On Tue, 13 Feb 2024 10:56:35 +0530, Shrikanth Hegde wrote:
> powerVM hypervisor updates the VPA fields with stolen time data.
> It currently reports enqueue_dispatch_tb and ready_enqueue_tb for
> this purpose. In linux these two fields are used to report the stolen time.
>
> The VPA fields are updated at the TB frequency. On powerPC its mostly
> set at 512Mhz. Hence this needs a conversion to ns when reporting it
> back as rest of the kernel timings are in ns. This conversion is already
> handled in tb_to_ns function. So use that function to report accurate
> stolen time.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/pseries: fix accuracy of stolen time
https://git.kernel.org/powerpc/c/cbecc9fcbbec60136b0180ba0609c829afed5c81
cheers
