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src/hotspot/share/gc/shenandoah/shenandoahUtils.cpp

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 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "precompiled.hpp"
 26 
 27 #include "jfr/jfrEvents.hpp"
 28 #include "gc/shared/gcCause.hpp"
 29 #include "gc/shared/gcTrace.hpp"
 30 #include "gc/shared/gcWhen.hpp"
 31 #include "gc/shared/referenceProcessorStats.hpp"
 32 #include "gc/shenandoah/heuristics/shenandoahHeuristics.hpp"
 33 #include "gc/shenandoah/shenandoahCollectorPolicy.hpp"

 34 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
 35 #include "gc/shenandoah/shenandoahReferenceProcessor.hpp"
 36 #include "gc/shenandoah/shenandoahUtils.hpp"
 37 #include "utilities/debug.hpp"
 38 
 39 ShenandoahPhaseTimings::Phase ShenandoahTimingsTracker::_current_phase = ShenandoahPhaseTimings::_invalid_phase;
 40 
 41 ShenandoahGCSession::ShenandoahGCSession(GCCause::Cause cause) :
 42   _heap(ShenandoahHeap::heap()),

 43   _timer(_heap->gc_timer()),
 44   _tracer(_heap->tracer()) {
 45   assert(!ShenandoahGCPhase::is_current_phase_valid(), "No current GC phase");
 46 
 47   _heap->set_gc_cause(cause);

 48   _timer->register_gc_start();
 49   _tracer->report_gc_start(cause, _timer->gc_start());
 50   _heap->trace_heap_before_gc(_tracer);
 51 
 52   _heap->shenandoah_policy()->record_cycle_start();
 53   _heap->heuristics()->record_cycle_start();
 54   _trace_cycle.initialize(_heap->cycle_memory_manager(), cause,
 55           /* allMemoryPoolsAffected */    true,
 56           /* recordGCBeginTime = */       true,
 57           /* recordPreGCUsage = */        true,
 58           /* recordPeakUsage = */         true,
 59           /* recordPostGCUsage = */       true,
 60           /* recordAccumulatedGCTime = */ true,
 61           /* recordGCEndTime = */         true,
 62           /* countCollection = */         true
 63   );
 64 }
 65 

 66 ShenandoahGCSession::~ShenandoahGCSession() {
 67   _heap->heuristics()->record_cycle_end();
 68   _timer->register_gc_end();
 69   _heap->trace_heap_after_gc(_tracer);
 70   _tracer->report_gc_reference_stats(_heap->ref_processor()->reference_process_stats());
 71   _tracer->report_gc_end(_timer->gc_end(), _timer->time_partitions());
 72   assert(!ShenandoahGCPhase::is_current_phase_valid(), "No current GC phase");
 73   _heap->set_gc_cause(GCCause::_no_gc);
 74 }
 75 
 76 ShenandoahGCPauseMark::ShenandoahGCPauseMark(uint gc_id, SvcGCMarker::reason_type type) :
 77   _heap(ShenandoahHeap::heap()), _gc_id_mark(gc_id), _svc_gc_mark(type), _is_gc_active_mark() {
 78   _trace_pause.initialize(_heap->stw_memory_manager(), _heap->gc_cause(),
 79           /* allMemoryPoolsAffected */    true,
 80           /* recordGCBeginTime = */       true,
 81           /* recordPreGCUsage = */        false,
 82           /* recordPeakUsage = */         false,
 83           /* recordPostGCUsage = */       false,
 84           /* recordAccumulatedGCTime = */ true,
 85           /* recordGCEndTime = */         true,
 86           /* countCollection = */         true
 87   );
 88 }
 89 
 90 ShenandoahPausePhase::ShenandoahPausePhase(const char* title, ShenandoahPhaseTimings::Phase phase, bool log_heap_usage) :

 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "precompiled.hpp"
 26 
 27 #include "jfr/jfrEvents.hpp"
 28 #include "gc/shared/gcCause.hpp"
 29 #include "gc/shared/gcTrace.hpp"
 30 #include "gc/shared/gcWhen.hpp"
 31 #include "gc/shared/referenceProcessorStats.hpp"
 32 #include "gc/shenandoah/heuristics/shenandoahHeuristics.hpp"
 33 #include "gc/shenandoah/shenandoahCollectorPolicy.hpp"
 34 #include "gc/shenandoah/shenandoahGeneration.hpp"
 35 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
 36 #include "gc/shenandoah/shenandoahReferenceProcessor.hpp"
 37 #include "gc/shenandoah/shenandoahUtils.hpp"
 38 #include "utilities/debug.hpp"
 39 
 40 ShenandoahPhaseTimings::Phase ShenandoahTimingsTracker::_current_phase = ShenandoahPhaseTimings::_invalid_phase;
 41 
 42 ShenandoahGCSession::ShenandoahGCSession(GCCause::Cause cause, ShenandoahGeneration* generation) :
 43   _heap(ShenandoahHeap::heap()),
 44   _generation(generation),
 45   _timer(_heap->gc_timer()),
 46   _tracer(_heap->tracer()) {
 47   assert(!ShenandoahGCPhase::is_current_phase_valid(), "No current GC phase");
 48 
 49   _heap->set_gc_cause(cause);
 50   _heap->set_gc_generation(generation);
 51   _timer->register_gc_start();
 52   _tracer->report_gc_start(cause, _timer->gc_start());
 53   _heap->trace_heap_before_gc(_tracer);
 54 
 55   _heap->shenandoah_policy()->record_cycle_start();
 56   generation->heuristics()->record_cycle_start();
 57   _trace_cycle.initialize(_heap->cycle_memory_manager(), cause,
 58           /* allMemoryPoolsAffected */    true,
 59           /* recordGCBeginTime = */       true,
 60           /* recordPreGCUsage = */        true,
 61           /* recordPeakUsage = */         true,
 62           /* recordPostGCUsage = */       true,
 63           /* recordAccumulatedGCTime = */ true,
 64           /* recordGCEndTime = */         true,
 65           /* countCollection = */         true
 66   );
 67 }
 68 
 69 
 70 ShenandoahGCSession::~ShenandoahGCSession() {
 71   _generation->heuristics()->record_cycle_end();
 72   _timer->register_gc_end();
 73   _heap->trace_heap_after_gc(_tracer);
 74   _tracer->report_gc_reference_stats(_generation->ref_processor()->reference_process_stats());
 75   _tracer->report_gc_end(_timer->gc_end(), _timer->time_partitions());
 76   assert(!ShenandoahGCPhase::is_current_phase_valid(), "No current GC phase");
 77   _heap->set_gc_cause(GCCause::_no_gc);
 78 }
 79 
 80 ShenandoahGCPauseMark::ShenandoahGCPauseMark(uint gc_id, SvcGCMarker::reason_type type) :
 81   _heap(ShenandoahHeap::heap()), _gc_id_mark(gc_id), _svc_gc_mark(type), _is_gc_active_mark() {
 82   _trace_pause.initialize(_heap->stw_memory_manager(), _heap->gc_cause(),
 83           /* allMemoryPoolsAffected */    true,
 84           /* recordGCBeginTime = */       true,
 85           /* recordPreGCUsage = */        false,
 86           /* recordPeakUsage = */         false,
 87           /* recordPostGCUsage = */       false,
 88           /* recordAccumulatedGCTime = */ true,
 89           /* recordGCEndTime = */         true,
 90           /* countCollection = */         true
 91   );
 92 }
 93 
 94 ShenandoahPausePhase::ShenandoahPausePhase(const char* title, ShenandoahPhaseTimings::Phase phase, bool log_heap_usage) :
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