Class: God::System::Process

Inherits:
Object
  • Object
show all
Defined in:
lib/god/system/process.rb

Instance Method Summary collapse

Constructor Details

#initialize(pid) ⇒ Process

Returns a new instance of Process.



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# File 'lib/god/system/process.rb', line 5

def initialize(pid)
  @pid = pid.to_i
end

Instance Method Details

#cpu_time ⇒ Object

Seconds of CPU time (accumulated cpu time, user + system)



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# File 'lib/god/system/process.rb', line 30

def cpu_time
  time_string_to_seconds(ps_string('time'))
end

#exists? ⇒ Boolean

Return true if this process is running, false otherwise

Returns:

  • (Boolean) 


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# File 'lib/god/system/process.rb', line 10

def exists?
  system("kill -0 #{@pid} &> /dev/null")
end

#memory ⇒ Object

Memory usage in kilobytes (resident set size)



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# File 'lib/god/system/process.rb', line 15

def memory
  ps_int('rss')
end

#percent_cpu ⇒ Object

Percentage CPU usage



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# File 'lib/god/system/process.rb', line 25

def percent_cpu
  ps_float('%cpu')
end

#percent_memory ⇒ Object

Percentage memory usage



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# File 'lib/god/system/process.rb', line 20

def percent_memory
  ps_float('%mem')
end