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src/share/vm/memory/specialized_oop_closures.cpp@7ae4e26cb1e0 (annotated)

src/share/vm/memory/specialized_oop_closures.cpp

Thu, 12 Oct 2017 21:27:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 21:27:07 +0800

changeset 7535

7ae4e26cb1e0

parent 6876

710a3c8b516e

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2001, 2010, 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 "memory/specialized_oop_closures.hpp"
aoqi@0	27	#include "utilities/ostream.hpp"
aoqi@0	28
aoqi@0	29	// For keeping stats on effectiveness.
aoqi@0	30	#ifndef PRODUCT
aoqi@0	31	#if ENABLE_SPECIALIZATION_STATS
aoqi@0	32
aoqi@0	33	int SpecializationStats::_numCallsAll;
aoqi@0	34
aoqi@0	35	int SpecializationStats::_numCallsTotal[NUM_Kinds];
aoqi@0	36	int SpecializationStats::_numCalls_nv[NUM_Kinds];
aoqi@0	37
aoqi@0	38	int SpecializationStats::_numDoOopCallsTotal[NUM_Kinds];
aoqi@0	39	int SpecializationStats::_numDoOopCalls_nv[NUM_Kinds];
aoqi@0	40
aoqi@0	41	void SpecializationStats::clear() {
aoqi@0	42	_numCallsAll = 0;
aoqi@0	43	for (int k = ik; k < NUM_Kinds; k++) {
aoqi@0	44	_numCallsTotal[k] = 0;
aoqi@0	45	_numCalls_nv[k] = 0;
aoqi@0	46
aoqi@0	47	_numDoOopCallsTotal[k] = 0;
aoqi@0	48	_numDoOopCalls_nv[k] = 0;
aoqi@0	49	}
aoqi@0	50	}
aoqi@0	51
aoqi@0	52	void SpecializationStats::print() {
aoqi@0	53	const char* header_format = " %20s %10s %11s %10s";
aoqi@0	54	const char* line_format = " %20s %10d %11d %9.2f%%";
aoqi@0	55	int all_numCallsTotal =
aoqi@0	56	_numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa];
aoqi@0	57	int all_numCalls_nv =
aoqi@0	58	_numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa];
aoqi@0	59	gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).",
aoqi@0	60	_numCallsAll, all_numCallsTotal,
aoqi@0	61	100.0 * (float)all_numCallsTotal / (float)_numCallsAll);
aoqi@0	62	// irk calls are double-counted.
aoqi@0	63	int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk];
aoqi@0	64	int real_ik_numCalls_nv = _numCalls_nv[ik] - _numCalls_nv[irk];
aoqi@0	65	gclog_or_tty->print_cr("");
aoqi@0	66	gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct");
aoqi@0	67	gclog_or_tty->print_cr(header_format,
aoqi@0	68	"----------",
aoqi@0	69	"----------",
aoqi@0	70	"-----------",
aoqi@0	71	"----------");
aoqi@0	72	gclog_or_tty->print_cr(line_format, "all",
aoqi@0	73	all_numCallsTotal,
aoqi@0	74	all_numCalls_nv,
aoqi@0	75	100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal);
aoqi@0	76	gclog_or_tty->print_cr(line_format, "ik",
aoqi@0	77	real_ik_numCallsTotal, real_ik_numCalls_nv,
aoqi@0	78	100.0 * (float)real_ik_numCalls_nv /
aoqi@0	79	(float)real_ik_numCallsTotal);
aoqi@0	80	gclog_or_tty->print_cr(line_format, "irk",
aoqi@0	81	_numCallsTotal[irk], _numCalls_nv[irk],
aoqi@0	82	100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]);
aoqi@0	83	gclog_or_tty->print_cr(line_format, "oa",
aoqi@0	84	_numCallsTotal[oa], _numCalls_nv[oa],
aoqi@0	85	100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]);
aoqi@0	86
aoqi@0	87
aoqi@0	88	gclog_or_tty->print_cr("");
aoqi@0	89	gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct");
aoqi@0	90	gclog_or_tty->print_cr(header_format,
aoqi@0	91	"----------",
aoqi@0	92	"----------",
aoqi@0	93	"-----------",
aoqi@0	94	"----------");
aoqi@0	95	int all_numDoOopCallsTotal =
aoqi@0	96	_numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa];
aoqi@0	97	int all_numDoOopCalls_nv =
aoqi@0	98	_numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa];
aoqi@0	99	gclog_or_tty->print_cr(line_format, "all",
aoqi@0	100	all_numDoOopCallsTotal, all_numDoOopCalls_nv,
aoqi@0	101	100.0 * (float)all_numDoOopCalls_nv /
aoqi@0	102	(float)all_numDoOopCallsTotal);
aoqi@0	103	const char* kind_names[] = { "ik", "irk", "oa" };
aoqi@0	104	for (int k = ik; k < NUM_Kinds; k++) {
aoqi@0	105	gclog_or_tty->print_cr(line_format, kind_names[k],
aoqi@0	106	_numDoOopCallsTotal[k], _numDoOopCalls_nv[k],
aoqi@0	107	(_numDoOopCallsTotal[k] > 0 ?
aoqi@0	108	100.0 * (float)_numDoOopCalls_nv[k] /
aoqi@0	109	(float)_numDoOopCallsTotal[k]
aoqi@0	110	: 0.0));
aoqi@0	111	}
aoqi@0	112	}
aoqi@0	113
aoqi@0	114	#endif // ENABLE_SPECIALIZATION_STATS
aoqi@0	115	#endif // !PRODUCT