jdk

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/*
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 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "gc/shared/collectorCounters.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/resourceArea.hpp"
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#include "runtime/os.hpp"
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CollectorCounters::CollectorCounters(const char* name, int ordinal) {
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  if (UsePerfData) {
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    EXCEPTION_MARK;
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    ResourceMark rm;
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    const char* cns = PerfDataManager::name_space("collector", ordinal);
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    _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
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    strcpy(_name_space, cns);
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    char* cname = PerfDataManager::counter_name(_name_space, "name");
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    PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
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    cname = PerfDataManager::counter_name(_name_space, "invocations");
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    _invocations = PerfDataManager::create_counter(SUN_GC, cname,
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                                                   PerfData::U_Events, CHECK);
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    cname = PerfDataManager::counter_name(_name_space, "time");
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    _time = PerfDataManager::create_counter(SUN_GC, cname, PerfData::U_Ticks,
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                                            CHECK);
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    cname = PerfDataManager::counter_name(_name_space, "lastEntryTime");
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    _last_entry_time = PerfDataManager::create_variable(SUN_GC, cname,
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                                                        PerfData::U_Ticks,
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                                                        CHECK);
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    cname = PerfDataManager::counter_name(_name_space, "lastExitTime");
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    _last_exit_time = PerfDataManager::create_variable(SUN_GC, cname,
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                                                       PerfData::U_Ticks,
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                                                       CHECK);
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  }
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}
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CollectorCounters::~CollectorCounters() {
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  FREE_C_HEAP_ARRAY(char, _name_space);
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}
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TraceCollectorStats::TraceCollectorStats(CollectorCounters* c) :
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    PerfTraceTimedEvent(c->time_counter(), c->invocation_counter()),
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    _c(c) {
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  if (UsePerfData) {
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     _c->last_entry_counter()->set_value(os::elapsed_counter());
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  }
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}
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TraceCollectorStats::~TraceCollectorStats() {
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  if (UsePerfData) {
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    _c->last_exit_counter()->set_value(os::elapsed_counter());
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  }
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}
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