Re: [android-porting] how do i redirect printk to adb shell?

[Deva R]

you can get android logs by "adb logcat"

printk traces might be tricky., as its kernel side, 'm not sure if we can grab it over adb.
try "adb dmesg" -> it can give last kernel printk buffer copy.,

On Sun, Jun 20, 2010 at 4:49 PM, B.Y <bubb...@gmail.com> wrote:

i have a device, and i want to port android to it.
now i can boot android on this device, and connect to it with adb, but
the device doesn't have a Serial output. so how do i make printk print
debug messages to adb shell?

thanks

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[Pavan Savoy]

echo 7 > /proc/sys/kernel/printk ?
the kernel debug message level for shells ?

--
--Pavan Savoy

[Deva R]

>echo 7 > /proc/sys/kernel/printk
how will this help for a device without serial port??
all bubbyyby got is adb connection., 'm also curious to know, if possible, how to redirect printk traces to adb.

[Pavan Savoy]

not even cat /proc/kmsg ?
hnm ... don't use much of adb .. have to check it out ...

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--Pavan Savoy

[Abhishek Srivastav]

We can use the following command to get dmesg print's over ADB.

$adb shell dmesg
~
Abhishek