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Explore the current limitations and challenges facing the Linux thermal framework in this 19-minute conference talk from the Linux Plumbers Conference. Examine how the thermal framework has evolved over the past five years while identifying persistent issues that still need addressing. Learn about the step_wise governor's ongoing struggle to balance performance optimization with preventing interrupt storms, and understand why thermal-zone mitigations prematurely halt during system suspend operations. Discover how modern hardware's fine-grained temperature telemetry capabilities remain underutilized by the current framework architecture. Follow along with clear diagrams that illustrate these technical limitations and gain insights into proposed improvements and future directions for enhancing the thermal framework's effectiveness in managing system temperatures.
