Imports
- github.com/Sirupsen/logrus
- github.com/niean/goperfcounter
- github.com/open-falcon/falcon-plus/common/backend_pool
- github.com/open-falcon/falcon-plus/common/model
- github.com/open-falcon/falcon-plus/common/utils
- github.com/open-falcon/falcon-plus/modules/gateway/g
- github.com/toolkits/proc
- github.com/toolkits/container/list
- github.com/toolkits/concurrent/semaphore