There is a tool called pg Fouine . I am sure this will help you..
http://pgfouine.projects.pgfoundry.org/tutorial.html
RgrdsSuhas
--View this message in context: http://postgresql.1045698.n5.nabble.com/How-can-i-find-out-top-high-load-sql-queries-in-PostgreSQL-tp5736854p5736865.htmlSent from the PostgreSQL - performance mailing list archive at Nabble.com.