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src/share/vm/compiler/compileLog.hpp@9deda4d8e126 (annotated)

src/share/vm/compiler/compileLog.hpp

Mon, 14 Jan 2013 13:52:08 -0500

author

vladidan

date

Mon, 14 Jan 2013 13:52:08 -0500

changeset 4438

9deda4d8e126

parent 4154

c3e799c37717

child 5226

813f26e34135

permissions

-rw-r--r--

8005204: Code Cache Reduction: command line options implementation
Summary: Adding more detailed output on CodeCache usage
Reviewed-by: kvn, vladidan
Contributed-by: Alexander Harlap <alexander.harlap@oracle.com>

duke@435	1	/*
coleenp@4037	2	* Copyright (c) 2002, 2012, Oracle and/or its affiliates. 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	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_COMPILER_COMPILELOG_HPP
stefank@2314	26	#define SHARE_VM_COMPILER_COMPILELOG_HPP
stefank@2314	27
stefank@2314	28	#include "utilities/xmlstream.hpp"
stefank@2314	29
coleenp@4037	30	class ciBaseObject;
duke@435	31	class ciObject;
coleenp@4037	32	class ciMetadata;
duke@435	33	class ciSymbol;
duke@435	34
duke@435	35	// CompileLog
duke@435	36	//
duke@435	37	// An open stream for logging information about activities in a
duke@435	38	// compiler thread. There is exactly one per CompilerThread,
duke@435	39	// if the +LogCompilation switch is enabled.
duke@435	40	class CompileLog : public xmlStream {
duke@435	41	private:
duke@435	42	const char* _file; // name of file where XML goes
duke@435	43	julong _file_end; // last good end of file
duke@435	44	intx _thread_id; // which compile thread
duke@435	45
duke@435	46	stringStream _context; // optional, killable context marker
duke@435	47	char _context_buffer[100];
duke@435	48
duke@435	49	char* _identities; // array of boolean
duke@435	50	int _identities_limit;
duke@435	51	int _identities_capacity;
duke@435	52
duke@435	53	CompileLog* _next; // static chain of all logs
duke@435	54
duke@435	55	static CompileLog* _first; // head of static chain
duke@435	56
duke@435	57	void va_tag(bool push, const char* format, va_list ap);
duke@435	58
duke@435	59	public:
duke@435	60	CompileLog(const char* file, FILE* fp, intx thread_id);
duke@435	61	~CompileLog();
duke@435	62
duke@435	63	intx thread_id() { return _thread_id; }
duke@435	64	const char* file() { return _file; }
vlivanov@4154	65
vlivanov@4154	66	// Optional context marker, to help place actions that occur during
vlivanov@4154	67	// parsing. If there is no log output until the next context string
vlivanov@4154	68	// or reset, context string will be silently ignored
duke@435	69	stringStream* context() { return &_context; }
vlivanov@4154	70	void clear_context() { context()->reset(); }
vlivanov@4154	71	void set_context(const char* format, ...);
duke@435	72
duke@435	73	void name(ciSymbol* s); // name='s'
coleenp@2497	74	void name(Symbol* s) { xmlStream::name(s); }
duke@435	75
duke@435	76	// Output an object description, return obj->ident().
coleenp@4037	77	int identify(ciBaseObject* obj);
duke@435	78	void clear_identities();
duke@435	79
vlivanov@4154	80	void inline_fail (const char* reason);
vlivanov@4154	81	void inline_success(const char* reason);
vlivanov@4154	82
duke@435	83	// virtuals
duke@435	84	virtual void see_tag(const char* tag, bool push);
duke@435	85	virtual void pop_tag(const char* tag);
duke@435	86
duke@435	87	// make a provisional end of log mark
duke@435	88	void mark_file_end() { _file_end = out()->count(); }
duke@435	89
vlivanov@4154	90	// Print code cache statistics
vlivanov@4154	91	void code_cache_state();
vlivanov@4154	92
duke@435	93	// copy all logs to the given stream
duke@435	94	static void finish_log(outputStream* out);
duke@435	95	static void finish_log_on_error(outputStream* out, char *buf, int buflen);
duke@435	96	};
stefank@2314	97
stefank@2314	98	#endif // SHARE_VM_COMPILER_COMPILELOG_HPP