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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>
#include <wtf/text/WTFString.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 (UNLIKELY(Options::logPhaseTimes() || Options::reportTotalPhaseTimes()))
m_before = MonotonicTime::now();
}
CompilerTimingScope::~CompilerTimingScope()
{
if (UNLIKELY(Options::logPhaseTimes() || Options::reportTotalPhaseTimes())) {
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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