8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
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 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHMONITORINGSUPPORT_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHMONITORINGSUPPORT_HPP
27 

28 #include "memory/allocation.hpp"

29 
30 class GenerationCounters;
31 class HSpaceCounters;
32 class ShenandoahHeap;
33 class CollectorCounters;
34 class ShenandoahHeapRegionCounters;




















35 
36 class ShenandoahMonitoringSupport : public CHeapObj<mtGC> {
37 private:
38   CollectorCounters*   _partial_counters;
39   CollectorCounters*   _full_counters;
40 
41   GenerationCounters* _young_counters;
42   GenerationCounters* _heap_counters;
43 
44   HSpaceCounters* _space_counters;
45 
46   ShenandoahHeapRegionCounters* _heap_region_counters;

47 
48 public:
49  ShenandoahMonitoringSupport(ShenandoahHeap* heap);
50  CollectorCounters* stw_collection_counters();
51  CollectorCounters* full_stw_collection_counters();
52  CollectorCounters* concurrent_collection_counters();
53  CollectorCounters* partial_collection_counters();
54  void update_counters();





55 };
56 
57 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHMONITORINGSUPPORT_HPP

 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
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 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHMONITORINGSUPPORT_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHMONITORINGSUPPORT_HPP
27 
28 #include "gc/shenandoah/shenandoahSharedVariables.hpp"
29 #include "memory/allocation.hpp"
30 #include "runtime/task.hpp"
31 
32 class GenerationCounters;
33 class HSpaceCounters;
34 class ShenandoahHeap;
35 class CollectorCounters;
36 class ShenandoahHeapRegionCounters;
37 class ShenandoahMonitoringSupport;
38 
39 class ShenandoahPeriodicCountersUpdateTask : public PeriodicTask {
40 private:
41   ShenandoahSharedFlag _do_counters_update;
42   ShenandoahSharedFlag _force_counters_update;
43   ShenandoahMonitoringSupport* const _monitoring_support;
44 
45 public:
46   explicit ShenandoahPeriodicCountersUpdateTask(ShenandoahMonitoringSupport* monitoring_support) :
47     PeriodicTask(100),
48     _monitoring_support(monitoring_support) { }
49 
50   void task() override;
51 
52   void handle_counters_update();
53   void handle_force_counters_update();
54   void set_forced_counters_update(bool value);
55   void notify_heap_changed();
56 };
57 
58 class ShenandoahMonitoringSupport : public CHeapObj<mtGC> {
59 private:
60   CollectorCounters*   _partial_counters;
61   CollectorCounters*   _full_counters;
62 
63   GenerationCounters* _young_counters;
64   GenerationCounters* _heap_counters;
65 
66   HSpaceCounters* _space_counters;
67 
68   ShenandoahHeapRegionCounters* _heap_region_counters;
69   ShenandoahPeriodicCountersUpdateTask _counters_update_task;
70 
71 public:
72   explicit ShenandoahMonitoringSupport(ShenandoahHeap* heap);
73   CollectorCounters* stw_collection_counters();
74   CollectorCounters* full_stw_collection_counters();
75   CollectorCounters* concurrent_collection_counters();
76   CollectorCounters* partial_collection_counters();
77 
78   void notify_heap_changed();
79   void set_forced_counters_update(bool value);
80   void handle_force_counters_update();
81 
82   void update_counters();
83 };
84 
85 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHMONITORINGSUPPORT_HPP