Confirmed with PS 5.6.22 mysql> SELECT VERSION(); +-----------------+ | VERSION() | +-----------------+ | 5.6.24-72.2-log | +-----------------+ 1 row in set (0.00 sec) mysql> SELECT * from INFORMATION_SCHEMA.QUERY_RESPONSE_TIME; +----------------+-------+----------------+ | TIME | COUNT | TOTAL | +----------------+-------+----------------+ | 0.000001 | 0 | 0.000000 | | 0.000010 | 0 | 0.000000 | | 0.000100 | 2 | 0.000126 | | 0.001000 | 0 | 0.000000 | | 0.010000 | 0 | 0.000000 | | 0.100000 | 0 | 0.000000 | | 1.000000 | 0 | 0.000000 | | 10.000000 | 0 | 0.000000 | | 100.000000 | 0 | 0.000000 | | 1000.000000 | 0 | 0.000000 | | 10000.000000 | 0 | 0.000000 | | 100000.000000 | 0 | 0.000000 | | 1000000.000000 | 0 | 0.000000 | | TOO LONG | 0 | TOO LONG | +----------------+-------+----------------+ 14 rows in set (0.00 sec) mysql> SHOW GLOBAL VARIABLES LIKE '%query_response_%'; +--------------------------------+-------+ | Variable_name | Value | +--------------------------------+-------+ | query_response_time_flush | OFF | | query_response_time_range_base | 2 | | query_response_time_stats | ON | +--------------------------------+-------+ 3 rows in set (0.00 sec) mysql> SET GLOBAL query_response_time_flush=1; Query OK, 0 rows affected (0.00 sec) mysql> SELECT * FROM information_schema.QUERY_RESPONSE_TIME; +----------------+-------+----------------+ | TIME | COUNT | TOTAL | +----------------+-------+----------------+ | 0.000001 | 0 | 0.000000 | | 0.000003 | 0 | 0.000000 | | 0.000007 | 0 | 0.000000 | | 0.000015 | 0 | 0.000000 | | 0.000030 | 0 | 0.000000 | | 0.000061 | 1 | 0.000049 | | 0.000122 | 0 | 0.000000 | | 0.000244 | 0 | 0.000000 | | 0.000488 | 0 | 0.000000 | | 0.000976 | 0 | 0.000000 | | 0.001953 | 0 | 0.000000 | | 0.003906 | 0 | 0.000000 | | 0.007812 | 0 | 0.000000 | | 0.015625 | 0 | 0.000000 | | 0.031250 | 0 | 0.000000 | | 0.062500 | 0 | 0.000000 | | 0.125000 | 0 | 0.000000 | | 0.250000 | 0 | 0.000000 | | 0.500000 | 0 | 0.000000 | | 1.000000 | 0 | 0.000000 | | 2.000000 | 0 | 0.000000 | | 4.000000 | 0 | 0.000000 | | 8.000000 | 0 | 0.000000 | | 16.000000 | 0 | 0.000000 | | 32.000000 | 0 | 0.000000 | | 64.000000 | 0 | 0.000000 | | 128.000000 | 0 | 0.000000 | | 256.000000 | 0 | 0.000000 | | 512.000000 | 0 | 0.000000 | | 1024.000000 | 0 | 0.000000 | | 2048.000000 | 0 | 0.000000 | | 4096.000000 | 0 | 0.000000 | | 8192.000000 | 0 | 0.000000 | | 16384.000000 | 0 | 0.000000 | | 32768.000000 | 0 | 0.000000 | | 65536.000000 | 0 | 0.000000 | | 131072.000000 | 0 | 0.000000 | | 262144.000000 | 0 | 0.000000 | | 524288.000000 | 0 | 0.000000 | | 1048576.000000 | 0 | 0.000000 | | 2097152.000000 | 0 | 0.000000 | | 4194304.000000 | 0 | 0.000000 | | 8388608.000000 | 0 | 0.000000 | | TOO LONG | 0 | TOO LONG | +----------------+-------+----------------+ 44 rows in set (0.00 sec) mysql>