Path: blob/master/runtime/gc_realtime/ProcessorInfo.hpp
5986 views
/*******************************************************************************1* Copyright (c) 1991, 2019 IBM Corp. and others2*3* This program and the accompanying materials are made available under4* the terms of the Eclipse Public License 2.0 which accompanies this5* distribution and is available at https://www.eclipse.org/legal/epl-2.0/6* or the Apache License, Version 2.0 which accompanies this distribution and7* is available at https://www.apache.org/licenses/LICENSE-2.0.8*9* This Source Code may also be made available under the following10* Secondary Licenses when the conditions for such availability set11* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU12* General Public License, version 2 with the GNU Classpath13* Exception [1] and GNU General Public License, version 2 with the14* OpenJDK Assembly Exception [2].15*16* [1] https://www.gnu.org/software/classpath/license.html17* [2] http://openjdk.java.net/legal/assembly-exception.html18*19* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception20*******************************************************************************/2122/**23* @file24* @ingroup GC_Metronome25*/2627#if !defined(PROCESSORINFO_HPP_)28#define PROCESSORINFO_HPP_2930#include "BaseVirtual.hpp"31#include "GCExtensionsBase.hpp"3233class MM_EnvironmentBase;34class MM_OSInterface;3536/**37* @todo Provide class documentation38* @ingroup GC_Metronome39*/40class MM_ProcessorInfo : public MM_BaseVirtual41{42public:4344MM_ProcessorInfo() :45_freq(0)46{47_typeId = __FUNCTION__;48}4950static MM_ProcessorInfo *newInstance(MM_EnvironmentBase *env);51bool initialize(MM_EnvironmentBase *env);5253virtual void kill(MM_EnvironmentBase *env);54void tearDown(MM_EnvironmentBase *env);5556double _freq; /**< The measured frequency of this processor */5758double tickToSecond(U_64 t);59U_64 secondToTick(double s); /**< Users should note that double's have less precision than U_64 */6061private:62double readFrequency();63};646566#endif /* PROCESSORINFO_HPP_ */676869