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src/share/vm/memory/specialized_oop_closures.cpp@4788266644c1 (annotated)

src/share/vm/memory/specialized_oop_closures.cpp

Thu, 21 Jan 2010 11:33:32 -0800

author

jmasa

date

Thu, 21 Jan 2010 11:33:32 -0800

changeset 1625

4788266644c1

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6895236: CMS: cmsOopClosures.inline.hpp:43 assert(..., "Should remember klasses in this context")
Summary: Adjust assertion checking for ExplicitGCInvokesConcurrentAndUnloadsClasses as a reason for class unloading
Reviewed-by: ysr

duke@435	1	/*
duke@435	2	* Copyright 2001-2003 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	# include "incls/_precompiled.incl"
duke@435	26	# include "incls/_specialized_oop_closures.cpp.incl"
duke@435	27
duke@435	28	// For keeping stats on effectiveness.
duke@435	29	#ifndef PRODUCT
duke@435	30	#if ENABLE_SPECIALIZATION_STATS
duke@435	31
duke@435	32	int SpecializationStats::_numCallsAll;
duke@435	33
duke@435	34	int SpecializationStats::_numCallsTotal[NUM_Kinds];
duke@435	35	int SpecializationStats::_numCalls_nv[NUM_Kinds];
duke@435	36
duke@435	37	int SpecializationStats::_numDoOopCallsTotal[NUM_Kinds];
duke@435	38	int SpecializationStats::_numDoOopCalls_nv[NUM_Kinds];
duke@435	39
duke@435	40	void SpecializationStats::clear() {
duke@435	41	_numCallsAll = 0;
duke@435	42	for (int k = ik; k < NUM_Kinds; k++) {
duke@435	43	_numCallsTotal[k] = 0;
duke@435	44	_numCalls_nv[k] = 0;
duke@435	45
duke@435	46	_numDoOopCallsTotal[k] = 0;
duke@435	47	_numDoOopCalls_nv[k] = 0;
duke@435	48	}
duke@435	49	}
duke@435	50
duke@435	51	void SpecializationStats::print() {
duke@435	52	const char* header_format = " %20s %10s %11s %10s";
duke@435	53	const char* line_format = " %20s %10d %11d %9.2f%%";
duke@435	54	int all_numCallsTotal =
duke@435	55	_numCallsTotal[ik] + _numCallsTotal[irk] + _numCallsTotal[oa];
duke@435	56	int all_numCalls_nv =
duke@435	57	_numCalls_nv[ik] + _numCalls_nv[irk] + _numCalls_nv[oa];
duke@435	58	gclog_or_tty->print_cr("\nOf %d oop_oop_iterate calls %d (%6.3f%%) are in (ik, irk, oa).",
duke@435	59	_numCallsAll, all_numCallsTotal,
duke@435	60	100.0 * (float)all_numCallsTotal / (float)_numCallsAll);
duke@435	61	// irk calls are double-counted.
duke@435	62	int real_ik_numCallsTotal = _numCallsTotal[ik] - _numCallsTotal[irk];
duke@435	63	int real_ik_numCalls_nv = _numCalls_nv[ik] - _numCalls_nv[irk];
duke@435	64	gclog_or_tty->print_cr("");
duke@435	65	gclog_or_tty->print_cr(header_format, "oop_oop_iterate:", "calls", "non-virtual", "pct");
duke@435	66	gclog_or_tty->print_cr(header_format,
duke@435	67	"----------",
duke@435	68	"----------",
duke@435	69	"-----------",
duke@435	70	"----------");
duke@435	71	gclog_or_tty->print_cr(line_format, "all",
duke@435	72	all_numCallsTotal,
duke@435	73	all_numCalls_nv,
duke@435	74	100.0 * (float)all_numCalls_nv / (float)all_numCallsTotal);
duke@435	75	gclog_or_tty->print_cr(line_format, "ik",
duke@435	76	real_ik_numCallsTotal, real_ik_numCalls_nv,
duke@435	77	100.0 * (float)real_ik_numCalls_nv /
duke@435	78	(float)real_ik_numCallsTotal);
duke@435	79	gclog_or_tty->print_cr(line_format, "irk",
duke@435	80	_numCallsTotal[irk], _numCalls_nv[irk],
duke@435	81	100.0 * (float)_numCalls_nv[irk] / (float)_numCallsTotal[irk]);
duke@435	82	gclog_or_tty->print_cr(line_format, "oa",
duke@435	83	_numCallsTotal[oa], _numCalls_nv[oa],
duke@435	84	100.0 * (float)_numCalls_nv[oa] / (float)_numCallsTotal[oa]);
duke@435	85
duke@435	86
duke@435	87	gclog_or_tty->print_cr("");
duke@435	88	gclog_or_tty->print_cr(header_format, "do_oop:", "calls", "non-virtual", "pct");
duke@435	89	gclog_or_tty->print_cr(header_format,
duke@435	90	"----------",
duke@435	91	"----------",
duke@435	92	"-----------",
duke@435	93	"----------");
duke@435	94	int all_numDoOopCallsTotal =
duke@435	95	_numDoOopCallsTotal[ik] + _numDoOopCallsTotal[irk] + _numDoOopCallsTotal[oa];
duke@435	96	int all_numDoOopCalls_nv =
duke@435	97	_numDoOopCalls_nv[ik] + _numDoOopCalls_nv[irk] + _numDoOopCalls_nv[oa];
duke@435	98	gclog_or_tty->print_cr(line_format, "all",
duke@435	99	all_numDoOopCallsTotal, all_numDoOopCalls_nv,
duke@435	100	100.0 * (float)all_numDoOopCalls_nv /
duke@435	101	(float)all_numDoOopCallsTotal);
duke@435	102	const char* kind_names[] = { "ik", "irk", "oa" };
duke@435	103	for (int k = ik; k < NUM_Kinds; k++) {
duke@435	104	gclog_or_tty->print_cr(line_format, kind_names[k],
duke@435	105	_numDoOopCallsTotal[k], _numDoOopCalls_nv[k],
duke@435	106	(_numDoOopCallsTotal[k] > 0 ?
duke@435	107	100.0 * (float)_numDoOopCalls_nv[k] /
duke@435	108	(float)_numDoOopCallsTotal[k]
duke@435	109	: 0.0));
duke@435	110	}
duke@435	111	}
duke@435	112
duke@435	113	#endif // ENABLE_SPECIALIZATION_STATS
duke@435	114	#endif // !PRODUCT