Forum Discussion
hooleylist
Mar 14, 2011Cirrostratus
Thanks for that Michael. Note that you can save some CPU cycles by wrapping expr operands in curly braces (which prevents double substitution of the variables):
[expr [clock clicks -milliseconds] - $http_request_time]
->
[expr {[clock clicks -milliseconds] - $http_request_time}]
[expr [clock clicks -milliseconds] - $tcp_start_time]]
->
[expr {[clock clicks -milliseconds] - $tcp_start_time}]]
Aaron