/*
* Copyright ( c ) 2013 , 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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* This code is free software ; you can redistribute it and / or modify it
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* published by the Free Software Foundation .
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* 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 ) .
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#ifndef SHARE_GC_G1_G1REMSETSUMMARY_HPP
#define SHARE_GC_G1_G1REMSETSUMMARY_HPP
#include "gc/g1/g1CardSet.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/ostream.hpp"
class G1RemSet;
// A G1RemSetSummary manages statistical information about the G1RemSet
class G1RemSetSummary {
size_t _num_vtimes;
double * _rs_threads_vtimes;
void set_rs_thread_vtime(uint thread, double value);
// update this summary with current data from various places
void update();
public :
G1RemSetSummary(bool should_update = true );
~G1RemSetSummary();
// set the counters in this summary to the values of the others
void set(G1RemSetSummary* other);
// subtract all counters from the other summary, and set them in the current
void subtract_from(G1RemSetSummary* other);
void print_on(outputStream* out, bool show_thread_times);
double rs_thread_vtime(uint thread) const ;
};
#endif // SHARE_GC_G1_G1REMSETSUMMARY_HPP
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