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#include "config.h"
27#include "CompilerTimingScope.h"
28
29#include "Options.h"
30#include <wtf/DataLog.h>
31#include <wtf/HashMap.h>
32#include <wtf/Lock.h>
33
34namespace JSC {
35
36namespace {
37
38class CompilerTimingScopeState {
39 WTF_MAKE_NONCOPYABLE(CompilerTimingScopeState);
40 WTF_MAKE_FAST_ALLOCATED;
41public:
42 CompilerTimingScopeState() { }
43
44 Seconds addToTotal(const char* compilerName, const char* name, Seconds duration)
45 {
46 auto locker = holdLock(lock);
47 return totals.add(std::make_pair(compilerName, name), Seconds(0)).iterator->value += duration;
48 }
49
50private:
51 HashMap<std::pair<const char*, const char*>, Seconds> totals;
52 Lock lock;
53};
54
55CompilerTimingScopeState& compilerTimingScopeState()
56{
57 static Atomic<CompilerTimingScopeState*> s_state;
58 return ensurePointer(s_state, [] { return new CompilerTimingScopeState(); });
59}
60
61} // anonymous namespace
62
63CompilerTimingScope::CompilerTimingScope(const char* compilerName, const char* name)
64 : m_compilerName(compilerName)
65 , m_name(name)
66{
67 if (Options::logPhaseTimes())
68 m_before = MonotonicTime::now();
69}
70
71CompilerTimingScope::~CompilerTimingScope()
72{
73 if (Options::logPhaseTimes()) {
74 Seconds duration = MonotonicTime::now() - m_before;
75 dataLog(
76 "[", m_compilerName, "] ", m_name, " took: ", duration.milliseconds(), " ms ",
77 "(total: ", compilerTimingScopeState().addToTotal(m_compilerName, m_name, duration).milliseconds(),
78 " ms).\n");
79 }
80}
81
82} // namespace JSC
83
84
85