class Barnes::Instruments::GctoolsOobgc
Tracks out of band GCs that occurred since the last request.
Public Instance Methods
instrument!(state, counters, gauges)
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# File lib/barnes/instruments/gctools_oobgc.rb, line 32 def instrument!(state, counters, gauges) last = state[:oobgc] cur = state[:oobgc] = current counters.update \ :'OOBGC.count' => cur[:count] - last[:count], :'OOBGC.major_count' => cur[:major] - last[:major], :'OOBGC.minor_count' => cur[:minor] - last[:minor], :'OOBGC.sweep_count' => cur[:sweep] - last[:sweep] end
start!(state)
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# File lib/barnes/instruments/gctools_oobgc.rb, line 28 def start!(state) state[:oobgc] = current end
Private Instance Methods
current()
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# File lib/barnes/instruments/gctools_oobgc.rb, line 43 def current { :count => GC::OOB.stat(:count).to_i, :major => GC::OOB.stat(:major).to_i, :minor => GC::OOB.stat(:minor).to_i, :sweep => GC::OOB.stat(:sweep).to_i } end