main.mdev-504 fails in buildbot with valgrind (timeout)

main.mdev-504                            w5 [ fail ]  timeout after 9000 seconds

        Test ended at 2016-12-22 13:53:27

Test case timeout after 9000 seconds

== /home/buildbot/build/mysql-test/var/5/log/mdev-504.log == 

SET GLOBAL net_write_timeout = 900;

CREATE TABLE A (

pk INTEGER AUTO_INCREMENT PRIMARY KEY,

fdate DATE

) ENGINE=MyISAM;

CREATE PROCEDURE p_analyze()

BEGIN

DECLARE attempts INTEGER DEFAULT 100;

wl_loop: WHILE attempts > 0 DO

ANALYZE TABLE A;

SET attempts = attempts - 1;

END WHILE wl_loop;

END |

CREATE FUNCTION rnd3() RETURNS INT

BEGIN

RETURN ROUND(3 * RAND() + 0.5);

END |

SET GLOBAL use_stat_tables = PREFERABLY;

 == /home/buildbot/build/mysql-test/var/5/tmp/analyze-timeout-mysqld.1.err ==

mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/home/buildbot/build/mysql-test/var/tmp/5/mysqld.1.sock' (111)