Merge branch 'pr/401'

Merging a rebased branch for pull #401

plugins/gpu/nvidia_gpu_

@@ -17,10 +17,13 @@ This plugin uses the following configuration variables:
 
  [nvidia_gpu_*]
   env.smiexec - Location of nvidia-smi executable.
+  env.warning - Warning temperature
+  env.critical - Critical temperature
 
 =head2 DEFAULT CONFIGURATION
 
-The default configuration is to set "env.smiexec" to /usr/bin/nvidia-smi.
+The default configuration is to set "env.smiexec" to /usr/bin/nvidia-smi and
+assume warning and critical temperatures of 75 and 95 degrees celsius, respectively.
 
 =head2 EXAMPLE WILDCARD USAGE
 
@@ -28,6 +31,21 @@ C<ln -s /usr/share/munin/plugins/nvidia_gpu_ /etc/munin/plugins/nvidia_gpu_temp>
 
 ...will monitor the temperature of available GPUs.
 
+=head1 TODO
+
+=over 4
+
+=item *
+
+Add support for specific professional GPU features such as number of compute 
+processes, clocks, power draw, utilization, and so on.
+
+=item *
+
+Use multigraphs for multiple GPUs (http://munin-monitoring.org/wiki/MultigraphSampleOutput).
+
+=back
+
 =head1 AUTHOR
 
 Nuno Fachada
@@ -101,8 +119,8 @@ if [ "$1" = "config" ]; then
 			while [ $nGpusCounter -lt $nGpus ]
 			do
 				gpuName=`echo "$nGpusOutput" | sed -n $(( $nGpusCounter + 1 ))p | cut -d \( -f 1`
-				echo "temp${nGpusCounter}.warning 75"
-				echo "temp${nGpusCounter}.critical 95"
+				echo "temp${nGpusCounter}.warning ${warning:-75}"
+				echo "temp${nGpusCounter}.critical ${critical:-95}"
 				echo "temp${nGpusCounter}.info Temperature information for $gpuName"
 				: $(( nGpusCounter = $nGpusCounter + 1 ))
 			done