6667610: (Escape Analysis) retry compilation without EA if it fails
Summary: During split unique types EA could exceed nodes limit and fail the method compilation.
Reviewed-by: rasbold
/*
* 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
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*/
// 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;
};