feat(utils): add latency trace tool

[foreverneverer]

Support latency trace for find the problem, the points dump as follow:

        ************[TRACE.root]***********
        TRACE:name=stage0, span=10   , total=10   , ts=1595401173054858118
        TRACE:name=stage1, span=5937 , total=5947 , ts=1595401173054864055
        TRACE:name=stage2, span=492  , total=6439 , ts=1595401173054864547
        ************[TRACE.sub]************
        TRACE:name=stage0, span=10   , total=10   , ts=1595401173054860844
        TRACE:name=stage1, span=6007 , total=6017 , ts=1595401173054866851

TRACE.root.1: "root" is the tracer name, "1" is the tracer id

New Config

[replication]
enable_latency_tracer = false