heysion / EAS-study

EAS-scheduler-study

1. Study EAS and some study documents.
2. Use some debug tools to debug performance and power problem.
3. Summary debug case methods and document.
4. Summary study document.

当前添加的计划以及实现情况如下：

1. 对于WALT study完毕
2. governor,shcedutil/schedfreq governor学习完毕,添加一些trace event来跟踪freq的变化
3. cfs调度算法---完成70% 在文件scheduler-study中
4. sched domain学习9.10开始,是负载均衡的关键