1/*
2 * Copyright (c) 2012, 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#ifndef SHARE_JFR_RECORDER_REPOSITORY_JFRCHUNKROTATION_HPP
26#define SHARE_JFR_RECORDER_REPOSITORY_JFRCHUNKROTATION_HPP
27
28#include "memory/allocation.hpp"
29
30class JfrChunkWriter;
31
32//
33// Responsible for notifications about current chunk size now exceeding threshold.
34// This is a means to initiate a chunk rotation on the basis of the size written.
35//
36class JfrChunkRotation : AllStatic {
37 public:
38 static void evaluate(const JfrChunkWriter& writer);
39 static void set_threshold(int64_t bytes);
40 static bool should_rotate();
41 static void on_rotation();
42};
43
44#endif // SHARE_JFR_RECORDER_REPOSITORY_JFRCHUNKROTATION_HPP
45