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
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23 */
24
25#ifndef SHARE_GC_SHARED_GCTRACETIME_HPP
26#define SHARE_GC_SHARED_GCTRACETIME_HPP
27
28#include "logging/log.hpp"
29#include "logging/logHandle.hpp"
30#include "logging/logStream.hpp"
31#include "memory/allocation.hpp"
32#include "utilities/ticks.hpp"
33
34class GCTraceCPUTime : public StackObj {
35 bool _active; // true if times will be measured and printed
36 double _starting_user_time; // user time at start of measurement
37 double _starting_system_time; // system time at start of measurement
38 double _starting_real_time; // real time at start of measurement
39 public:
40 GCTraceCPUTime();
41 ~GCTraceCPUTime();
42};
43
44class GCTimer;
45
46class GCTraceTimeImpl : public StackObj {
47 private:
48 LogTargetHandle _out_start;
49 LogTargetHandle _out_stop;
50 bool _enabled;
51 Ticks _start_ticks;
52 const char* _title;
53 GCCause::Cause _gc_cause;
54 GCTimer* _timer;
55 size_t _heap_usage_before;
56
57 void log_start(jlong start_counter);
58 void log_stop(jlong start_counter, jlong stop_counter);
59 void time_stamp(Ticks& ticks);
60
61 public:
62 GCTraceTimeImpl(LogTargetHandle out_start, LogTargetHandle out_end, const char* title, GCTimer* timer = NULL, GCCause::Cause gc_cause = GCCause::_no_gc, bool log_heap_usage = false);
63 ~GCTraceTimeImpl();
64};
65
66template <LogLevelType Level, LogTagType T0, LogTagType T1, LogTagType T2, LogTagType T3, LogTagType T4, LogTagType GuardTag>
67class GCTraceTimeImplWrapper : public StackObj {
68 GCTraceTimeImpl _impl;
69public:
70 GCTraceTimeImplWrapper(const char* title, GCTimer* timer = NULL, GCCause::Cause gc_cause = GCCause::_no_gc, bool log_heap_usage = false);
71 ~GCTraceTimeImplWrapper();
72};
73
74// Similar to GCTraceTimeImpl but is intended for concurrent phase logging,
75// which is a bit simpler and should always print the start line, i.e. not add the "start" tag.
76template <LogLevelType Level, LogTagType T0, LogTagType T1 = LogTag::__NO_TAG, LogTagType T2 = LogTag::__NO_TAG, LogTagType T3 = LogTag::__NO_TAG,
77 LogTagType T4 = LogTag::__NO_TAG, LogTagType GuardTag = LogTag::__NO_TAG>
78class GCTraceConcTimeImpl : public StackObj {
79 private:
80 bool _enabled;
81 jlong _start_time;
82 const char* _title;
83 public:
84 GCTraceConcTimeImpl(const char* title);
85 ~GCTraceConcTimeImpl();
86 jlong start_time() { return _start_time; }
87};
88
89#endif // SHARE_GC_SHARED_GCTRACETIME_HPP
90