61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
/*
|
|
* Copyright (c) 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/g1/g1ConcurrentRefineStats.hpp"
|
|
|
|
G1ConcurrentRefineStats::G1ConcurrentRefineStats() :
|
|
_refinement_time(),
|
|
_refined_cards(0),
|
|
_precleaned_cards(0),
|
|
_dirtied_cards(0)
|
|
{}
|
|
|
|
G1ConcurrentRefineStats&
|
|
G1ConcurrentRefineStats::operator+=(const G1ConcurrentRefineStats& other) {
|
|
_refinement_time += other._refinement_time;
|
|
_refined_cards += other._refined_cards;
|
|
_precleaned_cards += other._precleaned_cards;
|
|
_dirtied_cards += other._dirtied_cards;
|
|
return *this;
|
|
}
|
|
|
|
template<typename T>
|
|
static T clipped_sub(T x, T y) {
|
|
return (x < y) ? T() : (x - y);
|
|
}
|
|
|
|
G1ConcurrentRefineStats&
|
|
G1ConcurrentRefineStats::operator-=(const G1ConcurrentRefineStats& other) {
|
|
_refinement_time = clipped_sub(_refinement_time, other._refinement_time);
|
|
_refined_cards = clipped_sub(_refined_cards, other._refined_cards);
|
|
_precleaned_cards = clipped_sub(_precleaned_cards, other._precleaned_cards);
|
|
_dirtied_cards = clipped_sub(_dirtied_cards, other._dirtied_cards);
|
|
return *this;
|
|
}
|
|
|
|
void G1ConcurrentRefineStats::reset() {
|
|
*this = G1ConcurrentRefineStats();
|
|
}
|