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src/share/vm/gc/g1/g1ConcurrentMark.hpp
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@@ -32,10 +32,12 @@
class G1CollectedHeap;
class G1CMBitMap;
class G1CMTask;
class G1ConcurrentMark;
+class ConcurrentGCTimer;
+class G1OldTracer;
typedef GenericTaskQueue<oop, mtGC> G1CMTaskQueue;
typedef GenericTaskQueueSet<G1CMTaskQueue, mtGC> G1CMTaskQueueSet;
// Closure used by CM during concurrent reference discovery
// and reference processing (during remarking) to determine
@@ -350,21 +352,13 @@
// point when all the tasks complete their work. It is really used
// to determine the points between the end of concurrent marking and
// time of remark.
volatile bool _concurrent_marking_in_progress;
- // There would be a race between ConcurrentMarkThread and VMThread(ConcurrentMark::abort())
- // to call ConcurrentGCTimer::register_gc_concurrent_end().
- // And this variable is used to keep track of concurrent phase.
- volatile uint _concurrent_phase_status;
- // Concurrent phase is not yet started.
- static const uint ConcPhaseNotStarted = 0;
- // Concurrent phase is started.
- static const uint ConcPhaseStarted = 1;
- // Caller thread of ConcurrentGCTimer::register_gc_concurrent_end() is ending concurrent phase.
- // So other thread should wait until the status to be changed to ConcPhaseNotStarted.
- static const uint ConcPhaseStopping = 2;
+ ConcurrentGCTimer* _gc_timer_cm;
+
+ G1OldTracer* _gc_tracer_cm;
// All of these times are in ms
NumberSeq _init_times;
NumberSeq _remark_times;
NumberSeq _remark_mark_times;
@@ -528,14 +522,12 @@
}
void clear_concurrent_marking_in_progress() {
_concurrent_marking_in_progress = false;
}
- void register_concurrent_phase_start(const char* title);
- void register_concurrent_phase_end();
- // Ends both concurrent phase and timer.
- void register_concurrent_gc_end_and_stop_timer();
+ void concurrent_cycle_start();
+ void concurrent_cycle_end();
void update_accum_task_vtime(int i, double vtime) {
_accum_task_vtime[i] += vtime;
}
@@ -728,10 +720,13 @@
// Returns true if initialization was successfully completed.
bool completed_initialization() const {
return _completed_initialization;
}
+ ConcurrentGCTimer* gc_timer_cm() const { return _gc_timer_cm; }
+ G1OldTracer* gc_tracer_cm() const { return _gc_tracer_cm; }
+
protected:
// Clear all the per-task bitmaps and arrays used to store the
// counting data.
void clear_all_count_data();
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