alarm rtc

http://sharp2wing.iteye.com/blog/1329518

http://blog.csdn.net/sking002007/article/details/6593809

ioctl:

http://blog.chinaunix.net/uid-14753126-id-204386.html

http://wenku.baidu.com/view/89c22f727fd5360cba1adb62.html

http://www.embedu.org/Column/Column456.htm

http://blog.csdn.net/qq429205464/article/details/7822442

http://www.circlemud.org/jelson/software/fusd/docs/node30.html

http://www.groad.net/bbs/thread-1212-1-1.html

 http://blog.csdn.net/qq429205464/article/details/7822442

总结：

1.工具类：

vim ssh gerrit git gitk adb gbs zypper

autoconf cmake spec patch pkg-config

gdb coredump

perf oprofile matrix bytimechart ftrace tltng?

2.suspend类：

earlysuspend runtime模型 suspend-resume流程

一个线程在running，可以suspend吗？

ioctl( /dev/alarm ) blocking，可以suspend吗？

3.os组件类:

android/tizen alarm/clock/rtc整体流程

camera app / camcorder framework / gstreamer framework / gstreamer plugin /v4l2 framework

display / graphic / X / overlay / ctexture / windowmanager

audio app / framework / gstreamer / pulseaudio / alsa

power manager

sensor framework

4.kernel类：

hrtimer wakelock irq spinlock ....

5.hardware: cpu camera audio speaker

c-states/p-states acpi

camera sensors

display mipi chip?

6.原理类：

 g main loop / poll input event / dispatch

android alarm:

http://wenku.baidu.com/view/7e0b58a0f524ccbff121841c.html

http://wenku.baidu.com/view/2b543d7f27284b73f242507a.html

http://wenku.baidu.com/view/f76108e59b89680203d825ff.html

hrtimer:

http://blog.csdn.net/droidphone/article/details/8074892