Android performance monitoring with bcc
Build kernel with bpf support In order to use bpf, kernel should be at least build with these options: +CONFIG_BPF=y +CONFIG_BPF_SYSCALL=y +CONFIG_BPF_EVENTS...
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Running LineageOS 16 on Raspberry Pi 3B
Setup Build Environment Follow instructions in Running Android Oreo on Raspberry Pi 3B to setup build environment under Ubuntu.
Scheduling task with crontab
I think schduling a job with crontab should be easy for me, as I am a veteran linux user, the truth is I don’t know crontab, totally.
Kernel memory debugging techniques
Linux kernel has many memory related debug tools to help kernel developers find out memory related issues, these tools are included in upstream kernel: Ke...
Raspberry pi 3B+ arm64 kernel boot message
rpi3:/ # dmesg [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.14.129-v8+ (fdbai@fdbai-desktop) (gcc version 5.4.0 20160609 (...
Learning Linux Shell
Check if a direcotry exists
Android native memory debugging
malloc_debug
Limiting resource usage with cgroups on Android
cgroups on Android cgroups(control groups for short) was created by Google engineers, and was merged into the mainline at 2008 in version 2.6.24, it was main...
Automate FTP transfer with shell script
Android build process takes a very long time, especially on low end computers, after build complete, I wanna transfer the final image to ftp server for furth...
Running LineageOS on Raspberry Pi 3B
Setup Build Environment Follow instructions in Running Android Oreo on Raspberry Pi 3B to setup build environment under Ubuntu.