54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
/*
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* Copyright (c) 2025, 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 "gc/shared/vtimeScope.hpp"
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#include "gc/shared/collectedHeap.hpp"
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#include "logging/log.hpp"
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#include "memory/universe.hpp"
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#include "runtime/cpuTimeCounters.hpp"
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#include "runtime/os.hpp"
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inline VTimeScope::VTimeScope(VMThread *thread)
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: _start(0), _enabled(os::is_thread_cpu_time_supported()),
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_gcLogging(log_is_enabled(Info, gc) || log_is_enabled(Info, gc, cpu)),
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_thread((Thread*)thread) {
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if (_enabled && _gcLogging) {
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_start = os::thread_cpu_time(_thread);
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}
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}
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inline VTimeScope::~VTimeScope() {
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if (_enabled) {
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jlong end = _gcLogging || UsePerfData ? os::thread_cpu_time(_thread) : 0;
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if (_gcLogging) {
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jlong duration = end > _start ? end - _start : 0;
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Universe::heap()->add_vm_vtime(duration);
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}
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if (UsePerfData) {
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CPUTimeCounters::get_instance()->update_counter(CPUTimeGroups::CPUTimeType::vm, end);
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}
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}
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} |