tracer

http://people.canonical.com/~acelan/coscup-2010/Debugging%20Linux%20Kernel%20by%20Ftrace.pdf

http://lwn.net/Articles/365835/

http://xzpeter.org/?p=242

vim/git/alternatives:

http://blog.****.net/zhangwenyang2005/article/details/7220738

http://blog.****.net/csfreebird/article/details/7992164

http://blog.****.net/RichardYSteven/article/details/6069418

http://fsjoy.blog.51cto.com/318484/245465

p-state, c-state, t-state, acpi

http://www.coreboot.org/Welcome_to_coreboot

http://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface

http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf

http://www.acpi.info/

http://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface

http://oorja.iind.intel.com/mediawiki/index.php/Matrix

http://www.overclock.net/t/1058894/intel-acpi-guide-c-g-s-p-states-and-ocs

http://pic.dhe.ibm.com/infocenter/lnxinfo/v3r0m0/index.jsp?topic=%2Fliaai.cpufreq%2FCPUPerformanceStates.htm

http://www.biosren.com/thread-3060-1-1.html

http://bak2.beareyes.com.cn/2/lib/200707/19/20070719174_8.htm