pt-stalk-plugins === This repo contains plugins for pt-stalk (https://www.percona.com/doc/percona-toolkit/LATEST/pt-stalk.html) pt-stalk --function /path/trg_xxx --threshold 0 --daemonize --cycles 3 --interval 1 --dest=/path/pt_stalk_data --user= --ask-pass --host= --port= 可以查看这篇文章: https://www.percona.com/blog/2013/01/03/percona-toolkit-by-example-pt-stalk/