/* * Copyright (C) 2015-2017 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 "B3TimingScope.h" #if ENABLE(B3_JIT) #include "B3Common.h" #include <wtf/DataLog.h> #include <wtf/HashMap.h> #include <wtf/Lock.h> namespace JSC { namespace B3 { namespace { class State { WTF_MAKE_NONCOPYABLE(State); WTF_MAKE_FAST_ALLOCATED; public: State() { } Seconds addToTotal(const char* name, Seconds duration) { auto locker = holdLock(lock); return totals.add(name, Seconds(0)).iterator->value += duration; } private: HashMap<const char*, Seconds> totals; Lock lock; }; State& state() { static Atomic<State*> s_state; return ensurePointer(s_state, [] { return new State(); }); } } // anonymous namespace TimingScope::TimingScope(const char* name) : m_name(name) { if (shouldMeasurePhaseTiming()) m_before = MonotonicTime::now(); } TimingScope::~TimingScope() { if (shouldMeasurePhaseTiming()) { Seconds duration = MonotonicTime::now() - m_before; dataLog( "[B3] ", m_name, " took: ", duration.milliseconds(), " ms ", "(total: ", state().addToTotal(m_name, duration).milliseconds(), " ms).\n"); } } } } // namespace JSC::B3 #endif // ENABLE(B3_JIT)