[ndnSIM] Help: trace files for metrics

[jinyangl at mail.ustc.edu.cn]

I also encounter the same question: In file "ndn-tree-tracers.cpp", i follow the advice that putting the InstallAll() before Simulatou::Run(),
like:
          Simulator::Stop(Seconds(20.0));
          ndn::L3RateTracer::InstallAll("rate-trace.txt", Seconds(0.5));
          Simulator::Run();
          Simulator::Destroy();
and i run ./waf --run=ndn-tree-tracers --vis  in documents ndnSIM/ns-3 ,so the file rate-trace.txt also be created in this document.
but i cannot find any data in rate-trace.txt only like :
Time Node FaceId FaceDescr Type Packets Kilobytes PacketRaw KilobytesRaw


when i run "Rscript src/ndnSIM/examples/graphs/rate-graph.R" , it has a error " no lines available in input"
can you give me some idea ?



jinyangl at mail.ustc.edu.cn
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