perf资料整理

http://www.brendangregg.com/perf.html
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/perf/Documentation/examples.txt
https://www.cnblogs.com/arnoldlu/p/6241297.html
https://linux.die.net/man/1/perf-script
https://github.com/brendangregg/FlameGraph
http://www.ibm.com/developerworks/cn/linux/l-cn-perf1/
https://blog.youkuaiyun.com/qq_15437667/article/details/50724330?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-2&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-2

https://github.com/peterx/linux-cd/blob/master/linux-0.11/tools/tree2dotx