1/*
2 * Copyright (c) 2014, 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.
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23 */
24
25#ifndef SHARE_JFR_LEAKPROFILER_LEAKPROFILER_HPP
26#define SHARE_JFR_LEAKPROFILER_LEAKPROFILER_HPP
27
28#include "memory/allocation.hpp"
29
30class BoolObjectClosure;
31class OopClosure;
32class JavaThread;
33
34class LeakProfiler : public AllStatic {
35 public:
36 static bool start(int sample_count);
37 static bool stop();
38 static bool is_running();
39
40 static void emit_events(int64_t cutoff_ticks, bool emit_all);
41 static void sample(HeapWord* object, size_t size, JavaThread* thread);
42
43 // Called by GC
44 static void oops_do(BoolObjectClosure* is_alive, OopClosure* f);
45};
46
47#endif // SHARE_JFR_LEAKPROFILER_LEAKPROFILER_HPP
48