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Create host_summary_by_file_io_type.sql
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‎views/p_s/host_summary_by_file_io_type.sql‎

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/* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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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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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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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: host_summary_by_file_io_type
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*
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* Summarizes file IO by event type per host.
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*
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*
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* mysql> select * from host_summary_by_file_io_type;
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* +------------+--------------------------------------+-------+-----------+-------------+
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* | host | event_name | total | latency | max_latency |
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* +------------+--------------------------------------+-------+-----------+-------------+
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* | hal1 | wait/io/file/sql/FRM | 871 | 168.15 ms | 18.48 ms |
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* | hal1 | wait/io/file/innodb/innodb_data_file | 173 | 129.56 ms | 34.09 ms |
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* | hal1 | wait/io/file/innodb/innodb_log_file | 20 | 77.53 ms | 60.66 ms |
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* | hal1 | wait/io/file/myisam/dfile | 40 | 6.54 ms | 4.58 ms |
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* | hal1 | wait/io/file/mysys/charset | 3 | 4.79 ms | 4.71 ms |
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* | hal1 | wait/io/file/myisam/kfile | 67 | 4.38 ms | 300.04 us |
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* | hal1 | wait/io/file/sql/ERRMSG | 5 | 2.72 ms | 1.69 ms |
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* | hal1 | wait/io/file/sql/pid | 3 | 266.30 us | 185.47 us |
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* | hal1 | wait/io/file/sql/casetest | 5 | 246.81 us | 150.19 us |
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* | hal1 | wait/io/file/sql/global_ddl_log | 2 | 21.24 us | 18.59 us |
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* | hal2 | wait/io/file/sql/file_parser | 1422 | 4.80 s | 135.14 ms |
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* | hal2 | wait/io/file/sql/FRM | 865 | 85.82 ms | 9.81 ms |
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* | hal2 | wait/io/file/myisam/kfile | 1073 | 37.14 ms | 15.79 ms |
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* | hal2 | wait/io/file/myisam/dfile | 2991 | 25.53 ms | 5.25 ms |
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* | hal2 | wait/io/file/sql/dbopt | 20 | 1.07 ms | 153.07 us |
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* | hal2 | wait/io/file/sql/misc | 4 | 59.71 us | 33.75 us |
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* | hal2 | wait/io/file/archive/data | 1 | 13.91 us | 13.91 us |
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* +------------+--------------------------------------+-------+-----------+-------------+
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*
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*/
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CREATE OR REPLACE
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ALGORITHM = MERGE
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DEFINER = 'root'@'localhost'
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SQL SECURITY INVOKER
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VIEW host_summary_by_file_io_type (
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host,
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event_name,
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total,
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latency,
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max_latency
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) AS
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SELECT host AS host,
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event_name,
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count_star AS total,
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sys.format_time(sum_timer_wait) AS latency,
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sys.format_time(max_timer_wait) AS max_latency
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FROM performance_schema.events_waits_summary_by_host_by_event_name
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WHERE event_name LIKE 'wait/io/file%'
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AND count_star > 0
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ORDER BY host, sum_timer_wait DESC;
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/*
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* View: x$host_summary_by_file_io_type
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*
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* Summarizes file IO by event type per host.
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*
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*
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* mysql> select * from x$host_summary_by_file_io_type;
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* +------------+--------------------------------------+-------+---------------+--------------+
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* | host | event_name | total | latency | max_latency |
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* +------------+--------------------------------------+-------+---------------+--------------+
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* | hal1 | wait/io/file/sql/FRM | 871 | 168148450470 | 18482624810 |
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* | hal1 | wait/io/file/innodb/innodb_data_file | 173 | 129564287450 | 34087423890 |
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* | hal1 | wait/io/file/innodb/innodb_log_file | 20 | 77525706960 | 60657475320 |
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* | hal1 | wait/io/file/myisam/dfile | 40 | 6544493800 | 4580546230 |
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* | hal1 | wait/io/file/mysys/charset | 3 | 4793558770 | 4713476430 |
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* | hal1 | wait/io/file/myisam/kfile | 67 | 4384332810 | 300035450 |
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* | hal1 | wait/io/file/sql/ERRMSG | 5 | 2717434850 | 1687316280 |
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* | hal1 | wait/io/file/sql/pid | 3 | 266301490 | 185468920 |
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* | hal1 | wait/io/file/sql/casetest | 5 | 246814360 | 150193030 |
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* | hal1 | wait/io/file/sql/global_ddl_log | 2 | 21236410 | 18593640 |
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* | hal2 | wait/io/file/sql/file_parser | 1422 | 4801104756760 | 135138518970 |
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* | hal2 | wait/io/file/sql/FRM | 865 | 85818594810 | 9812303410 |
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* | hal2 | wait/io/file/myisam/kfile | 1073 | 37143664870 | 15793838190 |
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* | hal2 | wait/io/file/myisam/dfile | 2991 | 25528215700 | 5252232050 |
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* | hal2 | wait/io/file/sql/dbopt | 20 | 1067339780 | 153073310 |
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* | hal2 | wait/io/file/sql/misc | 4 | 59713030 | 33752810 |
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* | hal2 | wait/io/file/archive/data | 1 | 13907530 | 13907530 |
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* +------------+--------------------------------------+-------+---------------+--------------+
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*
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*/
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CREATE OR REPLACE
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ALGORITHM = MERGE
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DEFINER = 'root'@'localhost'
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SQL SECURITY INVOKER
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VIEW x$host_summary_by_file_io_type (
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host,
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event_name,
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total,
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latency,
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max_latency
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) AS
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SELECT host AS host,
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event_name,
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count_star AS total,
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sum_timer_wait AS latency,
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max_timer_wait AS max_latency
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FROM performance_schema.events_waits_summary_by_host_by_event_name
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WHERE event_name LIKE 'wait/io/file%'
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AND count_star > 0
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ORDER BY host, sum_timer_wait DESC;

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