Power Management Presentations

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Contents

Power Management

PMIC: First One to Turn On and Last One to Turn Off [ELCE 2019]

Presenter: Keerthy Jagadeesh, Texas Instruments
Summary: This presentation provides information about PMIC driver
development in Linux and debugging over I2C.

The Power-Supply Subsystem [ELCE 2018]

Presenter: Sebastian Reichel, Collabora
Summary: This presentation provides an overview of the subsystem
and template driver instantiated from the device tree.

Power Management Integrated Circuits: Keep the Power in Your Hands [ELC 2017]

Presenter: Quentin Schulz, Free Electrons
Summary: This presentation provides information about PMIC
(Power Management Integrated Circuit) using different subsystems
like MFD, power supply, and ways to achieve over-voltage
protection.

Power Management in Zephyr RTOS [ELC 2016]

Presenter: Ramesh Thomas, Intel
Summary: The session talks about effective power management support in
this platform that have very limited resources and overview on
the power management infrastructure provided by Zephyr.

Linux Power Management Optimization on the Nvidia Jetson Platform [ELC 2016]

Presenter: Merlin Friesen, Golden Gate Research
Summary: The session covers SoC power management, techniques and features.

Google ProjectARA Power Management Challenges [ELC 2016]

Presenter: Patrick Titiano, BayLibre
Summary: This presentation provides information about challenges in the area of
power management and how to handle multiple batteries to the system.

Power Management Challenges in IoT and How Zephyr RTOS Meets Them [ELCE 2016]

Presenter: Ramesh Thomas, Intel
Summary: The session talks about zephyr power management design
and how to run on tiny batteries for extensive periods.

PDF | VIDEO

Last One Out, Turn Off The Lights [ELC 2015]

Presenter: Geert Uytterhoeven, Glider bvba
Summary: This talk covers power domains, clock domains,
power/clock distribution and topology.

PDF

Making the Most of Dynamic Audio Power Management [ELCE 2015]

Presenter: Lars-Peter Clausen, Analog Devices
Summary: This presentation provides information about power state,
DAPM (dynamic audio power management) and power sequencing.

System Power Management Interface (SPMI) [ELC 2014]

Presenter: Josh Cartwright, Qualcomm Innovation Center
Summary: The session covers a high level architectural overview
of SPMI and Linux kernel software interfaces.

Leveraging Open-Source Power Measurement Standard Solution [ELCE 2014]

Presenter: Patrick Titiano
Summary: This presentation talks about Power Measurement Basics like
board Requirements, ADC resolution, Shunt Resistor selection
and also about the “ACME” Initiative.

Use-Case Power Management Optimization: Identifying & Tracking Key Power Indicators [ELCE 2013]

Presenter: Patrick Titiano
Summary: This session talks about about the use of case PM optimization
methodology and critical key performance indicators.

PDF

Linux Power Supply Charging Subsystem [ELCE 2012]

Presenter: Rama Pallala, Intel
Summary: The presenter covers information about embedded
hardware and its complexities and issues seen during
maintainability.

Regmap: The Power of Subsystems and Abstractions [ELCE 2012]

Presenter: Mark Brown, Wolfson Microelectronics
Summary: This presentation provides information about the quality
of the subsystem, driver development, and Standard
implementation of reading and writing.

Runtime PM: Upstream I/O Device Power Management [ELC 2011]

Presenter: Magnus Damm
Summary: The slides cover CPU runtime power management in Linux
idle loop and I/O device runtime power management.

How to Power Tune a Device Running on a Linux Kernel for Better Suspend Battery Life [ELC 2011]

Presenter: Mark Gross (Intel)
Summary: This presentation provides information about power BOM,
Suspend to Ram Hardening,and Measuring.

PeakCurrent Management in x86-Based Smartphones [ELC 2011]

Presenter: R Durgadoss, Intel
Summary: This presentation provides information about peak current
issues on phones and addressing peak current on x86 phones.

SOC Power Management - Debugging and Optimization Techniques [ELCE 2011]

Presenter: Avinash Mahadeva & Vishwanth Sripathy (Texas Instruments)
Summary: This presentation provides information about power management,
types of power management, hardware architecture in SOCs and
software power management techniques.

Power Management Using PM Domains on SH7372 [ELCE 2011]

Presenter: Rafael J. Wysocki (Faculty of Physics, U. Warsaw/SUSE Labs)
Summary: This presentation provides information about the hierarchy of
power domains, runtime power management framework and
power management quality of service.

Consolidating Linux Power Management on ARM Multiprocessor Systems [ELCE 2011]

Presenter:Lorenzo Pieralisi (ARM Ltd.)
Summary: This presentation provides information about power
management fundamentals and the ARM A9 SMP CPU shutdown procedure.

Charger Manager: Aggregating Chargers, Fuel Gauges and Batteries [ELCE 2011]

Presenter: MyungJoo Ham (Samsung))
Summary: This presentation answers the questions like why
polling batteries while suspended & charging at kernel,
why support multiple chargers with charger Manager and
why support multiple batteries at a device with Charger Manager.

Workload-based Aggressive Power Management on the Intel Moorestown MID and Future Intel MID/Smartphone Platforms [ELC 2010]

Presenter: Sujith Thomas
Summary: This presentation provides information about CPU power management,
performance management, device power management, active and
idle power management.

Wake-ups Effect on Idle Power for Intel's Moorestown MID and Smartphone Platform [ELC 2010]

Presenter: German Monroy
Summary: The session talks about power measurement alternatives
and analyzes timer behavior using ftrace.

DVFS for Embedded Linux [ELC 2010]

Presenter: Yong Bon Koo and Youngbin Seo
Summary: The presenter talks about CPU power consumption and
DVFS design for CPU power consumption.

Runtime Power Management: Overview and Platform Implementation [ELC 2010]

Presenter: Kevin Hilman
Summary: This presentation provides information about new power
management framework and simple API usage.

Runtime Power Management on SuperH Mobile [ELC 2009]

Presenter:Magnus Damm
Summary: This presentation information about run-time power management
clock framework, device drivers and sleep modes in SuperH mobile platforms

Constrained Power Management [ELCE 2009]

Presenter:Patrick Bellasi
Summary: This presentation provides information about power management
techniques, framework design and constrained power management.

Linux System Power Management on OMAP3430 [ELC 2008]

Presenter: Richard Woodruff
Summary: The session provides information about hardware power management
features in OMAP3430 AND 3430 and how Linux Power
Management software exploits hardware features.

Building Blocks for Embedded Power Management [ELC 2008]

Presenter: Kevin Hilman
Summary: This presentation provides information about hardware features,
clock hierarchy, voltage/current regulators, voltage domains,
clock domains and clock framework in Embedded Power Management.

Power Management Quality of Service and How You Could Use it in Your Embedded Application [ELC 2008]

Presenter: Mark Gross
Summary: This presentation talks about new kernel infrastructure to
facilitate the communication of latency and throughput
needs among devices and automatic power management at the driver level.

Every Microamp is Sacred - A Dynamic Voltage and Current Control Interface for the Linux Kernel [ELC 2008]

Presenter: Liam Girdwood
Summary: The session covers static and dynamic system power
and kernel regulator framework.

Power management on an ARM11 platform [ELCE 2008]

Presenter: Mischa Jonker
Summary: This presentation provides information about the
architecture of the NXP ARM1176 platform and ARM11 power modes.

Taking Linux Power Management to Production Quality [ELCE 2008]

Presenter: Eugeny S. Mints
Summary: This presentation provides information about power management,
power management models, and hardware analysis.

Suspend modes and power management on Linux [ELCE 2008]

Presenter: Stefan Seyfried
Summary: This presentation provides information about modes of power management.

Power Management Techniques, Policies, and Problems for Embedded Linux [ELC 2007]

Presenter: Mark Gross
Summary: The session covers dynamic power management, power management memory,
clock framework, voltage framework, and power management drivers.

Suspend-to-RAM implementation on freescale 74xx without PMU [ELC 2007]

Presenter: Fujihito Numano
Summary: This session covers the power Management Unit (PMU),
sleep mode of PMU and power management functions.

A Generic Parameter Layer for Linux Power Management [ELC 2007]

Presenter: Matt Locke
Summary: The slides cover Power Management structure, use count
tracking, and methods to keep the system operational.

Benchmarking of Dynamic Power Management Solutions [ELC 2007]

Presenter: Frank Dols
Summary: The session talks about Dynamic Power Management
concepts and performance of prediction methods.

A Power Management Architecture For Mobile Devices [ELCE 2007]

Presenter: Matthew Locke
Summary: This presentation provides information about Linux
power management features and latency framework.

Evaluation of Linux rt-preempt for embedded industrial devices for Automation and Power technologies – A case study [ELCE 2007]

Presenter: Morten Mossige, Pradyumna Sampath, Rachana Rao (ABB)
Summary: This presentation provides information about power and automation technologies,
RTLinux, and Hardware System Structure.

Topics in Embedded Power Management [ELC 2006]

Presenter: Todd Poynor
Summary: The session describes power management complexities, methods
to save power and clock domains with multiple power states and latencies.

Power Management Panel [ELC 2006]

Presenter: Power Management Panel
Summary: The slides present Q&A related to power management.

ARM MPCore and Power Management [ELC 2006]

Presenter: John Goodacre
Summary: This presentation provides information about multi-core processing,
the effect of MPCore’s enhanced L1 and the power management of ARM.

PDF

Power Measurement and Tools

Fully Automated Power Measurement Solution Coupled with IC Temperature Control [ELCE 2019]

Presenter: Jerome Neanne, BayLibre & Pascal Mareau, NXP
Summary: This presentation talks about the automated test framework,
temperature control and power measurements.

About the Need to Power Instrument the Linux Kernel [ELC 2017]

Presenter: Patrick Titiano, BayLibre
Summary: This presentation provides information about SoC power management,
benefits, power visualization apps and closed-loop power policies.

Sigrok: Adventures in Integrating a Power-Measurement Device [ELC 2015]

Presenter: Bartosz Golaszewski, BayLibre
Summary: The session talks about ACME cape key features, sigrok
architecture, sigrok flow and sigrok key features.

Use-Case Power Management Optimization: Identifying and Tracking Key Power Indicators [ELC 2014]

Presenter: Patrick Titiano, BayLibre
Summary: The presenter talks about identifying and tracking KPIs on
a per use-case basis to optimize power consumption
at the system level and also maintain temperature.

The Evolution of Tracing and Profiling for Power Management and Accelerators [ELC 2011]

Presenter: Jean Pihet (NewOldBits.com)
Summary: These slides cover the status of power management, accel
trace events, and contributions to mainline kernel.