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src/share/vm/gc/g1/g1GCPhaseTimes.hpp

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  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 #ifndef SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  26 #define SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 
  30 class LineBuffer;
  31 
  32 template <class T> class WorkerDataArray;
  33 
  34 class G1GCPhaseTimes : public CHeapObj<mtGC> {
  35   uint _active_gc_threads;
  36   uint _max_gc_threads;
  37   jlong _gc_start_counter;
  38   double _gc_pause_time_ms;
  39 
  40  public:
  41   enum GCParPhases {
  42     GCWorkerStart,
  43     ExtRootScan,
  44     ThreadRoots,
  45     StringTableRoots,
  46     UniverseRoots,
  47     JNIRoots,
  48     ObjectSynchronizerRoots,
  49     FlatProfilerRoots,
  50     ManagementRoots,
  51     SystemDictionaryRoots,
  52     CLDGRoots,
  53     JVMTIRoots,
  54     CMRefRoots,
  55     WaitForStrongCLD,


 106   double _recorded_non_young_cset_choice_time_ms;
 107 
 108   double _recorded_redirty_logged_cards_time_ms;
 109 
 110   double _recorded_preserve_cm_referents_time_ms;
 111 
 112   double _recorded_merge_pss_time_ms;
 113 
 114   double _recorded_young_free_cset_time_ms;
 115   double _recorded_non_young_free_cset_time_ms;
 116 
 117   double _cur_fast_reclaim_humongous_time_ms;
 118   double _cur_fast_reclaim_humongous_register_time_ms;
 119   size_t _cur_fast_reclaim_humongous_total;
 120   size_t _cur_fast_reclaim_humongous_candidates;
 121   size_t _cur_fast_reclaim_humongous_reclaimed;
 122 
 123   double _cur_verify_before_time_ms;
 124   double _cur_verify_after_time_ms;
 125 

 126   void note_gc_end();
 127 
 128   template <class T>
 129   void details(T* phase, const char* indent);
 130   void log_phase(WorkerDataArray<double>* phase, uint indent, outputStream* out, bool print_sum);
 131   void debug_phase(WorkerDataArray<double>* phase);
 132   void trace_phase(WorkerDataArray<double>* phase, bool print_sum = true);
 133 
 134  public:
 135   G1GCPhaseTimes(uint max_gc_threads);
 136   void note_gc_start(uint active_gc_threads);
 137   void print();
 138 
 139   // record the time a phase took in seconds
 140   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
 141 
 142   // add a number of seconds to a phase
 143   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
 144 
 145   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count);
 146 
 147   // return the average time for a phase in milliseconds
 148   double average_time_ms(GCParPhases phase);
 149 
 150   size_t sum_thread_work_items(GCParPhases phase);
 151 
 152  public:
 153 
 154   void record_clear_ct_time(double ms) {
 155     _cur_clear_ct_time_ms = ms;
 156   }




  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 #ifndef SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  26 #define SHARE_VM_GC_G1_G1GCPHASETIMES_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 
  30 class LineBuffer;
  31 
  32 template <class T> class WorkerDataArray;
  33 
  34 class G1GCPhaseTimes : public CHeapObj<mtGC> {

  35   uint _max_gc_threads;
  36   jlong _gc_start_counter;
  37   double _gc_pause_time_ms;
  38 
  39  public:
  40   enum GCParPhases {
  41     GCWorkerStart,
  42     ExtRootScan,
  43     ThreadRoots,
  44     StringTableRoots,
  45     UniverseRoots,
  46     JNIRoots,
  47     ObjectSynchronizerRoots,
  48     FlatProfilerRoots,
  49     ManagementRoots,
  50     SystemDictionaryRoots,
  51     CLDGRoots,
  52     JVMTIRoots,
  53     CMRefRoots,
  54     WaitForStrongCLD,


 105   double _recorded_non_young_cset_choice_time_ms;
 106 
 107   double _recorded_redirty_logged_cards_time_ms;
 108 
 109   double _recorded_preserve_cm_referents_time_ms;
 110 
 111   double _recorded_merge_pss_time_ms;
 112 
 113   double _recorded_young_free_cset_time_ms;
 114   double _recorded_non_young_free_cset_time_ms;
 115 
 116   double _cur_fast_reclaim_humongous_time_ms;
 117   double _cur_fast_reclaim_humongous_register_time_ms;
 118   size_t _cur_fast_reclaim_humongous_total;
 119   size_t _cur_fast_reclaim_humongous_candidates;
 120   size_t _cur_fast_reclaim_humongous_reclaimed;
 121 
 122   double _cur_verify_before_time_ms;
 123   double _cur_verify_after_time_ms;
 124 
 125   double worker_time(GCParPhases phase, uint worker);
 126   void note_gc_end();
 127 
 128   template <class T>
 129   void details(T* phase, const char* indent);
 130   void log_phase(WorkerDataArray<double>* phase, uint indent, outputStream* out, bool print_sum);
 131   void debug_phase(WorkerDataArray<double>* phase);
 132   void trace_phase(WorkerDataArray<double>* phase, bool print_sum = true);
 133 
 134  public:
 135   G1GCPhaseTimes(uint max_gc_threads);
 136   void note_gc_start();
 137   void print();
 138 
 139   // record the time a phase took in seconds
 140   void record_time_secs(GCParPhases phase, uint worker_i, double secs);
 141 
 142   // add a number of seconds to a phase
 143   void add_time_secs(GCParPhases phase, uint worker_i, double secs);
 144 
 145   void record_thread_work_item(GCParPhases phase, uint worker_i, size_t count);
 146 
 147   // return the average time for a phase in milliseconds
 148   double average_time_ms(GCParPhases phase);
 149 
 150   size_t sum_thread_work_items(GCParPhases phase);
 151 
 152  public:
 153 
 154   void record_clear_ct_time(double ms) {
 155     _cur_clear_ct_time_ms = ms;
 156   }


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