mariadb/mysql-test/include/percona_query_response_time_show.inc

SELECT d.count,
(SELECT SUM(a.count) FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME as a WHERE a.count != 0) as query_count,
(SELECT SUM((b.total * 1000000) DIV 1000000) FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME as b WHERE b.count != 0) as query_total,
(SELECT COUNT(*)     FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME as c WHERE c.count != 0) as not_zero_region_count,
(SELECT COUNT(*)     FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME) as region_count
FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME as d WHERE d.count > 0;
SELECT COUNT(*) as region_count FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME;
SELECT time FROM INFORMATION_SCHEMA.QUERY_RESPONSE_TIME;