Mercurial > hg > truffle
view src/share/vm/services/heapDumper.hpp @ 1208:cef333a48af6
6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly
Summary: Print "made not compilable" line only for deoptimizations.
Reviewed-by: never
author | kvn |
---|---|
date | Wed, 03 Feb 2010 15:03:22 -0800 |
parents | c6c601a0f2d6 |
children | c18cbe5936b8 |
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/* * Copyright 2005-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // HeapDumper is used to dump the java heap to file in HPROF binary format: // // { HeapDumper dumper(true /* full GC before heap dump */); // if (dumper.dump("/export/java.hprof")) { // ResourceMark rm; // tty->print_cr("Dump failed: %s", dumper.error_as_C_string()); // } else { // // dump succeeded // } // } // class HeapDumper : public StackObj { private: char* _error; bool _print_to_tty; bool _gc_before_heap_dump; elapsedTimer _t; // string representation of error char* error() const { return _error; } void set_error(char* error); // indicates if progress messages can be sent to tty bool print_to_tty() const { return _print_to_tty; } // internal timer. elapsedTimer* timer() { return &_t; } public: HeapDumper(bool gc_before_heap_dump) : _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(false) { } HeapDumper(bool gc_before_heap_dump, bool print_to_tty) : _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(print_to_tty) { } ~HeapDumper(); // dumps the heap to the specified file, returns 0 if success. int dump(const char* path); // returns error message (resource allocated), or NULL if no error char* error_as_C_string() const; static void dump_heap() KERNEL_RETURN; };