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d516e8a2c3
To more accurately model the underlying hardware, add dynamic power coefficient as a parameter to pass from the host OS to the guest OS. This gives an indication to the guest OS about which CPUs and which clusters of CPUs are more efficient. Add a config option "--dynamic-power-coefficient" that allows the power coefficients of individual CPUs on the guest to be customized at a more granular level. The new parameter is a scalar coefficient for calculating power. See Documentation/devicetree/bindings/arm/cpus.yaml for more info Bug: b:280358794 Test: ./tools/presubmit passes; Verified new parameters show up when running crosvm Change-Id: I0246adcb893546a88a292fcfe9ff40fb08411b10 Signed-off-by: Sam Wu <wusamuel@google.com> Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4497380 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-by: David Dai <davidai@google.com> |
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