rdkafka_performance: Added "-G <pipe command>" to pipe stats output directly to command.
rdkafka_performance: Added "-G <pipe command>" to pipe stats output directly to command.

lsniks/librdkafka,okman1214/librdkafka,stromnet/librdkafka,zhangjingpu/librdkafka,zhangjingpu/librdkafka,orthrus/librdkafka,stromnet/librdkafka,frew/librdkafka,okman1214/librdkafka,bhuvanaurora/librdkafka,zhangjingpu/librdkafka,tempbottle/librdkafka,senior7515/librdkafka,bwelling/librdkafka,lsniks/librdkafka,janmejay/librdkafka,bhuvanaurora/librdkafka,jszwedko/librdkafka,stromnet/librdkafka,tempbottle/librdkafka,jszwedko/librdkafka,bwelling/librdkafka,senior7515/librdkafka,okman1214/librdkafka,vincentbernat/librdkafka,smanders/librdkafka,wzb56/librdkafka,okman1214/librdkafka,smanders/librdkafka,klonikar/librdkafka,tattsun/librdkafka,frew/librdkafka,vganapathi/librdkafka,janmejay/librdkafka,zhangjingpu/librdkafka,vganapathi/librdkafka,wzb56/librdkafka,yazgoo/librdkafka,tattsun/librdkafka,bhuvanaurora/librdkafka,bhuvanaurora/librdkafka,senior7515/librdkafka,frew/librdkafka,wzb56/librdkafka,yazgoo/librdkafka,lsniks/librdkafka,smanders/librdkafka,jszwedko/librdkafka,jszwedko/librdkafka,rileyberton/librdkafka,vincentbernat/librdkafka,yazgoo/librdkafka,okman1214/librdkafka,janmejay/librdkafka,jszwedko/librdkafka,yazgoo/librdkafka,vincentbernat/librdkafka,tempbottle/librdkafka,vganapathi/librdkafka,lsniks/librdkafka,tattsun/librdkafka,stromnet/librdkafka,wzb56/librdkafka,frew/librdkafka,bwelling/librdkafka,vincentbernat/librdkafka,tempbottle/librdkafka,wzb56/librdkafka,zhangjingpu/librdkafka,smanders/librdkafka,frew/librdkafka,janmejay/librdkafka,lsniks/librdkafka,tattsun/librdkafka,bwelling/librdkafka,orthrus/librdkafka,vganapathi/librdkafka,smanders/librdkafka,vganapathi/librdkafka,orthrus/librdkafka,bhuvanaurora/librdkafka,rileyberton/librdkafka,klonikar/librdkafka,bwelling/librdkafka,senior7515/librdkafka,orthrus/librdkafka,klonikar/librdkafka,tattsun/librdkafka,klonikar/librdkafka,tempbottle/librdkafka,rileyberton/librdkafka,yazgoo/librdkafka,rileyberton/librdkafka,stromnet/librdkafka,rileyberton/librdkafka