Re: [PATCH] turbostat: Running on virtual machine is not supported

[Henrique de Moraes Holschuh]

On Tue, 25 Jul 2017, Prarit Bhargava wrote:
> A common way of determining if the system is a virtual machine is to
> search /proc/cpuinfo flags entry for "hypervisor".  turbostat must output
> a proper error message when found.

Maybe you could output that message only if it fails to both use
/dev/msr and perf *and* it is under a virtual machine?  That would have
better forward compatibility, maybe someday /dev/msr or perf will work
inside a VM for what turbostat needs...

-- 
  Henrique Holschuh