Module: Collectd::ProcStats

Included in:
Plugin
Defined in:
lib/collectd/proc_stats.rb

Overview

Included by Interface

Instance Method Summary collapse

Instance Method Details

#process_status(field) ⇒ Object 



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# File 'lib/collectd/proc_stats.rb', line 5

def process_status(field)
  fields = {}
  begin
    IO.readlines("/proc/#{$$}/status").each { |line|
      line.strip!
      if line =~ /^(.+?):\s+(.+)$/
        fields[$1] = $2
      end
    }
  rescue Errno::ENOENT
    nil
  else
    fields[field]
  end
end

#with_full_proc_stats ⇒ Object 



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# File 'lib/collectd/proc_stats.rb', line 41

def with_full_proc_stats
  with_polled_memory
  with_polled_cpu
end

#with_polled_cpu ⇒ Object 



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# File 'lib/collectd/proc_stats.rb', line 32

def with_polled_cpu
  cpu('user').polled_counter do
    (Process::times.utime * 100).to_i
  end
  cpu('system').polled_counter do
    (Process::times.stime * 100).to_i
  end
end

#with_polled_memory ⇒ Object 



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# File 'lib/collectd/proc_stats.rb', line 21

def with_polled_memory
  memory('VmRSS').polled_gauge do
    (v = process_status('VmRSS')) ? v.to_i * 1024 : nil
  end
  memory('VmSize').polled_gauge do
    (v = process_status('VmSize')) ? v.to_i * 1024 : nil
  end

  self
end