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CompilerTimingScope.cpp
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/*
* Copyright (C) 2015-2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#
include
"
config.h
"
#
include
"
CompilerTimingScope.h
"
#
include
"
Options.h
"
#
include
<
wtf/DataLog.h
>
#
include
<
wtf/Lock.h
>
#
include
<
wtf/TZoneMallocInlines.h
>
#
include
<
wtf/Vector.h
>
namespace
JSC
{
namespace
{
class
CompilerTimingScopeState
{
WTF_MAKE_NONCOPYABLE
(CompilerTimingScopeState);
WTF_MAKE_TZONE_ALLOCATED
(CompilerTimingScopeState);
public:
CompilerTimingScopeState
() { }
Seconds
addToTotal
(
const
char
* compilerName,
const
char
* name, Seconds duration)
{
Locker locker { lock };
for
(
auto
& tuple : totals) {
WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
if
(!
strcmp
(std::get<
0
>(tuple), compilerName) && !
strcmp
(std::get<
1
>(tuple), name)) {
WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
std::get<
2
>(tuple) += duration;
std::get<
3
>(tuple) =
std::max
(std::get<
3
>(tuple), duration);
return
std::get<
2
>(tuple);
}
}
totals.
append
({ compilerName, name, duration, duration });
return
duration;
}
void
logTotals
()
{
for
(
auto
& tuple : totals) {
dataLogLn
(
"
total ms:
"
,
FixedWidthDouble
(std::get<
2
>(tuple).
milliseconds
(),
8
,
3
),
"
max ms:
"
,
FixedWidthDouble
(std::get<
3
>(tuple).
milliseconds
(),
7
,
3
),
"
[
"
, std::get<
0
>(tuple),
"
]
"
, std::get<
1
>(tuple));
}
}
private:
Vector<std::tuple<
const
char
*,
const
char
*, Seconds, Seconds>> totals;
Lock lock;
};
WTF_MAKE_TZONE_ALLOCATED_IMPL
(CompilerTimingScopeState);
CompilerTimingScopeState&
compilerTimingScopeState
()
{
static
Atomic<CompilerTimingScopeState*> s_state;
return
ensurePointer
(s_state, [] {
return
new
CompilerTimingScopeState
(); });
}
}
//
anonymous namespace
CompilerTimingScope::CompilerTimingScope
(ASCIILiteral compilerName, ASCIILiteral name)
: m_compilerName(compilerName)
, m_name(name)
{
if
(
Options::logPhaseTimes
() ||
Options::reportTotalPhaseTimes
())
[[unlikely]]
m_before =
MonotonicTime::now
();
}
CompilerTimingScope::~CompilerTimingScope
()
{
if
(
Options::logPhaseTimes
() ||
Options::reportTotalPhaseTimes
())
[[unlikely]]
{
Seconds duration =
MonotonicTime::now
() - m_before;
auto
total =
compilerTimingScopeState
().
addToTotal
(m_compilerName, m_name, duration);
if
(
Options::logPhaseTimes
()) {
dataLog
(
"
[
"
, m_compilerName,
"
]
"
, m_name,
"
took:
"
, duration.
milliseconds
(),
"
ms
"
,
"
(total:
"
, total.
milliseconds
(),
"
ms).
\n
"
);
}
}
}
void
logTotalPhaseTimes
()
{
compilerTimingScopeState
().
logTotals
();
}
}
//
namespace JSC
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