src/hotspot/share/gc/cms/allocationStats.cpp
author stefank
Tue, 28 Nov 2017 21:43:45 +0100
changeset 48157 7c4d43c26352
parent 47216 71c04702a3d5
permissions -rw-r--r--
8192061: Clean up allocation.inline.hpp includes Reviewed-by: eosterlund, coleenp
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/*
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 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "gc/cms/allocationStats.hpp"
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#include "utilities/macros.hpp"
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#include "utilities/ostream.hpp"
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// Technically this should be derived from machine speed, and
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// ideally it would be dynamically adjusted.
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float AllocationStats::_threshold = ((float)CMS_SweepTimerThresholdMillis)/1000;
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void AllocationStats::initialize(bool split_birth)   {
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  AdaptivePaddedAverage* dummy =
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    new (&_demand_rate_estimate) AdaptivePaddedAverage(CMS_FLSWeight,
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                                                       CMS_FLSPadding);
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  _desired = 0;
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  _coal_desired = 0;
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  _surplus = 0;
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  _bfr_surp = 0;
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  _prev_sweep = 0;
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  _before_sweep = 0;
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  _coal_births = 0;
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  _coal_deaths = 0;
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  _split_births = (split_birth ? 1 : 0);
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  _split_deaths = 0;
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  _returned_bytes = 0;
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}