1/*
2 * Copyright (C) 2015-2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <wtf/MonotonicTime.h>
29#include <wtf/Noncopyable.h>
30
31namespace JSC {
32
33// FIXME: We should find some way of reconciling the differences between WTF::TimingScope and this class. The differences
34// are:
35// - CompilerTimingScope knows to only do work when --logPhaseTimes=true, while TimingScope is unconditional.
36// - CompilerTimingScope reports totals on every run, while TimingScope reports averages periodically.
37
38class CompilerTimingScope {
39 WTF_MAKE_NONCOPYABLE(CompilerTimingScope);
40public:
41 CompilerTimingScope(const char* compilerName, const char* name);
42 ~CompilerTimingScope();
43
44private:
45 const char* m_compilerName;
46 const char* m_name;
47 MonotonicTime m_before;
48};
49
50} // namespace JSC
51
52