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use crate::IdleState;
use raw_cpuid::CpuId;
pub(crate) enum Model {
Broadwell,
}
impl Model {
pub(crate) fn current() -> Option<Self> {
let feature_info = CpuId::new().get_feature_info()?;
match feature_info.model_id() {
0x3d => Some(Self::Broadwell),
_ => None,
}
}
pub(crate) fn idle_states(&self) -> &'static [IdleState] {
match self {
Self::Broadwell => &[
IdleState {
name: "C1",
eax: 0x0,
tlb_flushed: false,
exit_latency: 2,
target_residency: 2,
},
IdleState {
name: "C1E",
eax: 0x1,
tlb_flushed: false,
exit_latency: 10,
target_residency: 20,
},
IdleState {
name: "C3",
eax: 0x10,
tlb_flushed: true,
exit_latency: 40,
target_residency: 100,
},
IdleState {
name: "C6",
eax: 0x20,
tlb_flushed: true,
exit_latency: 133,
target_residency: 400,
},
IdleState {
name: "C7s",
eax: 0x32,
tlb_flushed: true,
exit_latency: 166,
target_residency: 500,
},
IdleState {
name: "C8",
eax: 0x40,
tlb_flushed: true,
exit_latency: 300,
target_residency: 900,
},
IdleState {
name: "C9",
eax: 0x50,
tlb_flushed: true,
exit_latency: 600,
target_residency: 1800,
},
IdleState {
name: "C10",
eax: 0x60,
tlb_flushed: true,
exit_latency: 2600,
target_residency: 7700,
},
],
}
}
}