kvn@6429: /*
kvn@6429:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
kvn@6429:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
kvn@6429:  *
kvn@6429:  * This code is free software; you can redistribute it and/or modify it
kvn@6429:  * under the terms of the GNU General Public License version 2 only, as
kvn@6429:  * published by the Free Software Foundation.
kvn@6429:  *
kvn@6429:  * This code is distributed in the hope that it will be useful, but WITHOUT
kvn@6429:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
kvn@6429:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
kvn@6429:  * version 2 for more details (a copy is included in the LICENSE file that
kvn@6429:  * accompanied this code).
kvn@6429:  *
kvn@6429:  * You should have received a copy of the GNU General Public License version
kvn@6429:  * 2 along with this work; if not, write to the Free Software Foundation,
kvn@6429:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
kvn@6429:  *
kvn@6429:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
kvn@6429:  * or visit www.oracle.com if you need additional information or have any
kvn@6429:  * questions.
kvn@6429:  *
kvn@6429:  */
kvn@6429: 
kvn@6429: #include "precompiled.hpp"
kvn@6430: #include "memory/allocation.inline.hpp"
kvn@6429: #include "runtime/task.hpp"
kvn@6429: #include "runtime/rtmLocking.hpp"
kvn@6429: 
kvn@6429: // One-shot PeriodicTask subclass for enabling RTM locking
kvn@6429: uintx RTMLockingCounters::_calculation_flag = 0;
kvn@6429: 
kvn@6429: class RTMLockingCalculationTask : public PeriodicTask {
kvn@6429:  public:
kvn@6429:   RTMLockingCalculationTask(size_t interval_time) : PeriodicTask(interval_time){  }
kvn@6429: 
kvn@6429:   virtual void task() {
kvn@6429:     RTMLockingCounters::_calculation_flag = 1;
kvn@6429:     // Reclaim our storage and disenroll ourself
kvn@6429:     delete this;
kvn@6429:   }
kvn@6429: };
kvn@6429: 
kvn@6429: void RTMLockingCounters::init() {
kvn@6429:   if (UseRTMLocking && RTMLockingCalculationDelay > 0) {
kvn@6429:     RTMLockingCalculationTask* task = new RTMLockingCalculationTask(RTMLockingCalculationDelay);
kvn@6429:     task->enroll();
kvn@6429:   } else {
kvn@6429:     _calculation_flag = 1;
kvn@6429:   }
kvn@6429: }
kvn@6429: 
kvn@6429: //------------------------------print_on-------------------------------
kvn@6429: void RTMLockingCounters::print_on(outputStream* st) {
kvn@6429:   tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate);
kvn@6429:   tty->print_cr("# rtm lock aborts  : " UINTX_FORMAT, _abort_count);
kvn@6429:   for (int i = 0; i < ABORT_STATUS_LIMIT; i++) {
kvn@6429:     tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]);
kvn@6429:   }
kvn@6429: }