git-svn-id: http://webrtc.googlecode.com/svn/trunk@6 4adac7df-926f-26a2-2b94-8c16560cd09d

system_wrappers/source/cpu_linux.h

@@ -0,0 +1,51 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_LINUX_H_
+#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_LINUX_H_
+
+#include "cpu_wrapper.h"
+
+namespace webrtc {
+class CpuLinux : public CpuWrapper
+{
+public:
+    CpuLinux();
+    virtual ~CpuLinux();
+
+    virtual WebRtc_Word32 CpuUsage();
+    virtual WebRtc_Word32 CpuUsage(WebRtc_Word8* /*pProcessName*/,
+                                   WebRtc_UWord32 /*length*/) {return 0;}
+    virtual WebRtc_Word32 CpuUsage(WebRtc_UWord32 /*dwProcessID*/) {return 0;}
+
+    virtual WebRtc_Word32 CpuUsageMultiCore(WebRtc_UWord32& numCores,
+                                            WebRtc_UWord32*& array);
+
+    virtual void Reset() {return;}
+    virtual void Stop() {return;}
+private:
+    int GetData(long long& busy, long long& idle, long long*& busyArray,
+                long long*& idleArray);
+    int GetNumCores();
+
+    long long m_oldBusyTime;
+    long long m_oldIdleTime;
+
+    long long* m_oldBusyTimeMulti;
+    long long* m_oldIdleTimeMulti;
+
+    long long* m_idleArray;
+    long long* m_busyArray;
+    WebRtc_UWord32* m_resultArray;
+    WebRtc_UWord32  m_numCores;
+};
+} // namespace webrtc
+
+#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_LINUX_H_