学习了pprof:
1. 总体指标:http://localhost:6060/debug/pprof
2. cpu:go tool pprof "http://localhost:6060/debug/pprof/profile?seconds=10"
3. heap:go tool pprof -http=:8080 "http://localhost:6060/debug/pprof/heap"
4. 协程:go tool pprof -http=:8080 "http://localhost:6060/debug/pprof/goroutine"
5. mutex:go tool pprof -http=:8080 "http://localhost:6060/debug/pprof/mutex"
6. block:go tool pprof -http=:8080 "http://localhost:6060/debug/pprof/block"
总结:pprof万能大法是top、list、web