Messages in this thread | | | Date | Tue, 25 Jul 2017 12:59:11 -0300 | From | Henrique de Moraes Holschuh <> | Subject | Re: [PATCH] turbostat: Running on virtual machine is not supported |
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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
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