lib/ganymed/collector/uptime.rb in ganymed-0.1.0 vs lib/ganymed/collector/uptime.rb in ganymed-0.1.1

@@ -2,12 +2,13 @@
 
 module Ganymed
   class Collector
     class Uptime < Base
       def collect!
-        File.open('/proc/uptime') do |f|
-          uptime = f.read.chomp.split.first.to_f
-          boottime = Time.now - uptime
+        return if not File.readable?('/proc/stat')
+        File.open('/proc/stat').each do |line|
+          next if not line =~ /^btime /
+          boottime = Time.at(line.chomp.split[1].to_i)
           @processor.event("os.reboot", 1, :now => boottime)
         end
       end
     end
   end