1 files changed, 120 insertions, 0 deletions
diff --git a/Source/WebKit/android/TimeCounter.h b/Source/WebKit/android/TimeCounter.h
new file mode 100644
index 0000000..ecede27
--- /dev/null
+++ b/Source/WebKit/android/TimeCounter.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright 2009, 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.
+ */
+
+#ifndef TimeCounter_h
+#define TimeCounter_h
+
+#include "hardware_legacy/qemu_tracing.h"
+
+namespace WebCore {
+
+class KURL;
+
+}
+
+namespace android {
+
+uint32_t getThreadMsec();
+
+#ifdef ANDROID_INSTRUMENT
+
+class TimeCounter {
+public:
+    enum Type {
+        // function base counters
+        CSSParseTimeCounter,
+        JavaScriptTimeCounter,
+        JavaScriptInitTimeCounter,
+        JavaScriptParseTimeCounter,
+        JavaScriptExecuteTimeCounter,
+        CalculateStyleTimeCounter,
+        JavaCallbackTimeCounter,
+        ParsingTimeCounter,
+        LayoutTimeCounter,
+        // file base counters
+        NativeCallbackTimeCounter,  // WebCoreFrameBridge.cpp
+        ResourceTimeCounter,        // WebCoreResourceLoader.cpp
+        SharedTimerTimeCounter,     // JavaBridge.cpp
+        WebViewCoreBuildNavTimeCounter,
+        WebViewCoreRecordTimeCounter,
+        WebViewCoreTimeCounter,     // WebViewCore.cpp
+        WebViewUIDrawTimeCounter,
+        TotalTimeCounterCount
+    };
+
+    static void record(enum Type type, const char* functionName);
+    static void recordNoCounter(enum Type type, const char* functionName);
+    static void report(const WebCore::KURL& , int live, int dead, size_t arenaSize);
+    static void reportNow();
+    static void reset();
+    static void start(enum Type type);
+private:
+    static uint32_t sStartWebCoreThreadTime;
+    static uint32_t sEndWebCoreThreadTime;
+    static bool sRecordWebCoreTime;
+    static uint32_t sTotalTimeUsed[TotalTimeCounterCount];
+    static uint32_t sLastTimeUsed[TotalTimeCounterCount];
+    static uint32_t sCounter[TotalTimeCounterCount];
+    static uint32_t sLastCounter[TotalTimeCounterCount];
+    static uint32_t sStartTime[TotalTimeCounterCount];
+    friend class TimeCounterAuto;
+};
+
+class TimeCounterAuto {
+public:
+    TimeCounterAuto(TimeCounter::Type type) : 
+        m_type(type), m_startTime(getThreadMsec()) {}
+    ~TimeCounterAuto() {
+        uint32_t time = getThreadMsec();
+        TimeCounter::sEndWebCoreThreadTime = time;
+        TimeCounter::sTotalTimeUsed[m_type] += time - m_startTime;
+        TimeCounter::sCounter[m_type]++;
+    }
+private:
+    TimeCounter::Type m_type;
+    uint32_t m_startTime;
+};
+
+class QemuTracerAuto {
+public:
+    QemuTracerAuto() {
+        if (!reentry_count)
+            qemu_start_tracing();
+        reentry_count++;
+    }
+
+    ~QemuTracerAuto() {
+        reentry_count--;
+        if (!reentry_count)
+            qemu_stop_tracing();
+    }
+private:
+    static int reentry_count;
+};
+#endif  // ANDROID_INSTRUMENT
+
+}
+
+#endif