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src/hotspot/share/gc/g1/g1CollectedHeap.cpp

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rev 59939 : [mq]: 8243974-investigate-millis-since-last-gc-move

*** 1478,1487 **** --- 1478,1489 ---- CollectedHeap(), _young_gen_sampling_thread(NULL), _workers(NULL), _card_table(NULL), _soft_ref_policy(), + _collection_pause_end(Ticks::now()), + _time_of_last_gc_ns(os::javaTimeNanos()), _old_set("Old Region Set", new OldRegionSetChecker()), _archive_set("Archive Region Set", new ArchiveRegionSetChecker()), _humongous_set("Humongous Region Set", new HumongousRegionSetChecker()), _bot(NULL), _listener(),
*** 2429,2439 **** } jlong G1CollectedHeap::millis_since_last_gc() { // See the notes in GenCollectedHeap::millis_since_last_gc() // for more information about the implementation. ! jlong ret_val = (os::javaTimeNanos() - _policy->time_of_last_gc()) / NANOSECS_PER_MILLISEC; if (ret_val < 0) { NOT_PRODUCT(log_warning(gc)("time warp: " JLONG_FORMAT, ret_val);) return 0; } --- 2431,2441 ---- } jlong G1CollectedHeap::millis_since_last_gc() { // See the notes in GenCollectedHeap::millis_since_last_gc() // for more information about the implementation. ! jlong ret_val = (os::javaTimeNanos() - _time_of_last_gc_ns) / NANOSECS_PER_MILLISEC; if (ret_val < 0) { NOT_PRODUCT(log_warning(gc)("time warp: " JLONG_FORMAT, ret_val);) return 0; }
*** 2724,2733 **** --- 2726,2737 ---- // policy with the new heap occupancy Universe::update_heap_info_at_gc(); // Print NUMA statistics. _numa->print_statistics(); + + _collection_pause_end = Ticks::now(); } void G1CollectedHeap::verify_numa_regions(const char* desc) { LogTarget(Trace, gc, heap, verify) lt;
*** 3118,3127 **** --- 3122,3133 ---- expand_heap_after_young_collection(); double sample_end_time_sec = os::elapsedTime(); double pause_time_ms = (sample_end_time_sec - sample_start_time_sec) * MILLIUNITS; policy()->record_collection_pause_end(pause_time_ms); + + _time_of_last_gc_ns = os::javaTimeNanos(); } verify_after_young_collection(verify_type); gc_epilogue(false);
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