Henrique, I like your suggestion, thanks!
BTW. let's discuss (and patch) turbostat on linux-pm, rather than on lkml. thanks, -Len On Tue, Jul 25, 2017 at 11:59 AM, Henrique de Moraes Holschuh <[email protected]> wrote: > 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 -- Len Brown, Intel Open Source Technology Center
