rrdtool: An opensource data logging and graphing system for time series data
rrdtool:
rrdtool: RRDtool is the OpenSource industry standard, high performance data
rrdtool: logging and graphing system for time series data. Use it to write
rrdtool: your custom monitoring shell scripts or create whole applications
rrdtool: using its Perl, Python, Ruby, TCL or PHP bindings
rrdtool: 
rrdtool: 
rrdtool: 
rrdtool: 
rrdtool: