/*

 * Copyright (c) 2002, 2015, 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 "gc/shared/collectorCounters.hpp"

#include "memory/allocation.inline.hpp"

#include "memory/resourceArea.hpp"

#include "runtime/os.hpp"

CollectorCounters::CollectorCounters(const char* name, int ordinal) {

  if (UsePerfData) {

    EXCEPTION_MARK;

    ResourceMark rm;

    const char* cns = PerfDataManager::name_space("collector", ordinal);

    _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);

    strcpy(_name_space, cns);

    char* cname = PerfDataManager::counter_name(_name_space, "name");

    PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);

    cname = PerfDataManager::counter_name(_name_space, "invocations");

    _invocations = PerfDataManager::create_counter(SUN_GC, cname,

                                                   PerfData::U_Events, CHECK);

    cname = PerfDataManager::counter_name(_name_space, "time");

    _time = PerfDataManager::create_counter(SUN_GC, cname, PerfData::U_Ticks,

                                            CHECK);

    cname = PerfDataManager::counter_name(_name_space, "lastEntryTime");

    _last_entry_time = PerfDataManager::create_variable(SUN_GC, cname,

                                                        PerfData::U_Ticks,

                                                        CHECK);

    cname = PerfDataManager::counter_name(_name_space, "lastExitTime");

    _last_exit_time = PerfDataManager::create_variable(SUN_GC, cname,

                                                       PerfData::U_Ticks,

                                                       CHECK);

  }

}

CollectorCounters::~CollectorCounters() {

  if (_name_space != NULL) {

    FREE_C_HEAP_ARRAY(char, _name_space);

  }

}

TraceCollectorStats::TraceCollectorStats(CollectorCounters* c) :

    PerfTraceTimedEvent(c->time_counter(), c->invocation_counter()),

    _c(c) {

  if (UsePerfData) {

     _c->last_entry_counter()->set_value(os::elapsed_counter());

  }

}

TraceCollectorStats::~TraceCollectorStats() {

  if (UsePerfData) {

    _c->last_exit_counter()->set_value(os::elapsed_counter());

  }

}