According to <http://lwn.net/Articles/498128/>, Linux 3.6 will likely include a change to the trace event format that breaks PowerTOP 1.x. If wheezy includes PowerTOP 1.x then a partial upgrade to wheezy+1 will probably break it. Are you planning to update to 2.0 in time for wheezy? Ben. -- Ben Hutchings We get into the habit of living before acquiring the habit of thinking. - Albert Camus