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/*
* 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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