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

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rev 8910 : full patch for jfr
   1 /*
   2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   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 
  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
   1 /*
   2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   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 
  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 bool ObjectCountEventSender::should_send_event() {

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



  71 
  72   send_event_if_enabled<EventObjectCount>(klass, count, total_size, gc_id, timestamp);
  73   send_event_if_enabled<EventObjectCountAfterGC>(klass, count, total_size, gc_id, timestamp);
  74 }
  75 #endif // INCLUDE_SERVICES
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