I'm having the same issue, Idle stats and Frequency stats tabs are completely empty. Occurs on a 64bit Oneiric running on an HP Proliant N36L microserver. I'm attaching the lshw output.
** Attachment added: "lshw dump" https://bugs.launchpad.net/ubuntu/+source/powertop/+bug/834725/+attachment/2564756/+files/lshw_output_n36l -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/834725 Title: Powertop fails to report number of wakeups/events To manage notifications about this bug go to: https://bugs.launchpad.net/powertop/+bug/834725/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs