/*
* Copyright ( c ) 2016 , 2020 , 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/zGlobals.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 ZPageTypeConstant : public JfrSerializer {
public :
virtual void serialize(JfrCheckpointWriter& writer) {
writer.write_count(3 );
writer.write_key(ZPageTypeSmall);
writer.write("Small" );
writer.write_key(ZPageTypeMedium);
writer.write("Medium" );
writer.write_key(ZPageTypeLarge);
writer.write("Large" );
}
};
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_ZPAGETYPETYPE,
true /* permit_cache */,
new ZPageTypeConstant());
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 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_thread_debug(const char* name, const Ticks& start, const Ticks& end) {
NoSafepointVerifier nsv;
EventZThreadDebug 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();
}
}
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-09-04)
¤
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