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/*
* 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)
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