rust程序性能分析with Flame Graphs

https://github.com/cambrian/accumulator/blob/master/flamegraph.sh中有利用火焰图进行性能分析。

dtrace在linux 4.15系统版本上编译安装存在Redefinition of `struct in6_addr’ 问题。

参考资料：
[1] https://github.com/brendangregg/FlameGraph
[2] http://www.brendangregg.com/flamegraphs.html
[3] https://www.usenix.org/conference/atc17/program/presentation/gregg-flame
[4] https://github.com/cambrian/accumulator/blob/master/flamegraph.sh
[5] https://github.com/dtrace4linux/linux/