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CPU "C-states"란 무엇이며 필요 시 어떻게 비활성화합니까?

Solution Verified - Updated -

Issue

  • C-states, cstates 또는 C-modes란 무엇입니까?
  • processor sleep states를 어떻게 비활성화할 수 있습니까?
  • kernel이 BIOS C-state option을 재정의(override)하는 것을 어떻게 방지합니까?
  • CPU C-states를 비활성화하려면 intel_idle.max_cstate=0이 필수적으로 필요합니까?

Environment

  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5

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