Class: ElasticAPM::Metrics::VMSet Private

Inherits:
Set
  • Object
show all
Includes:
Logging
Defined in:
lib/elastic_apm/metrics/vm_set.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Constant Summary

Constants included from Logging

Logging::LEVELS, Logging::PREFIX

Constants inherited from Set

Set::DISTINCT_LABEL_LIMIT

Instance Attribute Summary

Attributes inherited from Set

#metrics

Instance Method Summary collapse

Methods included from Logging

#debug, #error, #fatal, #info, #warn

Methods inherited from Set

#counter, #disable!, #disabled?, #gauge, #initialize, #metric, #timer

Constructor Details

This class inherits a constructor from ElasticAPM::Metrics::Set

Instance Method Details

#collect ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metrics/vm_set.rb', line 26

def collect
  read!
  super
end

#read! ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/elastic_apm/metrics/vm_set.rb', line 31

def read!
  return if disabled?

  stat = GC.stat

  gauge(:'ruby.gc.count').value = stat[:count]
  gauge(:'ruby.threads').value = Thread.list.count
  gauge(:'ruby.heap.slots.live').value = stat[:heap_live_slots]

  gauge(:'ruby.heap.slots.free').value = stat[:heap_free_slots]
  gauge(:'ruby.heap.allocations.total').value =
    stat[:total_allocated_objects]

  return unless GC::Profiler.enabled?

  @total_time ||= 0
  @total_time += GC::Profiler.total_time
  GC::Profiler.clear
  gauge(:'ruby.gc.time').value = @total_time
rescue TypeError => e
  error 'VM metrics encountered error: %s', e
  debug('Backtrace:') { e.backtrace.join("\n") }

  disable!
end