96 lines
4.0 KiB
C++
96 lines
4.0 KiB
C++
/*
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* Copyright (c) 2018, Red Hat, Inc. All rights reserved.
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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/shenandoah/shenandoahHeap.hpp"
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#include "gc/shenandoah/shenandoahPhaseTimings.hpp"
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#include "gc/shenandoah/shenandoahTimingTracker.hpp"
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#include "gc/shenandoah/shenandoahUtils.hpp"
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#include "runtime/os.hpp"
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ShenandoahPhaseTimings::Phase ShenandoahTerminationTracker::_current_termination_phase = ShenandoahPhaseTimings::_num_phases;
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ShenandoahWorkerTimingsTracker::ShenandoahWorkerTimingsTracker(ShenandoahWorkerTimings* worker_times,
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ShenandoahPhaseTimings::GCParPhases phase, uint worker_id) :
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_phase(phase), _worker_times(worker_times), _worker_id(worker_id) {
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if (_worker_times != NULL) {
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_start_time = os::elapsedTime();
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}
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}
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ShenandoahWorkerTimingsTracker::~ShenandoahWorkerTimingsTracker() {
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if (_worker_times != NULL) {
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_worker_times->record_time_secs(_phase, _worker_id, os::elapsedTime() - _start_time);
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}
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if (ShenandoahGCPhase::is_root_work_phase()) {
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ShenandoahPhaseTimings::Phase root_phase = ShenandoahGCPhase::current_phase();
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ShenandoahPhaseTimings::Phase cur_phase = (ShenandoahPhaseTimings::Phase)((int)root_phase + (int)_phase + 1);
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_event.commit(GCId::current(), _worker_id, ShenandoahPhaseTimings::phase_name(cur_phase));
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}
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}
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ShenandoahTerminationTimingsTracker::ShenandoahTerminationTimingsTracker(uint worker_id) :
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_worker_id(worker_id) {
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if (ShenandoahTerminationTrace) {
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_start_time = os::elapsedTime();
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}
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}
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ShenandoahTerminationTimingsTracker::~ShenandoahTerminationTimingsTracker() {
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if (ShenandoahTerminationTrace) {
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ShenandoahHeap::heap()->phase_timings()->termination_times()->record_time_secs(_worker_id, os::elapsedTime() - _start_time);
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}
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}
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ShenandoahTerminationTracker::ShenandoahTerminationTracker(ShenandoahPhaseTimings::Phase phase) : _phase(phase) {
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assert(_current_termination_phase == ShenandoahPhaseTimings::_num_phases, "Should be invalid");
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assert(phase == ShenandoahPhaseTimings::termination ||
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phase == ShenandoahPhaseTimings::final_traversal_gc_termination ||
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phase == ShenandoahPhaseTimings::full_gc_mark_termination ||
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phase == ShenandoahPhaseTimings::conc_termination ||
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phase == ShenandoahPhaseTimings::conc_traversal_termination ||
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phase == ShenandoahPhaseTimings::weakrefs_termination ||
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phase == ShenandoahPhaseTimings::full_gc_weakrefs_termination,
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"Only these phases");
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assert(!Thread::current()->is_Worker_thread() &&
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(Thread::current()->is_VM_thread() ||
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Thread::current()->is_ConcurrentGC_thread()),
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"Called from wrong thread");
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_current_termination_phase = phase;
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ShenandoahHeap::heap()->phase_timings()->termination_times()->reset();
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}
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ShenandoahTerminationTracker::~ShenandoahTerminationTracker() {
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assert(_phase == _current_termination_phase, "Can not change phase");
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ShenandoahPhaseTimings* phase_times = ShenandoahHeap::heap()->phase_timings();
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double t = phase_times->termination_times()->average();
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phase_times->record_phase_time(_phase, t);
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debug_only(_current_termination_phase = ShenandoahPhaseTimings::_num_phases;)
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}
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