[yocto] Building on target

Rick Bianchi bianchirickkutta at gmail.com
Tue Mar 18 11:57:36 PDT 2014


I am re-baking the gumstix-console-image; once I have it up and running I
will enable verbose mode and check scripts at shutdown.


On Tue, Mar 18, 2014 at 11:43 AM, Gary Thomas <gary at mlbassoc.com> wrote:

> On 2014-03-18 12:30, Rick Bianchi wrote:
> > I rebooted the system with the "reboot" command and then checked the
> date and time with "date", it did not hold the system time and date
> correctly Sat Jan 1 02:28:44 UTC 2000.
>
> There seems to be something very wrong with your startup/shutdown scripts
> as both this problem and the networking issue are handled by those scripts.
>
> Did you try turning on the verbose mode?  If so, you should see a line like
> this during shutdown:
>   INIT: [2014-03-18 17:33:20.978789236] Running /etc/rc6.d/S25save-rtc.sh
> stop...
> and another like these on reboot:
>   INIT: [1970-01-01 00:00:05.079166199] Running /etc/rcS.d/S40networking
> start...
>   INIT: [1970-01-01 00:00:05.103022145] Running /etc/rcS.d/S55bootmisc.sh
> start...
>
> > On Tue, Mar 18, 2014 at 10:55 AM, Gary Thomas <gary at mlbassoc.com<mailto:
> gary at mlbassoc.com>> wrote:
> >
> >     On 2014-03-18 11:49, Rick Bianchi wrote:
> >     > Should have noted, that the date and time reset on every reboot?
> >
> >     Unless you have a battery backed up clock device, e.g. Dallas RTC,
> >     this will happen.  If you shut your Yocto system down properly, e.g.
> >     using '# reboot', it will keep track of when you shut down and then
> >     set the clock to that time when you reboot.  Without a true RTC,
> there's
> >     little else that it can do unless you run NTP and get the time from
> some
> >     external server.
> >
> >     > On Tue, Mar 18, 2014 at 10:48 AM, Rick Bianchi <
> bianchirickkutta at gmail.com <mailto:bianchirickkutta at gmail.com> <mailto:
> bianchirickkutta at gmail.com <mailto: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 <mailto:gary at mlbassoc.com> <mailto:gary at mlbassoc.com<mailto:
> 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> <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 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>> <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<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 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>>> <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 <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> <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 <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
> >     >         >
> ------------------------------------------------------------
> >     >         >     --
> >     >         >     _______________________________________________
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> yocto at yoctoproject.org>> <mailto:yocto at yoctoproject.org
> >     <mailto:yocto at yoctoproject.org> <mailto:yocto at yoctoproject.org<mailto:
> yocto at yoctoproject.org>>>
> >     >         >     https://lists.yoctoproject.org/listinfo/yocto
> >     >         >
> >     >         >
> >     >         >
> >     >         >
> >     >
> >     >         --
> >     >
> ------------------------------------------------------------
> >     >         Gary Thomas                 |  Consulting for the
> >     >         MLB Associates              |    Embedded world
> >     >
> ------------------------------------------------------------
> >     >         --
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> >     >         yocto mailing list
> >     >         yocto at yoctoproject.org <mailto:yocto at yoctoproject.org>
> <mailto:yocto at yoctoproject.org <mailto:yocto at yoctoproject.org>>
> >     >         https://lists.yoctoproject.org/listinfo/yocto
> >     >
> >     >
> >     >
> >
> >     --
> >     ------------------------------------------------------------
> >     Gary Thomas                 |  Consulting for the
> >     MLB Associates              |    Embedded world
> >     ------------------------------------------------------------
> >
> >
> >
> >
>
> --
> ------------------------------------------------------------
> Gary Thomas                 |  Consulting for the
> MLB Associates              |    Embedded world
> ------------------------------------------------------------
> --
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