src/hotspot/share/jfr/leakprofiler/leakProfiler.hpp
author mgronlun
Sat, 24 Aug 2019 14:30:27 +0200
branchJEP-349-branch
changeset 57870 00860d9caf4d
parent 53244 9807daeb47c4
permissions -rw-r--r--
New metadata system for oldobjects built on top of simplified tagging model. Caching and serialization improvements. Flushpoint checkpoint with chunkheader contents.

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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#ifndef SHARE_JFR_LEAKPROFILER_LEAKPROFILER_HPP
#define SHARE_JFR_LEAKPROFILER_LEAKPROFILER_HPP

#include "memory/allocation.hpp"

class BoolObjectClosure;
class OopClosure;
class JavaThread;

class LeakProfiler : public AllStatic {
 public:
  static bool start(int sample_count);
  static bool stop();
  static bool is_running();

  static void emit_events(int64_t cutoff_ticks, bool emit_all);
  static void sample(HeapWord* object, size_t size, JavaThread* thread);

  // Called by GC
  static void oops_do(BoolObjectClosure* is_alive, OopClosure* f);
};

#endif // SHARE_JFR_LEAKPROFILER_LEAKPROFILER_HPP