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src/share/vm/gc_implementation/shared/objectCountEventSender.cpp

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   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 
  26 #include "precompiled.hpp"
  27 #include "gc_implementation/shared/gcId.hpp"
  28 #include "gc_implementation/shared/objectCountEventSender.hpp"

  29 #include "memory/heapInspection.hpp"
  30 #include "trace/tracing.hpp"
  31 #include "utilities/globalDefinitions.hpp"
  32 #include "utilities/macros.hpp"
  33 #include "utilities/ticks.hpp"
  34 #if INCLUDE_SERVICES
  35 
  36 void ObjectCountEventSender::send(const KlassInfoEntry* entry, GCId gc_id, const Ticks& timestamp) {
  37 #if INCLUDE_TRACE
  38   assert(Tracing::is_event_enabled(EventObjectCountAfterGC::eventId),
  39          "Only call this method if the event is enabled");
  40 
  41   EventObjectCountAfterGC event(UNTIMED);
  42   event.set_gcId(gc_id.id());
  43   event.set_class(entry->klass());
  44   event.set_count(entry->count());
  45   event.set_totalSize(entry->words() * BytesPerWord);
  46   event.set_endtime(timestamp);
  47   event.commit();
  48 #endif // INCLUDE_TRACE
  49 }
  50 
  51 bool ObjectCountEventSender::should_send_event() {
  52 #if INCLUDE_TRACE
  53   return Tracing::is_event_enabled(EventObjectCountAfterGC::eventId);
  54 #else
  55   return false;
  56 #endif // INCLUDE_TRACE
































  57 }
  58 
  59 #endif // INCLUDE_SERVICES


   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 
  26 #include "precompiled.hpp"
  27 #include "gc_implementation/shared/gcId.hpp"
  28 #include "gc_implementation/shared/objectCountEventSender.hpp"
  29 #include "jfr/jfrEvents.hpp"
  30 #include "memory/heapInspection.hpp"

  31 #include "utilities/globalDefinitions.hpp"
  32 #include "utilities/macros.hpp"
  33 #include "utilities/ticks.hpp"

  34 
  35 
  36 #if INCLUDE_SERVICES












  37 
  38 bool ObjectCountEventSender::should_send_event() {
  39 #if INCLUDE_JFR
  40   return _should_send_requestable_event || EventObjectCountAfterGC::is_enabled();
  41 #else
  42   return false;
  43 #endif // INCLUDE_JFR
  44 }
  45 
  46 bool ObjectCountEventSender::_should_send_requestable_event = false;
  47 
  48 void ObjectCountEventSender::enable_requestable_event() {
  49   _should_send_requestable_event = true;
  50 }
  51 
  52 void ObjectCountEventSender::disable_requestable_event() {
  53   _should_send_requestable_event = false;
  54 }
  55 
  56 template <typename T>
  57 void ObjectCountEventSender::send_event_if_enabled(Klass* klass, GCId gc_id, jlong count, julong size, const Ticks& timestamp) {
  58   T event(UNTIMED);
  59   if (event.should_commit()) {
  60     event.set_gcId(gc_id.id());
  61     event.set_objectClass(klass);
  62     event.set_count(count);
  63     event.set_totalSize(size);
  64     event.set_endtime(timestamp);
  65     event.commit();
  66   }
  67 }
  68 
  69 void ObjectCountEventSender::send(const KlassInfoEntry* entry, GCId gc_id, const Ticks& timestamp) {
  70   Klass* klass = entry->klass();
  71   jlong count = entry->count();
  72   julong total_size = entry->words() * BytesPerWord;
  73 
  74   send_event_if_enabled<EventObjectCount>(klass, gc_id, count, total_size, timestamp);
  75   send_event_if_enabled<EventObjectCountAfterGC>(klass, gc_id, count, total_size, timestamp);
  76 }
  77 
  78 #endif // INCLUDE_SERVICES
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