| /* |
| * Copyright (c) 2016, 2019, 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/gcId.hpp" |
| #include "gc/z/zStat.hpp" |
| #include "gc/z/zTracer.hpp" |
| #include "jfr/jfrEvents.hpp" |
| #include "runtime/safepointVerifiers.hpp" |
| #include "utilities/debug.hpp" |
| #include "utilities/macros.hpp" |
| #if INCLUDE_JFR |
| #include "jfr/metadata/jfrSerializer.hpp" |
| #endif |
| |
| #if INCLUDE_JFR |
| |
| class ZStatisticsCounterTypeConstant : public JfrSerializer { |
| public: |
| virtual void serialize(JfrCheckpointWriter& writer) { |
| writer.write_count(ZStatCounter::count()); |
| for (ZStatCounter* counter = ZStatCounter::first(); counter != NULL; counter = counter->next()) { |
| writer.write_key(counter->id()); |
| writer.write(counter->name()); |
| } |
| } |
| }; |
| |
| class ZStatisticsSamplerTypeConstant : public JfrSerializer { |
| public: |
| virtual void serialize(JfrCheckpointWriter& writer) { |
| writer.write_count(ZStatSampler::count()); |
| for (ZStatSampler* sampler = ZStatSampler::first(); sampler != NULL; sampler = sampler->next()) { |
| writer.write_key(sampler->id()); |
| writer.write(sampler->name()); |
| } |
| } |
| }; |
| |
| static void register_jfr_type_serializers() { |
| JfrSerializer::register_serializer(TYPE_ZSTATISTICSCOUNTERTYPE, |
| true /* permit_cache */, |
| new ZStatisticsCounterTypeConstant()); |
| JfrSerializer::register_serializer(TYPE_ZSTATISTICSSAMPLERTYPE, |
| true /* permit_cache */, |
| new ZStatisticsSamplerTypeConstant()); |
| } |
| |
| #endif // INCLUDE_JFR |
| |
| ZTracer* ZTracer::_tracer = NULL; |
| |
| ZTracer::ZTracer() : |
| GCTracer(Z) {} |
| |
| void ZTracer::initialize() { |
| assert(_tracer == NULL, "Already initialized"); |
| _tracer = new (ResourceObj::C_HEAP, mtGC) ZTracer(); |
| JFR_ONLY(register_jfr_type_serializers()); |
| } |
| |
| void ZTracer::send_stat_counter(const ZStatCounter& counter, uint64_t increment, uint64_t value) { |
| NoSafepointVerifier nsv; |
| |
| EventZStatisticsCounter e; |
| if (e.should_commit()) { |
| e.set_id(counter.id()); |
| e.set_increment(increment); |
| e.set_value(value); |
| e.commit(); |
| } |
| } |
| |
| void ZTracer::send_stat_sampler(const ZStatSampler& sampler, uint64_t value) { |
| NoSafepointVerifier nsv; |
| |
| EventZStatisticsSampler e; |
| if (e.should_commit()) { |
| e.set_id(sampler.id()); |
| e.set_value(value); |
| e.commit(); |
| } |
| } |
| |
| void ZTracer::send_thread_phase(const char* name, const Ticks& start, const Ticks& end) { |
| NoSafepointVerifier nsv; |
| |
| EventZThreadPhase e(UNTIMED); |
| if (e.should_commit()) { |
| e.set_gcId(GCId::current_or_undefined()); |
| e.set_name(name); |
| e.set_starttime(start); |
| e.set_endtime(end); |
| e.commit(); |
| } |
| } |
| |
| void ZTracer::send_page_alloc(size_t size, size_t used, size_t free, size_t cache, ZAllocationFlags flags) { |
| NoSafepointVerifier nsv; |
| |
| EventZPageAllocation e; |
| if (e.should_commit()) { |
| e.set_pageSize(size); |
| e.set_usedAfter(used); |
| e.set_freeAfter(free); |
| e.set_inCacheAfter(cache); |
| e.set_nonBlocking(flags.non_blocking()); |
| e.set_noReserve(flags.no_reserve()); |
| e.commit(); |
| } |
| } |