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Tuesday, April 29 • 5:20pm - 6:10pm
Use-Case Power Management Optimization: Identifying & Tracking Key Power Indicators - Patrick Titiano, BayLibre

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Embedded platforms performances keep increasing, quicker than power and thermal budgets, making Power Management (PM) an essential element. This presentation describes the importance of identifying and tracking KPI (Key Performance Indicators: C-States statistics / OPerating Points (OPP) Usage / Interrupts Rates / MPU Load / Memory Usage / Running Clocks / Power Status / ...) on a per use-case basis, to optimize power consumption at system-level (battery), but also to maintain temperature within limits. Following a short introduction to standard KPI, a methodology will be illustrated with practical examples extracted from critical use-cases (MP3 AV Playback, OS Idle, 3D Gaming) run on a real product. The need for dedicated and automated power management tooling (embedded power measurements, kernel instrumentation, user-space tooling) will be also highlighted.

avatar for Patrick Titiano

Patrick Titiano

SW Director, BayLibre
Patrick Titiano has 18 years of engineering experience in embedded technologies. Patrick spent 9 years at Texas Instruments as an OMAP Power Management Expert (from architecture to use-case power optimization). Patrick also developed embedded diagnostic open source tools (“omapconf... Read More →

Tuesday April 29, 2014 5:20pm - 6:10pm PDT
Salon III

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