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/* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/*
* View: processlist
*
* A detailed non-blocking processlist view to replace
* [INFORMATION_SCHEMA. | SHOW FULL] PROCESSLIST
*
* mysql> select * from processlist where conn_id is not null\G
* ...
* *************************** 8. row ***************************
* thd_id: 12400
* conn_id: 12379
* user: root@localhost
* db: ps_helper
* command: Query
* state: Copying to tmp table
* time: 0
* current_statement: select * from processlist_full where conn_id is not null
* last_statement: NULL
* last_statement_latency: NULL
* lock_latency: 1.00 ms
* rows_examined: 0
* rows_sent: 0
* rows_affected: 0
* tmp_tables: 1
* tmp_disk_tables: 0
* full_scan: YES
* last_wait: wait/synch/mutex/sql/THD::LOCK_thd_data
* last_wait_latency: 62.53 ns
* source: sql_class.h:3843
*
*/
CREATE OR REPLACE
ALGORITHM = TEMPTABLE
DEFINER = 'root'@'localhost'
SQL SECURITY INVOKER
VIEW processlist (
thd_id,
conn_id,
user,
db,
command,
state,
time,
current_statement,
lock_latency,
rows_examined,
rows_sent,
rows_affected,
tmp_tables,
tmp_disk_tables,
full_scan,
last_statement,
last_statement_latency,
last_wait,
last_wait_latency,
source
) AS
SELECT pps.thread_id AS thd_id,
pps.processlist_id AS conn_id,
IF(pps.name = 'thread/sql/one_connection',
CONCAT(pps.processlist_user, '@', pps.processlist_host),
REPLACE(pps.name, 'thread/', '')) user,
pps.processlist_db AS db,
pps.processlist_command AS command,
pps.processlist_state AS state,
pps.processlist_time AS time,
sys.format_statement(pps.processlist_info) AS current_statement,
sys.format_time(esc.lock_time) AS lock_latency,
esc.rows_examined,
esc.rows_sent,
esc.rows_affected,
esc.created_tmp_tables AS tmp_tables,
esc.created_tmp_disk_tables AS tmp_disk_tables,
IF(esc.no_good_index_used > 0 OR esc.no_index_used > 0,
'YES', 'NO') AS full_scan,
IF(esc.timer_wait IS NOT NULL,
sys.format_statement(esc.sql_text),
NULL) AS last_statement,
IF(esc.timer_wait IS NOT NULL,
sys.format_time(esc.timer_wait),
NULL) as last_statement_latency,
ewc.event_name AS last_wait,
IF(ewc.timer_wait IS NULL AND ewc.event_name IS NOT NULL,
'Still Waiting',
sys.format_time(ewc.timer_wait)) last_wait_latency,
ewc.source
FROM performance_schema.threads AS pps
LEFT JOIN performance_schema.events_waits_current AS ewc USING (thread_id)
LEFT JOIN performance_schema.events_statements_current as esc USING (thread_id)
GROUP BY thread_id
ORDER BY pps.processlist_time DESC, last_wait_latency DESC;
/*
* View: processlist_raw
*
* A detailed non-blocking processlist view to replace
* [INFORMATION_SCHEMA. | SHOW FULL] PROCESSLIST
*
* mysql> select * from processlist_full where conn_id is not null\G
* *************************** 1. row ***************************
* thd_id: 25
* conn_id: 6
* user: root@localhost
* db: ps_helper
* command: Query
* state: Sending data
* time: 0
* current_statement: select * from processlist_full where conn_id is not null
* last_statement: NULL
* last_statement_latency: NULL
* lock_latency: 741.00 us
* rows_examined: 0
* rows_sent: 0
* rows_affected: 0
* tmp_tables: 1
* tmp_disk_tables: 0
* full_scan: YES
* last_wait: wait/synch/mutex/sql/THD::LOCK_query_plan
* last_wait_latency: 196.04 ns
* source: sql_optimizer.cc:1075
* 1 row in set (0.00 sec)
*
* Versions: 5.6.2+
*
*/
CREATE OR REPLACE
ALGORITHM = TEMPTABLE
DEFINER = 'root'@'localhost'
SQL SECURITY INVOKER
VIEW x$processlist (
thd_id,
conn_id,
user,
db,
command,
state,
time,
current_statement,
lock_latency,
rows_examined,
rows_sent,
rows_affected,
tmp_tables,
tmp_disk_tables,
full_scan,
last_statement,
last_statement_latency,
last_wait,
last_wait_latency,
source
) AS
SELECT pps.thread_id AS thd_id,
pps.processlist_id AS conn_id,
IF(pps.name = 'thread/sql/one_connection',
CONCAT(pps.processlist_user, '@', pps.processlist_host),
REPLACE(pps.name, 'thread/', '')) user,
pps.processlist_db AS db,
pps.processlist_command AS command,
pps.processlist_state AS state,
pps.processlist_time AS time,
pps.processlist_info AS current_statement,
esc.lock_time AS lock_latency,
esc.rows_examined,
esc.rows_sent,
esc.rows_affected,
esc.created_tmp_tables AS tmp_tables,
esc.created_tmp_disk_tables AS tmp_disk_tables,
IF(esc.no_good_index_used > 0 OR esc.no_index_used > 0,
'YES', 'NO') AS full_scan,
IF(esc.timer_wait IS NOT NULL,
esc.sql_text,
NULL) AS last_statement,
IF(esc.timer_wait IS NOT NULL,
esc.timer_wait,
NULL) as last_statement_latency,
ewc.event_name AS last_wait,
IF(ewc.timer_wait IS NULL AND ewc.event_name IS NOT NULL,
'Still Waiting',
ewc.timer_wait) last_wait_latency,
ewc.source
FROM performance_schema.threads AS pps
LEFT JOIN performance_schema.events_waits_current AS ewc USING (thread_id)
LEFT JOIN performance_schema.events_statements_current as esc USING (thread_id)
GROUP BY thread_id
ORDER BY pps.processlist_time DESC, last_wait_latency DESC;
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