Questions tagged [android-kernel]

Core component of Android OS that bridges between applications and the actual data processing done at the hardware level. It is based on the Linux kernel.

218 questions
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Systrace - error truncating /sys/kernel/debug/tracing/set_ftrace_filter: No such device (19) unable to start

I am currently working on a project which aims to find out what the system is doing behind a series of user interaction on the android UI. For example, if user click send button in Facebook Messenger, the measured response time for such action is…
M.Mike
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.config not getting updated after modification to tegra3_android_defconfig

.config not getting updated after modification to tegra3_android_defconfig After adding a module(MODULE_XX_CONFIG=y) inside tegra3_android_defconfig, I did "make tegra3_android_defconfig" though the build is successful, the generated .config doesn't…
aTJ
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Building Nexus 6 (shamu) kernel with module load enabled

I need to modify Shamu msm kernel to enable loading of driver modules. When i try using the below flags in shamu_defconfig, I get build errors. CONFIG_MODULES=y Is there any dependency for enabled module load in Shamu kernel ?
Anup Warnulkar
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Android Kernel Development using linux

I am interested in developing kernel for android phones. I searched on internet about android kernel development and i got how to build kernel on linux machine means only how to use tools for create a custom kernel but i want to know how to write…
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How to communicate with pic micro controller using Android device via UART pin?

I have a ODROID C2 with Android 5.1. It has an UART pin. I want to communicate with pic micro controller using UART serial communication. I tried this. i can see uart port on device manager.but the problem is i cant install app on the device. it…
Aadhi
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ilandroid wifi api to block uploading operation and allow only download

When WiFi is set to ON, is there a way to block outgoing data connection and allow only incoming data connection? Can it be controlled at framework level? If yes, can you please shed some light on this? I don't want to send data out and would be…
ShreeVidhya
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Transmit at the 300 MHZ - 400 MHZ range

Is there any piece of hardware in a modern Android phone (Galaxy S5+) that can transmit at the 300-400 MHZ range? If so does this require cracking the radio ROM or is there a simple way to do this?
Mikeb
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