JDK14/Java14源码在线阅读

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_JFR_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLECHECKPOINT_HPP
#define SHARE_JFR_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLECHECKPOINT_HPP

#include "memory/allocation.hpp"
#include "jfr/utilities/jfrTypes.hpp"

class EdgeStore;
class InstanceKlass;
class JavaThread;
class JfrCheckpointWriter;
class JfrStackTrace;
class JfrStackTraceRepository;
class Klass;
class ObjectSample;
class ObjectSampleMarker;
class ObjectSampler;
class Thread;

class ObjectSampleCheckpoint : AllStatic {
  friend class EventEmitter;
  friend class PathToGcRootsOperation;
  friend class StackTraceBlobInstaller;
 private:
  static void add_to_leakp_set(const InstanceKlass* ik, traceid method_id);
  static int save_mark_words(const ObjectSampler* sampler, ObjectSampleMarker& marker, bool emit_all);
  static void write_stacktrace(const JfrStackTrace* trace, JfrCheckpointWriter& writer);
  static void write(const ObjectSampler* sampler, EdgeStore* edge_store, bool emit_all, Thread* thread);
 public:
  static void on_klass_unload(const Klass* k);
  static void on_type_set(JfrCheckpointWriter& writer);

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