Class: Metrix::ProcessMetric

Inherits:
Base
  • Object
show all
Defined in:
lib/metrix/process_metric.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#attributes

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

ignore, #ignore_metric?, ignore_metrics, inherited, #initialize, known_metrics, #metrics, prefix, #prefix, set_known_metrics, set_prefix, subclasses, #tagged_metrics

Constructor Details

This class inherits a constructor from Metrix::Base

Instance Attribute Details

#time ⇒ Object (readonly)

Returns the value of attribute time.



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# File 'lib/metrix/process_metric.rb', line 5

def time
  @time
end

Class Method Details

.all ⇒ Object 



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# File 'lib/metrix/process_metric.rb', line 12

def all
  IO.popen("find /proc -maxdepth 2 -mindepth 2 -name stat") do |io|
    io.map do |path|
      Metrix::ProcessMetric.new(File.read(path.strip))
    end
  end
end

Instance Method Details

#cast_int(str) ⇒ Object 



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# File 'lib/metrix/process_metric.rb', line 57

def cast_int(str)
  Integer(str) rescue str
end

#chunks ⇒ Object 



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# File 'lib/metrix/process_metric.rb', line 29

def chunks
  @chunks ||= @raw.split(" ").map { |c| cast_int(c) }
end

#name ⇒ Object 



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# File 'lib/metrix/process_metric.rb', line 21

def name
  normalize_name(comm)
end

#normalize_name(the_name) ⇒ Object 



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# File 'lib/metrix/process_metric.rb', line 25

def normalize_name(the_name)
  the_name.gsub(/^\(/, "").gsub(/\)$/, "").gsub(/[^\w]+/i, "_")
end

#tags ⇒ Object 



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# File 'lib/metrix/process_metric.rb', line 33

def tags
  {
    name:   name,
    pid:    pid,
    ppid:   ppid,
  }
end

#unfiltered_metrics ⇒ Object 



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# File 'lib/metrix/process_metric.rb', line 41

def unfiltered_metrics
  {
    minflt: minflt,
    cminflt: cminflt,
    majflt: majflt,
    cmajflt: cmajflt,
    utime: utime,
    stime: stime,
    cutime: cutime,
    sctime: sctime,
    num_threads: num_threads,
    vsize: vsize,
    rss: rss,
  }
end