1 /*
 2  * Copyright (c) 2017, 2020, 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_UTILITIES_JFRTYPES_HPP
26 #define SHARE_JFR_UTILITIES_JFRTYPES_HPP
27 
28 #include "jfrfiles/jfrEventIds.hpp"
29 #include "jfrfiles/jfrTypes.hpp"
30 #include "utilities/globalDefinitions.hpp"
31 
32 typedef u8 traceid;
33 typedef int fio_fd;
34 
35 const int invalid_fd = -1;
36 const jlong invalid_offset = -1;
37 const int64_t invalid_time = -1;
38 const u4 STACK_DEPTH_DEFAULT = 64;
39 const u4 MIN_STACK_DEPTH = 1;
40 const u4 MAX_STACK_DEPTH = 2048;
41 
42 const int jfr_epoch_shift = 48;
43 const traceid jfr_id_mask = ((((traceid)1) << jfr_epoch_shift) - 1);
44 const traceid jfr_epoch_mask = ~jfr_id_mask;
45 
46 enum ReservedEvent {
47   EVENT_METADATA = 0,
48   EVENT_CHECKPOINT = 1
49 };
50 
51 enum EventStartTime {
52   UNTIMED,
53   TIMED
54 };
55 
56 enum JfrCheckpointType {
57   GENERIC,
58   FLUSH,
59   HEADER,
60   STATICS = 4,
61   THREADS = 8
62 };
63 
64 
65 #endif // SHARE_JFR_UTILITIES_JFRTYPES_HPP