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... VM.1
Denali's idle instruction is similar to the x86 halt instruction, which is executed to put the system into a low-power state during idle periods. Denali's timeout feature allows for fine-grained CPU sharing.
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... BIOS2
The BIOS is also involved in power management; Denali does not expose this to VMs.
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... disks.3
Of course, our scaling experiments do stress the swapping functionality in the isolation kernel itself.
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