141 lines
5.3 KiB
SQL
141 lines
5.3 KiB
SQL
-- Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; version 2 of the License.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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--
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-- View: processlist
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--
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-- A detailed non-blocking processlist view to replace
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-- [INFORMATION_SCHEMA. | SHOW FULL] PROCESSLIST
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--
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-- Performs less locking than the legacy sources, whilst giving extra information.
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--
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-- mysql> select * from sys.processlist where conn_id is not null and command != 'daemon' and conn_id != connection_id()\G
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-- *************************** 1. row ***************************
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-- thd_id: 44524
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-- conn_id: 44502
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-- user: msandbox@localhost
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-- db: test
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-- command: Query
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-- state: alter table (flush)
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-- time: 18
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-- current_statement: alter table t1 add column g int
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-- statement_latency: 18.45 s
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-- progress: 98.84
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-- lock_latency: 265.43 ms
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-- rows_examined: 0
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-- rows_sent: 0
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-- rows_affected: 0
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-- tmp_tables: 0
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-- tmp_disk_tables: 0
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-- full_scan: NO
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-- last_statement: NULL
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-- last_statement_latency: NULL
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-- current_memory: 664.06 KiB
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-- last_wait: wait/io/file/innodb/innodb_data_file
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-- last_wait_latency: 1.07 us
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-- source: fil0fil.cc:5146
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-- trx_latency: NULL
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-- trx_state: NULL
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-- trx_autocommit: NULL
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-- pid: 4212
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-- program_name: mysql
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--
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CREATE OR REPLACE
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ALGORITHM = TEMPTABLE
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DEFINER = 'mysql.sys'@'localhost'
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SQL SECURITY INVOKER
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VIEW processlist (
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thd_id,
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conn_id,
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user,
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db,
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command,
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state,
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time,
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current_statement,
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statement_latency,
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progress,
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lock_latency,
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rows_examined,
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rows_sent,
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rows_affected,
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tmp_tables,
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tmp_disk_tables,
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full_scan,
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last_statement,
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last_statement_latency,
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current_memory,
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last_wait,
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last_wait_latency,
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source,
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trx_latency,
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trx_state,
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trx_autocommit,
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pid,
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program_name
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) AS
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SELECT pps.thread_id AS thd_id,
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pps.processlist_id AS conn_id,
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IF(pps.name IN ('thread/sql/one_connection', 'thread/thread_pool/tp_one_connection'),
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CONCAT(pps.processlist_user, '@', pps.processlist_host),
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REPLACE(pps.name, 'thread/', '')) user,
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pps.processlist_db AS db,
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pps.processlist_command AS command,
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pps.processlist_state AS state,
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pps.processlist_time AS time,
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sys.format_statement(pps.processlist_info) AS current_statement,
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IF(esc.end_event_id IS NULL,
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sys.format_time(esc.timer_wait),
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NULL) AS statement_latency,
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IF(esc.end_event_id IS NULL,
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ROUND(100 * (estc.work_completed / estc.work_estimated), 2),
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NULL) AS progress,
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sys.format_time(esc.lock_time) AS lock_latency,
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esc.rows_examined AS rows_examined,
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esc.rows_sent AS rows_sent,
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esc.rows_affected AS rows_affected,
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esc.created_tmp_tables AS tmp_tables,
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esc.created_tmp_disk_tables AS tmp_disk_tables,
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IF(esc.no_good_index_used > 0 OR esc.no_index_used > 0, 'YES', 'NO') AS full_scan,
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IF(esc.end_event_id IS NOT NULL,
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sys.format_statement(esc.sql_text),
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NULL) AS last_statement,
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IF(esc.end_event_id IS NOT NULL,
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sys.format_time(esc.timer_wait),
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NULL) AS last_statement_latency,
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sys.format_bytes(mem.current_allocated) AS current_memory,
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ewc.event_name AS last_wait,
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IF(ewc.end_event_id IS NULL AND ewc.event_name IS NOT NULL,
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'Still Waiting',
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sys.format_time(ewc.timer_wait)) last_wait_latency,
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ewc.source,
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sys.format_time(etc.timer_wait) AS trx_latency,
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etc.state AS trx_state,
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etc.autocommit AS trx_autocommit,
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conattr_pid.attr_value as pid,
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conattr_progname.attr_value as program_name
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FROM performance_schema.threads AS pps
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LEFT JOIN performance_schema.events_waits_current AS ewc USING (thread_id)
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LEFT JOIN performance_schema.events_stages_current AS estc USING (thread_id)
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LEFT JOIN performance_schema.events_statements_current AS esc USING (thread_id)
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LEFT JOIN performance_schema.events_transactions_current AS etc USING (thread_id)
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LEFT JOIN sys.x$memory_by_thread_by_current_bytes AS mem USING (thread_id)
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LEFT JOIN performance_schema.session_connect_attrs AS conattr_pid
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ON conattr_pid.processlist_id=pps.processlist_id and conattr_pid.attr_name='_pid'
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LEFT JOIN performance_schema.session_connect_attrs AS conattr_progname
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ON conattr_progname.processlist_id=pps.processlist_id and conattr_progname.attr_name='program_name'
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ORDER BY pps.processlist_time DESC, last_wait_latency DESC;
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