Trace & Perf Support

[English version]

Samples

# StartTrace
curl -d '{"file": "trace_output.txt", "filter": "kTraceFilterNone"}' "http://somehost:port/db/mydb?cmd=StartTrace"
# EndTrace
curl -d '{}' "http://somehost:port/db/mydb?cmd=EndTrace"

Trace

Start	End
StartTrace	EndTrace
StartIOTrace	EndIOTrace
StartBlockCacheTrace	EndBlockCacheTrace

Reset

ResetPerf and ResetIOPerf, with optional parameter perf_level.