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src/share/vm/gc_implementation/g1/g1Log.cpp@a248d0be1309 (annotated)

src/share/vm/gc_implementation/g1/g1Log.cpp

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

author

neugens

date

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

changeset 9861

a248d0be1309

parent 0

f90c822e73f8

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

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 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/g1/g1_globals.hpp"
aoqi@0	27	#include "gc_implementation/g1/g1Log.hpp"
aoqi@0	28	#include "runtime/globals.hpp"
aoqi@0	29
aoqi@0	30	G1Log::LogLevel G1Log::_level = G1Log::LevelNone;
aoqi@0	31
aoqi@0	32	// If G1LogLevel has not been set up we will use the values of PrintGC
aoqi@0	33	// and PrintGCDetails for the logging level.
aoqi@0	34	// - PrintGC maps to "fine".
aoqi@0	35	// - PrintGCDetails maps to "finer".
aoqi@0	36	void G1Log::init() {
aoqi@0	37	if (G1LogLevel != NULL && G1LogLevel[0] != '\0') {
aoqi@0	38	if (strncmp("none", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') {
aoqi@0	39	_level = LevelNone;
aoqi@0	40	} else if (strncmp("fine", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') {
aoqi@0	41	_level = LevelFine;
aoqi@0	42	} else if (strncmp("finer", G1LogLevel, 5) == 0 && G1LogLevel[5] == '\0') {
aoqi@0	43	_level = LevelFiner;
aoqi@0	44	} else if (strncmp("finest", G1LogLevel, 6) == 0 && G1LogLevel[6] == '\0') {
aoqi@0	45	_level = LevelFinest;
aoqi@0	46	} else {
aoqi@0	47	warning("Unknown logging level '%s', should be one of 'fine', 'finer' or 'finest'.", G1LogLevel);
aoqi@0	48	}
aoqi@0	49	} else {
aoqi@0	50	if (PrintGCDetails) {
aoqi@0	51	_level = LevelFiner;
aoqi@0	52	} else if (PrintGC) {
aoqi@0	53	_level = LevelFine;
aoqi@0	54	}
aoqi@0	55	}
aoqi@0	56	}