Create host_summary_by_stages.sql

Author: aadant

views/p_s/host_summary_by_stages.sql

@@ -0,0 +1,113 @@
+/* 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: host_summary_by_stages
+ *
+ * Summarizes stages by host, ordered by host and total latency per stage.
+ * 
+ * mysql> select * from host_summary_by_stages;
+ * +------+--------------------------------+-------+-----------+-----------+
+ * | host | event_name                     | total | wait_sum  | wait_avg  |
+ * +------+--------------------------------+-------+-----------+-----------+
+ * | hal  | stage/sql/Opening tables       |   889 | 1.97 ms   | 2.22 us   |
+ * | hal  | stage/sql/Creating sort index  |     4 | 1.79 ms   | 446.30 us |
+ * | hal  | stage/sql/init                 |    10 | 312.27 us | 31.23 us  |
+ * | hal  | stage/sql/checking permissions |    10 | 300.62 us | 30.06 us  |
+ * | hal  | stage/sql/freeing items        |     5 | 85.89 us  | 17.18 us  |
+ * | hal  | stage/sql/statistics           |     5 | 79.15 us  | 15.83 us  |
+ * | hal  | stage/sql/preparing            |     5 | 69.12 us  | 13.82 us  |
+ * | hal  | stage/sql/optimizing           |     5 | 53.11 us  | 10.62 us  |
+ * | hal  | stage/sql/Sending data         |     5 | 44.66 us  | 8.93 us   |
+ * | hal  | stage/sql/closing tables       |     5 | 37.54 us  | 7.51 us   |
+ * | hal  | stage/sql/System lock          |     5 | 34.28 us  | 6.86 us   |
+ * | hal  | stage/sql/query end            |     5 | 24.37 us  | 4.87 us   |
+ * | hal  | stage/sql/end                  |     5 | 8.60 us   | 1.72 us   |
+ * | hal  | stage/sql/Sorting result       |     5 | 8.33 us   | 1.67 us   |
+ * | hal  | stage/sql/executing            |     5 | 5.37 us   | 1.07 us   |
+ * | hal  | stage/sql/cleaning up          |     5 | 4.60 us   | 919.00 ns |
+ * +------+--------------------------------+-------+-----------+-----------+
+ *
+ */
+
+CREATE OR REPLACE
+  ALGORITHM = MERGE
+  DEFINER = 'root'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW host_summary_by_stages (
+  host,
+  event_name,
+  total,
+  wait_sum,
+  wait_avg
+) AS
+SELECT host,
+       event_name,
+       count_star AS total,
+       sys.format_time(sum_timer_wait) AS wait_sum, 
+       sys.format_time(avg_timer_wait) AS wait_avg 
+  FROM performance_schema.events_stages_summary_by_host_by_event_name
+ WHERE host IS NOT NULL 
+   AND sum_timer_wait != 0 
+ ORDER BY host, sum_timer_wait DESC;
+
+/*
+ * View: x$host_summary_by_stages
+ *
+ * Summarizes stages by host, ordered by host and total latency per stage.
+ * 
+ * mysql> select * from x$host_summary_by_stages;
+ * +------+--------------------------------+-------+-------------+-----------+
+ * | host | event_name                     | total | wait_sum    | wait_avg  |
+ * +------+--------------------------------+-------+-------------+-----------+
+ * | hal  | stage/sql/Opening tables       |  1114 | 71919037000 |  64559000 |
+ * | hal  | stage/sql/Creating sort index  |     5 |  2245762000 | 449152000 |
+ * | hal  | stage/sql/init                 |    13 |   428798000 |  32984000 |
+ * | hal  | stage/sql/checking permissions |    13 |   363231000 |  27940000 |
+ * | hal  | stage/sql/freeing items        |     7 |   137728000 |  19675000 |
+ * | hal  | stage/sql/statistics           |     6 |    93955000 |  15659000 |
+ * | hal  | stage/sql/preparing            |     6 |    82571000 |  13761000 |
+ * | hal  | stage/sql/optimizing           |     6 |    63338000 |  10556000 |
+ * | hal  | stage/sql/Sending data         |     6 |    53400000 |   8900000 |
+ * | hal  | stage/sql/closing tables       |     7 |    46922000 |   6703000 |
+ * | hal  | stage/sql/System lock          |     6 |    40175000 |   6695000 |
+ * | hal  | stage/sql/query end            |     7 |    31723000 |   4531000 |
+ * | hal  | stage/sql/Sorting result       |     6 |     9855000 |   1642000 |
+ * | hal  | stage/sql/end                  |     6 |     9556000 |   1592000 |
+ * | hal  | stage/sql/cleaning up          |     7 |     7312000 |   1044000 |
+ * | hal  | stage/sql/executing            |     6 |     6487000 |   1081000 |
+ * +------+--------------------------------+-------+-------------+-----------+ *
+ */
+
+CREATE OR REPLACE
+  ALGORITHM = MERGE
+  DEFINER = 'root'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW x$host_summary_by_stages (
+  host,
+  event_name,
+  total,
+  wait_sum,
+  wait_avg
+) AS
+SELECT host,
+       event_name,
+       count_star AS total,
+       sum_timer_wait AS wait_sum, 
+       avg_timer_wait AS wait_avg 
+  FROM performance_schema.events_stages_summary_by_host_by_event_name
+ WHERE host IS NOT NULL 
+   AND sum_timer_wait != 0 
+ ORDER BY host, sum_timer_wait DESC;