class AppDynamics::BackgroundMetrics::Memory
Public Class Methods
available?()
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# File lib/app_dynamics/background_metrics.rb, line 62 def self.available? File.exists?(status_file) end
status_file()
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# File lib/app_dynamics/background_metrics.rb, line 58 def self.status_file @status_file ||= "/proc/#{Process.pid}/status" end
Public Instance Methods
instrument!(state, counters, gauges)
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# File lib/app_dynamics/background_metrics.rb, line 66 def instrument!(state, counters, gauges) gauges[:'Proc.RSS'] = File.open(self.class.status_file, "r") do |file| if file.read_nonblock(4096) =~ /RSS:\s*(\d+) kB/i $1.to_f / 1024 end end end