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view src/share/vm/compiler/compileLog.hpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
---|---|
date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | 813f26e34135 |
children | de6a9e811145 |
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/* * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_COMPILER_COMPILELOG_HPP #define SHARE_VM_COMPILER_COMPILELOG_HPP #include "utilities/xmlstream.hpp" class ciBaseObject; class ciObject; class ciMetadata; class ciSymbol; // CompileLog // // An open stream for logging information about activities in a // compiler thread. There is exactly one per CompilerThread, // if the +LogCompilation switch is enabled. class CompileLog : public xmlStream { private: const char* _file; // name of file where XML goes julong _file_end; // last good end of file intx _thread_id; // which compile thread stringStream _context; // optional, killable context marker char _context_buffer[100]; char* _identities; // array of boolean int _identities_limit; int _identities_capacity; CompileLog* _next; // static chain of all logs static CompileLog* _first; // head of static chain void va_tag(bool push, const char* format, va_list ap); public: CompileLog(const char* file_name, FILE* fp, intx thread_id); ~CompileLog(); intx thread_id() { return _thread_id; } const char* file() { return _file; } // Optional context marker, to help place actions that occur during // parsing. If there is no log output until the next context string // or reset, context string will be silently ignored stringStream* context() { return &_context; } void clear_context() { context()->reset(); } void set_context(const char* format, ...); void name(ciSymbol* s); // name='s' void name(Symbol* s) { xmlStream::name(s); } // Output an object description, return obj->ident(). int identify(ciBaseObject* obj); void clear_identities(); void inline_fail (const char* reason); void inline_success(const char* reason); // virtuals virtual void see_tag(const char* tag, bool push); virtual void pop_tag(const char* tag); // make a provisional end of log mark void mark_file_end() { _file_end = out()->count(); } // Print code cache statistics void code_cache_state(); // copy all logs to the given stream static void finish_log(outputStream* out); static void finish_log_on_error(outputStream* out, char *buf, int buflen); }; #endif // SHARE_VM_COMPILER_COMPILELOG_HPP