LDS - PM Functional testing and energy measurement for interesting workloads

Raw notes

  • Functional testing
    • ACTION: Zygmunt to provide link to data format (expected by graphic visualisation?)
    • ACTION: Amit K to work with QA team on data visualisation (convey requirements)
    • ACTION: Paul Larson to give status of Samsung Orion in the test farm
    • ACTION: PMWG (Daniel ?) to fixup/rewrite pm-qa tests

  • Energy measurement
    • ACTION: Zygmunt and Olivier to discuss what the data will look like and how to visualize it
    • ACTION: Mike T. to talk with TI browser test team about aligning with ARM's workloads
    • ACTION: Mike T. to talk to TI DARA people about donating power measurement HW
    • ACTION: Bobby and Amit K to figure out if ARM can deliver content extraction tools

    • ACTION: Amit K to talk to MM/Graphics teams regarding content

    • ACTION: Mike T. to follow up on Panda board that can support sub-VBAT measurement

    • ACTION: Amit K to talk to George about disclaimer for workloads and publishing numbers
    • ACTION: Paul Larson and Bobby to talk about acquiring NI DAC and integrated into farm.

    • ACTION: Olivier C. to tell us about status of Linux drivers for NI DAC stack

    • ACTION: Bobby to get us ELBA board
    • ACTION: Amit K to talk to Paul Larson about performance testing and align with power testing

    • ACTION: Amit K to take discussion of content acquisition to wider list

LDS - Power Management Tools

Raw notes

  • Tools
    • ACTION: Amit K to work with Andy on figuring out twl6030 spec for VBAT current numbers
    • ACTION: Amit Daniel to make powertop work on Android out-of the box

    • ACTION: Daniel Lezcano to look at rearchitecture of powerdebug for client-server

    • ACTION: Daniel Lezcano to look at possibility of reporting GPIO stats in powerdebug

    • ACTION: Vincent checks what is available on ST-E PMIC (Vbat, Ibat)

    • ACTION: Amit Daniel checks what is available on Samsung PMIC (Vbat, Ibat)

    • ACTION: Amit K to talk to Graphics guys about GPU state information to Linux

LDS - PM scheduler (sched_mc)

Raw notes

  • sched_mc
    • ACTION: Vincent to define scheduling topology for ARM

    • ACTION: Vincent to come up with workload to exercise sched_mc and then push to regression test suite
    • ACTION: PMWG to consider re-opening discussion around power-aware scheduler on LKML

LDS - PM Thermal Management

Raw notes

  • Thermal management
    • ACTION: Steve Jahnke to write on-die sensor driver (hwmon) on OMAP and push to mainline
    • ACTION: Vincent to upstream on-die sensor driver (hwmon) on ux8500
    • ACTION: Amit Daniel to report on status of on-die sensor driver status on orion
    • ACTION: Steve, Vincent, Amit Daniel to extend hwmon driver to use thermal framework (start with OMAP first to verify efficacy)

    • ACTION: Steve to demonstrate working thermal management using userspace thermal manager

    • ACTION: Steve to demonstrate working thermal management by hooking cpufreq/hotplug driver as cooling device

LDS - PM Hotplug Governor

Raw notes

  • Hotplug governor
    • ACTION: Mike T. to consolidate heuristics and implement a new hotplug framework + governor

    • ACTION: Mike T. to try and push this to mainline

    • ACTION: Mike T. and PMWG to use this as basis for a global governor that knows about hotplug, cpuidle, cpufreq, etc.

LDS - Power Management WG & Landing Teams Discussion

Raw notes

  • Landing teams
    • ACTION: Eric Miao to add answers to PMWG questions regarding Freescale status in the raw notes (similar to Samsung and ST-E)

    • ACTION: Andy Green to add answers to PMWG questions regarding TI status in the raw notes (similar to Samsung and ST-E)

    • ACTION: LT leads (Eric, Andy, Lee, Angus) to talk internally to constantly rebase on top of Nico's tree
    • ACTION: LT leads (Eric, Andy, Lee, Angus) to try and provide a montly report of what went in (so WG can test new features)
    • ACTION: LT leads (Eric, Andy, Lee, Angus) to provide some dates for PM-specific features discussed above
    • ACTION: LT leads (Eric, Andy, Lee, Angus) to talk to developers on what kernel version is being used internally @ vendors

LDS - PM idle code consolidation

Raw notes

  • Idle-code consolidation
    • ACTION: Lorenzo to post consolidation patches to LAKML in June

    • ACTION: PMWG (Amit Daniel ?) to help porting to additional platforms (Orion) to support the effort in mainline

    • ACTION: Lorenzo to document dependencies (such as inability to use notifiers after cache turned off) in a wiki page

WorkingGroups/PowerManagement/Archives/ConfNotes/2011-05-Connect-Budapest (last modified 2013-08-21 14:04:38)