On 9 April 2012 06:01, Kejun Zhou <kejun.zhou@linaro.org> wrote:
> Hi Rob,
> Would you tell me the CPUIDLE test steps in pm-qa?
>
> As the pm-qa needs to run in bash, and use the "make" tool, but the Android
> only has its own shell, the "make" tool is not available in Android system.

Why is pm-qa running make? Is it just to load the system?

>
> Thank a lot.
>
>
> Hi Zach,
> The limitation of Android system(bash and make) blocks the CPUIDLE too much.

Kejun, if make is just being used to make the system busy, we have
other tools for that. Talk to Amit about some of the commands he
integrated for big.LITTLE testing.

>
>
> BRs,
> Kejun
>
>
>
> On 7 April 2012 03:18, Andrey Konovalov <andrey.konovalov@linaro.org> wrote:
>>
>> Hi Kejun,
>>
>> Regarding your two questions below:
>> 1. Guess the questions on CPUIDLE implementation will be much better
>> answered by Rob Lee (Cc-ed).
>> 2. The PM WG has tests for their features:
>>
>> https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/QA/Scripts#Cpuidle
>>
>> https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/QA/Scripts#Pre-requisites
>>
>> Thanks,
>> Andrey
>>
>>
>> On 04/06/2012 01:29 PM, Kejun Zhou wrote:
>>>
>>> Hi Andrey,
>>>
>>> I am Kejun from Linaro Android team. I got a task to integrate the
>>> CPUIDLE to Linaro Android kernel branch from Zach.
>>>
>>> I found the CPUIDLE is included in linux-linaro-3.3-2012.03-2 from your
>>> email, and merged Snowball CPUIDLE to linaro-android-12.03-release
>>> kernel.
>>>
>>>
>>> I have some questions about how to verify whether this CPUIDLE feature
>>> is integrated or not.
>>>
>>> 1. I found that the cpu_do_idle() is executed. But the code in "if () "
>>> won't be executed after Android starting up. And the current is between
>>> 380mA ~ 490mA, I thinks when CPUIDLE is working, the current should be
>>> more low than 380mA.
>>>
>>> static inline int ux500_enter_idle(struct cpuidle_device *dev,
>>>                                    struct cpuidle_driver *drv, int index)
>>> {
>>>
>>> ..
>>>   if (atomic_inc_return(&master) == num_online_cpus()) {
>>>
>>> ..
>>>   }
>>>
>>> wfi:
>>>         cpu_do_idle()
>>>
>>> ...
>>> }
>>>
>>>
>>> 2. Is there some method to test the CPUIDLE feature from the Linux
>>> console?
>>>
>>> Thanks a lot.
>>>
>>> BRs,
>>> Kejun.
>>>
>>>
>>> On 28 March 2012 04:11, Andrey Konovalov <andrey.konovalov@linaro.org
>>> <mailto:andrey.konovalov@linaro.org>> wrote:
>>>
>>>    Greetings,
>>>
>>>    The Linaro Kernel Working Group (KWG) and the Linaro Platform
>>>    Group are excited to announce the availability our March 2012
>>>    development snapshot:
>>>
>>>    linux-linaro-3.3-2012.03-2
>>>
>>>    As the word "snapshot" implies, these are meant as development kernels
>>>    and have not been fully validated. You should expect issues and to
>>> help
>>>    us deliver a better kernel in the future, please file bugs in
>>>    Launchpad at
>>>    https://bugs.launchpad.net/__linux-linaro
>>>    <https://bugs.launchpad.net/linux-linaro>.
>>>
>>>
>>>    The source tarball is available at:
>>>
>>>
>>>  https://launchpad.net/linux-__linaro/devtrack/12.03/+__download/linux-linaro-3.3-__2012.03-2.tar.bz2
>>>
>>>
>>>  <https://launchpad.net/linux-linaro/devtrack/12.03/+download/linux-linaro-3.3-2012.03-2.tar.bz2>
>>>
>>>    The kernel sources can also be accessed using git at:
>>>      git://git.linaro.org/kernel/__linux-linaro-tracking.git
>>>    <http://git.linaro.org/kernel/linux-linaro-tracking.git>
>>>
>>>      tag: linux-linaro-3.3-2012.03-2
>>>
>>>    This kernel includes the following changes from the 2012.02 kernel:
>>>
>>>    - Update to 3.3
>>>
>>>    - Various patches from Linaro
>>>      * Versatile Express patches from ARM LT
>>>      * Gator module for ARM's Streamline Performance Ananlyzer from ARM
>>> LT
>>>      * updated irq_domain patch set from Grant L.
>>>      * cpuidle core consolidation, cpuidle support for i.MX5/6 and ST-E
>>>    u8500 from PM WG
>>>      * updated patch set support for common save and restore code to the
>>>    Samsung exynos platform from PM WG
>>>      * updated thermal_cpu_cooling patch set from the power management WG
>>>      * UFS patches from kernel WG
>>>      * eMMC4.5 patches from kernel WG
>>>      * initial dma-buf patch set and some related components for UMM
>>>
>>>    - AOSP 3.3 android patch set
>>>
>>>    A full change log against the 3.3 release is available at:
>>>    https://launchpad.net/linux-__linaro/devtrack/12.03
>>>
>>>    <https://launchpad.net/linux-linaro/devtrack/12.03>
>>>
>>>    High Priority Known Issues:
>>>
>>>    - ANDROID_RAM_CONSOLE must be disabled for the android kernel to boot.
>>>
>>>    _________________________________________________
>>>    linaro-dev mailing list
>>>    linaro-dev@lists.linaro.org <mailto:linaro-dev@lists.linaro.org>
>>>    http://lists.linaro.org/__mailman/listinfo/linaro-dev
>>>    <http://lists.linaro.org/mailman/listinfo/linaro-dev>
>>>
>>>
>>
>

--
Zach Pfeffer
Android Platform Team Lead, Linaro Platform Teams
Linaro.org | Open source software for ARM SoCs
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