Path: blob/master/src/hotspot/share/jfr/utilities/jfrTime.hpp
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/*1* Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.2* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.3*4* This code is free software; you can redistribute it and/or modify it5* under the terms of the GNU General Public License version 2 only, as6* published by the Free Software Foundation.7*8* This code is distributed in the hope that it will be useful, but WITHOUT9* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or10* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License11* version 2 for more details (a copy is included in the LICENSE file that12* accompanied this code).13*14* You should have received a copy of the GNU General Public License version15* 2 along with this work; if not, write to the Free Software Foundation,16* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.17*18* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA19* or visit www.oracle.com if you need additional information or have any20* questions.21*22*/2324#ifndef SHARE_JFR_UTILITIES_JFRTIME_HPP25#define SHARE_JFR_UTILITIES_JFRTIME_HPP2627#include "utilities/ticks.hpp"2829typedef TimeInstant<CounterRepresentation, FastUnorderedElapsedCounterSource> JfrTicks;30typedef TimeInterval<CounterRepresentation, FastUnorderedElapsedCounterSource> JfrTickspan;3132class JfrTime {33private:34static bool _ft_enabled;35public:36static bool initialize();37static bool is_ft_enabled() { return _ft_enabled; }38static bool is_ft_supported();39static jlong frequency();40static const void* time_function();41};4243#endif // SHARE_JFR_UTILITIES_JFRTIME_HPP444546