Initial version

plugins/other/passenger_memory

@@ -0,0 +1,32 @@
+#!/usr/bin/env ruby
+#
+# Be sure to configure this node in the plugin configuration
+# Memory stats must be run by root
+# Ex:
+# [passenger_memory]
+# user root
+# env.memory_stats_command path_to_passenger-memory-stats
+#
+
+memory_stats_command = ENV['memory_stats_command'] || '/opt/ruby-enterprise-1.8.6-20080810/bin/passenger-memory-stats'
+
+if ARGV.length > 0 && ARGV[0] == 'config'
+  puts "graph_title Passenger Memory Usage"
+  puts "graph_vlabel MB"
+  puts "apache_rss.label Apache Dirty RSS"
+  puts "passenger_rss.label Passenger Dirty RSS"
+  exit(0)
+end
+
+apache_rss = nil
+passenger_rss = nil
+
+`#{memory_stats_command}`.each_line do |line|
+  next unless /### Total private dirty RSS: (\d+\.\d+) MB/.match(line)
+  passenger_rss = $~[1] unless apache_rss.nil?
+  apache_rss ||= $~[1]
+end
+
+puts "apache_rss.value #{apache_rss}"
+puts "passenger_rss.value #{passenger_rss}"
+