68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
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* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "utilities/globalDefinitions.hpp"
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#if INCLUDE_RTM_OPT
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#include "memory/allocation.inline.hpp"
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#include "runtime/task.hpp"
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#include "runtime/rtmLocking.hpp"
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// One-shot PeriodicTask subclass for enabling RTM locking
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uintx RTMLockingCounters::_calculation_flag = 0;
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class RTMLockingCalculationTask : public PeriodicTask {
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public:
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RTMLockingCalculationTask(size_t interval_time) : PeriodicTask(interval_time){ }
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virtual void task() {
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RTMLockingCounters::_calculation_flag = 1;
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// Reclaim our storage and disenroll ourself
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delete this;
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}
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};
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void RTMLockingCounters::init() {
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if (UseRTMLocking && RTMLockingCalculationDelay > 0) {
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RTMLockingCalculationTask* task = new RTMLockingCalculationTask(RTMLockingCalculationDelay);
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task->enroll();
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} else {
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_calculation_flag = 1;
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}
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}
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//------------------------------print_on-------------------------------
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void RTMLockingCounters::print_on(outputStream* st) {
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tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate);
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tty->print_cr("# rtm lock aborts : " UINTX_FORMAT, _abort_count);
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for (int i = 0; i < ABORT_STATUS_LIMIT; i++) {
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tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]);
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}
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}
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#endif
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