Only start and stop timers if they're in use, otherwise the overhead of the calls to gettimeofday is pretty bad.
Only start and stop timers if they're in use, otherwise the overhead of the
calls to gettimeofday is pretty bad.


git-svn-id: 9e2532540f1574e817ce42f20b9d0fb64899e451@543 4068ffdb-0463-0410-8185-8cc71e3bd399

diegows/wanproxy,diegows/wanproxy,splbio/wanproxy,splbio/wanproxy,splbio/wanproxy,diegows/wanproxy