Mercurial > hg > graal-compiler
view src/cpu/x86/vm/rtmLocking.cpp @ 20712:adc3127d2e09
Added tag hs25.40-b23 for changeset f8fc5cbe082c
author | amurillo |
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date | Fri, 12 Dec 2014 10:31:02 -0800 |
parents | 52b37289e3be |
children |
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/* * Copyright (c) 2014, 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. * */ #include "precompiled.hpp" #include "memory/allocation.inline.hpp" #include "runtime/task.hpp" #include "runtime/rtmLocking.hpp" // One-shot PeriodicTask subclass for enabling RTM locking uintx RTMLockingCounters::_calculation_flag = 0; class RTMLockingCalculationTask : public PeriodicTask { public: RTMLockingCalculationTask(size_t interval_time) : PeriodicTask(interval_time){ } virtual void task() { RTMLockingCounters::_calculation_flag = 1; // Reclaim our storage and disenroll ourself delete this; } }; void RTMLockingCounters::init() { if (UseRTMLocking && RTMLockingCalculationDelay > 0) { RTMLockingCalculationTask* task = new RTMLockingCalculationTask(RTMLockingCalculationDelay); task->enroll(); } else { _calculation_flag = 1; } } //------------------------------print_on------------------------------- void RTMLockingCounters::print_on(outputStream* st) { tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate); tty->print_cr("# rtm lock aborts : " UINTX_FORMAT, _abort_count); for (int i = 0; i < ABORT_STATUS_LIMIT; i++) { tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]); } }