Mercurial > hg > graal-compiler
diff src/share/vm/interpreter/invocationCounter.hpp @ 6972:bd7a7ce2e264
6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com
| author | minqi |
|---|---|
| date | Mon, 12 Nov 2012 14:03:53 -0800 |
| parents | f95d63e2154a |
| children | a9311ec68721 abe03600372a |
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--- a/src/share/vm/interpreter/invocationCounter.hpp Fri Nov 09 08:36:17 2012 -0800 +++ b/src/share/vm/interpreter/invocationCounter.hpp Mon Nov 12 14:03:53 2012 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 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 @@ -40,6 +40,7 @@ class InvocationCounter VALUE_OBJ_CLASS_SPEC { friend class VMStructs; + friend class ciReplay; private: // bit no: |31 3| 2 | 1 0 | unsigned int _counter; // format: [count|carry|state] @@ -85,6 +86,8 @@ void set_carry(); // set the sticky carry bit void set_carry_flag() { _counter |= carry_mask; } + int raw_counter() { return _counter; } + // Accessors State state() const { return (State)(_counter & state_mask); } bool carry() const { return (_counter & carry_mask) != 0; }