[yocto] Building on target

Rick Bianchi bianchirickkutta at gmail.com
Tue Mar 18 10:49:02 PDT 2014


Should have noted, that the date and time reset on every reboot?


On Tue, Mar 18, 2014 at 10:48 AM, Rick Bianchi
<bianchirickkutta at gmail.com>wrote:

> Gary,
> I noticed during the make the it was complaining about the date being in
> the future; I checked and sure thing the date and time were bit off, about
> 14 years. I set it to the correct time  with "date --set="18 MARCH 2014
> 10:32:00" and the build completed in under 10 mins.
>
>
> On Fri, Mar 14, 2014 at 3:16 PM, Gary Thomas <gary at mlbassoc.com> wrote:
>
>> On 2014-03-14 08:49, Rick Bianchi wrote:
>> > If I have time today I will try to reproduce your results. If not, I
>> will get to it first thing next week and post my result.
>>
>> One thing I forgot to point out is I used the identical kernel+modules for
>> both setups.  I would be interested to see if that makes any difference
>> for
>> you.  I can't fully test it as my board doesn't have a Linaro kernel.
>>
>> So there are four combinations - I only tried the first two:
>>   Yocto kernel + Yocto rootfs
>>   Yocto kernel + Linaro rootfs
>>   Linaro kernel + Yocto rootfs
>>   Linaro kernel + Linaro rootfs
>>
>> > On Fri, Mar 14, 2014 at 7:38 AM, Gary Thomas <gary at mlbassoc.com<mailto:
>> gary at mlbassoc.com>> wrote:
>> >
>> >     On 2014-03-12 13:11, Rick Bianchi wrote:
>> >     > usbip from /usr/src/kernel/drivers/staging/usbip
>> >
>> >     I finally managed to make this comparison.  I did this by taking my
>> Poky/Yocto
>> >     built system for a i.MX6 system (ARM Cortex-A9) and replaced the
>> rootfs with
>> >     one for the Gumstix Overo (linaro).  The results were nothing like
>> yours, so
>> >     it's a bit confusing.
>> >
>> >     I actually built an entire Linux kernel - not just the one
>> directory you mentioned.
>> >
>> >     Poky/Yocto - 37 minutes
>> >     Linaro     - 48 minutes
>> >
>> >     There is some flex in these numbers as they were on different
>> [brand] SD cards, etc,
>> >     but I sure did not see the "5 minutes for Linaro vs 24 hours on
>> Yocto" that you reported.
>> >
>> >     Perhaps the only thing I did differently was I added the SDK tools
>> to my Yocto system
>> >     using these meta-packages instead of the list you used.
>> >       packagegroup-core-sdk packagegroup-core-standalone-sdk-target
>> >
>> >     You might try that to see if it makes any difference.
>> >
>> >     n.b. part of what took me so long to get these results is I was
>> trying to run this test
>> >     on something closer to your Overo board.  I have an older OMAP
>> DM3730 board here that I
>> >     tried to do these same steps, but it was unstable and I could not
>> get the Linaro based
>> >     file system to work at all.  Very strange.  In any case, I think
>> the comparison I did get
>> >     with the i.MX6 is valid.
>> >
>> >     > On Wed, Mar 12, 2014 at 11:44 AM, Gary Thomas <gary at mlbassoc.com<mailto:
>> gary at mlbassoc.com> <mailto:gary at mlbassoc.com <mailto:gary at mlbassoc.com>>>
>> wrote:
>> >     >
>> >     >     On 2014-03-12 10:09, Rick Bianchi wrote:
>> >     >     > I completely agree with regards to the comparison, but I
>> have compiled the same exact source on the same target (arm) and it only
>> took 5 minutes when running the Linaro image.
>> >     >     >
>> >     >     > To clarify, the only difference is the build, one is Linaro
>> (took 5 minutes to compile source on the target) and the other Yocto (took
>> almost 24 hours to compile source on the target).
>> >     >
>> >     >     Sorry, I missed that this was on the same hardware.
>> >     >
>> >     >     What are you building?  I'm going to try and duplicate this
>> here
>> >     >     on hardware I have that's quite similar to your Gumstix board.
>> >     >
>> >     >     >
>> >     >     > Is there something that I am missing?
>> >     >     >
>> >     >     >
>> >     >     > On Wed, Mar 12, 2014 at 8:28 AM, Gary Thomas <
>> gary at mlbassoc.com <mailto:gary at mlbassoc.com> <mailto:gary at mlbassoc.com<mailto:
>> gary at mlbassoc.com>> <mailto:gary at mlbassoc.com <mailto:gary at mlbassoc.com>
>> >     <mailto:gary at mlbassoc.com <mailto:gary at mlbassoc.com>>>> wrote:
>> >     >     >
>> >     >     >     On 2014-03-12 09:15, Rick Bianchi wrote:
>> >     >     >     >
>> >     >     >     > I have the gumstix-console-image with the added
>> packages below. When I compile on the target is take a very long time for
>> it to complete, over 24 hours. I have compiled the same
>> >     >     >     > code on the same target, but running Linaro image,
>> and it only takes a few minutes. Is there another recipe that I need to add
>> to the build to speed up compiling?
>> >     >     >
>> >     >     >     Doubtful.  The reason your build on the target takes so
>> long is merely
>> >     >     >     one of horsepower - that little ARM processor just
>> doesn't have it, especially
>> >     >     >     if you are comparing it to a typical desktop
>> environment.
>> >     >     >
>> >     >     >     > EXTRA_IMAGE_FEATURES += "dev-pkgs"
>> >     >     >     > IMAGE_INSTALL_append =" autoconf"
>> >     >     >     > IMAGE_INSTALL_append =" autofs"
>> >     >     >     > IMAGE_INSTALL_append =" automake"
>> >     >     >     > IMAGE_INSTALL_append =" ccache"
>> >     >     >     > IMAGE_INSTALL_append =" chkconfig"
>> >     >     >     > IMAGE_INSTALL_append =" dbus-glib"
>> >     >     >     > IMAGE_INSTALL_append =" gcc"
>> >     >     >     > IMAGE_INSTALL_append =" glib-2.0"
>> >     >     >     > IMAGE_INSTALL_append =" glib-networking"
>> >     >     >     > IMAGE_INSTALL_append =" glibmm"
>> >     >     >     > IMAGE_INSTALL_append ="
>> packagegroup-core-buildessential"
>> >     >     >     > IMAGE_INSTALL_append =" pciutils"
>> >     >     >     > IMAGE_INSTALL_append =" pkgconfig"
>> >     >     >     > IMAGE_INSTALL_append =" python-scons"
>> >     >     >     > IMAGE_INSTALL_append =" systemd-compat-units"
>> >     >     >     > IMAGE_INSTALL_append =" sysfsutils"
>> >     >     >     > IMAGE_INSTALL_append =" tcp-wrappers"
>> >     >     >     > IMAGE_INSTALL_append =" usbutils"
>> >     >     >     > IMAGE_INSTALL_append =" util-macros"
>> >
>> >     --
>> >     ------------------------------------------------------------
>> >     Gary Thomas                 |  Consulting for the
>> >     MLB Associates              |    Embedded world
>> >     ------------------------------------------------------------
>> >     --
>> >     _______________________________________________
>> >     yocto mailing list
>> >     yocto at yoctoproject.org <mailto:yocto at yoctoproject.org>
>> >     https://lists.yoctoproject.org/listinfo/yocto
>> >
>> >
>> >
>> >
>>
>> --
>> ------------------------------------------------------------
>> Gary Thomas                 |  Consulting for the
>> MLB Associates              |    Embedded world
>> ------------------------------------------------------------
>> --
>> _______________________________________________
>> yocto mailing list
>> yocto at yoctoproject.org
>> https://lists.yoctoproject.org/listinfo/yocto
>>
>
>
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