http://www.brendangregg.com/Perf/linux_observability_tools.png
https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1569722481&di=e2f575f2a221d7777cdebf34cac54367&imgtype=jpg&er=1&src=http%3A%2F%2Fwww.linuxdiyf.com%2Flinux%2Fuploads%2Fallimg%2F150509%2F2-150509100621953.jpg
linuxPerftools
原文：https://blog.51cto.com/476946/2442015
