1 files changed, 46 insertions, 0 deletions
diff --git a/scripts/sys_schema/views/p_s/x_ps_digest_95th_percentile_by_avg_us.sql b/scripts/sys_schema/views/p_s/x_ps_digest_95th_percentile_by_avg_us.sql
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+++ b/scripts/sys_schema/views/p_s/x_ps_digest_95th_percentile_by_avg_us.sql
@@ -0,0 +1,46 @@
+-- Copyright (c) 2014, 2015, 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: x$ps_digest_95th_percentile_by_avg_us
+--
+-- Helper view for statements_with_runtimes_in_95th_percentile.
+-- Lists the 95th percentile runtime, for all statements
+--
+-- mysql> select * from x$ps_digest_95th_percentile_by_avg_us;
+-- +--------+------------+
+-- | avg_us | percentile |
+-- +--------+------------+
+-- |    964 |     0.9525 |
+-- +--------+------------+
+--
+
+CREATE OR REPLACE
+  ALGORITHM = TEMPTABLE
+  DEFINER = 'mariadb.sys'@'localhost'
+  SQL SECURITY INVOKER 
+VIEW x$ps_digest_95th_percentile_by_avg_us (
+  avg_us,
+  percentile
+) AS
+SELECT s2.avg_us avg_us,
+       IFNULL(SUM(s1.cnt)/NULLIF((SELECT COUNT(*) FROM performance_schema.events_statements_summary_by_digest), 0), 0) percentile
+  FROM sys.x$ps_digest_avg_latency_distribution AS s1
+  JOIN sys.x$ps_digest_avg_latency_distribution AS s2
+    ON s1.avg_us <= s2.avg_us
+ GROUP BY s2.avg_us
+HAVING IFNULL(SUM(s1.cnt)/NULLIF((SELECT COUNT(*) FROM performance_schema.events_statements_summary_by_digest), 0), 0) > 0.95
+ ORDER BY percentile
+ LIMIT 1;