/*
* 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 .
*/
#ifndef SHARE_GC_Z_ZTRACER_HPP
#define SHARE_GC_Z_ZTRACER_HPP
#include "gc/shared/gcTrace.hpp"
class ZStatCounter;
class ZStatPhase;
class ZStatSampler;
class ZTracer : public GCTracer, public CHeapObj<mtGC> {
private :
static ZTracer* _tracer;
ZTracer();
void send_stat_counter(const ZStatCounter& counter, uint64_t increment, uint64_t value);
void send_stat_sampler(const ZStatSampler& sampler, uint64_t value);
void send_thread_phase(const char* name, const Ticks& start, const Ticks& end);
void send_thread_debug(const char* name, const Ticks& start, const Ticks& end);
public :
static ZTracer* tracer();
static void initialize();
void report_stat_counter(const ZStatCounter& counter, uint64_t increment, uint64_t value);
void report_stat_sampler(const ZStatSampler& sampler, uint64_t value);
void report_thread_phase(const char* name, const Ticks& start, const Ticks& end);
void report_thread_debug(const char* name, const Ticks& start, const Ticks& end);
};
// For temporary latency measurements during development and debugging
class ZTraceThreadDebug : public StackObj {
private :
const Ticks _start;
const char* const _name;
public :
ZTraceThreadDebug(const char* name);
~ZTraceThreadDebug();
};
#endif // SHARE_GC_Z_ZTRACER_HPP
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