Mercurial > hg > graal-compiler
view src/share/vm/utilities/ticks.hpp @ 20556:8585e75970c7
8049071: Add jtreg jobs to JPRT for hotspot
Reviewed-by: dholmes, iveresov
author | mikael |
---|---|
date | Thu, 16 Oct 2014 20:20:17 -0400 |
parents | 86e6d691f2e1 |
children |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_UTILITIES_TICKS_HPP #define SHARE_VM_UTILITIES_TICKS_HPP #include "memory/allocation.hpp" #include "utilities/globalDefinitions.hpp" class Ticks; class Tickspan VALUE_OBJ_CLASS_SPEC { friend class Ticks; friend Tickspan operator-(const Ticks& end, const Ticks& start); private: jlong _span_ticks; Tickspan(const Ticks& end, const Ticks& start); public: Tickspan() : _span_ticks(0) {} Tickspan& operator+=(const Tickspan& rhs) { _span_ticks += rhs._span_ticks; return *this; } jlong value() const { return _span_ticks; } }; class Ticks VALUE_OBJ_CLASS_SPEC { private: jlong _stamp_ticks; public: Ticks() : _stamp_ticks(0) { assert((_stamp_ticks = invalid_time_stamp) == invalid_time_stamp, "initial unstamped time value assignment"); } Ticks& operator+=(const Tickspan& span) { _stamp_ticks += span.value(); return *this; } Ticks& operator-=(const Tickspan& span) { _stamp_ticks -= span.value(); return *this; } void stamp(); jlong value() const { return _stamp_ticks; } static const Ticks now(); #ifdef ASSERT static const jlong invalid_time_stamp; #endif #ifndef PRODUCT // only for internal use by GC VM tests friend class TimePartitionPhasesIteratorTest; friend class GCTimerTest; private: // implicit type conversion Ticks(int ticks) : _stamp_ticks(ticks) {} #endif // !PRODUCT }; class TicksToTimeHelper : public AllStatic { public: enum Unit { SECONDS = 1, MILLISECONDS = 1000 }; static double seconds(const Tickspan& span); static jlong milliseconds(const Tickspan& span); }; #endif // SHARE_VM_UTILITIES_TICKS_HPP