1 files changed, 115 insertions, 0 deletions
diff --git a/WebKit/android/WebCoreSupport/V8Counters.cpp b/WebKit/android/WebCoreSupport/V8Counters.cpp
new file mode 100644
index 0000000..c62efb9
--- /dev/null
+++ b/WebKit/android/WebCoreSupport/V8Counters.cpp
@@ -0,0 +1,115 @@
+/*
+ * 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 ANROID_INSTRUMENT
+
+#define LOG_TAG "WebCore"
+
+#include "config.h"
+#include "V8Counters.h"
+#include "NotImplemented.h"
+
+#include <CString.h>
+#include <StringHash.h>
+#include <utils/Log.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)