[yocto] A question on adding a new program to a new meta layer

Insop Song insop.song at gmail.com
Fri Mar 8 03:10:14 PST 2013 

Moved to master and built 3.8 with "standard/edf" branch and all working fine.

Thank you.

Insop

On Thu, Mar 7, 2013 at 5:47 PM, Bruce Ashfield
<bruce.ashfield at windriver.com> wrote:
> On 13-03-07 5:02 PM, Insop Song wrote:
>>
>> One observation and question:
>>
>> 1. I can build core-image-minimal/sato with meta-dl (with github 3.8
>> or yocto-3.8 kernel) with yocto on "danny-8.0" tag
>> 2. I cannot build a successfully bootable core-image-minimal (with
>> meta-dl) with yocto on "1.4_M4" tag,
>> the image was stuck during booting..
>>
>> My build machine is Ubuntu 12.04 LTS.
>>
>> Before I debug more, I want to check with you to see if there is any
>> thing that you can think of.
>> Since I am planning to move to the yocto's master, so that I can pick
>> up "linux-yocto_3.8.bb".
>
>
> Nothing comes to mind. It all depends on what target you are using, and
> if you are using the 'defconfig' that you mentioned earlier. Switching
> to the linux-yocto policy and BSP fragments will likely fix your problem.
>
> Bruce
>
>
>>
>> Thank you,
>>
>> Insop
>>
>>
>> On Thu, Mar 7, 2013 at 6:05 AM, Bruce Ashfield
>> <bruce.ashfield at windriver.com>  wrote:
>>>
>>> On 13-03-07 03:26 AM, Insop Song wrote:
>>>>
>>>>
>>>> Hi Bruce,
>>>>
>>>> One more question on 3.8 kernel.
>>>> Is "meta/recipes-kernel/linux/linux-yocto_3.8.bb" added soon as well in
>>>> 1.4?
>>>
>>>
>>>
>>> It's in master as of a few days ago. So it's available and
>>> ready for use.
>>>
>>> Cheers,
>>>
>>> Bruce
>>>
>>>
>>>>
>>>> I am using 1.4_M4.final now.
>>>>
>>>> Thank you.
>>>>
>>>> Insop
>>>>
>>>> On Wed, Mar 6, 2013 at 9:05 PM, Insop Song<insop.song at gmail.com>  wrote:
>>>>>
>>>>>
>>>>> Bruce,
>>>>>
>>>>> That's very good. I will bring linux-yocto-3.8 kernel to meta-dl.
>>>>> (https://github.com/insop/meta-dl/tree/linux-yocto-3.8)
>>>>>
>>>>> The purposes of meta-dl are the following three:
>>>>> 1. easy to use sched_deadline by providing recipes-kernel that includes
>>>>> - git url including github and from yocto-kernel
>>>>>
>>>>> 2. easy to test and validate sched_deadline with automated
>>>>> reproducible test suits
>>>>> - currently, rt-app and schedtool are included in meta-dl
>>>>> - will add test scripts
>>>>>
>>>>> 3. provide and test on different targets/bsps
>>>>> - will prepare and test on different targets (bsp)
>>>>>
>>>>> #1 is done as I've tested with kernel from github from Juri and
>>>>> yocto-kernel-3.8 that you've merged.
>>>>> #2 and #3 are in-progress.
>>>>>
>>>>> I've talked Juri the other day and gather information on testing
>>>>> methods and scripts so I will include this to meta-dl.
>>>>>
>>>>> I agree that it's good to coordinate the effort, so please feel free
>>>>> to let me know if you have any suggestion.
>>>>>
>>>>> Regards,
>>>>>
>>>>> Insop
>>>>>
>>>>> * updated kernel recipes
>>>>> @ -9,12 +9,15 @@ inherit kernel
>>>>>
>>>>>    #SRCREV ="031d31cfaa1e0c00122bf52639e340353d3b8360"
>>>>>    SRCREV ="${AUTOREV}"
>>>>> -KBRANCH = "sched-dl-V7"
>>>>> -SRC_URI =
>>>>> "git://github.com/insop/sched-deadline;protocol=git;branch=${KBRANCH}
>>>>> \
>>>>> +#KBRANCH = "sched-dl-V7"
>>>>> +#SRC_URI =
>>>>> "git://github.com/insop/sched-deadline;protocol=git;branch=${KBRANCH}
>>>>> \
>>>>> +#           file://defconfig "
>>>>> +KBRANCH = "standard/edf"
>>>>> +SRC_URI =
>>>>>
>>>>> "git://git.yoctoproject.org/linux-yocto-3.8;protocol=git;branch=${KBRANCH}
>>>>> \
>>>>>               file://defconfig "
>>>>>
>>>>>    PV = "3.8"
>>>>> -PR = "dl7"
>>>>> +PR = "dl"
>>>>>
>>>>>    KSRC ?= ""
>>>>>    S = '${@base_conditional("KSRC", "", "${WORKDIR}/git", "${KSRC}",
>>>>> d)}'
>>>>>
>>>>> Thank you.
>>>>>
>>>>> Insop
>>>>>
>>>>> On Wed, Mar 6, 2013 at 8:00 PM, Bruce Ashfield
>>>>> <bruce.ashfield at windriver.com>  wrote:
>>>>>>
>>>>>>
>>>>>> On 13-03-05 1:54 AM, Insop Song wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> I am preparing a new meta layer for testing and promoting a
>>>>>>> sched_deadline scheduler, called "meta-dl". I am planning to add
>>>>>>> scheduler testing tools and different kernel versions as well.
>>>>>>> - http://insop.github.com/meta-dl/
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> FYI: I've already merged and staged sched_dl in linux-yocto_3.8:
>>>>>>
>>>>>>
>>>>>>
>>>>>> http://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto-3.8/log/?h=standard/edf
>>>>>>
>>>>>> I'll be supporting it there as well, so it makes sense to coordinate
>>>>>> our efforts around kernels, configurations and benchmarks.
>>>>>>
>>>>>> Juri and I talked about this @ ELC a few weeks ago (I've added
>>>>>> him to the cc as well), and rather than hiding sched_deadline
>>>>>> kernel support in a custom kernel layer, I'd like to try and get
>>>>>> more eyes on it via linux-yocto .. so if we can all coordinate our
>>>>>> efforts here, that would be much better.
>>>>>>
>>>>>> Cheers,
>>>>>>
>>>>>> Bruce
>>>>>>
>>>>>>>
>>>>>>> With the help of hands-on kernel lab (thank you Tom and Darren), I am
>>>>>>> able to make kernel with sched_deadline enabled.
>>>>>>>
>>>>>>>
>>>>>>> Now, I am having some trouble of adding testing tools to this
>>>>>>> meta-dl,
>>>>>>> and hope I can get some help from you.
>>>>>>>
>>>>>>> - problem: adding a new software into my meta-dl layer
>>>>>>>
>>>>>>> - symtom and questions?
>>>>>>> 1. bitbake core-image-minimal (normal image build) won't include the
>>>>>>> additional program that I listed in .bb file below
>>>>>>> 2. If I do "bitbake schedtool-dl -c install" it builds and install,
>>>>>>> but at "i586" location instead of my machine staging rootfs
>>>>>>> (dl-qemux86)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> - Here is my .bb file that pulls an additional program.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> https://github.com/insop/meta-dl/blob/sched-dl-V7/recipes-tools/schedtool-dl/schedtool-dl.bb
>>>>>>> ===
>>>>>>> DESCRIPTION = "schedtool-dl (scheduler test tool) for deadline
>>>>>>> scheduler"
>>>>>>> HOMEPAGE = "https://github.com/insop/schedtool-dl"
>>>>>>> SECTION = "base"
>>>>>>> LICENSE = "GPLv2"
>>>>>>> LIC_FILES_CHKSUM =
>>>>>>> "file://Makefile;endline=55;md5=e4b4e8ed9c2132e1d727a1bb5e3bd984"
>>>>>>> PR = "r1"
>>>>>>>
>>>>>>> SRC_URI = "git://github.com/insop/schedtool-dl.git;protocol=git"
>>>>>>> SRCREV = "${AUTOREV}"
>>>>>>>
>>>>>>> S = "${WORKDIR}/git"
>>>>>>>
>>>>>>> do_compile() {
>>>>>>>            oe_runmake
>>>>>>> }
>>>>>>>
>>>>>>> do_install() {
>>>>>>>            oe_runmake install DESTDIR=${D}
>>>>>>> }
>>>>>>>
>>>>>>> PARALLEL_MAKE = ""
>>>>>>>
>>>>>>> BBCLASSEXTEND = "native"
>>>>>>>
>>>>>>> COMPATIBLE_MACHINE_dl-qemux86 = "dl-qemux86"
>>>>>>> ====
>>>>>>>
>>>>>>>
>>>>>>> - I've updated my conf/layer.conf file to include above file
>>>>>>> https://github.com/insop/meta-dl/blob/sched-dl-V7/conf/layer.conf
>>>>>>> ====
>>>>>>> # We have a conf and classes directory, add to BBPATH
>>>>>>> BBPATH := "${BBPATH}:${LAYERDIR}"
>>>>>>>
>>>>>>> # We have a recipes directory, add to BBFILES
>>>>>>> BBFILES := "${BBFILES} ${LAYERDIR}/recipes-*/*/*.bb \
>>>>>>>            ${LAYERDIR}/recipes-*/*/*.bbappend"
>>>>>>>
>>>>>>> BBFILE_COLLECTIONS += "dl-qemux86"
>>>>>>> BBFILE_PATTERN_dl-qemux86 := "^${LAYERDIR}/"
>>>>>>> BBFILE_PRIORITY_dl-qemux86 = "6"
>>>>>>> =====
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Thank you.
>>>>>>>
>>>>>>> Regards,
>>>>>>>
>>>>>>> Insop
>>>>>>>
>>>>>>>
>>>>>>> - ref:
>>>>>>> 1. sched_deadline:
>>>>>>> https://events.linuxfoundation.org/events/linuxcon-europe/song
>>>>>>> 2. sched_deadline:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> http://events.linuxfoundation.org/images/stories/slides/elc2013_kobayashi.pdf?a
>>>>>>> _______________________________________________
>>>>>>> yocto mailing list
>>>>>>> yocto at yoctoproject.org
>>>>>>> https://lists.yoctoproject.org/listinfo/yocto
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>
>>>
>

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