUP_CONSUMERS
where enabled='YES';
NAME ENABLED
events_waits_current YES
events_waits_history YES
events_waits_history_long YES
events_waits_summary_by_thread_by_event_name YES
events_waits_summary_by_event_name YES
events_waits_summary_by_instance YES
file_summary_by_event_name YES
file_summary_by_instance YES
select * from performance_schema.SETUP_CONSUMERS
where enabled='NO';
NAME ENABLED
insert into performance_schema.SETUP_CONSUMERS
set name='FOO', enabled='YES';
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'SETUP_CONSUMERS'
update performance_schema.SETUP_CONSUMERS
set name='FOO';
ERROR HY000: Invalid performance_schema usage.
update performance_schema.SETUP_CONSUMERS
set enabled='YES';
delete from performance_schema.SETUP_CONSUMERS;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'SETUP_CONSUMERS'
delete from performance_schema.SETUP_CONSUMERS
where name='events_waits_current';
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'SETUP_CONSUMERS'
LOCK TABLES performance_schema.SETUP_CONSUMERS READ;
UNLOCK TABLES;
LOCK TABLES performance_schema.SETUP_CONSUMERS WRITE;
UNLOCK TABLES;
select * from performance_schema.SETUP_INSTRUMENTS;
select * from performance_schema.SETUP_INSTRUMENTS
where name like 'Wait/Synch/Mutex/sql/%'
and name not in ('wait/synch/mutex/sql/DEBUG_SYNC::mutex')
order by name limit 10;
NAME ENABLED TIMED
wait/synch/mutex/sql/Cversion_lock YES YES
wait/synch/mutex/sql/Delayed_insert::mutex YES YES
wait/synch/mutex/sql/Event_scheduler::LOCK_scheduler_state YES YES
wait/synch/mutex/sql/hash_filo::lock YES YES
wait/synch/mutex/sql/LOCK_active_mi YES YES
wait/synch/mutex/sql/LOCK_connection_count YES YES
wait/synch/mutex/sql/LOCK_crypt YES YES
wait/synch/mutex/sql/LOCK_delayed_create YES YES
wait/synch/mutex/sql/LOCK_delayed_insert YES YES
wait/synch/mutex/sql/LOCK_delayed_status YES YES
select * from performance_schema.SETUP_INSTRUMENTS
where name like 'Wait/Synch/Rwlock/sql/%'
order by name limit 10;
NAME ENABLED TIMED
wait/synch/rwlock/sql/LOCK_dboptions YES YES
wait/synch/rwlock/sql/LOCK_grant YES YES
wait/synch/rwlock/sql/LOCK_system_variables_hash YES YES
wait/synch/rwlock/sql/LOCK_sys_init_connect YES YES
wait/synch/rwlock/sql/LOCK_sys_init_slave YES YES
wait/synch/rwlock/sql/LOGGER::LOCK_logger YES YES
wait/synch/rwlock/sql/Query_cache_query::lock YES YES
wait/synch/rwlock/sql/THR_LOCK_servers YES YES
wait/synch/rwlock/sql/THR_LOCK_udf YES YES
select * from performance_schema.SETUP_INSTRUMENTS
where name like 'Wait/Synch/Cond/sql/%'
and name not in (
'wait/synch/cond/sql/COND_handler_count',
'wait/synch/cond/sql/DEBUG_SYNC::cond')
order by name limit 10;
NAME ENABLED TIMED
wait/synch/cond/sql/COND_flush_thread_cache YES YES
wait/synch/cond/sql/COND_global_read_lock YES YES
wait/synch/cond/sql/COND_manager YES YES
wait/synch/cond/sql/COND_queue_state YES YES
wait/synch/cond/sql/COND_refresh YES YES
wait/synch/cond/sql/COND_rpl_status YES YES
wait/synch/cond/sql/COND_server_started YES YES
wait/synch/cond/sql/COND_thread_cache YES YES
wait/synch/cond/sql/COND_thread_count YES YES
wait/synch/cond/sql/Delayed_insert::cond YES YES
select * from performance_schema.SETUP_INSTRUMENTS
where name='Wait';
select * from performance_schema.SETUP_INSTRUMENTS
where enabled='YES';
insert into performance_schema.SETUP_INSTRUMENTS
set name='FOO', enabled='YES', timed='YES';
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'SETUP_INSTRUMENTS'
update performance_schema.SETUP_INSTRUMENTS
set name='FOO';
ERROR HY000: Invalid performance_schema usage.
update performance_schema.SETUP_INSTRUMENTS
set enabled='NO';
update performance_schema.SETUP_INSTRUMENTS
set timed='NO';
select * from performance_schema.SETUP_INSTRUMENTS;
update performance_schema.SETUP_INSTRUMENTS
set enabled='YES', timed='YES';
delete from performance_schema.SETUP_INSTRUMENTS;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'SETUP_INSTRUMENTS'
delete from performance_schema.SETUP_INSTRUMENTS
where name like 'Wait/Synch/%';
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'SETUP_INSTRUMENTS'
LOCK TABLES performance_schema.SETUP_INSTRUMENTS READ;
UNLOCK TABLES;
LOCK TABLES performance_schema.SETUP_INSTRUMENTS WRITE;
UNLOCK TABLES;
select * from performance_schema.SETUP_OBJECTS;
OBJECT_TYPE OBJECT_SCHEMA OBJECT_NAME ENABLED TIMED AGGREGATED
select * from performance_schema.SETUP_OBJECTS
where object_type = 'TABLE';
OBJECT_TYPE OBJECT_SCHEMA OBJECT_NAME ENABLED TIMED AGGREGATED
select * from performance_schema.SETUP_OBJECTS
where enabled='YES';
OBJECT_TYPE OBJECT_SCHEMA OBJECT_NAME ENABLED TIMED AGGREGATED
insert into performance_schema.SETUP_OBJECTS
set object_type='TABLE', object_schema='FOO', object_name='BAR',
enabled='YES', timed='YES', aggregated='YES';
ERROR HY000: Table storage engine for 'SETUP_OBJECTS' doesn't have this option
update performance_schema.SETUP_OBJECTS
set object_type='TABLE';
update performance_schema.SETUP_OBJECTS
set object_schema='ILLEGAL';
update performance_schema.SETUP_OBJECTS
set object_name='ILLEGAL';
update performance_schema.SETUP_OBJECTS
set enabled='NO';
update performance_schema.SETUP_OBJECTS
set timed='NO';
update performance_schema.SETUP_OBJECTS
set aggregated='NO';
select * from performance_schema.SETUP_OBJECTS;
OBJECT_TYPE OBJECT_SCHEMA OBJECT_NAME ENABLED TIMED AGGREGATED
update performance_schema.SETUP_OBJECTS
set enabled='YES', timed='YES', aggregated='YES';
delete from performance_schema.SETUP_OBJECTS
where object_type = 'TABLE';
delete from performance_schema.SETUP_OBJECTS;
LOCK TABLES performance_schema.SETUP_OBJECTS READ;
UNLOCK TABLES;
LOCK TABLES performance_schema.SETUP_OBJECTS WRITE;
UNLOCK TABLES;
select * from performance_schema.SETUP_TIMERS;
NAME TIMER_NAME
wait CYCLE
select * from performance_schema.SETUP_TIMERS
where name='Wait';
NAME TIMER_NAME
wait CYCLE
select * from performance_schema.SETUP_TIMERS
where timer_name='CYCLE';
NAME TIMER_NAME
wait CYCLE
insert into performance_schema.SETUP_TIMERS
set name='FOO', timer_name='CYCLE';
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'SETUP_TIMERS'
update performance_schema.SETUP_TIMERS
set name='FOO';
ERROR HY000: Invalid performance_schema usage.
update performance_schema.SETUP_TIMERS
set timer_name='MILLISECOND';
select * from performance_schema.SETUP_TIMERS;
NAME TIMER_NAME
wait MILLISECOND
update performance_schema.SETUP_TIMERS
set timer_name='CYCLE';
delete from performance_schema.SETUP_TIMERS;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'SETUP_TIMERS'
delete from performance_schema.SETUP_TIMERS
where name='Wait';
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'SETUP_TIMERS'
LOCK TABLES performance_schema.SETUP_TIMERS READ;
UNLOCK TABLES;
LOCK TABLES performance_schema.SETUP_TIMERS WRITE;
UNLOCK TABLES;
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO', timed = 'YES';
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES'
WHERE name LIKE 'wait/io/file/%';
DROP TABLE IF EXISTS t1;
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);
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;
id b
1 initial value
SET @before_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
AND (OBJECT_NAME LIKE '%t1.MYD'));
SELECT IF(@before_count > 0, 'Success', 'Failure') has_instrumentation;
has_instrumentation
Success
SELECT * FROM t1 WHERE id < 4;
id b
1 initial value
2 initial value
3 initial value
SET @after_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
AND (OBJECT_NAME LIKE '%t1.MYD') AND (1 = 1));
SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_ff1_timed;
test_ff1_timed
Success
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled='NO';
SET @before_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
AND (OBJECT_NAME LIKE '%t1.MYD') AND (2 = 2));
SELECT * FROM t1 WHERE id < 6;
id b
1 initial value
2 initial value
3 initial value
4 initial value
5 initial value
SET @after_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
AND (OBJECT_NAME LIKE '%t1.MYD') AND (3 = 3));
SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_ff2_timed;
test_ff2_timed
Success
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES'
WHERE name LIKE 'wait/io/file/%';
UPDATE performance_schema.SETUP_INSTRUMENTS SET timed = 'NO';
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 > 4;
id b
5 initial value
6 initial value
7 initial value
8 initial value
SELECT * FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE TIMER_WAIT != NULL
OR TIMER_START != NULL
OR TIMER_END != NULL;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
SELECT * FROM performance_schema.EVENTS_WAITS_HISTORY
WHERE TIMER_WAIT != NULL
OR TIMER_START != NULL
OR TIMER_END != NULL;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
SELECT * FROM performance_schema.EVENTS_WAITS_CURRENT
WHERE TIMER_WAIT != NULL
OR TIMER_START != NULL
OR TIMER_END != NULL;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
UPDATE performance_schema.SETUP_INSTRUMENTS SET timed = 'YES';
SELECT * FROM t1 WHERE id < 4;
id b
1 initial value
2 initial value
3 initial value
DROP TABLE t1;
SELECT SUM(COUNT_READ) AS sum_count_read,
SUM(COUNT_WRITE) AS sum_count_write,
SUM(SUM_NUMBER_OF_BYTES_READ) AS sum_num_bytes_read,
SUM(SUM_NUMBER_OF_BYTES_WRITE) AS sum_num_bytes_write
FROM performance_schema.FILE_SUMMARY_BY_INSTANCE
WHERE FILE_NAME LIKE CONCAT('%', @@tmpdir, '%') ORDER BY NULL;
SELECT EVENT_NAME, COUNT_STAR, AVG_TIMER_WAIT, SUM_TIMER_WAIT
FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
WHERE COUNT_STAR > 0
ORDER BY SUM_TIMER_WAIT DESC
LIMIT 10;
SELECT i.user, SUM(TIMER_WAIT) SUM_WAIT
# ((TIME_TO_SEC(TIMEDIFF(NOW(), i.startup_time)) * 1000) / SUM(TIMER_WAIT)) * 100 WAIT_PERCENTAGE
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
INNER JOIN performance_schema.PROCESSLIST p USING (THREAD_ID)
LEFT JOIN information_schema.PROCESSLIST i USING (ID)
GROUP BY i.user
ORDER BY SUM_WAIT DESC
LIMIT 20;
SELECT h.EVENT_NAME, SUM(h.TIMER_WAIT) TOTAL_WAIT
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
INNER JOIN performance_schema.PROCESSLIST p USING (THREAD_ID)
WHERE p.ID = 1
GROUP BY h.EVENT_NAME
HAVING TOTAL_WAIT > 0;
SELECT i.user, h.operation, SUM(NUMBER_OF_BYTES) bytes
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
INNER JOIN performance_schema.PROCESSLIST p USING (THREAD_ID)
LEFT JOIN information_schema.PROCESSLIST i USING (ID)
GROUP BY i.user, h.operation
HAVING BYTES > 0
ORDER BY i.user, h.operation;
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/%';
DROP TABLE IF EXISTS t1;
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);
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;
id b
1 initial value
SET @before_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/LOCK_open'));
SELECT * FROM t1;
id b
1 initial value
2 initial value
3 initial value
4 initial value
5 initial value
6 initial value
7 initial value
8 initial value
SET @after_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/LOCK_open'));
SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_fm1_timed;
test_fm1_timed
Success
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO'
WHERE NAME = 'wait/synch/mutex/sql/LOCK_open';
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;
id b
1 initial value
SET @before_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/LOCK_open'));
SELECT * FROM t1;
id b
1 initial value
2 initial value
3 initial value
4 initial value
5 initial value
6 initial value
7 initial value
8 initial value
SET @after_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/LOCK_open'));
SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_fm2_timed;
test_fm2_timed
Success
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;
id b
1 initial value
SET @before_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_grant'));
SELECT * FROM t1;
id b
1 initial value
2 initial value
3 initial value
4 initial value
5 initial value
6 initial value
7 initial value
8 initial value
SET @after_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_grant'));
SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_fm1_rw_timed;
test_fm1_rw_timed
Success
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO'
WHERE NAME = 'wait/synch/rwlock/sql/LOCK_grant';
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;
id b
1 initial value
SET @before_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_grant'));
SELECT * FROM t1;
id b
1 initial value
2 initial value
3 initial value
4 initial value
5 initial value
6 initial value
7 initial value
8 initial value
SET @after_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_grant'));
SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_fm2_rw_timed;
test_fm2_rw_timed
Success
DROP TABLE t1;
use performance_schema;
grant SELECT, UPDATE, LOCK TABLES on performance_schema.* to pfsuser@localhost;
flush privileges;
connect (con1, localhost, pfsuser, , test);
lock tables performance_schema.SETUP_INSTRUMENTS read;
select * from performance_schema.SETUP_INSTRUMENTS;
unlock tables;
lock tables performance_schema.SETUP_INSTRUMENTS write;
update performance_schema.SETUP_INSTRUMENTS set enabled='NO';
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
unlock tables;
connection default;
flush tables with read lock;
connection con1;
lock tables performance_schema.SETUP_INSTRUMENTS read;
select * from performance_schema.SETUP_INSTRUMENTS;
unlock tables;
lock tables performance_schema.SETUP_INSTRUMENTS write;
connection default;
select event_name,
left(source, locate(":", source)) as short_source,
timer_end, timer_wait, operation
from performance_schema.EVENTS_WAITS_CURRENT
where event_name like "wait/synch/cond/sql/COND_global_read_lock";
event_name short_source timer_end timer_wait operation
wait/synch/cond/sql/COND_global_read_lock lock.cc: NULL NULL wait
unlock tables;
update performance_schema.SETUP_INSTRUMENTS set enabled='NO';
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
unlock tables;
connection default;
drop user pfsuser@localhost;
flush privileges;
select TABLE_SCHEMA, upper(TABLE_NAME), TABLE_CATALOG
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
TABLE_SCHEMA upper(TABLE_NAME) TABLE_CATALOG
performance_schema COND_INSTANCES def
performance_schema EVENTS_WAITS_CURRENT def
performance_schema EVENTS_WAITS_HISTORY def
performance_schema EVENTS_WAITS_HISTORY_LONG def
performance_schema EVENTS_WAITS_SUMMARY_BY_EVENT_NAME def
performance_schema EVENTS_WAITS_SUMMARY_BY_INSTANCE def
performance_schema EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME def
performance_schema FILE_INSTANCES def
performance_schema FILE_SUMMARY_BY_EVENT_NAME def
performance_schema FILE_SUMMARY_BY_INSTANCE def
performance_schema MUTEX_INSTANCES def
performance_schema PERFORMANCE_TIMERS def
performance_schema PROCESSLIST def
performance_schema RWLOCK_INSTANCES def
performance_schema SETUP_CONSUMERS def
performance_schema SETUP_INSTRUMENTS def
performance_schema SETUP_OBJECTS def
performance_schema SETUP_TIMERS def
select upper(TABLE_NAME), TABLE_TYPE, ENGINE
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
upper(TABLE_NAME) TABLE_TYPE ENGINE
COND_INSTANCES BASE TABLE PERFORMANCE_SCHEMA
EVENTS_WAITS_CURRENT BASE TABLE PERFORMANCE_SCHEMA
EVENTS_WAITS_HISTORY BASE TABLE PERFORMANCE_SCHEMA
EVENTS_WAITS_HISTORY_LONG BASE TABLE PERFORMANCE_SCHEMA
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME BASE TABLE PERFORMANCE_SCHEMA
EVENTS_WAITS_SUMMARY_BY_INSTANCE BASE TABLE PERFORMANCE_SCHEMA
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME BASE TABLE PERFORMANCE_SCHEMA
FILE_INSTANCES BASE TABLE PERFORMANCE_SCHEMA
FILE_SUMMARY_BY_EVENT_NAME BASE TABLE PERFORMANCE_SCHEMA
FILE_SUMMARY_BY_INSTANCE BASE TABLE PERFORMANCE_SCHEMA
MUTEX_INSTANCES BASE TABLE PERFORMANCE_SCHEMA
PERFORMANCE_TIMERS BASE TABLE PERFORMANCE_SCHEMA
PROCESSLIST BASE TABLE PERFORMANCE_SCHEMA
RWLOCK_INSTANCES BASE TABLE PERFORMANCE_SCHEMA
SETUP_CONSUMERS BASE TABLE PERFORMANCE_SCHEMA
SETUP_INSTRUMENTS BASE TABLE PERFORMANCE_SCHEMA
SETUP_OBJECTS BASE TABLE PERFORMANCE_SCHEMA
SETUP_TIMERS BASE TABLE PERFORMANCE_SCHEMA
select upper(TABLE_NAME), VERSION, ROW_FORMAT
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
upper(TABLE_NAME) VERSION ROW_FORMAT
COND_INSTANCES 10 Dynamic
EVENTS_WAITS_CURRENT 10 Dynamic
EVENTS_WAITS_HISTORY 10 Dynamic
EVENTS_WAITS_HISTORY_LONG 10 Dynamic
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME 10 Dynamic
EVENTS_WAITS_SUMMARY_BY_INSTANCE 10 Dynamic
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME 10 Dynamic
FILE_INSTANCES 10 Dynamic
FILE_SUMMARY_BY_EVENT_NAME 10 Dynamic
FILE_SUMMARY_BY_INSTANCE 10 Dynamic
MUTEX_INSTANCES 10 Dynamic
PERFORMANCE_TIMERS 10 Fixed
PROCESSLIST 10 Dynamic
RWLOCK_INSTANCES 10 Dynamic
SETUP_CONSUMERS 10 Dynamic
SETUP_INSTRUMENTS 10 Dynamic
SETUP_OBJECTS 10 Dynamic
SETUP_TIMERS 10 Dynamic
select upper(TABLE_NAME), TABLE_ROWS, AVG_ROW_LENGTH
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
upper(TABLE_NAME) TABLE_ROWS AVG_ROW_LENGTH
COND_INSTANCES 1000 0
EVENTS_WAITS_CURRENT 1000 0
EVENTS_WAITS_HISTORY 1000 0
EVENTS_WAITS_HISTORY_LONG 10000 0
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME 1000 0
EVENTS_WAITS_SUMMARY_BY_INSTANCE 1000 0
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME 1000 0
FILE_INSTANCES 1000 0
FILE_SUMMARY_BY_EVENT_NAME 1000 0
FILE_SUMMARY_BY_INSTANCE 1000 0
MUTEX_INSTANCES 1000 0
PERFORMANCE_TIMERS 5 0
PROCESSLIST 1000 0
RWLOCK_INSTANCES 1000 0
SETUP_CONSUMERS 8 0
SETUP_INSTRUMENTS 1000 0
SETUP_OBJECTS 1000 0
SETUP_TIMERS 1 0
select upper(TABLE_NAME), DATA_LENGTH, MAX_DATA_LENGTH
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
upper(TABLE_NAME) DATA_LENGTH MAX_DATA_LENGTH
COND_INSTANCES 0 0
EVENTS_WAITS_CURRENT 0 0
EVENTS_WAITS_HISTORY 0 0
EVENTS_WAITS_HISTORY_LONG 0 0
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME 0 0
EVENTS_WAITS_SUMMARY_BY_INSTANCE 0 0
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME 0 0
FILE_INSTANCES 0 0
FILE_SUMMARY_BY_EVENT_NAME 0 0
FILE_SUMMARY_BY_INSTANCE 0 0
MUTEX_INSTANCES 0 0
PERFORMANCE_TIMERS 0 0
PROCESSLIST 0 0
RWLOCK_INSTANCES 0 0
SETUP_CONSUMERS 0 0
SETUP_INSTRUMENTS 0 0
SETUP_OBJECTS 0 0
SETUP_TIMERS 0 0
select upper(TABLE_NAME), INDEX_LENGTH, DATA_FREE, AUTO_INCREMENT
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
upper(TABLE_NAME) INDEX_LENGTH DATA_FREE AUTO_INCREMENT
COND_INSTANCES 0 0 NULL
EVENTS_WAITS_CURRENT 0 0 NULL
EVENTS_WAITS_HISTORY 0 0 NULL
EVENTS_WAITS_HISTORY_LONG 0 0 NULL
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME 0 0 NULL
EVENTS_WAITS_SUMMARY_BY_INSTANCE 0 0 NULL
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME 0 0 NULL
FILE_INSTANCES 0 0 NULL
FILE_SUMMARY_BY_EVENT_NAME 0 0 NULL
FILE_SUMMARY_BY_INSTANCE 0 0 NULL
MUTEX_INSTANCES 0 0 NULL
PERFORMANCE_TIMERS 0 0 NULL
PROCESSLIST 0 0 NULL
RWLOCK_INSTANCES 0 0 NULL
SETUP_CONSUMERS 0 0 NULL
SETUP_INSTRUMENTS 0 0 NULL
SETUP_OBJECTS 0 0 NULL
SETUP_TIMERS 0 0 NULL
select upper(TABLE_NAME), CREATE_TIME, UPDATE_TIME, CHECK_TIME
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
upper(TABLE_NAME) CREATE_TIME UPDATE_TIME CHECK_TIME
COND_INSTANCES NULL NULL NULL
EVENTS_WAITS_CURRENT NULL NULL NULL
EVENTS_WAITS_HISTORY NULL NULL NULL
EVENTS_WAITS_HISTORY_LONG NULL NULL NULL
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME NULL NULL NULL
EVENTS_WAITS_SUMMARY_BY_INSTANCE NULL NULL NULL
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME NULL NULL NULL
FILE_INSTANCES NULL NULL NULL
FILE_SUMMARY_BY_EVENT_NAME NULL NULL NULL
FILE_SUMMARY_BY_INSTANCE NULL NULL NULL
MUTEX_INSTANCES NULL NULL NULL
PERFORMANCE_TIMERS NULL NULL NULL
PROCESSLIST NULL NULL NULL
RWLOCK_INSTANCES NULL NULL NULL
SETUP_CONSUMERS NULL NULL NULL
SETUP_INSTRUMENTS NULL NULL NULL
SETUP_OBJECTS NULL NULL NULL
SETUP_TIMERS NULL NULL NULL
select upper(TABLE_NAME), TABLE_COLLATION, CHECKSUM
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
upper(TABLE_NAME) TABLE_COLLATION CHECKSUM
COND_INSTANCES utf8_general_ci NULL
EVENTS_WAITS_CURRENT utf8_general_ci NULL
EVENTS_WAITS_HISTORY utf8_general_ci NULL
EVENTS_WAITS_HISTORY_LONG utf8_general_ci NULL
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME utf8_general_ci NULL
EVENTS_WAITS_SUMMARY_BY_INSTANCE utf8_general_ci NULL
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME utf8_general_ci NULL
FILE_INSTANCES utf8_general_ci NULL
FILE_SUMMARY_BY_EVENT_NAME utf8_general_ci NULL
FILE_SUMMARY_BY_INSTANCE utf8_general_ci NULL
MUTEX_INSTANCES utf8_general_ci NULL
PERFORMANCE_TIMERS utf8_general_ci NULL
PROCESSLIST utf8_general_ci NULL
RWLOCK_INSTANCES utf8_general_ci NULL
SETUP_CONSUMERS utf8_general_ci NULL
SETUP_INSTRUMENTS utf8_general_ci NULL
SETUP_OBJECTS utf8_general_ci NULL
SETUP_TIMERS utf8_general_ci NULL
select upper(TABLE_NAME), TABLE_COMMENT
from information_schema.tables
where TABLE_SCHEMA='performance_schema';
upper(TABLE_NAME) TABLE_COMMENT
COND_INSTANCES
EVENTS_WAITS_CURRENT
EVENTS_WAITS_HISTORY
EVENTS_WAITS_HISTORY_LONG
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
EVENTS_WAITS_SUMMARY_BY_INSTANCE
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
FILE_INSTANCES
FILE_SUMMARY_BY_EVENT_NAME
FILE_SUMMARY_BY_INSTANCE
MUTEX_INSTANCES
PERFORMANCE_TIMERS
PROCESSLIST
RWLOCK_INSTANCES
SETUP_CONSUMERS
SETUP_INSTRUMENTS
SETUP_OBJECTS
SETUP_TIMERS
SELECT EVENT_ID FROM performance_schema.EVENTS_WAITS_CURRENT
WHERE THREAD_ID IN
(SELECT THREAD_ID FROM performance_schema.PROCESSLIST)
AND EVENT_NAME IN
(SELECT NAME FROM performance_schema.SETUP_INSTRUMENTS
WHERE NAME LIKE "wait/synch/%")
LIMIT 1;
create table test.t1(a int) engine=performance_schema;
ERROR HY000: Invalid performance_schema usage.
create table test.t1 like performance_schema.EVENTS_WAITS_CURRENT;
ERROR HY000: Invalid performance_schema usage.
create table performance_schema.t1(a int);
ERROR 42000: CREATE command denied to user 'root'@'localhost' for table 't1'
update performance_schema.SETUP_INSTRUMENTS set enabled='NO';
update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
where name like "wait/io/file/myisam/%";
update performance_schema.SETUP_CONSUMERS
set enabled='YES';
truncate table performance_schema.EVENTS_WAITS_HISTORY_LONG;
drop table if exists test.no_index_tab;
create table test.no_index_tab ( a varchar(255), b int ) engine=myisam;
insert into no_index_tab set a = 'foo', b = 1;
insert into no_index_tab set a = 'foo', b = 1;
insert into no_index_tab set a = 'foo', b = 1;
select event_name,
left(source, locate(":", source)) as short_source,
operation, number_of_bytes,
substring(object_name, locate("no_index_tab", object_name)) as short_name
from performance_schema.EVENTS_WAITS_HISTORY_LONG
where operation not like "tell"
order by thread_id, event_id;
event_name short_source operation number_of_bytes short_name
wait/io/file/myisam/kfile mi_create.c: create NULL no_index_tab.MYI
wait/io/file/myisam/dfile mi_create.c: create NULL no_index_tab.MYD
wait/io/file/myisam/kfile mi_open.c: write 176 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: write 100 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI
wait/io/file/myisam/kfile mi_create.c: chsize 1024 no_index_tab.MYI
wait/io/file/myisam/dfile mi_create.c: close NULL no_index_tab.MYD
wait/io/file/myisam/kfile mi_create.c: close NULL no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: open NULL no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: read 24 no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: seek NULL no_index_tab.MYI
wait/io/file/myisam/kfile mi_open.c: read 297 no_index_tab.MYI
wait/io/file/myisam/dfile mi_open.c: open NULL no_index_tab.MYD
wait/io/file/myisam/kfile mi_locking.c: write 3 no_index_tab.MYI
wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD
wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI
show status like 'performance_schema_%';
Variable_name Value
Performance_schema_cond_classes_lost 0
Performance_schema_cond_instances_lost 0
Performance_schema_file_classes_lost 0
Performance_schema_file_handles_lost 0
Performance_schema_file_instances_lost 0
Performance_schema_locker_lost 0
Performance_schema_mutex_classes_lost 0
Performance_schema_mutex_instances_lost 0
Performance_schema_rwlock_classes_lost 0
Performance_schema_rwlock_instances_lost 0
Performance_schema_table_handles_lost 0
Performance_schema_table_instances_lost 0
Performance_schema_thread_classes_lost 0
Performance_schema_thread_instances_lost 0
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
drop table test.no_index_tab;
update performance_schema.SETUP_INSTRUMENTS set enabled='NO';
update performance_schema.SETUP_CONSUMERS set enabled='YES';
update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";
drop table if exists test.t1;
truncate table performance_schema.EVENTS_WAITS_CURRENT;
truncate table performance_schema.EVENTS_WAITS_HISTORY;
truncate table performance_schema.EVENTS_WAITS_HISTORY_LONG;
show variables like "thread_handling";
Variable_name Value
thread_handling no-threads
create table test.t1(a int) engine=MYISAM;
show variables like "performance_schema";
Variable_name Value
performance_schema ON
show variables like "performance_schema_max_thread%";
Variable_name Value
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 10
select count(*) from performance_schema.PROCESSLIST
where name like "thread/sql/main";
count(*)
1
select count(*) from performance_schema.PROCESSLIST
where name like "thread/sql/OneConnection";
count(*)
0
select event_name, operation,
left(source, locate(":", source)) as short_source
from performance_schema.EVENTS_WAITS_CURRENT;
event_name operation short_source
wait/synch/mutex/mysys/THR_LOCK_myisam lock mi_create.c:
select event_name, operation,
left(source, locate(":", source)) as short_source
from performance_schema.EVENTS_WAITS_HISTORY;
event_name operation short_source
wait/synch/mutex/mysys/THR_LOCK_myisam lock mi_create.c:
select event_name, operation,
left(source, locate(":", source)) as short_source
from performance_schema.EVENTS_WAITS_HISTORY_LONG;
event_name operation short_source
wait/synch/mutex/mysys/THR_LOCK_myisam lock mi_create.c:
drop table test.t1;
update performance_schema.SETUP_INSTRUMENTS set enabled='YES'
where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";
drop table if exists test.t1;
drop table if exists test.t2;
drop table if exists test.t3;
truncate table performance_schema.EVENTS_WAITS_HISTORY_LONG;
show variables like "thread_handling";
Variable_name Value
thread_handling one-thread-per-connection
"----------------- Connection 1"
create table test.t1(a int) engine=MYISAM;
"----------------- Connection 2"
create table test.t2(a int) engine=MYISAM;
"----------------- Connection 3"
create table test.t3(a int) engine=MYISAM;
"----------------- Connection default"
execute stmt_dump_events using @tid;
event_name short_source operation number_of_bytes
wait/synch/mutex/mysys/THR_LOCK_myisam mi_create.c: lock NULL
execute stmt_dump_thread using @tid;
name
thread/sql/one_connection
execute stmt_dump_events using @tid;
event_name short_source operation number_of_bytes
wait/synch/mutex/mysys/THR_LOCK_myisam mi_create.c: lock NULL
execute stmt_dump_thread using @tid;
name
thread/sql/one_connection
execute stmt_dump_events using @tid;
event_name short_source operation number_of_bytes
wait/synch/mutex/mysys/THR_LOCK_myisam mi_create.c: lock NULL
execute stmt_dump_thread using @tid;
name
thread/sql/one_connection
drop table test.t1;
drop table test.t2;
drop table test.t3;
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
This diff is collapsed.
drop table if exists t1;
create table t1 (a int not null);
insert into t1 values (1), (2), (3);
SET GLOBAL query_cache_size=1355776;
flush query cache;
reset query cache;
select * from t1;
a
1
2
3
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
select * from t1;
a
1
2
3
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
select spins from performance_schema.EVENTS_WAITS_CURRENT order by event_name limit 1;
spins
NULL
select name from performance_schema.SETUP_INSTRUMENTS order by name limit 1;
name
wait/io/file/csv/data
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
select spins from performance_schema.EVENTS_WAITS_CURRENT order by event_name limit 1;
spins
NULL
select name from performance_schema.SETUP_INSTRUMENTS order by name limit 1;
name
wait/io/file/csv/data
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
SET GLOBAL query_cache_size= default;
drop table t1;
use performance_schema;
set @start_read_only= @@global.read_only;
grant SELECT, UPDATE on performance_schema.* to pfsuser@localhost;
flush privileges;
connect (con1, localhost, pfsuser, , test);
connection default;
set global read_only=0;
connection con1;
select @@global.read_only;
@@global.read_only
0
show grants;
Grants for pfsuser@localhost
GRANT USAGE ON *.* TO 'pfsuser'@'localhost'
GRANT SELECT, UPDATE ON `performance_schema`.* TO 'pfsuser'@'localhost'
select * from performance_schema.SETUP_INSTRUMENTS;
update performance_schema.SETUP_INSTRUMENTS set enabled='NO';
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
connection default;
set global read_only=1;
connection con1;
select @@global.read_only;
@@global.read_only
1
show grants;
Grants for pfsuser@localhost
GRANT USAGE ON *.* TO 'pfsuser'@'localhost'
GRANT SELECT, UPDATE ON `performance_schema`.* TO 'pfsuser'@'localhost'
select * from performance_schema.SETUP_INSTRUMENTS;
update performance_schema.SETUP_INSTRUMENTS set enabled='NO';
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
connection default;
grant super on *.* to pfsuser@localhost;
flush privileges;
connect (con1, localhost, pfsuser, , test);
select @@global.read_only;
@@global.read_only
1
show grants;
Grants for pfsuser@localhost
GRANT SUPER ON *.* TO 'pfsuser'@'localhost'
GRANT SELECT, UPDATE ON `performance_schema`.* TO 'pfsuser'@'localhost'
select * from performance_schema.SETUP_INSTRUMENTS;
update performance_schema.SETUP_INSTRUMENTS set enabled='NO';
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
connection default;
set global read_only= @start_read_only;
drop user pfsuser@localhost;
flush privileges;
show databases;
Database
information_schema
mtr
mysql
performance_schema
test
use performance_schema;
show tables;
Tables_in_performance_schema
COND_INSTANCES
EVENTS_WAITS_CURRENT
EVENTS_WAITS_HISTORY
EVENTS_WAITS_HISTORY_LONG
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
EVENTS_WAITS_SUMMARY_BY_INSTANCE
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME
FILE_INSTANCES
FILE_SUMMARY_BY_EVENT_NAME
FILE_SUMMARY_BY_INSTANCE
MUTEX_INSTANCES
PERFORMANCE_TIMERS
PROCESSLIST
RWLOCK_INSTANCES
SETUP_CONSUMERS
SETUP_INSTRUMENTS
SETUP_OBJECTS
SETUP_TIMERS
show create table COND_INSTANCES;
Table Create Table
COND_INSTANCES CREATE TABLE `COND_INSTANCES` (
`NAME` varchar(128) NOT NULL,
`OBJECT_INSTANCE_BEGIN` bigint(20) NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table EVENTS_WAITS_CURRENT;
Table Create Table
EVENTS_WAITS_CURRENT CREATE TABLE `EVENTS_WAITS_CURRENT` (
`THREAD_ID` int(11) NOT NULL,
`EVENT_ID` bigint(20) unsigned NOT NULL,
`EVENT_NAME` varchar(128) NOT NULL,
`SOURCE` varchar(64) DEFAULT NULL,
`TIMER_START` bigint(20) unsigned DEFAULT NULL,
`TIMER_END` bigint(20) unsigned DEFAULT NULL,
`TIMER_WAIT` bigint(20) unsigned DEFAULT NULL,
`SPINS` int(10) unsigned DEFAULT NULL,
`OBJECT_SCHEMA` varchar(64) DEFAULT NULL,
`OBJECT_NAME` varchar(512) DEFAULT NULL,
`OBJECT_TYPE` varchar(64) DEFAULT NULL,
`OBJECT_INSTANCE_BEGIN` bigint(20) NOT NULL,
`NESTING_EVENT_ID` bigint(20) unsigned DEFAULT NULL,
`OPERATION` varchar(16) NOT NULL,
`NUMBER_OF_BYTES` bigint(20) unsigned DEFAULT NULL,
`FLAGS` int(10) unsigned DEFAULT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table EVENTS_WAITS_HISTORY;
Table Create Table
EVENTS_WAITS_HISTORY CREATE TABLE `EVENTS_WAITS_HISTORY` (
`THREAD_ID` int(11) NOT NULL,
`EVENT_ID` bigint(20) unsigned NOT NULL,
`EVENT_NAME` varchar(128) NOT NULL,
`SOURCE` varchar(64) DEFAULT NULL,
`TIMER_START` bigint(20) unsigned DEFAULT NULL,
`TIMER_END` bigint(20) unsigned DEFAULT NULL,
`TIMER_WAIT` bigint(20) unsigned DEFAULT NULL,
`SPINS` int(10) unsigned DEFAULT NULL,
`OBJECT_SCHEMA` varchar(64) DEFAULT NULL,
`OBJECT_NAME` varchar(512) DEFAULT NULL,
`OBJECT_TYPE` varchar(64) DEFAULT NULL,
`OBJECT_INSTANCE_BEGIN` bigint(20) NOT NULL,
`NESTING_EVENT_ID` bigint(20) unsigned DEFAULT NULL,
`OPERATION` varchar(16) NOT NULL,
`NUMBER_OF_BYTES` bigint(20) unsigned DEFAULT NULL,
`FLAGS` int(10) unsigned DEFAULT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table EVENTS_WAITS_HISTORY_LONG;
Table Create Table
EVENTS_WAITS_HISTORY_LONG CREATE TABLE `EVENTS_WAITS_HISTORY_LONG` (
`THREAD_ID` int(11) NOT NULL,
`EVENT_ID` bigint(20) unsigned NOT NULL,
`EVENT_NAME` varchar(128) NOT NULL,
`SOURCE` varchar(64) DEFAULT NULL,
`TIMER_START` bigint(20) unsigned DEFAULT NULL,
`TIMER_END` bigint(20) unsigned DEFAULT NULL,
`TIMER_WAIT` bigint(20) unsigned DEFAULT NULL,
`SPINS` int(10) unsigned DEFAULT NULL,
`OBJECT_SCHEMA` varchar(64) DEFAULT NULL,
`OBJECT_NAME` varchar(512) DEFAULT NULL,
`OBJECT_TYPE` varchar(64) DEFAULT NULL,
`OBJECT_INSTANCE_BEGIN` bigint(20) NOT NULL,
`NESTING_EVENT_ID` bigint(20) unsigned DEFAULT NULL,
`OPERATION` varchar(16) NOT NULL,
`NUMBER_OF_BYTES` bigint(20) unsigned DEFAULT NULL,
`FLAGS` int(10) unsigned DEFAULT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
Table Create Table
EVENTS_WAITS_SUMMARY_BY_EVENT_NAME CREATE TABLE `EVENTS_WAITS_SUMMARY_BY_EVENT_NAME` (
`EVENT_NAME` varchar(128) NOT NULL,
`COUNT_STAR` bigint(20) unsigned NOT NULL,
`SUM_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`MIN_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`AVG_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`MAX_TIMER_WAIT` bigint(20) unsigned NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table EVENTS_WAITS_SUMMARY_BY_INSTANCE;
Table Create Table
EVENTS_WAITS_SUMMARY_BY_INSTANCE CREATE TABLE `EVENTS_WAITS_SUMMARY_BY_INSTANCE` (
`EVENT_NAME` varchar(128) NOT NULL,
`OBJECT_INSTANCE_BEGIN` bigint(20) NOT NULL,
`COUNT_STAR` bigint(20) unsigned NOT NULL,
`SUM_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`MIN_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`AVG_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`MAX_TIMER_WAIT` bigint(20) unsigned NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
Table Create Table
EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME CREATE TABLE `EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME` (
`THREAD_ID` int(11) NOT NULL,
`EVENT_NAME` varchar(128) NOT NULL,
`COUNT_STAR` bigint(20) unsigned NOT NULL,
`SUM_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`MIN_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`AVG_TIMER_WAIT` bigint(20) unsigned NOT NULL,
`MAX_TIMER_WAIT` bigint(20) unsigned NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table FILE_INSTANCES;
Table Create Table
FILE_INSTANCES CREATE TABLE `FILE_INSTANCES` (
`FILE_NAME` varchar(512) NOT NULL,
`EVENT_NAME` varchar(128) NOT NULL,
`OPEN_COUNT` int(10) unsigned NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table FILE_SUMMARY_BY_EVENT_NAME;
Table Create Table
FILE_SUMMARY_BY_EVENT_NAME CREATE TABLE `FILE_SUMMARY_BY_EVENT_NAME` (
`EVENT_NAME` varchar(128) NOT NULL,
`COUNT_READ` bigint(20) unsigned NOT NULL,
`COUNT_WRITE` bigint(20) unsigned NOT NULL,
`SUM_NUMBER_OF_BYTES_READ` bigint(20) unsigned NOT NULL,
`SUM_NUMBER_OF_BYTES_WRITE` bigint(20) unsigned NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table FILE_SUMMARY_BY_INSTANCE;
Table Create Table
FILE_SUMMARY_BY_INSTANCE CREATE TABLE `FILE_SUMMARY_BY_INSTANCE` (
`FILE_NAME` varchar(512) NOT NULL,
`EVENT_NAME` varchar(128) NOT NULL,
`COUNT_READ` bigint(20) unsigned NOT NULL,
`COUNT_WRITE` bigint(20) unsigned NOT NULL,
`SUM_NUMBER_OF_BYTES_READ` bigint(20) unsigned NOT NULL,
`SUM_NUMBER_OF_BYTES_WRITE` bigint(20) unsigned NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table MUTEX_INSTANCES;
Table Create Table
MUTEX_INSTANCES CREATE TABLE `MUTEX_INSTANCES` (
`NAME` varchar(128) NOT NULL,
`OBJECT_INSTANCE_BEGIN` bigint(20) NOT NULL,
`LOCKED_BY_THREAD_ID` int(11) DEFAULT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table PERFORMANCE_TIMERS;
Table Create Table
PERFORMANCE_TIMERS CREATE TABLE `PERFORMANCE_TIMERS` (
`TIMER_NAME` enum('CYCLE','NANOSECOND','MICROSECOND','MILLISECOND','TICK') NOT NULL,
`TIMER_FREQUENCY` bigint(20) DEFAULT NULL,
`TIMER_RESOLUTION` bigint(20) DEFAULT NULL,
`TIMER_OVERHEAD` bigint(20) DEFAULT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table PROCESSLIST;
Table Create Table
PROCESSLIST CREATE TABLE `PROCESSLIST` (
`THREAD_ID` int(11) NOT NULL,
`ID` int(11) NOT NULL,
`NAME` varchar(64) NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table RWLOCK_INSTANCES;
Table Create Table
RWLOCK_INSTANCES CREATE TABLE `RWLOCK_INSTANCES` (
`NAME` varchar(128) NOT NULL,
`OBJECT_INSTANCE_BEGIN` bigint(20) NOT NULL,
`WRITE_LOCKED_BY_THREAD_ID` int(11) DEFAULT NULL,
`READ_LOCKED_BY_COUNT` int(10) unsigned NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table SETUP_CONSUMERS;
Table Create Table
SETUP_CONSUMERS CREATE TABLE `SETUP_CONSUMERS` (
`NAME` varchar(64) NOT NULL,
`ENABLED` enum('YES','NO') NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table SETUP_INSTRUMENTS;
Table Create Table
SETUP_INSTRUMENTS CREATE TABLE `SETUP_INSTRUMENTS` (
`NAME` varchar(128) NOT NULL,
`ENABLED` enum('YES','NO') NOT NULL,
`TIMED` enum('YES','NO') NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table SETUP_OBJECTS;
Table Create Table
SETUP_OBJECTS CREATE TABLE `SETUP_OBJECTS` (
`OBJECT_TYPE` varchar(64) DEFAULT NULL,
`OBJECT_SCHEMA` varchar(64) DEFAULT NULL,
`OBJECT_NAME` varchar(64) DEFAULT NULL,
`ENABLED` enum('YES','NO') NOT NULL,
`TIMED` enum('YES','NO') NOT NULL,
`AGGREGATED` enum('YES','NO') NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
show create table SETUP_TIMERS;
Table Create Table
SETUP_TIMERS CREATE TABLE `SETUP_TIMERS` (
`NAME` varchar(64) NOT NULL,
`TIMER_NAME` enum('CYCLE','NANOSECOND','MICROSECOND','MILLISECOND','TICK') NOT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES', timed = 'YES';
DROP TABLE IF EXISTS t1;
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);
SELECT OPERATION, SUM(NUMBER_OF_BYTES) AS TOTAL
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
GROUP BY OPERATION
HAVING TOTAL IS NOT NULL
ORDER BY OPERATION
LIMIT 1;
OPERATION TOTAL
chsize [NUM_BYTES]
SELECT EVENT_ID FROM performance_schema.EVENTS_WAITS_CURRENT
WHERE THREAD_ID IN
(SELECT THREAD_ID FROM performance_schema.PROCESSLIST)
AND EVENT_NAME IN
(SELECT NAME FROM performance_schema.SETUP_INSTRUMENTS
WHERE NAME LIKE "wait/synch/%")
LIMIT 1;
EVENT_ID
[EVENT_ID]
SELECT DISTINCT EVENT_ID
FROM performance_schema.EVENTS_WAITS_CURRENT
JOIN performance_schema.EVENTS_WAITS_HISTORY USING (EVENT_ID)
JOIN performance_schema.EVENTS_WAITS_HISTORY_LONG USING (EVENT_ID)
ORDER BY EVENT_ID
LIMIT 1;
EVENT_ID
[EVENT_ID]
SELECT t1.THREAD_ID, t2.EVENT_ID, t3.EVENT_NAME, t4.TIMER_WAIT
FROM performance_schema.EVENTS_WAITS_HISTORY t1
JOIN performance_schema.EVENTS_WAITS_HISTORY t2 USING (EVENT_ID)
JOIN performance_schema.EVENTS_WAITS_HISTORY t3 ON (t2.THREAD_ID = t3.THREAD_ID)
JOIN performance_schema.EVENTS_WAITS_HISTORY t4 ON (t3.EVENT_NAME = t4.EVENT_NAME)
ORDER BY t1.EVENT_ID, t2.EVENT_ID
LIMIT 5;
THREAD_ID EVENT_ID EVENT_NAME TIMER_WAIT
[THREAD_ID] [EVENT_ID] [EVENT_NAME] [TIMER_WAIT]
[THREAD_ID] [EVENT_ID] [EVENT_NAME] [TIMER_WAIT]
[THREAD_ID] [EVENT_ID] [EVENT_NAME] [TIMER_WAIT]
[THREAD_ID] [EVENT_ID] [EVENT_NAME] [TIMER_WAIT]
[THREAD_ID] [EVENT_ID] [EVENT_NAME] [TIMER_WAIT]
SELECT THREAD_ID, EVENT_ID FROM (
SELECT THREAD_ID, EVENT_ID FROM performance_schema.EVENTS_WAITS_CURRENT
UNION
SELECT THREAD_ID, EVENT_ID FROM performance_schema.EVENTS_WAITS_HISTORY
UNION
SELECT THREAD_ID, EVENT_ID FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
) t1 ORDER BY THREAD_ID, EVENT_ID
LIMIT 5;
THREAD_ID EVENT_ID
[THREAD_ID] [EVENT_ID]
[THREAD_ID] [EVENT_ID]
[THREAD_ID] [EVENT_ID]
[THREAD_ID] [EVENT_ID]
[THREAD_ID] [EVENT_ID]
CREATE EVENT t_ps_event
ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 SECOND
DO SELECT DISTINCT EVENT_ID
FROM performance_schema.EVENTS_WAITS_CURRENT
JOIN performance_schema.EVENTS_WAITS_HISTORY USING (EVENT_ID)
ORDER BY EVENT_ID
LIMIT 1;
ALTER TABLE t1 ADD COLUMN c INT;
CREATE TRIGGER t_ps_trigger BEFORE INSERT ON t1
FOR EACH ROW BEGIN
SET NEW.c = (SELECT MAX(EVENT_ID)
FROM performance_schema.EVENTS_WAITS_CURRENT);
END;
|
INSERT INTO t1 (id) VALUES (11), (12), (13);
SELECT id, c FROM t1 WHERE id > 10 ORDER BY c;
id c
11 [EVENT_ID]
12 [EVENT_ID]
13 [EVENT_ID]
DROP TRIGGER t_ps_trigger;
CREATE PROCEDURE t_ps_proc(IN tid INT, OUT pid INT)
BEGIN
SELECT id FROM performance_schema.PROCESSLIST
WHERE THREAD_ID = tid INTO pid;
END;
|
CALL t_ps_proc(0, @p_id);
CREATE FUNCTION t_ps_func(tid INT) RETURNS int
BEGIN
return (SELECT id FROM performance_schema.PROCESSLIST
WHERE THREAD_ID = tid);
END;
|
SELECT t_ps_func(0) = @p_id;
t_ps_func(0) = @p_id
1
DROP PROCEDURE t_ps_proc;
DROP FUNCTION t_ps_func;
DROP TABLE t1;
use performance_schema;
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_threads";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_malloc";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_open";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_isam";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_heap";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_net";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_charset";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/mysys/THR_LOCK_time";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/mysys/THR_COND_threads";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_mysql_create_db";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_open";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_lock_db";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_thread_count";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_mapped_file";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_status";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_error_log";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_delayed_insert";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_uuid_generator";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_delayed_status";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_delayed_create";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_crypt";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_slave_list";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_active_mi";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_manager";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_global_read_lock";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_global_system_variables";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_user_conn";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_prepared_stmt_count";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_connection_count";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_server_started";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_rpl_status";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOG_INFO::lock";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/Query_cache::structure_guard_mutex";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/Event_scheduler::LOCK_scheduler_state";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_event_metadata";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_event_queue";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_user_locks";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/Cversion_lock";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_xid_cache";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_plugin";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/LOCK_gdl";
count(name)
1
select count(name) from MUTEX_INSTANCES
where name like "wait/synch/mutex/sql/tz_LOCK";
count(name)
1
select count(name) from RWLOCK_INSTANCES
where name like "wait/synch/rwlock/sql/LOCK_grant";
count(name)
1
select count(name) from RWLOCK_INSTANCES
where name like "wait/synch/rwlock/sql/LOCK_sys_init_connect";
count(name)
1
select count(name) from RWLOCK_INSTANCES
where name like "wait/synch/rwlock/sql/LOCK_sys_init_slave";
count(name)
1
select count(name) from RWLOCK_INSTANCES
where name like "wait/synch/rwlock/sql/LOCK_system_variables_hash";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_server_started";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_refresh";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_thread_count";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_manager";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_global_read_lock";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_thread_cache";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_flush_thread_cache";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_rpl_status";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/Query_cache::COND_cache_status_changed";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/Event_scheduler::COND_state";
count(name)
1
select count(name) from COND_INSTANCES
where name like "wait/synch/cond/sql/COND_queue_state";
count(name)
1
show databases;
Database
information_schema
mtr
mysql
performance_schema
test
select count(*) from performance_schema.PERFORMANCE_TIMERS;
count(*)
5
select count(*) from performance_schema.SETUP_CONSUMERS;
count(*)
8
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
select count(*) from performance_schema.SETUP_TIMERS;
count(*)
1
select * from performance_schema.COND_INSTANCES;
select * from performance_schema.EVENTS_WAITS_CURRENT;
select * from performance_schema.EVENTS_WAITS_HISTORY;
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
select * from performance_schema.FILE_INSTANCES;
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
select * from performance_schema.MUTEX_INSTANCES;
select * from performance_schema.PERFORMANCE_TIMERS;
select * from performance_schema.PROCESSLIST;
select * from performance_schema.RWLOCK_INSTANCES;
select * from performance_schema.SETUP_CONSUMERS;
select * from performance_schema.SETUP_INSTRUMENTS;
select * from performance_schema.SETUP_OBJECTS;
select * from performance_schema.SETUP_TIMERS;
show variables like "performance_schema%";
Variable_name Value
performance_schema ON
performance_schema_events_waits_history_long_size 10000
performance_schema_events_waits_history_size 10
performance_schema_max_cond_classes 0
performance_schema_max_cond_instances 1000
performance_schema_max_file_classes 50
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 10000
performance_schema_max_mutex_classes 200
performance_schema_max_mutex_instances 1000
performance_schema_max_rwlock_classes 20
performance_schema_max_rwlock_instances 1000
performance_schema_max_table_handles 100000
performance_schema_max_table_instances 50000
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 1000
show engine PERFORMANCE_SCHEMA status;
show status like "performance_schema%";
show variables like "performance_schema_max_cond_classes";
Variable_name Value
performance_schema_max_cond_classes 0
select count(*) from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/cond/%";
count(*)
0
select variable_value > 0 from information_schema.global_status
where variable_name like 'PERFORMANCE_SCHEMA_COND_CLASSES_LOST';
variable_value > 0
1
select count(*) from performance_schema.COND_INSTANCES;
count(*)
0
show status like "performance_schema_cond_instances_lost";
Variable_name Value
Performance_schema_cond_instances_lost 0
show databases;
Database
information_schema
mtr
mysql
performance_schema
test
select count(*) from performance_schema.PERFORMANCE_TIMERS;
count(*)
5
select count(*) from performance_schema.SETUP_CONSUMERS;
count(*)
8
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
select count(*) from performance_schema.SETUP_TIMERS;
count(*)
1
select * from performance_schema.COND_INSTANCES;
select * from performance_schema.EVENTS_WAITS_CURRENT;
select * from performance_schema.EVENTS_WAITS_HISTORY;
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
select * from performance_schema.FILE_INSTANCES;
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
select * from performance_schema.MUTEX_INSTANCES;
select * from performance_schema.PERFORMANCE_TIMERS;
select * from performance_schema.PROCESSLIST;
select * from performance_schema.RWLOCK_INSTANCES;
select * from performance_schema.SETUP_CONSUMERS;
select * from performance_schema.SETUP_INSTRUMENTS;
select * from performance_schema.SETUP_OBJECTS;
select * from performance_schema.SETUP_TIMERS;
show variables like "performance_schema%";
Variable_name Value
performance_schema ON
performance_schema_events_waits_history_long_size 10000
performance_schema_events_waits_history_size 10
performance_schema_max_cond_classes 80
performance_schema_max_cond_instances 0
performance_schema_max_file_classes 50
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 10000
performance_schema_max_mutex_classes 200
performance_schema_max_mutex_instances 1000
performance_schema_max_rwlock_classes 20
performance_schema_max_rwlock_instances 1000
performance_schema_max_table_handles 100000
performance_schema_max_table_instances 50000
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 1000
show engine PERFORMANCE_SCHEMA status;
show status like "performance_schema%";
show variables like "performance_schema_max_cond_classes";
Variable_name Value
performance_schema_max_cond_classes 80
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/cond/%";
count(*) > 0
1
show status like "performance_schema_cond_classes_lost";
Variable_name Value
Performance_schema_cond_classes_lost 0
show variables like "performance_schema_max_cond_instances";
Variable_name Value
performance_schema_max_cond_instances 0
select count(*) from performance_schema.COND_INSTANCES;
count(*)
0
select variable_value > 0 from information_schema.global_status
where variable_name like 'PERFORMANCE_SCHEMA_COND_INSTANCES_LOST';
variable_value > 0
1
show databases;
Database
information_schema
mtr
mysql
performance_schema
test
select count(*) from performance_schema.PERFORMANCE_TIMERS;
count(*)
5
select count(*) from performance_schema.SETUP_CONSUMERS;
count(*)
8
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
select count(*) from performance_schema.SETUP_TIMERS;
count(*)
1
select * from performance_schema.COND_INSTANCES;
select * from performance_schema.EVENTS_WAITS_CURRENT;
select * from performance_schema.EVENTS_WAITS_HISTORY;
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
select * from performance_schema.FILE_INSTANCES;
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
select * from performance_schema.MUTEX_INSTANCES;
select * from performance_schema.PERFORMANCE_TIMERS;
select * from performance_schema.PROCESSLIST;
select * from performance_schema.RWLOCK_INSTANCES;
select * from performance_schema.SETUP_CONSUMERS;
select * from performance_schema.SETUP_INSTRUMENTS;
select * from performance_schema.SETUP_OBJECTS;
select * from performance_schema.SETUP_TIMERS;
show variables like "performance_schema%";
Variable_name Value
performance_schema ON
performance_schema_events_waits_history_long_size 10000
performance_schema_events_waits_history_size 10
performance_schema_max_cond_classes 80
performance_schema_max_cond_instances 1000
performance_schema_max_file_classes 0
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 10000
performance_schema_max_mutex_classes 200
performance_schema_max_mutex_instances 1000
performance_schema_max_rwlock_classes 20
performance_schema_max_rwlock_instances 1000
performance_schema_max_table_handles 100000
performance_schema_max_table_instances 50000
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 1000
show engine PERFORMANCE_SCHEMA status;
show status like "performance_schema%";
show variables like "performance_schema_max_file_classes";
Variable_name Value
performance_schema_max_file_classes 0
select count(*) from performance_schema.SETUP_INSTRUMENTS
where name like "wait/io/file/%";
count(*)
0
select variable_value > 0 from information_schema.global_status
where variable_name like 'PERFORMANCE_SCHEMA_FILE_CLASSES_LOST';
variable_value > 0
1
select count(*) from performance_schema.FILE_INSTANCES;
count(*)
0
show status like "performance_schema_file_instances_lost";
Variable_name Value
Performance_schema_file_instances_lost 0
show databases;
Database
information_schema
mtr
mysql
performance_schema
test
select count(*) from performance_schema.PERFORMANCE_TIMERS;
count(*)
5
select count(*) from performance_schema.SETUP_CONSUMERS;
count(*)
8
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
select count(*) from performance_schema.SETUP_TIMERS;
count(*)
1
select * from performance_schema.COND_INSTANCES;
select * from performance_schema.EVENTS_WAITS_CURRENT;
select * from performance_schema.EVENTS_WAITS_HISTORY;
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
select * from performance_schema.FILE_INSTANCES;
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
select * from performance_schema.MUTEX_INSTANCES;
select * from performance_schema.PERFORMANCE_TIMERS;
select * from performance_schema.PROCESSLIST;
select * from performance_schema.RWLOCK_INSTANCES;
select * from performance_schema.SETUP_CONSUMERS;
select * from performance_schema.SETUP_INSTRUMENTS;
select * from performance_schema.SETUP_OBJECTS;
select * from performance_schema.SETUP_TIMERS;
show variables like "performance_schema%";
Variable_name Value
performance_schema ON
performance_schema_events_waits_history_long_size 10000
performance_schema_events_waits_history_size 10
performance_schema_max_cond_classes 80
performance_schema_max_cond_instances 1000
performance_schema_max_file_classes 50
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 0
performance_schema_max_mutex_classes 200
performance_schema_max_mutex_instances 1000
performance_schema_max_rwlock_classes 20
performance_schema_max_rwlock_instances 1000
performance_schema_max_table_handles 100000
performance_schema_max_table_instances 50000
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 1000
show engine PERFORMANCE_SCHEMA status;
show status like "performance_schema%";
show variables like "performance_schema_max_file_classes";
Variable_name Value
performance_schema_max_file_classes 50
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS
where name like "wait/io/file/%";
count(*) > 0
1
show status like "performance_schema_file_classes_lost";
Variable_name Value
Performance_schema_file_classes_lost 0
show variables like "performance_schema_max_file_instances";
Variable_name Value
performance_schema_max_file_instances 0
select count(*) from performance_schema.FILE_INSTANCES;
count(*)
0
select variable_value > 0 from information_schema.global_status
where variable_name like 'PERFORMANCE_SCHEMA_FILE_INSTANCES_LOST';
variable_value > 0
1
show databases;
Database
information_schema
mtr
mysql
performance_schema
test
select count(*) from performance_schema.PERFORMANCE_TIMERS;
count(*)
5
select count(*) from performance_schema.SETUP_CONSUMERS;
count(*)
8
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
select count(*) from performance_schema.SETUP_TIMERS;
count(*)
1
select * from performance_schema.COND_INSTANCES;
select * from performance_schema.EVENTS_WAITS_CURRENT;
select * from performance_schema.EVENTS_WAITS_HISTORY;
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
select * from performance_schema.FILE_INSTANCES;
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
select * from performance_schema.MUTEX_INSTANCES;
select * from performance_schema.PERFORMANCE_TIMERS;
select * from performance_schema.PROCESSLIST;
select * from performance_schema.RWLOCK_INSTANCES;
select * from performance_schema.SETUP_CONSUMERS;
select * from performance_schema.SETUP_INSTRUMENTS;
select * from performance_schema.SETUP_OBJECTS;
select * from performance_schema.SETUP_TIMERS;
show variables like "performance_schema%";
Variable_name Value
performance_schema ON
performance_schema_events_waits_history_long_size 10000
performance_schema_events_waits_history_size 10
performance_schema_max_cond_classes 80
performance_schema_max_cond_instances 1000
performance_schema_max_file_classes 50
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 10000
performance_schema_max_mutex_classes 0
performance_schema_max_mutex_instances 1000
performance_schema_max_rwlock_classes 20
performance_schema_max_rwlock_instances 1000
performance_schema_max_table_handles 100000
performance_schema_max_table_instances 50000
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 1000
show engine PERFORMANCE_SCHEMA status;
show status like "performance_schema%";
show variables like "performance_schema_max_mutex_classes";
Variable_name Value
performance_schema_max_mutex_classes 0
select count(*) from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/mutex/%";
count(*)
0
select variable_value > 0 from information_schema.global_status
where variable_name like 'PERFORMANCE_SCHEMA_MUTEX_CLASSES_LOST';
variable_value > 0
1
select count(*) from performance_schema.MUTEX_INSTANCES;
count(*)
0
show status like "performance_schema_mutex_instances_lost";
Variable_name Value
Performance_schema_mutex_instances_lost 0
show databases;
Database
information_schema
mtr
mysql
performance_schema
test
select count(*) from performance_schema.PERFORMANCE_TIMERS;
count(*)
5
select count(*) from performance_schema.SETUP_CONSUMERS;
count(*)
8
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
count(*) > 0
1
select count(*) from performance_schema.SETUP_TIMERS;
count(*)
1
select * from performance_schema.COND_INSTANCES;
select * from performance_schema.EVENTS_WAITS_CURRENT;
select * from performance_schema.EVENTS_WAITS_HISTORY;
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
select * from performance_schema.FILE_INSTANCES;
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
select * from performance_schema.MUTEX_INSTANCES;
select * from performance_schema.PERFORMANCE_TIMERS;
select * from performance_schema.PROCESSLIST;
select * from performance_schema.RWLOCK_INSTANCES;
select * from performance_schema.SETUP_CONSUMERS;
select * from performance_schema.SETUP_INSTRUMENTS;
select * from performance_schema.SETUP_OBJECTS;
select * from performance_schema.SETUP_TIMERS;
show variables like "performance_schema%";
Variable_name Value
performance_schema ON
performance_schema_events_waits_history_long_size 10000
performance_schema_events_waits_history_size 10
performance_schema_max_cond_classes 80
performance_schema_max_cond_instances 1000
performance_schema_max_file_classes 50
performance_schema_max_file_handles 32768
performance_schema_max_file_instances 10000
performance_schema_max_mutex_classes 200
performance_schema_max_mutex_instances 0
performance_schema_max_rwlock_classes 20
performance_schema_max_rwlock_instances 1000
performance_schema_max_table_handles 100000
performance_schema_max_table_instances 50000
performance_schema_max_thread_classes 50
performance_schema_max_thread_instances 1000
show engine PERFORMANCE_SCHEMA status;
show status like "performance_schema%";
show variables like "performance_schema_max_mutex_classes";
Variable_name Value
performance_schema_max_mutex_classes 200
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS
where name like "wait/synch/mutex/%";
count(*) > 0
1
show status like "performance_schema_mutex_classes_lost";
Variable_name Value
Performance_schema_mutex_classes_lost 0
show variables like "performance_schema_max_mutex_instances";
Variable_name Value
performance_schema_max_mutex_instances 0
select count(*) from performance_schema.MUTEX_INSTANCES;
count(*)
0
select variable_value > 0 from information_schema.global_status
where variable_name like 'PERFORMANCE_SCHEMA_MUTEX_INSTANCES_LOST';
variable_value > 0
1
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call mtr.add_suppression(
"Column count of mysql.SETUP_INSTRUMENTS is wrong. "
"Expected 4, found 3. The table is probably corrupted");
select * from performance_schema.SETUP_INSTRUMENTS limit 1;
ERROR HY000: Native table 'performance_schema'.'SETUP_INSTRUMENTS' has the wrong structure
select * from performance_schema.SETUP_CONSUMERS limit 1;
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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/have_log_bin.inc
--source include/not_embedded.inc
--source include/have_perfschema.inc
# See Bug#46896 binlog: case sensitivity of table names
--source include/have_lowercase0.inc
set binlog_format=mixed;
--source ../include/binlog_common.inc
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