Contents

# encoding: utf-8

require 'thread'
require 'one_apm/support/vm/snapshot'

module OneApm
  module Support
    module VM
      class JRubyVM
        def snapshot
          snap = Snapshot.new
          gather_stats(snap)
          snap
        end

        def gather_stats(snap)
          if supports?(:gc_runs)
            gc_stats = GC.stat
            snap.gc_runs = gc_stats[:count]
          end

          snap.thread_count = Thread.list.size
        end

        def supports?(key)
          case key
          when :gc_runs
            RUBY_VERSION >= "1.9.2"
          when :thread_count
            true
          else
            false
          end
        end
      end
    end
  end
end

Version data entries

42 entries across 42 versions & 1 rubygems

Version	Path
oneapm_rpm-1.4.2	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.4.1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.4.0	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.7	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.7.rc1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.6	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.6.rc1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.5	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.5.rc1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.4	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.4.rc1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.3	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.3.rc1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.2	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.2.rc1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.1.rc1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.0	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.3.0.rc1	lib/one_apm/support/vm/jruby_vm.rb
oneapm_rpm-1.2.9	lib/one_apm/support/vm/jruby_vm.rb