1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/x86/vm/rtmLocking.cpp Thu Mar 20 17:49:27 2014 -0700
1.3 @@ -0,0 +1,59 @@
1.4 +/*
1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +#include "runtime/task.hpp"
1.30 +#include "runtime/rtmLocking.hpp"
1.31 +
1.32 +// One-shot PeriodicTask subclass for enabling RTM locking
1.33 +uintx RTMLockingCounters::_calculation_flag = 0;
1.34 +
1.35 +class RTMLockingCalculationTask : public PeriodicTask {
1.36 + public:
1.37 + RTMLockingCalculationTask(size_t interval_time) : PeriodicTask(interval_time){ }
1.38 +
1.39 + virtual void task() {
1.40 + RTMLockingCounters::_calculation_flag = 1;
1.41 + // Reclaim our storage and disenroll ourself
1.42 + delete this;
1.43 + }
1.44 +};
1.45 +
1.46 +void RTMLockingCounters::init() {
1.47 + if (UseRTMLocking && RTMLockingCalculationDelay > 0) {
1.48 + RTMLockingCalculationTask* task = new RTMLockingCalculationTask(RTMLockingCalculationDelay);
1.49 + task->enroll();
1.50 + } else {
1.51 + _calculation_flag = 1;
1.52 + }
1.53 +}
1.54 +
1.55 +//------------------------------print_on-------------------------------
1.56 +void RTMLockingCounters::print_on(outputStream* st) {
1.57 + tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate);
1.58 + tty->print_cr("# rtm lock aborts : " UINTX_FORMAT, _abort_count);
1.59 + for (int i = 0; i < ABORT_STATUS_LIMIT; i++) {
1.60 + tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]);
1.61 + }
1.62 +}
