Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/rtmLocking.cpp
src/cpu/x86/vm/rtmLocking.cpp
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| 1 /* | |
| 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "precompiled.hpp" | |
| 26 #include "memory/allocation.inline.hpp" | |
| 27 #include "runtime/task.hpp" | |
| 28 #include "runtime/rtmLocking.hpp" | |
| 29 | |
| 30 // One-shot PeriodicTask subclass for enabling RTM locking | |
| 31 uintx RTMLockingCounters::_calculation_flag = 0; | |
| 32 | |
| 33 class RTMLockingCalculationTask : public PeriodicTask { | |
| 34 public: | |
| 35 RTMLockingCalculationTask(size_t interval_time) : PeriodicTask(interval_time){ } | |
| 36 | |
| 37 virtual void task() { | |
| 38 RTMLockingCounters::_calculation_flag = 1; | |
| 39 // Reclaim our storage and disenroll ourself | |
| 40 delete this; | |
| 41 } | |
| 42 }; | |
| 43 | |
| 44 void RTMLockingCounters::init() { | |
| 45 if (UseRTMLocking && RTMLockingCalculationDelay > 0) { | |
| 46 RTMLockingCalculationTask* task = new RTMLockingCalculationTask(RTMLockingCalculationDelay); | |
| 47 task->enroll(); | |
| 48 } else { | |
| 49 _calculation_flag = 1; | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 //------------------------------print_on------------------------------- | |
| 54 void RTMLockingCounters::print_on(outputStream* st) { | |
| 55 tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate); | |
| 56 tty->print_cr("# rtm lock aborts : " UINTX_FORMAT, _abort_count); | |
| 57 for (int i = 0; i < ABORT_STATUS_LIMIT; i++) { | |
| 58 tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]); | |
| 59 } | |
| 60 } |
