bc10-router/kernel update
[
Front page
] [
New
|
List of pages
|
Search
|
Recent changes
]
Start:
[[bc10]]
[[bc10-router]]
#contents
* Updating bc10-router kernel [#wef870cf]
>
Use arago-console-image as the boot image of bc10-router....
~
kernel is specified at the file, which is located at {HOM...
PREFERRED_PROVIDER_virtual/kernel = "linux-stable"
This indicates that {Home}/oe/arago/recipes/linux/linux-s...
~
3.3.7 stable kernel is cloned from git://git.kernel.org/p...
and two patches will be applied to this downloaded kernel...
~
The names of the patches are shown below.~
- 0001-ARM-OMAP-Cleanup-Beagleboard-DVI-reset-gpio.patch~
- 0001-ARM-OMAP2-UART-Fix-incorrect-population-of-default...
To use bitbake, the kernel, which is applied to these pat...
>
Using the default kernel, the performance of bc10-router ...
- Higher network throughputs~
- Faster network connection for wireless LAN~
- Less power consumption~
>
Since Android equipped smart-phones have become common in...
~
** Method of updating kernel [#kd577c70]
>
To update the kernel for bc10, the kernel source code for...
*** RobertCNelson repository [#e9fbbcad]
>
The build environment is downloaded form RobertCNelson re...
Download the whole build environment from RovertCNellson ...
[[https://github.com/RobertCNelson/linux-dev.git ]]~
$ mkdir {work_dir}
$ cd ~/{work_dir}
$ git clone https://github.com/RobertCNelson/linux-dev.git
$ cd linux-dev
Please execute version.sh to make sure which version of k...
#Kernel/Build
KERNEL_REL=3.8
KERNEL_TAG=${KERNEL_REL}-rc3
BUILD=d0
As of writing this document, the end of January 2013, the...
$ git branch -a
* master
remotes/origin/HEAD -> origin/master
remotes/origin/am33x-v3.1
remotes/origin/am33x-v3.2
remotes/origin/am33x-v3.6
remotes/origin/am33x-v3.7
remotes/origin/master
$ git checkout -b am33x-v3.7 remotes/origin/am33x-v3.7
As the build target is shifted from 3.8 to 3.7, the confi...
$ cp system.sh.sample system.sh
As the default, The configurations of ARM GCC CROSS Compi...
#ARM GCC CROSS Compiler: (See hints in Readme, for diffe...
#CC=arm-linux-gnueabi-
CC=arm-arago-linux-gnueabi-
###OPTIONAL: BUILD_UIMAGE: also build uImage vs just zIm...
#
BUILD_UIMAGE=1
###OPTIONAL: ZRELADDR: needed when building uImage's.
#
##For TI: OMAP3/4/AM35xx
ZRELADDR=0x80008000
Setting PATH to Cross Toolchain of ti-sdk-beagleboard-05....
$ export PATH={HOME}/ti-sdk-beagleboard-05.05.01.00/linu...
$ ./build_kernel.sh
Executing the command, git clone the kernel source to the...
Then, checkout 3.72 kernel to the directory of ~/{work_di...
Applying patches for ARM, OMAP, and beagleboard, separate...
As Config is completed, the settings are saved (the compl...
$ ls -1
3.7.2-bone4.1-dtbs.tar.gz
3.7.2-bone4.1-firmware.tar.gz
3.7.2-bone4.1-headers.tar.gz
3.7.2-bone4.1-modules.tar.gz
3.7.2-bone4.1.config
3.7.2-bone4.1.uImage
3.7.2-bone4.1.zImage
dtbs/
fir/
headers/
mod/
dtbs is required for booting DeviceTree, which is adapted...
Only uImage (3.7.2-bone4.1uImage) and module (3.7.2-bone-...
~
Once the build process, done with build_kernel.sh, has be...
$ ./tools/rebuild.sh
These created files are copied to the boot image of bc10...
$ sudo -s
# cp 3.7.2-bone4.1.uImage /media/FAT/uImage
# tar xvfz 3.7.2-bone4.1-modules.tar.gz -C /media/EXT3
This is the end of updating to 3.7.2 kernel, which is dow...
*** kernel.org? [#g517e364]
>
The default kernel of arago project consists of 3.3.7 sta...
~
This part explains how to update the kernel, which is dis...
~
First, obtain the newest kernel at the stable branch of k...
$ cd ~/
$ wget http://www.kernel.org/pub/linux/kernel/v3.0/linux...
$ tar xvfj linux-3.7.2.tar.bz2
Set PATH to Toolchain of ti-sdk-beagleboard-05.05.01.00~
$ export PATH={HOME}/ti-sdk-beagleboard-05.05.01.00/linu...
To make kernel config similar to default kernel of arago ...
$ cp {HOME}/oe/arago-tmp/work/beagleboard-arago-linux-gn...
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- o...
To configure for 3.7.2 kernel, there are the new setting ...
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- m...
As finishing the configuration, please start the build pr...
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi-
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- u...
After the build process of kernel is finished, the kernel...
$ mkdir tmp_install
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- m...
As the provisional installation is completed, tmp_inatall...
~
The all needed files are uImage of arch/arm/boot/uImage a...
$ sudo -s
# cp arch/arm/boot/uImage /media/FAT/uImage
# cd tmp_install
# cp -a lib/ /media/EXT3/
This is the end of updating process, which is using 3.7....
** Wi-Fi throughput [#s3a232a3]
>
There is a comparison of throughput between the default v...
~
bc10-router is booted with the router mode, and level of ...
*** Between bc10-router wlan0 and PC [#s0dc08a9]
>
Measured by nuttcp~
WAN side: bc10-router nuttcp -S~
LAN side: PC nuttcp 192.168.30.1~
>
- 3.3.7~
kernel version (Detail)~
# uname -a
Linux bc10-router 3.3.7 #1 Mon Nov 26 22:45:08 JST 2012 ...
BogoMIPS~
# cat /proc/cpuinfo | grep BogoMIPS
BogoMIPS : 581.89
~
Throughput (Average of 10 measurements)~
|n | 1| 2| 3| 4| 5| 6| ...
|Mbps |50.7863|55.0793|53.6637|54.0530|52.7941|55.5915|...
|%TX |6 |6 |7 |7 |6 |7 |...
|%RX |23 |25 |24 |24 |24 |25 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |1.27 |1.62 |1.49 |1.40 |1.33 |1.35 |...
>
- 3.7.2~
kernel version (Detail)~
# uname -a
Linux bc10-router 3.7.2-bone4.1 #3 Wed Jan 16 14:35:07 J...
BogoMIPS~
# cat /proc/cpuinfo | grep BogoMIPS
BogoMIPS : 388.12
~
Throughput (Average of 10 measurements)~
|n | 1| 2| 3| 4| 5| 6| ...
|Mbps |36.3708|37.5193|37.8842|37.2199|37.4805|37.3811|...
|%TX |4 |4 |8 |8 |8 |8 |...
|%RX |25 |27 |28 |27 |26 |27 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |1.81 |1.92 |1.71 |1.73 |1.84 |2.08 |...
>
Comparing the averages between two settings, the update o...
~
Since 3.7 kernel, the kernel for ARM architecture is also...
~
To seek the performance, better off to use arago-project'...
* Revision History [#pd9ad093]
~
-2013-07-29 This article is initially uploaded.~
End:
[[bc10]]
[[bc10-router]]
#contents
* Updating bc10-router kernel [#wef870cf]
>
Use arago-console-image as the boot image of bc10-router....
~
kernel is specified at the file, which is located at {HOM...
PREFERRED_PROVIDER_virtual/kernel = "linux-stable"
This indicates that {Home}/oe/arago/recipes/linux/linux-s...
~
3.3.7 stable kernel is cloned from git://git.kernel.org/p...
and two patches will be applied to this downloaded kernel...
~
The names of the patches are shown below.~
- 0001-ARM-OMAP-Cleanup-Beagleboard-DVI-reset-gpio.patch~
- 0001-ARM-OMAP2-UART-Fix-incorrect-population-of-default...
To use bitbake, the kernel, which is applied to these pat...
>
Using the default kernel, the performance of bc10-router ...
- Higher network throughputs~
- Faster network connection for wireless LAN~
- Less power consumption~
>
Since Android equipped smart-phones have become common in...
~
** Method of updating kernel [#kd577c70]
>
To update the kernel for bc10, the kernel source code for...
*** RobertCNelson repository [#e9fbbcad]
>
The build environment is downloaded form RobertCNelson re...
Download the whole build environment from RovertCNellson ...
[[https://github.com/RobertCNelson/linux-dev.git ]]~
$ mkdir {work_dir}
$ cd ~/{work_dir}
$ git clone https://github.com/RobertCNelson/linux-dev.git
$ cd linux-dev
Please execute version.sh to make sure which version of k...
#Kernel/Build
KERNEL_REL=3.8
KERNEL_TAG=${KERNEL_REL}-rc3
BUILD=d0
As of writing this document, the end of January 2013, the...
$ git branch -a
* master
remotes/origin/HEAD -> origin/master
remotes/origin/am33x-v3.1
remotes/origin/am33x-v3.2
remotes/origin/am33x-v3.6
remotes/origin/am33x-v3.7
remotes/origin/master
$ git checkout -b am33x-v3.7 remotes/origin/am33x-v3.7
As the build target is shifted from 3.8 to 3.7, the confi...
$ cp system.sh.sample system.sh
As the default, The configurations of ARM GCC CROSS Compi...
#ARM GCC CROSS Compiler: (See hints in Readme, for diffe...
#CC=arm-linux-gnueabi-
CC=arm-arago-linux-gnueabi-
###OPTIONAL: BUILD_UIMAGE: also build uImage vs just zIm...
#
BUILD_UIMAGE=1
###OPTIONAL: ZRELADDR: needed when building uImage's.
#
##For TI: OMAP3/4/AM35xx
ZRELADDR=0x80008000
Setting PATH to Cross Toolchain of ti-sdk-beagleboard-05....
$ export PATH={HOME}/ti-sdk-beagleboard-05.05.01.00/linu...
$ ./build_kernel.sh
Executing the command, git clone the kernel source to the...
Then, checkout 3.72 kernel to the directory of ~/{work_di...
Applying patches for ARM, OMAP, and beagleboard, separate...
As Config is completed, the settings are saved (the compl...
$ ls -1
3.7.2-bone4.1-dtbs.tar.gz
3.7.2-bone4.1-firmware.tar.gz
3.7.2-bone4.1-headers.tar.gz
3.7.2-bone4.1-modules.tar.gz
3.7.2-bone4.1.config
3.7.2-bone4.1.uImage
3.7.2-bone4.1.zImage
dtbs/
fir/
headers/
mod/
dtbs is required for booting DeviceTree, which is adapted...
Only uImage (3.7.2-bone4.1uImage) and module (3.7.2-bone-...
~
Once the build process, done with build_kernel.sh, has be...
$ ./tools/rebuild.sh
These created files are copied to the boot image of bc10...
$ sudo -s
# cp 3.7.2-bone4.1.uImage /media/FAT/uImage
# tar xvfz 3.7.2-bone4.1-modules.tar.gz -C /media/EXT3
This is the end of updating to 3.7.2 kernel, which is dow...
*** kernel.org? [#g517e364]
>
The default kernel of arago project consists of 3.3.7 sta...
~
This part explains how to update the kernel, which is dis...
~
First, obtain the newest kernel at the stable branch of k...
$ cd ~/
$ wget http://www.kernel.org/pub/linux/kernel/v3.0/linux...
$ tar xvfj linux-3.7.2.tar.bz2
Set PATH to Toolchain of ti-sdk-beagleboard-05.05.01.00~
$ export PATH={HOME}/ti-sdk-beagleboard-05.05.01.00/linu...
To make kernel config similar to default kernel of arago ...
$ cp {HOME}/oe/arago-tmp/work/beagleboard-arago-linux-gn...
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- o...
To configure for 3.7.2 kernel, there are the new setting ...
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- m...
As finishing the configuration, please start the build pr...
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi-
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- u...
After the build process of kernel is finished, the kernel...
$ mkdir tmp_install
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- m...
As the provisional installation is completed, tmp_inatall...
~
The all needed files are uImage of arch/arm/boot/uImage a...
$ sudo -s
# cp arch/arm/boot/uImage /media/FAT/uImage
# cd tmp_install
# cp -a lib/ /media/EXT3/
This is the end of updating process, which is using 3.7....
** Wi-Fi throughput [#s3a232a3]
>
There is a comparison of throughput between the default v...
~
bc10-router is booted with the router mode, and level of ...
*** Between bc10-router wlan0 and PC [#s0dc08a9]
>
Measured by nuttcp~
WAN side: bc10-router nuttcp -S~
LAN side: PC nuttcp 192.168.30.1~
>
- 3.3.7~
kernel version (Detail)~
# uname -a
Linux bc10-router 3.3.7 #1 Mon Nov 26 22:45:08 JST 2012 ...
BogoMIPS~
# cat /proc/cpuinfo | grep BogoMIPS
BogoMIPS : 581.89
~
Throughput (Average of 10 measurements)~
|n | 1| 2| 3| 4| 5| 6| ...
|Mbps |50.7863|55.0793|53.6637|54.0530|52.7941|55.5915|...
|%TX |6 |6 |7 |7 |6 |7 |...
|%RX |23 |25 |24 |24 |24 |25 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |1.27 |1.62 |1.49 |1.40 |1.33 |1.35 |...
>
- 3.7.2~
kernel version (Detail)~
# uname -a
Linux bc10-router 3.7.2-bone4.1 #3 Wed Jan 16 14:35:07 J...
BogoMIPS~
# cat /proc/cpuinfo | grep BogoMIPS
BogoMIPS : 388.12
~
Throughput (Average of 10 measurements)~
|n | 1| 2| 3| 4| 5| 6| ...
|Mbps |36.3708|37.5193|37.8842|37.2199|37.4805|37.3811|...
|%TX |4 |4 |8 |8 |8 |8 |...
|%RX |25 |27 |28 |27 |26 |27 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |1.81 |1.92 |1.71 |1.73 |1.84 |2.08 |...
>
Comparing the averages between two settings, the update o...
~
Since 3.7 kernel, the kernel for ARM architecture is also...
~
To seek the performance, better off to use arago-project'...
* Revision History [#pd9ad093]
~
-2013-07-29 This article is initially uploaded.~
Page:
![[PukiWiki]](image/bc_logo.png "[PukiWiki]"){kind=logo}
