12 if ($arg && $arg eq "config") {
 
  13         print "graph_title rrdcached stats\n";
 
  14         print "QueueLength.label Queue length\n";
 
  15         print "UpdatesReceived.label UpdatesReceived\n";
 
  16         print "UpdatesReceived.type DERIVE\n";
 
  17         print "FlushesReceived.label FlushesReceived\n";
 
  18         print "FlushesReceived.type DERIVE\n";
 
  19         print "UpdatesWritten.label UpdatesWritten\n";
 
  20         print "UpdatesWritten.type DERIVE\n";
 
  21         print "DataSetsWritten.label DataSetsWritten\n";
 
  22         print "DataSetsWritten.type DERIVE\n";
 
  23         print "TreeNodesNumber.label TreeNodesNumber\n";
 
  24         print "TreeDepth.label TreeDepth\n";
 
  25         print "JournalBytes.label JournalBytes\n";
 
  26         print "JournalBytes.type DERIVE\n";
 
  27         print "JournalRotate.label JournalRotate\n";
 
  28         print "JournalRotate.type DERIVE\n";
 
  32 my $sock = new IO::Socket::UNIX(
 
  34         Peer => "/var/run/rrdcached.sock",
 
  35 ) or die "Cannot open socket : $!";
 
  37 print $sock "STATS\n";
 
  42 print map { s/: /.value /; $_; } <$sock>;