Class: HeapPeriscopeAgent::Reporter

Inherits:
Object
  • Object
show all
Defined in:
lib/heap_periscope_agent/reporter.rb

Class Method Summary collapse

Class Method Details

.report_once! ⇒ Object 



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# File 'lib/heap_periscope_agent/reporter.rb', line 65

def self.report_once!
  @config = HeapPeriscopeAgent.configuration
  @socket = UDPSocket.new
  send_snapshot_report
  @socket.close
end

.start ⇒ Object 



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# File 'lib/heap_periscope_agent/reporter.rb', line 10

def self.start
  @config = HeapPeriscopeAgent.configuration
  @running = Concurrent::AtomicBoolean.new(false)

  return if @running.true?
  @running.make_true

  log("Reporter starting with interval: #{@config.interval}s.")

  # Enable the standard GC Profiler
  GC::Profiler.enable
  # Store the initial total time to calculate deltas later
  @last_gc_total_time = GC::Profiler.total_time

  @thread = Thread.new do
    @socket = UDPSocket.new
    last_snapshot_time = Time.now

    while @running.true?
      # Periodically send a full snapshot
      if Time.now - last_snapshot_time >= @config.interval
        send_snapshot_report
        last_snapshot_time = Time.now
      end

      # Check for new GC activity since the last check
      send_gc_profiler_report

      sleep(1) # Main loop delay
    end

    log("Reporter loop finished.")
    GC::Profiler.disable # Clean up the profiler
    @socket.close
  end

  @thread.report_on_exception = true
  log("Reporter thread initiated.")
end

.stop ⇒ Object 



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# File 'lib/heap_periscope_agent/reporter.rb', line 50

def self.stop
  return unless @running&.true?

  log("Stopping reporter...")
  @running.make_false
  if @thread&.join(5)
    log("Reporter thread stopped gracefully.")
  else
    log("Reporter thread did not stop in time, killing.", level: :warn)
    @thread&.kill
  end
  @thread = nil
  log("Reporter stop process complete.")
end