itop doesnt show anything

Seems to be a known issue with the debian package maybe? https://www.void.gr/kargig/blog/2012/06/24/interrupts-top-like-utility-for-linux/

Im only using a 4 core box, but I'm still not seeing any results at all in itop.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: itop 0.1-4
ProcVersionSignature: Ubuntu 4.4.0-18.34-lowlatency 4.4.6
Uname: Linux 4.4.0-18-lowlatency x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
Date: Thu Apr 14 16:31:14 2016
Dependencies:
 gcc-6-base 6-20160405-0ubuntu2
 libc6 2.23-0ubuntu2
 libgcc1 1:6-20160405-0ubuntu2
InstallationDate: Installed on 2016-03-22 (23 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
ProcEnviron:
 TERM=xterm-256color
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 XDG_RUNTIME_DIR=<set>
SourcePackage: itop
UpgradeStatus: Upgraded to xenial on 2016-04-09 (5 days ago)