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8136679: JFR event for adaptive IHOP

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Reviewed-by: tbenson, mgerdin, sangheki, ehelin
This commit is contained in:
Thomas Schatzl 2015-11-25 14:43:29 +01:00
parent 48264e4686
commit 352c2060f2
7 changed files with 158 additions and 18 deletions
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45
hotspot/src/share/vm/gc/shared/gcTraceSend.cpp
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@ -35,6 +35,7 @@
#if INCLUDE_ALL_GCS
#include "gc/g1/evacuationInfo.hpp"
#include "gc/g1/g1YCTypes.hpp"
#include "tracefiles/traceEventClasses.hpp"
#endif
// All GC dependencies against the trace framework is contained within this file.
@ -265,6 +266,50 @@ void G1NewTracer::send_old_evacuation_statistics(const G1EvacSummary& summary) c
old_evt.commit();
}
}
void G1NewTracer::send_basic_ihop_statistics(size_t threshold,
size_t target_occupancy,
size_t current_occupancy,
size_t last_allocation_size,
double last_allocation_duration,
double last_marking_length) {
EventGCG1BasicIHOP evt;
if (evt.should_commit()) {
evt.set_gcId(GCId::current());
evt.set_threshold(threshold);
evt.set_targetOccupancy(target_occupancy);
evt.set_thresholdPercentage(target_occupancy > 0 ? threshold * 100.0 / target_occupancy : 0.0);
evt.set_currentOccupancy(current_occupancy);
evt.set_lastAllocationSize(last_allocation_size);
evt.set_lastAllocationDuration(last_allocation_duration);
evt.set_lastAllocationRate(last_allocation_duration != 0.0 ? last_allocation_size / last_allocation_duration : 0.0);
evt.set_lastMarkingLength(last_marking_length);
evt.commit();
}
}
void G1NewTracer::send_adaptive_ihop_statistics(size_t threshold,
size_t internal_target_occupancy,
size_t current_occupancy,
size_t additional_buffer_size,
double predicted_allocation_rate,
double predicted_marking_length,
bool prediction_active) {
EventGCG1AdaptiveIHOP evt;
if (evt.should_commit()) {
evt.set_gcId(GCId::current());
evt.set_threshold(threshold);
evt.set_thresholdPercentage(internal_target_occupancy > 0 ? threshold * 100.0 / internal_target_occupancy : 0.0);
evt.set_internalTargetOccupancy(internal_target_occupancy);
evt.set_currentOccupancy(current_occupancy);
evt.set_additionalBufferSize(additional_buffer_size);
evt.set_predictedAllocationRate(predicted_allocation_rate);
evt.set_predictedMarkingLength(predicted_marking_length);
evt.set_predictionActive(prediction_active);
evt.commit();
}
}
#endif
static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {