Linux PM infrastructure status report

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One Line Summary

Describe and discuss the current status of the PM infrastructure in the Linux kernel.

Abstract

Describe and discuss the status of the main components of the PM infrastructure in Linux (PM core, suspend & hibernation support, CPUFreq & CPUIdle) and explore the possible directions of future development in that area. Identify the most urgent needs and discuss possible ways of addressing them.

Tags

kernel, cpuidle, pm, cpufreq, Suspend, Hibernation

Speaker

  • Rjw

    Rafael Wysocki

    Intel OTC

    Biography

    I am the maintainer of the Linux kernel’s core ACPI and power management code, including the core infrastructure for IO device PM, CPU PM and system suspend/hibernation. I work at Intel Open Source Technology Center as a Software Engineer with focus on the mainline Linux kernel. I’ve been actively contributing to Linux since 2005, in particular to the kernel’s suspend/hibernate subsystem, power management in general (IO runtime PM framework, cpufreq, cpuidle, PM QoS, wakeup framework etc.), hot-plug infrastructure, ACPI core and PCI core. Since 2008 I’ve given presentations at multiple Linux Foundation conferences and other Linux-related events, including the Linux Foundation Collaboration Summit, LinuxCon (North America/Japan/Europe), Linux Plumbers Conference, Linux.conf.au, LinuxTag, and Ottawa Linux Symposium. I hold a PhD (2002) in physics from the University of Warsaw, Poland.