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src/share/vm/gc_implementation/shared/generationCounters.cpp@710a3c8b516e (annotated)

src/share/vm/gc_implementation/shared/generationCounters.cpp

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 4153

b9a9ed0f8eeb

parent 0

f90c822e73f8

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "gc_implementation/shared/generationCounters.hpp"
aoqi@0	27	#include "memory/resourceArea.hpp"
aoqi@0	28
aoqi@0	29	void GenerationCounters::initialize(const char* name, int ordinal, int spaces,
aoqi@0	30	size_t min_capacity, size_t max_capacity,
aoqi@0	31	size_t curr_capacity) {
aoqi@0	32	if (UsePerfData) {
aoqi@0	33	EXCEPTION_MARK;
aoqi@0	34	ResourceMark rm;
aoqi@0	35
aoqi@0	36	const char* cns = PerfDataManager::name_space("generation", ordinal);
aoqi@0	37
aoqi@0	38	_name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
aoqi@0	39	strcpy(_name_space, cns);
aoqi@0	40
aoqi@0	41	const char* cname = PerfDataManager::counter_name(_name_space, "name");
aoqi@0	42	PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
aoqi@0	43
aoqi@0	44	cname = PerfDataManager::counter_name(_name_space, "spaces");
aoqi@0	45	PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
aoqi@0	46	spaces, CHECK);
aoqi@0	47
aoqi@0	48	cname = PerfDataManager::counter_name(_name_space, "minCapacity");
aoqi@0	49	PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
aoqi@0	50	min_capacity, CHECK);
aoqi@0	51
aoqi@0	52	cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
aoqi@0	53	PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
aoqi@0	54	max_capacity, CHECK);
aoqi@0	55
aoqi@0	56	cname = PerfDataManager::counter_name(_name_space, "capacity");
aoqi@0	57	_current_size =
aoqi@0	58	PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
aoqi@0	59	curr_capacity, CHECK);
aoqi@0	60	}
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	GenerationCounters::GenerationCounters(const char* name,
aoqi@0	64	int ordinal, int spaces,
aoqi@0	65	VirtualSpace* v)
aoqi@0	66	: _virtual_space(v) {
aoqi@0	67	assert(v != NULL, "don't call this constructor if v == NULL");
aoqi@0	68	initialize(name, ordinal, spaces,
aoqi@0	69	v->committed_size(), v->reserved_size(), v->committed_size());
aoqi@0	70	}
aoqi@0	71
aoqi@0	72	GenerationCounters::GenerationCounters(const char* name,
aoqi@0	73	int ordinal, int spaces,
aoqi@0	74	size_t min_capacity, size_t max_capacity,
aoqi@0	75	size_t curr_capacity)
aoqi@0	76	: _virtual_space(NULL) {
aoqi@0	77	initialize(name, ordinal, spaces, min_capacity, max_capacity, curr_capacity);
aoqi@0	78	}
aoqi@0	79
aoqi@0	80	void GenerationCounters::update_all() {
aoqi@0	81	assert(_virtual_space != NULL, "otherwise, override this method");
aoqi@0	82	_current_size->set_value(_virtual_space->committed_size());
aoqi@0	83	}