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/*
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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.
*/
#if USE(V8)
#ifdef ANDROID_INSTRUMENT
#define LOG_TAG "WebCore"
#include "config.h"
#include "V8Counters.h"
#include "NotImplemented.h"
#include <StringHash.h>
#include <utils/Log.h>
#include <wtf/text/CString.h>
namespace WebCore {
V8Counters::Counter::Counter(bool isHistogram)
: m_count(0), m_sampleTotal(0), m_isHistogram(isHistogram) { }
void V8Counters::Counter::addSample(int sample)
{
m_count++;
m_sampleTotal += sample;
}
HashMap<String, V8Counters::Counter*> V8Counters::m_counters;
// static
int* V8Counters::counterForName(const char* name)
{
Counter* counter = m_counters.get(name);
if (!counter) {
counter = new Counter(false);
m_counters.add(name, counter);
}
return *counter;
}
// static
void* V8Counters::createHistogram(const char* name, int min, int max,
size_t buckets)
{
Counter* counter = new Counter(true);
m_counters.add(name, counter);
return counter;
}
// static
void V8Counters::addHistogramSample(void* histogram, int sample)
{
Counter* counter = reinterpret_cast<Counter*>(histogram);
counter->addSample(sample);
}
// static
void V8Counters::initCounters()
{
static bool isInitialized = false;
if (!isInitialized) {
v8::V8::SetCounterFunction(counterForName);
v8::V8::SetCreateHistogramFunction(createHistogram);
v8::V8::SetAddHistogramSampleFunction(addHistogramSample);
isInitialized = true;
}
}
// static
void V8Counters::dumpCounters()
{
LOGD("+----------------------------------------+-------------+\n");
LOGD("| Name | Value |\n");
LOGD("+----------------------------------------+-------------+\n");
typedef HashMap<String, V8Counters::Counter*>::iterator CounterIterator;
for (CounterIterator iter = m_counters.begin(); iter != m_counters.end(); ++iter) {
Counter* counter = iter->second;
if (counter->isHistogram()) {
LOGD("| c:%-36s | %11i |\n", iter->first.latin1().data(), counter->count());
LOGD("| t:%-36s | %11i |\n", iter->first.latin1().data(), counter->sampleTotal());
} else {
LOGD("| %-38s | %11i |\n", iter->first.latin1().data(), counter->count());
}
}
LOGD("+----------------------------------------+-------------+\n");
}
}
#endif // ANDROID_INSTRUMENT
#endif // USE(V8)
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