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src/share/vm/gc_implementation/g1/g1ErgoVerbose.cpp@a248d0be1309 (annotated)

src/share/vm/gc_implementation/g1/g1ErgoVerbose.cpp

Mon, 19 Aug 2019 10:11:31 +0200

author

neugens

date

Mon, 19 Aug 2019 10:11:31 +0200

changeset 9861

a248d0be1309

parent 3337

41406797186b

child 6876

710a3c8b516e

permissions

-rw-r--r--

8229401: Fix JFR code cache test failures
8223689: Add JFR Thread Sampling Support
8223690: Add JFR BiasedLock Event Support
8223691: Add JFR G1 Region Type Change Event Support
8223692: Add JFR G1 Heap Summary Event Support
Summary: Backport JFR from JDK11, additional fixes
Reviewed-by: neugens, apetushkov
Contributed-by: denghui.ddh@alibaba-inc.com

tonyp@3114	1	/*
tonyp@3114	2	* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
tonyp@3114	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
tonyp@3114	4	*
tonyp@3114	5	* This code is free software; you can redistribute it and/or modify it
tonyp@3114	6	* under the terms of the GNU General Public License version 2 only, as
tonyp@3114	7	* published by the Free Software Foundation.
tonyp@3114	8	*
tonyp@3114	9	* This code is distributed in the hope that it will be useful, but WITHOUT
tonyp@3114	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
tonyp@3114	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
tonyp@3114	12	* version 2 for more details (a copy is included in the LICENSE file that
tonyp@3114	13	* accompanied this code).
tonyp@3114	14	*
tonyp@3114	15	* You should have received a copy of the GNU General Public License version
tonyp@3114	16	* 2 along with this work; if not, write to the Free Software Foundation,
tonyp@3114	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
tonyp@3114	18	*
tonyp@3114	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
tonyp@3114	20	* or visit www.oracle.com if you need additional information or have any
tonyp@3114	21	* questions.
tonyp@3114	22	*
tonyp@3114	23	*/
tonyp@3114	24
tonyp@3114	25	#include "precompiled.hpp"
tonyp@3114	26	#include "gc_implementation/g1/g1ErgoVerbose.hpp"
tonyp@3114	27	#include "utilities/ostream.hpp"
tonyp@3114	28
tonyp@3114	29	ErgoLevel G1ErgoVerbose::_level;
tonyp@3114	30	bool G1ErgoVerbose::_enabled[ErgoHeuristicNum];
tonyp@3114	31
tonyp@3114	32	void G1ErgoVerbose::initialize() {
tonyp@3114	33	set_level(ErgoLow);
tonyp@3114	34	set_enabled(false);
tonyp@3114	35	}
tonyp@3114	36
tonyp@3114	37	void G1ErgoVerbose::set_level(ErgoLevel level) {
tonyp@3114	38	_level = level;
tonyp@3114	39	}
tonyp@3114	40
tonyp@3114	41	void G1ErgoVerbose::set_enabled(ErgoHeuristic n, bool enabled) {
tonyp@3114	42	assert(0 <= n && n < ErgoHeuristicNum, "pre-condition");
tonyp@3114	43	_enabled[n] = enabled;
tonyp@3114	44	}
tonyp@3114	45
tonyp@3114	46	void G1ErgoVerbose::set_enabled(bool enabled) {
tonyp@3114	47	for (int n = 0; n < ErgoHeuristicNum; n += 1) {
tonyp@3114	48	set_enabled((ErgoHeuristic) n, enabled);
tonyp@3114	49	}
tonyp@3114	50	}
tonyp@3114	51
tonyp@3114	52	const char* G1ErgoVerbose::to_string(int tag) {
tonyp@3114	53	ErgoHeuristic n = extract_heuristic(tag);
tonyp@3114	54	switch (n) {
tonyp@3337	55	case ErgoHeapSizing: return "Heap Sizing";
tonyp@3337	56	case ErgoCSetConstruction: return "CSet Construction";
tonyp@3337	57	case ErgoConcCycles: return "Concurrent Cycles";
tonyp@3337	58	case ErgoMixedGCs: return "Mixed GCs";
tonyp@3114	59	default:
tonyp@3114	60	ShouldNotReachHere();
tonyp@3114	61	// Keep the Windows compiler happy
tonyp@3114	62	return NULL;
tonyp@3114	63	}
tonyp@3114	64	}